Kitchen electrical appliance with electric or electronic interlock

FIELD: personal use articles.

SUBSTANCE: invention relates to kitchen hand appliance with electric drive. Hand mixer with switch provides an electric interlock controlled with the help of fingers. Method is also stated on how to switch kitchen appliance on/off, when switch is unlocked, as safety switch is actuated with the help of user finger. Safety switch makes switching electronically.

EFFECT: invention, due to manual control of two separate switches, reduces possibility of unpremeditated switching of kitchen electrical appliance, which considerably improves safety of electrically driven kitchen appliance operation in housekeeping.

14 cl, 9 dwg

 

The technical field

The invention relates to a kitchen appliance, in particular to a handheld electrical device, preferably to a handheld mixer with switch and also to a method for switching on and off of the kitchen device.

The level of technology

From patent document DE 4220233 known household appliance for processing food products, having an electric motor and an electric battery, while the battery is charging because the appliance is installed in the charger.

A disadvantage of the known kitchen appliance is a certain danger that the kitchen appliance is switched on at random and unintended effects on the switch. This problem is particularly true for hand mixers, having on his head rotating in the open space of the cutting knife or rotary mixer for mashing. These sharp knives from functional considerations cannot be closed by the protective cover. As a result of unintentional impacts on the switch the cutting blades can cause injury to the user manual of the mixer.

Disclosure of inventions

Therefore, the present invention is the creation of a kitchen appliance that is less danger of injury, as well as how to ensure reliable switching on and off uhanova device.

This problem is solved kitchen appliance according to the invention, and by way of switching on and off of the kitchen appliance, as specified in the independent claims. Further preferred variants, each of which can be used both separately and in any combination with other options, are subject of the respective dependent claims.

Kitchen appliance, in particular a handheld appliance, preferably hand mixer, switch has an electrical interlock for circuit breaker with the ability to control it using your finger.

Due to the electrical lock switch is locked, meaning you can not triggered until the lock is released. In order to operate the kitchen appliance, the user must first disable or remove the lock and then turn on the kitchen appliance. The ability to control using finger means that the lock is suitable and intended for operation from the user's finger. For this in particular includes a switch that is pressed by the finger. Such kitchen appliances as, for example, universal kitchen machines, stationary mixers, universal grinders, hand mixers, hand-held device for mixing or devices is for cutting multi-purpose, unlike thermal kitchen appliances, such as automatic and semi-automatic machines for coffee or espresso, toasters, devices for boiling eggs, immersion heaters for water, fryers, waffle machines, grills contact type, table or street performance, irons or pressure cookers, to achieve certain desired effects using the motor. This kitchen appliance has, in particular, rotating knife and/or cutting device.

The locking device has, in particular, safety switch, separate from the main switch of the device. The circuit breaker is manually operated. It is suitable and intended to be ruled by the user of the cooking device. Safety switch installed, in particular, to deepen, to hinder unintentional actuation of the safety switch, for example, pressing the palm of his hand. This prevents, for example, the inclusion of the hand mixer with the child at the simple push with the palm of the fuse and main switch.

Safety switch, in particular, has been removed from the main switch at a distance of less than 4 cm, in particular at a distance of less than 3 cm, preferably less than 2 cm, while it is activated, in particular, the same hand of the user, and that the main vykluchatel is.

Essential to press the distance between the switch and the safety switch is in particular at least 0.5 cm, in particular at least 0.8 cm, preferably at least 1.2 cm and, in particular, less than 4 cm, in particular less than 3 cm, preferably less than 2.5 see Significant for pressing distance means that for effective operation of the touch points of the switches should defend each other at this distance. Due to the presence of the minimum distances provided the inability to use the safety switch and the main switch simultaneously with one finger, thereby reducing the likelihood of improper functioning of the lock. Safety switch is performed, in particular, in the form of a manual switch.

To lock preferably includes a switching circuit with a time delay, whereby the main switch is unlocked only after long period of continuous pressing of the safety switch. The circuit for the time delay further increases the reliability of the electric lock. In particular, it increases the safety of operation in a family where there are children.

The time delay is at least 0.1 sec, in particular at least 0.2 seconds, the pre is respectfully at least 0.3 seconds. Only after the safety switch is held depressed, for example, within 0.2 sec, the main switch is activated.

With special design lock has a switching circuit with a time delay after continuous pressing of the safety switch the main switch is released at a pre-specified period of time. In other words, after a certain period of time after the actuation of the safety switch button on/off first unlocked and then locked. This allows operation of the main switch only within a predetermined time interval after activation of the safety switch. It also increases the reliability of the kitchen device. The duration of the time interval ranges from 0.3 to 2 seconds, in particular from 0.5 to 1 sec.

In one of the preferred variants provide another electrical management tool, in particular an electric multi-position switch to set the level of electrical power kitchen appliance, however, in particular, what is the management tool combined with the main switch and connected with him. With this tool justices who placed the power level cooking appliance can be chosen freely, in particular continuously, preferably in the range from 100 to 900 Watts, in particular in the range from 150 to 400 Watts.

Safety switch remains on, preferably only during the period while it is involved, in particular pressed, and at other times will shut down again. This ensures that the kitchen appliance is actuated only when at least a certain period of time together and at the same time involved, in particular pressed, and the safety switch and the main switch.

Way to enable/disable the kitchen device according to the invention, in particular a handheld electrical device, preferably hand mixer, which has a main switch and a separate safety switch and the main switch is unlocked, when used safety switch, provides that the circuit breaker is controlled by the finger and is activated by electric. The control finger means that the safety switch is activated by the user's finger. For this purpose a safety switch, in particular in the form of a push-button, toggle or rotary switch for one finger.

The main switch is unlocked preferably when the n is actuated only after actuation of the safety switch, in particular, the time delay of a duration of at least 0.1 sec, in particular at least 0.2 seconds, preferably at least 0.3 seconds. In a special embodiment, the unlocking is only effective within a predetermined time interval from 0.3 to 2 seconds, in particular from 0.5 to 1 sec. Preferably unlock the main switch, it is possible while retaining the safety switch and in a special embodiment, the main switch made after unlock remains in the on position when the circuit breaker is no longer supported.

A brief commentary on drawings

Further preferred details and special options are explained in more detail on the basis of the following drawings, which do not limit the present invention but merely illustrate it with examples.

They schematically shown:

figure 1: kitchen appliance according to the invention, executed in the form of a manual mixer, shown at the top in the axonometric image;

figure 2: hand mixer according to figure 1 in an exploded axonometric image;

figure 3: kitchen appliance according to the invention in accordance with figure 1, with charger, axonometric image in perspective, top and side;

figure 4: whinny device and the charging device according to figure 3, another axonometric image in bottom view and side view;

figure 5: kitchen appliance according to the invention according to figure 1, a side view, and kitchen appliance is installed on the charging device shown in cross section;

6: hand mixer according to the invention according to figure 1 with the lid open housing and partially cut edge, a side view in axonometric image;

Fig.7: hand mixer in accordance with 6 closed clamping cap;

Fig: charger station according to the invention in accordance with figure 4, a side view, partially cut case charger;

Fig.9: kitchen appliance with a charger in accordance with figure 3, the axonometric image in perspective, top and side.

The implementation of the invention

Figure 1 shows a kitchen appliance 1 according to the invention, made in the form of a manual mixer 2. On the hand mixer 2 is mounted with a bayonet shutter 72 tool 17, made in the form of a device for cutting or mashing. The tool 17 has a head 46 of the tool, equipped with knives or mixing elements (not shown). Hand mixer 2 has a housing 5 with the first Cup 56 of the housing clamping cover 63 of the housing made in the form of elastic clamping element 61, and a second Cup 57 of the housing (the m 2). The charge indicator 27 indicates, is hand mixer 2 for operation, in particular, whether it was charged. Using the main switch 67 hand mixer 2 is driven. The main switch 67 effective, however, only when he unlocked the safety switch 69. Thanks to separate from the main switch 67 to the safety switch 69 is an electric lock which unlocks or releases the main switch 67 only with a time delay after actuation of the safety switch 69. Thereby it is guaranteed that the hand mixer 2 will not be powered unintentionally, due to this, also particularly increased safety in the home when children are present.

Figure 2 shows the hand mixer 2 according to the invention, in an exploded axonometric image, with the housing 5, which is formed of the first Cup 56 of the housing, the second Cup 57 of the housing and the clamping cover 63 of the housing. The housing 5 includes a motor 47, the control electronics 51 on the circuit Board 78 and the battery 6. The motor 47, Board 78 with the control electronics 51 and the battery 6 are pre-mounted on the bearing element 48. The motor 47 and the battery 6 is fixed on the plug-in block 5 of the support element 48. Bearing element 48 is connected to the housing 5 without glue and without screw the century For this bearing element 48 has locking elements 49, 74, with which he recorded on the relevant contrairement 50 on the housing 5, for example, by snapping. The control electronics unit 51 is fixed with the first stoppers 52. The electric switch 67, 69, the main switch 67 and safety switch 69 is also fixed to the support element 48 with the second stoppers 53. The motor 47 and the battery 6 is fixed to the support element 48. Pre-preparation of installation and non-threaded connection of the individual components making hand mixer 2 is greatly simplified and reduced the price. Both cups 56, 57 of the body are interconnected without gaps along the groove 58 of the housing or crest 59 of the housing along the first connecting line 64, formed by the edges 66 of both cups 56, 57 of the housing. The clamping cover 63 of the casing are connected, essentially without gaps along the second connecting line 65 with both cups 56, 57 of the housing. The clamping cover 63 of the housing serves as a clamping element 61, which connects with each other bowl 56, 57 of the housing by means of fixing means 60. The clamping element 61 engages the first Cup 56 of the housing in at least two separate locations 62 attachment and presses the first Cup 56 of the housing in both mounting locations 62 to the second bowl 57 of the housing. Bearing the element is provided with 48 motor 47 and the battery 6 is fixed in the cups 56, 57 housing by means of supports 54, i.e. without glue and screws. The battery 6 is provided a protective device 7, which protects the battery 6 from excessive pressure, the formation of metallic lithium on the electrode of the battery 6 or the formation of gas in the accumulator 6. In addition, the regulating device 26 with the sensor 25 temperature ensures that the battery 6 is protected against excessive temperature fluctuations, which can lead to (temporary or permanent) change in capacity of the battery 6. The regulating device 26 maintains the temperature of the battery 6 in the limit of the temperature range. Protective device 7 sets the maximum charge current or a maximum current discharge, which increases the reliability of the battery 6 based on lithium ions. Fee 78 secured with the first stoppers 52 on the bearing element 48. The main switch 67 and safety switch 69 is fixed on the circuit Board 78 by means of second stoppers 53. The first bowl 56 of the hull is in the area of the switches 67, 69 rubber membrane 89, deposited using a two-component method, which protects the underneath, the switches 67, 69. The main switch 67 is unlocked safety switch 69 by briefly actuating the safety switch 69 before the ass is being improved main switch 67. For this purpose the device 70 time delay, which allows unlocking only after a time delay equal to 0.3 sec. Safety switch 69 and the device 70 time delay form for hand mixer 2 electronic system 68 of the lock. The degree of charge of the battery 6 is shown with charge indicator 27. The charge indicator 27 has an led indicator 28 on the circuit Board 78, the light which is output to the outside through the light guide 73. Tool 17 (see figure 3) is connected with the hand mixer by means of bayonet shutter 72, and the rotor 75 of the motor 47 is connected to the shaft 76 (see figure 3) tool 17 without a possibility of rotation relative to the shaft. Both cups 56, 57 of the housing on the end of the hand mixer 2, which is directed to the instrument are connected to each other by means of threaded fasteners 55. To charge the battery 6 provides made in the form of elastic elements 22 sliding contacts 10, 11, each of which has a current collector 13, 14. Using both sliding contacts 10, 11 creates the electrical connection 9 for transferring electric power from the charger (see figure 3) on the hand mixer 2. Both of the current collector 13, 14 through inlets 19 are conducted through the wall 29 of the second bowl 47 of the housing.

Figure 3 shows the hand mixer 2 according to the invention in accordance with figure 2, with charger what tanzia 8 and the tool 17, in the axonometric image, top view and side view. The battery 6, driven them into action hand mixer 2 and the charger 8 to charge the battery 6 hand mixer 2 form a charging system 3, with the hand mixer 2 in the charging process of the battery 6 is in contact with the charging device 8 via electrical connection 9. By using the compound (9) the electric power is transmitted from the charger 8 on the hand mixer 2. Connection 9 permits manual rotation of the mixer 2 relative to the charging device 8, thus, the hand mixer 2 is inserted into the charger easily and accurately set the angle 12 of its rotation relative to the charger 8. Compound 9 has two sliding contacts 10, 11 with two current collectors 13, 14 and two slip rings 15, 16 and allows the angle of rotation over 360°. It is thereby possible a particularly simple connection manual mixer 2 with charger 8. The slip rings 15, 16 form an electrical contact surface 33 to the conductive contact of the battery 6 in the manual mixer 2 with charger 8. The charger 8 is connected by an electric connection with an external electrical circuit (not shown). Charger 9 forms a stand 4 for hand mixer 2 and can be fixed mounting surface 24 on the wall 30 (see Phi is .5) or lower edge 23 on the surface 31, for example on the kitchen counter.

In the stand 4 has a receiving device 18 for accommodation of the tool 17, which in the fixture 18 has a receiving tray 34 with wavy edges 35, adapted to the shape of the head 46 of the tool and its circuit 45 in such a way that ensures reliable retention of the tool 17 when it is installed in the receiving device 18. If the stand 4 is fixed on the wall 30 (see figure 5), it is possible suspension of the tool 17 in the receiving device 18 by introducing it available in all the receiving device 18 radial groove 36.

The charging device 8 has an electric wire with the possibility of connecting them to an external power supply (not shown). The mixer 2 and the tool 17 are fixed together by the bayonet catch 72 by rotation of about 120° around the longitudinal axis 20. The shaft 76 of the tool connects to the rotor 75 (see figure 2) of the motor 47. The power level of the mixer 2 is set by the controller 71. In particular, there is a choice between different speeds or power levels, for example, 100, 200 and 300 Watts. Multifunctional stand 17 to mixer 2 and the mixer 2 are set to 40, the most convenient to use the mixer 2. In particular, it is also possible to easily take the mixer 2 in your hand and use it without becausepalestine cable. After using the mixer 2 it is easily and quickly installed in the charger 8. Using the stand 4 mixer 2 and is placed on the surface 31, and is hung on a wall 30, for example on a wall of a kitchen or on a wall of a Cabinet.

Figure 4 mixer 2 according to the invention with the charging device 8 in accordance with Fig 3 shown in axonometric image, in the side view. The switch 67 and a blocking switch 69 are separated from each other by a distance D, essential for pressing. Materiality distance for pressing in this case means that the distance between the two fingers should be equal to D so that they could use both switches. This ensures the impossibility of accidental or inadvertent power mixer 2 with one finger. Charging system 3 has a first current collector 13 and the second current collector 14, each of which is separated from the longitudinal axis 20 by a distance corresponding to the radius R1, R2 of the respective contact rings 15, 16. Both the slip rings 15, 16 (see figure 3) made with the possibility of electrical connection with contact legs 77.

Stand 4 by means of the mounting plate 37 (see figure 5) is hung on the wall 30. Mounting plate 37 is mounted on the stand 4 by means of the groove 38 of the mounting plate. Due to the compound 9 can be rotated 360° hand mixer 2 insert aetsa in the charger 8 without the necessity of alignment of the mixer 2 relative to the charger 8. Using the guide surfaces 87, angled relative to the direction 88 mates, in which kitchen appliance 1 is inserted in the charger 8 and connected to it, the connection process of the kitchen appliance 1 with charger 8 is additionally facilitated. The guide surface 88 may take the form of a funnel. With guide surfaces 88 of the kitchen appliance 1 is brought to the proper position in the charger 8.

Figure 5 hand mixer 2 according to the invention is shown in side view, and the kitchen appliance 1 is installed in the charging device 8, shown in cross section. When this electrical connection 9 of the mixer 2 with the charger 8 is created using the first sliding contact 10 with the first current collector 13 and the first contact ring 15 and the second moving contact 11 with the second current collector 14 and the second contact ring 16. Each of the slip rings 15, 16 are contact legs 77, which have the possibility of electrical contact at the bottom. Both rings have mounting legs 21, which is attached to the charger hooks and thus provide a reliable fastening of both rings 15, 16. Stand 4 is set on the surface 31 (see figure 3) rubber feet 44. However, it can also screw a screw 33 to the wall 30 by using Antanas Board

17, which is attached to the base 4 by means of the groove 38 of the mounting plate and the ridge 39 of the circuit Board. Case 5 hand mixer 2 is connected via the second connecting line 65, available on both cups 56, 57 of the housing, with the cover 63.

Figure 6 shows the hand mixer 2 according to the invention according to figure 1 with open clamping cover 63 of the casing and partly cut out of the second bowl 57 of the housing. The clamping cover 63 of the housing forms a clamping element 61, which connects the first Cup 56 of the housing with the second Cup 57 of the housing so that along the first connecting line 64 is created, essentially without gaps connection between the two cups 56, 57 of the housing. For this purpose, the clamping cover 63 of the housing using a fourth coupling element 64 is engaged with the corresponding receiving element in the first bowl 56 of the body and the first connecting element 79 and the second connecting member 80 corresponding to the connecting protrusions 82 in two places 62 connection is attached to a corresponding connecting grooves 83. The fourth coupling element 84 is engaged with the receiving element 46 to cover the first Cup 56 of the housing. When the clamping cover 63 of the housing by means of the third coupling element 81 and a threaded connection 85 is connected with the second Cup 57 of the housing corresponding to the protrusions 82 p is Azimut first Cup 56 to the housing in both places 62 connection to the second bowl 57 of the housing. Thus, the connection of both cups 56, 57 of the body without a gap is provided even if the manufacturing tolerances of the dimensions along the first connecting line 64 (for example, inaccuracies groove 58 of the housing or crest 59 corps in the cups 56, 57 of the body) impede the closing of the cups 56, 57 of the housing with each other.

7 shows hand mixer 2 according to the invention in accordance with 6 closed clamping cover 63 of the housing in the axonometric image is partially cut out of the second bowl 57 of the housing. It is seen that the connecting protrusion 82 is included in the connection recess 83 and consequently presses together the two edges 66 of cups 56, 57 to the housing in both areas 62 of their composition.

On Fig shows the stand 4, made in the form of a charging device 8, which is partially cut from the receiving device 18 for the tool. On the supporting surface 23 of the stand there are 4 rubber feet 44. Stand 4 by means of the mounting plate 37 (see figure 5) is mounted on the wall 30. For this is the first longitudinal hole 41 and second longitudinal openings 42 through which is achieved by simple screwing to the wall 30. Longitudinal holes 41, 42 allow you to align the mounting plate 37 in the vertical and in the horizontal direction and thus makes possible a particularly simple and easy fixing stand 4 on the wall 30.

In Fig.9 hand mixer 2 with stand 4, made in the form of charging device 8, shown in axonometric image in angular perspective. Visible contact rings 15, 16 formed in the charger mounted on the stand 4 by means of fixing pins, which may have lead (not shown). The receiving device 18 has a wavy edge 35 adapted to the shape of the path 45 of the tool 17 so that the tool 17 is firmly held in the receiving device 18. Using radial groove 36 of the tool 17 is also suspended in the receiving device 18.

The following explains the various further aspects of the invention. Some aspects may be used separately, i.e. independently from each other, or in any combinations with one another:

Especially convenient kitchen appliance 1, does not depend on the electrical network has a lithium-ion battery 6 or lithium-polymer battery. The battery 6 has a specific capacity from 50 to 130 Ah/kg, in particular from 60 to 80 Ah/kg For the battery 6 is provided, in particular, the safety device 7, in particular, protective circuitry, and the safety device 7 prevents an excessive increase of pressure and has a dedicated outlet.

The safety device 7 may also have a temperature sensor 20 for ACC the battery 6. The safety device 7 is able to adjust the temperature of the battery 6. Preferably provides an electronic regulating device 26, which monitors the charging and discharging of the battery and, if necessary, limits the charge current or discharge. The maximum power generated by the battery 6 is, in particular, in the range from 200 to 800 Watts, in particular in the range from 250 to 400 Watts. Kitchen appliance 1 is made, in particular in the form of a manual apparatus for mixing, preferably in the form of a manual mixer 2. In a special embodiment, provided indicator 27 charge level for the battery 6, in particular the led 28.

Charging system 3 preferably includes a kitchen appliance 1, in particular hand mixer 2, which is driven by the battery 6, and the charger 8 for kitchen device 1 designed for charging the battery 6, and for charging the battery 6 cooking device 1 is connected with the charging device 8 via the connector 9 to transmit electric energy from the charging device 8, the device 1 and the connector 9 allows you to rotate the cooking device 1 relative to the charger 8. Preferably the connector allows you to rotate the cooking device 1 relative to the charger 8, cast the STI, around the vertical axis at an angle of 12 more than 90°, especially preferably more than 360°. In a special performance of the connector 9 has at least two sliding contacts 10, 11 with two current collectors 13, 14 and two slip rings 15, 16, both the slip rings 15, 16 can be concentric and have different radii R1, R2, or both contact rings 15, 16 can be positioned coaxially joined relative to each other.

Both the slip rings 15, 16 are preferably mounted on the charger. To prevent electric corrosion due to liquid splashes, falling on the charger, both the slip rings 15, 16 can also be attached on the kitchen appliance 1. Kitchen appliance 1 preferably has a device 18 for receiving tool 17, and the sliding contacts 10, 11 to the connector 9 of the kitchen appliance 1 with charger 8 are located in the receiving device 18 or so that during operation of the kitchen appliance 1 sliding contacts 10, 11 on the kitchen appliance 1 overlap tool 17, which is on the kitchen appliance 1. The contact ring is made, in particular by stamping from sheet metal. The contact ring 15, 16 preferably has at least one contact leg 77 extending at an angle from the plane formed by the contact ring 15, 16, and prehodyaschest enter 19 in the wall 29 of the kitchen appliance 1 or the charger 8.

The contact ring 15, 16 has at least two, preferably at least four, the mounting legs 21, in particular, diverging at an angle from the plane formed by the contact ring 15, 16 to which the contact ring 15, 16 are attached, in particular, snaps or hooks. The charger 8 is made preferably by casting under pressure. The current collectors 13, 14 are preferably made in the form of elastic elements 22 and in the United position of the kitchen appliance 1 and the charging station 8 elastically rely on the slip rings 15, 16. In the kitchen appliance 1 and/or in the charger 8 is preferably provided by the guide surface 87, inclined or curved relative to the direction 88 occurrences, to facilitate connection of the device with the charger. Used charger adapted and intended for use in combination with the charging system.

Especially convenient multifunctional stand for 4 hand mixer 2 includes mounting pad 23, which stand 4 is placed on a flat horizontal surface 31, and the fixing pad 24, which stand 4 is attached to the wall 30. It preferably involves first receiving device 18 for the tool 17, which is intended in particular for mixing or mashing. Stand 4 is reductive in particular electrical lines 32 and preferably forms a charger 8 for hand mixer 2, driven by the battery 6. In the stand 4 can be electrical contact surface 33, in particular the slip rings 15, 16 and/or the current collector 13, 14, to carry out the electrical contact of the hand mixer 2, which is driven by the battery 6. The receiving device 18 for the tool is preferably made so that the tool 17 is placed in the device 18, so that the tool 17 is, essentially, the unit 18 for receiving the tool. Alternatively or in addition, the receiving device 18 for the tool is that the tool 17 is hung in the device 18, so that the tool 17 is, essentially, the unit 18 for receiving the tool. In a special embodiment, the receiving device 18 for the tool has a bottom wavy shape, with at least four, preferably at least five waves corrugations 35. The receiving device 18 may have a circular shape, and the receiving device 18 round shape is essentially radial groove 36 through which the tool 17 is pushed in all the receiving device 18 for the tool. The mounting platform 24 is preferably in the form of a removable mounting plate 37 mounted on the stand 4. The mounting plate 37 is carried out so that it is attached to the stand on zamel the Ah. The mounting plate 37, in particular, can vdvinut'sā in the stand 4 and secured therein by means of the groove 38 or ridge 39 of the circuit Board. The advantage is the presence in the mounting plate 37 at least one first longitudinal hole 41 for mounting the screw 43 to the wall 3. The advantage is, if the circuit Board 37 is provided by a second longitudinal hole 42 for fastening the screw 43 to the wall 3, in particular perpendicular to the first longitudinal hole 41. Another option exercise presupposes that the mounting surface 24 has rubber feet 44.

Particularly preferred kit includes a convenient stand 4 and the hand mixer 2, which is held in it. Kit can be a tool 17 for hand mixer 2, in particular, designed for mixing and/or mashing, and the tool 17 is held in the stand 4 by means of the receiving device 18 for the tool. The advantage is that the receiving device 18 for the tool formed in accordance with the shape of the path 45 of the head 46 of the tool.

Especially preferred hand mixer 2 includes a housing 5 that is located inside the motor 47 and the inside of the battery 6, and provides that the motor 47 and the battery 6 is mounted on the support e is the element 48, inserted into the housing 5 and is attached to the housing 5. In a preferred embodiment, provided that the carrier element 48 is connected to the housing 5 without the use of glue and/or thread. In a preferred embodiment, provided that the carrier element 48 has locking elements 49, 74, with which he fastened to their respective response elements 50 on the housing 5, in particular latched. In the preferred embodiment, it is envisaged that the support element 48 includes a block 51 of the control electronics, in particular, attached with the first locking element 52. In the preferred embodiment, it is envisaged that the support element 48 fortified electrical switches 67, 69, in particular the main switch 67 that is attached preferably by snapping by means of second locking elements 53. In a preferred embodiment, provided that the motor 47 and/or the battery 6 is mounted on the bearing element 48 by snapping. In a preferred embodiment, provided that the carrier element 48 made of plastic, in particular by casting under pressure. In a preferred embodiment, provided that the carrier element 48 is held in the housing 5 by means of supports 54, in particular the support ribs. In before Occitania embodiment, provided, the housing 5 has two teams bowl 56, 57 of the housing, in particular, connected to each other without a gap by means of the groove 58 of the housing or crest 59 of the housing. In a preferred embodiment, provided that the carrier element 48 is formed of plastic, in particular by casting under pressure.

Particularly preferred type of support member 48 is adapted and intended for preferred variants of the hand mixer 2.

Especially preferred method of manufacturing a hand mixer 2 with the body inside the motor 47 and the inside of the battery 6, includes the following stages: pre-Assembly of the motor 47 and the battery 6 to the support element 48; inserting the bearing member 48 with the motor 47 and the battery 6 in the housing 5; the closing body 5. In a preferred embodiment, provided that the motor 47 and the battery 6 are fixed on the support element 48 by snapping. In a preferred embodiment, provided that the carrier element 48 is placed in the housing by snapping.

In a particularly preferred embodiment of the kitchen appliance 1, held in the hands, in particular hand mixer 2, the housing 5 includes at least one first Cup 56 and the second Cup 57 of the casing and one of the fastening means 60 for connection of eih bowls housing with each other and provided, what part of the fastening means 60 has a clamping element 61, which is inserted into the first Cup 56 of the housing in at least two separate locations 62 attachment and in both these places 62 mounting presses first Cup 56 of the housing to the second bowl 57 of the housing. In a preferred embodiment provides that the clamping element 61 is formed clamping cover 63 of the housing, in particular, separate from the cups 56, 57 of the case which no gap is connected with both cups 56, 57 of the housing via the second connecting line 65. In a preferred embodiment provides that the clamping cover 63 of the housing holds two cups 56, 57 the case among themselves. In a preferred embodiment provides that the clamping element 61 has at least one first connecting element 79, one second connecting element 80 and the third connecting member 81 and the clamping element 61 through the first and second connecting elements 79, 80 is bonded with the first Cup 56 of the housing and through the third coupling element is bonded with the second Cup 57 of the housing. In a special enhanced version provides that the first and second connecting elements 79, 80 are formed by connective protrusion 82, which are included in appropriate connecting recess in one of the cups 56, 57 of the housing. In preferably the version provided the third coupling element 82 is a threaded connection 85. In a preferred embodiment envisages that the clamping element 61 is provided to the fourth coupling element 84, which clamping element 61 is attached to the first or second Cup 56, 57 of the housing. In a preferred embodiment provides that both cups 56, 57 of the housing are interconnected by the first line of 64 connections, using the tongue and groove of the housing. In a preferred embodiment, provided that the bowl 56, 57 cases have clear elements by means of which the bowl 56, 57 of the housing are connected to each other. In a preferred embodiment provides that the kitchen appliance 1 is a device driven by an electric motor, in particular a hand mixer 2. In a preferred embodiment, provided that the bowl 56, 57 of the case is made essentially in the form of semi-bodies. In a preferred embodiment provides that both 62 attachment are separated from each other by at least 2 cm, in particular at least 3 cm, preferably at least 4 see

Especially preferred method of manufacturing kitchen appliance 1, in particular a handheld mixer 2, which has a first Cup 56 of the housing and a second Cup 57 of the housing and the clamping cover 63 of the housing such that perva the second bowl 56, 57 housing and the cover 63 of the housing form an essentially closed housing 5, provides the following operations: combining the two parts 56, 57 of the housing through the first connecting line 64, formed by the edges 66 of the cups 56, 57 of the housing; the introduction of the clamping cover 63 in at least two separate locations 62 attachment into engagement with the first Cup 56 of the housing; a thrust to the two of cups 56, 57 of the housing to each other by means of clamping cover 63 so that the first Cup 56 of the body pressed against the second Cup 57 to the housing in both places 62 attachment.

Especially preferred embodiment of the kitchen appliance 1, in particular a handheld device with the actuator, preferably hand mixer 2, with switch 67 provides that a switch 67 is provided by block 68 with the possibility of bringing it into action with your finger. The ability to actuate the finger means that the lock is suitable and intended for operation from the user's finger. In a preferred embodiment provides that the device 68 of the lock has a safety switch 69 that is separate from the switch 67 of the device. In a preferred embodiment provides that essential to press the distance D between the switch 67 and the safety switch 69 is at least 0.5 cm, in particular at the ore 0.8 cm, preferably at least 1.2 cm and, in particular, less than 4 cm, in particular less than 3 cm, preferably less than 2.5 see In a preferred embodiment provides that the device 68 of the locking device has 70 time delay with which the switch 67 is unlocked only after some time after pressing the safety switch 69. In a preferred embodiment, provided that the time delay device 70 time delay is at least 0.1 sec, in particular at least 0.2 seconds, preferably at least 0.3 seconds. In a preferred embodiment provides that the device 68 of the locking device has 70 time delay, which some time after pressing the safety switch 69, the switch 67 is released at a pre-specified period of time. In a preferred embodiment, provided that the duration of this time interval is from 0.3 to 2 seconds, in particular from 0.5 to 1 sec. In a preferred embodiment provides that to set the level of electrical power kitchen appliance 1 includes another electric tool 71 management, in particular an electric selector switch, pricesreal 71 management combined with switch 67 and connected with him. In a preferred embodiment provides that the safety switch 69 remains energized only during the period while it is involved, in particular pressed, and at other times will shut down again.

Especially preferred method of on/off of the kitchen appliance 1, in particular a handheld electrical device, preferably hand mixer 2, which has the main switch 67 and a separate safety switch 69, the switch 67 is unlocked, when used safety switch 69, provides that the safety switch 69 switches electronically. In a preferred embodiment, provided that the switch 67 is unlocked when it is actuated only after actuation of the safety switch 69, in particular, with a time delay of a duration of at least 0.1 sec, in particular at least 0.2 seconds, preferably at least 0.3 seconds. In a preferred embodiment provides that the unlocking is only effective within a predetermined time interval from 0.3 to 2 seconds, in particular from 0.5 to 1 sec. In a preferred embodiment provides that after unlocking switch 67 remains in the enabled state and then when the safety switch 69 is no longer supported.

1. Kitchen appliance (1), in particular a hand-held device with the actuator, preferably hand mixer (2), switch (67), characterized in that a switch (67) is provided by an electric lock (68), managed with the help of fingers, and the electric lock (68) contains a manually-operated safety switch (69), separate from the switch (67) which, in particular, to deepen.

2. Kitchen appliance (1) according to claim 1, characterized in that the safety switch (69) is located in the recess.

3. Kitchen appliance (1) according to claim 1, characterized in that the material to the pressing distance (D) between the switch (67) and a safety switch (69) is at least 0.5 cm, in particular at least 0.8 cm, preferably at least 1.2 cm and in particular less than 4 cm, in particular less than 3 cm, preferably less than 2.5, see

4. Kitchen appliance (1) according to claim 1 or 3, characterized in that the device (68) lock includes a device (70) time delay with which the switch (67) is unlocked only after long period of continuous pressing of the safety switch (69).

5. Kitchen appliance (1) according to claim 4, characterized in that the delay time of the device (70) times the second delay is at least 0.1 s, in particular at least 0.2 s, preferably at least 0,3 C.

6. Kitchen appliance (1) according to claim 4, characterized in that the device (68) lock includes a device (70) time delay with which the switch (67) is unlocked only after long period of continuous pressing of the safety switch (69) at a pre-specified period of time.

7. Kitchen appliance (1) according to claim 6, characterized in that the duration of the period of time ranges from 0.3 to 2, in particular from 0.5 to 1 C.

8. Kitchen appliance (1) according to one of claims 1 to 3, 5 to 7, characterized in that for setting the level of electrical power kitchen appliance (1) provides another electric vehicle (71) management, in particular an electric power switch, and means (71) control is provided, in particular, located on the switch (67), in particular combined with him and associated with him.

9. Kitchen appliance (1) according to one of claims 1 to 3, 5 to 7, characterized in that the safety switch (69) remains enabled only during the period while it is involved, in particular pressed, and at other times will shut down again.

10. How to enable/disable manual mixer (2), which has the main switch (67) and a separate safety switch (69), and switch (67) unlock the Rowan, when it involves safety switch (69), characterized in that the safety switch (69) trigger with your finger, and switching is produced by electronic means.

11. The method according to claim 10, characterized in that the switch (67) is unlocked when it is actuated only after actuation of the safety switch (69), in particular with time delay of a duration of at least 0.1, especially at least 0.2 s, preferably at least 0,3 C.

12. The method according to claim 10, characterized in that the unlocking is only effective within a predetermined time interval from 0.3 to 2, in particular from 0.5 to 1 C.

13. The method according to one of p-12, characterized in that the unlocking switch (67) is possible only while holding the safety switch (69).

14. The method according to one of p-12, characterized in that after unlock switch (67) remains in the on position and when the safety switch (69) is no longer held.



 

Same patents:

FIELD: personal use articles.

SUBSTANCE: invention relates to kitchen hand appliance with electric drive. Hand mixer with switch provides an electric interlock controlled with the help of fingers. Method is also stated on how to switch kitchen appliance on/off, when switch is unlocked, as safety switch is actuated with the help of user finger. Safety switch makes switching electronically.

EFFECT: invention, due to manual control of two separate switches, reduces possibility of unpremeditated switching of kitchen electrical appliance, which considerably improves safety of electrically driven kitchen appliance operation in housekeeping.

14 cl, 9 dwg

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