Robot-vacuum cleaner

FIELD: mechanical engineering.

SUBSTANCE: robot-vacuum cleaner has adjustable brush whose height is automatically regulated in accordance with state of surface to be cleaned. Housing of robot-vacuum cleaner has control part programmed for controlling robot-vacuum cleaner to provide for automatic displacement and cleaning of floor surface to be cleaned in accordance with predetermined values, driven part which is actuated in accordance with control signal delivered from control part, dust sucking part adapted for catching and collecting of dust with the help of electric engine designed for creating suction force, and receptacle part of pivot joint, said part protruding toward surface of floor to be cleaned. Brush casing has protrusion of pivot joint, rotationally connected with said receptacle part of pivot joint, and suction channel connected in sealing relation to housing part adapted for dust suction. Brush casing rotates upward and downward relative to receptacle part of pivot joint in accordance with state of floor surface to be cleaned. Brush of robot-vacuum cleaner is positioned for rotation between its casing and cover. Brush cover retaining means has at least one retaining member mounted within brush cover for rotation therein, extending through opening adapted for mounting of retainer and defined within brush cover, said retaining member being adapted for rotation in clockwise and counterclockwise directions and comprising retainer including long axis and short axis at its one end and round handling portion at its other end. Round handling portion is designed for rotating retainer between retaining position and releasing position. Brush cover retaining means has at least one retaining opening whose position corresponds to position of brush cover retaining member and whose shape also corresponds to shape of retainer.

EFFECT: increased efficiency by keeping predetermined distance between brush and floor surface regardless of characteristics of floor surface, and simplified and convenient brush maintenance.

10 cl, 7 dwg

 

The technical field to which the invention relates.

The present invention relates to a robot vacuum cleaner, and more precisely to the robot vacuum cleaner with adjustable brush height is automatically adjusted in accordance with the state of the surface to be cleaned, to maintain a predetermined distance between the brush and the surface to be cleaned.

BACKGROUND of INVENTION

As is widely known, the robot cleaner moves automatically along the surface of the floor space and performs cleaning of a particular zone by the suction of dust and dirt from the floor surface.

Figure 1 and 2 shows one example of such a robot cleaner, which will be briefly described below.

Figure 1 is a representation in perspective illustrating a conventional device of a robot cleaner, which is separated cover, and figure 2 is a bottom view showing the device of figure 1 from the bottom side. Reference number 10 indicates the body of the robot cleaner, a reference number 20 denotes a part for suction of dust, reference number 30 denotes a suction hole, the reference number 40 designates a portion formed by the sensors, the reference number 50 denotes a control part, and the reference number 60 denotes a battery.

As shown, there are many driving wheels 11, 12 located nabeeh the sides of the body 10 of the robot cleaner and designed to provide movement of the robot cleaner. The body 10 of the robot cleaner is essentially a circular plate with an essentially hemispherical cap attached to it. In the drawing the cover omitted.

Part 20 for sucking dust is used to suction inside the dust from the floor surface with a large suction force, which is part of the 20 for suction of dust creates in the suction channel (not shown)formed in the body 10 of the robot cleaner. Part 20 to a vacuum cleaner includes a motor (not shown) for creating a vacuum and a dust collector (not shown)designed to collect dust which is sucked inside the suction channel when the actuation of the electric motor to create a vacuum.

On the lower surface of the body 10 of the robot cleaner is formed by the suction hole 30, which communicates via a fluid suction channel and the inside of the suction holes 30 has a brush 31, made with the possibility of rotation and designed to sweep dust from the floor surface to be cleaned.

Part 40 formed by sensors located along the side of the body 10 of the robot cleaner with predetermined intervals and is designed to send out signals and receiving reflected signals. Part 40 formed by the sensors includes a sensor barriers (not shown) and the sensor length move (nepoc is connected).

The control module 50 processes the signals received at its transmitting part, and controls the corresponding elements accordingly. More precisely, the control part 50 receives signals from an external control device or from the remote control device and accordingly drives the drive wheels 11, 12 and actuates designed to create a vacuum motor part 20 for dust collection. In addition, the control part 50 controls the operation of the robot cleaner in accordance with the signals received from part 40 formed by the sensors.

Robot cleaner, such as those described above, can determine the distance to obstacles, such as furniture, office equipment and walls, with part 40 formed by the sensors and to selectively drive the drive wheels 11, 12 of the body 10 of the robot cleaner in accordance with these defined values. If necessary, the robot cleaner can also change the direction of motion.

However, the conventional robot cleaner, such as those described above has a drawback. Namely, since the suction hole 30 is in a fixed position in the housing 10 of the robot cleaner, the distance between the floor surface to be cleaned and the suction inlet 30, is subject to change depending on the characteristics of the poverhnosti sex, be cleaned. Accordingly, problems may occur, such as excessive contact of the suction holes 30 with the floor surface to be cleaned. For example, if the robot cleaner performs a cleaning fibrous areas, such as a carpet on the floor, excessive contact between the suction inlet 30 and the floor surface to be cleaned, can cause overload of the motor to create a vacuum, and as a result, the cleaning efficiency is reduced and creates noise. In addition, since the suction hole 30 is formed in one piece with the body 10 of the robot cleaner, the user of the cleaning device feels uncomfortable when cleaning the suction holes 30 in the case of contamination.

SUMMARY of the INVENTION

The present invention overcomes the above problems of the prior art, and accordingly, to solve the above problems, was the task of the present invention, which is to create a robotic vacuum improved design, which is capable of maintaining a predetermined constant distance between the brush specified device and the floor surface to be cleaned, regardless of the characteristics of the floor surface, and also provides for easy care brush.

To solve pointed to by the th above tasks and/or implement other features of the present invention developed the robot cleaner, which contains the body of the robot cleaner, a casing brush with the protrusion of the hinge connected to rotate with the receiving part of the hinge, and the suction channel, hermetically connected with intended for dust suction part of the body of the robot cleaner, and made with the possibility of rotation of the brush mounted for rotation between the body brush and lid brush. The body of the robot vacuum cleaner has a control part, which is programmed to control the robot cleaner to ensure its automatic movement and cleaning of the floor surface to be cleaned, in accordance with predetermined desired values, the drive part is driven in accordance with a control signal from the control part, the part for suction of dust, designed to capture and collect dust by an electric motor, used for creating a suction force, and the receiving portion of the hinge, the protruding so that it is opposite the floor surface to be cleaned. The body brush is raised and lowered in accordance with the condition of the floor surface to be cleaned.

The receiving portion of the hinge protrudes from the part which is intended for installation of brush body is provided in the body of the robot cleaner.

The body brush has a hole to arise the key receiving portion of the hinge, in this case the position of this hole corresponds to the position of the receiving part of the hinge, to allow passage of the receiving part of the hinge through it, and the protrusion of the hinge formed on the inner periphery of the hole for inserting the receiving part of the hinge.

The protrusion of the hinge has a protruding part protruding from the inner periphery of the hole for inserting the receiving part of the hinge and substantially corresponding in shape to the cylindrical rack, and a disk element intended to prevent separation of the protruding portion in the axial direction.

The body brush is rotated between the first position and the second position to prevent excessive contact with the surface to be cleaned. The first position is designed for hard floor surfaces such as the surface of the wooden floor, and the second position is for the hairy surface of the floor such as a carpet surface, having a set of bristles embedded in it. The body of the brush, which is in the first position, is rotated around the protrusion of the hinge under the action of its own weight to enter in contact with the floor surface to be cleaned, and the body of the brush, which is in the second position, is rotated around the protrusion of the hinge due to the fact that it relies on the upper part of the bristles surface the minute floor, to be clean.

The body brush has a groove for mounting the brushes are made with the possibility of rotation, which is made with the rotating brush mounted for rotation, and a suction bore hole, designed to provide communication for fluid between the groove to install brushes made with the possibility of rotation and suction channel.

Brush cap has a suction hole which is separated by a set of edges.

Made with the possibility of rotation of the brush has at least one helical plate is formed on its outer circumferential periphery. In the spiral plate made slits in the places corresponding to the set of edges.

Meanwhile, the means for fixing the cover of the brush has at least one locking element mounted in the cover of the brush can be rotated, while it passes through the hole to install the latch formed in the cover of the brush, and can be rotated in the directions clockwise and counterclockwise. The locking element includes a latch having a long axis and a short axis on one end and a round portion for manipulation at the other end that is designed to rotate the latch between the locked position and the released position. Tool to fix the AI cap brush also has at least one hole for fixing the position of which corresponds to the position of the fixing element covers brushes, and shape which matches the shape of the lock.

Linear protrusion formed on the circular part of the manipulation, passes through its centre, and around the circumferential periphery of the hole to install the clamp at an angle approximately equal to 90°formed position marker for specifying positions of the locking and released the lock.

BRIEF DESCRIPTION of DRAWINGS

The above aspects and other features of the present invention will become more apparent from the detailed description of the preferred variants of its implementation with reference to the attached drawings, in which:

figure 1 is a representation of a conventional robot cleaner in the future;

Fig. 2 bottom view according to Fig. 1;

Fig. 3 is carried out with a spatial separation of elements, perspective representation showing a robot cleaner in accordance with the present invention from the bottom side;

figure 4 is a view in plan showing the lower side of the robot cleaner according to the present invention;

figure 5 is a depiction in perspective, illustrating the case of robot vacuum cleaner is attached to the body of the brush, the lid body brush and done the bedroom with the possibility of rotation of the brush removed;

6 is a side view showing the position of the body brush in the case, when the robot cleaner according to the present invention performs the cleaning of the flat surface of the floor; and

Fig.7 is a side view illustrating the position of the body brush in the case, when the robot cleaner according to the present invention performs cleaning fibrous floor surface such as the surface of the carpet.

A DETAILED DESCRIPTION of the PREFERRED embodiments

Hereinafter the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is carried out with a spatial separation of the elements of the perspective image of a robot cleaner in accordance with one preferred embodiment of the present invention. Figure 3 the reference number 110 denotes a body of the robot cleaner, the reference number 120 denotes the body of the brush, the reference number 130 indicates the cover of the brush, and the reference number 140 denotes made with the possibility of rotation of the brush.

The housing 110 of the robot cleaner includes many driving wheels street 111A and auxiliary wheels 111b, designed to stop and actuate the robotic vacuum cleaner 110 with a drive motor (not shown). Inside the housing 110 of the robot vacuum cleaner is provided by the electric motor (epocas the config) to create a suction force and a dust collector (not shown). A dust collector is reported by fluid suction channel 122 formed in the housing 120 brushes, dust from the surface to be cleaned. To enable insertion of the housing 120 of the brush into the housing 110 of the robot vacuum cleaner is preferably provided by part 112 for installation of brush housing. On the housing 120 of the brush formed by the protrusions 121 of the hinge, and the part 112 for installation of brush body has a receiving portion 113 of the hinge formed at the location corresponding to the protrusion 121 of the hinge formed on the housing 120 of the brush. The receiving portion 113 of the hinge protrudes from the lower side part 112 for installation of brush body in the form of a polygonal hours and preferably has a receiving groove 114 of the hinge corresponding in shape to the protrusion 121 of the hinge. The connection protrusion 121 of the hinge with the receiving groove 114 of the hinge will be described in more detail below.

The housing 120 of the brush includes a protrusion 121 of the hinge, insert can be rotated into the receiving portion 113 of the hinge, the suction channel 122, which is tightly connected with a part (not shown) for sucking dust, provided in the housing 110 of the robot vacuum cleaner, hole 123 for inserting the receiving part of the hinge, formed in a place corresponding to the housing 110 of the robot vacuum cleaner so as to allow passage of the receiving portion 113 of the hinge through him, and the groove 124 to set the Cai brush, made with the possibility of rotation in which the brush 140 is installed with the possibility brainiest 121 of the hinge has a protruding portion a made with a diameter corresponding to the width of the receiving groove 114 of the hinge, and the disk element 121b formed on the end of the protruding part a to prevent separation of the protrusion 121 of the hinge. The protrusion 121 of the hinge protrudes from the inner periphery of the holes 123 for inserting the receiving part of the hinge, which will be described in more detail below. Preferably, on the inner periphery of the hole 123 for inserting the receiving part of the hinge was formed by two protruding parts a, parallel to the leading axes of the driving wheels street 111A of the housing 110 of the robot cleaner.

Meanwhile, the hole 123 for inserting the receiving part of the hinge is preferably made from a shape corresponding to the receiving part 113 of the hinge, and in accordance with this embodiment, the hole 123 for inserting the receiving part of the hinge is formed with a rectangular shape, and the receiving portion 113 of the hinge (Fig 3 and 4). The protrusion 121 of the hinge protrudes from the inner periphery of the holes 123 for inserting the receiving part of the hinge. Meanwhile, as shown in Fig. 5, prevents the separation of the protrusion 121 of the hinge installed in the receiving groove 114 of the hinge, due to the presence of the coupling element 125, to which were attached with screws (S).

The groove 124 to install brushes made with the possibility of rotation, is where the brush 140 is installed rotatably. When made with the possibility of rotation of the brush 140 rotates, it collides with the floor surface to be cleaned, and thereby sweeps the dust. To ensure efficient suction of dust, separated from the floor surface, the groove 124 to install brushes made with the possibility of rotation is given by the fluid suction channel 122 through the suction bore hole 125.

The housing 120 of the toothbrush having the above described structure, is shifted from the first position intended for cleaning of hard floor surface F, such as the surface of the wooden floor, as shown in Fig. 6, in the second position, designed for cleaning fibrous surface of the floor such as a carpet surface, as shown in Fig. 7. In the first position, the housing 120 of the brush tightly in contact with the surface F of the floor to be cleaned, due to its own weight, while in the second position, the housing 120 of the brush is located at a certain distance from the surface of the floor due to the fact that it rests on the upper side of hairline surface From the floor, and thus its intimate contact with the surface of the floor is prevented.

Cover 130 brush attached to the housing Wei with the possibility of removal by means of 200 to secure the cover of the brush. Cover 130 brush has a suction hole 132, which are separated by a set of edges 131.

Made with the possibility of rotation of the brush 140 has at least one helical plate 141 formed thereon, and the plate 141 made of rubber or any material with similar properties and can provide a stable collision with the floor surface to be cleaned. As shown, the plate 141 in the places corresponding to the ribs 131, made cuts to remove dust or dirt that has accumulated on the ribs 131.

The tool 200 to secure the cover brush includes at least one locking element 210 and at least one hole 220 for fixing. The locking element 210 is installed in the lid 130 brush can be rotated, while it passes through the opening 133 to set the latch, formed in the cover 130 brush can be rotated in the directions of clockwise and anti-clockwise and has a latch 210A, which has a long axis and a short axis on one end and a round portion 210b for manipulation at the other end that is designed to rotate the latch 210A between the locked position and the released position. The position of the holes 220 for fixing the locking element 210 of the cover 130 brush, and the shape of this hole 220 is also relevant to the duty to regulate the form of a latch 210A.

As shown in Fig. 3, designed to manipulate and round part 210b locking element 210 has a linear protrusion 211 formed therein and passing through its center, and a round portion 210b for manipulation may optionally include a label 134 provisions formed at an angle of 90aboutand intended to specify the relevant provisions of the locking and released.

Next, the operation of the robot vacuum cleaner will be described in more detail with reference to the accompanying drawings.

When the user actuates the device of the robot cleaner, the robot cleaner begins to clean a given area while simultaneously continuing to determine your position using signals received by a part formed by the sensors.

During normal operation, illustrated in Fig. 6, the robot cleaner performs a cleaning of hard floor surface F, such as the surface of the wooden floor. In this case, the housing 120 of the brush of the robot vacuum under the action of its own weight rotates around the protrusion 121 of the hinge to capture and trap dust and dirt from the floor surface F in the first position, in which case the brush is in contact with the surface F of the floor.

When working on a hairy surface of the floor such as a carpet surface, as shown in Fig. 7, the housing 120 of the brush of the robot vacuum p is varchives up around the protrusion 121 of the hinge due to the contact of the casing with the upper part of the bristles of the carpet. Accordingly, the cleaning operation is performed when the housing 120 of the brush in the second position, i.e. in the position in which it rests on the upper part of the bristles of the carpet.

Since, as described above, the housing 120 of the brush is raised and lowered in accordance with the condition of the floor surface to be cleaned, to prevent excessively tight contact between the floor surface and the suction inlet 131, and therefore, during the operation of cleaning suction efficiency is not reduced and the noise does not occur.

Meanwhile, the dust can pass between made with the possibility of rotation of the brush 140 and intended for installation made with the possibility of rotation of the brush groove 124 of the housing 120 of the brush, when the robot cleaner is used for a long period of time. However, in accordance with the present invention this problem can be avoided by detaching the cover 130 brush from the body of the brush 120. That is, the lid 130 brush you can easily unplug the tool 200 to secure the cover of the brush, and requires no tools to open. As described above, there is a linear protrusion 211 formed on intended for manipulation, the round part 210b locking element 210 and passes through its center, and therefore, the user can simply grab a linear protrusion 211 and turn fixed the store element 210 clockwise and counterclockwise to the detent and released.

When using a robot cleaner having a structure similar to the one described above, according to the present invention, the brush, the hinge attached to the body of the robot cleaner rotates up and down in accordance with the condition of the floor surface to be cleaned in order to maintain a predetermined constant distance between the suction channel and the floor surface to be cleaned. As a result you can avoid the overload of the electric motor to generate a suction force, which occurs due to excessively tight contact between the suction channel and the floor surface to be cleaned, and it is possible to prevent the noise caused by the motor.

In addition, since the brush cap is made with the possibility of disconnection without the use of any tool, provides easy care brush is made with the possibility of rotation.

Although preferred embodiments of the above for purposes of illustration and explanation, the invention should not be construed as limited to the above description, but should be seen as encompassing all modifications, changes and substitutions, and provided that the invention is limited only by the following claims.

1. Robot p is less, contains the body of the robot vacuum cleaner that contains a control part, which is programmed to control the robot vacuum cleaner with automatic movement and cleaning of the floor surface to be cleaned, in accordance with predetermined desired values; the drive part is driven in accordance with a control signal from the control part; a part for suction of dust, designed to capture and collect dust by an electric motor, used for creating a suction force, and the receiving portion of the hinge that goes across the floor surface to be cleaned; the body of the brush containing the protrusion of the hinge connected to rotate with the receiving part of the hinge, and the suction channel, hermetically connected with intended for dust suction part of the body of the robot cleaner, and made with the possibility of rotation of the brush mounted for rotation between the body brush and the cover of the brush; and a body brush can be turned up and down relative to the receiving part of the hinge in accordance with the condition of the floor surface to be cleaned; means for fixing the cover of the brush, and means to secure the cover brushes contains: at least one locking element mounted in the cover of the brush with the possibility of rotation and passing through the hole to install the clamp, formed in the cover of the brush rotating in directions clockwise and counterclockwise, and includes a latch having a long axis and a short axis on one end and a round portion for manipulation at the other end designed to rotate the latch between the locked position and a released position, and at least one hole for fixing the position of which corresponds to the position of the fixing element covers the brush and shape which matches the shape of the lock.

2. The robot cleaner of claim 1, wherein the receiving portion of the hinge acts on intended for installation of brush housing part which is provided in the body of the robot cleaner.

3. The robot cleaner according to claim 2, in which case the brush contains a hole for inserting the receiving part of the hinge, while the position of this hole corresponds to the position of the receiving part of the hinge to allow passage of the receiving part of the hinge through it, and the protrusion of the hinge formed on the inner periphery of the hole for inserting the receiving part of the hinge.

4. The robot cleaner according to claim 3, in which the protrusion of the hinge includes a protruding part protruding from the inner periphery of the hole for inserting the receiving part of the hinge and substantially corresponding in shape to the cylindrical rack, disk and the element is provided, designed to prevent separation of the protruding portion in the axial direction.

5. The robot cleaner according to claim 1, in which case the brush is rotated between the first position and the second position to prevent excessive contact with the surface to be cleaned, while the first position is designed for hard floor surfaces such as the surface of the wooden floor, and the second position is for a shag floor surface such as the surface of the carpet, with many setae, sealed it, and in this case the brushes are located in the first position, is rotated around the protrusion of the hinge under the action of its own weight to enter in contact with the floor surface to be cleaned, and the body of the brush, located in the second position, is rotated around the protrusion of the hinge due to the fact that it relies on the upper part of the bristles of the floor surface to be cleaned.

6. The robot cleaner according to claim 1, in which case the brush has a groove for rotating brushes, in which the rotary brush is mounted for rotation, and a suction bore hole, designed to provide communication for fluid between the groove for mounting the rotating brush and the suction channel.

7. The robot cleaner according to claim 1, in which the brush cap includes a suction hole is, separated by a set of edges.

8. The robot cleaner according to claim 6, in which a rotating brush includes at least one helical plate is formed on its outer circumferential periphery.

9. The robot cleaner of claim 8, where in places the spiral plate corresponding to the set of edges, is made of the slot.

10. The robot cleaner according to claim 1, in which the linear protrusion formed on the circular part of the manipulation, passes through its center, and a circumferential periphery of the hole to install the latch formed label provisions for specifying positions of the locking and released the lock.



 

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