Bowl node for blender

FIELD: items of personal use.

SUBSTANCE: invention refers to the bowl node for a mixer or blender with a bowl and bowl support that is installed on the bowl by means of the connection unit. Between the bowl and the bowl support there is a fixing device stipulated by which means the connection unit is fixed in the installed position.

EFFECT: increase of reliability and convenient use of a blender.

5 cl, 2 dwg

 

The technical field

The technical field

The invention relates to host the Cup of a blender according to the restrictive part of paragraph 1 of the claims.

The level of technology

Home appliance for mixing and grinding are known. These devices, so-called blenders or mixers consist of a housing with a drive motor and bowl, stick on the top side of the housing, the lower part of which can rotate around the vertical axis of the tool shaft. The open bottom of the bowl with a bottom panel can be removed from housing to empty its pre-ground and/or mixed content in any vessel. The bottom is usually done in the form of a so-called bowl supports, which seals the associated Cup from the external environment and from the engine and at the same time supports the tool shaft, detachable from the output shaft of a drive motor. The tool shaft can be centered using the bearing shield, fastened to the pole of the Cup and having a sliding bearing. Such a typical device mixing and grinding are described, for example, in the patent document DE-GM 7507736.

In known devices for mixing and grinding ring on the lower band of the bowl usually has a male thread, which interacts with a corresponding internal thread bowl supports as by screwing the bowl usually need to compress a sub-gasket, the fully locked position is not precisely defined, and depends primarily on the applied user-torque. Under adverse conditions, especially when arising in operating conditions vibration, this can lead to samootvinchivaniya bowl and, in some cases, to loss of tightness and leakage of fluid.

Disclosure of inventions

The basis of the offer of the invention is to provide a reliable, tight connection between the Cup and the device for mixing and grinding.

This task node in the bowl of a device for mixing and grinding (hereinafter referred to for brevity blender) with the characteristics specified in the restrictive part of paragraph 1 of the formula of the invention, is solved in that if you set the Cup between the Cup and the bearing Cup is provided the locking device, by means of which the connecting device is latched in mounting position. Thanks to this plug or screw in the bearing Cup has a definite position, which is set corresponding persistent or locking devices. They are located in the pole of the Cup and on the basis of the bowl and through the Cup when inserted in the support always rotated relative to a particular focus and there fixed. Thus, this particular end put the e already does not depend on feelings the particular user. It also does not change with the ageing of the sealing strip, which can experience plastic deformation.

The locking device is preferably formed by a pair of matching locking elements, in particular in the form of protrusions and recesses, which when assembled end position of the connecting device are linked to each other. In particular, the protrusion may be located on the bowl, and the recess on the support, or Vice versa. The setting in the recess, the protrusion is a simple and reliable latch, improper use of which is practically excluded.

Preferably two pairs of locking elements are located diametrically opposite one another. Possible variants of fixing devices provide such specified end position of the bowl so that it was located in the support is not too tight, but not too freely. Too loose tightening could result in loosening of the Cup in vibration occurring during operation, and thus to loss of tightness. If too tight screwing can crush the gasket. When the gasket may be damaged, which again will lead to leakage. In addition, if too tightly screwed to the Cup, the temperature difference between the parts of the threaded connection the Oia may lead to the inability to Unscrew the bowl manually. The presence of at least two protrusions and grooves ensures a uniform distribution of forces and centering the bowl at the base.

The connecting device is preferably in the form of a threaded or bayonet connection. Thus, the locking device can be put into engagement in assembled end position of the connecting device. At the pole of the bowl may be provided with one additional connecting device preferably in the form of a bayonet connection for mounting the bearing cups on the device grinding and mixing. Due to the presence of tabs connecting device between the Cup and the support of the bowl is preferably disconnected easier than an additional connecting device between the bearing Cup and a device for mixing and grinding.

Between the Cup and the bearing Cup may be further located bearing shield, through which the tool shaft. Bearing shield may be fixed and centered between the Cup and the bearing Cup so that the tool shaft had a fixed axis of rotation and have a definite position in height.

A short list of drawings

Other aspects and advantageous variants of the invention arise from the dependent claims and from the following description of the drawing the.

Below the invention is described in more detail one example of implementation with reference to the accompanying drawings.

Figure 1 - schematic representation of the proposed incision in the invention device mixing and grinding and

figure 2 - image disassembled removed the bowl device of the mixing and grinding of figure 1.

The implementation of the invention

Figure 1 presents a schematic representation in the context proposed in the invention of the blender 10. The blender 10 includes a rotating tool shaft 12 and includes a housing 14 with the installed drive unit, preferably the drive motor 16, and a control device 18 for actuation of the blender 10. Instrumental shaft 12 are installed on the knife 20 has a vertical axis of rotation and is in the Cup 22, which is installed in the slot 15 on the upper side of the housing 14 and, if necessary, can be removed therefrom. The Cup 22 can, if you want to have the side of the handle 23 (see figure 2).

The Cup 22 has an open bottom side 24 with the base 26 of the bowl, which has a cylindrical outer side surface with the external thread 32 or bayonet or similar device. It connects with a corresponding internal thread 30 and a return landing bayonet connection supports 28 of the bowl. Bearing 28 of the bowl can the t to be removed from the housing 14 together with the Cup 22, and in this case it tightly closes the open bottom portion 24 of the Cup 22. When firmly connected to the support 28 of the bowl 22 of the tool shaft 12 remains connected with the bowl 22 and in a removed position of the bowl, as the tool shaft 12 is located in a bearing shield 33, mounted between the Cup 22 and the support 28.

Figure 2 shows detached from the support 28 and the Cup 22, tapering downwards and bearing on the base 26 of the bowl outer thread 32. The bottom side 24 of the Cup 22 is opened, so that when worn the bowl 22 protruding outward from the hole 40 of a support 28 of a tool shaft (1) is placed inside the bottom part of the Cup 22.

Bearing 28 of the bowl has an internal thread 30 that corresponds to the outer thread 32 so that the base 26 of the bowl can be screwed to the support 28. At the bottom of the internal thread 30 preferably provides sealing ring (not shown) for reliable sealing Cup 22 during operation. In an alternative embodiment, may also be provided with bayonet shutter, which also provides a tight connection. The nozzle 38 is located below the threaded part of the support 28, is designed for installation in the slot 15 of the housing 14.

The top edge of the internal thread 30 of the support 28 are located opposite each other with the protrusion 36, which protrude from the internal thread 30 and are part of the locking device to set the end position in inchannel bowl 22. On the top edge of the outer thread 32 of the Cup 22 at the base 26 of the bowl there are corresponding recesses 34, which communicate with the slots 36 when the Cup 22 is screwed completely. Thus, the protrusions 36 are recesses 34 and prevent further rotation of the bowl 22 for the final position.

Instead pictured here are two of the projections 36 and recesses 34 may be provided with only one projection and one recess. Exactly the same may be provided three or more pairs of cooperating projections and recesses. They can be located respectively on the upper or lower edges of the inner and outer threads, so that during the screwing will not occur commit, and it will happen only when reaching the end position. Instead of the depicted design with the tabs 36, located on the internal thread 30, there can be provided the recesses 34. In this case, the projections 36 are provided on the outer thread 32 of the bottom of the Cup.

Preferably, the force required to release the locking connection between the Cup 22 and the support 28 is less than the force required to release the nozzle 38 from the slot 15 of the housing 14, so that in principle is first disconnected the connection.

Due to the coupling between the output shaft of a drive motor 16 and the tool shaft 12 from EGAT, to openly located in the support 28 of the bowl instrumental shaft 12 remains coupled to the driving motor 16, which could lead to injury if the latter has not yet been turned off or has been mistakenly enabled.

1. Node bowls device (10) mixing and grinding with the bowl (22) and a support (28) of the bowl, which by means of a connecting device, preferably a threaded connection, is mounted on the Cup (22) and mounted the bowl (22) between the Cup and the support (28) is provided for the locking device, by means of which the connecting device is secured in assembled position, and bearing (28) of the bowl has an additional connecting device, preferably a bayonet connection, for base mounting (28) of the bowl on the device (10) mixing and grinding, characterized in that the locking device has at least one pair of matching locking elements, such as, for example, the protrusion (36) and the recess (34), which are mounted end position of the connecting device are linked to each other so that further rotation of the bowl (22) beyond the end position becomes impossible, due to the presence of the locking device, the connecting device between the Cup (22) and a support (28) of the bowl is disconnected easier than other connecting devices is between a support (28) of the Cup and the device (10) mixing and grinding.

2. The node according to claim 1, characterized in that the projection (36) is located on the Cup (22)and the recess (34) is located on a support (28) of the bowl.

3. The node according to claim 1, characterized in that the projection (36) is located on a support (28) of the Cup, and the recess (34) is located on the Cup (22).

4. The node according to any one of claims 1 to 3, characterized in that the protrusion (36) and the recess (34) are located respectively on the upper or on the lower outer edges (32) and internal (30) thread, so that the detent connection occurs immediately when reaching the end position while tightening.

5. The node according to any one of claims 1 to 3, characterized in that two pairs of locking elements are preferably diametrically opposite one another.



 

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