CN111265123B - a food processor - Google Patents

Abstract

The invention relates to a kitchen cooking appliance, in particular to a food processor, which is characterized in that: the method comprises the following steps: the outer cup is of a vertical penetrating structure; the base is arranged at the bottom of the outer cup so as to seal the bottom of the outer cup; the inner cup is arranged in the outer cup, and a crushing cavity is formed inside the inner cup; the motor is arranged at the bottom of the inner cup, and a rotating shaft driven by the motor penetrates through the inner cup and extends into the crushing cavity; the crushing device is positioned in the crushing cavity and is arranged at the tail end of the rotating shaft; the power supply board assembly is arranged in an installation cavity formed by enclosing the outer cup, the inner cup and the base, a motor shell can be inserted into the installation cavity, the power supply board assembly is transversely arranged on the outer side of the motor shell through the installation groove, and the motor is electrically connected with the power supply board assembly. The food processor has the advantages of more compact structure, reliable installation of the power board assembly, effective saving of installation space, realization of reduction of the height and the gravity center of the whole machine, and prevention of shaking and toppling in the working process.

Description

a food processor

technical field

The present invention relates to kitchen cooking appliances, in particular to a food processing machine.

Background technique

The existing patent application number is "C200720194137.0" and the Chinese utility model patent application titled "Improved Multifunctional Automatic Soymilk Maker". In this patented solution, the control circuit board and the motor are installed in the base. Due to the limited space in the base, the motor occupies a large installation space. Therefore, the control circuit board can only be located on one side of the motor and arranged vertically. As a result, the base of the soymilk maker will appear bulky and high, and consumers will inevitably experience inconvenience in the process of carrying and cleaning the machine. In addition, due to the high height of its base, the overall size of the soymilk maker is also higher, and the center of gravity of the soymilk maker moves upwards. During the working process of the soymilk maker, the cup body of the soymilk maker will shake obviously. There may even be problems with the machine tipping over. In addition, since the control circuit board is vertically installed on the side of the motor, due to the limited installation space, the fixing method of the control circuit board is limited. in the slot. Since the soymilk maker will inevitably fall during transportation, for this installation method, the control circuit board may have a radial impact with the motor, thereby damaging the components on the control circuit board.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a food processing machine with a more compact structure, reliable installation of power board components, and can effectively save installation space, reduce the height and center of gravity of the whole machine, and prevent shaking and dumping during operation.

In order to achieve the above object, the present invention adopts the following technical solutions: a food processing machine, characterized in that: comprising:

The outer cup is in the form of up and down through the structure;

The base is installed on the bottom of the outer cup to close the bottom of the outer cup;

The inner cup is installed in the outer cup, and a crushing cavity is formed inside;

The motor is installed at the bottom of the inner cup, and the rotating shaft driven by the motor penetrates the inner cup and extends into the crushing cavity;

The crushing device is located in the crushing cavity and installed at the end of the rotating shaft;

The power board assembly is installed in the installation cavity enclosed by the outer cup, the inner cup and the base, and the power board assembly is provided with a mounting groove into which the motor housing can be inserted, and the power board assembly is laterally installed on the power board through the installation groove. On the outside of the motor housing, the motor is electrically connected to the power board assembly.

Further, on the edge of the installation slot, the power board assembly is provided with a protective tube extending toward the rear end of the motor housing, and the protective tube is sleeved on the outer side of the motor housing.

Further, the front end of the protective cylinder extends to the base, and a first seal is arranged between the protective cylinder and the base, and the motor is sealed in the waterproof cavity enclosed by the protective cylinder and the base;

Alternatively, a limiting sleeve is sleeved on the outer wall of the motor housing, and the limiting sleeve is pressed against the inner wall of the protective cylinder.

Further, an inwardly protruding mounting portion is provided on the inner wall of the outer cup, and the power board assembly is fixed on the mounting portion;

Alternatively, the bottom of the inner cup is provided with a motor mounting seat, and the motor and the power board assembly are both fixed on the motor mounting seat;

Alternatively, a heat insulating support is arranged between the inner cup and the power board, and the power board assembly is hoisted on the heat insulating support;

Alternatively, the power board assembly is hoisted at the bottom of the inner cup;

Alternatively, the front side of the power board assembly is arranged facing down;

Alternatively, the front side of the power board assembly is disposed upward.

Further, the installation slot is a through slot, and the motor housing is vertically inserted into the through slot, so that the power board assembly is sleeved on the outside of the motor housing;

Alternatively, the installation slot is a C-shaped slot opened on one side of the power board assembly, and the motor housing is inserted into the C-shaped slot laterally through the opening;

Alternatively, the power board assembly includes a plurality of sub-boards arranged around the peripheral wall of the motor housing, and the sub-board is provided with a gap corresponding to the outer shape of the motor housing, and the installation slot is formed by splicing the gaps of the plurality of sub-boards .

Further, the base is provided with an upwardly extending annular rib, and the rear end of the motor housing is located in the waterproof cavity formed by the annular rib.

Further, a limit rib abutting against the outer wall of the motor housing is provided on the peripheral wall of the waterproof cavity.

Further, the radial gap between the edge of the installation slot and the outer wall of the motor housing is G, where G is at least 1 mm.

Further, the groove wall of the installation slot is provided with an internal thread, the outer wall of the motor housing is provided with an external thread matched with the internal thread, and the power board assembly is fixed to the motor housing by screw fit. superior.

Further, the power board assembly includes a power board support and a power board mounted on the power board support, and the installation groove includes a first installation groove set on the power board and a second installation groove set on the power board support , the equivalent diameter of the first installation groove is not less than the equivalent diameter of the second installation groove, wherein the internal thread is arranged on the groove wall of the second installation groove;

Alternatively, the power board assembly is a power board, and the center of the power board has a protective tube in a through structure, the protective tube encloses a mounting groove, and the inner thread is provided on the inner wall of the protective tube.

In the food processor of the present invention, since the power board assembly is provided with a mounting slot into which the motor housing can be inserted, and the power board assembly is laterally mounted on the outer side of the motor housing through the mounting slot, compared with the existing control circuit board For the soymilk machine installed vertically in the base, it can effectively save the space of the installation cavity enclosed by the outer cup, the inner cup and the base, so that the power board assembly can be reliably installed in a narrow space. The installation method can reduce the height and center of gravity of the food processing machine, and can prevent the cup body from shaking or even tipping during the working process of the food processing machine. Secondly, in the food processor of the present invention, since the power board assembly is laterally installed relative to the motor housing, the power board assembly can be fixed to the outside of the motor housing by hoisting or bracketing, so even if the whole machine is in the process of transportation If there is a drop, it will not cause the components on the power board assembly to be damaged by impact with the motor housing.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings:

1 is a schematic structural diagram of Embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of the power board assembly in FIG. 1;

3 is a schematic structural diagram of Embodiment 2 of the present invention;

FIG. 4 is a schematic structural diagram of the power board assembly in FIG. 3;

5 is a schematic structural diagram of Embodiment 3 of the present invention;

FIG. 6 is a schematic structural diagram of the power board assembly in FIG. 5;

7 is a schematic structural diagram of Embodiment 4 of the present invention;

FIG. 8 is an enlarged schematic view of A in FIG. 7 .

Detailed ways

Example 1:

As shown in FIG. 1 and FIG. 2 , it is a schematic structural diagram of the first embodiment of the present invention. A food processing machine, comprising: an outer cup 1, which is in an up-and-down structure;

The base 2 is installed on the bottom of the outer cup 1 to close the bottom of the outer cup 1;

The inner cup 3 is installed in the outer cup 1, and a crushing cavity 30 is formed inside;

The motor 4 is installed at the bottom of the inner cup 3, and the rotating shaft 41 driven by the motor 4 penetrates the inner cup 3 and extends into the crushing cavity 30;

The crushing device 5 is located in the crushing cavity 30 and is installed at the end of the rotating shaft 41;

The power board assembly 6 is sealed and installed in the installation cavity 10 enclosed by the outer cup 1, the inner cup 3 and the base 2, and the power board assembly 6 is provided with an installation slot 60 into which the motor housing 42 can be inserted. The power board assembly 6 is laterally mounted on the outer side of the motor housing 42 through the installation slot 60 , and the motor 4 is electrically connected to the power board assembly 6 .

In this embodiment, the bottom of the inner cup 3 is welded with a motor mounting seat 31, the motor 4 is fixed on the motor mounting seat 31 by screwing, and the inner wall of the outer cup 1 is provided with an inwardly protruding mounting portion 11, The power board assembly 6 is fixed to the mounting portion 11 by screws (not marked in the figure). In this embodiment, the power board assembly 6 includes a power board support 61 and a power board 62 fixed on the power board support 61 , wherein the power board assembly 6 is fixed on the mounting portion 11 face down, and the power board support 61 is provided with There is a protective cylinder 611 extending toward the rear end of the motor housing 42 . The protective cylinder 611 is sleeved on the outer side of the motor housing 42 , wherein the through space formed by the surrounding wall of the protective cylinder 611 is the installation slot 60 . At the same time, in this embodiment, the protective cylinder 611 extends downward to the base 2 , and a first sealing member 7 is arranged between the protective cylinder 611 and the base 2 , and the rear end of the motor 4 is sealed in the protective cylinder 611 and the base 2 surrounded by In order to prevent the terminal (not shown in the figure) at the rear end of the motor casing from entering the water and short circuit or the risk of triggering by consumers.

In addition, in this embodiment, a limit sleeve 421 of silica gel is also sleeved on the outer wall of the motor housing 42 , and the limit sleeve 421 is pressed against the inner wall of the protective cylinder 611 , except for the rear part of the motor housing 42 . In addition to the limiting function, it can also reduce the vibration generated by the motor operation and transmit it to the power board assembly.

For this embodiment, since the power board assembly is provided with a mounting slot into which the motor housing can be inserted, and the power board assembly is laterally mounted on the outer side of the motor housing through the mounting slot, compared with the existing control circuit board For the soymilk machine installed vertically in the base, it can effectively save the space of the installation cavity enclosed by the outer cup, the inner cup and the base, so that the power board assembly can be reliably installed in a narrow space. The installation method can reduce the height and center of gravity of the food processing machine, and can prevent the cup body from shaking or even tipping during the working process of the food processing machine. Secondly, in the food processor of this embodiment, since the power board assembly is installed laterally relative to the motor housing, the power board assembly can be fixed to the outside of the motor housing by hoisting or bracketing. Therefore, even if the whole machine is transported during transportation In some cases, there is a drop, and it will not cause the components on the power board assembly to be impacted and damaged by the motor housing.

In this embodiment, the center of the power board has a through hole, and the protective tube on the power board bracket is inserted into the through hole to realize the installation of the power board. Therefore, the protective tube also has the function of installation and positioning of the power board. In this embodiment, the side (front side) on which the electrical components are installed on the power board assembly faces downwards. Similarly, the power board assembly may also face downwards on the reverse side, that is, the side on which the electrical components are installed faces upwards. In this embodiment, the limit sleeve is made of silicone material, which not only limits the position of the rear part of the motor casing, but also has the effect of shock absorption, preventing the vibration energy generated by the motor from being transmitted to the outer cup and introducing the resonance of the whole machine. . Of course, in this embodiment, the limit of the motor housing can also have other structural deformations. For example, a limit rib is set on the inner wall of the protective cylinder, and the limit rib is stopped on the outer wall of the motor housing. , or, the limit sleeve is a plastic part.

It should be noted that, in this embodiment, the protective tube is not only enclosed with the base to form a waterproof cavity for the wiring terminals at the rear end of the motor housing, but also has the function of isolating the power board from the motor, because the motor has carbon brushes, and the motor During the working process, the carbon brushes are constantly worn, and the worn carbon powder is particularly easy to adhere to the electrical components on the power board, which is prone to short-circuits of the electrical components. Therefore, the protective tube in this embodiment can effectively to avoid this from happening. At the same time, in this embodiment, the limiting sleeve and the protective cylinder also have a heat insulating effect, which can prevent the heat generated by the motor operation from being conducted to the power board, thereby causing overheating damage to the electrical components on the power board. In addition, the motor mounting seat in this embodiment can be an aluminum base. Since the aluminum base has good thermal conductivity, the motor is directly screwed on the aluminum base, and the heat generated by the motor operation can be conducted to the inner cup or the inner cup. Dissipate into the air to achieve heat dissipation of the motor.

In this embodiment, the power board assembly is hoisted on the mounting portion of the outer cup. Of course, the power board assembly can also be supported and fixed by the mounting portion. Of course, the power board assembly can also be directly hoisted on the motor mounting seat. Alternatively, a heat insulating bracket is arranged between the inner cup and the power board assembly, and the power board assembly is hoisted on the heat insulating support. Alternatively, the power board assembly is directly hoisted to the bottom of the inner cup. The installation structure of the power board assembly is not limited to the solution mentioned in this embodiment. In addition, for this embodiment, the outer cup is a whole. Of course, the outer cup of this embodiment can also be a multi-segment structure, such as a two-segment outer cup that is spliced up and down.

It should also be noted that the above-mentioned structural changes in this embodiment can also be applied to other embodiments of the present invention.

Embodiment 2:

As shown in FIG. 3 and FIG. 4 , it is a schematic structural diagram of the second embodiment of the present invention. The difference between this embodiment and the first embodiment is that: in this embodiment, the bottom of the inner cup 3 is fixed with a motor mounting bracket 32 by screws, and the motor is fixed on the motor mounting bracket 32 by screws. At the same time, the power board assembly 6 It is also hoisted and fixed on the motor mounting bracket 32 by screws, and an upwardly extending annular rib 21 is provided on the inner bottom surface of the base 2, and the rear end of the motor housing 42 is located in the waterproof cavity 210 formed by the annular rib 21. Prevent the connection terminals at the rear end of the motor housing 42 from entering into water, failing or short-circuiting. In addition, a limiting rib 211 abutting against the outer wall of the motor housing 42 is also provided on the inner side of the peripheral wall of the waterproof cavity 210 .

Among them, in this embodiment, the installation slot 60 is a C-shaped slot opened on one side of the power board assembly 6. During installation, the motor housing 42 is inserted into the C-shaped slot laterally from the opening, and then the power board assembly 6 is fixed on the motor mounting bracket. 32 on.

For this embodiment, the motor and the power board assembly are both fixed on the motor mounting bracket. In order to prevent the energy generated by the motor vibration from being conducted to the outer cup through the motor mounting bracket, it can also be between the motor mounting bracket and the inner cup, and A shock absorber is arranged between the motor and the motor mounting bracket to buffer and weaken the vibration energy. Meanwhile, in this embodiment, the limiting rib on the inner wall of the waterproof cavity has the function of limiting the position of the rear end of the motor housing, and also has the function of reducing vibration energy in a certain sense. Of course, a shock-absorbing silicone ring can also be set on the outside of the motor housing, which has both a limiting effect and a shock-absorbing effect.

It should be noted that, in this embodiment, the radial gap between the edge of the installation groove and the outer wall of the motor housing is G, where G is required to be at least 1 mm. For this embodiment, G≥1mm, which not only facilitates the installation of the power board assembly and the motor, but also reduces the thermal radiation of the motor to the electrical components on the power board. As described in the first embodiment, when the heat generated by the motor is conducted through the air After reaching the electrical components, the electrical components may overheat, thus affecting the life of the electrical components. It should also be noted that the above-mentioned structural changes in this embodiment can also be applied to other embodiments of the present invention.

Embodiment three:

As shown in FIG. 5 and FIG. 6 , it is a schematic structural diagram of a third embodiment of the present invention. The difference between this embodiment and the above-mentioned embodiment is that: in this embodiment, the power board assembly 6 includes a first sub-board 63 and a second sub-board 64 arranged around the peripheral wall of the motor housing 42 , and the two sub-boards Both are provided with a notch 65 corresponding to the outer shape of the motor housing 42 , wherein the installation slot 60 is formed by splicing the notch 65 of the two sub-boards. Wherein, the power board assembly 6 is disposed facing upward.

Meanwhile, in this embodiment, the base 2 is provided with an upwardly protruding annular mounting seat 22, a waterproof cavity 220 is formed in the annular mounting seat 22, the rear end of the motor housing 42 is located in the waterproof cavity 220, and the first Both the sub-board 63 and the second sub-board 64 are fixed on the annular mounting seat 22 by screws. In addition, the bottom wall of the waterproof cavity 220 is also provided with a ventilation hole 23, and the ventilation hole 23 is provided with a waterproof and breathable film 24. The heat generated by the operation of the motor can be dissipated into the outside air through the waterproof and breathable film, while the water outside And water vapor cannot enter the waterproof cavity through the waterproof breathable membrane.

This embodiment has the same beneficial effects as the above-mentioned embodiments, which will not be repeated here. It should be noted that the solutions of this embodiment can also be applied to other embodiments of the present invention.

Embodiment 4:

As shown in FIG. 7 and FIG. 8 , it is a schematic structural diagram of a fourth embodiment of the present invention. The difference between this embodiment and the first embodiment is that in this embodiment, the groove wall of the installation groove 60 is provided with an internal thread (not shown in the figure), while the rear outer wall of the motor housing 42 is provided with an external thread. Thread (not shown in the figure), the power board assembly 6 is fixed on the motor housing 42 through the thread matching of the inner thread and the outer thread. A second sealing member 8 is further arranged between the outer cup 1 and the base 2 , and the motor is sealed in the installation cavity 10 sealed by the outer cup 1 and the base 2 .

In this embodiment, the power board assembly includes a power board support and a power board fixed on the power board support, wherein the installation slot includes a first installation slot set on the power board and a second installation slot set on the power board support , wherein the inner thread is arranged on the groove wall of the second installation groove. For this embodiment, since the power board bracket is screwed to the motor housing, and the power board is fixed on the power board bracket, the equivalent diameter of the first installation slot is required to be no smaller than that of the second installation slot. Equivalent diameter to facilitate the fixed installation of the power board assembly. Of course, for this embodiment, the power board assembly and the power board can be a power board, and the center of the power board has a protection tube in a through structure, the surrounding wall of the protection tube forms a mounting groove, and the inner thread is arranged on the surrounding wall of the protection tube, The screw fixing of the power supply board and the motor housing can also be realized.

It should be noted that, in this embodiment, the outer cup is sealed with the base, and the power board assembly is sealed in the installation cavity. Of course, the sealing structure of the power board assembly is not limited to the solution in this embodiment, and the power board assembly can also pass through The electrical components are sealed by gluing, or the power board components are sealed by box sealing. In addition, the above-mentioned structural changes of this embodiment can also be applied to other embodiments of the present invention.

Those skilled in the art should understand that the present invention includes but is not limited to the content described in the accompanying drawings and the above detailed description. Any modifications that do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the claims.

Claims (10)

1. A food processor, characterized in that: comprising: The outer cup is in the form of up and down through the structure; The base is installed on the bottom of the outer cup to close the bottom of the outer cup; The inner cup is installed in the outer cup, and a crushing cavity is formed inside; The motor is installed at the bottom of the inner cup, and the rotating shaft driven by the motor penetrates the inner cup and extends into the crushing cavity; The crushing device is located in the crushing cavity and installed at the end of the rotating shaft; The power board assembly is installed in the installation cavity enclosed by the outer cup, the inner cup and the base, and the power board assembly is provided with a mounting groove into which the motor housing can be inserted, and the power board assembly is laterally installed on the power board through the installation groove. On the outside of the motor housing, the motor is electrically connected to the power board assembly. 2. The food processor according to claim 1, characterized in that: at the edge of the installation groove, the power board assembly is provided with a protective tube extending toward the rear end of the motor housing, and the protective tube is sleeved on the motor outside of the housing. 3 . The food processor according to claim 2 , wherein the front end of the protective cylinder extends to the base, a first sealing member is arranged between the protective cylinder and the base, and the rear end of the motor is sealed between the protective cylinder and the base. 4 . In the waterproof cavity formed by the base; Alternatively, a limiting sleeve is sleeved on the outer wall of the motor housing, and the limiting sleeve is pressed against the inner wall of the protective cylinder. 4. The food processor according to claim 1, wherein the inner wall of the outer cup is provided with an inwardly protruding mounting portion, and the power board assembly is fixed on the mounting portion; Alternatively, the bottom of the inner cup is provided with a motor mounting seat, and the motor and the power board assembly are both fixed on the motor mounting seat; Alternatively, a heat insulating support is provided between the inner cup and the power board assembly, and the power board assembly is hoisted on the heat insulating support; Alternatively, the power board assembly is hoisted at the bottom of the inner cup; Alternatively, the front side of the power board assembly is arranged facing down; Alternatively, the front side of the power board assembly is disposed upward. 5. The food processor according to claim 1, wherein the installation groove is a through groove, and the motor casing is inserted into the through groove vertically, so that the power board assembly is sleeved on the outer side of the motor casing; Alternatively, the installation slot is a C-shaped slot opened on one side of the power board assembly, and the motor housing is inserted into the C-shaped slot laterally through the opening; Alternatively, the power board assembly includes a plurality of sub-boards arranged around the peripheral wall of the motor housing, and the sub-board is provided with a gap corresponding to the outer shape of the motor housing, and the installation slot is formed by splicing the gaps of the plurality of sub-boards . 6 . The food processor according to claim 1 , wherein an annular rib extending upward is provided on the base, and the rear end of the motor housing is located in a waterproof cavity formed by the annular rib. 7 . 7 . The food processor according to claim 6 , wherein a limit rib abutting against the outer wall of the motor housing is provided on the peripheral wall of the waterproof cavity. 8 . 8 . The food processor according to claim 1 , wherein the radial gap between the edge of the installation groove and the outer wall of the motor housing is G, wherein G is at least 1 mm. 9 . 9 . The food processor according to claim 1 , wherein an internal thread is provided on the groove wall of the installation groove, and an external thread matched with the internal thread is provided on the outer wall of the motor housing, so the The power board assembly is fixed on the motor housing through screw fitting. 10. The food processor of claim 9, wherein the power board assembly comprises a power board support and a power board mounted on the power board support, and the mounting slot comprises a first mounting hole disposed on the power board a slot and a second installation slot arranged on the power board bracket, the equivalent diameter of the first installation slot is not less than the equivalent diameter of the second installation slot, wherein the inner thread is arranged on the slot wall of the second installation slot; Alternatively, the power board assembly is a power board, and the center of the power board has a protective tube in a through structure, the protective tube encloses a mounting groove, and the inner thread is provided on the inner wall of the protective tube.

Images