Circuit mainboard mounting structure and kitchen waste processor

Abstract

The utility model provides a circuit mainboard mounting structure, which comprises a motor and a circuit mainboard, and further comprises a bottom plate and a protective cover, a plurality of convex fixing columns are arranged on a motor rear end cover at the bottom of the motor, the bottom plate is detachably and fixedly connected with the fixing columns, the circuit mainboard is arranged on the bottom plate, and the protective cover is arranged on the bottom plate. The circuit mainboard is arranged between the motor rear end cover and the bottom plate, the protective cover is connected with the motor rear end cover, two ends of the protective cover are provided with openings, and the fixing column, the circuit mainboard and the bottom plate are all arranged in the protective cover. By optimizing the mounting structure of the circuit main board, the mounting and dismounting efficiency of the circuit main board can be effectively improved, and the working efficiency of mounting and replacing the circuit main board can be effectively improved by applying the mounting structure of the circuit main board to the kitchen garbage processor.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen waste disposers, and in particular to a circuit mainboard mounting structure and a kitchen waste disposer. Background Art

[0002] A food waste disposer is a modern, environmentally friendly household appliance. It is installed at the bottom of the kitchen sink and its drain outlet is connected to the drainage pipe. The food waste disposer can be used to grind and crush food waste in a timely and convenient manner and discharge it through the drainage pipe, thereby effectively preventing food waste from breeding bacteria and producing odors in the kitchen.

[0003] At present, the circuit board of the existing food waste disposer is usually arranged at the bottom of the food waste disposer, such as the attached Figure 1-2 As shown, the circuit main board is arranged on the rear end cover of the motor and is located inside the motor steel cylinder, so that the purpose of saving space and achieving waterproofing can be achieved. However, such a circuit main board installation structure has the following disadvantages: when the rear end cover of the motor needs to be removed, the front end cover of the motor and the stator, rotor, coil and other components in the motor steel cylinder need to be removed first. Therefore, once the circuit main board of the kitchen waste disposer fails and needs to be repaired, the front end cover of the motor in the kitchen waste disposer and the stator, rotor, coil and other components in the motor steel cylinder need to be removed before the circuit main board can be repaired. In addition, it is also troublesome to reinstall the circuit main board, which results in a time-consuming and labor-intensive repair process and low work efficiency.

[0004] Therefore, it is necessary to provide a new circuit mainboard installation structure to effectively improve the installation and disassembly efficiency of the circuit mainboard of the food waste disposer. Utility Model Content

[0005] Based on the above situation, the utility model provides a circuit mainboard installation structure and a food waste disposer that overcome the above technical problems or at least partially solve the above problems.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A circuit mainboard mounting structure includes a motor and a circuit mainboard, and also includes a base plate and a protective cover. A plurality of protruding fixing parts are arranged on the rear end cover of the motor at the bottom of the motor, and the base plate and the fixing parts are detachably fixedly connected. The circuit mainboard is arranged on the base plate, and the circuit mainboard is located between the rear end cover of the motor and the base plate. The protective cover is connected to the rear end cover of the motor, and both ends of the protective cover have openings. The fixing parts, the circuit mainboard and the base plate are all located in the protective cover.

[0008] Preferably, the fixing member is a fixing column, a screw hole is provided on the fixing column, and the base plate is fixedly connected to the fixing column by bolts / screws.

[0009] Preferably, screw holes are arranged around the rear end cover of the motor, and the protective cover is fixedly connected to the rear end cover of the motor by bolts / screws.

[0010] Preferably, a fixing piece is provided at the top of the side of the protective cover facing the rear end cover of the motor, and the fixing piece is provided with through holes for bolts / screws to pass through and grooves or through holes for the fixing columns to pass through.

[0011] The protective cover is circular, and the fixing piece and the side wall of the protective cover are an integrally formed structure.

[0012] The side wall of the protective cover is provided with a reinforcing rib for strengthening the connection with the fixing piece, and the reinforcing rib is connected to both the side wall of the protective cover and the fixing piece.

[0013] Preferably, the fixing member and the side wall of the protective cover are perpendicular to each other; and / or

[0014] The reinforcing rib and the fixing member are perpendicular to each other.

[0015] Preferably, the fixing column and the rear end cover of the motor are an integrally formed structure, or the fixing column is fixedly connected to the rear end cover of the motor by welding, clamping, or bolts / screws.

[0016] Preferably, the protective cover is made of plastic or metal; and / or

[0017] The base plate is made of plastic or metal, or the fixing column is made of metal.

[0018] A food waste disposer is provided with the circuit mainboard mounting structure as described above.

[0019] The beneficial effects of the utility model include: by optimizing the installation structure of the circuit main board, the installation and disassembly efficiency of the circuit main board can be effectively improved, and the circuit main board installation structure is applied to the food waste disposer, which can effectively improve the work efficiency of installing and replacing the circuit main board. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic three-dimensional diagram of the installation structure of a circuit mainboard in a food waste disposer in the prior art;

[0021] Figure 2 It is a component exploded view of the mounting structure of the circuit mainboard in the food waste disposer in the prior art;

[0022] Figure 3It is a component exploded view of the circuit mainboard mounting structure described in Example 1;

[0023] Figure 4 It is a three-dimensional schematic diagram of the circuit mainboard installation structure described in Example 1;

[0024] Figure 5 for Figure 4 A schematic diagram of the structure behind the protective cover is hidden;

[0025] Figure 6 This is a schematic diagram of the structure of the rear end cover of the motor described in Example 1;

[0026] Figure 7 This is a schematic diagram of the installation structure of the protective cover on the motor in the first embodiment;

[0027] Figure 8 This is a schematic diagram of the top view of the protective cover described in Example 1;

[0028] Fig. 9 This is a schematic diagram of the three-dimensional structure of the protective cover described in Example 1;

[0029] Fig.10 This is a schematic diagram of the exploded structure of the components of the circuit board on the bottom plate described in Example 1;

[0030] Fig.11 It is a schematic diagram of the three-dimensional structure of the food waste disposer of the second embodiment.

[0031] in:

[0032] 100, motor; 110, rear end cover of motor; 111, fixing column; 120, motor shaft; 130, shaft hole; 200, circuit board; 300, bottom plate; 400, protective cover; 410, fixing piece; 420, reinforcing rib; 500, power cord. DETAILED DESCRIPTION

[0033] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0034] Embodiment 1

[0035] This embodiment 1 provides a circuit mainboard installation structure, as shown in the attached Figure 3-10As shown, it includes a motor 100 and a circuit board 200, a bottom plate 300 and a protective cover 400. A plurality of protruding fixing members are arranged on the rear end cover 110 of the motor at the bottom of the motor. In this embodiment, the fixing member is preferably a fixing column 111. The bottom plate 300 is detachably fixedly connected with the fixing column 111. The circuit board 200 is arranged on the bottom plate 300, and the circuit board 200 is located between the rear end cover 110 of the motor and the bottom plate 300. The protective cover 400 is connected with the rear end cover 110 of the motor. Both ends of the protective cover 400 have openings. The fixing column 111, the circuit board 200 and the bottom plate 300 are all located in the protective cover 400. In a specific embodiment, corresponding screw holes are arranged on the bottom plate 300, and the circuit board 200 is arranged on the bottom plate 300 by bolts / screws. The circuit board 200 is electrically connected to the motor through a wire, specifically, it is electrically connected to the coil in the steel cylinder of the motor. In practical applications, the fixing member may be a member of other shapes or fixing methods, as long as it can realize the function of detachably fixing the base plate 300 to the rear end cover 110 of the motor.

[0036] In this embodiment, a fixing column 111 is set on the rear end cover 110 of the motor, and the circuit main board 200 is set on the base plate 300, and then the base plate 300 is detachably connected to the fixing column 111, and then the circuit main board 200 and the bottom are enclosed and protected by a protective cover 400. Through such a setting structure, the circuit main board 200 can be easily disassembled and installed from the rear end cover 110 of the motor.

[0037] In a preferred embodiment, the fixing column 111 is provided with a screw hole, and the bottom plate 300 is fixedly connected to the fixing column 111 by bolts / screws, that is, the detachable fixed connection is achieved by the bolts / screws cooperating with the screw holes. Figure 5 , Figure 6 Specifically, in this embodiment, the number of the fixed columns 111 is 4. In practice, the number of the fixed columns 111 can be set according to actual needs, such as 3, 6, etc. The number of the fixed columns 111 is preferably in the range of 3-6.

[0038] In this embodiment, the material of the motor rear end cover 110 is metal, and the material of the fixing column 111 is also preferably metal. The fixing column 111 and the motor rear end cover 110 can be an integrally formed structure, or the motor rear end cover 110 and the fixing column 111 can be independent components. The fixing column 111 can be fixedly connected to the motor rear end cover 110 by welding, clamping, or bolt / screw fixing. In addition, screw holes are provided around the motor rear end cover 110, and the protective cover 400 is fixedly connected to the motor rear end cover 110 by bolts / screws. An axial hole 130 is provided in the center of the motor rear end cover 110, and the lower end of the motor shaft 120 extends through the axial hole 130 to the bottom of the motor rear end cover 110, as shown in the attached Figure 3 and Figure 6 shown.

[0039] In a preferred embodiment, as shown in the attached Figure 7-9 As shown, a fixing member 410 is provided on the top of the side of the protective cover 400 facing the motor rear end cover 110, and the fixing member 410 is provided with a through hole for bolts / screws to pass through and a groove or through hole for the fixing column 111 to pass through. The protective cover 400 is detachably fixedly connected to the motor rear end cover 110 by bolts / screws, as shown in the attached Figure 7 As shown; the protective cover 400 is preferably circular, and its shape is adapted to the shape of the motor. In addition, the material of the protective cover 400 can be plastic or metal. In this embodiment, the material of the protective cover 400 is preferably plastic.

[0040] In a specific embodiment, the fixing member 410 and the side wall of the protective cover 400 are an integrally formed structure. Preferably, the side wall of the protective cover 400 is provided with a reinforcing rib 420 for reinforcing the connection with the fixing member 410, the reinforcing rib 420 is connected to both the side wall of the protective cover 400 and the fixing member 410, and the reinforcing rib 420 is arranged around the side wall of the protective cover 400; the fixing member 410 and the side wall of the protective cover 400 are perpendicular to each other, and the reinforcing rib 420 and the fixing member 410 are perpendicular to each other, as shown in the attached figure. Figure 8-9 shown.

[0041] In a preferred embodiment, as shown in the attached Fig.10As shown, the circuit main board 200 is detachably fixedly connected to the bottom plate 300 by bolts / screws, which facilitates the installation and removal of the circuit main board 200. The material of the bottom plate 300 is plastic or metal. If the bottom plate 300 is set to be a metal material, it can be used as a heat sink for the circuit main board 200; if the bottom plate is set to be a plastic material, the cost can be reduced; the bottom plate 300 is provided with corresponding through holes or openings, so that the corresponding switches on the circuit main board 200 can pass through the through holes or openings, which is convenient for users to operate the switches. In addition, the power cord 500 also passes through the corresponding through holes or openings on the bottom plate 300 to be electrically connected to the circuit main board 200, as shown in the attached Figure 5 shown.

[0042] Embodiment 2

[0043] This embodiment provides a food waste disposer, which is provided with the circuit mainboard mounting structure as described in the first embodiment.

[0044] In this embodiment, the outer shell of the food waste disposer includes an upper shell and a lower shell, and the upper and lower shells are detachably fixedly connected by bolts / screws, wherein the bottom of the lower shell is detachably fixedly connected to the base plate 300 by bolts / screws, so that the outer shell can be easily removed, and then the base plate 300 and the circuit main board 200 can be easily removed.

[0045] The food waste disposer in this embodiment adopts the above-mentioned circuit main board 200 installation structure, so that the staff can easily install and disassemble the circuit main board 200. If the food waste disposer fails or the product circuit needs to be upgraded, it is only necessary to remove the outer shell of the food waste disposer to quickly and conveniently disassemble and repair the circuit main board 200 or quickly and conveniently replace the circuit main board 200, thereby effectively improving work efficiency.

[0046] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Within the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by technicians familiar with the technical field should be included in the protection scope of the present invention. The "first", "second", etc. in this article are only used to distinguish in the description and have no special meaning.

[0047] It should be stated that the above-mentioned specific implementation methods are only preferred embodiments of the present utility model and the technical principles used. Within the technical scope disclosed by the present utility model, any changes or substitutions that can be easily thought of by technicians familiar with this technical field should be included in the protection scope of the present utility model.

Claims

1. A circuit mainboard mounting structure, comprising a motor and a circuit mainboard, characterized in that: It also includes a base plate and a protective cover. A plurality of protruding fixing parts are arranged on the rear end cover of the motor at the bottom of the motor. The base plate and the fixing parts are detachably fixedly connected. The circuit main board is arranged on the base plate, and the circuit main board is located between the rear end cover of the motor and the base plate. The protective cover is connected to the rear end cover of the motor, and both ends of the protective cover have openings. The fixing parts, the circuit main board and the base plate are all located in the protective cover.

2. The circuit mainboard mounting structure according to claim 1, characterized in that: The fixing member is a fixing column, a screw hole is arranged on the fixing column, and the base plate is fixedly connected to the fixing column by bolts / screws.

3. The circuit mainboard mounting structure according to claim 1, characterized in that: The periphery of the rear end cover of the motor is provided with screw holes, and the protective cover is fixedly connected to the rear end cover of the motor by bolts / screws.

4. The circuit mainboard mounting structure according to claim 2, characterized in that: A fixing piece is arranged at the top of the side of the protective cover facing the rear end cover of the motor, and the fixing piece is provided with through holes for bolts / screws to pass through and grooves or through holes for the fixing columns to pass through.

5. The circuit mainboard mounting structure according to claim 4, characterized in that: The protective cover is circular, and the fixing piece and the side wall of the protective cover are an integrally formed structure.

6. The circuit mainboard mounting structure according to claim 4, characterized in that: The side wall of the protective cover is provided with a reinforcing rib for strengthening the connection with the fixing piece, and the reinforcing rib is connected to both the side wall of the protective cover and the fixing piece.

7. The circuit mainboard mounting structure according to claim 6, characterized in that: The fixing member and the side wall of the protective cover are perpendicular to each other; and / or The reinforcing rib and the fixing member are perpendicular to each other.

8. The circuit mainboard mounting structure according to claim 2, characterized in that: The fixing column and the rear end cover of the motor are an integrally formed structure, or the fixing column is fixedly connected to the rear end cover of the motor by welding, clamping, or bolts / screws.

9. The circuit mainboard mounting structure according to claim 2, characterized in that: The protective cover is made of plastic or metal; and / or The base plate is made of plastic or metal, and the fixing column is made of metal.

10. A kitchen waste disposer, characterized in that: The food waste disposer is provided with a circuit mainboard mounting structure as described in any one of claims 1-9.

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