Convenient-to-replace control circuit board for kitchen appliance

Abstract

The utility model relates to the technical field of control circuit boards, and discloses a kitchen electric appliance control circuit board convenient to replace, which comprises a first mounting plate, a control circuit board body and a second mounting plate, the upper end of the first mounting plate is in threaded connection with the second mounting plate, and the lower end of the second mounting plate is provided with a sliding fixing plate in an inserted and matched manner; a control circuit board body is mounted between the first mounting plate and the sliding fixing plate in an inserted mode, a special-shaped matching rod is mounted between the sliding fixing plate and the second mounting plate, and the special-shaped matching rod and the sliding fixing plate are sleeved with springs. When the fixing cap is pressed downwards to fix the control circuit board body, the fixing cap is rotated by 90 degrees to enable the plane of the upper end of the trapezoidal fixing block to be attached to the surface of the upper end of the interior of the second mounting plate for fixation; the fixing cap is rotated to the position of the second connecting hole, the special-shaped matching rod is popped out to be separated from the control circuit board body through elasticity of the spring, and the control circuit board body is taken out for replacement.

Description

Technical Field

[0001] This utility model relates to the field of control circuit board technology, specifically to a control circuit board for kitchen appliances that is easy to replace. Background Technology

[0002] A control circuit board, also known as a control board or main control board, is a core component of an electronic device. It is responsible for managing and controlling the communication and data transmission between various components in the electronic device. Control circuit boards typically integrate components such as microprocessors, memory, and input / output interfaces to execute user instructions and process data information.

[0003] This utility model adopts a modular design to facilitate repair and maintenance, allowing for easy replacement of damaged circuit boards. It features quick connection and disassembly interfaces, reducing repair costs and time while improving the reliability and lifespan of the equipment. Therefore, we propose an easy-to-replace control circuit board for kitchen appliances. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides an easily replaceable control circuit board for kitchen appliances, thus solving the aforementioned problems.

[0006] (II) Technical Solution

[0007] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a replaceable control circuit board for kitchen appliances, comprising a first mounting plate, a control circuit board body, and a second mounting plate. The upper end of the first mounting plate is threadedly connected to the second mounting plate, and the lower end of the second mounting plate is fitted with a sliding fixing plate. The control circuit board body is fitted between the first mounting plate and the sliding fixing plate. A non-circularly shaped mating rod is installed between the sliding fixing plate and the second mounting plate, and a spring is sleeved on the lower end of the non-circularly shaped mating rod and the upper end of the sliding fixing plate.

[0008] Preferably, the lower inner sides of the second mounting plate are provided with rectangular sliding grooves, and the two ends of the sliding fixing plate are provided with rectangular sliding blocks. The sliding blocks are inserted and fitted into the lower end of the second mounting plate in accordance with the sliding grooves.

[0009] Preferably, the upper end of the sliding fixing plate is provided with a fixing rod, one end of the spring is sleeved on the fixing rod, and multiple sets of connection holes are provided on the sliding fixing plate. The four ends of the irregularly shaped mating rod are integrally formed with cylindrical circuit board fixing rods, which are respectively inserted into the multiple sets of connection holes.

[0010] Preferably, a fixing cap connecting rod is integrally formed at the lower end of the central shaft of the irregularly shaped mating rod, the lower end of the fixing cap connecting rod is inserted into the upper end of the spring, and a fixing cap connecting rod is integrally formed at the upper end of the central shaft of the irregularly shaped mating rod, with a fixing cap sleeved on the fixing cap connecting rod.

[0011] Preferably, the second mounting plate has a second connecting hole inside, and the upper end of the fixing cap passes through the second mounting plate corresponding to the second connecting hole. A trapezoidal fixing block in the shape of a right trapezoid is integrally formed on the cylindrical surface of the fixing cap.

[0012] Preferably, a rectangular sliding groove is formed on the upper end face of both sides of the first mounting plate, and two threaded holes are formed on the sliding groove. A slider is integrally formed on both sides of the lower end of the second mounting plate, and two threaded holes are formed on the slider. The threaded holes on the sliding groove correspond to the threaded holes on the slider and are connected by screw threads.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides an easily replaceable control circuit board for kitchen appliances, which has the following advantages:

[0015] 1. The kitchen appliance uses a control circuit board that is easy to replace. A sliding fixing plate is inserted and fitted at the lower end of the second mounting plate. A non-circuit-shaped fitting rod is installed between the sliding fixing plate and the second mounting plate. The circuit board fixing rod at the lower end of the non-circuit-shaped fitting rod is inserted and fitted into a corresponding connection hole. A fixing rod is provided on the sliding fixing plate. A spring is sleeved on the fixing rod, and the spring fitting rod at the lower end of the non-circuit-shaped fitting rod is inserted into the upper end of the spring.

[0016] 2. The kitchen appliance uses a control circuit board that is easy to replace. The upper end of the irregularly shaped mating rod is fitted with a fixing cap. The cylindrical surface of the fixing cap is provided with a trapezoidal fixing block in the shape of a right angle trapezoid. The control circuit board body is inserted and installed between the first mounting plate and the sliding fixing plate. The control circuit board body has multiple sets of fixing holes. The fixing cap is pressed down by the elasticity of the spring. The circuit board fixing rod is respectively connected to the first fixing hole and the fixing holes on the control circuit board body to fix the control circuit board body between the first mounting plate and the sliding fixing plate.

[0017] 3. This kitchen appliance uses a control circuit board that is easy to replace. When the fixing cap is pressed down to fix the control circuit board body, the fixing cap is rotated 90 degrees to fit the upper plane of the trapezoidal fixing block with the upper surface of the inner side of the second mounting plate for fixation. If it is necessary to replace the control circuit board body, rotate the fixing cap to the second connection hole position and use the elasticity of the spring to pop out the irregular mating rod and separate it from the control circuit board body. Then, remove the control circuit board body for replacement. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is an exploded view of the structure of this utility model;

[0020] Figure 3 This is a cross-sectional view of the structure of this utility model;

[0021] Figure 4 for Figure 3 A magnified view of part A in the diagram.

[0022] Figure 5 This is a schematic diagram of the second mounting plate structure of this utility model;

[0023] Figure 6 This is a schematic diagram of the fixed cap structure of this utility model;

[0024] Figure 7 This is a schematic diagram of the irregular mating rod structure of this utility model.

[0025] In the diagram: 1. First mounting plate; 2. Control circuit board body; 3. Sliding fixing plate; 4. Irregularly shaped mating rod; 5. Fixing cap; 6. Second mounting plate; 7. Screw; 8. Spring; 9. Slide groove one; 10. Connecting hole one; 11. Slider; 12. Connecting hole two; 13. Slide groove two; 14. Trapezoidal fixing block; 15. Fixing cap connecting rod; 16. Spring mating rod; 17. Circuit board fixing rod. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-7 A replaceable control circuit board for kitchen appliances includes a first mounting plate 1, a control circuit board body 2, and a second mounting plate 6. The upper end of the first mounting plate 1 is threadedly connected to the second mounting plate 6, and the lower end of the second mounting plate 6 is fitted with a sliding fixing plate 3. The control circuit board body 2 is fitted between the first mounting plate 1 and the sliding fixing plate 3. A non-circularly shaped mating rod 4 is installed between the sliding fixing plate 3 and the second mounting plate 6. A spring 8 is sleeved on the lower end of the non-circularly shaped mating rod 4 and the upper end of the sliding fixing plate 3.

[0028] Furthermore, rectangular grooves 13 are provided on both sides of the lower end of the second mounting plate 6, and rectangular sliding blocks are provided at both ends of the sliding fixing plate 3. The sliding blocks are inserted and fitted into the lower end of the second mounting plate 6 in accordance with the grooves 13.

[0029] Furthermore, the upper end of the sliding fixing plate 3 is provided with a fixing rod, one end of the spring 8 is sleeved on the fixing rod, and multiple sets of connection holes 10 are opened on the sliding fixing plate 3. The four ends of the irregularly shaped mating rod 4 are integrally formed with cylindrical circuit board fixing rods 17, which are inserted into multiple sets of connection holes 10 respectively.

[0030] Furthermore, a fixing cap connecting rod 15 is integrally formed at the lower end of the central shaft of the irregularly shaped mating rod 4. The lower end of the fixing cap connecting rod 15 is inserted into the upper end of the spring 8. A fixing cap connecting rod 15 is integrally formed at the upper end of the central shaft of the irregularly shaped mating rod 4. A fixing cap 5 is sleeved on the fixing cap connecting rod 15.

[0031] Furthermore, the second mounting plate 6 has a second connection hole 12 inside, and the upper end of the fixing cap 5 passes through the second mounting plate 6 corresponding to the second connection hole 12. The fixing cap 5 has a trapezoidal fixing block 14 integrally formed on the cylindrical surface of the fixing cap 5.

[0032] Furthermore, rectangular grooves 9 are provided on the upper end faces of both sides of the first mounting plate 1, and two threaded holes are provided on the grooves 9. Slider 11 is integrally formed on the lower end faces of the second mounting plate 6, and two threaded holes are provided on the slider 11. The threaded holes on the grooves 9 correspond to the threaded holes on the slider 11 and are threadedly connected with screws 7.

[0033] Working principle: A sliding fixing plate 3 is inserted and fitted onto the lower end of the second mounting plate 6. A non-circuit-shaped fitting rod 4 is installed between the sliding fixing plate 3 and the second mounting plate 6. The circuit board fixing rod 17 at the lower end of the non-circuit-shaped fitting rod 4 is inserted and fitted into the corresponding connection hole 10. A fixing rod is provided on the sliding fixing plate 3, and a spring 8 is sleeved on the fixing rod. The spring fitting rod 16 at the lower end of the non-circuit-shaped fitting rod 4 is inserted into the upper end of the spring 8. A fixing cap 5 is sleeved on the upper end of the non-circuit-shaped fitting rod 4. A trapezoidal fixing block 14 with a right angle trapezoidal shape is provided on the cylindrical surface of the fixing cap 5. A control circuit board body 2 is inserted and fitted between the first mounting plate 1 and the sliding fixing plate 3. The control circuit board body 2 has multiple sets of fixing holes. The fixing cap 5 is pressed down by the elasticity of the spring 8. The circuit board fixing rod 17 is respectively connected to the first connecting hole 10 and the fixing hole on the control circuit board body 2 to fix the control circuit board body 2 between the first mounting plate 1 and the sliding fixing plate 3. While the fixing cap 5 is pressed down to fix the control circuit board body 2, the fixing cap 5 is rotated 90 degrees to make the upper plane of the trapezoidal fixing block 14 fit with the upper inner surface of the second mounting plate 6 for fixation. If the control circuit board body 2 needs to be replaced, the fixing cap 5 is rotated to the position of the second connecting hole 12 and the elasticity of the spring 8 is used to pop out the irregular mating rod 4 to separate it from the control circuit board body 2. The control circuit board body 2 can then be removed for replacement.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A replaceable control circuit board for kitchen appliances, comprising a first mounting plate (1), a control circuit board body (2), and a second mounting plate (6), characterized in that: The upper end of the first mounting plate (1) is threadedly connected to the second mounting plate (6), and the lower end of the second mounting plate (6) is fitted with a sliding fixing plate (3). The control circuit board body (2) is inserted between the first mounting plate (1) and the sliding fixing plate (3). A non-circular fitting rod (4) is installed between the sliding fixing plate (3) and the second mounting plate (6). A spring (8) is sleeved on the lower end of the non-circular fitting rod (4) and the upper end of the sliding fixing plate (3).

2. The easily replaceable control circuit board for kitchen appliances according to claim 1, characterized in that: The second mounting plate (6) has rectangular sliding grooves (13) on both sides of its lower interior. The sliding fixing plate (3) has rectangular sliding blocks at both ends. The sliding blocks are inserted into the lower end of the second mounting plate (6) in a position corresponding to the sliding grooves (13).

3. The easily replaceable control circuit board for kitchen appliances according to claim 2, characterized in that: The upper end of the sliding fixing plate (3) is provided with a fixing rod, one end of the spring (8) is sleeved on the fixing rod, and multiple sets of connection holes (10) are opened on the sliding fixing plate (3). The four ends of the irregular fitting rod (4) are integrally formed with cylindrical circuit board fixing rods (17), which are inserted into multiple sets of connection holes (10).

4. The easily replaceable control circuit board for kitchen appliances according to claim 3, characterized in that: The lower end of the central shaft of the irregularly shaped mating rod (4) is integrally formed with a fixing cap connecting rod (15), the lower end of the fixing cap connecting rod (15) is inserted into the upper end of the spring (8), the upper end of the central shaft of the irregularly shaped mating rod (4) is integrally formed with a fixing cap connecting rod (15), and a fixing cap (5) is sleeved on the fixing cap connecting rod (15).

5. The easily replaceable control circuit board for kitchen appliances according to claim 1, characterized in that: The second mounting plate (6) has a second connecting hole (12) inside. The upper end of the fixing cap (5) passes through the second mounting plate (6) corresponding to the second connecting hole (12). The fixing cap (5) has a trapezoidal fixing block (14) integrally formed on the cylindrical surface of the fixing cap (5).

6. The easily replaceable control circuit board for kitchen appliances according to claim 1, characterized in that: The upper ends of both sides of the first mounting plate (1) are provided with rectangular sliding grooves (9), and two threaded holes are provided on the sliding grooves (9). The lower ends of the second mounting plate (6) are integrally formed with sliders (11), and two threaded holes are provided on the sliders (11). The threaded holes on the sliding grooves (9) correspond to the threaded holes on the sliders (11) and are threadedly connected with screws (7).

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