PCBA mainboard of wireless charger

By designing a combination of sliding and spring, the charging efficiency and heat dissipation effect problems caused by dust accumulation of PCBA motherboard of wireless charger are solved, effectively cleaning and fixing of the motherboard, improving charging efficiency and heat dissipation effect, and simplifying the installation process .

CN222339839UActive Publication Date: 2025-01-10SHENZHEN TIANJI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420758294.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-01-10
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

Wireless charger PCBA motherboard is prone to accumulation of dust after long-term use, resulting in a decrease in charging efficiency and deterioration of heat dissipation effect.

Method used

A structure including a bottom shell, cover plate, spring and sliding components is designed. Through the cooperation of sliding and spring, the main board can be disassembled and cleaned, and the charging efficiency can be improved. The main board is fixed by clamping the fixing plate to prevent damage and Easy to install.

Benefits of technology

It realizes effective cleaning of the motherboard, improves charging efficiency and heat dissipation effect, and prevents the motherboard from being damaged by external impacts, and simplifies the installation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wireless chargers, and discloses a wireless charger PCBA mainboard which comprises a bottom shell, a first sliding groove is formed in the bottom shell, a supporting column is fixedly connected to the inner wall of the bottom shell, a clamping block is fixedly connected to the outer wall of the supporting column, a cover plate is arranged on the upper surface of the bottom shell, and the clamping block is fixedly connected to the outer wall of the supporting column. A second sliding groove is formed in the cover plate, a first spring is arranged in the cover plate, one end of the first spring is fixedly connected with a clamping plate, a third sliding groove is formed in the cover plate, a sliding column is arranged in the cover plate, and a pressure block is fixedly connected to the outer wall of the sliding column. According to the utility model, after the sliding column is pulled to drive the pressure block to slide out of the first sliding groove, the pressure block reaches the outer wall of the clamping plate to push the clamping plate, the clamping plate slides to leave the lower surface of the clamping block, and finally the cover plate ascends to leave the bottom shell, so that the effects of conveniently cleaning dust on the mainboard and improving the charging efficiency and the heat dissipation efficiency can be achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of wireless chargers, in particular to a PCBA mainboard of a wireless charger. Background Art

[0002] The motherboard is usually called the main board or motherboard. It is one of the most critical parts of a computer or other complex electronic system. It is a large printed circuit board (PCB). The wireless charger PCBA motherboard (Printed Circuit Board Assembly) is a circuit board used to realize the wireless charging function. It contains a series of electronic components, which are assembled together through the wires and connection points on the printed circuit board, and finally installed inside the wireless charger shell for use.

[0003] After searching, the announcement number: CN215452546U discloses a PCBA motherboard for a wireless charger, including a PCBA motherboard, metal blocks are installed at the four corners of the PCBA motherboard, and the lower ends of the metal blocks are vertically installed with plug rods, and the two sides of the top surface of the PCBA motherboard are installed with fixed strips, and the top surface of the fixed strips is provided with a plurality of slide grooves, and sliders are movably installed in the slide grooves, and the top surfaces of the sliders are convex to form an arc-shaped portion, and a plurality of support rods are installed in the middle of the fixed strips through movable hinges, and a driving mechanism for driving the sliders to move synchronously is installed in the slide grooves, and a linkage mechanism is installed on one side of the driving mechanism. The utility model has a simple structure, and the PCBA motherboard can be positioned by the plug rod, and the support rod lifted upward synchronously can resist the top surface inside the shell, and the PCBA motherboard can be directly pressed up and down, and the support rod lifted upward can support the middle part of the shell, thereby ensuring the firmness of the middle part of the shell.

[0004] In the above application, the support rod that is lifted upward synchronously can resist the top surface inside the shell, and can directly press the PCBA mainboard up and down. The support rod that is lifted upward can support the middle part of the shell to ensure the firmness of the middle part of the shell. However, it does not take into account that dust will enter and accumulate on the PCBA mainboard of the wireless charger after long-term use, which will lead to a decrease in the charging efficiency and heat dissipation effect of the mainboard. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a wireless charger PCBA mainboard, which aims to improve the problem that dust accumulation on the wireless charger PCBA mainboard will lead to a decrease in the charging efficiency and heat dissipation effect of the mainboard.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The cam is configured to engage the outer wall of the support frame and the outer wall of the support frame is connected to the support frame by the spring, and the cam is configured to engage the outer wall of the support frame and the outer wall of the support frame is connected to the support frame by the spring.

[0008] Preferably, the sliding buckle assembly comprises a sliding plate, the outer wall of the sliding plate is slidably connected to the inside of the bottom shell, and a heart-shaped groove is provided inside the sliding plate.

[0009] Preferably, the outer wall of the slide column is arranged inside the first slide groove, and the outer wall of the pressure block is arranged inside the first slide groove.

[0010] Preferably, a clamping shaft is fixedly connected to the interior of the bottom shell, and a rotating column is rotatably connected to the outer wall of the clamping shaft.

[0011] Preferably, the outer wall of the rotating column is rotatably connected to the inside of the bottom shell, the outer wall of the rotating column is fixedly connected to a clamping column, and the outer wall of the clamping column is slidably connected to the inside of the heart-shaped groove.

[0012] Preferably, a second spring is fixedly connected to the outer wall of the slide plate.

[0013] Preferably, one end of the second spring is arranged on the inner wall of the bottom shell, and the outer wall of the slide plate is fixedly connected with a connecting plate.

[0014] Preferably, the outer wall of the connecting plate is fixedly connected to a fixing plate, and the outer wall of the fixing plate is provided with a main board body.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, after the slide column is pulled to slide and drive the pressure block to slide out of the first slide groove, the outer wall of the card plate pushes the card plate, and the card plate slides into the second slide groove to compress the first spring. The card plate slides away from the lower surface of the card block, and finally the cover plate rises and leaves the bottom shell, thereby achieving the effect of conveniently cleaning the dust on the mainboard and improving the charging efficiency and heat dissipation efficiency.

[0017] 2. In the utility model, the fixing plate is pressed down to press the connecting plate to slide, the connecting plate presses down the slide plate to slide, the slide plate drives the clamping column to descend inside the heart-shaped groove and then drives the rotating column to rotate slightly, and finally the second spring rebounds to push the slide plate to slide, and the slide plate pushes the fixing plate to clamp and fix the main board body, thereby preventing the main board from being damaged by external factors such as impact.

[0018] 3. In the utility model, the sliding column is pulled to drive the pressure block to push the card plate, and the card plate slides away from the lower surface of the card block, so that the cover plate rises and leaves the bottom shell, and the fixed plate is pressed down to press the slide plate to slide, and the card column descends inside the heart-shaped groove, and finally the second spring rebounds to push the slide plate to slide, and the slide plate pushes the fixed plate to clamp and fix the main board body, and then the cover plate is covered, so as to achieve the effect of facilitating the installation of the main board. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a wireless charger PCBA motherboard proposed in the utility model;

[0020] Figure 2 This is a cross-sectional view of the bottom shell of a wireless charger PCBA motherboard proposed in the utility model;

[0021] Figure 3 A schematic diagram of a fixing plate of a wireless charger PCBA motherboard proposed in the utility model;

[0022] Figure 4 The present invention is a schematic diagram of a card axis of a wireless charger PCBA motherboard.

[0023] Legend:

[0024] 1. Bottom shell; 2. First slide groove; 3. Support column; 4. Clamp block; 5. Cover plate; 6. Second slide groove; 7. First spring; 8. Clamp plate; 9. Third slide groove; 10. Slide column; 11. Pressure block; 12. Slide plate; 13. Heart-shaped groove; 14. Clamp shaft; 15. Rotating column; 16. Clamp column; 17. Second spring; 18. Connecting plate; 19. Fixed plate; 20. Main board body. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-2, an embodiment provided by the utility model: a wireless charger PCBA motherboard, comprising a bottom shell 1, a first slide groove 2 is opened inside the bottom shell 1, a support column 3 is fixedly connected to the inner wall of the bottom shell 1, a card block 4 is fixedly connected to the outer wall of the support column 3, a cover plate 5 is arranged on the upper surface of the bottom shell 1, a second slide groove 6 is opened inside the cover plate 5, a first spring 7 is arranged inside the cover plate 5, the outer wall of the first spring 7 is slidably connected to the inside of the second slide groove 6, one end of the first spring 7 is fixedly connected to the card plate 8, a third slide groove 9 is opened inside the cover plate 5, the outer wall of the card plate 8 is slidably connected to the inside of the third slide groove 9, the lower surface of the card block 4 is arranged on the upper surface of the card plate 8, a slide column 10 is arranged inside the cover plate 5, the outer wall of the slide column 10 is slidably connected to the outer wall of the card plate 8, the outer wall of the slide column 10 is slidably connected to the inside of the third slide groove 9, the outer wall of the slide column 10 is fixedly connected to the pressure block 11, and a slide buckle assembly is arranged inside the bottom shell 1;

[0027] Specifically, the slide column 10 is pulled to slide, and when the slide column 10 slides, it drives the pressure block 11 to slide out of the first slide groove 2, and the pressure block 11 slides to the outer wall of the card plate 8 to push the card plate 8, and the card plate 8 slides into the second slide groove 6 while compressing the first spring 7. After the card plate 8 slides, its upper surface will leave the lower surface of the card block 4, and then the cover plate 5 can be raised to make the cover plate 5 leave the bottom shell 1, so as to achieve the effect of facilitating the disassembly of the mainboard shell.

[0028] Reference Figure 3-4 The slider assembly includes a slide plate 12, the outer wall of the slide plate 12 is slidably connected to the inside of the bottom shell 1, and a heart-shaped groove 13 is opened inside the slide plate 12; the outer wall of the slide column 10 is arranged inside the first slide groove 2, and the outer wall of the pressure block 11 is arranged inside the first slide groove 2; the inside of the bottom shell 1 is fixedly connected to a card shaft 14, and the outer wall of the card shaft 14 is rotatably connected to a rotating column 15;

[0029] Specifically, the connecting plate 18 presses the slide plate 12 downward to slide, and the slide plate 12 drives the clamping column 16 inside the heart-shaped groove 13 to descend, and the clamping column 16 drives the rotating column 15 to rotate slightly.

[0030] Reference Figure 3-4 The outer wall of the rotating column 15 is rotatably connected to the inside of the bottom shell 1, and the outer wall of the rotating column 15 is fixedly connected to the clamping column 16, and the outer wall of the clamping column 16 is slidably connected to the inside of the heart-shaped groove 13; the outer wall of the slide plate 12 is fixedly connected to the second spring 17; one end of the second spring 17 is arranged on the inner wall of the bottom shell 1, and the outer wall of the slide plate 12 is fixedly connected to the connecting plate 18; the outer wall of the connecting plate 18 is fixedly connected to the fixing plate 19, and the outer wall of the fixing plate 19 is provided with the main board body 20;

[0031] Specifically, the fixed plate 19 slides, and when the fixed plate 19 slides, the connecting plate 18 is pressed down to slide. When the clamping column 16 descends inside the heart-shaped groove 13, the second spring 17 rebounds and pushes the slide plate 12 to slide. The slide plate 12 drives the connecting plate 18 to slide, and the connecting plate 18 pushes the fixed plate 19 to clamp and fix the main board body 20.

[0032] Working principle: When the device is needed, first pull the sliding column 10 inside the cover plate 5. After the sliding column 10 is pulled, it will slide inside the third slide groove 9 and the outer wall of the card plate 8. When the sliding column 10 slides, it drives the pressure block 11 to slide at the same time. When the sliding column 10 and the pressure block 11 slide out of the first slide groove 2, the pressure block 11 is driven to the outer wall of the card plate 8. When the pressure block 11 is driven to the outer wall of the card plate 8, it will push the card plate 8. When the card plate 8 is pushed by the pressure block 11, it will slide inside the third slide groove 9 and enter the second slide groove 6. When the card plate 8 slides to the inside of the second slide groove 6, the first spring 7 will be compressed. When the card plate 8 slides, its upper surface will leave the lower surface of the card block 4, and its outer wall will leave the outer wall of the support column 3. Then the cover plate 5 can be lifted up to make the cover plate 5 leave the upper surface of the bottom shell 1. Finally, the slide column 10 can be taken out from the inside of the cover plate 5, so as to achieve the effect of facilitating the disassembly of the motherboard shell. When the motherboard needs to be clamped and fixed, the motherboard body 20 is placed inside the bottom shell 1, and then the outer wall of the fixing plate 19 is pressed. The fixing plate 19 is fixed to the bottom shell. 1, when the fixing plate 19 slides inside the bottom shell 1, the connecting plate 18 of the outer wall thereof is pressed down, when the outer wall of the connecting plate 18 is pressed down and slides inside the bottom shell 1, the slide plate 12 of the outer wall thereof is pressed down and slides, when the outer wall of the slide plate 12 slides inside the bottom shell 1, the clamping column 16 inside the heart-shaped groove 13 is driven to descend, when the outer wall of the clamping column 16 descends inside the heart-shaped groove 13, the inner wall of the rotating column 15 of the outer wall thereof is driven to rotate slightly on the outer wall of the clamping shaft 14, and finally when the clamping column 16 is in the heart-shaped groove 13, the inner wall of the rotating column 15 of the outer wall thereof is driven to rotate slightly on the outer wall of the clamping shaft 14. When the interior descends, the second spring 17 rebounds to push the slide plate 12 to slide, and the slide plate 12 drives the connecting plate 18 to slide, and the connecting plate 18 drives the fixing plate 19 to clamp and fix the mainboard body 20 on its outer wall, so as to not only facilitate the disassembly of the mainboard shell to facilitate the cleaning of dust on the mainboard to improve the charging efficiency and heat dissipation efficiency, but also achieve the effect of clamping and fixing the mainboard to prevent it from being damaged by external factors such as impact. Finally, the disassembly and assembly of the shell and the fixation of the mainboard can achieve the effect of facilitating the installation of the mainboard.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wireless charger PCBA mainboard, comprising a bottom shell (1), characterized in that: The bottom shell (1) has a first slide groove (2) formed inside, the inner wall of the bottom shell (1) is fixedly connected to a support column (3), the outer wall of the support column (3) is fixedly connected to a clamping block (4), the upper surface of the bottom shell (1) is provided with a cover plate (5), the inside of the cover plate (5) has a second slide groove (6), the inside of the cover plate (5) is provided with a first spring (7), the outer wall of the first spring (7) is slidably connected to the inside of the second slide groove (6), one end of the first spring (7) is fixedly connected to a clamping plate (8), the cover plate (5) is provided with a second slide groove (6) formed inside, the outer wall of the first spring (7) is slidably connected to the inside of the second slide groove (6), one end of the first spring (7) is fixedly connected to the clamping plate (8), and the cover plate (5) is provided with a second slide groove (6) formed inside. A third slide groove (9) is provided inside the plate (5), the outer wall of the card plate (8) is slidably connected inside the third slide groove (9), the lower surface of the card block (4) is arranged on the upper surface of the card plate (8), a slide column (10) is provided inside the cover plate (5), the outer wall of the slide column (10) is slidably connected to the outer wall of the card plate (8), the outer wall of the slide column (10) is slidably connected inside the third slide groove (9), the outer wall of the slide column (10) is fixedly connected to a pressure block (11), and a slide buckle assembly is provided inside the bottom shell (1).

2. A wireless charger PCBA motherboard according to claim 1, characterized in that: The sliding buckle assembly comprises a sliding plate (12), the outer wall of the sliding plate (12) being slidably connected to the inside of the bottom shell (1), and a heart-shaped groove (13) being provided inside the sliding plate (12).

3. A wireless charger PCBA motherboard according to claim 1, characterized in that: The outer wall of the slide column (10) is arranged inside the first slide groove (2), and the outer wall of the pressure block (11) is arranged inside the first slide groove (2).

4. A wireless charger PCBA motherboard according to claim 1, characterized in that: The interior of the bottom shell (1) is fixedly connected to a clamping shaft (14), and the outer wall of the clamping shaft (14) is rotatably connected to a rotating column (15).

5. A wireless charger PCBA motherboard according to claim 4, characterized in that: The outer wall of the rotating column (15) is rotatably connected to the inside of the bottom shell (1), the outer wall of the rotating column (15) is fixedly connected to a clamping column (16), and the outer wall of the clamping column (16) is slidably connected to the inside of the heart-shaped groove (13).

6. A wireless charger PCBA motherboard according to claim 2, characterized in that: A second spring (17) is fixedly connected to the outer wall of the slide plate (12).

7. A wireless charger PCBA motherboard according to claim 6, characterized in that: One end of the second spring (17) is arranged on the inner wall of the bottom shell (1), and the outer wall of the slide plate (12) is fixedly connected to a connecting plate (18).

8. A wireless charger PCBA motherboard according to claim 7, characterized in that: The outer wall of the connecting plate (18) is fixedly connected to a fixing plate (19), and the outer wall of the fixing plate (19) is provided with a main board body (20).

Citation Information

Patent Citations

  • PCBA mainboard for wireless charger

    CN215452546U