Circuit board capable of preventing accessories from falling off

By clamping and fixing the cylindrical capacitors on the circuit board using the second spring, bolt and other structures, the problem of damage to the solder joints is solved, the service life of the circuit board is improved, and the circuit board is further improved through heat dissipation and dust prevention measures. reliability.

CN222465091UActive Publication Date: 2025-02-11GUAN RUILONG HENGSEN ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420532590.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-19
Publication Date
2025-02-11
Estimated Expiration
2034-03-19

AI Technical Summary

Technical Problem

The prior art is difficult to effectively prevent the solder joints from being damaged when the cylindrical capacitors with solder joints from being fixed on the circuit board, resulting in a shortening of the service life of the circuit board.

Method used

The cylindrical capacitor is fixed by the clamping assembly to avoid stress damage caused by spring squeezing.

Benefits of technology

It effectively prevents the cylindrical capacitor from falling off and damage to solder joints, improves the service life of the circuit board, and prevents the circuit board from being damaged by high temperature or dust through the heat dissipation port and dustproof mesh structure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222465091U_ABST
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Abstract

The utility model discloses a circuit board capable of preventing accessories from falling off, which comprises a base, a placing groove is arranged at the top of the base, two open grooves are arranged at the bottom of the inner wall of the placing groove, a circuit board main body is arranged in the placing groove, a plurality of chip capacitors are arranged at the top of the circuit board main body, and the chip capacitors are arranged in the placing groove. A cylindrical capacitor is arranged at the top of the circuit board, a protective cover is arranged at the top of the base, a plurality of pressing assemblies are fixedly connected to the top of the protective cover, and two T-shaped sliding grooves are formed in the bottom of the inner wall of the protective cover. According to the utility model, through cooperative use of structures such as the second spring, the bolt, the moving plate, the clamping block and the guide plate, the cylindrical capacitor is clamped and fixed, the situation that a bottom welding spot is stressed and damaged due to the fact that the spring extrudes the cylindrical capacitor is avoided, and meanwhile, the situation that the whole circuit board is damaged and cannot be used due to the fact that the cylindrical capacitor falls off is prevented; and the service life of the circuit board is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a circuit board with accessories that prevent falling off. Background Art

[0002] The names of circuit boards include: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. Circuit boards can be called printed circuit boards or printed circuit boards. The English names are (Printed Circuit Board) PCB, (Flexible Printed Circuit board) FPC circuit board (FPC circuit board is also called flexible circuit board. Flexible circuit board is a highly reliable and excellently flexible printed circuit board made of polyimide or polyester film as the substrate.

[0003] After searching, the patent with publication number CN219227997U discloses a circuit board with an anti-falling structure for accessories, including a circuit board main body and an electronic capacitor. The electronic capacitor is installed on the upper side of the circuit board main body, and a protective mechanism is arranged on the outside of the electronic capacitor. The protective mechanism includes a connecting cover, a connecting pad, a docking block, a docking cover and a limiting bolt. A connecting cover is arranged on the outside of the electronic capacitor, and the lower side of the connecting cover is connected to the circuit board main body. A connecting pad is fixed to the groove of the connecting cover. The electronic capacitor is squeezed under the action of a limiting spring so that the accessories of the circuit board can be more stably installed on the surface of the circuit board. When the accessories of the circuit board are not installed stably enough, the accessories of the circuit board are not easy to fall off.

[0004] The above scheme has the following deficiencies: in actual use, this scheme can only prevent chip capacitors without solder joints from falling, but circuit boards not only have chip capacitors without solder joints, but also cylindrical capacitors with solder joints. When fixing cylindrical capacitors with solder joints, the solder joints are easily crushed when the bottom is subjected to greater force, causing the circuit board to be damaged and unusable, thus affecting the service life of the circuit board. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a circuit board with accessories that can prevent them from falling off.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a circuit board with anti-falling accessories, including a base, a placement groove is provided on the top of the base, two grooves are provided on the bottom of the inner wall of the placement groove, a circuit board body is arranged inside the placement groove, a plurality of chip capacitors are arranged on the top of the circuit board body, a cylindrical capacitor is arranged on the top of the circuit board, a protective cover is provided on the top of the base, a plurality of clamping components are fixedly connected to the top of the protective cover, two T-shaped slide grooves are provided on the bottom of the inner wall of the protective cover, a fixing block is provided on the top of the protective cover, a bolt is rotatably connected to the inside of the fixing block, one end of the bolt passes through the top of the protective cover and extends to the inside of the protective cover, a limiting block is provided on the bottom of the bolt, and a clamping component is provided on the outer surface of the bolt.

[0007] As a further description of the above technical solution:

[0008] The clamping assembly includes a telescopic rod fixedly connected to the top of the protective cover, a pressing plate fixedly connected to the bottom of the telescopic rod, a first rubber pad arranged at the bottom of the pressing plate, and a first spring sleeved on the outer surface of the telescopic rod.

[0009] As a further description of the above technical solution:

[0010] The clamping assembly includes a movable plate threadedly connected to the outside of the bolt, two fixed rods are fixedly connected to the bottom of the movable plate, a fixed frame is provided at the bottom of the two fixed rods, sliding grooves are provided on both sides of the inner wall of the fixed frame, and a clamping mechanism is provided inside the sliding groove.

[0011] As a further description of the above technical solution:

[0012] The clamping mechanism includes two second springs fixedly connected to the inside of the sliding groove, one end of the second spring is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a clamping block, a second rubber pad is provided on one side of the clamping block, and a guide plate is installed at the bottom of the clamping block.

[0013] As a further description of the above technical solution:

[0014] The front and rear sides of the fixed frame are both rotatably connected with sliding rods, the top of the sliding rod is fixedly connected with a T-shaped sliding block, and the T-shaped sliding block is slidably connected to the inside of the T-shaped sliding groove.

[0015] As a further description of the above technical solution:

[0016] A plurality of card slots are provided on the top of the base, wire holes are provided on both sides of the base, a card block is fixedly connected to the bottom of the protective cover, and the card slots and the card block are adapted to each other.

[0017] As a further description of the above technical solution:

[0018] Heat dissipation openings are provided on both sides of the protective cover, and dustproof nets are provided inside the heat dissipation openings.

[0019] The utility model has the following beneficial effects:

[0020] 1. Compared with the prior art, the circuit board with anti-falling accessories realizes the work of clamping and fixing the cylindrical capacitor through the coordinated use of structures such as the second spring, the bolt, the second spring, the moving plate, the clamping block and the guide plate, thereby avoiding the spring squeezing the cylindrical capacitor and causing the bottom solder joint to be damaged by force, and at the same time preventing the cylindrical capacitor from falling off, causing the circuit board to be damaged and unusable as a whole, thereby improving the service life of the circuit board.

[0021] 2. Compared with the prior art, the circuit board with anti-falling accessories can prevent dust from falling off the circuit board and dissipate heat at the same time through the coordinated use of structures such as heat dissipation ports, dustproof nets and protective covers, thereby avoiding damage to the circuit board due to high temperatures generated during operation and further improving the service life of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a circuit board with anti-falling accessories proposed by the utility model;

[0023] Figure 2 This is a three-dimensional schematic diagram of a disassembly structure of a circuit board with anti-falling accessories proposed by the utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of a base of a circuit board with anti-falling accessories proposed by the utility model;

[0025] Figure 4 This is a three-dimensional schematic diagram of the internal structure of a first housing of a circuit board with anti-falling accessories proposed by the utility model;

[0026] Figure 5 This is a three-dimensional schematic diagram of a T-shaped slideway of a circuit board with an anti-falling accessory feature proposed by the utility model;

[0027] Figure 6 This is a cross-sectional schematic diagram of a clamping assembly for a circuit board with anti-falling accessories proposed by the utility model;

[0028] Figure 7 The utility model discloses a cross-sectional view of the overall structure of a circuit board with anti-falling accessories.

[0029] Legend:

[0030] 1. Base; 2. Placement slot; 3. Slot; 4. Circuit board body; 5. Chip capacitor; 6. Cylindrical capacitor; 7. Protective cover; 8. T-shaped slide; 9. Fixed block; 10. Bolt; 11. Limit block; 12. Telescopic rod; 13. Press plate; 14. First rubber pad; 15. First spring; 16. Moving plate; 17. Fixed frame; 18. Slide slot; 19. Second spring; 20. Connecting rod; 21. Clamp block; 22. Second rubber pad; 23. Slide rod; 24. T-shaped slider; 25. Slot; 26. Wire hole; 27. Block; 28. Heat dissipation port; 29. ​​Dust net; 30. Guide plate; 31. Fixed rod. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1-7 The utility model provides a circuit board with anti-falling accessories: it includes a base 1, a placement groove 2 is provided on the top of the base 1, two grooves 3 are provided on the bottom of the inner wall of the placement groove 2, a circuit board body 4 is provided inside the placement groove 2, a plurality of patch capacitors 5 are provided on the top of the circuit board body 4, a cylindrical capacitor 6 is provided on the top of the circuit board, a protective cover 7 is provided on the top of the base 1, a plurality of clamping components are fixedly connected to the top of the protective cover 7, two T-shaped slide grooves 8 are provided on the bottom of the inner wall of the protective cover 7, a fixing block 9 is provided on the top of the protective cover 7, a bolt 10 is rotatably connected inside the fixing block 9, one end of the bolt 10 passes through the top of the protective cover 7 and extends to the inside of the protective cover 7, a limiting block 11 is provided on the bottom of the bolt 10, and the outer surface of the bolt 10 is provided with The clamping assembly comprises a plurality of card slots 25 on the top of the base 1, and wire holes 26 are provided on both sides of the base 1. The wire holes 26 can be used to extend the line to the circuit board. A card block 27 is fixedly connected to the bottom of the protective cover 7. The card slots 25 and the card block 27 are adapted to each other. Heat dissipation ports 28 are provided on both sides of the protective cover 7. A dustproof net 29 is provided inside the heat dissipation port 28. Through the coordinated use of structures such as the second spring 19, the bolt 10, the second spring 19, the movable plate 16, the clamp block 21 and the guide plate 30, the cylindrical capacitor 6 is clamped and fixed, which avoids the spring squeezing the cylindrical capacitor 6, causing the solder joint to be damaged by force, and at the same time prevents the cylindrical capacitor 6 from falling off, resulting in the occurrence of a situation where the entire circuit board is damaged and cannot be used, thereby improving the service life of the circuit board.

[0033] The clamping assembly includes a telescopic rod 12 fixedly connected to the top of the protective cover 7, a pressing plate 13 fixedly connected to the bottom of the telescopic rod 12, a first rubber pad 14 is provided at the bottom of the pressing plate 13, and a first spring 15 is sleeved on the outer surface of the telescopic rod 12.

[0034] The clamping assembly includes a movable plate 16 threadedly connected to the outside of the bolt 10, two fixed rods 31 are fixedly connected to the bottom of the movable plate 16, a fixed frame 17 is provided at the bottom of the two fixed rods 31, sliding grooves 18 are provided on both sides of the inner wall of the fixed frame 17, and a clamping mechanism is provided inside the sliding groove 18. The front and rear sides of the fixed frame 17 are rotatably connected to sliding rods 23, and the top of the sliding rod 23 is fixedly connected to a T-shaped slider 24, which is slidably connected to the inside of the T-shaped slide groove 8.

[0035] The clamping mechanism includes two second springs 19 fixedly connected to the inside of the sliding groove 18, one end of the second spring 19 is fixedly connected to a connecting rod 20, one end of the connecting rod 20 is fixedly connected to a clamping block 21, a second rubber pad 22 is provided on one side of the clamping block 21, and a guide plate 30 is installed at the bottom of the clamping block 21.

[0036] Working principle: When the cylindrical capacitor 6 needs to be fixed to prevent it from falling off, the staff first puts the circuit board into the placement groove 2, and the soldering at the bottom of the circuit board is aligned with the slot 3, and the bolt 10 is turned to adjust the movable plate 16, and then the height of the clamping block 21 is adjusted. At the same time, the T-shaped slider 24 at the top of the sliding rod 23 slides inside the T-shaped slide groove 8, so that it can limit the movable plate 16 until the clamping block 21 can clamp the outer surface of the cylindrical capacitor 6, and then the clamping block 27 at the bottom of the protective cover 7 is inserted into the clamping groove 25 at the top of the base 1, so that the top of the cylindrical capacitor 6 is inserted between the two clamping blocks 21 through the guide plate 30, and at the same time, the second spring 19 in the sliding groove 18 is squeezed to perform clamping work, and the second rubber pad 22 is set to squeeze the patch capacitor 5 without scratching the surface of the cylindrical capacitor 6, so that the accessories of the circuit board can be more stably installed on the surface of the circuit board body 4, thereby completing the anti-falling work of the cylindrical capacitor 6;

[0037] While clamping the patch capacitor 5, the first spring 15 is compressed so that the bottom pressure plate 13 presses the patch capacitor 5 downward, and by installing the telescopic rod 12, the spring can be prevented from shifting when the patch capacitor 5 is squeezed to contract. At the same time, the first rubber pad 14 will not scratch the surface of the patch capacitor 5 when squeezing the patch capacitor 5, so that the accessories of the circuit board can be more stably installed on the surface of the circuit board, thereby completing the anti-falling fixation of the patch capacitor 5.

[0038] 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 circuit board with an anti-drop feature for accessories, comprising a base (1), characterized in that: The top of the base (1) is provided with a placement groove (2), the bottom of the inner wall of the placement groove (2) is provided with two grooves (3), a circuit board body (4) is arranged inside the placement groove (2), a plurality of surface mount capacitors (5) are arranged on the top of the circuit board body (4), a cylindrical capacitor (6) is arranged on the top of the circuit board, a protective cover (7) is arranged on the top of the base (1), a plurality of clamping components are fixedly connected to the top of the protective cover (7), two T-shaped slide grooves (8) are arranged on the bottom of the inner wall of the protective cover (7), a fixing block (9) is arranged on the top of the protective cover (7), a bolt (10) is rotatably connected inside the fixing block (9), one end of the bolt (10) passes through the top of the protective cover (7) and extends to the inside of the protective cover (7), a limiting block (11) is arranged at the bottom of the bolt (10), and a clamping component is arranged on the outer surface of the bolt (10).

2. A circuit board with anti-dropping function for accessories according to claim 1, characterized in that: The clamping assembly comprises a telescopic rod (12) fixedly connected to the top of the protective cover (7), the bottom of the telescopic rod (12) is fixedly connected to a pressure plate (13), the bottom of the pressure plate (13) is provided with a first rubber pad (14), and the outer surface of the telescopic rod (12) is sleeved with a first spring (15).

3. The circuit board with anti-dropping function for accessories according to claim 1, characterized in that: The clamping assembly comprises a movable plate (16) threadedly connected to the outside of the bolt (10); two fixed rods (31) are fixedly connected to the bottom of the movable plate (16); a fixed frame (17) is provided at the bottom of the two fixed rods (31); sliding grooves (18) are provided on both sides of the inner wall of the fixed frame (17); and a clamping mechanism is provided inside the sliding groove (18).

4. A circuit board with anti-dropping function for accessories according to claim 3, characterized in that: The clamping mechanism comprises two second springs (19) fixedly connected to the inside of the sliding groove (18), one end of the second spring (19) is fixedly connected to a connecting rod (20), one end of the connecting rod (20) is fixedly connected to a clamping block (21), a second rubber pad (22) is arranged on one side of the clamping block (21), and a guide plate (30) is installed at the bottom of the clamping block (21).

5. The circuit board with anti-dropping function for accessories according to claim 3, characterized in that: The front and rear sides of the fixed frame (17) are both rotatably connected to sliding rods (23), the top of the sliding rod (23) is fixedly connected to a T-shaped sliding block (24), and the T-shaped sliding block (24) is slidably connected to the inside of the T-shaped sliding groove (8).

6. The circuit board with anti-dropping function for accessories according to claim 1, characterized in that: The top of the base (1) is provided with a plurality of slots (25), both sides of the base (1) are provided with wire holes (26), the bottom of the protective cover (7) is fixedly connected with a block (27), and the slots (25) and the block (27) are adapted to each other.

7. The circuit board with anti-dropping function for accessories according to claim 1, characterized in that: Heat dissipation openings (28) are provided on both sides of the protective cover (7), and dustproof nets (29) are provided inside the heat dissipation openings (28).

Citation Information

Patent Citations

  • Circuit board with accessory anti-falling structure

    CN219227997U