An impact-resistant packaged PCBA circuit board
By using a concentric double-layer structure design consisting of a cover block, a support cover plate, and a support mounting groove, combined with a support sheet made of thermally conductive silicone and a hollowed-out heat dissipation fin, the problems of poor heat dissipation, poor protection, and inconvenient disassembly and assembly of existing impact-resistant packaged PCBA circuit boards are solved, achieving the effects of quick disassembly and assembly and efficient heat dissipation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN GOLDEN LIGHT ELECTRONICS TECH CO LTD
- Filing Date
- 2025-05-27
- Publication Date
- 2026-05-26
AI Technical Summary
Existing shock-resistant packaged PCBA circuit boards have poor heat dissipation and protection, and are inconvenient to disassemble and assemble.
It adopts a concentric double-layer structure design with a cover block, a support cover plate and a support mounting groove. Combined with a support plate made of thermally conductive silicone sheet and a hollow structure heat dissipation fin, it can be quickly disassembled and assembled by flipping and pulling the sliding groove, and heat dissipation fins are embedded in the air groove for efficient heat conduction.
It achieves good protection and efficient heat dissipation, while the design of the support cover and support mounting slot makes the PCBA circuit board quick to disassemble and assemble, and easy to maintain and replace.
Smart Images

Figure CN224290152U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of PCBA circuit board technology, specifically to an impact-resistant packaged PCBA circuit board. Background Technology
[0002] Printed circuit boards, also known as PCBs or printed circuit boards, are important electronic components. They serve as the support for electronic components and provide the connections between them. Because they are manufactured using electronic printing technology, they are called "printed" circuit boards.
[0003] An existing shock-resistant encapsulated PCBA circuit board (CN202122389569.X) utilizes a rubber shock-resistant outer sleeve fitted over the outer shell of a first PCBA circuit board enclosure, and multiple inner and outer shock-resistant blocks distributed on the inner and outer walls of the shock-resistant outer sleeve, respectively. Both the outer and inner shock-resistant blocks are made of rubber, and the inner shock-resistant blocks are connected to shock-resistant springs. This gives the encapsulated PCBA circuit board good resistance to external impacts. However, it has shortcomings: the heat dissipation effect of existing equipment is poor, the protection effect is inadequate, and disassembly and assembly are inconvenient. Therefore, a shock-resistant encapsulated PCBA circuit board is needed to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide an impact-resistant packaged PCBA circuit board to solve the problems mentioned in the background art, such as poor heat dissipation, poor protection, and inconvenience in disassembly and assembly.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an impact-resistant encapsulated PCBA circuit board, comprising a cover block, on which a PCBA circuit board is mounted, and a sealing cover is fitted onto the front side of the cover block. Pull-out grooves are formed on both sides of the inner wall of the cover block, and pull-out sliders are slidably inserted into the inner walls of the pull-out grooves. A support mounting groove is fixedly connected between the pull-out sliders, and a rotating shaft is mounted on one edge of the upper end of the support mounting groove. A support cover plate is flipped onto the outer wall of the rotating shaft, and a flip groove is formed on one edge of the lower end of the support cover plate. The rotating shaft is inserted into the flip groove. A splicing buckle is protruding and fixedly connected to the other edge of the lower end of the support cover plate, and a first locking knob is inserted through one side of the splicing buckle. A splicing buckle slot is formed on the outer side of the other side of the upper end of the support mounting groove, and the splicing buckle is inserted into the splicing buckle slot. The assembly includes a splicing slot on the inner wall of the support cover and the support mounting groove, with a splicing plate inserted into the inner wall of the splicing slot. A second fixing bolt is inserted into the corner of the inner wall of the splicing plate, and a support piece is vertically fixed to one end of the splicing plate. Support pads are protruding and fixedly connected to the lower ends of both sides of the inner wall of the support mounting groove. The PCBA circuit board is placed and installed with the support pads, and a first fixing bolt is inserted through the edges of the support pads and the PCBA circuit board. Mounting blocks are protruding and fixedly connected to the front edges of both sides of the support mounting groove, and a second locking knob is inserted into the inner wall of the mounting block. Air ducts are provided at the upper and lower ends of the cover block, and heat dissipation fins are embedded in the inner wall of the air ducts. One end of the heat dissipation fins is attached to the support cover and the support mounting groove. A locking knob is inserted into the front corner of the cover, and a ventilation opening is provided in the inner wall of the air duct.
[0006] Preferably, the outer wall of the cover block is an elastic structure, and the cover block, the support cover plate, and the support mounting groove are distributed in a concentric double-layer structure.
[0007] Preferably, the PCBA circuit board is bolted to the support pad by a first fixing bolt, the support cover plate is flipped to the support mounting groove by a flip groove and a rotating shaft, and the support cover plate is locked to the support mounting groove by a splicing buckle and a first locking knob.
[0008] Preferably, the heat dissipation fins have a hollow structure, and the heat dissipation fins and vents are distributed in parallel positions with the air groove, which is an arc-shaped groove structure.
[0009] Preferably, the support sheet is made of thermally conductive silicone sheet, and the support sheet is installed in a positioning and insertion manner with the support cover plate and the support mounting groove through splicing insert plate and splicing slot. The PCBA circuit board is supported and distributed in close contact with the support sheet, the support cover plate and the support mounting groove. The support cover plate and the support mounting groove are made of metal.
[0010] Preferably, the support mounting groove is connected to the cover block in a sliding connection via a pull-out groove and a pull-out slider, and the support mounting groove is fixedly connected to the cover block via a second locking knob and a mounting block.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This impact-resistant encapsulated PCBA circuit board can be protected by double-layer support through a cover block, a support cover plate, and a support mounting groove. The PCBA circuit board can also be symmetrically supported by support plates, resulting in excellent protection. Furthermore, it can efficiently conduct heat through heat dissipation fins, support plates, air channels, and ventilation openings, resulting in excellent heat dissipation. Moreover, the support cover plate and support mounting groove can be quickly pulled out by a pull-out slide or a pull-out slider. The support cover plate can also be flipped open to quickly disassemble and assemble the PCBA circuit board, making it convenient to use. Attached Figure Description
[0012] Figure 1 This is a front view of an impact-resistant packaged PCBA circuit board according to this utility model;
[0013] Figure 2 This is a schematic diagram of the internal structure of an impact-resistant encapsulated PCBA circuit board according to the present invention;
[0014] Figure 3 This utility model relates to an impact-resistant packaged PCBA circuit board. Figure 2 Enlarged view of point A in the middle;
[0015] Figure 4 This utility model relates to an impact-resistant packaged PCBA circuit board. Figure 2 Enlarged view at point B in the middle;
[0016] Figure 5 This utility model relates to an impact-resistant packaged PCBA circuit board. Figure 2 Enlarged view at point C;
[0017] Figure 6 This utility model relates to an impact-resistant packaged PCBA circuit board. Figure 2 Enlarged view of point D in the middle.
[0018] In the diagram: 1. Enclosure block, 2. Sealing cover, 3. PCBA circuit board, 4. Locking knob, 5. Support cover plate, 6. Heat dissipation fins, 7. Support plate, 8. Support mounting groove, 9. Pull-out slide groove, 10. Pull-out slider, 11. Flip groove, 12. Rotating shaft, 13. First fixing bolt, 14. Support pad, 15. Splicing insert plate, 16. Splicing slot, 17. Second fixing bolt, 18. Air duct, 19. Ventilation opening, 20. Splicing buckle block, 21. First locking knob, 22. Splicing buckle groove, 23. Second locking knob, 24. Mounting block. Detailed Implementation
[0019] 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.
[0020] Please see Figure 1-6 This utility model provides a technical solution: an impact-resistant encapsulated PCBA circuit board, including a cover block 1, a sealing cover 2, a PCBA circuit board 3, a locking knob 4, a support cover plate 5, heat dissipation fins 6, a support plate 7, a support mounting groove 8, a pull-out slide groove 9, a pull-out slider 10, a flip groove 11, a rotating shaft 12, a first fixing bolt 13, a support pad 14, a splicing insert plate 15, a splicing slot 16, a second fixing bolt 17, a wind channel 18, a ventilation opening 19, a splicing buckle 20, a first locking knob 21, a splicing buckle groove 22, a second locking knob 23, and a mounting block 24. The PCBA circuit board 3 is installed on the inner wall of the cover block 1, and the sealing cover 2 is installed on the front side of the cover block 1. The outer wall of the cover block 1 is an elastic structure, and the cover block 1, the support cover plate 5, and the support mounting groove 8 are distributed in a concentric double-layer structure, which makes the cover block 1, the support cover plate 5, and the support mounting groove 8 provide double-layer protection with excellent effect.
[0021] PCBA circuit board 3 is bolted to support pad 14 by first fixing bolt 13. Support cover 5 is flipped to support mounting groove 8 by flip groove 11 and rotating shaft 12. Support cover 5 is locked to support mounting groove 8 by splicing buckle 20 and first locking knob 21. This makes PCBA circuit board 3 easy to bolt support installation and easy to flip open and close disassembly and disassembly, making it convenient to use.
[0022] The inner wall of the cover block 1 has pull-out grooves 9 on both sides, and pull-out sliders 10 are slidably installed on the inner wall of the pull-out grooves 9. Support mounting grooves 8 are fixedly connected between the pull-out sliders 10, and a rotating shaft 12 is installed on one edge of the upper end of the support mounting groove 8. The support mounting groove 8 is connected to the cover block 1 in a back-and-forth sliding manner through the pull-out grooves 9 and the pull-out sliders 10. The support mounting groove 8 is also locked and fixedly connected to the cover block 1 through the second locking knob 23 and the mounting block 24. This makes the support mounting groove 8 easy to pull out and disassemble, and easier to replace.
[0023] A support cover plate 5 is flipped and installed on the outer wall of the rotating shaft 12. A flip groove 11 is opened on one side edge of the lower end of the support cover plate 5. The rotating shaft 12 is inserted into the flip groove 11. A splicing buckle 20 is protruding and fixedly connected to the other side edge of the lower end of the support cover plate 5. A first locking knob 21 is inserted through and installed on one side of the splicing buckle 20. A splicing buckle groove 22 is opened on the outer side of the other side of the upper end of the support mounting groove 8. The splicing buckle 20 is inserted into the splicing buckle groove 22. A splicing slot 16 is opened on the inner wall of the support cover plate 5 and the support mounting groove 8. A splicing insert plate 15 is inserted into the inner wall of the splicing slot 16. The inner wall corner of the splicing plate 15 is fitted with a second fixing bolt 17, and a support plate 7 is vertically fixed to one end of the splicing plate 15. The support plate 7 is made of thermally conductive silicone sheet, and the support plate 7 is positioned and fitted with the support cover plate 5 and the support mounting groove 8 through the splicing plate 15, the splicing slot 16, and the PCBA circuit board 3 is supported and distributed in close contact with the support cover plate 5 and the support mounting groove 8 through the support plate 7. The support cover plate 5 and the support mounting groove 8 are made of metal, which allows the support plate 7 to effectively conduct heat and provide auxiliary support, and also facilitates the disassembly, assembly, and replacement of the fitting bolts.
[0024] Support pads 14 are fixedly connected to the lower ends of both sides of the inner wall of the support mounting groove 8. The PCBA circuit board 3 is placed and installed on the support pads 14, and the first fixing bolts 13 are inserted through the edges of the support pads 14 and the PCBA circuit board 3. Mounting blocks 24 are fixedly connected to the front edges of both sides of the support mounting groove 8, and the second locking knobs 23 are inserted into the inner walls of the mounting blocks 24. The upper and lower ends of the cover block 1 have air ducts 18, and the inner walls of the air ducts 18 are inlaid with heat dissipation fins 6. The heat dissipation fins 6 have a hollow structure, and the heat dissipation fins 6 and the vents 19 are distributed in parallel positions with the air ducts 18. The air ducts 18 have an arc-shaped groove structure, which allows the heat dissipation fins 6, the vents 19 and the air ducts 18 to dissipate heat more efficiently and effectively. One end of the heat dissipation fins 6 is attached to the support cover plate 5 and the support mounting groove 8. The front corner of the closed cover 2 is inserted with a locking knob 4. The inner wall of the air duct 18 has a vent 19.
[0025] Working principle: When using this type of impact-resistant encapsulated PCBA circuit board, the PCBA circuit board 3 of the device is first fixedly installed to the support mounting groove 8 by the first fixing bolt 13, the support pad 14, and the support mounting groove 8. Then, the support cover plate 5 is closed and locked by the splicing buckle 20, the first locking knob 21, and the splicing buckle groove 22. Next, it is symmetrically supported by the support plate 7, and then it is slidably inserted into the encapsulation block 1 by the pull-out slide groove 9 and the pull-out slider 10, and locked by the second locking knob 23 and the mounting block 24. Then, it is supported and closed by the sealing cover 2 and locked by the locking knob 4. When it is impacted, it can be protected by double-layer support through the encapsulation block 1, the support cover plate 5, and the support mounting groove 8. When in use, it can conduct heat through the support plate 7 and dissipate heat through the heat dissipation fins 6, the air duct 18, and the ventilation port 19. This is the usage process of this type of impact-resistant encapsulated PCBA circuit board.
[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An impact-resistant encapsulated PCBA circuit board, comprising a cover block (1), wherein a PCBA circuit board (3) is mounted on the inner wall of the cover block (1), and a sealing cover (2) is fitted on the front side of the cover block (1), characterized in that: The inner wall of the cover block (1) is provided with pull-out grooves (9) on both sides, and a pull-out slider (10) is slidably inserted into the inner wall of the pull-out groove (9). A support mounting groove (8) is fixedly connected between the pull-out sliders (10), and a rotating shaft (12) is installed on one side edge of the upper end of the support mounting groove (8). A support cover plate (5) is flipped on the outer wall of the rotating shaft (12), and a flip groove (11) is provided on one side edge of the lower end of the support cover plate (5). The rotating shaft (12) and the flip groove (11) are inserted into each other. The supporting cover plate (5) has a splicing buckle (20) protruding and fixedly connected to the other side edge of its lower end, and a first locking knob (21) is inserted and installed through one side of the splicing buckle (20). A splicing buckle groove (22) is opened on the other side of the upper end of the supporting mounting groove (8). The splicing buckle (20) is inserted and installed into the splicing buckle groove (22). A splicing slot (16) is opened on the inner wall of the supporting cover plate (5) and the supporting mounting groove (8), and a splicing insert plate is inserted and installed on the inner wall of the splicing slot (16). 15), the inner wall corner of the splicing plate (15) is fitted with a second fixing bolt (17), and a support plate (7) is vertically fixed to one end of the splicing plate (15). Support pads (14) are fixedly connected to the lower ends of the inner walls of the support mounting groove (8). The PCBA circuit board (3) is placed and installed with the support pads (14), and the support pads (14) and the PCBA circuit board (3) are fitted with a first fixing bolt (13) through the edges. The two sides of the support mounting groove (8) A mounting block (24) is fixedly connected to the front edge, and a second locking knob (23) is inserted into the inner wall of the mounting block (24). The upper and lower ends of the cover block (1) are provided with air grooves (18), and heat dissipation fins (6) are inlaid in the inner wall of the air grooves (18). One end of the heat dissipation fins (6) is attached to the support cover plate (5) and the support mounting groove (8). A locking knob (4) is inserted into the front corner of the closed cover (2), and a ventilation opening (19) is provided in the inner wall of the air grooves (18).
2. The impact-resistant packaged PCBA circuit board according to claim 1, characterized in that: The outer wall of the wrapping block (1) is an elastic structure, and the wrapping block (1), the support cover plate (5) and the support mounting groove (8) are distributed in a concentric double-layer structure.
3. The impact-resistant packaged PCBA circuit board according to claim 2, characterized in that: The PCBA circuit board (3) is bolted to the support pad (14) by the first fixing bolt (13). The support cover plate (5) is flipped to the support mounting groove (8) by the flip groove (11) and the rotating shaft (12). The support cover plate (5) is locked to the support mounting groove (8) by the splicing buckle (20) and the first locking knob (21).
4. The impact-resistant packaged PCBA circuit board according to claim 3, characterized in that: The heat dissipation fins (6) are hollow structures, and the heat dissipation fins (6) and the vents (19) are distributed in parallel positions on the air groove (18), which is an arc-shaped groove structure.
5. The impact-resistant packaged PCBA circuit board according to claim 4, characterized in that: The support sheet (7) is made of thermally conductive silicone sheet, and the support sheet (7) is installed in a positioning and insertion manner with the support cover plate (5) and the support mounting groove (8) through the splicing insert plate (15) and splicing slot (16). The PCBA circuit board (3) is supported and distributed in a close fit with the support cover plate (5) and the support mounting groove (8) through the support sheet (7). The support cover plate (5) and the support mounting groove (8) are made of metal.
6. The impact-resistant packaged PCBA circuit board according to claim 5, characterized in that: The support mounting groove (8) is connected to the cover block (1) in a sliding and pulling connection via the pull-out slide groove (9) and the pull-out slider (10), and the support mounting groove (8) is connected to the cover block (1) in a locking and fixed connection via the second locking knob (23) and the mounting block (24).