Waterproof automobile circuit board

Abstract

The utility model relates to the technical field of automobile part waterproofing, in particular to a waterproof automobile circuit board which comprises a first sealing box, the side face of the first sealing box abuts against a second sealing box, a sealing structure is arranged between the first sealing box and the second sealing box, and the sealing structure comprises a circuit board. A circuit board is arranged between the first sealing box and the second sealing box, guide strips are fixedly connected to the inner sides of the first sealing box and the second sealing box, positioning blocks are slidably connected to the guide strips, fixing blocks are slidably connected to the ends of the positioning blocks, and second springs are fixedly connected between the fixing blocks and the positioning blocks; the end part of the fixing block is fixedly connected with a soft cushion, and the end part of the fixing block abuts against the circuit board through the soft cushion; the circuit board is sealed by arranging the sealing box of which the two sides are buckled, so that the circuit board has certain waterproof performance, and meanwhile, different types of circuit boards can be sealed and fixed conveniently.

Description

Technical Field

[0001] The utility model relates to a circuit board, in particular to a waterproof automobile circuit board, belonging to the technical field of waterproof automobile accessories. Background Art

[0002] A circuit board primarily consists of pads, vias, mounting holes, conductors, components, connectors, fillets, and electrical boundaries. The circuit board's primary function is to connect various components within a highly integrated circuit. To ensure proper function, the circuit board must be protected from contact with water or other conductive media. To improve the overall waterproof performance of a vehicle, the waterproofing of the circuit board itself must be enhanced.

[0003] Existing waterproofing measures for automotive circuit boards typically include glue injection and sealing, but these methods are often not conducive to the heat dissipation of the circuit board itself, thereby causing damage to the circuit board. Utility Model Content

[0004] The purpose of the present utility model is to provide a waterproof automobile circuit board in order to solve the above-mentioned problem. The circuit board is sealed by providing a sealing box that is buckled on both sides, so that the circuit board has a certain waterproof performance. At the same time, fixing blocks are provided in the sealing boxes on both sides to fix the circuit board to the middle position, thereby preventing heat accumulation on the sides of the circuit board. At the same time, the interference position of the circuit board can be replaced at will, which is convenient for sealing and fixing different types of circuit boards.

[0005] The utility model achieves the above-mentioned object through the following technical scheme: a waterproof automobile circuit board, comprising a first sealing box, the side of the first sealing box abutting against a second sealing box, a sealing structure provided between the first sealing box and the second sealing box, the sealing structure comprising a circuit board, a circuit board provided between the first sealing box and the second sealing box, the inner sides of the first sealing box and the second sealing box are fixedly connected to a guide bar, a positioning block is slidably connected to the guide bar, the end of the positioning block is slidably connected to a fixed block, a second spring is fixedly connected between the fixed block and the positioning block, the end of the fixed block is fixedly connected to a soft pad, the end of the fixed block abuts against the circuit board through the soft pad, and a connecting structure is connected between the first sealing box and the second sealing box.

[0006] Preferably, the guide bar is in a cross-shaped structure, and the first sealing box and the second sealing box are slidably connected to each other through the guide bar and have a plurality of positioning blocks.

[0007] Preferably, a plurality of positioning holes are sequentially opened on the guide bar, and a resistance block is slidably connected to the inner side of the positioning block.

[0008] Preferably, a first spring is fixedly connected between the interference block and the positioning block, the end of the interference block is a hemispherical structure, and the spherical end of the interference block interferes with the guide bar through the positioning hole.

[0009] Preferably, a heat sink is fixedly connected to the side of the first sealing box, and wires are installed on the circuit board.

[0010] Preferably, the sides of the first sealing box and the second sealing box are fixedly connected with elastic blocks, the wires are arranged between the elastic blocks, and the wires are in tight contact with the elastic blocks.

[0011] Preferably, the connection structure includes a through rod, the through rod passes through the first sealing box and the second sealing box, and the end of the through rod is threadedly connected to a threaded sleeve.

[0012] Preferably, the end of the penetration rod away from the threaded sleeve is slidably connected to a hexagonal sleeve, a connecting groove is provided on the penetration rod, and the penetration rod is slidably connected to a locking piece through the connecting groove, and the locking piece is in conflict with the hexagonal sleeve.

[0013] Preferably, the end of the threaded sleeve is in contact with a contact pad, and a third spring is fixedly connected between the contact pad and the first sealing box.

[0014] The beneficial effects of the present invention are as follows: guide strips are provided on the inner sides of the first sealing box and the second sealing box, and positioning blocks are slidably provided on the guide strips. By sliding the positioning blocks, the fixing blocks on the positioning blocks can be pressed against the appropriate position of the circuit board through the soft pads. When the first sealing box and the second sealing box are tightly buckled, the fixing blocks on the inner sides of the first sealing box and the second sealing box will fix the circuit board in the middle position between the two through the push of the second spring, thereby ensuring that both sides of the circuit board have sufficient heat dissipation space, while ensuring good sealing performance, improving the heat dissipation effect of the circuit board, and at the same time, because the circuit board is fixed by the push of the fixing blocks, the circuit board has a certain buffering effect on external vibrations, and for circuit boards of different sizes, targeted fixation can also be achieved by changing the supporting position of the positioning blocks, so as to obtain a good fixing effect without damaging the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 for Figure 1 The schematic diagram of the connection structure of the first sealing box and the second sealing box shown;

[0017] Figure 3 for Figure 2 The enlarged structural diagram of part A is shown;

[0018] Figure 4 for Figure 1 A schematic diagram of the connection structure between the first sealing box and the wires shown;

[0019] Figure 5 for Figure 4 The enlarged structural diagram of Figure B is shown;

[0020] Figure 6 for Figure 5 Schematic diagram of the structure of the locking piece shown.

[0021] In the figure: 1. First sealing box; 2. Second sealing box; 3. Sealing structure; 301. Heat sink; 302. Elastic block; 303. Wire; 304. Circuit board; 305. Guide strip; 306. Positioning hole; 307. Positioning block; 308. Contact block; 309. First spring; 310. Fixed block; 311. Second spring; 312. Cushion; 4. Connecting structure; 401. Threaded sleeve; 402. Through rod; 403. Contact pad; 404. Third spring; 405. Hexagonal sleeve; 406. Connecting groove; 407. Locking piece. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-6 As shown, a waterproof automobile circuit board includes a first sealing box 1, the side of the first sealing box 1 is in contact with the second sealing box 2, a sealing structure 3 is provided between the first sealing box 1 and the second sealing box 2, the sealing structure 3 includes a circuit board 304, a circuit board 304 is provided between the first sealing box 1 and the second sealing box 2, the inner sides of the first sealing box 1 and the second sealing box 2 are fixedly connected to a guide bar 305, a positioning block 307 is slidably connected to the guide bar 305, the end of the positioning block 307 is slidably connected to a fixed block 310, a second spring 311 is fixedly connected between the fixed block 310 and the positioning block 307, the end of the fixed block 310 is fixedly connected to a soft pad 312, the end of the fixed block 310 is in contact with the circuit board 304 through the soft pad 312, and a connecting structure 4 is connected between the first sealing box 1 and the second sealing box 2.

[0024] As a technical optimization solution of the present invention, the guide bar 305 is in a "cross" shape structure, and the first sealing box 1 and the second sealing box 2 are slidably connected with a plurality of positioning blocks 307 through the guide bar 305, and a plurality of positioning holes 306 are sequentially opened on the guide bar 305. The inner side of the positioning block 307 is slidably connected with a resistance block 308, and a first spring 309 is fixedly connected between the resistance block 308 and the positioning block 307. The end of the resistance block 308 is a hemispherical structure, and the spherical end of the resistance block 308 conflicts with the guide bar 305 through the positioning hole 306. The positioning effect between the resistance block 308 and the positioning hole 306 makes it more convenient to adjust the position of the positioning block 307, and the side of the first sealing box 1 A heat sink 301 is fixedly connected, and the heat dissipation effect of the heat sink 301 on the first sealed box 1 and the second sealed box 2 as a whole can further reduce the working temperature of the electric heating plate. A wire 303 is installed on the circuit board 304, and elastic blocks 302 are fixedly connected to the sides of the first sealed box 1 and the second sealed box 2. The wire 303 is arranged between the elastic blocks 302, and the wire 303 and the elastic blocks 302 are in close contact. By arranging the elastic blocks 302 between the first sealed box 1 and the second sealed box 2, when the wire 303 is led out from between the elastic blocks 302 on both sides, due to the close contact between the first sealed box 1 and the second sealed box 2, the normal leading out of the wire 303 is ensured while the sealing state inside the box is ensured.

[0025] As a technical optimization solution of the present invention, the connecting structure 4 includes a penetrating rod 402, a penetrating rod 402 is passed through between the first sealing box 1 and the second sealing box 2, the end of the penetrating rod 402 is threadedly connected to a threaded sleeve 401, and the end of the penetrating rod 402 away from the threaded sleeve 401 is slidably connected to a hexagonal sleeve 405, a connecting groove 406 is provided on the penetrating rod 402, and the penetrating rod 402 is slidably connected to a locking piece 407 through the connecting groove 406, and the locking piece 407 is in conflict with the hexagonal sleeve 405, and the end of the threaded sleeve 401 is in conflict with a conflict pad 403, and a third spring 404 is fixedly connected between the conflict pad 403 and the first sealing box 1. In order to improve the sealing performance of the first sealing box 1 To ensure the resistance strength between the first and second sealing boxes 2 and the sealing effect, a penetrating rod 402 is provided at each of the four corners of the sealing box. One end of the penetrating rod 402 is threadedly connected to a threaded sleeve 401. By tightening the threaded sleeve 401, the user can enhance the connection strength between the first sealing box 1 and the second sealing box 2 by the compression effect of the third spring 404. At the same time, when the first sealing box 1 and the second sealing box 2 are disassembled, the third spring 404 will continue to push the threaded sleeve 401 to prevent parts from falling. After the user loosens the threaded sleeve 401, press the first sealing box 1 and the second sealing box 2, and then remove the locking piece 407 at the end of the penetrating rod 402 to quickly separate the first sealing box 1 and the second sealing box 2.

[0026] When the present invention is in use, first, the circuit board 304 body is arranged between the first sealing box 1 and the second sealing box 2. In order to fix the circuit board 304, the first sealing box 1 and the second sealing box 2 are provided with guide strips 305 on the inner sides, and a positioning block 307 is slidably provided on the guide strip 305. By sliding the positioning block 307, the fixing block 310 on the positioning block 307 can be abutted against the appropriate position of the circuit board 304 through the soft pad 312. The positioning effect between the abutting block 308 and the positioning hole 306 makes it more convenient to adjust the position of the positioning block 307. When the first sealing box 1 and the second sealing box 2 are tightly buckled, When the heat dissipation factor 314 is 0.01, the heat dissipation factor 314 of the first and second sealing boxes 1 and 2 is 0.01, and the heat dissipation factor 314 of the second sealing box 1 and 2 is 0.01, and the heat dissipation factor 314 of the second sealing box 2 is 0.01, and the heat dissipation factor 314 of the first and second sealing boxes 1 and 2 is 0.01, and the heat dissipation factor 314 of the second sealing box ... For circuit boards 304 of different sizes, targeted fixation can also be achieved by changing the supporting position of the positioning block 307, so as to obtain a good fixing effect without damaging the circuit board 304. By setting the elastic block 302 between the first sealing box 1 and the second sealing box 2, when the wires 303 are led out from between the elastic blocks 302 on both sides, due to the close contact between the first sealing box 1 and the second sealing box 2, the normal leading out of the wires 303 is ensured while the sealing state inside the box is ensured. In order to improve the contact strength between the first sealing box 1 and the second sealing box 2 and ensure the sealing effect, the four corners of the sealing box are provided. A penetrating rod 402 is provided, one end of which is threadedly connected to a threaded sleeve 401. By tightening the threaded sleeve 401, the user can enhance the connection strength between the first sealing box 1 and the second sealing box 2 by the compression effect of the third spring 404. At the same time, when the first sealing box 1 and the second sealing box 2 are separated, the third spring 404 will continue to push the threaded sleeve 401 to prevent parts from falling. After the user loosens the threaded sleeve 401, press the first sealing box 1 and the second sealing box 2, and then remove the locking piece 407 at the end of the penetrating rod 402 to quickly separate the first sealing box 1 and the second sealing box 2.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0028] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A waterproof automobile circuit board, comprising a first sealing box (1), characterized in that: The side of the first sealing box (1) contacts the second sealing box (2); a sealing structure (3) is provided between the first sealing box (1) and the second sealing box (2); the sealing structure (3) comprises a circuit board (304); a circuit board (304) is provided between the first sealing box (1) and the second sealing box (2); a guide bar (305) is fixedly connected to the inner side of each of the first sealing box (1) and the second sealing box (2); a positioning block (307) is slidably connected to the guide bar (305); a fixed block (310) is slidably connected to the end of the positioning block (307); a second spring (311) is fixedly connected between the fixed block (310) and the positioning block (307); a soft pad (312) is fixedly connected to the end of the fixed block (310); the end of the fixed block (310) contacts the circuit board (304) through the soft pad (312); and a connecting structure (4) is connected between the first sealing box (1) and the second sealing box (2).

2. The waterproof automotive circuit board according to claim 1, characterized in that: The guide bar (305) is in a "cross"-shaped structure, and the first sealing box (1) and the second sealing box (2) are slidably connected to a plurality of positioning blocks (307) via the guide bar (305).

3. The waterproof automotive circuit board according to claim 1, characterized in that: A plurality of positioning holes (306) are sequentially provided on the guide bar (305), and a resisting block (308) is slidably connected to the inner side of the positioning block (307).

4. The waterproof automotive circuit board according to claim 3, characterized in that: A first spring (309) is fixedly connected between the interference block (308) and the positioning block (307). The end of the interference block (308) is a hemispherical structure, and the spherical end of the interference block (308) interferes with the guide bar (305) through the positioning hole (306).

5. The waterproof automotive circuit board according to claim 1, characterized in that: A heat sink (301) is fixedly connected to the side of the first sealing box (1), and an electric wire (303) is installed on the circuit board (304).

6. The waterproof automotive circuit board according to claim 5, characterized in that: The sides of the first sealing box (1) and the second sealing box (2) are both fixedly connected with elastic blocks (302), the electric wires (303) are arranged between the elastic blocks (302), and the electric wires (303) are in close contact with the elastic blocks (302).

7. The waterproof automotive circuit board according to claim 1, characterized in that: The connection structure (4) comprises a penetrating rod (402), the penetrating rod (402) passing through the first sealing box (1) and the second sealing box (2), and the end of the penetrating rod (402) being threadedly connected to a threaded sleeve (401).

8. The waterproof automotive circuit board according to claim 7, characterized in that: One end of the penetration rod (402) away from the threaded sleeve (401) is slidably connected to a hexagonal sleeve (405), a connecting groove (406) is provided on the penetration rod (402), and the penetration rod (402) is slidably connected to a locking piece (407) through the connecting groove (406), and the locking piece (407) and the hexagonal sleeve (405) are in conflict with each other.

9. The waterproof automobile circuit board according to claim 8, characterized in that: The end of the threaded sleeve (401) is in contact with a contact pad (403), and a third spring (404) is fixedly connected between the contact pad (403) and the first sealing box (1).

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