High-efficiency voltage conversion circuit board

Abstract

The utility model relates to the technical field of circuit boards, and particularly discloses a high-efficiency voltage conversion circuit board which comprises a circuit board body, a plurality of round holes are formed in the surface of the circuit board body, limiting structures are arranged on the inner walls of the round holes, and each limiting structure comprises a plurality of threaded rods. The multiple threaded rods are slidably connected with the inner walls of the round holes correspondingly, limiting blocks are fixedly connected to one ends of the threaded rods, round rods are rotatably connected to the surfaces of the limiting blocks, rectangular boxes are fixedly connected to the two ends of each round rod, and U-shaped plates are slidably connected to the inner walls of the two rectangular boxes; two springs are fixedly connected to the inner wall of the rectangular box, the other ends of the two springs are fixedly connected with a U-shaped plate, two sliding grooves are formed in the two sides of the U-shaped plate, two sliding blocks are fixedly connected to the surface of the rectangular box, and the sliding blocks are slidably connected with the inner walls of the sliding grooves. According to the utility model, the problem that a special tool is needed for mounting and dismounting the screws for fixing the circuit board is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a high-efficiency voltage conversion circuit board. Background Art

[0002] A circuit board is a substrate used to support and connect electronic components. It is usually made of insulating material and covered with conductive material to form a circuit. A high-efficiency voltage conversion circuit board is a circuit board used to convert voltage from one level to another. High-efficiency voltage conversion circuit boards are usually designed to improve energy utilization, reduce energy loss, and ensure the stability and reliability of the circuit.

[0003] Existing related technologies often have the following defects: existing circuit boards need to be fixed with bolts during installation, and special tools are required to install and remove the screws that fix the circuit boards, which may increase the difficulty and cost of maintenance. Carrying special tools may increase the burden on maintenance personnel, making it difficult to disassemble the circuit boards.

[0004] Therefore, the utility model provides a high-efficiency voltage conversion circuit board. Utility Model Content

[0005] The utility model aims to solve the defect in the prior art that special tools are needed to install and remove screws for fixing a circuit board, and proposes a high-efficiency voltage conversion circuit board.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-efficiency voltage conversion circuit board, including a circuit board body, a plurality of circular holes are opened on the surface of the circuit board body, and a limiting structure is provided on the inner wall of the circular hole. The limiting structure includes a plurality of threaded rods, and the plurality of threaded rods are respectively slidably connected to the inner wall of the circular hole, one end of the threaded rod is fixedly connected to a limiting block, and the surface of the limiting block is rotatably connected to a round rod, and both ends of the round rod are fixedly connected to a rectangular box, and the inner walls of the two rectangular boxes are slidably connected to a U-shaped plate, and the inner wall of the rectangular box is fixedly connected to two springs, and the other ends of the two springs are fixedly connected to the U-shaped plate.

[0007] The effect achieved by the above components is: by setting the limiting structure, it is achieved to avoid the need to use special tools for installation when installing the circuit board, thereby reducing the difficulty of installing the circuit board.

[0008] Preferably, two slide grooves are provided on both sides of the U-shaped plate, and two sliding blocks are fixedly connected to the surface of the rectangular box, and the sliding blocks are slidably connected to the inner walls of the slide grooves.

[0009] The effect achieved by the above components is that the movement of the U-shaped plate causes the slider to slide in the slide groove, and the slider limits the movement path of the U-shaped plate to prevent the U-shaped plate from escaping from the rectangular box.

[0010] Preferably, an arc-shaped groove is provided on one side of the limit block, and the size of the arc-shaped groove is matched with the size of the U-shaped plate.

[0011] The effect achieved by the above components is that the U-shaped plate will move out of the arc groove, and the arc groove reaches the position of limiting the U-shaped plate, thereby preventing the U-shaped plate from deflecting.

[0012] Preferably, a threaded sleeve is fixedly connected to the inner wall of the circular hole, and the threaded sleeve is threadedly connected to the arc surface of the threaded rod.

[0013] The effect achieved by the above components is that the threaded rod rotates and moves in the threaded sleeve with the help of the thread, and the threaded sleeve can prevent the threaded rod from rubbing against the inner wall of the round hole, thereby preventing the circuit board from being damaged.

[0014] Preferably, a protective pad is fixedly connected to the surface of the circuit board body, and the protective pad is a rubber pad.

[0015] The effect achieved by the above components is that the movement of the threaded rod will drive the limit block to move until the limit block is tightly fitted to the surface of the protective pad, and the protective pad can prevent the limit block from rubbing against the circuit board and causing damage to the circuit board.

[0016] Preferably, a spring sheet is fixedly connected to the surface of the circuit board body, and the spring sheet is a copper sheet.

[0017] The effect achieved by the above components is that the circuit board drives the spring sheet to fit the surface of the installation position, and the spring sheet can facilitate the circuit board to be ejected from the installation position when the circuit board is removed.

[0018] Preferably, both sides of the limit block are fixedly connected to a limit frame, a rectangular block is slidably connected to the surface of the limit frame, and the rectangular block is fixedly connected to one end of the rectangular box.

[0019] The effect achieved by the above components is that the rectangular block moves and rotates along the surface of the limiting frame, and the limiting frame limits the rotation path of the rectangular block, thereby limiting the rotation path of the U-shaped plate.

[0020] In summary:

[0021] 1. In the utility model, by setting a limit structure, the U-shaped plate is rotated to a suitable angle, and then the U-shaped plate is rotated. The rotation of the U-shaped plate will drive the rectangular box to rotate, the rotation of the rectangular box will drive the round rod to rotate, the rotation of the round rod will drive the limit block to rotate, and the rotation of the limit block will drive the threaded rod to rotate, thereby facilitating the rotation of the threaded rod and then facilitating the installation of the circuit board, thereby avoiding the need to use special tools for installation and reducing the difficulty of installing the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 For this utility model Figure 1 Schematic diagram of the local structure in;

[0024] Figure 3 It is a structural schematic diagram of the threaded rod of the utility model;

[0025] Figure 4 For this utility model Figure 3 A in the enlarged view;

[0026] Figure 5 This is a schematic diagram of the disassembled structure of the U-shaped plate of the utility model;

[0027] Figure 6 For this utility model Figure 1 Another angle diagram of the structure.

[0028] Legend: 1. Circuit board body; 2. Round hole; 3. Limiting structure; 301. Threaded rod; 302. Limiting block; 303. Round rod; 304. Rectangular box; 305. U-shaped plate; 306. Spring; 307. Slide groove; 308. Slider; 309. Arc groove; 310. Threaded sleeve; 311. Protective pad; 312. Shrapnel; 313. Limiting frame; 314. Rectangular block. DETAILED DESCRIPTION

[0029] Reference Figure 1 and Figure 2 As shown, the utility model provides a technical solution: a high-efficiency voltage conversion circuit board, including a circuit board body 1, a plurality of circular holes 2 are opened on the surface of the circuit board body 1, and a limiting structure 3 is provided on the inner wall of the circular hole 2. By setting the limiting structure 3, the need to use special tools for installation when installing the circuit board body 1 is avoided, thereby reducing the difficulty of installing the circuit board body 1.

[0030] Reference Figure 2 - Figure 6As shown, in this embodiment: the limiting structure 3 includes a plurality of threaded rods 301, and the plurality of threaded rods 301 are respectively slidably connected to the inner wall of the circular hole 2, one end of the threaded rod 301 is fixedly connected to the limiting block 302, the surface of the limiting block 302 is rotatably connected to a round rod 303, both ends of the round rod 303 are fixedly connected to a rectangular box 304, the inner walls of the two rectangular boxes 304 are slidably connected to a U-shaped plate 305, the inner wall of the rectangular box 304 is fixedly connected to two springs 306, and the other ends of the two springs 306 are fixedly connected to the U-shaped plate 305. The limiting structure 3 includes a plurality of threaded rods 301, which are respectively slidably connected to the inner wall of the circular hole 2, one end of the threaded rod 301 is fixedly connected to the limiting block 302, the surface of the limiting block 302 is rotatably connected to the round rod 303, both ends of the round rod 303 are fixedly connected to rectangular boxes 304, the inner walls of the two rectangular boxes 304 are slidably connected to U-shaped plates 305, the inner walls of the rectangular boxes 304 are fixedly connected to two springs 306, the other ends of the two springs 306 are fixedly connected to the U-shaped plates 305, and by setting the limiting structure 3, the need to use special tools for installation when installing the circuit board is avoided, thereby reducing the difficulty of installing the circuit board. Two slide grooves 307 are provided on both sides of the U-shaped plate 305. Two sliders 308 are fixedly connected to the surface of the rectangular box 304. The sliders 308 are slidably connected to the inner wall of the slide grooves 307. The movement of the U-shaped plate 305 causes the sliders 308 to slide in the slide grooves 307. The sliders 308 limit the movement path of the U-shaped plate 305 and prevent the U-shaped plate 305 from slipping out of the rectangular box 304. An arc groove 309 is provided on one side of the limit block 302. The size of the arc groove 309 matches the size of the U-shaped plate 305. The U-shaped plate 305 will slip out of the arc groove 309 when it moves. The arc groove 309 limits the position of the U-shaped plate 305, thereby preventing the U-shaped plate 305 from deviating. The inner wall of the circular hole 2 is fixedly connected with a threaded sleeve 310, and the threaded sleeve 310 is threadedly connected with the arc surface of the threaded rod 301. The threaded rod 301 rotates and moves in the threaded sleeve 310 with the help of the thread. The threaded sleeve 310 can prevent the friction between the threaded rod 301 and the inner wall of the circular hole 2, which causes damage to the circuit board. The surface of the circuit board body 1 is fixedly connected with a protective pad 311, which is a rubber pad. The movement of the threaded rod 301 will drive the limit block 302 to move until the limit block 302 fits tightly on the surface of the protective pad 311. The protective pad 311 can prevent the friction between the limit block 302 and the circuit board and cause damage to the circuit board. The surface of the circuit board body 1 is fixedly connected with a spring 312, which is a copper sheet. The circuit board will drive the spring 312 to fit on the surface of the installation position. The spring 312 can facilitate the circuit board to be ejected from the installed position when the circuit board is disassembled.Both sides of the limit block 302 are fixedly connected to the limit frame 313, and the surface of the limit frame 313 is slidably connected to a rectangular block 314, which is fixedly connected to one end of the rectangular box 304. The movement of the rectangular block 314 will rotate along the surface of the limit frame 313, and the limit frame 313 can limit the rotation path of the rectangular block 314, thereby limiting the rotation path of the U-shaped plate 305.

[0031] Working principle: when the circuit board body 1 needs to be installed, first pull the U-shaped plate 305, the movement of the U-shaped plate 305 will move in the rectangular box 304, the movement of the U-shaped plate 305 will come out of the arc groove 309, the arc groove 309 reaches the position of limiting the U-shaped plate 305, thereby preventing the U-shaped plate 305 from deflecting, the movement of the U-shaped plate 305 will cause the spring 306 to stretch, at this time the spring 306 is in a stretched state, the movement of the U-shaped plate 305 will cause the slider 308 to slide in the slide groove 30 7, the slider 308 reaches the function of limiting the moving path of the U-shaped plate 305 to prevent the U-shaped plate 305 from escaping from the rectangular box 304, and then the U-shaped plate 305 is rotated, the rotation of the U-shaped plate 305 will drive the rectangular box 304 to move, the movement of the rectangular box 304 will drive the round rod 303, the rotation of the rectangular box 304 will drive the rectangular block 314 to move, the movement of the rectangular block 314 will rotate along the surface of the limiting frame 313, the limiting frame 313 reaches the limit rotation path of the rectangular block 314, thereby limiting the U-shaped plate 305. 05, when the rectangular box 304 is rotated to a suitable position, the circuit board is placed at the installation position, the circuit board will drive the spring piece 312 to fit the surface of the installation position, so that the circular hole 2 is aligned with the position of the installation hole, and the U-shaped plate 305 is rotated. The rotation of the U-shaped plate 305 will drive the rectangular box 304 to rotate, the rotation of the rectangular plate will drive the round rod 303 to rotate, the rotation of the round rod 303 will drive the limit block 302 to rotate, the rotation of the limit block 302 will drive the threaded rod 301 to rotate, the rotation of the threaded rod 301 will move in the threaded sleeve 310 with the help of the thread, the threaded sleeve 310 can prevent the threaded rod 301 from rubbing against the inner wall of the circular hole 2 and causing damage to the circuit board, the threaded rod 301 will be moved to a suitable position and screwed into the installation hole, the movement of the threaded rod 301 will drive the limit block 302 to move until the limit block 302 is tightly fitted on the surface of the protective pad 311, and the protective pad 311 can prevent the limit block 302 from rubbing against the circuit board body 1 and causing damage to the circuit board body 1.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A high-efficiency voltage conversion circuit board, comprising a circuit board body (1), a surface of the circuit board body (1) is provided with a plurality of circular holes (2), the inner wall of the circular hole (2) is provided with a limiting structure (3), characterized in that: The limiting structure (3) comprises a plurality of threaded rods (301), wherein the plurality of threaded rods (301) are respectively slidably connected to the inner wall of the circular hole (2), one end of the threaded rod (301) is fixedly connected to a limiting block (302), a round rod (303) is rotatably connected to the surface of the limiting block (302), both ends of the round rod (303) are fixedly connected to rectangular boxes (304), the inner walls of the two rectangular boxes (304) are slidably connected to U-shaped plates (305), the inner walls of the rectangular boxes (304) are fixedly connected to two springs (306), and the other ends of the two springs (306) are fixedly connected to the U-shaped plate (305).

2. The high-efficiency voltage conversion circuit board according to claim 1, characterized in that: Two slide grooves (307) are provided on both sides of the U-shaped plate (305), and two sliders (308) are fixedly connected to the surface of the rectangular box (304), and the sliders (308) are slidably connected to the inner walls of the slide grooves (307).

3. The high-efficiency voltage conversion circuit board according to claim 1, characterized in that: An arc-shaped groove (309) is provided on one side of the limiting block (302), and the size of the arc-shaped groove (309) is adapted to the size of the U-shaped plate (305).

4. The high-efficiency voltage conversion circuit board according to claim 1, characterized in that: A threaded sleeve (310) is fixedly connected to the inner wall of the circular hole (2), and the threaded sleeve (310) is threadedly connected to the arc surface of the threaded rod (301).

5. The high-efficiency voltage conversion circuit board according to claim 1, characterized in that: A protective pad (311) is fixedly connected to the surface of the circuit board body (1), and the protective pad (311) is a rubber pad.

6. The high-efficiency voltage conversion circuit board according to claim 1, characterized in that: A spring sheet (312) is fixedly connected to the surface of the circuit board body (1), and the spring sheet (312) is a copper sheet.

7. The high-efficiency voltage conversion circuit board according to claim 1, characterized in that: Both sides of the limit block (302) are fixedly connected to a limit frame (313), the surface of the limit frame (313) is slidably connected to a rectangular block (314), and the rectangular block (314) is fixedly connected to one end of the rectangular box (304).

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