PCB with anti-wear effect

Abstract

The utility model discloses a PCB with an anti-wear effect, which belongs to the technical field of circuit boards and comprises a circuit board body and a placement shell, two bumps are fixedly connected to the inner wall of the bottom of the placement shell, the outer sides of the two bumps are movably inserted into the inner side of the bottom of the same circuit board body, two push plates are slidably connected to the inner wall of the bottom of the placement shell, and the push plates are movably inserted into the inner side of the bottom of the placement shell. Rotating shafts are fixedly connected to the inner sides of the two push plates, rotating rods are rotatably connected to the outer sides of the two rotating shafts, rotating frames are fixedly connected to the outer sides of the two rotating rods, transverse strips are slidably connected to the inner sides of the two push plates, vertical strips movably abut against one sides of the two transverse strips, and the tops of the two vertical strips movably abut against the bottoms of the corresponding rotating frames; and one side of each of the two rotating frames is fixedly connected with an extrusion plate. The circuit board clamping device is reasonable in structural design, and the circuit board body can be clamped in multiple directions through cooperation of the placement shell, the motor, the push plate, the rotating shaft, the extrusion plate and the push plate, so that the circuit board clamping device is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a PCB circuit board with anti-wear effect. Background Art

[0002] Printed circuit board, also known as printed circuit board, is the provider of electrical connection of electronic components. Printed circuit board is mostly represented by "PCB" instead of "PCB board". Its development has a history of more than 100 years; its design is mainly layout design; the main advantage of using circuit board is that it greatly reduces wiring and assembly errors, improves the level of automation and production labor rate. According to the number of layers of circuit board, it can be divided into single-sided board, double-sided board, four-layer board, six-layer board and other multi-layer circuit boards. The patent document with publication number CN 219204802 U discloses a printed circuit board with an anti-wear structure, including a fixed plate and a circuit board body, the upper surface of the fixed plate is provided with a mounting groove for mounting the circuit board body, the side wall of the mounting groove of the fixed plate is provided with a fixing mechanism for fixing the circuit board body, the fixing mechanism includes a groove provided on the side of the fixed plate, and a movable rod provided inside the groove, the fixed plate is provided with a through hole connected to the mounting groove at the bottom of the groove, and the fixed plate is provided with a baffle at the port of the groove, one end of the movable rod passes through the through hole and extends to the inside of the mounting groove.

[0003] In the above technical solution, when fixing the circuit board, bolts are only used to clamp the circuit board from top to bottom, and the bolts are easy to loosen and fall off after long-term use, thus affecting the fixation of the circuit board; therefore, we propose a PCB circuit board with anti-wear effect to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to provide a PCB circuit board with anti-wear effect to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A PCB circuit board with anti-wear effect comprises: a circuit board body and a placement shell, wherein two protrusions are fixedly connected to the inner wall of the bottom of the placement shell, and the outer sides of the two protrusions are movably inserted into the inner side of the bottom of the same circuit board body, and two push plates are slidably connected to the inner wall of the bottom of the placement shell, and the inner sides of the two push plates are fixedly connected to a rotating shaft, and the outer sides of the two rotating shafts are rotatably connected to a rotating rod, and the outer sides of the two rotating rods are fixedly connected to a rotating frame, and the inner sides of the two push plates are slidably connected to a horizontal bar, and one side of the two horizontal bars is movably abutted with a vertical bar, and the tops of the two vertical bars are movably abutted against the bottom of the corresponding rotating frame, and one side of the two rotating frames is fixedly connected to an extrusion plate.

[0007] Preferably, the two push plates are fixedly connected on one side away from each other with rod No. 1, cylinder No. 2, spring No. 2 and spring No. 1, the two vertical bars are fixedly connected on one side to the other end of spring No. 1, the two vertical bars are fixedly connected on one side to cylinder No. 1, the inner sides of the two cylinders No. 1 are slidably connected to the outer sides of the corresponding rod No. 1, the two horizontal bars are fixedly connected on one side to the other end of spring No. 2, the two horizontal bars are fixedly connected on one side to rod No. 2, and the outer sides of the two rods No. 2 are slidably connected to the inner sides of the corresponding cylinder No. 2.

[0008] Preferably, a protective shell is fixedly connected to the front side of the placement shell, a motor is fixedly connected to the right inner wall of the protective shell, a screw is fixedly connected to the output end of the motor, a rectangular block is threadedly connected to the outer side of the screw, a sliding hole matching the rectangular block is opened on the front side of the placement shell, the outer sides of the two rectangular blocks are slidably connected in the corresponding sliding holes, and the rear sides of the two rectangular blocks are fixedly connected to the front sides of the corresponding push plates.

[0009] Preferably, a guide bar is fixedly connected between the inner walls on the left and right sides of the protective shell, and the outer side of the guide bar is slidably connected to the inner side of the rectangular block.

[0010] Preferably, the outer side of the screw is rotatably connected to the left inner wall of the protective shell, and the outer side of the screw is provided with two external threads with opposite rotation directions.

[0011] Preferably, a plurality of ventilation holes are provided at the bottom of the placement shell.

[0012] In the utility model, a PCB circuit board with anti-wear effect is described, by placing the circuit board body into the placement shell, at this time starting the motor, so that the screw rotates, causing the two push plates to approach each other, thereby slowly clamping the circuit board body, before the push plate clamps the circuit board body, the horizontal bar begins to abut against the circuit board body and moves in the opposite direction of the push plate, so that the vertical bar starts to move upward;

[0013] In the utility model, the PCB circuit board with anti-wear effect is described, by making the bottom of the rotating frame lifted by the top of the vertical bar, so that the rotating frame starts to rotate and the extrusion plate presses the circuit board body downward, when the push plate completes the extrusion of the circuit board body, the extrusion plate has also completed the extrusion;

[0014] The utility model has reasonable structural design, and the circuit board body can be clamped in multiple directions through the cooperation among the placement shell, the motor, the push plate, the rotating shaft, the extrusion plate and the push plate, so as to be more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a PCB circuit board with anti-wear effect proposed by the utility model;

[0016] Figure 2 This is a schematic cross-sectional structure diagram of a PCB circuit board with anti-wear effect proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the push plate and vertical bar structure proposed by the utility model;

[0018] Figure 4 This is a schematic diagram of the rectangular block and guide strip structure proposed by the utility model.

[0019] In the figure: 1. circuit board body; 2. placement shell; 3. bump; 4. push plate; 5. horizontal bar; 6. vertical bar; 7. rotating frame; 8. rotating shaft; 9. rotating rod; 10. extrusion plate; 11. No. 1 spring; 12. No. 1 cylinder; 13. No. 1 rod; 14. No. 2 rod; 15. No. 2 cylinder; 16. No. 2 spring; 17. protective shell; 18. motor; 19. screw; 20. rectangular block; 21. guide strip. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 A PCB circuit board with anti-wear effect comprises: a circuit board body 1 and a placement shell 2, wherein two protrusions 3 are fixedly connected to the inner wall of the bottom of the placement shell 2, and the outer sides of the two protrusions 3 are movably inserted into the inner side of the bottom of the same circuit board body 1, and two push plates 4 are slidably connected to the inner wall of the bottom of the placement shell 2, and the inner sides of the two push plates 4 are fixedly connected with a rotating shaft 8, and the outer sides of the two rotating shafts 8 are rotatably connected with a rotating rod 9, and the outer sides of the two rotating rods 9 are fixedly connected with a rotating frame 7, and the inner sides of the two push plates 4 are slidably connected with a horizontal bar 5, and one side of the two horizontal bars 5 is movably abutted with a vertical bar 6, and the tops of the two vertical bars 6 are movably abutted against the bottom of the corresponding rotating frame 7, and one side of the two rotating frames 7 is fixedly connected with an extrusion plate 10.

[0022] In this embodiment, the two push plates 4 are fixedly connected to the No. 1 rod 13, the No. 2 cylinder 15, the No. 2 spring 16 and the No. 1 spring 11 on one side away from each other, the two vertical bars 6 are fixedly connected to the other end of the No. 1 spring 11 on one side, the two vertical bars 6 are fixedly connected to the No. 1 cylinder 12 on one side, and the inner sides of the two No. 1 cylinders 12 are slidably connected to the outer side of the corresponding No. 1 rod 13, the two horizontal bars 5 are fixedly connected to the other end of the No. 2 spring 16 on one side, and the two horizontal bars 5 are fixedly connected to the No. 2 rod 14 on one side. The side is slidably connected to the inner side of the corresponding No. 2 cylinder 15, and a protective shell 17 is fixedly connected to the front side of the placement shell 2. A motor 18 is fixedly connected to the inner wall on the right side of the protective shell 17. A screw 19 is fixedly connected to the output end of the motor 18. A rectangular block 20 is threadedly connected to the outer side of the screw 19. A sliding hole matched with the rectangular block 20 is opened on the front side of the placement shell 2. The outer sides of the two rectangular blocks 20 are slidably connected in the corresponding sliding holes, and the rear sides of the two rectangular blocks 20 are fixedly connected to the front sides of the corresponding push plates 4, so that the push plates 4 can move.

[0023] In this embodiment, a guide bar 21 is fixedly connected between the inner walls on the left and right sides of the protective shell 17. The outer side of the guide bar 21 is slidably connected to the inner side of the rectangular block 20. The outer side of the screw 19 is rotatably connected to the left inner wall of the protective shell 17. The outer side of the screw 19 is provided with two external threads with opposite rotation directions. A plurality of ventilation holes are provided at the bottom of the placement shell 2 to facilitate heat dissipation of the circuit board body 1.

[0024] In the present embodiment, when in use, the circuit board body 1 is placed into the placement shell 2, and the motor 18 is started at this time, so that the screw 19 rotates, causing the two push plates 4 to approach each other, thereby slowly clamping the circuit board body 1. Before the push plates 4 clamp the circuit board body 1, the horizontal bars 5 begin to abut against the circuit board body 1 and move in the opposite direction of the push plates 4, so that the vertical bars 6 begin to move upward, thereby causing the bottom of the rotating frame 7 to be lifted up by the top of the vertical bars 6, causing the rotating frame 7 to start rotating and causing the extrusion plate 10 to squeeze the circuit board body 1 downward. When the push plates 4 complete the extrusion of the circuit board body 1, the extrusion plate 10 has also completed the extrusion.

[0025] The above is a detailed introduction to a PCB circuit board with anti-wear effect provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A PCB circuit board with anti-wear effect, characterized in that: include: A circuit board body (1) and a placement shell (2), wherein two protrusions (3) are fixedly connected to the inner wall of the bottom of the placement shell (2), and the outer sides of the two protrusions (3) are movably plugged into the inner side of the bottom of the same circuit board body (1); two push plates (4) are slidably connected to the inner wall of the bottom of the placement shell (2), and the inner sides of the two push plates (4) are fixedly connected to a rotating shaft (8), and the outer sides of the two rotating shafts (8) are rotatably connected to a rotating rod (9), and the outer sides of the two rotating rods (9) are fixedly connected to a rotating frame (7); the inner sides of the two push plates (4) are slidably connected to a horizontal bar (5), and one side of the two horizontal bars (5) is movably abutted against a vertical bar (6), and the tops of the two vertical bars (6) are movably abutted against the bottom of the corresponding rotating frame (7), and one side of the two rotating frames (7) is fixedly connected to an extrusion plate (10).

2. A PCB circuit board with anti-wear effect according to claim 1, characterized in that: The two push plates (4) are fixedly connected to the No. 1 rod (13), the No. 2 cylinder (15), the No. 2 spring (16) and the No. 1 spring (11) on one side away from each other; the two vertical bars (6) are fixedly connected to the other end of the No. 1 spring (11) on one side; the two vertical bars (6) are fixedly connected to the No. 1 cylinder (12) on one side; the inner sides of the two No. 1 cylinders (12) are slidably connected to the outer sides of the corresponding No. 1 rod (13); the two horizontal bars (5) are fixedly connected to the other end of the No. 2 spring (16); the two horizontal bars (5) are fixedly connected to the No. 2 rod (14) on one side; the outer sides of the two No. 2 rods (14) are slidably connected to the inner sides of the corresponding No. 2 cylinders (15).

3. The PCB circuit board with anti-wear effect according to claim 1, characterized in that: The front side of the placement shell (2) is fixedly connected to a protective shell (17), the right inner wall of the protective shell (17) is fixedly connected to a motor (18), the output end of the motor (18) is fixedly connected to a screw rod (19), the outer side of the screw rod (19) is threadedly connected to a rectangular block (20), the front side of the placement shell (2) is provided with a sliding hole adapted to the rectangular block (20), the outer sides of the two rectangular blocks (20) are slidably connected in the corresponding sliding holes, and the rear sides of the two rectangular blocks (20) are fixedly connected to the front sides of the corresponding push plates (4).

4. The PCB circuit board with anti-wear effect according to claim 3, characterized in that: A guide bar (21) is fixedly connected between the inner walls on the left and right sides of the protective shell (17), and the outer side of the guide bar (21) is slidably connected to the inner side of the rectangular block (20).

5. The PCB circuit board with anti-wear effect according to claim 3, characterized in that: The outer side of the screw rod (19) is rotatably connected to the left inner wall of the protective shell (17), and the outer side of the screw rod (19) is provided with two external threads with opposite rotation directions.

6. The PCB circuit board with anti-wear effect according to claim 1, characterized in that: The bottom of the placement shell (2) is provided with a plurality of ventilation holes.

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