CN220511334U - Circuit board fixing device - Google Patents

Abstract

The utility model discloses a circuit board fixing device, and relates to the technical field of fixing devices. The utility model comprises a base, a bearing seat and abutting plates, wherein the bearing seat is symmetrically arranged on two sides of the base, the abutting plates are fixed on the base, a fixing mechanism is arranged on the base, and the fixing mechanism comprises a linkage unit and a clamping unit. According to the utility model, the sliding plate is driven to move on the guide rail by eccentric rotation of the linkage wheel, the clamping plate is abutted against the circuit board while moving, and is driven to move reversely along the moving direction of the sliding plate by extrusion acting force, at the moment, the clamping plate extrudes the spring to shrink, the circuit board is abutted tightly by the elasticity provided by the spring, so that the circuit board can be safely and rapidly fixed, the problem that the circuit board is damaged due to rigid contact between the clamping plate and the circuit board is avoided, and the spring can shrink to a certain extent, so that the device can rapidly fix the circuit boards with different widths.

Description

Circuit board fixing device

Technical Field

The utility model relates to the technical field of fixing device equipment, in particular to a circuit board fixing device.

Background

The circuit board, which is called a printed board for short, is one of important parts of the electronic industry, almost every electronic device, as small as an electronic watch, a calculator, as large as a computer, a communication electronic device and a military weapon system, and only needs electronic components such as an integrated circuit, etc., in order to electrically interconnect the components, the printed board is used, and in the integration process, the electronic components are required to be packaged, overhauled and performance tested in a plurality of processes, and before the operations are performed, a fixing device is required to fix the circuit board.

However, the existing circuit board fixing device still has some problems, for example, most of the existing fixing devices fix the circuit board by clamping the circuit board by a clamp, the clamp is generally driven to move by a link mechanism to clamp the circuit board, the whole structure formed by the link mechanism and the clamp is a rigid structure, when the clamp contacts the circuit board, the two are in rigid contact, namely, the buffer can not be carried out, the circuit board can only be clamped by the preset force in advance, and when the circuit boards of different types are fixed, the clamping force of the clamping plate needs to be adjusted, otherwise, the circuit board can be damaged due to overlarge clamping force, or the circuit board can not be fixed due to insufficient clamping force, so that the operation is complicated, time and labor are wasted.

Disclosure of Invention

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a circuit board fixing device, the on-line screen storage device comprises a base, support bracket and butt board, the support bracket is the symmetry setting in the base both sides, the butt board is fixed on the base, and be located between two adjacent support brackets, be provided with fixed establishment on the base, fixed establishment includes linkage unit and clamping unit, the linkage unit includes the sliding plate, fixture block and guide rail, the guide rail is fixed on the base, the bottom at the sliding plate is fixed to the fixture block, and its slip joint is on the guide rail, clamping unit includes splint and connecting rod, connecting rod sliding connection is on the sliding plate, the one end at the connecting rod is fixed to the splint, the circuit board is placed on the support bracket, and its one side and butt board butt, splint and circuit board opposite side butt.

Further, the linkage unit further comprises a linkage wheel and a rotating rod, one end of the rotating rod is connected to the edge of the linkage wheel, the other end of the rotating rod is rotatably connected to the base, the linkage wheel and the base form an eccentric rotating structure through the rotating rod, the eccentric rotating structure is located at the center of one side of the sliding plate, and a handle is arranged on the outer wall of the linkage wheel.

Further, the clamping unit further comprises a limiting disc and a spring, the spring is sleeved outside the connecting rod and located between the sliding plate and the clamping plate, and the limiting disc is fixed on the connecting rod and is larger than a through hole in the sliding plate, wherein the through hole is used for penetrating the connecting rod.

Further, two guide rods are symmetrically fixed at two ends of the clamping plate, through holes are formed in two ends of the sliding plate in a penetrating mode, and the guide rods penetrate through the through holes in a sliding mode.

Further, the limiting groove with the arc-shaped structure penetrates through the connecting wheel, the limiting rod is fixed on the base, and the limiting rod is slidably clamped in the limiting groove.

Further, rubber pads are glued on the side walls of the clamping plates, and the rubber pads are made of soft rubber materials to form a rectangular structure.

The beneficial effects of the utility model are as follows:

when the device is used, the linkage wheel is rotated by the handle to eccentrically rotate, the outer wall of the linkage wheel is abutted with the sliding plate, the sliding plate is pushed to move on the guide rail, the clamping plate is abutted with the circuit board when moving, and the clamping plate is pushed to reversely move along the moving direction of the sliding plate by extrusion acting force, at the moment, the clamping plate extrudes the spring to shrink, and meanwhile, the spring generates elastic acting force, and the circuit board is abutted tightly by the elastic force provided by the spring, so that the circuit board can be safely and quickly fixed, the problem that the circuit board is damaged due to rigid contact between the clamping plate and the circuit board is avoided, and the device can quickly fix the circuit boards with different widths due to the fact that the spring can shrink to a certain extent, so that time and labor are saved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the securing mechanism of the present utility model;

FIG. 3 is a schematic view of the clamping plate and its connection structure according to the present utility model;

FIG. 4 is a schematic view of the base and its connection structure according to the present utility model;

reference numerals: 1. a base; 2. a support bracket; 3. a linkage wheel; 4. a rotating rod; 5. a limit rod; 6. a limit groove; 7. a sliding plate; 8. a clamping block; 9. a guide rail; 10. a guide rod; 11. a clamping plate; 12. a connecting rod; 13. a limiting disc; 14. a spring; 15. and an abutting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-4, a circuit board fixing device, including base 1, supporting seat 2 and butt plate 15, supporting seat 2 is symmetrical setting in base 1 both sides, butt plate 15 is fixed on base 1, and be located between two adjacent supporting seats 2, be provided with fixed establishment on base 1, fixed establishment includes linkage unit and clamping unit, the linkage unit includes sliding plate 7, fixture block 8 and guide rail 9, guide rail 9 is fixed on base 1, fixture block 8 is fixed in the bottom of sliding plate 7, and its slip joint is on guide rail 9, clamping unit includes splint 11 and connecting rod 12, connecting rod 12 sliding connection is on sliding plate 7, splint 11 is fixed in the one end of connecting rod 12, the circuit board is placed on supporting seat 2, and its one side and butt plate 15 butt, splint 11 and circuit board opposite side butt, specifically, when using, place the circuit board between two adjacent supporting seats 2, then rotate the linkage wheel 3 and make it eccentric rotation, make it move on guide rail 9 through the extrusion sliding plate 7, in the moving, at the same time, splint 11 promotes with the circuit board and through the extrusion 11 and the elastic force of the opposite direction of the sliding plate 7, and can be fixed by the spring 14 through the extrusion of the tight side of the sliding plate.

As shown in fig. 1 to 4, in some embodiments, the linkage unit further includes a linkage wheel 3 and a rotating rod 4, one end of the rotating rod 4 is connected to an edge of the linkage wheel 3, the other end of the rotating rod is rotatably connected to the base 1, the linkage wheel 3 and the base 1 form an eccentric rotation structure through the rotating rod 4, the eccentric rotation structure is located at a center of one side of the sliding plate 7, a handle is arranged on an outer wall of the linkage wheel 3, and specifically, the linkage wheel 3 is rotated by the handle to eccentrically rotate, so that the outer wall of the linkage wheel is abutted against the sliding plate 7, and the sliding plate 7 is pushed to move.

As shown in fig. 1-3, in some embodiments, the clamping unit further includes a limiting disc 13 and a spring 14, the spring 14 is sleeved outside the connecting rod 12 and is located between the sliding plate 7 and the clamping plate 11, the limiting disc 13 is fixed on the connecting rod 12, the diameter of the limiting disc is larger than the through hole used for penetrating the connecting rod 12 in the sliding plate 7, specifically, the limiting disc 13 limits the connecting rod 12 to avoid falling off from the sliding plate 7, the clamping plate 11 is pushed by the elastic force of the spring 14 to tightly support the circuit board, rigid contact between the clamping plate 11 and the circuit board is avoided, the circuit board is prevented from being damaged, and meanwhile, the device can quickly fix the circuit boards with different widths through shrinkage of the spring 14.

As shown in fig. 3, in some embodiments, two guide rods 10 are symmetrically fixed at two ends of the clamping plate 11, through holes are formed at two ends of the sliding plate 7, the guide rods 10 are slidably inserted into the through holes, and the clamping plate 11 is limited by the guide rods 10 to move horizontally.

As shown in fig. 1 to 4, in some embodiments, a limiting groove 6 with an arc structure is formed in the linkage wheel 3 in a penetrating manner, a limiting rod 5 is fixed on the base 1, the limiting rod 5 is slidably clamped in the limiting groove 6, and the limiting of the rotation range of the linkage wheel 3 is achieved through the limiting rod 5.

As shown in fig. 3, in some embodiments, a rubber pad is glued on the side wall of the clamping plate 11, and the rubber pad is made of soft rubber material to form a rectangular structure, and the clamping plate 11 is isolated from the circuit board by the rubber pad, so that the two are prevented from being rigidly contacted.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides a circuit board fixing device, includes base (1), bearing seat (2) and butt board (15), its characterized in that, bearing seat (2) are the symmetry setting in base (1) both sides, butt board (15) are fixed on base (1), and are located between two adjacent bearing seats (2), be provided with fixed establishment on base (1), fixed establishment includes linkage unit and clamping unit, the linkage unit includes sliding plate (7), fixture block (8) and guide rail (9), guide rail (9) are fixed on base (1), the bottom at sliding plate (7) is fixed to fixture block (8), and its slip joint is on guide rail (9), the clamping unit includes splint (11) and connecting rod (12), connecting rod (12) sliding connection is on sliding plate (7), splint (11) are fixed in the one end of connecting rod (12), and the circuit board is placed on base (2), and its one side and butt of supporting plate (15), splint (11) and circuit butt.

2. The circuit board fixing device according to claim 1, wherein the linkage unit further comprises a linkage wheel (3) and a rotating rod (4), one end of the rotating rod (4) is connected to the edge of the linkage wheel (3), the other end of the rotating rod is rotatably connected to the base (1), the linkage wheel (3) and the base (1) form an eccentric rotating structure through the rotating rod (4), the eccentric rotating structure is located at the center of one side of the sliding plate (7), and a handle is arranged on the outer wall of the linkage wheel (3).

3. A circuit board fixing device according to claim 1, characterized in that the clamping unit further comprises a limit disc (13) and a spring (14), wherein the spring (14) is sleeved outside the connecting rod (12) and is located between the sliding plate (7) and the clamping plate (11), and the limit disc (13) is fixed on the connecting rod (12) and has a diameter larger than a through hole in the sliding plate (7) for penetrating the connecting rod (12).

4. The circuit board fixing device according to claim 1, wherein two guide rods (10) are symmetrically fixed at two ends of the clamping plate (11), through holes are formed in two ends of the sliding plate (7), and the guide rods (10) are slidably arranged in the through holes in a penetrating mode.

5. The circuit board fixing device according to claim 2, wherein the connecting wheel (3) is provided with a limiting groove (6) with an arc structure in a penetrating mode, the base (1) is fixedly provided with a limiting rod (5), and the limiting rod (5) is in sliding clamping connection with the limiting groove (6).

6. The circuit board fixing device according to claim 1, wherein a rubber pad is glued on the side wall of the clamping plate (11), and the rubber pad is made of soft rubber material to form a rectangular structure.