CN219026472U

CN219026472U - PCB fixing structure

Info

Publication number: CN219026472U
Application number: CN202223372462.5U
Authority: CN
Inventors: 刘伟; 刘辉
Original assignee: Shenzhen Haoda Circuit Co ltd
Current assignee: Shenzhen Haoda Circuit Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-16
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a PCB fixing structure, which relates to the technical field of PCB production and comprises a base, wherein the PCB fixing structure comprises the base, rubber bottom plates for supporting are fixedly arranged on two sides of the lower surface of the base, mounting holes for mounting are formed in two sides of the upper surface of the base in a penetrating manner, and a fixing assembly for fixing a PCB is arranged on one side of the upper surface of the base. According to the utility model, the PCB is placed on the base by the worker, and then the fixing assembly is used, so that the position of the PCB is fixed under the cooperation of the fixing assembly, and compared with the mode of manually pressing and fixing by the worker, the fixing effect is greatly enhanced, so that the PCB cannot move during soldering by the worker, the situation that the soldering position of the PCB is inclined due to the movement of the PCB during soldering by the worker is avoided, and the quality of the PCB is ensured.

Description

PCB fixing structure

Technical Field

The utility model relates to the technical field of PCB production, in particular to a PCB fixing structure.

Background

PCB (printed circuit board), a printed wiring board, is one of the important components of the electronics industry. Almost every electronic device, as small as an electronic watch, a calculator, as large as a computer, a communication electronic device, a military weapon system, has only electronic components such as an integrated circuit, and a printed board is used for electrically interconnecting the respective components. When producing or maintaining the PCB board, need fix the PCB board to carry out the soldering to the PCB board to the staff, and current fixed mode is generally that the staff holds the PCB board with one hand, and the other hand holds soldering equipment and carries out the soldering to the PCB board, and the staff when soldering, and the staff holds the hand of PCB board and very easily removes, leads to the solder joint welding position to produce askew, leads to the quality straight line of PCB board to descend.

Disclosure of Invention

The utility model mainly aims to provide a PCB fixing structure which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the PCB fixing structure comprises a base, wherein rubber bottom plates for supporting are fixedly arranged on two sides of the lower surface of the base;

mounting holes for mounting are formed in two sides of the upper surface of the base in a penetrating manner;

and a fixing component for fixing the PCB is arranged on one side of the upper surface of the base.

Preferably, the fixing assembly comprises a tightening plate, two clamping plates are movably arranged on one side of the tightening plate, and tightening blocks are movably arranged on the opposite sides of the two clamping plates.

Preferably, the opposite sides of the two jacking plates are provided with sliding grooves, sliding blocks are arranged in the two sliding grooves in a sliding manner, and the opposite sides of the two sliding blocks are fixedly connected with the corresponding jacking blocks respectively;

the surface of the opposite side of each sliding block is provided with a mounting groove, two sliding rods are fixedly mounted on two sides of the inner wall of each mounting groove, lifting blocks are arranged on one side of each two adjacent sliding rod bodies in a sliding manner, elastic pieces are sleeved on the other side of each sliding rod body, and pressing plates are fixedly mounted on one sides of the two lifting blocks;

two the mounting groove inner wall both sides surface has all run through and has been seted up dodge the groove, every two adjacent lifting block is kept away from the equal fixed mounting of elastic component one side has the fixed block.

Preferably, the elastic member is a spring.

Preferably, the limiting grooves are formed in the inner bottom surfaces of the sliding grooves, limiting blocks are slidably arranged in the limiting grooves, and the upper surfaces of the limiting blocks are fixedly connected with the corresponding sliding blocks respectively.

Preferably, a moving groove is formed in one side of the jacking plate, two moving blocks are slidably arranged in the moving groove, and one sides of the two moving blocks are fixedly connected with corresponding clamping plates respectively;

the two-way threaded rod is rotatably installed between the two sides of the inner wall of the movable groove, the two movable blocks are respectively arranged on the two sides of the rod body of the two-way threaded rod in a threaded mode, and one end of the two-way threaded rod penetrates through the jacking plate and is fixedly provided with the rotating wheel.

Preferably, the upper surface of the base is provided with a connecting groove, a rubber plate is fixedly arranged in the connecting groove, and the upper surface of the rubber plate is flush with the upper surface of the base.

(1) The staff is through placing the PCB board on the base, then through using fixed subassembly, under fixed subassembly's cooperation effect, PCB board fixed position compares with the manual mode of pressing the fixing of staff, and fixed effect strengthens greatly to make the staff when soldering, the PCB board can not produce the removal, avoided the staff to produce crooked condition emergence because of the PCB board removes the solder joint position that leads to when carrying out the soldering work, guaranteed the quality of PCB board.

(2) The staff makes it drive the rotation of two-way threaded rod through rotating the runner, and two movable blocks are driven along the relative movement of movable groove to pivoted two-way threaded rod passes through the mode that the screw precessed to not only make splint can carry out the centre gripping to the board, can adjust the position of tight piece in top according to the size of PCB board moreover, and then strengthened the practicality.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a PCB board fixing structure according to the present utility model;

fig. 2 is a schematic top view of a PCB board fixing structure according to the present utility model;

FIG. 3 is a schematic view of a cross-sectional structure of a portion A-A of FIG. 2 showing a PCB fixing structure according to the present utility model;

FIG. 4 is a schematic view of a cross-sectional structure of the PCB fixing structure of the present utility model at B-B in FIG. 2;

fig. 5 is an enlarged schematic view of the structure of fig. 4 a of the PCB board fixing structure according to the present utility model.

In the figure: 1. a base; 2. a rubber bottom plate; 3. a fixing assembly; 301. a pressing plate; 302. a clamping plate; 303. a tightening block; 304. a chute; 305. a slide block; 306. a mounting groove; 307. a slide bar; 308. a lifting block; 309. an elastic member; 3010. pressing the plate; 3011. a fixed block; 3012. a limit groove; 3013. a limiting block; 4. a mounting hole; 5. a moving groove; 501. a moving block; 502. a two-way threaded rod; 503. a rotating wheel; 6. a rubber plate.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-5, the embodiment of the utility model provides a PCB fixing structure, which comprises a base 1, wherein rubber bottom plates 2 for supporting are fixedly installed on both sides of the lower surface of the base 1;

mounting holes 4 for mounting are formed in two sides of the upper surface of the base 1 in a penetrating manner;

a fixing assembly 3 for fixing the PCB is installed at one side of the upper surface of the base 1.

The staff is through installing base 1 in working position with fixing bolt and mounting hole 4 cooperation, through the effect of rubber bottom plate 2, avoid base 1 and working face contact and produce wearing and tearing, the staff places the PCB board on base 1 afterwards, use fixed subassembly 3 afterwards, under fixed subassembly 3's cooperation, PCB board fixed position, compare with the manual mode of pressing and fixing of staff, fixed effect strengthens greatly, thereby make the staff when soldering, the PCB board can not produce and remove, avoided the staff to produce crooked condition emergence because of the PCB board removes the solder spot welding position that leads to when carrying out soldering work, the quality of PCB board has been guaranteed.

In another embodiment of the present utility model, as shown in fig. 2-5, the fixing assembly 3 includes a tightening plate 301, where two clamping plates 302 are movably disposed on one side of the tightening plate 301, and tightening blocks 303 are movably disposed on opposite sides of the two clamping plates 302.

The opposite sides of the two jacking plates 301 are provided with sliding grooves 304, sliding blocks 305 are arranged in the two sliding grooves 304 in a sliding manner, and the opposite sides of the two sliding blocks 305 are fixedly connected with the corresponding jacking blocks 303 respectively;

the opposite side surfaces of the two sliding blocks 305 are provided with mounting grooves 306, two sliding rods 307 are fixedly mounted on two sides of the inner wall of the two mounting grooves 306 together, lifting blocks 308 are arranged on one side of each two adjacent sliding rod 307 in a sliding manner, elastic pieces 309 are sleeved on the other side of each sliding rod 307, and a pressing plate 3010 is fixedly mounted on one side of each lifting block 308;

the two side surfaces of the inner wall of the two mounting grooves 306 are provided with avoiding grooves in a penetrating way, and each side, far away from the elastic piece 309, of each two adjacent lifting blocks 308 is fixedly provided with a fixing block 3011.

The elastic member 309 is a spring.

After the PCB is placed on the base 1, a worker pushes the pressing plate 3010, springs are compressed, the upper surface of the fixing block 3011 is separated from the inner wall of the sliding groove 304, then the worker pushes the pressing plate 3010, the worker drives the sliding block 305 and the tightening block 303 to move along the sliding groove 304, one side surface of the tightening block 303 is attached to the PCB, then the worker releases the pressing plate 3010, springs are reset, the upper surface of the fixing block 3011 tightly pushes the inner wall of the sliding groove 304, the sliding block 305 is prevented from moving, the tightening block 303 tightly pushes the PCB, and the PCB is prevented from moving.

In another embodiment of the present utility model, as shown in fig. 4, the inner bottom surfaces of the two sliding grooves 304 are respectively provided with a limiting groove 3012, limiting blocks 3013 are respectively slidably arranged in the two limiting grooves 3012, and the upper surfaces of the two limiting blocks 3013 are respectively fixedly connected with the corresponding sliding blocks 305.

By arranging the limiting grooves 3012 and the limiting blocks 3013, the sliding block 305 is prevented from being separated from the sliding groove 304 when moving in the sliding groove 304, and the stability of the sliding block 305 when moving in the sliding groove 304 is enhanced.

As shown in fig. 1 and 3, in another embodiment of the present utility model, a moving slot 5 is formed on one side of a tightening plate 301, two moving blocks 501 are slidably disposed in the moving slot 5, and one side of each of the two moving blocks 501 is fixedly connected to a corresponding clamping plate 302;

a bidirectional threaded rod 502 is rotatably arranged between two sides of the inner wall of the movable groove 5, two movable blocks 501 are respectively arranged on two sides of the rod body of the bidirectional threaded rod 502 in a threaded manner, and one end of the bidirectional threaded rod 502 penetrates through the jacking plate 301 and is fixedly provided with a rotating wheel 503.

The staff makes it drive the rotation of two-way threaded rod 502 through rotating runner 503, and two movable blocks 501 are driven to move relatively along movable groove 5 through the mode that the screw is precessed to pivoted two-way threaded rod 502 to not only make splint 302 can carry out the centre gripping to the PCB board, can adjust the position of tight piece 303 in top according to the size of PCB board moreover, strengthened the practicality.

In another embodiment of the present utility model, as shown in fig. 1, a connecting groove is formed on the upper surface of the base 1, and a rubber plate 6 is fixedly installed in the connecting groove, and the upper surface of the rubber plate 6 is flush with the upper surface of the base 1.

Through setting up rubber slab 6, increased the frictional force between PCB board and the base 1 for the PCB board is difficult for removing more.

The working principle of the PCB fixing structure is as follows:

during the use, the staff is through installing base 1 in working position with fixing bolt and mounting hole 4 cooperation, under the effect through rubber bottom plate 2, avoid base 1 and working face contact to produce wearing and tearing, then the staff places the PCB board on base 1, promote press the board 3010, spring compression, make fixed block 3011 upper surface and spout 304 inner wall break away from, then the staff promotes and presses board 3010, make it drive slider 305 and top tight piece 303 remove along spout 304, make top tight piece 303 one side surface and laminating of PCB board, then the staff unclamp press board 3010, the spring resets, fixed block 3011 upper surface carries out the top tight to spout 304 inner wall, avoid slider 305 to remove, make top tight piece 303 carry out top tight to the PCB board and fix, avoid the PCB board to remove, compare with the mode that the manual press of staff was fixed, the fixed effect is strengthened greatly, thereby make the staff can not produce the removal when soldering, the PCB board removes the circumstances that leads to the production of solder spot welding position because of the PCB board when carrying out the soldering, the quality of PCB board has been guaranteed.

It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and not limiting of the embodiments of the present utility model, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the utility model are defined by the following claims.

Claims

1. The utility model provides a PCB board fixed knot constructs, includes base (1), its characterized in that: rubber bottom plates (2) for supporting are fixedly arranged on two sides of the lower surface of the base (1);

mounting holes (4) for mounting are formed in two sides of the upper surface of the base (1) in a penetrating manner;

and a fixing component (3) for fixing the PCB is arranged on one side of the upper surface of the base (1).

2. The PCB fixing structure of claim 1, wherein: the fixing assembly (3) comprises a jacking plate (301), two clamping plates (302) are movably arranged on one side of the jacking plate (301), and jacking blocks (303) are movably arranged on the opposite sides of the two clamping plates (302).

3. The PCB fixing structure of claim 2, wherein: a sliding groove (304) is formed in the opposite side of each of the two jacking plates (301), a sliding block (305) is slidably arranged in each of the two sliding grooves (304), and the opposite sides of the two sliding blocks (305) are fixedly connected with the corresponding jacking blocks (303) respectively;

the two sliding blocks (305) are provided with mounting grooves (306) on the surfaces on the opposite sides, two sliding rods (307) are fixedly mounted on the two sides of the inner wall of each mounting groove (306), lifting blocks (308) are slidably arranged on one side of each two adjacent sliding rod (307) in a sliding manner, elastic pieces (309) are sleeved on the other side of each sliding rod (307), and pressing plates (3010) are fixedly mounted on one side of each lifting block (308);

the surfaces of two sides of the inner wall of the mounting groove (306) are respectively provided with an avoidance groove in a penetrating mode, and one side, far away from the elastic piece (309), of each two adjacent lifting blocks (308) is fixedly provided with a fixing block (3011).

4. A PCB board fixing structure according to claim 3, wherein: the elastic member (309) is a spring.

5. A PCB board fixing structure according to claim 3, wherein: limiting grooves (3012) are formed in the inner bottom surfaces of the two sliding grooves (304), limiting blocks (3013) are slidably arranged in the limiting grooves (3012), and the upper surfaces of the limiting blocks (3013) are fixedly connected with corresponding sliding blocks (305) respectively.

6. The PCB fixing structure of claim 2, wherein: a movable groove (5) is formed in one side of the jacking plate (301), two movable blocks (501) are arranged in the movable groove (5) in a sliding mode, and one side of each movable block (501) is fixedly connected with a corresponding clamping plate (302);

two-way threaded rods (502) are rotatably arranged between two sides of the inner wall of the movable groove (5), the two movable blocks (501) are respectively arranged on two sides of a rod body of the two-way threaded rods (502) in a threaded mode, and one end of each two-way threaded rod (502) penetrates through the jacking plate (301) and is fixedly provided with a rotating wheel (503).

7. The PCB fixing structure of claim 2, wherein: the connecting groove is formed in the upper surface of the base (1), the rubber plate (6) is fixedly installed in the connecting groove, and the upper surface of the rubber plate (6) is flush with the upper surface of the base (1).