CN214592175U

CN214592175U - Fixing structure for PCB press testing

Info

Publication number: CN214592175U
Application number: CN202120489466.8U
Authority: CN
Inventors: 乔灸亭; 张东旭; 刘俊理
Original assignee: YUXIN TECHNOLOGY (SUZHOU) CO LTD
Current assignee: YUXIN TECHNOLOGY (SUZHOU) CO LTD
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-11-02
Anticipated expiration: 2031-03-08

Abstract

The utility model discloses a fixed knot constructs for PCB printed circuit board press test, comprises a workbench, four first spouts have been seted up for rectangular array to the upper surface of workstation, be equipped with first slider in the inner chamber of first spout, one side of first slider is equipped with the extension spring, wherein the top of two first sliders is equipped with the support frame, one side of support frame is equipped with the mount pad, the second spout has been seted up on the mount pad, sliding connection has the second slider in the inner chamber of second spout, one side of second slider is equipped with the support, the lower surface of support is equipped with the baffle, the opposite side of support frame is equipped with the guard plate, be equipped with the locating pin on support frame and the support frame. The utility model discloses utilize the cooperation of first spout, first slider, support frame, extension spring, mount pad, second spout, second slider, support, baffle, guard plate and locating pin, be convenient for fix not unidimensional circuit board spacing, improved holistic detection efficiency, and then improved holistic practicality.

Description

Fixing structure for PCB press testing

Technical Field

The utility model relates to a fixed knot constructs the field, in particular to fixed knot constructs for PCB printed circuit board press test.

Background

The PCB printed circuit board, also known as the printed wiring board, is an important electronic component, is a support body of the electronic component, is a carrier for the electrical interconnection of the electronic component, is called as a 'printed' circuit board because it is manufactured by adopting the electronic printing technology, has the double functions of a conducting circuit and an insulating base plate, can replace complex wiring, realizes the electrical connection between each component in the circuit, simplifies the assembly and welding work of electronic products, reduces the wiring workload in the traditional mode, and greatly lightens the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, the quality and the reliability of the electronic equipment are improved, and a circuit board fixing structure is needed to be used for performance testing before the circuit board leaves a factory.

The existing circuit board fixing structure adopts four positioning clamps to limit at four corners of the circuit board, so that electronic parts above the circuit board are easily shielded, and sizes of the circuit boards of different models are different, so that the positioning clamps are inconvenient to use, the rapidity and flexibility of fixing the circuit board are reduced, and the overall detection efficiency is further reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed knot constructs for PCB printed circuit board press test to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fixed knot constructs for PCB printed circuit board press test, includes the workstation, four first spouts have been seted up for the upper surface of workstation is rectangular array, sliding connection has first slider in the inner chamber of first spout, one side fixedly connected with extension spring of first slider, wherein two the top fixedly connected with support frame of first slider, one side fixedly connected with mount pad of support frame, the second spout has been seted up on the mount pad, sliding connection has the second slider in the inner chamber of second spout, one side fixedly connected with support of second slider, the lower fixedly connected with baffle of support, the opposite side fixedly connected with guard plate of support frame, the screw thread interlude is connected with the locating pin on support and the support frame.

Preferably, one end of the tension spring is fixedly connected with the inner wall of one side of the inner cavity of the first sliding groove, the rectangular groove matched with the positioning pin is formed in the upper surface of the supporting frame, and the bottom of the inner cavity of the rectangular groove is attached to one end of the positioning pin.

Preferably, a third sliding groove is formed in the bottom of the inner cavity of the first sliding groove, and a third sliding block is connected to the inner cavity of the third sliding groove in a sliding mode.

Preferably, the top of the third slider is fixedly connected with a reset plate, and one side of the reset plate is attached to the other side of the first slider.

Preferably, the other side of the reset plate is fixedly connected with a limiting rod, and the outer wall of the limiting rod is sleeved with a pressure spring in a sliding mode.

Preferably, one end of the pressure spring is fixedly connected with the inner wall of the other side of the inner cavity of the first sliding chute, and a limiting groove matched with the limiting rod is formed in the inner wall of the other side of the inner cavity of the first sliding chute.

The utility model discloses a technological effect and advantage:

(1) the utility model utilizes the cooperation of the first chute, the first slide block, the support frame, the tension spring, the mounting seat, the second chute, the second slide block, the support frame, the baffle plate, the protection plate and the positioning pin, so as to fix and limit circuit boards with different sizes, improve the whole detection efficiency and further improve the whole practicability;

(2) the utility model discloses utilize third spout, third slider, pressure spring, gag lever post, spacing groove and the cooperation of the board that resets, improved first slider opposite side flexibility and rapidity that resets, improved the stability and the flexibility that the gag lever post removed, and then improved holistic practicality to holistic detection efficiency has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the front side of the present invention.

Fig. 3 is a schematic view of the front internal structure of the present invention.

Fig. 4 is a schematic view of the front internal structure of the first slider of the present invention.

In the figure: 1. a work table; 2. a first chute; 3. a first slider; 4. a tension spring; 5. a support frame; 6. a mounting seat; 7. a second chute; 8. a second slider; 9. a support; 10. a baffle plate; 11. a protection plate; 12. positioning pins; 13. a third chute; 14. a third slider; 15. a reset plate; 16. a limiting rod; 17. a pressure spring; 18. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a fixing structure for PCB (printed Circuit Board) press testing as shown in figures 1-4, which comprises a workbench 1, wherein the cross section of the workbench 1 is rectangular, which is convenient for arranging a first chute 2, the upper surface of the workbench 1 is provided with four first chutes 2 in a rectangular array, a first slider 3 is connected in the inner cavity of the first chute 2 in a sliding way, the cross section of the first slider 3 and the cross section of the first chute 2 are both in a convex shape, which is convenient for the first slider 3 to slide in a limiting way in the inner cavity of the first chute 2, thereby improving the flexibility and stability of the movement of the first slider 3, one side of the first slider 3 is fixedly connected with a tension spring 4 which is convenient for limiting circuit boards with different lengths, wherein the top parts of the two first sliders 3 are fixedly connected with a support frame 5, the cross section of the support frame 5 is in an L shape, which is convenient for the fixed installation of a mounting seat 6, one side of the support frame 5 is fixedly connected with an installation seat 6, the section shape of the installation seat 6 is rectangular, a second sliding groove 7 is formed in the installation seat 6, a second sliding block 8 is connected in an inner cavity of the second sliding groove 7 in a sliding manner, the section shapes of the second sliding groove 7 and the second sliding block 8 are both in a convex shape, the second sliding block 8 can conveniently slide in the inner cavity of the second sliding groove 7 in a limiting manner, the moving flexibility and stability of the second sliding block 8 are improved, one side of the second sliding block 8 is fixedly connected with a support 9, the section shape of the support 9 is in an L shape, the fixed installation of a baffle 10 is convenient, the lower surface of the support 9 is fixedly connected with a baffle 10, the other side of the support frame 5 is fixedly connected with a protection plate 11, the protection plate 11 is made of sponge, the damage to the outer wall of the circuit board is avoided, positioning pins 12 are connected on the support frame 9 and the support frame 5 in a threaded penetrating manner, and the flexibility and rapidity of the position limitation of the support frame 9 are improved, it is convenient to carry on spacingly to the circuit board of different width.

One end of extension spring 4 and one side inner wall fixed connection of 2 inner chambers of first spout, the resetting of the first slider 3 of being convenient for, the rectangular channel with locating pin 12 matched with is all seted up to the upper surface of two support frames 5, and the bottom of rectangular channel inner chamber is laminated mutually with the one end of locating pin 12, has improved the accuracy of locating pin 12 installation, and then ensures the rigidity of support 9.

The bottom of the inner cavity of the first sliding groove 2 is provided with a third sliding groove 13, the inner cavity of the third sliding groove 13 is connected with a third sliding block 14 in a sliding manner, and the cross sections of the third sliding block 14 and the third sliding groove 13 are both in a convex shape, so that the third sliding block 14 can slide in the inner cavity of the third sliding groove 13 in a limiting manner.

The top fixedly connected with of third slider 14 resets board 15, and one side of resetting board 15 and the opposite side laminating of first slider 3 avoid causing the premature failure of extension spring 4 mutually.

The other side fixedly connected with gag lever post 16 of reset plate 15, the pressure spring 17 has been cup jointed in the slip on the outer wall of gag lever post 16, avoids the pressure spring 17 to take place bending of great degree in the in-process that uses.

One end of the pressure spring 17 is fixedly connected with the inner wall of the other side of the inner cavity of the first sliding chute 2, a limiting groove 18 matched with the limiting rod 16 is formed in the inner wall of the other side of the inner cavity of the first sliding chute 2, and the cross sections of the limiting groove 18 and the limiting rod 16 are circular.

The utility model discloses the theory of operation: when the device is used, a user pulls the two support frames 5 in opposite directions according to the length of the circuit board, so that the tension spring 4 is stretched, the first slide block 3 drives the reset plate 15 to move towards the direction of the limit groove 18, the limit rod 16 enters the inner cavity of the limit groove 18, the compression spring 17 is compressed, after the lower surface of the circuit board is attached to the upper surface of the support frame 5, the two sides of the circuit board are respectively attached to one side of the protection plate 11, then the support frames 5 are loosened, the reset plate 15 and the first slide block 3 are reset by utilizing the restoring force of the tension spring 4 and the compression spring 17, so that the circuit board is limited in the length direction, then the bracket 9 slides in the inner cavity of the mounting seat 6 according to the width of the circuit board, after the side of the baffle plate 10 is attached to the side of the circuit board, the positioning pin 12 is screwed, so that the positions of the bracket 9 and the second slide block 8 are fixed, therefore, the position of the circuit board is fixed, and the overall processing efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A fixing structure for PCB press testing comprises a workbench (1) and is characterized in that the upper surface of the workbench (1) is in a rectangular array and is provided with four first sliding chutes (2), the inner cavity of each first sliding chute (2) is connected with a first sliding block (3) in a sliding manner, one side of each first sliding block (3) is fixedly connected with a tension spring (4), the tops of two first sliding blocks (3) are fixedly connected with a supporting frame (5), one side of each supporting frame (5) is fixedly connected with a mounting seat (6), the mounting seat (6) is provided with a second sliding chute (7), the inner cavity of each second sliding chute (7) is connected with a second sliding block (8) in a sliding manner, one side of each second sliding block (8) is fixedly connected with a support (9), and the lower surface of each support (9) is fixedly connected with a baffle (10), the other side fixedly connected with guard plate (11) of support frame (5), threaded interlude is connected with locating pin (12) on support (9) and support frame (5).

2. The fixing structure for the PCB press machine test according to claim 1, wherein one end of the tension spring (4) is fixedly connected with the inner wall of one side of the inner cavity of the first sliding groove (2), rectangular grooves matched with the positioning pins (12) are formed in the upper surfaces of the two support frames (5), and the bottoms of the inner cavities of the rectangular grooves are attached to one ends of the positioning pins (12).

3. The fixing structure for the PCB press machine test according to claim 1, wherein a third sliding groove (13) is formed at the bottom of the inner cavity of the first sliding groove (2), and a third sliding block (14) is slidably connected in the inner cavity of the third sliding groove (13).

4. The fixing structure for the PCB press machine test according to claim 3, wherein a reset plate (15) is fixedly connected to the top of the third slider (14), and one side of the reset plate (15) is attached to the other side of the first slider (3).

5. The fixing structure for the PCB press machine test according to claim 4, wherein a limiting rod (16) is fixedly connected to the other side of the reset plate (15), and a pressure spring (17) is sleeved on the outer wall of the limiting rod (16) in a sliding manner.

6. The fixing structure for the PCB press machine test according to claim 5, wherein one end of the pressure spring (17) is fixedly connected with the inner wall of the other side of the inner cavity of the first sliding groove (2), and a limiting groove (18) matched with the limiting rod (16) is formed in the inner wall of the other side of the inner cavity of the first sliding groove (2).