CN220019801U

CN220019801U - PCB board test fixture

Info

Publication number: CN220019801U
Application number: CN202321451852.3U
Authority: CN
Inventors: 孙秀武
Original assignee: Suzhou Lianchang Electronic Technology Co ltd
Current assignee: Suzhou Lianchang Electronic Technology Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-14
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a PCB test fixture, which relates to the field of PCB test, and comprises a main body, wherein an adjusting mechanism is arranged on the main body, the adjusting mechanism comprises a first electric telescopic rod, L-shaped movable rods are arranged at one end of the first electric telescopic rod, a support frame is arranged on the side wall of the L-shaped movable rod, two groups of grooves are penetrated through the side wall of the support frame, a support plate is arranged on the side wall of the support frame far away from one side of the L-shaped movable rod, first movable grooves are formed at the edge positions of two sides of the top end of the main body, and second movable grooves are formed in the front side wall and the rear side wall of the inside of the main body; the utility model has the advantages that: the PCB can be firmly fixed in the main body before being tested, so that the stability of the test is improved, the PCB can be tested by selecting corresponding test boards according to different specifications of the PCB, and the test efficiency of the jig is improved.

Description

PCB board test fixture

Technical Field

The utility model relates to the field of PCB testing, in particular to a PCB testing jig.

Background

The PCB is also called a printed circuit board, is a provider of electrical connection of electronic components, and when the electronic components are welded on the PCB, the PCB is often required to be tested so as to detect whether the PCB can normally run, and therefore defective products are removed, and a special testing device is required to test the PCB.

However, the PCB testing jig in the prior art is inconvenient to fix the PCB, and has poor stability, resulting in influencing the test result.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the PCB testing jig, so that the PCB can be firmly fixed in the main body before being tested, and the stability of the test is improved.

In order to solve the technical problem, the technical scheme of the utility model is that the PCB testing jig comprises a main body, wherein an adjusting mechanism is arranged on the main body and comprises a first electric telescopic rod, L-shaped movable rods are arranged at one end positions of the first electric telescopic rod, a supporting frame is arranged on the side wall of the L-shaped movable rod, and two groups of grooves are formed in the side wall of the supporting frame in a penetrating manner.

As a further aspect of the utility model: the support frame is provided with the extension board on keeping away from the lateral wall of L shape movable rod one side, the first removal groove has been seted up to the both sides edge position on main part top.

As a further aspect of the utility model: the second movable grooves are formed in the front side wall and the rear side wall of the main body, movable blocks are arranged at the top positions of the front side wall and the rear side wall of the support frame, and plate grooves are formed in the front side wall and the rear side wall of the main body in a penetrating mode.

As a further aspect of the utility model: the bottom positions of the front side wall and the rear side wall of the main body are respectively provided with two groups of L-shaped supporting plates, the top positions of the side walls of the L-shaped supporting plates are provided with second electric telescopic rods, and one end positions of the two groups of second electric telescopic rods are provided with clamping plates.

As a further aspect of the utility model: the side walls of the two groups of the first electric telescopic rods are fixedly arranged on the left side wall and the right side wall of the main body, the L-shaped moving rods are arranged at the inner positions of the first moving grooves, and the moving blocks are arranged at the inner positions of the second moving grooves.

As a further aspect of the utility model: the dismounting mechanism comprises a fixing frame, a plurality of groups of motors are arranged at the inner positions of the fixing frame, a screw is arranged at the top end position of the fixing frame, a screw sleeve is sleeved at the top position of the side wall of the screw, and a bearing plate is arranged between the side walls of the screw sleeve.

As a further aspect of the utility model: two sets of third removal grooves have been seted up to the bottom position of loading board, the inside position in third removal groove is provided with the electric telescopic handle of third, the one end position of electric telescopic handle of third is provided with the fixed block, one side position of fixed block bottom is provided with the curb plate.

As a further aspect of the utility model: the bottom position of curb plate one side lateral wall is provided with the bottom plate, one side position that the curb plate was kept away from to the fixed block bottom is provided with the fourth electric telescopic handle, the bottom position of fourth electric telescopic handle is provided with the clamp plate, one side position of the positive lateral wall of main part is provided with control module.

The technical scheme is adopted: according to the size of the PCB, the support frame is pulled to two sides in the main body by the L-shaped moving rod according to the size of the PCB, the moving block moves in the second moving groove by the movement of the support frame and the movement of the support frame is balanced, meanwhile, the L-shaped moving rod moves in the first moving groove and limits the position of the PCB, the PCB is placed on the support plate, the first electric telescopic rod drives the support frame to move so as to fix the two sides of the PCB tightly, and meanwhile, the second electric telescopic rod on the side wall of the L-shaped support plate pushes the clamping plate in the plate groove to approach the PCB and moves in the groove on the support frame, so that the PCB is limited in the main body, then the PCB is tested, and the PCB can be firmly fixed in the main body before the test by the operation, so that the stability of the test is improved;

specifically, make the screw rod rotate through starting the inside motor of mount, simultaneously the swivel nut drives the loading board and upwards moves in the main part, and stop the rotation of screw rod when removing to certain height, and make fourth electric telescopic handle upwards move, break away from the test board surface through the clamp plate and take off it from the bottom plate, and select corresponding test board according to the size of PCB board, then make third electric telescopic handle extend or shrink in the inside of third removal groove, and drive the fixed block and adjust, then put the test board that corresponds on the bottom plate of curb plate side, make the clamp plate compress tightly it through fourth electric telescopic handle, then make the loading board move down through the screw rod rotation, make test board and PCB board upper end contact, afterwards make the test board detect the PCB board through control module, and feed back test result to control module, make the PCB board can select corresponding test board to test according to the difference of its specification through above-mentioned operation, thereby the test efficiency of this tool has been improved.

Drawings

Fig. 1 is a schematic overall structure of a PCB board testing jig;

fig. 2 is a schematic structural view of an adjusting mechanism of a PCB board testing jig;

fig. 3 is a schematic structural view of a clamping plate of a PCB board testing jig;

fig. 4 is a schematic structural diagram of a disassembling and assembling mechanism of a PCB board testing jig.

In the figure: 1. a main body; 2. a first electric telescopic rod; 3. an L-shaped moving rod; 4. a support frame; 5. a groove; 6. a support plate; 7. a first moving groove; 8. a second moving groove; 9. a moving block; 10. a plate groove; 11. an L-shaped support plate; 12. a second electric telescopic rod; 13. a clamping plate; 14. an adjusting mechanism; 15. a fixing frame; 16. a motor; 17. a screw; 18. a screw sleeve; 19. a carrying plate; 20. a third moving groove; 21. a third electric telescopic rod; 22. a fixed block; 23. a side plate; 24. a bottom plate; 25. a fourth electric telescopic rod; 26. a pressing plate; 27. a disassembly and assembly mechanism; 28. and a control module.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

Referring to fig. 2-3, the present utility model provides a technical solution: the utility model provides a PCB board test fixture, includes main part 1, is provided with adjustment mechanism 14 on the main part 1, and adjustment mechanism 14 includes first electric telescopic handle 2, all is provided with L shape movable rod 3 on the one end position of this first electric telescopic handle 2, is provided with support frame 4 on the lateral wall of L shape movable rod 3, runs through on the lateral wall of support frame 4 and is provided with two sets of recesses 5.

The side wall of the side, far away from the L-shaped movable rod 3, of the support frame 4 is provided with a support plate 6, and the edge positions of the two sides of the top end of the main body 1 are provided with first movable grooves 7.

Second movable grooves 8 are formed in the front side wall and the rear side wall of the main body 1, movable blocks 9 are arranged at the top positions of the front side wall and the rear side wall of the support frame 4, and plate grooves 10 are formed in the front side wall and the rear side wall of the main body 1 in a penetrating mode.

Two groups of L-shaped supporting plates 11 are arranged at the bottom positions of the front side wall and the rear side wall of the main body 1, second electric telescopic rods 12 are arranged at the top positions of the side walls of the L-shaped supporting plates 11, and clamping plates 13 are arranged at one end positions of the two groups of second electric telescopic rods 12.

The side walls of the two groups of first electric telescopic rods 2 are fixedly arranged on the left side wall and the right side wall of the main body 1, the L-shaped moving rods 3 are arranged at the inner positions of the first moving grooves 7, and the moving blocks 9 are arranged at the inner positions of the second moving grooves 8.

During the use, extend to both sides through first electric telescopic handle 2 according to PCB board size, by L shape movable rod 3 with support frame 4 in main part 1 inside to both sides pulling, make movable block 9 remove at the inside removal groove 8 of second by the removal of support frame 4, and make support frame 4 remove and balance, L shape movable rod 3 removes and carry out spacing in the inside removal groove 7 simultaneously, place the PCB board on extension board 6, it is fixed tight with the PCB board both sides to drive the removal of support frame 4 by first electric telescopic handle 2, make the second electric telescopic handle 12 on L shape backup pad 11 lateral wall promote splint 13 to be close to the PCB board in board groove 10 simultaneously, and remove in recess 5 on support frame 4, restrict the PCB board inside main part 1, then test it, make the PCB board can be firm fixed in main part 1 before the test through above-mentioned operation, thereby the stability of test has been improved.

Example two

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a PCB board test fixture, includes main part 1, and the upper position of main part 1 is provided with dismouting mechanism 27, and dismouting mechanism 27 includes mount 15, and the inside position of a plurality of groups mount 15 is provided with motor 16, and the top position of mount 15 is provided with screw rod 17, and the top position cover of screw rod 17 lateral wall is equipped with swivel nut 18, is provided with loading board 19 between the lateral wall of two sets of swivel nuts 18.

Two groups of third movable grooves 20 are formed in the bottom end position of the bearing plate 19, a third electric telescopic rod 21 is arranged in the inner position of the third movable groove 20, a fixed block 22 is arranged at one end position of the third electric telescopic rod 21, and a side plate 23 is arranged at one side position of the bottom end of the fixed block 22.

The bottom position of the side wall of one side of the side plate 23 is provided with a bottom plate 24, one side position of the bottom end of the fixed block 22 far away from the side plate 23 is provided with a fourth electric telescopic rod 25, the bottom end position of the fourth electric telescopic rod 25 is provided with a pressing plate 26, and one side position of the side wall of the front side of the main body 1 is provided with a control module 28.

Specifically, the screw 17 is rotated by starting the motor 16 in the fixing frame 15, the threaded sleeve 18 drives the bearing plate 19 to move in the upper direction of the main body 1, the rotation of the screw 17 is stopped when the bearing plate moves to a certain height, the fourth electric telescopic rod 25 moves upwards, the pressing plate 26 is separated from the surface of the test plate to remove the test plate from the bottom plate 24, the corresponding test plate is selected according to the size of the PCB, the third electric telescopic rod 21 extends or contracts in the third moving groove 20, the fixing block 22 is driven to adjust, the corresponding test plate is placed on the bottom plate 24 on the side edge of the side plate 23, the pressing plate 26 is pressed by the fourth electric telescopic rod 25, the bearing plate 19 moves downwards by the rotation of the threaded rod 17, the test plate is contacted with the upper end of the PCB, the test plate is detected by the control module 28, the test result is fed back to the control module 28, the corresponding test plate can be selected according to the different specifications of the PCB, and the test efficiency of the test tool is improved.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

1. The utility model provides a PCB board test fixture, includes main part (1), its characterized in that: the novel telescopic support is characterized in that an adjusting mechanism (14) is arranged on the main body (1), the adjusting mechanism (14) comprises a first electric telescopic rod (2), L-shaped movable rods (3) are arranged at one end of the first electric telescopic rod (2), supporting frames (4) are arranged on the side walls of the L-shaped movable rods (3), and two groups of grooves (5) are formed in the side walls of the supporting frames (4) in a penetrating mode.

2. The PCB testing jig of claim 1, wherein: the support frame (4) is provided with a support plate (6) on the side wall far away from one side of the L-shaped movable rod (3), and first movable grooves (7) are formed in the edge positions of two sides of the top end of the main body (1).

3. The PCB testing jig of claim 2, wherein: second movable grooves (8) are formed in the front side wall and the rear side wall of the main body (1), movable blocks (9) are arranged at the top positions of the front side wall and the rear side wall of the support frame (4), and plate grooves (10) are formed in the front side wall and the rear side wall of the main body (1) in a penetrating mode.

4. A PCB testing jig according to claim 3, wherein: the bottom positions of the front side wall and the rear side wall of the main body (1) are respectively provided with two groups of L-shaped supporting plates (11), the top positions of the side walls of the L-shaped supporting plates (11) are respectively provided with a second electric telescopic rod (12), and one end positions of the two groups of second electric telescopic rods (12) are respectively provided with a clamping plate (13).

5. The PCB testing jig of claim 4, wherein: the two groups of the side walls of the first electric telescopic rods (2) are fixedly arranged on the left side wall and the right side wall of the main body (1), the L-shaped moving rods (3) are arranged at the inner positions of the first moving grooves (7), and the moving blocks (9) are arranged at the inner positions of the second moving grooves (8).

6. The PCB testing jig of claim 1, wherein: the utility model discloses a screw rod, including main part (1), dismouting mechanism (27) are provided with in the top position of main part (1), dismouting mechanism (27) include mount (15), a plurality of groups the inside position of mount (15) is provided with motor (16), the top position of mount (15) is provided with screw rod (17), the top position cover of screw rod (17) lateral wall is equipped with swivel nut (18), two sets of be provided with loading board (19) between the lateral wall of swivel nut (18).

7. The PCB testing jig of claim 6, wherein: two sets of third removal groove (20) have been seted up to the bottom position of loading board (19), the inside position in third removal groove (20) is provided with third electric telescopic handle (21), the one end position of third electric telescopic handle (21) is provided with fixed block (22), one side position of fixed block (22) bottom is provided with curb plate (23).

8. The PCB testing jig of claim 7, wherein: the bottom position of curb plate (23) one side lateral wall is provided with bottom plate (24), one side position that curb plate (23) were kept away from to fixed block (22) bottom is provided with fourth electric telescopic handle (25), the bottom position of fourth electric telescopic handle (25) is provided with clamp plate (26), one side position of main part (1) openly lateral wall is provided with control module (28).