CN222379832U

CN222379832U - A circuit board detection fixture

Info

Publication number: CN222379832U
Application number: CN202420716259.5U
Authority: CN
Inventors: 许善伟; 张松伟; 王林利
Original assignee: Jiangsu Longwei Automation Equipment Co ltd
Current assignee: Jiangsu Longwei Automation Equipment Co ltd
Priority date: 2024-04-09
Filing date: 2024-04-09
Publication date: 2025-01-21
Anticipated expiration: 2034-04-09

Abstract

The utility model provides a circuit board detection jig which comprises a jig base, wherein a side plate is fixedly arranged on the upper surface of the jig base, a universal meter is fixedly arranged on the right side of the side plate, a movable plate is arranged on the upper surface of the side plate in a sliding manner, a connecting rod is arranged in the movable plate in a sliding manner, a baffle is fixedly arranged at the top end of the connecting rod, the lower surface of the baffle is in movable contact with the upper surface of the movable plate, and a limiting assembly is arranged in the jig base.

Description

Circuit board detection jig

Technical Field

The utility model relates to a detection jig, in particular to a circuit board detection jig, and belongs to the technical field of circuit board detection.

Background

The names of the circuit boards are ceramic circuit boards, aluminum oxide ceramic circuit boards, aluminum nitride ceramic circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultrathin circuit boards, printed (copper etching technology) circuit boards and the like, and the circuit boards lead circuits to be miniaturized and visualized, play an important role in mass production of fixed circuits and optimizing the layout of electrical appliances, and sampling detection is often needed after the circuit boards are produced;

Chinese published patent (publication number: CN 219957645U) discloses a jig for detecting a PCB, and relates to the technical field of circuit board detection; the utility model comprises a workbench, wherein two symmetrically-distributed positioning plates are fixedly arranged on the upper surface of the workbench, the positioning plates are L-shaped, a first groove is formed in the workbench, two symmetrically-distributed sliding blocks are slidably arranged in the first groove, and two symmetrically-distributed sliding grooves are formed in the upper surface of the workbench; according to the utility model, the rotating wheel can directly drive the rotating shaft to drive the screw rod to rotate, so that the screw threads are inserted into one end of the sliding blocks at the two ends of the screw rod, and the two sliding blocks drive the two positioning plates to move in opposite directions, so that the positioning plates can stably stop the two ends of the PCB, at the moment, a worker only needs to hold the detection probe to detect and does not need to press, and meanwhile, the PCB can be prevented from moving in the detection process, and the operation of the worker is facilitated;

Although the detection jig is convenient for stably stopping two ends of the circuit board, the detection jig is inconvenient for carefully amplifying and observing welding points on the circuit board, is easy to miss and affects detection results, and therefore, the detection jig for the circuit board is provided.

Disclosure of utility model

In view of the above, the present utility model provides a circuit board detection jig to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial choice.

The technical scheme includes that the circuit board detection jig comprises a jig base, wherein a side plate is fixedly arranged on the upper surface of the jig base, a universal meter is fixedly arranged on the right side of the side plate, a movable plate is slidably arranged on the upper surface of the side plate, a connecting rod is slidably arranged in the movable plate, a baffle is fixedly arranged at the top end of the connecting rod, the lower surface of the baffle is movably contacted with the upper surface of the movable plate, a limiting assembly is arranged in the jig base, the limiting assembly comprises a first rectangular groove, a first rubber pad, a limiting plate, a second rectangular groove, a spring, a rectangular block and a second rubber pad, a rotating assembly is arranged at the bottom end of the connecting rod, and the rotating assembly comprises a bearing, a first connecting block, a second connecting block, a U-shaped seat, a round rod and a round hole.

Further preferably, a T-shaped sliding block is fixedly arranged on the lower surface of the moving plate, a T-shaped sliding groove is formed in the upper surface of the side plate, and the T-shaped sliding groove is in sliding fit with the T-shaped sliding block.

Further preferably, a rectangular guide hole is formed in the upper surface of the moving plate, and the front side and the rear side of the inner wall of the rectangular guide hole are respectively in movable contact with the front side and the rear side of the connecting rod.

Further preferably, the upper surface of tool base has been seted up first rectangular channel, fixedly bond has first rubber pad on the inner wall bottom of first rectangular channel, slide between the inner wall left side and the inner wall right side of first rectangular channel and be provided with the limiting plate, fixedly bond in one side of limiting plate has the second rubber pad, the equal fixed mounting of left side and the rear side of limiting plate has the rectangular block, the second rectangular channel has all been seted up on the inner wall left side and the inner wall right side of first rectangular channel, the outside of rectangular block with the inner wall movable contact of second rectangular channel, the inner wall rear side fixedly connected with spring of second rectangular channel, the other end of spring with the rear side fixed connection of rectangular block.

Further preferably, the bottom fixed mounting of connecting rod has the bearing, the inner wall fixedly connected with first connecting block of bearing, the bottom fixed mounting of first connecting block has the second connecting block, the inside fixed mounting of second connecting block has the round bar, the outside of round bar rotates installs the U-shaped seat, the lower fixed surface of U-shaped seat installs the rectangular plate, the inside of rectangular plate inlays and is equipped with the magnifying glass.

Further preferably, a circular hole is formed in one side of the second connecting block, and the inner wall of the circular hole is fixedly connected with the outer side of the circular rod.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

1. According to the utility model, through the limiting plate, the rectangular block, the second rectangular groove, the spring and the second rubber pad, clamping and limiting of circuit boards with different specifications are facilitated, and the stability of circuit board detection is improved.

2. According to the utility model, through the rectangular plate, the U-shaped seat, the second connecting block, the round rod and the magnifier, the observation position and the observation angle of the magnifier can be conveniently adjusted, and the accuracy of the detection result of the circuit board is improved.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a primary view of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional isometric view of the present utility model;

FIG. 3 is a top view of a schematic diagram of an isometric view of the present utility model;

fig. 4 is an enlarged structural view of the portion a of fig. 2 according to the present utility model.

The fixture comprises a fixture base, a side plate, a 201T-shaped chute, a 3 moving plate, a 301T-shaped sliding block, a 302 rectangular guide hole, a 4 limiting component, a 401 first rectangular groove, a 402 first rubber pad, a 403 limiting plate, a 404 second rectangular groove, a 405 spring, a 406 rectangular block, a 407 second rubber pad, a 5 baffle, a6 connecting rod, a 7 rotating component, a 701 bearing, a 702 first connecting block, a 703 second connecting block, a 704U-shaped seat, a 705 round rod, a 706 round hole, an 8 rectangular plate, a 9 magnifying glass, a 10 multimeter.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the utility model provides a circuit board detection jig, which comprises a jig base 1, wherein a side plate 2 is fixedly arranged on the upper surface of the jig base 1, a universal meter 10 is fixedly arranged on the right side of the side plate 2, a movable plate 3 is slidably arranged on the upper surface of the side plate 2, a connecting rod 6 is slidably arranged in the movable plate 3, a baffle 5 is fixedly arranged at the top end of the connecting rod 6, the lower surface of the baffle 5 is movably contacted with the upper surface of the movable plate 3, a limiting component 4 is arranged in the jig base 1, the limiting component 4 comprises a first rectangular groove 401, a first rubber pad 402, a limiting plate 403, a second rectangular groove 404, a spring 405, a rectangular block 406 and a second rubber pad 407, a rotating component 7 is arranged at the bottom end of the connecting rod 6, and the rotating component 7 comprises a bearing 701, a first connecting block 702, a second connecting block 703, a U-shaped seat 704, a round rod 705 and a round hole 706.

In one embodiment, the lower surface of the moving plate 3 is fixedly provided with a T-shaped sliding block 301, the upper surface of the side plate 2 is provided with a T-shaped sliding groove 201, the T-shaped sliding groove 201 is in sliding fit with the T-shaped sliding block 301, and the moving plate 3 moves forwards or backwards on the upper surface of the side plate 2 under the mutual fit of the T-shaped sliding block 301 and the T-shaped sliding groove 201 to move the moving plate 3 to a required position.

In one embodiment, the upper surface of the moving plate 3 is provided with a rectangular guide hole 302, the front side and the rear side of the inner wall of the rectangular guide hole 302 are respectively in movable contact with the front side and the rear side of the connecting rod 6, and the connecting rod 6 moves leftwards or rightwards in the rectangular guide hole 302 to move the magnifier 9 to a required position.

In one embodiment, the upper surface of tool base 1 has seted up first rectangular channel 401, fixedly bond on the inner wall bottom of first rectangular channel 401 has first rubber pad 402, slide between the inner wall left side and the inner wall right side of first rectangular channel 401 is provided with limiting plate 403, the fixed bonding of one side of limiting plate 403 has second rubber pad 407, the equal fixed mounting of left side and rear side of limiting plate 403 has rectangular piece 406, the second rectangular channel 404 has all been seted up on the inner wall left side and the inner wall right side of first rectangular channel 401, the outside and the inner wall movable contact of second rectangular channel 404 of rectangular piece 406, the inner wall rear side fixedly connected with spring 405 of second rectangular channel 404, the other end and the rear side fixed connection of rectangular piece 406 of spring 405, the limiting clamp is carried out to the circuit board that treats the detection through limiting plate 403 and second rubber pad 407 that removes, stability when improving the circuit board and examining.

In one embodiment, a bearing 701 is fixedly installed at the bottom end of the connecting rod 6, a first connecting block 702 is fixedly connected to the inner wall of the bearing 701, a second connecting block 703 is fixedly installed at the bottom end of the first connecting block 702, a round rod 705 is fixedly installed in the second connecting block 703, a U-shaped seat 704 is rotatably installed on the outer side of the round rod 705, a rectangular plate 8 is fixedly installed on the lower surface of the U-shaped seat 704, a magnifying glass 9 is embedded in the rectangular plate 8, and adjustment of the observation angle of the magnifying glass 9 is achieved through the first connecting block 702 which axially rotates and the U-shaped seat 704 which vertically rotates.

In one embodiment, a circular hole 706 is formed on one side of the second connection block 703, and an inner wall of the circular hole 706 is fixedly connected with an outer side of the circular rod 705, so that the circular rod 705 is fixed through the circular hole 706.

When the circuit board is required to be detected, the limiting plate 403 is pulled to move forwards, the limiting plate 403 drives the two rectangular blocks 406 to move along the second rectangular groove 404, the limiting plate 403 moves while the springs 405 are stretched, the limiting plate 403 also drives the second rubber pad 407 to move, the circuit board to be detected is placed in the first rectangular groove 401, one side of the circuit board is contacted with the rear side of the inner wall of the first rectangular groove 401, the pulling of the limiting plate 403 is released, the stretched springs 405 reset, the springs 405 drive the limiting plate 403 to move backwards until the rear side of the second rubber pad 407 is contacted with the front side of the circuit board to be detected, and meanwhile, the lower surface of the circuit board is protected under the action of the first rubber pad 402, so that the circuit boards with different specifications are convenient to clamp and limit, and the stability of the circuit board in detection is improved;

Then, according to the position of the circuit board to be detected, the moving plate 3 is moved forward or backward, under the mutual cooperation of the T-shaped sliding block 301 and the T-shaped sliding groove 201, the upper surface of the side plate 2 is moved forward or backward, after the moving plate 3 is moved to the required position, the baffle 5 is pulled to drive the connecting rod 6 to move leftwards or rightwards in the rectangular guide hole 302, the magnifying glass 9 is moved to the required position under the action of the connecting rod 6, when the welding points at different angle positions on the circuit board are required to be observed, the rectangular plate 8 is rotated to drive the U-shaped seat 704 to rotate, the U-shaped seat 704 drives the second connecting block 703 to rotate, the rotating second connecting block 703 drives the first connecting block 702 to rotate, and simultaneously, the rectangular plate 8 drives the U-shaped seat 704 to rotate upwards or downwards at the outer side of the round rod 705, and simultaneously, the rectangular plate 8 drives the magnifying glass 9 to rotate upwards or downwards, and the magnifying glass 9 observes the different angle positions of the welding points on the circuit board through the magnifying glass 9, and meanwhile, whether the circuit board has a short circuit problem can be detected through the universal meter, and the detection result of the magnifying glass 9 and the observation angle position can be adjusted accurately.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The circuit board detection jig is characterized by comprising a jig base (1), wherein a side plate (2) is fixedly arranged on the upper surface of the jig base (1), a universal meter (10) is fixedly arranged on the right side of the side plate (2), a movable plate (3) is arranged on the upper surface of the side plate (2) in a sliding mode, a connecting rod (6) is arranged on the inner side of the movable plate (3) in a sliding mode, a baffle (5) is fixedly arranged on the top end of the connecting rod (6), the lower surface of the baffle (5) is in movable contact with the upper surface of the movable plate (3), a limiting assembly (4) is arranged in the jig base (1), the limiting assembly (4) comprises a first rectangular groove (401), a first rubber pad (402), a limiting plate (403), a second rectangular groove (404), a spring (405), a rectangular block (406) and a second rubber pad (407), a rotating assembly (7) is arranged at the bottom end of the connecting rod (6), and the rotating assembly (7) comprises a bearing (701), a first connecting block (702), a second connecting block (703), a circular connecting rod (706) and a circular connecting block (706).

2. The circuit board detection jig according to claim 1, wherein the lower surface of the moving plate (3) is fixedly provided with a T-shaped sliding block (301), the upper surface of the side plate (2) is provided with a T-shaped sliding groove (201), and the T-shaped sliding groove (201) is in sliding fit with the T-shaped sliding block (301).

3. The jig for detecting the circuit board according to claim 1, wherein the upper surface of the moving plate (3) is provided with a rectangular guide hole (302), and the front side and the rear side of the inner wall of the rectangular guide hole (302) are respectively in movable contact with the front side and the rear side of the connecting rod (6).

4. The circuit board detection jig according to claim 1, wherein the upper surface of the jig base (1) is provided with a first rectangular groove (401), a first rubber pad (402) is fixedly bonded to the bottom of the inner wall of the first rectangular groove (401), a limiting plate (403) is slidably arranged between the left side of the inner wall and the right side of the inner wall of the first rectangular groove (401), a second rubber pad (407) is fixedly bonded to one side of the limiting plate (403), rectangular blocks (406) are fixedly mounted on the left side and the rear side of the limiting plate (403), second rectangular grooves (404) are formed in the left side of the inner wall of the first rectangular groove (401) and the right side of the inner wall of the second rectangular groove (404), a spring (405) is fixedly connected to the rear side of the inner wall of the second rectangular groove (404), and the other end of the spring (405) is fixedly connected to the rear side of the rectangular blocks (406).

5. The circuit board detection jig according to claim 1, wherein a bearing (701) is fixedly arranged at the bottom end of the connecting rod (6), a first connecting block (702) is fixedly connected to the inner wall of the bearing (701), a second connecting block (703) is fixedly arranged at the bottom end of the first connecting block (702), a round rod (705) is fixedly arranged in the second connecting block (703), a U-shaped seat (704) is rotatably arranged at the outer side of the round rod (705), a rectangular plate (8) is fixedly arranged on the lower surface of the U-shaped seat (704), and a magnifier (9) is embedded in the rectangular plate (8).

6. The circuit board detection jig according to claim 5, wherein a circular hole (706) is formed in one side of the second connection block (703), and an inner wall of the circular hole (706) is fixedly connected with an outer side of the circular rod (705).