Circuit board detection jig

Abstract

The utility model provides a circuit board detection tool which comprises a tool base, a side plate is fixedly installed on the upper surface of the tool base, a universal meter is fixedly installed on the right side of the side plate, a moving plate is arranged on the upper surface of the side plate in a sliding mode, a connecting rod is arranged in the moving plate in a sliding mode, and the connecting rod is connected with the universal meter. A connecting rod is arranged on the upper surface of the jig base, a baffle is fixedly installed 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. According to the circuit board detection device, circuit boards of different specifications can be clamped and limited conveniently, the stability during circuit board detection is improved, through arrangement of a rectangular plate, a U-shaped seat, a second connecting block, a round rod and a magnifying lens, the observation position and the observation angle of the magnifying lens can be adjusted conveniently, and the accuracy of a circuit board detection result is improved.

Description

Technical Field

[0001] 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 Art

[0002] The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. After the production of circuit boards, they often need to be sampled and tested;

[0003] A Chinese patent publication (publication number: CN219957645U) discloses a jig for PCB circuit board detection, which relates to the technical field of circuit board detection; and the utility model includes a workbench, on the upper surface of which two symmetrically distributed positioning plates are fixedly provided, the positioning plates are L-shaped, a first groove is provided inside the workbench, two symmetrically distributed sliders are slidably provided inside the first groove, and two symmetrically distributed slide grooves are provided on the upper surface of the workbench; the rotating wheel in the utility model can directly drive the rotating shaft to drive the screw rod to rotate, so that the sliders threadedly inserted at both ends of the screw rod face each other, so that the two sliders drive the two positioning plates to move towards each other, so that the positioning plates can stably stop the two ends of the PCB circuit board, at this time, the staff only needs to hold the detection probe for detection without pressing, and at the same time, the PCB circuit board can be prevented from moving during the detection process, which is convenient for the staff to operate;

[0004] Although the inspection jig is convenient for stably stopping the two ends of the circuit board, it is not convenient for carefully magnifying and observing the welding points on the circuit board, which is easy to cause omissions and affect the inspection results. Therefore, a circuit board inspection jig is proposed. Utility Model Content

[0005] In view of this, the utility model provides a circuit board detection fixture to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is achieved as follows: a circuit board detection jig comprises a jig base, a side plate is fixedly installed on the upper surface of the jig base, a multimeter is fixedly installed 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 inside the movable plate, a baffle is fixedly installed on the top end of the connecting rod, the lower surface of the baffle is in active contact with the upper surface of the movable plate, a limiting assembly is arranged inside 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 circular hole.

[0007] Further preferably, a T-shaped slider is fixedly mounted on the lower surface of the movable plate, and a T-shaped slide groove is provided on the upper surface of the side plate, and the T-shaped slide groove is slidably matched with the T-shaped slider.

[0008] Further preferably, a rectangular guide hole is opened on the upper surface of the movable plate, and the front side and the rear side of the inner wall of the rectangular guide hole are in active contact with the front side and the rear side of the connecting rod respectively.

[0009] Further preferably, a first rectangular groove is opened on the upper surface of the jig base, a first rubber pad is fixedly bonded on the bottom of the inner wall of the first rectangular groove, a limiting plate is slidably arranged between the left side and the right side of the inner wall of the first rectangular groove, a second rubber pad is fixedly bonded on one side of the limiting plate, rectangular blocks are fixedly installed on the left and rear sides of the limiting plate, second rectangular grooves are opened on the left and right sides of the inner wall of the first rectangular groove, the outer side of the rectangular block is in movably contact with the inner wall of the second rectangular groove, a spring is fixedly connected to the rear side of the inner wall of the second rectangular groove, and the other end of the spring is fixedly connected to the rear side of the rectangular block.

[0010] Further preferably, a bearing is fixedly installed on the bottom end of the connecting rod, a first connecting block is fixedly connected to the inner wall of the bearing, a second connecting block is fixedly installed on the bottom end of the first connecting block, a round rod is fixedly installed inside the second connecting block, a U-shaped seat is rotatably installed on the outer side of the round rod, a rectangular plate is fixedly installed on the lower surface of the U-shaped seat, and a magnifying glass is embedded inside the rectangular plate.

[0011] Further preferably, a circular hole is opened on one side of the second connecting block, and the inner wall of the circular hole is fixedly connected to the outer side of the round rod.

[0012] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0013] 1. The utility model provides a limit plate, a rectangular block, a second rectangular groove, a spring, and a second rubber pad, so that circuit boards of different specifications can be clamped and limited, thereby improving the stability during circuit board detection.

[0014] 2. The utility model provides a rectangular plate, a U-shaped seat, a second connecting block, a second connecting block, a round rod, and a magnifying glass, so that it is easy to adjust the observation position and the observation angle of the magnifying glass, thereby improving the accuracy of the circuit board detection results.

[0015] The above summary is for the purpose of description 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 utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is the main axonometric structural diagram of the utility model;

[0018] Figure 2 This is a main sectional isometric structural diagram of the utility model;

[0019] Figure 3 It is a top view, cross-section, and axonometric structural diagram of the utility model;

[0020] Figure 4 For the utility model Figure 2 A magnified structural diagram of part A.

[0021] Figure numerals: 1. fixture base; 2. side plate; 201. T-shaped slide groove; 3. moving plate; 301. T-shaped slider; 302. rectangular guide hole; 4. limit assembly; 401. first rectangular groove; 402. first rubber pad; 403. limit plate; 404. second rectangular groove; 405. spring; 406. rectangular block; 407. second rubber pad; 5. baffle; 6. connecting rod; 7. rotating assembly; 701. bearing; 702. first connecting block; 703. second connecting block; 704. U-shaped seat; 705. round rod; 706. round hole; 8. rectangular plate; 9. magnifying glass; 10. multimeter. DETAILED DESCRIPTION

[0022] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0023] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0024] like Figure 1-4 As shown, an embodiment of the utility model provides a circuit board detection fixture, including a fixture base 1, a side plate 2 is fixedly installed on the upper surface of the fixture base 1, a multimeter 10 is fixedly installed on the right side of the side plate 2, a moving plate 3 is slidably arranged on the upper surface of the side plate 2, a connecting rod 6 is slidably arranged inside the moving plate 3, a baffle 5 is fixedly installed on the top of the connecting rod 6, and the lower surface of the baffle 5 is in active contact with the upper surface of the moving plate 3, a limiting component 4 is arranged inside the fixture base 1, the limiting component 4 includes 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, and a rotating component 7 is arranged at the bottom end of the connecting rod 6, and the rotating component 7 includes a bearing 701, a first connecting block 702, a second connecting block 703, a U-shaped seat 704, a round rod 705 and a circular hole 706.

[0025] In one embodiment, a T-shaped slider 301 is fixedly installed on the lower surface of the movable plate 3, and a T-shaped groove 201 is opened on the upper surface of the side plate 2. The T-shaped groove 201 and the T-shaped slider 301 are slidably matched. Under the mutual cooperation between the T-shaped slider 301 and the T-shaped groove 201, the movable plate 3 moves forward or backward on the upper surface of the side plate 2 to move the movable plate 3 to the desired position.

[0026] In one embodiment, a rectangular guide hole 302 is opened on the upper surface of the movable plate 3, and the front side and the rear side of the inner wall of the rectangular guide hole 302 are respectively in active contact with the front side and the rear side of the connecting rod 6. The connecting rod 6 moves left or right inside the rectangular guide hole 302 to move the magnifying glass 9 to the desired position.

[0027] In one embodiment, a first rectangular groove 401 is provided on the upper surface of the fixture base 1, a first rubber pad 402 is fixedly bonded to the bottom of the inner wall of the first rectangular groove 401, a limit plate 403 is slidably arranged between the left side 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 limit plate 403, a rectangular block 406 is fixedly installed on the left and rear sides of the limit plate 403, a second rectangular groove 404 is provided on the left and right sides of the inner wall of the first rectangular groove 401, the outer side of the rectangular block 406 is in active contact with 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, the other end of the spring 405 is fixedly connected to the rear side of the rectangular block 406, the circuit board to be inspected is limited and clamped by the movable limit plate 403 and the second rubber pad 407, so as to improve the stability of the circuit board during inspection.

[0028] 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 inside 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 inside the rectangular plate 8, and the observation angle of the magnifying glass 9 is adjusted by the axially rotating first connecting block 702 and the up and down rotating U-shaped seat 704.

[0029] In one embodiment, a circular hole 706 is opened on one side of the second connection block 703 , and the inner wall of the circular hole 706 is fixedly connected to the outer side of the round rod 705 , so that the round rod 705 is fixed through the circular hole 706 .

[0030] The utility model is in operation: when it is necessary to inspect the circuit board, the limit plate 403 is pulled to move forward, and the limit plate 403 drives the two rectangular blocks 406 to move along the second rectangular groove 404. The spring 405 is stretched while the limit plate 403 moves. The movement of the limit plate 403 also drives the second rubber pad 407 to move, and the circuit board to be inspected is placed in the first rectangular groove 401, and one side of the circuit board is in contact with the rear side of the inner wall of the first rectangular groove 401. The pull on the limit plate 403 is released. At this time, the stretched spring 405 is reset, and the spring 405 drives the limit plate 403 to move backward until the rear side of the second rubber pad 407 is in contact with the front side of the circuit board to be inspected. At the same time, under the action of the first rubber pad 402, the lower surface of the circuit board is protected, so that it is convenient to clamp and limit circuit boards of different specifications, thereby improving the stability of the circuit board during inspection.

[0031] Then, according to the position of the circuit board to be inspected, the moving plate 3 is moved forward or backward. Under the cooperation of the T-shaped slider 301 and the T-shaped slide groove 201, the moving plate 3 moves forward or backward on the upper surface of the side plate 2. After the moving plate 3 is moved to the desired position, the baffle 5 is pulled to drive the connecting rod 6 to move left or right inside the rectangular guide hole 302. Under the action of the connecting rod 6, the magnifying glass 9 is moved to the desired position. When it is necessary to observe the welding points at different angles on the circuit board, the rectangular plate 8 is rotated to drive the U-shaped seat 704 to rotate. The U-shaped seat 704 The second connecting block 703 is driven to rotate, and the rotating second connecting block 703 drives the first connecting block 702 to rotate, and at the same time, the rectangular plate 8 is rotated upward or downward, so that it drives the U-shaped seat 704 to rotate upward or downward on the outside of the round rod 705. At the same time, the rectangular plate 8 drives the magnifying glass 9 to rotate upward or downward, and the different angles of the welding points on the circuit board are observed through the magnifying glass 9. At the same time, the multimeter 10 can be used to detect whether there is a short circuit problem on the circuit board, which makes it easy to adjust the observation position and observation angle of the magnifying glass 9, thereby improving the accuracy of the circuit board detection results.

[0032] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A circuit board inspection fixture, characterized in that: The jig base (1) comprises a side plate (2) fixedly mounted on the upper surface of the jig base (1), a multimeter (10) fixedly mounted on the right side of the side plate (2), a movable plate (3) slidably mounted on the upper surface of the side plate (2), a connecting rod (6) slidably mounted inside the movable plate (3), a baffle (5) fixedly mounted on the top end of the connecting rod (6), the lower surface of the baffle (5) movably contacting with the upper surface of the movable plate (3), and a limit position component (10) being arranged inside the jig base (1). 4), 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), and 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 U-shaped seat (704), a round rod (705) and a circular hole (706).

2. A circuit board testing fixture according to claim 1, characterized in that: A T-shaped slider (301) is fixedly mounted on the lower surface of the movable plate (3), and a T-shaped slide groove (201) is provided on the upper surface of the side plate (2), wherein the T-shaped slide groove (201) is slidably matched with the T-shaped slider (301).

3. A circuit board testing fixture according to claim 1, characterized in that: A rectangular guide hole (302) is provided on the upper surface of the movable plate (3), and the front side and the rear side of the inner wall of the rectangular guide hole (302) are in active contact with the front side and the rear side of the connecting rod (6) respectively.

4. A circuit board testing fixture according to claim 1, characterized in that: A first rectangular groove (401) is provided on the upper surface of the jig base (1); a first rubber pad (402) is fixedly bonded to the bottom of the inner wall of the first rectangular groove (401); a limit plate (403) is slidably arranged between the left side 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 limit plate (403); a rectangular block (406) is fixedly installed on the left and rear sides of the limit plate (403); a second rectangular groove (404) is provided on the left and right sides of the inner wall of the first rectangular groove (401); the outer side of the rectangular block (406) is in active contact with 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); the other end of the spring (405) is fixedly connected to the rear side of the rectangular block (406).

5. The circuit board detection jig according to claim 1, characterized in that: A bearing (701) is fixedly mounted on 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 mounted on the bottom end of the first connecting block (702); a round rod (705) is fixedly mounted inside the second connecting block (703); a U-shaped seat (704) is rotatably mounted on the outer side of the round rod (705); a rectangular plate (8) is fixedly mounted on the lower surface of the U-shaped seat (704); a magnifying glass (9) is embedded inside the rectangular plate (8).

6. A circuit board testing jig according to claim 5, characterized in that: A circular hole (706) is provided on one side of the second connection block (703), and the inner wall of the circular hole (706) is fixedly connected to the outer side of the round rod (705).

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