A jig for detecting a PCB circuit board

Abstract

The utility model provides a kind of jig for PCB circuit board detection, it is related to the technical field of jig for PCB circuit board detection, and it includes: detection jig ontology, the side surface of detection jig ontology is equipped with adjusting mechanism, the adjusting mechanism includes lifting plate, the inside sleeve of lifting plate is connected with guide rod, the guide rod is slidably connected with lifting plate, the top of lifting plate is fixedly connected with fixed block, the inside sleeve of fixed block is connected with threaded rod.The utility model, by setting adjusting mechanism, so that the position of the extrusion column for extruding and driving the detected PCB printed circuit board to move down can be adjusted, and the position of multiple extrusion columns can be simultaneously adjusted in advance, so that the extrusion column can be more suitable for the thickness of PCB circuit board, and the extrusion column can also be fine-tuned one by one, and then the position of the extrusion column can be more suitable.

Description

Technical Field

[0001] This utility model relates to the technical field of PCB circuit board testing fixtures, and in particular to a PCB circuit board testing fixture. Background Technology

[0002] PCB (Printed Circuit Board), also known as printed circuit board or printed circuit board, is a plate-shaped component that uses an insulating substrate as a carrier and forms conductive patterns on the substrate through processes such as printing or etching to achieve electrical connections between electronic components.

[0003] Existing PCB (Printed Circuit Board) testing requires specialized testing fixtures during production. PCBs are typically placed on a rack within the testing fixture, and a pressing component moves the PCB and rack to bring them into contact with the testing components. However, the position of the pressing columns in the pressing component cannot be adjusted. Inappropriate column positioning can lead to excessive pressure and damage to the PCB. Furthermore, the pressing columns are fixed, preventing adjustment based on actual usage. Therefore, existing PCB testing fixtures are inconvenient to use. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing PCB printed circuit board testing fixtures, such as the inability to adaptively adjust the position of the extrusion column, and to provide a PCB printed circuit board testing fixture.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a PCB circuit board testing fixture, comprising: a testing fixture body, an adjustment mechanism provided on one side of the testing fixture body, the adjustment mechanism including a lifting plate, a guide rod sleeved inside the lifting plate, the guide rod being slidably connected to the lifting plate, a fixing block fixedly connected to the top of the lifting plate, a threaded rod sleeved inside the fixing block, a threaded block sleeved on the outer surface of the threaded rod, the threaded block being threadedly connected to the threaded rod, a pressure plate fixedly connected to one end of the threaded block, a circular hole provided on the pressure plate, an auxiliary mechanism provided inside the circular hole, the auxiliary mechanism including a threaded tube sleeved inside the circular hole, the threaded tube being fixedly connected to the pressure plate, an extrusion column sleeved inside the threaded tube, the extrusion column being fixedly connected to the threaded tube, and a conical column fixedly connected to one end of the extrusion column.

[0006] In a preferred embodiment, the lifting plate is fixedly connected to the testing fixture body, the guide rod is fixedly connected to the testing fixture body, and the threaded rod is rotatably connected to the fixing block.

[0007] In a preferred embodiment, the threaded block is fitted inside the fixed block, the threaded block and the fixed block are slidably connected, and a bearing is fitted onto the outer surface of one end of the threaded rod.

[0008] In a preferred embodiment, the bearing is placed inside the fixed block, and the bearing is fixedly connected to the inner wall of the fixed block and the outer surface of the threaded rod.

[0009] In a preferred embodiment, one end of the threaded rod is provided with a rotating block, which is fixedly connected to the threaded rod.

[0010] In a preferred embodiment, a rubber sleeve is fitted onto the outer surface of the rotating block, and the rubber sleeve is fixedly connected to the rotating block.

[0011] In a preferred embodiment, one end of the extrusion column is provided with a screw block, which is fixedly connected to the extrusion column.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] This invention, through the setting of an adjustment mechanism, allows for the position adjustment of the extrusion columns used to squeeze and move the PCB printed circuit board being inspected downwards. The positions of multiple extrusion columns can be adjusted simultaneously in advance, making the extrusion columns more suitable for the thickness of the PCB circuit board. Individual fine-tuning of the extrusion columns further ensures a more appropriate position and better cooperation with the PCB circuit board, preventing damage when the extrusion columns move the PCB circuit board. A soft rubber sleeve is provided to prevent friction injury to the operator's hands when rotating the rotating block. An auxiliary mechanism, which works in conjunction with the adjustment mechanism, allows the adjustment mechanism to squeeze and move the PCB circuit board downwards when it is moved up and down by the inspection fixture body. Attached Figure Description

[0014] Figure 1 This is a perspective view of a PCB circuit board testing fixture provided by the present invention.

[0015] Figure 2 This utility model provides a schematic diagram of the installation of a lifting plate for a PCB circuit board testing fixture.

[0016] Figure 3 This utility model provides a schematic diagram of the threaded block installation of a PCB circuit board testing fixture.

[0017] Figure 4 This utility model provides a schematic diagram of the installation of the extrusion block of a PCB circuit board testing fixture.

[0018] Legend:

[0019] 1. Inspection fixture body; 2. Adjustment mechanism; 3. Auxiliary mechanism; 21. Lifting plate; 22. Guide rod; 23. Fixing block; 24. Threaded rod; 25. Threaded block; 26. Pressure plate; 27. Round hole; 28. Bearing;

[0020] 29. Rotating block; 201. Rubber sleeve; 31. Threaded pipe; 32. Extrusion column; 33. Conical column; 34. Tightening block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] like Figures 1-4 As shown, this utility model provides a technical solution: a PCB circuit board testing fixture, comprising: a testing fixture body 1, an adjustment mechanism 2 provided on one side of the testing fixture body 1, the adjustment mechanism 2 including a lifting plate 21, a guide rod 22 sleeved inside the lifting plate 21, the guide rod 22 being slidably connected to the lifting plate 21, a fixing block 23 fixedly connected to the top of the lifting plate 21, a threaded rod 24 sleeved inside the fixing block 23, a threaded block 25 sleeved on the outer surface of the threaded rod 24, the threaded block 25 being threadedly connected to the threaded rod 24, a pressure plate 26 fixedly connected to one end of the threaded block 25, and a circular hole 27 opened on the pressure plate 26. The lifting plate 21 is fixedly connected to the testing fixture body 1, the guide rod 22 is fixedly connected to the testing fixture body 1, the threaded rod 24 is rotatably connected to the fixed block 23, the threaded block 25 is sleeved inside the fixed block 23, and the threaded block 25 is slidably connected to the fixed block 23. A bearing 28 is sleeved on the outer surface of one end of the threaded rod 24. The bearing 28 is placed inside the fixed block 23. The bearing 28 is fixedly connected to the inner wall of the fixed block 23 and the outer surface of the threaded rod 24. A rotating block 29 is provided at one end of the threaded rod 24. The rotating block 29 is fixedly connected to the threaded rod 24. A rubber sleeve 201 is sleeved on the outer surface of the rotating block 29. The rubber sleeve 201 is fixedly connected to the rotating block 29.

[0024] In this embodiment, a lifting plate 21 is provided, and the lifting plate 21 is fixedly connected to the connecting rod in the pressing assembly of the testing fixture body 1. Therefore, the lifting plate 21 can drive the fixed block 23 and the pressure plate 26 to move up and down simultaneously. A guide rod 22 is provided, and the lifting plate 21 is sleeved on the outer surface of the guide rod 22. Therefore, the guide rod 22 can guide the movement of the lifting plate 21, preventing it from shifting. Furthermore, a threaded rod 24 and a threaded block 25 are provided, and the threaded rod 24 can drive the threaded block 25, thereby enabling the threaded block 25 to move... The moving pressure plate 26 moves up and down, which in turn allows multiple extrusion columns 32 and conical columns 33 to move simultaneously. This allows the multiple extrusion columns 32 and conical columns 33 to be positioned more quickly and easily, thereby improving the convenience of adjusting the position of the extrusion columns 32 and conical columns 33. A rubber sleeve 201 is provided, and the rubber sleeve 201 is relatively soft, so that the operator's hands will not be injured by friction when rotating the rotating block 29. In addition, the pressure plate 26 is slidably connected to the connecting rod of the testing fixture body 1, so that the position of the pressure plate 26 can be adjusted.

[0025] Example 2

[0026] like Figures 1-4 As shown, an auxiliary mechanism 3 is provided inside the circular hole 27. The auxiliary mechanism 3 includes a threaded tube 31, which is sleeved inside the circular hole 27. The threaded tube 31 is fixedly connected to the pressure plate 26. An extrusion column 32 is sleeved inside the threaded tube 31 and is fixedly connected to the threaded tube 31. A conical column 33 is fixedly connected to one end of the extrusion column 32. A screw block 34 is provided at one end of the extrusion column 32 and is fixedly connected to the extrusion column 32.

[0027] In this embodiment, by setting an auxiliary mechanism 3, which can be used in conjunction with the adjustment mechanism 2, the adjustment mechanism 2 can be driven to move up and down by the detection fixture body 1 to squeeze the PCB circuit board downward. Thus, the PCB circuit board can be connected to the detection component of the detection fixture body 1. A threaded tube 31 and a pressing column 32 are set, and the pressing column 32 is threadedly connected to the threaded tube 31. In this way, the pressing column 32 can drive the conical column 33 to rotate and move with the cooperation of the threaded tube 31, so that the positions of different pressing columns 32 and conical columns 33 can be adjusted individually until each pressing column 32 and conical column 33 is in a suitable state.

[0028] Working principle:

[0029] like Figures 1-4As shown, in use, the positions of the extrusion column 32 and the conical column 33 can be adjusted first to match the PCB circuit board being tested. Then, rotating the rubber sleeve 201 causes the rotating block 29 and the threaded rod 24 to rotate. The threaded rod 24, with the cooperation of the bearing 28, drives the threaded block 25, thereby causing the threaded block 25 to move up and down. This allows the positions of a certain number of extrusion columns 32 and conical columns 33, which cooperate with the pressure plate 26, to be initially adjusted simultaneously. Next, rotating the screw block 34 causes the extrusion column 32 to rotate, and the extrusion column 32, with the cooperation of the threaded tube 31, can rotate and move. This allows the positions of different extrusion columns 32 and conical columns 33 to be further adjusted. Fine-tuning is performed until the positions of each extrusion column 32 and conical column 33 are in a suitable state. When they are moved downward, they will extrude and move the PCB circuit board. At this time, the PCB circuit board is placed on the top of the placement frame of the test fixture body 1. Then, the pressing component of the test fixture body 1 is used to move the lifting plate 21 downward. The lifting plate 21 can slide on the outer surface of the guide rod 22 and simultaneously move the threaded rod 24, the pressure plate 26, and the extrusion column 32 and conical column 33 downward. The conical column 33 will contact the PCB circuit board and extrude and move the PCB circuit board downward until the PCB circuit board is connected to the test component of the test fixture body 1. Thus, the test fixture body 1 can reflect whether the tested PCB circuit board is qualified.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A fixture for testing PCB circuit boards, characterized in that, include: The testing fixture body (1) has an adjustment mechanism (2) on one side. The adjustment mechanism (2) includes a lifting plate (21). A guide rod (22) is sleeved inside the lifting plate (21). The guide rod (22) is slidably connected to the lifting plate (21). A fixing block (23) is fixedly connected to the top of the lifting plate (21). A threaded rod (24) is sleeved inside the fixing block (23). A threaded block (25) is sleeved on the outer surface of the threaded rod (24). The threaded block (25) is threaded with the threaded rod (24). The threaded block (25) is fixedly connected to a pressure plate (26) at one end. The pressure plate (26) has a round hole (27) and an auxiliary mechanism (3) is provided inside the round hole (27). The auxiliary mechanism (3) includes a threaded tube (31). The threaded tube (31) is sleeved inside the round hole (27). The threaded tube (31) is fixedly connected to the pressure plate (26). An extrusion column (32) is sleeved inside the threaded tube (31). The extrusion column (32) is fixedly connected to the threaded tube (31). A tapered column (33) is fixedly connected to one end of the extrusion column (32).

2. The PCB circuit board testing fixture according to claim 1, characterized in that: The lifting plate (21) is fixedly connected to the testing fixture body (1), the guide rod (22) is fixedly connected to the testing fixture body (1), and the threaded rod (24) is rotatably connected to the fixing block (23).

3. The PCB circuit board testing fixture according to claim 2, characterized in that: The threaded block (25) is fitted inside the fixed block (23), and the threaded block (25) and the fixed block (23) are slidably connected. A bearing (28) is fitted on the outer surface of one end of the threaded rod (24).

4. The PCB circuit board testing fixture according to claim 3, characterized in that: The bearing (28) is placed inside the fixed block (23), and the bearing (28) is fixedly connected to the inner wall of the fixed block (23) and the outer surface of the threaded rod (24).

5. A PCB circuit board testing fixture according to claim 4, characterized in that: One end of the threaded rod (24) is provided with a rotating block (29), and the rotating block (29) is fixedly connected to the threaded rod (24).

6. A PCB circuit board testing fixture according to claim 5, characterized in that: A rubber sleeve (201) is fitted onto the outer surface of the rotating block (29), and the rubber sleeve (201) is fixedly connected to the rotating block (29).

7. A PCB circuit board testing fixture according to claim 1, characterized in that: One end of the extrusion column (32) is provided with a screw block (34), and the screw block (34) is fixedly connected to the extrusion column (32).

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