Automobile wire harness conduction detection jig

By designing a continuity testing fixture for automotive wiring harnesses, and utilizing elastic and drive components to achieve automatic alignment and stable connection of the wiring harness, the problems of non-perpendicular insertion and unstable connection of terminals in wiring harness testing are solved, thereby improving testing accuracy and efficiency.

CN223565735UActive Publication Date: 2025-11-18HEFEI DEYU ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422892328.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-18
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

During automotive wiring harness testing, improper insertion of wiring harness terminals or uneven force can lead to inaccurate test results, unstable connections, and reduced testing efficiency.

Method used

A continuity testing fixture for automotive wiring harnesses was designed. It uses a spring component and a drive component in conjunction with a slider and a mounting block to achieve automatic return and stable connection of the wiring harness, and completes continuity testing through a test socket.

Benefits of technology

This improves the connection stability and convenience of wire harness testing, ensuring testing effectiveness and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile wire harness conduction detection jig, which belongs to the technical field of automobile wire harness detection and comprises a workbench, a side plate is fixedly connected to one side of the workbench, a first sliding block is arranged in the middle of the side plate in an up-down sliding mode, and an auxiliary roller is horizontally installed on one side, facing the workbench, of the first sliding block. And an elastic assembly for driving the first sliding block to move upwards is arranged in the side plate. According to the automobile wire harness conduction detection jig, the elastic assembly is matched with the first sliding block, so that the middle section of the wire harness is lifted upwards through the auxiliary roller, terminals at the two ends of the wire harness are limited through the installation block and the wire groove, the terminals at the two ends of the wire harness are moved downwards through the driving assembly, and testing is completed in cooperation with the testing base. The problem that vertical insertion cannot be realized or the acting force is not uniformly applied is avoided, the connection stability and convenience are improved, and the detection effect and efficiency are further ensured.
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Description

Technical Field

[0001] This utility model belongs to the field of automotive wiring harness testing technology, and in particular relates to an automotive wiring harness continuity testing fixture. Background Technology

[0002] Automotive wiring harnesses are components that connect and enable the electronic and electrical parts of a vehicle to function. They form the main network of the vehicle's electrical system and primarily consist of copper connectors (plugs and sockets), plastic sheaths, and wires. The connectors and wires are crimped together and installed within the plastic sheath, while the wires are bundled and wrapped with tape. The role of the wiring harness in the vehicle is to transmit and exchange power and data signals from the electrical system, thus fulfilling the functions and requirements of the electrical system.

[0003] When using a conductive jig for automotive wiring harness testing to check whether a wiring harness is qualified, it is necessary to frequently insert and remove the wiring harness terminals and ports. Sometimes, the terminals cannot be inserted vertically or the force applied is uneven, which can easily damage the inside of the ports, affecting subsequent wiring harness testing. Furthermore, during the connection process, the wiring harness is prone to falling off due to unstable connections, resulting in a decrease in the accuracy of the test results and a reduction in work efficiency.

[0004] To address this issue, we propose a continuity testing fixture for automotive wiring harnesses. Utility Model Content

[0005] The purpose of this invention is to solve the problem of poor wire harness detection in the prior art, and to propose an automotive wire harness continuity testing fixture.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A continuity testing fixture for automotive wiring harnesses includes a workbench, a side plate fixedly connected to one side of the workbench, a first slider slidably mounted vertically in the middle of the side plate, an auxiliary roller horizontally mounted on the side of the first slider facing the workbench, and an elastic component inside the side plate for driving the first slider to move upward.

[0008] The side plate has a second slider that slides up and down on both sides. The second slider has a mounting block horizontally mounted on the side facing the workbench, and the mounting block has a wire groove for placing the wire harness. The other side of the side plate has a drive assembly that drives the two second sliders to move synchronously.

[0009] Test seats are fixedly installed on both sides of the top surface of the workbench, and the two test seats are respectively located directly below the two mounting blocks.

[0010] Preferably, a first groove is provided in the middle of the side plate, the first slider is slidably disposed in the first groove, and a compression spring is fixedly connected between the bottom of the first groove and the first slider.

[0011] Preferably, auxiliary grooves are provided on both sides of the first groove, and the first slider extends into the auxiliary grooves on both sides.

[0012] Preferably, an auxiliary plate is fixedly connected to the lower part of the side of the first groove facing the worktable.

[0013] Preferably, the groove narrows from top to bottom.

[0014] Preferably, the ends of the groove are rounded.

[0015] Preferably, a through slot is provided on one side of the test seat.

[0016] Preferably, the drive assembly includes a mounting bracket and an electric actuator. The mounting bracket is slidably disposed on the side of the side plate, and two second sliders are respectively fixedly connected to both sides of the mounting bracket. The electric actuator drives the mounting bracket to slide up and down. A second groove is provided through both sides of the side plate, and the second sliders are slidably disposed in the second groove.

[0017] In summary, the technical effects and advantages of this utility model are as follows: This automotive wiring harness continuity testing fixture, through the elastic component and the first slider, achieves the lifting of the middle section of the wiring harness by the auxiliary roller; through the mounting block and the wire groove, it achieves the limiting of the terminals at both ends of the wiring harness; and through the driving component, it achieves the downward movement of the terminals at both ends of the wiring harness. Combined with the test seat, it completes the test. Compared with existing devices, it avoids the problems of not being able to insert vertically or uneven force application, improves connection stability and convenience, and thus ensures testing effect and efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 This is a front view of the present utility model;

[0021] Figure 4 This is a cross-sectional side view of the present invention;

[0022] Figure 5 This is a rear view of the present invention.

[0023] In the diagram: 1. Workbench; 2. Side plate; 3. First slider; 4. Auxiliary roller; 5. Second slider; 6. Mounting block; 7. Wire groove; 8. Test seat; 9. First groove; 10. Compression spring; 11. Auxiliary groove; 12. Auxiliary plate; 13. Through groove; 14. Mounting bracket; 15. Electric actuator; 16. Second groove. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Reference Figure 1-3 A continuity testing fixture for automotive wiring harnesses includes a workbench 1, a side plate 2 fixedly connected to one side of the workbench 1, a first slider 3 slidably mounted vertically in the middle of the side plate 2, and an auxiliary roller 4 horizontally mounted on the side of the first slider 3 facing the workbench 1. The auxiliary roller 4 is rotatably connected to the side of the first slider 3 to facilitate automatic repositioning of the wiring harness. A spring assembly for driving the first slider 3 upward is provided inside the side plate 2.

[0026] The side plate 2 has a second slider 5 that slides up and down on both sides. The second slider 5 has a mounting block 6 horizontally mounted on the side facing the worktable 1. The mounting block 6 has a wire groove 7 for placing the wire harness. The other side of the side plate 2 has a drive assembly that drives the two second sliders 5 to move synchronously.

[0027] Test sockets 8 are fixedly installed on both sides of the top surface of the workbench 1, and the two test sockets 8 are located directly below the two mounting blocks 6. The two test sockets 8 are electrically connected. Since the test sockets 8 are existing technology and are common in the field of wire harness testing, they will not be described in detail.

[0028] When using this automotive wiring harness continuity testing fixture, the worker holds both ends of the wiring harness, places the middle of the wiring harness above the rotating roller, presses down on the wiring harness and puts both ends of the wiring harness into the wire groove 7, releases the wiring harness, and the elastic component drives the first slider 3 to move upward, and the rotating roller drives the wiring harness to move upward until the terminals at both ends of the wiring harness are stuck at the end of the wire groove 7, thus completing the fixing and self-alignment of the wiring harness.

[0029] During testing, the two second sliders 5 are driven to move down by the drive component, thereby enabling the two mounting blocks 6 to move down synchronously, and thus enabling the terminals at both ends of the wire harness to move down until the terminals are inserted into the test socket 8 and electrically connected to it, at which point the continuity test of the wire harness can begin.

[0030] After the test is completed, the two second sliders 5 are driven upward by the drive component, and the mounting block 6 moves upward accordingly. The elastic component drives the first slider 3 and the rotating roller to move upward, so that the terminals at both ends of the wire harness are always fixed at the end of the wire groove 7. The wire harness then moves upward with the mounting block 6 and detaches from the test seat 8, completing the test. The manual operation is simple and the cost of use is low.

[0031] Reference Figure 4A first groove 9 is provided in the middle of the side plate 2. The first slider 3 is slidably disposed in the first groove 9, and a compression spring 10 is fixedly connected between the bottom of the first groove 9 and the first slider 3. The compression spring 10 enables the first slider 3 to move upward, and when the first slider 3 moves to the top of the first groove 9, the compression spring 10 is still in a compressed state.

[0032] To ensure the stability of the movement of the first slider 3, auxiliary grooves 11 are provided on both sides of the first groove 9, and the first slider 3 extends into the auxiliary grooves 11 on both sides, thereby limiting the movement of the first slider 3 and improving the stability of the device.

[0033] Since the compression stroke of the compression spring 10 is limited, in order to avoid damage caused by excessive compression of the compression spring 10 during operation, an auxiliary plate 12 is fixedly connected to the lower part of the side of the first groove 9 facing the worktable 1. The auxiliary plate 12 limits the bottom end of the stroke of the first slider 3. In addition, since the compression spring 10 is relatively long, the auxiliary plate 12 can also limit the compression spring 10 to avoid bending of the compression spring 10 during operation as much as possible.

[0034] Reference Figure 1-2 The wire groove 7 narrows from top to bottom, which facilitates manual placement of the wire harness and further improves the detection efficiency.

[0035] To prevent the wire harness from being cut by the edge of the end of the wire trough 7 during placement, the end of the wire trough 7 is rounded.

[0036] Since the wiring harness needs to ensure connection stability in actual use, a locking block is usually connected at the terminal; however, during testing, the ease of disassembly after the test needs to be considered. A through groove 13 is provided on one side of the test base 8, and the locking block slides up and down in the through groove 13 without contacting each other.

[0037] Reference Figure 5 The driving assembly includes a mounting bracket 14 and an electric actuator 15. The mounting bracket 14 is slidably disposed on the side of the side plate 2, and two second sliders 5 are respectively fixedly connected to both sides of the mounting bracket 14. The electric actuator 15 drives the mounting bracket 14 to slide up and down. Second slots 16 are formed through both sides of the side plate 2, and the second sliders 5 are slidably disposed within the second slots 16. This driving assembly achieves the up and down movement of the mounting bracket 14 through the electric actuator 15, thereby achieving the synchronous movement of the two second sliders 5, and the two mounting blocks 6 move synchronously accordingly. The electric actuator 15 is fixedly installed on the lower part of the side plate 2. Since the electric actuator 15 is existing technology, it will not be described in detail.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An automobile wire harness conduction detection jig comprising a workbench (1), characterized in that, The workbench (1) one side is fixedly connected with side plate (2), the side plate (2) middle part is slidably provided with first sliding block (3), the first sliding block (3) is horizontally installed with auxiliary roller (4) towards the one side of workbench (1), the side plate (2) is provided with the elastic component of driving first sliding block (3) to move upwards inside; The side plate (2) both sides are slidably provided with second sliding block (5), the second sliding block (5) is horizontally installed with mounting block (6) towards the one side of workbench (1), and the mounting block (6) is provided with wire slot (7) for wire harness placement, the other side of side plate (2) is provided with the drive assembly of driving two second sliding blocks (5) synchronous movement; The workbench (1) top surface both sides are fixedly installed with test seat (8), and two test seats (8) are located below two mounting blocks (6) respectively.

2. The harness continuity detection fixture of claim 1, wherein, The side plate (2) middle part is provided with first slot (9), the first sliding block (3) is slidably arranged in first slot (9), and the first slot (9) bottom is fixedly connected with compression spring (10) between first sliding block (3).

3. The automobile wire harness on-off detection fixture according to claim 2, characterized in that, The first slot (9) both sides are provided with auxiliary slot (11), and the first sliding block (3) both sides extend into auxiliary slot (11).

4. The automobile wire harness on-off detection fixture according to claim 3, characterized in that, The first slot (9) towards the one side lower part of workbench (1) is fixedly connected with auxiliary plate (12).

5. The automobile wire harness on-off detection fixture according to claim 1, characterized in that, The wire slot (7) is narrowed from top to bottom.

6. The automobile wire harness on-off detection fixture according to claim 5, characterized in that, The wire slot (7) end is rounded.

7. The automobile wire harness continuity detection fixture of claim 1, wherein, The test seat (8) one side is provided with through groove (13).

8. The automobile wire harness continuity detection fixture of claim 1, wherein, The drive assembly includes mounting bracket (14) and electric push rod (15), the mounting bracket (14) is slidably arranged on the side surface of side plate (2), and two second sliding blocks (5) are fixedly connected on the both sides of mounting bracket (14), the electric push rod (15) drives mounting bracket (14) to slide up and down, the second slot (16) is formed through on the both sides of side plate (2), and the second sliding block (5) is slidably arranged in second slot (16).