Wire harness connector terminal conductivity test fixture

Abstract

The utility model discloses a wire harness connector terminal conductivity test fixture, which comprises a base, a probe, a starting switch, a reset switch and a pressing device, the base is provided with a detection groove for accommodating the joint, the probe and the starting switch are arranged in the detection groove, and the probe and the starting switch protrude out of the bottom wall of the detection groove; the pressing device is connected to the side part of the detection groove, and the reset switch is connected to the base; four through holes are formed in the bottom of the detection groove, a starting switch and three probes are connected into the four through holes respectively, and the three probes correspond to terminals on the connector. Compared with the prior art, the connector A is inserted into the conduction tester, the connector B is placed in the detection groove, the pressing device presses the connector B, and the terminal on the connector B is contacted with the probe, so that whether the terminals at the two ends of the wire harness can be rapidly detected, the method is time-saving and labor-saving, the working time is reduced from 16s to 8s, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of jigs, in particular to a conductive test jig for wire harness connector terminals. Background Art

[0002] A wire harness (circuit group) is the overall equipment that provides services for a certain load source group, such as relay lines, switching devices, control systems, etc. The wire harness is composed of multiple wires and connectors A and B at both ends. Terminals are connected to connectors A and B. Before leaving the factory, it is necessary to detect whether the terminals at both ends of the wire harness can conduct electricity.

[0003] In the prior art, first, take a finished wire harness, then clamp the terminal surfaces of the test products one by one with test clips for testing, and then take out the finished product after the test is completed. The time-consuming of the above working method is as follows: taking 3s, clamping the terminal surface for 6s, testing for 3s, and winding up the wire for 4s. The total working hours: 16s. Therefore, this method consumes a long time in operation and has a low production capacity. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a conductive test jig for wire harness connector terminals. Insert connector A into the conduction tester, place connector B in the detection slot, the pressing device presses connector B, and the terminals on connector B are in contact with the probes, so as to quickly detect whether the terminals at both ends of the wire harness can conduct electricity. This method saves time and effort, and the working hours are reduced from 16s to 8s, improving production efficiency, so as to solve the problems put forward in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A conductive test jig for wire harness connector terminals includes a base, probes, a start switch, a reset switch, and a pressing device; a detection slot for accommodating the connector is provided on the base, the probes and the start switch are arranged in the detection slot, and the probes and the start switch protrude from the bottom wall of the detection slot; the pressing device is connected to the side of the detection slot, and the reset switch is connected to the base.

[0007] A further improvement of the utility model is that a PCB board is installed in the base, the probes, the start switch, and the reset switch are connected to the PCB board, and the PCB board is electrically connected to the conduction tester.

[0008] A further improvement of the utility model is that four through holes are provided at the bottom of the detection slot, one start switch and three probes are respectively connected to the four through holes, and the three probes correspond to the terminals on the connector.

[0009] A further improvement of the present utility model is that the pressing device is a 90° rotating and pressing cylinder. An installation groove is provided on the side of the detection groove. The rotating and pressing cylinder is connected to the installation groove, and when the rotating and pressing cylinder presses down, the pressing head is located above the detection groove.

[0010] A further improvement of the present utility model is that the rotating and pressing cylinder is connected to the solenoid valve through a pipeline, the solenoid valve is connected to the air source through a pipeline, and the solenoid valve is electrically connected to the PCB board.

[0011] A further improvement of the present utility model is that there are two pressing devices symmetrically arranged left and right.

[0012] A further improvement of the present utility model is that the base is made of bakelite.

[0013] The beneficial effects of the present utility model:

[0014] For the wire harness joint terminal conduction test fixture of the present utility model, the joint A is inserted into the conduction tester, the joint B is placed in the detection groove, the pressing device presses the joint B, and the terminals on the joint B contact the probes, so that it can quickly detect whether the terminals at both ends of the wire harness can conduct. This method saves time and effort, and the operation time is reduced from 16 s to 8 s, improving production efficiency.

[0015] For the wire harness joint terminal conduction test fixture of the present utility model, there are two pressing devices symmetrically arranged left and right. The joint B is stable on the fixture, and the terminals on the joint B are in full contact with the probes, ensuring more accurate test results. Description of the Drawings

[0016] Figure 1 It is a structural schematic diagram of the wire harness.

[0017] Figure 2 It is a schematic diagram of the overall structure of the present utility model.

[0018] In the figure: 1 - base, 2 - probe, 3 - start switch, 4 - reset switch, 5 - detection groove, 6 - through hole, 7 - rotating and pressing cylinder, 8 - wire harness, 801 - joint A, 802 - joint B, 803 - terminal. Detailed Embodiments

[0019] The following further clarifies the present utility model in conjunction with the drawings and specific embodiments.

[0020] Embodiment 1: As Figures 1-2As shown in the figure, a conductive testing fixture for a wire harness connector terminal includes a base 1, a probe 2, a start switch 3, a reset switch 4, and a pressing device. A detection slot 5 for accommodating the connector is provided on the base 1. The probe 2 and the start switch 3 are arranged in the detection slot 5, and the probe 2 and the start switch 3 protrude from the bottom wall of the detection slot 5. The pressing device is connected to the side of the detection slot 5, and the reset switch 4 is connected to the base 1.

[0021] A PCB board is installed inside the base 1. The probe 2, the start switch 3, and the reset switch 4 are connected to the PCB board, and the PCB board is electrically connected to the continuity tester.

[0022] Four through holes 6 are provided at the bottom of the detection slot 5. One start switch 3 and three probes 2 are respectively connected to the four through holes 6, and the three probes 2 correspond to the terminals 803 on the connector.

[0023] The pressing device is a 90° rotary pressing cylinder 7. An installation slot is provided on the side of the detection slot 5. The rotary pressing cylinder 7 is connected to the installation slot. When the rotary pressing cylinder 7 presses down, the pressing head is located above the detection slot 5.

[0024] The rotary pressing cylinder 7 is connected to the solenoid valve through a pipeline. The solenoid valve is connected to the air source through a pipeline, and the solenoid valve is electrically connected to the PCB board.

[0025] There are two pressing devices arranged symmetrically left and right.

[0026] The material of the base 1 is bakelite.

[0027] The specific working principle of the present utility model is as follows:

[0028] This fixture is connected to the test bench and is also connected to the existing continuity tester. During operation, the connector A801 of the wire harness 8 is plugged into an interface of the continuity tester, and then the connector B802 is placed in the detection slot 5. When pressing the connector B802, the connector B802 touches the start switch 3, and the two rotary pressing cylinders 7 rotate 90° and press down. The pressing head presses the connector B802 tightly, so that the terminals 803 on the connector B802 are in full contact with the probes 2. The operator judges whether the terminals 803 at both ends of the wire harness 8 are conductive through the indicator light on the continuity tester. After the test is completed, press the reset switch 4, the two rotary pressing cylinders 7 rotate 90° and the pressing head moves upward, and then the wire harness 8 can be removed.

[0029] It should be noted that the continuity tester is a commonly used device for detecting electronic products such as wire harnesses, FFC cables, and liquid crystal displays. The structure and principle thereof are not specifically described herein.

[0030] The above embodiments are only for illustrating the technical concept and features of the present utility model, and the purpose is to enable those skilled in the art to understand the content of the present utility model and implement it accordingly. It is not intended to limit the protection scope of the present utility model. Any equivalent transformation or modification made according to the spirit and essence of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. A conductive test fixture for wiring harness connector terminals, characterized in that: The invention comprises a base (1), a probe (2), a start switch (3), a reset switch (4) and a clamping device; the base (1) is provided with a detection groove (5) for accommodating a joint, the probe (2) and the start switch (3) are arranged in the detection groove (5), and the probe (2) and the start switch (3) protrude from the bottom wall of the detection groove (5); the clamping device is connected to the side of the detection groove (5), and the reset switch (4) is connected to the base (1).

2. A conductive test fixture for wiring harness connector terminals as claimed in claim 1, characterized in that: A PCB board is installed in the base (1), a probe (2), a start switch (3) and a reset switch (4) are connected to the PCB board, and the PCB board is electrically connected to a continuity tester.

3. A conductive test fixture for wiring harness connector terminals as claimed in claim 2, characterized in that: The bottom of the detection slot (5) is provided with four through holes (6), a start switch (3) and three probes (2) are respectively connected to the four through holes (6), and the three probes (2) correspond to the terminals (803) on the connector.

4. A conductive test fixture for wiring harness connector terminals as claimed in claim 2, characterized in that: The pressing device is a 90° rotating downward pressing cylinder (7), a mounting groove is provided on the side of the detection groove (5), the rotating downward pressing cylinder (7) is connected to the mounting groove, and when the rotating downward pressing cylinder (7) is pressed downward, the pressure head is located above the detection groove (5).

5. A conductive test fixture for wiring harness connector terminals as claimed in claim 4, characterized in that: The rotary downward pressure cylinder (7) is connected to the solenoid valve via a pipeline, the solenoid valve is connected to the air source via a pipeline, and the solenoid valve is electrically connected to the PCB board.

6. A conductive test fixture for wiring harness connector terminals as claimed in claim 1, characterized in that: The clamping devices are two and are symmetrically arranged.

7. A conductive test fixture for wiring harness connector terminals as claimed in claim 1, characterized in that: The base (1) is made of bakelite.

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