Vehicle lamp wire harness conduction test tool

Abstract

The utility model discloses an automobile lamp wire harness conduction test tool, which comprises an engineering substrate and a flat cable assembly, the flat cable assembly comprises a fixed plugging block arranged on the surface of the engineering substrate, a clamping groove with two open ends is arranged in the fixed plugging block, and an automobile lamp wire harness is plugged in the clamping groove in the fixed plugging block through the openings at the two ends. And a locking block for preventing the outer sheath of the automobile lamp wire harness from falling off is arranged on the fixed insertion block. One-to-one corresponding spring probe fixing point positions are designed in the fixed plugging block according to terminals in a wire harness sheath, so that each to-be-tested point position of the wire harness can independently correspond, and a locking block is designed on the fixed plugging module, so that the wire harness sheath is prevented from being pulled out of the fixed plugging block when being pulled by external force along with a wire during testing, and the wire harness sheath is prevented from being damaged. And the locking block and the fixed plugging block are fixed through a self-tapping screw, so that the conduction test operation of the lamp wire harness can be carried out more quickly, effectively, accurately, comprehensively and smoothly.

Description

Technical Field

[0001] The utility model specifically relates to a vehicle lamp harness continuity testing tool. Background Art

[0002] At present, cars have entered thousands of households as a convenient means of transportation. The annual car sales and production are also increasing. The use of lighting wiring harnesses that are matched with cars is also increasing accordingly.

[0003] When the automotive lamp wiring harness is led out from the inside of the automotive lamp, it needs to be sealed. After assembly, it is not convenient to disassemble. If there is a problem with the lamp wiring harness, the repair cost is high compared to the cost of the wiring harness, and the labor is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide a vehicle light harness continuity test tool to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a vehicle lamp wiring harness continuity test tool, comprising an engineering substrate and a wiring assembly, the wiring assembly comprising a fixed plug-in block arranged on the surface of the engineering substrate, a card slot with open ends being provided inside the fixed plug-in block, the automobile lamp wiring harness is plugged into the card slot inside the fixed plug-in block through the openings at both ends, and a locking block is provided on the fixed plug-in block to prevent the outer sheath of the automobile lamp wiring harness from falling off.

[0006] Preferably, a spring probe is provided in the fixed plug-in block, and a spring needle sleeve is provided at the tail of the spring probe.

[0007] Preferably, a wire is welded to the tail of the spring needle sleeve.

[0008] Preferably, self-tapping screws are provided on both sides of the surface of the locking block, and the self-tapping screws pass through the locking block and extend into the fixed plug-in block.

[0009] Preferably, support feet are installed at the four corners of the lower surface of the engineering substrate.

[0010] Preferably, the end of the wire away from the spring needle sleeve is connected to a connector.

[0011] The technical effects and advantages of the present invention are as follows: the vehicle light harness conduction test tool is designed with two fixed plug-in blocks that can be plugged into the lamp harness sheath and the test points correspond one to one. By relying on the corresponding shape of the card slot and the locking block, the corresponding sheath of the wiring harness is locked to the specified position in the correct direction, and then the wiring harness is subjected to a conduction test operation. In the fixed plug-in block, corresponding spring probe fixing points are designed according to the terminals in the wiring harness sheath, so that each test point of the wiring harness can be individually corresponded. A locking block is designed on the fixed plug-in module to prevent the wiring harness sheath from being pulled out of the fixed plug-in block when it is pulled by external force along with the wire during the test. The locking block and the fixed plug-in block are fixed with self-tapping screws, so that the conduction test operation of the lamp harness can be carried out more quickly, effectively, accurately and comprehensively. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic structural diagram of the support foot of the utility model;

[0014] Figure 3 This is a schematic structural diagram of the first embodiment of the present utility model;

[0015] Figure 4 This is a schematic structural diagram of the second embodiment of the present utility model.

[0016] In the figure: 1. Engineering base plate; 2. Fixed plug-in block; 3. Card slot; 4. Locking block; 5. Spring probe; 6. Spring needle sleeve; 7. Automatic screw; 8. Support foot. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0018] In order to improve the speed of the continuity test of the lamp harness, refer to Figure 1 、 Figure 2 and Figure 3As shown, it includes an engineering substrate 1 and a cable assembly, the cable assembly includes a fixed plug-in block 2 arranged on the surface of the engineering substrate 1, the fixed plug-in block 2 is provided with a card slot 3 with two ends being open, the automobile lamp harness is plugged into the card slot 3 in the fixed plug-in block 2 through the openings at both ends, the fixed plug-in block 2 is provided with a locking block 4 to prevent the outer sheath of the automobile lamp harness from falling off, and two fixed plug-in blocks 2 are designed that can be plugged into the lamp harness sheath and the test points correspond one to one. The shaped card slot 3 and the locking block 4 are used to lock the corresponding sheath of the wiring harness to the specified position in the correct direction, and then the wiring harness is subjected to a continuity test. In the fixed plug-in block 2, a one-to-one corresponding spring probe 5 fixed point is designed according to the terminal in the wiring harness sheath, so that each test point of the wiring harness can be individually corresponded. A locking block 4 is designed on the fixed plug-in module to prevent the wiring harness sheath from being pulled out of the fixed plug-in block 2 when the wire is pulled by external force during the test. The locking block 4 is fixed to the fixed plug-in block 2 with a self-tapping screw 7.

[0019] refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, a spring probe 5 is installed within the fixed plug-in block 2. A spring pin sleeve 6 is attached to the end of the spring probe 5, with a wire welded to the end of the spring pin sleeve 6. Self-tapping screws 7 are installed on both sides of the locking block 4, extending through the locking block 4 and into the fixed plug-in block 2. Support legs 8 are installed at the four corners of the lower surface of the engineering substrate 1. The ends of the wires facing away from the spring pin sleeves 6 are connected to connectors. The completed cable assembly is secured to the engineering substrate 1. A support leg 8 is installed at each of the four corners of the back surface of the engineering substrate 1 to enhance the stability of the engineering substrate 1 during testing. A locking block 4 is added to the fixed plug-in block 2 to prevent the sheath from falling out of the fixed plug-in block 2. Two self-tapping screws 7 are used to secure the locking block 4 to the fixed plug-in block 2. A spring probe 5 of an appropriate model (ensuring good contact between the terminal and the probe) is installed with the corresponding spring pin sleeve 6 within the fixed plug-in block 2. The wires are welded to the ends of the spring pin sleeves 6. Install the connector (not shown in the figure) on the mounting socket of the conductivity tester, debug the conductivity tester, debug the test program, and then test the wiring harness of the lamp to be tested. Two plug-in modules are designed that can be plugged into the wiring harness sheath of the lamp and have one-to-one corresponding test points (including Figure 4 In the second embodiment, the wiring harness is locked to the designated position in the correct direction by means of the corresponding shape of the card slot 3 and the locking block 4, and then the wiring harness is subjected to a continuity test.

[0020] When in use, use two self-tapping screws 7 to fix the locking block 4 to the surface of the fixed plug-in block 2, so that the locking block 4 prevents the sheath from falling off from the fixed plug-in block 2, select an appropriate type of spring probe 5 and a matching spring needle sleeve 6 to install in the fixed plug-in block 2, weld the wire to the tail of the spring needle sleeve 6 one by one, install the connector at the mounting socket of the conductivity tester, debug the conductivity tester, debug the test program, and then you can test the wiring harness of the lamp to be tested.

[0021] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention.

Claims

1. A vehicle light harness continuity test tool, characterized in that: The utility model comprises an engineering substrate (1) and a wiring assembly, wherein the wiring assembly comprises a fixed plug-in block (2) arranged on the surface of the engineering substrate (1), a card slot (3) with openings at both ends is provided inside the fixed plug-in block (2), and the automobile lamp wiring harness is plugged into the card slot (3) in the fixed plug-in block (2) through the openings at both ends, and a locking block (4) is provided on the fixed plug-in block (2) for preventing the outer sheath of the automobile lamp wiring harness from falling off.

2. The vehicle light harness continuity test fixture according to claim 1, characterized in that: A spring probe (5) is provided in the fixed plug-in block (2), and a spring needle sleeve (6) is provided at the tail of the spring probe (5).

3. The vehicle light harness continuity test fixture according to claim 2, characterized in that: A wire is welded to the tail of the spring needle sleeve (6).

4. The vehicle light harness continuity test fixture according to claim 1, characterized in that: Self-tapping screws (7) are provided on both sides of the surface of the locking block (4), and the self-tapping screws (7) pass through the locking block (4) and extend into the fixed plug-in block (2).

5. The vehicle light harness continuity test fixture according to claim 1, characterized in that: Support feet (8) are installed at the four corners of the lower surface of the engineering substrate (1).

6. The vehicle light harness continuity test fixture according to claim 3, characterized in that: The end of the wire away from the spring needle sleeve (6) is connected to a connector.

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