Automobile wire harness connector for electrical debugging

By designing an automotive wiring harness connector for live testing, the problem of needing to damage the insulation layer to measure electrical signals in existing technologies has been solved, achieving non-destructive measurement and effective signal transmission, thus improving product quality.

CN224177599UActive Publication Date: 2026-04-28SHANXI TAIZHONG ENG MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANXI TAIZHONG ENG MASCH CO LTD
Filing Date
2025-04-25
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing technologies require damaging the insulation of wires to measure electrical signals when troubleshooting electrical faults, which leads to a decline in product quality.

Method used

An automotive wiring harness connector was designed, comprising a male connector housing and a female connector housing. It utilizes conductive pins and fastening pads to achieve live debugging and measurement, avoiding the need for insulation damage.

Benefits of technology

This enables live testing of the device under test, reduces wiring harness damage, ensures product quality, and guarantees effective transmission of electrical signals.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electrical systems of automobiles or engineering machinery, in particular to an automobile wire harness connector assembly for electrical debugging, which comprises a male head shell, a first groove is arranged on the male head shell, a plurality of first pins are arranged in the first groove, each first pin comprises a first pin head and a second pin head, and the first pin head and the second pin head are arranged on the male head shell. The tail end of the second pin head extends out of the male head shell, a fastening cushion block is arranged above the first contact pin, the fastening cushion block is clamped in the first groove, the male head shell is further connected with a female head shell in a matched mode, the female head shell is connected with the second contact pin in an inserted mode, and one end of the second contact pin is connected with the first pin head. According to the utility model, the wire harness does not need to be subjected to skin breaking treatment, the electrified debugging measurement of the to-be-tested piece is realized, and the product quality is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of automotive or engineering machinery electrical system technology, and in particular to an automotive wiring harness connector for electrical debugging. Background Technology

[0002] Automotive wiring harness connectors are the nodes and hubs of the vehicle's electrical system. They connect wiring harnesses, sensors, relays, and other components from different parts of the vehicle to transmit signals such as voltage and current. During factory testing, these connectors are also disconnected to check the electrical signals at the metal terminals and to troubleshoot electrical faults.

[0003] In current technology, when troubleshooting electrical faults, the connectors of the relevant wires are often unplugged, and a multimeter is used to measure the continuity of the wires. In most cases, electrical signals cannot be detected, and live measurement and debugging are not possible. When live measurement is required, the insulation layer of the wires is usually damaged to expose the internal metal core to measure the electrical signal, which reduces the quality of the product. Utility Model Content

[0004] To address this issue, this invention provides an automotive wiring harness connector for electrical testing that eliminates the need for wire harness insulation removal, enabling live testing and measurement of the device under test and ensuring product quality.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows: an automotive wiring harness connector for electrical debugging, comprising a male connector housing, a first groove on the male connector housing, a plurality of first pins installed in the first groove, each first pin including a first needle tip and a second needle tip, the end of the second needle tip extending out of the male connector housing, a fastening pad above the first pins, the fastening pad being engaged in the first groove, and a female connector housing also being fitted onto the male connector housing, a second pin being inserted into the female connector housing, one end of the second pin being connected to the first needle tip.

[0006] As a further embodiment of this utility model: a first mounting hole is provided at the bottom of the first groove, and an L-shaped slot is provided at the edge of the first groove. One end of the first needle extends into the first mounting hole, and the other end extends into the fastening pad. The second needle is placed in the L-shaped slot and extends out of the male head housing through the L-shaped slot.

[0007] As a further embodiment of this utility model: both the first pin and the second pin are conductive materials, the first needle tip and the second needle tip are arranged vertically, the other end of the first needle tip is provided with a first needle hole, and one end of the second pin is connected to the first needle tip through the first needle hole.

[0008] As a further embodiment of this utility model: a buckle hole is provided at the bottom edge of the first groove, a buckle is provided on the fastening pad, the buckle and the buckle hole are engaged, a protrusion is provided on the fastening pad, the protrusion is engaged in the L-shaped groove, a second mounting hole is provided on the fastening pad, and the other end of the first needle extends into the second mounting hole.

[0009] As a further embodiment of this utility model: a second groove is provided on the top of the female head shell, and a third mounting hole is provided at the bottom of the second groove.

[0010] As a further embodiment of this utility model: one end of the second pin is provided with a third pin tip, and the other end is provided with a second pin hole. The third pin tip is provided with a groove, and the first pin hole is provided with a spring piece. The third pin tip passes through the third mounting hole and is engaged with the first pin hole through the groove.

[0011] As a further improvement of this utility model, a fixing piece is also provided in the second groove for fixing the second pin.

[0012] As a further embodiment of this utility model: a wedge block is also installed in the second groove, the bottom of the wedge block is limited and connected to the fixing plate, and a through hole is opened on the top of the wedge block.

[0013] As a further improvement of this utility model, a sealing ring is also provided at the contact edge between the female head shell and the wedge-shaped block.

[0014] As a further improvement of this invention, the end of the second needle is provided with a cap.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. This utility model enables live debugging and measurement of the device under test by setting a second needle, without the need to break the wire harness, reducing damage to the device under test and ensuring the quality of the device under test. After debugging, the connector can be pulled out for convenient debugging operations.

[0017] 2. This utility model ensures the effective transmission of electrical signals by setting up a fastening pad. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the automotive wiring harness connector for electrical debugging according to this utility model.

[0019] Figure 2 This is an exploded structural diagram of the automotive wiring harness connector for electrical debugging according to this utility model.

[0020] Figure 3This is a schematic diagram of the male connector housing of the automotive wiring harness connector for electrical debugging according to this utility model.

[0021] Figure 4 This is a top view of the male connector housing of the automotive wiring harness connector for electrical debugging according to this utility model.

[0022] Figure 5 This is a schematic diagram of the structure of the first pin of the automotive wiring harness connector for electrical debugging according to this utility model.

[0023] Figure 6 This is a top view of the first pin of the automotive wiring harness connector for electrical debugging according to this utility model.

[0024] Figure 7 This is a schematic diagram of the fastening pad of the automotive wiring harness connector for electrical debugging according to the present invention.

[0025] Figure 8 This is a top view of the female connector housing of the automotive wiring harness connector for electrical debugging according to this utility model.

[0026] Figure 9 This is a schematic diagram of the structure of the second pin of the automotive wiring harness connector for electrical debugging according to this utility model.

[0027] In the diagram: 1. Male connector housing; 2. First groove; 3. First pin; 31. First needle tip; 32. Second needle tip; 33. First pin hole; 34. Spring piece; 4. Fastening pad; 5. Female connector housing; 6. Second pin; 61. Third needle tip; 62. Second pin hole; 63. Groove; 7. First mounting hole; 8. L-shaped slot; 9. Buckle hole; 10. Buckle; 11. Protrusion; 12. Second mounting hole; 13. Second groove; 14. Third mounting hole; 15. Fixing piece; 16. Wedge block; 17. Through hole; 18. Sealing ring; 19. Plug cap. Detailed Implementation

[0028] 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.

[0029] refer to Figures 1 to 9A connector for automotive wiring harnesses used for electrical debugging includes a male connector housing 1, a first groove 2 on the male connector housing 1, a plurality of first pins 3 installed in the first groove 2, each first pin 3 including a first needle tip 31 and a second needle tip 32, the end of the second needle tip 32 extending out of the male connector housing 1, a fastening pad 4 above the first pin 3, the fastening pad 4 being snapped into the first groove 2, a female connector housing 5 also being connected to the male connector housing 1, a second pin 6 being inserted into the female connector housing 5, one end of the second pin 6 being connected to the first needle tip 31.

[0030] The bottom of the first groove 2 is provided with a first mounting hole 7, and the edge of the first groove 2 is provided with an L-shaped groove 8. One end of the first needle 31 extends into the first mounting hole 7, and the other end extends into the fastening pad 4. The second needle 32 is placed in the L-shaped groove 8 and extends out of the male head housing 1 through the L-shaped groove 8.

[0031] Both the first pin 3 and the second pin 6 are conductive. The first needle tip 31 and the second needle tip 32 are arranged vertically. The other end of the first needle tip 31 is provided with a first needle hole 33. One end of the second pin 6 is connected to the first needle tip 31 through the first needle hole 33.

[0032] The bottom edge of the first groove 2 is also provided with a buckle hole 9, and the fastening pad 4 is provided with a buckle 10. The buckle 10 and the buckle hole 9 are engaged. The fastening pad 4 is also provided with a protrusion 11, which is engaged in the L-shaped groove 8. The fastening pad 4 is provided with a second mounting hole 12, and the other end of the first needle 31 extends into the second mounting hole 12.

[0033] The top of the female head housing 5 is provided with a second groove 13, and the bottom of the second groove 13 is provided with a third mounting hole 14.

[0034] One end of the second pin 6 is provided with a third pin head 61, and the other end is provided with a second pin hole 62. The third pin head 61 is provided with a slot 63. The first pin hole 33 is provided with a spring piece 34. The third pin head 61 passes through the third mounting hole 14 and is engaged with the first pin hole 33 through the slot 63.

[0035] The second groove 13 is also provided with a fixing piece 15 for fixing the second pin 6.

[0036] A wedge block 16 is also installed in the second groove 13. The bottom of the wedge block 16 is limited and connected to the fixing plate 15, and a through hole 17 is provided on the top of the wedge block 16.

[0037] A sealing ring 18 is also provided at the contact edge between the female head housing 5 and the wedge block 16.

[0038] The end of the second needle 32 is provided with a cap 19.

[0039] Installation process: Insert one end of the first pin 31 of the first pin 3 into the first mounting hole 7 and insert the second pin 32 into the L-shaped slot 8. Then insert the fastening pad 4 into the first pin hole 33 and make the protrusion 11 engage in the L-shaped slot 8 to fasten and seal the first pin 3. Then install the female housing 5. Next, insert the third pin 61 of the second pin 6 into the third mounting hole 14 and engage the third pin 61 into the first pin hole 33. Finally, install the wedge block 16 between the fixing pieces 15 to limit the second pin 6. When using this connector for live testing, first connect it in series between the connectors to be tested. Remove the cap 19 of the second pin 32 before testing the electrical signal on the wire harness. After the test is completed, put the cap 19 back into the second pin 32.

[0040] 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 automotive wiring harness connector for electrical debugging, comprising a male housing (1), characterized in that: The male head housing (1) has a first groove (2) and a plurality of first pins (3) are installed in the first groove (2). The first pin (3) includes a first needle (31) and a second needle (32). The end of the second needle (32) extends out of the male head housing (1). A fastening pad (4) is provided above the first pin (3). The fastening pad (4) is engaged in the first groove (2). The male head housing (1) is also connected to a female head housing (5). A second pin (6) is inserted into the female head housing (5). One end of the second pin (6) is connected to the first needle (31).

2. The automotive wiring harness connector for electrical debugging according to claim 1, characterized in that: The bottom of the first groove (2) is provided with a first mounting hole (7), and the edge of the first groove (2) is provided with an L-shaped slot (8). One end of the first needle (31) extends into the first mounting hole (7), and the other end extends into the fastening pad (4). The second needle (32) is placed in the L-shaped slot (8) and extends out of the male head housing (1) through the L-shaped slot (8).

3. The automotive wiring harness connector for electrical debugging according to claim 2, characterized in that: The first pin (3) and the second pin (6) are both conductors. The first needle (31) and the second needle (32) are arranged vertically. The other end of the first needle (31) is provided with a first needle hole (33). One end of the second pin (6) is connected to the first needle (31) through the first needle hole (33).

4. The automotive wiring harness connector for electrical debugging according to claim 3, characterized in that: The bottom edge of the first groove (2) is also provided with a buckle hole (9), and the fastening pad (4) is provided with a buckle (10). The buckle (10) and the buckle hole (9) are engaged. The fastening pad (4) is also provided with a protrusion (11). The protrusion (11) is engaged in the L-shaped slot (8). The fastening pad (4) is provided with a second mounting hole (12). The other end of the first needle (31) extends into the second mounting hole (12).

5. The automotive wiring harness connector for electrical debugging according to claim 4, characterized in that: The top of the female head housing (5) is provided with a second groove (13), and the bottom of the second groove (13) is provided with a third mounting hole (14).

6. The automotive wiring harness connector for electrical debugging according to claim 5, characterized in that: The second pin (6) has a third pin head (61) at one end and a second pin hole (62) at the other end. The third pin head (61) has a slot (63) and the first pin hole (33) has a spring piece (34) inside. The third pin head (61) passes through the third mounting hole (14) and is engaged with the first pin hole (33) through the slot (63).

7. The automotive wiring harness connector for electrical debugging according to claim 6, characterized in that: The second groove (13) is also provided with a fixing piece (15) for fixing the second pin (6).

8. The automotive wiring harness connector for electrical debugging according to claim 7, characterized in that: A wedge block (16) is also installed in the second groove (13). The bottom of the wedge block (16) is connected to the fixing plate (15) for limiting, and a through hole (17) is opened on the top of the wedge block (16).

9. The automotive wiring harness connector for electrical debugging according to claim 8, characterized in that: The female head shell (5) is also provided with a sealing ring (18) at the contact edge with the wedge block (16).

10. The automotive wiring harness connector for electrical debugging according to claim 9, characterized in that: The end of the second needle (32) is provided with a cap (19).