Engine wire harness connector

Abstract

The utility model belongs to the technical field of electrical connection, and particularly relates to an engine wire harness connector, which comprises a connector body, a buckle used for fixing the connector body on a socket, and a sealing ring sleeved on the peripheral side of the connector body and used for being sealed with the socket, the copper needle assembly comprises at least two copper needle bodies and a wire electrically connected with the rear ends of the copper needle bodies, and further comprises a sealing piece used for sealing the copper needle assembly, and the connecting structure of the copper needle bodies and the wire comprises a first fixing lug used for fixing a conductor of the wire and a second fixing lug used for fixing the wire. The sealing performance of the copper needle assembly in the connector is ensured, the waterproof and dustproof grade of the connector and the reliability of electrical connection are improved, the fixing reliability between the wire and the copper needle body is effectively ensured through the design cooperation of the first fixing lug and the second fixing lug, and then the reliability and safety of electrical connection are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical connection, and specifically relates to an engine wire harness connector. Background Art

[0002] Engine wire harness connectors are key components of automotive electrical systems, used to connect engine wire harnesses with electronic devices such as sensors and controllers, ensuring the transmission of power, control signals, and data between the engine and these devices. These connectors feature high reliability, safety, and flexibility, capable of meeting the requirements of different vehicle models and engine models.

[0003] Existing engine wire harness connectors mainly consist of terminals, housings, locking parts, etc. Their working principle is that after the plug is inserted into the socket, electrical connection is achieved through the terminals, and the locking part ensures stable connection. In short, the connector ensures communication and functionality between the engine and electronic devices through tight fitting and electrical connection.

[0004] Currently, the following drawbacks exist in engine wire harness connectors in the prior art: Engine wire harness connectors in the prior art often have insufficient sealing. The terminals and wires are directly wrapped in the housing without a sealing structure, and water or contaminants can easily enter the terminals from the outside through the wires. Being eroded by external contaminants such as water and dust can lead to electrical connection failure. Moreover, the connection structure between the terminals and wires is prone to loosening or detachment of the wires from the copper pin connection under vibration or external force, greatly affecting the reliability and safety of electrical connection. Therefore, an engine wire harness connector is proposed to address the above problems. Summary of the Utility Model

[0005] In order to make up for the deficiencies of existing engine wire harness connectors, and to solve the problems that existing engine wire harness connectors in the prior art often have insufficient sealing, water or contaminants can easily enter the terminals through the wires, being eroded by external contaminants such as water and dust leads to electrical connection failure, and the connection structure between the terminals and wires is prone to loosening or detachment of the wires from the copper pin connection under vibration or external force, greatly affecting the reliability and safety of electrical connection, an engine wire harness connector is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: The engine wire harness connector described in the utility model includes a connector body, a buckle for fixing the connector body on the socket, and a sealing ring sleeved on the periphery of the connector body for sealing with the socket. A copper pin assembly is arranged inside the connector body. The copper pin assembly includes at least two copper pin bodies and wires electrically connected to the rear ends thereof, and further includes a sealing member for sealing the copper pin assembly.

[0007] Preferably, the seal is a gasket sleeved on the copper pin body.

[0008] Preferably, the seal is a first positioning member wrapped around the copper pin body and a first heat shrinkable tube sleeved on the copper pin body.

[0009] Preferably, a first positioning groove is formed in the first positioning member.

[0010] Preferably, the first heat shrinkable tube is replaced with a rubber pad and a fixing member.

[0011] Preferably, a clamping block is arranged on the fixing member, and a clamping groove matched with the clamping block is formed in the copper pin body.

[0012] Preferably, the seal is a second positioning member wrapped around the copper pin body. A second heat shrinkable tube is arranged below the second positioning member and sleeved on the connection position of the copper pin body and the wire. A second positioning groove is formed in the second positioning member.

[0013] Preferably, one end of the connector body is a slot. One end of the copper pin body extends into the slot. An assembly groove is arranged on one side of the slot. The gasket is arranged in the assembly groove.

[0014] Preferably, a positioning hole is formed in the copper pin body.

[0015] Preferably, the connection structure between the copper pin body and the wire includes a first fixing ear for fixing the wire conductor and a second fixing ear for fixing the wire.

[0016] Advantages of the present utility model:

[0017] 1. Through the cooperation of the seal structure, the sealing performance of the inside of the connector, especially the copper pin assembly, is ensured, effectively preventing external pollutants such as water and dust from entering the connection end of the copper pin body and the socket, and improving the waterproof and dustproof grade of the connector and the reliability of the electrical connection;

[0018] 2. Moreover, the present utility model provides multiple seal combination schemes, which can be flexibly selected according to specific application scenarios and requirements, increasing the flexibility and adaptability of the design;

[0019] 3. Through the design cooperation of the first fixing ear and the second fixing ear, the fixing reliability between the wire and the copper pin body is effectively guaranteed, thereby improving the reliability and safety of the electrical connection. Description of the Drawings

[0020] The drawings described herein are used to provide a further understanding of the present utility model, and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0021] Figure 1 is a three-dimensional view of an engine wiring harness connector;

[0022] Figure 2 is a structural diagram of the copper pin body, wire, and seal in the first embodiment;

[0023] Figure 3 is an overall cross-sectional view of the first embodiment;

[0024] Figure 4 is a structural diagram of the copper pin body, wire, and seal in the second embodiment;

[0025] Figure 5 is an overall cross-sectional view of the second embodiment;

[0026] Figure 6 is a structural diagram of the copper pin body, wire, and seal in the third embodiment;

[0027] Figure 7 is an overall cross-sectional view of the third embodiment;

[0028] Figure 8 is a structural diagram of the copper pin body, wire, and seal in the fourth embodiment;

[0029] Legend:

[0030] 1. Connector body; 101. Slot; 102. Assembly groove; 2. Buckle; 3. Sealing ring; 4. Copper pin assembly; 401. Copper pin body; 4011. Positioning hole; 4012. Card slot; 402. Wire; 403. Sealing gasket; 404. First positioning member; 4041. First positioning groove; 405. First heat shrinkable tube; 406. Rubber pad; 407. Fixing member; 4071. Block; 408. Second positioning member; 4081. Second positioning groove; 409. Second heat shrinkable tube; 4013. First fixing ear; 4014. Second fixing ear. Detailed implementation mode

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0032] The following gives specific embodiments.

[0033] Embodiment 1:

[0034] Please refer to Figures 1 - 3, a wire harness connector for an engine of the present utility model includes a connector body 1, a buckle 2 for fixing the connector body 1 on a socket, and a sealing ring 3 sleeved on the periphery of the connector body 1 for sealing with the socket. A copper pin assembly 4 is arranged in the connector body 1. The copper pin assembly 4 includes at least two copper pin bodies 401 and wires 402 electrically connected to the rear ends thereof. It further includes a sealing member for sealing the copper pin assembly 4. The sealing member is a sealing gasket 403 sleeved on the copper pin body 401. One end of the connector body 1 is a slot 101. One end of the copper pin body 401 extends into the slot 101. An assembly groove 102 is arranged on one side of the slot 101. The sealing gasket 403 is arranged in the assembly groove 102. A positioning hole 4011 is formed on the copper pin body 401. The connection structure between the copper pin body 401 and the wire 402 includes a first fixing ear 4013 for fixing the conductor of the wire 402 and a second fixing ear 4014 for fixing the wire 402. First, when producing the wire harness connector for the engine, the copper pin body 401 and the wire 402 need to be connected. When the two are fixed, the first fixing ear 4013 and the second fixing ear 4014 are in an open state. One end of the wire 402 with the exposed conductor part is placed between the two first fixing ears 4013. Through an external tool, the first fixing ear 4013 is bent to squeeze the exposed conductor of the wire 402 so that it is fixed and conducted with the copper pin body 401. Then the second fixing ear 4014 is bent to squeeze and fix the part of the wire 402 with the outer shell, further ensuring that the fixed state of the wire 402 and the copper pin body 401 is more firm and reliable, improving the reliability and safety of the connection. Then the connected copper pin body 401 and wire 402 are placed in an external injection mold. There is a positioning part in the injection mold that inserts into the positioning hole 4011 on the copper pin body 401 to prevent its position from shifting during the injection process. Then, through the operation of the external injection mold, the connector body 1 is injection-molded and wrapped on the copper pin assembly 4. Then the sealing gasket 403 is sleeved on the two copper pin bodies 401, and the sealing gasket 403 is embedded into the assembly groove 102 on the connector body 1. And the volume of the sealing gasket 403 is larger than that of the assembly groove 102, so that it is fixed more firmly in the assembly groove 102. Through the cooperation of the above structures, the sealing performance inside the connector body 1, especially the copper pin assembly 4, is ensured, effectively preventing external pollutants such as water and dust from entering the connection end between the copper pin body 401 and the socket, improving the waterproof and dustproof grade of the connector and the reliability of the electrical connection. And through the design and cooperation of the first fixing ear 4013 and the second fixing ear 4014, the fixed reliability between the wire 402 and the copper pin body 401 is effectively guaranteed, thereby improving the reliability and safety of the electrical connection.

[0035] Embodiment 2:

[0036] Please refer to Figure 1 、Figure 4 , Figure 5 , the seal is a first positioning member 404 wrapped around the copper pin body 401 and a first heat shrinkable tube 405 sleeved on the copper pin body 401. A first positioning groove 4041 is formed on the first positioning member 404. On the basis of Embodiment 1, according to different production requirements, the seal can be replaced by the first positioning member 404 and the first heat shrinkable tube 405. The principle is as follows: The two connected copper pin bodies 401 and the wires 402 are placed into an external injection mold to inject and wrap the first positioning member 404 at the connection of the two groups of copper pin bodies 401 and the wires 402. Then, the first heat shrinkable tube 405 coated with sealant is sleeved on the copper pin body 401, and then the first heat shrinkable tube 405 is shrunk by heating to closely fit with the copper pin body 401. Thus, the assembly of the copper pin assembly 4 is completed. Then, the copper pin assembly 4 is placed on the external injection mold. The first positioning groove 4041 is used to fix the position of the copper pin assembly 4 in the injection mold to prevent it from shifting. Then, through the operation of the external injection mold, the connector body 1 is injection-molded and wrapped on the copper pin assembly 4. Thus, the production of the engine harness connector can be completed.

[0037] Embodiment 3:

[0038] Please refer to Figure 1 , Figure 6 , Figure 7 , the first heat shrinkable tube 405 is replaced by a rubber pad 406 and a fixing member 407. A clamping block 4071 is provided on the fixing member 407, and a clamping groove 4012 cooperating with the clamping block 4071 is formed on the copper pin body 401. On the basis of Embodiment 1, according to different production requirements, the seal can be replaced by the first positioning member 404, the rubber pad 406 and the fixing member 407. The principle is as follows: The steps of assembling the first positioning member 404 on the copper pin body 401 and the wire 402 are the same as those in Embodiment 2 and will not be elaborated here. The rubber pad 406 is sleeved on the two copper pin bodies 401 and abuts against the first positioning member 404. Then, the fixing member 407 is sleeved at the two copper pin bodies 401, and one side of the fixing member 407 abuts against the rubber pad 406, and the clamping block 4071 is inserted into the clamping groove 4012 formed on the copper pin body 401, which can better fix the rubber pad 406 and further improve the sealing performance.

[0039] Embodiment 4:

[0040] Please refer to Figure 1 , Figure 8, the seal is a second positioning member 408 wrapped around the copper pin body 401. Below the second positioning member 408 and sleeved on the connection position of the copper pin body 401 and the wire 402, there is a second heat shrinkable tube 409. A second positioning groove 4081 is formed on the second positioning member 408. On the basis of Embodiment 1, according to different production requirements, the seal can be replaced with the second positioning member 408 and the second heat shrinkable tube 409. The principle is as follows: According to the different structures of the connector body 1, the seal in Embodiment 4 is adopted. The connection method between the copper pin body 401 and the wire 402 is the same as that in Embodiment 1 and will not be elaborated here. The second heat shrinkable tube 409 with sealant smeared on its inner wall is sleeved on the fixed connection position of the copper pin body 401 and the wire 402, and then the second heat shrinkable tube 409 is shrunk by heating to make it closely fit with the copper pin body 401 and the wire 402. Then, the connected copper pin body 401 and wire 402 are placed into an external injection mold, and the second positioning member 408 is injection molded and wrapped around two groups of copper pin bodies 401. Then, the assembled copper pin assembly 4 is placed into an external injection mold. There are positioning components in the injection mold inserted into the second positioning groove 4081 on the second positioning member 408 to prevent its position from shifting during the injection process. Then, through the operation of the external injection mold, the connector body 1 is injection molded and wrapped around the copper pin assembly 4, and the production of the engine harness connector can be completed.

[0041] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. An engine wiring harness connector, comprising a connector body (1), a buckle (2) for fixing the connector body (1) on a socket, and a sealing ring (3) sleeved on the periphery of the connector body (1) for sealing with the socket, characterized in that: A copper pin assembly (4) is provided inside the connector body (1). The copper pin assembly (4) includes at least two copper pin bodies (401) and wires (402) electrically connected to the rear ends thereof, and further includes a seal for sealing the copper pin assembly (4).

2. The engine wiring harness connector according to claim 1, characterized in that: The seal is a gasket (403) sleeved on the copper pin body (401).

3. The engine wiring harness connector according to claim 1, wherein: The seal is a first positioning member (404) wrapped around the copper pin body (401) and a first heat shrinkable tube (405) sleeved on the copper pin body (401).

4. The engine wiring harness connector according to claim 3, characterized in that: A first positioning groove (4041) is formed in the first positioning member (404).

5. The engine wiring harness connector according to claim 3, wherein: The first heat shrinkable tube (405) is replaced with a rubber pad (406) and a fixing member (407).

6. The engine wiring harness connector according to claim 5, wherein: A clamping block (4071) is provided on the fixing member (407), and a clamping groove (4012) cooperating with the clamping block (4071) is formed in the copper pin body (401).

7. The engine harness connector according to claim 1, wherein: The seal is a second positioning member (408) wrapped around the copper pin body (401). A second heat shrinkable tube (409) is provided below the second positioning member (408) and sleeved on the connection position of the copper pin body (401) and the wire (402). A second positioning groove (4081) is formed in the second positioning member (408).

8. The engine wiring harness connector according to claim 2, wherein: One end of the connector body (1) is a slot (101). One end of the copper pin body (401) extends into the slot (101). An assembly groove (102) is provided on one side of the slot (101). The gasket (403) is arranged in the assembly groove (102).

9. The engine wiring harness connector according to claim 1, wherein: A positioning hole (4011) is formed in the copper pin body (401).

10. A kind of engine wiring harness connector according to claim 1, characterized in that: The connection structure between the copper pin body (401) and the wire (402) includes a first fixing ear (4013) for fixing the conductor of the wire (402) and a second fixing ear (4014) for fixing the wire (402).

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