Automobile electromagnetic valve wire harness

Abstract

The utility model belongs to the technical field of connecting wire harnesses, and particularly relates to an automobile electromagnetic valve wire harness which comprises a plug, one end of the plug is connected with a plug handle through a first wire, the plug handle is of a multi-section structure and comprises a first part, a second part and a third part, an assembly cavity is formed in the second part, a copper needle is fixedly arranged in the assembly cavity, and the copper needle is connected with the plug through a second wire. A sealing structure used for preventing seepage and leakage is arranged between the copper needle and the assembly cavity, an inverted cone groove is formed in the assembly cavity, the copper needle is provided with an inverted cone portion which abuts against the inverted cone groove in a matched mode, and the first portion, the second portion and the third portion are connected through a staggered meshing structure. According to the automobile electromagnetic valve wire harness, the sealing performance inside the automobile electromagnetic valve wire harness is improved, external substances such as moisture and dust are effectively prevented from permeating into the wire harness, the reliability, durability and safety of the wire harness are improved, and meanwhile the overall strength and stability of the wire harness are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of connecting wire harnesses, in particular to a wiring harness for an automobile solenoid valve. Background Art

[0002] The automotive solenoid valve wiring harness mainly connects the automotive solenoid valve and the control system to achieve accurate transmission of electrical signals to control the opening and closing of the solenoid valve, regulate the flow and pressure of the fluid inside the car, and is used to transmit electrical signals and power. It is crucial to the automotive electronic control system.

[0003] The existing automotive solenoid valve wiring harness is mainly composed of the following parts: wires, connectors, terminals, fixings, etc. The working principle is: the electrical signal sent by the vehicle control system is transmitted to the solenoid valve through the solenoid valve wiring harness to achieve the purpose of controlling the solenoid valve and realize precise control.

[0004] Currently, the existing automotive solenoid valve wiring harness has the following disadvantages: the traditional automotive solenoid valve wiring harness has poor sealing performance, which easily leads to electrical failure and seriously affects the safe driving of the car; therefore, an automotive solenoid valve wiring harness is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of existing automobile solenoid valve wiring harnesses, solve the problem that traditional automobile solenoid valve wiring harnesses have poor sealing, easily lead to electrical failures, and seriously affect the safe driving of the car, an automobile solenoid valve wiring harness is proposed.

[0006] The technical solution adopted by the present invention to solve its technical problems is: the automobile solenoid valve wiring harness described in the present invention includes a plug, one end of the plug is connected to a plug handle through a first wire, a contact copper needle is provided in the plug, the contact copper needle is electrically connected to the first wire, the plug handle is a multi-section structure, the plug handle includes a first part, a second part, and a third part, an assembly cavity is provided in the second part, a copper needle is fixedly provided in the assembly cavity, a sealing structure for preventing penetration and leakage is provided between the copper needle and the assembly cavity, one end of the copper needle is electrically connected to the second wire, and the other end of the copper needle is electrically connected to the first wire.

[0007] Preferably, the sealing structure includes an assembly groove provided on the copper needle, and also includes a sealing member sleeved on the assembly groove and tightly attached to the inner wall of the assembly cavity.

[0008] Preferably, an inverted cone groove is provided in the assembly cavity, and an inverted cone portion is provided on the copper needle to cooperate with and abut against the inverted cone groove.

[0009] Preferably, the third portion is provided with a first docking groove and a first docking block, and the second portion is provided with a second docking block and a second docking groove respectively docked with the first docking groove and the first docking block.

[0010] Preferably, a third docking groove is provided on the second portion, and a third docking block for docking with the third docking groove is provided on the first portion.

[0011] Preferably, a fixing nut for fixing is provided on the plug handle.

[0012] Preferably, the first conductive wire is wrapped around a corrugated tube.

[0013] Beneficial effects of the utility model:

[0014] 1. Through the design and coordination of the structure of the utility model, the design of the multi-section plug handle provides the necessary conditions for improving the internal electrical sealing performance of the assembly cavity through the seal, thereby improving the sealing performance of the interior of the automobile solenoid valve wiring harness. It has better sealing than the integral injection molding structure, effectively preventing moisture, dust and other external substances from penetrating into the wiring harness, and improving the reliability, durability and safety of the wiring harness.

[0015] 2. The design of the inverted cone and the inverted cone groove effectively prevents the injection fluid from entering the seal and affecting the sealing performance. This design can also increase the contact area between the copper needle and the assembly cavity. When the wiring harness is subjected to vibration or external force, the stability and reliability of the connection are improved, ensuring the normal operation of the wiring harness. At the same time, its structure further improves the overall sealing of the interior, providing another "barrier" to ensure the sealing performance.

[0016] 3. Through the design and coordination of the connection structures between the first part, the second part and the third part, the cross-engagement between them greatly improves the structural strength and reliability, thereby improving the overall strength and stability of the wiring harness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 It is a cross-sectional view of the internal structure of the utility model;

[0019] Figure 2 yes Figure 1 A magnified view of the structure at point A;

[0020] Figure 3 It is a structural stereogram of the utility model;

[0021] Figure 4 This is an exploded perspective view of the structure of the plug handle of the utility model;

[0022] Legend:

[0023] 1. Plug; 01. Sealing structure; 101. Contact copper pin; 2. Connector handle; 201. First part; 202. Second part; 2021. Assembly cavity; 2022. Copper pin; 20221. Assembly groove; 20222. Inverted cone; 2023. Seal; 203. Third part; 2031. Fixing nut; 2024. Inverted cone groove; 3. First wire; 301. Bellows; 4. Second wire; 501. First docking groove; 502. First docking block; 503. Second docking block; 504. Second docking groove; 505. Third docking groove; 506. Third docking block. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 4The utility model relates to an automobile solenoid valve wiring harness, comprising a plug 1, one end of which is connected to a plug handle 2 via a first wire 3, a contact copper needle 101 being provided in the plug 1, the contact copper needle 101 being electrically connected to the first wire 3, the plug handle 2 being a multi-section structure, the plug handle 2 comprising a first portion 201, a second portion 202, and a third portion 203, the second portion 202 being provided with an assembly cavity 2021, the assembly cavity 2021 being fixed with a copper needle 201. 22, a sealing structure 01 for preventing penetration and leakage is provided between the copper needle 2022 and the assembly cavity 2021, one end of the copper needle 2022 is electrically connected to the second wire 4, and the other end of the copper needle 2022 is electrically connected to the first wire 3, the sealing structure 01 includes an assembly groove 20221 provided on the copper needle 2022, and also includes a sealing member 2023 which is sleeved on the assembly groove 20221 and closely attached to the inner wall of the assembly cavity 2021; when producing the wiring harness of the automobile solenoid valve, the worker first seals the wiring harness. The seal 2023 is mounted on the assembly groove 20221. The seal 2023 can be made of a variety of different materials and models. The utility model prefers O-rings, but other different seals 2023 can also be used according to production and processing needs, or sealant can be used to achieve the sealing purpose; the first wire 3 and the second wire 4 are respectively connected to the two ends of the copper needle 2022, and then the worker inserts the copper needle 2022 into the assembly cavity 2021 of the second part 202, and then puts the above components into the injection mold, and injection-moldes the first part 201 and the third part 203 around the two ends of the second part 202 to form a complete plug handle 2. Through the design and coordination of the above structure, the design of the multi-section plug handle 2 provides the necessary conditions for improving the internal electrical sealing performance of the assembly cavity 2021 through the seal 2023, thereby improving the sealing performance inside the automotive solenoid valve wiring harness, and having better sealing than the integral injection molding structure, effectively preventing external substances such as moisture and dust from penetrating into the interior of the wiring harness, thereby improving the reliability, durability and safety of the wiring harness.

[0027] Furthermore, an inverted cone groove 2024 is provided in the assembly cavity 2021, and an inverted cone portion 20222 is provided on the copper needle 2022 to cooperate with the inverted cone groove 2024; when the third part is cast on one side of the second part 202, in order to prevent the cast fluid from flowing into the seal 2023 and affecting the sealing performance, when the copper needle 2022 is inserted into the assembly cavity 2021, the inverted cone portion 20222 on the copper needle 2022 is abutted and tightly fitted with the inverted cone groove 2024, effectively preventing the injection fluid from entering the seal 2023, and this design can increase the contact area between the copper needle 2022 and the assembly cavity 2021, improve the stability and reliability of the connection when the wiring harness is subjected to vibration or external force, and ensure the normal operation of the wiring harness. At the same time, through the cooperation of the inverted cone portion 20222 and the inverted cone groove 2024, its structure further improves the overall sealing of the interior, providing another "barrier" to ensure the sealing performance.

[0028] Furthermore, the third part 203 is provided with a first docking groove 501 and a first docking block 502, the second part 202 is provided with a second docking block 503 and a second docking groove 504 which respectively cooperate with the first docking groove 501 and the first docking block 502, the second part 202 is provided with a third docking groove 505, and the first part 201 is provided with a third docking block 506 which cooperates with the third docking groove 505; when the first part 201 and the third part 203 are injection molded on the second part 202, the second docking block 503 is embedded in the first docking groove 501, and the first docking block 502 is embedded in the second docking groove 504, and the two structures cross-engage with each other, which greatly improves the structural strength of the third part 203 and the second part 202, and the third docking block 506 is embedded in the third docking groove 505, further ensuring the fixing strength and structural reliability between the first part 201 and the second part 202. This design enables different parts of the plug handle 2 to be firmly connected together, thereby improving the overall strength and stability of the wiring harness.

[0029] Furthermore, a fixing nut 2031 for fixing is provided on the plug handle 2; the fixing nut 2031 is used to fix the plug handle 2 on the automobile solenoid valve.

[0030] Furthermore, a corrugated tube 301 is provided around the circumference of the first wire 3; the corrugated tube has good flexibility and wear resistance, and can protect the first wire 3 from damage by external factors. During the driving of the car, the first wire may be subjected to external forces such as friction and extrusion. The corrugated tube can effectively protect the wire, extend the service life of the wire, and increase the flexibility and bendability of the first wire 3.

[0031] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0032] 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 to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A wiring harness for an automobile solenoid valve, comprising a plug (1), characterized in that: One end of the plug (1) is connected to the plug handle (2) via a first wire (3); a contact copper needle (101) is provided in the plug (1); the contact copper needle (101) is electrically connected to the first wire (3); the plug handle (2) is a multi-section structure; the plug handle (2) comprises a first portion (201), a second portion (202), and a third portion (203); an assembly cavity (2021) is provided in the second portion (202); a copper needle (2022) is fixedly provided in the assembly cavity (2021); a sealing structure (01) for preventing penetration and leakage is provided between the copper needle (2022) and the assembly cavity (2021); one end of the copper needle (2022) is electrically connected to the second wire (4), and the other end of the copper needle (2022) is electrically connected to the first wire (3).

2. The automotive solenoid valve wiring harness according to claim 1, characterized in that: The sealing structure (01) comprises an assembly groove (20221) provided on the copper needle (2022), and also comprises a sealing member (2023) sleeved on the assembly groove (20221) and tightly attached to the inner wall of the assembly cavity (2021).

3. The automotive solenoid valve wiring harness according to claim 1, characterized in that: An inverted cone groove (2024) is provided in the assembly cavity (2021), and an inverted cone portion (20222) is provided on the copper needle (2022) for cooperating and abutting against the inverted cone groove (2024).

4. The automotive solenoid valve wiring harness according to claim 1, characterized in that: The third portion (203) is provided with a first docking groove (501) and a first docking block (502), and the second portion (202) is provided with a second docking block (503) and a second docking groove (504) which respectively dock with the first docking groove (501) and the first docking block (502).

5. The automotive solenoid valve wiring harness according to claim 1, characterized in that: The second portion (202) is provided with a third docking groove (505), and the first portion (201) is provided with a third docking block (506) that cooperates with the third docking groove (505).

6. The automotive solenoid valve wiring harness according to claim 1, characterized in that: The plug handle (2) is provided with a fixing nut (2031) for fixing.

7. The automotive solenoid valve wiring harness according to claim 1, characterized in that: The first conductive wire (3) is wrapped around a corrugated tube (301).

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