A wiring harness connection structure
Patent Information
- Application Number
- CN202522609489.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-09
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-12-09
AI Technical Summary
解决传统线束连接中存在的连接灵活性差、绝缘防护不足、结构复杂或安装不便等问题
本实用新型提供了一种线束连接结构,与现有技术相比较,通过一个中心导电管,将一个直通式连接端子和一个折弯式连接端子集成在一起,并配有完善的绝缘防护结构。解决传统线束连接中存在的连接灵活性差、绝缘防护不足、结构复杂或安装不便等问题。
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Figure CN224908583U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wire harness connector technology, and specifically to a wire harness connection structure. Background Technology
[0002] With the development of technology, especially in fields such as automotive electronics, smart homes, industrial automation, and new energy, unprecedentedly high requirements have been placed on wiring harness connections, and the drawbacks of traditional methods are becoming increasingly apparent. Pain point 1: Increasingly stringent space constraints.
[0003] Background: In modern equipment (such as automobiles, drones, and precision instruments), space is extremely limited and component density is very high.
[0004] The dilemma of traditional methods: Using a combination of "straight connectors + wires + elbow connectors" will occupy a lot of valuable three-dimensional space, making the wiring design extremely complex and crowded.
[0005] Pain Point 2: Assembly efficiency and cost pressure.
[0006] Background: Automated production and mass manufacturing require assembly processes to be as simple and fast as possible in order to reduce labor costs and error rates.
[0007] The dilemma of traditional methods: The large number of parts—two connectors plus a wire—means more procurement, management, and assembly steps.
[0008] The assembly process is complex: it requires two connector crimping / soldering processes, plus the wiring and fixing of the intermediate wires, resulting in low efficiency.
[0009] High reliance on manual labor: Using heat shrink tubing or tape for insulation wrapping is slow and makes it difficult to guarantee consistent quality.
[0010] Pain Point 3: Increased requirements for reliability and durability.
[0011] Background: Automobiles need to withstand vibration and temperature changes for up to ten years; industrial equipment needs to operate 24 / 7; medical equipment has extremely high requirements for connection reliability.
[0012] The dilemma of traditional methods: Increased connection points: Each additional connection point adds a potential point of failure (loosening, oxidation, poor contact).
[0013] Insufficient protection level: Tape and ordinary heat shrink tubing are prone to aging and cracking under harsh environments such as long-term vibration, high humidity, and oil contamination, leading to insulation failure and short circuit risk.
[0014] Mechanical stress concentration: The wire between two independent connectors is prone to breakage due to repeated bending during vibration.
[0015] Pain Point 4: Convenience of maintenance and repair.
[0016] Background: Modular design is a trend in modern manufacturing, requiring faulty parts to be quickly identified and replaced.
[0017] The dilemma of traditional methods: Once a fault occurs in a complex wiring harness combination, troubleshooting is difficult and replacement is relatively cumbersome, increasing downtime and maintenance costs. Summary of the Invention
[0018] This invention primarily addresses the shortcomings of existing technologies by providing a wire harness connection structure. This structure integrates a straight-through connection terminal and a bent-type connection terminal through a central conductive tube, and is equipped with a comprehensive insulation protection structure. This solves the problems of poor connection flexibility, insufficient insulation protection, complex structure, or inconvenient installation inherent in traditional wire harness connections.
[0019] The above-mentioned technical problems of this utility model are mainly solved by the following technical solutions: A wire harness connection structure includes a conductive tube. One end of the conductive tube has a straight connection terminal that is sleeved and connected to the conductive tube. An insulating protective tube is nested on the conductive tube. The other end of the conductive tube has a bent connection terminal that is nested with the insulating protective tube and is electrically connected to the conductive tube. The straight connection terminal includes a straight head integrated with the conductive tube, and the straight head has a connection sleeve I nested with the straight head and the conductive tube.
[0020] Preferably, the bending connection terminal includes a bending joint that is nested and fixed with the conductive tube, and a connecting sleeve II is provided between the bending joint and the insulating protective tube, which is nested and fixed with the insulating protective tube and the bending joint.
[0021] Preferably, both the straight connector and the bent connector are provided with winding holes.
[0022] Preferably, the inner wall of the bent joint, which is nested with the conductive tube, is provided with a friction-enhancing groove.
[0023] Preferably, the insulating protective tube, connecting sleeve I, and connecting sleeve II are all made of insulating rubber.
[0024] This invention can achieve the following effects: This invention provides a wire harness connection structure that, compared with existing technologies, integrates a straight-through connection terminal and a bent-type connection terminal together through a central conductive tube, and is equipped with a complete insulation protection structure. This solves the problems of poor connection flexibility, insufficient insulation protection, complex structure, or inconvenient installation found in traditional wire harness connections.
[0025] Integration and versatility: Integrating a straight-through interface and a bendable interface into a compact structure, it is particularly suitable for scenarios with limited space and complex wiring. One component solves the needs of two connection points, reducing the number of parts and simplifying the assembly process.
[0026] High reliability design: Reliable electrical connection: The conductive parts adopt an integrated design with low contact resistance.
[0027] Reliable mechanical connection: The bending joint adopts a friction-enhancing groove design to prevent loosening.
[0028] Reliable insulation protection: Rubber sleeves are used for segmented, all-round sealing protection.
[0029] Modularity and flexibility: The bendable terminals, as replaceable modules, facilitate product serialization. Variations with different bending angles and connection methods can be developed based on the same conductive tube, allowing for rapid response to market demands.
[0030] Ease of installation: The design of the winding hole and the nested assembly method make on-site installation and wiring operations simple and efficient. Attached Figure Description
[0031] Figure 1 This is a schematic diagram of the structure of this utility model.
[0032] Figure 2 This is a structural cross-sectional view of the present invention.
[0033] In the diagram: 1. Insulating protective tube; 2. Conductive tube; 3. Straight connection terminal; 4. Bending connection terminal; 5. Connecting sleeve I; 6. Straight head; 7. Connecting sleeve II; 8. Winding hole; 9. Bending joint. Detailed Implementation
[0034] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.
[0035] Example: Figure 1 and Figure 2As shown, a wire harness connection structure includes a conductive tube 2. One end of the conductive tube 2 is provided with a straight connection terminal 3 that is sleeved and connected to the conductive tube 2. The straight connection terminal 3 includes a direct head 6 integrated with the conductive tube 2. The direct head 6 is provided with a connecting sleeve I5 nested with the direct head 6 and the conductive tube 2. An insulating protective tube 1 nested with the conductive tube 2 is provided on the conductive tube 2. The other end of the conductive tube 2 is provided with a bent connection terminal 4 nested with the insulating protective tube 1 and electrically connected to the conductive tube 2. The bent connection terminal 4 includes a bent joint 9 nested and fixedly connected to the conductive tube 2. Both the direct head 6 and the bent joint 9 are provided with winding holes 8. The inner wall of the bent joint 9, which is nested and connected to the conductive tube 2, is provided with a friction-enhancing groove. A connecting sleeve II7 nested and fixedly connected between the bent joint 9 and the insulating protective tube 1. The insulating protective tube 1, connecting sleeve I5, and connecting sleeve II7 are all made of insulating rubber.
[0036] I. Components of the conductive core module: conductive tube 2, straight connector 6, bending connector 9.
[0037] Function: Forms the current path for the entire structure.
[0038] Key design points: Integrated design: The direct connector 6 and the conductive tube 2 are integrated, formed by metal stamping, casting, or machining. Its biggest advantage is a stable connection, extremely low contact resistance, and excellent conductivity, avoiding the unreliability caused by splicing.
[0039] Modular design: The bending connector 9 and the conductive tube 2 are nested together. This design allows for the installation of bending connectors with different angles (such as 90 degrees, 45 degrees) or different interface types on the same base conductive tube, enhancing the product's versatility and flexibility.
[0040] Friction-increasing groove: Located on the inner wall of the bending joint 9, it is used to increase the friction between it and the conductive tube 2, prevent loosening due to vibration or external force, and ensure the reliability of long-term connection.
[0041] II. Components of the cable connection module: winding hole 8.
[0042] Function: Provides an interface for securing and connecting wire harnesses and connectors.
[0043] Key design features: Both the straight connector 6 and the bent connector 9 are equipped with winding holes 8, allowing for easy wiring at both ends.
[0044] The design of this hole provides multiple wiring possibilities: it can be soldered (inserting the wire into the hole for soldering), crimped (crimping with a terminal), or bolted (passing through the hole and locking with a nut), which greatly improves the product's applicability and ease of installation.
[0045] III. Components of the insulation and protection module: Insulation protection tube 1, connecting sleeve I 5, connecting sleeve II 7.
[0046] Function: To wrap conductive parts, prevent electric shock and short circuits, and provide protection against abrasion, water and dust.
[0047] The key design feature is three layers of protection: the insulating protective tube 1 is the main protection, covering the entire conductive tube 2.
[0048] Connecting sleeve I5 is used to seal and reinforce the connection between the direct head 6 and the insulating protective tube 1.
[0049] Connecting sleeve II7 is used to seal and reinforce the connection between the bent joint 9 and the insulating protective tube 1.
[0050] This segmented socket design ensures that every connection point and transition area is adequately insulated, resulting in a very tight structure.
[0051] IV. Components for material selection: Insulating protective tube 1, connecting sleeve I 5, connecting sleeve II 7.
[0052] Material: Insulating rubber.
[0053] Key advantages: High elasticity and flexibility: easy to fit and disassemble during installation, and can fit tightly to internal metal parts to form an excellent sealing effect.
[0054] Excellent insulation: ensures electrical safety.
[0055] Wear and weather resistance: It can be used for a long time in complex environments (such as the high temperature and vibration of the car engine compartment), providing reliable physical protection.
[0056] In summary, this wire harness connection structure integrates a straight-through connection terminal and a bent-type connection terminal together through a central conductive tube, and is equipped with a comprehensive insulation protection structure. It solves the problems of poor connection flexibility, insufficient insulation protection, complex structure, or inconvenient installation inherent in traditional wire harness connections.
[0057] It will be apparent to those skilled in the art that this invention is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the essential characteristics of the invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0058] In summary, the above description is only a specific embodiment of the present utility model, but the structural features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.
Claims
1. A wire harness connection structure, characterized in that: The device includes a conductive tube (2), one end of which is provided with a direct connection terminal (3) that is connected to the conductive tube (2) in a through-hole manner, and an insulating protective tube (1) nested with the conductive tube (2) on the conductive tube (2), and a bent connection terminal (4) nested with the insulating protective tube (1) and connected to the conductive tube (2) in a circuit at the other end of the conductive tube (2); the direct connection terminal (3) includes a direct head (6) that is integrated with the conductive tube (2), and the direct head (6) is provided with a connecting sleeve I (5) nested with the direct head (6) and the conductive tube (2).
2. The wire harness connection structure according to claim 1, characterized in that: The bending connection terminal (4) includes a bending joint (9) that is nested and fixed with the conductive tube (2). A connecting sleeve II (7) is provided between the bending joint (9) and the insulating protective tube (1) and is nested and fixed with the insulating protective tube (1) and the bending joint (9).
3. The wire harness connection structure according to claim 2, characterized in that: Both the direct head (6) and the bending head (9) are provided with winding holes (8).
4. The wire harness connection structure according to claim 2, characterized in that: The inner wall of the bent joint (9) nested with the conductive tube (2) is provided with a friction-enhancing groove.
5. A wire harness connection structure according to claim 2, characterized in that: The insulating protective tube (1), connecting sleeve I (5), and connecting sleeve II (7) are all made of insulating rubber.