Automobile signal shielding wire harness with low-capacitance structure

Abstract

The utility model relates to the technical field of signal shielding wire harnesses, and discloses an automobile signal shielding wire harness with a low-capacitance structure, which comprises a wire harness main body, a clamping plate is arranged on the outer side of the wire harness main body, the clamping plate is divided into two parts, a connecting shaft is arranged in the middle of the clamping plate, the clamping plate is hinged with the outer side of the connecting shaft, and an arc-shaped groove is formed in the outer side of the clamping plate. Fixing grooves are formed in the outer sides of the clamping plates, springs are installed on the inner walls of the fixing grooves, sliding blocks are slidably installed on the inner walls of the fixing grooves, and arc-shaped clamping belts are fixedly installed on the outer sides of the sliding blocks. Through the arrangement of the clamping plates, the connecting shafts, the arc-shaped grooves, the fixing grooves, the springs, the sliding blocks, the arc-shaped clamping belts and the butt-joint plates, wire harnesses of different sizes can be fixed, meanwhile, the multiple wire harnesses can be neatly distributed, winding is avoided, and installation by workers is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of signal shielding wire harnesses, in particular to an automobile signal shielding wire harness with a low capacitance structure. Background Art

[0002] Automotive shielded wiring harnesses provide connectivity and power, ensuring the proper operation of the vehicle and its electronic devices. Automotive wiring harnesses have a variety of functions. Primarily, they connect electrical devices. Within a vehicle's engine compartment, various sensors, motors, and electronic control modules are connected via wiring harnesses to transmit and interact with each other. They also transmit electrical signals, providing power to various systems such as the ignition, lighting, and air conditioning systems. Most importantly, wiring harnesses prevent damage to wires caused by friction, vibration, or moisture, improving the stability and safety of the vehicle. However, during installation, existing signal harnesses can become tangled and chaotic, making installation and maintenance difficult. Utility Model Content

[0003] (1) Technical problems solved

[0004] In response to the deficiencies of the prior art, the utility model provides a low-capacitance structured automotive signal shielding wiring harness, which has the advantages of being able to fix wiring harnesses of different sizes and at the same time allowing multiple wiring harnesses to be neatly distributed, avoiding entanglement and facilitating installation by workers, thereby solving the problems raised in the above-mentioned background technology.

[0005] (2) Technical solution

[0006] To achieve the above-mentioned purpose, the following technical solution is provided: a low-capacitance structure automotive signal shielding wiring harness, comprising a wiring harness body, a splint installed on the outside of the wiring harness body, the splint is divided into two parts, and a connecting shaft is provided in the middle, the splint is hinged to the outside of the connecting shaft, an arc-shaped groove is opened on the outside of the splint, a fixed groove is installed on the outside of the splint, a spring is installed on the inner wall of the fixed groove, a slider is slidably installed on the inner wall of the fixed groove, and an arc-shaped clamp is fixedly installed on the outside of the slider.

[0007] Preferably, the outer end of the spring is fixedly connected to a side of the slider close to the wiring harness body, and the surfaces of the arc-shaped clamping band and the arc-shaped groove are both provided with a rubber protective layer.

[0008] Preferably, a docking plate is fixedly installed at the lower docking position of the splint, a threaded hole is opened on the surface of the docking plate, and a fixing bolt is threadedly installed on the inner wall of the threaded hole.

[0009] Preferably, a rubber protective cover is provided on the surface of the wire harness body, and a nylon sheath is provided on the inner side of the rubber protective cover.

[0010] Preferably, a polyvinyl chloride insulation layer is provided on the inner side of the nylon sheath, and a tinned copper wire braided shielding layer is provided on the inner side of the polyvinyl chloride insulation layer.

[0011] Preferably, a pressure-resistant layer is provided on the inner side of the tinned copper wire braided shielding layer, a wire core is provided on the inner side of the pressure-resistant layer, and a tensile strip is provided at the center of the wire core.

[0012] (3) Beneficial effects

[0013] Compared with the existing technology, the utility model provides a low-capacitance automotive signal shielding wiring harness with the following beneficial effects:

[0014] 1. The low-capacitance structure of the automotive signal shielding harness can fix harnesses of different sizes through the settings of the splint, connecting shaft, arc groove, fixed groove, spring, slider, arc clamp and docking plate. At the same time, it can make multiple harnesses neatly distributed to avoid entanglement and facilitate installation by workers.

[0015] 2. The low-capacitance structure of the automotive signal shielding harness is achieved through the setting of rubber protective cover, nylon sheath, polyvinyl chloride insulation layer, tinned copper wire braided shielding layer, pressure-resistant layer, wire core, and tensile tape, so that the harness body has wear-resistant and scratch-resistant, pressure-resistant and tensile-resistant effects, while improving the anti-interference ability of the harness body and improving the stability of the overall signal transmission of the automotive harness. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the plywood of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the wiring harness main body of the present utility model.

[0019] In the figure: 1. Wire harness body; 2. Clamp; 3. Connecting shaft; 4. Arc groove; 5. Fixed groove; 6. Spring; 7. Slider; 8. Arc clamp; 9. Docking plate; 10. Rubber protective cover; 11. Nylon sheath; 12. PVC insulation layer; 13. Tinned copper wire braided shielding layer; 14. Anti-pressure layer; 15. Wire core; 16. Anti-tensile tape. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments, not all of the embodiments. Based on the embodiments, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection.

[0021] Example 1:

[0022] See also Figure 1-3 A low-capacitance automotive signal shielding wiring harness includes a wiring harness body 1, a splint 2 is installed on the outside of the wiring harness body 1, the splint 2 is divided into two parts, and a connecting shaft 3 is provided in the middle, the splint 2 is hinged to the outside of the connecting shaft 3, an arc groove 4 is opened on the outside of the splint 2, a fixing groove 5 is installed on the outside of the splint 2, a spring 6 is installed on the inner wall of the fixing groove 5, a slider 7 is slidably installed on the inner wall of the fixing groove 5, and an arc-shaped clamping belt 8 is fixedly installed on the outside of the slider 7.

[0023] Specifically, the splints 2 on both sides are connected by a connecting shaft. The splints 2 can be movable and conveniently clamped on the wiring harness body 1, and the arc grooves 4 and arc clamping belts 8 set on both sides of the splint 2 can fix other wiring harness bodies 1, allowing multiple wiring harnesses to be neatly distributed, avoiding entanglement, and facilitating installation by staff.

[0024] Preferably, the outer end of the spring 6 is fixedly connected to the side of the slider 7 close to the wire harness body 1, and the surfaces of the arc-shaped clamping band 8 and the arc-shaped groove 4 are both provided with a rubber protective layer.

[0025] Specifically, pull the slider 7 outward, the slider 7 will stretch the spring 6, the opening of the arc-shaped clamp 8 will become larger, and then the wire harness will be passed through the arc-shaped clamp 8 and the arc-shaped groove 4, and the arc-shaped clamp 8 will be released. The elastic force generated by the spring 6 will allow the arc-shaped clamp 8 to clamp the wire harness.

[0026] Preferably, a docking plate 9 is fixedly installed at the lower docking position of the clamping plate 2, and a threaded hole is opened on the surface of the docking plate 9, and a fixing bolt is threadedly installed on the inner wall of the threaded hole.

[0027] Specifically, the provision of fixing bolts and threaded holes can facilitate the installation and disassembly of the clamping plate 2 .

[0028] Working principle: Install the splint 2 on the wiring harness body 1 and fix it with the fixing bolts. By pulling the arc-shaped clamp 8, the arc-shaped clamp 8 slides outward with the slider 7, and then the slider 7 pulls the spring 6 to move. The spring 6 will be stretched, and then the wiring harness is passed through the arc-shaped clamp 8 and the arc-shaped groove 4. After loosening the arc-shaped clamp 8, the arc-shaped clamp 8 and the arc-shaped groove 4 can fix the wiring harness under the elastic force of the spring 6. At the same time, the stretchability of the spring 6 can fix wiring harnesses of different sizes, and at the same time, multiple wiring harnesses can be neatly distributed to avoid entanglement, making it convenient for staff to install.

[0029] Example 2:

[0030] See also Figure 1-3 A rubber protective cover 10 is provided on the surface of the wiring harness body 1 , and a nylon sheath 11 is provided on the inner side of the rubber protective cover 10 .

[0031] Preferably, a polyvinyl chloride insulation layer 12 is provided on the inner side of the nylon sheath 11 , and a tinned copper wire braided shielding layer 13 is provided on the inner side of the polyvinyl chloride insulation layer 12 .

[0032] Preferably, a pressure-resistant layer 14 is provided on the inner side of the tinned copper wire braided shielding layer 13 , a wire core 15 is provided on the inner side of the pressure-resistant layer 14 , and a tensile tape 16 is provided at the center of the wire core 15 .

[0033] Working principle: The setting of the rubber protective cover 10 and the nylon sheath 11 can protect the outside of the wiring harness body 1, making the wiring harness body 1 wear-resistant and scratch-resistant. The setting of the polyvinyl chloride insulation layer 12 and the tinned copper wire braided shielding layer 13 can improve the anti-interference ability of the wiring harness body 1 and improve the stability of the overall signal transmission of the automobile wiring harness. Then, the setting of the pressure-resistant layer 14 and the tensile strength belt 16 can improve the pressure and tensile strength of the wiring harness body 1, and can increase the service life of the wiring harness.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A low-capacitance automotive signal shielding wiring harness, comprising a wiring harness body (1), characterized in that: A clamping plate (2) is installed on the outer side of the wiring harness body (1), and the clamping plate (2) is divided into two parts, and a connecting shaft (3) is provided in the middle. The clamping plate (2) is hinged to the outer side of the connecting shaft (3), and an arc groove (4) is opened on the outer side of the clamping plate (2). A fixing groove (5) is installed on the outer side of the clamping plate (2), and a spring (6) is installed on the inner wall of the fixing groove (5). A slider (7) is slidably installed on the inner wall of the fixing groove (5), and an arc clamping belt (8) is fixedly installed on the outer side of the slider (7).

2. The low-capacitance automotive signal shielding wiring harness according to claim 1, characterized in that: The outer end of the spring (6) is fixedly connected to a side of the slider (7) close to the wiring harness body (1), and the surfaces of the arc-shaped clamping band (8) and the arc-shaped groove (4) are both provided with a rubber protective layer.

3. The low-capacitance automotive signal shielding wiring harness according to claim 1, characterized in that: A docking plate (9) is fixedly mounted at the lower docking position of the clamping plate (2), a threaded hole is provided on the surface of the docking plate (9), and a fixing bolt is threadedly mounted on the inner wall of the threaded hole.

4. The low-capacitance automotive signal shielding wiring harness according to claim 1, characterized in that: A rubber protective cover (10) is provided on the surface of the wiring harness body (1), and a nylon sheath (11) is provided on the inner side of the rubber protective cover (10).

5. The low-capacitance automotive signal shielding wiring harness according to claim 4, characterized in that: A polyvinyl chloride insulation layer (12) is provided on the inner side of the nylon sheath (11), and a tinned copper wire braided shielding layer (13) is provided on the inner side of the polyvinyl chloride insulation layer (12).

6. The low-capacitance automotive signal shielding wiring harness according to claim 5, characterized in that: A pressure-resistant layer (14) is provided on the inner side of the tinned copper wire braided shielding layer (13), a wire core (15) is provided on the inner side of the pressure-resistant layer (14), and a tensile strip (16) is provided at the center of the wire core (15).

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