Corrugated pipe for protecting automobile wire harness

By introducing insulating leather holsters and steel wire design into the automotive wire harness protection corrugated pipe, the problem of existing corrugated pipes being easily worn during vibration or impact is solved, and the safety and protection capabilities of the wiring harness are improved.

CN222884246UActive Publication Date: 2025-05-16HEFEI KANGMU TECH DEV
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Patent Information

Application Number
CN202421756356.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-05-16
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

Existing automotive wiring harness protection bellows are prone to wear when vibrating or impacting, resulting in exposure or damage to the wiring harness and affecting normal operation.

Method used

An automotive wiring harness protection system including wire harness corrugated pipes, casings, insulated leather hoods and steel wires was designed. The insulating leather case is in contact with the wire harness corrugated pipe, and steel wire is installed in the sleeve to increase protection capacity.

Benefits of technology

Through the protection of the steel wire, the safety and protection capability of the wire harness corrugated pipe are increased, and the damage to the wire harness is reduced due to external force impact.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automobile wire harnesses, and particularly relates to a corrugated pipe for protecting an automobile wire harness, which comprises a wire harness corrugated pipe. A sleeve is sleeved in the wire harness corrugated pipe; the outer side wall of the sleeve is fixedly connected with an insulating leather sheath; a plurality of groups of insulating leather sheaths are arranged on the outer side wall of the sleeve and are uniformly distributed on the outer side wall of the sleeve; the outer side wall of the insulating leather sheath is in contact with the inner side wall of the wire harness corrugated pipe; the middle part of the insulating leather sheath is sleeved with a steel wire; the steel wires are arranged at the middle parts of the plurality of groups of insulating leather sheaths; according to the step, the wire harness corrugated pipe, the sleeve, the insulation leather sheath and the steel wire are arranged, the wire harness penetrates through the sleeve, when the vehicle body plate is parallel to the cross section of the wire harness corrugated pipe and collides with the cross section of the wire harness corrugated pipe, the steel wire protects the wire harness, the safety of the wire harness corrugated pipe when the wire harness corrugated pipe protects the wire harness is improved, and the protection capacity of the device is improved; and the damage of the wire harness caused by external force impact is reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automobile wiring harnesses, in particular to a corrugated tube for protecting automobile wiring harnesses. Background Art

[0002] The automotive wiring harness is the core component of the automotive electrical system. It has the advantages of integration, easy installation, and neatness. It is mainly used to transmit various information such as power, signals, and instructions between various components of the car.

[0003] The automotive wiring harness is an electronic circuit component composed of various wires, connectors, protective covers, etc. It is the main network connection of the automotive circuit. The automotive wiring harness is divided into engine wiring harness, body wiring harness and chassis wiring harness. The automotive wiring harness protection uses corrugated tubes to protect the wiring harness, mainly to protect the wiring harness from damage from the external environment and ensure the safety and reliability of the wiring harness.

[0004] In the existing automotive wiring harness protective bellows technology, the wiring harness is passed through the bellows. When the bellows contacts the body panel, the bellows and the body panel are subjected to external vibrations, causing collision or friction. The bellows may be worn and damaged, causing the wiring harness to be exposed or damaged, affecting the normal operation of the wiring harness.

[0005] To this end, the utility model provides a corrugated tube for protecting automobile wiring harness. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a corrugated tube for automobile wiring harness protection, comprising a wiring harness corrugated tube; a sleeve is sleeved inside the wiring harness corrugated tube; an insulating leather sleeve is fixedly connected to the outer wall of the sleeve; a plurality of insulating leather sleeves are arranged on the outer wall of the sleeve and are evenly distributed on the outer wall of the sleeve; the outer wall of the insulating leather sleeve contacts the inner wall of the wiring harness corrugated tube; a steel wire is sleeved in the middle of the insulating leather sleeve; the steel wire is arranged in the middle of the plurality of insulating leather sleeves; in this step, the wiring harness is passed through the sleeve by arranging the wiring harness corrugated tube, the sleeve, the insulating leather sleeve and the steel wire. When the body panel is parallel to the cross-section of the wiring harness corrugated tube and a collision occurs, the steel wire protects the wiring harness, thereby increasing the safety of the wiring harness corrugated tube in protecting the wiring harness, improving the protection capability of the device, and reducing the damage of the wiring harness caused by external force collision.

[0008] Preferably, the inner wall of the sleeve near the end is fixedly connected with an elastic rod; the elastic rods are arranged in multiple groups on the inner wall of the sleeve; the end of one group of elastic rods away from the sleeve is commonly fixedly connected with a fixing ring; the fixing rings are arranged in multiple groups inside the sleeve and are arranged in a circle; the inner wall of the elastic rod away from the elastic rod is fixedly connected with a rubber pad; the rubber pads are arranged in multiple groups on the inner wall of the fixing ring and are evenly distributed on the inner wall of the fixing ring; this step fixes the wiring harness in the sleeve by arranging the elastic rods, the fixing rings and the rubber pads, improves the adaptability of the device when used, reduces the situation where the wiring harness falls off from the sleeve, improves the stability of the wiring harness in the sleeve, reduces the wear caused by the contact between the wiring harness and the end of the sleeve, and improves the service life of the wiring harness.

[0009] Preferably, a dustproof assembly is provided at the end of the wiring harness corrugated tube; a push rod is slidably connected to the middle of the dustproof assembly; multiple groups of push rods are arranged in the middle of the dustproof assembly; the ends of the multiple groups of push rods close to each other are fixedly connected with pads; a spring is sleeved on the outer wall of the push rod away from the spring; one end of the spring is fixedly connected to the outer wall of the dustproof assembly; this step fixes the wiring harness connector in the dustproof assembly by setting the push rod, spring and pad, reduces the loosening of the wiring harness connector due to shaking, and improves the stability of the wiring harness during connection.

[0010] Preferably, the dustproof assembly includes a dust cover; the dust cover is fixedly connected to the end of the wiring harness bellows; a pair of dust covers are arranged at the end of the wiring harness bellows and are symmetrically arranged; the dust cover is provided with fixing screws near the side wall of the wiring harness bellows; this step fixes the wiring harness connector in the dust cover through the setting of the dust cover, reduces the situation where dust or foreign matter enters and causes poor contact of the wiring harness connector, improves the cleanliness between the wiring harness connectors, and increases the stability of the wiring harness when connected.

[0011] Preferably, the dust cover is fixedly connected to the side wall away from the wiring harness corrugated tube with a sealing ring; the sealing ring is arranged on a pair of side walls of the dust cover; in this step, through the setting of the sealing ring, the dust cover plays a sealing role when connected to the vehicle body part or another set of wiring harnesses, thereby increasing the sealing inside the dust cover and reducing the situation where dust or foreign matter enters the dust cover and causes abnormal operation of the wiring harness connector.

[0012] Preferably, the inner wall of the sleeve is coated with an insulating coating; this step reduces the leakage of the wire harness by coating the inner part of the sleeve with an insulating coating, and reduces the situation where the leakage of the wire harness affects other wire harnesses or equipment.

[0013] Preferably, the sleeve is made of a high temperature resistant material; in this step, the sleeve is made of a high temperature resistant material to improve the safety of the device during use and reduce the impact on other wiring harnesses caused by heating or short circuit.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The utility model discloses a corrugated tube for protecting automobile wiring harnesses. The wiring harness is passed through the tube by arranging the wiring harness corrugated tube, the tube, the insulating leather sheath and the steel wire. When the vehicle body plate is parallel to the cross section of the wiring harness corrugated tube and a collision occurs, the steel wire protects the wiring harness, thereby increasing the safety of the wiring harness corrugated tube in protecting the wiring harness, improving the protection capability of the device and reducing the damage of the wiring harness caused by the impact of external forces.

[0016] 2. The utility model provides a corrugated tube for protecting automobile wiring harnesses, which fixes the wiring harness in the casing by means of elastic rods, fixing rings and rubber pads, thereby improving the adaptability of the device when in use, reducing the possibility of the wiring harness falling off the casing, improving the stability of the wiring harness in the casing, reducing the wear caused by the contact between the wiring harness and the end of the casing, and increasing the service life of the wiring harness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model will be further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the matching of the wire harness corrugated pipe and the sleeve in the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the elastic rod and the sleeve in the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the dust cover and the ejector rod in the utility model;

[0022] In the figure: 1. Wire harness corrugated tube; 11. Sleeve; 12. Insulating leather cover; 13. Steel wire; 2. Elastic rod; 21. Fixing ring; 22. Rubber pad; 3. Push rod; 31. Spring; 32. Cushion block; 4. Dust cover; 5. Sealing ring. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figures 1 to 3As shown, a corrugated tube for automobile wiring harness protection described in an embodiment of the utility model comprises a wiring harness corrugated tube 1; a sleeve 11 is sleeved inside the wiring harness corrugated tube 1; an insulating leather sleeve 12 is fixedly connected to the outer wall of the sleeve 11; multiple groups of insulating leather sleeves 12 are arranged on the outer wall of the sleeve 11 and are evenly distributed on the outer wall of the sleeve 11; the outer wall of the insulating leather sleeve 12 is in contact with the inner wall of the wiring harness corrugated tube 1; a steel wire 13 is sleeved in the middle of the insulating leather sleeve 12; the steel wire 13 is arranged in the middle of multiple groups of insulating leather sleeves 12; during operation, the sleeve 11, the insulating leather sleeve 12, and the steel wire 13 are passed through the wiring harness corrugated tube 1, the insulating leather sleeve 12 is in contact with the wiring harness corrugated tube 1, the wiring harness is passed through the sleeve 11, and then the wiring harness corrugated tube 1 is placed in the installation position , connect the wiring harness connector, and when the wiring harness corrugated tube 1 needs to be bent, bend the wiring harness corrugated tube 1, and the wiring harness corrugated tube 1 drives the sleeve 11, the insulating leather sleeve 12, and the steel wire 13 to be bent to a specified shape. When the wiring harness corrugated tube 1 collides with the body part, the body part sheet is parallel to the cross-section of the wiring harness corrugated tube 1 and collides, the steel wire 13 plays a protective role; in this step, the wiring harness is passed through the sleeve 11 through the arrangement of the wiring harness corrugated tube 1, the sleeve 11, the insulating leather sleeve 12, and the steel wire 13. When the cross-section of the body part is parallel to the wiring harness corrugated tube 1 and collides, the steel wire 13 plays a protective role on the wiring harness, increases the safety of the wiring harness corrugated tube 1 in protecting the wiring harness, improves the protection capability of the device, and reduces the damage of the wiring harness caused by external force impact.

[0025] like Figure 2 and Figure 3 As shown, the inner wall of the sleeve 11 near the end is fixedly connected with an elastic rod 2; the elastic rod 2 is arranged in multiple groups on the inner wall of the sleeve 11; the end of one group of elastic rods 2 away from the sleeve 11 is fixedly connected with a fixing ring 21; the fixing ring 21 is arranged in multiple groups inside the sleeve 11 and is arranged in a circumferential manner; the inner wall of the elastic rod 2 away from the elastic rod 2 is fixedly connected with a rubber pad 22; the rubber pad 22 is arranged in multiple groups on the inner wall of the fixing ring 21 and is evenly distributed on the inner wall of the fixing ring 21; during operation, when wire harnesses of different sizes are arranged in the sleeve 11, the outer ends of the wire harnesses are fixedly connected with the inner wall of the fixing ring 21. The side wall contacts the rubber pad 22, squeezing the fixing ring 21 close to the side wall of the sleeve 11, the elastic rod 2 is squeezed, and at the same time the elastic rod 2 pushes the fixing ring 21 away from the sleeve 11, fixing the wiring harness inside the sleeve 11 to adapt to wiring harnesses of different sizes; this step fixes the wiring harness in the sleeve 11 through the arrangement of the elastic rod 2, the fixing ring 21, and the rubber pad 22, thereby improving the adaptability of the device when used, reducing the situation where the wiring harness falls off from the sleeve 11, improving the stability of the wiring harness in the sleeve 11, reducing the wear caused by the contact between the wiring harness and the end of the sleeve 11, and improving the service life of the wiring harness.

[0026] like Figure 1 and Figure 4As shown, a dustproof component is provided at the end of the wiring harness corrugated tube 1; a push rod 3 is slidably connected to the middle of the dustproof component; multiple groups of push rods 3 are arranged in the middle of the dustproof component; the ends of the multiple groups of push rods 3 close to each other are fixedly connected with pads 32; the outer wall of the push rod 3 away from the spring 31 is sleeved with a spring 31; one end of the spring 31 is fixedly connected to the outer wall of the dustproof component; during operation, after the wiring harness connector is connected, the push rod 3, under the elastic force of the spring 31, presses the pad 32 toward the wiring harness connector, fixes the wiring harness connector in the dustproof component, and reduces the situation where the wiring harness connector is loose due to shaking; this step fixes the wiring harness connector in the dustproof component by setting the push rod 3, the spring 31, and the pad 32, reduces the situation where the wiring harness connector is loose due to shaking, and improves the stability of the wiring harness during connection.

[0027] like Figure 1 As shown, the dustproof assembly includes a dust cover 4; the dust cover 4 is fixedly connected to the end of the wiring harness corrugated tube 1; a pair of dust covers 4 are arranged at the end of the wiring harness corrugated tube 1, and are symmetrically arranged; the dust cover 4 is provided with fixing screws near the side wall of the wiring harness corrugated tube 1; during operation, the wiring harness connector is fixed inside the dust cover 4, and the dust cover 4 is connected to another set of wiring harnesses or body parts by fixing screws to reduce dust or foreign matter entering the dust cover 4 to cause poor contact of the wiring harness connector; this step fixes the wiring harness connector in the dust cover 4 through the setting of the dust cover 4, reduces dust or foreign matter entering to cause poor contact of the wiring harness connector, improves the cleanliness between the wiring harness connectors, and increases the stability of the wiring harness during connection.

[0028] like Figure 1 As shown, the side wall of the dust cover 4 away from the wiring harness corrugated tube 1 is fixedly connected with a sealing ring 5; the sealing ring 5 is arranged on a pair of side walls of the dust cover 4; during operation, when the dust cover 4 is connected to the vehicle body part or another set of wiring harnesses, the sealing ring 5 plays a sealing role to reduce the dust or water from entering the dust cover 4, causing poor contact or short circuit of the wiring harness connector; in this step, through the setting of the sealing ring 5, the dust cover 4 plays a sealing role when connected to the vehicle body part or another set of wiring harnesses, increases the sealing inside the dust cover 4, and reduces the dust or foreign matter from entering the dust cover 4 to cause abnormal operation of the wiring harness connector.

[0029] like Figure 2 As shown, the inner wall of the sleeve 11 is coated with an insulating coating; during operation, the inside of the sleeve 11 is coated with an insulating coating to improve the stability of the wiring harness inside the sleeve 11 when connected; this step reduces the leakage of the wiring harness by coating the inside of the sleeve 11 with an insulating coating, and reduces the situation where the leakage of the wiring harness affects other wiring harnesses or equipment.

[0030] like Figure 2As shown, the sleeve 11 is made of high-temperature resistant material; during operation, when the wiring harness is loosely connected or heated inside the sleeve 11, the sleeve 11 will not be ignited; this step improves the safety of the device when in use by making the sleeve 11 of high-temperature resistant material, and reduces the impact on other wiring harnesses caused by heating or short circuit.

[0031] During operation, the sleeve 11, the insulating leather sleeve 12, and the steel wire 13 are passed through the wiring harness corrugated tube 1, the insulating leather sleeve 12 contacts the wiring harness corrugated tube 1, the wiring harness is passed through the sleeve 11, and then the wiring harness corrugated tube 1 is placed at the installation position, the wiring harness connector is connected, and when the wiring harness corrugated tube 1 needs to be bent, the wiring harness corrugated tube 1 is bent, and the wiring harness corrugated tube 1 drives the sleeve 11, the insulating leather sleeve 12, and the steel wire 13 to bend to a specified shape. When the wiring harness corrugated tube 1 collides with the body part, and the body part sheet is parallel to the cross-section of the wiring harness corrugated tube 1 and collides, the steel wire 13 plays a protective role; when wiring harnesses of different sizes are arranged in the sleeve 11, the outer wall of the wiring harness contacts the rubber pad 22, squeezing the fixing ring 21 close to the side wall of the sleeve 11, the elastic rod 2 is squeezed, and at the same time the elastic rod 2 supports the fixing ring 21 away from the sleeve 11 to fix the wiring harness. Inside the sleeve 11, wiring harnesses of different sizes are adapted; after the wiring harness connector is connected, the push rod 3, under the elastic force of the spring 31, presses the cushion block 32 toward the wiring harness connector, fixes the wiring harness connector in the dustproof component, and reduces the situation where the wiring harness connector shakes and becomes loose; the wiring harness connector is fixed inside the dust cover 4, and the dust cover 4 is connected to another set of wiring harnesses or body parts by fixing screws, and reduces the situation where dust or foreign matter enters the dust cover 4 and causes poor contact of the wiring harness connector; when the dust cover 4 is connected to the body part or another set of wiring harnesses, the sealing ring 5 plays a sealing role, and reduces the situation where dust or water enters the dust cover 4 and causes poor contact or short circuit of the wiring harness connector; the inside of the sleeve 11 is coated with an insulating coating to improve the stability of the wiring harness inside the sleeve 11 when it is connected; when the wiring harness is poorly connected or heated inside the sleeve 11, the sleeve 11 will not be ignited.

[0032] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A corrugated tube for protecting automobile wiring harness, comprising a wiring harness corrugated tube (1); characterized in that: The wiring harness corrugated tube (1) is internally sheathed with a sleeve (11); the outer wall of the sleeve (11) is fixedly connected with an insulating leather sleeve (12); multiple groups of the insulating leather sleeves (12) are arranged on the outer wall of the sleeve (11) and are evenly distributed on the outer wall of the sleeve (11); the outer wall of the insulating leather sleeve (12) is in contact with the inner wall of the wiring harness corrugated tube (1); the middle of the insulating leather sleeve (12) is sheathed with a steel wire (13); the steel wire (13) is arranged in the middle of multiple groups of insulating leather sleeves (12).

2. The corrugated tube for protecting automobile wiring harness according to claim 1, characterized in that: The inner side wall of the sleeve (11) close to the end is fixedly connected to an elastic rod (2); a plurality of groups of the elastic rods (2) are arranged on the inner side wall of the sleeve (11); a group of ends of the elastic rods (2) away from the sleeve (11) are fixedly connected to a fixing ring (21); a plurality of groups of the fixing rings (21) are arranged inside the sleeve (11) and are arranged in a circumferential manner; a rubber pad (22) is fixedly connected to the inner side wall of the elastic rods (2) away from the elastic rods (2); a plurality of groups of the rubber pads (22) are arranged on the inner side wall of the fixing ring (21) and are evenly distributed on the inner side wall of the fixing ring (21).

3. The corrugated tube for protecting automobile wiring harness according to claim 1, characterized in that: The end of the harness corrugated tube (1) is provided with a dustproof component; a push rod (3) is slidably connected to the middle of the dustproof component; multiple groups of push rods (3) are arranged in the middle of the dustproof component; the ends of the multiple groups of push rods (3) close to each other are fixedly connected to cushion blocks (32); the outer wall of the push rod (3) away from the spring (31) is sleeved with a spring (31); one end of the spring (31) is fixedly connected to the outer wall of the dustproof component.

4. The corrugated tube for protecting automobile wiring harness according to claim 3, characterized in that: The dustproof assembly comprises a dustproof cover (4); the dustproof cover (4) is fixedly connected to the end of the wiring harness corrugated tube (1); a pair of the dustproof covers (4) are arranged at the end of the wiring harness corrugated tube (1) and are arranged symmetrically; and a fixing screw is provided on the side wall of the dustproof cover (4) close to the wiring harness corrugated tube (1).

5. The corrugated tube for protecting automobile wiring harness according to claim 4, characterized in that: The side wall of the dust cover (4) away from the wiring harness corrugated tube (1) is fixedly connected with a sealing ring (5); the sealing ring (5) is arranged on a pair of side walls of the dust cover (4).

6. The corrugated tube for protecting automobile wiring harness according to claim 1, characterized in that: The inner wall of the sleeve (11) is coated with an insulating coating.

7. The corrugated tube for protecting automobile wiring harness according to claim 1, characterized in that: The sleeve (11) is made of high temperature resistant material.