Automobile wire harness protection device
By designing a combination of inner and outer rings, inclined sliding grooves, telescopic teeth, and fixed shrink rings for the protective sleeve, the wear and loosening problems of the wire harness protection device are solved, achieving stable fixation and repeated use, and adapting to the needs of wire harnesses of different diameters.
Patent Information
- Application Number
- CN202422594988.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-10-28
AI Technical Summary
Existing automotive wiring harness protection devices are prone to wear and loosening during use, and their diameter is difficult to adjust, resulting in wasted resources and poor fixing effect.
An automotive wiring harness protection device was designed, comprising an inner protective ring, an outer ring, an inclined sliding groove, a telescopic toothed block, a fixed shrink ring, and a tension ring. By combining the telescopic toothed block and the fixed shrink ring, the wiring harness can be stably fixed and reused.
It achieves stable fixing of wire harnesses, avoids wear and tear, and allows for reuse, reducing resource waste and adapting to the fixing needs of wire harnesses of different diameters.
Smart Images
Figure CN223651887U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of protection device, more particularly to an automobile wire harness protection device. BACKGROUND
[0002] Wire harness is one of indispensable consumables in current industrial production, is widely used in the production process, is generally used for connecting various electronic components to make them play their own role. The automobile wire harness belongs to the common category of wire harness in the use classification, is composed of insulating sheath, wiring terminal, wire and other components, through the connection of wire harness to each part of the equipment, the function between each component forms a whole.
[0003] At present, since many wire harnesses are used for connection in the assembling process of automobile, form a loop, the wire harness connection position is usually not wrapped by shell, needs to use the protection device to protect the wire harness from damage due to scratching with sheet metal, the existing automobile wire harness protection mode is generally fixed by directly using a tie or a pressing clamp, due to the long-time use of automobile and the fatigue strength of the device itself, the axial movement of the device and the wear between the protection device and the wire harness are prone to occur, thereby the accumulation of the protection device produces the wire harness loosening, the effect of binding and fixing of the fixed position cannot be achieved, in addition, since the diameters of the wire harnesses are different, the existing protection device usually produces excess part when adjusting the diameter, for example, the remaining tail of the tie, which makes it usually need to additionally prepare a tool to adjust the protection device during installation, and the protection device cannot be reused after disassembly, which produces certain resource waste. UTILITY MODEL CONTENTS
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an automobile wire harness protection device to solve the problems in the above background art.
[0005] The utility model provides the following technical scheme: an automobile wire harness protection device, including protection sleeve device, protection sleeve device includes protection sleeve inner ring, both sides of protection sleeve inner ring are fixedly connected with protection sleeve outer ring, the outside of protection sleeve outer ring is equipped with four inclined sliding slot, the outside of protection sleeve outer ring is fixedly connected with telescopic tooth block between inclined sliding slot, the bottom of telescopic tooth block is fixedly connected with inside fixed block of protection sleeve outer ring, one end of inside fixed block is fixedly connected with fixed contraction ring away from protection sleeve inner ring, the outside of protection sleeve outer ring is fixedly connected with protection sleeve stretch ring, protection sleeve stretch ring includes stretch ring main part, the inside of stretch ring main part is equipped with ring inner groove on one side close to protection sleeve device, the inside of ring inner groove is equipped with reverse fixed tooth, the inside of reverse fixed tooth is fixedly connected with a plurality of reverse tooth groove, the inside of stretch ring main part is fixedly connected with four displacement wedge block.
[0006] Furthermore, the fixed shrink ring includes a shrink ring body, both ends of which are provided with shrink ring outer grooves, and a shrink ring connecting rod is fixedly connected to the side of the shrink ring body near the inner ring of the protective sleeve.
[0007] Furthermore, the shrink ring connecting rod is fixedly connected to the inner side of the inner fixing block by welding. The shrink ring connecting rod is made of a tough material. The bottom of the outer groove of the shrink ring near the inner ring of the protective sleeve is chamfered, and the chamfer side length is the same as the depth of the outer groove of the shrink ring.
[0008] Furthermore, the direction of the tooth groove on the telescopic tooth block is away from the inner ring of the protective sleeve, and the width of the inclined sliding groove is greater than the width of the displacement wedge.
[0009] Furthermore, the grooves of the reverse toothed groove face opposite to those of the telescopic toothed block, a support spring is installed inside the telescopic toothed block, and the telescopic toothed block is fixedly connected to the outside of the outer ring of the protective sleeve by snap-fit.
[0010] Furthermore, the main body of the shrink ring is made of rubber, the outer groove of the shrink ring is in the same position as the displacement wedge, and the width of the displacement wedge is the same as the minimum distance between the outer groove of the shrink ring.
[0011] Furthermore, the inclined angle of the displacement wedge is 15 degrees.
[0012] The technical effects and advantages of this utility model are as follows:
[0013] 1. This utility model, by providing a fixed shrink ring, facilitates inward shrinkage under the outward movement of the displacement wedge, thereby fixing the internal wire harness and securing the components inside the fixed shrink ring. At the same time, the inner ring of the protective sleeve forms a sealed space after shrinkage, reducing contact with the outside world, achieving a protective function, and preventing wear caused by contact between the protective device and the wire harness.
[0014] 2. This utility model, by incorporating telescopic tooth blocks, facilitates the use of the interlocking teeth to prevent the protective sleeve from loosening during protection. Furthermore, since springs are installed inside the telescopic tooth blocks, when retraction is required, pressing the surrounding telescopic tooth blocks inward simultaneously can loosen the protective sleeve's tension ring, thus enabling the repeated use of the protective device. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0016] Figure 2 This is a cross-sectional view of the overall structure of this utility model.
[0017] Figure 3 This is a side view of the overall structure of this utility model.
[0018] Figure 4 This is a schematic diagram of the protective sleeve device of this utility model.
[0019] Figure 5 This is a schematic diagram of the protective sleeve tension ring structure of this utility model.
[0020] The attached figures are labeled as follows: 1. Protective sleeve device; 101. Inner ring of the protective sleeve; 102. Outer ring of the protective sleeve; 103. Inclined sliding groove; 104. Telescopic tooth block; 105. Inner fixing block; 2. Protective sleeve tension ring; 201. Tension ring body; 202. Inner groove of the outer ring; 203. Displacement wedge block; 204. Reverse tooth groove; 205. Reverse fixing tooth; 3. Fixed shrink ring; 301. Shrink ring body; 302. Outer groove of the shrink ring; 303. Shrink ring connecting rod. Detailed Implementation
[0021] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The automotive wiring harness protection device involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0022] Reference Figures 1-5 This utility model provides an automotive wiring harness protection device, including a protective sleeve device 1. The protective sleeve device 1 includes an inner protective sleeve ring 101, and outer protective sleeve rings 102 are fixedly connected to both sides of the inner protective sleeve ring 101. Four inclined sliding grooves 103 are formed on the outer side of the outer protective sleeve ring 102. Telescopic toothed blocks 104 are fixedly connected to the outer side of the outer protective sleeve ring 102 between the inclined sliding grooves 103. An inner fixing block 105 is fixedly connected to the bottom of the telescopic toothed block 104 on the inner side of the outer protective sleeve ring 102. A fixing contraction ring 3 is fixedly connected to the end of the inner fixing block 105 away from the inner protective sleeve ring 101. A protective sleeve tension ring 2 is fixedly connected to the outer side of the outer protective sleeve ring 102. 2 includes a tension ring body 201. An outer ring inner groove 202 is provided on the inner side of the tension ring body 201 near the protective sleeve device 1. A reverse fixing tooth 205 is provided on the inner side of the outer ring inner groove 202. Multiple reverse tooth grooves 204 are fixedly connected inside the reverse fixing tooth 205. Four displacement wedges 203 are fixedly connected on the inner side of the tension ring body 201. During the use of this device, the device is installed on the wiring harness. After the connection is made and the protection position is determined, the protective sleeve tension ring 2 is pulled to both sides. The displacement wedges 203 gradually move outward and slide on the outer groove 302 of the shrink ring. As the displacement wedges 203 with a certain tilt angle gradually move outward, the shrink ring body 301 gradually begins to shrink.
[0023] In a preferred embodiment, the fixed shrink ring 3 includes a shrink ring body 301. Both ends of the outer side of the shrink ring body 301 are provided with shrink ring outer grooves 302. A shrink ring connecting rod 303 is fixedly connected to the side of the shrink ring body 301 near the inner ring 101 of the protective sleeve. When the inner diameter of the shrink ring body 301 is completely in contact with the wire harness, the protective sleeve tension ring 2 completes the outward movement process. At the same time, the reverse fixing tooth 205 is completely fixed inside the telescopic tooth block 104 to achieve a locking effect and prevent it from displacing and causing axial movement during use.
[0024] In a preferred embodiment, the shrink ring connecting rod 303 is fixedly connected to the inner side of the inner fixing block 105 by welding. The shrink ring connecting rod 303 is made of a tough material. The bottom of the outer groove 302 of the shrink ring is chamfered near the inner ring 101 of the protective sleeve. The chamfer side length is the same as the depth of the outer groove 302 of the shrink ring, which is beneficial for bending and supporting the shrink ring body 301.
[0025] In a preferred embodiment, the direction of the toothed groove on the telescopic toothed block 104 is away from the inner ring 101 of the protective sleeve, and the width of the inclined sliding groove 103 is greater than the width of the displacement wedge 203, which is beneficial to lock the telescopic toothed block 104 in the stretched state and prevent movement.
[0026] In a preferred embodiment, the tooth grooves of the reverse toothed groove 204 face opposite to those of the telescopic toothed block 104. A support spring is installed inside the telescopic toothed block 104. The telescopic toothed block 104 is fixedly connected to the outside of the outer ring 102 of the protective sleeve by snap-fit. This facilitates the control and adjustment of the fixing effect of the telescopic toothed block 104. When disassembly is required, pressing the four telescopic toothed blocks 104 inward simultaneously and moving the protective sleeve tension ring 2 inward will cause the fixed contraction ring 3 to lose its locking force and expand outward to release its protective function. Since the internal components are not damaged during installation and disassembly, the device can be reused by removing it and repeating the above process.
[0027] In a preferred embodiment, the shrink ring body 301 is made of rubber, the outer groove 302 of the shrink ring is in the same position as the displacement wedge 203, and the width of the displacement wedge 203 is the same as the minimum distance between the outer groove 302 of the shrink ring, which is conducive to the displacement wedge 203 sliding inside the outer groove 302 of the shrink ring.
[0028] In a preferred embodiment, the inclined angle of the slope of the displacement wedge 203 is 15 degrees, which is beneficial for the displacement wedge 203 to gradually move outward and slide on the outer groove 302 of the contraction ring to push the contraction ring body 301 to contract.
[0029] The working principle of this utility model is as follows: First, during the use of this device, it is installed on the wire harness. After the connection is made and the protection position is determined, the protective sleeve tension ring 2 is pulled to both sides. The displacement wedge 203 gradually moves outward and slides on the outer groove 302 of the shrink ring. As the displacement wedge 203 with a certain tilt angle gradually moves outward, the shrink ring body 301 gradually begins to shrink. When the inner diameter of the shrink ring body 301 is completely in contact with the wire harness, the protective sleeve tension ring 2 completes the outward movement process. At the same time, the reverse fixing tooth 205 is completely fixed inside the telescopic tooth block 104 to achieve a locking effect and prevent it from displacing and causing axial movement during use.
[0030] When disassembly is required, press the four telescopic teeth 104 inward simultaneously, move the protective sleeve tension ring 2 inward, and fix the shrink ring 3 to lose the locking force and expand outward to release the protective function. Since the internal components are not damaged during installation and disassembly, the device can be reused by removing the device and repeating the above process.
Claims
1. A protective device for automotive wiring harnesses, comprising a protective sleeve device (1), characterized in that: The protective sleeve device (1) includes an inner protective sleeve ring (101), and outer protective sleeve rings (102) are fixedly connected to both sides of the inner protective sleeve ring (101). Four inclined sliding grooves (103) are provided on the outer side of the outer protective sleeve ring (102). Telescopic tooth blocks (104) are fixedly connected between the inclined sliding grooves (103) on the outer side of the outer protective sleeve ring (102). An inner fixing block (105) is fixedly connected to the bottom of the telescopic tooth block (104) on the inner side of the outer protective sleeve ring (102). The end of the inner fixing block (105) away from the inner protective sleeve ring (101) is... A fixed shrink ring (3) is fixedly connected, and a protective sleeve tension ring (2) is fixedly connected to the outer side of the protective sleeve outer ring (102). The protective sleeve tension ring (2) includes a tension ring body (201). An outer ring inner groove (202) is opened on the inner side of the tension ring body (201) near the protective sleeve device (1). A reverse fixing tooth (205) is opened on the inner side of the outer ring inner groove (202). A plurality of reverse tooth grooves (204) are fixedly connected inside the reverse fixing tooth (205). Four displacement wedges (203) are fixedly connected to the inner side of the tension ring body (201).
2. The automotive wiring harness protection device according to claim 1, characterized in that: The fixed shrink ring (3) includes a shrink ring body (301), and both ends of the outer side of the shrink ring body (301) are provided with shrink ring outer grooves (302). A shrink ring connecting rod (303) is fixedly connected to the side of the shrink ring body (301) close to the inner ring (101) of the protective sleeve.
3. The automotive wiring harness protection device according to claim 2, characterized in that: The shrink ring connecting rod (303) is fixedly connected to the inner side of the inner fixing block (105) by welding. The shrink ring connecting rod (303) is made of tough material. The bottom of the outer groove of the shrink ring (302) near the inner ring (101) of the protective sleeve is chamfered. The chamfer side length is the same as the depth of the outer groove of the shrink ring (302).
4. The automotive wiring harness protection device according to claim 1, characterized in that: The direction of the tooth groove on the telescopic tooth block (104) is away from the inner ring (101) of the protective sleeve, and the width of the inclined sliding groove (103) is greater than the width of the displacement wedge block (203).
5. The automotive wiring harness protection device according to claim 1, characterized in that: The tooth groove of the reverse tooth groove (204) is oriented opposite to that of the telescopic tooth block (104). A support spring is installed inside the telescopic tooth block (104). The telescopic tooth block (104) is fixedly connected to the outside of the outer ring (102) of the protective sleeve by snap-fit.
6. The automotive wiring harness protection device according to claim 2, characterized in that: The shrink ring body (301) is made of rubber. The outer groove (302) of the shrink ring is in the same position as the displacement wedge (203). The width of the displacement wedge (203) is the same as the minimum spacing of the outer groove (302) of the shrink ring.
7. The automotive wiring harness protection device according to claim 1, characterized in that: The inclined angle of the displacement wedge (203) is 15 degrees.