A fixing device for a car wire harness sheath

By designing an adaptive clamp and adjustment structure, the problem that traditional automotive wiring harness sheath fixing devices cannot adapt to different outer diameters and redundant lengths has been solved, thus realizing a multifunctional wiring harness sheath fixing device.

CN224472981UActive Publication Date: 2026-07-07TIANJIN YUANXIN TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-03
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Traditional automotive wiring harness sheathing fixing devices cannot adapt to the clamping requirements of different outer diameters and cannot effectively reduce redundant length.

Method used

A fixing device including a mounting plate and a clamp is designed. The clamp consists of a vertical box, a sliding column, a locking nut, an adjusting screw, a movable block, and a clamping plate. Through sliding, rotating, and locking operations, the adjusting screw drives the movable block to move, so that the clamping plate clamps crosswise to adapt to different outer diameters. The redundant length is reduced by adjusting the position of the clamp.

Benefits of technology

It achieves reliable clamping and fixing of wire harness sheaths with different outer diameters, and can effectively reduce redundant length, improve the applicability and stability of the fixing device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wiring harness sheath, especially to a fixing device of automobile wiring harness sheath, the utility model discloses the reasonable structure design, its through the installation plate installation several columns of holder, and holder utilizes slide post, locking nut to realize the locking operation after sliding, rotating and position determination, utilizes the adjusting screw rod to drive two movable blocks relative displacement, and further makes the clamping plate with semicircle convex arch portion can be close to each other, owing to the position of clamping plate staggered with each other, make semicircle convex arch portion can cross each other, and further satisfy the clamping fixed demand of different outer diameter's automobile wiring harness sheath. When the redundancy length of automobile wiring harness sheath is bigger, through the adjacent holder is adjusted to the high position and low position respectively, can increase the path travel of automobile wiring harness sheath between holder, realizes the redundancy length reduction. In addition, the redundant automobile wiring harness sheath can be bound and reinforced by using the binding through hole, and the fixing reliability is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of wire harness sheath technology, and in particular to a fixing device for automotive wire harness sheaths. Background Technology

[0002] Automotive wiring harness sheaths play a crucial role in wiring harness systems, primarily in the following aspects: 1) The interior of a car is filled with a complex network of wires and cables responsible for transmitting power and signals to drive and control various vehicle systems. Wiring harness sheaths effectively encase these wires and cables, preventing direct exposure to harsh automotive environments (such as high temperatures, humidity, oil, and vibration), thus avoiding physical damage, short circuits, and electrical faults. Simultaneously, the sheath material typically possesses excellent insulation properties, ensuring that current flows only along the designed path, increasing circuit safety. 2) During vehicle use, cars experience various road conditions and climates. Wiring harness sheaths need to possess high abrasion resistance and anti-aging capabilities to maintain their physical properties and protective effects over the long term. This helps extend the lifespan of the wiring harness and reduce repair and replacement costs due to aging or wear. 3) Wiring harness sheaths not only protect individual wires but also bundle multiple wires together, making the wiring harness neater and more organized. This helps reduce the space occupied by the wiring harness inside the vehicle, improves assembly efficiency, and facilitates subsequent maintenance and repair work.

[0003] Traditional automotive wiring harness sheath fixing devices have shortcomings in use. First, their clamps cannot meet the clamping and fixing requirements of automotive wiring harness sheaths with different outer diameters. Second, when the redundant length of the automotive wiring harness sheath is large, the redundant length cannot be reduced by misaligning the clamps. Therefore, optimization and improvement are needed. Summary of the Invention

[0004] The purpose of this utility model is to overcome the above-mentioned problems existing in the traditional technology and to provide a fixing device for automotive wiring harness sheaths.

[0005] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution:

[0006] A fixing device for automotive wiring harness sheaths includes a mounting plate and a plurality of clamps disposed thereon;

[0007] The mounting plate includes a vertical plate, and perforated protrusions are provided at the four corners of the back side of the vertical plate. Several vertical grooves are arranged side by side on the vertical plate, and several binding through holes that are staggered from the positions of the vertical grooves are evenly distributed on the vertical plate.

[0008] The clamp includes a vertical box, a sliding column, a locking nut, an adjusting screw, a movable block, and clamping plates. The sliding column is fixed at the center of the back side of the vertical box, and a locking nut is screwed onto the outer side of the sliding column. The front side of the vertical box is open, and an adjusting screw is installed through the vertical box. The adjusting screw has two screw sections with opposite directions of rotation. A movable block is sleeved on the outer side of each screw section. Several clamping plates with staggered positions are installed on the outer ends of the two movable blocks. The clamping plates on different sides have semi-circular convex arches facing opposite directions.

[0009] Furthermore, in the aforementioned fixing device for automotive wiring harness sheaths, the cross-section of the vertical slide groove is cross-shaped, and a limiting protrusion ring is provided on the outer side of the slide post to prevent its axial displacement. The slide post and the limiting protrusion ring slide together in the vertical slide groove, while the slide post and the limiting protrusion ring can rotate in the vertical slide groove with their own axis as the center line.

[0010] Furthermore, in the aforementioned fixing device for automotive wiring harness sheaths, the surface of the sliding column located outside the limiting protrusion ring is provided with external threads, the interior of the locking nut is provided with an internal thread groove that mates with the external threads, and the outer side of the locking nut is provided with a protective protrusion that facilitates manual twisting.

[0011] Furthermore, in the aforementioned fixing device for automotive wiring harness sheaths, the movable block is slidably restricted within the inner cavity of the vertical box, the vertical box has symmetrically provided guide protrusions on both sides, the movable block has a guide groove that mates with the guide protrusions, and the middle of the movable block has a screw groove that mates with the corresponding screw section.

[0012] Furthermore, in the aforementioned fixing device for automotive wiring harness sheaths, a rotary handle is installed at the outer end of the adjusting screw, and a rotating groove that mates with the adjusting screw is provided on the bottom surface of the inner cavity of the vertical box.

[0013] Furthermore, in the aforementioned fixing device for automotive wiring harness sheaths, the bottom end of the adjusting screw is provided with an inverted T-shaped rotating head that is movable and restricted in a rotating groove.

[0014] Furthermore, in the aforementioned fixing device for automotive wiring harness sheaths, the distance between two adjacent vertical grooves in the mounting plate is greater than the length of the vertical box.

[0015] Furthermore, in the aforementioned fixing device for automotive wiring harness sheaths, all components in the mounting plate and clamp are made of engineering plastic materials.

[0016] The beneficial effects of this utility model are:

[0017] This utility model features a rationally designed structure. It mounts several rows of clamps via a mounting plate. Each clamp mainly consists of a vertical box, a sliding column, a locking nut, an adjusting screw, movable blocks, and clamping plates. The sliding column and locking nut enable sliding, rotation, and locking operations once the position is determined. The adjusting screw drives the relative displacement of two movable blocks, allowing the clamping plates with semi-circular arches to approach each other. Because the clamping plates are staggered, the semi-circular arches can intersect, thus meeting the clamping and fixing requirements of automotive wiring harness sleeves with different outer diameters. When the redundant length of the automotive wiring harness sleeve is large, adjusting adjacent clamps to higher and lower positions respectively increases the path travel of the wiring harness sleeve between the clamps, reducing the redundant length. Furthermore, binding through holes can be used to bind and reinforce the redundant automotive wiring harness sleeve, ensuring reliable fixing.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the above advantages at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a side view of the entire utility model;

[0022] Figure 3 This is a schematic diagram of the mounting plate in this utility model;

[0023] Figure 4 This is a cross-sectional schematic diagram of the mounting plate in this utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the clamp of this utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the clamp of this utility model after omitting the vertical box;

[0026] In the attached diagram, the components represented by each number are as follows:

[0027] 1-Mounting plate, 101-Vertical plate, 102-Perforated convex plate, 103-Vertical groove, 104-Binding through hole;

[0028] 2-Clamper, 201-Vertical box, 202-Sliding column, 203-Locking nut, 204-Adjusting screw, 205-Moving block, 206-Clamping plate, 207-Semi-circular convex arch. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0030] like Figures 1-6 As shown, this embodiment provides a fixing device for an automotive wiring harness sheath, including a mounting plate 1 and a plurality of clamps 2 disposed thereon.

[0031] In this embodiment, the mounting plate 1 includes a vertical plate 101. The four corners of the back side of the vertical plate 101 are provided with perforated protrusions 102. Several vertical grooves 103 are arranged side by side on the vertical plate 101. Several binding through holes 104 are evenly distributed on the vertical plate 101, which are offset from the positions of the vertical grooves 103.

[0032] In this embodiment, the clamp 2 includes a vertical box 201, a sliding column 202, a locking nut 203, an adjusting screw 204, a movable block 205, and a clamping plate 206. The sliding column 202 is fixed at the center of the back side of the vertical box 201, and the locking nut 203 is screwed onto the outer side of the sliding column 202. The front side of the vertical box 201 is open, and the adjusting screw 204 is installed through the vertical box 201. The adjusting screw 204 has two screw sections with opposite rotation directions, and a movable block 205 is sleeved on the outer side of each screw section. Several clamping plates 206 with staggered positions are installed on the outer ends of the two movable blocks 205, and semi-circular arches 207 facing opposite directions are provided on the clamping plates 206 on different sides.

[0033] In this embodiment, the cross-section of the vertical slide groove 103 is cross-shaped, and the outer side of the slide column 202 is provided with a limiting protrusion to prevent its axial displacement. The slide column 202 and the limiting protrusion together slide and restrict the vertical slide groove 103. At the same time, the slide column 202 and the limiting protrusion can rotate in the vertical slide groove 103 with their own axis as the center line.

[0034] In this embodiment, the sliding column 202 has an external thread on its surface outside the limiting protrusion ring, the locking nut 203 has an internal thread groove that mates with the external thread, and the outer side of the locking nut 203 has a protective protrusion that facilitates manual twisting.

[0035] In this embodiment, the movable block 205 is slidably restricted within the inner cavity of the vertical box 201. The vertical box 201 has symmetrical guide protrusions on both sides. The movable block 205 has guide grooves that cooperate with the guide protrusions. The middle part of the movable block 205 has a screw groove that cooperates with the corresponding screw segment.

[0036] In this embodiment, a handle is installed at the outer end of the adjusting screw 204, and a rotating groove is provided on the bottom surface of the inner cavity of the vertical box 201 to cooperate with the adjusting screw 204. The bottom end of the adjusting screw 204 is provided with an inverted T-shaped rotating head that is movable and restricted in the rotating groove.

[0037] In this embodiment, the distance between two adjacent vertical grooves 103 in the mounting plate 1 is greater than the length of the vertical box 201.

[0038] In this embodiment, all components in the mounting plate 1 and the clamp 2 are made of engineering plastic materials.

[0039] A specific application of this embodiment is as follows: This device mounts several rows of clamps 2 via a mounting plate 1. Each clamp 2 mainly consists of a vertical box 201, a sliding column 202, a locking nut 203, an adjusting screw 204, movable blocks 205, and clamping plates 206. The sliding column 202 and locking nut 203 are used to achieve sliding, rotation, and locking operations after the position is determined. The adjusting screw 204 drives the two movable blocks 205 to move relative to each other, allowing the clamping plates 206 with semi-circular arches 207 to approach each other. Because the positions of the clamping plates 206 are staggered, the semi-circular arches 207 can intersect each other, thus meeting the clamping and fixing requirements of automotive wiring harness sheaths with different outer diameters. When the redundant length of the automotive wiring harness sheath is large, by adjusting adjacent clamps 2 to high and low positions respectively, the path travel of the automotive wiring harness sheath between the clamps 2 can be increased, thereby reducing the redundant length. In addition, the binding through-hole 104 can be used to bind and reinforce redundant automotive wiring harness sheaths to ensure reliable fixation.

[0040] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to specific implementation methods. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fixing device for automotive wiring harness sheaths, characterized in that, Includes a mounting plate and several clamps mounted thereon; The mounting plate includes a vertical plate, and perforated protrusions are provided at the four corners of the back side of the vertical plate. Several vertical grooves are arranged side by side on the vertical plate, and several binding through holes that are staggered from the positions of the vertical grooves are evenly distributed on the vertical plate. The clamp includes a vertical box, a sliding column, a locking nut, an adjusting screw, a movable block, and clamping plates. The sliding column is fixed at the center of the back side of the vertical box, and a locking nut is screwed onto the outer side of the sliding column. The front side of the vertical box is open, and an adjusting screw is installed through the vertical box. The adjusting screw has two screw sections with opposite directions of rotation. A movable block is sleeved on the outer side of each screw section. Several clamping plates with staggered positions are installed on the outer ends of the two movable blocks. The clamping plates on different sides have semi-circular convex arches facing opposite directions.

2. The fixing device for an automotive wiring harness sheath according to claim 1, characterized in that, The vertical slide groove has a cross-shaped cross section. The outer side of the slide column is provided with a limiting protrusion to prevent its axial displacement. The slide column and the limiting protrusion together slide and restrict the vertical slide groove. At the same time, the slide column and the limiting protrusion can rotate in the vertical slide groove with their own axis as the center line.

3. The fixing device for an automotive wiring harness sheath according to claim 2, characterized in that, The sliding column has an external thread on its surface outside the limiting ring, the locking nut has an internal thread groove that mates with the external thread, and the locking nut has a protective protrusion on its outer side that facilitates manual turning.

4. The fixing device for an automotive wiring harness sheath according to claim 3, characterized in that, The movable block slides within the inner cavity of the vertical box. The vertical box has symmetrical guide protrusions on both sides. The movable block has guide grooves that cooperate with the guide protrusions. The middle of the movable block has a screw groove that cooperates with the corresponding screw section.

5. The fixing device for an automotive wiring harness sheath according to claim 4, characterized in that, A rotary handle is installed at the outer end of the adjusting screw, and a rotating groove that mates with the adjusting screw is opened on the bottom surface of the inner cavity of the vertical box.

6. The fixing device for an automotive wiring harness sheath according to claim 5, characterized in that, The bottom end of the adjusting screw is provided with an inverted T-shaped rotating head that is movable and restricted in a rotating groove.

7. The fixing device for an automotive wiring harness sheath according to claim 6, characterized in that, The distance between two adjacent vertical grooves in the mounting plate is greater than the length of the vertical box.

8. The fixing device for an automotive wiring harness sheath according to claim 7, characterized in that, All components in the mounting plate and clamp are made of engineering plastic materials.