Wire harness fixing support

Abstract

The present application belongs to the technical field of wire harness arrangement, and discloses a wire harness fixing support, which comprises a fixing body and an elastic limiting structure. At least one arc-shaped wire slot is arranged on the fixing body, and the bending radius of the arc-shaped wire slot is not less than a set bending radius value at which the fixed wire harness can normally transmit signals. The elastic limiting structure is protruded on the side wall of the arc-shaped wire slot, and the elastic limiting structure is provided with one or more. The elastic limiting structure can be elastically deformed between an avoiding state in which the fixed wire harness is allowed to enter the arc-shaped wire slot and a limiting state in which the fixed wire harness is blocked from coming out of the arc-shaped wire slot. The arc-shaped wire slot can guide the fixed wire harness according to the running direction of the fixed wire harness, and ensure that the bending radius of the fixed wire harness meets the technical requirements. The elastic limiting structure can limit the fixed wire harness from coming out of the arc-shaped wire slot, and ensure that the fixed wire harness is always located in the arc-shaped wire slot, thereby avoiding the phenomenon that signal transmission is interrupted due to vehicle bumping.

Description

Technical Field

[0001] This invention relates to the field of wire harness arrangement technology, and in particular to a wire harness fixing bracket. Background Technology

[0002] As the level of automotive intelligence continues to increase, functions such as intelligent driving, intelligent cockpit, and intelligent connectivity are gradually being applied to vehicles. As a result, the number of domain controllers and cameras in vehicles is also increasing, and the demand for high-speed transmission between controllers is getting higher and higher. Correspondingly, there are more and more high-speed transmission harnesses installed in vehicles, such as 100 Mbps Ethernet harnesses, Gigabit Ethernet harnesses, video transmission harnesses, and antenna feeder harnesses.

[0003] High-speed transmission harnesses require a large bending radius to ensure reliable transmission. However, in actual vehicles, due to space constraints, high-speed transmission harnesses are typically bundled together with low-voltage harnesses during production, requiring branching during installation.

[0004] like Figure 1 As shown, the first high-speed transmission line 20' is led out from the left side of the main trunk wire harness 40' by the wire harness 10', and the second high-speed transmission line 30' is led out to the right side of the main trunk wire harness 40'. The wire harness needs to be bundled and fixed at the branch positions. When bundling and fixing, because multiple wire harnesses are intertwined, it is difficult to ensure that the bending radius of the high-speed transmission line meets the technical requirements. As a result, the bending radius of the high-speed transmission line is less than the set value, which leads to poor transmission signal quality and causes a series of problems such as screen flickering and distorted display on the vehicle display screen. The reliability of the intelligent components in the vehicle is difficult to guarantee. Summary of the Invention

[0005] The purpose of this invention is to provide a wire harness fixing bracket that can ensure that the bending radius of the high-speed transmission line meets the technical requirements, is stable and reliable, and ensures excellent signal transmission quality of the high-speed transmission line.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] A wire harness fixing bracket is provided, comprising:

[0008] A fixed body is provided with at least one arc-shaped wire groove, and the bending radius of the arc-shaped wire groove is not less than the set bending radius value that allows the fixed wire harness to transmit signals normally.

[0009] An elastic limiting structure is provided on the side wall of the arc-shaped wire groove, and one or more elastic limiting structures are provided. The elastic limiting structure can elastically deform between a clearance state that allows the fixed wire harness to enter the arc-shaped wire groove and a limiting state that prevents the fixed wire harness from coming out of the arc-shaped wire groove.

[0010] As a preferred embodiment of the wire harness fixing bracket provided by the present invention, the two opposite groove walls of the arc-shaped wire groove are provided with cable tie slots along the width direction. The cable tie slots are configured to be used to insert binding cables, and the binding cables are used to bind the wire harness.

[0011] As a preferred embodiment of the wire harness fixing bracket provided by the present invention, the end of the elastic limiting structure away from the side wall of the arc-shaped wire groove is inclined toward the bottom wall of the arc-shaped wire groove, and the end of the elastic limiting structure away from the side wall of the arc-shaped wire groove is provided with a first arc structure.

[0012] As a preferred embodiment of the wire harness fixing bracket provided by the present invention, a limiting strip is protruding on the side wall of the arc-shaped wire groove. The limiting strip extends along the depth direction of the arc-shaped wire groove, and the side of the limiting strip away from the side wall of the arc-shaped wire groove is arc-shaped.

[0013] As a preferred embodiment of the wire harness fixing bracket provided by the present invention, a guide slope is provided at the end of the limiting strip away from the bottom wall of the arc-shaped wire groove.

[0014] As a preferred embodiment of the wire harness fixing bracket provided by the present invention, the fixing body has an arc-shaped structure and the arc of the arc-shaped wire groove is consistent with that of the arc-shaped wire groove. The arc-shaped wire groove is provided on both opposite sides of the fixing body.

[0015] As a preferred embodiment of the wire harness fixing bracket provided by the present invention, the fixing body has reinforcing ribs on both outer walls that are opposite each other along the width direction.

[0016] As a preferred embodiment of the wire harness fixing bracket provided by the present invention, the fixing body is provided with end reinforcement structures at both ends along its extension direction.

[0017] As a preferred embodiment of the wire harness fixing bracket provided by the present invention, a second arc structure is provided at both slots along the extension direction of the arc-shaped wire groove.

[0018] As a preferred embodiment of the wire harness fixing bracket provided by the present invention, the bottom wall of the arc-shaped wire groove is provided with a through hole.

[0019] The beneficial effects of this invention are:

[0020] This invention provides a wire harness fixing bracket. By setting an arc-shaped wire groove, the fixed wire harness can be guided according to its routing, facilitating branch routing. Because the fixed wire harness is inserted into the arc-shaped wire groove, the bending radius of the fixed wire harness during branch reversal can be ensured to be no less than the set bending radius value for normal signal transmission, guaranteeing excellent signal transmission quality and preventing malfunctions of intelligent components. Furthermore, after the fixed wire harness is inserted into the arc-shaped wire groove, the elastic limiting structure returns to its original shape, preventing the fixed wire harness from falling out of the arc-shaped wire groove and ensuring that the fixed wire harness remains within the arc-shaped wire groove, avoiding signal transmission interruption due to vehicle bumps. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of wire harness branching in the prior art;

[0022] Figure 2 This is a first view of the wire harness fixing bracket provided in a specific embodiment of the present invention;

[0023] Figure 3 This is a second view of the wire harness fixing bracket provided in a specific embodiment of the present invention;

[0024] Figure 4 This is a third view of the wire harness fixing bracket provided in a specific embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of fixing a wire harness using the wire harness fixing bracket provided by the present invention.

[0026] Figure 1 middle:

[0027] 10′, Wire harness bundle; 20′, First high-speed transmission line; 30′, Second high-speed transmission line; 40′, Main trunk wire harness.

[0028] Figures 2 to 5 middle:

[0029] 1. Fixed body; 2. Elastic limiting structure; 3. Limiting strip; 4. Reinforcing rib structure; 5. End reinforcing structure;

[0030] 11. Arc-shaped wire groove; 12. Cable tie clip; 13. Second arc structure; 14. Perforation;

[0031] 21. First circular arc structure;

[0032] 31. Guide ramp;

[0033] 100. Branch harness; 200. Main harness; 300. Cable tie;

[0034] 101. First high-speed transmission line; 102. Second high-speed transmission line. Detailed Implementation

[0035] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0036] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0037] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0038] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

[0039] like Figure 2 , Figure 3 as well as Figure 4 As shown, this embodiment provides a wire harness fixing bracket, including a fixing body 1 and an elastic limiting structure 2.

[0040] See Figure 2 , Figure 3 as well as Figure 4The fixing body 1 is provided with at least one arc-shaped wire groove 11, and the bending radius of the arc-shaped wire groove 11 is not less than the set bending radius value that allows the fixed wire harness to transmit signals normally. The fixed wire harness can be inserted into the arc-shaped wire groove 11. An elastic limiting structure 2 protrudes from the side wall of the arc-shaped wire groove 11, and one or more elastic limiting structures 2 are provided. The elastic limiting structure 2 can elastically deform between a clearance state that allows the fixed wire harness to enter the arc-shaped wire groove 11 and a limiting state that prevents the fixed wire harness from coming out of the arc-shaped wire groove 11.

[0041] The wire harness fixing bracket provided in this embodiment, by setting an arc-shaped wire groove 11, can guide the fixed wire harness according to the routing direction, which facilitates branch routing. Since the fixed wire harness is inserted into the arc-shaped wire groove 11, the bending radius of the fixed wire harness when branching can be ensured to be no less than the set bending radius value when it transmits signals normally, thus ensuring the high quality of signal transmission of the fixed wire harness and avoiding malfunctions in the normal function of intelligent components.

[0042] Furthermore, when the wire harness to be fixed is inserted into the arc-shaped wire groove 11, the elastic limiting structure 2 undergoes a slight elastic deformation toward the bottom wall of the arc-shaped wire groove 11, i.e., switches to an avoidance state, so that the wire harness to be fixed can smoothly enter the arc-shaped wire groove 11. After the wire harness to be fixed is inserted into the arc-shaped wire groove 11, the elastic limiting structure 2 returns to its original state, which can prevent the wire harness to be fixed from coming out of the arc-shaped wire groove 11, ensuring that the wire harness to be fixed is always located in the arc-shaped wire groove 11, and avoiding the phenomenon of signal transmission interruption due to vehicle bumps.

[0043] See Figure 2 Optionally, the two opposite walls of the arc-shaped wire channel 11 are each provided with a cable tie slot 12 along the width direction. The cable tie slot 12 is configured to engage a binding cable tie 300, which is used to bind the wire harness. After the wire harness is branched, it needs to be bound and fixed using the binding cable tie 300. The binding cable tie 300 wraps around the wire harness and engages in the cable tie slot 12, which can improve the firmness of the binding.

[0044] like Figure 5As shown, the fixed wire harness includes a first high-speed transmission line 101 and a second high-speed transmission line 102. The first high-speed transmission line 101 and the second high-speed transmission line 102 branch out from the bundled branch wire harness 100. The first high-speed transmission line 101 extends to the left and merges into the main wire harness 200, and the second high-speed transmission line 102 extends to the right and merges into the main wire harness 200. The first high-speed transmission line 101 and the second high-speed transmission line 102 are each fixed by a wire harness fixing bracket. Specifically, the first high-speed transmission line 101 is inserted into the arc-shaped conductor groove 11 of the left wire harness fixing bracket and is fixed to the main wire harness 200 by a binding strap 300; the second high-speed transmission line 102 is inserted into the arc-shaped conductor groove 11 of the right wire harness fixing bracket and is fixed to the main wire harness 200 by a binding strap 300.

[0045] After securing the wire harness with 300mm cable ties, use tape or other wrapping material to completely wrap the wire harness mounting bracket and the wire harness. This ensures that the bending radius of the high-speed transmission line at the branch point is fixed and the same as the bending radius of the wire harness mounting bracket. This prevents signal loss caused by an excessively small bending radius due to manufacturing defects. Furthermore, the wire harness mounting bracket can shape the wire harness, ensuring that the bending radius at the branch point always meets design requirements during transportation.

[0046] See Figure 2 Optionally, the end of the elastic limiting structure 2 away from the side wall of the arc-shaped wire groove 11 is inclined towards the bottom wall of the arc-shaped wire groove 11, so that the upper side of the elastic limiting structure 2 is an inclined surface, so that the fixed wire harness can smoothly enter the arc-shaped wire groove 11. In addition, since the elastic limiting structure 2 is inclined towards the bottom wall of the arc-shaped wire groove 11, its ability to elastically deform in the direction away from the bottom wall of the arc-shaped wire groove 11 is poor, and the fixed wire harness that has entered the arc-shaped wire groove 11 is difficult to detach.

[0047] Furthermore, the end of the elastic limiting structure 2 away from the side wall of the arc-shaped wire groove 11 is provided with a first arc structure 21 to avoid scratching the surface of the fixed wire harness.

[0048] See Figure 2 and Figure 3 Optionally, a limiting strip 3 is protruding from the side wall of the arc-shaped wire groove 11, and the limiting strip 3 extends along the depth direction of the arc-shaped wire groove 11. In this embodiment, limiting strips 3 are provided on both opposite side walls of the arc-shaped wire groove 11 to limit the shaking of the fixed wire harness in the width direction of the arc-shaped wire groove 11. Furthermore, the side of the limiting strip 3 away from the side wall of the arc-shaped wire groove 11 is arc-shaped to avoid scratching the surface of the wire harness when it comes into contact with and rubs against the fixed wire harness.

[0049] Furthermore, a guide slope 31 is provided at the end of the limiting strip 3 away from the bottom wall of the arc-shaped wire groove 11 to prevent the limiting strip 3 from reducing the size of the arc-shaped wire groove 11 and to ensure that the fixed wire harness enters the arc-shaped wire groove 11 more smoothly.

[0050] See Figure 2 , Figure 3 as well as Figure 4 In this embodiment, the fixing body 1 has an arc-shaped structure and the curvature is consistent with that of the arc-shaped wire groove 11. Arc-shaped wire grooves 11 are provided on both opposite sides of the fixing body 1, which can increase the capacity of the wire harness and fix two wire harnesses at the same time. The cross-section of the entire wire harness fixing bracket is H-shaped, which is compact and occupies little space.

[0051] In other embodiments, arc-shaped wire grooves 11 may be provided on the upper, lower, left, and right sides of the fixed body 1.

[0052] Optionally, see Figure 2 and Figure 3 The two outer walls of the fixed body 1, which are opposite each other along the width direction, are provided with reinforcing rib structures 4. That is, the left and right sides of the H-shaped wire harness fixing bracket are provided with reinforcing rib structures 4 to improve the strength of the wire harness fixing bracket and prevent deformation after long-term use.

[0053] Furthermore, the reinforcing rib structure 4 includes a first rib and a second rib in a cross shape, which effectively strengthen the wire harness fixing bracket along the length and width directions.

[0054] See Figure 2 and Figure 3 Optionally, the fixing body 1 is provided with end reinforcement structures 5 at both ends along its extension direction to further improve the strength of the wire harness fixing bracket. The end reinforcement structures 5 are connected to the reinforcing rib structure 4 to form a more robust reinforcement structure.

[0055] See Figure 2 The arc-shaped wire channel 11 has a second arc structure 13 at both openings along its extension direction. During vehicle operation, the bumps generated will cause the fixed wire harness to come into contact with and rub against the edge of the arc-shaped wire channel 11. By setting the second arc structure 13, it is possible to avoid sharp parts on the edge of the arc-shaped wire channel 11 that could easily scratch the fixed wire harness.

[0056] See Figure 4 The bottom wall of the arc-shaped wire channel 11 is provided with a through hole 14. The presence of this through hole 14 can reduce the amount of material used and reduce the manufacturing cost of the wire harness fixing bracket.

[0057] Optionally, in this embodiment, the wire harness fixing bracket is made of plastic and is a one-piece molded structural component, which is lightweight, has high strength, and has a certain elastic deformation capability.

[0058] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A wire harness fixing bracket, characterized in that, include: The fixed body (1) is provided with at least one arc-shaped wire groove (11), and the bending radius of the arc-shaped wire groove (11) is not less than the set bending radius value that the fixed wire harness can transmit signals normally. An elastic limiting structure (2) is provided on the side wall of the arc-shaped wire groove (11), and one or more elastic limiting structures (2) are provided. The elastic limiting structure (2) can elastically deform between a clearance state that allows the fixed wire harness to enter the arc-shaped wire groove (11) and a limiting state that prevents the fixed wire harness from coming out of the arc-shaped wire groove (11). The arc-shaped wire groove (11) has cable tie slots (12) on both opposite groove walls along the width direction. The cable tie slots (12) are configured to hold in a binding cable tie (300) for binding the wire harness. The end of the elastic limiting structure (2) away from the side wall of the arc-shaped wire groove (11) is inclined toward the bottom wall of the arc-shaped wire groove (11), and the end of the elastic limiting structure (2) away from the side wall of the arc-shaped wire groove (11) is provided with a first arc structure (21).

2. The wire harness fixing bracket according to claim 1, characterized in that, A limiting strip (3) is protruding on the side wall of the arc-shaped wire groove (11). The limiting strip (3) extends along the depth direction of the arc-shaped wire groove (11), and the side of the limiting strip (3) away from the side wall of the arc-shaped wire groove (11) is arc-shaped.

3. The wire harness fixing bracket according to claim 2, characterized in that, The limiting strip (3) has a guide slope (31) at one end away from the bottom wall of the arc-shaped guide groove (11).

4. The wire harness fixing bracket according to claim 1, characterized in that, The fixed body (1) has an arc-shaped structure and the arc of the arc-shaped wire groove (11) is consistent. The arc-shaped wire groove (11) is provided on both sides opposite to the fixed body (1).

5. The wire harness fixing bracket according to claim 4, characterized in that, The fixed body (1) has two outer walls with reinforcing ribs (4) on opposite sides along the width direction.

6. The wire harness fixing bracket according to claim 4, characterized in that, The fixed body (1) is provided with end reinforcement structures (5) at both ends along its extension direction.

7. The wire harness fixing bracket according to any one of claims 1-6, characterized in that, The arc-shaped conductor groove (11) has a second arc structure (13) at both openings along its extension direction.

8. The wire harness fixing bracket according to any one of claims 1-6, characterized in that, The bottom wall of the arc-shaped wire groove (11) is provided with a through hole (14).

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