Wire harness fixing device and vehicle

Abstract

The utility model provides a wire harness fixing device and a vehicle, and belongs to the technical field of vehicles, the wire harness fixing device comprises a first tube shell and a second tube shell, the first tube shell is provided with a first main guide part and two first branch guide parts, included angles formed by the directions of the branch wire harnesses restrained by the two first branch guide parts and the direction of the main wire harness restrained by the first main guide part are acute angles; the second tube shell is provided with a second main guide part and two second branch guide parts; the second main guiding part and the first main guiding part are clamped to form a main wire harness limiting hole, and the two second branch guiding parts and the two first branch guiding parts are clamped to form two branch wire harness limiting holes. According to the utility model, the problem of short circuit caused by abrasion and friction damage of the wire harness sheath can be avoided, the durability of the wire harness is improved, and potential safety hazards are reduced; and through the two branch wire harness limiting holes, the branch wire harnesses can be fixed at different angles, the fixing of the branch wire harnesses is facilitated, and the adaptability of the whole device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicles, and particularly relates to a wire harness fixing device and a vehicle equipped with the wire harness fixing device. Background Art

[0002] As cars become more intelligent and functional, the amount of wiring harnesses used in vehicles is also increasing. At present, wiring harnesses are mostly fixed by cable ties, wire clips, etc. This method of fixing wiring harnesses has many problems, as follows: (1) The fixing method of cable ties and wire clips can easily damage the wire clips and wire ties during installation, and may also cause scratches on the outer insulation layer of the wiring harness, making installation inconvenient; (2) It is inconvenient to disassemble. After being fixed, it is difficult to disassemble. Moreover, cable ties, wire clips, etc. will cause certain damage to the outer insulation layer of the wiring harness. Long-term use will cause the wiring harness to be damaged, resulting in poor contact or short circuit, etc., and is not conducive to later disassembly and maintenance; (3) In addition, the wiring harnesses are arranged densely in many places. When the vehicle is bumpy and shaken during driving, the wiring harnesses will also shake, causing interference and friction between the wiring harnesses, which seriously affects the durability of the outer layer of the wiring harness and poses certain safety hazards. Utility Model Content

[0003] The embodiments of the utility model provide a wiring harness fixing device and a vehicle, aiming to solve the problems that the current wiring harness fixing method is inconvenient to install and disassemble, easy to be damaged, has poor durability, and has safety hazards such as short circuit or poor contact.

[0004] In the first aspect, in order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a wire harness fixing device, comprising:

[0005] A first tube shell, comprising a first main guide portion and two first branch guide portions connected to the first main guide portion, wherein the angle a formed by the branch wire harness directions constrained by the two first branch guide portions and the main wire harness direction constrained by the first main guide portion is an acute angle; and the first main guide portion has a fixing structure fixed to a fixing member; and

[0006] The second tube shell has a second main guide portion and two second branch guide portions connected to the second main guide portion; the second main guide portion and the first main guide portion are clamped together by a first clamping structure to form a main wiring harness limiting hole, and the two second branch guide portions are respectively clamped together with the two first branch guide portions by a second clamping structure to form two branch wiring harness limiting holes; wherein, the first clamping structure and the second clamping structure are respectively arranged on both sides of the main wiring harness direction.

[0007] In combination with the first aspect, in one achievable manner, the first clamping structure includes a main clamping structure, the main clamping structure includes a first clamping interface arranged on the first main guide portion and a first clamping claw arranged on the second main guide portion, and the first clamping claw is clamped on the first clamping interface.

[0008] In combination with the first aspect, in one achievable manner, a main engaging groove is provided on the inner wall of the first card interface, and a first engaging protrusion engaged with the main engaging groove is provided on the first engaging claw.

[0009] In combination with the first aspect, in one feasible manner, the first clamping structure also includes an auxiliary clamping structure, which includes an auxiliary clamping groove arranged on the first main guide portion and a clamping rib arranged on the first clamping claw, and the clamping rib is inserted into the auxiliary clamping groove.

[0010] In combination with the first aspect, in one feasible manner, the first main guiding portion is provided with an outwardly protruding fixing portion, and the first card interface and the fixing structure are both provided on the outwardly protruding fixing portion; wherein the fixing structure includes the first card interface and a second card protrusion provided on the inner wall of the first card interface, and the second card protrusion and the main card slot are respectively provided on two inner walls opposite to the first card interface.

[0011] In combination with the first aspect, in one achievable manner, the second main guide portion is provided with an overlapping portion that can overlap the outer protruding fixing portion, and the first clamping claw is provided on the overlapping portion.

[0012] In combination with the first aspect, in one achievable manner, the second clamping structure includes a second clamping claw disposed on the first branch guide portion and a second clamping interface disposed on the second branch guide portion, and the second clamping claw is clamped on the second clamping interface.

[0013] In combination with the first aspect, in one feasible manner, a first connecting portion is provided between the two first branch guide portions, and a second connecting portion is provided between the two second branch guide portions, and the second connecting portion is affixed to the first connecting portion; wherein a limiting portion that can abut against the second connecting portion is also provided on the first connecting portion.

[0014] In combination with the first aspect, in one achievable manner, a first reinforcing rib extending to the first main guide portion is disposed on the first connection portion; and a second reinforcing rib extending to the second main guide portion is disposed on the second connection portion.

[0015] Compared with the prior art, the wire harness fixing device provided by the utility model has the following beneficial effects: (1) the wire harness is fixed by using a tube shell. During installation, the first tube shell is first fixed to the fixing member, the wire harness is arranged along the first tube shell, and then the second tube shell is clamped on the first tube shell to fix the wire harness. The installation is simple and convenient, and the wire harness is not easily damaged due to the protection of the tube shell. (2) During disassembly, only the second tube shell needs to be removed from the first tube shell to expose the wire harness. The disassembly is convenient, and the wire harness will not be touched due to the protection of the tube shell, which also avoids the problem of the wire harness being scratched and damaged. (3) Two tube shells are used. The shells are mutually snapped into each other to form a main wiring harness limiting hole to fix the main wiring harness, and the branch wiring harness is fixed through the branch wiring harness limiting hole. The wiring harness has a large contact area with the main wiring harness limiting hole and the branch wiring harness limiting hole, which provides good protection for the wiring harness and can avoid the problem of short circuit caused by wear and friction damage to the outer skin of the wiring harness, thereby improving the durability of the wiring harness and reducing safety hazards; (4) Through the two branch wiring harness limiting holes, the branch wiring harness can be fixed at different angles, which is convenient for fixing the branch wiring harness, improving the flexibility of the wiring harness fixing device and its adaptability to different functional wiring harnesses, meeting the needs of fixing different functional wiring harnesses, and improving the adaptability of the entire device.

[0016] In a second aspect, an embodiment of the utility model further provides a vehicle, comprising the wiring harness fixing device.

[0017] The vehicle provided by the utility model adopts the wire harness fixing device, which is simple and convenient to install and disassemble, and can improve the durability of the fixed wire harness, thereby improving the safety of the entire vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the exploded structure of the wiring harness fixing device provided by an embodiment of the utility model;

[0019] Figure 2 A schematic diagram of the top view of the wiring harness fixing device provided in an embodiment of the utility model;

[0020] Figure 3 For along Figure 2 The cross-sectional structure diagram along the AA line;

[0021] Figure 4 A schematic diagram of the structure of a branch wire harness of a wire harness fixing device provided by an embodiment of the utility model, in which the branch wire harness and the main wire harness are at an angle;

[0022] Figure 5 A schematic diagram of the structure of a wire harness fixed on a wire harness fixing device provided by an embodiment of the utility model;

[0023] Figure 6 A schematic diagram of the three-dimensional structure of a wiring harness fixing device provided in an embodiment of the utility model;

[0024] Figure 7 A schematic diagram of the three-dimensional structure of a first tube shell provided in an embodiment of the utility model;

[0025] Figure 8 A schematic diagram of the three-dimensional structure of the second tube shell provided in an embodiment of the utility model;

[0026] Description of reference numerals:

[0027] 1. Second main guide portion; 11. Overlap portion; 12. Second arc-shaped spiral rib; 2. Second branch guide portion; 3. Second connection portion; 31. Second reinforcement rib; 4. Spiral connector; 5. First connection portion; 51. Limiting portion; 6. First branch guide portion; 7. First main guide portion; 71. First arc-shaped spiral rib; 72. Outer convex fixing portion; 8. Fixing piece; 81. Clamping hole; 9. Second clamping structure; 91. Second clamping claw; 92. Second clamping interface; 10. First clamping structure; 101. First clamping claw; 102. Avoidance; 103. Auxiliary clamping groove; 104. First clamping interface; 105. Main clamping groove; 106. First clamping protrusion; 107. Second clamping protrusion; 108. Clamping rib; 12. Direction of main wiring harness; 13. Direction of branch wiring harness. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0029] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0030] Please also read Figures 1 to 8, the wire harness fixing device provided by the utility model is now described. The wire harness fixing device comprises a first tube shell and a second tube shell, the first tube shell has a first main guide portion 7 and two first branch guide portions 6 connected to the first main guide portion 7, the angle a formed by the branch wire harness direction 13 constrained by the two first branch guide portions 6 and the main wire harness direction 12 constrained by the first main guide portion 7 is an acute angle; the first main guide portion 7 has a fixing structure fixed to a fixing member 8; the second tube shell has a second main guide portion 1 and two second branch guide portions 2 connected to the second main guide portion 1; the second main guide portion 1 and the first main guide portion 7 are clamped together by a first clamping structure 10 to form a main wire harness limiting hole, and the two second branch guide portions 2 are respectively clamped together with the two first branch guide portions 6 by a second clamping structure 9 to form two branch wire harness limiting holes; wherein, the first clamping structure 10 and the second clamping structure 9 are respectively arranged on both sides of the main wire harness direction.

[0031] Compared with the prior art, the wire harness fixing device provided by the utility model has the following beneficial effects: (1) the wire harness is fixed by using a tube shell. During installation, the first tube shell is first fixed to the fixing member, the wire harness is arranged along the first tube shell, and then the second tube shell is clamped on the first tube shell to fix the wire harness. The installation is simple and convenient, and the wire harness is not easily damaged due to the protection of the tube shell. (2) During disassembly, only the second tube shell needs to be removed from the first tube shell to expose the wire harness. The disassembly is convenient, and the wire harness will not be touched due to the protection of the tube shell, which also avoids the problem of the wire harness being scratched and damaged. (3) Two tube shells are used. The shells are mutually snapped into each other to form a main wiring harness limiting hole to fix the main wiring harness, and the branch wiring harness is fixed through the branch wiring harness limiting hole. The wiring harness has a large contact area with the main wiring harness limiting hole and the branch wiring harness limiting hole, which provides good protection for the wiring harness and can avoid the problem of short circuit caused by wear and friction damage to the outer skin of the wiring harness, thereby improving the durability of the wiring harness and reducing safety hazards; (4) Through the two branch wiring harness limiting holes, the branch wiring harness can be fixed at different angles, which is convenient for fixing the branch wiring harness, improving the flexibility of the wiring harness fixing device and its adaptability to different functional wiring harnesses, meeting the needs of fixing different functional wiring harnesses, and improving the adaptability of the entire device.

[0032] It should also be noted that since the existing devices that use tube shells to fix the wire harnesses mostly have only one wire harness limiting hole and cannot adapt to the complex situation of the current line layout, the present application improves the flexibility and adaptability of the wire harness layout by setting multiple branch wire harness limiting holes on the first tube shell, and can reduce the number of wire harness fixing devices used. In addition, this tube shell type wire harness fixing device can also provide good protection for the branching parts of the main wire harness and the branch wire harness, thereby improving the safety performance of the control system.

[0033] The present application is fixed with the first tube shell and the fixing part 8. When the wiring harness needs to be fixed, the first tube shell is first fixed on the fixing part 8, the main wiring harness is arranged along the first main guide part 7, and the two branch wiring harnesses are arranged along the first branch guide part 6 respectively, and then the second main guide part 1 is clamped on the first main guide part 7, and the second branch guide part 2 is clamped on the first branch guide part 6 to realize the wiring harness branch fixation.

[0034] Among them, the main wiring harness limiting hole and the branch wiring harness limiting hole formed by the two tube shells being clamped together are both round holes adapted to the wiring harness; therefore, each main guide part and each branch guide part are provided with a semicircular hole.

[0035] Combination Figure 4 As shown, the angle a formed by the direction of the branch wiring harness constrained by the two first branch guide portions 6 and the direction of the main wiring harness constrained by the first main guide portion 7 is an acute angle. Therefore, the angle between the two first branch guide portions 6 can be an acute angle or an obtuse angle; at the same time, the direction of the branch wiring harness constrained by the two first branch guide portions 6 and the direction of the main wiring harness constrained by the first main guide portion 7 are in the same plane. At this time, the first tube shell serving as a fixing component forms a supporting plane abutting against the fixing member 8 to facilitate stable fixing of the wiring harness.

[0036] For example, the angle formed by the direction of the branch wire harness constrained by the first branch guide portion 6 and the direction of the main wire harness constrained by the first main guide portion 7 may be 30°, 45°, 60°, etc.

[0037] At this time, the two branch wiring harnesses set in the present application, each branch wiring harness limiting hole corresponds to a second clamping structure 9, so the two tube shells form a three-point clamping, the connection line of the three-point clamping positions forms an isosceles triangle, and the clamping points are evenly arranged, ensuring the stability of the wiring harness after the two tube shells are clamped. Among them, the two second clamping structures 9 are symmetrically distributed with the straight line passing through the first clamping structure 10 and perpendicular to the main limiting hole of the wiring harness as the symmetry axis.

[0038] Of course, the angles formed by the two first branch guides 6 and the first main guide 7 can also be different, and can be designed according to the direction of the branch wire harness and the use position of the wire harness fixing device. For example, the angle of one first branch guide 6 is 30°, and the angle of the other can be 45°. In this case, the connecting line of the three-point clamping position can form an isosceles triangle, which can also ensure the stability and firmness of the wire harness fixing.

[0039] In some embodiments, see Figures 1 to 8As shown, the first clamping structure 10 includes a main clamping structure, and the main clamping structure includes a first clamping interface 104 provided on the first main guide portion 7 and a first clamping claw 101 provided on the second main guide portion 1, and the first clamping claw 101 is clamped on the first clamping interface 104. Optionally, the first clamping interface 104 can also be arranged on the second main guide portion 1, and in this case, the first clamping claw 101 is arranged on the first main guide portion 7. The clamping method is simple and convenient to connect. After clamping, the clamping claw extends into the clamping interface, and the end faces of the two tube shells fit together to form a closed main harness limiting hole and a branch harness limiting hole, thereby avoiding the risk of the harness being scratched and damaged.

[0040] In some embodiments, see Figures 1 to 8 As shown, a main clamping groove 105 is provided on the inner wall of the first clamping interface 104, and a first clamping protrusion 106 is provided on the first clamping claw 101 to be clamped with the main clamping groove 105. In the clamping structure, the first clamping claw 101 is integrally formed on the first main guide portion 7, and the free end of the first clamping claw 101 is in a suspended state, so it has a certain resilience. When clamping, the first clamping claw 101 moves into the first clamping interface 104, and the first clamping protrusion 106 contacts the inner wall of the first clamping interface 104 and pushes the first clamping claw 101 away from the inner wall, so that the first clamping claw 101 is deformed and obtains elastic force. When the first clamping protrusion 106 moves to the position of the main clamping groove 105, due to the avoidance of the main clamping groove 105, the first clamping claw 101 is reset to the initial suspension state under the action of the elastic force, so that the first clamping protrusion 106 forms an abutment with the side wall of the main clamping groove 105, and the clamping connection is realized.

[0041] In some embodiments, see Figures 1 to 8 As shown, the first clamping structure 10 also includes an auxiliary clamping structure, which includes an auxiliary clamping groove 103 provided on the first main guide portion 7 and a clamping rib provided on the first clamping claw 101, and the clamping rib is inserted into the auxiliary clamping groove 103. When the first clamping claw 101 moves toward the first clamping interface 104, the clamping rib also moves toward the auxiliary clamping groove 103 synchronously. The clamping of the first clamping structure 10 can realize the limitation of the second tube shell along the vertical direction perpendicular to the direction of the main wire harness, and the direction along the direction of the main wire harness can be limited by the auxiliary clamping structure, so as to realize the reliable connection between the second tube shell and the first tube shell.

[0042] Alternatively, see Figure 7 and Figure 8 As shown, two auxiliary clamping grooves 103 are provided on the first main guide portion 7, and correspondingly, two clamping ribs 108 are provided on the first clamping claw 101. At this time, an avoidance opening 102 for avoiding the isolation block formed between the two auxiliary clamping grooves 103 needs to be provided on the second main guide portion 1, so that the clamping rib 108 can be clamped into the auxiliary clamping groove 103.

[0043] In some embodiments, see Figure 7 and Figure 8 As shown, the first main guide portion 7 is provided with an outer protruding fixing portion 72, and the first card interface 104 and the fixing structure are both provided on the outer protruding fixing portion 72; wherein the fixing structure includes the first card interface 104 and a second card protrusion 107 provided on the inner wall of the first card interface 104, and the second card protrusion 107 and the main card connection groove 105 are respectively provided on two inner walls opposite to the first card interface 104. The fixing structure of the present application shares the first card interface 104 with the first card connection structure 10, reducing the number of card interfaces provided, thereby reducing the volume of the first tube shell. wherein the fixing member 8 is provided with a card hole 81 that is engaged with the second card protrusion 107.

[0044] The first tube shell is fixed to the fixing member 8 by a clamping method or by a detachable bolting method, wherein the fixing member can be integrated with the vehicle body or fixed to the vehicle body by a clamping or screwing method.

[0045] In some embodiments, see Figures 1 to 8 As shown, the second main guide portion 1 is provided with an overlap portion 11 that can overlap the convex fixing portion 72, and the first clamping claw 101 is provided on the overlap portion 11. Since the first main guide portion 7 needs to be fixed on the fixing member 8, the convex fixing portion 72 is constructed. At this time, the second main guide portion 1 is provided with an extended overlap portion 11, and a large area of ​​contact is formed between the overlap portion 11 and the convex fixing portion 72, thereby improving the firmness of the second tube shell fixation.

[0046] In some embodiments, see Figures 1 to 8 As shown, the second clamping structure 9 includes a second clamping claw 91 provided on the first branch guide portion 6 and a second clamping interface 92 provided on the second branch guide portion 2, and the second clamping claw 91 is clamped on the second clamping interface 92. Optionally, the second clamping claw 91 is provided on the second branch guide portion 2, and the second clamping interface 92 is provided on the first branch guide portion 6.

[0047] In some embodiments, see Figures 1 to 8 As shown, a first connection portion 5 is provided between the two first branch guide portions 6, a second connection portion 3 is provided between the two second branch guide portions 2, and the second connection portion 3 is attached to the first connection portion 5; wherein, a stopper 51 that can abut against the second connection portion 3 is also provided on the first connection portion 5. The two first branch guide portions 6 are connected as a whole through the first connection portion 5, so as to improve the support strength of the branch harness portion, thereby ensuring that the branch harness is routed along the set direction and avoiding interference with the surrounding harnesses.

[0048] In some embodiments, see Figures 1 to 8As shown, the first connection part 5 is provided with a first reinforcing rib extending to the first main guide part 7; the second connection part 3 is provided with a second reinforcing rib 31 extending to the second main guide part. The provided reinforcing ribs further improve the rigidity and anti-deformation performance of the device, ensuring that the wiring harness is arranged along the designed route without displacement due to the bumps and vibrations of the vehicle. The first reinforcing rib and the second reinforcing rib 31 have the same structure.

[0049] In order to ensure the safety performance of the wiring harness, the heat dissipation performance of the wiring harness is also a factor that needs to be considered in this device. In this application, arc-shaped spiral ribs (combined with Figure 3 , Figure 7 and Figure 8 ), taking the first arc-shaped spiral rib 71 arranged in the first main guide portion 7 as an example, the first arc-shaped spiral rib 71 is arranged at both ends of the first main guide portion 7 along the direction of the main wiring harness, forming two-end support for the main wiring harness, and correspondingly, the second main guide portion 1 is provided with a second arc-shaped spiral rib 12, so that in the main wiring harness limiting hole, the wiring harness only forms a line contact with the arc-shaped spiral rib, and a through heat dissipation space is formed between the wiring harness and the hole wall of the main wiring harness limiting hole, so that the heat of the wiring harness can be transferred to the outside of the tube shell in time, and the tube shell serves as a protection for the wiring harness. The arc-shaped spiral ribs at both ends can realize the control of the direction of the wiring harness and the fixation of the wiring harness; and since connectors may be needed in each branch guide portion, spiral limiting ribs are also arranged in each branch guide portion, which can cooperate with the spiral connector 4, have a limiting effect on the spiral connector 4, and can improve the firmness of the branch wiring harness connection.

[0050] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0051] Based on the same inventive concept, an embodiment of the present application also provides a vehicle, including the wiring harness fixing device.

[0052] The vehicle provided by the utility model can improve the durability of the fixed wire harness and thus improve the safety of the whole vehicle because the wire harness fixing device is adopted.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wire harness fixing device, characterized in that: include: A first tube shell comprises a first main guide portion (7) and two first branch guide portions (6) connected to the first main guide portion (7), wherein the angle a formed by the branch wire harness directions (13) constrained by the two first branch guide portions (6) and the main wire harness direction (12) constrained by the first main guide portion (7) are both acute angles; the first main guide portion (7) has a fixing structure fixed to a fixing member (8); and The second tube shell comprises a second main guide portion (1) and two second branch guide portions (2) connected to the second main guide portion (1); the second main guide portion (1) and the first main guide portion (7) are clamped together by a first clamping structure (10) to form a main wiring harness limiting hole, and the two second branch guide portions (2) are respectively clamped together with the two first branch guide portions (6) by a second clamping structure (9) to form two branch wiring harness limiting holes; wherein the first clamping structure (10) and the second clamping structure (9) are respectively arranged on both sides of the main wiring harness direction (12).

2. The wire harness fixing device according to claim 1, characterized in that: The first clamping structure (10) comprises a main clamping structure, the main clamping structure comprises a first clamping interface (104) arranged on the first main guide portion (7) and a first clamping claw (101) arranged on the second main guide portion (1), the first clamping claw (101) being clamped on the first clamping interface (104).

3. The wire harness fixing device according to claim 2, characterized in that: A main clamping groove (105) is provided on the inner wall of the first clamping interface (104), and a first clamping protrusion (106) clamped with the main clamping groove (105) is provided on the first clamping claw (101).

4. The wire harness fixing device according to claim 2, characterized in that: The first clamping structure (10) further comprises an auxiliary clamping structure, the auxiliary clamping structure comprising an auxiliary clamping groove (103) arranged on the first main guide portion (7) and a clamping rib (108) arranged on the first clamping claw (101), the clamping rib (108) being inserted into the auxiliary clamping groove (103).

5. The wire harness fixing device according to claim 3, characterized in that: The first main guide portion (7) is provided with an external convex fixing portion (72), and the first card interface (104) and the fixing structure are both arranged on the external convex fixing portion (72); wherein the fixing structure comprises the first card interface (104) and a second card protrusion (107) arranged on the inner wall of the first card interface (104), and the second card protrusion (107) and the main card slot (105) are respectively arranged on two inner walls opposite to each other of the first card interface (104).

6. The wire harness fixing device according to claim 5, characterized in that: The second main guide portion (1) is provided with an overlapping portion (11) that can overlap the outer convex fixing portion (72), and the first clamping claw (101) is provided on the overlapping portion (11).

7. The wire harness fixing device according to claim 1, characterized in that: The second clamping structure (9) comprises a second clamping claw (91) arranged on the first branch guide portion (6) and a second clamping interface (92) arranged on the second branch guide portion (2), and the second clamping claw (91) is clamped on the second clamping interface (92).

8. The wire harness fixing device according to claim 1, characterized in that: A first connecting portion (5) is provided between the two first branch guide portions (6), and a second connecting portion (3) is provided between the two second branch guide portions (2), wherein the second connecting portion (3) is attached to the first connecting portion (5); wherein a limiting portion (51) capable of abutting against the second connecting portion (3) is also provided on the first connecting portion (5).

9. The wire harness fixing device according to claim 8, characterized in that: The first connecting portion (5) is provided with a first reinforcing rib extending to the first main guide portion (7); and the second connecting portion (3) is provided with a second reinforcing rib (31) extending to the second main guide portion (1).

10. A vehicle, characterized in that: The invention comprises a wire harness fixing device as claimed in any one of claims 1 to 9.

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