Automobile wire harness fixing device

Abstract

The invention discloses an automobile wire harness fixing device, and relates to the technical field of automobile wire harness fixing.The automobile wire harness fixing device comprises a plurality of clamping assemblies, each clamping assembly comprises a bottom plate, and the top of each bottom plate is symmetrically and movably connected with two moving plates through first elastic pieces; two conical rollers are symmetrically and rotationally connected to the side faces, close to each other, of the two moving plates, and a clamping roller is connected to the top of the bottom plate. During use, the first hinge rod and the second hinge rod which are hinged to each other can be fixed through the arranged fixing mechanism so as to prevent the first hinge rod and the second hinge rod from moving, and then the two fixing plates are fixedly connected to a mounting surface in a vehicle, so that the positions of all the clamping assemblies can be fixed; therefore, each clamping assembly does not need to be fixedly connected to the in-vehicle mounting surface, the mounting operation of the fixing device is effectively simplified, and the convenience and practicability of the fixing device are improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile wiring harness fixing, in particular to an automobile wiring harness fixing device. Background Art

[0002] With the increase of automotive electronic functions, the layout of electronic wiring harnesses is a huge challenge. The layout and fixation of electronic wiring harnesses play an important role in the performance and reliability of the entire vehicle. If the layout or fixation of electronic wiring harnesses is unreasonable, it may produce abnormal noise or cause the malfunction of certain parts of the vehicle, seriously affecting driving safety. It will also cause great trouble to the subsequent vehicle maintenance work.

[0003] The existing method for fixing automobile wiring harnesses is to directly use cable ties and buckles to fix them at the bends of the wiring harnesses, or to directly use fixed wiring harness molds. However, the shapes of the wiring harness molds are fixed, and the automobile wiring harnesses will be gathered and entangled together in the wiring harness molds. When it is necessary to adjust or repair the target wiring harness, it is difficult to adjust or repair the target wiring harness individually because multiple wiring harnesses are gathered together. It is often necessary to cut the cable tie or open the buckle to find the target wiring harness from the gathered wiring harnesses for adjustment or repair, which brings great trouble to the adjustment or repair work of the wiring harness.

[0004] The Chinese invention patent with application number CN202410351615.2 records a centralized fixing device for automobile wiring harnesses, which controls the movement of the outer support rod and the outer transmission rack as well as the inner support rod and the inner transmission rack by attracting each other through the electromagnets 1 and 2 set up, thereby controlling the rotation of the outer transmission gear ring and the outer scissor plate as well as the inner transmission gear ring and the inner scissor plate, adjusting the pressure plate to clamp and fix all the wiring harnesses, and at the same time, controlling the extrusion shaft to press down, the pressure plate to loosen the wiring harness, and at the same time, using the mutual attraction of electromagnets 3 and 4, the wiring harness is pulled forward, and the length of both ends of the wiring harness is automatically adjusted. However, when installing the above-mentioned fixing device, each wiring harness pressure roller and the two adjustment movable frames need to be fixedly connected to the inner wall of the car to ensure the stability of the fixing device. However, due to the large number of wiring harness pressure rollers, this brings trouble to the installation work of the fixing device, reducing the practicality and convenience of the fixing device. Summary of the invention

[0005] The purpose of the present application is to provide a vehicle wiring harness fixing device to solve the problem that the existing wiring harness fixing device proposed in the above background technology is troublesome to install inside the vehicle, which reduces the practicality and convenience of the wiring harness fixing device.

[0006] To achieve the above purpose, the present application provides the following technical solution: an automobile wiring harness fixing device, comprising: A plurality of clamping assemblies, wherein the clamping assemblies include a bottom plate, the top of the bottom plate is symmetrically and movably connected to two moving plates through a first elastic member, two tapered rollers are symmetrically and rotatably connected to the adjacent sides of the two moving plates, and a clamping roller is connected to the top of the bottom plate, the clamping roller is located directly below the two tapered rollers and cooperates with the tapered inclined surfaces of the two tapered rollers to clamp the wire harness; A plurality of connection components, used to movably connect the plurality of clamping components together in sequence from left to right, the connection components comprising a first hinge rod and a second hinge rod, the first hinge rod and the second hinge rod are hinged together through a hinge shaft, the first hinge rod and the second hinge rod are hinged on the right side and the left side of the bottom plate respectively, the connection components comprising a fixing mechanism, the fixing mechanism is used to fix the hinged first hinge rod and the second hinge rod to prevent the two from moving; Two fixing plates are respectively hinged on the left end of the second hinged rod on the leftmost side and the right end of the first hinged rod on the rightmost side, and the fixing plates are fixedly connected to the inner wall of the automobile.

[0007] Preferably, the connecting component also includes a through cavity opened at the top of the first articulated rod, and the connecting component also includes two through grooves symmetrically opened on the front and rear inner walls of the through cavity, two moving blocks are symmetrically slidably connected in the two through grooves, the front and rear ends of the articulated shaft are symmetrically fixedly connected on the side surfaces of the two moving blocks that are close to each other, and the second articulated rod is rotatably sleeved on the articulated shaft. The advantage of such a setting is that the fixing device can adapt to more complex in-vehicle installation planes, thereby improving the reliability and practicality of the fixing device.

[0008] Preferably, the fixing mechanism includes two groups of limit grooves symmetrically opened on the inner top wall and the inner bottom wall of the through slot, the number of the limit grooves in each group is multiple and equidistantly distributed along the length direction of the through slot, the fixing mechanism also includes an installation cavity opened inside the movable block, two limit plates are symmetrically and movably connected on the inner top wall and the inner bottom wall of the installation cavity, the side surfaces of the two limit plates away from each other respectively penetrate the top wall and the bottom wall of the movable block and can be inserted into the limit grooves, the fixing mechanism also includes a pushing unit, the pushing unit is used to push the two limit plates to be inserted into the corresponding limit grooves respectively, the advantage of such a setting is that it can realize the fixation of the positions of multiple clamping components, ensure the stability of the position of the automobile wiring harness, and improve the reliability of the fixing device.

[0009] The lockhole that is formed on the two ends of the support frame is formed on the upper and lower ends of the support frame, and the lockhole that is formed on the two ends of the support frame is formed on the upper and lower ends of the support frame.

[0010] Preferably, the pushing unit also includes a hollow tube fixedly connected to the side of the moving block, the hollow tube movably sleeved on the outer circumferential surface of the push rod, a rotating tube rotatably sleeved on the outer circumferential surface of the hollow tube, a first torsion spring fixedly connected between the rotating tube and the side surfaces close to the moving block, two slides symmetrically fixedly connected on the outer circumferential surface of the push rod, two rectangular grooves symmetrically opened on the inner wall of the rotating tube, the two slides symmetrically slidably connected in the two rectangular grooves, the advantage of such an arrangement is that there is no need for staff to manually rotate and reset the push rod, which further simplifies the fixing operation and further improves the installation speed of the fixing device.

[0011] Preferably, the inclination of the tapered roller slope is not greater than forty-five degrees. The advantage of such a setting is that the distance between the tapered roller slope and the top of the clamping roller is within a reasonable range, thereby ensuring the limiting clamping effect and the guiding effect.

[0012] Preferably, a linkage assembly is also included, which can make the two tapered surfaces of the two tapered rollers and the outer peripheral surface of the clamping roller close to each other. The advantage of such an arrangement is that the effect of fixing the wire harness is improved, and the practicality and reliability of the fixing device are further improved.

[0013] Preferably, the linkage assembly includes a square groove opened at the top of the bottom plate, a sliding rod is fixedly connected between the front and rear inner walls of the square groove, two rectangular blocks are symmetrically and movably sleeved on the sliding rod, two rotating rods are symmetrically hinged on the tops of the two rectangular blocks, the tops of the two rotating rods are hinged to the same lifting plate, the clamping roller is fixedly connected to the top of the lifting plate, and the linkage assembly also includes two driving rods symmetrically and fixedly connected to the bottoms of the two movable plates, the two driving rods are respectively tightly pressed against the sides of the two rectangular blocks that are away from each other. The advantage of such an arrangement is that the operation of approaching the conical surfaces of the clamping roller and the two conical rollers is automatically completed, which further simplifies the clamping operation of the wire harness, ensures the clamping effect of the wire harness, and improves the practicability and convenience of the fixing device.

[0014] Preferably, the thickness of the fixing plate is not less than half the length of the first hinged rod, and the length of the first hinged rod is equal to the length of the second hinged rod. The advantage of such a setting is that it ensures that the fixing device has sufficient adaptability to the installation surface in the vehicle, thereby improving the reliability of the fixing device.

[0015] Preferably, the clamping assembly also includes two vertical plates symmetrically fixedly connected to the top of the base plate, and two groups of round rods are symmetrically and movably plugged into the adjacent sides of the two vertical plates, and the adjacent ends of the two groups of round rods are respectively fixedly connected to the two movable plates, and the first elastic member is fixedly connected between the adjacent sides of the vertical plate and the movable plate. The advantage of such a setting is that the two conical rollers can move toward each other stably, thereby ensuring that the wiring harness can be conveniently and smoothly clamped between the two conical rollers and the wiring harness can be kept clamped.

[0016] In summary, the technical effects and advantages of the present invention are as follows: 1. In the present invention, the first hinged rod and the second hinged rod, which are hinged to each other, are fixed by a fixing mechanism to prevent the two from moving, and then the two fixing plates are fixedly connected to the mounting surface inside the vehicle, so that the positions of all clamping components can be fixed, and there is no need to fix each clamping component to the mounting surface inside the vehicle, which effectively simplifies the installation operation of the fixing device and improves the convenience and practicality of the fixing device.

[0017] 2. In the present invention, by setting up a fixing mechanism, the staff only needs to push the push rod in the direction close to the bayonet until the two bayonet are snapped into the annular slot to push the two limit plates into the two limit grooves and fix them. This greatly simplifies the fixing operation, thereby increasing the installation speed of the fixing device and further improving the practicality and convenience of the fixing device.

[0018] 3. In the present invention, by setting up a linkage assembly, after the staff clamps the wire harness between the conical surfaces of the two conical rollers and the top of the clamping roller for clamping, under the elastic force of the two first elastic members, the two driving rods will push the two rectangular blocks to move in a direction close to each other, so that the lifting plate can be pushed upward by the two rotating rods to make the clamping roller approach the conical surfaces of the two conical rollers, thereby automatically completing the approach operation of the clamping roller and the conical surfaces of the two conical rollers, further simplifying the clamping operation of the wire harness, ensuring the clamping effect of the wire harness, and greatly improving the practicality and convenience of the fixing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is a schematic structural diagram of a vehicle wiring harness fixing device in an embodiment of the present application; Figure 2 This is a schematic diagram of a first partial structure of an automobile wiring harness fixing device in an embodiment of the present application; Figure 3 This is a schematic diagram of a second partial structure of an automobile wiring harness fixing device in an embodiment of the present application; Figure 4 This is a schematic diagram of a third partial structure of an automobile wiring harness fixing device in an embodiment of the present application; Figure 5 This is a schematic diagram of a fourth partial structure of an automobile wiring harness fixing device in an embodiment of the present application; Figure 6 This is a schematic diagram of the structure of the fixing mechanism in the embodiment of the present application; Figure 7 This is a schematic diagram of the structure of the push rod in the embodiment of the present application; Figure 8 In the embodiment of this application Figure 2 The enlarged schematic diagram of point A in the middle; Fig. 9 In the embodiment of this application Figure 3 The enlarged schematic diagram of point B in the middle; Fig.10 In the embodiment of this application Figure 4 Enlarged schematic diagram of point C in the middle.

[0021] In the figure: 1, clamping assembly; 11, bottom plate; 12, moving plate; 13, conical roller; 14, clamping roller; 15, vertical plate; 16, round rod; 2, connecting assembly; 21, first hinge rod; 22, second hinge rod; 23, hinge shaft; 24, fixing mechanism; 241, limit groove; 242, limit plate; 2421, bayonet; 243, pushing unit; 2431, second elastic member; 2432, third elastic member; 2433, push rod; 2434, annular groove; 2435, plane cavity; 2436, hollow tube; 2437, rotating tube; 2438, first torsion spring; 2439, slide plate; 24310, rectangular groove; 3, fixing plate; 4, linkage assembly; 41, square groove; 42, slide rod; 43, rectangular block; 44, rotating rod; 45, lifting plate; 46, driving rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Please refer to Figure 1-Figure 10 The automotive wiring harness fixing device shown comprises: A plurality of clamping assemblies 1, the clamping assemblies 1 comprising a bottom plate 11, the top of the bottom plate 11 is symmetrically and movably connected to two moving plates 12 through a first elastic member, two tapered rollers 13 are symmetrically and rotatably connected to the adjacent sides of the two moving plates 12, a clamping roller 14 is connected to the top of the bottom plate 11, the clamping roller 14 is located directly below the two tapered rollers 13 and cooperates with the tapered inclined surfaces of the two tapered rollers 13 to clamp the wire harness; A plurality of connection components 2, used to movably connect the plurality of clamping components 1 from left to right in sequence, the connection components 2 comprising a first hinge rod 21 and a second hinge rod 22, the first hinge rod 21 and the second hinge rod 22 are hinged together through a hinge shaft 23, the first hinge rod 21 and the second hinge rod 22 are hinged on the right side and the left side of the bottom plate 11 respectively, the connection components 2 comprising a fixing mechanism 24, the fixing mechanism 24 is used to fix the hinged first hinge rod 21 and the second hinge rod 22 to prevent the two from moving; The two fixing plates 3 are respectively hinged on the left end of the second hinge rod 22 on the far left and the right end of the first hinge rod 21 on the far right, and the fixing plates 3 are fixedly connected to the inner wall of the vehicle.

[0024] refer to Figure 2 , Figure 3 , Figure 5 , Figure 8 and Fig. 9The connecting component 2 also includes a through cavity 25 opened at the top of the first hinge rod 21, and the connecting component 2 also includes two through grooves 26 symmetrically opened on the front and rear inner walls of the through cavity 25. Two moving blocks 27 are symmetrically slidably connected in the two through grooves 26. The front and rear ends of the hinge shaft 23 are symmetrically fixedly connected to the side surfaces of the two moving blocks 27 that are close to each other. The second hinge rod 22 is rotatably sleeved on the hinge shaft 23. The advantage of such a setting is that the angle and distance between the two connected clamping components 1 can be adjusted, so that the fixing device can adapt to a more complex in-vehicle installation plane, thereby improving the reliability and practicality of the fixing device.

[0025] refer to Figure 2-Figure 9 The fixing mechanism 24 includes two groups of limiting grooves 241 symmetrically arranged on the top wall and the bottom wall of the through groove 26, each group of limiting grooves 241 is multiple and equidistantly distributed along the length direction of the through groove 26, the fixing mechanism 24 also includes an installation cavity arranged inside the moving block 27, two limiting plates 242 are symmetrically and movably inserted on the top wall and the bottom wall of the installation cavity, and the sides of the two limiting plates 242 that are away from each other respectively penetrate the top wall and the bottom wall of the moving block 27 and can be inserted into the limiting grooves 241, and the fixing mechanism 24 also includes a pushing unit 243, The pushing unit 243 is used to push the two limiting plates 242 into the corresponding limiting grooves 241 respectively. The advantage of such a configuration is that the moving block 27 can be fixed in the through groove 26 by pushing the two limiting plates 242 into the two limiting grooves 241 through the pushing unit 243, so that the first hinge rod 21 and the second hinge rod 22 connected together can be fixed for rotation and sliding, thereby realizing the fixation of the positions of multiple clamping components 1, ensuring the stability of the position of the automobile wiring harness, and improving the reliability of the fixing device.

[0026] refer to Figure 6-Figure 9The pushing unit 243 includes two groups of second elastic members 2431 symmetrically fixedly connected between the adjacent sides of the two limiting plates 242. Two arc-shaped bayonet holes 2421 are symmetrically provided on the adjacent sides of the two limiting plates 242. The pushing unit 243 also includes a third elastic member 2432 fixedly connected to the inner side wall of the installation cavity. The other end of the third elastic member 2432 is fixedly connected to a push rod 2433. A round table head is provided at one end of the push rod 2433 close to the third elastic member 2432. The round table head is movably inserted between the two bayonet holes 2421. An annular groove 2434 is provided on the outer side of the push rod 2433. The two bayonet holes 2421 on the two limiting plates 242 can be movably inserted into the two annular grooves 2434 respectively. Two planes are symmetrically provided on the outer side of the round table head. The two planar cavities 2435 are parallel to the bottom surface of the limiting plate 242, and the two planar cavities 2435 are both connected to the annular groove 2434. The spacing between the two planar cavities 2435 is smaller than the minimum distance between the two adjacent sides of the limiting plates 242. The end of the push rod 2433 away from the third elastic member 2432 passes through the side wall of the moving block 27 and extends to its outside. The advantage of such a setting is that the two limiting plates 242 can be pushed into the two limiting grooves 241 and fixed by only pushing the push rod 2433 in the direction close to the bayonet 2421 until the two bayonet 2421 is inserted into the annular groove 2434. This greatly simplifies the fixing operation, thereby increasing the installation speed of the fixing device and improving the practicality and convenience of the fixing device.

[0027] refer to Figure 8 and Fig. 9 The pushing unit 243 also includes a hollow tube 2436 fixedly connected to the side of the moving block 27, the hollow tube 2436 is movably sleeved on the outer circumference of the push rod 2433, a rotating tube 2437 is rotatably sleeved on the outer circumference of the hollow tube 2436, a first torsion spring 2438 is fixedly connected between the rotating tube 2437 and the side close to the moving block 27, two slide plates 2439 are symmetrically fixedly connected to the outer circumference of the push rod 2433, two rectangular grooves 24310 are symmetrically opened on the inner side wall of the rotating tube 2437, and the two slide plates 2439 are symmetrically slidably connected in the two rectangular grooves 24310. The advantage of such a setting is that when the push rod 2433 is driven by the rotating tube 2437 to rotate ninety degrees so that the two bayonet holes 2421 are disengaged from the annular groove 2434, the push rod 2433 will rotate ninety degrees and reset under the elastic force of the first torsion spring 2438 and the drive of the slide plate 2439 and the rectangular groove 24310, thereby eliminating the need for manual reset by the staff. In this way, the push rod 2433 can be directly pushed to perform the fixing operation again, further simplifying the fixing operation, further improving the installation speed of the fixing device, and effectively improving the practicality and convenience of the fixing device.

[0028] refer to Figure 1-Figure 5The inclination of the tapered surface of the tapered roller 13 is not greater than forty-five degrees. The advantage of this setting is that the distance between the tapered surface of the tapered roller 13 and the top of the clamping roller 14 is within a reasonable range, thereby ensuring the limiting clamping effect and the guiding effect.

[0029] refer to Figure 4 and Fig.10 , and also includes a linkage component 4, which can make the two conical inclined surfaces of the two conical rollers 13 and the outer peripheral surface of the clamping roller 14 close to each other. The advantage of this arrangement is that the two conical inclined surfaces of the two conical rollers 13 cooperate with the outer peripheral surface of the clamping roller 14 to clamp the limit more firmly, thereby improving the effect of fixing the wire harness and further improving the practicability and reliability of the fixing device.

[0030] refer to Figure 4 and Fig.10 The linkage assembly 4 includes a square groove 41 opened on the top of the bottom plate 11, a slide rod 42 is fixedly connected between the front and rear inner walls of the square groove 41, two rectangular blocks 43 are symmetrically sleeved on the slide rod 42, two rotating rods 44 are symmetrically hinged on the top of the two rectangular blocks 43, and the tops of the two rotating rods 44 are hinged to the same lifting plate 45, and the clamping roller 14 is fixedly connected to the top of the lifting plate 45. The linkage assembly 4 also includes two driving rods 46 symmetrically fixedly connected to the bottom of the two moving plates 12, and the two driving rods 46 are respectively tightly pressed against the two rectangular blocks 43. On the side away from the clamping roller 14, the advantage of such a setting is that, under the elastic force of the two first elastic members, the two driving rods 46 will push the two rectangular blocks 43 to move in a direction close to each other, so that the lifting plate 45 can be pushed upward by the two rotating rods 44 to make the clamping roller 14 approach the conical surfaces of the two conical rollers 13, thereby automatically completing the approach operation of the clamping roller 14 and the conical surfaces of the two conical rollers 13, further simplifying the clamping operation of the wire harness, ensuring the clamping effect of the wire harness, and improving the practicability and convenience of the fixing device.

[0031] refer to Figure 1 The thickness of the fixing plate 3 is not less than half of the length of the first hinged rod 21, and the length of the first hinged rod 21 is equal to the length of the second hinged rod 22. The advantage of such a setting is that there is enough rotation space between the first hinged rod 21 and the second hinged rod 22, ensuring that the fixing device has sufficient adaptability to the installation surface in the vehicle, thereby improving the reliability of the fixing device.

[0032] refer to Figure 2-Figure 5The clamping assembly 1 also includes two vertical plates 15 symmetrically fixedly connected to the top of the bottom plate 11, and two groups of round rods 16 are symmetrically and movably inserted on the adjacent sides of the two vertical plates 15. The adjacent ends of the two groups of round rods 16 are respectively fixedly connected to the two movable plates 12, and the first elastic member is fixedly connected between the adjacent sides of the vertical plates 15 and the movable plates 12. The advantage of such a setting is that the two conical rollers 13 can move toward each other stably, thereby ensuring that the wire harness can be conveniently and smoothly clamped between the two conical rollers 13 and the wire harness is kept clamped.

[0033] Working principle: first, a fixed plate 3 is fixedly connected to the internal mounting surface of the vehicle, and then the first hinge rod 21 and the second hinge rod 22 are rotated respectively, and then the moving block 27 is pushed to slide on the through groove 26 so that each bottom plate 11 fits with the internal mounting surface of the vehicle.

[0034] Whenever a clamping component 1 is positioned, the two push rods 2433 on the clamping component 1 are pushed towards each other until the two bayonet holes 2421 are inserted into the annular slots 2434. In this way, the two limit plates 242 can be pushed away from each other to push the two limit plates 242 into the two limit slots 241 and fix them. In this way, the installation and fixation of the clamping component 1 can be completed. After all the clamping components 1 are installed and fixed as above, the remaining fixing plate 3 is fixedly connected to the internal mounting surface of the vehicle. In this way, the fixing and installation work of the fixing device can be completed conveniently.

[0035] The wire harness is then clamped in turn between the two conical rollers 13 on each clamping assembly 1, and then under the elastic force of the two first elastic members, the two driving rods 46 push the two rectangular blocks 43 to move towards each other, so that the two rotating rods 44 can push the lifting plate 45 to move upward so that the clamping roller 14 approaches the conical surfaces of the two conical rollers 13, thereby automatically completing the approach operation of the clamping roller 14 and the conical surfaces of the two conical rollers 13, thereby enhancing the clamping effect on the wire harness.

[0036] When there are multiple wire harnesses, multiple fixing devices may be used to fix the wire harnesses.

[0037] When the wire harness needs to be adjusted, it is only necessary to find the corresponding wire harness and pull it to adjust the position of the wire harness. Since both the conical roller 13 and the clamping roller 14 can rotate, the wire harness can be directly pulled to move.

[0038] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automotive wiring harness fixing device, characterized in that: include: A plurality of clamping assemblies (1), the clamping assemblies (1) comprising a base plate (11), the top of the base plate (11) being symmetrically and movably connected to two movable plates (12) via a first elastic member, two conical rollers (13) being symmetrically and rotatably connected to adjacent sides of the two movable plates (12), the top of the base plate (11) being connected to a clamping roller (14), the clamping roller (14) being located directly below the two conical rollers (13) and cooperating with the conical inclined surfaces of the two conical rollers (13) to clamp the wire harness; A plurality of connection assemblies (2) for movably connecting a plurality of clamping assemblies (1) together in sequence from left to right, the connection assemblies (2) comprising a first hinged rod (21) and a second hinged rod (22), the first hinged rod (21) and the second hinged rod (22) being hinged together via a hinge shaft (23), the first hinged rod (21) and the second hinged rod (22) being hinged on the right side and the left side of the bottom plate (11), respectively, the connection assemblies (2) comprising a fixing mechanism (24), the fixing mechanism (24) being used to fix the hinged first hinged rod (21) and the second hinged rod (22) to prevent the two from moving; The two fixing plates (3) are respectively hinged on the left end of the leftmost second hinge rod (22) and the right end of the rightmost first hinge rod (21), and the fixing plates (3) are fixedly connected to the inner wall of the vehicle.

2. The automotive wiring harness fixing device according to claim 1, characterized in that: The connecting assembly (2) further comprises a through cavity (25) formed at the top of the first hinge rod (21), and two through grooves (26) symmetrically formed on the front and rear inner side walls of the through cavity (25), two moving blocks (27) being symmetrically slidably connected in the two through grooves (26), the front and rear ends of the hinge shaft (23) being symmetrically fixedly connected to the adjacent side surfaces of the two moving blocks (27), and the second hinge rod (22) being rotatably sleeved on the hinge shaft (23).

3. The automotive wiring harness fixing device according to claim 2, characterized in that: The fixing mechanism (24) comprises two groups of limiting grooves (241) symmetrically arranged on the inner top wall and the inner bottom wall of the through groove (26), each group of limiting grooves (241) being multiple in number and equidistantly distributed along the length direction of the through groove (26). The fixing mechanism (24) further comprises an installation cavity arranged inside the moving block (27), two limiting plates (242) being symmetrically and movably inserted on the inner top wall and the inner bottom wall of the installation cavity, the side surfaces of the two limiting plates (242) respectively penetrating the top wall and the bottom wall of the moving block (27) and being insertable into the limiting grooves (241). The fixing mechanism (24) further comprises a pushing unit (243), the pushing unit (243) being used to push the two limiting plates (242) to be inserted into the corresponding limiting grooves (241) respectively.

4. The automotive wiring harness fixing device according to claim 3, characterized in that: The pushing unit (243) comprises two groups of second elastic members (2431) symmetrically fixedly connected between adjacent side surfaces of the two limiting plates (242); two arc-shaped bayonet holes (2421) are symmetrically provided on the adjacent side surfaces of the two limiting plates (242); the pushing unit (243) further comprises a third elastic member (2432) fixedly connected to the inner side wall of the installation cavity; the other end of the third elastic member (2432) is fixedly connected to a push rod (2433); an end of the push rod (2433) close to the third elastic member (2432) is provided with a round table head; the round table head is movably inserted between the two bayonet holes (2421); and a push rod (2433) is provided with a round table head. There is an annular groove (2434), and the two bayonet holes (2421) on the two limiting plates (242) can be movably inserted into the two annular grooves (2434) respectively. Two planar cavities (2435) are symmetrically opened on the outer surface of the truncated cone head. The two planar cavities (2435) are parallel to the bottom surface of the limiting plate (242). The two planar cavities (2435) are both connected to the annular groove (2434). The distance between the two planar cavities (2435) is less than the minimum distance between the adjacent sides of the two limiting plates (242). The end of the push rod (2433) away from the third elastic member (2432) penetrates the side wall of the moving block (27) and extends to the outside thereof.

5. The automotive wiring harness fixing device according to claim 4, characterized in that: The pushing unit (243) further comprises a hollow tube (2436) fixedly connected to the side of the moving block (27); the hollow tube (2436) is movably sleeved on the outer circumference of the push rod (2433); a rotating tube (2437) is rotatably sleeved on the outer circumference of the hollow tube (2436); a first torsion spring (2438) is fixedly connected between the side surfaces of the rotating tube (2437) and the moving block (27) that are close to each other; two slide plates (2439) are symmetrically fixedly connected to the outer circumference of the push rod (2433); two rectangular grooves (24310) are symmetrically provided on the inner side wall of the rotating tube (2437); and the two slide plates (2439) are symmetrically slidably connected in the two rectangular grooves (24310).

6. The automotive wiring harness fixing device according to claim 3, characterized in that: The inclination of the tapered surface of the tapered roller (13) is no greater than forty-five degrees.

7. The automotive wiring harness fixing device according to claim 6, characterized in that: It also comprises a linkage assembly (4), wherein the linkage assembly (4) is capable of bringing the two tapered inclined surfaces of the two tapered rollers (13) and the outer peripheral surface of the clamping roller (14) closer to each other.

8. The automotive wiring harness fixing device according to claim 7, characterized in that: The linkage assembly (4) comprises a square groove (41) formed on the top of the bottom plate (11); a slide rod (42) is fixedly connected between the front and rear inner side walls of the square groove (41); two rectangular blocks (43) are symmetrically and movably sleeved on the slide rod (42); two rotating rods (44) are symmetrically hinged on the tops of the two rectangular blocks (43); the tops of the two rotating rods (44) are hinged to the same lifting plate (45); the clamping roller (14) is fixedly connected to the top of the lifting plate (45); and the linkage assembly (4) further comprises two driving rods (46) symmetrically and fixedly connected to the bottoms of the two movable plates (12); the two driving rods (46) are respectively tightly pressed against the side surfaces of the two rectangular blocks (43) that are away from each other.

9. The automotive wiring harness fixing device according to claim 6, characterized in that: The thickness of the fixing plate (3) is not less than half the length of the first hinge rod (21), and the length of the first hinge rod (21) is equal to the length of the second hinge rod (22).

10. The automotive wiring harness fixing device according to claim 3, characterized in that: The clamping assembly (1) further comprises two vertical plates (15) symmetrically fixedly connected to the top of the bottom plate (11); two groups of round rods (16) are symmetrically and movably inserted on the adjacent sides of the two vertical plates (15); the adjacent ends of the two groups of round rods (16) are respectively fixedly connected to the two movable plates (12); and the first elastic member is fixedly connected between the adjacent sides of the vertical plates (15) and the movable plates (12).

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