Novel torsion beam structure

Abstract

The utility model relates to the technical field of parts of vehicles, and discloses a novel torsion beam structure which comprises a square tube cross beam and a torsion bar spline shaft sleeve body, torsion beam supports are symmetrically and fixedly connected to the outer side wall of the square tube cross beam, and the torsion bar spline shaft sleeve body is located in the square tube cross beam. Rotating component assemblies are arranged at the left end and the right end of the square tube cross beam; the whole square tube cross beam is connected with the left rotating part assembly and the right rotating part assembly, so that the square tube cross beam is connected with the vehicle body or the vehicle frame through the support bolts, the square tube cross beam and the vehicle body or the vehicle frame do not move or rotate relatively, the arrangement space below the vehicle floor is not affected, and meanwhile the strength of the vehicle body or the vehicle frame can be enhanced; and the length of the square tube cross beam and the span of the bracket can be increased or decreased according to the width of a vehicle body or a frame so as to adapt to vehicles with different widths, so that the structure can be applied to diversified production environments.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle parts, and more specifically to a novel torsion beam structure. Background Art

[0002] At present, there are generally five types of rear axle structures: integral bridge with differential drive axle, non-drive axle straight axle tube, non-drive axle, torsion beam structure, and rubber axle torsion beam for RVs;

[0003] The traditional rear axle with a main reducer is large in size, and occupies the vertical space of the vehicle when the vehicle bounces, affecting the suspension design, which is not conducive to the ground clearance, passability and comfort of the floor. The non-drive axle can realize a concave axle tube structure to increase the space between the rear axle and the floor, but reduce the ground clearance and do not solve this problem. It is necessary to design the two ends of the axle to be arranged on the outside of the longitudinal beam of the vehicle body in order to solve the problem of vertical space under the floor. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a new type of torsion beam structure, which can solve the problem that the traditional rear axle with a main reducer is large in size, occupies the vertical space of the vehicle when the vehicle bounces, affects the suspension design, and is not conducive to the ground clearance, passability and comfort of the floor. The non-drive axle can realize a concave axle tube structure to increase the space between the rear axle and the floor, but reduces the ground clearance. This problem is not solved, and the two ends of the axle need to be designed to be arranged on the outside of the longitudinal beam of the vehicle body in order to solve the problem of the vertical space under the floor.

[0005] To solve the above technical problems, according to one aspect of the utility model, more specifically, a new torsion beam structure comprises a square tube crossbeam and a torsion bar spline sleeve body, the outer side wall of the square tube crossbeam is symmetrically fixedly connected with a torsion beam bracket, the torsion bar spline sleeve body is located inside the square tube crossbeam, the left and right ends of the square tube crossbeam are both provided with a rotating component assembly, the outer side wall of the torsion bar spline sleeve body is symmetrically fixedly connected with a torsion bar spline sleeve seat, and rubber shafts are sleeved on the opposite sides of the two rotating component assemblies and located at the left and right ends of the torsion bar spline sleeve body.

[0006] Furthermore, the outer wall of the square tube crossbeam is provided with multiple through bolt holes 1, and the outer walls of the two torsion bar spline sleeve seats are provided with bolt holes 2. The multiple bolt holes 1 and the multiple bolt holes 2 are fixedly connected by bolts.

[0007] Furthermore, the rotating component assembly includes a steering knuckle, and the opposite sides of the two steering knuckles are provided with fixing holes, the opposite sides of the two steering knuckles are fixedly connected with torsion bar springs, the opposite sides of the two torsion bar springs are fixedly connected with spline sleeves, the opposite sides of the two steering knuckles and the outsides of the two torsion bar springs are fixedly connected with square tube axes, the opposite sides of the two square tube axes extend to the interiors of the two rubber shafts respectively, and the left and right sides of the torsion bar spline sleeve body are provided with plug-in interfaces, and the two spline sleeves extend to the interiors of the two plug-in interfaces respectively.

[0008] Furthermore, flange surfaces are provided on opposite sides of the two rubber shafts, and the opposite sides of the two flange surfaces are respectively fitted with opposite sides of the two torsion beam brackets.

[0009] Furthermore, the upper surfaces of the two torsion beam brackets are symmetrically provided with a plurality of through-type bolt holes three.

[0010] Furthermore, the two rubber shafts are both made of full rubber structure.

[0011] The beneficial effects of the novel torsion beam structure of the utility model are:

[0012] The whole square tube cross beam is provided to connect the left and right rotating component assemblies, so that the square tube cross beam is connected to the vehicle body or frame through the bracket bolts. The square tube cross beam and the vehicle body or frame have no relative movement or rotation, and do not affect the layout space under the vehicle floor. At the same time, the strength of the vehicle body or frame can be enhanced. The length of the square tube cross beam and the bracket span can also be lengthened or shortened according to the width of the vehicle body or frame to adapt to vehicles of different widths, so that the structure can be used in a variety of production environments;

[0013] The spline sleeve at one end of the torsion bar spring is connected and fixed to the special torsion bar spline sleeve body inside the square tube crossbeam through the middle of the square tube crossbeam, and the other end is fixed to the steering knuckle, so that the steering knuckle can rotate around the central axis of the square tube crossbeam and the up and down jumping of the wheel can be realized. The torsion stiffness of the wheel can be changed by adjusting the length and diameter of the torsion bar spring according to the load of different vehicles. While meeting the strength and stiffness of the assembly, the lightweight and flexible design of the whole vehicle can be realized to improve the vehicle's sports performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a schematic diagram of the overall structure of a novel torsion beam structure of the utility model;

[0016] Figure 2It is a schematic diagram of the overall structure of a torsion bar spline sleeve body, a torsion bar spline sleeve seat and a rubber shaft of a novel torsion beam structure of the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the overall explosion structure of a novel torsion beam structure.

[0018] In the figure: 1. square tube crossbeam; 2. torsion bar spline bushing body; 3. torsion beam bracket; 4. rotating component assembly; 5. torsion bar spline bushing seat; 6. rubber shaft; 7. steering knuckle; 8. torsion bar spring; 9. spline bushing; 10. square tube axis; 11. bolt hole one; 21. plug interface; 31. bolt hole three; 51. bolt hole two; 61. flange surface; 71. fixing hole. DETAILED DESCRIPTION

[0019] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0020] According to one aspect of the present invention, Figure 1-3 As shown, a novel torsion beam structure is provided, comprising a square tube crossbeam 1 and a torsion bar spline sleeve body 2, the outer side wall of the square tube crossbeam 1 is symmetrically fixedly connected with a torsion beam bracket 3, the torsion bar spline sleeve body 2 is located inside the square tube crossbeam 1, the left and right ends of the square tube crossbeam 1 are both provided with a rotating component assembly 4, the outer side wall of the torsion bar spline sleeve body 2 is symmetrically fixedly connected with a torsion bar spline sleeve seat 5, and rubber shafts 6 are sleeved on the opposite sides of the two rotating component assemblies 4 and located at the left and right ends of the torsion bar spline sleeve body 2;

[0021] The left and right rotating component assemblies 4 are connected by a whole square tube cross beam 1, so that the square tube cross beam 1 is connected to the body or frame through the bracket bolts. The square tube cross beam 1 and the body or frame have no relative movement or rotation, and do not affect the layout space under the vehicle floor. At the same time, the strength of the body or frame can be strengthened. The length of the square tube cross beam 1 and the bracket span can also be lengthened or shortened according to the width of the body or frame to adapt to vehicles of different widths, so that the structure can be used in a variety of production environments. The spline sleeve 9 at one end of the torsion bar spring 8 in the middle of the square tube cross beam 1 is connected and fixed to the special torsion bar spline shaft sleeve body 2 inside the square tube cross beam 1, and the other end is fixed to the steering knuckle 7, so that the steering knuckle 7 rotates around the central axis of the square tube cross beam 1 to realize the up and down jumping of the wheel. The length and diameter of the torsion bar spring 8 can be adjusted according to the load of different vehicles to change the torsional stiffness of the wheel. Under the condition of meeting the strength and stiffness of the assembly, the lightweight and flexible design of the whole vehicle is realized, and the vehicle sports performance is improved.

[0022] In this embodiment, a plurality of through-type bolt holes 11 are provided around the outer wall of the square tube crossbeam 1, and bolt holes 2 51 are provided around the outer walls of the two torsion bar spline sleeve seats 5. The plurality of bolt holes 11 and the plurality of bolt holes 2 51 are fixedly connected by bolts respectively. By fixing the plurality of bolt holes 11 and the plurality of bolt holes 2 51 by bolts, the torsion bar spline sleeve body 2 and the square tube crossbeam 1 can be fixed.

[0023] In this embodiment, the rotating component assembly 4 includes a steering knuckle 7, and the opposite sides of the two steering knuckles 7 are provided with fixing holes 71, the opposite sides of the two steering knuckles 7 are fixedly connected with torsion bar springs 8, the opposite sides of the two torsion bar springs 8 are fixedly connected with spline sleeves 9, the opposite sides of the two steering knuckles 7 and the outsides of the two torsion bar springs 8 are fixedly connected with square tube axes 10, the opposite sides of the two square tube axes 10 extend to the inside of the two rubber shafts 6 respectively, the left and right sides of the torsion bar spline sleeve body 2 are provided with plug-in ports 21, the two spline sleeves 9 extend to the inside of the two plug-in ports 21 respectively, and the two torsion bar springs 8 are fixed to the two steering knuckles 7 through the two fixing holes 71;

[0024] A spline sleeve 9 at one end of a torsion bar spring 8 is connected and fixed to a specially made torsion bar spline sleeve body 2 inside the square tube crossbeam 1 in the middle of the square tube crossbeam 1, and the other end is fixed to the steering knuckle 7, so that the steering knuckle 7 can rotate around the central axis of the square tube crossbeam 1 and the up and down jumping of the wheel can be achieved. The length and diameter of the torsion bar spring 8 can be adjusted according to the load of different vehicles to change the torsional stiffness of the wheel. While meeting the strength and stiffness of the assembly, the lightweight and flexible design of the whole vehicle can be achieved to improve the vehicle's sports performance.

[0025] In this embodiment, flange surfaces 61 are provided on opposite sides of the two rubber shafts 6, and the opposite sides of the two flange surfaces 61 are respectively fitted with opposite sides of the two torsion beam brackets 3. The wheel is fixed by the two flange surfaces 61 being tightly fitted with the opposite sides of the two torsion beam brackets 3 and the inner end surface of the steering knuckle 7 being fitted with the cross section of the rubber shaft 6.

[0026] In this embodiment, the upper surfaces of the two torsion beam brackets 3 are symmetrically provided with a plurality of through-type bolt holes 31 , and the plurality of bolt holes 31 can facilitate the installation and fixing of the torsion beam structure on the bottom plate of the vehicle.

[0027] In this embodiment, the two rubber shafts 6 are all rubber structures; the two rubber shafts 6 are composed of four triangular shafts, and the four shafts form a square with the same inner cross section as the square tube beam 1, so that the structure has stronger stability.

[0028] The working principle of the device is: the left and right rotating component assemblies 4 are connected by a whole square tube cross beam 1, so that the square tube cross beam 1 is connected to the body or frame through the bracket bolts. The square tube cross beam 1 and the body or frame have no relative movement or rotation, and do not affect the layout space under the vehicle floor. At the same time, the strength of the body or frame can be strengthened. The length of the square tube cross beam 1 and the bracket span can also be lengthened or shortened according to the width of the body or frame to adapt to vehicles of different widths, so that the structure can be used in a variety of production environments. The spline sleeve 9 at one end of the torsion bar spring 8 in the middle of the square tube cross beam 1 is connected and fixed with the special torsion bar spline shaft sleeve body 2 inside the square tube cross beam 1, and the other end is fixed to the steering knuckle 7, so that the steering knuckle 7 rotates around the central axis of the square tube cross beam 1 to realize the up and down jumping of the wheel. The length and diameter of the torsion bar spring 8 can be adjusted according to the load of different vehicles to change the torsional stiffness of the wheel. Under the condition of meeting the strength and stiffness of the assembly, the lightweight and flexible design of the whole vehicle is realized, and the vehicle sports performance is improved.

[0029] The electrical components that appear in this article are all electrical components that exist in reality.

[0030] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A novel torsion beam structure, comprising a square tube crossbeam (1) and a torsion bar spline sleeve body (2), characterized in that: The outer side wall of the square tube cross beam (1) is symmetrically fixedly connected to a torsion beam bracket (3); the torsion bar spline sleeve body (2) is located inside the square tube cross beam (1); the left and right ends of the square tube cross beam (1) are both provided with a rotating component assembly (4); the outer side wall of the torsion bar spline sleeve body (2) is symmetrically fixedly connected to a torsion bar spline sleeve seat (5); and rubber shafts (6) are sleeved on the opposite sides of the two rotating component assemblies (4) and located at the left and right ends of the torsion bar spline sleeve body (2).

2. A novel torsion beam structure according to claim 1, characterized in that: The outer wall of the square tube cross beam (1) is provided with a plurality of through-type bolt holes (11) on all sides, and the outer walls of the two torsion bar spline sleeve seats (5) are provided with bolt holes (51) on all sides, and the plurality of bolt holes (11) and the plurality of bolt holes (51) are fixedly connected by bolts.

3. A novel torsion beam structure according to claim 1, characterized in that: The rotating component assembly (4) comprises a steering knuckle (7), the opposite sides of the two steering knuckles (7) are each provided with a fixing hole (71), the opposite sides of the two steering knuckles (7) are each fixedly connected to a torsion bar spring (8), the opposite sides of the two torsion bar springs (8) are each fixedly connected to a spline sleeve (9), the opposite sides of the two steering knuckles (7) and located outside the two torsion bar springs (8) are each fixedly connected to a square tube axis (10), the opposite sides of the two square tube axis (10) respectively extend to the inside of the two rubber shafts (6), the left and right sides of the torsion bar spline sleeve body (2) are each provided with an insertion interface (21), and the two spline sleeves (9) respectively extend to the inside of the two insertion interfaces (21).

4. A novel torsion beam structure according to claim 1, characterized in that: The opposite sides of the two rubber shafts (6) are each provided with a flange surface (61), and the opposite sides of the two flange surfaces (61) are respectively fitted with the opposite sides of the two torsion beam brackets (3).

5. The novel torsion beam structure according to claim 1 is characterized in that: The upper surfaces of the two torsion beam brackets (3) are symmetrically provided with a plurality of through-type bolt holes three (31).

6. The novel torsion beam structure according to claim 1 is characterized in that: The two rubber shafts (6) are both made of full rubber structure.

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