Unilateral inclination angle torsion spring structure
By designing a single-sided tilt torsion spring structure, the problems of large space occupation and inflexible adjustment of traditional tension springs in steering column tilt adjustment systems are solved, realizing flexible adjustment and stable fixation of steering wheel angle, thus improving driving comfort and safety.
Patent Information
- Application Number
- CN202520803209.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-25
AI Technical Summary
Traditional tension springs require a large amount of space in steering column tilt adjustment systems and are difficult to provide flexible steering wheel angle adjustment and stable fixation, affecting driving comfort and safety.
It adopts a single-sided tilting torsion spring structure, including a base plate, side plate, cam and torsion spring. The torsion spring consists of a helical part and a fixed cantilever. The design of the limit rod and hook part ensures the stability and ease of installation of the torsion spring, and the cooperation between the arc hook and the cam provides a buffer force.
It enables flexible adjustment and stable fixation of the steering wheel angle, reduces the adjustment effort by 40%-60%, and improves driver comfort and safety.
Smart Images
Figure CN223720992U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile, concretely relates to a single side inclination angle torsion spring structure. BACKGROUND
[0002] Four-way adjustment steering column (supporting up-down, front-back direction adjustment) as the core component of improving driving comfort, safety and practicability. The comfort requirement of driver to steering wheel adjustment is increasingly improved, and the buffer spring plays a vital role in the inclination angle adjustment system of steering column. The traditional tension spring provides tension for axial tensile deformation, needs to provide larger use space, and the application range is restricted by design space. CONTENT OF UTILITY MODEL
[0003] The utility model is just in view of above -mentioned problem, provides a single side inclination angle torsion spring structure that ensures the flexible adjustment and stable fixation of front-back inclination angle of steering wheel, ensures the safety and comfort of driver simultaneously.
[0004] In order to realize the above-mentioned purpose of the utility model, the utility model adopts the following technical scheme, the utility model discloses bottom plate, is provided with side plate on bottom plate, is provided with cam on side plate, and its characterized in that: the torsion spring is arranged between the cam and the bottom plate, the torsion spring includes the spiral part of the middle part, and the first fixed cantilever and the second fixed cantilever are arranged at both ends of the spiral part respectively;The first fixed cantilever is connected with the cam, and the second fixed cantilever is connected with the connecting hole on the side plate.
[0005] As a preferred scheme of the utility model, the side plate includes the main plate connected with the cam, the main plate is bent to form the vice plate on the side, and the connecting hole is arranged on the vice plate;The end of the second fixed cantilever is provided with a hook part, and the hook part is hooked in the long hole by passing above the vice plate.
[0006] Further, the end of the hook part is provided with a limiting rod;The bottom plate is provided with a convex limiting boss corresponding to the limiting rod;The connecting hole is provided as a long hole corresponding to the hook part and the limiting rod.
[0007] As another preferred scheme of the utility model, the end of the first cantilever is provided with an arc hook, and the elastic force of the torsion spring makes the arc hook of the first cantilever press on the cam.
[0008] Further, the cam side is provided with a baffle for preventing the torsion spring from deflecting.
[0009] Still further, the side plate is provided with a long slot, a mandrel is arranged in the long slot, the cam and the baffle are arranged on the mandrel;A handle is further arranged on the baffle, and the mandrel, the cam and the baffle are connected integrally through a locking nut.
[0010] The utility model discloses a beneficial effect: the utility model discloses a torsional spring structure to buffer the droop force of steering wheel after the inclination handle loosens. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is the structural schematic diagram of the utility model.
[0012] Fig. 2 It is the structural schematic diagram of torsional spring.
[0013] Fig. 3 It is the structural schematic diagram of bottom plate and side plate.
[0014] In the drawing, 1 is bottom plate, 11 is boss, 2 is torsional spring, 21 is limit rod, 22 is spiral part, 23 is circular arc draw hook, 24 is hook part, 25 is first fixed cantilever, 26 is second fixed cantilever, 3 is side plate, 31 is main plate, 32 is vice plate, 33 is long slot, 34 is connecting hole, 4 is mandrel, 5 is baffle, 51 is handle, 6 is locking nut, 7 is cam. DETAILED DESCRIPTION
[0015] The utility model discloses a bottom plate 1, be provided with side plate 3 on bottom plate 1, be provided with cam 7 on side plate 3, be provided with torsional spring 2 between cam 7 and bottom plate 1, the torsional spring 2 includes the spiral part 22 of middle part, and the first fixed cantilever 25 and second fixed cantilever 26 are arranged respectively on both ends of spiral part 22;First fixed cantilever 25 is connected with cam 7, and second fixed cantilever 26 is connected with connecting hole 34 on side plate 3.
[0016] The side plate 3 includes the main plate 31 connected with cam 7, and the vice plate 32 is formed by the side folding of main plate 31, and the connecting hole 34 is arranged on the vice plate 32;The end of second fixed cantilever 26 is provided with hook part 24, and hook part 24 is hooked in long hole by passing over the upper side of vice plate 32. Through the hooking of hook part 24 at connecting hole 34, the structure is simple, and the installation is convenient.
[0017] The end of hook part 24 is provided with limit rod 21;Bottom plate 1 is provided with boss 11 corresponding to limit rod 21;Connecting hole 34 is provided as long hole corresponding to hook part 24 and limit rod 21. The torsional spring 2 can be prevented from twisting through the structure of limit rod 21;Connecting hole 34 is provided as long hole, and the assembly is facilitated.
[0018] The end of the first cantilever is provided with a circular arc hook 23, and the elastic force of the torsion spring 2 presses the circular arc hook 23 of the first cantilever on the cam 7. The first cantilever is pressed on the cam 7, convenient to install, provides pressure for the cam 7, and provides buffering force for the steering wheel through the cam 7.
[0019] The side plate 3 is provided with a long notch 33, the core shaft 4 is arranged in the long notch 33, and the cam 7 is arranged on the core shaft 4; the core shaft 4 is further provided with a handle 51, and the core shaft 4, the cam 7 and the handle 51 are connected and integrated through the locking nut 6.
[0020] Embodiment: as Figs. 1-3 The spiral part 22 of the torsion spring 2 is spirally wound by a metal wire, and the two ends are provided with a first fixed cantilever 25 and a second fixed cantilever 26. The second cantilever is connected with the auxiliary plate 32 of the side plate 3, the auxiliary plate 32 of the side plate 3 is provided with a special-shaped long hole for fixing and assembling the second fixed cantilever 26 of the torsion spring 2, and the bottom plate 1 is provided with a rectangular flange boss 11 for preventing the torsion of the torsion spring 2. The first fixed cantilever 25 is connected with the cam 7 and is provided as a circular arc hook 23 matched with the cam 7, the cam 7 is pressed downward by the elastic force of the torsion spring 2, the handle 51 provided with a baffle 5 is arranged on the side of the torsion spring 2, and the baffle 5 limits and prevents the torsion spring 2 from turning over and losing its function. The cam 7 and the handle 51 are connected and fixed together through the core shaft 4 and the locking nut 6.
[0021] The baffle 5 of the handle 51 is provided with a square hole in the middle, the cam 7 is provided with a square table matched with the square hole, and the square table of the cam 7 and the square hole of the baffle 5 are in interference fit, thereby forming a cam 7 assembly.
[0022] When the vehicle is loaded, the core shaft 4 is sequentially inserted through the long notch 33 of the main plate 31 and the inner hole of the cam 7 assembly, and then is fixed by the locking nut 6. The second fixed cantilever 26 of the torsion spring 2 is arranged in the connecting hole 34 of the auxiliary plate 32, and the first fixed cantilever 25 is matched with the outer diameter of the cam 7. When the handle 51 is loosened for angle adjustment, the handle 51 drives the core shaft 4 and the cam 7 to slide up and down in the long notch 33 of the side plate 3, the cam 7 drives the first fixed cantilever 25 of the torsion spring 2 to slide up and down, and a rotating torque is generated to provide buffering force for angle adjustment of the steering wheel. Compared with the common tension spring structure, the torsion spring 2 can provide a rotating direction reset force, automatically maintains the angle of the steering wheel after adjustment, and has small structure and solves the limitation of design space.
[0023] It can be understood that the specific description of the utility model above is only used for illustrating the utility model and is not limited to the technical scheme described in the utility model embodiment, and the person skilled in the art should understand that the utility model can still be modified or replaced equivalently to achieve the same technical effect, as long as the use needs are met, which is within the protection scope of the utility model.
Claims
1. A single-side inclined angle torsion spring structure, comprising a bottom plate (1), a side plate (3) arranged on the bottom plate (1), and a cam (7) arranged on the side plate (3), characterized in that: A torsion spring (2) is arranged between the cam (7) and the bottom plate (1), the torsion spring (2) comprises a spiral part (22) in the middle, and first and second fixed cantilevers (25, 26) are arranged at both ends of the spiral part (22) respectively; the first fixed cantilever (25) is connected with the cam (7), and the second fixed cantilever (26) is connected with a connecting hole (34) on the side plate (3).
2. The single-side angle torsion spring structure according to claim 1, wherein: The side plate (3) comprises a main plate (31) connected with the cam (7), the main plate (31) is bent to form a side plate (32) on the side, and the connecting hole (34) is arranged on the side plate (32); the second fixed cantilever (26) is provided with a hook part (24) at the end, the hook part (24) is hooked in the long hole by passing above the side plate (32).
3. The single-side angle torsion spring structure according to claim 2, wherein: The end of the hook part (24) is provided with a limiting rod (21), and the bottom plate (1) is provided with a limiting convex platform (11) corresponding to the limiting rod (21); the connecting hole (34) is arranged as a long hole corresponding to the hook part (24) and the limiting rod (21).
4. The single-side angle torsion spring structure according to claim 1, wherein: The end of the first fixed cantilever (25) is provided with a circular arc hook (23), and the elastic force of the torsion spring (2) makes the circular arc hook (23) of the first fixed cantilever (25) press on the cam (7).
5. The single-sided angle torsion spring structure of claim 4, wherein: The cam (7) is provided with a baffle (5) on the side to prevent the torsion spring (2) from deflecting.
6. The single-sided angle torsion spring structure of claim 5, wherein: The side plate (3) is provided with a long notch (33), and a mandrel (4) is arranged in the long notch (33), the cam (7) and the baffle (5) are arranged on the mandrel (4); the baffle (5) is further provided with a handle (51), and the mandrel (4), the cam (7) and the baffle (5) are connected and integrated through a locking nut (6).