CN219619211U - Steering wheel assembly with buffer function - Google Patents

Abstract

The utility model discloses a steering wheel assembly with a buffering function, which comprises an electric power steering wheel body, wherein the input end of the electric power steering wheel body is connected with a universal coupling, the tail end of the universal coupling is connected with a transmission shaft, the tail end of the transmission shaft is connected with a steering wheel, and steering wheel ball head pull rod assemblies are arranged at the upper end and the lower end of the electric power steering wheel body. According to the utility model, through the matched use of the connecting component, the buffer component and the dust cover, a rubber buffer layer is formed on the outer sides of the inner pull rod and the outer pull rod of the ball head, when the ball head is impacted by external force, the buffer protection is provided through the rubber buffer layer, the influence and damage of foreign object impact on the inner pull rod and the outer pull rod of the ball head in the interior are weakened or even eliminated, and meanwhile, the joint of the inner pull rod and the outer pull rod of the ball head and the joint of the inner pull rod of the ball head and the electric booster steering gear body can be sealed, so that the dust prevention effect is provided, and the influence of dust on the rotation of the joint is avoided.

Description

Steering wheel assembly with buffer function

Technical Field

The utility model relates to the technical field of steering wheel assemblies, in particular to a steering wheel assembly with a buffering function.

Background

The steering wheel assembly comprises a steering wheel, a steering wheel pull rod, a ball head direction pull rod and a dust cover sleeved on a part of the inner pull rod, wherein the steering wheel assembly is commonly used in an automobile with electric power, the steering wheel is generally exposed and installed at the bottom of the automobile in the actual use process, protective measures are not provided on the surfaces of the part of the inner pull rod and the outer pull rod, the ball head direction pull rod has the risk of foreign object collision in the automobile driving process, the pull rod is easy to loosen or even deform under the collision of foreign objects, the running direction deviation of the automobile can be influenced, and safety accidents are caused.

Disclosure of Invention

The present utility model is directed to a steering wheel assembly with a buffering function, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steering wheel assembly with buffer function, includes the electric power steering wheel body, the input of electric power steering wheel body is connected with universal joint, universal joint's end-to-end connection has the transmission shaft, the end-to-end connection of transmission shaft has the steering wheel, the upper and lower both ends of electric power steering wheel body all are provided with steering wheel bulb pull rod subassembly, steering wheel bulb pull rod subassembly includes bulb inner pull rod, outer pull rod, be provided with the dirt proof boot on the bulb inner pull rod, the lower extreme of dirt proof boot is provided with supporting component, supporting component includes two screwed rings, backing ball, be provided with buffer assembly on the outer pull rod, buffer assembly includes buffer sleeve, fixed cover.

Preferably, the inner ball-head pull rod is arranged at the output end of the electric power steering machine body, and the outer pull rod is arranged at the tail end of the inner ball-head pull rod in a threaded manner.

Preferably, the dustproof sleeve is fixedly arranged on the outer side of the inner pull rod of the ball head on the electric booster steering machine body, one threaded ring is arranged on the dustproof sleeve, and the supporting ball is arranged on the outer sides of the two threaded rings in a threaded manner.

Preferably, the support ball is sleeved on the outer pull rod in a sliding manner, and the two threaded rings are sleeved on the inner pull rod and the outer pull rod of the ball head in a sliding manner respectively.

Preferably, the buffer sleeve is fixedly arranged on a threaded ring, the fixed sleeve is arranged on the buffer sleeve, the fixed sleeve is fixedly sleeved on the outer pull rod, and the fixed sleeve is a spherical sleeve.

Preferably, the buffer sleeve and the dust-proof sleeve are both rubber corrugated pipes.

Compared with the prior art, the utility model has the beneficial effects that:

according to the ball head inner pull rod and outer pull rod anti-collision device, the connecting assembly, the buffering assembly and the dust cover are matched to form the rubber buffering layer on the outer sides of the ball head inner pull rod and the outer pull rod, when the ball head inner pull rod and the outer pull rod are collided by external force, the rubber buffering layer provides buffering protection, and the influence and damage of foreign object collision on the ball head inner pull rod and the outer pull rod inside are weakened or even eliminated;

the utility model can seal the joint of the ball head inner pull rod and the outer pull rod and the joint of the ball head inner pull rod and the electric power steering gear body through the connecting component, the buffer component and the dust-proof sleeve, thereby providing a dust-proof effect and avoiding dust from influencing the rotation of the joint.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is an enlarged view of the structure at a in fig. 1.

In the figure: 1. an electric booster steering gear body; 2. a universal coupling; 3. a transmission shaft; 4. a steering wheel; 5. steering wheel ball head pull rod assembly; 51. a ball head inner pull rod; 52. an outer tie rod; 6. a dust cover; 7. a support assembly; 71. a threaded ring; 72. a support ball; 8. a buffer assembly; 81. a buffer sleeve; 82. and (5) fixing the sleeve.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a steering wheel assembly with buffer function, including electric power steering wheel body 1, the input of electric power steering wheel body 1 is connected with universal joint 2, universal joint 2's end-to-end connection has transmission shaft 3, transmission shaft 3's end-to-end connection has steering wheel 4, steering wheel bulb pull rod assembly 5 is all installed at electric power steering wheel body 1's upper and lower both ends, steering wheel bulb pull rod assembly 5 includes bulb inner pull rod 51, outer pull rod 52, install dirt proof boot 6 on the bulb inner pull rod 51, supporting component 7 is installed to dirt proof boot 6's lower extreme, supporting component 7 includes two screwed rings 71, supporting ball 72, install buffer component 8 on the outer pull rod 52, buffer component 8 includes buffer sleeve 81, fixed sleeve 82;

the ball head inner pull rod 51 is arranged at the output end of the electric booster steering gear body 1, and the outer pull rod 52 is arranged at the tail end of the ball head inner pull rod 51 in a threaded manner; the dustproof sleeve 6 is adhesively mounted on the outer side of the ball head inner pull rod 51 on the electric booster steering gear body 1, one threaded ring 71 is adhesively mounted on the dustproof sleeve 6, and the supporting ball 72 is arranged on the outer sides of the two threaded rings 71 in a threaded manner; the supporting ball 72 is sleeved on the outer pull rod 52 in a sliding way, and the two threaded rings 71 are sleeved on the ball head inner pull rod 51 and the outer pull rod 52 in a sliding way respectively; the buffer sleeve 81 is adhesively mounted on one threaded ring 71, the fixed sleeve 82 is mounted on the buffer sleeve 81, the fixed sleeve 82 is adhesively sleeved on the outer pull rod 52, and the fixed sleeve 82 is a spherical sleeve; the buffer sleeve 81 and the dust cover 6 are both rubber corrugated pipes.

Working principle: when the ball head internal pull rod and external pull rod type electric booster steering machine is used, a closed protective sleeve is formed by the buffer sleeve 81, the fixed sleeve 82, the supporting ball 72, the threaded ring 71 and the dust-proof sleeve 6, so that a dust-proof effect can be provided for the joint of the ball head internal pull rod 51 and the external pull rod 52 and the joint of the ball head internal pull rod 51 and the electric booster steering machine body 1, dust is prevented from influencing the rotation of the joint, a rubber buffer layer can be formed on the outer side of the ball head internal pull rod 51 and the outer pull rod 52, and when the ball head internal pull rod 51 and the external pull rod 52 are collided by external force, the buffer protection is provided by utilizing elastic deformation, so that the influence and damage caused by foreign object collision to the internal ball head internal pull rod 51 and the external pull rod 52 are weakened and even eliminated, and the ball head internal pull rod type electric booster steering machine has the advantages of convenience in use and good use effect.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Steering wheel assembly with buffer function, including electric power steering wheel body (1), its characterized in that: the utility model provides an electric power steering gear, including electric power steering gear body (1), the input of electric power steering gear body (1) is connected with universal joint (2), the end-to-end connection of universal joint (2) has transmission shaft (3), the end-to-end connection of transmission shaft (3) has steering wheel (4), the upper and lower both ends of electric power steering gear body (1) all are provided with steering gear ball head pull rod assembly (5), steering gear ball head pull rod assembly (5) include ball head inner pull rod (51), outer pull rod (52), be provided with dust cover (6) on ball head inner pull rod (51), the lower extreme of dust cover (6) is provided with supporting component (7), supporting component (7) include two screwed rings (71), supporting ball (72), be provided with buffer assembly (8) on outer pull rod (52), buffer assembly (8) include buffer sleeve (81), fixed cover (82).

2. A steering wheel assembly with cushioning function as set forth in claim 1, wherein: the ball head inner pull rod (51) is arranged at the output end of the electric power steering gear body (1), and the outer pull rod (52) is arranged at the tail end of the ball head inner pull rod (51) in a threaded manner.

3. A steering wheel assembly with cushioning function as set forth in claim 2, wherein: the dustproof cover (6) is fixedly arranged on the outer side of the ball head inner pull rod (51) on the electric power steering gear body (1), one threaded ring (71) is arranged on the dustproof cover (6), and the supporting ball (72) is arranged on the outer sides of the two threaded rings (71) in a threaded mode.

4. A steering wheel assembly with cushioning function as set forth in claim 3, wherein: the support ball (72) is slidably sleeved on the outer pull rod (52), and the two threaded rings (71) are slidably sleeved on the ball head inner pull rod (51) and the outer pull rod (52) respectively.

5. The steering wheel assembly with cushioning function of claim 4, wherein: the buffer sleeve (81) is fixedly arranged on the threaded ring (71), the fixing sleeve (82) is arranged on the buffer sleeve (81), the fixing sleeve (82) is arranged on the outer pull rod (52), and the fixing sleeve (82) is a spherical sleeve.

6. The steering wheel assembly with cushioning function of claim 5, wherein: the buffer sleeve (81) and the dust-proof sleeve (6) are rubber corrugated pipes.