CN216232531U

CN216232531U - Rotary supporting structure of steering wheel

Info

Publication number: CN216232531U
Application number: CN202121888585.7U
Authority: CN
Inventors: 尹俊; 丁家春; 秦琦; 史宏磊; 戴宗明; 谷成清
Original assignee: Nanjing Yishun Auto Parts Co ltd
Current assignee: Nanjing Yishun Auto Parts Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-04-08
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a rotary supporting structure of a steering wheel, which comprises a steering wheel rim, wherein a pressing disc which is in rotary fit with the steering wheel rim is arranged at the center of the lower end of the steering wheel rim; a pressing disc, a transmission shaft and a mounting disc are arranged below the rim of the steering wheel, a pressure spring is arranged between the bearing disc and the mounting disc, and the pressure spring acts on the bearing disc in a use state to enable a pushing block at the top of the bearing disc to be pressed and abutted against the pressing ring, so that a support is formed at the lower end of the rim of the steering wheel, and the rotation stability of the rim of the steering wheel is improved; meanwhile, the position of the pushing and abutting block between the abutting disc and the bearing disc can be adjusted in a sliding mode, and the wheel ring of the steering wheel can be inclined at different angles by adjusting the position of the pushing and abutting block, so that flexible adjustment can be conducted according to requirements.

Description

Rotary supporting structure of steering wheel

Technical Field

The utility model relates to the field of steering wheels, in particular to a rotary supporting structure of a steering wheel.

Background

The main function of the steering wheel is to convert the force applied by the driver to the rim of the steering wheel into a torque which is then transmitted to the steering shaft. When steering with a larger diameter steering wheel, the driver's hand force on the steering wheel may be smaller. The steering transmission shaft is used as a connecting piece between the steering gear and the steering shaft, so that the universality of the steering gear is facilitated, errors generated during manufacturing and installation are compensated, and the installation of the steering gear and the steering wheel on the whole vehicle is more reasonable.

The conventional steering wheel is mostly installed through a single bearing, and the stability of the whole rotation of the steering wheel can be influenced if the bearing is spacious in the long-term use process; in addition, the inclination angle of the traditional steering wheel is relatively inconvenient to adjust in the using process, and the traditional steering wheel is difficult to flexibly adjust according to requirements in the using process.

Therefore, how to solve the defects of the prior art is a subject of the present invention.

Disclosure of Invention

In order to solve the above problems, the present invention discloses a rotation support structure of a steering wheel.

In order to achieve the above purpose, the utility model provides the following technical scheme: a rotary supporting structure of a steering wheel comprises a steering wheel rim, wherein a pressing disc which is in rotary fit with the steering wheel rim is arranged at the center of the lower end of the steering wheel rim, a transmission shaft connected with the center of the steering wheel rim penetrates through the center of the pressing disc, and an installation disc is rotatably sleeved on the transmission shaft and corresponds to the lower part of the pressing disc;

a bearing disc is arranged between the mounting disc and the abutting disc, a through hole is arranged at the center of the bearing disc, the transmission shaft penetrates through the through hole and is in clearance fit with the through hole, a circle of abutting ring is formed on the bottom surface of the abutting disc along the circumferential direction, a circle of inclined annular abutting surface is formed on the outer side of the bottom end of the abutting ring from bottom to top, a plurality of adjusting components which are arranged in an annular shape are arranged at the top of the bearing disc and correspond to the lower part of the annular abutting surface, each adjusting component comprises a connecting block fixed on the bearing disc and an abutting block arranged on the side part of the connecting block, an acting inclined plane is obliquely extended from top to bottom from the top end of the abutting block, the abutting block is connected on the bearing disc in a sliding mode along the horizontal direction, the acting inclined plane of the abutting block is in contact fit with the annular abutting surface, and an adjusting screw rod horizontally penetrates through the abutting block towards the abutting block through threads, the threaded end of the adjusting screw rod penetrates through the connecting block and is rotatably connected to the pushing block;

a pressure spring is arranged between the bearing disc and the mounting disc, the pressure spring is sleeved outside the transmission shaft and acts on the bearing disc, and a pushing and abutting block at the top of the bearing disc is pressed and abutted against the abutting ring.

In the above scheme, a plurality of balls are embedded and mounted on the acting inclined plane, and the balls are in rolling contact with the annular abutting surface for matching.

In the above scheme, at least three pushing blocks are arranged, and the three pushing blocks are annularly arranged below the pressing ring.

In the above scheme, four pushing and supporting blocks are uniformly arranged, the four pushing and supporting blocks are arranged in pairs in an opposite manner, and a connecting line between the two oppositely arranged pushing and supporting blocks penetrates through the axis of the transmission shaft.

In the scheme, the side part of the connecting block is provided with the locking screw in a penetrating way through threads, and the threaded end of the locking screw is pressed and abutted against the adjusting screw rod.

Compared with the prior art, the utility model has the following advantages: the pressing disc, the transmission shaft and the mounting disc are arranged below the rim of the steering wheel, the pressure spring is arranged between the bearing disc and the mounting disc, and the pressure spring acts on the bearing disc in a use state to enable the pushing block at the top of the bearing disc to be pressed and abutted against the pressing ring, so that the support is formed at the lower end of the rim of the steering wheel, and the rotation stability of the rim of the steering wheel is improved; meanwhile, the position of the pushing and abutting block between the abutting plate and the bearing plate can be adjusted in a sliding mode, the steering wheel rim can be inclined at different angles by adjusting the position of the pushing and abutting block, and flexible adjustment can be conducted according to use requirements.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention.

List of reference numerals: the steering wheel comprises a 100 steering wheel rim, a 200 pressing disc, a 201 pressing ring, a 211 annular pressing surface, a 300 transmission shaft, a 301 mounting disc, a 400 bearing disc, a 401 through hole, a 402 connecting block, a 403 pushing block, a 404 adjusting screw rod, a 431 acting inclined plane, 432 balls and a 500 pressure spring.

Detailed Description

The present invention will be further illustrated below with reference to specific embodiments, which are to be understood as merely illustrative and not limitative of the scope of the present invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): referring to fig. 1-2, a rotary supporting structure of a steering wheel includes a steering wheel rim 100, a pressing plate 200 rotatably fitted to the steering wheel rim 100 is disposed at the center of the lower end of the steering wheel rim 100, and the bottom end of the pressing plate 200 is rotatably connected to the pressing plate 200 through a bearing;

a transmission shaft 300 connected with the center of the steering wheel rim 100 penetrates through the center of the pressing disc 200, and a mounting disc 301 is rotatably connected below the transmission shaft 300 corresponding to the pressing disc 200 through a bearing;

a bearing disc 400 is arranged between the mounting disc 301 and the abutting disc 200, a through hole 401 is arranged at the center of the bearing disc 400, the transmission shaft 300 passes through the through hole 401 and is in clearance fit with the through hole, a circle of abutting ring 201 is formed on the bottom surface of the abutting disc 200 along the circumferential direction, a circle of inclined annular abutting surface 211 is formed on the outer side of the bottom end of the abutting ring 201 from bottom to top, a plurality of adjusting components arranged in an annular shape are arranged on the top of the bearing disc 400 corresponding to the lower part of the annular abutting surface 211, each adjusting component comprises a connecting block 402 fixed on the bearing disc 400 and an abutting block 403 arranged on the side part of the connecting block 402, an acting inclined plane 431 is obliquely extended from top to bottom from the top of the abutting block 403, the abutting block 403 is slidably connected to the bearing disc 400 along the horizontal direction, and the acting inclined plane 431 of the abutting block 403 is in contact fit with the annular abutting surface 211, an adjusting screw rod 404 is horizontally threaded on the connecting block 402 towards the pushing block 403, and the threaded end of the adjusting screw rod 404 penetrates through the connecting block 402 and is rotatably connected to the pushing block 403;

a pressure spring 500 is arranged between the bearing disc 400 and the mounting disc 301, the pressure spring 500 is sleeved outside the transmission shaft 300 and acts on the bearing disc 400, and a pushing block 403 at the top of the bearing disc 400 is pressed and abutted against the pressing ring 201.

In a use state, the bearing disc 400 is fixedly connected with a corresponding mounting frame in a vehicle, and the pressure spring 500 acts on the bearing disc 400, so that the pushing block 403 at the top of the bearing disc 400 is pressed against the annular pressing surface 211 of the pressing ring 201, and a support is formed at the lower end of the steering wheel rim 100, and the rotation stability of the steering wheel rim is improved; meanwhile, the position of the abutting block 403 between the abutting disc 200 and the bearing disc 400 can be adjusted in a sliding manner, the position of the abutting block 403 can be adjusted by rotating the adjusting screw 404, the abutting block 403 acts on the abutting ring 201, the steering wheel rim 100 can be inclined at different angles, and therefore flexible adjustment can be performed according to use requirements.

In order to make the sliding between the acting slope 431 and the annular abutting surface 211 smoother, a plurality of balls 432 are embedded in the acting slope 431, and the balls 432 are matched with the annular abutting surface 211 in a rolling contact manner.

In order to adjust more positions of the pushing and abutting blocks 403, at least three pushing and abutting blocks 403 are provided, and the three pushing and abutting blocks 403 are annularly arranged below the abutting ring 201.

Specifically, four pushing blocks 403 are uniformly arranged, each two of the four pushing blocks 403 are arranged oppositely, a connecting line between the two oppositely arranged pushing blocks 403 passes through the axis of the transmission shaft 300, and the inclined position of the disc wheel rim 100 in the direction of the connecting line between the two pushing blocks 403 can be adjusted by synchronously adjusting the positions of the multiple pushing blocks 403.

The side of the connecting block 402 is threaded with a locking screw, the threaded end of the locking screw is pressed against the adjusting screw 404, and the position of the adjusting screw 404 can be locked by tightening the locking screw, so that the locking screw is prevented from being mistakenly touched.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. A rotation support structure of a steering wheel, characterized in that: the steering wheel rim comprises a steering wheel rim (100), wherein a pressing disc (200) which is in running fit with the steering wheel rim (100) is arranged at the center of the lower end of the steering wheel rim (100), a transmission shaft (300) which is connected with the center of the steering wheel rim (100) penetrates through the center of the pressing disc (200), and a mounting disc (301) is rotatably sleeved on the transmission shaft (300) and corresponds to the lower part of the pressing disc (200);

the bearing disc (400) is arranged between the mounting disc (301) and the pressing disc (200), a through hole (401) is formed in the center of the bearing disc (400), the transmission shaft (300) penetrates through the through hole (401) and is in clearance fit with the through hole, a circle of pressing ring (201) is formed on the bottom surface of the pressing disc (200) along the circumferential direction of the pressing ring, a circle of inclined annular pressing surface (211) is formed on the outer side of the bottom end of the pressing ring (201) from bottom to top, a plurality of adjusting assemblies in annular arrangement are arranged on the top of the bearing disc (400) and below the annular pressing surface (211), each adjusting assembly comprises a connecting block (402) fixed on the bearing disc (400) and a pressing block (403) arranged on the side of the connecting block (402), an action inclined plane (431) extends from top to bottom in an inclined manner, and the pressing block (403) is connected to the bearing disc (400) in a sliding manner along the horizontal direction, an acting inclined surface (431) of the pushing and abutting block (403) is in contact fit with the annular pushing and pressing surface (211), an adjusting screw rod (404) horizontally penetrates through the connecting block (402) towards the pushing and abutting block (403) through threads, and the threaded end of the adjusting screw rod (404) penetrates through the connecting block (402) and is rotatably connected to the pushing and abutting block (403);

bear and be provided with pressure spring (500) between dish (400) and installing disc (301), this pressure spring (500) cover is established in transmission shaft (300) outside and is acted on bearing dish (400) to make and bear and press block (403) of dish (400) top and compress tightly to lean on to compress ring (201).

2. A rotation support structure of a steering wheel according to claim 1, wherein: a plurality of balls (432) are embedded in the acting inclined surface (431), and the balls (432) are matched with the annular abutting surface (211) in a rolling contact mode.

3. A rotation support structure of a steering wheel according to claim 1, wherein: the number of the pushing and abutting blocks (403) is at least three, and the three pushing and abutting blocks (403) are arranged below the abutting ring (201) in an annular mode.

4. A rotation support structure of a steering wheel according to claim 3, wherein: four pushing and supporting blocks (403) are uniformly arranged, the four pushing and supporting blocks (403) are arranged in pairs in an opposite mode, and a connecting line between the two oppositely arranged pushing and supporting blocks (403) penetrates through the axis of the transmission shaft (300).

5. A rotation support structure of a steering wheel according to claim 1, wherein: the side part of the connecting block (402) is threaded with a locking screw, and the threaded end of the locking screw is pressed against the adjusting screw rod (404).