CN215752603U

CN215752603U - Steering column with adjustable ratchet locking mechanism

Info

Publication number: CN215752603U
Application number: CN202121348313.8U
Authority: CN
Inventors: 王建明; 范建萍; 吕卓
Original assignee: Jiangsu Golden Transmission Co ltd
Current assignee: Jiangsu Golden Transmission Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-02-08
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a steering column with an adjustable ratchet wheel locking mechanism, which comprises an aluminum support, an aluminum base and an adjusting block, wherein the aluminum base is arranged at the lower end of the aluminum support, a support welding assembly is arranged at the lower end of the aluminum base, and a front and rear adjusting bolt penetrates through the aluminum base. The adjusting handle is matched with the adjusting block, so that the locking effect between the aluminum base and the bracket welding assembly can be quickly released, the adjustment is convenient, the height and the front and back positions of the steering shaft welding lock sleeve assembly relative to the bracket welding assembly are improved, the practicability of the steering column and the adjusting effect during vehicle body installation are improved, the adjusting handle is matched with the adjusting block in an elastic manner, the steep surface and the slow surface of two groups of ratchet teeth are matched to achieve the one-way locking effect, the front and back adjusting bolts can be quickly locked and released by matching with the adjusting block, and meanwhile, a certain supporting force can be provided between the steering shaft welding lock sleeve assembly and the bracket welding assembly by using the tension spring, so that the adjusting mode is more convenient.

Description

Steering column with adjustable ratchet locking mechanism

Technical Field

The utility model relates to the field of automobile manufacturing, in particular to a steering column with an adjustable ratchet locking mechanism.

Background

An automobile steering column is an important component of an automobile steering system and is a steering mechanism for connecting a steering wheel and a steering gear. The steering column is an important component of a steering operation mechanism of an automobile steering system, and changes or restores the traveling direction of an automobile together with other mechanisms. When the automobile is turned, the driver applies a steering torque to the steering wheel, and the torque is input into the steering gear through the steering column.

In the existing machining field, a steering column action center connecting piece bears the action of lifting and lowering, and has certain allowable error in the machining process, and when the steering column center piece is installed, the error value can deviate, so that the steering column is required to be finely adjusted between vehicle bodies, the relation between a steering wheel and a steering gear can be well connected, the error is reduced, the user experience is improved, and the strength of an adjusting mechanism is required to be ensured.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a steering column with an adjustable ratchet locking mechanism to solve the above problems.

The utility model realizes the purpose through the following technical scheme:

the utility model provides a steering column with adjustable ratchet locking mechanism, includes aluminium support, aluminium system base, adjusting block, the aluminium support lower extreme is provided with aluminium system base, aluminium system base lower extreme is provided with the scaffold weldment assembly, adjusting bolt around having passed on the aluminium system base, aluminium system base with be provided with the cooperation groove of adjusting around between the adjusting bolt, adjusting bolt one end is provided with the adjusting block around, the adjusting block with be provided with the spacing gasket of adjusting around between the aluminium system base, adjusting block one end is provided with adjustment handle, adjustment handle one end is provided with the second packing ring, second packing ring one end is provided with flat bearing, adjusting bolt top is locked through second hexagonal lock nut around, adjust the spacing gasket around, the adjusting block the adjusting handle, the second packing ring, The planar bearing penetrates through the front and rear adjusting bolts, upper and lower adjusting bolts are arranged on the rear sides of the front and rear adjusting bolts, upper and lower adjusting matching grooves are formed between the upper and lower adjusting bolts and the aluminum base, nylon sliders are arranged between the upper and lower adjusting bolts and the aluminum base, the upper and lower adjusting bolts penetrate through one end of the aluminum base and are provided with first gaskets, the upper and lower adjusting bolts are located at one ends of the first gaskets and are locked through first hexagonal locking nuts, ear hooks are arranged at the bottoms of the support welding assembly and the aluminum base, and the two ear hooks are connected through tension springs;

the adjusting block comprises a first ratchet wheel, a second ratchet wheel and ratchet teeth, the first ratchet wheel and the second ratchet wheel are symmetrically arranged, the opposite surfaces of the first ratchet wheel and the second ratchet wheel are respectively provided with the ratchet teeth, the ratchet teeth are meshed with each other, the inner side surfaces of the first ratchet wheel and the second ratchet wheel are respectively provided with four ratchet teeth, each ratchet tooth is divided into a steep surface and a gentle surface, the steep surface and the steep surface are matched with each other, and the gentle surface are matched with each other.

Preferably: the inside steering spindle that is provided with of aluminium support welds the lock sleeve assembly, the steering spindle welds the lock sleeve assembly front end and is provided with the plain washer, the plain washer front end is locked through the thin nut of hexagonal, the plain washer rear side is provided with the circlip for the axle, the axle with circlip inboard with the steering spindle welds and is provided with deep groove ball bearing between the lock sleeve assembly, lie in on the steering spindle welds the lock sleeve assembly the thin nut of hexagonal other end is connected with the lower shaft assembly.

Preferably: the aluminum support and the aluminum base are integrally formed and made of aluminum alloy.

So set up, integrated into one piece has guaranteed the aluminum support with overall stability between the aluminium system base to guarantee the stratum effect in later stage, utilize the aluminum alloy to improve the holistic intensity of device when subtracting the weight simultaneously.

Preferably: the up-down adjusting matching groove and the front-back adjusting matching groove are integrally formed on the up-down adjusting bolt, and the aluminum base is designed in a hollow mode.

So set up, adjust the cooperation groove from top to bottom with adjust the cooperation groove from top to bottom and be used for spacingly around adjusting bolt with adjust bolt from top to bottom, thereby guarantee aluminium support is spacing when carrying out angular position adjustment, guarantees the stability of adjusting and the supporting effect in later stage.

Preferably: the elastic retainer ring for the shaft, the deep groove ball bearing and the lower shaft assembly are in interference fit with the steering shaft welding lock sleeve assembly.

So set up, interference fit has guaranteed the connection effect, reduces the clearance, avoids taking place to rock.

Preferably: the swing limit of the adjusting handle is 42 degrees.

So set up, utilize spacing assurance locking effect when utilizing the adjusting block.

Preferably: the first ratchet wheel is connected with the front and back adjusting limiting gasket in a clamped mode, and the second ratchet wheel is connected with the adjusting handle in a clamped mode.

So set up, thereby utilize the joint simple to operate to utilize the joint can avoid taking place to drop, guarantee the transmission of moment with the locking effect of adjusting block.

Preferably: the plane bearing is in clearance fit with the front and rear adjusting bolts.

So set up, the plane bearing is used for provide horizontal holding power when adjustment handle overturns to offset adjustment handle frictional force when the upset, convenience when guaranteeing the regulation.

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

1. the locking effect between the aluminum base and the bracket welding assembly can be quickly released by matching the adjusting handle with the adjusting block, so that the adjustment is convenient, the height and the front and back positions of the steering shaft welding lock sleeve assembly relative to the bracket welding assembly are improved, and the practicability of the steering column and the adjusting effect during the installation of a vehicle body are improved;

2. utilize adjustment handle to the cooperation elasticity of adjusting block, utilize the cooperation of the steep face of two sets of ratchet teeth and the face of slowing, reach the effect of one-way locking, the cooperation adjusting block can lock fast and loosen front and back adjusting bolt, utilizes the extension spring to provide certain holding power simultaneously between can welding lock sleeve assembly and the scaffold weldment assembly for the steering spindle for the regulation mode is more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a first structural schematic view of a steering column having an adjustable ratchet locking mechanism according to the present invention;

FIG. 2 is a second structural schematic of a steering column having an adjustable ratchet locking mechanism according to the present invention;

FIG. 3 is a right side view of a steering column having an adjustable ratchet locking mechanism according to the present invention;

FIG. 4 is a top plan view of a steering column having an adjustable ratchet locking mechanism according to the present invention;

FIG. 5 is a front view of a steering column having an adjustable ratchet locking mechanism according to the present invention;

FIG. 6 is a schematic view of an adjustment block for a steering column having an adjustable ratchet locking mechanism according to the present invention;

FIG. 7 is a cross-sectional view at C of a steering column having an adjustable ratchet locking mechanism according to the present invention;

FIG. 8 is a cross-sectional view taken at D of a steering column having an adjustable ratchet locking mechanism according to the present invention;

FIG. 9 is a first structural schematic view of ratchet teeth of a steering column having an adjustable ratchet locking mechanism in accordance with the present invention;

FIG. 10 is a second configuration of ratchet teeth of a steering column having an adjustable ratchet locking mechanism according to the present invention.

The reference numerals are explained below:

1. a hexagonal thin nut; 2. a flat washer; 3. a steering shaft is welded with a lock sleeve assembly; 4. a circlip for the shaft; 5. a deep groove ball bearing; 6. an aluminum bracket; 7. a lower shaft assembly; 8. a tension spring; 9. a bracket welding assembly; 10. adjusting the bolt up and down; 11. a nylon slider; 12. a first gasket; 13. a first hexagonal lock nut; 14. a front and rear adjusting bolt; 15. an adjusting block; 16. an adjusting handle; 17. a second gasket; 18. a flat bearing; 19. a second hexagonal lock nut; 20. an aluminum base; 21. adjusting the matching groove up and down; 22. a front and rear adjustment fitting groove; 23. adjusting the limiting gasket forwards and backwards; 151. a first ratchet wheel; 152. a second ratchet wheel; 153. ratchet teeth.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

example 1

As shown in fig. 1-10, a steering column with an adjustable ratchet locking mechanism comprises a steering shaft welding lock sleeve assembly 3, an aluminum support 6, an aluminum base 20 and an adjusting block 15, wherein the front end of the steering shaft welding lock sleeve assembly 3 is provided with a flat washer 2, the front end of the flat washer 2 is locked by a hexagonal thin nut 1, the rear side of the flat washer 2 is provided with a shaft elastic check ring 4, a deep groove ball bearing 5 is arranged between the inner side of the shaft elastic check ring 4 and the steering shaft welding lock sleeve assembly 3, the outer part of the steering shaft welding lock sleeve assembly 3 is provided with the aluminum support 6, the other end of the hexagonal thin nut 1 on the steering shaft welding lock sleeve assembly 3 is connected with a lower shaft assembly 7, the lower end of the aluminum support 6 is provided with the aluminum base 20, the lower end of the aluminum base 20 is provided with a support welding assembly 9, the aluminum base 20 is provided with a front and rear adjusting bolt 14, a front and rear adjusting matching groove 22 is arranged between the aluminum base 20 and the front and rear adjusting bolt 14, an adjusting block 15 is arranged at one end of the front-back adjusting bolt 14, a front-back adjusting limit gasket 23 is arranged between the adjusting block 15 and the aluminum base 20, an adjusting handle 16 is arranged at one end of the adjusting handle 16, a second gasket 17 is arranged at one end of the adjusting handle 16, a plane bearing 18 is arranged at one end of the second gasket 17, the top end of the front-back adjusting bolt 14 is locked through a second hexagonal locking nut 19, the front-back adjusting limit gasket 23, the adjusting block 15, the adjusting handle 16, the second gasket 17 and the plane bearing 18 all penetrate through the front-back adjusting bolt 14, an up-down adjusting bolt 10 is arranged at the rear side of the front-back adjusting bolt 14, an up-down adjusting matching groove 21 is arranged between the up-down adjusting bolt 10 and the aluminum base 20, a nylon sliding block 11 is arranged between the up-down adjusting bolt 10 and the aluminum base 20, a first gasket 12 is arranged at one end of the up-down adjusting bolt 10, which is positioned at one end of the first gasket 12, and is locked through a first hexagonal locking nut 13, the bracket welding assembly 9 and the bottom of the aluminum base 20 are both provided with ear hooks, and the two ear hooks are connected through a tension spring 8;

the adjusting block 15 comprises a first ratchet wheel 151, a second ratchet wheel 152 and ratchet teeth 153, wherein the first ratchet wheel 151 and the second ratchet wheel 152 are symmetrically arranged, the opposite surfaces of the first ratchet wheel 151 and the second ratchet wheel 152 are respectively provided with the ratchet teeth 153, the two ratchet teeth 153 are meshed with each other, the inner side surfaces of the first ratchet wheel 151 and the second ratchet wheel 152 are respectively provided with four ratchet teeth 153, each ratchet tooth 153 is divided into a steep surface and a gentle surface, the steep surface and the steep surface are matched between the two groups of ratchet teeth 153, and the gentle surface is matched with the gentle surface.

Preferably: the aluminum support 6 and the aluminum base 20 are integrally formed and made of aluminum alloy, the integral stability between the aluminum support 6 and the aluminum base 20 is guaranteed through the integral forming, the later-stage layer effect is guaranteed, and meanwhile the overall strength of the device is improved while the weight of the aluminum alloy is reduced; the up-down adjusting matching groove 21 and the front-back adjusting matching groove 22 are integrally formed in the up-down adjusting bolt 10, the aluminum base 20 is in a hollow design, and the up-down adjusting matching groove 21 and the front-back adjusting matching groove 22 are used for limiting the front-back adjusting bolt 14 and the up-down adjusting bolt 10, so that the limitation of the aluminum support 6 during the angular position adjustment is ensured, and the stability of the adjustment and the later supporting effect are ensured; the elastic retaining ring 4 for the shaft, the deep groove ball bearing 5 and the lower shaft assembly 7 are in interference fit with the steering shaft welding lock sleeve assembly 3, and the interference fit ensures the connection effect, reduces the clearance and avoids shaking; the swing limit of the adjusting handle 16 is 42 degrees, and the locking effect when the adjusting block 15 is used is ensured by using limit; the first ratchet wheel 151 is clamped with the front-back adjusting limiting gasket 23, the second ratchet wheel 152 is clamped with the adjusting handle 16, the installation is convenient by clamping, the falling off can be avoided by clamping, and the transmission of torque and the locking effect of the adjusting block 15 are ensured; the plane bearing 18 is in clearance fit with the front and rear adjusting bolts 14, and the plane bearing 18 is used for providing transverse supporting force for the adjusting handle 16 during overturning, so that the friction force of the adjusting handle 16 during overturning is offset, and the convenience during adjusting is ensured.

The working principle is as follows: after the bracket welding assembly 9 is fixed on a vehicle body, the top end of the steering shaft welding lock sleeve assembly 3 and the tail end of the lower shaft assembly 7 are respectively fixed on a steering wheel and a steering gear, when the front and back position and the up and down position of the device are required to be adjusted, the adjusting handle 16 is pulled, the transverse supporting force provided by the plane bearing 18 is utilized, the clamping holes on the adjusting handle 16 and the front and back adjusting bolt 14 respectively provide a torsion force for the second ratchet wheel 152 and the first ratchet wheel 151, the steep surfaces of the two groups of ratchet teeth 153 are separated under the condition of external force, so that the first ratchet wheel 151 and the second ratchet wheel 152 are separated, the angle and the front and back position of the device are adjusted by utilizing the supporting force provided by the tension spring 8, after the adjusting handle 16 is pulled reversely, the ratchet teeth 153 between the first ratchet wheel 151 and the second ratchet wheel 152 are engaged, the slow surfaces of the two groups of ratchet teeth 153 are rotated and combined more easily under the condition of the external force, and after combination, the steep surfaces of the two groups of ratchet teeth 153 are matched, so that the loosening condition can be avoided, the aluminum base 20 is positioned at the fixed position of the bracket welding assembly 9 and is locked, and the supporting effect of the steering shaft welding lock sleeve assembly 3 is ensured.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A steering column with adjustable ratchet locking mechanism, its characterized in that: comprises an aluminum support (6), an aluminum base (20) and an adjusting block (15), wherein the aluminum base (20) is arranged at the lower end of the aluminum support (6), a support welding assembly (9) is arranged at the lower end of the aluminum base (20), a front adjusting bolt and a rear adjusting bolt (14) are passed through the aluminum base (20), a front adjusting matching groove and a rear adjusting matching groove (22) are arranged between the aluminum base (20) and the front adjusting bolt and the rear adjusting bolt (14), the adjusting block (15) is arranged at one end of the front adjusting bolt and the rear adjusting bolt (14), a front adjusting limiting gasket (23) and a rear adjusting limiting gasket (23) are arranged between the adjusting block (15) and the aluminum base (20), an adjusting handle (16) is arranged at one end of the adjusting handle (16), a second gasket (17) is arranged at one end of the second gasket (17), a plane bearing (18) is arranged at one end of the second gasket (17), and the top end of the front adjusting bolt and the rear adjusting bolt (14) is locked by a second hexagonal locking nut (19), the front and back adjusting limiting gasket (23), the adjusting block (15), the adjusting handle (16), the second gasket (17) and the plane bearing (18) all penetrate through the front and back adjusting bolt (14), an upper adjusting bolt and a lower adjusting bolt (10) are arranged on the rear side of the front and back adjusting bolt (14), an upper adjusting matching groove and a lower adjusting matching groove (21) are arranged between the upper adjusting bolt and the lower adjusting bolt (10) and the aluminum base (20), a nylon sliding block (11) is arranged between the upper adjusting bolt and the lower adjusting bolt (10) and the aluminum base (20), a first gasket (12) is arranged at one end of the upper adjusting bolt and the lower adjusting bolt (10) penetrating through the aluminum base (20), one end of the upper adjusting bolt and the lower adjusting bolt (10) positioned on the first gasket (12) is locked through a first hexagonal locking nut (13), and ear hooks are arranged at the bottoms of the support welding assembly (9) and the aluminum base (20), the two ear hangers are connected through a tension spring (8);

the adjusting block (15) comprises a first ratchet wheel (151), a second ratchet wheel (152) and ratchet teeth (153), wherein the first ratchet wheel (151) and the second ratchet wheel (152) are symmetrically arranged, the opposite surfaces of the first ratchet wheel (151) and the second ratchet wheel (152) are respectively provided with the ratchet teeth (153) and two ratchet teeth (153) are meshed, the inner side surfaces of the first ratchet wheel (151) and the second ratchet wheel (152) are respectively provided with four ratchet teeth (153) and each ratchet tooth (153) is divided into a steep surface and a gentle surface, the steep surface and the steep surface are matched, and the gentle surface is matched with the gentle surface between the ratchet teeth (153).

2. A steering column having an adjustable ratchet locking mechanism according to claim 1, wherein: the aluminium support (6) inside steering spindle welds lock sleeve assembly (3) of being provided with, the steering spindle welds lock sleeve assembly (3) front end and is provided with plain washer (2), plain washer (2) front end is locked through thin nut of hexagonal (1), plain washer (2) rear side is provided with axle circlip (4), axle circlip (4) inboard with the steering spindle welds and is provided with deep groove ball bearing (5) between lock sleeve assembly (3), lie in on the steering spindle welds lock sleeve assembly (3) the thin nut of hexagonal (1) other end is connected with lower shaft assembly (7).

3. A steering column having an adjustable ratchet locking mechanism according to claim 1, wherein: the aluminum support (6) and the aluminum base (20) are integrally formed and made of aluminum alloy.

4. A steering column having an adjustable ratchet locking mechanism according to claim 1, wherein: the up-down adjusting matching groove (21) and the front-back adjusting matching groove (22) are integrally formed in the up-down adjusting bolt (10), and the aluminum base (20) is designed in a hollow mode.

5. A steering column having an adjustable ratchet locking mechanism according to claim 2, wherein: the shaft elastic retainer ring (4), the deep groove ball bearing (5) and the lower shaft assembly (7) are in interference fit with the steering shaft welding lock sleeve assembly (3).

6. A steering column having an adjustable ratchet locking mechanism according to claim 1, wherein: the swing limit of the adjusting handle (16) is 42 degrees.

7. A steering column having an adjustable ratchet locking mechanism according to claim 1, wherein: the first ratchet wheel (151) is connected with the front-back adjusting limiting gasket (23) in a clamped mode, and the second ratchet wheel (152) is connected with the adjusting handle (16) in a clamped mode.

8. A steering column having an adjustable ratchet locking mechanism according to claim 1, wherein: the plane bearing (18) is in clearance fit with the front and rear adjusting bolts (14).