CN214493064U

CN214493064U - Novel automobile steering column angle adjusting and noise reducing structure

Info

Publication number: CN214493064U
Application number: CN202120299654.4U
Authority: CN
Inventors: 袁豆; 张斐; 杨龙; 杜轩; 刘静; 陈东
Original assignee: Wuhan Jielong Electric Power Steering Co Ltd
Current assignee: Wuhan Jielong Electric Power Steering Co Ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-26
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to a novel structure of making an uproar falls in steering column angle modulation belongs to the automobile steering system spare part technical field. The pipe column assembly comprises an upper pipe column, a lower pipe column and a connecting shaft, wherein the upper pipe column and the lower pipe column are connected in an interference fit manner to form a pipe column assembly, an upper pipe column support is arranged on the upper pipe column, an upper mounting support is arranged on the upper pipe column support through an angle adjusting support, sliding holes A are symmetrically arranged on the upper pipe column support in the axial direction, a sliding hole B is arranged on the angle adjusting support corresponding to the sliding hole A, a connecting shaft is movably arranged in the sliding holes A and the sliding hole B in a penetrating manner, a locking mechanism is arranged on the connecting shaft extending to the outer side of the angle adjusting support, a bushing is sleeved at the other end of the connecting shaft and is respectively in sliding connection with the sliding holes A and the sliding holes B, and a limiting mechanism is arranged on the connecting shaft on the outer side of the bushing. This novel structure of making an uproar falls in steering column angular adjustment passes through the bush on the connecting axle, reaches the purpose that the high regulation of steering column of car falls the noise and fall the noise with angular adjustment simultaneously.

Description

Novel automobile steering column angle adjusting and noise reducing structure

Technical Field

The utility model relates to a novel structure of making an uproar falls in steering column angle modulation belongs to the automobile steering system spare part technical field.

Background

As the quantity of automobiles increases year by year, people have increasingly strict requirements on the texture of the drivers of automobiles. For cars, the noise condition in the car is one of the important criteria for measuring the grade and brand of the car. Automobile noise is very important for various automobile manufacturing enterprises in the automobile industry all over the world, and the reduction of the noise of an automobile steering column is an important condition for the market competitiveness of various brands of automobile types.

The automobile steering column is a connecting part arranged between a steering wheel and a steering gear and is mainly used for controlling the automobile advancing direction, transmitting torque and absorbing energy when an automobile is impacted; and the steering column is positioned in the cab, and the height and the angle of the steering column need to be adjusted due to the height of a human body or the habit of driving the vehicle so as to meet the driving requirement. At present, due to structural reasons, in the process of adjusting a steering wheel of a steering column on an automobile, metal friction sound or impact sound is always accompanied by the steering column, so that bad experience is brought to a client, and therefore, in order to provide the optimal driving experience for a terminal client, the adjustment mechanism of the steering column needs to be improved.

Disclosure of Invention

The utility model aims to provide a: the utility model provides a noise that effectively avoids friction production between the metal to bring brand-new experience for the driver, satisfy the novel automobile steering column angular adjustment of market demand and fall the structure of making an uproar.

The technical scheme of the utility model as follows:

the utility model provides a novel structure of making an uproar falls in steering column angular adjustment, includes upper pipe post, lower tubular column, angle modulation support and connecting axle, and the interference fit is connected and is constituted the tubular column assembly, its characterized in that between upper pipe post and the lower tubular column: go up the tubular column and be equipped with the tubular column support of going up, be equipped with the installing support through angle modulation support on the tubular column support of going up, axial symmetry is provided with slide opening A on the tubular column support of going up, is provided with slide opening B on the angle modulation support that corresponds with slide opening A, run through form movable mounting has the connecting axle in slide opening A and the slide opening B, and connecting axle one end extends to the angle modulation support outside, is equipped with locking mechanism on extending to the connecting axle in the outside, and the cover is equipped with the bush on the connecting axle other end, and the bush is equipped with stop gear with slide opening A and slide opening B sliding connection respectively on the connecting axle in the bush outside.

The bushing is in a circular tube shape, one end of the bushing is provided with a boss, the boss is connected with a sliding hole B of the angle adjusting support in a matched sliding contact mode, and the other end of the bushing is connected with a sliding hole A of the upper tubular column support in a matched sliding contact mode.

The boss is in a long round hole shape, and buffer holes are symmetrically formed in the boss.

The locking mechanism comprises a handle, a locking block A and a locking block B, the handle is sleeved on a connecting shaft, the locking block A is arranged on the connecting shaft on one side of the handle and fixedly connected with the handle, the locking block B is arranged on the connecting shaft on one side of the locking block A, sliding grooves and sliding teeth are respectively arranged on the locking block A and the locking block B, the locking block A is in fit engagement with the sliding grooves and the sliding teeth of the locking block B, and the locking block B is clamped and connected with the angle adjusting support.

The limiting mechanism comprises a flat washer, a planar needle roller bearing and a locking nut, the flat washer is sleeved on the connecting shaft and is in abutting connection with the bushing, and the planar needle roller bearing is arranged on the connecting shaft on the outer side of the flat washer through the locking nut.

And the upper mounting bracket is provided with a tearing sheet through a pull-off lock.

The lower pipe column is provided with a lower pipe column support, and the lower pipe column support is provided with a pin shaft through a gasket.

The sliding hole A and the sliding hole B are both oblong holes and are arranged in a staggered mode.

Compared with the prior art, the utility model beneficial effect lie in:

this novel structure practicality of making an uproar falls in steering column angular adjustment is good, simple structure passes through the bush on the connecting axle, reach the purpose that the steering column altitude mixture control falls and fall and make an uproar falls with angular adjustment simultaneously, effectively avoid the steering column in accommodation process, the connecting axle strikes and the condition of sending the noise with metal parts, solved current steering column at the in-process of adjustment steering wheel, always can be accompanied by the book friction sound or impact sound to bring the problem of not good experience for the customer. Has positive significance for improving driving comfort.

Drawings

Fig. 1 is a schematic bottom view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the present invention in partial section;

fig. 4 is a schematic structural view of the locking mechanism, the limiting mechanism and the connecting shaft of the present invention;

FIG. 5 is a schematic structural view of the bushing of the present invention;

FIG. 6 is a schematic cross-sectional view of FIG. 5;

FIG. 7 is a schematic view of the three-dimensional structure of the upper mounting bracket, the pull-off lock and the tearing piece of the present invention;

fig. 8 is a schematic side view of the present invention.

In the figure: 1. putting a pipe column; 2. running a pipe column; 3. an angle adjusting bracket; 4. a connecting shaft; 5. an upper pipe column support; 6. a slide hole A; 7. a gasket; 8. a pin shaft; 9. installing a bracket; 10. pulling the lock; 11. a tear tab; 12. a slide hole B; 13. a handle; 14. a locking block A; 15. a locking block B; 16. a bushing; 17. a boss; 18. a buffer hole; 19. a flat washer; 20. a planar needle bearing; 21. locking the nut; 22. and (4) a lower pipe column bracket.

Detailed Description

As shown in figures 1-8

This novel structure of making an uproar falls in steering column angle modulation of car, including last tubular column 1, lower tubular column 2, angle modulation support 3 and connecting axle 4, go up the tubular column 1 and be connected the constitution tubular column assembly with interference fit between the lower tubular column 2, fixed mounting has last tubular column support 5 on going up tubular column 1, axial symmetry is provided with slide opening A6 on going up tubular column support 5, slide opening A6 is the oblong hole, fixed mounting has lower tubular column support 22 on the lower tubular column 2, install round pin axle 8 through packing ring 7 on the lower tubular column support 22.

An upper mounting bracket 9 is mounted on the upper pipe column bracket 5 through an angle adjusting bracket 3, a tearing piece 11 is mounted on the upper mounting bracket 9 through a pull-off lock 10 and can provide a collapsing force for protecting a driver, a sliding hole B12 is arranged on the angle adjusting bracket 3 corresponding to a sliding hole A6 of the upper pipe column bracket 5, the sliding hole B12 is a long circular hole, and the sliding hole B12 and the sliding hole A6 are arranged in a staggered mode.

The connecting shaft 4 is movably installed in a penetrating mode in a sliding hole A6 of the upper pipe column support 5 and a sliding hole B12 of the angle adjusting support 3, one end of the connecting shaft 4 extends to the outer side of the angle adjusting support 3, a locking mechanism is installed on the connecting shaft 4 of the angle adjusting support 3 extending to the outer side, the locking mechanism comprises a handle 13, a locking block A14 and a locking block B15, the handle 13 is sleeved on the connecting shaft 4, a locking block A14 is sleeved on the connecting shaft 4 on one side of the handle 13, the locking block A14 is fixedly connected with the handle 13, a locking block B15 is sleeved on the connecting shaft 4 on one side of the locking block A14, sliding grooves and sliding teeth are respectively arranged on the locking block A14 and the locking block B15, the locking block A14 is in matched and meshed connection with the sliding grooves and the sliding teeth of the locking block B15, the locking block B15 is matched and clamped with the sliding hole B12 of the angle adjusting support 3, and the locking block B15 can slide on the sliding hole B12 of the angle adjusting support 3.

The other end of the connecting shaft 4 is sleeved with a bushing 16, the bushing 16 is made of plastic, the bushing 16 is in a circular tube shape, one end of the bushing 16 is provided with a boss 17, the boss 17 is in a long circular hole shape, buffer holes 18 are symmetrically arranged on the boss 17, the buffer holes 18 play a role in buffering when the boss 17 of the bushing 16 is under pressure, the bushing 16 is matched with and in sliding contact with a sliding hole A6 of the upper tubular column support 5, the boss 17 of the bushing 16 is matched with and in sliding contact with a sliding hole B12 of the angle adjusting support 3, and the boss 17 can have a guiding and limiting effect on a sliding hole B12 of the angle adjusting support 3; through the mutual cooperation of the bush 16 and the sliding hole A6 of the upper pipe column support 5 and the sliding hole B12 of the angle adjusting support 3, when the angle of the steering column is adjusted, the novel automobile steering column angle adjusting noise reduction structure can effectively avoid the collision sound generated by the connecting shaft 4 due to angle adjustment in the sliding hole A6 of the upper pipe column support 5 and the sliding hole B12 of the angle adjusting support 3 through the bush 16, and therefore the noise during angle adjustment is reduced.

The limiting mechanism is arranged on the connecting shaft 4 on the outer side of the bushing 16 and comprises a flat washer 19, a planar needle roller bearing 20 and a locking nut 21, the flat washer 19 is sleeved on the connecting shaft 4, the flat washer 19 is in abutting connection with the boss 17 of the bushing 16, the flat washer 19 plays a limiting role on the bushing 16, and the planar needle roller bearing 20 is sleeved on the connecting shaft 4 on the outer side of the flat washer 19 through the locking nut 21.

This novel structure of making an uproar falls in car steering column angle modulation, through upwards swing handle 13, handle 13 drives latch segment A14 and takes place to rotate for latch segment B15, at the pivoted in-process, because latch segment B15 is by last tubular column support 5 and angle modulation support 3 formation spacing unable rotation, spout and the sliding tooth cooperation through latch segment A14 and latch segment B15, latch segment A14 and latch segment B15 are the reciprocal removal each other on the steering shaft, when the interval is the biggest between latch segment A14 and the latch segment B15, cooperation through stop gear and handle 13, thereby make latch mechanism and spacing machine configuration extrude tubular column support 5 and angle modulation support 3, make this novel car steering column form locking state.

Through swing handle 13 downwards, latch segment A14 takes place the pivoted in-process for latch segment B15, latch segment A14 and latch segment B15 are at the epaxial relative motion that turns to, the interval is minimum between latch segment A14 and the latch segment B15 this moment for this novel steering column of car relieves the locked state, this novel steering column of car can carry out height and angle modulation in slide opening A6 of upper column support 5 and the slide opening B12 of angle modulation support 3, in the adjustment process, bush 16 can effectively avoid connecting axle 4 at the slide opening A6 of upper column support 5 and the slide opening B12 of angle modulation support 3 because of the impact sound that produces when adjusting, noise when reducing this steering column of car when adjusting height and angle from this.

Claims

1. The utility model provides a novel structure of making an uproar falls in steering column angular adjustment, includes upper pipe post (1), lower tubular column (2), angle modulation support (3) and connecting axle (4), and interference fit is connected between upper pipe post (1) and lower tubular column (2) and is constituted the tubular column assembly, its characterized in that: go up and be equipped with tubular column support (5) on tubular column (1), go up tubular column support (5) and be equipped with installing support (9) through angle modulation support (3), it is provided with slide opening A (6) to go up axial symmetry on tubular column support (5), is provided with slide opening B (12) on angle modulation support (3) that correspond with slide opening A (6), run through form movable mounting in slide opening A (6) and slide opening B (12) has connecting axle (4), and connecting axle (4) one end extends to the angle modulation support (3) outside, is equipped with locking mechanism on connecting axle (4) that extends to the outside, and the cover is equipped with bush (16) on connecting axle (4) the other end, and bush (16) are equipped with stop gear respectively with slide opening A (6) and slide opening B (12) sliding connection on the connecting axle (4) in the bush (16) outside.

2. The novel angle adjustment and noise reduction structure of the automobile steering column according to claim 1, characterized in that: the bushing (16) is in a circular tube shape, one end of the bushing (16) is provided with a boss (17), the boss (17) is connected with a sliding hole B (12) of the angle adjusting support (3) in a matched sliding contact mode, and the other end of the bushing (16) is connected with a sliding hole A (6) of the upper pipe column support (5) in a matched sliding contact mode.

3. The novel angle adjustment and noise reduction structure of the automobile steering column according to claim 2, characterized in that: the boss (17) is in a long round hole shape, and the boss (17) is symmetrically provided with buffer holes (18).

4. The novel angle adjustment and noise reduction structure of the automobile steering column according to claim 1, characterized in that: locking mechanism include handle (13), latch segment A (14) and latch segment B (15), handle (13) suit is on connecting axle (4), latch segment A (14) is equipped with on connecting axle (4) of handle (13) one side, latch segment A (14) and handle (13) fixed connection, latch segment B (15) are equipped with on connecting axle (4) of latch segment A (14) one side, be provided with spout and sliding tooth on latch segment A (14) and latch segment B (15) respectively, latch segment A (14) are connected with the spout and the sliding tooth cooperation meshing of latch segment B (15), latch segment B (15) clamp with angle modulation support (3) and are connected.

5. The novel angle adjustment and noise reduction structure of the automobile steering column according to claim 1, characterized in that: the limiting mechanism comprises a flat washer (19), a planar needle roller bearing (20) and a locking nut (21), the flat washer (19) is sleeved on the connecting shaft (4), the flat washer (19) is connected with the bushing (16) in an abutting mode, and the planar needle roller bearing (20) is arranged on the connecting shaft (4) on the outer side of the flat washer (19) through the locking nut (21).

6. The novel angle adjustment and noise reduction structure of the automobile steering column according to claim 1, characterized in that: the upper mounting bracket (9) is provided with a tearing sheet (11) through a pull-off lock (10).

7. The novel angle adjustment and noise reduction structure of the automobile steering column according to claim 1, characterized in that: the lower pipe column (2) is provided with a lower pipe column support (22), and the lower pipe column support (22) is provided with a pin shaft (8) through a gasket (7).

8. The novel angle adjustment and noise reduction structure of the automobile steering column according to claim 1, characterized in that: the sliding holes A (6) and B (12) are both oblong holes, and the sliding holes A (6) and B (12) are arranged in a staggered manner.