CN211308708U

CN211308708U - Anti-loosening structure of automobile steering device

Info

Publication number: CN211308708U
Application number: CN202020015358.2U
Authority: CN
Inventors: 薛明浩; 薛晓东; 颜华; 赵雪兴
Original assignee: Shanghai Zhonghao Auto Parts Co ltd
Current assignee: Shanghai Zhonghao Auto Parts Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-08-21
Anticipated expiration: 2030-01-06

Abstract

The utility model relates to a steering gear technical field, and an anti-loosening structure of steering gear is disclosed, which comprises a housin, the inside upside of casing transversely is equipped with the steering spindle, the both ends of steering spindle all rotate with the inside wall about of casing respectively through the tray bearing and be connected, and the right-hand member of steering spindle runs through to the outside of casing, the fixed steering nut that is equipped with of axle wall of steering spindle, the inside of casing and the below that is located steering nut are equipped with sector gear, sector gear's the fixed rotation axis that is equipped with of inner wall, the back inside wall of casing inlays and is equipped with connection bearing, the one end of rotation axis is passed through connection bearing and is rotated and set up on the back inside wall of casing, sector gear and steering nut meshing set up, sector gear's both. The utility model discloses can guarantee sector gear and steering nut meshed stability, avoid its phenomenon that the pine takes off, convenient to detach simultaneously.

Description

Anti-loosening structure of automobile steering device

Technical Field

The utility model relates to a steering gear technical field especially relates to a locking structure that takes off of steering gear.

Background

The automobile steering device is also called steering machine and steering machine, is the most important part in the automobile steering system, and has the functions of: to increase the force transmitted from the steering wheel to the steering gear and to change the direction of force transmission, rack and pinion, worm crank pin and recirculating ball systems are commonly used.

The rack and pinion steering gear under the prior art background utilizes steering gear and steering nut meshing transmission to realize the direction transmission, but most steering gears lead to the connection pine between gear and the steering nut to take off easily after long-term the use, is unfavorable for quick realization to turn to, is unfavorable for the long-term use of steering gear simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the connection pine between gear and the steering nut takes off easily after long-term the use of most steering gear among the prior art, is unfavorable for quick realization to turn to, and the locking loose structure of auto steering ware that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-loosening structure of an automobile steering device comprises a shell, wherein a steering shaft is transversely arranged on the upper side in the shell, two ends of the steering shaft are respectively connected with the left inner side wall and the right inner side wall of the shell in a rotating mode through tray bearings, the right end of the steering shaft penetrates through the outer portion of the shell, a steering nut is fixedly arranged on the shaft wall of the steering shaft, a sector gear is arranged inside the shell and below the steering nut, a rotating shaft is fixedly arranged on the inner wall of the sector gear, a connecting bearing is embedded in the rear inner side wall of the shell, one end of the rotating shaft is rotatably arranged on the rear inner side wall of the shell through the connecting bearing, the sector gear is meshed with the steering nut, sliding rods are fixedly arranged on two sides of the sector gear, an opening is formed in the front side wall of the shell, a shell cover is arranged at the opening, and arc-shaped sliding grooves corresponding, two ends of the sliding rod respectively extend to the insides of the two arc-shaped sliding grooves and are in sliding connection with the two arc-shaped sliding grooves.

Preferably, two ends of the sliding rod are symmetrically provided with grooves, rollers are arranged inside the grooves and rotatably arranged on the side walls of the grooves, and the roller walls of the rollers extend to the outside of the grooves and are arranged in a rolling mode with the side walls of the arc-shaped sliding grooves.

Preferably, the surface four corners of the shell cover are provided with mounting holes, mounting screws are arranged in the mounting holes, and the shell cover is fixedly connected with the shell through the mounting screws.

Preferably, a sealing gasket is arranged between the shell cover and the shell.

Preferably, the sector gear is composed of a sector plate and teeth, and the sector plate is meshed with the steering nut through the teeth.

Compared with the prior art, the utility model provides a locking structure that takes off of auto steering ware possesses following beneficial effect:

1. this locking structure that takes off of auto steering ware through setting up slide bar and the arc spout in sector gear both sides, can guarantee sector gear at rotatory in-process, can make the slide bar slide in the inside of arc spout to can guarantee sector gear and steering nut meshed stability, avoid its phenomenon that the pine takes off to appear.

2. This locking structure that takes off of auto steering ware through setting up recess and the gyro wheel at the slide bar tip, can reduce the frictional resistance between slide bar and the arc spout, is favorable to sector gear's rotation.

3. This locking structure that takes off of auto steering ware through setting up cap and the mounting screw at the cap opening part, is convenient for dismantle the sector gear and the steering nut of casing inside.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can guarantee sector gear and steering nut meshed stability, avoid its phenomenon that the pine takes off, convenient to detach simultaneously.

Drawings

Fig. 1 is a schematic structural view of an anti-loosening structure of an automobile steering gear according to the present invention;

FIG. 2 is a side view of the sector gear of FIG. 1;

FIG. 3 is a schematic front view of the housing cover and housing of FIG. 1;

fig. 4 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a shell 1, a steering shaft 2, a tray bearing 3, a steering nut 4, a sector gear 5, a rotating shaft 6, a connecting bearing 7, a sliding rod 8, an arc-shaped sliding chute 9, a shell cover 10, an installation screw 11, a sealing washer 12, a groove 13 and a roller 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, an anti-loose structure of a steering gear of an automobile comprises a housing 1, a steering shaft 2 is transversely arranged on the upper side inside the housing 1, two ends of the steering shaft 2 are respectively rotatably connected with the left and right inner side walls of the housing 1 through tray bearings 3, the right end of the steering shaft 2 penetrates through the housing 1, a steering nut 4 is fixedly arranged on the shaft wall of the steering shaft 2, a sector gear 5 is arranged inside the housing 1 and below the steering nut 4, the sector gear 5 is composed of a sector plate and teeth, the sector plate is meshed with the steering nut 4 through the teeth, a rotating shaft 6 is fixedly arranged on the inner wall of the sector gear 5, a connecting bearing 7 is arranged on the inner rear wall of the housing 1 in an embedded manner, one end of the rotating shaft 6 is rotatably arranged on the inner rear wall of the housing 1 through the connecting bearing 7, the sector gear 5 is meshed with the steering nut 4, sliding rods 8 are fixedly arranged on two, the preceding lateral wall of casing 1 is equipped with the opening, and the opening part is equipped with cap 10, and the arc spout 9 that the position corresponds is all seted up to the back inside wall of casing 1 and the lateral wall of cap 10, and the both ends of slide bar 8 extend to the inside of two arc spouts 9 respectively and rather than sliding connection.

Two equal symmetries of tip of slide bar 8 have seted up recess 13, and the inside of recess 13 is equipped with gyro wheel 14, and gyro wheel 14 rotates and sets up on the lateral wall of recess 13, and the wheel wall of gyro wheel 14 extends to the outside of recess 13 and rolls the setting with the lateral wall of arc spout 9, can reduce the frictional resistance between slide bar 8 and the arc spout 9, is favorable to sector gear 5's rotation.

The mounting hole has all been seted up to the surperficial four corners department of cap 10, and the inside of mounting hole all is equipped with mounting screw 11, and cap 10 is through mounting

screw

11 and 1 fastening connection of casing, and when sector gear 5 was dismantled to needs, unscrewing mounting screw 11 can dismantle cap 10 and casing 1, is convenient for dismantle sector gear 5 and steering nut 4 inside casing 1.

A sealing gasket 12 is provided between the case cover 10 and the case 1, and the sealing performance between the case cover 10 and the case 1 can be increased.

The utility model discloses in, during the use, it is rotatory to drive steering nut 4 when steering spindle 2, steering nut 4 can drive sector gear 5 and rotate, this moment through slide bar 8 and the arc spout 9 that sets up in sector gear 5 both sides, can guarantee sector gear 5 at rotatory in-process, can make slide bar 8 slide in the inside of arc spout 9, thereby can guarantee sector gear 5 and steering nut 4 meshing's stability, avoid it the phenomenon that pine takes off to appear, through setting up recess 13 and the gyro wheel 14 at slide bar 8 tip, can reduce the frictional resistance between slide bar 8 and the arc spout 9, be favorable to sector gear 5's rotation, when sector gear 5 is dismantled to needs, unscrew loose mounting screw 11, can dismantle cap 10 and casing 1, be convenient for dismantle 1 inside sector gear 5 of casing with steering nut 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anti-loosening structure of auto steering ware, includes casing (1), its characterized in that, the inside upside of casing (1) transversely is equipped with steering spindle (2), the both ends of steering spindle (2) all rotate with the left and right sides inside wall of casing (1) respectively through tray bearing (3) and be connected, and the right-hand member of steering spindle (2) runs through to the outside of casing (1), the axle wall of steering spindle (2) is fixed and is equipped with steering nut (4), the inside of casing (1) just is located the below of steering nut (4) and is equipped with sector gear (5), the inner wall of sector gear (5) is fixed and is equipped with rotation axis (6), the back inside wall of casing (1) inlays and is equipped with connection bearing (7), the one end of rotation axis (6) is rotated through connection bearing (7) and is set up on the back inside wall of casing (1), sector gear (5) and steering nut (4) meshing setting, the both sides of sector gear (5) are all fixed and are equipped with slide bar (8), the preceding lateral wall of casing (1) is equipped with the opening, and the opening part is equipped with cap (10), arc spout (9) that the position corresponds are all seted up to the back inside wall of casing (1) and the lateral wall of cap (10), the both ends of slide bar (8) extend to two respectively the inside of arc spout (9) and rather than sliding connection.

2. The anti-loosening structure of the automobile steering device according to claim 1, wherein the two ends of the sliding rod (8) are symmetrically provided with grooves (13), rollers (14) are arranged inside the grooves (13), the rollers (14) are rotatably arranged on the side walls of the grooves (13), and the wheel walls of the rollers (14) extend to the outside of the grooves (13) and are arranged in a rolling manner with the side walls of the arc-shaped sliding grooves (9).

3. The anti-loosening structure of the automobile steering gear according to claim 1, wherein mounting holes are formed in four corners of the surface of the housing cover (10), mounting screws (11) are arranged in the mounting holes, and the housing cover (10) is fixedly connected with the housing (1) through the mounting screws (11).

4. The anti-release structure of a steering gear for a vehicle according to claim 1, wherein a sealing gasket (12) is provided between the housing cover (10) and the housing (1).

5. The anti-release structure of a steering gear for an automobile according to claim 1, wherein the sector gear (5) is composed of a sector plate and a tooth, and the sector plate is engaged with the steering nut (4) through the tooth.