CN219948299U - Steering gear structure for vehicle and vehicle - Google Patents

Abstract

The utility model discloses a steering gear structure for a vehicle and the vehicle, wherein the steering gear structure comprises: a housing formed with a mounting groove; a support block which is accommodated in the installation groove and one end of which in the extending direction is formed with a support portion adapted to support a steering gear assembly; the vibration reduction piece is arranged between the inner wall of the mounting groove and the outer peripheral wall of the supporting block, a deformation part which is suitable for deforming in the extending direction perpendicular to the supporting block is formed on the vibration reduction piece, and the deformation part is abutted to the outer peripheral wall of the supporting block. According to the steering gear structure, noise generated by collision between the supporting block and the shell can be reduced, NVH performance of the whole automobile is improved, and driving comfort of a user is guaranteed.

Description

Steering gear structure for vehicle and vehicle

Technical Field

The utility model relates to the field of vehicles, in particular to a steering gear structure for a vehicle and the vehicle.

Background

In the related art, a rack-and-pinion steering gear is an important mechanism for realizing steering of a vehicle, the rack-and-pinion steering gear realizes a steering function through meshing of a gear and a rack, in order to support the rack, a steering support mechanism is generally adopted to be in surface contact with the rack so as to provide a supporting force for the rack, however, when the rack moves, the steering support mechanism moves along with the rack due to the influence of friction force, so that the steering support mechanism collides with a shell to generate abnormal noise, and the driving experience of a user is influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a steering gear structure for a vehicle, which can reduce noise generated by collision between a support block and a housing, improve NVH performance of the whole vehicle, and ensure driving comfort of a user.

The utility model further provides a vehicle with the steering gear structure.

According to the steering gear structure for a vehicle of the present utility model, the steering gear structure includes: a housing formed with a mounting groove; a support block which is accommodated in the installation groove and one end of which in the extending direction is formed with a support portion adapted to support a steering gear assembly; the vibration reduction piece is arranged between the inner wall of the mounting groove and the outer peripheral wall of the supporting block, a deformation part which is suitable for deforming in the extending direction perpendicular to the supporting block is formed on the vibration reduction piece, and the deformation part is abutted to the outer peripheral wall of the supporting block.

According to the steering gear structure for the vehicle, the vibration reduction piece is arranged between the outer peripheral wall of the supporting block of the steering gear structure and the shell, the deformation part is formed on the vibration reduction piece, when the steering rack drives the supporting block to move in the horizontal direction of the vehicle, the deformation part can reduce noise generated by collision between the supporting block and the shell, the NVH performance of the whole vehicle is improved, and the driving comfort of a user is ensured.

In some embodiments of the utility model, the vibration damping member includes: a mounting case, on which a mounting cavity adapted to accommodate the support block is formed; the deformation portion, deformation portion is in extend just in the extending direction of supporting shoe the one end of deformation portion with the inner wall connection of installation cavity, the other end of deformation portion is formed with towards the inside convex arch of installation cavity, protruding be suitable for with the supporting shoe ends.

In some embodiments of the present utility model, an avoidance groove or an avoidance hole opposite to the deformation portion and extending in the same direction is formed on an inner wall of the installation cavity.

In some embodiments of the present utility model, the deformation portion is configured as a plurality of deformation portions spaced apart in a circumferential direction of the installation cavity.

In some embodiments of the utility model, the protrusions are configured as spheres.

In some embodiments of the utility model, the inner wall of the mounting groove is formed with a stepped surface, and the end of the mounting shell remote from the diverter assembly is formed with a flange extending in the radial direction of the damping member and adapted to abut against the stepped surface.

In some embodiments of the utility model, the diverter structure further comprises: the limiting piece is detachably arranged on the shell and is suitable for being abutted against the other end of the supporting block and the vibration reduction piece.

In some embodiments of the utility model, the diverter structure further comprises: the elastic piece is arranged between the limiting piece and the supporting block.

In some embodiments of the utility model, the vibration damping member is constructed as a plastic member.

The vehicle according to the present utility model is briefly described below.

According to the steering gear structure of the embodiment, the steering gear structure of the vehicle can reduce noise generated by collision between the supporting block and the shell when the steering rack drives the supporting block to move in the horizontal direction of the vehicle, improve NVH performance of the whole vehicle and ensure driving comfort of a user.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic cross-sectional view of a steering gear structure for a vehicle according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of the structure of the damping member of the steering gear structure of FIG. 1;

FIG. 3 is a schematic top view of the damping member of FIG. 2;

FIG. 4 is a schematic cross-sectional view of section A-A of FIG. 3;

fig. 5 is a schematic view of the structure of the support block of the diverter structure of fig. 1.

Reference numerals: 100. a diverter structure; 110. a housing; 111. a mounting groove; 112. a step surface; 120. a support block; 121. a support part; 130. a vibration damping member; 131. a mounting shell; 1311. a mounting cavity; 1312. an avoidance groove; 1313. flanging; 132. a deformation section; 1321. a protrusion; 140. a limiting piece; 150. an elastic member; 160. a steering gear; 170. steering racks.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A steering gear structure 100 for a vehicle according to an embodiment of the present utility model is described below with reference to fig. 1 to 5, the steering gear structure 100 including a housing 110, a support block 120, and a vibration damping member 130. The housing 110 is formed with a mounting groove 111, the support block 120 is accommodated in the mounting groove 111, a support portion 121 adapted to support the steering gear assembly is formed at one end portion of the support block 120 in the extending direction, the damper 130 is disposed between an inner wall of the mounting groove 111 and an outer peripheral wall of the support block 120, a deformation portion 132 adapted to deform in a direction perpendicular to the extending direction of the support block 120 is formed on the damper 130, and the deformation portion 132 abuts against the outer peripheral wall of the support block 120.

In the related art, a rack-and-pinion steering gear of a vehicle realizes a steering function through engagement of a gear and a rack, in order to support the rack, a steering support mechanism is generally adopted to be in surface contact with the rack to provide a supporting force for the rack, however, when the rack moves, the steering support mechanism can move along with the rack due to the influence of friction force, so that the steering support mechanism collides with a shell to generate abnormal noise, and the driving experience of a user is influenced.

Specifically, as shown in fig. 1, the steering assembly may include a steering gear 160 and a steering rack 170, the steering gear 160 may be in power connection with a steering column of a steering wheel of a vehicle, the steering rack 170 may be in power connection with wheels on both sides of the vehicle, and the steering rack 170 may be capable of changing an angle of the wheels to achieve steering of the vehicle, further, the steering gear 160 and the steering rack 170 may be in engagement connection, and when a user turns the steering wheel, the steering column connected with the steering wheel drives the steering rack 170 to rotate, and the steering rack 170 drives the steering rack 170 to laterally displace, thereby achieving steering of the vehicle.

As shown in fig. 1, a mounting groove 111 is formed on the housing 110, the mounting groove 111 may be used for accommodating a support block 120, the support block 120 may be used for supporting a steering rack 170 and providing a supporting force for the steering rack 170, so as to ensure that the steering rack 170 may be fully engaged with the steering gear 160, a support portion 121 may be formed at one end of the support block 120 in the extending direction, and the support portion 121 may implement support for the steering rack 170 in the steering assembly, where a support surface is formed on the support portion 121, and the support surface may be attached to the bottom surface of the steering rack 170 to implement support for the steering rack 170.

As shown in fig. 5, in a specific embodiment, two supporting surfaces may be provided, and the two supporting surfaces are spaced apart, and the area of the two supporting surfaces is smaller than the horizontal cross-sectional area of the supporting block 120, and with this structure, the area of the supporting surfaces can be reduced, and friction can be reduced.

As shown in fig. 1, a vibration absorbing member 130 may be further disposed between the inner wall of the mounting groove 111 and the outer peripheral wall of the support block 120, a deformation portion 132 is formed on the vibration absorbing member 130, the deformation portion 132 may deform in the extending direction perpendicular to the support block 120, and the deformation portion 132 abuts against the outer peripheral wall of the support block 120, so when the steering rack 170 drives the support block 120 to move in the horizontal direction of the vehicle, the deformation portion 132 may absorb energy generated by collision between the support block 120 and the housing 110 through deformation, thereby reducing noise generated by collision between the support block 120 and the housing 110, and improving NVH performance of the whole vehicle and driving comfort of a user.

In short, the damping member 130 is disposed between the outer peripheral wall of the supporting block 120 and the housing 110 of the steering gear structure 100 of the present utility model, and the deformation portion 132 is formed on the damping member 130, so that when the steering rack 170 drives the supporting block 120 to move in the horizontal direction of the vehicle, the deformation portion 132 can reduce the noise generated by collision between the supporting block 120 and the housing 110, improve the NVH performance of the whole vehicle, and ensure the driving comfort of the user.

As shown in fig. 2, in some embodiments of the present utility model, the vibration damping member 130 may include a mounting case 131 and a deformation portion 132, the mounting case 131 may extend in the same direction as that of the support block 120, and the mounting case 131 may be located between an inner wall of the mounting groove 111 and an outer circumferential wall of the support block 120, further, a mounting cavity 1311 may be formed on the mounting case 131, the mounting cavity 1311 may be used to accommodate the support block 120, the deformation portion 132 may extend in the extending direction of the support block 120, and one end of the deformation portion 132 may be connected with the inner wall of the mounting cavity 1311, the other end of the deformation portion 132 is formed with a protrusion 1321, and the protrusion 1321 may protrude toward the inside of the mounting cavity 1311 and may be stopped against the support block 120.

As shown in fig. 3 and 4, the protrusions 1321 may be deformed in the extending direction perpendicular to the supporting block 120, and the protrusions 1321 may absorb energy generated by the collision between the supporting block 120 and the housing 110 through the deformation, thereby reducing noise generated by the collision between the supporting block 120 and the housing 110, and improving NVH performance of the whole vehicle, and in a specific embodiment, the protrusions 1321 may be configured as a sphere, and the sphere structure may more effectively decompose the collision force.

As shown in fig. 2, in some embodiments of the present utility model, an avoidance groove 1312 or an avoidance hole may be formed on an inner wall of the mounting cavity 1311, the avoidance groove 1312 or the avoidance hole may be opposite to the deformation portion 132 and have the same extension direction, in a specific embodiment, the avoidance groove 1312 is formed on an inner wall of the mounting cavity 1311, the deformation portion 132 may be accommodated in the avoidance groove 1312, further, before the vibration damper 130 is assembled, the deformation portion 132 may be accommodated in the avoidance groove 1312, when the vibration damper 130 is assembled with the support block 120, after the vibration damper 130 is assembled with the support block 120, the support block 120 may provide a pressing force perpendicular to the extension direction of the support block 120 for the deformation portion 132, after the pressing force is applied to the deformation portion 132, a portion of the deformation portion 132 may be accommodated in the avoidance groove 1312, and another portion of the deformation portion 132 may abut against the inner wall of the mounting groove 111, where another portion of the deformation portion 132 may be the protrusion 1321.

As shown in fig. 2, 3 and 4, in some embodiments of the present utility model, the deformation portion 132 may be configured in plurality, and the plurality of deformation portions 132 may be disposed at intervals in the circumferential direction of the installation cavity 1311, with which the deformation portion 132 may absorb impact forces in a plurality of directions, and further improve the vibration damping effect of the vibration damping member 130.

As shown in fig. 1, in some embodiments of the present utility model, the inner wall of the mounting groove 111 may be formed with a stepped surface 112, one end of the mounting case 131 remote from the steering gear assembly may be formed with a flange 1313, the flange 1313 may extend in a radial direction of the damper 130, and one end of the flange 1313 may be stopped against the stepped surface 112, further, the steering gear structure 100 may further include a stopper 140, the stopper 140 may be detachably disposed on the housing 110, and the stopper 140 may be stopped against the other end of the support block 120 and the other end of the flange 1313, thereby realizing the stopping of the damper 130 and the support block 120. In particular embodiments, the stop 140 may be configured as a lock nut and an adjustment plug.

As shown in fig. 1, in some embodiments of the present utility model, the steering gear structure 100 may further include an elastic member 150, where the elastic member 150 may be disposed between the limiting member 140 and the supporting block 120, and the elastic member 150 may provide power to the supporting block 120, specifically, an installation space is formed in the supporting block 120, and a portion of the elastic member 150 is located in the installation space, and by fixing the limiting member 140 to the housing 110, the supporting block 120 can be attached to the vibration-damping rack under the action of elastic force.

In some embodiments of the present utility model, the vibration absorbing member 130 is configured as a plastic member having a certain self-lubricating property, and thus, the vibration absorbing member 130 is configured as a plastic member to reduce friction between the vibration absorbing member 130 and the support block 120, reduce stress of the support block 120, and enable elastic force of the elastic member 150 to be effectively transferred to the steering rack 170 through the support block 120, so as to ensure that the steering rack 170 can be engaged with the steering gear 160 more stably. Compared with the prior art, the vibration damper 130 can weaken the fragile metal impact sound into small and stuffy impact sound between metal and plastic, greatly weakens the perception of steering abnormal sound, and improves the quality and driving comfort of the whole vehicle.

The vehicle according to the present utility model is briefly described below.

According to the steering gear structure 100 of the embodiment, since the steering gear structure 100 of the embodiment is provided, the steering gear structure 100 of the vehicle can reduce noise generated by collision between the supporting block 120 and the shell 110 when the steering rack 170 drives the supporting block 120 to move in the horizontal direction of the vehicle, improve NVH performance of the whole vehicle and ensure driving comfort of a user.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A steering gear structure for a vehicle, characterized by comprising:

a housing formed with a mounting groove;

a support block which is accommodated in the installation groove and one end of which in the extending direction is formed with a support portion adapted to support a steering gear assembly;

the vibration reduction piece is arranged between the inner wall of the mounting groove and the outer peripheral wall of the supporting block, a deformation part which is suitable for deforming in the extending direction perpendicular to the supporting block is formed on the vibration reduction piece, and the deformation part is abutted to the outer peripheral wall of the supporting block.

2. The steering gear structure for a vehicle according to claim 1, wherein the vibration damping member includes:

a mounting case, on which a mounting cavity adapted to accommodate the support block is formed;

the deformation portion, deformation portion is in extend just in the extending direction of supporting shoe the one end of deformation portion with the inner wall connection of installation cavity, the other end of deformation portion is formed with towards the inside convex arch of installation cavity, protruding be suitable for with the supporting shoe ends.

3. The steering gear structure for a vehicle according to claim 2, wherein the inner wall of the installation cavity is formed with a relief groove or a relief hole which is opposite to the deformation portion and extends in the same direction.

4. A steering gear structure for a vehicle according to claim 3, wherein the deformation portion is configured as a plurality of spaced apart in a circumferential direction of the mounting chamber.

5. The steering gear structure for a vehicle according to claim 2, wherein the projection is configured in a spherical shape.

6. The steering gear structure for a vehicle according to claim 2, wherein an inner wall of the mounting groove is formed with a stepped surface, and an end of the mounting case remote from the steering gear assembly is formed with a burring extending in a radial direction of the damper and adapted to abut against the stepped surface.

7. The steering gear structure for a vehicle according to claim 6, characterized by further comprising:

the limiting piece is detachably arranged on the shell and is suitable for being abutted against the other end of the supporting block and the vibration reduction piece.

8. The steering gear structure for a vehicle according to claim 7, characterized by further comprising: the elastic piece is arranged between the limiting piece and the supporting block.

9. Steering gear structure for vehicles according to any of claims 1-8, characterized in that the damping element is constructed as a plastic element.

10. A vehicle comprising a steering gear structure for a vehicle according to any one of claims 1 to 9.