阅读说明：本技术 汽车转向行程的调节装置、转向器及汽车 (Adjusting device for automobile steering stroke, steering gear and automobile ) 是由 赵鑫 蔡东民 高广伟 于 2020-06-11 设计创作，主要内容包括：本发明公开了一种汽车转向行程的调节装置、转向器及汽车,其中,汽车转向行程的调节装置通过设置转向器组件和行程调节组件,从而通过行程调节组件控制转向器组件的转向传动构件的行程模式,使得转向传动构件可以在第一行程模式和第二行程模式之间自由切换,用于需要较大行程的场合时通过行程调节组件将转向传动构件切换至第一行程模式,而在需要较小的行程时可以通过行程调节组件将转向传动构件切换至第二行程模式,使得汽车的转向行程可以调整,从而使得汽车的转向传动构件处在第二行程模式时可以减小汽车的转弯半径,并且可以适应乘用车,并且各车型之间的零部件共用,减少开发模具费用,提升平台共用性。(The invention discloses a regulating device of automobile steering stroke, a steering gear and an automobile, wherein the regulating device of automobile steering stroke controls the stroke mode of a steering transmission member of the steering gear assembly through the stroke regulating assembly by arranging the steering gear assembly and the stroke regulating assembly, so that the steering transmission member can be freely switched between a first stroke mode and a second stroke mode, when the regulating device is used in occasions requiring large stroke, the steering transmission member is switched to the first stroke mode through the stroke regulating assembly, and when the stroke is required to be small, the steering transmission member can be switched to the second stroke mode through the stroke regulating assembly, so that the steering stroke of the automobile can be regulated, the turning radius of the automobile can be reduced when the steering transmission member of the automobile is in the second stroke mode, the regulating device can be suitable for passenger cars, and parts among all automobile types can be shared, the cost for developing the die is reduced, and the sharing performance of the platform is improved.)

1. An adjusting device for a steering stroke of a vehicle, comprising:

the steering gear assembly comprises a steering gear and a connecting part, the input of the steering gear is connected with the steering wheel of the automobile, and the output of the steering gear is connected with the steering wheel of the automobile through the connecting part and used for controlling the automobile to steer; and

a stroke adjustment component connected with a steering transmission member in the steering gear for switching a stroke mode of the steering transmission member; wherein the stroke modes include a first stroke mode and a second stroke mode, and the steering transmission stroke of the first stroke mode is greater than the stroke of the second stroke mode.

2. The steering stroke adjusting apparatus for the automobile according to claim 1, wherein the steering gear is a rack and pinion steering gear including a steering pinion as an active member and a steering rack as the transmission member, the steering rack being engaged with the steering pinion and connected with the connecting member; and is

The stroke adjustment part includes:

a drive member comprising a drive gear;

a transmission member drivingly connected with the drive gear;

the adjusting member is rotatably connected with the transmission member and is provided with a first clamping part and a second clamping part;

the locking component is arranged at one end of the steering rack and is provided with a first clamped part and a second clamped part which are respectively clamped with the first clamping part and the second clamping part; wherein

When the first clamping part is clamped with the first clamped part, the steering transmission component is in the first stroke mode; and is

When the second joint portion with the second is by the joint portion joint, turn to the transmission component and be in the second stroke mode.

3. The steering stroke adjusting apparatus for vehicle according to claim 2, wherein

The driving member includes a motor, and the driving gear is provided to an output shaft of the motor;

the transmission member includes an idler gear that meshes with the drive gear;

the adjustment member includes a gear member that meshes with the idler gear.

4. The steering stroke adjusting apparatus for a vehicle according to claim 3, wherein,

and the half circumference of the outer circumference side of the gear member is provided with meshing teeth, and the gear member is meshed with the idle gear through the meshing teeth.

5. The steering stroke adjusting apparatus for a vehicle according to claim 3, wherein,

the first clamping part is a non-circular through hole arranged on the gear component, and the second clamping part is a boss arranged on one side of the gear component; and is

The first clamping part of the locking component is a protrusion matched with the through hole, and the second clamping part is a protrusion matched with the boss.

6. The steering stroke adjusting apparatus for a vehicle according to claim 3, wherein,

the first clamping part is a concave part arranged on one side of the gear component, and the second clamping part is a boss arranged on one side of the gear component; and is

The first clamping part of the locking component is a protrusion matched with the concave part, and the second clamping part is a recess matched with the boss.

7. The steering stroke adjusting apparatus for a vehicle according to claim 5 or 6, further comprising a housing that is fixed to an outer periphery of the transmission rack and that houses the driving member, the transmission member, the adjusting member, and the locking member.

8. A steering gear, characterized by comprising a device for adjusting the steering stroke of a motor vehicle according to any one of claims 1 to 7.

9. An automobile, characterized by comprising the steering gear according to claim 8.

Technical Field

The invention relates to the technical field of automobile steering devices, in particular to an automobile steering stroke adjusting device, a steering device and an automobile.

Background

The turning radius of the whole vehicle is always one of the directions in which a steering system is dedicated to development, the turning radius of a passenger vehicle is difficult to be greatly improved through an arrangement mode due to the limitation of the envelope of wheels and peripheral parts of a two-wheel steering vehicle, and the situation that an anti-skid chain is used on a low-adhesion road surface is primarily considered in the design of the vehicle, a larger space needs to be reserved for tires to use the anti-skid chain, so that the turning radius of the whole vehicle is sacrificed under the situation that the anti-skid chain is not used in the reservation of actual design.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, a tire leaves a reserved space for accommodating a tire chain, so that the turning radius of the whole vehicle is sacrificed under the condition of not using the tire chain.

In order to solve the technical problem, the embodiment of the invention discloses a device for adjusting the steering stroke of an automobile, which comprises:

the steering gear assembly comprises a steering gear and a connecting part, the input of the steering gear is connected with a steering wheel of the automobile, and the output of the steering gear is connected with the steering wheels of the automobile through the connecting part and used for controlling the automobile to steer; and a stroke adjusting part connected with a steering transmission member in the steering gear, for switching a stroke mode of the steering transmission member; the stroke mode comprises a first stroke mode and a second stroke mode, and the steering transmission stroke of the first stroke mode is larger than that of the second stroke mode.

By adopting the technical scheme, the device for adjusting the steering stroke of the automobile disclosed by the invention has the advantages that the steering gear assembly and the stroke adjusting assembly are arranged, so that the stroke mode of the steering transmission member of the steering gear assembly is controlled by the stroke adjusting assembly, the steering transmission member can be freely switched between the first stroke mode and the second stroke mode, when the device is used in occasions requiring larger stroke, the steering transmission member is switched to the first stroke mode by the stroke adjusting assembly, and when the device requires smaller stroke, the steering transmission member can be switched to the second stroke mode by the stroke adjusting assembly, so that the steering stroke of the automobile can be adjusted, the turning radius of the automobile can be reduced when the steering transmission member of the automobile is in the second stroke mode, the device can adapt to riding, parts among all automobile types can be shared, and the development die cost is reduced, and the platform commonality is improved.

Further, the steering gear is a rack and pinion steering gear, which comprises a steering gear as a driving part and a steering rack as a transmission member, wherein the steering rack is meshed with the steering gear and is connected with the connecting part; and is

The stroke adjustment part includes:

a drive member including a drive gear;

the transmission component is in transmission connection with the driving gear;

the adjusting member is rotatably connected with the transmission member and is provided with a first clamping part and a second clamping part;

the locking component is arranged at one end of the steering rack and is provided with a first clamped part and a second clamped part which are respectively clamped with the first clamping part and the second clamping part; wherein

When the first clamping part is clamped with the first clamped part, the steering transmission component is in a first stroke mode; and is

When second joint portion and second are by the joint portion joint, turn to the transmission component and be in the second stroke mode.

Further, wherein the driving member includes a motor, and the driving gear is provided to an output shaft of the motor;

the transmission member includes an idler gear that meshes with the drive gear;

the adjustment member includes a gear member that meshes with the idler gear.

Further, wherein, a half circumference of an outer peripheral side of the gear member is provided with meshing teeth, and the gear member is meshed with the idler gear through the meshing teeth.

Furthermore, the first clamping part is a non-circular through hole arranged on the gear component, and the second clamping part is a boss arranged on one side of the gear component; and is

The first part of the locking component is a bulge matched with the through hole, and the second part is a lug matched with the boss.

Further, the first clamping part is a concave part arranged on one side of the gear component, and the second clamping part is a boss arranged on one side of the gear component; and is

The first clamping part of the locking component is a protrusion matched with the concave part, and the second clamping part is a recess matched with the boss.

Further, the gear rack device further comprises a shell, wherein the shell is fixed on the periphery of the gear rack and accommodates the driving member, the transmission member, the adjusting member and the locking member.

Furthermore, the invention also provides a steering gear, which comprises the automobile steering stroke adjusting device.

By adopting the technical scheme, the invention provides the steering gear, the steering gear comprises a device for adjusting the steering stroke of the automobile, the device for adjusting the steering stroke of the automobile is provided with the steering gear component and the stroke adjusting component, so that the stroke mode of the steering transmission component of the steering gear component is controlled by the stroke adjusting component, the steering transmission component can be freely switched between a first stroke mode and a second stroke mode, when the device is used in occasions requiring larger stroke, the steering transmission component is switched to the first stroke mode by the stroke adjusting component, when the device requires smaller stroke, the steering transmission component can be switched to the second stroke mode by the stroke adjusting component, so that the steering stroke of the automobile can be adjusted, the turning radius of the automobile can be reduced when the steering transmission component of the automobile is in the second stroke mode, the device can be suitable for passenger cars, and parts among all the parts are shared, the cost for developing the die is reduced, and the sharing performance of the platform is improved.

Furthermore, the invention also provides an automobile comprising the steering gear.

By adopting the technical scheme, the automobile provided by the invention comprises the steering gear, the steering gear comprises an adjusting device of the steering stroke of the automobile, the adjusting device of the steering stroke of the automobile is provided with the steering gear component and the stroke adjusting component, so that the stroke mode of the steering transmission component of the steering gear component is controlled by the stroke adjusting component, the steering transmission component can be freely switched between a first stroke mode and a second stroke mode, the steering transmission component is switched to the first stroke mode by the stroke adjusting component when the automobile is used in occasions requiring larger stroke, the steering transmission component can be switched to the second stroke mode by the stroke adjusting component when the automobile requires smaller stroke, the steering stroke of the automobile can be adjusted, the turning radius of the automobile can be reduced when the steering transmission component of the automobile is in the second stroke mode, and the automobile can be adapted to a passenger car, parts among all vehicle types are shared, the cost of developing the mold is reduced, and the sharing performance of the platform is improved.

The invention has the beneficial effects that:

the invention provides a device for adjusting the steering stroke of an automobile, which controls the stroke mode of a steering transmission member of a steering device assembly through a stroke adjusting assembly by arranging the steering device assembly and the stroke adjusting assembly, so that the steering transmission member can be freely switched between a first stroke mode and a second stroke mode, the steering transmission member is switched to the first stroke mode through the stroke adjusting assembly when the device is used in occasions requiring larger stroke, and the steering transmission member can be switched to the second stroke mode through the stroke adjusting assembly when the device requires smaller stroke, so that the steering stroke of the automobile can be adjusted, the turning radius of the automobile can be reduced when the steering transmission member of the automobile is in the second stroke mode, the device can be suitable for passenger cars, parts among various types are shared, and the cost of developing dies is reduced, and the platform commonality is improved.

Drawings

Fig. 1 is a schematic structural diagram of an adjusting device for a steering stroke of an automobile according to an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a steering transmission member of the adjusting device for the steering stroke of the automobile, which is in a first stroke mode according to the embodiment of the invention;

fig. 3 is a structural schematic diagram of a steering transmission member of the adjusting device for the steering stroke of the automobile, which is provided by the embodiment of the invention, in a second stroke mode.

Description of reference numerals:

11. a diverter; 111. a steering transmission member; 12. a connecting member;

2. a stroke adjustment member; 21. a drive gear; 22. a transmission member; 23. an adjustment member; 231. a first clamping part; 232. a second clamping part; 24. a locking member; 241. a first engaged portion; 242. the second is by the clamping part.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable 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 meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.