CN218431394U

CN218431394U - Automobile steering device

Info

Publication number: CN218431394U
Application number: CN202223085133.2U
Authority: CN
Inventors: 李良安; 陈明; 王赞军; 庄建芬
Original assignee: Langfang Anxing Automobile Products Co ltd
Current assignee: Langfang Anxing Automobile Products Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-02-03
Anticipated expiration: 2032-11-21

Abstract

The application specifically discloses a car steering gear includes: the steering mechanism comprises a shell, a steering component, a connecting assembly and a driving device. The shell is provided with a main pipeline and branch pipelines; the branch pipeline is vertically arranged in the middle of the main pipeline and is communicated with the interior of the main pipeline; the inner wall of any port of the main pipeline is provided with a mounting groove along the circumferential direction; the steering assembly is arranged in the shell and is provided with a driving end and a driven end which are vertically arranged; a bushing is arranged between the driven end and the main pipeline and is positioned at the mounting groove; the driving end can drive the driven end to reciprocate relative to the main pipeline along a first direction; the connecting assembly is arranged on one side of the driven end close to the lining; the connecting assembly is used for connecting a member to be steered; the driving device is used for controlling the driving end to rotate, so that the driven end drives the connecting assembly to enable the to-be-steered piece to act. This application utilizes the bush to fix a position, direction the connection assembly front end, can reduce the load of drive assembly during operation, effectively improves and turns to the security.

Description

Automobile steering device

Technical Field

The present disclosure relates generally to the field of automotive manufacturing, and more particularly to an automotive steering gear.

Background

With the rapid development of economy, automobiles have become indispensable vehicles in people's lives. The automobile steering device is an important component of an automobile, is assembled on the whole automobile, converts the rotating torque input by a steering wheel into thrust, and pushes wheels to rotate so as to achieve the purpose of steering. Its main functions are to change the running direction of the car and to keep the car running in a stable straight line. The steering gear is an actuating element of hydraulic power assistance of a steering system, and mainly changes the rotation of a steering wheel into the linear motion of a rack shaft or the swing of a steering rocker arm, so that the motion speed is reduced, the steering torque is increased, and the rotation direction of the steering torque is changed.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide an automobile steering device with high strength, good guiding performance, and low load.

In a first aspect, the present application provides an automotive steering gear comprising:

a housing having a main conduit and a branch conduit; the branch pipeline is vertically arranged in the middle of the main pipeline and is communicated with the interior of the main pipeline; an installation groove is formed in the inner wall of any port of the main pipeline along the circumferential direction of the main pipeline;

the steering assembly is arranged in the shell and is provided with a driving end and a driven end which are vertically arranged; a bushing is arranged between the driven end and the main pipeline and is positioned at the mounting groove; the driving end can drive the driven end to reciprocate relative to the main pipeline along a first direction;

the connecting assembly is arranged on one side of the driven end close to the bushing; the connecting assembly is used for connecting a to-be-steered piece;

and the driving device is used for controlling the driving end to rotate, so that the driven end drives the connecting assembly to enable the to-be-steered piece to act.

According to the technical scheme provided by the embodiment of the application, the steering assembly comprises: the driving rotating shaft is inserted into the branch pipeline; the driving rotating shaft forms the driving end; a gear is circumferentially arranged at one end of the driving rotating shaft close to the interior of the shell;

the driven rotating shaft is inserted into the main pipeline; the driven rotating shaft forms the driven end; and a rack meshed with the gear is arranged on one side of the driven rotating shaft body.

According to the technical scheme provided by the embodiment of the application, the connection assembly comprises: the first ball socket is arranged at one end, close to the bush, of the driven rotating shaft; a first concave cavity is formed in the first ball head seat;

a first ball stud having a first head portion and a first shank portion; the first head part is movably arranged in the first cavity, and the first rod part of the first head part is positioned on one side of the first head part, which is far away from the first ball head seat;

the second ball head seat is arranged on the first rod part; a second concave cavity is formed in the second ball head seat;

a second ball stud having a second head portion and a second shank portion; the second head is movably arranged in the second cavity, and the rod part of the second head is positioned on one side of the second head, which is far away from the second ball socket.

According to the technical scheme provided by the embodiment of the application, the device further comprises an adjusting component, wherein the adjusting component comprises an adjusting shell, and the adjusting shell is arranged on the main pipeline and communicated with the main pipeline; the adjusting shell is vertically arranged with the main pipeline and the branch pipelines; the adjusting shell is internally provided with an adjusting part for adjusting the relative position of the gear and the rack.

According to the technical scheme that this application embodiment provided, the inside beam barrel that is provided with of lateral conduit, the beam barrel is used for holding the bearing, the bearing is used for supporting the initiative pivot rotates.

According to the technical scheme that this application embodiment provided, casing outer wall is provided with bearing structure, bearing structure is used for improving shell body intensity.

According to the technical scheme provided by the embodiment of the application, the outer wall of the shell is provided with a plurality of extension parts, and the extension parts are provided with connecting holes.

To sum up, this technical scheme specifically discloses an automobile steering ware, includes: the steering mechanism comprises a shell, a steering component, a connecting assembly and a driving device; the shell is provided with a branch pipeline and a main pipeline which are vertically arranged and are mutually communicated, the steering component is arranged in the shell, the driving end of the steering component rotates to drive the driven end to linearly move, and a lining is arranged between the driven end and the main pipeline; the connecting assembly is arranged at the driven end close to the bushing, the guiding and positioning effects on the driven end are guaranteed, particularly the connecting assembly is arranged at the meshing position of the driving end and the driven end relative to the front end of the connecting assembly, the linear movement of the driving end and the driven end can be effectively reduced when the driving end drives the driven end to move linearly, and the load of the driving end and the driven end is reduced when the connecting assembly drives the to-be-steered part to steer.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural view of an automobile steering gear.

Fig. 2 is a schematic view of the overall structure of an automobile steering gear.

Reference numbers in the figures: 1. a housing; 11. a main pipeline; 12. a branch pipe; 2. a bushing; 3. installing a groove; 4. connecting the assembly; 41. a first ball cup seat; 42. a first ball stud; 43. a second ball cup seat; 44. a second ball stud; 5. a driving rotating shaft; 6. a driven rotating shaft; 7. adjusting the shell; 8. an adjustment section; 9. an extension portion; 10. reinforcing the structure; 13. a shaft cylinder; 14. a protective sleeve.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Please refer to fig. 1, which is a schematic structural diagram of a first embodiment of an automobile steering gear provided by the present application, including:

a housing 1, the housing 1 having a main pipe 11 and branch pipes 12; the branch pipeline 12 is vertically arranged in the middle of the main pipeline 11 and is communicated with the interior of the main pipeline 11; the inner wall of any port of the main pipeline 11 is provided with a mounting groove 3 along the circumferential direction;

the steering assembly is arranged in the shell 1 and is provided with a driving end and a driven end which are vertically arranged; a bushing 2 is arranged between the driven end and the main pipeline 11, and the bushing 2 is positioned at the mounting groove 3; the driving end can drive the driven end to reciprocate relative to the main pipeline 11 along a first direction;

the connecting assembly 4 is arranged on one side of the driven end close to the lining 2; the connecting assembly 4 is used for connecting a member to be steered;

and the driving device is used for controlling the driving end to rotate, so that the driven end drives the connecting assembly 4 to enable the piece to be steered to act.

In the present embodiment, the housing 1 has a main pipe 11 and a branch pipe 12, the main pipe 11 and the branch pipe 12 being designed for mounting a steering assembly;

the steering assembly is used for completing steering action of the steering device, a driving end and a driven end of the steering assembly, and the driven end can be driven to linearly move by the rotation motion of the driving end;

the port of the inner wall of the main pipeline 11 is provided with an installation groove 3 for accommodating the bushing 2, and the bushing 2 is sleeved on one side of the driven end close to the connecting assembly 4, so that the design can reduce the load of the steering assembly and guide and position the driven end in advance when the driven end moves linearly;

specifically, as shown in fig. 1, the steering assembly includes:

the driving rotating shaft 5 is inserted into the branch pipeline 12; the driving rotating shaft 5 forms a driving end, a gear is circumferentially arranged at one end, close to the interior of the shell 1, of the driving rotating shaft 5, the gear is a spiral-like gear, a large contact area between the gear and a rack is guaranteed, and the steering fault-tolerant rate is improved;

the driven rotating shaft 6 is inserted into the main pipeline 11; driven rotating shaft 6 forms the driven end, and 6 axis body one side of driven rotating shaft is provided with the rack that sets up with gear engagement, and 6 and the cooperation of initiative pivot 5 can make driven rotating shaft 6 do reciprocating motion for trunk line 11 along the first direction for trunk line 11, and the first direction is the direction that the parallel is trunk line 11.

Specifically, as shown in fig. 1, the connection assembly includes:

the first ball head seat 41 is arranged at one end, close to the bush 2, of the driven rotating shaft 6, and a first concave cavity is formed in the first ball head seat 41 and used for accommodating a first ball pin 42;

the first ball stud 42, the first ball stud 42 has a first head and a first rod, the first head is movably disposed in the first cavity, and the first rod is located on a side of the first head away from the first ball socket 41; the first head of the first ball stud 42 is clamped in the first cavity of the first ball cup 41, and then the first ball stud can move in the first cavity without falling out; as shown in fig. 2, the first ball joint seat 41 and the first ball stud 42 are further covered with a protective cover 14 for preventing dust from entering;

a second ball head seat 43, the second ball head seat 43 being disposed on the first rod, the second ball head seat 43 being provided with a second cavity, the second cavity being configured to accommodate a second ball pin 44;

the second ball stud 44 is provided with a second head and a second rod, the second head is movably arranged in the second cavity, the rod is positioned on one side, away from the second ball socket 43, of the second head, the second head of the second ball stud 44 is clamped in the first cavity of the second ball socket 43, and then the second ball head can move in the second cavity but cannot be pulled out;

the connecting assembly is used for transmitting the force of the linear motion of the driven end, so that a to-be-steered part further connected with the connecting assembly performs steering action, and the to-be-steered part is of a type such as a wheel; the driven end moves linearly to push the wheels to shift by a certain angle, so that the steering action is realized.

Specifically, the adjusting assembly includes adjusting casing 7, adjusting casing 7 sets up on trunk line 11, and sets up with trunk line 11 intercommunication, adjusts casing 7 and trunk line 11 and branch pipe 12 and all sets up perpendicularly, adjusts the inside regulating part that is provided with of casing 7 for adjust the relative position of gear and rack.

The adjusting part comprises a fixed sleeve, the fixed sleeve is connected with one side of the driven rotating shaft, which is far away from the rack, in a sliding manner, and a rubber pad is arranged at the contact end of the fixed sleeve and the driven rotating shaft 6; an elastic element, such as a spring, is arranged in the fixed sleeve, the elastic element is connected with an adjusting sheet through one end close to the driven rotating shaft 6, and the adjusting sheet is matched with the surface radian of the driven rotating shaft 6; under the elastic force of the elastic element, the adjusting sheet can be abutted against the side surface of the driven rotating shaft 6 far away from the driving rotating shaft 5, so that the driving rotating shaft 5 can be normally contacted with the driven rotating shaft 6; an adjusting pressing block is further arranged at the port of the adjusting shell 7, the adjusting pressing block is connected with one end, far away from the driven rotating shaft 6, of the elastic element, and the adjusting pressing block is in threaded connection with the adjusting shell 7; the elastic element can push the driven rotating shaft 6 by rotating the adjusting pressing block, so that the driving rotating shaft 5 is ensured to be normally contacted with the driven rotating shaft 6, and the steering operation is completed.

Specifically, a shaft barrel 13 is arranged inside the branch pipeline 12, the shaft barrel 13 is used for accommodating a bearing, and the bearing is used for supporting the driving rotating shaft 5 to rotate;

specifically, the outer wall of the casing 1 is provided with a support structure 10, the support structure 10 is used for improving the strength of the casing 1, the support structure is provided between the branch pipeline 12 and the adjusting casing 7, and the strength of the casing 1 is ensured, wherein the support structure 10 is a support steel plate.

Further, the upper outer wall of the housing 1 further has a plurality of extending portions 9, as shown in fig. 2, the number of the extending portions is 3, and the extending portions 9 are provided with connecting holes for connecting with other components.

The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. An automobile steering gear, comprising:

a housing (1), the housing (1) having a main conduit (11) and a branch conduit (12); the branch pipeline (12) is vertically arranged in the middle of the main pipeline (11) and is communicated with the inside of the main pipeline (11); a mounting groove (3) is formed in the inner wall of any one port of the main pipeline (11) along the circumferential direction of the inner wall;

the steering assembly is arranged in the shell (1) and is provided with a driving end and a driven end which are vertically arranged; a bushing (2) is arranged between the driven end and the main pipeline (11), and the bushing (2) is positioned at the mounting groove (3); the driving end can drive the driven end to reciprocate relative to the main pipeline (11) along a first direction;

the connecting assembly (4) is arranged on one side, close to the lining (2), of the driven end; the connecting assembly (4) is used for connecting a to-be-steered piece;

and the driving device is used for controlling the driving end to rotate, so that the driven end drives the connecting assembly (4) to enable the to-be-steered piece to act.

2. The steering assembly of claim 1, wherein the steering assembly comprises:

the driving rotating shaft (5) is inserted into the branch pipeline (12); the driving rotating shaft (5) forms the driving end; a gear is circumferentially arranged at one end, close to the interior of the shell (1), of the driving rotating shaft (5);

the driven rotating shaft (6) is inserted into the main pipeline (11); the driven rotating shaft (6) forms the driven end; and a rack meshed with the gear is arranged on one side of the shaft body of the driven rotating shaft (6).

3. The vehicle steering gear according to claim 2, wherein the connection assembly comprises:

the first ball socket (41), the first ball socket (41) is arranged at one end of the driven rotating shaft (6) close to the bush (2); a first concave cavity is formed in the first ball head seat (41);

a first ball stud (42), said first ball stud (42) having a first head portion and a first shank portion; the first head part is movably arranged in the first concave cavity, and the first rod part of the first head part is positioned on one side of the first head part, which is far away from the first ball socket (41);

a second ball cup (43), the second ball cup (43) being disposed on the first stem; a second concave cavity is formed in the second ball head seat (43);

a second ball stud (44), said second ball stud (44) having a second head portion and a second shank portion; the second head is movably arranged in the second cavity, and the rod part of the second head is positioned on one side, far away from the second ball socket (43), of the second head.

4. The automobile steering gear according to claim 2, characterized by further comprising an adjusting assembly, wherein the adjusting assembly comprises an adjusting shell (7), the adjusting shell (7) is arranged on the main pipeline (11) and is communicated with the main pipeline (11); the adjusting shell (7) is perpendicular to the main pipeline (11) and the branch pipelines (12); and an adjusting part is arranged in the adjusting shell (7) and used for adjusting the relative position of the gear and the rack.

5. The steering gear according to claim 4, characterized in that the branch pipe (12) is internally provided with a shaft barrel (13), the shaft barrel (13) is used for accommodating a bearing, and the bearing is used for supporting the driving rotating shaft (5) to rotate.

6. The steering gear according to claim 1, characterized in that the outer wall of the housing (1) is provided with a support structure (10), and the support structure (10) is used for improving the strength of the outer housing (1).

7. The automobile steering device according to claim 1, characterized in that the outer wall of the housing (1) is provided with a plurality of extending parts (9), and the extending parts (9) are provided with connecting holes.