CN217969649U - Steering valve and automobile steering device - Google Patents
Steering valve and automobile steering device Download PDFInfo
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- CN217969649U CN217969649U CN202221929437.XU CN202221929437U CN217969649U CN 217969649 U CN217969649 U CN 217969649U CN 202221929437 U CN202221929437 U CN 202221929437U CN 217969649 U CN217969649 U CN 217969649U
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- steering valve
- shell
- output shaft
- positioning
- steering
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Abstract
The utility model discloses a steering valve, which comprises a steering valve shell and a steering valve assembly arranged in the steering valve shell, wherein the steering valve shell comprises a second shell and a first shell arranged on the second shell; a positioning convex circular ring is arranged on the end face of one end of the first shell, and a first tube cavity is arranged in the first shell; a second tube cavity and a positioning circular groove arranged in the second tube cavity are arranged in the second shell; the axes of the positioning convex circular ring, the positioning circular groove, the first tube cavity and the second tube cavity are the same; the steering valve assembly comprises a valve body, an input shaft, an output shaft and a limiting component, wherein the input shaft is embedded in the valve body, and the valve body is embedded in the first pipe cavity; the limiting component is arranged in the positioning circular groove, and the output shaft penetrates through the central part of the limiting component and is arranged in the second pipe cavity; the utility model also discloses a steering gear. The utility model discloses can realize the quick location installation of input shaft and output shaft, the dismantlement simple to operate of steering valve and steering valve assembly can improve installation effectiveness or maintenance efficiency.
Description
Technical Field
The utility model relates to a turn to equipment technical field, especially relate to a steering valve and auto steering ware.
Background
The automobile steering device is an important part in an automobile steering system, and is a mechanical device which is connected with a steering wheel and wheels of an automobile and realizes automobile steering control. The automobile steering device mainly comprises a steering valve and a steering oil cylinder. The steering valve comprises a steering valve shell and a steering valve assembly installed in the steering valve shell, and the steering valve shell comprises a first shell and a second shell connected with the steering oil cylinder. The steering valve assembly comprises an input shaft connected with the steering wheel and an output shaft connected with the input shaft, and the output shaft penetrates into a pipe cavity in the second shell and is connected with the rack in a matched mode so as to achieve steering control.
The existing steering valve is characterized in that a steering valve assembly is integrally arranged in a first shell, and is fixedly connected with the first shell through a hollow screw pipe so that the steering valve assembly and the first shell are fixedly integrated and are arranged on a lower second shell. Although the structure can facilitate the coaxial alignment, assembly and connection of the input shaft and the output shaft, when the components of the steering valve assembly need to be disassembled, assembled or maintained and replaced, the hollow screw tube needs to be disassembled and assembled firstly, so that the disassembly and the assembly are inconvenient, and the disassembly, the assembly efficiency or the maintenance efficiency are influenced; and the whole structure is more complicated and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a steering valve and auto steering ware are provided, can realize the split type installation of steering valve assembly, and the dismantlement simple to operate of steering valve and steering valve assembly can improve detection efficiency, installation effectiveness or maintenance efficiency etc..
In order to solve the technical problem, the utility model provides a steering valve, which comprises a steering valve shell and a steering valve assembly arranged in the steering valve shell, wherein the steering valve shell comprises a second shell and a first shell arranged on the second shell; a positioning convex circular ring is arranged on the end face of one end of the first shell, and a first tube cavity is arranged in the first shell; a second tube cavity and a positioning circular groove arranged in the second tube cavity are arranged in the second shell; the axes of the positioning convex circular ring, the positioning circular groove, the first tube cavity and the second tube cavity are the same; the steering valve assembly comprises a valve body, an input shaft, an output shaft and a limiting component, wherein the input shaft is embedded in the valve body, and the valve body is embedded in the first pipe cavity; the limiting component is arranged in the positioning circular groove, and the output shaft penetrates through the central part of the limiting component and is arranged in the second pipe cavity; when the first shell is installed on the second shell, the positioning convex circular ring is connected with the positioning circular groove in a clamping mode, and one end of the output shaft penetrates into the first pipe cavity and is connected with the input shaft in a matched mode.
As an improvement of the scheme, a pipe groove is formed in one end, close to the input shaft, of the output shaft, and one end of the input shaft is embedded into the pipe groove and is in transmission connection with the output shaft.
As an improvement of the scheme, the positioning circular groove further comprises a first positioning circular groove and a second positioning circular groove, the first positioning circular groove is connected with the positioning convex circular ring in a clamping mode, the second positioning circular groove is provided with a limiting part, and the lower end face of part of the positioning convex circular ring is abutted to the upper end face of part of the limiting part.
As the improvement of the scheme, the outer wall of the pipe groove is provided with a clamping convex circular ring, and the lower end surface of the clamping convex circular ring is abutted against the upper end surface of the limiting component.
As the improvement of the scheme, a sealing groove is arranged in the end part of the first pipe cavity, an oil seal part is arranged in the sealing groove, and the output shaft penetrates through the oil seal part and is connected with the input shaft in a matched mode.
As the improvement of above-mentioned scheme, be equipped with the gasket of cover on the output shaft in the seal groove, the gasket is located between oil blanket part and the spacing part.
As the improvement of the scheme, the limiting part is a bearing, and the bearing is in interference fit with the output shaft.
The utility model also provides an auto steering ware, including foretell diverter valve.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a steering valve and auto steering ware, protruding ring in location through setting up, the location circular slot, the axle center of first lumen and second lumen is the same, install in the circular slot in location through spacing part, pass spacing part's central part through the output shaft and locate in the second lumen, be connected with location circular slot block through the protruding ring in location, the casing is fixed a position the installation fast about the messenger, the input shaft is the same with the axle center of output shaft this moment, carry out axle center location and cooperation to the input shaft and output shaft fast and connect in order to realize. The utility model discloses can realize the split type installation of steering valve assembly, can realize the quick location installation of input shaft and output shaft again, the dismantlement simple to operate of steering valve and steering valve assembly can improve installation effectiveness or maintenance efficiency; and the whole structure is simple and the production cost is low.
Drawings
FIG. 1 is a schematic structural diagram of a steering valve provided by the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic structural view of the second housing and the output shaft.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in fig. 1 to 3, the embodiment of the present invention provides a steering valve, which includes a steering valve housing 1 and a steering valve assembly 2 installed in the steering valve housing 1, wherein the steering valve housing 1 includes a second housing 4 and a first housing 3 installed on the second housing 4; a positioning convex circular ring 11 is arranged on one end face of the first shell 3, and a first tube cavity 31 is arranged in the first shell 3; the second housing 4 is provided with a second lumen 41 and a positioning circular groove 42 provided in the second lumen 41. The steering valve assembly 2 comprises a valve body 5, an input shaft 6, an output shaft 7 and a limiting component 8, wherein the input shaft 6 is embedded in the valve body 5, and the valve body 5 is embedded in the first pipe cavity 31; the limiting component 8 is arranged in the positioning circular groove 42, and the output shaft 7 passes through the central part of the limiting component 8 and is arranged in the second tube cavity 41.
When the first housing 3 is mounted on the second housing 4, the positioning convex circular ring 11 is engaged with the positioning circular groove 42, so that the upper and lower housings can be quickly positioned and mounted. Because the axes of the positioning convex circular ring 11, the positioning circular groove 42, the first tube cavity 31 and the second tube cavity 41 are the same, the axes of the input shaft 6 and the output shaft 7 are the same, so that the axes of the input shaft 6 and the output shaft 7 can be quickly positioned, and one end of the output shaft 7 can conveniently penetrate into the first tube cavity 31 and be connected with the input shaft 6 in a matching way. Can realize the split type installation of diverter valve assembly 2 through above-mentioned structure and the mode of setting up thereof, through the fixed screw device of dismantling upper and lower casing and will go up the casing separation from top to bottom, can dismantle the installation or maintain the replacement to the part of diverter valve assembly 2 to make the dismantlement simple to operate of diverter valve and diverter valve assembly 2, can improve installation effectiveness or maintenance efficiency, overall structure is simple moreover, need not to add hollow screw pipe and carry out the thread processing to the inner wall of first casing 3, effective reduction in production cost.
Specifically, a pipe groove 71 is formed in one end of the output shaft 7 close to the input shaft 6, and one end of the input shaft 6 is embedded in the pipe groove 71 and is in transmission connection with the output shaft 7, so that the transmission stability of the input shaft 6 and the output shaft 7 is improved. Wherein, stop part 8 is bearing 81, and bearing 81 and output shaft 7 interference fit support the rotation of output shaft 7 through bearing 81, reduce the coefficient of friction in the output shaft 7 motion process to guarantee its gyration precision. In addition, the outer wall of the pipe groove 71 is provided with a clamping convex circular ring 72, the lower end surface of the clamping convex circular ring 72 is abutted against the inner ring part of the bearing 81, on one hand, the output shaft 7 can be supported and fixed, so that the pipe groove 71 at the end part is stably connected with the input shaft 6 during installation; on the other hand, the rotational connection stability of the output shaft 7 and the inner ring portion of the bearing 81 is improved.
It should be noted that the bearing 81 is preferably a ball bearing, and can bear a large load to improve the stability of the transmission mechanism.
Preferably, a sealing groove 33 is formed in the end of the first tube cavity 31, an oil sealing part 34 is arranged in the sealing groove 33, and the output shaft 7 penetrates through the oil sealing part 34 and is connected with the input shaft 6 in a matching mode. The oil seal member 34 serves to prevent oil leakage. The oil seal component 34 is preferably a low-pressure framework oil seal, but is not limited to this, and can be selected according to actual conditions. In addition, a gasket 35 which is sleeved on the output shaft 7 is arranged in the sealing groove 33, the gasket 35 is positioned between the oil seal component 34 and the limiting component 8, the upper end face of the gasket 35 is abutted with the oil seal component 34, and the lower end face of the gasket 35 is abutted with the outer ring part of the bearing 81, so that the sealing effect between the first pipe cavity 31 and the second pipe cavity 41 is improved.
Preferably, the positioning circular groove 42 further includes a first positioning circular groove 43 and a second positioning circular groove 44, the first positioning circular groove 43 is connected with the positioning convex circular ring 11 in a snap-fit manner, and the bearing 81 is installed on the second positioning circular groove 44. When the positioning convex circular ring 11 is clamped into the first positioning circular groove 43, the lower end face of part of the positioning convex circular ring 11 is abutted against the outer ring part of the bearing 81 so as to press and fix the outer ring part of the bearing 81, thereby facilitating the stable rotation of the inner ring part of the bearing 81 and the output shaft 7; and the inner diameter of the seal groove 33 at the end of the first lumen 31 can be increased, so that the seal groove 33 can prevent the large oil seal member 34 and the gasket 35, thereby improving the sealing effect accordingly. The outer side surface of the positioning convex circular ring 11 is abutted against the inner side surface of the first positioning circular groove 43 to realize the sealing effect.
The utility model also provides an auto steering ware, including foretell diverter valve. Since the above-mentioned steering valve has the above-mentioned technical effects, the steering device of the automobile including the above-mentioned steering valve should also have the above-mentioned technical effects, and will not be described herein again.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (8)
1. A steering valve comprising a steering valve housing and a steering valve assembly mounted in the steering valve housing, the steering valve housing comprising a second housing and a first housing mounted on the second housing;
a positioning convex circular ring is arranged on the end face of one end of the first shell, and a first tube cavity is arranged in the first shell; a second tube cavity and a positioning circular groove arranged in the second tube cavity are arranged in the second shell; the axes of the positioning convex circular ring, the positioning circular groove, the first tube cavity and the second tube cavity are the same;
the steering valve assembly comprises a valve body, an input shaft, an output shaft and a limiting component, wherein the input shaft is embedded in the valve body, and the valve body is embedded in the first pipe cavity; the limiting component is installed in the positioning circular groove, and the output shaft penetrates through the center of the limiting component and is arranged in the second tube cavity;
when the first shell is installed on the second shell, the positioning convex circular ring is connected with the positioning circular groove in a clamping mode, and one end of the output shaft penetrates into the first tube cavity and is connected with the input shaft in a matched mode.
2. The steering valve according to claim 1, wherein a tube slot is provided in an end of said output shaft adjacent to said input shaft, and an end of said input shaft is inserted into said tube slot and drivingly connected to said output shaft.
3. The steering valve according to claim 1, wherein the positioning circular groove further comprises a first positioning circular groove and a second positioning circular groove, the first positioning circular groove is connected with the positioning convex circular ring in a clamping manner, the limiting component is installed on the second positioning circular groove, and part of the lower end surface of the positioning convex circular ring is abutted against part of the upper end surface of the limiting component.
4. The steering valve according to claim 2, characterized in that the outer wall of the pipe groove is provided with a convex clamping circular ring, and the lower end surface of the convex clamping circular ring is abutted against the upper end surface of the limiting component.
5. The steering valve according to claim 1, wherein a seal groove is formed in an end portion of the first pipe cavity, an oil seal part is arranged in the seal groove, and the output shaft penetrates through the oil seal part and is connected with the input shaft in a matched mode.
6. The steering valve according to claim 5, wherein a gasket fitted around the output shaft is provided in the seal groove, and the gasket is located between the oil seal member and the stopper member.
7. The steering valve of claim 1, wherein the limiting member is a bearing that is an interference fit with the output shaft.
8. A steering gear for a motor vehicle, characterized in that it comprises a steering valve according to claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221929437.XU CN217969649U (en) | 2022-07-22 | 2022-07-22 | Steering valve and automobile steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221929437.XU CN217969649U (en) | 2022-07-22 | 2022-07-22 | Steering valve and automobile steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217969649U true CN217969649U (en) | 2022-12-06 |
Family
ID=84281210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221929437.XU Active CN217969649U (en) | 2022-07-22 | 2022-07-22 | Steering valve and automobile steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217969649U (en) |
-
2022
- 2022-07-22 CN CN202221929437.XU patent/CN217969649U/en active Active
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