CN212373482U - Oil duct structure of power steering gear shell - Google Patents
Oil duct structure of power steering gear shell Download PDFInfo
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- CN212373482U CN212373482U CN201922475301.0U CN201922475301U CN212373482U CN 212373482 U CN212373482 U CN 212373482U CN 201922475301 U CN201922475301 U CN 201922475301U CN 212373482 U CN212373482 U CN 212373482U
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- oil duct
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- end cover
- fan
- power steering
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Abstract
The utility model relates to an oil duct structure of power steering casing, including through casting integrated into one piece's barrel and end cover, the upper portion of barrel is equipped with first oil duct, is equipped with the sector block in the end cover, forms fan-shaped oil duct, first oil duct and fan-shaped oil duct intercommunication between sector block and the end cover. The utility model designs the cylinder body and the end cover into one-step casting forming, the two-step processing of the shell oil duct is optimized into one-step processing technology, compared with the traditional secondary processing oil duct structure, the new casting oil duct structure can reduce and avoid the damage to the shell oil duct structure and the sealing assembly of the hexagonal socket head cone screw plug, and the one-step optimization is carried out from the machining technology and the assembly technology, thereby solving the technical problems of complex operation, high processing precision requirement and more time consumption in the prior art; a fan-shaped oil passage transition space is reserved when a shell blank is cast, a space transition structure of the fan-shaped oil passage is designed on an end cover of the shell, hydraulic oil can flow smoothly, the casting structure is simple and operable, and the fan-shaped oil passage transition structure is arranged at the end cover to be formed in one step.
Description
Technical Field
The utility model relates to a technical field of power steering gear casing especially relates to an oil duct structure of power steering gear casing.
Background
The power steering device is a device for assisting a driver in steering by using power of an engine, converts energy of the engine into hydraulic energy (electric energy or air pressure energy), and then converts the hydraulic energy (the electric energy or the air pressure energy) into mechanical energy to act on a steering wheel to assist the driver in steering, so the power steering device is called as a power-assisted steering device. Traditional casing oil duct forms the oil duct structure for twice drilling processing, and its processing needs to adopt twice change frock clamp, and is high to the required precision of processing moreover, leads to complex operation, and the cost time is more. As shown in fig. 1-2, in a conventional power steering gear housing, the power steering gear housing includes a cylinder 1 and an end cover 2 which are separately connected, the cylinder 1 and the end cover 2 are fixedly connected by a threaded fastener 3, and deep-hole machining oil passages, i.e., a first oil passage 11 and a second oil passage 21, are respectively performed on the cylinder 1 and the end cover 2, the oil passages are poor in forming consistency, and a fixture needs to be replaced by two times during installation, which greatly increases machining time and labor cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oil duct structure of power steering gear casing has solved complex operation, the high and more technical problem of cost time of machining precision requirement among the prior art.
The utility model provides a scheme as follows of above-mentioned technical problem: the utility model provides an oil duct structure of power steering gear casing, oil duct structure includes through casting integrated into one piece's barrel and end cover, the upper portion of barrel is equipped with first oil duct, be equipped with the sector block in the end cover, the sector block with form fan-shaped oil duct between the end cover, first oil duct with fan-shaped oil duct is linked together.
Further, the fan-shaped blocks and the end cover are integrally formed through casting.
Further, the bottom of barrel is equipped with the oil outlet end, the oil outlet end with fan-shaped oil duct is linked together, the oil-out of oil outlet end sets up along certain angle downwards.
Further, an included angle between the axis of the oil outlet end and the vertical direction is 60 degrees.
Further, an included angle between the axis of the oil outlet end and the vertical direction is 45 degrees.
Further, an electric switch valve is arranged at an oil outlet of the oil outlet end.
Furthermore, a cavity for accommodating other parts is arranged in the cylinder body.
The utility model has the advantages that: the utility model provides an oil duct structure of power steering gear casing has following advantage:
1. the novel casting oil duct structure can reduce and avoid damage to the oil duct structure of the shell and sealing assembly of the hexagonal socket head cone screw plug compared with the traditional secondary machining oil duct structure by designing the cylinder body and the end cover into one-step casting molding and optimizing two-step machining of the oil duct of the shell into one-step machining process;
2. the method is characterized in that a fan-shaped oil passage transition space is reserved when a shell blank is cast, a space transition structure of the fan-shaped oil passage is designed on an end cover of the shell, so that hydraulic oil can flow smoothly, the casting structure is simple and operable, and the fan-shaped oil passage transition space is formed at the end cover in one step;
3. compared with the traditional structure, the oil duct of the newly cast shell has better sealing stability, and the hydraulic transmission performance of the oil duct hydraulic transmission oil of the power steering gear assembly is improved, so that the overall steering performance, functionality and force characteristic of the power steering gear assembly are improved.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic diagram illustrating an overall structure of an oil passage structure of a conventional power steering gear housing provided in the prior art;
FIG. 2 is a simplified diagram of an oil passage structure of a conventional power steering gear housing provided in FIG. 1;
fig. 3 is a simplified diagram of an oil passage structure of a power steering gear housing according to an embodiment of the present invention;
FIG. 4 is a right side partial cross-sectional view of the oil gallery structure of the power steering gear housing provided in FIG. 3;
fig. 5 is an overall view of an oil passage structure of a power steering gear housing provided in fig. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a barrel; 11. a first oil passage; 2. an end cap; 21. a second oil passage; 22. a fan-shaped oil passage; 3. a threaded fastener; 4. an oil outlet end; 5. a segment.
Detailed Description
The principles and features of the present invention are described below in conjunction with the accompanying fig. 3-5, the examples given are only for the purpose of explaining the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 3-5, the utility model provides an oil duct structure of power steering gear casing, the oil duct structure includes barrel 1 and end cover 2 through casting integrated into one piece, the upper portion of barrel 1 is equipped with first oil duct 11, be equipped with sector 5 in the end cover 2, sector 5 with form fan-shaped oil duct 22 between the end cover 2, first oil duct 11 with fan-shaped oil duct 22 is linked together.
The above embodiment provides an oil passage structure of a power steering gear housing, which has the following advantages:
1. the cylinder body 1 and the end cover 2 are designed to be formed by one-time casting, and two times of processing of the shell oil duct are optimized into one-time processing technology, compared with the traditional secondary processing oil duct structure, the novel casting oil duct structure can reduce and avoid damage to the shell oil duct structure and sealing assembly of the hexagonal socket head cone screw plug, one-time optimization is performed on the machining technology and the assembly technology, and the technical problems of complex operation, high processing precision requirement and more time consumption in the prior art are solved;
2. a fan-shaped oil passage transition space is reserved when a shell blank is cast, a space transition structure of a fan-shaped oil passage 22 is designed on an end cover 2 of the shell, so that hydraulic oil can flow smoothly, the casting structure is simple and operable, and the fan-shaped oil passage is arranged at the end cover 2 for one-step molding;
3. compared with the traditional structure, the oil duct of the newly cast shell has better sealing stability, and the hydraulic transmission performance of the oil duct hydraulic transmission oil of the power steering gear assembly is improved, so that the overall steering performance, functionality and force characteristic of the power steering gear assembly are improved.
Preferably, the segments 5 are integrally formed with the end cap 2 by casting. Through with segment 5 with end cover 2 designs for through casting integrated into one piece, adopts this kind of casing oil duct adjustment structure of optimizing, and is better to oil duct structural stability and leakproofness, can make the whole power transmission nature of steering gear better.
Preferably, the bottom of the cylinder body 1 is provided with an oil outlet end 4, the oil outlet end 4 is communicated with the fan-shaped oil passage 22, an oil outlet of the oil outlet end 4 is arranged downwards along a certain angle, the oil outlet at the bottom of the cylinder body 1 is smoother than that of a traditional structure, and the sealing performance and the dynamic performance of a hydraulic power circulation system of the steering gear are more stable, so that the comprehensive performance of the power steering gear is integrally improved.
Preferably, according to the actual operating condition requirement, an included angle between the axis of the oil outlet end 4 and the vertical direction is 60 degrees.
Preferably, according to the actual operating condition needs, the contained angle between the oil outlet axis of oil outlet end 4 and the vertical direction is 45 degrees.
Preferably, an electric switch valve is arranged at the oil outlet of the oil outlet end 4. The electric switch valve is arranged at the oil outlet, so that automatic control is convenient to realize.
Preferably, a cavity for accommodating other parts is arranged in the cylinder body 1.
The utility model discloses a concrete theory of operation and application method do: after flowing through the first oil passage 11 and the fan-shaped oil passage 22, the hydraulic oil enters the oil outlet of the oil outlet end 4 and is discharged.
The utility model provides an oil duct structure of power steering gear casing adopts and optimizes casing oil duct structure, and processing is convenient, reduces drilling processing, subtracts the assembly of exempting from a Z1/4 "or 1/8" taper bolt simultaneously when assembling steering gear assembly, reduces the part cost, makes power hydraulic oil transmission reliability better simultaneously, also avoids drilling processing taper screw plug's oil leak point, promotes the holistic comprehensive properties of steering gear. By adopting the optimized adjusting structure of the oil duct of the shell, the structural stability and the sealing performance of the oil duct are better, and the integral power transmission performance of the steering gear can be better.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an oil duct structure of power steering gear casing, its characterized in that, oil duct structure includes barrel (1) and end cover (2) through casting integrated into one piece, the upper portion of barrel (1) is equipped with first oil duct (11), be equipped with sector block (5) in end cover (2), sector block (5) with form fan-shaped oil duct (22) between end cover (2), first oil duct (11) with fan-shaped oil duct (22) are linked together.
2. The oil passage structure of a power steering gear housing according to claim 1, wherein the segment (5) is integrally formed with the end cover (2) by casting.
3. The oil passage structure of the power steering gear housing according to claim 1, wherein the bottom of the cylinder (1) is provided with an oil outlet end (4), the oil outlet end (4) is communicated with the fan-shaped oil passage (22), and an oil outlet of the oil outlet end (4) is arranged downwards along a certain angle.
4. The oil passage structure of a power steering gear housing according to claim 3, characterized in that the angle between the oil outlet axis of the oil outlet end (4) and the vertical direction is 60 degrees.
5. The oil passage structure of a power steering gear housing according to claim 4, characterized in that the angle between the oil outlet axis of the oil outlet end (4) and the vertical direction is 45 degrees.
6. The oil passage structure of a power steering gear housing according to claim 5, characterized in that an electric switch valve is provided at the oil outlet of the oil outlet end (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922475301.0U CN212373482U (en) | 2019-12-31 | 2019-12-31 | Oil duct structure of power steering gear shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922475301.0U CN212373482U (en) | 2019-12-31 | 2019-12-31 | Oil duct structure of power steering gear shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212373482U true CN212373482U (en) | 2021-01-19 |
Family
ID=74157627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922475301.0U Active CN212373482U (en) | 2019-12-31 | 2019-12-31 | Oil duct structure of power steering gear shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212373482U (en) |
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2019
- 2019-12-31 CN CN201922475301.0U patent/CN212373482U/en active Active
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