CN203516059U - Oil pump shaft - Google Patents
Oil pump shaft Download PDFInfo
- Publication number
- CN203516059U CN203516059U CN201320555713.5U CN201320555713U CN203516059U CN 203516059 U CN203516059 U CN 203516059U CN 201320555713 U CN201320555713 U CN 201320555713U CN 203516059 U CN203516059 U CN 203516059U
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- CN
- China
- Prior art keywords
- shaft
- pump shaft
- oil pump
- coupling shaft
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Reciprocating Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model provides an oil pump shaft, and belongs to the technical field of pump shafts. The oil pump shaft solves the problems that an oil pump transmission shaft is poor in abrasive resistance, short in service life and the like. The oil pump shaft comprises a pump shaft body, a connecting shaft is arranged at one end of the pump shaft body, a spline shaft is arranged on the end portion of the connecting shaft, and the pump shaft body, the connecting shaft and the spline shaft are of an integral shaft and are coaxially arranged. The oil pump shaft has the advantages of being precise in structure, long in service life, low in transformation cost, stable in product running, good in economic benefit, safe and reliable in running and the like.
Description
Technical field
The utility model belongs to pump shaft technical field, refers in particular to a kind of oil pump shaft.
Background technique
Oil pump drive spindle is the component with high-precision requirement, and conventionally transmission shaft comprises joint and main body, and joint is often processed with spline, and the shape of spline and size all can affect wear resistance and the working life of transmission shaft.
Summary of the invention
The purpose of this utility model is to provide a kind of oil pump shaft, and its processing is simple, Product Assembly highly versatile.
The purpose of this utility model is achieved in that
An oil pump shaft, comprises pump shaft body, it is characterized in that: one end of described pump shaft body is provided with coupling shaft, and the end of described coupling shaft is provided with splined shaft, and described pump shaft body, coupling shaft and splined shaft is integrative-structure and is all concentric settings.
In above-mentioned a kind of oil pump shaft, the external diameter of described coupling shaft is less than the external diameter of pump shaft body.
In above-mentioned a kind of oil pump shaft, described coupling shaft is provided with position limiting convex ring, and described position limiting convex ring and coupling shaft are one.
The utility model compared to existing technology outstanding and useful technique effect is:
The utlity model has precise structure, long service life, reforming cost is low, product is stable, the feature such as good in economic efficiency, safe and reliable to operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the lateral plan of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the utility model is further described, referring to Fig. 1-3:
An oil pump shaft, comprises pump shaft body 1, it is characterized in that: one end of described pump shaft body is provided with coupling shaft 2, and the end of described coupling shaft is provided with splined shaft 3, and described pump shaft body, coupling shaft and splined shaft is integrative-structure and is all concentric settings.
As shown in Figure 2: above-mentioned splined shaft, coupling shaft and pump shaft body are connected by left-to-right order successively one.
As preferably, the external diameter of above-mentioned coupling shaft is less than the external diameter of pump shaft body.
As preferably, above-mentioned coupling shaft is provided with position limiting convex ring 4, and described position limiting convex ring and coupling shaft are one.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this protection domain of the present utility model, therefore: all equivalences of doing according to structure of the present utility model, shape, principle change, within all should being covered by protection domain of the present utility model.
Claims (3)
1. an oil pump shaft, comprise pump shaft body (1), it is characterized in that: one end of described pump shaft body is provided with coupling shaft (2), the end of described coupling shaft is provided with splined shaft (3), and described pump shaft body, coupling shaft and splined shaft is integrative-structure and is all concentric settings.
2. a kind of oil pump shaft according to claim 1, is characterized in that: the external diameter of described coupling shaft is less than the external diameter of pump shaft body.
3. a kind of oil pump shaft according to claim 1, is characterized in that: described coupling shaft is provided with position limiting convex ring (4), and described position limiting convex ring and coupling shaft are one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555713.5U CN203516059U (en) | 2013-09-06 | 2013-09-06 | Oil pump shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320555713.5U CN203516059U (en) | 2013-09-06 | 2013-09-06 | Oil pump shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516059U true CN203516059U (en) | 2014-04-02 |
Family
ID=50374997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320555713.5U Expired - Fee Related CN203516059U (en) | 2013-09-06 | 2013-09-06 | Oil pump shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203516059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135565A (en) * | 2021-10-12 | 2022-03-04 | 宁波镇明转轴有限公司 | Novel automobile oil pump driving shaft and machining process thereof |
-
2013
- 2013-09-06 CN CN201320555713.5U patent/CN203516059U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135565A (en) * | 2021-10-12 | 2022-03-04 | 宁波镇明转轴有限公司 | Novel automobile oil pump driving shaft and machining process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20200906 |