CN210035006U - Oil pump with mounting flange - Google Patents
Oil pump with mounting flange Download PDFInfo
- Publication number
- CN210035006U CN210035006U CN201920746790.6U CN201920746790U CN210035006U CN 210035006 U CN210035006 U CN 210035006U CN 201920746790 U CN201920746790 U CN 201920746790U CN 210035006 U CN210035006 U CN 210035006U
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- China
- Prior art keywords
- pump body
- pump
- oil
- cavity
- flange
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- 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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Abstract
The utility model discloses an oil pump with mounting flange, including pump cover, the pump body, inner rotor and external rotor, the pump body includes flange and pump body main part, and pump body main part and flange link firmly through the connecting rod. The circular first cavity that is used for installing inner rotor and outer rotor is seted up along its direction of height in the pump body main part, and inlet port, oil outlet and a shaft hole have been seted up to the bottom surface of first cavity, and a plurality of first mounting holes have been seted up at the upper surface edge of pump body main part, and the axis of first cavity is perpendicular with the connecting rod. The connecting rod is a pipe fitting, the oil outlet hole is communicated with the cavity of the pipe fitting, and the center of the flange is provided with a through hole communicated with the cavity of the pipe fitting. Because the structure of engine is comparatively special, oil inlet and oil-out distance are far away, but the engine oil pump volume is too big, and weight is heavy, with high costs, and can interfere with other parts during the installation, through setting up the connecting rod, has reduced the weight of oil pump, through setting up the flange, passes through the flange with the oil pump and is connected with the engine, the installation of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the oil pump, concretely relates to oil pump with mounting flange.
Background
Due to the large market demand for light trucks, especially low speed and high load vehicle models, such engines have high quality requirements for oil pumps. Long-term practice proves that in the operation of the engine oil pump, the three factors of pressure, flow and flow rate of lubricating oil at each lubricating part are different from each other in strict meaning, and reliable and reasonable oil supply at each different part is more important.
In the traditional oil pump, an oil inlet channel and an oil outlet channel are positioned on a pump body, and the traditional oil pump is inconvenient to install due to limited installation space, is easy to interfere with other surrounding parts, and is easy to leak oil at the joint of a rotating shaft and the pump body.
Disclosure of Invention
An object of the utility model is to provide an oil pump with mounting flange solves among the prior art oil feed passageway and goes out the oil passage and be located pump body, because installation space is limited, leads to the installation of being not convenient for, and easy and other parts take place to interfere on every side, and the technical problem of the easy oil leak of pivot and pump body coupling department.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme:
an oil pump with a mounting flange comprises a pump cover, a pump body, an inner rotor and an outer rotor, wherein the pump body comprises a flange and a pump body main body, the pump body main body and the flange are fixedly connected through a connecting rod, and the pump body main body, the flange and the connecting rod are integrally formed;
the pump body is provided with a first concave cavity along the height direction, an inner rotor and an outer rotor are installed in the first concave cavity, the bottom surface of the first concave cavity is provided with an oil inlet hole, an oil outlet hole and a shaft hole, and the oil inlet hole is a through hole and penetrates out of the side wall of the pump body; the edge of the upper surface of the pump body main body is provided with a plurality of first mounting holes, and the first mounting holes are through holes and penetrate through the pump body main body; the axis of the first concave cavity is vertical to the connecting rod; the inner rotor is fixed on the rotating shaft, and the lower end of the rotating shaft passes through the shaft hole and then extends out of the pump body;
the connecting rod is a pipe fitting, the oil outlet is communicated with the cavity of the pipe fitting, the center of the flange is provided with a through hole, and the through hole is communicated with the cavity of the pipe fitting;
the pump cover is arranged on the pump body main body, a plurality of second mounting holes are formed in the pump cover, the number of the second mounting holes is the same as that of the first mounting holes, and the second mounting holes correspond to the first mounting holes in position.
The engine is characterized in that the engine is of a special structure, the distance between the oil inlet and the oil outlet is long, but the engine oil pump is heavy and high in cost if too large in size, and can interfere with other parts during installation; because the whole length of this oil pump is longer, so the bottom surface of pump body main part is as another connection face, and the bolt passes first mounting hole and is connected with the engine. The installation is ensured to be reliable, and the device cannot shake or fall off.
The improved structure is characterized in that the bottom surface of the pump body main body is upwards sunken to form a second cavity for mounting the skeleton sealing ring, the lower end of the shaft hole is communicated with the second cavity, the shaft hole and the second cavity are coaxially arranged, the skeleton sealing ring is embedded in the second cavity, and the skeleton sealing ring is sleeved on the rotating shaft. The sealing performance is improved, and oil leakage at the shaft hole is prevented.
The pump body is further improved, a first annular groove for arranging a sealing ring is formed in the upper surface of the pump body main body, and the sealing performance between the pump body and the pump cover is improved; a second annular groove used for arranging a sealing ring is formed in the lower surface of the pump body main body, and sealing performance between the pump body and an engine mounting surface is improved.
The sealing structure is further improved, a third annular groove used for arranging a sealing ring is formed in the flange mounting surface, and the sealing performance between the flange and the engine mounting surface is improved.
The bottom surface of the first cavity is provided with two oil inlet holes which are communicated; two oil outlets are formed in the bottom surface of the first concave cavity and communicated with each other.
The pump body is characterized in that the contour of the upper surface of the pump body is rectangular, the number of the first mounting holes is four, and the four first mounting holes are distributed at four corners of the upper surface of the pump body.
The pump body is further improved, the two side faces of the pump body close to one end of the connecting rod are subjected to fillet treatment, the two side faces are cambered surfaces, assembly is facilitated, and interference is prevented.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the engine is characterized in that the engine is of a special structure, the distance between the oil inlet and the oil outlet is long, but the engine oil pump is heavy and high in cost if too large in size, and can interfere with other parts during installation; the whole length of the oil pump is long, so that the bottom surface of the pump body is used as another connecting surface to be connected with an engine. The installation is ensured to be reliable, and the device cannot shake or fall off.
2. Through setting up the skeleton sealing washer, improve sealing performance, prevent shaft hole department oil leak.
Drawings
Fig. 1 is a perspective view of the oil pump with a mounting flange according to the present invention.
Fig. 2 is a perspective view of the oil pump body with the mounting flange of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a sectional view a-a of fig. 3.
Detailed Description
In order to make the purpose and technical solution of the present invention clearer, the following will combine the embodiments of the present invention to clearly and completely describe the technical solution of the present invention.
As shown in fig. 1-4, the oil pump with the mounting flange comprises a pump cover 2, a pump body 1, an inner rotor and an outer rotor, wherein the pump body comprises a flange 13 and a pump body 11, the pump body and the flange are fixedly connected through a connecting rod 12, the pump body, the flange and the connecting rod are integrally formed, and the connecting rod is horizontally arranged.
The pump body is provided with a first cavity 17 along the height direction, an inner rotor and an outer rotor are installed in the first cavity, the bottom surface of the first cavity 17 is provided with an oil inlet, an oil outlet and a shaft hole, and the oil inlet 15 is a through hole and penetrates out of the side wall of the pump body; four first mounting holes 14 are formed in the edge of the upper surface of the pump body 11, and the first mounting holes 14 are through holes and penetrate through the pump body; the axis of the first cavity 17 is perpendicular to the connecting rod 12; the inner rotor is fixed on the rotating shaft, and the lower end of the rotating shaft passes through the shaft hole and then extends out of the pump body;
the connecting rod 12 is a pipe fitting, the oil outlet 16 is communicated with the cavity of the pipe fitting, and a through hole is formed in the center of the flange 13 and is communicated with the cavity of the pipe fitting. The pump cover 2 covers the pump body main body, and is provided with a plurality of second mounting holes, and the second mounting holes are the same with the first mounting holes in quantity and are corresponding in position.
The engine is characterized in that the engine is of a special structure, the distance between the oil inlet and the oil outlet is long, but the engine oil pump is heavy and high in cost if too large in size, and can interfere with other parts during installation; the whole length of the oil pump is long, so that the bottom surface of the pump body is used as another connecting surface to be connected with an engine. The installation is ensured to be reliable, and the device cannot shake or fall off.
In this embodiment, the bottom surface of the pump body is recessed upwards to form a second cavity 19, and the framework sealing ring is mounted to improve the sealing performance and prevent oil leakage from the shaft hole. The lower end of the shaft hole 18 is communicated with the second concave cavity 19, and the shaft hole and the second concave cavity are coaxially arranged. And a framework sealing ring is embedded in the second cavity and sleeved on the rotating shaft.
In this embodiment, the upper surface of the pump body main body is provided with a first annular groove 111 for arranging a seal ring, so that the sealing performance between the pump body and the pump cover is improved; the lower surface of the pump body main body is provided with a second annular groove 112 for arranging a sealing ring, so that the sealing performance between the pump body and the engine mounting surface is improved.
In this embodiment, a third annular groove 131 for installing a sealing ring is formed on the flange mounting surface, so as to improve the sealing performance between the flange and the engine mounting surface.
In this embodiment, two oil inlets are formed in the bottom surface of the first cavity, and the two oil inlets are communicated; two oil outlets are formed in the bottom surface of the first concave cavity and communicated with each other.
In this embodiment, the profile of the upper surface of the pump body 11 is rectangular, the number of the first mounting holes 14 is four, and the four first mounting holes are distributed at four corners of the upper surface of the pump body.
In this embodiment, the two side faces of the pump body 11 close to one end of the connecting rod are rounded, and the two side faces are arc faces, so that the assembly is facilitated, and the interference is prevented.
What has not been described in detail in the present invention is the prior art or can be realized by the prior art, and the specific embodiment of the present invention is only the preferred embodiment of the present invention, which is not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.
Claims (7)
1. An oil pump with a mounting flange comprises a pump cover, a pump body, an inner rotor and an outer rotor, and is characterized in that the pump body comprises a flange and a pump body main body, the pump body main body and the flange are fixedly connected through a connecting rod, and the pump body main body, the flange and the connecting rod are integrally formed;
the pump body is provided with a first concave cavity along the height direction, an inner rotor and an outer rotor are installed in the first concave cavity, the bottom surface of the first concave cavity is provided with an oil inlet hole, an oil outlet hole and a shaft hole, and the oil inlet hole is a through hole and penetrates out of the side wall of the pump body; the edge of the upper surface of the pump body main body is provided with a plurality of first mounting holes, and the first mounting holes are through holes and penetrate through the pump body main body; the axis of the first concave cavity is vertical to the connecting rod; the inner rotor is fixed on the rotating shaft, and the lower end of the rotating shaft passes through the shaft hole and then extends out of the pump body;
the connecting rod is a pipe fitting, the oil outlet is communicated with the cavity of the pipe fitting, and the center of the flange is provided with a through hole which is communicated with the cavity of the pipe fitting;
the pump cover is arranged on the pump body main body in a covering mode, a plurality of second mounting holes are formed in the pump cover, the number of the second mounting holes is the same as that of the first mounting holes, and the second mounting holes correspond to the first mounting holes in position.
2. The oil pump with the mounting flange according to claim 1, wherein the bottom surface of the pump body is recessed upwards to form a second cavity for mounting the skeleton sealing ring, the lower end of the shaft hole is communicated with the second cavity, the shaft hole and the second cavity are coaxially arranged, the skeleton sealing ring is embedded in the second cavity, and the skeleton sealing ring is sleeved on the rotating shaft.
3. The oil pump with the mounting flange according to claim 1 or 2, wherein a first annular groove for arranging the sealing ring is formed in the upper surface of the pump body, and a second annular groove for arranging the sealing ring is formed in the lower surface of the pump body.
4. The oil pump with the mounting flange as claimed in claim 3, wherein a third annular groove for arranging a sealing ring is formed on the flange mounting surface.
5. The oil pump with the mounting flange according to claim 4, wherein two oil inlets are formed in the bottom surface of the first concave cavity, and the two oil inlets are communicated with each other; two oil outlets are formed in the bottom surface of the first concave cavity and communicated with each other.
6. The oil pump with the mounting flange as claimed in claim 5, wherein the contour of the upper surface of the pump body is rectangular, the number of the first mounting holes is four, and the four first mounting holes are distributed at four corners of the upper surface of the pump body.
7. The oil pump with a mounting flange according to claim 6, wherein two side faces of the pump body close to one end of the connecting rod are rounded, and the two side faces are arc faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920746790.6U CN210035006U (en) | 2019-05-22 | 2019-05-22 | Oil pump with mounting flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920746790.6U CN210035006U (en) | 2019-05-22 | 2019-05-22 | Oil pump with mounting flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210035006U true CN210035006U (en) | 2020-02-07 |
Family
ID=69367454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920746790.6U Expired - Fee Related CN210035006U (en) | 2019-05-22 | 2019-05-22 | Oil pump with mounting flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210035006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303469A (en) * | 2020-11-20 | 2021-02-02 | 湖南机油泵股份有限公司 | Oil pump capable of adjusting position of oil outlet |
-
2019
- 2019-05-22 CN CN201920746790.6U patent/CN210035006U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303469A (en) * | 2020-11-20 | 2021-02-02 | 湖南机油泵股份有限公司 | Oil pump capable of adjusting position of oil outlet |
| CN112303469B (en) * | 2020-11-20 | 2022-03-11 | 湖南机油泵股份有限公司 | Oil pump capable of adjusting position of oil outlet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200207 |