CN204312978U - Rotor oil pump - Google Patents
Rotor oil pump Download PDFInfo
- Publication number
- CN204312978U CN204312978U CN201420127096.3U CN201420127096U CN204312978U CN 204312978 U CN204312978 U CN 204312978U CN 201420127096 U CN201420127096 U CN 201420127096U CN 204312978 U CN204312978 U CN 204312978U
- Authority
- CN
- China
- Prior art keywords
- oil pump
- rotor
- cover
- shaft
- pump shaft
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 66
- 238000005461 lubrication Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
Abstract
The utility model discloses a kind of rotor oil pump, comprise oil pump body, oil pump cover and oil pump shaft, described oil pump body is offered two rotor chambers, rotor chamber port installs oil pump cover, internal rotor and external rotor is provided with in each rotor chamber, and being assemblied on corresponding oil pump shaft, two oil pump shafts are connected by gear, and driving gear installed by one of them oil pump shaft.The utility model utilizes two rotor chambers respectively to parts fuel feeding different in motor, thus improves the Pulse of flow and pressure of oil pump, reduces noise; And it is simple to have structure, requirement on machining accuracy is not high, is easy to the advantage of assembling, has vast potential for future development.
Description
Technical field
The utility model relates to a kind of oil pump, particularly relates to a kind of rotor oil pump.
Background technique
Oil pump is the key component of engine lubrication system.In lubrication system, oil pump makes engine oil pressure raise and ensures that a certain amount of lubricant oil is sent in the gap of each friction surface in motor continuously, form oil film to ensure lubrication at friction surface, effectively improve engine fuel efficiency and increasing service life of engine.
Conventional machine oil pump is many provides each component lubrication by a rotor chamber, because each component movement situation is variant, is easy to the flow pulsation causing oil pump, and causes pressure pulsation, thus cause oil pump flow noise.
Model utility content
The purpose of this utility model is just to provide a kind of rotor oil pump, efficiently solves the pressure pulsation of conventional machine oil pump flow, the problem that flow noise is large.
The purpose of this utility model is realized by following technical proposals:
A kind of rotor oil pump, comprise oil pump body, oil pump cover and oil pump shaft, described oil pump body is offered two rotor chambers, rotor chamber port installs oil pump cover, internal rotor and external rotor is provided with in each rotor chamber, and being assemblied on corresponding oil pump shaft, two oil pump shafts are connected by gear, and driving gear installed by one of them oil pump shaft.
Further, described two rotor chambers are disposed side by side on oil pump body side.
This structure is conducive to convenient processing and manufacture, reduces manufacture cost.
Further, described two oil pump shafts are connected by gear in the other side of relative oil pump cover.
Further, on oil pump body, the other end of relative oil pump cover, does not install mounting framework oil sealing between the oil pump shaft of driving gear and oil pump body.
Do not install the rotor chamber corresponding to oil pump shaft of driving gear to engine crankshaft bearing shell fuel feeding, therefore pressure is comparatively large, and outside framework oil seal can effectively prevent oil from leaking.
Further, described two rotor chambers share an oil pump cover, and also install locating stud between oil pump cover and oil pump body.
This structure is conducive to manufacturing, and assembling is simple, and reduce requirement on machining accuracy, cost is lower, and oil pump cover location is more accurate.
Compared with prior art, the beneficial effects of the utility model are: utilize two rotor chambers respectively to parts fuel feeding different in motor, thus improve the Pulse of flow and pressure of oil pump, reduce noise; And it is simple to have structure, requirement on machining accuracy is not high, is easy to the advantage of assembling, has vast potential for future development.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is further described.
As shown in Figure 1, a kind of rotor oil pump, comprise oil pump body 1, oil pump cover 2, first oil pump shaft 3 and the second oil pump shaft 4, the first rotor room 5 and the second rotor chamber 6 is offered side by side in one end of oil pump body 1, the first rotor room 5 and the second rotor chamber 6 port install oil pump cover 2, the first corresponding the first rotor room 5 of oil pump shaft 3 is assembled, corresponding second rotor chamber 6 of second oil pump shaft 4 assembles, in the first rotor room 5 and the second rotor chamber 6, internal rotor and external rotor are all set, the other side of the first oil pump shaft 3 oil pump cover 2 relative to the second oil pump shaft 4 is connected by gear 7, and the second oil pump shaft 4 is also provided with driving gear 8, driving gear 8 is connected with the speed reducer of outside transferring power, thus drive the second oil pump shaft 4 and the first oil pump shaft 3.
In order to prevent oil leakage, the other end of relative oil pump cover 2 on oil pump body 1, mounting framework oil sealing 9 between the first oil pump shaft 3 and oil pump body 1.
In order to ensure oil pump cover 2 accurate positioning, between oil pump cover 2 and oil pump body 1, locating stud 10 is also installed.
During the work of this oil pump, driving gear 8 accepts external impetus and drives the second oil pump shaft 4 to rotate, second oil pump shaft 4 drives the first oil pump shaft 3 to rotate by gear 7, and 5 pairs, the first rotor room engine crankshaft bearing shell fuel feeding, the second rotor chamber 6 carries out lubrication oil supply to other parts.The mode of this fuel feeding respectively effectively improves the Pulse of flow and pressure of oil pump, reduces oil pump flow noise.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a rotor oil pump, comprise oil pump body, oil pump cover and oil pump shaft, it is characterized in that: described oil pump body is offered two rotor chambers, rotor chamber port installs oil pump cover, is provided with internal rotor and external rotor, and is assemblied on corresponding oil pump shaft in each rotor chamber, two oil pump shafts are connected by gear, and driving gear installed by one of them oil pump shaft, on oil pump body, the other end of relative oil pump cover, does not install mounting framework oil sealing between the oil pump shaft of driving gear and oil pump body.
2. rotor oil pump according to claim 1, is characterized in that: described two rotor chambers are disposed side by side on oil pump body side.
3. rotor oil pump according to claim 2, is characterized in that: described two oil pump shafts are connected by gear in the other side of relative oil pump cover.
4. the rotor oil pump according to any one of claims 1 to 3, is characterized in that: described two rotor chambers share an oil pump cover, and also install locating stud between oil pump cover and oil pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127096.3U CN204312978U (en) | 2014-03-20 | 2014-03-20 | Rotor oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127096.3U CN204312978U (en) | 2014-03-20 | 2014-03-20 | Rotor oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312978U true CN204312978U (en) | 2015-05-06 |
Family
ID=53135294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420127096.3U Expired - Lifetime CN204312978U (en) | 2014-03-20 | 2014-03-20 | Rotor oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240673A (en) * | 2015-11-04 | 2016-01-13 | 湖南机油泵股份有限公司 | Rotor type double-stage oil pump |
-
2014
- 2014-03-20 CN CN201420127096.3U patent/CN204312978U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240673A (en) * | 2015-11-04 | 2016-01-13 | 湖南机油泵股份有限公司 | Rotor type double-stage oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 643000 Zigong high tech Industrial Park, Sichuan, Rong Chuan Road, No. 9 Patentee after: ZIGONG CHUANLI TECHNOLOGY Co.,Ltd. Address before: 643000 Zigong high tech Industrial Park, Sichuan, Rong Chuan Road, No. 9 Patentee before: ZIGONG CHUANLI INDUSTRY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20150506 |
|
| CX01 | Expiry of patent term |