CN102777380A - Driving device for oil pump - Google Patents
Driving device for oil pump Download PDFInfo
- Publication number
- CN102777380A CN102777380A CN2012102531311A CN201210253131A CN102777380A CN 102777380 A CN102777380 A CN 102777380A CN 2012102531311 A CN2012102531311 A CN 2012102531311A CN 201210253131 A CN201210253131 A CN 201210253131A CN 102777380 A CN102777380 A CN 102777380A
- Authority
- CN
- China
- Prior art keywords
- oil pump
- driving device
- bent axle
- internal rotor
- rotor
- 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.)
- Pending
Links
Abstract
The invention discloses a driving device for an oil pump. The driving device comprises an inner rotor (1), a crankshaft (2), an outer rotor (3) and an oil pump volute (4). The driving device is characterized in that the inner rotor (1) of the oil pump is arranged on the crankshaft (2) through a positioning surface A and a positioning surface B, the outer rotor (3) is sleeved on the inner rotor (1) in an embedded manner, the oil pump volute (4) is positioned on the outermost side, the positioning surface A and the positioning surface B are used for stopping relative rotation of the crankshaft (2) and the inner rotor (1), the inner rotor (1) of the oil pump can be directly driven to rotate by the crankshaft (2) so that high-pressure oil is delivered, and the maximum fit clearance between a joint surface A and a joint surface B of the crankshaft (2) and the inner rotor (1) is 0.1mm, for example, the fit clearance can range from 0.03mm to 0.1mm. By the aid of the driving device, a transmission system can be simplified, transmission space is saved, a gear and a central shaft of the oil pump are omitted, the production cost of an engine is saved, and the driving device is simple to mount and high in working efficiency.
Description
Technical field
The invention belongs to technical field of internal combustion engines, is parts of internal-combustion engine, is specifically related to a kind of drive unit of oil pump.
Background technique
At present, the driving of engine oil pump of internal combustion engine is first through gear transmission mostly, again the driving machine oil pump.The transmission system more complicated, gear and gear engagement, assembling difficulty, inefficiency.
Summary of the invention
The present invention is exactly that existing I. C. engine oil pump drive is complicated through gear transmission, transmission system in order to solve, assembling difficulty, ineffective problem, purpose provides that a kind of transmission is simplified, assembling simply, the oil pump drive unit of high working efficiency.
Technological scheme of the present invention:
A kind of drive unit of oil pump comprises internal rotor, bent axle, external rotor, oil pump volute, and the oil pump internal rotor is arranged on the bent axle through locating face A and B, and the external rotor edge is enclosed within on the internal rotor, and outermost is the oil pump volute; Locating face A and B are in order to stop relatively rotating of bent axle and internal rotor, through directly driving machine oil pump internal rotor rotation of bent axle, to carry high-pressure oil; The maximum matching gap at bent axle and internal rotor junction plane A and B place is 0.1mm, like desirable 0.03～0.1mm.
Beneficial effect of the present invention:
Simplify transmission system, save the transmission space, save gear and oil pump central shaft, practice thrift the engine production cost.High working efficiency is installed simply.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Each mark of accompanying drawing is represented respectively.
The 1-internal rotor
The 2-bent axle
The 3-external rotor
4-oil pump volute.
Embodiment
A kind of drive unit of oil pump comprises internal rotor, bent axle, external rotor, oil pump volute, and the oil pump internal rotor is arranged on the bent axle through locating face A and B, and the external rotor edge is enclosed within on the internal rotor, and outermost is the oil pump volute; Locating face A and B are in order to stop relatively rotating of bent axle and internal rotor, through directly driving machine oil pump internal rotor rotation of bent axle, to carry high-pressure oil; The maximum matching gap at bent axle and internal rotor junction plane A and B place is 0.1mm, like desirable 0.03～0.1mm.
Claims (2)
1. the drive unit of an oil pump; Comprise internal rotor (1), bent axle (2), external rotor (3), oil pump volute (4); It is characterized in that; Oil pump internal rotor (1) is arranged on the bent axle (2) through locating face A and B, and external rotor (3) edge is enclosed within on the internal rotor (1), and outermost is oil pump volute (4); Locating face A and B are in order to stop relatively rotating of bent axle (2) and internal rotor (1), through directly driving machine oil pump internal rotor (1) rotation of bent axle (2), to carry high-pressure oil; Bent axle (2) is 0.1mm with the maximum matching gap at internal rotor (1) junction plane A and B place.
2. the drive unit of oil pump according to claim 1 is characterized in that, bent axle (2) is 0.03～0.1mm with the matching gap at internal rotor (1) junction plane A and B place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102531311A CN102777380A (en) | 2012-07-23 | 2012-07-23 | Driving device for oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102531311A CN102777380A (en) | 2012-07-23 | 2012-07-23 | Driving device for oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102777380A true CN102777380A (en) | 2012-11-14 |
Family
ID=47122431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102531311A Pending CN102777380A (en) | 2012-07-23 | 2012-07-23 | Driving device for oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102777380A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256093A (en) * | 2013-04-28 | 2013-08-21 | 重庆小康工业集团股份有限公司 | Combustion engine lubricating system |
| CN106764372A (en) * | 2016-12-05 | 2017-05-31 | 安徽航瑞航空动力装备有限公司 | A kind of aero-engine fuel pump structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61223281A (en) * | 1985-03-26 | 1986-10-03 | Honda Motor Co Ltd | Oil pump device |
| CN1114713A (en) * | 1994-02-28 | 1996-01-10 | 株式会社优尼希雅杰克斯 | Built-in oil pump |
| US6089843A (en) * | 1997-10-03 | 2000-07-18 | Sumitomo Electric Industries, Ltd. | Sliding member and oil pump |
| CN2487873Y (en) * | 2001-06-18 | 2002-04-24 | 常柴股份有限公司 | Machine oil pump directly jointed with crankshaft |
| CN102434455A (en) * | 2011-12-31 | 2012-05-02 | 张洪领 | Cycloidal rotor pump |
-
2012
- 2012-07-23 CN CN2012102531311A patent/CN102777380A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61223281A (en) * | 1985-03-26 | 1986-10-03 | Honda Motor Co Ltd | Oil pump device |
| CN1114713A (en) * | 1994-02-28 | 1996-01-10 | 株式会社优尼希雅杰克斯 | Built-in oil pump |
| US6089843A (en) * | 1997-10-03 | 2000-07-18 | Sumitomo Electric Industries, Ltd. | Sliding member and oil pump |
| CN2487873Y (en) * | 2001-06-18 | 2002-04-24 | 常柴股份有限公司 | Machine oil pump directly jointed with crankshaft |
| CN102434455A (en) * | 2011-12-31 | 2012-05-02 | 张洪领 | Cycloidal rotor pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256093A (en) * | 2013-04-28 | 2013-08-21 | 重庆小康工业集团股份有限公司 | Combustion engine lubricating system |
| CN106764372A (en) * | 2016-12-05 | 2017-05-31 | 安徽航瑞航空动力装备有限公司 | A kind of aero-engine fuel pump structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121114 |