CN202220633U - Gear transmission rotor oil pump connected with an end cover of an engine - Google Patents
Gear transmission rotor oil pump connected with an end cover of an engine Download PDFInfo
- Publication number
- CN202220633U CN202220633U CN2011202600825U CN201120260082U CN202220633U CN 202220633 U CN202220633 U CN 202220633U CN 2011202600825 U CN2011202600825 U CN 2011202600825U CN 201120260082 U CN201120260082 U CN 201120260082U CN 202220633 U CN202220633 U CN 202220633U
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- Prior art keywords
- rotor
- transmission shaft
- pump
- pump housing
- hole
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- Expired - Fee Related
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Abstract
A gear transmission rotor oil pump connected with an end cover of an engine comprises a pump end cover, a pump cover, an outer rotor, an inner rotor, a transmission axle and a transmission gear. A rotor hole and a transmission axle mounting hole are arranged on the right side of the end cover of the pump and on the same axle. A small oil hole leading to the transmission axle mounting hole is arranged in an oil inlet cavity of the end cover of the pump and an oil guide groove leading from the transmission axle mounting hole to an oil outlet cavity is arranged on the bottom of the rotor hole of the pump end cover. The transmission axle is mounted in the transmission axle mounting hole and in sliding fit with the transmission axle mounting hole. The inner rotor is mounted on the transmission axle and in close fit with the transmission axle, the outer rotor is sleeved with the inner rotor, the outer rotor and the inner rotor are arranged in the rotor hole on the pump end cover. The pump cover covers the rotor hole of the pump end cover and mounted on the pump end cover by a screw. The transmission gear is mounted on the transmission axle outside the pump cover and in close fit with the transmission axle.
Description
Technical field
The utility model relates to the engine lubrication system technical field, particularly a kind of gear transmission rotor engine oil pump that is connected as a single entity with end cover of engine.
Background technique
Along with the continuous development of engine technology, increasingly high to the technical requirements of the rotor engine oil pump of engine lubrication system.For example, manufacture level and reduction motor manufacture cost for further improving motor need a kind of design in front cover one side of motor diversification combination, with Engine Matching and by gear-driven rotor engine oil pump.In addition; In order to require oil pump is that motor provides under various operating conditions that oil pressure is stable, flow abundant, the lubricating oil of reliable working performance, to the oil pump of Engine Matching installation dimension, three dimensional space, engine lubrication system certain rotating speed down the technical parameters such as oil flow rate, pressure and pressure limiting valve opening pressure of needs new requirement has all been proposed.
Summary of the invention
The purpose of the utility model is for this type of motor a kind of gear transmission rotor engine oil pump that is connected as a single entity with end cover of engine to be provided.
The technological scheme of the utility model is: a kind of gear transmission rotor engine oil pump that is connected as a single entity with end cover of engine, it comprises pump housing end cap, pump cover, external rotor, internal rotor, transmission shaft and driving gear.Described pump housing end cap is that the end cover of engine and the oil pump pump housing are connected as a single entity, and one side is provided with rotor hole and transmission shaft mounting hole on pump housing end cap the right, and rotor hole and transmission shaft mounting hole are on the same axis.In the oil suction chamber of pump housing end cap, be provided with little oilhole, guarantee the good lubrication of transmission shaft towards the transmission shaft mounting hole.In the bottom surface of pump housing end cap rotor hole, be provided with the oil guide slot of leading to oil pocket from the transmission shaft mounting hole, the interior lubricant oil of entering transmission shaft mounting hole can be discharged smoothly.Transmission shaft is installed in the transmission shaft mounting hole, with cooperating for movingly of transmission shaft mounting hole.Internal rotor is installed on the transmission shaft, and internal rotor is a drive fit with cooperating of transmission shaft, and external rotor is sleeved on the internal rotor, and external rotor and internal rotor are with being in the rotor hole on the pump housing end cap.Pump cover covers on the rotor hole of pump housing end cap, and is installed on the pump housing end cap through screw, and after pump cover was installed on the pump housing end cap, the external rotor and the internal rotor that are installed in the pump housing end cap rotor hole rotated flexible.Driving gear is installed on the outer transmission shaft of pump cover, and driving gear is a drive fit with cooperating of transmission shaft.
The pump housing and the end cover of engine of the gear transmission rotor engine oil pump that the utility model provides are connected as a single entity; Be arranged on the right one side of end cover of engine; Opposite side has been oppositely arranged the basal plane that miscellaneous part is installed; The centre is provided with the parts through a kind of polynary combination of the spindle hole of driving gear drive oil pump work, guarantees the multi-factor structure that oil pump and end cover of engine and miscellaneous part installation base surface are integrated like this, has reached the purpose of practicing thrift cost; Simultaneously, eliminated the defective of end face leakage of oil.
The further technological scheme of the utility model is: oil pressure is stable, flow is abundant in order to provide under various operating conditions for motor, the lubricating oil of reliable working performance; When the oil pump rotating speed is 1000r/min; When outlet pressure is 0.3MPa, flow >=11L/min; When rotating speed is 2667r/min, when outlet pressure is 0.4MPa, flow >=34L/min; When rotating speed is 533r/min, when outlet pressure is 0.4MPa, flow >=60L/min; When rotating speed was 2667r/min, the oil pump pressure limiting valve opening pressure was 0.47 ± 0.04MPa.
The utility model compared with prior art has following characteristics:
Owing to adopt the polynary composite structure of the set relatively installation base surface of oil pump and end cover of engine and miscellaneous part; Can further promote the technical merit that engine part is supporting and make; Improve the whole technology content of part; For motor assembling and integrally-built advance are laid a solid foundation, the reduction manufacture cost.
Further describe below in conjunction with accompanying drawing and embodiment detailed structure the utility model.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model;
Accompanying drawing 2 is the A-A sectional view in the accompanying drawing 1.
Embodiment
A kind of gear transmission rotor engine oil pump that is connected as a single entity with end cover of engine, its bag pump housing end cap 1, pump cover 2, external rotor 3, internal rotor 4, transmission shaft 5 and driving gear 6.Described pump housing end cap 1 is that the end cover of engine and the oil pump pump housing are connected as a single entity, and one side is provided with rotor hole 1-3 and transmission shaft mounting hole 1-4 on pump housing end cap 1 the right, and rotor hole 1-3 and transmission shaft mounting hole 1-4 are on the same axis.In the oil suction chamber of pump housing end cap 1, be provided with little oilhole 1-2, guarantee the good lubrication of transmission shaft 5 towards transmission shaft mounting hole 1-4.In the bottom surface of pump housing end cap 1 rotor hole 1-3, be provided with the oil guide slot 1-1 that leads to oil pocket from transmission shaft mounting hole 1-4, the interior lubricant oil of entering transmission shaft mounting hole 1-4 can be discharged smoothly.Transmission shaft 5 is installed in the transmission shaft mounting hole 1-4, with cooperating for movingly of transmission shaft mounting hole 1-4.Internal rotor 4 is installed on the transmission shaft 5, and internal rotor 4 is a drive fit with cooperating of transmission shaft 5, and external rotor 3 is sleeved on the internal rotor 4, and external rotor 3 is in the rotor hole 1-3 on the pump housing end cap 1 together with internal rotor 4.Pump cover 2 covers on the rotor hole 1-3 of pump housing end cap 1, and is installed on the pump housing end cap 1 through screw, and after pump cover 2 was installed on the pump housing end cap 1, the external rotor 3 that is installed in the pump housing end cap 1 rotor hole 1-3 rotated flexible with internal rotor 4.Driving gear 6 is installed on the transmission shaft 5 outside the pump cover 2, and driving gear 6 is a drive fit with cooperating of transmission shaft 5.
The further technological scheme of present embodiment is; Oil pressure is stable, flow is abundant in order to provide under various operating conditions for motor, the lubricating oil of reliable working performance; When the oil pump rotating speed is 1000r/min, when outlet pressure is 0.3MPa, flow >=11L/min; When rotating speed is 2667r/min, when outlet pressure is 0.4MPa, flow >=34l/min; When rotating speed is 533r/min, when outlet pressure is 0.4MPa, flow >=60L/min; When rotating speed was 2667r/min, the oil pump pressure limiting valve opening pressure was 0.47 ± 0.04MPa.
Claims (1)
1. a gear transmission rotor engine oil pump that is connected as a single entity with end cover of engine is characterized in that: its bag pump housing end cap, pump cover, external rotor, internal rotor, transmission shaft and driving gear; Described pump housing end cap is that the end cover of engine and the oil pump pump housing are connected as a single entity, and one side is provided with rotor hole and transmission shaft mounting hole on pump housing end cap the right, and rotor hole and transmission shaft mounting hole are on the same axis; In the oil suction chamber of pump housing end cap, be provided with little oilhole, guarantee the good lubrication of transmission shaft towards the transmission shaft mounting hole; In the bottom surface of pump housing end cover body rotor hole, be provided with the oil guide slot of leading to oil pocket from the transmission shaft mounting hole, the interior lubricant oil of entering transmission shaft mounting hole can be discharged smoothly; Transmission shaft is installed in the transmission shaft mounting hole, with cooperating for movingly of transmission shaft mounting hole; Internal rotor is installed on the transmission shaft, and internal rotor is a drive fit with cooperating of transmission shaft, and external rotor is sleeved on the internal rotor, and external rotor and internal rotor are with being in the rotor hole on the pump housing end cap; Pump cover covers on the rotor hole of pump housing end cap, and is installed on the pump housing end cap through screw, and after pump cover was installed on the pump housing end cap, the external rotor and the internal rotor that are installed in the pump housing end cap rotor hole rotated flexible; Driving gear is installed on the outer transmission shaft of pump cover, and driving gear is a drive fit with cooperating of transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202600825U CN202220633U (en) | 2011-07-22 | 2011-07-22 | Gear transmission rotor oil pump connected with an end cover of an engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202600825U CN202220633U (en) | 2011-07-22 | 2011-07-22 | Gear transmission rotor oil pump connected with an end cover of an engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202220633U true CN202220633U (en) | 2012-05-16 |
Family
ID=46042660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202600825U Expired - Fee Related CN202220633U (en) | 2011-07-22 | 2011-07-22 | Gear transmission rotor oil pump connected with an end cover of an engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202220633U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979779A (en) * | 2018-08-14 | 2018-12-11 | 力帆实业(集团)股份有限公司 | A kind of engine lubrication oil circulating system |
| CN110260140A (en) * | 2019-07-17 | 2019-09-20 | 湖南机油泵股份有限公司 | A kind of lubricating oil pump that the lubricating oil convenient for axis leaks |
| CN111946620A (en) * | 2020-08-26 | 2020-11-17 | 湖南机油泵股份有限公司 | Oil pump capable of avoiding leakage of gap of shaft hole of pump cover |
-
2011
- 2011-07-22 CN CN2011202600825U patent/CN202220633U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979779A (en) * | 2018-08-14 | 2018-12-11 | 力帆实业(集团)股份有限公司 | A kind of engine lubrication oil circulating system |
| CN108979779B (en) * | 2018-08-14 | 2020-10-30 | 力帆实业(集团)股份有限公司 | Engine lubricating oil circulation system |
| CN110260140A (en) * | 2019-07-17 | 2019-09-20 | 湖南机油泵股份有限公司 | A kind of lubricating oil pump that the lubricating oil convenient for axis leaks |
| CN110260140B (en) * | 2019-07-17 | 2024-07-05 | 湖南机油泵股份有限公司 | Lubricating oil pump convenient for shaft to leak |
| CN111946620A (en) * | 2020-08-26 | 2020-11-17 | 湖南机油泵股份有限公司 | Oil pump capable of avoiding leakage of gap of shaft hole of pump cover |
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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: 20120516 Termination date: 20170722 |