CN105697969A - Self-lubrication anti-overload internal combustion engine oil pump - Google Patents
Self-lubrication anti-overload internal combustion engine oil pump Download PDFInfo
- Publication number
- CN105697969A CN105697969A CN201410680888.8A CN201410680888A CN105697969A CN 105697969 A CN105697969 A CN 105697969A CN 201410680888 A CN201410680888 A CN 201410680888A CN 105697969 A CN105697969 A CN 105697969A
- Authority
- CN
- China
- Prior art keywords
- oil
- hole
- driving shaft
- pump
- combustion engine
- 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
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
- Epoxy Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to design improvement of internal combustion engine oil pumps, and particularly relates to a self-lubrication anti-overload internal combustion engine oil pump. The self-lubrication anti-overload internal combustion engine oil pump has a basic structure of the conventional internal combustion engine oil pump. The self-lubrication anti-overload internal combustion engine oil pump includes a pump body, a driving shaft, a driven shaft, a driving gear, a driven gear, a transmission gear, a pump cover and a pressure-limiting valve. The self-lubrication anti-overload internal combustion engine oil pump is characterized in that: a line of centers of a driving shaft hole and the driven shaft hole in the pump body is provided with an oil transmission hole which communicates with the driving shaft hole and the driven shaft hole and has the diameter of 4 mm; a position on a symmetrical centerline on the top of an oil drainage cavity, 3 mm far away from the line of the centers of the driving shaft hole and the driven shaft hole, is provided with an oil drainage hole with the diameter of 5 mm; the oil drainage hole and the oil transmission hole communicate vertically; central positions of matching positions of the driving shaft and the driven shaft with the pump body are provided with an oil storage tank each, wherein the width of the oil storage tanks is 10 mm, and the depth of the oil storage tanks is 1.5 mm; and the oil transmission hole communicates with the oil storage tanks in the driving shaft and the driven shaft. Compared with the conventional internal combustion engine oil pump, the self-lubrication anti-overload internal combustion engine oil pump is little in noise, is stable in operation, and is long in service lift prolonged by 15%.
Description
1, technical field:
The present invention relates to the design of engine oil pump of internal combustion engine to improve, be a kind of self-lubricating antioverloading engine oil pump of internal combustion engine。
2, background technology
Engine oil pump of internal combustion engine generally has a point gear pump (external tooth engagement) and two kinds of forms of impeller pump (internal tooth engagement), gear pump is commonly present two problems in the course of the work: one is that driving gear and driven gear produce machine oil airtight dead band during two teeth engagements in rotation process, because oil pump gear end clearance is too small, airtight dead band machine oil is not easily drained, thus causing moment to transship, cause the vibration of gear intermittence and noise；Two is because driving shaft and driven axle have relatively long support to coordinate with pump housing axis hole, adds that fit clearance is less, and excessively heated axle phenomenon often occurs because of insufficient lubrication between driving shaft and driven axle and the pump housing axis hole lubricating oil pump in high-speed rotation process。
3, summary of the invention
Present invention aim to solve current engine oil pump of internal combustion engine and in use produce the vibration of gear intermittence and the problem such as noise and excessively heated axle, it is provided that a kind of self-lubricating antioverloading engine oil pump of internal combustion engine。
The concrete scheme of the present invention is: improve for existing engine oil pump of internal combustion engine, it has the pump housing, oil leak hole it is provided with in the pump housing, oil transportation hole, mounting hole, oil outlet, actively axis hole and driving tooth wheel bore and passive axis hole and passive tooth wheel bore, active axis hole internal clearance at the pump housing is provided with driving shaft, driving shaft is provided with oil storage tank, in the interference of driving shaft upper end, travelling gear is installed, at driving tooth wheel bore internal clearance, driving gear is installed, and make driving gear interference be installed on driving shaft, passive axis hole internal clearance at the pump housing is provided with driven axle, driven axle is provided with oil storage tank, and at passive tooth wheel bore internal clearance, driven gear is installed, and make driven gear interference be installed on driven axle, in pump housing bottom, pump cover is installed, and make driving shaft and driven axle gap be installed in two axis holes corresponding on pump cover, pump cover is provided with pressure limiting valve and fuel feed hole, and a rivet is installed in interference on the oil transportation hole on the right side of the passive axis hole of the pump housing。It is characterized in that: on the described pump housing, active axis hole and passive axis hole line of centres are provided with the oil transportation hole of the diameter 4 millimeters that communicates with them, oil-discharging cavity top symmetrical center line is provided with the oil leak hole of diameter 5 millimeters from active axis hole and 3 millimeters of places of passive axis hole line of centres, oil leak hole is vertical with oil transportation hole to communicate, the middle part of driving shaft and driven axle and pump housing matching part be respectively equipped with wide be 10 millimeters, be the oil storage tank of 1.5 millimeters deeply, oil transportation hole communicates with the oil storage tank on driving shaft and driven axle。
The operation principle of the present invention is: the oil leak hole on the pump housing engages the high-pressure oil closing dead band and communicates with gear, by oil transportation hole, high-pressure oil is respectively delivered in the oil storage tank on driving shaft and driven axle, ensure that driving shaft and driven axle obtain sufficient lubrication, solve again simultaneously gear engagement close dead band high-pressure oil can not the intermittent vibration that causes of smooth and easy excretion and noise problem。
The present invention, compared with existing engine oil pump of internal combustion engine, has that noise is little, working stability, service life improve the feature such as 15%。
4, Figure of description:
Fig. 1 lubricating oil pump master (cuing open) view
Fig. 2 pump housing master (cuing open) view
Fig. 3 pump housing upward view
In figure, 1 travelling gear, 2 driving shafts, 3 oil storage tanks, 4 pump housings, 5 driving gears, 6 pump covers, 7 pressure limiting valves, 8 driven axles, 9 driven gears, 10 oil leak hole, 11 rivets, 12 oil storage tanks, 13 oil transportation holes, 14 mounting holes, 15 active axis hole, 16 driving tooth wheel bore, 17 passive tooth wheel bore, 18 passive axis holes, 19 oil-discharging cavities, 20 oil outlets。
Specific embodiments: the present invention has the basic structure of engine oil pump of internal combustion engine, it has the pump housing 4, oil leak hole 10 it is provided with in the pump housing 4, oil transportation hole 13, two mounting holes 14, oil outlet 20, actively axis hole 15 and driving tooth wheel bore 16 and passive axis hole 18 and passive tooth wheel bore 17, active axis hole 15 internal clearance at the pump housing 4 is provided with driving shaft 2, driving shaft 2 is provided with oil storage tank 3, in driving shaft 2 upper end interference, travelling gear 1 is installed, at driving tooth wheel bore 16 internal clearance, driving gear 5 is installed, and make driving gear 5 interference be installed on driving shaft 2, passive axis hole 18 internal clearance at the pump housing 4 is provided with driven axle 8, driven axle 8 is provided with oil storage tank 12, and at passive tooth wheel bore 17 internal clearance, driven gear 9 is installed, and make driven gear 9 interference be installed on driven axle 8, in the pump housing 4 bottom, pump cover 6 is installed, and make driving shaft 2 and driven axle 8 gap be installed in two axis holes corresponding on pump cover 6, pump cover 6 is provided with pressure limiting valve 7 and fuel feed hole, and a rivet 11 is installed in interference on the oil transportation hole 13 on the right side of the passive axis hole 17 of the pump housing 4。Particularly: on the described pump housing 4, active axis hole 15 and passive axis hole 18 line of centres are provided with the oil transportation hole 13 of the diameter 4 millimeters that communicates with them, oil-discharging cavity 19 top symmetrical center line is provided with the oil leak hole 10 of diameter 5 millimeters from active axis hole 15 and 3 millimeters of places of passive axis hole 18 line of centres, oil leak hole 10 is vertical with oil transportation hole 13 to communicate, driving shaft 2 and driven axle 8 and the middle part of the pump housing 4 matching part be respectively equipped with wide be 10 millimeters, be oil storage tank 3 and the oil storage tank 12 of 1.5 millimeters deeply, oil transportation hole 13 communicates with the oil storage tank on driving shaft 2 and driven axle 8。
Claims (1)
1. a self-lubricating antioverloading engine oil pump of internal combustion engine, it has the pump housing, oil leak hole it is provided with in the pump housing, oil transportation hole, actively axis hole and driving tooth wheel bore and passive axis hole and passive tooth wheel bore, active axis hole internal clearance at the pump housing is provided with driving shaft, driving shaft is provided with oil storage tank, in the interference of driving shaft upper end, travelling gear is installed, at driving tooth wheel bore internal clearance, driving gear is installed, and make driving gear interference be installed on driving shaft, at the pump housing passive axis hole internal clearance, driven axle is installed, driven axle is provided with oil storage tank, and at passive tooth wheel bore internal clearance, driven gear is installed, and make driven gear interference be installed on driven axle, in pump housing bottom, pump cover is installed, and make driving shaft and driven axle gap be installed in two axis holes corresponding on pump cover, pump cover is provided with pressure limiting valve and fuel feed hole, and a rivet is installed in interference on the oil transportation hole on the right side of the passive axis hole of the pump housing, it is characterized in that: on the described pump housing, active axis hole and passive axis hole line of centres are provided with the oil transportation hole of the diameter 4 millimeters that communicates with them, oil-discharging cavity top symmetrical center line is provided with the oil leak hole of diameter 5 millimeters from active axis hole and 3 millimeters of places of passive axis hole line of centres, oil leak hole is vertical with oil transportation hole to communicate, it is 10 millimeters that the middle part of driving shaft and driven axle and pump housing matching part is respectively equipped with wide, it is the oil storage tank of 1.5 millimeters deeply, oil transportation hole communicates with the oil storage tank on driving shaft and driven axle。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680888.8A CN105697969A (en) | 2014-11-25 | 2014-11-25 | Self-lubrication anti-overload internal combustion engine oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680888.8A CN105697969A (en) | 2014-11-25 | 2014-11-25 | Self-lubrication anti-overload internal combustion engine oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105697969A true CN105697969A (en) | 2016-06-22 |
Family
ID=56941222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410680888.8A Pending CN105697969A (en) | 2014-11-25 | 2014-11-25 | Self-lubrication anti-overload internal combustion engine oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105697969A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191772A (en) * | 2017-06-02 | 2017-09-22 | 中国北方发动机研究所(天津) | A kind of vertical pivot arranges fuel pump structure |
-
2014
- 2014-11-25 CN CN201410680888.8A patent/CN105697969A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191772A (en) * | 2017-06-02 | 2017-09-22 | 中国北方发动机研究所(天津) | A kind of vertical pivot arranges fuel pump structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202392418U (en) | Rotor type short shaft sleeve oil pump provided with circulating lubrication oil groove | |
| CN203836126U (en) | Gear | |
| CN105697969A (en) | Self-lubrication anti-overload internal combustion engine oil pump | |
| CN203363617U (en) | Oil pump | |
| CN102606255A (en) | Oil pump driving system for diesel engine | |
| CN201386896Y (en) | Forced-lubrication oil pump of perforation double drive axle | |
| CN102392711B (en) | Engine balance shaft oil pressure releasing structure | |
| CN202746562U (en) | Axial oil inlet structure of gearbox | |
| CN205618374U (en) | Deep water hydraulic drive water pump | |
| CN104482385A (en) | Engine oil pump of internal combustion engine | |
| CN201891601U (en) | Internal meshing gear oil pump | |
| CN105387324A (en) | Oil supply device | |
| CN201739484U (en) | Lubricating system for gearbox of engineering vehicle | |
| CN204664834U (en) | A kind of oil pump | |
| CN203532125U (en) | Smooth-oil-passing oil injection pump cylinder body | |
| CN204284884U (en) | Engine oil pump assembly | |
| CN205372032U (en) | Lubricating oil pump assembly | |
| CN201982945U (en) | Oil pump assembly | |
| CN204127626U (en) | Oil pump cover | |
| CN202228346U (en) | High-viscosity fluid transmission pump | |
| CN203297911U (en) | Novel oil pump of diesel engine | |
| CN203146785U (en) | Gearbox gear shaft end bearing lubricating device | |
| CN203453050U (en) | Automatic transmission oil pump for vehicle | |
| CN201318275Y (en) | Lubrication device of electric diaphragm pump | |
| CN211737951U (en) | Vehicle transmission case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160622 |
|
| WD01 | Invention patent application deemed withdrawn after publication |