CN202501178U - Lubricating oil pump - Google Patents
Lubricating oil pump Download PDFInfo
- Publication number
- CN202501178U CN202501178U CN2012200640663U CN201220064066U CN202501178U CN 202501178 U CN202501178 U CN 202501178U CN 2012200640663 U CN2012200640663 U CN 2012200640663U CN 201220064066 U CN201220064066 U CN 201220064066U CN 202501178 U CN202501178 U CN 202501178U
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- communicated
- pump housing
- low pressure
- 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 - Fee Related
Links
- 239000010687 lubricating oil Substances 0.000 title abstract 3
- 239000003921 oil Substances 0.000 claims abstract description 149
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010721 machine oil Substances 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000010705 motor oil Substances 0.000 description 11
- 239000000314 lubricant Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000002596 correlated effect Effects 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Disclosed is a lubricating oil pump, comprising a pump body and a pump cover cooperating with the pump body, wherein the pump body is internally provided with a stator and a rotor, with the rotor being driven by a sprocket wheel; the pump body is provided with an oil inlet and an oil outlet; the pump cover is provided with an oil inlet channel communicated with an oil inlet and an oil outlet channel communicated with an oil outlet; two sides of the rotor inside the pump body are provided with a high pressure oil chamber and a low pressure oil chamber; the pump cover is also correspondingly provided with a high pressure oil chamber and a lower pressure oil chamber; the oil inlet and the low pressure oil chamber are communicated while the oil outlet and the high pressure oil chamber are communicated; and the oil outlet channel is communicated with the main oil channel of an engine. The lubricating oil pump features reasonable structure, high transmission efficiency, and timely and accurate control over pressure, and is capable of efficiently raising the fuel economy and operation reliability of an engine.
Description
Technical field
The utility model relates to engine art, is specifically related to a kind of oil pump.
Background technique
Oil pump is the vital part in the engine lubrication system, and its main effect provides power, guarantees that lubricant oil circulates in lubricating system, and under any rotating speed of motor, can both carry the lubricant oil of sufficient amount with suitable pressure to the lubricant housings.
At present, there is following defective in the oil pump of rotor structure form in the working procedure: the one,, the pressure loss is big, and transmission efficiency is low; The 2nd,, oil pump adopts the single valve structure usually, can not in time adjust the controller oil pressure, can not effectively improve the fuel economy and the reliability of motor.
The model utility content
The purpose of the utility model is to overcome the deficiency of existing technology, provides a kind of rational in infrastructure, and transmission efficiency is high, and pressure control promptly and accurately improves the oil pump of engine fuel Economy.
To achieve these goals, the technological scheme of the utility model employing is:
Said oil pump comprises the pump housing and the pump cover that cooperates with the said pump housing, in the said pump housing, is provided with stator and rotor, and rotor is by chain wheel drive; On the pump housing, be provided with filler opening and oil outlet, on said pump cover, be provided with oil-feed oil circuit that is communicated with filler opening and the fuel-displaced oil circuit that is communicated with oil outlet; Be provided with high-voltage oil cavity and low pressure oil pocket in the both sides of said pump housing internal rotor, on said pump cover, be provided with corresponding high-voltage oil cavity and low pressure oil pocket; Said filler opening is communicated with said low pressure oil pocket, and said oil outlet is communicated with said high-voltage oil cavity, and fuel-displaced oil duct is communicated with the motor main oil gallery.
On said pump cover, be provided with the safety valve that makes high-voltage oil cavity and low pressure oil pocket be in perforation or cut-off state; On the pump housing, be provided with the feedback oilhole of motor main oil gallery, on the said pump housing, be provided with the pressure regulator valve that makes high-voltage oil cavity and low pressure oil pocket be in perforation or cut-off state.
Said safety valve constitutes by steel ball and with the contacted spring of steel ball one side, and the opposite side of steel ball contacts with the machine oil of said oil-feed oil circuit; Said pressure regulator valve reaches the plunger that joins with pressure regulator valve spring one side by the pressure regulator valve spring and constitutes, and said plunger contacts with the machine oil of main oil gallery.
On the high-voltage oil cavity of the said pump housing, establish the draining hole, this aperture, draining hole is over against the engine chain that drives said sprocket rotation.
The technological scheme that the utility model adopts compared with prior art, has the following advantages:
At first, said oil pump adopts the rotor pump form, and into and out of oil, lubricant oil flows unobstructed, can reduce the pressure loss through two low pressure oil pockets and high-voltage oil cavity, and efficient is high, and compact structure;
Secondly, the reasonable Arrangement safety valve is avoided in the engine cold-start process, when engine oil pressure is higher, influences the reliability of correlated parts, has improved the job security of motor;
Once more, the reasonable Arrangement pressure regulator valve makes the main oil gallery pressure control promptly and accurately, reaches the purpose of timely adjusting engine oil pressure, reduces power loss, improves the engine fuel Economy;
At last, arrange the draining hole cleverly, be the lubricated service of chain, ensured the reliability of engine operation in the oil pump zone of high pressure.
Description of drawings
Face the content of each width of cloth accompanying drawing expression of the utility model specification and the mark among the figure down and make brief description:
Fig. 1 is the structural representation of the utility model oil pump pump housing;
Fig. 2 is the structural representation of the utility model engine oil pump cover;
Mark among the above-mentioned figure is:
1, the pump housing, 2, pump cover, 3, filler opening, 4, oil outlet, 5, high-voltage oil cavity, 6, the low pressure oil pocket, 7, sprocket wheel, 8, the feedback oilhole, 9, the draining hole, 10, high-voltage oil cavity, 11, the low pressure oil pocket, 12, steel ball, 13, spring, 14, plunger, 15, safety valve spring.
Embodiment
Contrast accompanying drawing below,, the embodiment of the utility model is done further detailed explanation through description to optimum embodiment.
Like Fig. 1 and shown in Figure 2, said oil pump comprises the pump housing 1 and the pump cover 2 that cooperates with the pump housing 1, in the pump housing 1, is provided with stator and rotor, and rotor is driven by sprocket wheel 7; On the pump housing 1, be provided with filler opening 3 and oil outlet 4, on pump cover 2, be provided with oil-feed oil circuit that is communicated with filler opening 3 and the fuel-displaced oil circuit that is communicated with oil outlet 4; Be provided with high-voltage oil cavity 5 and low pressure oil pocket 6 in the both sides of the pump housing 1 internal rotor, on pump cover 2, be provided with corresponding high-voltage oil cavity 10 and low pressure oil pocket 11, make the rotor both sides into and out of oil, lubricant oil flows unobstructed, reduces the pressure loss; Filler opening 3 is communicated with low pressure oil pocket 6,11, and oil outlet 4 is communicated with high-voltage oil cavity 5,10, and fuel-displaced oil duct is communicated with the motor main oil gallery, and oil pump drives rotor rotation through sprocket wheel 7 under the driving of chain, power is provided.
On pump cover 2, be provided with the safety valve that makes high-voltage oil cavity 5,10 and low pressure oil pocket 6,11 be in perforation or cut-off state; Safety valve constitutes by steel ball 12 and with the contacted spring 13 of steel ball 12 1 sides, and the opposite side of steel ball 12 contacts with the machine oil of oil-feed oil circuit; With the engine oil pressure of the contacted steel ball 12 feedback high-voltage oil cavities 5,10 of the machine oil of oil-feed oil circuit, steel ball 12 is moved to the spring direction by high-voltage oil cavity 5,10 pressure effects; When engine oil pressure during greater than the safety threshold values; When steel ball 12 moves to certain position; High-voltage oil cavity 5,10 communicates with low pressure oil pocket 6,11, gets in the low pressure oil pocket 6,11 from high-voltage oil cavity 5, the 10 interior high pressure oils that flow out, and oil pump begins pressure release oil; Reduce pressure, thereby reach the purpose of protection oil pump and motor correlated parts.
Simultaneously; On the pump housing 1, be provided with the feedback oilhole 8 of motor main oil gallery; On the pump housing 1, be provided with the pressure regulator valve that makes high-voltage oil cavity 5,10 and low pressure oil pocket 6,11 be in perforation or cut-off state; Pressure regulator valve reaches the plunger 14 that joins with pressure regulator valve spring 15 1 sides by pressure regulator valve spring 15 and constitutes, and plunger 14 contacts with the machine oil of main oil gallery; The main oil gallery engine oil pressure promotes plunger 14 and moves to spring 15 directions; When the engine oil pressure on the main oil gallery during greater than the pressure regulation threshold values, plunger 14 moves to certain position, and high-voltage oil cavity 5,10 and low pressure oil pocket 6,11 are in breakthrough status; Oil pump begins pressure release oil; Reduce pressure, reach the purpose of regulating the main oil gallery engine oil pressure, reduce power loss; The pressure control of main oil gallery has promptly and accurately improved the fuel economy of motor.
On the high-voltage oil cavity 5 of the pump housing 1, establish draining hole 9, these 9 apertures, draining hole are over against driving the engine chain that sprocket wheel 7 rotates, and when engine operation, what can not stop is chain raising lubricant oil, the reliability of guarantee engine operation like this.
The working principle of said oil pump is: machine oil gets into low pressure oil pocket 6,11 from the filler opening 3 on the pump housing 1, and sprocket wheel 7 drives rotor rotation, and machine oil gets into high-voltage oil cavity 5,10 from low pressure oil pocket 6,11; Machine oil gets into fuel-displaced oil duct from high-voltage oil cavity 5,10 behind oil outlet 4, enter into the motor main oil gallery through fuel-displaced oil duct again, and then for each parts of motor required lubricant oil is provided; When the machine oil that flows out from high-voltage oil cavity 5,10 during greater than the safety threshold values, safety valve is opened, and machine oil flow back into low pressure oil pocket 6,11, can reach the purpose of protection oil pump and motor correlated parts; When main oil gallery inner engine oil pressure during greater than the pressure regulation threshold values, pressure regulator valve is opened, and oil pump high low pressure oil pocket is communicated with, and machine oil flow back into low pressure oil pocket 6,11, and engine oil pressure reduces; Because pressure regulator valve threshold values can regulate can make things convenient for the engine oil pressure of controlling timely in the main oil gallery, and then satisfies the lubrication needs of motor different situations, improve the engine fuel Economy; Owing on the high-voltage oil cavity 5 of the pump housing 1, establish draining hole 9, what this draining hole 9 can not stopped when engine operation lubricates for chain improves, and has ensured the reliability of engine operation simultaneously.
Above the utility model has been carried out exemplary description; Obviously the concrete realization of the utility model does not receive the restriction of aforesaid way; As long as adopted the method design of the utility model and the improvement of the various unsubstantialities that technological scheme is carried out; Or the design of the utility model and technological scheme are directly applied to other occasion without improving, all within the protection domain of the utility model.
Claims (4)
1. an oil pump comprises the pump housing (1) and the pump cover (2) that cooperates with the said pump housing (1), in the said pump housing (1), is provided with stator and rotor, and rotor is driven by sprocket wheel (7); On the pump housing (1), be provided with filler opening (3) and oil outlet (4), on said pump cover (2), be provided with oil-feed oil circuit that is communicated with filler opening (3) and the fuel-displaced oil circuit that is communicated with oil outlet (4); It is characterized in that: the both sides at the said pump housing (1) internal rotor are provided with high-voltage oil cavity and low pressure oil pocket, on said pump cover (2), are provided with corresponding high-voltage oil cavity and low pressure oil pocket; Said filler opening (3) is communicated with said low pressure oil pocket, and said oil outlet (4) is communicated with said high-voltage oil cavity, and fuel-displaced oil duct is communicated with the motor main oil gallery.
2. according to the described oil pump of claim 1, it is characterized in that: on said pump cover (2), be provided with the safety valve that makes high-voltage oil cavity and low pressure oil pocket be in perforation or cut-off state; On the pump housing (1), be provided with the feedback oilhole (8) of motor main oil gallery, on the said pump housing (1), be provided with the pressure regulator valve that makes high-voltage oil cavity and low pressure oil pocket be in perforation or cut-off state.
3. according to the described oil pump of claim 2, it is characterized in that: said safety valve constitutes by steel ball (12) and with the steel ball contacted springs of (12) one sides (13), and the opposite side of steel ball (12) contacts with the machine oil of said oil-feed oil circuit; Said pressure regulator valve reaches the plunger (14) that joins with pressure regulator valve spring (15) one sides by pressure regulator valve spring (15) and constitutes, and said plunger (14) contacts with the machine oil of main oil gallery.
4. according to claim 2 or 3 described oil pump, it is characterized in that: on the high-voltage oil cavity of the said pump housing (1), establish draining hole (9), this aperture, draining hole (9) is over against driving the engine chain that said sprocket wheel (7) rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200640663U CN202501178U (en) | 2012-02-24 | 2012-02-24 | Lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200640663U CN202501178U (en) | 2012-02-24 | 2012-02-24 | Lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202501178U true CN202501178U (en) | 2012-10-24 |
Family
ID=47037792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200640663U Expired - Fee Related CN202501178U (en) | 2012-02-24 | 2012-02-24 | Lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202501178U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353057A (en) * | 2013-07-15 | 2013-10-16 | 上海幸福摩托车有限公司 | Oil pump with variable discharge capacity |
| CN104343679A (en) * | 2013-07-30 | 2015-02-11 | 株式会社山田制作所 | Internal gear oil pump |
| CN106678526A (en) * | 2017-01-03 | 2017-05-17 | 湖南湘衡泵业有限责任公司 | Improved type oil pump |
| CN106764371A (en) * | 2016-11-29 | 2017-05-31 | 东风朝阳朝柴动力有限公司 | Can adjust automatically engine oil pressure rotor-type oil pump assembly |
| CN108561739A (en) * | 2018-07-03 | 2018-09-21 | 广西玉柴机器股份有限公司 | Half built-in compact lubricating oil pump |
| CN109854328A (en) * | 2019-04-08 | 2019-06-07 | 湖南机油泵股份有限公司 | The impeller pump pump housing of low-pressure end is arranged in a kind of feedback oilhole |
| CN109882613A (en) * | 2019-04-08 | 2019-06-14 | 湖南机油泵股份有限公司 | A kind of gear type oil pump for reducing oil liquid pressure fluctuation |
-
2012
- 2012-02-24 CN CN2012200640663U patent/CN202501178U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353057A (en) * | 2013-07-15 | 2013-10-16 | 上海幸福摩托车有限公司 | Oil pump with variable discharge capacity |
| CN104343679A (en) * | 2013-07-30 | 2015-02-11 | 株式会社山田制作所 | Internal gear oil pump |
| CN104343679B (en) * | 2013-07-30 | 2017-11-17 | 株式会社山田制作所 | Oil pump |
| CN106764371A (en) * | 2016-11-29 | 2017-05-31 | 东风朝阳朝柴动力有限公司 | Can adjust automatically engine oil pressure rotor-type oil pump assembly |
| CN106678526A (en) * | 2017-01-03 | 2017-05-17 | 湖南湘衡泵业有限责任公司 | Improved type oil pump |
| CN108561739A (en) * | 2018-07-03 | 2018-09-21 | 广西玉柴机器股份有限公司 | Half built-in compact lubricating oil pump |
| CN109854328A (en) * | 2019-04-08 | 2019-06-07 | 湖南机油泵股份有限公司 | The impeller pump pump housing of low-pressure end is arranged in a kind of feedback oilhole |
| CN109882613A (en) * | 2019-04-08 | 2019-06-14 | 湖南机油泵股份有限公司 | A kind of gear type oil pump for reducing oil liquid pressure fluctuation |
| CN109854328B (en) * | 2019-04-08 | 2024-04-02 | 湖南机油泵股份有限公司 | Rotor pump body with feedback oil hole arranged at low-pressure end |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202501178U (en) | Lubricating oil pump | |
| CN102146917B (en) | The exhaust structure of automatic transmission fluid pump | |
| CN105114145A (en) | Engine oil supply device | |
| CN203743802U (en) | Oil pump assembly | |
| CN102943831B (en) | Hydrodynamic retarder | |
| CN202392418U (en) | Rotor type short shaft sleeve oil pump provided with circulating lubrication oil groove | |
| CN202327606U (en) | Automotive engine oil pump | |
| CN102121561A (en) | Displacement-variable gear oil pump | |
| CN106764372A (en) | A kind of aero-engine fuel pump structure | |
| CN204647073U (en) | A kind of hydrodynamic retarder oil circulation system | |
| CN101629500A (en) | Device for adjusting oil pressure of engine | |
| CN102937234A (en) | Pressure valve used for idle lubrication of hydrodynamic machine | |
| CN103062612B (en) | Displacement-variable oil pump | |
| CN202946896U (en) | Pressure valve used for hydro-mechanical idling lubrication | |
| CN115654033A (en) | Mixed-action hydraulic control system | |
| CN203146051U (en) | Brake oil feeding structure in engine cylinder | |
| CN203384624U (en) | Variable-displacement oil pump | |
| CN203099277U (en) | Oil pump with changeable discharge capacity | |
| CN107725135B (en) | Stepless adjusting type variable displacement oil pump | |
| CN204026102U (en) | A kind of Oil sucking device and Lubricating-oil Station | |
| CN200955414Y (en) | Cylinder-cover oil-circuit structure of automobile engine | |
| CN204647468U (en) | A kind of for Hydraulic Machinery idle lubrication oil mass and pressure controlled safety valve | |
| CN204163949U (en) | Hydraulic transmission gear box oil-feeding control pump structure | |
| CN206176005U (en) | Variable oil pump of second grade and engine assembly who contains it | |
| CN201666194U (en) | VVT engine cylinder cover lubricating oil path |
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: 20121024 Termination date: 20160224 |