CN201574795U - Oil pressure regulating device of engine - Google Patents
Oil pressure regulating device of engine Download PDFInfo
- Publication number
- CN201574795U CN201574795U CN2009202934462U CN200920293446U CN201574795U CN 201574795 U CN201574795 U CN 201574795U CN 2009202934462 U CN2009202934462 U CN 2009202934462U CN 200920293446 U CN200920293446 U CN 200920293446U CN 201574795 U CN201574795 U CN 201574795U
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- Prior art keywords
- oil
- pressure
- valve core
- oil pump
- regulator
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- Expired - Fee Related
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- 230000001105 regulatory effect Effects 0.000 title abstract 8
- 239000003921 oil Substances 0.000 claims description 224
- 230000006837 decompression Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 239000010721 machine oil Substances 0.000 claims description 9
- 239000000446 fuel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
An oil pressure regulating device of an engine comprises a pressure regulating device shell (1) which is integrally cast with an oil pump shell, a pressure regulating valve core (2) and a pressure release valve core (3), wherein the pressure release valve core (3) is sleeved on the pressure regulating valve core (2), and the two valve cores are arranged on the pressure regulating device shell (1) together. The oil pressure regulating device is integrally cast with the oil pump shell, thereby saving the space and cost; the pressure regulating function is integrated with the pressure release function, thereby leading the oil pressure control to be more accurate, effectively reducing the power loss of the engine and ensuring the safe working of the oil pump simultaneously.
Description
Technical field
The utility model relates to a kind of device for adjusting oil pressure of engine, the valve class device of particularly a kind of integrated main oil gallery control oil pressure and oil pump draining.
Background technique
Motor in running, the machine oil in the motor main oil gallery can not be too high can not be too low, if control improperly, will influence Economy, the reliability of motor, even damage motor, thereby bring tremendous loss.
Traditional machine oil pressure regulation way has two types.A kind of is flow setting type formula oil pump, safety valve is installed in the oil pump outlet port, and by the switching of the direct control valve of oil pump outlet oil pressure, this pressure-regulating device is simple in structure, but it is extensive to work, when high oil pressure moves motor, bigger pulsation can occur, thereby consume too much engine power, and in the whole pressure regulation process, the machine oil of letting out to oil sump through safety valve impacts former organic oil, a large amount of bubbles be can produce, thereby cavitation erosion, Wear Friction pair in oil circuit, produced; Another kind is the switching of controlling pressure regulator valve by the main oil gallery oil pressure, can effectively reduce the loss of oil pump to engine power, prevent the generation of cavitating, but because the switching of valve is to be controlled by the main oil gallery oil pressure of sealing, in case oil circuit occurs unusual, oil pump will be worked under overload, thereby damages oil pump, and then damages whole motor, bring about great losses, in addition, when high engine speeds turns round, because the structural characteristics of the type pressure regulator valve valve body itself, after acquiring a certain degree, the pressure regulation flow of valve body just can't continue pressure control, if rotating speed continue to raise, then oil pump will overload operation, thereby damages oil pump.
Summary of the invention
The technical problems to be solved in the utility model is that oil pump pressure regulation and pressure release is integrated, makes engine oil pressure control more accurate, safer, and effectively reduces the engine power loss.
For achieving the above object, the technical solution of the utility model provides a kind of device for adjusting oil pressure of engine, comprise the regulator housing, adjusting pressuring valve core, pressure releasing valve core, the pressure regulator valve spring, Decompression valves spring and the sealing plug screw that has seal ring, the regulator enclosure interior is a cylindrical cavity, pressure releasing valve core is enclosed within and is installed in the regulator housing on the adjusting pressuring valve core jointly, the regulator lower housing portion is provided with screw thread and cooperates with the sealing plug screw, adjusting pressuring valve core and pressure releasing valve core carry out pretension by pressure regulator valve spring and Decompression valves spring separately, two spring the other ends are compressed by the sealing plug screw, the regulator housing is provided with pressure regulator valve control oil pressure hole, oil inlet hole, oil outlet and draining hole, pressure regulator valve control oil pressure hole is communicated with main oil gallery, oil inlet hole is communicated with the oil pump high-voltage oil cavity, oil outlet is communicated with oil pump low pressure oil pocket, and the draining hole is communicated with oil sump.
When oil pressure in the main oil gallery overcomes the pretightening force of adjusting pressuring valve core, promote adjusting pressuring valve core and move down a segment distance, conducting oil pump high-voltage oil cavity and oil pump low pressure oil pocket, the output oil pressure of oil pump and main oil gallery oil pressure descend; When the main oil gallery oil pressure drops to when being not enough to overcome the pretightening force of adjusting pressuring valve core, adjusting pressuring valve core is closed; When oil pump high-voltage oil cavity oil pressure too high and surpass the pressure regulation upper limit of adjusting pressuring valve core, pressure releasing valve core works, when the oil pressure of oil pump high-voltage oil cavity overcomes the pretightening force of pressure releasing valve core, promote pressure releasing valve core and move down a segment distance, the machine oil of oil pump high-voltage oil cavity enters oil sump by the draining hole, when the oil pressure of oil pump high-voltage oil cavity was lower than the pretightening force of pressure releasing valve core, pressure releasing valve core was closed.
Adjusting pressuring valve core cooperates by conical surface with pressure releasing valve core.
Pressure releasing valve core cooperates by conical surface with the regulator housing.
Pressure regulator valve control oil pressure hole is arranged on the top of regulator housing.
The draining hole is arranged on the cylndrical surface of the oil inlet hole radial symmetric direction on the regulator housing.
Regulator housing and oil pump shell cast are one.
The regulator housing of device for adjusting oil pressure of engine of the present utility model and oil pump shell cast are one, wherein the regulator enclosure interior is a cylindrical cavity, oil pump can be divided into two chambeies, be high-voltage oil cavity and low pressure oil pocket, and be communicated with regulator by oil inlet hole and oil outlet.Relief hole is communicated with oil sump.Regulator housing top has a hole, promptly controls oil pressure hole and is communicated with the cylinder body main oil gallery.Regulator housing bottom machining screw seals by sealing plug screw and seal ring.Described oil pump housing also has other 2 holes except that above-mentioned two holes, logical respectively oil filter/cooler and oil sump front oil duct.
Pressure releasing valve core is enclosed within on the adjusting pressuring valve core, adjusting pressuring valve core and pressure releasing valve core surface of contact are processed with the higher cone structure of precision, all be processed with the higher cone structure of precision on pressure releasing valve core inner ring surface and the outer ring surface, corresponding with the pressure releasing valve core conical surface, the corresponding cone structure of processing on the housing inner chamber.Pretension is carried out by a spring separately in two spool bottoms, i.e. pressure regulator valve spring and Decompression valves spring, and two spring the other ends are compressed by the sealing plug screw.
Main oil gallery in the logical cylinder body of the control oil pressure hole of regulator housing top, oil pressure improves with engine speed in oil pump output oil pressure and the main oil gallery, when oil pressure in the main oil gallery overcomes the pressure regulator valve initial tension of spring, push the taper adjusting pressuring valve core open and move down a segment distance, conducting oil pump hyperbaric chamber and low-pressure cavity, the output oil pressure of oil pump and main oil gallery oil pressure descend, when its underpressure when overcoming initial tension of spring, pressure regulator valve cuts out.This moment, then oil pressure can constantly fluctuate in a pressure stable scope in oil pump output oil pressure and the main oil gallery, is keeping the transient equiliblium of pressure if engine speed is constant.This moment, oil pressure still can raise in oil pump output oil pressure and the main oil gallery if engine speed continues to raise, but the speed that raises is slack-off.
If having some setbacks, cylinder-body oil duct cause the main oil gallery oil pressure too high or the oil pump output oil pressure is too high and surpass the pressure regulator valve pressure regulation upper limit, Decompression valves works, when the oil pump output oil pressure overcomes the pressure release initial tension of spring, Decompression valves moves down, oil pump hyperbaric chamber and oil sump are communicated with, the step-down of oil pump draining prevents the oil pump damage.
The utility model is saved space and cost with hydraulic adjustment device and oil pump housing integrally casting; Oil pump and hydraulic adjustment device are integrated, guarantee the oil pump work safety; Pressure regulator valve adopts the conical plug spool, opens fast good airproof performance; The oil outlet of pressure regulator valve is arranged on the low-pressure cavity of oil pump but not oil sump, need not to pass through once more the rising distance of fuel filter, reduces the oil pump power consumpiton, thereby reduces the power loss of motor; The oil outlet of pressure regulator valve is arranged on the low-pressure cavity of oil pump, and when the operation of the high oil pressure of motor, the oil pressure growth curve is a similar parabolic shape and nonlinear type makes motor can have higher rotating speed design under high oil pressure; The control oil pressure of pressure regulator valve reduces the pump oil pulsation influence of oil pump from main oil gallery, avoids too much engine power loss; The machine oil that releases is without main oil gallery, oil filter filtration, machine oil cooler cooling, has reduced the power loss of motor, improves fuel economy.
Description of drawings
Fig. 1 is the utility model longitudinal section;
Fig. 2 is the utility model schematic diagram of the function.
Mark among the figure: 1, regulator housing; 2, adjusting pressuring valve core; 3, pressure releasing valve core; 4, pressure regulator valve spring; 5, Decompression valves spring; 6, seal ring; 7, sealing plug screw; 8, oil sump; 9, main oil gallery; 10, control oil pressure hole; 11, draining hole; 12, oil inlet hole; 13, oil outlet; 14, oil pump high-voltage oil cavity; 15, oil pump low pressure oil pocket.
Embodiment
As shown in Figure 1, described device for adjusting oil pressure of engine sealing plug screw 7 totally six parts of comprising regulator housing 1, adjusting pressuring valve core 2, pressure releasing valve core 3, pressure regulator valve spring 4, Decompression valves spring 5, band seal ring.
As shown in Figure 1, oil pump housing and regulator housing 1 are cast into one, and wherein regulator inside is cylindrical cavity, and oil pump can be divided into two chambeies, be high-voltage oil cavity 14 and low pressure oil pocket 15, and be communicated with the regulator internal cavities by oil-feed 12 and oil outlet 13.Draining hole 11 communicates with oil sump 8, and draining hole 11 is positioned on the cylndrical surface of oil inlet hole 12 radial symmetric directions.Regulator housing 1 top has pressure regulator valve control oil pressure hole 10 and is communicated with cylinder body main oil gallery 9.Regulator housing 1 bottom machining internal thread seals by plug screw 7 and seal ring 6.The oil pump housing also has other 2 holes except that above-mentioned two holes, logical respectively oil filter/cooler and oil sump front oil duct.
The utility model hydraulic adjustment device, pressure releasing valve core 3 is enclosed within on the adjusting pressuring valve core 2, adjusting pressuring valve core 2 is processed with the higher cone structure of precision with pressure releasing valve core 3 surface of contact, all be processed with the higher cone structure of precision on pressure releasing valve core 3 inner ring surfaces and the outer ring surface, the corresponding cone structure of processing on regulator housing 1 inner chamber corresponding with pressure releasing valve core 3 conical surfaces, as shown in Figure 1.Pretension is carried out by a spring separately in two spool bottoms, and promptly 5, two spring the other ends of pressure regulator valve spring 4 and Decompression valves spring are compressed by the sealing plug screw 7 of band seal ring.
As shown in Figure 2, after the motor entry into service, the machine oil in the oil sump is under the effect of oil pump, by fuel filter, enter oil pump low pressure oil pocket 15, under the effect of rotor of engine oil pump, enter high-voltage oil cavity 14 then, enter oil filter and cooler thereof then, enter main oil gallery 9 then.
Too high or the oil pump output oil pressure is too high and surpass the adjusting pressuring valve core 2 pressure regulation upper limits when the main oil gallery oil pressure, described pressure releasing valve core 3 works, when the oil pump output oil pressure overcomes the pretightening force of Decompression valves spring 5, pressure releasing valve core 3 moves down, machine oil enters oil sump 8 by the draining hole 11 of regulator, the step-down of oil pump draining prevents the oil pump damage.When oil pressure was lower than the pretightening force of Decompression valves spring 5, pressure releasing valve core 3 was closed.
Claims (7)
1. device for adjusting oil pressure of engine, it is characterized in that, comprise regulator housing (1), adjusting pressuring valve core (2), pressure releasing valve core (3), pressure regulator valve spring (4), Decompression valves spring (5) and have the sealing plug screw (7) of seal ring (6), described regulator housing (1) inside is cylindrical cavity, described pressure releasing valve core (3) is enclosed within and is installed in the described regulator housing (1) on the described adjusting pressuring valve core (2) jointly, described regulator housing (1) bottom is provided with screw thread and cooperates with described sealing plug screw (7), described adjusting pressuring valve core (2) and described pressure releasing valve core (3) carry out pretension by described pressure regulator valve spring (4) and described Decompression valves spring (5) separately, two spring the other ends are compressed by described sealing plug screw (7), described regulator housing (1) is provided with pressure regulator valve control oil pressure hole (10), oil inlet hole (12), oil outlet (13) and draining hole (11), described pressure regulator valve control oil pressure hole (10) is communicated with main oil gallery (9), described oil inlet hole (12) is communicated with oil pump high-voltage oil cavity (14), described oil outlet (13) is communicated with oil pump low pressure oil pocket (15), and described draining hole (11) is communicated with oil sump (8).
2. controlling device as claimed in claim 1, it is characterized in that, when oil pressure overcomes the pretightening force of described adjusting pressuring valve core (2) in the described main oil gallery (9), promote described adjusting pressuring valve core (2) and move down a segment distance, described oil pump high-voltage oil cavity of conducting (14) and described oil pump low pressure oil pocket (15), the output oil pressure of oil pump and main oil gallery oil pressure descend; When described main oil gallery (9) oil pressure drops to when being not enough to overcome the pretightening force of described adjusting pressuring valve core (2), described adjusting pressuring valve core (2) is closed; When oil pump high-voltage oil cavity (14) oil pressure too high and surpass the pressure regulation upper limit of described adjusting pressuring valve core (2), described pressure releasing valve core (3) works, when the oil pressure of oil pump high-voltage oil cavity (14) overcomes the pretightening force of described pressure releasing valve core (3), promote described pressure releasing valve core (3) and move down a segment distance, the machine oil of described oil pump high-voltage oil cavity (14) enters oil sump (8) by draining hole (11), when the oil pressure of described oil pump high-voltage oil cavity (14) was lower than the pretightening force of described pressure releasing valve core (3), described pressure releasing valve core (3) was closed.
3. controlling device as claimed in claim 1 or 2 is characterized in that, described adjusting pressuring valve core (2) cooperates by conical surface with described pressure releasing valve core (3).
4. controlling device as claimed in claim 3 is characterized in that, described pressure releasing valve core (3) cooperates by conical surface with described regulator housing (1).
5. controlling device as claimed in claim 4 is characterized in that, described pressure regulator valve control oil pressure hole (10) is arranged on the top of regulator housing (1).
6. controlling device as claimed in claim 5 is characterized in that, described draining hole (11) is arranged on the cylndrical surface of oil inlet hole (12) the radial symmetric direction on the regulator housing (1).
7. as claim 4 or 5 or 6 described controlling devices, it is characterized in that described regulator housing (1) is an one with the oil pump shell cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202934462U CN201574795U (en) | 2009-12-17 | 2009-12-17 | Oil pressure regulating device of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202934462U CN201574795U (en) | 2009-12-17 | 2009-12-17 | Oil pressure regulating device of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201574795U true CN201574795U (en) | 2010-09-08 |
Family
ID=42694671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202934462U Expired - Fee Related CN201574795U (en) | 2009-12-17 | 2009-12-17 | Oil pressure regulating device of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201574795U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032020A (en) * | 2011-01-19 | 2011-04-27 | 潍柴动力股份有限公司 | Engine and engine oil pressure limiting valve thereof |
| CN102966408A (en) * | 2012-11-05 | 2013-03-13 | 浙江新柴股份有限公司 | Piston-type engine oil pressure-limiting valve device |
| CN103306777A (en) * | 2013-06-07 | 2013-09-18 | 上海交通大学 | Engine oil supply system with oil return pipe |
| CN103806976A (en) * | 2014-02-25 | 2014-05-21 | 奇瑞汽车股份有限公司 | Oil pump and control method of engine lubrication system of oil pump |
| CN103867257B (en) * | 2014-02-28 | 2016-01-06 | 南车玉柴四川发动机股份有限公司 | A kind of pressure-gradient control valve reducing medium speed diesel oil consumption |
| CN106523070A (en) * | 2016-10-27 | 2017-03-22 | 宁波立达智能控制技术有限公司 | Drive device of oil-gas separator |
| CN107355575A (en) * | 2017-07-27 | 2017-11-17 | 广东万家乐燃气具有限公司 | A kind of multifunctional safety valve |
| CN107956533A (en) * | 2017-12-14 | 2018-04-24 | 潍柴动力股份有限公司 | A kind of engine with flow control valve |
| CN110185824A (en) * | 2018-10-22 | 2019-08-30 | 中航光电科技股份有限公司 | A kind of adjustable relief valve |
| CN110255484A (en) * | 2019-07-04 | 2019-09-20 | 广东柏华包装股份有限公司 | A kind of glue cylinder and its into gluing method |
| CN112814758A (en) * | 2021-03-09 | 2021-05-18 | 广西玉柴机器股份有限公司 | External structure of engine pressure regulating valve |
| CN114673916A (en) * | 2022-03-17 | 2022-06-28 | 芜湖钻石航空发动机有限公司 | Pressure limiting valve of aircraft engine oil pump |
-
2009
- 2009-12-17 CN CN2009202934462U patent/CN201574795U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032020A (en) * | 2011-01-19 | 2011-04-27 | 潍柴动力股份有限公司 | Engine and engine oil pressure limiting valve thereof |
| CN102032020B (en) * | 2011-01-19 | 2013-01-02 | 潍柴动力股份有限公司 | Engine and engine oil pressure limiting valve thereof |
| CN102966408A (en) * | 2012-11-05 | 2013-03-13 | 浙江新柴股份有限公司 | Piston-type engine oil pressure-limiting valve device |
| CN103306777A (en) * | 2013-06-07 | 2013-09-18 | 上海交通大学 | Engine oil supply system with oil return pipe |
| CN103806976A (en) * | 2014-02-25 | 2014-05-21 | 奇瑞汽车股份有限公司 | Oil pump and control method of engine lubrication system of oil pump |
| CN103806976B (en) * | 2014-02-25 | 2016-07-13 | 奇瑞汽车股份有限公司 | A kind of control method of lubricating oil pump and engine lubrication system thereof |
| CN103867257B (en) * | 2014-02-28 | 2016-01-06 | 南车玉柴四川发动机股份有限公司 | A kind of pressure-gradient control valve reducing medium speed diesel oil consumption |
| CN106523070A (en) * | 2016-10-27 | 2017-03-22 | 宁波立达智能控制技术有限公司 | Drive device of oil-gas separator |
| CN107355575A (en) * | 2017-07-27 | 2017-11-17 | 广东万家乐燃气具有限公司 | A kind of multifunctional safety valve |
| CN107355575B (en) * | 2017-07-27 | 2023-02-03 | 广东万家乐燃气具有限公司 | Multifunctional safety valve |
| CN107956533A (en) * | 2017-12-14 | 2018-04-24 | 潍柴动力股份有限公司 | A kind of engine with flow control valve |
| CN107956533B (en) * | 2017-12-14 | 2024-04-16 | 潍柴动力股份有限公司 | Engine with flow regulating valve |
| CN110185824A (en) * | 2018-10-22 | 2019-08-30 | 中航光电科技股份有限公司 | A kind of adjustable relief valve |
| CN110255484A (en) * | 2019-07-04 | 2019-09-20 | 广东柏华包装股份有限公司 | A kind of glue cylinder and its into gluing method |
| CN110255484B (en) * | 2019-07-04 | 2024-02-20 | 广东柏华包装股份有限公司 | Rubber cylinder and rubber feeding method thereof |
| CN112814758A (en) * | 2021-03-09 | 2021-05-18 | 广西玉柴机器股份有限公司 | External structure of engine pressure regulating valve |
| CN114673916A (en) * | 2022-03-17 | 2022-06-28 | 芜湖钻石航空发动机有限公司 | Pressure limiting valve of aircraft engine oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20131217 |