CN106523881A - Pressure relief type two-stage variable displacement engine oil pump - Google Patents
Pressure relief type two-stage variable displacement engine oil pump Download PDFInfo
- Publication number
- CN106523881A CN106523881A CN201611181933.0A CN201611181933A CN106523881A CN 106523881 A CN106523881 A CN 106523881A CN 201611181933 A CN201611181933 A CN 201611181933A CN 106523881 A CN106523881 A CN 106523881A
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- CN
- China
- Prior art keywords
- pressure relief
- plunger
- oil pump
- oil
- pressure release
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/02—Lubricating-pumps with reciprocating piston
- F16N13/04—Adjustable reciprocating pumps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a pressure relief type two-stage variable displacement engine oil pump. The pressure relief type two-stage variable displacement engine oil pump comprises an engine oil pump shell body; an engine oil pump oil outlet opening and an engine oil pump oil outlet way are arranged in the engine oil pump shell body; a pressure relief oil way which is communicated with the oil outlet way is also arranged in the shell; one end of the pressure relief oil way is communicated with the oil outlet oil way, and the other end of the pressure relief oil way is closed; two pressure relief holes, respectively a first-stage pressure relief hole and a second-stage pressure relief hole, which are communicated with the pressure relief oil way are formed in the pressure relief oil way; a plunger is arranged in the pressure relief oil way; one end of the plunger is connected with one end of a spring; the other end of the spring is fixedly connected with the closed end of the pressure relief oil way; the plunger is arranged on one side of each of the two pressure relief holes; when the spring drives the plunger to move, the plunger can block the pressure relief holes on one side of each of the pressure relief holes. According to the pressure relief type two-stage variable displacement engine oil pump, the pressure relief oil way, the plunger and the spring are added on the basis of the conventional engine oil pump, the system pressure of the engine oil pump can be adjusted timely when the engine oil pump works, and finally, the purposes of reducing the system pressure, saving energy and reducing emission are achieved.
Description
Technical field
The present invention relates to engine art, and in particular to a kind of two grades of displacement-variable oil pumps of pressure release type.
Background technology
Automobile engine operationally, if system pressure is too high, can cause machine oil quantity combusted to increase, in turn result in burning
Room carbon distribution is excessive, and heat dispersion is reduced.With the development of auto industry, energy-saving and emission-reduction become the trend of Hyundai Motor development, make
For the most important parts of engine lubrication system, the functional reliability and energy consumption improvement property of lubricating oil pump directly affects electromotor
Whole energy effect.
The content of the invention
For the problems referred to above, the present invention provides a kind of two grades of displacement-variable oil pumps of pressure release type.
A kind of two grades of displacement-variable oil pumps of pressure release type, including oil pump casing, have lubricating oil pump in the oil pump casing
Oil-out and the fuel-displaced oil circuit of lubricating oil pump, it is characterised in that in the housing, be additionally provided with the pressure release of a connection fuel-displaced oil circuit
Oil circuit, the pressure release oil circuit one end connect the fuel-displaced oil circuit, other end closing；Connect the pressure release oil circuit and be provided with two pressure releases
Hole, respectively one-level relief hole and two grades of relief holes；A plunger is provided with the pressure release oil circuit, and plunger at one end connects the spring
One end, the spring other end are fixedly connected the blind end of the pressure release oil circuit；, located at the side of two relief holes, spring is in band for plunger
When dynamic plunger is moved, plunger can block relief hole in the side of relief hole.
The present invention proposes a kind of two grades of displacement-variable oil pumps of pressure release type, on the basis of traditional lubricating oil pump, by increasing
Plus pressure release oil circuit and plunger and spring, the in good time adjustment of system pressure during machine oil pump work can be realized, reduction is finally reached
System pressure, realizes the purpose of energy-saving and emission-reduction.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described.
Fig. 1 is the front view of the present invention；
Transverse sectional views of the Fig. 2 for Fig. 1；
Fig. 3 is to remove the schematic diagram of spring and plunger in Fig. 2.
In figure, numeral is represented：
1st, housing 2, oil-out 3, fuel-displaced oil circuit 4, pressure release oil circuit 5, one-level relief hole
6th, two grades of relief holes 7, plungers 8, spring.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.
Shown in Fig. 1 to 3, a kind of two grades of displacement-variable oil pumps of pressure release type, including oil pump casing 1, the oil pump casing 1
It is interior with lubricating oil pump oil-out 2 and the fuel-displaced oil circuit 3 of lubricating oil pump, be additionally provided with a connection fuel-displaced oil circuit 3 in the housing 1
Pressure release oil circuit 4,4 one end of pressure release oil circuit connect the fuel-displaced oil circuit 3, other end closing；Connect the pressure release oil circuit 4 and be provided with two
Individual relief hole, respectively one-level relief hole 5 and two grades of relief holes 6；A plunger 7,7 one end of plunger are provided with the pressure release oil circuit 4
Connect 8 one end of the spring, 8 other end of spring is fixedly connected the blind end of the pressure release oil circuit 4.Plunger 7 is located at two pressure releases
The side in hole, when driving plunger 7 to move, plunger 7 can block relief hole in the side of relief hole to spring 8.
Implementation principle：When idling to the slow-speed of revolution is run, the pressure oil of lubricating oil pump oil-out 2 is pumped out electromotor by machine oil
Oil circuit 3 is acted on 7 top surface of plunger, and during this, this power ＜ pressure release spring 8 acts on the power on plunger 7, and plunger 7 is motionless
Make.This number rotaring section, relief hole (5,6) are not opened, and this interval keeps maximum supply capability in corresponding revolution lubricating oil pump；
When the slow-speed of revolution to transition revolution runs, the pressure oil of lubricating oil pump oil-out 2 passes through the fuel-displaced oil of lubricating oil pump to electromotor
Road 3 is acted on 7 top surface of plunger, and during this, this power >=pressure release spring 8 acts on the power on plunger 7,7 beginning action of plunger
(equal when initial, when engine speed increases, lubricating oil pump pump oil flow increases, and goes out oil pressure increase, acts on plunger 7
Hydraulic pressure acts on the power on plunger 7 more than pressure release spring 8, and pressure release spring 8 is compressed in the movement of plunger 7, to set up new equilibrium point,
Whenever rotation speed change, balance is both needed to re-establish, and explanation is not repeated hereinafter), the fuel-displaced oil circuit of lubricating oil pump 3 and one-level relief hole 5
Connection, starts one-level pressure release.Increase pressure release section with rotating speed constantly to increase, until one-level relief hole 5 is all turned on.This revolution area
Between, one-level relief hole 5 is opened, and realizes energy-conservation；
Electromotor when transition rotating speed is run to middle revolution, with rotating speed increase, go out oil pressure continue raise, plunger 7 after
Continuous movement, this 5 pressure release of process one-level relief hole and pressure release sectional area keep constant.
When middle rotating speed to rated revolution runs, now two grades of relief holes 6 start intervention to electromotor, with engine speed
Constantly lifted, two grades of 6 open areas of relief hole constantly increase, to reach new balance.This number rotaring section, one-level relief hole 5, two
6 pressure release simultaneously of level relief hole.
The present invention proposes a kind of two grades of displacement-variable oil pumps of pressure release type, on the basis of traditional lubricating oil pump, by increasing
Plus pressure release oil circuit 4 and plunger 7 and spring 8, the in good time adjustment of system pressure during machine oil pump work can be realized, drop is finally reached
Low system pressure, realizes the purpose of energy-saving and emission-reduction.
Various modifications to these embodiments will be apparent for those skilled in the art, herein
Defined General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.
Claims (1)
1. a kind of two grades of displacement-variable oil pumps of pressure release type, including oil pump casing, pump out with machine oil in the oil pump casing
Hydraulic fluid port and the fuel-displaced oil circuit of lubricating oil pump, it is characterised in that in the housing, be additionally provided with the pressure release oil of a connection fuel-displaced oil circuit
Road, the pressure release oil circuit one end connect the fuel-displaced oil circuit, other end closing；It is additionally provided with two pressure releases for connecting the pressure release oil circuit
Hole, respectively one-level relief hole and two grades of relief holes；A plunger is provided with the pressure release oil circuit, and plunger at one end connects the spring
One end, the spring other end are fixedly connected the blind end of the pressure release oil circuit；, located at the side of two relief holes, spring is in band for plunger
When dynamic plunger is moved, plunger can block relief hole in the side of relief hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181933.0A CN106523881A (en) | 2016-12-20 | 2016-12-20 | Pressure relief type two-stage variable displacement engine oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181933.0A CN106523881A (en) | 2016-12-20 | 2016-12-20 | Pressure relief type two-stage variable displacement engine oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106523881A true CN106523881A (en) | 2017-03-22 |
Family
ID=58340681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611181933.0A Pending CN106523881A (en) | 2016-12-20 | 2016-12-20 | Pressure relief type two-stage variable displacement engine oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523881A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671078A (en) * | 2019-11-15 | 2020-01-10 | 西南石油大学 | Hydraulic vibration casing pipe scraper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020139345A1 (en) * | 2001-03-27 | 2002-10-03 | Toyoda Boshoku Corporation | Oil pump for internal combustion engine and method of operating the same |
| CN101629500A (en) * | 2009-07-31 | 2010-01-20 | 奇瑞汽车股份有限公司 | Device for adjusting oil pressure of engine |
| CN202546204U (en) * | 2011-11-24 | 2012-11-21 | 比亚迪股份有限公司 | Oil pump |
| CN202578816U (en) * | 2012-05-09 | 2012-12-05 | 安徽华菱汽车有限公司 | Engine and engine oil pump thereof |
-
2016
- 2016-12-20 CN CN201611181933.0A patent/CN106523881A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020139345A1 (en) * | 2001-03-27 | 2002-10-03 | Toyoda Boshoku Corporation | Oil pump for internal combustion engine and method of operating the same |
| CN101629500A (en) * | 2009-07-31 | 2010-01-20 | 奇瑞汽车股份有限公司 | Device for adjusting oil pressure of engine |
| CN202546204U (en) * | 2011-11-24 | 2012-11-21 | 比亚迪股份有限公司 | Oil pump |
| CN202578816U (en) * | 2012-05-09 | 2012-12-05 | 安徽华菱汽车有限公司 | Engine and engine oil pump thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671078A (en) * | 2019-11-15 | 2020-01-10 | 西南石油大学 | Hydraulic vibration casing pipe scraper |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |