CN110206996A - A kind of lubricating oil pump pressure regulator valve - Google Patents
A kind of lubricating oil pump pressure regulator valve Download PDFInfo
- Publication number
- CN110206996A CN110206996A CN201910603264.9A CN201910603264A CN110206996A CN 110206996 A CN110206996 A CN 110206996A CN 201910603264 A CN201910603264 A CN 201910603264A CN 110206996 A CN110206996 A CN 110206996A
- Authority
- CN
- China
- Prior art keywords
- blocking
- hole
- spring
- regulating valve
- plunger
- 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
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 44
- 230000000903 blocking effect Effects 0.000 claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims abstract description 33
- 125000006850 spacer group Chemical group 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000011324 bead Substances 0.000 claims abstract description 10
- 230000014759 maintenance of location Effects 0.000 claims abstract description 10
- 239000010721 machine oil Substances 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 238000011084 recovery Methods 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000033228 biological regulation Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/042—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with locking or disconnecting arrangements
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0426—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with seat protecting means
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0473—Multiple-way safety valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- 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
-
- 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
- F16N23/00—Special adaptations of check valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
A kind of lubricating oil pump pressure regulator valve, it is related to machine oil pump technical field, it includes pressure regulating valve hole, plunger is equipped in pressure regulating valve hole, spring and blocking, the rear end of spring is stretched out from plunger slot and is resisted against blocking, retention bead is fixedly installed in the outside wall surface of plunger back-end, the rear portion of pressure regulating valve hole is correspondingly arranged on limited step, the front end of pressure regulating valve hole is connected to draining entrance, the inner wall setting draining of pressure regulating valve hole exports and draining outlet is positioned at the front side of limited step, limit hole is offered on the shell of pressure limiting valve opening rear end, spacer pin is equipped in limit hole, under the elastic force effect of spring, blocking resists spacer pin backward, blocking is equipped with the oil return hole of connection pressure regulating valve hole and machine oil oil pumping chamber.Its of the invention structure is simple, and draining process is stablized, and relatively quick can reach voltage regulation result, and no setting is required that complicated helicitic texture can also make secure fit between blocking and pressure regulator valve.
Description
Technical field
The present invention relates to machine oil pump technical field, a kind of especially lubricating oil pump pressure regulator valve.
Background technique
Lubricating oil pump is for guaranteeing that lubricating oil can be supplied in lubricating system internal circulation flow, and under each revolving speed of engine
Sufficient amount of lubricating oil guarantees the lubrication of engine to maintain enough lubricating oil pressures.To prevent engine oil pressure excessively high,
Pressure regulator valve would generally be set in lubricant passage way.
When pressure regulator valve is assemblied in lubricating oil pump, structure is generally plunger spring formula structure.The rear end of spring is by blocking
Positioning, front end is withstood on plunger, and the front end of plunger is then resisted against on the limited step of pressure regulator valve valve chamber inner wall front end.Machine oil from
The front end of pressure regulator valve valve chamber enters, when cracking pressure of the engine oil pressure beyond limit hydraulic valve, under the action of engine oil pressure, and bullet
Spring is compressed, and pressure regulator valve is opened, and extra lubricating oil returns to machine oil pump inlet.Since limiting stand need to be arranged in valve chamber inner wall front end
Rank, therefore when machine oil enters, the limitation that the size of oily sectional area will receive limited step influences, that is to say, that draining leads to
Road sectional area is relatively small, and the pressure that oil liquid is subject to is big, this meeting is so that draining speed is relatively fast, and then generates certain oil liquid
Pressure oscillation is unfavorable for being rapidly achieved the effect of stable voltage.
On the other hand, there are mainly two types of the fixed forms of blocking: first is that by blocking mounting hole between magnitude of interference into
Row is fixed, and mainly have following characteristics: such fixed form structure is simple, is easily installed, and is easy to the features such as producing in enormous quantities, but
Drawback is similarly prominent, be fixed by magnitude of interference the installation dimension of blocking and bottom outlet is required it is more stringent, once in the presence of
Overproof situation blocks the repeated stock of unbearable pressure regulation valve spring and falls off, and will lead to lubricating system can not establish oil pressure, make
Movement parts are obtained in a short time by inordinate wear.It is fixed second is that being threaded into formula, by being screwed in blocking and bottom outlet processing
Formula screw thread screws in blocking installation at bottom outlet screw thread, and such structural reliability is high, but process, installation it is excessively complicated, cost compared with
Height, especially when pressure regulator valve is arranged on pump cover, pump cover needs Machining Arc part often in order to avoid space interference, from
And make insufficient space to design the threaded mounting structure of blocking.
Summary of the invention
Problem to be solved by this invention is to provide a kind of lubricating oil pump pressure regulator valve, and structure is simple, and draining process is stablized,
It relatively quick can reach voltage regulation result, and no setting is required that complicated helicitic texture can also make between blocking and pressure regulator valve securely
Cooperation.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of lubricating oil pump pressure regulator valve, including setting
Pressure regulating valve hole on the shell of lubricating oil pump, the pressure regulating valve hole is interior to be equipped with plunger, spring and blocking, the rear end of the plunger
Face offers the plunger slot for accommodating spring, and the front end of the spring protrudes into plunger slot and abuts against the groove bottom of plunger slot,
Blocking is stretched out from plunger slot and be resisted against in the rear end of the spring, is fixedly installed limit convex in the outside wall surface of the plunger back-end
Rise, the rear portion of the pressure regulating valve hole is correspondingly arranged on limited step, the spring elastic force effect under, the retention bead to
Before abut against limited step, the front end of the pressure regulating valve hole is connected to draining entrance, and the inner wall setting draining of the pressure regulating valve hole goes out
Mouth and draining outlet are located at the front side of limited step, and limit is offered on the shell of pressure limiting valve opening rear end
Hole is equipped with spacer pin in the limit hole, and under the elastic force effect of the spring, the blocking resists spacer pin backward, institute
State the oil return hole that blocking is equipped with connection pressure regulating valve hole and machine oil oil pumping chamber.
Preferably, the diameter of the oil return hole is greater than the diameter of spacer pin.
Further, oil-recovery tank is offered on the rear end face of the blocking, the oil-recovery tank is connected to oil return hole, and described time
The length of oil groove is less than the diameter of blocking rear end face, and the width of the oil-recovery tank and the diameter of oil return hole are consistent.
Further, the front end of the blocking is equipped with and leads for being inserted into spring so as to what is play the guiding role to spring
To pin, the oil return hole extends to the groove bottom of oil-recovery tank from the front end face of guide pin.
Further, the outer wall for making plunger is equipped between the outside wall surface of the plunger and the front end face of retention bead
The groove in the inner wall of face and pressure regulating valve hole formation gap.
Further, plain washer is additionally provided between the front end of the spring and the groove bottom of plunger slot.
The beneficial effects of the present invention are: in lubricating oil pump it can make shell (pump cover or the pump housing) using the pressure regulator valve of the structure
On remove the trouble of thread mill drilling from, so as to make shell meet corresponding design needs, and then reach space-saving effect
Fruit, for example, in order to avoid space interference can on pump cover Machining Arc part etc., without worrying the peace that blocks in pressure regulator valve
Dress problem limits blocking by spacer pin, is fully able to meet the reliability of assembly blocking；On the other hand, due to right
The position limiting structure of plunger is arranged in the rear end of plunger, therefore that no setting is required for the front end of the pressure regulating valve hole entered in oil liquid is any extra
Structure, and can provide oily sectional area maximized effect for the drain path of pressure regulating valve hole leading portion, such oil liquid is entering
The pressure being subject to when pressure regulating valve hole can be more relatively small, so that draining speed reduces to a certain extent, to reduce draining mistake
Oil liquid pressure fluctuation in journey, and then fast implement pressure regulation；In addition to this, due to being integrated with oil return hole in blocking, without
Oil return hole is designed on pump cover or the pump housing, has saved axial space, so that draining is more smooth.
Detailed description of the invention
Fig. 1 is to be equipped with lubricating oil pump pressure regulation valve housing (pump cover) partial structure diagram of the invention；
Fig. 2 be Fig. 1 in A-A to schematic cross-sectional view；
Fig. 3 is the enlarged diagram of structure at B in Fig. 2；
Fig. 4 is the planar structure schematic diagram of pressure regulating valve hole rear end in the embodiment of the present invention.
Appended drawing reference are as follows:
1 --- plunger 1a --- plunger slot 1b --- retention bead
1c --- groove 2 --- spring 3 --- blocking
3a --- oil return hole 3b --- oil-recovery tank 3c --- guide pin
4 --- --- the draining entrance 6 --- draining of limited step 5 outlets
7 --- shell 8 --- limit hole 9 --- spacer pins
10 --- plain washer.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
It needs to illustrate in advance, in the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", the terms such as " connection ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
In addition, in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.Term " on ", "lower", "front", "rear", "left", "right", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As shown in Figs 1-4, a kind of lubricating oil pump pressure regulator valve, including the pressure regulating valve hole being arranged on the shell 7 of lubricating oil pump, pressure regulation
Plunger 1, spring 2 and blocking 3 are equipped in valve opening, the rear end face of plunger 1 offers the plunger slot 1a for accommodating spring 2, bullet
The front end of spring 2 protrudes into plunger slot 1a and abuts against the groove bottom of plunger slot 1a, the rear end of spring 2 stretched out from plunger slot 1a and against
In being fixedly installed retention bead 1b in blocking 3, the outside wall surface of 1 rear end of plunger, the rear portion of pressure regulating valve hole is correspondingly arranged on limit
Step 4, under the elastic force effect of spring 2, retention bead 1b abuts against forward limited step 4, and the front end connection of pressure regulating valve hole is let out
The inner wall setting draining of oil-in 5, pressure regulating valve hole exports 6 and draining outlet 6 is located at the front side of limited step 4, is located at
Limit hole 8 is offered on the shell 7 of pressure limiting valve opening rear end, spacer pin 9 is equipped in limit hole 8, is acted in the elastic force of spring 2
Under, blocking 3 resists spacer pin 9 backward, and blocking 3 is equipped with the oil return hole 3a of connection pressure regulating valve hole and machine oil oil pumping chamber.
The lubricating oil pump pressure regulator valve that above embodiment provides is in lubricating oil pump in application, the pressure regulator valve of the structure can make shell
7(the present embodiment shell 7 is signified be lubricating oil pump pump cover) on remove the trouble of thread mill drilling from, so as to meet shell 7
Corresponding design needs, and then reaches space-saving effect, such as in order to avoid space interference can process circle on pump cover
Arc portion point (circular arc C in Fig. 1) etc., without worrying the installation question of blocking 3 in pressure regulator valve, by 9 pairs of spacer pin block 3 into
Row limit is fully able to meet the reliability of assembly blocking 3；On the other hand, since the position limiting structure to plunger 1 is arranged in plunger
1 rear end, therefore no setting is required for front end any extra structure of the pressure regulating valve hole entered in oil liquid, and can be pressure regulating valve hole
The drain path of leading portion provides oily sectional area maximized effect, and the pressure that such oil liquid is subject to when entering pressure regulating valve hole can phase
To smaller, so that draining speed reduces to a certain extent, so that the oil liquid pressure during reducing draining fluctuates, and then fast
Speed realizes pressure regulation；In addition to this, due to being integrated with oil return hole 3a in blocking 3, without designing oil return on pump cover or the pump housing
Axial space has been saved in hole, so that draining is more smooth.
Preferably, the diameter of oil return hole 3a is greater than the diameter of spacer pin 9, in this way can be to avoid as oil return hole 3a and limit
The problem of oil return hole 3a is blocked when being overlapped in the position of position pin 9.
Further, also oil-recovery tank 3b can be opened up on the rear end face of blocking 3, oil-recovery tank 3b is connected to oil return hole 3a, and
And the width of oil-recovery tank 3a is consistent with the diameter of oil return hole 3a, and as shown in figure 4, the length of oil-recovery tank 3a is less than blocking 3
The diameter of rear end face can avoid spacer pin 9 and snap onto oil-recovery tank 3a in this way when oil-recovery tank 3a is overlapped with the position of spacer pin 9
In, by the way that the oil-recovery tank 3a vertical with oil return hole 3a is arranged, oil return effect can be made to be significantly improved, i.e., oil liquid can first pass through
Oil return hole 3a is entered in oil-recovery tank 3a to flow out from oil-recovery tank 3a again, can avoid in this way be only arranged an oil return hole 3a when
It waits, spacer pin 9 generates excessive blocking to oil return hole 3a, still ensures that sufficient draining by oil-recovery tank 3a.
Further, the front end for blocking 3 is equipped with guiding for being inserted into spring 2 so as to play the guiding role to spring 2
3c is sold, by directly integrating guide pin 3c in blocking 3, preferable guide effect can be played to spring 2, optimize the deflection feelings of valve
Condition, and oil return hole 3a then can be set to the structure that the groove bottom of oil-recovery tank 3a is extended to from the front end face of guide pin 3c.
Further, as shown in figure 3, being equipped between the outside wall surface of plunger 1 and the front end face of retention bead 1b for making column
The outside wall surface of plug 1 and the inner wall of pressure regulating valve hole form the groove 1c in gap, can store a small amount of oil liquid in groove 1c, thus
Both play good lubricating action in the contact site of retention bead 1b and limited step 4, and reduce to a certain extent by
It is formed by abrasion in often striking at contact, is improved service life.
In addition, in the present embodiment, being additionally provided with plain washer 10 between the front end of spring 2 and the groove bottom of plunger slot 1a.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
In order to allow those of ordinary skill in the art more easily to understand the improvements of the present invention compared with the existing technology, this
Some attached drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other members
Element, the element that those of ordinary skill in the art should be aware that these are omitted also may make up the contents of the present invention.
Claims (6)
1. a kind of lubricating oil pump pressure regulator valve is set in the pressure regulating valve hole including the pressure regulating valve hole being arranged on the shell (7) of lubricating oil pump
There are plunger (1), spring (2) and blocking (3), it is characterised in that: the rear end face of the plunger (1) is offered for accommodating spring
(2) front end of plunger slot (1a), the spring (2) protrudes into plunger slot (1a) and abuts against the groove bottom of plunger slot (1a), institute
The rear end for stating spring (2) is stretched out and is resisted against blocking (3) from plunger slot (1a), fixed in the outside wall surface of plunger (1) rear end
It is provided with retention bead (1b), the rear portion of the pressure regulating valve hole is correspondingly arranged on limited step (4), the bullet in the spring (2)
Under power effect, the retention bead (1b) is abutted against forward limited step (4), and the front end of the pressure regulating valve hole is connected to draining entrance
(5), before the inner wall setting draining outlet (6) and draining outlet (6) of the pressure regulating valve hole are located at limited step (4)
Side offers limit hole (8) on the shell (7) of pressure limiting valve opening rear end, is equipped with spacer pin in the limit hole (8)
(9), under the elastic force effect of the spring (2), the blocking (3) resists spacer pin (9) backward, and the blocking (3) is equipped with
It is connected to the oil return hole (3a) of pressure regulating valve hole and machine oil oil pumping chamber.
2. lubricating oil pump pressure regulator valve according to claim 1, it is characterised in that: the diameter of the oil return hole (3a) is greater than limit
Sell the diameter of (9).
3. lubricating oil pump pressure regulator valve according to claim 2, it is characterised in that: offered on the rear end face of the blocking (3)
Oil-recovery tank (3b), the oil-recovery tank (3b) are connected to oil return hole (3a), and the length of the oil-recovery tank (3a) is less than blocking (3) rear end
The width of the diameter in face, the oil-recovery tank (3a) is consistent with the diameter of oil return hole (3a).
4. lubricating oil pump pressure regulator valve according to claim 3, it is characterised in that: the front end of the blocking (3) is equipped with for inserting
Enter in spring (2) so as to the guide pin (3c) playing the guiding role to spring (2), the oil return hole (3a) is from guide pin (3c)
Front end face extends to the groove bottom of oil-recovery tank (3a).
5. lubricating oil pump pressure regulator valve according to claim 4, it is characterised in that: the outside wall surface and limit convex of the plunger (1)
Play the groove that the inner wall formation gap of outside wall surface and pressure regulating valve hole for making plunger (1) is equipped between the front end face of (1b)
(1c).
6. lubricating oil pump pressure regulator valve according to any one of claims 1-5, it is characterised in that: the front end of the spring (2)
Plain washer (10) are additionally provided between the groove bottom of plunger slot (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603264.9A CN110206996A (en) | 2019-07-05 | 2019-07-05 | A kind of lubricating oil pump pressure regulator valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910603264.9A CN110206996A (en) | 2019-07-05 | 2019-07-05 | A kind of lubricating oil pump pressure regulator valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110206996A true CN110206996A (en) | 2019-09-06 |
Family
ID=67796383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910603264.9A Pending CN110206996A (en) | 2019-07-05 | 2019-07-05 | A kind of lubricating oil pump pressure regulator valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110206996A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981104A (en) * | 2020-08-20 | 2020-11-24 | 周风爱 | Transmission gear lubricating mechanism |
| CN112096941A (en) * | 2020-09-21 | 2020-12-18 | 湖南机油泵股份有限公司 | Oil pump pressure limiting valve capable of improving spring installation precision |
| EP3892897A1 (en) * | 2020-04-08 | 2021-10-13 | Fujian Xihe Sanitary Ware Technology Co., Ltd. | Forced discharge valve and faucet assembly |
| CN113606483A (en) * | 2021-08-06 | 2021-11-05 | 湖南机油泵股份有限公司 | Oil pump with pressure regulating valve |
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| CN201011390Y (en) * | 2006-08-16 | 2008-01-23 | 湖南机油泵股份有限公司 | Buckle type pressure-limiting valve |
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| CN202578816U (en) * | 2012-05-09 | 2012-12-05 | 安徽华菱汽车有限公司 | Engine and engine oil pump thereof |
| CN106640259A (en) * | 2016-12-09 | 2017-05-10 | 重庆小康工业集团股份有限公司 | Pressure-relief engine oil pump |
| JP6309658B1 (en) * | 2017-01-17 | 2018-04-11 | 瑞章精密工業股▲分▼有限公司 | Multistage variable displacement oil pump |
| CN210398348U (en) * | 2019-07-05 | 2020-04-24 | 湖南机油泵股份有限公司 | Oil pump pressure regulating valve |
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2019
- 2019-07-05 CN CN201910603264.9A patent/CN110206996A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201011390Y (en) * | 2006-08-16 | 2008-01-23 | 湖南机油泵股份有限公司 | Buckle type pressure-limiting valve |
| CN201237072Y (en) * | 2008-07-12 | 2009-05-13 | 奇瑞汽车股份有限公司 | Oil pump |
| CN202125717U (en) * | 2011-06-21 | 2012-01-25 | 湖南机油泵股份有限公司 | NSE type rotor oil pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3892897A1 (en) * | 2020-04-08 | 2021-10-13 | Fujian Xihe Sanitary Ware Technology Co., Ltd. | Forced discharge valve and faucet assembly |
| CN111981104A (en) * | 2020-08-20 | 2020-11-24 | 周风爱 | Transmission gear lubricating mechanism |
| CN112096941A (en) * | 2020-09-21 | 2020-12-18 | 湖南机油泵股份有限公司 | Oil pump pressure limiting valve capable of improving spring installation precision |
| CN113606483A (en) * | 2021-08-06 | 2021-11-05 | 湖南机油泵股份有限公司 | Oil pump with pressure regulating valve |
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