CN206860251U - A kind of arrangement of machine oil relief valve - Google Patents
A kind of arrangement of machine oil relief valve Download PDFInfo
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- CN206860251U CN206860251U CN201720627135.XU CN201720627135U CN206860251U CN 206860251 U CN206860251 U CN 206860251U CN 201720627135 U CN201720627135 U CN 201720627135U CN 206860251 U CN206860251 U CN 206860251U
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- oil
- machine oil
- cleaner
- elastic component
- pressure
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of arrangement of machine oil relief valve, including：For installing the filter seat of cleaner, filter seat is provided with drain path and oil leak hole；Cleaner is provided with machine oil import, and machine oil import connects with drain path；Drain path, which is provided with, to be used to control the pressure release valve assembly into the engine oil pressure of cleaner；Pressure release valve assembly opens and closes the oil leak hole of connection drain path and crankcase.The utility model avoids the machine oil filter core of cleaner, and engine oil pressure occur too high and the phenomenon broken through occur, and the phenomenon that the in-line of machine oil pipeline and cleaner is ruptured by high-pressure oil, and then ensure that the safety of cleaner or even engine operation.
Description
Technical field
Technical field of engines is the utility model is related to, espespecially a kind of arrangement of machine oil relief valve.
Background technology
With the development of science and technology and the improvement of people's living standards, automobile have come into huge numbers of families, turn into people
The most important vehicles of go off daily.At present the lubrication of automobile engine mainly by the lubricating oil pump of automobile engine by lubricating oil
The friction surface of each parts of engine is endlessly supplied to, to reduce the abrasion of each component surface.Machine oil is continuous
While recycling, due to friction and wear of each parts etc., it is (metal filings, colloid, miscellaneous by debris to frequently result in machine oil
Matter, moisture and additive etc.) pollution, thus, when machine oil in cyclic process, it is necessary to after filtering by cleaner it is sharp again
With avoiding debris in machine oil from entering between each parts, so as to which the abrasion, damage, the reduction that aggravate between each parts are started
The bad phenomenons such as the service life of machine.
But during oil filtration recycling, if oil pressure is too high, it will oil pipe line occurs and cleaner is revealed
Split, the machine oil filter core for even resulting in cleaner is broken through by high-pressure oil and causes the damaged and its filtering function failure of cleaner
Phenomenon, when machine oil filter core is destroyed, between machine oil can not be filtered and be again introduced into the friction surface of each parts of engine,
So as to aggravate the abrasion between each parts, damage, the bad phenomenon such as service life for reducing engine.Meanwhile because of oil pressure mistake
Height make it that flow of lubrication is excessive and scurries into combustion chamber, makes the increase of lubricating oil consumption oil mass, influences engine performance.So if energy
Enough to be voluntarily adjusted to entering the engine oil pressure in oil filter, undoubtedly each engine production producer will urgently solve
Problem certainly.
Therefore, the application is directed to studying a kind of arrangement of the machine oil relief valve of adjustable engine oil pressure into cleaner
Structure.
The content of the invention
The purpose of this utility model is to provide a kind of arrangement of machine oil relief valve, protects the machine oil filter core of cleaner not
Occur engine oil pressure too high and the phenomenon broken through occur, be also not in the in-line of machine oil pipeline and cleaner by high pressure
The phenomenon of machine oil rupture, it ensure that the safety of cleaner or even engine operation.
The technical scheme that the utility model is provided is as follows：
A kind of arrangement of machine oil relief valve, including：
For installing the filter seat of cleaner, the filter seat is provided with drain path and oil leak hole；
The cleaner is provided with machine oil import, and the machine oil import connects with the drain path；
The drain path is provided with the pressure release valve assembly for being used for controlling the engine oil pressure for entering the cleaner；
The pressure release valve assembly opens and closes the oil leak hole for connecting the drain path and crankcase.
In the technical program, by setting the drain path with cleaner machine oil inlet communication on filter seat, and
Connect the oil leak hole of drain path and crankcase, and in being provided for control on drain path into the engine oil pressure of cleaner
Pressure release valve assembly, when the engine oil pressure for entering cleaner reaches preset value, pressure release valve assembly control oil leak hole is opened, machine oil point
Liu Ru not cleaner and crankcase；When the engine oil pressure for entering cleaner is not up to preset value, pressure release valve assembly control draining
Bore closure, machine oil flow into cleaner.Be not in that engine oil pressure is too high and occur what is broken through to protect the machine oil filter core of cleaner
Phenomenon, be also not in the phenomenon that the in-line of machine oil pipeline and cleaner is ruptured by high-pressure oil, ensure that cleaner is
To the safety of engine operation；And because pressure release valve assembly is arranged in drain path, that is, be arranged on cleaner case, without
Set up on other parts and cause whole engine volume excessive；The utility model is compact-sized, simple, parts are few；
Practical, applicability is wide；Suitable for tend to that structure is small engine day and the trend of operational excellence；Before good market
Scape.
It is further preferred that the oil inlet passage connected with the drain path is additionally provided with the filter seat；It is described enter
Oily passage and the machine oil inlet communication；When the engine oil pressure for entering the cleaner reaches preset value, at the oil leak hole
In opening, machine oil separately flows into the cleaner and the crankcase；When the engine oil pressure for entering the cleaner does not reach
During to preset value, the oil leak hole is closed, and machine oil flows into the cleaner.
In the technical program, by setting the oil inlet passage with machine oil inlet communication on filter seat, i.e. machine oil enters
Oil inlet passage is first passed through before cleaner, and drain path connects with oil inlet passage, so when the high-pressure oil higher than preset value
When pouring into oil inlet passage, now a high-pressure oil part pours into drain path so that and pressure release valve assembly control oil leak hole is exposed,
And then cause the high-pressure oil into drain path is flowed in crankcase by oil leak hole to be entered back into after circulation in cleaner；High pressure
Another part of machine oil can flow to the inside of its machine oil filter core to be filtered by the machine oil import of cleaner.
It is further preferred that the pressure release valve assembly includes being used for the guiding valve, elastic component and thrust for opening and closing the oil leak hole
Portion；The guiding valve is slided on the drain path；The elastic component is located between the guiding valve and the push stopping part, works as institute
When stating oil leak hole and being in opening, the elastic component is in compressive state；It is described when the oil leak hole is closed
Elastic component is in extended configuration；The push stopping part is connected with the filter seat, and the push stopping part is away from the elastic component
One end is revealed in the exterior space of the filter seat.
In the technical program, pass through the elastic performance of pressure release valve assembly being hit by a bullet property part so that when the machine oil for entering cleaner
When pressure reaches preset value, high-pressure oil (machine oil for being higher than preset value) slides guiding valve towards close to the direction of push stopping part side,
Elastic component is compressed, and the oil leak hole now blocked by guiding valve is exposed, so as to cause a machine oil part for high pressure to pass through this oil leak hole
Crankcase is flowed into, another part then flows to cleaner, now extensive due to elastic component until when the pressure of machine oil is less than preset value
Answer power and make it that guiding valve slides towards the direction away from push stopping part side, so as to cause the guiding valve to block the oil leak hole again, now
Machine oil can only flow to cleaner；It is achieved thereby that function of the relief valve from main pressure regulator, and without manual operation；Embody this reality
With the automation and intellectuality of Novel pressure relief valve.
It is further preferred that several pads are folded between the elastic component and the push stopping part.
In the technical program, user can be that is, default by setting the number of pad come the impulse stroke of regulation elasticity body
The size of pressure value (drainage pressure).
It is further preferred that packing ring is provided between the push stopping part and the filter seat.
In the technical program, the presence of packing ring causes the hard contact between push stopping part and filter seat to become flexible contact,
The fretting wear between push stopping part and filter seat is reduced, so as to extend both service life；More excellent, packing ring also improves
The sealing connected between push stopping part and filter seat so that machine oil in drain path will not seepage and cause the waste of machine oil
And loss.
It is further preferred that the push stopping part and the filter seat detachable connection.
In the technical program, push stopping part is detachably connected with filter seat, and part of the push stopping part away from spring side shows
Exterior space (being revealed in the extraneous air of engine) is exposed to, so, the spring, more of different length can be changed as needed
Renew old spring, and the quantity of pad is set etc., and then realize the setting and regulation of the impulse stroke of elastomer, i.e., default pressure
The size of force value (drainage pressure).The tunable performance of this arrangement is significantly increased, in practical operation, user can basis
It is actually needed the drainage pressure size i.e. scope for adjusting this arrangement；Significantly increase the scope of application and reality of this arrangement
With property,
It is further preferred that the guiding valve is U-shaped structure, including blind end and open end；The blind end of the guiding valve leans on
The nearly machine oil import is set, and the inner space of the openend is used for the elastic component；The push stopping part include support set end and
Connection end, described support set end close to the elastic component side, and the connection end is revealed in the exterior space of the filter seat.
In the technical program, the U-shaped structure of guiding valve, its blind end ensure that the Maximum Contact face of guiding valve and high-pressure oil
Product, facilitate high-pressure oil rapidly timely can slide guiding valve towards push stopping part and expose oil leak hole, avoid guiding valve reaction
High-pressure oil moment is caused to be ruptured the in-line of machine oil pipeline and cleaner by high-pressure oil or even by filtering not in time
The phenomenon that the machine oil filter core of device breaks through, so as to ensure that the safety of cleaner or even engine operation；And the inside of openend is empty
Between can play a part of limit and guide elastic component, that is, limit elastic component circumferential offset so that elastic component can only lead to along draining
The extension direction movement in road, it is such as elastic so as to avoid pressure release response valve not in time or bad phenomenon caused by deviation occur
Part circumferential offset and cause elastic component to be fastened in drain path and immovable, and then cause guiding valve immovable, and draining
Hole can not expose in time causes whole high-pressure oils to flow to cleaner；Also or elastic component circumferential offset and cause elasticity
Part is fastened in drain path and immovable, and then is caused guiding valve not reset and sheltered from oil leak hole again, accordingly even when being
When low-pressure oil (machine oil for being less than preset value) flows through filter seat, the low-pressure oil can also flow to cleaner and bent axle simultaneously
Case.
It is further preferred that described support sets end close to the end face of the side of the elastic component towards the connection end concave shape
Into U-lag, the U-lag is used to house the elastic component.
In the technical program, U-lag is provided with close to the end face of elastic component side to end is set, and elastic component is located at the U-lag
Inner space in, the U-lag equally has the function that the U-shaped structure of above-mentioned guiding valve：Limitation and the effect of guiding elastic component, i.e.,
Limit the circumferential offset of elastic component so that elastic component can only move along the extension direction of drain path, so as to avoid relief valve
Respond not in time or bad phenomenon caused by deviation occur.More optimizedly, to the U-lag for setting end and the U-shaped structure pair of guiding valve
Claim to set, and both openend is oppositely arranged, be unable to circumferential offset result in formation of a limitation elastic component and can only be axial
The accommodating cavity that compression or stretching, extension reset.
It is further preferred that the drain path is stepped hole, including flared end and slot end；The drain path it is narrow
Mouth end and the machine oil inlet communication；Step surface is formed between the flared end and the slot end；The guiding valve is located at described
Flared end and to being located at the step surface.
In the technical program, drain path is arranged to stepped hole, and guiding valve is arranged on flared end and close to being located at
The side at slot end, so that the flexible part in side of guiding valve limits its displacement, and opposite side has between slot end and flared end
Step wall prevent its displacement so that guiding valve can only elastic component and be to be moved in the impulse stroke artificially set.
It is further preferred that the oil leak hole is set in the side wall of the drain path, and close to the machine oil import
Put；And/or the body of the filter seat and engine is integrally formed.
In the technical program, pressure release passage and pressure release valve assembly are integrated on body, parts are few, compact-sized, drop
The low space-consuming of engine.
A kind of arrangement of machine oil relief valve provided by the utility model, it can bring following at least one beneficial to effect
Fruit：
1st, in the utility model, by setting the drain path with cleaner machine oil inlet communication on filter seat, with
And connection drain path and crankcase oil leak hole, and in be provided on drain path control into cleaner engine oil pressure
Pressure release valve assembly, when enter cleaner engine oil pressure reach preset value when, pressure release valve assembly control oil leak hole open, machine oil
Separately flow into cleaner and crankcase；When the engine oil pressure for entering cleaner is not up to preset value, the control of pressure release valve assembly is let out
Oilhole is closed, and machine oil flows into cleaner.Be not in that engine oil pressure is too high and break through to protect the machine oil filter core of cleaner
Phenomenon, be also not in the phenomenon that the in-line of machine oil pipeline and cleaner is ruptured by high-pressure oil, ensure that cleaner
Or even the safety of engine operation；And because pressure release valve assembly is arranged in drain path, that is, it is arranged on cleaner case, nothing
It need to set up on other parts and cause whole engine volume excessive；The utility model is compact-sized, simple, parts
It is few；Practical, applicability is wide；Suitable for tend to that structure is small engine day and the trend of operational excellence；With good market
Prospect.
2nd, in the utility model, the elastic performance of the elastic component in pressure release valve assembly is passed through so that when entrance cleaner
When engine oil pressure reaches preset value, the machine oil of high pressure slides guiding valve towards close to the direction of push stopping part side, and elastic component is compressed,
The oil leak hole now blocked by guiding valve is exposed, so as to cause a machine oil part for high pressure to flow into crankcase by this oil leak hole, separately
It is a part of then flow to cleaner, until when the pressure of machine oil be less than preset value, cunning is now caused due to the restoring force of elastic component
Valve slides towards the direction away from push stopping part side, and so as to cause the guiding valve to block the oil leak hole again, machine oil now can only flow
To cleaner；It is achieved thereby that function of the relief valve from main pressure regulator, and without manual operation；Embody the utility model relief valve
Automation and intellectuality.
3rd, in the utility model, by setting several pads between elastic component and push stopping part, by setting pad
Number carrys out the size of the impulse stroke of regulation elasticity body, i.e. preset pressure value (drainage pressure).
4th, in the utility model, push stopping part is detachably connected with filter seat, and part of the push stopping part away from spring side
Be revealed in exterior space (being revealed in the extraneous air of engine), so, can change as needed different length spring,
New and old spring is changed, and the quantity of pad is set etc., and then realize the setting and regulation of the impulse stroke of elastomer, i.e., it is default
The size of pressure value (drainage pressure).The tunable performance of this arrangement is significantly increased, in practical operation, user can root
The drainage pressure size i.e. scope for adjusting this arrangement according to being actually needed；Significantly increase this arrangement the scope of application and
Practicality.
Brief description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to the arrangement knot of machine oil relief valve
Above-mentioned characteristic, technical characteristic, advantage and its implementation of structure are further described.
Fig. 1 is a kind of cross-sectional view of embodiment of the present utility model.
Drawing reference numeral explanation：
100. body, 200. filter seats, 211. slot ends, 212. flared ends, 220. oil leak holes, 230. oil inlet passages,
300. cleaners, 410. guiding valves, 420. elastic components, 431. support set end, 432. connection ends, 500. pads, 600. packing rings.
Embodiment
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, accompanying drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that drawings in the following description are only of the present utility model one
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings, and obtains other embodiments.
To make simplified form, the part related to the utility model is only schematically show in each figure, they are simultaneously
Its practical structures as product is not represented.In addition, so that simplified form readily appreciates, have in some figures identical structure or
The part of function, only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not
" only this " only is represented, the situation of " more than one " can also be represented.Herein, the direction indication of arrow is high-pressure oil
Flow to direction.Herein, for convenience of description, the orientation of upper and lower, left and right etc. is described only for the upper of the accompanying drawing
Lower left and right, not fully represents actual conditions.Herein, high-pressure oil refers to the machine oil greater than or equal to preset value, low pressure
Machine oil refers to the machine oil less than preset value.
In embodiment one, as shown in figure 1, a kind of arrangement of machine oil relief valve, including：For installing cleaner
300 filter seat 200, filter seat 200 are provided with drain path (not indicated in figure) and oil leak hole 220；Cleaner 300 is set
Organic oil inlet (not indicated in figure), machine oil import connect with drain path；Drain path, which is provided with to be used to control, enters filtering
The pressure release valve assembly (not indicated in figure) of the engine oil pressure of device 300；Pressure release valve assembly opens and closes connection drain path and crankcase (figure
In do not indicate) oil leak hole 220.
In the present embodiment, the machine oil import (not indicated in figure) of drain path and cleaner 300 on filter seat 200 connects
It is logical, and the oil leak hole 220 on filter seat 200 is respectively communicated with drain path and crankcase, and set in being slided on drain path
Have for controlling the pressure release valve assembly into the engine oil pressure of cleaner 300, when the engine oil pressure for entering cleaner 300 reaches pre-
If during value, pressure release valve assembly control oil leak hole 220 is opened, and high-pressure oil separately flows into cleaner 300 and crankcase；Filtered when entering
When the engine oil pressure of clear device 300 is not up to preset value, pressure release valve assembly control oil leak hole 220 is closed, and low-pressure oil flows into filtering
Device 300.Avoiding the machine oil filter core (not indicated in figure) of cleaner 300, engine oil pressure occur too high and the phenomenon broken through occur,
And the phenomenon that the in-line of machine oil pipeline and cleaner 300 is ruptured by high-pressure oil, so as to ensure that cleaner 300 or even
The safety of engine (not indicated in figure) operation；And because pressure release valve assembly is arranged in drain path, that is, it is arranged on cleaner
On seat 200, whole engine block 100 is caused to accumulate without setting up on other parts excessive；The utility model is compact-sized,
Simply, parts are few；Practical, applicability is wide；Suitable for tend to that structure is small engine day and the trend of operational excellence；Have
Good market prospects.
In embodiment two, as shown in figure 1, on the basis of embodiment one, it is additionally provided with filter seat 200 and leads to draining
The oil inlet passage 230 of the machine oil inlet communication of road and cleaner 300；And pressure release valve assembly includes being used to open and close oil leak hole 220
Guiding valve 410, elastic component 420 and push stopping part；Guiding valve 410 is slided on drain path；Elastic component 420 is located at guiding valve 410 and only
Between pushed section；Push stopping part is connected with filter seat 200, and the one end of push stopping part away from elastic component 420 is revealed in filter seat 200
Exterior space (i.e. external engine space).Pass through the elastic performance of the elastic component 420 in pressure release valve assembly so that work as entrance
When the engine oil pressure of cleaner 300 reaches preset value, high-pressure oil flows to drain path and filtering respectively by oil inlet passage 230
The machine oil import of device 300, wherein flowing into side of the part high-pressure oil of drain path by guiding valve 410 towards close push stopping part side
To slip, because push stopping part is connected with filter seat 200, push stopping part is motionless, thus elastic component 420 is compressed (i.e. elastic component 420
Compressed to the left), now exposed by the oil leak hole 220 that guiding valve 410 blocks, so flow into this partial high pressure machine oil of drain path
Crankcase is flowed into by this oil leak hole 220, and the part high-pressure oil for flowing to cleaner 300 then flows to the machine of cleaner 300
The inside of oily filter core and filtered；So high-pressure oil is divided into two-way and flows to crankcase and cleaner 300, crankcase and filter respectively
The shunting action of clear device 300 make it that flowing to the pressure value of the high-pressure oil of cleaner 300 and the total amount of high-pressure oil reduces, with
The passage of time, the pressure value of high-pressure oil will be gradually decreased to be less than preset value, now due to elastic component 420 restoring force and
So that guiding valve 410 slides towards the direction away from push stopping part side, so that guiding valve 410 is gradually slid to the right until it is blocked up again
Firmly oil leak hole 220 (i.e. elastic component 420 recovers to the right original extended configuration), low-pressure oil now can only flow to cleaner 300；
It is achieved thereby that function of the relief valve from main pressure regulator, and whole pressure leak process is without manual operation；Embody of the present utility model
Automation and intellectuality.
What deserves to be explained is the size of preset value and the impulse stroke of elastomer are closely related, therefore, in practical application
In, those skilled in the art can be set not according to the pressure-resistant degree and treating capacity of the cleaner 300 of different types of engine
The elastic component 420 of same size, different coefficient of elasticity and different operating stroke etc., the elastic component 420 in the utility model are preferably
Spring, and the material of spring can be metal, plastics or alloy material etc..Certainly, elastic component 420 is alternatively with flexible and return
The other types of part of function, such as hollow elastic cylinder or solid elastic cylinder.And the size of guiding valve 410 should be with letting out
Oily channel sized is adapted, and its best fit is blind-mate, i.e. machine oil will not flow to the side provided with elastic component 420.
In embodiment three, as shown in figure 1, on the basis of embodiment one or two, the machine of filter seat 200 and engine
Body 100 is integrally formed.And oil leak hole 220 is located in the side wall of drain path, and the oil inlet passage on filter seat 200
230 are set；When the engine oil pressure for entering cleaner 300 reaches preset value, oil leak hole 220 is in opening, machine oil difference
Flow into cleaner 300 and crankcase；When the engine oil pressure for entering cleaner 300 is not up to preset value, oil leak hole 220, which is in, closes
Closed state, machine oil flow into cleaner 300.
In example IV, as shown in figure 1, on the basis of embodiment two or three, pressed from both sides between elastic component 420 and push stopping part
Provided with several pads 500, flexible packing ring 600 is set between push stopping part and filter seat 200.Drain path is stepped hole,
Including flared end 212 and slot end 211；The slot end 211 of drain path communicates with oil inlet passage 230；Flared end 212 and slot
Step surface is formed between end 211；Guiding valve 410 is located at flared end 212 and on step surface；Accordingly, oil leak hole 220 is located at
On the wall of the flared end 212 of stepped hole, and it is correspondingly arranged with guiding valve 410.Due to guiding valve 410 be on the step surface,
Therefore, the size for being sized larger than slot end 211 of the blind end of guiding valve 410, it is spacing due to slot end 211 and push stopping part
Effect so that guiding valve 410 can only slide in flared end 212, and due to the elastic component being folded between push stopping part and guiding valve 410
420 impulse stroke is fixed (just being determined when elastic component 420 generates), therefore, in actual applications, passes through change
The quantity for the pad 500 being arranged between elastic component 420 and push stopping part, and the elastic component 420 can be changed in a state of nature (i.e.
When blocking oil leak hole 220) compression degree, and then have changed high-pressure oil need elapse guiding valve 410 when pressure size (i.e. in advance
If the size of value)；Certainly, when the quantity of pad 500 is more, illustrate that preset value is bigger, even if guiding valve 410 slides required power
It is bigger；When the quantity of pad 500 is fewer, illustrate that preset value is smaller, even if guiding valve 410 slides required power with regard to smaller.When
So, when setting several pads 500, and oil leak hole 220 is closed, and elastic component 420 now can be also completely in certainly
By extended configuration (i.e. elastic component 420 is uncompressed).What deserves to be explained is pad 500 is along 420 reciprocating side of elastic component
To size can be configured according to being actually needed, when changing pad 500, can not also change its quantity, and change different chis
Very little pad 500 realizes the setting of the preset value of engine oil pressure；And pad 500 can be elastic material or hard material.
In embodiment five, as shown in figure 1, on the basis of embodiment two, three or four, push stopping part and filter seat 200
Detachable connection.If push stopping part can be that screw thread is connected with one end of machine oil import of the drain path away from cleaner 300,
When needing to change elastic component 420 or pad 500, push stopping part need to only be removed to the behaviour that can carry out correlation from filter seat 200
Make.Certainly, push stopping part also can pass through bolt by its exposure and the part (i.e. connection end 432) of the exterior space of filter seat 200
Or screw etc. carries out detachable connection with filter seat 200.Preferably guiding valve 410 is U-shaped structure, including blind end and opening
End；The blind end of guiding valve 410 is set close to machine oil import, and the inner space of openend is used for elastic component 420.Push stopping part includes supporting
If end 431 and connection end 432, to end 431 is set close to the side of elastic component 420, connection end 432 is revealed in the outer of filter seat 200
Portion space；And form U-lag, and U-lag towards the depression of connection end 432 close to the end face of the side of elastic component 420 to end 431 is set
For housing elastic component 420.So so that the U-shaped structure to the U-lag and guiding valve 410 that set end 431 is symmetrical arranged, and both
Openend be oppositely arranged, be unable to circumferential offset result in formation of a limitation elastic component 420 and can only be compressed axially or stretch
The accommodating cavity (not indicated in figure) of reset.So as to avoid pressure release response valve not in time or occur bad existing caused by deviation
As causing elastic component 420 to be fastened in drain path such as the circumferential offset of elastic component 420 and immovable, and then cause guiding valve
410 is immovable, and oil leak hole 220 can not in time be exposed and cause whole high-pressure oils to flow to cleaner 300；Or bullet
Property the circumferential offset of part 420 and cause elastic component 420 to be fastened in drain path and immovable, and then cause guiding valve 410 can not
Reset shelters from oil leak hole 220 again, accordingly even when being that low-pressure oil (machine oil for being less than preset value) flows through filter seat 200
When, the low-pressure oil can also flow to cleaner 300 and crankcase simultaneously.What deserves to be explained is although to the U-lag for setting end 431
It is oppositely arranged with the openend of the U-shaped structure of guiding valve 410, but is provided between the end face of both openends between pre-determined distance
Gap, to ensure that guiding valve 410 when by high-pressure oil toward left translation, causes guiding valve 410 can not due to the restriction effect of push stopping part
It is moved to the left, and then the phenomenon generation for causing oil leak hole 220 not open.And the scope of the pre-determined distance can be according to elastic component
420 impulse stroke is determined, preferably greater than the impulse stroke of elastic component 420.
It should be noted that above-described embodiment can independent assortment as needed.Described above is only of the present utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. arrangement of machine oil relief valve, it is characterised in that including：For installing the filter seat of cleaner, the filter seat is provided with drain path and oil leak hole；The cleaner is provided with machine oil import, and the machine oil import connects with the drain path；The drain path is provided with the pressure release valve assembly for being used for controlling the engine oil pressure for entering the cleaner；The pressure release valve assembly opens and closes the oil leak hole for connecting the drain path and crankcase.
- 2. the arrangement of machine oil relief valve according to claim 1, it is characterised in that：The oil inlet passage connected with the drain path is additionally provided with the filter seat；The oil inlet passage and the machine oil inlet communication；When the engine oil pressure for entering the cleaner reaches preset value, the oil leak hole is in opening, and machine oil flows respectively Enter the cleaner and the crankcase；When the engine oil pressure for entering the cleaner is not up to preset value, the oil leak hole is closed, and machine oil flows into The cleaner.
- 3. the arrangement of machine oil relief valve according to claim 1 or 2, it is characterised in that：The pressure release valve assembly includes being used for the guiding valve, elastic component and push stopping part for opening and closing the oil leak hole；The guiding valve is slided on the drain path；The elastic component is located between the guiding valve and the push stopping part, when the oil leak hole is in opening, the bullet Property part is in compressive state；When the oil leak hole is closed, the elastic component is in extended configuration；The push stopping part is connected with the filter seat, and the one end of the push stopping part away from the elastic component is revealed in the filter The exterior space of clear device seat.
- 4. the arrangement of machine oil relief valve according to claim 3, it is characterised in that：Several pads are folded between the elastic component and the push stopping part.
- 5. the arrangement of machine oil relief valve according to claim 3, it is characterised in that：Packing ring is provided between the push stopping part and the filter seat.
- 6. the arrangement of machine oil relief valve according to claim 3, it is characterised in that：The push stopping part and the filter seat detachable connection.
- 7. the arrangement of machine oil relief valve according to claim 3, it is characterised in that：The guiding valve is U-shaped structure, including blind end and open end；The blind end of the guiding valve is set close to the machine oil import, and the inner space of the openend is used for the elastic component；The push stopping part, which includes supporting, sets end and connection end, and described support sets end close to the elastic component side, and the connection end appears In the exterior space of the filter seat.
- 8. the arrangement of machine oil relief valve according to claim 7, it is characterised in that：The end face for supporting the side for setting the close elastic component in end is recessed to form U-lag towards the connection end, the U-lag For housing the elastic component.
- 9. the arrangement of machine oil relief valve according to claim 3, it is characterised in that：The drain path is stepped hole, including flared end and slot end；The slot end of the drain path and the machine oil inlet communication；Step surface is formed between the flared end and the slot end；The guiding valve, which is located at the flared end and supported, is located at the step surface.
- 10. the arrangement of the machine oil relief valve according to claim 1 or 2 or 4-9 any one, it is characterised in that：The oil leak hole is set in the side wall of the drain path, and close to the machine oil import；And/orThe body of the filter seat and engine is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720627135.XU CN206860251U (en) | 2017-06-01 | 2017-06-01 | A kind of arrangement of machine oil relief valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720627135.XU CN206860251U (en) | 2017-06-01 | 2017-06-01 | A kind of arrangement of machine oil relief valve |
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| Publication Number | Publication Date |
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| CN206860251U true CN206860251U (en) | 2018-01-09 |
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| CN201720627135.XU Expired - Fee Related CN206860251U (en) | 2017-06-01 | 2017-06-01 | A kind of arrangement of machine oil relief valve |
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| CN (1) | CN206860251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087056A (en) * | 2018-01-18 | 2018-05-29 | 平原滤清器有限公司 | A kind of new gate gurgle valve and base construction for detachable machine filter |
| WO2024016372A1 (en) * | 2022-07-22 | 2024-01-25 | 中车戚墅堰机车有限公司 | Novel engine oil adjusting valve |
-
2017
- 2017-06-01 CN CN201720627135.XU patent/CN206860251U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087056A (en) * | 2018-01-18 | 2018-05-29 | 平原滤清器有限公司 | A kind of new gate gurgle valve and base construction for detachable machine filter |
| WO2024016372A1 (en) * | 2022-07-22 | 2024-01-25 | 中车戚墅堰机车有限公司 | Novel engine oil adjusting valve |
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| GR01 | Patent grant | ||
| 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: 20180109 |