CN207064036U - A kind of engine crankcase pressure release by-passing valve - Google Patents
A kind of engine crankcase pressure release by-passing valve Download PDFInfo
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- CN207064036U CN207064036U CN201720849552.9U CN201720849552U CN207064036U CN 207064036 U CN207064036 U CN 207064036U CN 201720849552 U CN201720849552 U CN 201720849552U CN 207064036 U CN207064036 U CN 207064036U
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- ring seat
- spring
- filter core
- valve
- matrix
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Abstract
A kind of engine crankcase pressure release by-passing valve, is placed on engine air cylinder cap, and by-passing valve mainly includes matrix, valve body, spring, filter core and bonnet.The utility model is additionally arranged a pressure release by-passing valve on housing has been started, valve can be opened when hair crankcase pressure is too high to lose heart, can effectively prevent crankcase ventilation system block or winter day it is cold when crankcase pipeline freeze the problem of causing crankcase pressure too high, simultaneously, the utility model is also integrated with the filter core for filtering oil gas in relief valve, during pressure release will not pollution on the environment, there is prominent practicality.
Description
Technical field
A kind of engine crankcase pressure release by-passing valve is the utility model is related to, belongs to engine crankcase pressure regulation technology
Field.
Background technology
At present, automobile engine is when generation crankcase ventilation system blocks or the cold crankcase pipeline in winter day freezes, meeting
There is the too high situation of crankcase pressure, if crankcase now cannot get pressure release, asking for crankcase oil seal oil leak can be caused
Topic, oil spill not only pollute environment, calamity of also easily igniting, potential safety hazard be present.
The content of the invention
The purpose of this utility model is the drawbacks described above for available engine crankcase pressure pressure regulation technology, there is provided
It is a kind of be exclusively used in adjust crankcase pressure pressure release by-passing valve, the relief valve is novel in design, simple in construction, function admirable, also
Fruit filtering can be carried out to oil gas, both ensure that the stabilization of crankcase pressure, it is thus also avoided that pressure release pollutes to environment, has
Prominent practicality.
To achieve the above object, technical solution of the present utility model is：
A kind of engine crankcase pressure release by-passing valve, is placed on engine air cylinder cap, by-passing valve mainly include matrix,
Valve body, spring, filter core and bonnet；Wherein, matrix is the open column shape structure of up/down perforation, and the side wall of matrix epimere is provided with outlet
Mouthful, the inwall of matrix hypomere is sequentially disposed with the first ring seat and the second ring seat from top to bottom, and the centre bore of the first ring seat is more than the
The centre bore of two ring seats, centre bore and the valve opening in the middle part of matrix lower end of the second ring seat are connected, two journal stirrups that matrix lower end is turned up
On be provided with mounting hole；Valve body forms by support bar and positioned at the closure part of support bar lower end, and the lower surface of closure part is close to
The upper surface of two ring seats, the centre bore of the second ring seat is blocked, the lateral dimension of closure part is less than the first ring seat centre bore
Diameter；For spring housing on the body of rod of valve body, the lower end of spring is resisted against the upper surface of closure part；Filter core is placed in the first ring
On seat, the lower end of filter core abuts against the upper surface of the first ring seat；Bonnet by substrate and be placed in base lower surface center cone
Shape platform forms, and the middle part of taper platform is provided with vertically communicated hole, and the diameter of through hole is more than the diameter of the valve body body of rod, and is less than spring
Diameter；Bonnet covers to be inserted in the vertically communicated hole of taper platform from the bottom up in the upper end of matrix, the body of rod of valve body, spring
Upper end is resisted against on the lower surface in the vertically communicated hole of taper platform, and the upper end of filter core is resisted against on the substrate of taper platform outer ring.
Preferably, the first ring seat, which is provided with filter core, disposes position, and the substrate of taper platform outer ring, which is provided with filter core, disposes position.
Preferably, taper platform can use the combination of support floor and conduit to be replaced, and now, multiple support floors surround
Tapered mesa-shaped framework, conduit are inserted into the vertical passageway of taper mesa-shaped framework；Conduit is by body and is placed under body
The supporting part composition at end, the outer wall in body epimere portion are provided with the positioning table being engaged with vertical passageway, the diameter of body endoporus
It is more slightly larger than the diameter of the valve body body of rod；The lower surface of supporting part is provided with the spring on spring and disposes position.
Preferably, the lower surface of valve body closure part is provided with sealing gasket.
Preferably, the outer sheath of bonnet and matrix is provided with dust cover, and dust cover is placed on bonnet.
Compared with prior art, the beneficial effects of the utility model are：
, can be when hair crankcase pressure be too high 1. the utility model is additionally arranged a pressure release by-passing valve on housing has been started
Valve is opened to lose heart, can effectively prevent crankcase ventilation system block or winter day it is cold when crankcase pipeline freeze and cause bent axle
The problem of case hypertonia, there is prominent practicality.
2. the utility model is also integrated with the filter core for filtering oil gas in relief valve, avoid oil in bleeding process
Gas is discharged into air, causes the serious pollution to environment.
3. the utility model is provided with the placement position on spring and filter core, there is easy to assembly, Stability Analysis of Structures after assembling
The advantages of property is good.
4. support floor is employed on bonnet for the utility model and spring is fixed for the combination of conduit, the design
Consumptive material is few, and body of rod operation is smooth, and enough displacement spaces are provided for the body of rod of valve body, meanwhile, the design of detachable conduit,
Also the threshold values of relief valve can be adjusted by changing the form of spring and conduit, meet the requirement of plurality of specifications engine, it is general
Property and practicality it is very prominent.
5. the utility model is arranged with dust cover outside bonnet and matrix, it can effectively prevent introduced contaminants from polluting or blocking filter
Core, extend the service life of relief valve.
Brief description of the drawings
Fig. 1 is the sectional view that pressure release bypasses valve closed mode；
Fig. 2 is the sectional view of pressure release by-passing valve opening；
Fig. 3 is the sectional view of matrix；
Fig. 4 is the top view of matrix；
Fig. 5 is the sectional view of bonnet；
Fig. 6 is the sectional view of conduit.
In figure：Matrix 1, sealing gasket 2, spring 3, filter core 4, bonnet 5, conduit 6, dust cover 7, valve body 8, valve opening 11, first
Ring seat 12, position 13 is disposed under filter core, gas outlet 14, the second ring seat 15, mounting hole 16, substrate 51, supports floor 52, vertical passageway
53, dispose position 54 on filter core, body 61, supporting part 62, positioning table 63, dispose position 64 on spring.
Embodiment
The utility model is described in further detail below in conjunction with brief description of the drawings and specific embodiment.
Referring to Fig. 1 to Fig. 6, a kind of engine crankcase pressure release by-passing valve, it is placed on engine air cylinder cap, by-passing valve
Mainly include matrix 1, valve body 8, spring 3, filter core 4 and bonnet 5；Wherein, matrix 1 be up/down perforation open column shape structure, base
The side wall of the epimere of body 1 is provided with gas outlet 14, and the inwall of the hypomere of matrix 1 is sequentially disposed with the first ring seat 12 and the second ring from top to bottom
Seat 15, the centre bore of the first ring seat 12 are more than the centre bore of the second ring seat 15, the centre bore of the second ring seat 15 with the lower end of matrix 1
The valve opening 11 in portion is connected, and mounting hole 16 is provided with two journal stirrups that the lower end of matrix 1 is turned up；Valve body 8 is by support bar and positioned at support
The closure part composition of bar lower end, the lower surface of closure part is close to the upper surface of the second ring seat 15, to the centre bore of the second ring seat 15
Blocked, the lateral dimension of closure part is less than the diameter of the centre bore of the first ring seat 12；Spring 3 is sleeved on the body of rod of valve body 8,
The lower end of spring 3 is resisted against the upper surface of closure part；Filter core 4 is placed in the first ring seat 12, and the lower end of filter core 4 abuts against first
The upper surface of ring seat 12；Bonnet 5 by substrate 51 and be placed in the lower surface of substrate 51 center taper platform form, in taper platform
Portion is provided with vertically communicated hole, and the diameter of through hole is more than the diameter of the body of rod of valve body 8, and less than the diameter of spring 3；Bonnet 5 covers
In the upper end of matrix 1, the body of rod of valve body 8 inserts in the vertically communicated hole of taper platform from the bottom up, and the upper end of spring 3 is resisted against cone
On the lower surface in the vertically communicated hole of shape platform, the upper end of filter core 4 is resisted against on the substrate 51 of taper platform outer ring.
As preferable technical scheme, the first ring seat 12, which is provided with filter core, disposes position 13, the substrate 51 of taper platform outer ring
It is provided with filter core and disposes position 54.
As preferable technical scheme, taper platform can use the combination of support floor 52 and conduit 6 to be replaced, now,
Multiple support floors 52 surround tapered mesa-shaped framework, and conduit 6 is inserted into the vertical passageway 53 of taper mesa-shaped framework；Conduit 6
It is made up of body 61 and the supporting part 62 for being placed in the lower end of body 61, the outer wall in the epimere portion of body 61 is provided with and vertical passageway
The positioning table 63 being engaged, the diameter of the endoporus of body 61 are more slightly larger than the diameter of the body of rod of valve body 8；The lower surface of supporting part 62 is provided with
On disposing position 64 on the spring of spring 3.
As preferable technical scheme, the lower surface of the closure part of valve body 8 is provided with sealing gasket 2.
As preferable technical scheme, the outer sheath of bonnet 5 and matrix 1 is provided with dust cover 7, and dust cover 7 is placed in bonnet 5
On.
Embodiment 1：
With reference to Fig. 1 to Fig. 6, a kind of engine crankcase pressure release by-passing valve, it is placed on engine air cylinder cap, by-passing valve
Mainly include matrix 1, spring 3, filter core 4, bonnet 5, conduit 6, dust cover 7 and valve body 8.Matrix 1 is the open tubular column of up/down perforation
Shape structure, the side wall of the epimere of matrix 1 are provided with gas outlet 14, and the inwall of the hypomere of matrix 1 is sequentially disposed with the first ring seat from top to bottom
12 and second ring seat 15, the centre bore of the first ring seat 12 is more than the centre bore of the second ring seat 15, the centre bore of the second ring seat 15 with
Valve opening 11 in the middle part of the lower end of matrix 1 is connected, and mounting hole 16 is provided with two journal stirrups that the lower end of matrix 1 is turned up.Valve body 8 is by support bar
With positioned at the closure part of support bar lower end composition, the lower surface of closure part is close to the upper surface of the second ring seat 15, to the second ring seat
15 centre bore is blocked, and the lateral dimension of closure part is less than the diameter of the centre bore of the first ring seat 12, under the closure part of valve body 8
Surface is provided with sealing gasket 2.Spring 3 is sleeved on the body of rod of valve body 8, and the lower end of spring 3 is resisted against the upper surface of closure part.Filter
Core 4 is placed in the first ring seat 12, and the lower end of filter core 4, which is placed under the filter core of the upper surface of the first ring seat 12, to be disposed in position 13.Valve
Lid 5 by substrate 51 and be placed in the lower surface of substrate 51 center support floor 52 and conduit 6 form, it is multiple support floors 52 close
Taper mesa-shaped framework is surrounded, conduit 6 is inserted into the vertical passageway 53 of taper mesa-shaped framework, the substrate of taper mesa-shaped framework outer ring
51 are provided with placement position 54 on filter core.Conduit 6 is by body 61 and is placed in the supporting part 62 of the lower end of body 61 and forms, body 61
The outer wall in epimere portion is provided with the positioning table 63 being engaged with vertical passageway, and the diameter of the endoporus of body 61 is more straight than the body of rod of valve body 8
Footpath is slightly larger, and the lower surface of supporting part 62 is provided with placement position 64 on the spring on spring 3.The outside of bonnet 5 and matrix 1 is arranged
There is dust cover 7, dust cover 7 is placed on bonnet 5.
Above content is to combine the further description that embodiment is done to the utility model, it is impossible to thinks this
The specific implementation of utility model is confined to these explanations, comes for the utility model person of an ordinary skill in the technical field
Say, without departing from the concept of the premise utility, the simple replacement made, should all be considered as belonging to of the present utility model
Protection domain.
Claims (5)
1. a kind of engine crankcase pressure release by-passing valve, is placed on engine air cylinder cap, it is characterised in that：Described bypass
Valve mainly includes matrix（1）, valve body（8）, spring（3）, filter core（4）And bonnet（5）；Wherein, described matrix（1）To pass through up and down
Logical open column shape structure, described matrix（1）The side wall of epimere is provided with gas outlet（14）, described matrix（1）The inwall of hypomere from
The first ring seat is sequentially disposed with up to（12）With the second ring seat（15）, first ring seat（12）Centre bore be more than the second ring
Seat（15）Centre bore, second ring seat（15）Centre bore and matrix（1）Valve opening in the middle part of lower end（11）Connect, the base
Body（1）Mounting hole is provided with two journal stirrups that lower end is turned up（16）；The valve body（8）By support bar and positioned at support bar lower end
Closure part forms, and the lower surface of the closure part is close to the second ring seat（15）Upper surface, to the second ring seat（15）Centre bore
Blocked, the lateral dimension of the closure part is less than the first ring seat（12）The diameter of centre bore；Described spring（3）It is sleeved on
Valve body（8）The body of rod on, the spring（3）Lower end be resisted against the upper surface of closure part；Described filter core（4）It is placed in first
Ring seat（12）On, the filter core（4）Lower end abut against the first ring seat（12）Upper surface；Described bonnet（5）By substrate
（51）And it is placed in substrate（51）The taper platform composition of lower surface center, the middle part of the taper platform are provided with vertically communicated hole,
The diameter of the through hole is more than valve body（8）The diameter of the body of rod, and it is less than spring（3）Diameter；Described bonnet（5）Cover
Matrix（1）Upper end, the valve body（8）The body of rod insert from the bottom up in the vertically communicated hole of taper platform, the spring（3）'s
Upper end is resisted against on the lower surface in the vertically communicated hole of taper platform, the filter core（4）Upper end be resisted against the substrate of taper platform outer ring
（51）On.
A kind of 2. engine crankcase pressure release by-passing valve according to claim 1, it is characterised in that：The first described ring seat
（12）It is provided with filter core and disposes position（13）, the substrate of the taper platform outer ring（51）It is provided with filter core and disposes position（54）.
A kind of 3. engine crankcase pressure release by-passing valve according to claim 1, it is characterised in that：Described taper platform can
Using support floor（52）And conduit（6）Combination be replaced, now, multiple support floors（52）Surround tapered mesa-shaped frame
Frame, described conduit（6）It is inserted into the vertical passageway of taper mesa-shaped framework（53）It is interior；Described conduit（6）By body（61）With
And it is placed in body（61）The supporting part of lower end（62）Composition, the body（61）The outer wall in epimere portion is provided with and vertical passageway
The positioning table being engaged（63）, the body（61）The diameter of endoporus compares valve body（8）The diameter of the body of rod is slightly larger；The supporting part
（62）Lower surface be provided with spring（3）Spring on dispose position（64）.
A kind of 4. engine crankcase pressure release by-passing valve according to claim 1, it is characterised in that：The valve body（8）Envelope
The lower surface in stifled portion is provided with sealing gasket（2）.
A kind of 5. engine crankcase pressure release by-passing valve according to claim 1, it is characterised in that：Described bonnet（5）
And matrix（1）Outer sheath be provided with dust cover（7）, described dust cover（7）It is placed in bonnet（5）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720849552.9U CN207064036U (en) | 2017-07-13 | 2017-07-13 | A kind of engine crankcase pressure release by-passing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720849552.9U CN207064036U (en) | 2017-07-13 | 2017-07-13 | A kind of engine crankcase pressure release by-passing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064036U true CN207064036U (en) | 2018-03-02 |
Family
ID=61510641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720849552.9U Active CN207064036U (en) | 2017-07-13 | 2017-07-13 | A kind of engine crankcase pressure release by-passing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374758A (en) * | 2021-04-27 | 2021-09-10 | 武汉众然品知科技有限公司 | High-sealing integrated hydraulic pump station |
-
2017
- 2017-07-13 CN CN201720849552.9U patent/CN207064036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374758A (en) * | 2021-04-27 | 2021-09-10 | 武汉众然品知科技有限公司 | High-sealing integrated hydraulic pump station |
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