CN205841780U - A kind of anti-surge valve and automobile - Google Patents
A kind of anti-surge valve and automobile Download PDFInfo
- Publication number
- CN205841780U CN205841780U CN201620642424.2U CN201620642424U CN205841780U CN 205841780 U CN205841780 U CN 205841780U CN 201620642424 U CN201620642424 U CN 201620642424U CN 205841780 U CN205841780 U CN 205841780U
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- valve
- piston rod
- valve body
- surge
- high pressure
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Abstract
This utility model relates to a kind of anti-surge valve and automobile, including valve body and core assembly.Valve body includes the first relative end and the second end, and the first end is provided with low pressure exhaust mouth, and the second end is provided with high pressure admission mouth, and valve inner has cavity, is provided with the air vent connected with cavity between the first and second ends.Core assembly is arranged in valve cavity, for closing or open high pressure admission mouth, so that high pressure admission mouth and air vent are closed or connect, including: the metallic piston that the piston rod that can move back and forth between the first and second ends coordinates with valve interior wall, the elastomeric element being arranged between metallic piston and the first end of valve body and be arranged on the piston rod sealing near the end, one end of valve body the second end；Metallic piston is arranged on the piston rod end, one end near valve body the first end, together with sealing, it is possible to move back and forth with piston rod.Use this structure, effectively extend the life-span of anti-surge valve.
Description
Technical field
This utility model relates to automobile technical field, is specifically related to a kind of anti-surge valve.
Background technology
Engine air throttle aperture stablize constant in the case of, or cruise travel time, engine power becomes
Change, cause rotating speed fluctuated, electromotor generation surge.Anti-surge valve is to prevent centrifugal gas compressor from occurring at work breathing heavily
The device that phenomenon of shaking occurs, is a protection device of turbocharged engine, is possible to prevent component of turbo-charger to produce and adds
Speed abrasion and fatigue.
Centrifugal compressor time flow is reduced to a certain numerical value output pressure is certain, just will occur surge.In order to prevent
Surge occurs, and flow system flow to be kept does not enters surge area.Compressor is in operation, when pipe-line system resistance raises, and system
Flow will reduce therewith, it is possible to is reduced to below permissible value.The task of Surge Prevention System drops to a certain safety at flow exactly
During lower limit, automatically by open to atmosphere atmospheric valve or be back to the bypass valve of import and open, increase the flow through air compressor machine, anti-
Only enter surge area.
In gas engine, when turbocharger works and during closed throttle under high pressure-charging state, at turbine
Can produce bigger back pressure between supercharger and air throttle, supercharger compression impellor can be made to shut down for this or supercharger is breathed heavily
Shake.When electromotor slows down suddenly, by surge valve steam hose, the low pressure after air throttle is transmitted surge valve pressure of visiting
On force feedback joint, open surge valve unidirectional cutoff diaphragm, make pressure balance before and after supercharger air compressor, it is to avoid supercharger is breathed heavily
Shake.
Existing anti-surge valve uses rubber diaphragm technology, also exists that rubber diaphragm tensile strength is poor, the life-span is short, it is loaded down with trivial details to assemble
Etc. defect.
Utility model content
The purpose of this utility model is to provide a kind of anti-surge valve, utilizes metallic piston to replace rubber diaphragm, solves rubber
Glue film tensile strength is poor, life-span jacket and shorts join the problems such as loaded down with trivial details.
Technical scheme provided by the utility model is as follows:
A kind of anti-surge valve, including: valve body, described valve body includes that the first relative end and the second end, described first end set
Having low pressure exhaust mouth, described second end to be provided with high pressure admission mouth, described valve inner has cavity, at described first end and second
Be provided with between row connect with described cavity for the air vent being connected with supercharger inlet end；And, it is used for closing or opening
Described high pressure admission mouth, so that the core assembly that described high pressure admission mouth cuts off with described air vent or connects, described spool
Assembly is arranged in described cavity；Described core assembly includes: can move back and forth between described first end and the second end
Piston rod；The metallic piston that can coordinate with described valve interior wall, described metallic piston is arranged on described piston rod near described
The end, one end of the first end, and can move back and forth with described piston rod；It is arranged on the of described metallic piston and described valve body
Elastomeric element between one end；And, it is arranged on the described piston rod sealing near the end, one end of the second end, described sealing
Portion can move back and forth with piston rod, and with described high pressure admission mouth at respective outer side edges, with close or open described high pressure admission
Mouthful.
Use such scheme, by using metallic piston structure to replace tradition rubber diaphragm, solve rubber diaphragm tension
Intensity difference, the life-span is short and assembles the problems such as loaded down with trivial details.
Further, the auxiliary section coordinated with described piston rod, described cooperation it are provided with in the middle part of the cavity inner wall of described valve body
Portion is provided with passage, and described piston rod is arranged in described passage, and described passage is provided with sliding axle with the place of cooperation of described piston rod
Hold.
Use such scheme, by using the structure of sliding bearing between valve body and piston rod to design, efficiently solve described
Between valve body and described piston rod, frictional force is big, easy blocks problem of waiting indefinitely.Additionally, described sliding bearing has guiding to described piston rod
Effect, described sliding bearing slidingsurface separately is not occurred directly to contact by lubricating oil, can reduce described piston rod and institute
State the abrasion between sliding bearing, effectively extend the life-span of described anti-surge valve.
Further, described sliding bearing is self-lubricating plain bearing.
Further, described sealing includes the end, one end of close described second end being arranged on described piston rod
Valve board structure, described valve board structure is provided with the first sealing ring；Described in described valve cavity inner wall surrounding the four of high pressure admission mouth
It is provided with bulge-structure corresponding with described first sealing ring position, that can coordinate week with described first sealing ring.
Use such scheme, replace tradition by using described first sealing ring to seal with the bulge-structure on described valve body
Baton round face seal, solve that baton round face seal is high to mould requirement on machining accuracy, plastics sphere and metal pedestal face seal
Property difference problem, reduce core assembly and seal required seal pressure, improve the sealing property of product.
Further, described sealing includes the end, one end of close described second end being arranged on described piston rod
Valve board structure, described valve board structure is provided with bulge-structure；The surrounding of high pressure admission mouth described in described valve cavity inner wall surrounding
It is provided with the first sealing ring corresponding with described bulge-structure position, that can coordinate with described bulge-structure.
Use such scheme, by using the bulge-structure on described valve board structure to seal with described first sealing ring, solve
Determined baton round face seal to mould requirement on machining accuracy high and plastics sphere and the problem of metal pedestal face seal difference, reduce
Core assembly seals required seal pressure, improves the sealing property of product.
Further, described first sealing ring is ladder-shaped sealing ring.
Further, described valve board structure is metal valve plate structure.
Further, described piston side wall is provided with the second sealing ring coordinated with described valve interior wall.
Use such scheme, by using described second sealing ring to realize the described piston cavity inner wall with described valve body
Sealing, effectively enhance the sealing property of described piston and the cavity inner wall of described valve body, the product that improve anti-surge valve can
By property.
Further, described second sealing ring is y-type seal ring.
This utility model additionally provides a kind of automobile, including above-described anti-surge valve.
What this utility model was brought has the beneficial effect that:
Such scheme, by the design optimization to anti-surge valve valve body Yu core assembly, efficiently solves under traditional mode
Rubber diaphragm tensile strength is poor, the life-span is short, it is loaded down with trivial details to assemble and baton round face seal requires that to processing progress high, sealing difference etc. is asked
Topic.
Additionally, in preferred version provided by the utility model, the structure design of sliding bearing between valve body and piston rod,
Efficiently solve frictional force between described valve body and described piston rod and greatly, easily block problem of waiting indefinitely；Piston rod is near one end of the second end
The sealing of end uses sealing ring and metal bump sealing structure, effectively reduces core assembly and seals required seal pressure,
Improve the sealing property of product.
Accompanying drawing explanation
Fig. 1 represents the structural representation of a kind of anti-surge valve provided in this utility model embodiment；
Fig. 2 represents the structural representation of the core assembly of a kind of anti-surge valve provided in this utility model embodiment；
Fig. 3 represents the fundamental diagram of a kind of anti-surge valve provided in this utility model embodiment.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
The accompanying drawing of type embodiment, is clearly and completely described the technical scheme of this utility model embodiment.Obviously, described
Embodiment is a part of embodiment of the present utility model rather than whole embodiments.Based on described of the present utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained, broadly fall into the scope of this utility model protection.
In order to solve parking drive rod assembly design of terminations manufacturability of the prior art, less economical problem,
This utility model provides a kind of anti-surge valve, utilizes metallic piston to replace rubber diaphragm, solve rubber diaphragm tensile strength poor,
The problem that life-span is short.
As depicted in figs. 1 and 2, this utility model provides a kind of anti-surge valve, including: valve body 100, valve body 100 includes
The first relative end and the second end, the first end is provided with low pressure exhaust mouth 140, and the second end is provided with high pressure admission mouth 130, valve body 100
Inside has cavity, be provided with between the first and second ends with cavity connection for the aerofluxus being connected with supercharger inlet end
Mouth 150；And, it is used for closing or open high pressure admission mouth 130, so that high pressure admission mouth 130 and air vent 150 cut off or connect
Logical core assembly 200, core assembly 200 is arranged in the cavity of valve body 100；Core assembly 200 includes: can be at valve body
The piston rod 210 moved back and forth between first end and second end of 100；The piston 220 that can coordinate with valve body 100 inwall, lives
Plug 220 is arranged on the piston rod 210 end, one end near the first end of valve body 100, and can move back and forth with piston rod 210；
The elastomeric element 300 being arranged between piston 220 and the first end of valve body 100；And, it is arranged on piston rod 220 near valve body
The sealing 230 of the end, one end of second end of 100, sealing 230 can move back and forth with piston rod 210, and is pressed into height
Respective outer side edges at QI KOU 130, to close or to open described high pressure admission mouth 130.
Use such scheme, by using metallic piston 220 replacement tradition rubber diaphragm, solve rubber diaphragm tension strong
Spend poor, the life-span is short and assembles the problems such as loaded down with trivial details.
Additionally, in the prior art, piston rod 210 directly coordinates with metal valve body 100, has therebetween that frictional force is relatively
Greatly, card is easily occurred to wait indefinitely defect.
In order to solve the problems referred to above, in the anti-surge valve that this utility model embodiment is provided, it is preferred that valve body 100
The middle part of cavity inner wall be provided with the auxiliary section 110 coordinated with piston rod 210, auxiliary section 110 is provided with passage, and piston rod 210 is worn
Being located in passage, passage is provided with sliding bearing 111 with the place of cooperation of piston rod 210.
Use such scheme, by using the structure of sliding bearing 111 between valve body 100 and piston rod 210 to design, efficient solution
Frictional force between valve body 100 and piston rod 210 of having determined is big, easy blocks problem of waiting indefinitely.Additionally, 210, piston rod is had by sliding bearing 111
Guide effect, sliding bearing 111 slidingsurface separately is not occurred directly to contact by lubricating oil, can reduce piston rod 210 with
Abrasion between sliding bearing 111, effectively extends the life-span of anti-surge valve.
Additionally, in the anti-surge valve that this utility model embodiment is provided, it is preferred that sliding bearing 111 is self-lubricating
Sliding bearing.
Use such scheme, use self-lubricating plain bearing, the service life of bearing can be extended, improve product further
Reliability.
Additionally, in the anti-surge valve that this utility model embodiment is provided, it is preferred that sealing 230 includes a setting
At the valve board structure 231 of end, one end of the second end of the close valve body 100 of piston rod 210, valve board structure 231 is provided with first
Sealing ring 240；The cavity inner wall of valve body 100 is formed around and the first sealing ring 240 position pair around high pressure admission mouth 130
Should, and the bulge-structure 120 that can coordinate with the first sealing ring 240.
Use such scheme, by using bulge-structure 120 fitted seal of the first sealing ring 240 and metal valve body 100,
Replace traditional baton round face seal, solve baton round face seal to mould requirement on machining accuracy high and plastics sphere and metal
The problem of seat surface sealing difference, reduces core assembly 200 and seals required seal pressure, improve the sealing property of product.
Furthermore, it is necessary to explanation, in other embodiments of the present utility model, it is also possible to be, on valve board structure 231
Being provided with bulge-structure, valve body 100 cavity inner wall is formed around and bulge-structure around high pressure admission mouth, and position is corresponding, can
The first sealing ring coordinated with described bulge-structure.
It should be appreciated that in actual applications, the sealing matching design of sealing ring and bulge-structure in valve board structure or
The particular location of person's valve body, depends on concrete product structure, is not defined this.
Additionally, in the anti-surge valve that this utility model embodiment is provided, it is preferred that the first sealing ring 240 is trapezoidal
Rubber seal.
Using such scheme, ladder-shaped sealing ring has simple in construction, is difficult to abjection, stable performance, use, easy to maintenance etc.
Advantage.
Of course, it should be understood that in actual applications, described first sealing ring 240 can also use other structures real
Existing, will not enumerate at this.
Additionally, in the anti-surge valve that this utility model embodiment is provided, it is preferred that valve board structure 230 is metal valve
Plate structure.
Using such scheme, metal valve plate structure is stable, metal valve plate structure design sealing ring and the projection of metal valve body
Sealing structure, also or, the design of the bulge-structure of metal valve plate structure and the sealing ring design of metal valve body, efficiently solve and mould
Pellet face seal requires high, the problem of sealing difference to processing progress.
Additionally, in the anti-surge valve that this utility model embodiment is provided, it is preferred that the sidewall of metallic piston 220 sets
There is the second sealing ring 250 coordinated with valve body 100 inwall.
Use such scheme, by using the second sealing ring 250 to realize the sealing between piston 220 and valve body 100 inwall, have
Effect enhances the sealing property between piston 220 and valve body 100 inwall, improves the product reliability of anti-surge valve.
Additionally, in the anti-surge valve that this utility model embodiment is provided, it is preferred that the second sealing ring 250 is that Y type is close
Seal.
It should be appreciated that in such scheme, piston 220 is by the second sealing ring 250 and valve body 100 fitted seal, in reality
In the application of border, described second sealing ring 250 can also use such as other design forms such as Glais ring, O and guidance tape, to this
It is not defined.
Additionally, in the anti-surge valve that this utility model embodiment is provided, it is preferred that elastomeric element 300 is spring.
Additionally, additionally provide a kind of automobile in this utility model embodiment, it includes anti-surge valve as above.
As Fig. 3 represents, the work signal of this utility model anti-surge valve is as shown in the figure.
Electromotor Surge Prevention System is mainly made up of anti-surge valve S1, air throttle S2, electromotor S3, supercharger S4 etc..Anti-
Surge valve S1 is the anti-surge valve provided in this utility model embodiment, and it specifically includes that high pressure admission mouth 130, low pressure
QI KOU 140 and the air vent 150 being connected with supercharger S4 inlet end.Surge Prevention System duty is: when high before air throttle S2
It is pressed into the pressure reduction of gas pressure P2 of the low pressure exhaust mouth 140 after the gas pressure P1 and air throttle S2 of QI KOU 130 more than spring
Elastic force F plus the air pressure P0 sum of supercharger S4 front row QI KOU 150 time, piston 220 moves, the high pressure of anti-surge valve S1
Air inlet 130 connects with air vent 150, before the air flow supercharger S4 before air throttle S2；High pressure admission mouth before air throttle S2
After the gas pressure P1 and air throttle S2 of 130, the pressure reduction of the strength pressure P2 of low pressure exhaust mouth 140 adds less than the elastic force F of spring
During air pressure P0 sum before supercharger S4, piston 220 moves down, high pressure admission mouth 130 and the air vent 150 of anti-surge valve S1
Close.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, it is also possible to make some improvement and replacement, these change
Enter and replace and also should be regarded as protection domain of the present utility model.
Claims (10)
1. an anti-surge valve, including:
Valve body, described valve body includes that the first relative end and the second end, described first end are provided with low pressure exhaust mouth, described second end
Being provided with high pressure admission mouth, described valve inner has cavity, is provided with described cavity even between described first end and the second end
The logical air vent being used for being connected with supercharger inlet end；
And, be used for closing or open described high pressure admission mouth so that described high pressure admission mouth and described air vent cut off or
The core assembly of connection, described core assembly is arranged in described cavity；
It is characterized in that,
Described core assembly includes:
The piston rod that can move back and forth between described first end and the second end；
The metallic piston that can coordinate with described valve interior wall, described metallic piston is arranged on described piston rod near described first
The end, one end of end, and can move back and forth with described piston rod；
It is arranged on the elastomeric element between described metallic piston and the first end of described valve body；
And, it being arranged on the described piston rod sealing near the end, one end of the second end, described sealing can be with piston rod
Move back and forth, and with described high pressure admission mouth at respective outer side edges, with close or open described high pressure admission mouth.
2. anti-surge valve as claimed in claim 1, it is characterised in that
Being provided with the auxiliary section coordinated with described piston rod in the middle part of the cavity inner wall of described valve body, described auxiliary section is provided with passage, institute
Stating piston rod to be arranged in described passage, described passage is provided with sliding bearing with the place of cooperation of described piston rod.
3. anti-surge valve as claimed in claim 2, it is characterised in that described sliding bearing is self-lubricating plain bearing.
4. anti-surge valve as claimed in claim 1, it is characterised in that
Described sealing includes the valve board structure of the end, one end of close described second end being arranged on described piston rod, described
Valve board structure is provided with the first sealing ring；
On the cavity inner wall of described valve body around described high pressure admission mouth be formed around corresponding with described first sealing ring position
, the bulge-structure that can coordinate with described first sealing ring.
5. anti-surge valve as claimed in claim 4, it is characterised in that
Described sealing includes the valve board structure of the end, one end of close described second end being arranged on described piston rod, described
Valve board structure is provided with bulge-structure；
On the cavity inner wall of described valve body around described high pressure admission mouth be formed around corresponding with described bulge-structure position,
The first sealing ring that can coordinate with described bulge-structure.
6. the anti-surge valve as described in claim 4 or 5, it is characterised in that
Described first sealing ring is ladder-shaped sealing ring.
7. the anti-surge valve as described in claim 4 or 5, it is characterised in that
Described valve board structure is metal valve plate structure.
8. anti-surge valve as claimed in claim 1, it is characterised in that
The outer peripheral face of described metallic piston is provided with the second sealing ring that the cavity inner wall with described valve body coordinates.
9. anti-surge valve as claimed in claim 8, it is characterised in that
Described second sealing ring is y-type seal ring.
10. an automobile, it is characterised in that
Including anti-surge valve as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620642424.2U CN205841780U (en) | 2016-06-24 | 2016-06-24 | A kind of anti-surge valve and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620642424.2U CN205841780U (en) | 2016-06-24 | 2016-06-24 | A kind of anti-surge valve and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841780U true CN205841780U (en) | 2016-12-28 |
Family
ID=57620362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620642424.2U Active CN205841780U (en) | 2016-06-24 | 2016-06-24 | A kind of anti-surge valve and automobile |
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| Country | Link |
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| CN (1) | CN205841780U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640347A (en) * | 2017-02-17 | 2017-05-10 | 广西玉柴机器股份有限公司 | Electrically-controlled pneumatic anti-surge device and control method |
| CN112178210A (en) * | 2020-09-03 | 2021-01-05 | 湖北三江航天红峰控制有限公司 | Ultralow-temperature pneumatic stop valve |
| CN112431786A (en) * | 2020-11-12 | 2021-03-02 | 一汽解放汽车有限公司 | Structure for preventing surge of supercharger and engine air inlet and exhaust system |
-
2016
- 2016-06-24 CN CN201620642424.2U patent/CN205841780U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640347A (en) * | 2017-02-17 | 2017-05-10 | 广西玉柴机器股份有限公司 | Electrically-controlled pneumatic anti-surge device and control method |
| WO2018149162A1 (en) * | 2017-02-17 | 2018-08-23 | 广西玉柴机器股份有限公司 | Electrically controlled pneumatic surge protection device and control method |
| CN106640347B (en) * | 2017-02-17 | 2018-10-16 | 广西玉柴机器股份有限公司 | A kind of electropneumatic anti-surge installation and control method |
| EP3553292A4 (en) * | 2017-02-17 | 2019-12-18 | Guangxi Yuchai Machinery Group Co., Ltd. | Electrically controlled pneumatic surge protection device and control method |
| US11060467B2 (en) | 2017-02-17 | 2021-07-13 | Guangxi Yuchai Machinery Co., Ltd. | Electrically controlled pneumatic surge prevention device and control method |
| CN112178210A (en) * | 2020-09-03 | 2021-01-05 | 湖北三江航天红峰控制有限公司 | Ultralow-temperature pneumatic stop valve |
| CN112178210B (en) * | 2020-09-03 | 2022-12-23 | 湖北三江航天红峰控制有限公司 | Ultralow-temperature pneumatic stop valve |
| CN112431786A (en) * | 2020-11-12 | 2021-03-02 | 一汽解放汽车有限公司 | Structure for preventing surge of supercharger and engine air inlet and exhaust system |
| CN112431786B (en) * | 2020-11-12 | 2022-03-11 | 一汽解放汽车有限公司 | Structure for preventing surge of supercharger and engine air inlet and exhaust system |
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