CN205534354U - A pressure regulating guide mechanism for in high pressure pneumatic system - Google Patents
A pressure regulating guide mechanism for in high pressure pneumatic system Download PDFInfo
- Publication number
- CN205534354U CN205534354U CN201620264212.5U CN201620264212U CN205534354U CN 205534354 U CN205534354 U CN 205534354U CN 201620264212 U CN201620264212 U CN 201620264212U CN 205534354 U CN205534354 U CN 205534354U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- threaded rod
- valve body
- elastic component
- respiratory cavity
- 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.)
- Expired - Fee Related
Links
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure regulating guide mechanism for in high pressure pneumatic system, including valve body, ejector pin and threaded rod, still include the diaphragm, valve body and diaphragm enclose into the respiratory cavity, have still seted up the gas pocket on the valve body, and the tip of threaded rod is the fixed connection elastic component still, on the diaphragm still fixed connection have the connecting seat, elastic component and connecting seat fixed connection, the one side that deviates from the respiratory cavity at the diaphragm is fixed to the ejector pin, still be provided with the sealing washer on the side of connecting seat, epicoele and cavity of resorption are split into with the respiratory cavity to sealing washer and connecting seat, and the threaded rod lies in the intracavity with the tie point of elastic component, intracavity under the gas pocket lies in, and still be provided with the ventilation breather on the lateral wall of epicoele. The utility model discloses simple structure uses the utility model discloses a main valve has good delivery pressure adjustment accuracy, the utility model discloses in for the shelves pole movement track of braking main valve is comparatively stable, does benefit to the stability of main valve performance, the structure can realize safe low -loss operation as the guide mechanism that controls the main valve promptly.
Description
Technical field
This utility model relates to compressed gas decompressor field, particularly relates to a kind of pressure regulation pilot mechanism in high-pressure pneumatic system.
Background technology
Along with combustion gas is used more and more extensive, various forms of air relief valve emerge in an endless stream, and optimizing further of gas pressure-reducing valve arrangement will be promoted the utilization of combustion gas further.As a example by environmental consciousness, combustion gas can be greatly reduced Vehicular exhaust pollution for the fuel of vehicle motor, as used natural gas even hydrogen, but in order to improve the single aeration stroke of the vehicle with combustion gas as fuel, gas cylinder it is provided with for housing combustion gas on vehicle, in prior art, hydrogen cylinder is intrinsic pressure up to more than 35Mpa, natural gas cylinder intrinsic pressure also at more than 20Mpa, and the gaseous-pressure being finally introducing cylinder is generally between several kPas to any several MPas, so, the air relief valve reducing pressure high-pressure gas is particularly important, simultaneously in practice, the stability of above air relief valve performance has been reacted on the power of vehicle even in traffic safety the most intuitively.
In prior art, the device for above combustion gas blood pressure lowering mostly is the diaphragm type pneumatic pressure-release valve that sensitivity is higher, but owing to the two ends pressure reduction of air relief valve is big, the vibrations that in air relief valve work process, diaphragm produces will have influence on the stability of air pressure in follow-up gas system；Prior art occurs in that a kind of valve type pneumatic pressure-release valve of living, a piece bar simultaneously playing transmission and guide effect is i.e. set on diaphragm, the air relief valve of above version can be good limit diaphragm amplitude, but owing to the bar frictional force that its side and valve body compressive stress produce while limiting vibrations affects again response speed and the sealing property in bar side face of bar, in prior art, the mechanism of decompressor for combustion gas blood pressure lowering awaits optimizing further.
Utility model content
Diaphragm vibrations, sensitivity and the problem of sealing property in use existed for diaphragm type pneumatic combustion gas dropping equipment set forth above, making in prior art the mechanism of decompressor for combustion gas blood pressure lowering await the purpose optimized further, this utility model provides a kind of pressure regulation pilot mechanism in high-pressure pneumatic system.
For solving the problems referred to above, the pressure regulation pilot mechanism in high-pressure pneumatic system that this utility model provides solves problem by techniques below main points: the pressure regulation pilot mechanism in high-pressure pneumatic system, including valve body, push rod and the threaded rod being threaded on valve body, also include the diaphragm being fixed on valve body, described valve body and diaphragm surround respiratory cavity, the pore communicated with respiratory cavity it is further opened with on valve body, the end of threaded rod is also fixedly connected with the elastic component being positioned in respiratory cavity, the connection seat being positioned in respiratory cavity also it is fixedly connected with on diaphragm, elastic component fixes connection with being connected seat, push rod is fixed on diaphragm and deviates from the side of respiratory cavity；
The described side of connection seat coordinates with the sidewall spacers of respiratory cavity, and it is additionally provided with sealing ring on the side of connection seat, respiratory cavity is divided into epicoele and cavity of resorption by described sealing ring and connection seat, threaded rod is positioned at intracavity with the junction point of elastic component, pore is positioned at lower intracavity, and is additionally provided with spiracle on the sidewall of epicoele.
Concrete, the push rod arranged is for the valve rod effect with main valve, aperture size with control bound, the pore arranged is used for the control that respiratory cavity is intrinsic pressure, the structure being fixed on diaphragm by push rod is used to arrange, be easy to the deformation by diaphragm and reach the technique effect of braking mandril motion, i.e. first the technical program can be by diaphragm amplification principle to realize the intense adjustment of main valve aperture；The threaded rod arranged and elastic component are for applying compressive stress on diaphragm, the generation of above compressive stress comes from threaded rod and is threaded engagement the change of position and the elastic deformation of elastic component on valve body, use the version of threaded rod and diaphragm indirect connection, it is intended to be rigidly connected place's local stress by occur the elastic deformation on its radial and axial direction the to buffer diaphragm that diaphragm heterogeneous deformation causes of elastic component and threaded rod, deformation by elastic component axially direction, eliminate threaded rod and valve body to be rigidly connected the restriction to motion of membrane, the defect of the pressure at expulsion instability that the main valve aperture that buffering diaphragm causes when frequently shaking frequently changes and produces.
Respiratory cavity is divided into the setting of epicoele and cavity of resorption by the sealing ring arranged and connection seat, it is intended to make cavity of resorption be independent annular seal space by sealing ring, compressed gas source so can be avoided to be overflowed by the sidewall of threaded rod, not only contribute to economize on gas, simultaneously when this utility model applies to dangerous gas source, above structure also helps the security performance of air supply system.
Further technical scheme is:
For ease of the intrinsic pressure control of lower intracavity, described pore includes venthole and air inlet.
For optimizing above-mentioned intrinsic pressure control effect further so that the main valve of this utility model effect can timely respond to the duty of residing system, and described air inlet and/or venthole are additionally provided with electromagnetic valve.When applying to automobile-used air relief valve such as this utility model, air inlet and venthole being respectively provided with electromagnetic valve, two electromagnetic valves are connected with the start-up circuit of vehicle, so can realize the state whether whether vehicle launch open with main valve and mate.
For reducing the drag size connecting seat with sealing ring during motion of membrane Yu valve body, sensitivity the most of the present utility model, described sealing ring is O, and the quantity at least two of sealing ring.
For ease of simplifying sealing ring and connecting the structure of seat, alleviate the weight connecting seat, it is beneficial to operability of the present utility model and sensitivity, described elastic component is axial and the compression spring of the axial conllinear of threaded rod, connecting seat is the barrel-like structure that bottom is fixed on diaphragm, and the free end of compression spring is fixed on connection seat drum head face.
For promoting the anti-corrosion capability of diaphragm, extending the life-span of diaphragm, being beneficial to the life-span of the present utility model, the material of described diaphragm is ethylene propylene diene rubber.
This utility model has the advantages that
1, this utility model simple in construction, the push rod arranged is for the valve rod effect with main valve, aperture size with control bound, the pore arranged is used for the control that respiratory cavity is intrinsic pressure, the structure being fixed on diaphragm by push rod is used to arrange, be easy to the deformation by diaphragm and reach the technique effect of braking mandril motion, i.e. first the technical program can be by diaphragm amplification principle to realize the intense adjustment of main valve aperture；The threaded rod arranged and elastic component are for applying compressive stress on diaphragm, the generation of above compressive stress comes from threaded rod and is threaded engagement the change of position and the elastic deformation of elastic component on valve body, use the version of threaded rod and diaphragm indirect connection, it is intended to be rigidly connected place's local stress by occur the elastic deformation on its radial and axial direction the to buffer diaphragm that diaphragm heterogeneous deformation causes of elastic component and threaded rod, deformation by elastic component axially direction, eliminate threaded rod and valve body to be rigidly connected the restriction to motion of membrane, the defect of the pressure at expulsion instability that the main valve aperture that buffering diaphragm causes when frequently shaking frequently changes and produces.In above structure, by using diaphragm that air pressure control signal is amplified so that use main valve of the present utility model to have good output pressure Adjustment precision, and the realization of this Adjustment precision can be realized by pneumatic signal and hand-turning threaded rod；In this utility model, relatively stable for braking the lever movement locus of main valve, the beneficially stability of main valve performance.
Respiratory cavity is divided into the setting of epicoele and cavity of resorption by the sealing ring 2, arranged and connection seat, it is intended to make cavity of resorption be independent annular seal space by sealing ring, compressed gas source so can be avoided to be overflowed by the sidewall of threaded rod, not only contribute to economize on gas, simultaneously when this utility model applies to dangerous gas source, above structure also helps the security performance of air supply system.Above structure, as the pilot mechanism of control bound, can realize safe low-loss and run.
Accompanying drawing explanation
Fig. 1 is the structural representation of one specific embodiment of pressure regulation pilot mechanism in high-pressure pneumatic system described in the utility model.
Figure acceptance of the bid note is respectively as follows: 1, valve body, and 11, venthole.12, air inlet, 2, connect seat, 3, sealing ring, 4, elastic component, 5, threaded rod, 6, diaphragm, 7, respiratory cavity, 8, push rod, 9, spiracle.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following example:
Embodiment 1:
As shown in Figure 1, pressure regulation pilot mechanism in high-pressure pneumatic system, including valve body 1, push rod 8 and the threaded rod 5 being threaded on valve body 1, also include the diaphragm 6 being fixed on valve body 1, described valve body 1 and diaphragm 6 surround respiratory cavity 7, the pore communicated with respiratory cavity 7 it is further opened with on valve body 1, the end of threaded rod 5 is also fixedly connected with the elastic component 4 being positioned in respiratory cavity 7, the connection seat 2 being positioned in respiratory cavity 7 also it is fixedly connected with on diaphragm 6, elastic component 4 fixes connection with being connected seat 2, and push rod 8 is fixed on diaphragm 6 and deviates from the side of respiratory cavity 7；
The side of described connection seat 2 coordinates with the sidewall spacers of respiratory cavity 7, and it is additionally provided with sealing ring 3 on the side of connection seat 2, respiratory cavity 7 is divided into epicoele and cavity of resorption by described sealing ring 3 and connection seat 2, threaded rod 5 is positioned at intracavity with the junction point of elastic component 4, pore is positioned at lower intracavity, and is additionally provided with spiracle 9 on the sidewall of epicoele.
In the present embodiment, the push rod 8 arranged is for the valve rod effect with main valve, aperture size with control bound, the pore arranged is used for the control that respiratory cavity 7 is intrinsic pressure, the structure being fixed on diaphragm 6 by push rod 8 is used to arrange, be easy to be reached the technique effect of braking mandril 8 motion by the deformation of diaphragm 6, i.e. first the technical program can be by diaphragm 6 amplification principle to realize the intense adjustment of main valve aperture；The threaded rod 5 arranged and elastic component 4 are for applying compressive stress on diaphragm 6, the generation of above compressive stress comes from threaded rod 5 and is threaded engagement change and the elastic deformation of elastic component 4 of position on valve body 1, use the version of threaded rod 5 and diaphragm 6 indirect connection, it is intended to be rigidly connected place's local stress by occur the elastic deformation on its radial and axial direction the to buffer diaphragm 6 that diaphragm 6 heterogeneous deformation causes of elastic component 4 and threaded rod 5, deformation by elastic component 4 axially direction, eliminate threaded rod 5 and valve body 1 to be rigidly connected the restriction to diaphragm 6 motion, the defect of the pressure at expulsion instability that the main valve aperture that buffering diaphragm 6 causes when frequently shaking frequently changes and produces.
Respiratory cavity 7 is divided into the setting of epicoele and cavity of resorption by the sealing ring 3 arranged and connection seat 2, it is intended to make cavity of resorption be independent annular seal space by sealing ring 3, compressed gas source so can be avoided to be overflowed by the sidewall of threaded rod 5, not only contribute to economize on gas, simultaneously when this utility model applies to dangerous gas source, above structure also helps the security performance of air supply system.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as it is shown in figure 1, for ease of the intrinsic pressure control of lower intracavity, described pore includes venthole 11 and air inlet 12.
For optimizing above-mentioned intrinsic pressure control effect further so that the main valve of this utility model effect can timely respond to the duty of residing system, and described air inlet 12 and/or venthole 11 are additionally provided with electromagnetic valve.When applying to automobile-used air relief valve such as this utility model, air inlet 12 and venthole 11 being respectively provided with electromagnetic valve, two electromagnetic valves are connected with the start-up circuit of vehicle, so can realize the state whether whether vehicle launch open with main valve and mate.
Connecting sealing ring 3 and the drag size of valve body 1 when seat 2 moves with diaphragm 6 for reducing, sensitivity the most of the present utility model, described sealing ring 3 is O, and the quantity at least two of sealing ring 3.
For ease of simplifying sealing ring 3 and connecting the structure of seat 2, alleviate the weight connecting seat 2, it is beneficial to operability of the present utility model and sensitivity, described elastic component 4 is axial and the compression spring of the axial conllinear of threaded rod 5, connecting seat 2 and be fixed on the barrel-like structure on diaphragm 6 for bottom, the free end of compression spring is fixed on connection seat 2 drum head face.
Embodiment 3:
The present embodiment is further qualified on the basis of above example, as it is shown in figure 1, for promoting the anti-corrosion capability of diaphragm 6, extending the life-span of diaphragm 6, be beneficial to the life-span of the present utility model, the material of described diaphragm 6 is ethylene propylene diene rubber.
Above content is to combine the further description that this utility model is made by concrete preferred implementation, it is impossible to assert that detailed description of the invention of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, other embodiments drawn under without departing from the technical solution of the utility model, should be included in protection domain of the present utility model.
Claims (6)
1. the pressure regulation pilot mechanism in high-pressure pneumatic system, including valve body (1), push rod (8) and the threaded rod (5) being threaded on valve body (1), it is characterized in that, also include the diaphragm (6) being fixed on valve body (1), described valve body (1) and diaphragm (6) surround respiratory cavity (7), the pore communicated with respiratory cavity (7) it is further opened with on valve body (1), the end of threaded rod (5) is also fixedly connected with the elastic component (4) being positioned in respiratory cavity (7), the connection seat (2) being positioned in respiratory cavity (7) also it is fixedly connected with on diaphragm (6), elastic component (4) fixes connection with being connected seat (2), push rod (8) is fixed on diaphragm (6) and deviates from the side of respiratory cavity (7)；
The side of described connection seat (2) coordinates with the sidewall spacers of respiratory cavity (7), and it is additionally provided with sealing ring (3) on the side of connection seat (2), respiratory cavity (7) is divided into epicoele and cavity of resorption by described sealing ring (3) and connection seat (2), threaded rod (5) is positioned at intracavity with the junction point of elastic component (4), pore is positioned at lower intracavity, and is additionally provided with spiracle (9) on the sidewall of epicoele.
Pressure regulation pilot mechanism in high-pressure pneumatic system the most according to claim 1, it is characterised in that described pore includes venthole (11) and air inlet (12).
Pressure regulation pilot mechanism in high-pressure pneumatic system the most according to claim 2, it is characterised in that be additionally provided with electromagnetic valve on described air inlet (12) and/or venthole (11).
Pressure regulation pilot mechanism in high-pressure pneumatic system the most according to claim 1, it is characterised in that described sealing ring (3) is O, and the quantity at least two of sealing ring (3).
Pressure regulation pilot mechanism in high-pressure pneumatic system the most according to claim 1, it is characterized in that, described elastic component (4) is axial and the compression spring of threaded rod (5) axially conllinear, connecting seat (2) is the barrel-like structure that bottom is fixed on diaphragm (6), and the free end of compression spring is fixed on connection seat (2) drum head face.
6. according to the pressure regulation pilot mechanism in high-pressure pneumatic system any one of in claim 1 to 5, it is characterised in that the material of described diaphragm (6) is ethylene propylene diene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620264212.5U CN205534354U (en) | 2016-04-01 | 2016-04-01 | A pressure regulating guide mechanism for in high pressure pneumatic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620264212.5U CN205534354U (en) | 2016-04-01 | 2016-04-01 | A pressure regulating guide mechanism for in high pressure pneumatic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534354U true CN205534354U (en) | 2016-08-31 |
Family
ID=56787149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620264212.5U Expired - Fee Related CN205534354U (en) | 2016-04-01 | 2016-04-01 | A pressure regulating guide mechanism for in high pressure pneumatic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605243A (en) * | 2016-04-01 | 2016-05-25 | 成都科盛石油科技有限公司 | Pressure-regulation pilot mechanism used in pneumatic system |
| CN109751417A (en) * | 2017-11-01 | 2019-05-14 | 浙江三花制冷集团有限公司 | A kind of guide electromagnetic valve |
-
2016
- 2016-04-01 CN CN201620264212.5U patent/CN205534354U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605243A (en) * | 2016-04-01 | 2016-05-25 | 成都科盛石油科技有限公司 | Pressure-regulation pilot mechanism used in pneumatic system |
| CN109751417A (en) * | 2017-11-01 | 2019-05-14 | 浙江三花制冷集团有限公司 | A kind of guide electromagnetic valve |
| CN109751417B (en) * | 2017-11-01 | 2020-03-06 | 浙江三花制冷集团有限公司 | Pilot-operated type electromagnetic valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205534354U (en) | A pressure regulating guide mechanism for in high pressure pneumatic system | |
| MX2012013845A (en) | Bi-fuel engine with increased power. | |
| CN205479649U (en) | Main valve guide device in decompression gas circuit | |
| CN105605243A (en) | Pressure-regulation pilot mechanism used in pneumatic system | |
| CN2806924Y (en) | Poppet valve pilot type ultra-high pneumatic proportional pressure-reducing valve | |
| CN107763296A (en) | For the pressure regulation pilot mechanism in pneumatic system | |
| CN105697854A (en) | Pilot device for main pressure reducing valve | |
| CN102062242A (en) | Gas pressure regulator | |
| CN201902627U (en) | Fuel gas pressure regulator | |
| CN205534440U (en) | High -pressure gas valve that reduces pressure | |
| CN205534441U (en) | There is not gas of leakage relief pressure valve | |
| CN104595498A (en) | Automobile pressure reducing valve | |
| CN203082301U (en) | Gas pressure reducer for mass flow | |
| CN203702373U (en) | Pressure reducer of gas-fueled vehicle | |
| CN105605275A (en) | Natural gas pressure reduction mechanism | |
| CN203868487U (en) | High-accuracy pressure regulating valve | |
| CN203847814U (en) | Pressure regulating valve with stable performance | |
| CN204533749U (en) | A kind of diaphragm type automobile decompression mechanism being convenient to protection diaphragm | |
| CN204533546U (en) | A kind ofly be convenient to the automobile pressure reducing valve limiting the highest outlet pressure | |
| CN201502409U (en) | Main steam valve of steam turbine | |
| CN201651342U (en) | Electric-control sensitive air pressure regulator | |
| CN105135018B (en) | A kind of natural gas pressure-reducing valve | |
| CN205534435U (en) | Be favorable to improving step -down main valve of pressure adjustment precision of giving vent to anger | |
| CN204922128U (en) | Do benefit to natural gas relief pressure valve of controlled pressure output precision | |
| CN107763274A (en) | A kind of decompression main valve for improving outlet pressure degree of regulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160831 Termination date: 20170401 |