CN203627965U - High-flow-rate two-stage gas pressure regulator - Google Patents
High-flow-rate two-stage gas pressure regulator Download PDFInfo
- Publication number
- CN203627965U CN203627965U CN201320766668.8U CN201320766668U CN203627965U CN 203627965 U CN203627965 U CN 203627965U CN 201320766668 U CN201320766668 U CN 201320766668U CN 203627965 U CN203627965 U CN 203627965U
- Authority
- CN
- China
- Prior art keywords
- voltage regulation
- cut
- valve
- level
- chamber
- 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
Images
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to a high-flow-rate two-stage gas pressure regulator, which comprises a casing with a gas inlet and a gas outlet. The high-flow-rate two-stage gas pressure regulator is characterized in that an inner cavity of the casing is divided into an inlet high-pressure cavity, a primary pressure regulating cavity, a secondary pressure regulating cavity and a cutting-off pressure cavity, the gas inlet is communicated with the inlet high-pressure cavity, the gas outlet is communicated with the secondary pressure regulating cavity, a primary pressure regulating structure is arranged between the inlet high-pressure cavity and the primary pressure regulating cavity, a secondary pressure regulating structure is arranged between the primary pressure regulating cavity and the secondary pressure regulating cavity, an overpressure diffusing structure is arranged in the secondary pressure regulating cavity, the secondary pressure regulating structure and the overpressure diffusing structure share a secondary pressure regulating membrane assembly, a diffusing valve rod in the overpressure diffusing structure is connected with a secondary pressure regulating valve core in the secondary pressure regulating structure, the cutting-out pressure cavity is directly communicated with the secondary pressure regulating cavity through a hole passage, and a cutting-off structure is arranged between the cutting-off pressure cavity and the inlet high-pressure cavity. The high-flow-rate two-stage gas pressure regulator has the advantages that under the condition of ensuring the appearance dimension of the original product, the maximum flow rate of the product is improved to 100 m<3>/h, and other properties respectively conform to national standards.
Description
Technical field
The utility model belongs to the technical field that hydrodynamic pressure is controlled automatically, relates in particular to a kind of for the large flow two-stage gas pressure regulator, governor on fuel gas transportation pipeline.
Background technique
Gas pressure regulator, governor belongs to a kind of reduction valve, is to make to export through the gas flow of modulating valve the equipment that combustion gas keeps authorized pressure by automatic change.Two kinds of what the gas pressure regulator, governor that uses was at present conventional have direct acting type pressure governor and indirect-action type pressure regulators, direct acting type pressure governor is divided into single-stage pressure governor and two-stage pressure-regulating device.Two-stage pressure-regulating device is by one-level pressuring adjusting valve base, one-level voltage regulation diaphragm assembly, one-level pressure adjusting spring and second voltage regulation valve seat, second voltage regulation diaphragm unit, second voltage regulation spring composition.By the aperture of the valve nozzle on regulating valve stem and valve port, realize the object of regulation output pressure.Second voltage regulation device is on the basis of single-stage pressure governor, to increase prime regulator.
The patent No. is that the Chinese utility model patent " a kind of two-stage gas pressure regulator " of ZL200820088708.7 (notification number is CN201218424Y) has disclosed so a kind of two-stage gas pressure regulator, comprise the housing with suction port and air outlet, housing, housing is built-in with the one-level pressure regulating cavity being connected with suction port and the second voltage regulation chamber being connected with air outlet, one-level pressure regulating cavity is equipped with one-level pressure regulation valve port, one-level pressure regulation slide bar, second voltage regulation chamber is equipped with pressure regulation second voltage regulation valve port, second voltage regulation slide bar, secondary pressure controlling mechanism, secondary diaphragm unit, second voltage regulation spring.In housing, be also equipped with slider block, first diaphragm assembly, one-level pressure adjusting spring, form mouth pressure feedback cavity between slider block and first diaphragm assembly left side, and right side forms first class pressure control chamber.
The flow maximum of two-stage pressure-regulating device is in the market at 70m
3/ h, the peak rate of flow of product is less.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of large flow two-stage gas pressure regulator, governor is provided for above-mentioned prior art present situation, this pressure governor compact design, and there is safety cut-off and superpressure diffusion function, in the situation that guaranteeing gas pressure regulator, governor performance, make output flow reach the flow 100m of medium-sized pressure governor
3/ h, has improved performance and the using scope of gas pressure regulator, governor.
The utility model solves the problems of the technologies described above adopted technological scheme: a kind of large flow two-stage gas pressure regulator, governor, comprise the housing with suction port and air outlet, it is characterized in that: described housing inner chamber is divided into import hyperbaric chamber, one-level pressure regulating cavity, second voltage regulation chamber and cut-out pressure chamber, wherein, described suction port is communicated with import hyperbaric chamber, air outlet is communicated with second voltage regulation chamber, between import hyperbaric chamber and one-level pressure regulating cavity, be provided with one-level pressure adjusting structure, between one-level pressure regulating cavity and second voltage regulation chamber, be provided with second voltage regulation structure, in second voltage regulation chamber, be provided with superpressure and diffuse structure, described second voltage regulation structure and superpressure are diffused structure and are shared a second voltage regulation diaphragm unit, the valve rod that diffuses that this superpressure is diffused in structure is connected with the second voltage regulation spool in second voltage regulation structure, described cut-out pressure chamber is directly communicated with second voltage regulation chamber passing hole channel, between cut-out pressure chamber and import hyperbaric chamber, be provided with cut-out structure, under the excessive state of outlet pressure, this cut-out structure can be cut off the connection between import hyperbaric chamber and one-level pressure regulating cavity.
Above-mentioned one-level pressure adjusting structure comprises one-level pressuring adjusting valve base, one-level voltage regulation diaphragm assembly, one-level pressure adjusting spring and one-level adjusting pressuring valve core, described one-level adjusting pressuring valve core has the axial passage that is communicated with import hyperbaric chamber and one-level pressure regulating cavity, the outlet end of axial passage is as one-level pressure regulation valve port, one-level adjusting pressuring valve core is located on one-level pressuring adjusting valve base and slippage before and after energy, the top of one-level pressuring adjusting valve base is provided with one-level pressure regulation valve port pad, in one-level pressuring adjusting valve base, be provided with the Returnning spring that acts on one-level adjusting pressuring valve core, this Returnning spring makes one-level adjusting pressuring valve core keep reach allow one-level pressure regulation valve port and the close trend of one-level pressure regulation valve port pad, described one-level voltage regulation diaphragm assembly is arranged in one-level pressure regulating cavity, one-level pressure adjusting spring acts on one-level voltage regulation diaphragm module back, between one-level voltage regulation diaphragm assembly and one-level adjusting pressuring valve core by the many push rods that are located in one-level pressuring adjusting valve base roof.This one-level pressure adjusting structure reasonable in design, and compact structure.
Above-mentioned cut-out structure comprises cut-out valve seat, lock, cut off valve rod, cut off diaphragm unit, cut off spool and the first adjusting nut, cutting off valve seat is located between import hyperbaric chamber and cut-out pressure chamber, cutting off valve rod is located on cut-out valve seat and energy slippage, the front end that cuts off valve rod is provided with and cuts off valve port pad, the entrance point of described axial passage is as cutting off valve port, cut off the front end of valve rod and cut off between valve seat and be provided with cut-out Returnning spring, this cut-out Returnning spring makes to cut off valve rod and keeps reach to block described cut-out valve port trend, cutting off diaphragm unit is located in cut-out pressure chamber, lock is arranged on also can be with cutting off diaphragm unit front and back slippage on cut-out diaphragm unit, the rear end that cuts off valve seat is located in lock, the sidewall that cuts off valve seat is provided with perforation, in perforation, be provided with locking steel ball, this locking steel ball is between lock inner hole wall and cut-out valve rod, on described cut-out valve rod, have and the locking slot that locks steel ball and coordinate, described the first adjusting nut and cut-out spool are positioned at and cut off diaphragm unit rear portion, the first adjusting nut is threaded on housing, cut off spool and constrain in slippage before and after energy in housing, between the first adjusting nut and cut-out spool, hold cut-out Regulation spring, the rear end of lock is located in cut-off valve in-core, between lock and cut-out spool, contact cooperation.
Above-mentioned second voltage regulation structure comprises second voltage regulation valve seat, second voltage regulation diaphragm unit, second voltage regulation spring and second voltage regulation spool, described second voltage regulation valve seat has the second voltage regulation valve port that is communicated with one-level pressure regulating cavity and second voltage regulation chamber, described second voltage regulation spool is located on second voltage regulation valve seat and slippage before and after energy, the top of second voltage regulation spool is provided with second voltage regulation valve port pad, described second voltage regulation diaphragm unit is arranged in second voltage regulation chamber, and second voltage regulation spring action is in second voltage regulation diaphragm unit top, described superpressure is diffused structure and is comprised and diffuse valve seat, diffuse valve rod, diffuse spring and above-mentioned second voltage regulation diaphragm unit, the described valve seat that diffuses is fixed on second voltage regulation diaphragm unit, diffusing valve seat is provided with and diffuses valve port, diffusing valve rod is located in and diffuses in valve seat and can upper and lower slippage, diffusing valve rod is provided with and the diffusion valve mouth sealing ring that diffuses valve port and coordinate, the described spring housing that diffuses is located at and diffuses on valve rod, and make to diffuse valve rod and keep moving and allowing diffusion valve mouth sealing ring block the trend of diffusing valve port, the described spring that diffuses is greater than to the power of diffusing valve rod and applying the power that second voltage regulation spring applies second voltage regulation diaphragm unit, the lower end of diffusing valve rod is connected with described second voltage regulation spool by the lever being rotatably connected in second voltage regulation chamber, on the housing of described second voltage regulation diaphragm unit top, have and be communicated with extraneous pneumostome.This second voltage regulation structure and superpressure are diffused structure and are had certain relevance, and some parts that second voltage regulation structure and superpressure are diffused in structure share, and simplified structure, makes pressure governor internal structure more compact.
The housing internal thread of above-mentioned second voltage regulation diaphragm unit top is connected with the second adjusting nut, and described second voltage regulation spring supporting is between second voltage regulation diaphragm unit and the second adjusting nut.This structure regulates the balance pressure in second voltage regulation chamber by rotation the second adjusting nut.
Compared with prior art, the utility model has the advantage of: combustion gas enters cut-out pressure chamber by suction port, then, by the decompression of one-level pressure adjusting structure, enter second voltage regulation structure, finally flow out by air outlet, in the middle of second voltage regulation chamber and air outlet, be provided with superpressure and diffuse structure, second voltage regulation chamber is connected with cut-out pressure chamber simultaneously, can not effectively work at pressure governor, while going out atmospheric pressure rising, superpressure is diffused structure and is emitted unnecessary gas, so that outlet pressure remains on a fixed value, if outlet pressure continues to raise, cut off structure and will cut off inlet gas, exceed range of working pressure and damage with the equipment after protection pressure governor, we are by the design of this structure, in the situation that guaranteeing original product boundary dimension (210*170*210), the peak rate of flow that improves product is 100m
3/ h, other performances all meet NBS.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is that the E-E of Fig. 1 is to sectional view;
Fig. 3 is that the F-F of Fig. 1 is to sectional view.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figures 1 to 3, be a preferred embodiment of the present utility model.
A kind of large flow two-stage gas pressure regulator, governor, comprises the housing 1 with suction port 11 and air outlet 12, and housing 1 is formed by connecting by multiple parts.
Housing inner chamber is divided into import hyperbaric chamber A, one-level pressure regulating cavity B, second voltage regulation chamber C and cut-out pressure chamber D, wherein, suction port 11 is communicated with import hyperbaric chamber A, air outlet 12 is communicated with second voltage regulation chamber C, between import hyperbaric chamber A and one-level pressure regulating cavity B, be provided with one-level pressure adjusting structure, between one-level pressure regulating cavity B and second voltage regulation chamber C, be provided with second voltage regulation structure, in the C of second voltage regulation chamber, be provided with superpressure and diffuse structure, second voltage regulation structure and superpressure are diffused structure and are shared a second voltage regulation diaphragm unit 19, the valve rod 24 that diffuses that this superpressure is diffused in structure is connected with the second voltage regulation spool 22 in second voltage regulation structure, cut-out pressure chamber D is directly communicated with second voltage regulation chamber C passing hole channel 13, between cut-out pressure chamber D and import hyperbaric chamber A, be provided with cut-out structure, under the excessive state of outlet pressure, this cut-out structure can be cut off the connection between import hyperbaric chamber A and one-level pressure regulating cavity B.
One-level pressure adjusting structure comprises one-level pressuring adjusting valve base 2, one-level voltage regulation diaphragm assembly 3, one-level pressure adjusting spring 4 and one-level adjusting pressuring valve core 5, one-level adjusting pressuring valve core 5 has the axial passage 51 that is communicated with import hyperbaric chamber A and one-level pressure regulating cavity B, the outlet end of axial passage 51 is as one-level pressure regulation valve port 511, one-level adjusting pressuring valve core 5 is located on one-level pressuring adjusting valve base 2 and slippage before and after energy, the top of one-level pressuring adjusting valve base 2 is provided with one-level pressure regulation valve port pad 21, in one-level pressuring adjusting valve base 2, be provided with the Returnning spring 4 that acts on one-level adjusting pressuring valve core 5, this Returnning spring 4 makes one-level adjusting pressuring valve core 5 keep reach allow the close trend of one-level pressure regulation valve port 511 and one-level pressure regulation valve port pad 21, one-level voltage regulation diaphragm assembly 3 is arranged in one-level pressure regulating cavity B, one-level pressure adjusting spring 4 acts on one-level voltage regulation diaphragm assembly 3 rear portions, between one-level voltage regulation diaphragm assembly 3 and one-level adjusting pressuring valve core 5 by the many push rods 6 that are located in one-level pressuring adjusting valve base 2 roofs.
Cut off structure and comprise cut-out valve seat 7, lock 8, cut off valve rod 9, cut off diaphragm unit 10, cut off spool 14 and the first adjusting nut 15, cutting off valve seat 7 is located between import hyperbaric chamber A and cut-out pressure chamber D, cutting off valve rod 9 is located on cut-out valve seat 7 and energy slippage, the front end that cuts off valve rod 9 is provided with and cuts off valve port pad 91, the entrance point of axial passage 51 is as cutting off valve port 512, cut off the front end of valve rod 9 and cut off between valve seat 7 and be provided with and cut off Returnning spring 16, this cut-out Returnning spring 16 makes to cut off valve rod 9 and keeps reach to block cut-out valve port 512 trend, cutting off diaphragm unit 10 is located in the D of cut-out pressure chamber, lock 8 is arranged on also can be with cutting off diaphragm unit 10 front and back slippages on cut-out diaphragm unit 10, the rear end that cuts off valve seat 7 is located in lock 8, the sidewall that cuts off valve seat 7 is provided with perforation 71, in perforation 71, be provided with locking steel ball 72, this locking steel ball 72 is between lock 8 inner hole walls and cut-out valve rod 9, cut off and have on valve rod 9 and the locking slot 92 that locks steel ball 72 and coordinate, lock 8 inner hole walls have protuberance, under the state that protuberance contacts with locking steel ball 72, locking steel ball 72 is positioned at locking slot 92, realize the locking to cutting off spool 14, the first adjusting nut 15 and cut-out spool 14 are positioned at and cut off diaphragm unit 10 rear portions, the first adjusting nut 15 is threaded on housing 1, cut off spool 14 and constrain in the interior energy front and back slippage of housing 1, between the first adjusting nut 15 and cut-out spool 14, hold and cut off Regulation spring 17, the rear end of lock 8 is located in and cuts off in spool 14, between lock 8 and cut-out spool 14, contact cooperation.Under the D pressure normal state of cut-out pressure chamber, locking steel ball 72 is positioned at locking slot 91 to make to cut off valve port pad 91 by cut-outs valve rod 9 locking and keeps separation trend with cut-out valve port 512, under the D overpressure state of cut-out pressure chamber, after cutting off spool 14, move, the go out of lock protuberance constraint of device 8 inner hole walls of locking steel ball 72, make to lock steel ball 72 groove 92 that goes out of lock, cut off valve rod 9 and make to cut off valve port pad 91 and cut off valve port 512 contact cuts cutting off reach under Returnning spring 16 effects.
Second voltage regulation structure comprises second voltage regulation valve seat 18, second voltage regulation diaphragm unit 19, second voltage regulation spring 20 and second voltage regulation spool 22, second voltage regulation valve seat 18 has the second voltage regulation valve port 181 that is communicated with one-level pressure regulating cavity B and second voltage regulation chamber C, second voltage regulation spool 22 is located on second voltage regulation valve seat 18 and slippage before and after energy, the top of second voltage regulation spool 22 is provided with second voltage regulation valve port pad 221, second voltage regulation diaphragm unit 19 is arranged in the C of second voltage regulation chamber, and second voltage regulation spring 20 acts on second voltage regulation diaphragm unit 19 tops.
Superpressure is diffused structure and is comprised and diffuse valve seat 23, diffuse valve rod 24, diffuse spring 25 and above-mentioned second voltage regulation diaphragm unit 19, diffusing valve seat 23 is fixed on second voltage regulation diaphragm unit 19, diffusing valve seat 23 is provided with and diffuses valve port 231, diffusing valve rod 24 is located in and diffuses in valve seat 23 and can upper and lower slippage, diffusing valve rod 24 is provided with and the diffusion valve mouth sealing ring 241 that diffuses valve port 231 and coordinate, diffusing spring 25 is set in and diffuses on valve rod 24, and make to diffuse valve rod 24 and keep moving allowing diffusion valve mouth sealing ring 241 block the trend of diffusing valve port 231, diffuse spring 25 power of diffusing valve rod 24 and applying is greater than to the power that second voltage regulation spring 20 applies second voltage regulation diaphragm unit 19, the lower end of diffusing valve rod 24 is connected with above-mentioned second voltage regulation spool 22 by the lever 26 being rotatably connected in the C of second voltage regulation chamber, on the housing 1 of second voltage regulation diaphragm unit 19 tops, have and be communicated with extraneous pneumostome 29.Housing 1 internal thread of second voltage regulation diaphragm unit 19 tops is connected with the second adjusting nut 27, and second voltage regulation spring 20 is supported between second voltage regulation diaphragm unit 19 and the second adjusting nut 27.
Combustion gas enters cut-out pressure chamber D by suction port 11, then, by the decompression of one-level pressure adjusting structure, enters second voltage regulation structure, finally flows out by air outlet 12; In the middle of second voltage regulation chamber C and air outlet 12, be provided with superpressure and diffuse structure; second voltage regulation chamber C is connected with cut-out pressure chamber D simultaneously; can not effectively work at pressure governor; while going out atmospheric pressure rising; superpressure is diffused structure and is emitted unnecessary gas, so that outlet pressure remains on a fixed value, if outlet pressure continues to raise; cut off structure and will cut off inlet gas, to protect the equipment after pressure governor exceed range of working pressure and damage.
Claims (5)
1. a large flow two-stage gas pressure regulator, governor, comprise the there is suction port housing (1) of (11) and air outlet (12), it is characterized in that: described housing inner chamber is divided into import hyperbaric chamber (A), one-level pressure regulating cavity (B), second voltage regulation chamber (C) and cut-out pressure chamber (D), wherein, described suction port (11) is communicated with import hyperbaric chamber (A), air outlet (12) is communicated with second voltage regulation chamber (C), between import hyperbaric chamber (A) and one-level pressure regulating cavity (B), be provided with one-level pressure adjusting structure, between one-level pressure regulating cavity (B) and second voltage regulation chamber (C), be provided with second voltage regulation structure, in second voltage regulation chamber (C), be provided with superpressure and diffuse structure, described second voltage regulation structure and superpressure are diffused structure and are shared a second voltage regulation diaphragm unit (19), the valve rod (24) that diffuses that this superpressure is diffused in structure is connected with the second voltage regulation spool (22) in second voltage regulation structure, described cut-out pressure chamber (D) is directly communicated with second voltage regulation chamber (C) passing hole channel (13), between cut-out pressure chamber (D) and import hyperbaric chamber (A), be provided with cut-out structure, under the excessive state of outlet pressure, this cut-out structure can be cut off the connection between import hyperbaric chamber (A) and one-level pressure regulating cavity (B).
2. large flow two-stage gas pressure regulator, governor according to claim 1, it is characterized in that: described one-level pressure adjusting structure comprises one-level pressuring adjusting valve base (2), one-level voltage regulation diaphragm assembly (3), one-level pressure adjusting spring (4) and one-level adjusting pressuring valve core (5), one-level adjusting pressuring valve core (5) has the axial passage (51) that is communicated with import hyperbaric chamber (A) and one-level pressure regulating cavity (B), the outlet end of axial passage (51) is as one-level pressure regulation valve port (511), one-level adjusting pressuring valve core (5) is located in the front and back slippage of the upper also energy of one-level pressuring adjusting valve base (2), the top of one-level pressuring adjusting valve base (2) is provided with one-level pressure regulation valve port pad (21), in one-level pressuring adjusting valve base (2), be provided with the Returnning spring (4) that acts on one-level adjusting pressuring valve core (5), this Returnning spring (4) makes one-level adjusting pressuring valve core (5) keep reach allow the close trend of one-level pressure regulation valve port (511) and one-level pressure regulation valve port pad (21), described one-level voltage regulation diaphragm assembly (3) is arranged in one-level pressure regulating cavity (B), one-level pressure adjusting spring (4) acts on one-level voltage regulation diaphragm assembly (3) rear portion, between one-level voltage regulation diaphragm assembly (3) and one-level adjusting pressuring valve core (5) by the many push rods (6) that are located in one-level pressuring adjusting valve base (2) roof.
3. large flow two-stage gas pressure regulator, governor according to claim 2, it is characterized in that: described cut-out structure comprises cuts off valve seat (7), lock (8), cut off valve rod (9), cut off diaphragm unit (10), cut off spool (14) and the first adjusting nut (15), described cut-out valve seat (7) is located between import hyperbaric chamber (A) and cut-out pressure chamber (D), cut off valve rod (9) and be located in the slippage of the upper also energy of cut-out valve seat (7), the front end that cuts off valve rod (9) is provided with and cuts off valve port pad (91), the entrance point of described axial passage (51) is as cutting off valve port (512), cut off the front end of valve rod (9) and cut off between valve seat (7) and be provided with and cut off Returnning spring (16), this cut-out Returnning spring (16) makes to cut off valve rod (9) and keeps reach to block described cut-out valve port (512) trend, cutting off diaphragm unit (10) is located in cut-out pressure chamber (D), lock (8) is arranged on cut-out diaphragm unit (10) above and can be with cutting off diaphragm unit (10) front and back slippage, the rear end that cuts off valve seat (7) is located in lock (8), the sidewall that cuts off valve seat (7) is provided with perforation (71), in perforation (71), be provided with locking steel ball (72), this locking steel ball (72) is positioned at lock (8) inner hole wall and cuts off between valve rod (9), on described cut-out valve rod (9), have and the locking slot (92) that locks steel ball (72) and coordinate, described the first adjusting nut (15) and cut-out spool (14) are positioned at and cut off diaphragm unit (10) rear portion, the first adjusting nut (15) is threaded on housing (1), cut off spool (14) and constrain in slippage before and after energy in housing (1), between the first adjusting nut (15) and cut-out spool (14), hold cut-out Regulation spring (17), the rear end of lock (8) is located in and cuts off in spool (14), between lock (8) and cut-out spool (14), contact cooperation.
4. according to the arbitrary described large flow two-stage gas pressure regulator, governor of claim 1～3, it is characterized in that: described second voltage regulation structure comprises second voltage regulation valve seat (18), second voltage regulation diaphragm unit (19), second voltage regulation spring (20) and second voltage regulation spool (22), described second voltage regulation valve seat (18) has the second voltage regulation valve port (181) that is communicated with one-level pressure regulating cavity (B) and second voltage regulation chamber (C), described second voltage regulation spool (22) is located in the front and back slippage of the upper also energy of second voltage regulation valve seat (18), the top of second voltage regulation spool (22) is provided with second voltage regulation valve port pad (221), described second voltage regulation diaphragm unit (19) is arranged in second voltage regulation chamber (C), second voltage regulation spring (20) acts on second voltage regulation diaphragm unit (19) top, described superpressure is diffused structure and is comprised and diffuse valve seat (23), diffuse valve rod (24), diffuse spring (25) and above-mentioned second voltage regulation diaphragm unit (19), the described valve seat (23) that diffuses is fixed on second voltage regulation diaphragm unit (19), diffusing valve seat (23) is provided with and diffuses valve port (231), diffusing valve rod (24) is located in and diffuses in valve seat (23) and can upper and lower slippage, diffusing valve rod (24) is provided with and the diffusion valve mouth sealing ring (241) that diffuses valve port (231) and coordinate, the described spring (25) that diffuses is set in and diffuses on valve rod (24), and make to diffuse in valve rod (24) maintenance and move and allow diffusion valve mouth sealing ring (241) block the trend of diffusing valve port (231), the described spring (25) that diffuses is greater than to the power of diffusing valve rod (24) and applying the power that second voltage regulation spring (20) applies second voltage regulation diaphragm unit (19), the lower end of diffusing valve rod (24) is connected with described second voltage regulation spool (22) by the lever (26) being rotatably connected in second voltage regulation chamber (C), on the housing (1) of described second voltage regulation diaphragm unit (19) top, have and be communicated with extraneous pneumostome (29).
5. large flow two-stage gas pressure regulator, governor according to claim 4, it is characterized in that: housing (1) internal thread of described second voltage regulation diaphragm unit (19) top is connected with the second adjusting nut (27), and described second voltage regulation spring (20) is supported between second voltage regulation diaphragm unit (19) and the second adjusting nut (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766668.8U CN203627965U (en) | 2013-11-28 | 2013-11-28 | High-flow-rate two-stage gas pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766668.8U CN203627965U (en) | 2013-11-28 | 2013-11-28 | High-flow-rate two-stage gas pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627965U true CN203627965U (en) | 2014-06-04 |
Family
ID=50814445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320766668.8U Expired - Fee Related CN203627965U (en) | 2013-11-28 | 2013-11-28 | High-flow-rate two-stage gas pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627965U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265961A (en) * | 2014-08-26 | 2015-01-07 | 乐山山鹰燃气输配控制技术有限公司 | Gas pressure regulator |
| CN104565800A (en) * | 2014-12-31 | 2015-04-29 | 上海空间推进研究所 | High-pressure gas bottle as well as gas discharge structure and gas discharge method thereof |
| CN108679291A (en) * | 2018-06-12 | 2018-10-19 | 浙江苍南仪表集团东星能源科技有限公司 | Gas pressure regulator, governor |
-
2013
- 2013-11-28 CN CN201320766668.8U patent/CN203627965U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265961A (en) * | 2014-08-26 | 2015-01-07 | 乐山山鹰燃气输配控制技术有限公司 | Gas pressure regulator |
| CN104565800A (en) * | 2014-12-31 | 2015-04-29 | 上海空间推进研究所 | High-pressure gas bottle as well as gas discharge structure and gas discharge method thereof |
| CN104565800B (en) * | 2014-12-31 | 2016-08-17 | 上海空间推进研究所 | Gas cylinder and deflation structure thereof and bleed method |
| CN108679291A (en) * | 2018-06-12 | 2018-10-19 | 浙江苍南仪表集团东星能源科技有限公司 | Gas pressure regulator, governor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201255257Y (en) | Power constant control valve | |
| CN203627965U (en) | High-flow-rate two-stage gas pressure regulator | |
| CN109185516A (en) | A kind of lever gas pressure regulator, governor | |
| CN110792816A (en) | Novel integrated multifunctional pressure reducing valve | |
| CN205938020U (en) | Safety is diffused, a safety cut -off balanced valve formula building gas pressure regulator | |
| CN2869505Y (en) | Safety protecting device for gas pressure regulator | |
| CN103615582A (en) | Pressure reduction valve | |
| CN203067877U (en) | Pressure reducing valve | |
| CN2382918Y (en) | Three stage directly function reversal pressure reducing valve for compressed natural gas automobile | |
| CN209325117U (en) | A kind of lever gas pressure regulator, governor | |
| CN208442307U (en) | A kind of threeway is without valve type gas safe diffusion valve living | |
| CN215487866U (en) | Pressure reducing valve with countercurrent function | |
| CN201884728U (en) | Gas pressure regulator | |
| CN210461825U (en) | Gas safety relief valve | |
| CN205207817U (en) | Case steady voltage gas pressure regulator | |
| CN208204113U (en) | A kind of pressure regulator of internal cut-off valve | |
| CN204253217U (en) | Atmospheric pressure balanced type single-stage vehicle fuel pressure reducing regulator | |
| CN207906539U (en) | A kind of outer pressure guiding gas pressure regulator, governor | |
| CN114396568A (en) | Internal-pressure buried pressure regulating device | |
| CN208381412U (en) | Gas pressure regulator, governor Safety relief valve | |
| CN202811143U (en) | Electric fuel pump of integrated pressure regulating valve | |
| CN209892815U (en) | Trace discharge device of air pressure load type gas pressure regulator | |
| CN207316177U (en) | A kind of integrated form valve body | |
| CN102032370B (en) | Overpressure closing valve | |
| CN205013427U (en) | Novel pressure reducing valve |
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 |
Granted publication date: 20140604 Termination date: 20151128 |