CN204437392U - The front pressure governor of family table is compressed in a kind of super decompression inflow-rate of water turbine tripping protection - Google Patents
The front pressure governor of family table is compressed in a kind of super decompression inflow-rate of water turbine tripping protection Download PDFInfo
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- CN204437392U CN204437392U CN201520097041.7U CN201520097041U CN204437392U CN 204437392 U CN204437392 U CN 204437392U CN 201520097041 U CN201520097041 U CN 201520097041U CN 204437392 U CN204437392 U CN 204437392U
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Abstract
The utility model belongs to fuel gas transmission equipment technical field, discloses in a kind of super decompression inflow-rate of water turbine tripping protection and compresses into the front pressure governor of family table.Its technical characteristics is: comprise the housing with import and outlet, is provided with valve port, epithelium, pallet, homophony spring, homophony nut, connecting sleeve, cut-out ectosome, dropout slip endosome, cuts off spring, cuts off adjusting nut, main valve stem, steel ball, reseting handle, central spacer, turriform spring, drive link, live valve with cutting off and regulate valve core rod, the pressing plate of valve of living in housing.The front pressure governor of family table is compressed in this super decompression inflow-rate of water turbine tripping protection; excess pressure cutout relies on the mechanical trip system in counter balance pocket namely to cut off ectosome, steel ball, dropout slip endosome, cut off spring, cut off the compositions such as adjusting nut, can realize automatic overvoltage and cut off decompression cutting function.
Description
Technical field
The utility model belongs to fuel gas transmission equipment technical field, particularly relates in a kind of super decompression inflow-rate of water turbine tripping protection and compresses into the front pressure governor of family table.
Background technique
Gas pressure regulator, governor is specially adapted for the Gas Regulator as pressure regulation, voltage stabilizing in gas transmission and distribution system, is widely used in gas transmission and distribution engineering.It is a kind of self-supporting regulation valve, and its effect is without the need to additionaling power source, only relies on the energy autonomous travel of controlled fluid, and keeps controlled fluid to make it be stabilized in a certain typical pressure range, meet user's usage requirement.Compressing into family pressure governor in this type of current use is not with hyper-pressure pressure-loss to cut off, and easily cause the accident hidden danger.
Model utility content
The technical problems to be solved in the utility model is just to provide a kind of can realization and compresses into table front pressure governor in family in the super decompression inflow-rate of water turbine tripping protection of excess pressure cutout decompression cut-out.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: comprise the housing with import and outlet, valve port is provided with in housing, epithelium, pallet, homophony spring and homophony nut is provided with above pallet, described pallet is provided with the connecting sleeve with V-shaped seal ring and gland nut, connecting sleeve is connected with cut-out ectosome, cut off ectosome inboard and be provided with dropout slip endosome, dropout slip endosome top is provided with and cuts off spring and cut off adjusting nut, be provided with to cut off between cut-out adjusting nut and housing and regulate setting sleeve, main valve stem is through connecting sleeve, cut off ectosome, dropout slip endosome, cut off spring and cut off adjusting nut, main valve stem is provided with the domatic groove placing steel ball, dropout slip endosome has steel ball through hole, cut off on ectosome and be provided with the bulge loop matched with steel ball through hole, main valve stem top is provided with reseting handle, main valve stem bottom is through central spacer and cover has turriform spring, be connected with drive link bottom main valve stem, drive link with cut off live valve and regulate work valve valve core rod be connected, cutting off valve of living is separately positioned on outside valve port and inner side with adjustment valve alive, the pressing plate matched with drive link is provided with in housing.
Its additional technical feature is: the top of described housing is provided with protective housing;
Described outlet is the first outlet and the second outlet two, and the first outlet is 90o angle with import, and the second outlet is 180o angle with import;
Described inlet is provided with import locknut, import rectangular seal pad and with externally threaded inlet tube jointing, and outlet port is provided with outlet locknut, outlet rectangular seal pad and with externally threaded outer pipe jointing.
One provided by the utility model surpasses in decompression inflow-rate of water turbine tripping protection compresses into the front pressure governor of family table; under normal circumstances; steel ball is cut off the domatic groove of bulge loop shutoff on main valve stem on ectosome and the steel ball through hole of dropout slip endosome, main valve stem, dropout slip endosome, cuts off ectosome and becomes as a whole by steel ball.
Before gas user is not ventilated, pressure governor is in nature dissengaged positions.Nature dissengaged positions gives pallet by homophony spring and drives V-shaped seal ring, gland nut, epithelium, connecting sleeve, cut-out ectosome, steel ball, dropout slip endosome, cuts off spring, cuts off the downward thrust of adjusting nut, reseting handle, the displacement vertically downward of simultaneous linkage main valve stem, drive link, under leverage, the tail end of drive link axially pulls valve core rod, cut off valve of living naturally to coincide at the entrance point of single-blade double-action valve port, form self-closing dissengaged positions.
When user needs ventilation, manually mention reseting handle, pallet drives V-shaped seal ring, gland nut, epithelium, connecting sleeve, cut off ectosome, steel ball, dropout slip endosome, cut off spring, cut-out adjusting nut moves up, simultaneous linkage main valve stem, drive link is displacement vertically upward, under leverage, the tail end of drive link axially promotes valve core rod, cut off the entrance point that valve of living departs from valve port, source of the gas can lead to housing by valve port immediately, be full of in the cavity under epithelium, under this effect, gas impels epithelium balance sysmte interlock to top offset, the tail end of drive link continues axially to promote valve core rod, valve of living is regulated naturally to coincide in the outlet side of valve port, in cavity now under epithelium, gas is closing pressure.
When user's gas, cavity internal pressure under epithelium is unbalance, pressure is lower than the power of homophony spring, epithelium balance sysmte interlock is to bottom offset, the tail end of drive link axially pulls valve core rod, regulate valve of living naturally to depart from valve port, now natural gas leads to downstream user gas point by valve port, and pressure governor meets user's gas by mechanical back and forth movement like this.
When operating pressure governor causes decompression because other reason or sebific duct come off, epithelium balance sysmte to fall sharply drive drive link along with air pressure, and drive link tail end axially pulls valve core rod, cuts off valve of living and naturally coincide at the entrance point of valve port, form self-closing dissengaged positions.And during operating pressure governor stopping air feed, when reaching capacity after the pressure caused because of equipment failure exceeds standard setting pressure, drive link tail end axially promotes valve core rod, valve of living is regulated to close at the outlet end of valve port, cause drive link under the cooperation of pressing plate together with main valve stem, steel ball, cut off spring, cut off adjusting nut formation and locate motionless reaching capacity, now epithelium balance sysmte parts V-shaped seal ring, gland nut, epithelium, pallet, connecting sleeve, cut off the power that ectosome power upwards under gas effect is greater than homophony spring downward, formed overall to top offset, cut off ectosome compression and cut off spring, cut-out spring is unbalance, cut off on ectosome and move, the bulge loop cutting off ectosome leaves the steel ball through hole of dropout slip endosome, steel ball slides along the domatic of the domatic groove on main valve stem towards the steel ball through hole of dropout slip endosome, steel ball lost efficacy to main valve stem, main valve stem is threaded off, now tower spring gives drive link the power pressed down, drive valve core rod, cut off valve of living at once to coincide and reach cutting function at the entry end of valve port.
One provided by the utility model surpasses in decompression inflow-rate of water turbine tripping protection compresses into the front pressure governor of family table, excess pressure cutout relies on the mechanical trip system in counter balance pocket namely to cut off ectosome, steel ball, dropout slip endosome, cut off spring, cut off the compositions such as adjusting nut, pressure governor causes mechanical trip system to form a displacement when superpressure, steel ball discharges, cause main valve stem unbalance downslide under the drive of tower spring, valve of the adjustment of two valve components being lived departs from single-blade double-action valve port, cut-out valve alive is impelled naturally to be displaced to single-blade double-action valve port entrance point, excess pressure cutout immediately.Decompression cut-out leans on pallet, epithelium driving mechanical tripping system, main valve stem to move down, and valve of the adjustment of two valve components being lived departs from single-blade double-action valve port, impels cut-out valve alive to be naturally displaced to the decompression cut-out immediately of single-blade double-action valve port entrance point.Realize automatic overvoltage and cut off decompression cutting function.And the top of housing is provided with protective housing, play a protective role.
One provided by the utility model surpasses in decompression inflow-rate of water turbine tripping protection compresses into the front pressure governor of family table, and outlet is the first outlet and the second outlet two, and the first outlet is 90o angle with import, and the second outlet and import are 180o angle.Optionally can export, connect easy replacing easy.The outlet sealing gasket do not used and blanking cover shutoff.The Connecting format of import and outlet is outer M30X1.5 outside thread.This pressure governor frame material is pack alloy, plastic-blasting again after surface oxidation treatment.With externally threaded inlet tube jointing, with externally threaded outer pipe jointing, its external admission line docking form is G1/2 " outside thread; be convenient to be connected with general malleable iron component; nipple tip and pressure governor connection part; for inlaying sealing gasket outward; anti-seal pad comes off misconstruction, while Drop-proof top can play again and import and export dislocation effect with pressure governor lower shell body.And center is 13mm vent, material is low carbon steel.Rectangular inlet sealing gasket, exit seal mat material matter are nitrile butadiene rubber or fluorine glue.Import locknut is internal thread M30X1.5 thread forms with outlet locknut inside, outside is 34X34 all directions, be convenient to dock with pressure governor, center hole is φ 22.5, for fixing with externally threaded inlet tube jointing, with externally threaded outer pipe jointing and compress with externally threaded inlet tube jointing, with externally threaded outer pipe jointing, school political affairs concentric form, material is low carbon steel.
Accompanying drawing explanation
Fig. 1 is the structural representation compressing into table front pressure governor in family in a kind of super decompression inflow-rate of water turbine tripping protection of the utility model;
Fig. 2 is the structural representation of main valve stem.
Embodiment
Below in conjunction with accompanying drawing, the structure and working principle of compressing into table front pressure governor in family in a kind of super decompression inflow-rate of water turbine tripping protection of the utility model are described in further details.
As shown in Figure 1, before compressing into family table in a kind of super decompression inflow-rate of water turbine tripping protection of the utility model, pressure governor comprises housing 1, housing 1 is with import 2 and outlet 3, valve port 4 is provided with in housing 1, epithelium 5, pallet 6, pallet 6 is provided with homophony spring 7 above, homophony nut 8, pallet 6 is provided with the connecting sleeve 11 with V-shaped seal ring 9 and gland nut 10, connecting sleeve 11 is connected with cut-out ectosome 12, cut off ectosome 12 inboard and be provided with dropout slip endosome 13, dropout slip endosome 13 top is provided with and cuts off spring 14 and cut off adjusting nut 15, be provided with to cut off between cut-out adjusting nut 15 and housing 1 and regulate setting sleeve 16, main valve stem 17 is through connecting sleeve 11, cut off ectosome 12, dropout slip endosome 13, cut off spring 14 and cut off adjusting nut 15, main valve stem 17 top is provided with reseting handle 18, main valve stem 17 bottom is through central spacer 19 and cover has turriform spring 20, be connected with drive link 21 bottom main valve stem 17, drive link 21 with cut off live valve 22 and regulate work valve 23 valve core rod 24 be connected, cutting off valve 22 of living is separately positioned on outside valve port 4 and inner side with adjustment valve 23 alive, the pressing plate 25 matched with drive link 21 is provided with in housing 1, the top of housing 1 is provided with protective housing 26, outlet 3 is the first outlet 301 and the second outlet 302 two, first outlet 301 and import 2 are in 90o angle, second outlet 302 is 180o angle with import, import 2 place is provided with import locknut 27, import rectangular seal pad 28 and with externally threaded inlet tube jointing 29, second outlet 302 places are provided with outlet locknut 30, outlet rectangular seal pad 31 and with externally threaded outer pipe jointing 32, first outlet 301 places are provided with sealing gasket 33 and blanking cover 34.
As shown in Figure 2, main valve stem 17 is provided with the domatic groove 36 placing steel ball 35, and dropout slip endosome 13 has steel ball through hole 37, cuts off on ectosome 12 and is provided with the bulge loop 38 matched with steel ball through hole 37.
One provided by the utility model surpasses in decompression inflow-rate of water turbine tripping protection compresses into the front pressure governor of family table; under normal circumstances; steel ball 35 is cut off the domatic groove 36 of bulge loop 38 shutoff on main valve stem 17 on ectosome 12 and steel ball through hole 37 place of dropout slip endosome 13, and main valve stem 17, dropout slip endosome 13, to cut off ectosome 12 as a whole by steel ball 35 one-tenth.
Before gas user is not ventilated, pressure governor is in nature dissengaged positions.By homophony spring 7, nature dissengaged positions gives that pallet 6 drives V-shaped seal ring 9, gland nut 10, epithelium 5, connecting sleeve 11, cuts off ectosome 12, steel ball 35, dropout slip endosome 13, cut off spring 14, cut off the downward thrust of adjusting nut 15, reseting handle 18, simultaneous linkage main valve stem 17, drive link 21 displacement vertically downward, under leverage, the tail end of drive link 21 axially pulls valve core rod 24, cut off valve 22 of living naturally to coincide at the entrance point of single-blade double-action valve port 4, form self-closing dissengaged positions.
When user needs ventilation, manually mention reseting handle 18, pallet 6 drives V-shaped seal ring 9, gland nut 10, epithelium 5, connecting sleeve 11, cut off ectosome 12, steel ball 35, dropout slip endosome 13, cut off spring 14, cut off adjusting nut 15 to move up, simultaneous linkage main valve stem 17, drive link 21 displacement vertically upward, under leverage, the tail end of drive link 21 axially promotes valve core rod 24, cut off the entrance point that valve 22 of living departs from valve port 4, source of the gas can lead to housing 1 by valve port 4 immediately, be full of in the cavity under epithelium 5, under this effect, gas impels epithelium balance sysmte interlock to top offset, the tail end of drive link 21 continues axially to promote valve core rod 24, valve 23 of living is regulated naturally to coincide in the outlet side of valve port 4, in cavity now under epithelium 5, gas is closing pressure.
When user's gas, cavity internal pressure under epithelium 5 is unbalance, pressure is lower than the power of homophony spring 7, epithelium balance sysmte interlock is to bottom offset, the tail end of drive link 21 axially pulls valve core rod 24, regulate valve 23 of living naturally to depart from valve port 4, now natural gas leads to downstream user gas point by valve port 4, and pressure governor meets user's gas by mechanical back and forth movement like this.
When operating pressure governor causes decompression because other reason or sebific duct come off, epithelium balance sysmte can drive drive link 21 along with air pressure falls sharply, drive link 21 tail end axially pulls valve core rod 24, cuts off valve 22 of living and naturally coincide at the entrance point of valve port 4, form self-closing dissengaged positions.And during operating pressure governor stopping air feed, when reaching capacity after the pressure caused because of equipment failure exceeds standard setting pressure, drive link 21 tail end axially promotes valve core rod 24, valve 23 of living is regulated to close at the outlet end of valve port 4, cause drive link 21 under the cooperation of pressing plate 25 together with main valve stem 17, steel ball 35, dropout slip endosome 13, cut off spring 14, cut off adjusting nut 15 formation and locate motionless reaching capacity, now epithelium balance sysmte parts V-shaped seal ring 9, gland nut 10, epithelium 5, pallet 6, connecting sleeve 11, cut off ectosome 12 power upwards under gas effect and be greater than the power that homophony spring 7 presses down, formed overall to top offset, cut off ectosome 12 and compress cut-out spring 14, cut off spring 14 unbalance, cut off on ectosome 12 and move, the bulge loop 38 cutting off ectosome 12 leaves the steel ball through hole 37 of dropout slip endosome 13, steel ball 35 slides along the domatic of the domatic groove 36 on main valve stem 17 towards the steel ball through hole 37 of dropout slip endosome 13, steel ball 35 pairs of main valve stems 17 lost efficacy, main valve stem 17 is threaded off, now tower spring 20 gives drive link 25 1 power pressed down, drive valve core rod 17, cut off valve 22 of living at once to coincide and reach cutting function at the entry end of valve port 4.
One provided by the utility model surpasses in decompression inflow-rate of water turbine tripping protection compresses into the front pressure governor of family table, excess pressure cutout relies on the mechanical trip system in counter balance pocket namely to cut off ectosome 12, steel ball 35, dropout slip endosome 13, cut off spring 14, cut off composition such as adjusting nut 15 grade, pressure governor causes mechanical trip system to form a displacement when superpressure, steel ball 35 discharges, cause main valve stem 17 unbalance downslide under the drive of tower spring 20, valve 23 of the adjustment of two valve components being lived departs from single-blade double-action valve port 4, cut-out valve 22 alive is impelled naturally to be displaced to single-blade double-action valve port 4 entrance point, excess pressure cutout immediately.Decompression cut-out moves down by pallet 6, epithelium 5 driving mechanical tripping system, main valve stem 17, and valve 23 of the adjustment of two valve components being lived departs from single-blade double-action valve port 4, impels cut-out valve 22 alive to be naturally displaced to the decompression cut-out immediately of single-blade double-action valve port 4 entrance point.Realize automatic overvoltage and cut off decompression cutting function.And the top of housing 1 is provided with protective housing 26, play a protective role.
One provided by the utility model surpasses in decompression inflow-rate of water turbine tripping protection compresses into the front pressure governor of family table, and outlet is the first outlet 301 and the second outlet 301 two, and the first outlet 301 and import 2 are in 90o angle, and second exports 302 with import 2 in 180o angle.Optionally can export, connect easy replacing easy.The outlet 301 do not used sealing gasket 33 and blanking cover 34 shutoff.The Connecting format of import 2 and outlet 3 is outer M30X1.5 outside thread.This pressure governor frame material is pack alloy, plastic-blasting again after surface oxidation treatment.With externally threaded inlet tube jointing 29, with externally threaded outer pipe jointing 32, its external admission line docking form is G1/2 " outside thread; be convenient to be connected with general malleable iron component; nipple tip and pressure governor connection part; for inlaying sealing gasket outward; anti-seal pad comes off misconstruction, while Drop-proof top can play again and import and export dislocation effect with pressure governor lower shell body.And center is 13mm vent, material is low carbon steel.Rectangular inlet sealing gasket 28, exit seal pad 31 material are nitrile butadiene rubber or fluorine glue.Import locknut 27 is internal thread M30X1.5 thread forms with outlet locknut 30 inside, outside is 34X34 all directions, be convenient to dock with pressure governor, center hole is φ 22.5, for fixing with externally threaded inlet tube jointing 29, with externally threaded outer pipe jointing 32 and compress with externally threaded inlet tube jointing 29, with externally threaded outer pipe jointing 32, school political affairs concentric form, material is low carbon steel.
The one that the utility model provides surpass in decompression inflow-rate of water turbine tripping protection compress into family table before pressure governor be not limited only to said structure, as long as structure is identical with the utility model, all fall into the utility model protection domain.
Claims (4)
1. in a super decompression inflow-rate of water turbine tripping protection, compress into the front pressure governor of family table, comprise the housing with import and outlet, valve port is provided with in housing, epithelium, pallet, homophony spring and homophony nut is provided with above pallet, it is characterized in that: described pallet is provided with the connecting sleeve with V-shaped seal ring and gland nut, connecting sleeve is connected with cut-out ectosome, cut off ectosome inboard and be provided with dropout slip endosome, dropout slip endosome top is provided with and cuts off spring and cut off adjusting nut, be provided with to cut off between cut-out adjusting nut and housing and regulate setting sleeve, main valve stem is through connecting sleeve, cut off ectosome, dropout slip endosome, cut off spring and cut off adjusting nut, main valve stem is provided with the domatic groove placing steel ball, dropout slip endosome has steel ball through hole, cut off on ectosome and be provided with the bulge loop matched with steel ball through hole, main valve stem top is provided with reseting handle, main valve stem bottom is through central spacer and cover has turriform spring, be connected with drive link bottom main valve stem, drive link with cut off live valve and regulate work valve valve core rod be connected, cutting off valve of living is separately positioned on outside valve port and inner side with adjustment valve alive, the pressing plate matched with drive link is provided with in housing.
2. one according to claim 1 surpass in decompression inflow-rate of water turbine tripping protection compress into family table before pressure governor, it is characterized in that: the top of described housing is provided with protective housing.
3. one according to claim 1 surpass in decompression inflow-rate of water turbine tripping protection compress into family table before pressure governor; it is characterized in that: described outlet is the first outlet and the second outlet two; first outlet is 90o angle with import, and the second outlet is 180o angle with import.
4. one according to claim 1 surpass in decompression inflow-rate of water turbine tripping protection compress into family table before pressure governor; it is characterized in that: described inlet is provided with import locknut, import rectangular seal pad and with externally threaded inlet tube jointing, outlet port is provided with outlet locknut, outlet rectangular seal pad and with externally threaded outer pipe jointing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520097041.7U CN204437392U (en) | 2015-02-11 | 2015-02-11 | The front pressure governor of family table is compressed in a kind of super decompression inflow-rate of water turbine tripping protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520097041.7U CN204437392U (en) | 2015-02-11 | 2015-02-11 | The front pressure governor of family table is compressed in a kind of super decompression inflow-rate of water turbine tripping protection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633196A (en) * | 2015-02-11 | 2015-05-20 | 河北安信燃气设备有限公司 | Front Voltage regulator of medium pressure indoor table for super-voltage-loss excess flow cut-off protection |
| CN108343766A (en) * | 2018-01-22 | 2018-07-31 | 北京东方通捷燃气有限责任公司 | A kind of gas pressure-reducing valve |
| CN110260007A (en) * | 2019-07-26 | 2019-09-20 | 浙江三方控制阀股份有限公司 | A kind of pressure-regulating device with cutting function |
-
2015
- 2015-02-11 CN CN201520097041.7U patent/CN204437392U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633196A (en) * | 2015-02-11 | 2015-05-20 | 河北安信燃气设备有限公司 | Front Voltage regulator of medium pressure indoor table for super-voltage-loss excess flow cut-off protection |
| CN104633196B (en) * | 2015-02-11 | 2017-02-01 | 河北安信燃气设备有限公司 | Front Voltage regulator of medium pressure indoor table for super-voltage-loss excess flow cut-off protection |
| CN108343766A (en) * | 2018-01-22 | 2018-07-31 | 北京东方通捷燃气有限责任公司 | A kind of gas pressure-reducing valve |
| CN110260007A (en) * | 2019-07-26 | 2019-09-20 | 浙江三方控制阀股份有限公司 | A kind of pressure-regulating device with cutting function |
| CN110260007B (en) * | 2019-07-26 | 2024-06-07 | 浙江三方控制阀股份有限公司 | Pressure regulating device with cutting-off function |
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