CN204114264U - Telescopic pressure governor - Google Patents
Telescopic pressure governor Download PDFInfo
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- CN204114264U CN204114264U CN201420516876.7U CN201420516876U CN204114264U CN 204114264 U CN204114264 U CN 204114264U CN 201420516876 U CN201420516876 U CN 201420516876U CN 204114264 U CN204114264 U CN 204114264U
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Abstract
The utility model discloses a kind of telescopic pressure governor, it comprises the first bolt etc., by the first bolt between lower cover and upper cover, first nut, 3rd nut, second stud bolt is fixed, one end of barrier film is clipped between lower diaphragm plate supporting element and upper diaphragm support, be provided with by the second bolt between lower cover and valve seat, 5th bolt, be fixed, cover under first plug is positioned at, one O type circle is between lower cover and valve body, 2nd O type circle, 3rd O type circle is all between lower cover and valve seat, be fixed by the 3rd bolt between bottom and valve body, 4th O type circle is between bottom and valve body, second plug is positioned on bottom, be fixed by the 4th bolt between valve body and valve seat, 4th O type circle is between valve body and valve seat, by the first stud bolt between valve body and lower cover, second nut is fixed, 3rd plug is positioned at and covers.The utility model structure is simple, and maintenance, repair are convenient, reduces cost of production.
Description
Technical field
The utility model relates to a kind of pressure governor, particularly relates to a kind of telescopic pressure governor.
Background technique
Gas pressure regulator, governor is commonly called as reduction valve, is gas flow by automatically changing through modulating valve and makes outlet gas keep the equipment of authorized pressure, being usually divided into direct acting type and indirect acting type two kinds.Pressure governor is how a kind of flow of no matter gas and upstream pressure change, and can keep the device that downstream pressure is stable.Pressure governor should be able to: one, upstream pressure is reduced to a stable downstream pressure; Two, downstream pressure should be able to be limited when pressure governor breaks down in safety range.
Direct acting type pressure governor is made up of measuring cell (film), transmission part (valve rod) and controlling mechanism (valve).When the gas consumption after exporting increases or inlet pressure reduces, outlet pressure just declines, at this moment the pressure reflected by PRESSURE PIPE makes the power acted on the downside of film be less than the power of pouring weight (or spring) on film, film declines, flap is also along with valve rod moves down, make valve open greatly, gas flow increases, and outlet pressure returns to originally given numerical value.Otherwise when the gas consumption after exporting reduces or inlet pressure raises, valve turns down, flow reduces, and still makes outlet pressure be restored.The weight of exit pressure levels available adjustment pouring weight or spring force come given.Small liquid petroleum gas reduction valve and service regulator are all direct acting types.
The regulation precision of direct acting type pressure governor is low; Pressure control range is narrow; Due to by epithelium size restrictions, be difficult to accomplish large gauge valve body; Flow passing capacity is poor.The axial flow pressure regulator working principle of indirect acting type: pressure governor is made up of air inlet valve body, air inlet junctor, junctor of giving vent to anger, valve body of giving vent to anger, pilot valve five major part, and air inlet junctor is built with main valve pressure regulation spring, high pressure air jacket casing, sealed Cellophane etc.Give vent to anger valve body built with fixed valve base, and this valve seat and high pressure air jacket casing form sealing pair.When pilot valve is closed, under gas cylinder is enclosed within the effect of main valve spring, be close on fixed valve base, medium be closed in pressure governor; When pilot valve is opened, under the effect of the first air guide of pilot valve, sealed Cellophane pulls sealing film platen pressuring spring, high pressure air jacket casing is made to leave fixed valve base, command valve is opened larger, gap between high pressure air jacket casing and fixed valve base is larger, thus realizes the function regulating stream pressure height and uninterrupted.Axial flow pressure regulator entirety is heavier, involves great expense, and maintenance, repair are inconvenient.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of telescopic pressure governor, and its structure is simple, and maintenance, repair are convenient, reduces cost of production.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of telescopic pressure governor, is characterized in that, it comprises the first bolt, lower diaphragm plate supporting element, first nut, second bolt, first plug, one O type circle, 2nd O type circle, 3rd O type circle, valve seat, valve body, bottom, 3rd bolt, 4th O type circle, second plug, 4th bolt, 4th O type circle, 5th bolt, first stud bolt, second nut, lower cover, barrier film, 3rd plug, upper cover, 3rd nut, second stud bolt, ventilation bolt, upper diaphragm support, 6th bolt, baffle plate, valve rod, spring, by the first bolt between lower cover and upper cover, first nut, 3rd nut, second stud bolt is fixed, and one end of barrier film is clipped between lower diaphragm plate supporting element and upper diaphragm support, is provided with by the second bolt between lower cover and valve seat, 5th bolt, be fixed, cover under the first plug is positioned at, an O type circle between lower cover and valve body, the 2nd O type circle, 3rd O type circle is all between lower cover and valve seat, be fixed by the 3rd bolt between bottom and valve body, 4th O type circle is between bottom and valve body, second plug is positioned on bottom, be fixed by the 4th bolt between valve body and valve seat, 4th O type circle, between valve body and valve seat, passes through the first stud bolt between valve body and lower cover, second nut is fixed, and the 3rd plug is positioned at and covers, by ventilation bolt between lower diaphragm plate supporting element and upper diaphragm support, 6th bolt is fixed, and baffle plate is positioned at the top of the 4th O type circle, and valve rod is through valve body, and spring housing is on valve rod.
Preferably, described second stud bolt is provided with suspension ring.
Positive progressive effect of the present utility model is: the utility model structure is simple, and maintenance, repair are convenient, reduces cost of production.The utility model can be good at protecting downstream to use the gas utensil of user, and inlet pressure ranges is wide, and regulation precision is high, and flow coefficient is large, low noise and longer working life, and for ease of maintenaince.
Accompanying drawing explanation
Fig. 1 is the structural representation of the telescopic pressure governor of the utility model.
Embodiment
The utility model preferred embodiment is provided, to describe the technical solution of the utility model in detail below in conjunction with accompanying drawing.
As shown in Figure 1, the telescopic pressure governor of the utility model comprises the first bolt 1, lower diaphragm plate supporting element 2, first nut 3, second bolt 4, first plug 5, one O type circle 6, 2nd O type circle 7, 3rd O type circle 8, valve seat 9, valve body 10, bottom 11, 3rd bolt 12, 4th O type circle 13, second plug 14, 4th bolt 15, 4th O type circle 16, 5th bolt 17, first stud bolt 18, second nut 19, lower cover 20, barrier film 21, 3rd plug 22, upper cover 23, 3rd nut 24, second stud bolt 25, ventilation bolt 27, upper diaphragm support 28, 6th bolt 29, baffle plate 30, valve rod 31, spring 32, by the first bolt 1 between lower cover 20 and upper cover 23, first nut 3, 3rd nut 24, second stud bolt 25 is fixed, and one end of barrier film 21 is clipped between lower diaphragm plate supporting element 2 and upper diaphragm support 28, is provided with by the second bolt 4 between lower cover 20 and valve seat 9, 5th bolt 17, be fixed, the first plug 5 is positioned on lower cover 20, an O type circle 6 between lower cover 20 and valve body 10, the 2nd O type circle 7, 3rd O type circle 8 is all between lower cover 20 and valve seat 9, be fixed by the 3rd bolt 12 between bottom 11 and valve body 10, 4th O type circle 13 is between bottom 11 and valve body 10, second plug 14 is positioned on bottom 11, be fixed by the 4th bolt 15 between valve body 10 and valve seat 9, 4th O type circle 16, between valve body 10 and valve seat 9, passes through the first stud bolt 18 between valve body 10 and lower cover 20, second nut 19 is fixed, and the 3rd plug 22 is positioned on upper cover 23, by ventilation bolt 27 between lower diaphragm plate supporting element 2 and upper diaphragm support 28, 6th bolt 29 is fixed, and baffle plate 30 is positioned at the top of the 4th O type circle 13, and valve rod 31 is through valve body 10, and spring 32 is enclosed within valve rod 31.Second stud bolt 25 is provided with suspension ring 26, telescopic pressure governor of so conveniently slinging.
When occurring that main valve diaphragm breaks, pilot valve membrane ruptures, pilot valve do not have pressure for seasonable, main valve can move to full close position.This pressure governor baffle plate is Steel Sleeve, and sleeve pipe is connected with barrier film by valve rod, therefore firmly coupled to each other.By spring, baffle plate can move to full close position.Baffle plate is Steel Sleeve, and sleeve pipe is connected with valve diaphragm by valve rod, therefore firmly coupled to each other.By spring, baffle plate can move to full close position.Baffle plate, valve rod and suction pressure complete equilibrium, therefore control accuracy does not provide driving pressure by the impact of suction pressure change to barrier film bottom.The supply of barrier film opposite side be then the controlled pressure in downstream.The synergy of spring, downstream pressure and driving pressure are in state of equilibrium.Setting value can be increased by applying pressure to spring; Or reduce spring applied pressure, to reduce setting value.When downstream pressure is tending towards increasing because traffic demand declines, baffle plate can be in ajar position under the action of the spring, and therefore reduced by the flow of valve, controlled pressure recovers setting value again.If flow increase causes downstream pressure to decline, therefore the opening width of baffle plate and valve seat can increase, and increases driving pressure, makes its opening width larger, and resets required setting value in side, downstream.
Above-described specific embodiment; the technical problem of solution of the present utility model, technological scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. a telescopic pressure governor, is characterized in that, it comprises the first bolt, lower diaphragm plate supporting element, first nut, second bolt, first plug, one O type circle, 2nd O type circle, 3rd O type circle, valve seat, valve body, bottom, 3rd bolt, 4th O type circle, second plug, 4th bolt, 4th O type circle, 5th bolt, first stud bolt, second nut, lower cover, barrier film, 3rd plug, upper cover, 3rd nut, second stud bolt, ventilation bolt, upper diaphragm support, 6th bolt, baffle plate, valve rod, spring, by the first bolt between lower cover and upper cover, first nut, 3rd nut, second stud bolt is fixed, and one end of barrier film is clipped between lower diaphragm plate supporting element and upper diaphragm support, is provided with by the second bolt between lower cover and valve seat, 5th bolt, be fixed, cover under the first plug is positioned at, an O type circle between lower cover and valve body, the 2nd O type circle, 3rd O type circle is all between lower cover and valve seat, be fixed by the 3rd bolt between bottom and valve body, 4th O type circle is between bottom and valve body, second plug is positioned on bottom, be fixed by the 4th bolt between valve body and valve seat, 4th O type circle, between valve body and valve seat, passes through the first stud bolt between valve body and lower cover, second nut is fixed, and the 3rd plug is positioned at and covers, by ventilation bolt between lower diaphragm plate supporting element and upper diaphragm support, 6th bolt is fixed, and baffle plate is positioned at the top of the 4th O type circle, and valve rod is through valve body, and spring housing is on valve rod.
2. telescopic pressure governor as claimed in claim 1, is characterized in that, described second stud bolt is provided with suspension ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516876.7U CN204114264U (en) | 2014-09-10 | 2014-09-10 | Telescopic pressure governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516876.7U CN204114264U (en) | 2014-09-10 | 2014-09-10 | Telescopic pressure governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204114264U true CN204114264U (en) | 2015-01-21 |
Family
ID=52331576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420516876.7U Active CN204114264U (en) | 2014-09-10 | 2014-09-10 | Telescopic pressure governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204114264U (en) |
-
2014
- 2014-09-10 CN CN201420516876.7U patent/CN204114264U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170922 Address after: 643000, Sichuan Zigong high tech Zone, the small plate industrial concentration zone, South Sichuan small and medium enterprises Pioneer Park Patentee after: Zigong Ti well valve manufacturing Co. Ltd Address before: 201299, room 18, No. 1668, Lane 103, Huaxia East Road, Shanghai, Pudong New Area Patentee before: Zou Wensheng |
|
| TR01 | Transfer of patent right |