CN2610187Y - Gas meter with automatic close valve for overpressure or underpressure - Google Patents
Gas meter with automatic close valve for overpressure or underpressure Download PDFInfo
- Publication number
- CN2610187Y CN2610187Y CN 03218618 CN03218618U CN2610187Y CN 2610187 Y CN2610187 Y CN 2610187Y CN 03218618 CN03218618 CN 03218618 CN 03218618 U CN03218618 U CN 03218618U CN 2610187 Y CN2610187 Y CN 2610187Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- cavity
- center nozzle
- gas
- 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
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Abstract
The utility model relates to a special protective valve in front of a gas meter. The utility model is provided with a valve chamber which is formed by the mutual buckling of a valve body and an upper and a lower valve caps, wherein both ends of the valve body are provided with an air inlet and an air outlet, and the valve cavity is divided into an air inlet cavity and an air outlet cavity through a partition seal with a center ejector nozzle. The periphery of the inner side of the mouth of the upper valve cap in the air outlet cavity and the periphery of the upper part of the center ejector nozzle of the valve body are respectively provided with permanent magnets; an elastic resetting button rod with a hollow sleeve rod is inserted in the valve cavity from the mouth of the upper valve cap, and extends in the air inlet cavity through the center ejector nozzle of the valve body; the part of the resetting button rod, which is positioned at the upper end of the center ejector nozzle of the valve body is coaxially provided with armature iron, a rubber sealing plate and a corrugation rubber membrane, and a seal component which can close and block the center ejector nozzle of the valve body is coaxially and integrally installed on the bottom end of the resetting button rod. When an event that under overpressure or underpressure, the supply of pipeline gas is stopped occurs, the vale of the utility model can automatically close a gas passage to perform the functions of protecting the gas meter and the safety of the life and the property of a user.
Description
Affiliated technical field
The utility model belongs to the pipeline gas valve technology field, relates to a kind ofly can superpressure occurring or under-voltage stopping the supple of gas or steam can be closed the valve of gas circuit during situation automatically at family expenses or industrial pipeline gas.
Background technique
In daily life and industrial production, have no progeny suddenly when the gas pipeline air feed, people usually forget throttle down owing to carelessness, after pipeline recovered air feed, combustion gas just can be released in a large number like this, had both caused the source of the gas waste, and is also easily accidents caused.In addition, the fault of voltage-regulating system is compressed into the family in can taking place in the air feed, makes the gas meter blast, and this can bring very big harm to the user equally.
The model utility content
The purpose of this utility model is the problem according to existing gas ductwork existence, design the preceding ultra under-pressure self acting stop valve of the simple and practical gas meter of a kind of structural principle, this valve can be when the pipeline gas pressure anomaly not electricity consumption and closing automatically, guarantee the safe handling of combustion gas.
For achieving the above object and the design gas meter before the ultra under-pressure self acting stop valve have one by valve body and last, the valve pocket that the bottom flange make-up constitutes, there are suction port and air outlet in the valve body two ends, and by the band center nozzle every the envelope valve pocket is divided into air-inlet cavity and outlet chamber, in outlet chamber, be equipped with permanent magnet around the inboard of bonnet mouth and around the upside of valve body center nozzle, elastic reset button bar with hollow loop bar is extended in the air-inlet cavity by bonnet mouth insertion valve pocket and through the valve body center nozzle, be positioned at the coaxial armature that is provided with of valve body center nozzle upper end at restoration button bar, rubber shrouding and corrugated rubber film are equipped with a blocking component that can turn-off the valve body center nozzle in the coaxial company in restoration button bar bottom.This valve in the course of the work, the action of restoration button bar is by following five kinds of power decision: the magnetic force of the gravity of body of rod assembly self, valve gap permanent magnet and valve body permanent magnet, the elastic force of button bar spring and the pressure of inflow gas.Above-mentioned five kinds of equilibrium of forces under the normal condition, armature leaves permanent magnet in the valve pocket, gas is through inlet nozzle jack-up ripple film and keep float state, this moment by the air outlet to the burner air feed.When suction pressure raises suddenly and surpasses normal pressure, ripple film is stressed to move up, the center-pole that drives restoration button bar makes progress, make armature enter the gravitation district of loam cake permanent magnet and quicken upwards and then be attracted on the permanent magnet, this moment button bar lower end the up thereupon confining gas path of blocking component, thereby cut off gas circuit.After treating that air feed is normal, only press restoration button bar releasing location back user and could just use gas always, when suction port pressure is lower than the authorized pressure value or stops the supple of gas or steam, because gas reduces the buoyancy of ripple film or disappears, it is together downward that the suction that the valve body permanent magnet produces armature makes it drive coaxial restoration button bar, armature is attracted on the permanent magnet, and then, realizes automatic closing by rubber shrouding closed valve center nozzle gas-entered passageway.In addition, at gas flow during through valve pocket, because the high magnetic fields of permanent magnet has also played the effect of energy-saving and purifying to the magnetization of combustion gas.
Description of drawings
Accompanying drawing is the cross-sectional view of a specific embodiment of the utility model.
Embodiment
Referring to accompanying drawing, have on it suction port 8 and air outlet 13 valve body 7 be one to be connected on the shelly object on the gas piping, the spill bonnet 3 of it and one band center hole and a spill bottom flange 9 fasten mutually and constitute valve pockets, and valve body is divided into air-inlet cavity and outlet chamber every envelope with valve pocket by band center nozzle 12; In outlet chamber, be equipped with permanent magnet 4,6 around the inboard of bonnet mouth and around 12 upsides of valve body center nozzle; Elastic reset button bar 2 with hollow loop bar 1 inwardly inserts valve pocket from bonnet 3; Be provided with elasticity positioning boss 15 and positioning boss 16 in the outside at restoration button bar 2 middle parts, hollow loop bar 1 axially have two in a flute profile slideway, elasticity positioning boss 15 is in the axial flute profile slideway of hollow loop bar 1; Be positioned at coaxial armature 14, rubber shrouding 10 and the corrugated rubber film 5 of being provided with of valve body center nozzle upper end at restoration button bar 2, a center nozzle blocking component 11 is equipped with in coaxial company in restoration button bar 2 bottoms.In the use when the superpressure phenomenon occurring, restoration button bar 2 is brought to and moves, its elasticity boss 15 can be skipped the boss of loop bar 1 inboard flute profile slideway, because moving up and being locked by 4 absorption of loam cake permanent magnet of armature 14 moves on the blocking component 11 of spout 12 lower ends air inlet is turn-offed.After air feed is normal, make elasticity positioning boss 15 skip the boss 16 of loop bar 1 flute profile slideway downwards by manually pressing restoration button bar 2, while blocking component 11 leaves spout 12 downwards makes gas circuit unimpeded.When the situation of stopping the supple of gas or steam occurred, ripple film 5 was owing to lose buoyant gas, and the suction of 6 pairs of armature of permanent magnet makes it to move down and is adsorbed on the permanent magnet 6, and rubber shrouding 10 is blocked from top with spout 12, cut off inlet air pathway.The valve of opening of device described in the utility model also can be by mentioning and pressing restoration button bar and realize with the pass valve.
Claims (2)
1, ultra under-pressure self acting stop valve before a kind of gas meter, it is characterized in that having one by valve body (7) and last, bottom flange (3,9) valve pocket of make-up formation, there are suction port (8) and air outlet (13) in valve body (7) two ends, and by the band center nozzle (12) every the envelope valve pocket is divided into air-inlet cavity and outlet chamber, in outlet chamber, be equipped with permanent magnet (4 around the inboard of bonnet mouth and around (12) upside of valve body center nozzle, 6), elastic reset button bar (2) with hollow loop bar (1) is extended in the air-inlet cavity by bonnet (3) mouthful insertion valve pocket and through valve body center nozzle (12), be positioned at the coaxial armature (14) that is provided with of valve body center nozzle upper end at restoration button bar (2), rubber shrouding (10) and corrugated rubber film (5), a center nozzle blocking component (11) is equipped with in coaxial company in restoration button bar (2) bottom.
2, ultra under-pressure self acting stop valve before the gas meter as claimed in claim 1, it is characterized in that being provided with elasticity positioning boss (15) and positioning boss (16) in the outside at restoration button bar (2) middle part, hollow loop bar (1) axially have a flute profile slideway, elasticity positioning boss (15) is in the axial flute profile slideway of hollow loop bar (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03218618 CN2610187Y (en) | 2003-03-17 | 2003-03-17 | Gas meter with automatic close valve for overpressure or underpressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03218618 CN2610187Y (en) | 2003-03-17 | 2003-03-17 | Gas meter with automatic close valve for overpressure or underpressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2610187Y true CN2610187Y (en) | 2004-04-07 |
Family
ID=34161021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03218618 Expired - Fee Related CN2610187Y (en) | 2003-03-17 | 2003-03-17 | Gas meter with automatic close valve for overpressure or underpressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2610187Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345585A (en) * | 2016-05-06 | 2017-11-14 | 青岛经济技术开发区海尔热水器有限公司 | Relief pressure valve and water heater |
| CN107448624A (en) * | 2017-08-25 | 2017-12-08 | 西安万泰燃气设备有限公司 | A kind of modified form pipe gas self-closing valve |
| CN109826987A (en) * | 2019-04-01 | 2019-05-31 | 西安友谊燃气设备有限公司 | A kind of automatic delay function part and the gas self-closing valve with timing closing function |
-
2003
- 2003-03-17 CN CN 03218618 patent/CN2610187Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345585A (en) * | 2016-05-06 | 2017-11-14 | 青岛经济技术开发区海尔热水器有限公司 | Relief pressure valve and water heater |
| CN107448624A (en) * | 2017-08-25 | 2017-12-08 | 西安万泰燃气设备有限公司 | A kind of modified form pipe gas self-closing valve |
| CN107448624B (en) * | 2017-08-25 | 2023-06-02 | 西安万泰燃气设备有限公司 | Improved pipeline gas self-closing valve |
| CN109826987A (en) * | 2019-04-01 | 2019-05-31 | 西安友谊燃气设备有限公司 | A kind of automatic delay function part and the gas self-closing valve with timing closing function |
| CN109826987B (en) * | 2019-04-01 | 2023-10-03 | 西安友谊燃气设备有限公司 | Time-delay automatic closing member and gas self-closing valve with timing closing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |