CN202469098U - Gas safeguard valve - Google Patents
Gas safeguard valve Download PDFInfo
- Publication number
- CN202469098U CN202469098U CN2012201098037U CN201220109803U CN202469098U CN 202469098 U CN202469098 U CN 202469098U CN 2012201098037 U CN2012201098037 U CN 2012201098037U CN 201220109803 U CN201220109803 U CN 201220109803U CN 202469098 U CN202469098 U CN 202469098U
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- CN
- China
- Prior art keywords
- pressure regulation
- gas
- pressure
- regulation
- valve
- 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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- 229920001971 elastomer Polymers 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 15
- 239000000446 fuel Substances 0.000 claims description 18
- 239000000806 elastomer Substances 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 43
- 239000000567 combustion gas Substances 0.000 description 13
- 238000010411 cooking Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Feeding And Controlling Fuel (AREA)
Abstract
The utility model provides a gas safeguard valve which comprises a valve shell, wherein the valve shell is provided with a gas inlet passage, a valve base, a pressure-regulation nozzle, a gas pressure chamber and a gas outlet passage which are mutually communicated; a pressure-regulation rubber diaphragm is arranged between an upper shell and a lower shell; the central position of the pressure-regulation rubber diaphragm is provided with a pressure-regulation drawbar with an annular groove; a pressure-regulation draw hook is sleeved into the lower part of the pressure-regulation drawbar with the annular groove, and an elastic ball for setting pressure is arranged at any one side of the pressure-regulation draw hook and clamed in the annular groove in the pressure-regulation drawbar so as to achieve an effect of automatically disconnecting to cut off gas to ensure the safety when pressure regulation is out of control; a forward gas closing elastic valve core is arranged in the gas inlet passage and is linked with the power of a pressure-regulation lever, so as to achieve an effect that the gas is automatically cut off to ensure the safety when accident pipe stripping and gas leakage occur.
Description
Technical field:
The utility model relates to the fuel safety protecting valve, relates in particular to a kind of fuel safety protecting valve with pressure regulation automatic self-closing gas out of control and accidental gas leakage automatic self-closing gas.
Background technique:
At present, the fuel safety protecting valve has four kinds approximately, and first kind is: electronic alarm class fuel safety protecting valve, and its shortcoming is: be out of order easily, perform practically no function, the difficult maintenance; Second kind is: ball spool rolling close type fuel safety protecting valve, and its shortcoming is: service behaviour is unstable, and it can only use in bottled high-pressure gas, and is if in the low pressure pipeline combustion gas, use, malfunctioning easily; The third is: reverse close type fuel safety protecting valve; Its shortcoming is: it only can use in setting house lead in air pressure; Automatically after closing when stopping the supple of gas or steam, close oneself gas valve if the user forgets, air feed house lead in pressure is when setting use value once more; It just can open gas leakage automatically, constitutes bigger danger; The 4th kind is: close type fuel safety protecting valve forward, its shortcoming is: when pressure regulation was out of control, suction pressure could automatic self-closing gas (being that guard sensitivity is poor) when obviously super large makes elastomer diaphragm explosion gas leakage.
Summary of the invention:
In order to overcome the technological deficiency of above-mentioned fuel safety protecting valve, a kind of gas safe valve protection that the utility model provides, it is on the basis of patent of invention (ZL200710147323.3), to improve to form; It not only has steady pressure and accidental gas leakage automatic closing function, but also has the aging pressure regulation of valve body when out of control, can disconnect automatically and close the function of combustion gas according to artificial setting pressure regulation pressure range out of control.
Technological scheme:
According to above-mentioned purpose, a kind of fuel safety protecting valve that the utility model provides, it comprises valve chest, valve chest has gas-entered passageway, valve seat, pressure regulation mouth, gaseous-pressure chamber, the outlet passageway that is interconnected; Valve chest is divided into upper shell and lower shell body again; Pressure regulation elastomer diaphragm of installing between upper shell and lower shell body, and, install a pressure regulation pull bar that has ring-like chase at pressure regulation elastomer diaphragm center position; Below the pressure regulation pull bar that has ring-like chase, be inserted in a pressure regulation drag hook; And ring-like chase sticks in the round end elastic force holder of a setting pressure of any side of pressure regulation drag hook installing or elastic force ball and pressure regulation pull bar; Out of control to reach pressure regulation; Automatically disconnect when pressure is greater than the safe handling value in the valve body, and make the effect of elastic force spool automatic self-closing gas; The pressure regulation lever is installed on the lever moving fulcrum, and an end inserts in the pressure regulation drag hook, and the other end is lived with the pressure regulation push rod and is connected, and matches with the pressure regulation mouth at pressure regulation rubber stopper of the terminal installing of pressure regulation push rod, stablizes the effect of suction pressure to reach automatic adjusting; In gas-entered passageway, install one and forward close gas elastic force spool and match with valve seat; Insert the spool push rod in the pass gas elastic force spool forward and pass pressure regulation mouth place; And head on the terminal pressure regulation rubber stopper of pressure regulation push rod and to match; Utilize combustion gas self pressure control to back down automatically forward to close gas elastic force spool to reach; Make combustion gas normally get into effect positive in the gaseous-pressure chamber, also reach accident simultaneously and pipe gas leakage or the pressure of stopping the supple of gas or steam occur taking off and be lower than when setting use value automatic self-closing gas and guarantee safe effect; The center position in the outer end of upper shell is installed an automatically reset starting drive, with the effect of drawing the breakdown combustion gas to use on reaching; Gas elastic force spool is forward closed in quick assistance when leaking gas in order to take off pipe in accident, closes the effect of gas automatically, in gas-entered passageway, can also increase rolling circle ball valve core of installing and match with the air inlet aperture.
Beneficial effect:
A kind of fuel safety protecting valve that the utility model provides has following beneficial effect:
(1), stop the supple of gas or steam or the ultralow influence of supply gas pressure when normally using, automatic self-closing gas is guaranteed safety.
(2), during the air feed house lead in, close oneself gas cooking range, or during the cooking stove early gate, automatic self-closing gas is guaranteed safety if there is certain user to forget.
(3), broken flexible rubber hose is burnt in the tempering of breaking down of user's gas cooking stove, or the loosening accidental of flexible rubber hose, or when being broken by the teeth the gas leakage flow abnormity by mouse in the family, automatic self-closing gas is guaranteed safety.
(4), when pressure regulation was out of control, automatic disconnection was closed combustion gas and is guaranteed safety.
Description of drawings:
A kind of fuel safety protecting valve below in conjunction with accompanying drawing provides the utility model is done further to specify;
Attach 1 figure and be the side-looking structural representation when a kind of fuel safety protecting valve normal ventilation that the utility model provides is used;
Attach 2 figure and be the side-looking structural representation when combustion gas is closed in a kind of fuel safety protecting valve pressure regulation automatic disconnection out of control that the utility model provides;
In the accompanying drawing 1,1, valve chest; 2, gas-entered passageway; 3, valve seat; 4, pressure regulation mouth; 5, gaseous-pressure chamber; 6, outlet passageway; 7, upper shell; 8, lower shell body; 9, pressure regulation elastomer diaphragm; 10, pressure regulation pull bar; 11, pressure regulation drag hook; 12, elastic force ball; 13, pressure regulation lever; 14, active lever fulcrum; 15, pressure regulation push rod; 16, pressure regulation rubber stopper; 17, along closing the elastic force spool; 18, spool push rod; 19, starting drive; 20, ball spool; 21, air inlet aperture.
Embodiment:
(as attaching shown in 1 figure), a kind of fuel safety protecting valve that the utility model provides, it comprises valve chest (1), valve chest (1) has gas-entered passageway (2), valve seat (3), pressure regulation mouth (4), gaseous-pressure chamber (5), the outlet passageway (6) that is interconnected; Valve chest (1) is divided into upper shell (7) and lower shell body (8) again; An installing pressure regulation elastomer diaphragm (9) between upper shell (7) and lower shell body (8), and, install a pressure regulation pull bar (10) that has ring-like chase at pressure regulation elastomer diaphragm (9) center position; A pressure regulation drag hook (11) is inserted in below at the pressure regulation pull bar (10) that has ring-like chase; And ring-like chase sticks in the round end elastic force holder of a setting pressure of any side of pressure regulation drag hook (11) installing or elastic force ball (12) and pressure regulation pull bar (10); Out of control to reach pressure regulation; Automatically disconnect when pressure is greater than the safe handling value in the valve body, and make the effect of elastic force spool (17) automatic self-closing gas; Pressure regulation lever (12) is installed on the lever moving fulcrum (14); One end inserts in the pressure regulation drag hook (11); The other end is lived with pressure regulation push rod (15) and is connected; And install a pressure regulation rubber stopper (16) at pressure regulation push rod (15) end and match with pressure regulation mouth (4), stablize the effect of suction pressure to reach automatic adjusting; In gas-entered passageway (2), install one and forward close gas elastic force spool (17) and match with valve seat (3); Insert the spool push rod (18) in the pass gas elastic force spool (17) forward and pass pressure regulation mouth (4) and locate; And head on the terminal pressure regulation rubber stopper (16) of pressure regulation push rod (15) and to match; Utilize combustion gas self pressure control to back down automatically forward to close gas elastic force spool (16) to reach; Make combustion gas normally get into the effect in the gaseous-pressure chamber, also reach accident simultaneously and pipe gas leakage or the pressure of stopping the supple of gas or steam occur taking off and be lower than when setting use value the automatic self-closing gas effect that ensures safety really; At the outer end center position of upper shell (7), install an automatically reset starting drive (19), with the effect of drawing the breakdown combustion gas to use on reaching; Gas elastic force spool is forward closed in quick assistance when leaking gas in order to take off pipe in accident, closes the effect of gas automatically, in gas-entered passageway (2), can also increase a rolling circle ball valve core of installing (20) and match with air inlet aperture (21).
Installation and application and working principle explanation:
When mounted, connect fuel gas source to gas-entered passageway (2) one ends of this this fuel safety protecting valve earlier, outlet passageway (6) one ends connect domestic gas cooking stove or household water heater.(annotating: the diagram that connects the combustion gas tool is not arranged, be appreciated that).
(as attaching shown in 1 figure); When using, draw automatically reset starting drive (19) on firmly, and make pressure regulation rubber stopper (16) in the pressure regulation lever (13), head on spool push rod (18) and push elastic force spool (17) open; At this moment, combustion gas can get into the gaseous-pressure chamber (5) from gas-entered passageway (2) one ends; Owing to produced gaseous-pressure in the gaseous-pressure chamber (5), so elastic rubber diaphragm (9) expands outward, pressure regulation lever (13) just can be transported drive pressure regulation push rod (15) forever and push elastic force spool (17) open with spool push rod (18), makes the normal output of combustion gas use continuously; When burning run-down gas or pipeline company because of catching fire, flexible rubber hose accidental or flexible rubber hose stop the supple of gas or steam pressure less than setting use value or pressure regulation pressure regulation drag hook out of control (11) when disconnecting automatically temporarily; Pressure regulation lever (13) down lands; Elastic force spool (17) is automatic self-closing gas immediately, (as shown in Figure 2).
If this fuel safety protecting valve special-purpose before cooking stove, also can remove voltage regulation function or pressure regulation automatic closing function out of control.(diagram is not arranged, is appreciated that).
Claims (1)
1. fuel safety protecting valve, it comprises valve chest (1), valve chest (1) has gas-entered passageway (2), valve seat (3), pressure regulation mouth (4), gaseous-pressure chamber (5), the outlet passageway (6) that is interconnected; Valve chest (1) is divided into upper shell (7) and lower shell body (8) again; An installing pressure regulation elastomer diaphragm (9) between upper shell (7) and lower shell body (8); It is characterized in that:, install the pressure regulation pull bar (10) that a lower end has ring-like chase at pressure regulation elastomer diaphragm (9) center position; A pressure regulation drag hook (11) is inserted in below at the pressure regulation pull bar (10) that has ring-like chase, and ring-like chase sticks in the round end elastic force holder of a setting pressure of any side of pressure regulation drag hook (11) installing or elastic force ball (12) and pressure regulation pull bar (10); Pressure regulation lever (12) is installed on the lever moving fulcrum (14), and an end inserts in the pressure regulation drag hook (11), and the other end is lived with pressure regulation push rod (15) and is connected, and the terminal pressure regulation rubber stopper of installing of pressure regulation push rod (15) (16) matches with pressure regulation mouth (4); In gas-entered passageway (2), install one and forward close gas elastic force spool (17) and match with valve seat (3); Insert the spool push rod (18) in the pass gas elastic force spool (17) forward and pass pressure regulation mouth (4) and locate, and head on the terminal pressure regulation rubber stopper (16) of pressure regulation push rod (15) and to match; At the outer end center position of upper shell (7), install an automatically reset starting drive (19); The effect that gas elastic force spool closes gas is automatically forward closed in quick assistance when leaking gas in order to take off pipe in accident, in gas-entered passageway (2), increases a rolling circle ball valve core of installing (20) and matches with air inlet aperture (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201098037U CN202469098U (en) | 2012-03-15 | 2012-03-15 | Gas safeguard valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201098037U CN202469098U (en) | 2012-03-15 | 2012-03-15 | Gas safeguard valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202469098U true CN202469098U (en) | 2012-10-03 |
Family
ID=46917257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201098037U Expired - Fee Related CN202469098U (en) | 2012-03-15 | 2012-03-15 | Gas safeguard valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202469098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453187A (en) * | 2013-09-01 | 2013-12-18 | 刘波 | Safe gas pressure regulating valve |
| CN104791530A (en) * | 2014-01-20 | 2015-07-22 | 张鹏镇 | Two-stage safe fuel gas pressure stabilizer |
-
2012
- 2012-03-15 CN CN2012201098037U patent/CN202469098U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453187A (en) * | 2013-09-01 | 2013-12-18 | 刘波 | Safe gas pressure regulating valve |
| CN104791530A (en) * | 2014-01-20 | 2015-07-22 | 张鹏镇 | Two-stage safe fuel gas pressure stabilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHAANXI DATANG INTELLIGENT INSTRUMENT + METERS CO. Free format text: FORMER OWNER: ZHANG MIN Effective date: 20130502 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 571100 HAIKOU, HAINAN PROVINCE TO: 710016 XI'AN, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130502 Address after: 710016 Fengcheng Road, Shaanxi, No. six, No. 135, Xi'an Patentee after: Shaanxi Datang Intelligent Instrument Instrument Co., Ltd. Address before: 571100 Hainan Province, Haikou City Road No. 68 Baiju Hainan Province in the first branch Patentee before: Zhang Min |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710016 Fengcheng Road, Shaanxi, No. six, No. 135, Xi'an Patentee after: Shaanxi Datang gas safety Polytron Technologies Inc Address before: 710016 Fengcheng Road, Shaanxi, No. six, No. 135, Xi'an Patentee before: Shaanxi Datang Intelligent Instrument Instrument Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20210315 |