CN102654208A - Improved timing gas safety protection valve - Google Patents
Improved timing gas safety protection valve Download PDFInfo
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- CN102654208A CN102654208A CN2011100564797A CN201110056479A CN102654208A CN 102654208 A CN102654208 A CN 102654208A CN 2011100564797 A CN2011100564797 A CN 2011100564797A CN 201110056479 A CN201110056479 A CN 201110056479A CN 102654208 A CN102654208 A CN 102654208A
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- pressure regulation
- timing
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- upper shell
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Abstract
The invention relates to an improved timing gas safety protection valve, which is improved on the basis of the original patent (patent number: ZL03238911.6). The improved timing gas safety protection valve comprises a valve shell body, wherein the valve shell body is divided into an upper shell body and a lower shell body. The improved timing gas safety protection valve is characterized in that the upper shell body is provided with a gas inlet channel, an unexpected air leakage shuttering valve holder, a reverse pressure adjusting nozzle, a gas pressure chamber, a timing gas shuttering valve holder and a gas outlet channel which are mutually communicated with one another, wherein a forward gas shuttering elastic valve plug is arranged in the gas inlet channel and is opposite to the unexpected air leakage shuttering valve holder so as to achieve the function of automatically shutting gas when the pipe accidentally falls off to cause gas leakage or the gas shutting pressure is over-low; the center of the outer end of the lower shell body is provided with a starting device capable of automatically restoring, and therefore the starting device automatically restores after the gas is opened; a main clockwork-spring-driven operation type timing switch device for automatically shutting the gas at regular time is arranged at the center position above the upper shell body; and therefore serous fire accidents caused by the factor that users forget to shut down the gas can be prevented.
Description
Technical field:
The present invention relates to the fuel safety protecting valve, relate in particular to and have regularly fuel safety protecting valve of a kind of modified model that timing automatic closes combustion gas and accidental gas leakage automatic self-closing gas.
Background technique:
At present, the fuel safety protecting valve has three 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: stable work in work, 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, and its shortcoming is: it only can use in setting suction pressure, if suction pressure when setting the working pressure certain value, just it can open gas leakage automatically, constitutes bigger danger.Other is; The applicant is in a kind of timing fuel safety protecting valve (patent No.: ZL03238911.6) of application on March 6th, 2003; Though can reaching timing automatic, it closes combustion gas and accidental gas leakage automatic self-closing gas,, also there are following three kinds of technological deficiencies and can't normally use; First defective is: enable switch is installed in the high-pressure gas gas-entered passageway, if anti-gas-leak O-ring seal wearing and tearing gas leakage promptly can constitute very big danger; Second defective is: the rotary main shaft of spiral spring power operation type timer arrangement, and directly feed to drive in the gaseous-pressure chamber and regularly close fuel gas valve core work, long-term rotation also makes anti-gas-leak O-ring seal wearing and tearing gas leakage easily, constitutes dangerous; The 3rd defective is: is equiped with a normally open gear in the timer arrangement, do not cook diet, forget when closing combustion gas, might cause burning foods and transport out of the kitchen when the user has set time, or the generation of the major accident of catching fire.
Summary of the invention:
In order to overcome the technological deficiency of above-mentioned fuel safety protecting valve, a kind of modified model provided by the invention is the fuel safety protecting valve regularly, and it is in original patent (patent No.: improve forming on basis ZL03238911.6); Not only stable work in work anti-gas-leak O-ring seal wearing and tearing gas leakage can not occur and constitute dangerous problem, forgets the generation of closing combustion gas and causing the major accident of catching fire nor the user can occur.Technological scheme:
According to above-mentioned purpose; A kind of modified model provided by the invention is the fuel safety protecting valve regularly; It comprises valve chest; Valve chest is divided into lower shell body and upper shell, is characterized in: upper shell has the gas-entered passageway, accidental gas leakage pass air valve seat, reverse pressure regulation mouth, gaseous-pressure chamber, the timing that are interconnected and closes air valve seat, outlet passageway; Between upper shell and lower shell body, install an elastic rubber diaphragm, and at elastic rubber diaphragm center position, installing pressure regulation drag hook; The pressure regulation lever is installed on the lever moving fulcrum; One end inserts in the pressure regulation drag hook; The other end is lived with the pressure regulation push rod and is connected, and matches with reverse pressure regulation mouth at pressure regulation rubber stopper of the terminal installing of pressure regulation push rod, and the air pressure superelevation is closed automatically or regulate the effect of stablizing air pressure automatically to reach; In gas-entered passageway, install one and forward close gas elastic force spool and accidental gas leakage and close air valve seat and match; Insert the spool push rod in the pass gas elastic force spool forward and pass reverse 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 get into the normal effect of using in the gaseous-pressure chamber, reach also simultaneously that pipe gas leakage appears taking off in accident or the pressure of stopping the supple of gas or steam is lower than the effect of closing automatically when setting use value; The center position in the outer end of lower shell body is installed an automatically reset starting drive, and described starting drive comprises that a waist shape starts pull-button; Installing is one in waist shape startup pull-button, and the outer end is provided with the outer spring screens and helps pull a cart with the inner hollow startup that is provided with the screens of startup pull bar; Insert during hollow startup helps pull a cart starting pull bar, the interior startup pull bar screens activity during an end and hollow startup are helped pull a cart sticks, and the other end and pressure regulation drag hook lower ends connect; Spring screens and hollow startup are helped pull a cart between the outer spring screens in the lower shell body bottom, are inserted in an automatic-reset spring and head on each other, with after reaching starting drive and activating to open combustion gas, can automatically resetly act on; Center position above upper shell is installed regularly main switch device of a spiral spring power operation type, between timing main switch device and upper shell, installs an anti-gas-leak elastomer diaphragm, to reach the effect of combustion gas toward external leakage that prevent; At the elastomer diaphragm center position, install a timing and close gas elastic force pull bar; Insert timing pass gas elastic force pull bar and pass the air valve seat place, timing pass in the upper shell, and connect a timing and close gas elastic force spool and form back pressure and regularly close gas combustion; Described timing main switch device comprises the timer housing, and the inner installing walking of timer housing small gear matches with power clockwork spring medium power; Insert the active force running shaft that can slide up and down flexibly at power clockwork spring center; Active force running shaft one end passes timer housing top and installs a hand switch knob; The other end passes timer housing below and closes the work of gas elastic force pull bar upper end with timing and is connected; When opening combustion gas, can not drive and regularly close that gas elastic force spool rotates freely and the effect that influences normal use to reach artificial rotation manual switch knob; In the active force running shaft, also be inserted in a roundel; And the protruding tooth of installing matches with depression below the power clockwork spring in roundel; Regularly close gas elastic force spool and leave and regularly close air valve seat to reach to regulate to press down to back down; Make combustion gas normally export use, rise to reset with timing automatic and close the effect of combustion gas.This [modified model is fuel safety protecting valve regularly] if remove regularly closing function, also can be used as common safety protective valve and uses (detailed description is not arranged, be appreciated that).
Beneficial effect:
A kind of modified model provided by the invention regularly fuel safety protecting valve has following several beneficial effects:
(1), because main switch device regularly is that a kind of user uses the timing main switch that must open before the combustion gas, so the user uses combustion gas to cook diet finish after, even forget and close combustion gas, it also can guarantee safety by automatic self-closing gas;
(2), since starting drive and main switch device regularly all be installed in outside the gaseous-pressure district, so fortune can not exist O-ring seal wearing and tearing gas leakage to constitute dangerous forever;
(3), stable work in work, no matter in high-pressure gas or low-pressure fuel gas, use,, all can guarantee safety by automatic self-closing gas if accident is taken off pipe gas leakage;
Can also guarantee safety by automatic self-closing gas when (4), pipeline company stops the supple of gas or steam; After stopping the supple of gas or steam, even supply gas pressure is when setting hundreds of times of situation of safe handling pressure once more, can not opened automatically yet constitute dangerous.
Description of drawings:
Below in conjunction with accompanying drawing a kind of modified model fuel safety protecting valve provided by the invention is done further to specify;
Fig. 1 is the side-looking structural representation of a kind of modified model fuel safety protecting valve normal ventilation provided by the invention when using;
Fig. 2 is a kind of modified model fuel safety protecting valve accidental gas leakage provided by the invention and the timing automatic side-looking structural representation when closing combustion gas.
Among Fig. 1,1, valve chest; 2, lower shell body; 3, upper shell; 4, gas-entered passageway, 5, accidental gas leakage close air valve seat; 6, reverse pressure regulation mouth; 7, gaseous-pressure chamber; 8, regularly close air valve seat; 9, outlet passageway; 10, elastic rubber diaphragm; 11, pressure regulation drag hook; 12, pressure regulation lever; 13, active lever fulcrum; 14, pressure regulation push rod; 15, pressure regulation rubber stopper; 16, forward close gas elastic force spool; 17, spool push rod; 18, starting drive; 19, waist shape starts pull-button; 20, outer spring screens; 21, interior startup pull bar screens; 22, hollow startup is helped pull a cart; 23, start pull bar; 24, lower shell body bottom spring screens; 25, automatic-reset spring; 26, timing main switch device; 27, elastomer diaphragm; 28, regularly close gas elastic force pull bar; 29, active force running shaft; 30, regularly close gas elastic force spool; 31, timer housing; 32, walking small gear; 33, power clockwork spring; 34, hand switch knob; 35, roundel; 36, protruding tooth; 37, depression.
Embodiment:
(as shown in fig. 1), a kind of modified model provided by the invention is the fuel safety protecting valve regularly, and it comprises valve chest (1), and valve chest (1) is divided into lower shell body (2) and upper shell (3); Be characterized in: upper shell (3) has the gas-entered passageway (4), accidental gas leakage pass air valve seat (5), reverse pressure regulation mouth (6), gaseous-pressure chamber (7), the timing that are interconnected and closes air valve seat (8), outlet passageway (9); Between upper shell (3) and lower shell body (2), install an elastic rubber diaphragm (10), and at elastic rubber diaphragm (10) center position, installing pressure regulation drag hook (11); Pressure regulation lever (12) is installed on the lever moving fulcrum (13); One end inserts in the pressure regulation drag hook (11); The other end is lived with pressure regulation push rod (14) and is connected; And install a pressure regulation rubber stopper (15) at pressure regulation push rod (14) end and match with reverse pressure regulation mouth (6), the air pressure superelevation is closed automatically or regulate the effect of stablizing air pressure automatically to reach; In gas-entered passageway (4), install one and forward close gas elastic force spool (16) and accidental gas leakage and close air valve seat (5) and match; Insert the spool push rod (17) in the pass gas elastic force spool (16) forward and pass reverse pressure regulation mouth (6) and locate; And head on the terminal pressure regulation rubber stopper (15) of pressure regulation push rod (14) 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 get into the normal effect of using in the gaseous-pressure chamber, reach also simultaneously that pipe gas leakage appears taking off in accident or the pressure of stopping the supple of gas or steam is lower than the effect of closing automatically when setting use value; At the outer end center position of lower shell body (2), install an automatically reset starting drive (18), described starting drive (18) comprises that a waist shape starts pull-button (19); Start in the pull-button (19) one of installing waist shape, the outer end is provided with hollow startup that outer spring screens (20) and the inner be provided with startup pull bar screens (21) help pull a cart (22); Insert hollow startup and help pull a cart in (22) starting pull bar (23), interior startup pull bar screens (21) activity that an end and hollow startup are helped pull a cart in (22) sticks, and the other end and pressure regulation drag hook (11) lower ends connect; Help pull a cart between the outer spring screens (20) in lower shell body (2) bottom spring screens (24) and hollow startup, be inserted in an automatic-reset spring (25) and head on each other,, can automatically resetly act on after reaching starting drive (18) and activating to open combustion gas; At the top center position of upper shell (3), install regularly main switch device (26) of a spiral spring power operation type; Between timing main switch device (26) and upper shell (3), install an anti-gas-leak elastomer diaphragm (27), to reach the effect of combustion gas that prevent toward external leakage; At elastomer diaphragm (27) center position; Install a timing and close gas elastic force pull bar (28); Insert the timing pass in the upper shell (3) to timing pass gas elastic force pull bar (28) and close air valve seat (8), and connect a timing and close gas elastic force spool (30) and form back pressure and regularly close gas combustion; Described timing main switch device (26) comprises timer housing (31), and the inner installing walking small gear of timer housing (31) (32) matches with power clockwork spring (33) medium power; Insert the active force running shaft (29) that can slide up and down flexibly at power clockwork spring (33) center; Active force running shaft (29) one ends pass timer housing (31) top and install a hand switch knob (34); The other end passes timer housing (31) below and closes the work of gas elastic force pull bar (27) upper end with timing and is connected; To reach artificial rotation manual switch knob (34) when opening combustion gas, can not drive and regularly close that gas elastic force spool (30) rotates freely and the effect that influences normal use; In active force running shaft (29), also be inserted in a roundel (35); And the protruding tooth of installing (36) matches with the depression (37) of power clockwork spring (33) below in roundel (35); Regularly close gas elastic force spool (30) and leave and regularly close air valve seat (8) to reach to regulate to press down to back down; Make combustion gas normally export use, rise to reset with timing automatic and close the effect of combustion gas.This [modified model is fuel safety protecting valve regularly] if remove regularly closing function, also can be used as common safety protective valve and uses (detailed description is not arranged, be appreciated that).
Installation and application and working principle explanation:
(like Fig. 1 and shown in Figure 2); When mounted; Connect fuel gas source to gas-entered passageway (4) one ends of this [modified model is the fuel safety protecting valve regularly] earlier, outlet passageway (9) one ends connect domestic gas cooking stove or household water heater (diagram that connects the combustion gas tool is not arranged, be appreciated that); When using; Hand switch knob (34) from timing main switch device (26) turns clockwise earlier; And the raised points (36) that makes installing in the roundel (35) heads on power clockwork spring (33) bottom, makes regularly forward to close gas elastic force spool (30) and leave and regularly close air valve seat (8); Then; The drop-down automatically reset starting drive (18) of exerting oneself again, and make hollow startup help pull a cart (22), start pull bar (23), pressure regulation lever (12), pressure regulation push rod (14), pressure regulation rubber stopper (15), the common interlock of spool push rod (17) to back down and forward close gas elastic force spool (16); At this moment, should [modified model regularly fuel safety protecting valve] outside elastic rubber diaphragm (10), under the control of swelling pressure power, just can normally use.When burning run-down gas and pipeline company because of catching fire, flexible rubber hose accidental or flexible rubber hose stop the supple of gas or steam pressure during less than the setting working pressure; The described gas elastic force spool (16) that forward closes; Under the acting in conjunction of the elastic force of elastic rubber diaphragm (10) and the spring force that forward closes gas elastic force spool (16), just can close combustion gas along the gasmovement direction automatically and guarantee safety.Finish when the user cooks diet, can align raised points and the depression (37) that hand switch knob (34) are rotated counterclockwise to the roundel (35), under the effect of regularly closing gas elastic force pull bar (28) rising elastic force, just can close with combustion gas automatically and guarantee safety; If the user forgets when closing combustion gas, also can postpone some time automatic self-closing gas and guarantee safety.
Claims (1)
1. modified model fuel safety protecting valve regularly, it comprises valve chest (1), valve chest (1) is divided into lower shell body (2) and upper shell (3); It is characterized in that: upper shell (3) has the gas-entered passageway (4), accidental gas leakage pass air valve seat (5), reverse pressure regulation mouth (6), gaseous-pressure chamber (7), the timing that are interconnected and closes air valve seat (8), outlet passageway (9); Between upper shell (3) and lower shell body (2), install an elastic rubber diaphragm (10), and at elastic rubber diaphragm (10) center position, installing pressure regulation drag hook (11); Pressure regulation lever (12) is installed on the lever moving fulcrum (13), and an end inserts in the pressure regulation drag hook (11), and the other end is lived with pressure regulation push rod (14) and is connected, and matches with reverse pressure regulation mouth (6) at the terminal pressure regulation rubber stopper of installing of pressure regulation push rod (14) (15); In gas-entered passageway (4), install one and forward close gas elastic force spool (16) and accidental gas leakage and close air valve seat (5) and match; Insert the spool push rod (17) in the pass gas elastic force spool (16) forward and pass reverse pressure regulation mouth (6) and locate, and head on the terminal pressure regulation rubber stopper (15) of pressure regulation push rod (14); At the outer end center position of lower shell body (2), install an automatically reset starting drive (18); Described starting drive (18) comprises that a waist shape starts pull-button (19); Start in the pull-button (19) one of installing waist shape, the outer end is provided with hollow startup that outer spring screens (20) and the inner be provided with startup pull bar screens (21) help pull a cart (22); Insert hollow startup and help pull a cart in (22) starting pull bar (23), interior startup pull bar screens (21) activity that an end and hollow startup are helped pull a cart in (22) sticks, and the other end and pressure regulation drag hook (11) lower ends connect; Help pull a cart between the outer spring screens (20) in lower shell body (2) bottom spring screens (24) and hollow startup, be inserted in an automatic-reset spring (25) and head on each other; At the top center position of upper shell (3), install regularly main switch device (26) of a spiral spring power operation type; Between timing main switch device (26) and upper shell (3), install an anti-gas-leak elastomer diaphragm (27); At elastomer diaphragm (27) center position, install a timing and close gas elastic force pull bar (28); Insert the timing pass in the upper shell (3) to timing pass gas elastic force pull bar (28) and close air valve seat (8) and locate, and connect a timing and close gas elastic force spool (30); Described timing main switch device (26) comprises timer housing (31); The inner installing walking small gear of timer housing (31) (32) matches with power clockwork spring (33) medium power, inserts the active force running shaft (29) that can slide up and down flexibly at power clockwork spring (33) center; Active force running shaft (29) one ends pass timer housing (31) top and install a hand switch knob (34), the other end pass timer housing (31) below and with regularly close gas elastic force pull bar (27) upper end and live and be connected; In active force running shaft (29), also be inserted in a roundel (35), and the depression of in roundel (35), installing below protruding tooth (36) and the power clockwork spring (33) (37) is involutory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100564797A CN102654208A (en) | 2011-03-02 | 2011-03-02 | Improved timing gas safety protection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100564797A CN102654208A (en) | 2011-03-02 | 2011-03-02 | Improved timing gas safety protection valve |
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| Publication Number | Publication Date |
|---|---|
| CN102654208A true CN102654208A (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100564797A Pending CN102654208A (en) | 2011-03-02 | 2011-03-02 | Improved timing gas safety protection valve |
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| CN (1) | CN102654208A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235482A (en) * | 2014-07-23 | 2014-12-24 | 梁聚川 | Gas-cylinder main-valve-opening synchronous timer and installing and using method thereof |
| CN108390276A (en) * | 2018-02-12 | 2018-08-10 | 合肥联信电源有限公司 | A kind of distribution electric box with natural gas automatic detection function |
| CN108626454A (en) * | 2018-05-03 | 2018-10-09 | 丰顺中燃城市燃气发展有限公司 | A kind of City complex fuel gas safety protection valve |
-
2011
- 2011-03-02 CN CN2011100564797A patent/CN102654208A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235482A (en) * | 2014-07-23 | 2014-12-24 | 梁聚川 | Gas-cylinder main-valve-opening synchronous timer and installing and using method thereof |
| CN104235482B (en) * | 2014-07-23 | 2016-05-25 | 梁聚川 | Fuel gas bottle main valve is opened synchro timer and installation and application thereof |
| CN108390276A (en) * | 2018-02-12 | 2018-08-10 | 合肥联信电源有限公司 | A kind of distribution electric box with natural gas automatic detection function |
| CN108626454A (en) * | 2018-05-03 | 2018-10-09 | 丰顺中燃城市燃气发展有限公司 | A kind of City complex fuel gas safety protection valve |
| CN108626454B (en) * | 2018-05-03 | 2024-02-13 | 丰顺中燃城市燃气发展有限公司 | Urban complex gas safety protection valve |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120905 |