CN201844077U - Fuel gas safety protection valve - Google Patents
Fuel gas safety protection valve Download PDFInfo
- Publication number
- CN201844077U CN201844077U CN2010205785867U CN201020578586U CN201844077U CN 201844077 U CN201844077 U CN 201844077U CN 2010205785867 U CN2010205785867 U CN 2010205785867U CN 201020578586 U CN201020578586 U CN 201020578586U CN 201844077 U CN201844077 U CN 201844077U
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- 239000002737 fuel gas Substances 0.000 title abstract description 5
- 229920001971 elastomer Polymers 0.000 claims abstract description 47
- 239000000446 fuel Substances 0.000 claims description 29
- 239000000806 elastomer Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 abstract description 71
- 230000000694 effects Effects 0.000 description 27
- 239000000567 combustion gas Substances 0.000 description 24
- 230000001276 controlling effect Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A fuel gas safety protection valve includes a valve casing, and is characterized in that a positive gas-closing elastic valve core is mounted in a gas inlet channel and matched with a valve seat; a valve core mandril in the positive gas-closing elastic valve core passes through a reverse pressure-adjusting nozzle in an inserted manner, and is propped against a pressure-adjusting rubber plug at the tail end of a pressure-adjusting push rod, so that the gas can be introduced in normal use and be cut off in case of gas leakage by accident; a clockwork power control type or an electronic control type timing switch device is mounted in the center above an upper casing, and a timing positive gas-closing elastic valve core in the timing switch device is matched with the timing positive gas-closing valve seat, so that the gas can be cut off automatically in a timing manner; an automatic-reset start pull handle is mounted in the center at the outer end of a lower casing, and a start pull rod in the start pull handle is inserted into the inner end of the lower casing, and is connected with the lower end of a pressure-adjusting pull hook; and a pressure-adjusting spring is sleeved in the start pull rod, so as to play the function of automatically adjusting the gas pressure when the pressure is ultrahigh.
Description
Technical field:
The utility model relates to a kind of fuel safety protecting valve, relates in particular to have timing automatic and close a kind of fuel safety protecting valve of closing automatically with accidental gas leakage.
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: the problem that is out of order easily, the difficult maintenance; Second kind is super flow gas leakage close type fuel safety protecting valve, and its shortcoming is: the service behaviour instability, and it can only use in bottled high-pressure gas, and is if use in the low pressure pipeline combustion gas, malfunctioning easily; The third is reverse close type fuel safety protecting valve, and its shortcoming is: it can only use in the low pressure pipeline combustion gas of setting suction pressure, if suction pressure when setting working pressure, just it can open gas leakage automatically, constitutes bigger danger; Other is, above-mentioned several fuel safety protecting valves are not all installed timing device as main switch, if the user forget when closing combustion gas, will cause the generation of fire casualty.
Summary of the invention:
In order to overcome the shortcoming of above-mentioned fuel safety protecting valve; a kind of fuel safety protecting valve that the utility model provides; it not only can use in high-pressure gas; still in low-pressure fuel gas, use; when accidental gas leakage occurring, equal energy automatic self-closing gas simultaneously can also be according to user's actual demand; cook diet by set time, prevent to forget the generation of closing combustion gas and causing the major accident of catching fire.
According to above-mentioned purpose, a kind of fuel safety protecting valve that the utility model provides, it comprises valve chest, valve chest is divided into upper shell and lower shell body, be characterized in: upper shell has the gas-entered passageway that is interconnected, valve seat, reverse pressure regulation mouth, the gaseous-pressure chamber, regularly close air valve seat, outlet passageway, between upper shell and lower shell body, install a rubber pressure diaphragm, and at rubber pressure diaphragm center position, installing pressure regulation drag hook, the pressure regulation lever is installed on the balance pivot, one end inserts in the pressure regulation drag hook, the other end is lived with the pressure regulation push rod and is connected, and at pressure regulation rubber stopper of the terminal installing of pressure regulation push rod, matches with reverse pressure regulation mouth; To reach the effect of automatic adjusting suction pressure; In gas-entered passageway, installing one forward closes gas elastic force spool and matches with valve seat, when reducing to reach the pressure that leaks air, automatically close the effect of gas, the spool push rod in the pass gas elastic force spool forward, reverse pressure regulation mouth place is passed in insertion, and heads on mutually with the pressure regulation rubber stopper of pressure regulation push rod end; Utilize combustion gas self pressure control to back down automatically forward to close gas elastic force spool to reach, make combustion gas normally enter effect in the gaseous-pressure chamber; At the outer end of lower shell body center position, install an automatically reset startup handle, the startup pull bar that starts in the handle is inserted lower shell body the inner, and be connected with pressure regulation drag hook lower end; Conveniently activate to open the effect that combustion gas is used to reach; In starting pull bar, also be inserted in a long spring of pressure regulation or short spring; Center position above upper shell, install a spiral spring power controlling type time switching device, between time switching device and upper shell, install an elastomer diaphragm to prevent that combustion gas is toward external leakage, and at the elastomer diaphragm center position, install a timing and close gas elastic force pull bar, head on mutually with active force running shaft lower end in the time switching device; Timing pass gas elastic force pull bar inserted pass regularly air valve seat place, pass, and connect a timing and forward close gas valve core and match; Appropriate position on the time switching device housing is installed a protruding tooth and is matched with rotating disc depression points in the active force running shaft; Forward close gas valve core to reach to regulate to back down regularly, make combustion gas normally export the effect of use; Also install a rotatable handle in active force running shaft upper end; To reach the convenient effect that breakdown regularly forward closes gas valve core of regulating.This fuel safety protecting valve if remove regularly closing function, also can be used as common safety valve and uses, and detailed description is not arranged, and is appreciated that.
This fuel safety protecting valve also comprises a kind of electronic control type fuel safety protecting valve, described electronic control type fuel safety protecting valve, and it comprises valve chest, valve chest is divided into upper shell and lower shell body; Be characterized in: upper shell has the gas-entered passageway, 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 a rubber pressure diaphragm, and at rubber pressure diaphragm center position, installing pressure regulation drag hook; The pressure regulation lever is installed on the balance pivot, 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 reverse pressure regulation mouth at pressure regulation rubber stopper of the terminal installing of pressure regulation push rod; To reach the effect of automatic adjusting suction pressure; In gas-entered passageway, install one and forward close gas elastic force spool and match with valve seat, when reducing, close the effect of gas automatically to reach the pressure that leaks air; Spool push rod in the pass gas elastic force spool forward inserted pass reverse pressure regulation mouth place, and head on mutually with the pressure regulation rubber stopper of pressure regulation push rod end; Utilize combustion gas self pressure control to back down automatically forward to close gas elastic force spool to reach, make combustion gas normally enter effect in the gaseous-pressure chamber; At the outer end of lower shell body center position, install an automatically reset startup handle, the startup pull bar that starts in the handle is inserted lower shell body the inner, and be connected with pressure regulation drag hook lower end, conveniently activate to open the effect that combustion gas is used to reach; In starting pull bar, also be inserted in a long spring of pressure regulation or short spring; Be characterized in: described spiral spring power formula time switching device is removed, and change and use an electronic control type time switching device, described electronic control type time switching device, it comprises a switch lever, gas valve core is forward closed in a timing, the commercially available timing automatic that has is closed gas, detects the electronic controller that closes gas automatically with gas leakage; Elastomer diaphragm of installing between electronic control type time switching device and upper shell, in elastomer diaphragm center position installing switch lever, and be inserted in the electromagnetic power coil that a timing automatic is closed gas in switch lever upper end, the lower end is inserted in one and is opened pneumoelectric magnetomotive coil; The appropriate position is also installed one recessed trench and is inserted Xiao with elastic limit and match in switch lever; To reach the effect that makes the electronic controller auto-power-off energy-saving; The switch lever lower end inserted pass regularly air valve seat place, pass, and connect a timing and forward close gas valve core and match; Described timing automatic is closed pneumoelectric magnetomotive coil and is opened pneumoelectric magnetomotive coil and also be connected electronic controller by electric line.
Beneficial effect:
The beneficial effects of the utility model are: (1), stable work in work can be not out of control, do not need manual maintenance; (2), in high-pressure gas and low-pressure fuel gas, use, all can reach the Cui effect of safety protection; (3), can timing automatic close gas, prevent that people from forgetting the generation of closing gas and causing gas leakage or fire casualty; (4), electronic controller also has the effect leaking hunting automatically and reporting to the police and control pass gas automatically.
Description of drawings:
Below in conjunction with accompanying drawing a kind of fuel safety protecting valve that the utility model provides is described in further detail;
Fig. 1 is the side-looking structural representation of a kind of spiral spring power controlling type fuel safety protecting valve of providing of the utility model;
Fig. 2 is a kind of fuel safety protecting valve side-looking structural representation that removes timing function that the utility model provides;
Fig. 3 is the side-looking structural representation of a kind of electronic control type fuel safety protecting valve of providing of the utility model;
Among Fig. 1,1, valve chest; 2, upper shell; 3, lower shell body; 4, gas-entered passageway, 5, valve seat; 6, reverse pressure regulation mouth; 7, gaseous-pressure chamber; 8, regularly close air valve seat; 9, outlet passageway; 10, rubber pressure diaphragm; 11, pressure regulation drag hook; 12, pressure regulation lever; 13, balance pivot; 14, pressure regulation push rod; 15, pressure regulation rubber stopper; 16, forward close gas elastic force spool; 17, spool push rod; 18, start handle; 19, start pull bar; 20, long spring of pressure regulation or short spring; 21, spiral spring power controlling type time switching device; 22, elastomer diaphragm; 23, elastic force pull bar; 24, time switching device active force running shaft; 25, regularly forward close gas valve core; 26, protruding tooth; 27, depression points on the rotating disc; 28, rotatable handle.
Among Fig. 2,1, valve chest; 2, upper shell; 3, lower shell body; 4, gas-entered passageway; 5, valve seat; 6, reverse pressure regulation mouth; 7, gaseous-pressure chamber; 8, regularly close air valve seat; 9, outlet passageway; 10, rubber pressure diaphragm; 11, pressure regulation drag hook; 12, pressure regulation lever; 13, balance pivot; 14, pressure regulation push rod; 15, pressure regulation rubber stopper; 16, forward close gas elastic force spool; 17, spool push rod; 18, start handle; 19, start pull bar; 20, long spring of pressure regulation or short spring; 21, electronic control type time switching device; 22, switch lever; 23, regularly forward close gas valve core; 24, electronic controller; 25, elastomer diaphragm; 26, close pneumoelectric magnetomotive coil; 27, open pneumoelectric magnetomotive coil; 28, recessed trench; 29, elastic limit is inserted Xiao; 30, electric line.
Embodiment:
(as shown in Figure 1), a kind of fuel safety protecting valve that the utility model provides, it comprises valve chest (1), valve chest (1) is divided into upper shell (2) and lower shell body (3); Be characterized in: upper shell (1) has the gas-entered passageway (4), 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 (2) and lower shell body (3), install a rubber pressure diaphragm (10), and at rubber pressure diaphragm (10) center position, installing pressure regulation drag hook (11); Pressure regulation lever (12) is installed on the balance pivot (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); To reach the effect of automatic adjusting suction pressure; In gas-entered passageway (4), install one and forward close gas elastic force spool (16) and match with valve seat (5), close the effect of gas when reducing automatically to reach the pressure that leaks air; Spool push rod (17) in the pass gas elastic force spool (16) forward inserted pass reverse pressure regulation mouth (6) and locate, and head on mutually with the terminal pressure regulation rubber stopper (15) of pressure regulation push rod (14); Utilize combustion gas self pressure control to back down automatically forward to close gas elastic force spool (16) to reach, make combustion gas normally enter effect in the gaseous-pressure chamber; At the outer end center position of lower shell body (3), install an automatically reset startup handle (18), the startup pull bar (19) that starts in the handle is inserted lower shell body (3) the inner, and be connected with pressure regulation drag hook (11) lower end; Conveniently activate to open the effect that combustion gas is used to reach; In starting pull bar (19), also be inserted in a long spring of pressure regulation or short spring (20); Top center position at upper shell (2), install a spiral spring power controlling type time switching device (21), between time switching device (21) and upper shell (2), install an elastomer diaphragm (22) to prevent that combustion gas is toward external leakage, and at elastomer diaphragm (22) center position, install a timing and close gas elastic force pull bar (23), head on mutually with active force running shaft (24) lower end in the time switching device; Timing pass gas elastic force pull bar (23) inserted to pass regularly close air valve seat (8) and locate, and connect a timing and forward close gas valve core (25) and match; Appropriate position on time switching device (21) housing is installed a protruding tooth (26) and is matched with rotating disc depression points (27) in the active force running shaft (24); Forward close gas valve core (25) to reach to regulate to back down regularly, make combustion gas normally export the effect of use; Also install a rotatable handle (28) in active force running shaft (24) upper end; To reach the convenient effect that breakdown regularly forward closes gas valve core (25) of regulating.(as shown in Figure 2), this fuel safety protecting valve if remove regularly closing function, also can be used as common safety valve and uses, and belongs to yarn row product, and detailed description is not arranged, and is appreciated that.
This fuel safety protecting valve also comprises a kind of electronic control type fuel safety protecting valve, described electronic control type fuel safety protecting valve, and it comprises valve chest (1), valve chest (1) is divided into upper shell (2) and lower shell body (3); Be characterized in: upper shell (2) has the gas-entered passageway (4), 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 (2) and lower shell body (3), install a rubber pressure diaphragm (10), and at rubber pressure diaphragm (10) center position, installing pressure regulation drag hook (11); Pressure regulation lever (12) is installed on the balance pivot (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); To reach the effect of automatic adjusting suction pressure; In gas-entered passageway (4), install one and forward close gas elastic force spool (16) and match with valve seat (5), when reducing, close the effect of gas automatically to reach the pressure that leaks air; Spool push rod (17) in the pass gas elastic force spool (16) forward inserted pass reverse pressure regulation mouth (6) and locate, and head on mutually with the terminal pressure regulation rubber stopper (15) of pressure regulation push rod (14); Utilize combustion gas self pressure control to back down automatically forward to close gas elastic force spool (16) to reach, make combustion gas normally enter effect in the gaseous-pressure chamber (7); At the outer end center position of lower shell body (3), install an automatically reset startup handle (18), the startup pull bar (19) that starts in the handle (18) is inserted lower shell body (3) the inner, and be connected with pressure regulation drag hook (11) lower end; Conveniently activate to open the effect that combustion gas is used to reach; In starting pull bar (19), also be inserted in a long spring of pressure regulation or short spring (20); Be characterized in: described spiral spring power formula time switching device (21) is removed, and change and use an electronic control type time switching device (21), described electronic control type time switching device (21), it comprises a switch lever (22), gas valve core (23) is forward closed in a timing, the commercially available timing automatic that has is closed gas, detects the electronic controller (24) that closes gas automatically with gas leakage; An installing elastomer diaphragm (25) between electronic control type time switching device (21) and upper shell (2), in elastomer diaphragm (25) center position installing switch lever (22), and on switch lever (22), being inserted in the electromagnetic power coil (26) that a timing automatic is closed gas, an electromagnetic power coil (27) of opening gas is inserted in the lower end; The appropriate position is also installed one recessed trench (28) and elastic limit and is inserted Xiao (29) and match in switch lever (22); To reach the effect that makes electronic controller (24) auto-power-off energy-saving; Switch lever (22) lower end inserted to pass regularly close air valve seat (8) and locate, and connect a timing and forward close gas valve core (23) and match; Described timing automatic is closed pneumoelectric magnetomotive coil (26) and is opened pneumoelectric magnetomotive coil (27) and also be connected electronic controller (24) by electric line (30).Installation and application and working principle explanation:
(as shown in Figure 1), when mounted, earlier gas-entered passageway (4) one ends of this fuel safety protecting valve are connected fuel gas source, 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, earlier the rotatable handle in the time switching device (28) is turned clockwise, and protruding tooth (26) and the rotating disc depression points (27) in the active force running shaft (24) in time switching device (21) housing are interacted, back down and regularly forward close gas valve core (25); Then, starting handle (18) pulled down, make pressure regulation lever (12) drive pressure regulation push rod (14) again, back down elastic force spool (16) with pressure regulation rubber stopper (15) the spool push rod (17) of ining succession, at this moment, combustion gas can normally enter in the gaseous-pressure chamber (7); Under the effect of gaseous-pressure, rubber pressure diaphragm (10) rises outward and drives pressure regulation drag hook (11), pressure regulation lever (12), pressure regulation push rod (14), pressure regulation rubber stopper (15) the spool push rod (17) of ining succession and back down elastic force spool (16) proper functioning, when accident is taken off pipe or flexible rubber hose because of catching fire burning during run-down gas, because pressure reduces in the gaseous-pressure chamber (7), under the effect of forward closing gas elastic force spool (16) elastic force and the long spring of pressure regulation or short spring (20), just can close gas automatically; When the user forgets when closing combustion gas, because time switching device (18) has the function that timing automatic is closed gas, institute is so that can automatic self-closing gas; If the user needs the correct time cooking food, can from time switching device (18), regulate obtaining; When the house lead in gaseous-pressure when setup pressure value is constant, the short spring of described pressure regulation (20) does not play the effect of regulating air pressure, but it can control charge flow rate, guarantees normal use; When house lead in gaseous-pressure during greater than the setup pressure value scope, the short spring of described pressure regulation (20) just can play automatic adjusting house lead in gaseous-pressure, guarantees to use gas safety.
(as shown in Figure 3), described electronic control type fuel safety protecting valve, its using method and Fig. 1 are basic identical, but timing controlled must be regulated from electronic controller (24) and obtained.
This fuel safety protecting valve belongs to a kind of multifunctional safe Protective valve, and it can use in bottled high-pressure gas or pipeline high-pressure gas, also can directly use in the low pressure pipeline combustion gas, also can use in gas combustion automobile.
Claims (2)
1. fuel safety protecting valve, it comprises valve chest (1), valve chest (1) is divided into upper shell (2) and lower shell body (3); It is characterized in that: upper shell (2) have the gas-entered passageway (4) that is interconnected, valve seat (5), reverse pressure regulation mouth (6),, gaseous-pressure chamber (7), regularly close air valve seat (8), outlet passageway (9); Between upper shell (2) and lower shell body (3), install a rubber pressure diaphragm (10), and at rubber pressure diaphragm (10) center position, installing pressure regulation drag hook (11); Pressure regulation lever (12) is installed on the balance pivot (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 match with valve seat (5); Spool push rod (17) in the pass gas elastic force spool (16) forward inserted pass reverse pressure regulation mouth (6) and locate, and head on mutually with the terminal pressure regulation rubber stopper (15) of pressure regulation push rod (14); At the outer end center position of lower shell body (3), install an automatically reset startup handle (18), the startup pull bar (19) that starts in the handle is inserted lower shell body (3) the inner, and be connected with pressure regulation drag hook (11) lower end; In starting pull bar (19), also be inserted in a long spring of pressure regulation or short spring (20); Top center position at upper shell (2), install a spiral spring power controlling type time switching device (21), between time switching device (21) and upper shell (2), install an elastomer diaphragm (22), and at elastomer diaphragm (22) center position, install a timing and close gas elastic force pull bar (23), head on mutually with active force running shaft (24) lower end in the time switching device (21); Timing pass gas elastic force pull bar (23) inserted to pass regularly close air valve seat (8) and locate, and connect a timing and forward close gas valve core (25) and match; Appropriate position on time switching device (21) housing is installed a protruding tooth (26) and is matched with rotating disc depression points (27) in the active force running shaft (24); Also install a rotatable handle (28) in active force running shaft (24) upper end.
2. fuel safety protecting valve, it comprises valve chest (1), valve chest (1) is divided into upper shell (2) and lower shell body (3); Upper shell (2) has the gas-entered passageway (4), 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 (2) and lower shell body (3), install a rubber pressure diaphragm (10), and at rubber pressure diaphragm (10) center position, installing pressure regulation drag hook (11); Pressure regulation lever (12) is installed on the balance pivot (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 match with valve seat (5); The spool push rod (17) in the pass gas elastic force spool (16) forward, insert and pass reverse pressuring adjusting valve base (6) and locate, and head on mutually with the terminal pressure regulation rubber stopper (15) of pressure regulation push rod (14); At the outer end center position of lower shell body (3), install an automatically reset startup handle (18), the startup pull bar (19) that starts in the handle is inserted lower shell body (3) the inner, and be connected with pressure regulation drag hook (11) lower end; In starting pull bar (19), also be inserted in a long spring of pressure regulation or short spring (20); It is characterized in that: described spiral spring power controlling type time switching device is removed, and change and use an electronic control type solenoid valve time switching device (21), described electronic control type solenoid valve time switching device (21), it comprises a switch lever (22), gas valve core (23) is forward closed in a timing, the commercially available timing automatic that has is closed gas, detects the electronic controller (24) that closes gas automatically with gas leakage; An installing elastomer diaphragm (25) between electronic control type solenoid valve time switching device (21) and upper shell (2), in elastomer diaphragm center position installing switch lever (22), and be inserted in a timing automatic in switch lever (22) upper end and close pneumoelectric magnetomotive coil (26), the lower end is inserted in one and is opened pneumoelectric magnetomotive coil (27); Appropriate position in switch lever (22) is also installed one recessed trench (28) and is matched with slotting Xiao (29) of elastic limit; Switch lever (22) lower end inserted to pass regularly close air valve seat (8) and locate, and connect a timing and forward close gas valve core (23) and match; Described timing automatic is closed pneumoelectric magnetomotive coil (26) and is opened pneumoelectric magnetomotive coil (27), also connects electronic controller (24) by electric line (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205785867U CN201844077U (en) | 2010-10-18 | 2010-10-18 | Fuel gas safety protection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205785867U CN201844077U (en) | 2010-10-18 | 2010-10-18 | Fuel gas safety protection valve |
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| Publication Number | Publication Date |
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| CN201844077U true CN201844077U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205785867U Expired - Lifetime CN201844077U (en) | 2010-10-18 | 2010-10-18 | Fuel gas safety protection valve |
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| CN (1) | CN201844077U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705551A (en) * | 2012-06-08 | 2012-10-03 | 河南平高电气股份有限公司 | Electromagnetic differential safety valve |
| CN102865393A (en) * | 2011-07-05 | 2013-01-09 | 黄良京 | Automatic cutoff valve for pipe gas |
| 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 |
| CN106439140A (en) * | 2016-11-24 | 2017-02-22 | 中国计量大学 | Pressure regulating and ejecting integrated device for LPG mixed air |
| TWI749659B (en) * | 2020-07-22 | 2021-12-11 | 陳俊年 | Gas pipeline timing control valve structure |
-
2010
- 2010-10-18 CN CN2010205785867U patent/CN201844077U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865393A (en) * | 2011-07-05 | 2013-01-09 | 黄良京 | Automatic cutoff valve for pipe gas |
| CN102705551A (en) * | 2012-06-08 | 2012-10-03 | 河南平高电气股份有限公司 | Electromagnetic differential safety valve |
| CN102705551B (en) * | 2012-06-08 | 2014-04-09 | 河南平高电气股份有限公司 | Electromagnetic differential safety valve |
| 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 |
| CN106439140A (en) * | 2016-11-24 | 2017-02-22 | 中国计量大学 | Pressure regulating and ejecting integrated device for LPG mixed air |
| TWI749659B (en) * | 2020-07-22 | 2021-12-11 | 陳俊年 | Gas pipeline timing control valve structure |
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| Date | Code | Title | Description |
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| 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: 20130426 |
|
| 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: 20130426 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 Hainan Baiju procuratorial 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |