CN106151630B - External fusing control device for dangerous-combustion automatic gas-cutting off gas channel - Google Patents

External fusing control device for dangerous-combustion automatic gas-cutting off gas channel Download PDF

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Publication number
CN106151630B
CN106151630B CN201610677599.1A CN201610677599A CN106151630B CN 106151630 B CN106151630 B CN 106151630B CN 201610677599 A CN201610677599 A CN 201610677599A CN 106151630 B CN106151630 B CN 106151630B
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gas
pipe
fusible
rope
fusible rope
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CN106151630A (en
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黄健阳
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/40Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
    • F16K17/406Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint the fracturing member being a generally elongated member, e.g. rod or wire, which is directly connected to a movable valve member, the breaking or buckling of the elongated member allowing the valve member to move to a closed or open position

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Emergency Lowering Means (AREA)

Abstract

An external fusing control device of a dangerous-combustion automatic gas-cutting off gas channel pipe is provided with a gas-stopping valve body at a gas source connection section of a gas pipe, and 1-4 fuse channel pipes are respectively arranged along the length of the gas pipe or the length close to the gas pipe between the gas-stopping valve body and the outer wall of the gas pipe connected with the gas pipe; the fusible rope channel pipe is internally provided with a pull ring which is connected with a fusible rope through a choke valve connecting rod, the outer ends of the fuse pipe orifices which are communicated with the fuse pipe and face the ends of the burner are respectively provided with fusible rope connecting end non-return clamping heads, the interface of the burner is provided with a stretching rod combined tightening hoop, the fusible rope connecting clamping heads are sleeved into the non-return rod bayonet, and after tightening, the fusible rope connecting clamping heads are pushed into the front of the burner. The invention is safe and reliable, has flexible and wide application and convenient maintenance, and can be widely used for household natural gas pipes, household liquefied gas pipes, medium-pressure pipes for catering industry, industrial gas pipes and the like of various materials.

Description

External fusing control device for dangerous-combustion automatic gas-cutting off gas channel
Technical Field
Relates to an external fusing control device for a gas pipe with automatic gas interruption when the gas pipe is in dangerous combustion.
Background
The existing automatic gas-cutting flameout device for the dangerous combustion of the gas pipe has the advantages that the gas-cutting valve and the control device are arranged in the gas pipe, the sealing performance of the gas-cutting valve is good, but when the gas pipe leaks and burns, besides the pipe joint falls off, the wall thickness of the gas pipe is required to burn and melt the fusible rope to be blown out, and the gas-cutting valve is only extinguished in tens of seconds.
Disclosure of Invention
The invention aims to provide an automatic gas-cutting fusible rope control device for dangerous combustion of a gas pipe, which is controlled by fusible ropes between the outer walls of the gas pipe, when the gas pipe is burned out, any fusible rope can be quickly fused within a few seconds, and flame is extinguished immediately.
The technical scheme of the invention is that a gas-blocking valve body is arranged at a gas source connection section of a gas pipe, and the gas-blocking valve is characterized in that a pull ring for connecting a fusible rope through a gas-blocking valve connecting rod is arranged between the gas-blocking valve body and the outer wall of the gas pipe connected with the gas pipe, and 1-4 fusible rope channel pipes (fuse pipes for short) are respectively arranged along the length of the gas pipe or the length of the gas pipe, and the outer ends of fuse pipe orifices communicated with the fuse pipes towards the ends of the gas tools are respectively provided with a fusible rope connecting end non-return chuck. In order to prevent the high-risk section of the interface of the burner from being leaked and burnt, the interface of the burner is provided with a stretching rod combined tightening hoop, a fusible rope connecting clamping head is sleeved into a check rod bayonet, and after tightening, the fusible rope connecting clamping head is pushed into the front of the burner.
The automatic gas-cutting-off fusing device for dangerous combustion of gas pipe has pull ring connected to gas source end choke valve rod and fusible rope, fuse pipe connected to the two ends of fusible rope, and check chuck connected to the two ends of fusible rope and stretched by the controller. The clamping heads at the two ends are in a mutual traction stress state, when one fusible rope fuses when meeting fire, the valve is automatically closed and disconnected under the action of a tension spring and a valve pressure spring for connecting the pull ring.
The two fuse tubes for enabling the gas tube to extinguish more quickly are provided with a vent hole with a space on the outer side wall of the tube, the fusible rope can be quickly fused when meeting fire, and the vent hole surface can also be provided with a fusible film to prevent greasy dirt or insects from entering the tube.
The outside suspension pipe orifice of the fuse pipe orifice at the gas appliance end is enlarged, which is more beneficial to the easy-to-fuse rope to slide into the pipe when fusing.
The gas pipe is characterized in that the two ends of the gas pipe are provided with the fusing device gas pipe with screw cap connectors, the edges of the ends of the gas pipe connectors of the gas appliance are provided with non-return (return) clips, and after the connectors are screwed down by a user, the clips of the fusible rope ends are sleeved in the non-return clips.
The gas pipe of the fusing device is also suitable for being connected with a pressure reducing valve of a special liquefied gas breaking device, an elastic choke valve is additionally arranged in the inner cavity of the pressure reducing valve, and a fusible rope is hooked and connected with a guide angle pull ring through a movable positioning ring.
The connecting device can be automatically installed or detached and maintained by a user, and the two ends of the gas pipe interface are free from any gas leakage and easy to rapidly cut off and flameout.
The fusible rope is provided with a reset elastic device, the elastic device is divided into two types, namely a connecting ring which is communicated with the fusible rope outside the fuse tube, a tension spring or an elastic device which is connected between the connection of the pull ring and the valve connecting rod, and the other type is that a section of wide through tube is arranged between one fuse tube, and a section of tension spring or elastic device is arranged in the tube and is connected between the fusible ropes.
The outer wall of the other gas pipe is provided with a fuse passage pipe, and one end of the fusible rope is fixedly connected with a pull ring at the connecting end of the choke valve connecting rod.
The other gas pipe is provided with a stabilizer sleeved by fusible ropes between the outer walls, and the outer walls of the gas pipes are provided with one row or two rows of concentric teeth or concentric rings which are arranged at intervals along the length of the gas pipes, and the fusible ropes are communicated with concentric holes of the concentric teeth or concentric rings.
The gas appliance interface fuse pipe orifice both ends have the non-return dop or the movable clamp in the dop of being connected with the fusible rope respectively, have in the gas appliance section gas pipe fuse pipe towards the fusible rope, a plurality of spaced non-return little calorie of pearl, the movable dop outside the pipe inserts the tensioning through open slot and goes out between the fusible rope of the little calorie of pearl end of mouth of pipe, the mouth of pipe outer end can be equipped with the non-return ware. Or the front section of the gas appliance interface is provided with an anti-slip tightening hoop non-return device, and the non-return clamping head of the fusible rope is movably fixed in the non-return device clamp.
The device for arranging the wire protection channel between the outer walls of the gas pipes comprises fusible wire pipes between the outer walls of the gas pipes and continuous concentric positioning teeth or concentric positioning rings between the outer walls of the gas pipes.
The fuse tube fixing device between the outer walls of the gas pipes comprises a fuse tube connected with the gas pipes, a fuse tube connected with the outer walls of the gas pipes and a movable middle tube connected with the outer walls of the gas pipes, and the fuse tube is fixedly connected with an outer sheath or movably fixed, and is sleeved on the outer walls of the gas pipes along the length of the tube.
The invention relates to an automatic gas-cutting fusible rope control device for dangerous combustion of a gas pipe, which controls the fusible rope to be quickly fused within a few seconds when the gas pipe is burned out by virtue of fusible ropes between the outer walls of the gas pipe, and the flame is extinguished immediately. The automatic gas-cutting-off fusible rope control device for the gas pipe dangerous combustion has the advantages of simple structure, safety, reliability, flexible and wide application and convenient maintenance, and can be widely applied to household natural gas pipes, household liquefied gas pipes, medium-pressure pipes for catering industry, industrial gas pipes and the like of various materials.
Drawings
FIG. 1 is a schematic diagram of an outside-tube fuse control device for a barrier valve gas passage;
FIG. 2 is a removable backstop chuck;
FIG. 3 is a schematic view of a reverse telescoping rod;
FIG. 4 is a schematic side view of a check rod assembly clamp;
FIG. 5 is a schematic diagram of a liquefied gas combination valve connected to an external gas passage pipe fuse;
FIG. 6 is a combination fusible rope regulator;
FIG. 7 is a schematic view of a fusible wire conduit pad;
FIG. 8 is a schematic diagram of an external fusing device of a fuel gas pipe with a connecting nut interface of an elastic ball valve;
FIG. 9 is a schematic diagram of a fusible rope spring device in a wide tube between fuse tubes;
FIG. 10 is a schematic diagram of a single-fuse tube gas pipe external fuse device;
FIG. 11 is a schematic view of concentric locating teeth or concentric locating rings of fusible rope between the outer walls of the gas pipe;
FIG. 12 is a schematic view of a fuse tube outer sheath of the gas tube;
FIG. 13 is a schematic view of a fuse tube middle tube;
Fig. 14 gas pipe interface section jacket.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
The automatic gas-cut-off and fusing control device for the dangerous combustion of the gas pipe as shown in fig. 1 comprises a gas-stop valve body 28, wherein one end of the gas pipe 1 is connected with a gas source interface 5. The gas blocking valve body 28 and the gas pipe of the fusing device between the outer walls of the gas pipe 1 can be fixedly or movably connected. The fusible rope 3 is formed into a U-shape 3 by two fuse passage pipes, respectively. The two ends of the fusible rope are provided with non-return clamps 6a and 6b which face the gas appliance pipe interface. The other end of the gas pipe of the fusing device is connected with a gas appliance joint 10, and a controller is arranged at the joint part. The controller comprises a control end fuse pipe orifice and clamping heads 6a and 6B fuse pipes connected with fusible ropes at two ends. And the check rod is combined with the hoop 8 in fig. 1, the check rod telescopic rod 7a on the combined hoop is provided with 17 in check teeth (fig. 3), the check teeth are supported by check elastic sheets 18, the end of the check telescopic rod 7a is provided with a check clamp 9a, and the connecting fusible rope clamp 6a is placed in the check clamp 9 a.
The choke valve body 28 of fig. 1 comprises a valve link 14 arranged in a housing, on which a sealing washer 1-15a is fixed, which is sleeved with a compression spring 16.
The fusing control device comprises two fusible rope channel pipes 1-2a and 1-2b which are respectively arranged along the length of the pipe between the outer walls of the gas pipe, and two fusible rope channel pipes or more than one row of concentric teeth 35 are fixed or movably fixed between the outer walls of the gas pipe. And the fusible rope 3 is communicated with the two fuse lines, and the two ends of the fusible rope are respectively connected with the clamping heads 6a and 6B at the two-channel same-direction fuse line ports.
At least one fuse nozzle of the gas pipe at the end of the gas appliance is an expanding nozzle 42. The outside wall of one fusible rope tube 2a is provided with row spacing ventilation holes 4, and the ventilation hole surface or the cover is provided with a fusible film (see (figure 9) 26.
A connecting hook pull ring 19a is connected between the fusible rope and the choke valve in fig. 1, a tension spring 13a is arranged between the pull ring hook 19b and the valve connecting rod, the pull wire 11 is connected with the valve connecting rod 14, the pull wire 11 bends through the pulley shaft 12, the connecting wire is connected with the connecting hook pull ring 19a and is in communication and movable connection with the near-end bending fusible rope, a clamping head 6a at one end of the fusible rope is fixed in the check card 9a, when the fusible rope is disconnected at high temperature, traction control loosens, and a valve sealing gasket 15a automatically closes and cuts off the gas under the action of the pressure spring 16. The fusible rope pull ring can be a round shaft pull ring, and a pulley can be arranged at the connecting part between the pull rings and the fusible rope, as shown in 19c in fig. 9.
In the embodiment shown in fig. 5, the automatic gas-cutting and fusing control device for the gas pipe is also suitable for connecting the combined pressure reducing valve 20 with the additional gas-blocking function for the liquefied gas, and the inner cavity of the combined pressure reducing valve is provided with an elastic gas-blocking valve 15B.
The corresponding end of the gas pipe 1 shown in fig. 5 is connected with a gas appliance joint 10. The tension spring 13B of the fusible link of the gas pipe of this example or the elastic device 13c in fig. 9 can be separately arranged in the wide through pipe 25 between one fuse pipe to connect the fusible ropes. The two fusible rope tension springs or elastic devices arranged at different positions are matched with different gas pipes in an exchangeable manner as shown in fig. 8 and fig. 9. 0025A movable fusible rope directional ring 29 is arranged at the front end of the interface of the gas pipe 1 of the combined pressure reducing valve (20), and a user can movably connect the fusible rope 3 with the guide angle pull ring hook 22 of the lifting guide angle 21 through the directional ring 29.
The gas pipe outer wall tightening 24 section of the gas appliance interface of fig. 5 is provided with protective pads 23 of fusible rope pipes 2a,2 b.
As shown in fig. 8, the gas pipe at the two ends of the screw thread interface of the fusible rope device is movably connected with the ball 41 interface towards the screw thread interface of the gas source end, the valve stem handle 40 is arranged outside the ball valve 38, the torsion spring 39 is arranged between the valve stem handle 40 and the connection of the torsion spring 19a of the fusible rope 3, the pull ring hook 19b and the tension spring 13a are arranged between the connection of the valve stem handle 40 and the pull ring 19a, and the non-return device or the controller is arranged at the edge of the end 31 of the nut joint of the connecting gas appliance and is provided with a plurality of non-return (return) cards 32.
After the user tightens the screw interface, the non-return clamping head 6a connected with the fusible rope is sleeved in the non-return clamping head 32 at the edge of the nut joint 31, and the fusible rope clamping heads 6a and 6b of the two fusing pipe orifices can be respectively placed into the two non-return clamping heads 32 at the joint edge.
The tension spring 13B or the elastic device 13B of the fusible rope of the screw thread interface gas pipe can also be arranged between the fusible ropes in the wide through pipe 25 between the fusible rope pipes.
The tension adjustment control of the fusible rope is carried out in various ways, such as a first way that one end of the fusible rope is connected with the check head clamp 9a of the check rod 7a and is moved to be tensioned, a threaded interface gas pipe is separated from the check head clamp 32 of the nut joint through the clamp 6a.6B and is tensioned, a second way that the check small clamping bead 33 between the fusible rope in the mouth of the fusible rope or the check device 30 between the clamp and the mouth of the pipe is relied on, the fusible rope is pulled outwards to open the choke valve, the clamp between the fusible rope is movably fixed at the end of the check device 30 or is movably fixed in the check device 48 of the anti-skid tight hoop, a third way that when the fusible rope is pulled to a proper position, the clamp groove 45 of the movable check clamp (figure 2) is clamped between the check heads of the small clamping beads 33 outside the mouth of the fusible rope, and a fourth way that the fusible rope is pulled into the state through the support connecting rod 7B and the check wire wheel 27 connected by combining the fusible rope adjuster in figure 6, and the fusible rope is pulled into the state of the choke valve 15 through the connecting rod fork 9B, and the vent wire is pulled into the state by the adjusting screw 15 a.
The fusible rope tube 46 between the outer walls of the gas pipe can be integrally fixed or movably fixed by inserting the pipe 47a.47b, or the fusible rope tube of the outer periphery sleeve of the gas pipe can be fixed or movably fixed in the outer periphery sleeve wall space 45. The outer periphery of the length of the gas pipe is sleeved 45 of fig. 12 and is sleeved on the outer peripheral wall of the gas pipe. At least one row of concentric positioning teeth 35 for protecting the fusible rope is arranged on the outer wall of the gas pipe along the length of the pipe, the fusible rope is communicated with one row or two rows of concentric holes 34 for positioning teeth (or positioning rings), and the fusible rope acts on the fusible pipe basically the same.
After the gas pipe interface of the fusing device is well pressed, the 43 of the outer shell (shown in figure 14) can be sleeved around the gas source square choke valve and the outer wall of the gas pipe interface section (shown in figure 9), and the fusible link and the pull rings 9-19 are arranged on the outer wall of the outer shell. The outer jacket (fig. 14) is provided with an embedded fuse tube jacket groove 43. The outer sleeve shell can movably fix the periphery of the interface section of the gas pipe and the choke valve, has smooth surface and certain hardness, and has the functions of preventing friction resistance between the connecting ring 19a and the interface section and preventing the interface hose from being deformed when the fusible rope is tensioned.
When the gas pipe is installed, the gas source end choke valve of the gas pipe of the fusible rope device is communicated with one end of the gas pipe orifice, then the movable external sleeve shell (shown in figure 14) is arranged at the interface section, the hook of the fusible rope communicated with the pull ring is connected with the pull ring at the connecting end of the choke valve, then the gas pipe is connected with the gas pipe interface, and then 1 or 2 clamping heads connected with the fusible ropes at two ends are respectively placed into the non-return clamping at the edge of the threaded joint. If the external fusing device of different gas pipes is required to be additionally provided with a fusing non-return rod combined tightening hoop (figure 4) or a fusible rope adjusting combined tightening hoop (figure 6), the external fusing device is required to be firstly provided with a gas pipe orifice tightening hoop and then is provided with a fusible rope, and then is provided with a gas pipe end interface fusible rope in a manual tightening adjusting mode and is provided with a gas valve opening ventilation state.
The fusible rope shown in the text can be various pull wires, pull ropes and pull belts, and is made of soft and inelastic exemplary materials. The clamping heads in the paper are various clamping beads or clamping rings;
The outer side wall of the fuse tube can be provided with various types of vent holes, and the fuse tube can be arranged singly or doubly, and two fuse tubes are provided with one vent hole as a main part. The porous fire fuses fast, and the oil dirt and the insect are not easy to enter the porous pipe. The fusible ropes in the two fuse tubes can be extinguished quickly no matter which side is firstly melted. Thus, the two pipes are different in one line, and the double-safety effect is achieved.

Claims (6)

1. The automatic gas-off gas channel pipe external fusing control device for dangerous combustion is characterized in that a gas-blocking valve body is arranged at a gas source connection section of a gas pipe, 1-4 wire-protecting channel devices are respectively arranged between the gas-blocking valve body and the outer wall of the gas pipe connected with the gas pipe along the length of the gas pipe or the length of the gas pipe, the fusible rope control device comprises a fusible rope channel pipe and positioning concentric teeth or positioning rings between the outer wall of the gas pipe, the fusible rope is connected with a pull ring connected with the connecting rod through a gas-blocking valve connecting rod, at least one fusible rope is connected with the pull ring through the gas-blocking valve connecting rod, the wire-protecting channel devices are respectively provided with a fusible rope connecting end non-return chuck at the outer end of the fuse wire-protecting channel pipe opening towards the gas end, the fusible rope control device is tightly regulated and fixedly connected with a fusible rope connecting rod combined tightening hoop at the gas pipe interface, and the fusible rope connecting chuck is sleeved into a non-return rod bayonet, and then pushed into the gas pipe opening after tightening hoop; in order to enable the gas pipe to extinguish more quickly, the outer side wall of the fuse tube is provided with spaced vent holes, the fusible rope can be quickly fused when meeting fire, the vent hole surface is provided with a fusible film, and at least one fuse tube orifice at the gas appliance end is an expanded tube orifice, so that the fusible rope can slide into the tube more easily when fused; the external fusing device gas pipe with nut joints arranged at two ends of the gas pipe is characterized in that the edge of the gas pipe joint end of the gas tool is provided with a non-return clamp, and after a user screws the joint, the clamp of the fusible rope end is sleeved in the non-return clamp; an elastic choke valve is additionally arranged in the inner cavity of the pressure reducing valve, and the fusible rope is hooked and connected with the guide angle pull ring through a movable positioning ring; the fusible rope control device comprises a combined fusible rope regulator, a pipe orifice non-return clamp, a non-return rod combined fastening ring and a movable clamp, wherein the non-return clamp connected with the fusible rope or small clamping beads connected with the fusible rope in the fuse pipe are respectively arranged at the two ends of the pipe orifice of the fuse wire of the gas appliance interface, and the movable clamp is inserted between the tensioned small clamping beads and the fusible rope through an open slot.
2. The external fusing control device of a dangerous-combustion automatic gas-cutting off gas channel pipe as claimed in claim 1, wherein two fusible wire channel pipes are respectively arranged between the outer walls of the gas pipe along the length of the pipe or close to the length of the pipe, the fusible wires are formed into a U shape through the two fusible wire channel pipes respectively, and the fusible wires of the double-wire pipe are communicated with the connecting pull ring of the connecting rod.
3. The device for controlling the external blowing out of a dangerous-combustion automatic gas-cutting off gas channel according to claim 1, wherein a connecting section of a gas blocking valve at a gas source end and a gas pipe is provided with a movable mounting shell.
4. The external fusing control device for the dangerous-combustion automatic gas-cutting off gas channel is characterized in that a resetting elastic device is arranged, the elastic device is divided into two types, namely a pull ring which is communicated with a fusible rope outside 1-4 fusing tubes, a tension spring or an elastic device is connected between the pull ring and a valve connecting rod, a section of wide through pipe is arranged between one fusing tube, and a section of tension spring or an elastic device is arranged in the tube and connected between the fusible ropes.
5. The external blowing control device for the dangerous-combustion automatic gas-cutting off gas channel according to claim 1, wherein 1-4 rows of spaced concentric teeth or concentric rings are arranged between the outer walls of the gas pipes along or close to the length of the gas pipes, and the concentric holes of the concentric teeth or concentric rings are communicated with the fusible rope.
6. The external fusing control device for the automatic gas-cutting off gas passage of dangerous combustion as set forth in claim 1, wherein the fusing tube fixing device between the outer walls of the gas tubes is composed of a fusing tube connected with the gas tubes, a fusing tube connected with the outer walls of the gas tubes and a movable tube connected with the outer walls of the gas tubes, and a fusing tube connected with the outer sheath and fixed together or movably and sleeved on the outer walls of the gas tubes.
CN201610677599.1A 2016-08-17 2016-08-17 External fusing control device for dangerous-combustion automatic gas-cutting off gas channel Active CN106151630B (en)

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CN201610677599.1A CN106151630B (en) 2016-08-17 2016-08-17 External fusing control device for dangerous-combustion automatic gas-cutting off gas channel

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Application Number Priority Date Filing Date Title
CN201610677599.1A CN106151630B (en) 2016-08-17 2016-08-17 External fusing control device for dangerous-combustion automatic gas-cutting off gas channel

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CN106151630A CN106151630A (en) 2016-11-23
CN106151630B true CN106151630B (en) 2024-05-14

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1521718A (en) * 1975-03-13 1978-08-16 Hartmann & Braun Ag Flame blocking device for insertion in a gas pipe
CN2343481Y (en) * 1998-11-12 1999-10-13 熊一兵 Gas safety valve
CN201218348Y (en) * 2008-03-24 2009-04-08 唐曙远 Non-return fire-proof valve
CN101986037A (en) * 2009-07-29 2011-03-16 廖国维 Automatic gas cutoff valve for three-safety gas furnace in case of fire
CN103090071A (en) * 2013-02-06 2013-05-08 吉林省富宁石油装备工程有限公司 Fusing safety valve of oil pipelines and gas pipelines
CN103765065A (en) * 2011-09-02 2014-04-30 奥若泰克股份有限公司 Pipe comprising a pressure relief valve
KR20150019409A (en) * 2013-08-14 2015-02-25 임형규 Ease of connection and removal of the gas outlet Gas fuse cock improved
CN104948795A (en) * 2015-07-05 2015-09-30 黄健阳 Automatic gas cut-off and flameout device in case of dangerous combustion of gas channel pipe
CN206290791U (en) * 2016-08-17 2017-06-30 黄健阳 Fuse control device outside the automatic blast tube pipe of dying of one kind danger combustion

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6546947B2 (en) * 2000-01-26 2003-04-15 Smart-Hose Technologies, Inc. Safety system for fluid conduit

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1521718A (en) * 1975-03-13 1978-08-16 Hartmann & Braun Ag Flame blocking device for insertion in a gas pipe
CN2343481Y (en) * 1998-11-12 1999-10-13 熊一兵 Gas safety valve
CN201218348Y (en) * 2008-03-24 2009-04-08 唐曙远 Non-return fire-proof valve
CN101986037A (en) * 2009-07-29 2011-03-16 廖国维 Automatic gas cutoff valve for three-safety gas furnace in case of fire
CN103765065A (en) * 2011-09-02 2014-04-30 奥若泰克股份有限公司 Pipe comprising a pressure relief valve
CN103090071A (en) * 2013-02-06 2013-05-08 吉林省富宁石油装备工程有限公司 Fusing safety valve of oil pipelines and gas pipelines
KR20150019409A (en) * 2013-08-14 2015-02-25 임형규 Ease of connection and removal of the gas outlet Gas fuse cock improved
CN104948795A (en) * 2015-07-05 2015-09-30 黄健阳 Automatic gas cut-off and flameout device in case of dangerous combustion of gas channel pipe
CN206290791U (en) * 2016-08-17 2017-06-30 黄健阳 Fuse control device outside the automatic blast tube pipe of dying of one kind danger combustion

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