CN113108075A - Locking mechanism of valve - Google Patents
Locking mechanism of valve Download PDFInfo
- Publication number
- CN113108075A CN113108075A CN202110253277.5A CN202110253277A CN113108075A CN 113108075 A CN113108075 A CN 113108075A CN 202110253277 A CN202110253277 A CN 202110253277A CN 113108075 A CN113108075 A CN 113108075A
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- Prior art keywords
- valve
- locking mechanism
- pull rope
- sliding block
- shaped
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/363—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position the closure members being rotatable or pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
- F16K17/406—Safety 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/46—Mechanical actuating means for remote operation
- F16K31/465—Mechanical actuating means for remote operation by flexible transmission means, e.g. cable, chain, bowden wire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a locking mechanism of a valve, which comprises a support body fixedly arranged on a valve body of the valve, and an earthquake sensing device, a releasing mechanism, a rotary driving mechanism and a locking mechanism which are arranged on the support body, wherein the releasing mechanism comprises a first dead knife, a second dead knife and a double-edge cutter; the rotary driving mechanism is connected with a handle rod of the valve, the valve is kept in an open state when the rotary driving mechanism is connected with the bracket body through a first pull rope, and the rotary driving mechanism released when the first pull rope is cut off drives the handle rod to rotate so as to close the valve; when the locking mechanism is connected with the bracket body through the second pull rope, the U-shaped sliding block of the locking mechanism is in a retracted state, and when the second pull rope is cut off, the U-shaped sliding block extends outwards to limit the handle rod in the U-shaped cavity of the U-shaped sliding block. The invention has the advantages of good universality, reliable use and convenience.
Description
Technical Field
The invention relates to the field of automatic closing valves, in particular to a locking mechanism of a valve.
Background
At present, for later maintenance and repair in oil and gas transmission pipelines, a plurality of control valves are usually arranged in pipelines at intervals, for remote control, electromagnetic valves are used for controlling the valves, however, the control of the electromagnetic valves needs alternating current or direct current, but when an earthquake occurs, regional power grid paralysis is easily caused, so that the oil and gas transmission pipelines cannot be controlled through the electromagnetic valves, and in places where a large number of pipelines are arranged, people may not be as late as closing all the oil and gas transmission pipelines, if oil or natural gas leaks, huge economic loss is brought if the oil and natural gas leaks, serious safety accidents are caused if the oil and natural gas leaks, and casualties are caused, so that it is necessary to develop an automatic closing valve suitable for being used in regions frequently suffering from earthquakes.
Chinese patent CN201810832327.3 discloses an earthquake sensing automatic closing valve and a gas system, belonging to the field of valves; the earthquake sensing device mainly comprises a fixed frame, a valve body, a valve core, a pulling mechanism, a locking mechanism, an unlocking mechanism and an earthquake sensing mechanism, wherein the fixed frame is used for fixing other parts on a foundation, the valve core is positioned in the valve body, and the pulling mechanism is used for pulling the valve core to close the valve; the locking mechanism is used for locking the pulling mechanism, so that the pulling mechanism can not pull the valve core when the earthquake does not occur. When an earthquake occurs, the earthquake sensing mechanism unlocks the locking mechanism through the unlocking mechanism, at the moment, the pulling mechanism pulls the valve core to close the automatic closing valve, and the automatic closing valve is adopted by the gas system, so that a conveying pipeline of the gas system can be automatically cut off when the earthquake occurs; accidents such as explosion caused by gas leakage are prevented; the valve commonly used at present is ball valve or butterfly valve, because above-mentioned system can only be applicable to the valve that the case removed, therefore can not use with current valve combines, and can cause all article to carry out irregular rocking during the earthquake, therefore can not ensure that the ball can be reliable fall into in the well-bucket, therefore the reliability is poor.
Disclosure of Invention
In view of the above, the present invention provides a locking mechanism for a valve to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a locking mechanism for a valve comprising:
the bracket body is fixedly arranged on the valve body of the valve;
the earthquake sensing device is arranged on the bracket body;
the earthquake sensing device senses an earthquake and drives the double-edge cutter to be sequentially meshed with the first bed knife and the second bed knife;
the rotary driving mechanism is connected with a handle rod of the valve, the valve is kept in an open state when the rotary driving mechanism is connected with the bracket body through a first pull rope, the double-edged cutter is meshed with the first bed knife to cut off the first pull rope, and the released rotary driving mechanism drives the handle rod to rotate to close the valve;
when the locking mechanism is connected with the support body through the second pull rope, the U-shaped sliding block of the locking mechanism is in a retracted state, the double-edge cutter is meshed with the second bed knife to cut off the second pull rope, the released U-shaped sliding block of the locking mechanism is in an extended state, and the handle rod is limited in the U-shaped cavity of the U-shaped sliding block by the U-shaped sliding block to achieve closing and locking of the valve.
Further, the release mechanism and the locking mechanism are located on the same side of a valve core of the valve, and the rotary driving mechanism is located on the other side of the valve core.
Further, earthquake induction system is including connecing the ball fill, connecting connect the straight section of thick bamboo section in the exit of connecing the ball fill with place and be located connect the metal ball on the supporter in the ball fill, connect the sliding connection board at twolip cutter top with the inner chamber sliding fit of straight section of thick bamboo section sets up first spring in the straight section of thick bamboo section makes sliding connection board rebound, just first spring is located sliding connection board's below, the metal ball falls into back drive in the straight section of thick bamboo section twolip cutter outwards stretches out.
Further, rotary driving mechanism include with stake body fixed connection just is located fixed disk, swinging boom, connecting rod and the slip setting of valve top are in slide bar on the stake body, first stay cord with sliding rod connection, circular arc guide slot and central axle have on the fixed disk, the swinging boom swivel cap is established on the central axle, the pin joint is in swinging boom one serves the fixed connection piece with handle bar fixed connection, be located protruding axle on the swinging boom other end inserts in the circular arc guide slot, just the connecting rod pin joint is in the slide bar with between the protruding axle, the cover is established second spring on the slide bar makes the slide bar removes, and then drives the handle bar is rotatory to be made the valve is closed.
Further, the distance from the central shaft to the fixed connecting block is larger than the distance from the central shaft to the convex shaft.
Further, the arc of the arc guide groove is 90 °.
Further, the locking mechanism further comprises a guide sleeve fixedly arranged on the support body, the U-shaped sliding block is arranged in the guide sleeve in a sliding mode, a third spring is arranged at the bottom of the U-shaped sliding block, a through hole transversely penetrating through the top of the guide sleeve is formed in the top of the guide sleeve, a stop lever is arranged in the through hole in a sliding mode, the extending end of the stop lever is arranged on the support body in a sliding mode, one end of the stop lever is connected with the second pull rope, and when the second pull rope is not cut off, the fourth spring arranged on the extending end of the stop lever is sleeved with the second pull rope and is in a compression state.
Furthermore, an elastic locking head is arranged on the side wall of the guide sleeve, and after the U-shaped sliding block extends out, the elastic locking head is inserted into a strip-shaped groove on the side surface of the U-shaped sliding block to prevent the U-shaped sliding block from retracting inwards.
The technical scheme can show that the invention has the advantages that: the locking mechanism is matched with the valve with the rotating valve core, so that the valve has good applicability; because the metal ball is positioned in the ball receiving hopper, the metal ball can be ensured to fall into the ball receiving hopper to drive the release mechanism to work in the next step during earthquake, and the reliability is high; this application can satisfy normally opening locking requirement of normal during operation valve, also can satisfy the normally closed locking requirement after the earthquake, and is safe in utilization.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of the seismic sensing device and the release mechanism of the present invention.
Fig. 3 is a schematic top view of the rotary drive mechanism of the present invention.
Fig. 4 is a schematic structural view of the locking mechanism of the present invention.
List of reference numerals: the device comprises a valve 1, a valve body 11, a valve core 12, a handle rod 13, a support body 2, an earthquake sensing device 3, a ball receiving hopper 31, a straight cylinder section 32, a storage rack 33, a metal ball 34, a release mechanism 4, a double-edge cutter 41, a sliding connecting plate 42, a first spring 43, a first bed knife 44, a second bed knife 45, a rotary driving mechanism 5, a fixed disc 51, an arc guide groove 511, a central shaft 512, a rotating arm 52, a fixed connecting block 53, a connecting rod 54, a sliding rod 55, a second spring 56, a locking mechanism 6, a guide sleeve 61, a U-shaped sliding block 62, a strip-shaped groove 621, a through hole 622, a third spring 63, an elastic lock head 64, a stop lever 65, a fourth spring 66, a first pull rope 7 and a second pull rope 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is further described with reference to fig. 1 to 4, and the locking mechanism of the valve shown in fig. 1 includes a support body 2 fixedly disposed on a valve body 11 of the valve 1, and a seismic sensing device 3, a release mechanism 4, a rotation driving mechanism 5 and a locking mechanism 6 disposed on the support body 2, wherein the seismic sensing device 3, the release mechanism 4, the rotation driving mechanism 5 and the locking mechanism 6 are disposed on the support body 2, so that when in use, the support body 2 only needs to be fixedly connected with the corresponding valve body 11, and the use is convenient.
As shown in fig. 1 and 2, the earthquake sensing device 3 includes a ball receiving bucket 31, a straight cylinder section 32 connected to an outlet of the ball receiving bucket 31, and a metal ball 34 placed on a placement frame 33 located in the ball receiving bucket 31, a magnet is disposed at the bottom of the placement frame 33 to prevent the metal ball 34 from easily falling down, and the straight cylinder section 32 is fixedly connected to the support body 2.
Release mechanism 4 includes first bed knife 44, second bed knife 45 and twolip cutter 41, connects the sliding connection board 42 at twolip cutter 41 top with the inner chamber sliding fit of straight section of thick bamboo section 32 sets up first spring 43 in the straight section of thick bamboo section 32 makes sliding connection board 42 rebound, just first spring 43 is located sliding connection board 42's below, the cutting edge of second bed knife 45 is less than the cutting edge of first bed knife 44, just twolip cutter 41 is located between first bed knife 44 and the second bed knife 45, metal ball 34 falls into drive behind the straight section of thick bamboo section 32 twolip cutter 41 outwards stretches out, make twolip cutter 41 mesh with first bed knife 44, second bed knife 45 in proper order.
As shown in fig. 1 and 3, the rotary driving mechanism 5 is connected to a handle bar 13 of the valve 1, when the rotary driving mechanism 5 is connected to the bracket body 2 through a first pull rope 7, the valve 1 is kept in an open state, the double-edged knife 41 is engaged with the first bed knife 44 to cut off the first pull rope 7, and the released rotary driving mechanism 5 drives the handle bar 13 to rotate to close the valve 1, wherein the rotary driving mechanism 5 comprises a fixed disc 51 fixedly connected to the bracket body 2 and located above the valve 1, a rotary arm 52, a connecting rod 54 and a slide bar 55 slidably arranged on the bracket body 2, the first pull rope 7 is connected to the slide bar 55, the fixed disc 51 has an arc guide groove 511 and a central shaft 512, the rotary arm 52 is rotatably sleeved on the central shaft 512, and a fixed connecting block 53 pivoted to one end of the rotary arm 52 is fixedly connected to the handle bar 13, the protruding shaft at the other end of the rotating arm 52 is inserted into the arc guide slot 511, the connecting rod 54 is pivoted between the sliding rod 55 and the protruding shaft, and the second spring 56 sleeved on the sliding rod 55 moves the sliding rod 55, so as to drive the handle bar 13 to rotate and close the valve 1.
Preferably, the distance from the central shaft 512 to the fixed connecting block 53 is greater than the distance from the central shaft 512 to the protruding shaft, so that the handle rod 13 can be rapidly rotated, and the valve can be rapidly closed.
Preferably, the arc of the arc guide 511 is 90 °, and the arc guide 511 is used to define the extreme positions of the handle bar 13, ensuring that the valve is fully open or fully closed.
As shown in fig. 1 and 4, the locking mechanism 6 includes a guide sleeve 61 fixedly disposed on the support body 2 and a U-shaped slider 62 slidably disposed in the guide sleeve 61, a third spring 63 is disposed at the bottom of the U-shaped slider 62, a through hole 622 transversely penetrating is disposed at the top of the guide sleeve 61, a stop lever 65 is slidably disposed in the through hole 622, an extending end of the stop lever 65 is slidably disposed on the support body 2, an inner end of the stop lever 65 is connected to the support body 2 through a second pull cord 8, when the second pull cord 8 is not cut off, the stop lever 65 abuts against the top of the U-shaped slider 62 to make the U-shaped slider 62 in a retracted state, a fourth spring 66 sleeved on the extending end of the stop lever 65 is in a compressed state, the double-blade 41 is engaged with the second bed knife 45 to make the second pull cord 8 cut off, the stop lever 65 displaces the stop lever 65 under the action of the fourth spring 66, the released U-shaped slide block 62 of the locking mechanism 6 is in an outward extending state under the action of the third spring 63, and the handle bar 13 is limited in the U-shaped cavity of the U-shaped slide block 62 by the U-shaped slide block 62, so that the closed locking of the valve 1 is realized.
The side wall of the guide sleeve 61 is provided with an elastic locking head 64, after the U-shaped sliding block 62 extends out, the elastic locking head 64 is inserted into a strip-shaped groove 621 on the side surface of the U-shaped sliding block 62 to prevent the U-shaped sliding block 62 from contracting inwards, so that the locking state is stable, and the safety is better.
The release mechanism 4 and the locking mechanism 6 are located on the same side of a valve core 12 of the valve 1, and the rotary driving mechanism 5 is located on the other side of the valve core 12, so that the rotary driving mechanism 5 and the locking mechanism 6 are prevented from interfering.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A locking mechanism for a valve, comprising:
the bracket body (2) is fixedly arranged on the valve body (11) of the valve (1);
the earthquake sensing device (3) is arranged on the bracket body (2);
the earthquake sensing device comprises a releasing mechanism (4), wherein the releasing mechanism (4) comprises a first bed knife (44), a second bed knife (45) and a double-edge cutter (41), and the double-edge cutter (41) is driven to be sequentially meshed with the first bed knife (44) and the second bed knife (45) when the earthquake sensing device (3) senses an earthquake;
the rotary driving mechanism (5), the rotary driving mechanism (5) is connected with a handle rod (13) of the valve (1), when the rotary driving mechanism (5) is connected with the bracket body (2) through a first pull rope (7), the valve (1) is kept to be opened, the double-edged cutter (41) is meshed with the first dead knife (44) to cut off the first pull rope (7), and the released rotary driving mechanism (5) drives the handle rod (13) to rotate to close the valve (1);
when the locking mechanism (6) is connected with the support body (2) through a second pull rope (8), a U-shaped sliding block (62) of the locking mechanism (6) is in a retracted state, the double-edged cutter (41) is meshed with the second bed knife (45) to cut off the second pull rope (8), the released U-shaped sliding block (62) of the locking mechanism (6) is in an extended state, and the handle rod (13) is limited in a U-shaped cavity of the U-shaped sliding block (62) through the U-shaped sliding block (62), so that the valve (1) is locked in a closed state.
2. The locking mechanism of a valve according to claim 1, characterized in that the release mechanism (4) and the locking mechanism (6) are located on the same side of a valve element (12) of the valve (1), and the rotary drive mechanism (5) is located on the other side of the valve element (12).
3. The locking mechanism of the valve according to claim 1, wherein the earthquake sensing device (3) comprises a ball receiving bucket (31), a straight cylinder section (32) connected at the outlet of the ball receiving bucket (31), and a metal ball (34) placed on a shelf (33) positioned in the ball receiving bucket (31), a sliding connection plate (42) connected at the top of the double-edged cutter (41) is in sliding fit with the inner cavity of the straight cylinder section (32), a first spring (43) arranged in the straight cylinder section (32) enables the sliding connection plate (42) to move upwards, the first spring (43) is positioned below the sliding connection plate (42), and the metal ball (34) falls into the straight cylinder section (32) and drives the double-edged cutter (41) to extend outwards.
4. The locking mechanism of a valve according to claim 1, wherein the rotary driving mechanism (5) comprises a fixed disk (51) fixedly connected with the bracket body (2) and located above the valve (1), a rotary arm (52), a connecting rod (54) and a sliding rod (55) slidably arranged on the bracket body (2), the first pull rope (7) is connected with the sliding rod (55), the fixed disk (51) is provided with an arc guide groove (511) and a central shaft (512), the rotary arm (52) is rotatably sleeved on the central shaft (512), a fixed connecting block (53) pivoted on one end of the rotary arm (52) is fixedly connected with the handle rod (13), a convex shaft located on the other end of the rotary arm (52) is inserted into the arc guide groove (511), and the connecting rod (54) is pivoted between the sliding rod (55) and the convex shaft, the sliding rod (55) is moved by a second spring (56) sleeved on the sliding rod (55), and then the handle rod (13) is driven to rotate to close the valve (1).
5. The locking mechanism of a valve according to claim 4, wherein the distance from the central shaft (512) to the fixed connecting block (53) is greater than the distance from the central shaft (512) to the protruding shaft.
6. The locking mechanism of valve according to claim 4, characterized in that the arc of the arc guide slot (511) is 90 °.
7. The locking mechanism of a valve according to claim 1, wherein the locking mechanism (6) further comprises a guide sleeve (61) fixedly disposed on the bracket body (2), the U-shaped slider (62) is slidably disposed in the guide sleeve (61), a third spring (63) is disposed at the bottom of the U-shaped slider (62), a through hole (622) transversely penetrating is disposed at the top of the guide sleeve (61), a stop lever (65) is slidably disposed in the through hole (622), an extending end of the stop lever (65) is slidably disposed on the bracket body (2), an inner end of the stop lever (65) is connected to the second pull rope (8), and when the second pull rope (8) is not cut off, the fourth spring (66) sleeved on the extending end of the stop lever (65) is in a compressed state.
8. The locking mechanism of valve according to claim 7, characterized in that the side wall of the guiding sleeve (61) is provided with an elastic locking head (64), after the U-shaped sliding block (62) is extended, the elastic locking head (64) is inserted into a strip-shaped groove (621) on the side surface of the U-shaped sliding block (62) to prevent the U-shaped sliding block (62) from retracting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253277.5A CN113108075B (en) | 2021-03-09 | 2021-03-09 | Locking mechanism of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253277.5A CN113108075B (en) | 2021-03-09 | 2021-03-09 | Locking mechanism of valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113108075A true CN113108075A (en) | 2021-07-13 |
| CN113108075B CN113108075B (en) | 2023-04-21 |
Family
ID=76710675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110253277.5A Active CN113108075B (en) | 2021-03-09 | 2021-03-09 | Locking mechanism of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113108075B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117588585A (en) * | 2024-01-19 | 2024-02-23 | 成都杰森输配设备实业有限公司 | Trip mechanism of cut-off valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4353383A (en) * | 1980-10-22 | 1982-10-12 | Kiesel Donald F | Seismically actuated valve release structure |
| US4513629A (en) * | 1982-09-20 | 1985-04-30 | Koso International, Inc. | Shock responsive device |
| JP2009002408A (en) * | 2007-06-20 | 2009-01-08 | Kurimoto Ltd | Emergency cutoff valve |
| CN202188188U (en) * | 2011-07-18 | 2012-04-11 | 中国地震局工程力学研究所 | Full-mechanical large-caliber automatic fuel gas closing valve in case of earthquake |
| JP2014066293A (en) * | 2012-09-25 | 2014-04-17 | Fumoto Giken Kk | Emergency shut-off device |
| CN203585479U (en) * | 2013-12-03 | 2014-05-07 | 中国地震局工程力学研究所 | Permanent magnet type automatic earthquake fuel gas shut-down valve |
| CN107420601A (en) * | 2017-09-26 | 2017-12-01 | 中国地震局工程力学研究所 | A kind of device of earthquake control gas lockout valve |
| CN112413199A (en) * | 2020-10-22 | 2021-02-26 | 中国地震局工程力学研究所 | Earthquake induction safety valve |
-
2021
- 2021-03-09 CN CN202110253277.5A patent/CN113108075B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4353383A (en) * | 1980-10-22 | 1982-10-12 | Kiesel Donald F | Seismically actuated valve release structure |
| US4513629A (en) * | 1982-09-20 | 1985-04-30 | Koso International, Inc. | Shock responsive device |
| JP2009002408A (en) * | 2007-06-20 | 2009-01-08 | Kurimoto Ltd | Emergency cutoff valve |
| CN202188188U (en) * | 2011-07-18 | 2012-04-11 | 中国地震局工程力学研究所 | Full-mechanical large-caliber automatic fuel gas closing valve in case of earthquake |
| JP2014066293A (en) * | 2012-09-25 | 2014-04-17 | Fumoto Giken Kk | Emergency shut-off device |
| CN203585479U (en) * | 2013-12-03 | 2014-05-07 | 中国地震局工程力学研究所 | Permanent magnet type automatic earthquake fuel gas shut-down valve |
| CN107420601A (en) * | 2017-09-26 | 2017-12-01 | 中国地震局工程力学研究所 | A kind of device of earthquake control gas lockout valve |
| CN112413199A (en) * | 2020-10-22 | 2021-02-26 | 中国地震局工程力学研究所 | Earthquake induction safety valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117588585A (en) * | 2024-01-19 | 2024-02-23 | 成都杰森输配设备实业有限公司 | Trip mechanism of cut-off valve |
| CN117588585B (en) * | 2024-01-19 | 2024-05-14 | 成都杰森输配设备实业有限公司 | Trip mechanism of cut-off valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113108075B (en) | 2023-04-21 |
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