CN103644344B - Magneto automatic seism combustion gas throttle down - Google Patents
Magneto automatic seism combustion gas throttle down Download PDFInfo
- Publication number
- CN103644344B CN103644344B CN201310631852.6A CN201310631852A CN103644344B CN 103644344 B CN103644344 B CN 103644344B CN 201310631852 A CN201310631852 A CN 201310631852A CN 103644344 B CN103644344 B CN 103644344B
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- Prior art keywords
- valve body
- valve
- permanent
- weight
- end surface
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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
- 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
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to a kind of magneto automatic seism combustion gas throttle down, comprise upper valve body, lower valve body, described upper valve body lower end part and lower valve body upper-end part of driving dock to be connected and form upper valve body chamber and lower valve body cavity room, lower valve body lower portion installs leg, bonnet is equipped with at upper valve body top, described top, center portion, bonnet lower end surface is provided with permanent-magnet device, to be provided with circular magnet case below described permanent-magnet device be that T-shaped valve rod upper-end surface is concentric with cross section connects, valve rod lower end is connected with weight by connector, the tooth bar apical axis upper end having threshold adjuster and bottom chamber to install below weight is abutted against mutually.Structure of the present invention is simple, reasonable in design, with low cost, overcome the shortcoming that electromagnetic valve needs power supply, overcome complete mechanical earthquake gas automatic close valve door and close the nonadjustable shortcoming of threshold values, and can in strong earthquakes situation the large size valve of automatic self-closing gas pipeline, prevent gas pipeline from destroying the generation causing leakage and secondary disaster.
Description
Technical field
The present invention relates to a kind of large bore valves, especially relate to the valve that a kind of gas pipeline is closed automatically when strong earthquakes.
Background technique
At present, for safety control many uses solenoid valve of oil transportation, gas pipeline, the control of this solenoid valve needs Ac or direct current, and power consumption is comparatively large, and when strong earthquakes, general electrical network paralysis, cannot control.China has developed small-bore and medium caliber earthquake gas automatic close valve door, but sensitivity can not regulate, and is not suitable for the seismic emergency handling of the large bore valves of mesohigh gas pipeline.
Summary of the invention
The object of the invention is to overcome the deficiency existed in above-mentioned technology, provide a kind of structure simple, reasonable in design, the magneto automatic seism combustion gas throttle down that sensitivity can regulate.
In order to achieve the above object, the technical solution used in the present invention is: comprise upper valve body, lower valve body, described upper valve body lower end part and lower valve body upper-end part of driving dock to be connected and form upper valve body chamber and lower valve body cavity room, lower valve body lower portion installs leg, bonnet is equipped with at upper valve body top, described top, center portion, bonnet lower end surface is provided with permanent-magnet device, circular magnet case is provided with below described permanent-magnet device, described circular magnet case connects with T-shaped valve rod upper-end surface is concentric, valve rod lower end is connected with weight by connector, the tooth bar apical axis upper end having threshold adjuster and bottom chamber to install below weight is abutted against mutually.
Advantage of the present invention is:
Structure is simple, reasonable in design, with low cost, instant invention overcomes the shortcoming that electromagnetic valve needs power supply, overcome complete mechanical earthquake gas automatic close valve door and close the nonadjustable shortcoming of threshold values, and can in strong earthquakes situation the large size valve of automatic self-closing gas pipeline, prevent gas pipeline from destroying the generation causing leakage and secondary disaster.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is valve-closed state schematic diagram of the present invention;
Fig. 3 is that structural profile of the present invention opens schematic diagram;
Fig. 4 is structural profile closed condition schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
From Fig. 1-Fig. 4, the present invention includes upper valve body 3, lower valve body 6, described upper valve body 3 lower end part docks to be connected with lower valve body 6 upper-end part of driving and forms upper valve body chamber 18 and lower valve body cavity room 7, lower valve body 6 lower portion installs leg 9, bonnet 1 is equipped with at upper valve body 3 top, described top, center portion, bonnet 1 lower end surface is provided with permanent-magnet device 20, circular magnet case 21 is provided with below described permanent-magnet device 20, described circular magnet case 21 connects with T-shaped valve rod 19 upper-end surface is concentric, valve rod 19 lower end is connected with weight 14 by connector 15, threshold adjuster 13 is had to be abutted against mutually with interior tooth bar apical axis 12 upper end of installing of lower chambers 7 below weight 14.
Structure of the present invention is simple, reasonable in design, with low cost, overcome the shortcoming that electromagnetic valve needs power supply, overcome complete mechanical earthquake gas automatic close valve door and close the nonadjustable shortcoming of threshold value, and can in strong earthquakes situation the large size valve of automatic self-closing gas pipeline, prevent gas pipeline from destroying the generation causing leakage and secondary disaster.
The upper valve body chamber 18 that the present invention is made up of upper valve body 3 is built with Circular permanent magnet device 20, magnet case 21, valve rod 19, connector 15, weight 14, threshold adjuster 13 and the location copper sheathing 5 concentric with valve rod 19.The upper-end surface of permanent-magnet device 20 is connected with bonnet 1, and the lower end surface of circular magnet case 21 is connected with one heart with valve rod 19 upper-end surface, and the lower end surface of valve rod 19 is connected with one heart with connector 15, weight 14, threshold adjuster 13.During without earthquake, the upper-end surface of circular magnet case 21 is connected with suction with the lower end surface of permanent-magnet device 20, and magnet case 21 is tightly held by permanent-magnet device 20.A suspension pendulum device is formed by magnet case 21, valve rod 19, connector 15, weight 14 and threshold adjuster 13.Combustion gas flows to outlet 4 by entrance 16.Gap is had between weight 14 and location copper sheathing 5, when there being earthquake, weight 14 is middle in this gap to be swung, when acting on the inertial force on weight 14 and being greater than the suction of permanent-magnet device 20, magnet case 21 departs from permanent-magnet device 20, and valve rod 19 falls under weight 14 Action of Gravity Field, be seated in the space of location copper sheathing 5 and tooth bar apical axis 12 composition, weight 14 periphery and location copper sheathing 5 inwall connect, and the lower end surface of threshold adjuster 13 and the upper-end surface of tooth bar apical axis 12 connect, valve closing.Threshold adjuster 13 be used for regulating valve close threshold value, threshold adjuster 13 is larger, and valve closing threshold value is less, and valve is sensitiveer, and vice versa.
Reset tooth bar apical axis 12 is equipped with in the center portion of the lower valve body cavity room 7 be made up of lower valve body 6, with reset switch 8 and the locating stud 11 of tooth axle, tooth bar apical axis 12 and being meshed with the reset switch 8 of tooth axle, tooth bar apical axis 12 upper end connects with threshold adjuster 13, and its lower end part has end cap 10 to seal.Be provided with seal ring 17 in upper valve body chamber, play seal action when the valve is closed, upper valve body 3 two side is respectively equipped with entrance 16 and outlet 4, and upper valve body 3 upper left-hand position is provided with peep hole 2, the on off state of observable valve.
During working state of the present invention, form valve body by bonnet 1, lower valve body 6, peep hole 2 and leg 9, peep hole 2 is for watching valve switch state, and leg 9 is for adjusting the level of valve.Self acting stop valve door device is formed by entrance 16, outlet 4, valve rod 19, location copper sheathing 5, seal ring 17, permanent-magnet device 20, magnet case 21, valve rod 19, weight 14, threshold adjuster 13, tooth bar apical axis 12, reset switch 8.When without earthquake, magnet case 21 holds by the suction of permanent-magnet device 20 by weight 14, valve rod 19 jack-up, and combustion gas is from entrance 16 along flow direction outlet.During earthquake when acting on the inertial force on weight 14 and being greater than the suction of permanent-magnet device, magnet case departs from permanent-magnet device, and valve rod 19 falls under weight 14 Action of Gravity Field, valve closing, and combustion gas is cut off.When coal gas connected by needs, reset switch 8 is turned clockwise with screw-driver, reset switch 8 tooth axle is stirred on tooth bar apical axis 12 and is moved, by weight 14 jack-up, when the lower end surface of magnet case 21 close to permanent-magnet device 20, magnet case 21 holds by permanent-magnet device 20, and valve rod 19 is mentioned, valve opens, gas circulation.Then turn reset switch 8 counterclockwise, reset switch 8 tooth axle is stirred tooth bar apical axis 12 and is moved down, valve be in normal run treat shake state.
From Fig. 1, Fig. 3.When without earthquake, the upper-end surface of circular magnet case 21 is connected with suction with the lower end surface of permanent-magnet device 20, and magnet case 21 is tightly held by permanent-magnet device 20.Form a suspension pendulum device by magnet case 21, valve rod 19, connector 15, weight 14 and threshold adjuster 13, combustion gas flows to outlet 4 according to the direction of arrow by entrance 16.When having earthquake, when acting on the seismic force on weight 14 and being greater than the suction of permanent-magnet device 20, magnet case 21 departs from permanent-magnet device 20, valve rod 19 falls under weight 14 Action of Gravity Field, valve closing, weight 14 is seated in the space of location copper sheathing 5 and tooth bar apical axis 12 composition, and weight 14 periphery and location copper sheathing 5 inwall connect, and the lower end surface of threshold adjuster 13 is abutted against mutually with the upper-end surface of tooth bar apical axis 12.
From Fig. 2, Fig. 4,: when combustion gas connected by needs, reset switch 8 is turned clockwise with screw-driver, the tooth axle of reset switch 8 is stirred on tooth bar apical axis 12 and is moved, by weight 14 jack-up, when the lower end surface of magnet case 21 close to permanent-magnet device 20, magnet case 21 holds by permanent-magnet device 20, valve rod 19 is mentioned, and valve opens, and combustion gas flows to outlet 4 from entrance 16 along the direction of arrow.Then turn reset switch 8 counterclockwise, the tooth axle of reset switch 8 is stirred tooth bar apical axis 12 and is moved down, valve be in normal run treat shake state.
Claims (1)
1. a magneto automatic seism combustion gas throttle down, comprise upper valve body (3), lower valve body (6), it is characterized in that: described upper valve body (3) lower end part docks to be connected with lower valve body (6) upper-end part of driving and forms upper valve body chamber (18) and lower valve body cavity room (7), lower valve body (6) lower portion installs leg (9), valve gap (1) is equipped with at upper valve body (3) top, described valve gap (1) center portion, lower end surface is provided with permanent-magnet device (20), described permanent-magnet device (20) below is provided with circular magnet case (21), to be that T-shaped valve rod (19) upper-end surface is concentric with cross section connect circular magnet case (21), valve rod (19) lower end is connected with weight (14) by connector (15), there is threshold adjuster (13) weight (14) below, threshold adjuster is abutted against mutually with lower valve body cavity room (7) interior tooth bar apical axis (12) upper end of installing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310631852.6A CN103644344B (en) | 2013-12-03 | 2013-12-03 | Magneto automatic seism combustion gas throttle down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310631852.6A CN103644344B (en) | 2013-12-03 | 2013-12-03 | Magneto automatic seism combustion gas throttle down |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103644344A CN103644344A (en) | 2014-03-19 |
| CN103644344B true CN103644344B (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310631852.6A Expired - Fee Related CN103644344B (en) | 2013-12-03 | 2013-12-03 | Magneto automatic seism combustion gas throttle down |
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| Country | Link |
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| CN (1) | CN103644344B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758049A (en) * | 2018-08-26 | 2018-11-06 | 杭州龙颜激光技术有限公司 | Safety-valve component and automatic close-type gas-fired equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131124A (en) * | 1976-11-26 | 1978-12-26 | Sunde Paul B | Seismic safety cutoff device |
| JPS58217873A (en) * | 1982-06-12 | 1983-12-17 | Hajime Matsuura | Automatic shutoff gas valve sensitive to earthquake in all directions |
| CN2154938Y (en) * | 1993-03-04 | 1994-02-02 | 兖州矿务局鲍店煤矿 | Low pressure large flow safety overflow valve |
| JPH07260027A (en) * | 1994-03-22 | 1995-10-13 | Kougakushiya:Kk | Vibration isolating valve device |
| 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 |
| 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 |
-
2013
- 2013-12-03 CN CN201310631852.6A patent/CN103644344B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131124A (en) * | 1976-11-26 | 1978-12-26 | Sunde Paul B | Seismic safety cutoff device |
| JPS58217873A (en) * | 1982-06-12 | 1983-12-17 | Hajime Matsuura | Automatic shutoff gas valve sensitive to earthquake in all directions |
| CN2154938Y (en) * | 1993-03-04 | 1994-02-02 | 兖州矿务局鲍店煤矿 | Low pressure large flow safety overflow valve |
| JPH07260027A (en) * | 1994-03-22 | 1995-10-13 | Kougakushiya:Kk | Vibration isolating valve device |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103644344A (en) | 2014-03-19 |
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Granted publication date: 20160413 Termination date: 20191203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |