CN202660006U - Self-closing valve for pipeline gas - Google Patents
Self-closing valve for pipeline gas Download PDFInfo
- Publication number
- CN202660006U CN202660006U CN 201220183307 CN201220183307U CN202660006U CN 202660006 U CN202660006 U CN 202660006U CN 201220183307 CN201220183307 CN 201220183307 CN 201220183307 U CN201220183307 U CN 201220183307U CN 202660006 U CN202660006 U CN 202660006U
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- Prior art keywords
- spring
- magnet
- valve body
- cavity
- main valve
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- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a self-closing valve for pipeline gas. The self-closing valve comprises a super-flow main valve body, an outer magnet pushing ring, an over-temperature device, a sealing element and an opening spring, wherein a valve cavity, an opening spring cavity and a gas outlet pipeline section are formed in the super-flow main valve body; and the opening spring is installed in the opening spring cavity. The self-closing valve for the pipeline gas further comprises a magnet, a small magnet, a joint with a super-flow device and a location spring; a gas inlet cavity and a connection cavity with an internal thread are formed in the joint; the gas inlet cavity is communicated with the connection cavity; the small magnet, the location spring, the magnet and the sealing element are sequentially installed in the valve cavity of the super-flow main valve body; the small magnet is separated from the magnet via the location spring; and the connection cavity of the joint is in threaded connection with the super-flow main valve body. According to the utility model, the potential safety hazards brought by the whole gas valve to a user in the aspect of gas tightness are eliminated, and the self-closing valve also has a function of automatically recovering the super-flow device from a closed state to an open state in case of being closed.
Description
Technical field
The utility model relates to the gas valve technical field, is a kind of technology of pipeline gas self closing stop valve specifically.
Background technique
Existing gas valve mostly is stopcock on the market, come the unlatching of control valve or close by the manual rotation cock, after the long-term use of this valve, cock and valve body are bonded together can't be opened, motionless and the out of hand effect of cock rotation, and when air feed went wrong such as superpressure, inflow-rate of water turbine, its terminal air hose that connects easily came off, because can't automatically cutting off source of the gas, very easily cause danger.The gas valve that a kind of superpressure, overcurrent protection had occurred afterwards, this fuel tube valve, the technological scheme that adopts is: an end of gas kitchen pipe joint is screwed into the outlet side of valve body, two valve base chambers of body cavity have spherical valve, in the cover letter on its top valve rod is installed, knob is fixed on valve rod top, inner chamber at gas kitchen pipe joint, the setting sleeve of opening subtend valve seat is installed, one end of setting sleeve subtend gas kitchen pipe joint air inlet has center hole, and the nearly center of the sleeve nose end that is extended down to setting sleeve around the hole has inlet hole; The modulating valve that is installed in the interior bar of spherical shell and spherical shell composition is slidably mounted in the setting sleeve, setting sleeve stretches out in its bar section, top band one gear platform, it is the angle of swing of control handle that handle cover between gear platform and setting sleeve has Compress Spring, can open a fan-shaped restraining groove at the sleeve on valve body top, position limit pin laterally is fixed on the valve rod by restraining groove, one modulating valve that can slide at setting sleeve is arranged in the setting sleeve that the inner chamber of gas kitchen pipe joint is installed, the shank cover of modulating valve has Compress Spring, when the air feed superpressure, during inflow-rate of water turbine, combustion gas is pushed modulating valve to valve seat orifice by its spherical shell and it is blocked, and has solved the problem that the air hose that is positioned on the valve body end easily comes off and causes danger; When air demand is normal, under the effect of spring, withdraw from modulating valve, valve seat orifice is opened, thereby plays the effect that air feed is regulated automatically.Although this valve has solved some defectives of stopcock; have simultaneously superpressure, inflow-rate of water turbine protection; but being modulating valve, this superpressure, inflow-rate of water turbine protective gear in a single day occur when stuck; just can not automatically reset; must dismounting reset; if the phenomenon that combustion gas leaks easily occurs in the time of also can producing assembly failure in regular dismounting, cause potential safety hazard.This valve adopts original knob valve rod when driving valve simultaneously, some defectives of stopcock equally also can occur.
Summary of the invention
The purpose of this utility model provides a kind of good airproof performance, and is easy to assembly, when occuring, air-flow can play a very good protection, and the good and safe and reliable pipeline gas self closing stop valve of reseting performance.
A kind of pipeline gas self closing stop valve, comprise the overcurrent main valve body, the external magnet that is installed in the overcurrent main valve body outside promotes ring and superheating device, Sealing and unlatching spring, be provided with in the overcurrent main valve body and be interconnected successively and valve pocket that internal diameter reduces successively, open spring chamber and outlet pipe section, open spring fitting in opening spring chamber, it is characterized in that: described pipeline gas self closing stop valve also comprises magnet, small magnet, outer-hexagonal joint with overflow means, retaining spring, be provided with air-inlet cavity in the outer-hexagonal joint and with the connection chamber of internal thread, air-inlet cavity and connection chamber are communicated with, small magnet, retaining spring, magnet and Sealing are packed in the valve pocket of overcurrent main valve body successively, small magnet is kept apart by retaining spring and magnet, outer-hexagonal joint connection chamber with overflow means is threaded with the overcurrent main valve body, wherein opens spring and retaining spring is compressive state.
The medial segment of the valve pocket of described overcurrent main valve body is circular cylindrical cavity, and segmentum laterale is circular cylindrical cavity, and the internal diameter of the circular cylindrical cavity of segmentum laterale is greater than the internal diameter of the circular cylindrical cavity of medial segment and be provided with the section of seamlessly transitting between the two.
Described retaining spring is the turriform spring.
Described small magnet is contained in the magnetosheath, and retaining spring is enclosed within the tip portion of magnetosheath, and the top of tower spring section of retaining spring is positioned at the position of the section of seamlessly transitting of the valve pocket of overcurrent main valve body.
Described superheating device comprises overtemperature spring, overtemperature circle, and overtemperature spring, overtemperature circle are fixed on the outside of unlatching spring chamber and an end of close valve pocket by jump ring.
Described Sealing is provided with a shrinkage pool, opens spring and is provided with in the shrinkage pool of a linkage section spring and insert-seal spare.
The utility model compared with prior art has the following advantages.
By technological scheme described in the utility model, promote external magnet and promote ring to closed condition, magnet moves, the Sealing seal valve seat, small magnet and magnet opposite direction move, and withstand on overflow means foremost, and making overflow means be on state is normal state; Promote external magnet and promote ring to opening state, it is the air-flow opposite direction that magnet is moved to the left, Sealing is lifted off a seat under the effect of opening spring, the normal air feed of combustion gas, small magnet and magnet opposite direction move simultaneously, leave overflow means foremost, it is normal state that overflow means also is on state; When inlet stream is excessive, overflow means action closing passage, external magnet promoted ring and appointed and so be in opening state this moment, and when repeating to promote external magnet and promote ring to the closed condition operation, just making the overflow means on state is normal state.This shows that the utility model has been eliminated outside the potential safety hazard that whole air valve brings to the user aspect tightness, also has automatic flow recovery device by the function of closed condition to opening state when closing valve, namely the overflow means reseting performance is good.
Description of drawings
Fig. 1 is the utility model pipeline gas self closing stop valve example structure schematic representation;
Fig. 2 is that the utility model pipeline gas self closing stop valve embodiment's valve closed condition and overflow means do not closed structural representation;
Fig. 3 is that the utility model pipeline gas self closing stop valve embodiment's valve is opened normal air feed status architecture schematic representation;
Fig. 4 is that the utility model pipeline gas self closing stop valve embodiment's valve opening state and overflow means closed not air feed status architecture schematic representation.
Embodiment
Below in conjunction with accompanying drawing the utility model pipeline gas self closing stop valve is described in further detail.
Such as Fig. 1, the utility model pipeline gas self closing stop valve, comprise overcurrent main valve body 1, the external magnet that is installed in overcurrent main valve body 1 outside promotes ring 3 and superheating device, Sealing 6 and unlatching spring 5, be provided with in the overcurrent main valve body 1 and be interconnected successively and valve pocket that internal diameter reduces successively, open spring chamber and outlet pipe section, opening spring 5 is installed in the unlatching spring chamber, wherein the pipeline gas self closing stop valve also comprises magnet 2, small magnet 11, outer-hexagonal joint 4 with overflow means 13, retaining spring 9, be provided with air-inlet cavity in the outer-hexagonal joint 4 and with the connection chamber of internal thread, air-inlet cavity and connection chamber are communicated with, small magnet 11, retaining spring 9, magnet 2 and Sealing 6 are packed in the valve pocket of overcurrent main valve body 1 successively, small magnet 11 is kept apart by retaining spring 9 and magnet 2, outer-hexagonal joint 4 connection chambers with overflow means 13 are threaded with overcurrent main valve body 1, wherein open spring 5 and are compressive state with retaining spring 9.Wherein the medial segment of the valve pocket of overcurrent main valve body 1 is circular cylindrical cavity, and segmentum laterale is circular cylindrical cavity, and the internal diameter of the circular cylindrical cavity of segmentum laterale is greater than the internal diameter of the circular cylindrical cavity of medial segment and be provided with the section of seamlessly transitting between the two.Retaining spring 9 is the turriform spring, and namely the diameter of spring is different, and the bottom is cylindrical, and the top is taper or taper type, and this diameter is not the diameter of spring material spring thread.Small magnet 11 is contained in the magnetosheath 12, and retaining spring 9 is enclosed within the tip portion of magnetosheath 12, and the top of tower spring section of retaining spring 9 is positioned at the position of the section of seamlessly transitting of the valve pocket of overcurrent main valve body 1.Superheating device comprises overtemperature spring 7, overtemperature circle 8, and overtemperature spring 7, overtemperature circle 8 are fixed on the outside of unlatching spring chamber and an end of close valve pocket by jump ring 10.Be provided with a shrinkage pool at Sealing 6, open spring 5 and be provided with in the shrinkage pool of a linkage section spring and insert-seal spare 6.Wherein arranging of superheating device can also be other scheme.Magnet 2 is the magnet of square magnet or other shape.
Such as Fig. 2, promote external magnet and promote ring 3 to closed condition, magnet 2 moves, Sealing 6 seal valve seats, small magnet 11 moves with magnet 2 opposite directions, withstands on overflow means 13 foremost, and making overflow means 13 be on state is normal state; Such as Fig. 3, promote external magnet and promote ring 3 to opening state, it is the air-flow opposite direction that magnet 2 is moved to the left, Sealing 6 is lifted off a seat under the effect of opening spring, the normal air feed of combustion gas, small magnet 11 moves with magnet 2 opposite directions simultaneously, leaves overflow means 13 foremost, and it is normal state that overflow means 13 also is on state; Such as Fig. 4, when inlet stream is excessive, overflow means 13 action closing passages, 3 on external magnet promotion this moment ring so is in opening state, when repeating the operation of Fig. 2, just making overflow means 13 on states is normal state, and wherein the solid arrow among each figure is airflow direction.
Claims (6)
1. pipeline gas self closing stop valve, comprise overcurrent main valve body (1), the external magnet that is installed in overcurrent main valve body (1) outside promotes ring (3) and superheating device, Sealing (6) and unlatching spring (5), be provided with in the overcurrent main valve body (1) and be interconnected successively and valve pocket that internal diameter reduces successively, open spring chamber and outlet pipe section, opening spring (5) is installed in the unlatching spring chamber, it is characterized in that: described pipeline gas self closing stop valve also comprises magnet (2), small magnet (11), joint (4) with overflow means (13), retaining spring (9), be provided with air-inlet cavity in the joint (4) and with the connection chamber of internal thread, air-inlet cavity and connection chamber are communicated with, small magnet (11), retaining spring (9), magnet (2) and Sealing (6) are packed in the valve pocket of overcurrent main valve body (1) successively, small magnet (11) is kept apart by retaining spring (9) and magnet (2), joint (4) connection chamber of band overflow means (13) is threaded with overcurrent main valve body (1), wherein opens spring (5) and is compressive state with retaining spring (9).
2. pipeline gas self closing stop valve according to claim 1, it is characterized in that: the medial segment of the valve pocket of described overcurrent main valve body (1) is circular cylindrical cavity, segmentum laterale is circular cylindrical cavity, and the internal diameter of the circular cylindrical cavity of segmentum laterale is greater than the internal diameter of the circular cylindrical cavity of medial segment and be provided with the section of seamlessly transitting between the two.
3. pipeline gas self closing stop valve according to claim 2, it is characterized in that: described retaining spring (9) is the turriform spring.
4. pipeline gas self closing stop valve according to claim 3, it is characterized in that: described small magnet (11) is contained in the magnetosheath (12), retaining spring (9) is enclosed within the tip portion of magnetosheath (12), and the top of tower spring section of retaining spring (9) is positioned at the position of the section of seamlessly transitting of the valve pocket of overcurrent main valve body (1).
5. pipeline gas self closing stop valve according to claim 1, it is characterized in that: described superheating device comprises overtemperature spring (7), overtemperature circle (8), and overtemperature spring (7), overtemperature circle (8) are fixed on the outside of unlatching spring chamber and an end of close valve pocket by jump ring (10).
6. pipeline gas self closing stop valve according to claim 1, it is characterized in that: described Sealing (6) is provided with a shrinkage pool, opens spring (5) and is provided with in the shrinkage pool of a linkage section spring and insert-seal spare (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220183307 CN202660006U (en) | 2012-04-25 | 2012-04-25 | Self-closing valve for pipeline gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220183307 CN202660006U (en) | 2012-04-25 | 2012-04-25 | Self-closing valve for pipeline gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202660006U true CN202660006U (en) | 2013-01-09 |
Family
ID=47454915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220183307 Expired - Lifetime CN202660006U (en) | 2012-04-25 | 2012-04-25 | Self-closing valve for pipeline gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202660006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090372A (en) * | 2016-08-22 | 2016-11-09 | 黄文辉 | A kind of air valve |
| CN107940095A (en) * | 2017-12-28 | 2018-04-20 | 邹启榆 | A kind of multifunctional fuel self-closing valve |
-
2012
- 2012-04-25 CN CN 201220183307 patent/CN202660006U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090372A (en) * | 2016-08-22 | 2016-11-09 | 黄文辉 | A kind of air valve |
| CN106090372B (en) * | 2016-08-22 | 2018-08-31 | 黄文辉 | A kind of air valve |
| CN107940095A (en) * | 2017-12-28 | 2018-04-20 | 邹启榆 | A kind of multifunctional fuel self-closing valve |
| CN107940095B (en) * | 2017-12-28 | 2023-09-22 | 邹启榆 | Multifunctional gas self-closing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Liao Xintao Document name: Notice of Patent Expiration and Termination |
|
| DD01 | Delivery of document by public notice |