CN105443822B - A kind of domestic gas valve - Google Patents
A kind of domestic gas valve Download PDFInfo
- Publication number
- CN105443822B CN105443822B CN201610048069.0A CN201610048069A CN105443822B CN 105443822 B CN105443822 B CN 105443822B CN 201610048069 A CN201610048069 A CN 201610048069A CN 105443822 B CN105443822 B CN 105443822B
- Authority
- CN
- China
- Prior art keywords
- blast tube
- sliding block
- valve body
- sensing device
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000001737 promoting effect Effects 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 241000773945 Trimusculidae Species 0.000 claims 1
- 239000007789 gas Substances 0.000 description 18
- 239000000567 combustion gas Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
-
- 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
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of domestic gas valve, include valve body, the valve body has blast tube, it is characterized in that the blast tube is divided into air inlet section, switch segments and air outlet section, the internal diameter of the blast tube switch segments is more than the internal diameter of air outlet section arrival end, sealing sliding block is provided with the blast tube, the base area of the sliding block is less than the area of section of blast tube switch segments, and more than the area of blast tube air outlet section arrival end, the end face of the sliding block is provided with the sealing gasket for closing blast tube, the valve also includes the thermal sensing device for promoting sliding block axial movement, when the thermal sensing device starts, the thermal sensing device promotes sliding block to move axially and closes blast tube.The present invention substantially increases security performance compared with prior art, ensures personal safety and the property safety of user.
Description
Technical field
The present invention relates to a kind of burnt gas valve improvement invention, more particularly to be a kind of domestic gas valve.
Background technology
Burnt gas valve is used to control being switched on and off for combustion gas in gas pipeline, and gas pipeline has peace in use
Full hidden danger, such as:1st, pressure reducer is out of control or gas pipeline is damaged, coming off can cause gas flow excessive;2nd, user's improper use
Indoor temperature can be caused too high, the sudden condition of a fire occurs.Existing burnt gas valve only has hand switch effect, security performance
Difference, the safety of user cannot ensure.
The content of the invention
In view of technical problem existing for background technology, high the technical problem to be solved in the present invention is to provide a kind of security performance
Domestic gas valve.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that to realize:This kind of household gas valve
Door, include valve body, the valve body has blast tube, it is characterised in that the blast tube be divided into air inlet section, switch segments and
Air outlet section, the internal diameter of the blast tube switch segments are more than the internal diameter of air outlet section arrival end, are provided with the blast tube close
Envelope sliding block, the base area of the sliding block is less than the area of section of blast tube switch segments, and is more than blast tube air outlet section
The area of arrival end, the end face of the sliding block are provided with the sealing gasket for closing blast tube, and the valve, which also includes, to be pushed away
The thermal sensing device of movable slider axial movement, when the thermal sensing device starts, the thermal sensing device promotes sliding block axially to move
Move and close blast tube.
The thermal sensing device is arranged in valve body.
The thermal sensing device includes sensing set, fixed block and spring, and the sensing set has annular groove, described solid
Determine block to be placed in the groove, there is the limited block of limitation fixed block movement, the top of the annular groove has in the valve
Second annular groove, one end of the spring are placed in second annular groove, and the other end of the spring and the inner face of valve body connect
Touch, in the case of heated, the sensing covers heat expansion, and the spring promotes sensing set, and then promotion sliding block is mobile and will combustion
Gas passage is closed.
Hand push button is arranged with outside the valve body, shell, the valve body and cage connection are arranged with outside the hand push button,
The hand push button opposite shell and valve body can be moved axially, and the magnet ring with sliding block sensing is provided with the hand push button.
The thermal sensing device is arranged between hand push button and shell, and the thermal sensing device is set on valve body.
The thermal sensing device includes sensing set, fixed block and spring, and the sensing set has annular groove, described solid
Determine block to be placed in the groove, the valve body has the step that is moved to sliding block direction of limitation fixed block, the annular groove it is upper
Side has the second annular groove, and one end of the spring is placed in second annular groove, and the other end of the spring contacts with shell,
In the case of heated, the sensing set heat expansion, the spring promotes sensing set, then promotes sliding block mobile and lead to combustion gas
Road is closed.
The air inlet section of the blast tube of the valve body is provided with excessively stream cutter.
The excessively stream cutter includes housing, and the bottom of the housing is provided with through hole, and being provided with the housing can
With the ball sealer for sealing through hole, the ball sealer is connected by the upper end of extension spring and housing.
The thimble for resetting ball sealer is provided with the sliding block.
In one end insertion shell of the valve body, and the inner thread of the valve body and shell connects.
The present invention is provided with thermal sensing device, when thermal sensing device senses that temperature is too high, then promotes sliding block movement, makes
Its automatic-closing valve, avoid the condition of a fire caused by temperature is too high;The present invention is also provided with shift knob and excessively stream cutter, described
Shift knob is used for the daily closing of valve, improves security performance, and shift knob is additionally operable to the reset of thermal sensing device so that heat
Quick inductor can Reusability;The excessively stream cutter can equally improve security performance, when pressure reducer is out of control or output end
Gas pipeline is damaged, comes off when gas flow can be caused excessive, excessively stream cutter will automatic-closing valve, avoid because of pressure mistake
Cause damage greatly;And when the condition of a fire is uncontrollable, when room temperature is up to 600 DEG C, the sealing gasket of sliding block because of high temperature melting and makes sliding block
Bonded with valve interior wall, blast tube is sealed, and such combustion gas would not be revealed, and strive for valuable time to fire-fighting and rescue.This
Invention substantially increases security performance compared with prior art, ensures personal safety and the property safety of user.
Brief description of the drawings
The operation principle of the present invention and its relevant details are further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the structural representation of the embodiment of the present invention two.
Fig. 3 is the structural representation of thermal sensing device of the present invention.
Embodiment
Embodiment one, reference picture 1, a kind of domestic gas valve include valve body 14, and the valve body 14 has blast tube
13, the blast tube is divided into air inlet section 1, switch segments 10 and air outlet section 12, and the internal diameter of the blast tube switch segments 10 is more than
The internal diameter of air outlet section arrival end 11, sealing sliding block 8 is provided with the blast tube 13, the base area of the sliding block 8 is small
In the area of section of blast tube switch segments 10, and more than the area of blast tube air outlet section arrival end 11, the bottom of the sliding block 8
Face is provided with sealing gasket 9, and the valve also includes the thermal sensing device for promoting sliding block 8 to move, and the thermal sensing device is set
In valve body 14, the thermal sensing device includes sensing set 4, fixed block 6 and spring 2, and the sensing set 4 has annular groove
7, the fixed block 6 is placed in the groove 7, is had in the valve 14 and is limited the limited block 3 that fixed block moves, and the annular is recessed
The top of groove 7 has the second annular groove 5, and one end of the spring 2 is placed in second annular groove 5, the other end of the spring 2
Contacted with the inner face of valve body, in the case of heated, the sensing set 4 heats expansion, the spring 2 promotes sensing set 4, then
Sliding block 8 is promoted to move and close blast tube 13.When running into the condition of a fire, high temperature inspires thermal sensing device, i.e., 4 heats of sensing set are swollen
It is swollen, gap is produced between sensing set 4 and fixed block 6, spring 2 promotes the axial movement of sensing set 4, and the promotion sliding block 8 of sensing set 4 moves
Dynamic, the sealing gasket 9 on sliding block is contacted with the port 11 of valve body air outlet section, sealed, so as to which blast tube 13 be closed.
Embodiment two, referring to the drawings 2, this kind of domestic gas valve, include valve body 14, shell 20 and hand push button, institute
State hand push button 29 to be set in outside valve body 14, the shell 20 is set in outside hand push button 29, one end insertion of the valve body 14
It is connected in shell 20 and with the inner thread of shell 20, the valve body 14 has a blast tube 13, and the hand push button 29 is relative
Shell 20 and valve body 14 can be moved axially, and magnet ring 26 is provided with the hand push button 29;The blast tube 13 divide be into
Gas section 1, switch segments 10 and air outlet section 12, the internal diameter of the blast tube switch segments 10 are more than the internal diameter of air outlet section arrival end 11,
Sealing sliding block 8 is provided with the blast tube 13, the sliding block 8 senses with magnet ring 26, and the sliding block 8 can use iron
Block, the base area of the sliding block 8 is less than the area of section of blast tube switch segments 10, and is more than blast tube air outlet section entrance
The area at end 11, the bottom surface of the sliding block 8 are provided with sealing gasket 9, and the valve also includes the heat for promoting sliding block axial movement
Quick inductor 24, the thermal sensing device 24 is arranged between hand push button 29 and shell 20, and thermal sensing device 24 is set in
On valve body 14.The thermal sensing device includes sensing set 4, fixed block 6 and spring 2, and the sensing set 4 has annular groove 7,
The fixed block 6 is placed in the groove 7, and the fixed block 6 and sensing set 4 are set in outside valve body 14, and the valve body 14 has limit
The step 27 that fixed block processed moves to sliding block, the top of the annular groove 7 have the second annular groove 5, one end of the spring 2
It is placed in second annular groove 5, the other end of the spring 2 is contacted with shell 20, and in the case of heated, the sensing set 4 is met
Thermal expansion, the sensing set 4 have gap with fixed block 6, and the spring 2 promotes sensing set 4, then promotes hand push button 29 to move
Dynamic, the magnet ring on hand push button 29 moves sliding block 8, and the sealing gasket 9 of sliding block completely closes blast tube 13.The valve
The air inlet section 1 of the blast tube of body 14 is provided with excessively stream cutter, and the excessively stream cutter includes housing 22, the housing
Arrival end is provided with screen pack, and the bottom of the housing 22 is provided with through hole 28, and being provided with the housing can be close by through hole
The ball sealer 23 of envelope, the ball sealer 23 are connected by extension spring 21 with the upper end of housing, and are provided with the sliding block 8 and are made sealing
The thimble 25 that ball resets.When gas flow is excessive, ball sealer 23 is promoted to move axially and block through hole 28, it is so automatic to close
Combustion gas is closed, when combustion gas is normal, extension spring 21 pulls ball sealer 23 to reset, or the moving belt movable slider 8 of hand push button 29 moves, sliding
Thimble 25 on block promotes ball sealer 23 to reset, and ball sealer 23 is separated with through hole, blast tube normal ventilation.
When running into the condition of a fire, high temperature inspires thermal sensing device 24, i.e., sensing set 4 pre- thermal expansions, sensing set 4 with fixed block 6 it
Between produce gap, spring 2 promotes the axial movement of sensing set 4, and the promotion hand push buttons 29 of sensing set 4 are moved, sensed with the phase of magnet ring 26
Sliding block 8 also move, the sealing gasket 9 on sliding block is contacted with the port 11 of valve body air outlet section, sealed, and blast tube 13 is closed
Close, when room temperature exceedes the fusing point of sealing gasket, sealing gasket 9 melts, sliding block 8 and the close adhesion of port 11 of valve body air outlet section, combustion
Gas passage 13 is completely sealed, and can avoid gas leakage, is striven for valuable time to fire-fighting and rescue, is improved security performance.Treat situation just
Chang Hou, and high temperature is not above the fusing point of sealing gasket, sensing set 4 restores, user can the manually Open valve of button 29, hand
Dynamic button 29 is moved to the left, and promotes sensing set 4 to reset, and the frictional force between fixed block 6 and sensing set 4 is more than the elastic force of spring 2,
Thus 4 geo-stationaries of sensing set, when the hand push button 29 moves, it is moved to the left therewith with the sliding block 8 of the phase of magnet ring 26 sensing, it is sliding
Sealing gasket 9 on block is separated with valve body inner port, and blast tube 13 is opened.
Security performance of the present invention is high, ensures personal safety and the property safety of user to greatest extent;And simple in construction,
It is easy for installation, can be with Reusability, and service life is grown.
Claims (5)
1. a kind of domestic gas valve, includes valve body, the valve body has blast tube, it is characterised in that the blast tube
It is divided into air inlet section, switch segments and air outlet section, the internal diameter of the blast tube switch segments is more than the internal diameter of air outlet section arrival end, described
Sealing sliding block is provided with blast tube, the base area of the sliding block is less than the area of section of blast tube switch segments, and
More than the area of blast tube air outlet section arrival end, the end face of the sliding block is provided with the sealing gasket for closing blast tube,
The valve also includes the thermal sensing device for promoting sliding block axial movement, described thermo-responsive when the thermal sensing device starts
Answer device to promote sliding block to move axially and close blast tube, be arranged with hand push button outside the valve body, outside the hand push button
Shell, the valve body and cage connection are arranged with, the hand push button opposite shell and valve body can move axially, described manual
The magnet ring with sliding block sensing is provided with button, the thermal sensing device is arranged between hand push button and shell, and the heat
Quick inductor is set on valve body, it is characterised in that the thermal sensing device includes sensing set, fixed block and spring, the sense
It should cover with annular groove, the fixed block is placed in the groove, and there is the valve body limitation fixed block to be moved to sliding block direction
Step, the top of the annular groove has the second annular groove, and one end of the spring is placed in second annular groove, described
The other end of spring contacts with shell, and in the case of heated, the sensing set heat expansion, the spring promotes sensing set, after
And promote sliding block mobile and close blast tube.
2. domestic gas valve according to claim 1, it is characterised in that the air inlet section of the blast tube of the valve body is set
It is equipped with excessively stream cutter.
3. domestic gas valve according to claim 2, it is characterised in that the excessively stream cutter includes housing, described
The bottom of housing is provided with through hole, and the ball sealer that can seal through hole is provided with the housing, and the ball sealer passes through drawing
The upper end of spring and housing connects.
4. domestic gas valve according to claim 3, it is characterised in that being provided with the sliding block resets ball sealer
Thimble.
5. domestic gas valve according to claim 1, it is characterised in that in one end insertion shell of the valve body, and institute
The inner thread for stating valve body and shell connects.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610048069.0A CN105443822B (en) | 2016-01-26 | 2016-01-26 | A kind of domestic gas valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610048069.0A CN105443822B (en) | 2016-01-26 | 2016-01-26 | A kind of domestic gas valve |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105443822A CN105443822A (en) | 2016-03-30 |
CN105443822B true CN105443822B (en) | 2018-02-09 |
Family
ID=55554339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610048069.0A Active CN105443822B (en) | 2016-01-26 | 2016-01-26 | A kind of domestic gas valve |
Country Status (1)
Country | Link |
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CN (1) | CN105443822B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102121540A (en) * | 2010-12-09 | 2011-07-13 | 廖新桃 | Self-closing fireproof valve for gas fire protection |
CN103438257A (en) * | 2013-09-10 | 2013-12-11 | 许道泽 | Ball-free gas valve |
CN203979553U (en) * | 2014-07-16 | 2014-12-03 | 江门市尚域科技开发有限公司 | The manually operated valve that a kind of high temperature is closed automatically |
CN204942671U (en) * | 2015-09-21 | 2016-01-06 | 常景泓 | Multifunctional fire-proof safety valves for gas |
CN205298724U (en) * | 2016-01-26 | 2016-06-08 | 张永茂 | Domestic gas valve |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201306484Y (en) * | 2008-12-10 | 2009-09-09 | 李雪波 | Gas overflow protective device |
-
2016
- 2016-01-26 CN CN201610048069.0A patent/CN105443822B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102121540A (en) * | 2010-12-09 | 2011-07-13 | 廖新桃 | Self-closing fireproof valve for gas fire protection |
CN103438257A (en) * | 2013-09-10 | 2013-12-11 | 许道泽 | Ball-free gas valve |
CN203979553U (en) * | 2014-07-16 | 2014-12-03 | 江门市尚域科技开发有限公司 | The manually operated valve that a kind of high temperature is closed automatically |
CN204942671U (en) * | 2015-09-21 | 2016-01-06 | 常景泓 | Multifunctional fire-proof safety valves for gas |
CN205298724U (en) * | 2016-01-26 | 2016-06-08 | 张永茂 | Domestic gas valve |
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Publication number | Publication date |
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CN105443822A (en) | 2016-03-30 |
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TR01 | Transfer of patent right |
Effective date of registration: 20190131 Address after: 325000 Jinqiao Industrial Zone, Taoshan Town, Ruian City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Jiaan Gas Safety Technology Co., Ltd. Address before: 325000 Jinqiao Industrial Zone, Taoshan Town, Ruian City, Wenzhou City, Zhejiang Province Patentee before: Zhang Yongmao |
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TR01 | Transfer of patent right |