CN105443822A - Home gas valve - Google Patents
Home gas valve Download PDFInfo
- Publication number
- CN105443822A CN105443822A CN201610048069.0A CN201610048069A CN105443822A CN 105443822 A CN105443822 A CN 105443822A CN 201610048069 A CN201610048069 A CN 201610048069A CN 105443822 A CN105443822 A CN 105443822A
- Authority
- CN
- China
- Prior art keywords
- valve body
- slide block
- blast tube
- sensing device
- thermal sensing
- 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.)
- Granted
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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
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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
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
Abstract
The invention discloses a home gas valve. The home gas valve comprises a valve body which is provided with a gas channel. The home gas valve is characterized in that the gas channel is divided into a gas inlet section, a switching section and a gas outlet section. The inner diameter of the switching section of the gas channel is larger than that of the inlet end of the gas outlet section. A sliding block for sealing is arranged in the gas channel, and the bottom face area of the sliding block is smaller than the cross section area of the switching section of the gas channel and larger than the area of the inlet end of the gas outlet section of the gas channel. A sealing pad for switching off the gas channel is arranged on the end face of the sliding block. The valve further comprises a thermosensitive inductor pushing the sliding block to move axially. The thermosensitive inductor pushes the sliding block to move axially to switch off the gas channel when started. Compared with the prior art, the home gas valve has the advantages that the safety performance is greatly improved, and personal safety and property safety of users are guaranteed.
Description
Technical field
The present invention relates to be a kind of gas valve improvement invention, particularly be a kind of domestic gas valve.
Background technique
Gas valve is for controlling connection and the cut-out of combustion gas in gas pipeline, and gas pipeline in use exists potential safety hazard, such as: 1, decompressor is out of control or gas pipeline is damaged, come off and gas flow can be caused excessive; 2, user's improper use can cause room temperature too high, and the sudden condition of a fire occurs.Existing gas valve only has hand switch effect, poor safety performance, and the safety of user can not get ensureing.
Summary of the invention
In view of the technical problem that background technique exists, the technical problem to be solved in the present invention is to provide the high domestic gas valve of a kind of Safety performance.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme to realize: this kind of domestic gas valve, include valve body, described valve body has blast tube, it is characterized in that described blast tube is divided into air inlet section, switch segments and air outlet section, the internal diameter of described blast tube switch segments is greater than the internal diameter of air outlet section entry end, sealing slide block is provided with in described blast tube, the base area of described slide block is less than the section area of blast tube switch segments, and be greater than the area of blast tube air outlet section entry end, the end face of described slide block is provided with the sealing gasket for closing blast tube, described valve also includes the thermal sensing device promoting slide block and move axially, when described thermal sensing device starts, described thermal sensing device promotes slide block and moves axially and cut out by blast tube.
Described thermal sensing device is arranged in valve body.
Described thermal sensing device includes induction cover, fixed block and spring, described induction cover has annular groove, described fixed block is placed in this groove, there is in described valve the limiting stopper of restriction fixed block movement, the top of described annular groove has the second circular groove, one end of described spring is placed in this second circular groove, the other end of described spring contacts with the interior edge face of valve body, in the situation of being heated, described induction cover heat expands, described spring promotes induction cover, then promotes slide block and moves and closed by blast tube.
Be arranged with hand push button outside described valve body, be arranged with shell outside described hand push button, described valve body is connected with shell, and described hand push button opposite shell and valve body can move axially, and described hand push button is provided with the magnet ring responded to slide block.
Described thermal sensing device is arranged between hand push button and shell, and described thermal sensing device is set on valve body.
Described thermal sensing device includes induction cover, fixed block and spring, described induction cover has annular groove, described fixed block is placed in this groove, described valve body has the step of restriction fixed block to the movement of slide block direction, the top of described annular groove has the second circular groove, one end of described spring is placed in this second circular groove, the other end of described spring and housing contacts, in the situation of being heated, described induction cover heat expands, described spring promotes induction cover, then promotes slide block and moves and closed by blast tube.
The air inlet section of the blast tube of described valve body is provided with overcurrent cutter.
Described overcurrent cutter includes housing, and the bottom of described housing is provided with through hole, and be provided with the ball sealer that through hole can be sealed in described housing, described ball sealer is connected with the upper end of housing by extension spring.
Described slide block is provided with the thimble that ball sealer is resetted.
One end of described valve body is inserted in shell, and described valve body is connected with the inner thread of shell.
The present invention is provided with thermal sensing device, when thermal sensing device senses that temperature is too high, then promotes slide block and moves, make its automatic-closing valve, avoid that Yin Wendu is too high causes the condition of a fire; The present invention is also provided with switch button and overcurrent cutter, and described switch button is used for the daily cut out of valve, improves Safety performance, and switch button, also for the reset of thermal sensing device, makes thermal sensing device can Reusability; Described overcurrent cutter can improve Safety performance equally, when decompressor is out of control or the gas pipeline of output terminal is damaged, comes off when gas flow can be caused excessive, and overcurrent cutter will automatic-closing valve, avoids causing damage because pressure is excessive; And when the condition of a fire is uncontrollable, when room temperature is up to 600 DEG C, the sealing gasket of slide block is because of high temperature melting and make slide block and valve interior wall bond, and blast tube is sealed, and such combustion gas would not be revealed, and strives for the time of preciousness to fire-fighting and rescue.The present invention compared with prior art substantially increases Safety performance, ensures personal safety and the property safety of user.
Accompanying drawing explanation
Working principle of the present invention and details thereof is further described below in conjunction with accompanying drawing.
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, with reference to Fig. 1, a kind of domestic gas valve, include valve body 14, described valve body 14 has blast tube 13, described blast tube is divided into air inlet section 1, switch segments 10 and air outlet section 12, the internal diameter of described blast tube switch segments 10 is greater than the internal diameter of air outlet section entry end 11, sealing slide block 8 is provided with in described blast tube 13, the base area of described slide block 8 is less than the section area of blast tube switch segments 10, and be greater than the area of blast tube air outlet section entry end 11, the bottom surface of described slide block 8 is provided with sealing gasket 9, described valve also includes the thermal sensing device promoting slide block 8 movement, described thermal sensing device is arranged in valve body 14, described thermal sensing device includes induction cover 4, fixed block 6 and spring 2, described induction cover 4 has annular groove 7, described fixed block 6 is placed in this groove 7, there is in described valve 14 limiting stopper 3 of restriction fixed block movement, the top of described annular groove 7 has the second circular groove 5, one end of described spring 2 is placed in this second circular groove 5, the described the other end of spring 2 contacts with the interior edge face of valve body, in the situation of being heated, described induction cover 4 heat expands, described spring 2 promotes induction cover 4, then promote slide block 8 move and blast tube 13 is closed.When running into the condition of a fire, high temperature inspires thermal sensing device, namely respond to cover 4 heat to expand, gap is produced between induction cover 4 and fixed block 6, spring 2 promotes induction cover 4 and moves axially, induction cover 4 promotes slide block 8 and moves, and the sealing gasket 9 on slide block contacts with the port one 1 of valve body air outlet section, seals, thus is closed by blast tube 13.
Embodiment two, with reference to accompanying drawing 2, this kind of domestic gas valve, include valve body 14, shell 20 and hand push button, described hand push button 29 is set in outside valve body 14, and described shell 20 is set in outside hand push button 29, one end of described valve body 14 to be inserted in shell 20 and is connected with the inner thread of shell 20, described valve body 14 has blast tube 13, and described hand push button 29 opposite shell 20 and valve body 14 can move axially, and described hand push button 29 is provided with magnet ring 26, described blast tube 13 is divided into air inlet section 1, switch segments 10 and air outlet section 12, the internal diameter of described blast tube switch segments 10 is greater than the internal diameter of air outlet section entry end 11, sealing slide block 8 is provided with in described blast tube 13, described slide block 8 is responded to magnet ring 26, described slide block 8 can adopt iron block, the base area of described slide block 8 is less than the section area of blast tube switch segments 10, and be greater than the area of blast tube air outlet section entry end 11, the bottom surface of described slide block 8 is provided with sealing gasket 9, described valve also includes the thermal sensing device 24 promoting slide block and move axially, described thermal sensing device 24 is arranged between hand push button 29 and shell 20, and thermal sensing device 24 is set on valve body 14.Described thermal sensing device includes induction cover 4, fixed block 6 and spring 2, described induction cover 4 has annular groove 7, described fixed block 6 is placed in this groove 7, described fixed block 6 and induction cover 4 are set in outside valve body 14, described valve body 14 has the step 27 of restriction fixed block to slide block movement, the top of described annular groove 7 has the second circular groove 5, one end of described spring 2 is placed in this second circular groove 5, the other end of described spring 2 contacts with shell 20, in the situation of being heated, described induction cover 4 heat expands, described induction cover 4 has gap with fixed block 6, described spring 2 promotes induction cover 4, then promote hand push button 29 to move, magnet ring on hand push button 29 makes slide block 8 move thereupon, the sealing gasket 9 of slide block makes blast tube 13 close completely.The air inlet section 1 of the blast tube of described valve body 14 is provided with overcurrent cutter, described overcurrent cutter includes housing 22, the entry end of described housing is provided with filter screen, the bottom of described housing 22 is provided with through hole 28, the ball sealer 23 that through hole can be sealed is provided with in described housing, described ball sealer 23 is connected with the upper end of housing by extension spring 21, and described slide block 8 is provided with the thimble 25 that ball sealer is resetted.When gas flow is excessive, promote ball sealer 23 move axially and through hole 28 is blocked, automatic self-closing gas like this, when combustion gas is normal, extension spring 21 pulls ball sealer 23 to reset, or hand push button 29 moving belt movable slider 8 moves, and the thimble 25 on slide block promotes ball sealer 23 and resets, ball sealer 23 is finally made to be separated with through hole, blast tube normal ventilation.
When running into the condition of a fire, high temperature inspires thermal sensing device 24, namely the pre-thermal expansion of cover 4 is responded to, gap is produced between induction cover 4 and fixed block 6, spring 2 promotes induction cover 4 and moves axially, induction cover 4 promotes hand push button 29 and moves, the slide block 8 responded to magnet ring 26 phase also moves thereupon, sealing gasket 9 on slide block contacts with the port one 1 of valve body air outlet section, sealing, blast tube 13 is closed, when room temperature exceedes the fusing point of sealing gasket, sealing gasket 9 melts, port one 1 close adhesion of slide block 8 and valve body air outlet section, blast tube 13 is completely sealed, gas leakage can be avoided, the valuable time is striven for fire-fighting and rescue, improve Safety performance.After situation is normal, and high temperature does not exceed the fusing point of sealing gasket, induction cover 4 restores, and user can manually button 29 Open valve, hand push button 29 is moved to the left, promote induction cover 4 to reset, the frictional force between fixed block 6 and induction cover 4 is greater than the elastic force of spring 2, thus responds to cover 4 geo-stationary, when described hand push button 29 moves, the slide block 8 responded to magnet ring 26 phase is moved to the left thereupon, and the sealing gasket 9 on slide block is separated with valve body inner port, and blast tube 13 is opened.
Safety performance of the present invention is high, ensures personal safety and the property safety of user to greatest extent; And structure is simple, easy for installation, can Reusability, and long service life.
Claims (10)
1. a domestic gas valve, include valve body, described valve body has blast tube, it is characterized in that described blast tube is divided into air inlet section, switch segments and air outlet section, the internal diameter of described blast tube switch segments is greater than the internal diameter of air outlet section entry end, sealing slide block is provided with in described blast tube, the base area of described slide block is less than the section area of blast tube switch segments, and be greater than the area of blast tube air outlet section entry end, the end face of described slide block is provided with the sealing gasket for closing blast tube, described valve also includes the thermal sensing device promoting slide block and move axially, when described thermal sensing device starts, described thermal sensing device promotes slide block and moves axially and cut out by blast tube.
2. domestic gas valve according to claim 1, is characterized in that described thermal sensing device is arranged in valve body.
3. domestic gas valve according to claim 2, it is characterized in that described thermal sensing device includes induction cover, fixed block and spring, described induction cover has annular groove, described fixed block is placed in this groove, there is in described valve the limiting stopper of restriction fixed block movement, the top of described annular groove has the second circular groove, one end of described spring is placed in this second circular groove, the other end of described spring contacts with the interior edge face of valve body, in the situation of being heated, described induction cover heat expands, described spring promotes induction cover, then promote hand push button to move, blast tube is closed by described slide block.
4. domestic gas valve according to claim 1, it is characterized in that being arranged with hand push button outside described valve body, shell is arranged with outside described hand push button, described valve body is connected with shell, described hand push button opposite shell and valve body can move axially, and described hand push button are provided with the magnet ring responded to slide block.
5. domestic gas valve according to claim 4, it is characterized in that described thermal sensing device is arranged between hand push button and shell, and described thermal sensing device is set on valve body.
6. domestic gas valve according to claim 5, it is characterized in that described thermal sensing device includes induction cover, fixed block and spring, described induction cover has annular groove, described fixed block is placed in this groove, described valve body has the step of restriction fixed block to the movement of slide block direction, the top of described annular groove has the second circular groove, one end of described spring is placed in this second circular groove, the other end of described spring and housing contacts, in the situation of being heated, described induction cover heat expands, described spring promotes induction cover, then promote slide block move and blast tube is closed.
7. the domestic gas valve according to any one of claim 1-6, is characterized in that the air inlet section of the blast tube of described valve body is provided with overcurrent cutter.
8. domestic gas valve according to claim 7, it is characterized in that described overcurrent cutter includes housing, the bottom of described housing is provided with through hole, and be provided with the ball sealer that through hole can be sealed in described housing, described ball sealer is connected with the upper end of housing by extension spring.
9. domestic gas valve according to claim 8, is characterized in that described slide block being provided with the thimble that ball sealer is resetted.
10. domestic gas valve according to claim 4, it is characterized in that one end of described valve body is inserted in shell, and described valve body is connected with the inner thread of shell.
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 true CN105443822A (en) | 2016-03-30 |
| CN105443822B 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 |
|---|---|
| CN (1) | CN105443822B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100139787A1 (en) * | 2008-12-10 | 2010-06-10 | Xuebo Li | Gas Overflow Safety Protector |
| 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 |
-
2016
- 2016-01-26 CN CN201610048069.0A patent/CN105443822B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100139787A1 (en) * | 2008-12-10 | 2010-06-10 | Xuebo Li | Gas Overflow Safety Protector |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105443822B (en) | 2018-02-09 |
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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 |