CN205298724U - Domestic gas valve - Google Patents
Domestic gas valve Download PDFInfo
- Publication number
- CN205298724U CN205298724U CN201620070001.8U CN201620070001U CN205298724U CN 205298724 U CN205298724 U CN 205298724U CN 201620070001 U CN201620070001 U CN 201620070001U CN 205298724 U CN205298724 U CN 205298724U
- Authority
- CN
- China
- Prior art keywords
- valve body
- slide block
- blast tube
- sensing device
- domestic gas
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a domestic gas valve, which comprises a valve body, the valve body has gas fuel passag, its characterized in that gas fuel passag divide into the section of admitting air, switch section and the section of giving vent to anger, the internal diameter of gas fuel passag switch section is greater than the internal diameter of the section of giving vent to anger entry end, be provided with the sealed slider of using in the gas fuel passag, the bottom surface area of slider is less than the cross sectional area of gas fuel passag switch section, and is greater than the area of the gas fuel passag section of giving vent to anger entry end, the terminal surface of slider is provided with the sealed pad that is used for closing gas fuel passag, the valve is still including promoting slider shaft to the temperature sensing inductor that moves, when the temperature sensing inductor starts, the temperature sensing inductor promotes slider shaft to moving and closing gas fuel passag. Compared with the prior art, the utility model improve the security performance greatly, guaranteed user's personal safety and property safety.
Description
Technical field
The utility model relates to the improvement of a kind of burnt gas valve invention, in particular to be a kind of domestic gas valve.
Background technology
Burnt 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, pressure reducer is out of control or gas pipeline is damaged, come off and combustion gas flow can be caused excessive; 2, user's improper use can cause room temp too high, and the sudden condition of a fire occurs. Existing burnt gas valve only has manual 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 technology exists, the technical problems to be solved in the utility model 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 utility model adopts following technical 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 inlet end, sealing slide block it is provided with in described blast tube, the bottom surface area of described slide block is less than the section area of blast tube switch segments, and it is greater than the area of blast tube air outlet section inlet end, the end face of described slide block is provided with the gasket for closing blast tube, described valve also includes the thermal sensing device promoting slide block to move axially, when described thermal sensing device starts, described thermal sensing device promotion slide block moves axially and is closed 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 recesses, described fixed block is placed in this groove, there is in described valve the limited block that restriction fixed block moves, the top of described annular recesses has second ring groove, one end of described spring is placed in this second ring groove, the other end of described spring contacts with the inner face of valve body, in the situation of being heated, described induction cover heat expands, described spring promotes induction cover, and promotion slide block moves and closed by blast tube then.
Being 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 and the magnet ring of slide block induction.
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 recesses, described fixed block is placed in this groove, described valve body has the step that restriction fixed block moves to slide block direction, the top of described annular recesses has second ring groove, one end of described spring is placed in this second ring 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, and promotion slide block moves and closed by blast tube then.
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, is provided with the ball sealer that can be sealed by through hole in described housing, and 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 utility model is provided with thermal sensing device, when thermal sensing device senses that temperature is too high, then promotes slide block to move so that it is automatic-closing valve, avoids causing the condition of a fire because temperature is too high; The utility model is also provided with switching push button and overcurrent cutter, and described switching push button is used for the daily cut out of valve, it is to increase safety performance, and switching push button is also for the reset of thermal sensing device so that thermal sensing device can Reusability; Described overcurrent cutter can improve safety performance equally, when pressure reducer is out of control or the gas pipeline of output terminal is damaged, comes off when combustion gas flow can be caused excessive, overcurrent cutter will automatic-closing valve, avoid causing infringement because pressure is excessive; And when the condition of a fire is uncontrollable, when room temperature is up to 600 DEG C, the gasket of slide block is because of high temperature melting and makes slide block and valve interior wall bonding, and blast tube is sealed, and such combustion gas would not be revealed, and strives for the valuable time to fire-fighting and rescue. The utility model compared with prior art substantially increases safety performance, ensures personnel safety and the property safety of user.
Accompanying drawing explanation
Principle of work of the present utility model and relevant details thereof is further described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Fig. 3 is the structural representation of the utility model thermal sensing device.
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 inlet end 11, it is provided with sealing slide block 8 in described blast tube 13, the bottom surface area of described slide block 8 is less than the section area of blast tube switch segments 10, and it is greater than the area of blast tube air outlet section inlet end 11, the bottom surface of described slide block 8 is provided with gasket 9, described valve also includes the thermal sensing device promoting slide block 8 to move, 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 recesses 7, described fixed block 6 is placed in this groove 7, there is in described valve 14 limited block 3 that restriction fixed block moves, the top of described annular recesses 7 has second ring groove 5, one end of described spring 2 is placed in this second ring groove 5, the described the other end of spring 2 contacts with the inner face of valve body, in the situation of being heated, described induction cover 4 heat expands, described spring 2 promotes induction cover 4, then promotion slide block 8 moves and is closed by blast tube 13.When running into the condition of a fire, high temperature inspires thermal sensing device, namely induction cover 4 heat expands, gap is produced between induction cover 4 and fixed block 6, spring 2 promotes induction cover 4 to move axially, induction cover 4 promotion slide block 8 moves, and the gasket 9 on slide block contacts with the port 11 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, including 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, inner thread in one end insertion shell 20 of described valve body 14 and with shell 20 is connected, 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 inlet end 11, it is provided with sealing slide block 8 in described blast tube 13, described slide block 8 is responded to magnet ring 26, described slide block 8 can adopt iron block, the bottom surface area of described slide block 8 is less than the section area of blast tube switch segments 10, and it is greater than the area of blast tube air outlet section inlet end 11, the bottom surface of described slide block 8 is provided with gasket 9, described valve also includes the thermal sensing device 24 promoting slide block to 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 recesses 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 that restriction fixed block moves to slide block, the top of described annular recesses 7 has second ring groove 5, one end of described spring 2 is placed in this second ring 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 hand push button 29 is promoted to move, magnet ring on hand push button 29 makes slide block 8 move thereupon, the 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 inlet end of described housing is provided with filtering net, the bottom of described housing 22 is provided with through hole 28, the ball sealer 23 that through hole can be sealed it is provided with in described housing, described ball sealer 23 is connected with the upper end of housing by extension spring 21, and is provided with the thimble 25 that ball sealer is resetted on described slide block 8. when combustion gas flow is excessive, promotion ball sealer 23 moves axially and is blocked by through hole 28, 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 moves band movable slider 8 and moves, and the thimble 25 on slide block promotes ball sealer 23 to reset, 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, i.e. induction cover 4 pre-thermal expansions, gap is produced between induction cover 4 and fixed block 6, spring 2 promotes induction cover 4 to move axially, induction cover 4 promotion hand push button 29 moves, also move with the slide block 8 of magnet ring 26 phase induction thereupon, gasket 9 on slide block contacts with the port 11 of valve body air outlet section, sealing, blast tube 13 is closed, when room temperature exceedes the fusing point of gasket, gasket 9 melts, port 11 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 gasket, induction cover 4 recovery, user can manually button 29 Open valve, hand push button 29 is moved to the left, promoting induction cover 4 reset, the frictional force between fixed block 6 and induction cover 4 is greater than the elastic force of spring 2, thus induction cover 4 geo-stationary, when described hand push button 29 moves, being moved to the left with the slide block 8 of magnet ring 26 phase induction, the gasket 9 on slide block is separated with valve body inner port, and blast tube 13 is opened thereupon.
The utility model safety performance height, ensures personnel safety and the property safety of user to greatest extent; And structure is simple, easy for installation, it is possible to 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 inlet end, sealing slide block it is provided with in described blast tube, the bottom surface area of described slide block is less than the section area of blast tube switch segments, and it is greater than the area of blast tube air outlet section inlet end, the end face of described slide block is provided with the gasket for closing blast tube, described valve also includes the thermal sensing device promoting slide block to move axially, when described thermal sensing device starts, described thermal sensing device promotion slide block moves axially and is closed by blast tube.
2. domestic gas valve according to claim 1, it is characterised 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 recesses, described fixed block is placed in this groove, there is in described valve the limited block that restriction fixed block moves, the top of described annular recesses has second ring groove, one end of described spring is placed in this second ring groove, the other end of described spring contacts with the inner face of valve body, in the situation of being heated, described induction cover heat expands, described spring promotes induction cover, then hand push button is promoted to move, blast tube is closed by described slide block.
4. domestic gas valve according to claim 1, it is arranged with hand push button outside it is characterized in that described valve body, it is arranged with shell 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 and the magnet ring of slide block induction.
5. domestic gas valve according to claim 4, it is characterised 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 recesses, described fixed block is placed in this groove, described valve body has the step that restriction fixed block moves to slide block direction, the top of described annular recesses has second ring groove, one end of described spring is placed in this second ring 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 promotion slide block moves and is closed by blast tube.
7. domestic gas valve according to the arbitrary item of claim 1-6, it is characterised 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, is provided with the ball sealer that can be sealed by through hole in described housing, and described ball sealer is connected with the upper end of housing by extension spring.
9. domestic gas valve according to claim 8, it is characterised in that be provided with the thimble that ball sealer is resetted on described slide block.
10. domestic gas valve according to claim 4, it is characterised 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 |
---|---|---|---|
CN201620070001.8U CN205298724U (en) | 2016-01-26 | 2016-01-26 | Domestic gas valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620070001.8U CN205298724U (en) | 2016-01-26 | 2016-01-26 | Domestic gas valve |
Publications (1)
Publication Number | Publication Date |
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CN205298724U true CN205298724U (en) | 2016-06-08 |
Family
ID=56427290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620070001.8U Withdrawn - After Issue CN205298724U (en) | 2016-01-26 | 2016-01-26 | Domestic gas valve |
Country Status (1)
Country | Link |
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CN (1) | CN205298724U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105443822A (en) * | 2016-01-26 | 2016-03-30 | 张永茂 | Home gas valve |
-
2016
- 2016-01-26 CN CN201620070001.8U patent/CN205298724U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105443822A (en) * | 2016-01-26 | 2016-03-30 | 张永茂 | Home gas valve |
CN105443822B (en) * | 2016-01-26 | 2018-02-09 | 张永茂 | A kind of domestic gas valve |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20180209 |