CN204985899U - Novel household gas self - closing valves door - Google Patents
Novel household gas self - closing valves door Download PDFInfo
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- CN204985899U CN204985899U CN201520479611.9U CN201520479611U CN204985899U CN 204985899 U CN204985899 U CN 204985899U CN 201520479611 U CN201520479611 U CN 201520479611U CN 204985899 U CN204985899 U CN 204985899U
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- self
- closing
- valve
- gas self
- gas
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Abstract
The utility model relates to a household pipeline gas's novel gas self -closing valve door, novel household gas self - closing valves door (100) only include gas self -closing valve body base (101), valve body cap (102), fixed mounting on the valve body cap rotary switch (103) and install in rolling into a ball valve (100) self -imposed controlling means (104) wherein certainly. Therefore, novel domestic gas self - closing valves (100) have easy operation, and the leak protection effect is obvious, the high advantage of self -imposed function sensitivity, and it is inconvenient effectively to have overcome the operation of current domestic gas self - closing valves, and the leak protection effect is poor, the not strong shortcoming of self -imposed function sensitivity.
Description
Technical field
The utility model relates to Household pipe gas valve, especially relates to a kind of novel household pipeline gas self-closing valve of Household pipe gas valve.
Background technique
Along with the speed-raising of Urbanization Construction, the increase of the quick growth of natural gas line user and indoor fuel gas service time.Because existing incomplete indoor fuel gas system also exists combustion gas use safety hidden danger, the gas safe hidden danger especially produced under gas leakage and under-voltage and superpressure situation becomes increasingly conspicuous, and serious prestige assists the safety of life and property of people.
In order to solve this difficult problem, people's development & production Household pipe gas self closing stop valve.But existing Household pipe gas self-closing valve, ubiquitous defect is: so-called overcurrent cuts off, need larger inflow-rate of water turbine could realize self-closing function, and the gas leakage amount that the overcurrent being less than existing gas self-closing valve cuts off, to be enough to cause gas safe accident, the potential safety hazard of gas leakage effectively can not be solved.
There is above-mentioned defect in existing Household pipe gas self closing stop valve, topmost reason is: generally have employed combustion gas and directly enter self closing stop valve inner chamber, via the design principle of inner chamber air outlet input kitchen range flexible pipe.When there is gas leakage, the gas leakage amount of air outlet must be greater than the throughput of suction port, could affect the air pressure of self closing stop valve inner chamber, realize effect of automatic closedown, and be less than the leakage rate of air inflow, then can not realize self-closing function.Existing Household pipe gas self-closing valve also needs to increase a manual gas valve outward at self closing stop valve simultaneously, opens after valve, also needs further manual unlocking gas valve.
Model utility content
In view of this, the utility model provides a kind of novel household pipeline gas self-closing valve, effectively can not prevent gas leakage to solve existing Household pipe gas self-closing valve and need to increase at self closing stop valve the problem designing manual gas valve outward.
The utility model is by the following technical solutions:
A kind of novel household pipeline gas self-closing valve, described Household pipe gas self-closing valve comprises gas self-closing valve valve base and valve body cap and is fixed on the rotary switch that valve housing covers, and also comprises and is installed on self closing stop valve self-closing control gear wherein.
Suction port, air outlet and refluxing opening is respectively arranged with at described self-closing valve base, and be provided with the installation shaft of mounting sealing device, seal arrangement is fixing on the mounting shaft, make the source of the gas of suction port can not directly enter self closing stop valve inner chamber, source of the gas enters self closing stop valve inner chamber can only by being arranged on the refluxing opening in air outlet.
Design and installation caulking gum diaphragm and control the pull bar of lifting in described cap.
Described rotary switch is provided with switch indicating arrow, rotary switch indicating arrow is threaded to closed position, self-closing valve will be automatically locked, and be in closed condition; Rotary switch indicating arrow is threaded to enable possition, and self closing stop valve could normally use.
Preferably, described pull bar, is fixed on pull bar lower end by nut by rubber seal diaphragm, and pull bar lower end is in transmission connection with the sealing axle sleeve being connected magnet by magnet suction, and pull bar upper end screw and the rotary switch be positioned at above cap are in transmission connection.When upwards mentioning or putting down knob, can rise and decline by shackle rod, to realize the function opening and closing valve.
Preferably, described magnet is positioned on fixed plate, and is in transmission connection by screw and sealing axle sleeve.
Preferably, described fixed plate two ends are designed with aperture, and be fixed by screws in the installation shaft on self closing stop valve base, centre is provided with macropore, fixing by magnet and stuffing box gland connection for transmission by screw.
Preferably, described seal washer, is placed in below fixed plate, on the endoporus that self-closing valve base designs, controls air-flow and does not allow it enter self closing stop valve inner chamber from endoporus.
Preferably, described sealing axle sleeve sleeve is circular, and sealing axle sleeve, with when magnet transmission moves, forms close contact with seal washer, stops air-flow from air inlet source side to entering self closing stop valve inner chamber.
Preferably, described sealing gasket, is arranged on sealing axle sleeve lower end, when magnet departs from pull bar, can move down by transmission sealing shaft sleeve, makes sealing gasket be close to valve suction port, realize the object of sealing source of the gas.
As mentioned above, a kind of Household pipe gas self-closing valve described in the utility model, comprises the rotary switch on gas self-closing valve body base and cap and cap, also comprises and be arranged on self closing stop valve self-closing control gear wherein.Described Household pipe gas self-closing valve adopts air-flow to enter valve cavity in the other direction, when there is gas leakage, when inner chamber air-flow flows outward, not having new source of the gas and supplementing in time, inner chamber air pressure can change rapidly, touches self-closing control gear and closes source of the gas.When there is under-voltage or superpressure, the air pressure of inner chamber also can change rapidly, touches self-closing control gear and closes source of the gas.So this practical Household pipe gas self-closing valve, effectively overcoming existing Household pipe gas self-closing valve needs the larger shortcoming that inflow-rate of water turbine ability is self-closing and under-voltage superpressure reaction sensitivity is low, simplifies programmed sequence of operations simultaneously.
Accompanying drawing explanation
Fig. 1 is the sectional view of the Household pipe gas self-closing valve that the utility model relates to.
Fig. 2 is the sectional view of the Household pipe gas self-closing valve manual-lock state that the utility model relates to.
Fig. 3 is the sectional view of the Household pipe gas self-closing valve opening state that the utility model relates to.
Fig. 4 is the sectional view of Household pipe gas self-closing valve after there is gas leakage or under-voltage lower automatic closedown that the utility model relates to.
Fig. 5 is the sectional view of Household pipe gas self-closing valve under superpressure state after automatic closedown that the utility model relates to.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Fig. 1 is the sectional view of described Household pipe gas self-closing valve 100 of the present utility model.As shown in the figure: described Household pipe gas self-closing valve comprises self-closing valve base 101, valve body cap 102, knob 103 and be installed on valve body self-closing control gear 104 wherein.
Fig. 2 is the sectional view of the utility model Household pipe gas self-closing valve 100 under manual-lock state.As shown in the figure: on described Household pipe gas self closing stop valve rotary switch 103, be designed with protuberance 17, described rotary switch 103 is provided with switch indicating arrow, when rotation rotary switch 103, make indicating arrow point to the position of closing, the protuberance 17 on rotary switch 103 just overlaps with the recess 18 on cap 102, realizes manual-lock gas self-closing valve, no matter now there is any change in the air pressure of self closing stop valve inner chamber 5, and described Household pipe gas self closing stop valve is all in closed condition.
Fig. 3 is the sectional view of the utility model Household pipe gas self-closing valve 100 in opening state.As shown in the figure: by the indicating arrow rotation direction enable possition of described Household pipe gas self closing stop valve rotary switch 103, the protuberance 17 now on rotary switch 103 leaves the recess 18 of housing 102, and rotary switch 103 can freely upwards promote; Because rotary switch 103 is fixedly connected with pull bar by the second screw 16, when promoting rotary switch 103, can move up by shackle rod 15, because rubber seal diaphragm 13 is fixed on pull bar 15 lower end by nut 14, when pull bar 15 moves, transmission rubber seal diaphragm 13 moves simultaneously.Suction due to this interval pull bar 15 pairs of magnet 12 is greater than the suction of fixed plate 10, so band moving magnet 12 leaves fixed plate 10.Because magnet 12 is fixedly connected with sealing axle sleeve 6 by the first screw 11, when magnet 12 moves, interlock sealing axle sleeve 6 and the sealing gasket 8 be arranged in sealing axle sleeve 6 move up, when sealing axle sleeve 6 moves to seal washer 9, just after the air-flow that shutoff enters suction port 2 by source of the gas direction 1 enters endoporus 7, can not directly enter inner chamber 5, but be input to air outlet 3 through endoporus 7, part air-flow is had to enter inner chamber 5 by refluxing opening 4, form certain pressure, hold up rubber seal diaphragm 13, and form steady pressure, realize gas self-closing valve and be in Normal on state.
Fig. 4 is that the utility model Household pipe gas self-closing valve 100 is in the sectional view of automatically closing.As shown in the figure, described Household pipe gas self-closing valve 100 is if there is gas leakage or gaseous-pressure is not enough, not directly enter inner chamber 5 owing to have employed air-flow, but enter inner chamber 5 from air outlet 3 through refluxing opening 4, when there is gas leakage, because inner chamber 5 does not have source of the gas to supplement, so the stable air pressure of inner chamber 5 can decline rapidly, the pressure of air pressure reduces transmission rubber seal diaphragm 13 and pull bar 15 position moves down, the suction of the fixed plate 10 be arranged on self-closing valve base 101 is caused to be greater than the suction of pull bar 15, magnet 12 is made to be returned to fixed plate 10, and transmission sealing shaft sleeve 6 and be arranged on the sealing gasket 8 return shutoff suction port 2 of sealing axle sleeve lower end, realize the function of automatic-closing valve.
Fig. 5 is the sectional view of the utility model Household pipe gas self-closing valve automatic-closing valve under superpressure state.As shown in the figure: described Household pipe gas self-closing valve 100, due to supply gas pressure exceed rated pressure time, gas self-closing valve 100 can automatic closing gas source.When the air pressure of gas self-closing valve 100 inner chamber 5 exceedes rated pressure, rubber seal diaphragm 13 is upwards lifted by air pressure, pull bar 15 is made to depart from magnet 12 under the influence of air pressure, magnet 12 is returned on fixed plate 10, transmission sealing shaft sleeve 6 and be arranged on the sealing gasket 8 return shutoff suction port 2 of axle sleeve 6 lower end, realizes the automatic closer function under superpressure state.
As mentioned above, a kind of novel household pipeline gas self-closing valve described in the utility model only comprises gas self-closing valve body base 101, cap 102, rotary switch 103 and be installed on gas self-closing valve self-closing control gear 104 wherein.It is obvious that described novel household pipeline gas self-closing valve has anti-leak result, the advantage under-voltage, superpressure function of self closing is highly sensitive.Rotary switch 103 directly designs on valve body cap 102 simultaneously, operates simpler.Effectively overcome that existing Household pipe gas self-closing valve anti-leak result is poor, under-voltage, superpressure reaction sensitivity is low and need to increase the shortcoming of manual valve device outside self closing stop valve air outlet.
Claims (3)
1. a novel household pipeline gas self-closing valve, it is characterized in that, described gas self-closing valve (100) comprises the refluxing opening (4) of design in the air outlet (3) of the rotary switch (103) be arranged on valve body cap (102) and the self-closing control gear (104) be arranged in gas self-closing valve (100) and valve base (101).
2. a kind of novel household pipeline gas self-closing valve according to claim 1, it is characterized in that described rotary switch (103) is designed with two corresponding protuberances (17), rotate the indicating arrow direction of rotary switch (103), the protuberance of turn-knob switch (103) (17) is overlapped with recess (18) position of valve body cap (102), self closing stop valve manual-lock can be realized; By recess (18) position of protuberance (17) whiz valve body cap (102) of rotary switch (103), gas self-closing valve then can recover automatic closing function.
3. a kind of novel household pipeline gas self-closing valve according to claim 1, it is characterized in that valve base is designed with endoporus (7), seal washer (9) is placed with in described endoporus (7) top, promote rotary switch (103), closely cooperating transmission sealing shaft sleeve (6) moving to be formed with seal washer (9), the air-flow entering endoporus (7) can be sealed and directly can not enter inner chamber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520479611.9U CN204985899U (en) | 2015-07-07 | 2015-07-07 | Novel household gas self - closing valves door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520479611.9U CN204985899U (en) | 2015-07-07 | 2015-07-07 | Novel household gas self - closing valves door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985899U true CN204985899U (en) | 2016-01-20 |
Family
ID=55120267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520479611.9U Expired - Fee Related CN204985899U (en) | 2015-07-07 | 2015-07-07 | Novel household gas self - closing valves door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883035A (en) * | 2017-12-11 | 2018-04-06 | 四川希尔得科技有限公司 | Gas pipeline self-closing valve |
| CN117781001A (en) * | 2024-02-26 | 2024-03-29 | 西安友谊燃气设备有限公司 | Leakage-proof gas timing self-closing valve |
-
2015
- 2015-07-07 CN CN201520479611.9U patent/CN204985899U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883035A (en) * | 2017-12-11 | 2018-04-06 | 四川希尔得科技有限公司 | Gas pipeline self-closing valve |
| CN117781001A (en) * | 2024-02-26 | 2024-03-29 | 西安友谊燃气设备有限公司 | Leakage-proof gas timing self-closing valve |
| CN117781001B (en) * | 2024-02-26 | 2024-04-30 | 西安友谊燃气设备有限公司 | Leakage-proof gas timing self-closing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |