CN1888497A - Gas antileaking valve - Google Patents
Gas antileaking valve Download PDFInfo
- Publication number
- CN1888497A CN1888497A CN 200610029484 CN200610029484A CN1888497A CN 1888497 A CN1888497 A CN 1888497A CN 200610029484 CN200610029484 CN 200610029484 CN 200610029484 A CN200610029484 A CN 200610029484A CN 1888497 A CN1888497 A CN 1888497A
- Authority
- CN
- China
- Prior art keywords
- gas
- valve
- antileaking
- adjustable lever
- cavity
- 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.)
- Pending
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
A gas leak proof valve includes a gas inlet pipe joint and a valve body connected with the joint. A stepped cavity is formed inside the valve after connecting with the joint and a regulating stem is disposed in the cavity. In the cavity is fixed a support with a gas through-hole. The regulating stem passes through the support and at one end of the regulating stem near the valve body is set a seal disk against the steps in the cavity. On the regulating stem there is a spring, and two ends of the spring act on the support and the seal disk separately.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of gas antileaking valve.
Background technique
The gas valve that is used for gas range of Chu Shouing mostly is stopcock in the market, is that the moving rotation of armrest cock comes the unlatching of control valve or closes.But stopcock is long-term use after, cock and valve body bonded together and influence normal running, when situation is serious even understand can't the turn cock.
As can be seen, cock can't be rotated and will out of handly be acted on.And, when air feed goes wrong, as: superpressure, super flow, its terminal air hose that connects comes off easily, can cause danger because of cutting off source of the gas automatically.
Summary of the invention
The present invention mainly provides and a kind ofly can effectively prevent gas leakage, by the gas valve that the pressure reduction of valve body both sides is opened automatically, closed, solves prior art and exists coal gas to leak easily, uses unsafe technical problem.
It is a kind of simple in structure that the present invention provides simultaneously, long service life can not influence the gas antileaking valve that uses because of the aging of connection fittings, solves the complex structure that exists in the prior art, be subjected to the influence of link easily, occur the technical problem of potential safety hazard after link is aging easily.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of gas antileaking valve, comprise suction tude joint and connected valve body, it is characterized in that, the suction tude joint is connected its inner cavity with step that forms of back with valve body, be provided with an adjustable lever in the cavity vertically, described cavity internal fixation supporting frame, the supporting frame place is provided with ventilating hole, above-mentioned adjustable lever passes supporting frame, it is that tail end is provided with seal disc that adjustable lever is close to valve body one end, seal disc can be resisted against the step place of above-mentioned cavity, is socketed with spring on the adjustable lever, and the two ends of spring act on respectively on supporting frame and the seal disc.
In this gas antileaking valve, supporting frame is used for adjustable lever is fixed in the cavity, owing to have step in the cavity, seal disc just is connected to the step place after stressed moving, and has so just reached the effect of sealing.When the suffered external force of seal disc during less than the elastic force of spring, it can be returned to original position the elastic force by spring.
When the terminal use that this gas antileaking valve is housed normally used coal gas, coal gas can not produce the pressure minus tolerance as can be seen in the case by this device, that is to say that this device is in normally open; For example gas leakage when abnormal condition occurring, the two ends of leakproof valve produce the pressure minus tolerance, and seal disc is connected to the step place under the effect of pressure, and leakproof valve is in closed condition, thereby forms safety protection.This device can be because of the aging formation gas leakage of connecting tube or other connection fittings.
In above-mentioned gas antileaking valve, the front portion of described adjustable lever is provided with spacing preiection.When adjustable lever utilizes the elastic reset of spring,, can cause adjustable lever to break away from supporting frame if elastic force is excessive.Just can prevent that in being provided with the leakproof valve of this spacing preiection above-mentioned situation from taking place, that is to say, when spacing preiection just can not continue to move with adjustable lever after supporting frame contacts.Certainly, the length lengthening with adjustable lever also is feasible.
In above-mentioned gas antileaking valve, the annular groove that the front portion of described adjustable lever is provided with is equipped with jump ring in the annular groove.Jump ring is with after supporting frame contacts, and adjustable lever can not continue to move equally, can prevent also that by such structure adjustable lever from coming off from supporting frame.
In above-mentioned gas antileaking valve, described seal disc is disc.Such shape and structure is simple, make easily, and its sealing effect is fine when seal disc is connected to the step place.
In above-mentioned gas antileaking valve, described seal disc adopts rubber material to make.Rubber material has certain elasticity, and sealing effect is better.
In above-mentioned gas antileaking valve, the joint of described valve body and suction tude joint is provided with seal ring.
Compared with prior art, the present invention has following advantage: 1. simple in structure, easy for installation; 2. pass through the opening and closing of the pressure difference autocontrol valve of valve body both sides, the stability in use height; 3. because this gas antileaking valve is by acting on the pressure difference at seal disc two ends, and utilize the spring force on the adjustable lever to reach opening and closing, so be not subjected to the aging influence of connecting of valve body both sides, Security is higher.
Description of drawings
Fig. 1 is the structural representation of gas antileaking valve provided by the invention when being in open mode;
Fig. 2 is the structural representation of this gas antileaking valve when being in closed condition.
Fig. 3 is the structural representation at supporting frame place in this gas antileaking valve.
Fig. 4 is that this gas antileaking valve is loaded on the structural representation in the gaspipe line.
Among the figure, 1, the suction tude joint; 2, valve body; 3, cavity; 31, step; 4, supporting frame; 41, ventilating hole; 42, pilot hole; 5, adjustable lever; 51, annular groove; 6, seal disc; 7, jump ring; 8, seal ring; 9, spring; 10, reduction valve; 11, gas pipe.
Embodiment
As depicted in figs. 1 and 2, this gas antileaking valve is made up of air input joint 1, valve body 2, adjustable lever 5 and seal disc 6 etc., and it is loaded on abnormal conditions such as being used to prevent gas leakage on the gaspipe line, sees shown in Figure 4.
As shown in Figure 3, cavity 3 internal fixation a supporting frame 4 with ventilating hole 41, also are provided with an adjustable lever 5 vertically in the cavity 3 simultaneously, and adjustable lever 5 passes supporting frame 4, and adjustable lever 5 is that tail end is provided with seal disc 6 near an end of valve body 2.In the present embodiment, have pilot hole 42 on the supporting frame 4, adjustable lever 5 is through in the pilot hole 42 and can slides in pilot hole 42.
As shown in Figure 4, coal gas uses user's terminal to be provided with a reduction valve 10, and the inlet end of this gas antileaking valve is connected to reduction valve 10 places, and the outlet side of gas antileaking valve joins with the gaspipe line 11 that uses the coal gas place.
As shown in Figure 1, when the terminal use that this gas antileaking valve is housed normally used coal gas, the isostasy at leakproof valve two ends also was in normally open, and coal gas can enter coal gas through cavity 3, ventilating hole 41, air input joint 1 and make use.
As shown in Figure 2, in case when abnormal condition occurring, for example gas leakage etc.This leakproof valve two ends will produce pressure difference, are affixed on step 31 places after this moment, seal disc 6 was subjected to this pressure difference effect to overcome spring 9 elastic force, and leakproof valve is in closed condition.Certainly, this moment, coal gas can't pass through leakproof valve, thereby formed safety protection.After the equilibrium of leakproof valve pressure at two ends, the elastic force of spring 9 acts on the seal disc 6 and makes it break away from step 31 places, and whole leakproof valve returns to open mode.
In order to guarantee the stability in use of this gas antileaking valve, be provided with spacing preiection in the front portion of adjustable lever 5, adjustable lever 5 can be stopped for supported 4 by spacing preiection in the ejection process by spring 9 elastic force, makes adjustable lever 5 can not come off from supporting frame 4.In the present embodiment, be provided with annular groove 51, and jump ring 7 be housed, prevent that by such structure adjustable lever 5 from coming off from supporting frame 4 at annular groove 51 in the front portion of adjustable lever 5.
Claims (6)
1, a kind of gas antileaking valve, comprise suction tude joint (1) and connected valve body (2), it is characterized in that, suction tude joint (1) is connected its inner cavity (3) with step (31) that forms of back with valve body (2), be provided with an adjustable lever (5) in the cavity (3) vertically, described cavity (3) internal fixation supporting frame (4), supporting frame (4) locates to be provided with ventilating hole (41), above-mentioned adjustable lever (5) passes supporting frame (4), it is that tail end is provided with seal disc (6) that adjustable lever (5) is close to valve body (2) one ends, seal disc (6) can be resisted against the step (31) of above-mentioned cavity (3) and locate, be socketed with spring (9) on the adjustable lever (5), the two ends of spring (9) act on respectively on supporting frame (4) and the seal disc (6).
2, gas antileaking valve according to claim 1 is characterized in that, the front portion of described adjustable lever (5) is provided with spacing preiection.
3, gas antileaking valve according to claim 1 is characterized in that, the annular groove (51) that the front portion of described adjustable lever (5) is provided with is equipped with jump ring (7) in the annular groove (51).
According to claim 1 or 2 or 3 described gas antileaking valves, it is characterized in that 4, described seal disc (6) is disc.
5, gas antileaking valve according to claim 4 is characterized in that, described seal disc (6) adopts rubber material to make.
6, gas antileaking valve according to claim 1 is characterized in that, described valve body (2) is provided with seal ring (8) with the joint of suction tude joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610029484 CN1888497A (en) | 2006-07-28 | 2006-07-28 | Gas antileaking valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610029484 CN1888497A (en) | 2006-07-28 | 2006-07-28 | Gas antileaking valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1888497A true CN1888497A (en) | 2007-01-03 |
Family
ID=37577784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610029484 Pending CN1888497A (en) | 2006-07-28 | 2006-07-28 | Gas antileaking valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1888497A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886712A (en) * | 2010-07-09 | 2010-11-17 | 宣文昊 | Gas valve capable of automatically opening and closing |
| CN102635744A (en) * | 2006-05-12 | 2012-08-15 | Bfm技术有限公司 | Cuffed connection system for ducts and tubular members |
| CN107747654A (en) * | 2017-10-31 | 2018-03-02 | 贵港市瑞成科技有限公司 | A kind of gas range gas-tpe fitting |
-
2006
- 2006-07-28 CN CN 200610029484 patent/CN1888497A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635744A (en) * | 2006-05-12 | 2012-08-15 | Bfm技术有限公司 | Cuffed connection system for ducts and tubular members |
| CN102635744B (en) * | 2006-05-12 | 2016-01-06 | Bfm技术有限公司 | Pipe and rigid tubular sleeve pipe |
| CN101886712A (en) * | 2010-07-09 | 2010-11-17 | 宣文昊 | Gas valve capable of automatically opening and closing |
| CN101886712B (en) * | 2010-07-09 | 2013-04-17 | 宣沛言 | Gas valve capable of automatically opening and closing |
| CN107747654A (en) * | 2017-10-31 | 2018-03-02 | 贵港市瑞成科技有限公司 | A kind of gas range gas-tpe fitting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20180040010A (en) | Safe valve for high pressure regulator | |
| US7913715B2 (en) | Relief valve including a check valve in a damping chamber | |
| US20150276065A1 (en) | Cage valve | |
| CN1888497A (en) | Gas antileaking valve | |
| CN200946709Y (en) | Leakage-proof valve for coal gas | |
| CN201851683U (en) | Bidirectional flow pneumatic angle place valve | |
| CN203686277U (en) | Safety relief valve | |
| CN101078447A (en) | Differential pressure self-closing valve | |
| CN204878815U (en) | Ultra -low temperature ball valve | |
| CN2498423Y (en) | Security valve against leakage of gas pipeline | |
| CN105972310A (en) | Belleville spring loaded automatic compensation double-ball valve | |
| CN202349319U (en) | Fuel gas safety valve | |
| WO2011047224A1 (en) | High flow service valve | |
| CN211780219U (en) | Valve linkage control system on high-pressure medium conveying line | |
| CN211924901U (en) | Self-sealing stop valve | |
| CN212004365U (en) | Small-caliber upper-mounted low-temperature floating ball valve | |
| CN107166058A (en) | A kind of three hole air bleeding valves | |
| CN108953621B (en) | Instrument stop valve | |
| CN116557597A (en) | Pressure release ventilation assembly for combined positive and negative pressure installation | |
| CN103511696B (en) | A kind of excess flow valve that can realize automatically reseting with zero leakage | |
| CN208268489U (en) | A kind of bidirectional non-return valve | |
| CN105757297A (en) | Multifunctional self-operated check valve | |
| CN111237644A (en) | Valve linkage control system on high-pressure medium conveying line | |
| CN216200932U (en) | Pressure-limiting flow-limiting valve | |
| CN212360826U (en) | Stop valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20070103 |