CN202001682U - Automatic closing valve dedicated for pipeline fuel gas - Google Patents
Automatic closing valve dedicated for pipeline fuel gas Download PDFInfo
- Publication number
- CN202001682U CN202001682U CN2011200887464U CN201120088746U CN202001682U CN 202001682 U CN202001682 U CN 202001682U CN 2011200887464 U CN2011200887464 U CN 2011200887464U CN 201120088746 U CN201120088746 U CN 201120088746U CN 202001682 U CN202001682 U CN 202001682U
- Authority
- CN
- China
- Prior art keywords
- fuel gas
- spring
- closing
- pressure
- pressure regulation
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a safety valve which can automatically close in case of incontrollable fuel gas pressure regulation and ultra-flow leakage. The utility model is characterized in that a pressure uncontrollable protective part comprising a pull rod, a pull ring, a steel ball and a spring, or a pull rod, a pull ring and a magnetic sheet is arranged in a casing; a forward closing system comprising a closing mouth, a closing rod, a closing rubber ring, a closing spring and a spring cover sheet is arranged at a gas inlet; when a fuel gas pressure adjustor is uncontrollable of pressure regulation, the fuel gas pressure in the casing rises and pushes a rubber membrane upwards, and when the rubber membrane tension is larger than the connecting force of the pull rod and the spring of the pull ring or the magnetic sheet, the pull rod and the pull ring are separated automatically, the forward closing system is closed, and the automatic closing protection in case of uncontrollable pressure regulation is realized; and in case of fuel gas ultra-flow leakage, the fuel gas pressure in the casing drops sharply, the forward closing system is closed, and the automatic closing protection in case of fuel gas ultra-flow leakage is realized. The safety valve has the advantages of simple structure, excellent technical characteristics, low product cost, facilitation of manufacture, conveniences for management, safety, reliability and durability.
Description
Technical field: the utility model relates to a kind of combustion gas pressure regulation automatic safety device that causes the super flow of combustion gas to be revealed with accidents such as sebific duct come off, breaks out of control that prevents, the utility model patented technology can be applicable to make pipeline gas special safety valve series product.When pipeline gas generation pressure regulation flow out of control, super leaked contingency, device was closed automatically, cut off source of the gas, prevented the generation of gas leakage and fire explosion, ensured and used gas safety.
Background technique: along with the development of society; the extensive use of new energy; combustion gas has become industry and necessary fuel energy in life; use in the gas process the resident; various leakages are almost all arranged everyday; poison; catch fire or the generation of explosive accident; particularly out of control and flexible rubber hose comes off because of the gas pressure regulator, governor pressure regulation; break etc.; the poisoning that causes; catch fire or explosive accident in the majority; it is stable to have had a strong impact on social harmony; the application of the utility model patent in domestic gas can prevent the generation of contingency effectively, reduces property loss; the protection life safety is improved the quality of living.
Summary of the invention: the utility model is a kind ofly can leak the safety protection device that can close automatically to pipeline gas pressure regulation flow out of control and super.
For reaching foregoing invention content the technical solution of the utility model be:
A kind ofly can leak the Special Automatic cut-off valve of pipeline gas that to close automatically to combustion gas pressure regulation flow out of control and super, by upper shell, lower shell body, elastomer diaphragm, platen, enable switch, link, pressure regulation bar, pressure lost-control protection parts, forward shutdown system and P cock constitute, it is characterized in that: install a forward shutdown system at lower shell body suction port end, and cooperate with the pressure regulation bar; Between upper shell and lower shell body, install elastomer diaphragm; Elastomer diaphragm upper end installing platen and link match with upper shell; Installing pressure lost-control protection parts in elastomer diaphragm lower end also match with shutdown system forward by the pressure regulation bar; Install an enable switch in center, upper shell lower end, and match with pressure lost-control protection parts by link.
The technological scheme of model utility also comprises:
The Special Automatic cut-off valve of described pipeline gas is characterized in that forward shutdown system shut up, pole shutoff, closed cushion rubber, closes spring and the spring cover plate constitutes by the pass.
The Special Automatic cut-off valve of described pipeline gas is characterized in that enable switch is made of pull-button, return spring and pull-button sleeve pipe.
The Special Automatic cut-off valve of described pipeline gas is characterized in that pressure lost-control protection parts are made of pull bar, draw ring, steel ball and spring.
The Special Automatic cut-off valve of described pipeline gas is characterized in that link is made of connecting rod and screw.
Advantage of the present utility model: when pipeline gas super flow leakage takes place or during because of pipeline pressure regulation generation superelevation out of control air pressure, the Special Automatic cut-off valve of the utility model pipeline gas can automatic self-closing gas, guarantees that the user uses gas safety.The present invention is simple in structure, and technical performance is good, and product cost is low, simple for production, convenient management, safe and reliable, durable.
Description of drawings: accompanying drawing is the Special Automatic shutoff mechanism schematic representation of pipeline gas.
Embodiment: with reference to accompanying drawing, the Special Automatic cut-off valve of the utility model pipeline gas is by upper shell 1, lower shell body 10, elastomer diaphragm 8, platen 2, enable switch, link, pressure regulation bar 11, pressure lost-control protection parts, forward shutdown system and P cock 9 constitute.Enable switch comprises pull-button 3, return spring 4, pull-button sleeve pipe 5; Pressure lost-control protection parts comprise pull bar 15, draw ring 14, steel ball 12 and spring 13; Forward shutdown system comprises closing and shuts up 17, pole shutoff 16, close cushion rubber 18, close spring 19 and spring cover plate 20 constitutes; Link is made of connecting rod 7 and screw 6.
The Special Automatic cut-off valve of the utility model pipeline gas shutdown system before use is in closed condition, during work, the pull-button of pulling enable switch, the pass unlatching of shutting up, combustion gas enters in the housing, and elastomer diaphragm is under the effect of gaseous-pressure, upwards heave, drive the pole shutoff motion by the pressure regulation bar, close cushion rubber and shut up with the pass and separate its proper functioning; When the pressure regulation of pipeline gas pressure governor is out of control, gaseous-pressure in the housing rises, upwards promote elastomer diaphragm, when elastomer diaphragm tension force was connected power greater than the spring of pull bar and draw ring or magnetic sheet, pull bar separated with draw ring, and the pressure regulation bar falls down, closing under the spring action, close cushion rubber and the pass closure of shutting up, shutdown system is forward closed, and realizes that pressure regulation is out of control to close protection automatically; When the super flow of combustion gas leaks, anxious poly-decline of the gaseous-pressure in the housing, the tension force of pressure spring promotes to fall under the elastomer diaphragm, is closing under the spring action, closes cushion rubber and the pass closure of shutting up, and shutdown system is forward closed, and realizes that the super flow of combustion gas leaks automatic the protection.
Claims (5)
1. an energy leaks the safety valve that can close automatically to combustion gas pressure regulation flow out of control and super, by upper shell, lower shell body, elastomer diaphragm, platen, enable switch, link, pressure regulation bar, pressure lost-control protection parts, forward shutdown system and P cock constitute, it is characterized in that: install a forward shutdown system at lower shell body suction port end, and cooperate with the pressure regulation bar; Between upper shell and lower shell body, install elastomer diaphragm; Elastomer diaphragm upper end installing platen and link match with upper shell; Installing pressure lost-control protection parts in elastomer diaphragm lower end also match with shutdown system forward by the pressure regulation bar; Install an enable switch in center, upper shell lower end, and match with pressure lost-control protection parts by link.
2. the Special Automatic cut-off valve of pipeline gas according to claim 1 is characterized in that forward shutdown system shut up, pole shutoff, closed cushion rubber, closes spring and the spring cover plate constitutes by the pass.
3. the Special Automatic cut-off valve of pipeline gas according to claim 1 is characterized in that enable switch is made of pull-button, return spring and pull-button sleeve pipe.
4. the Special Automatic cut-off valve of pipeline gas according to claim 1 is characterized in that pressure lost-control protection parts are made of pull bar, draw ring, steel ball and spring.
5. the Special Automatic cut-off valve of pipeline gas according to claim 1 is characterized in that link is made of connecting rod and screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200887464U CN202001682U (en) | 2011-03-23 | 2011-03-23 | Automatic closing valve dedicated for pipeline fuel gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200887464U CN202001682U (en) | 2011-03-23 | 2011-03-23 | Automatic closing valve dedicated for pipeline fuel gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001682U true CN202001682U (en) | 2011-10-05 |
Family
ID=44704423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200887464U Expired - Fee Related CN202001682U (en) | 2011-03-23 | 2011-03-23 | Automatic closing valve dedicated for pipeline fuel gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001682U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864148A (en) * | 2015-05-12 | 2015-08-26 | 朱德金 | Home use double-pipe coal gas pressure reducer |
| CN105090579A (en) * | 2015-09-28 | 2015-11-25 | 李仲伦 | Pipeline fuel gas self-closing valve |
-
2011
- 2011-03-23 CN CN2011200887464U patent/CN202001682U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864148A (en) * | 2015-05-12 | 2015-08-26 | 朱德金 | Home use double-pipe coal gas pressure reducer |
| CN105090579A (en) * | 2015-09-28 | 2015-11-25 | 李仲伦 | Pipeline fuel gas 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: 20111005 Termination date: 20180323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |