CN203836308U - Ultralow temperature safety valve with duckbill valve - Google Patents
Ultralow temperature safety valve with duckbill valve Download PDFInfo
- Publication number
- CN203836308U CN203836308U CN201420196364.7U CN201420196364U CN203836308U CN 203836308 U CN203836308 U CN 203836308U CN 201420196364 U CN201420196364 U CN 201420196364U CN 203836308 U CN203836308 U CN 203836308U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- duckbill
- piston
- ultralow temperature
- 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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- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses a ultralow temperature safety valve with a duckbill valve. The ultralow temperature safety valve with the duckbill valve comprises a valve body, wherein a valve hole which runs through the valve body is arranged in the valve body, a seal pad is arranged in the valve hole, an air inlet liquid channel interface is arranged in the valve hole which is arranged on one end of the seal pad, a piston is arranged on the other end of the seal pad, an adjusting screw is arranged in a valve hole which is arranged on an air outlet end of the valve body, a spring is arranged between the piston and the adjusting screw, the duckbill valve which is communicated with the valve hole is arranged on the air outlet end of the valve body, and the lower end of the duckbill valve is sleeved on the valve body. The duckbill valve is matched and arranged on the valve body, thereby preventing garbage and wet air from entering the valve body to block the piston.
Description
Technical field
The utility model relates to a kind of ultralow temperature safety valve with duckbill Valve, and its operating temperature range is-200 DEG C～+ 100 DEG C.
Background technique
The safety valve of the same type of selling is in the market not to be with duckbill Valve.Such safety valve in use easily enters rubbish and malaria, causes stuck piston.
Summary of the invention
Easily enter rubbish and malaria when overcoming the use that existing safety valve exists, cause the problem of stuck piston, the utility model provides a kind of can effectively solve entering of rubbish and humid air, prevents the ultralow temperature safety valve with duckbill Valve of stuck piston.
The technical solution adopted in the utility model is:
A kind of ultralow temperature safety valve with duckbill Valve, comprise valve body, in valve body, be provided with the valve opening that connects valve body, be arranged on the sealing gasket in valve opening, in the valve opening of one end of sealing gasket, be provided with the liquid channel interface of air inlet, the other end is provided with piston, in the valve opening of the outlet side of described valve body, be provided with adjusting screw, between piston and adjusting screw, be provided with spring, it is characterized in that: the outlet side of described valve body is provided with the duckbill Valve being communicated with described valve opening, the lower end of described duckbill Valve is socketed on described valve body.
Further, on described valve body, corresponding piston mounting point is provided with screw hole, in screw hole, be provided with the positioning screwn for preventing piston rotation, the position of the described corresponding positioning screwn of piston side face is provided with bayonet socket, and the end of described positioning screwn is stuck in described bayonet socket.
Further, in described piston and adjusting screw, be respectively arranged with spring positioning table terrace.
Further, described valve body lower portion is provided with drain opening near a side at the liquid channel interface of air inlet position.
The beneficial effects of the utility model are embodied in: supporting installation duckbill Valve on valve body, prevents that rubbish and malaria from entering in valve body and seized piston.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of ultralow temperature safety valve with duckbill Valve of the utility model.
Fig. 2 is the structural representation of a kind of duckbill Valve of the utility model.
Structural representation when Fig. 3 is a kind of duckbill Valve exhaust of the utility model.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of ultralow temperature safety valve with duckbill Valve, comprise valve body 1, in valve body 1, be provided with the valve opening that connects valve body, be arranged on the sealing gasket 2 in valve opening, in the valve opening of one end of sealing gasket 2, be provided with the liquid channel interface 9 of air inlet, the other end is provided with piston 3, in the valve opening of the outlet side of described valve body 1, be provided with adjusting screw 6, between piston 3 and adjusting screw 6, be provided with spring 5, the outlet side of described valve body is provided with the duckbill Valve 7 being communicated with described valve opening, and the lower end of described duckbill Valve 7 is socketed on described valve body 1.
Further, on described valve body 1, corresponding piston mounting point is provided with screw hole, in screw hole, be provided with the positioning screwn 4 for preventing piston rotation, the position of the described corresponding positioning screwn in piston 3 sides is provided with bayonet socket, and the end of described positioning screwn 4 is stuck in described bayonet socket.
Further, in described piston 3 and adjusting screw 6, be respectively arranged with spring positioning table terrace.
Further, described valve body 1 bottom is provided with drain opening 8 near a side at the liquid channel interface of air inlet 9 positions.
Content described in this specification embodiment is only enumerating of way of realization to inventive concept; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also and conceive the equivalent technologies means that can expect according to the utility model in those skilled in the art.
Claims (4)
1. the ultralow temperature safety valve with duckbill Valve, comprise valve body, in valve body, be provided with the valve opening that connects valve body, be arranged on the sealing gasket in valve opening, in the valve opening of one end of sealing gasket, be provided with the liquid channel interface of air inlet, the other end is provided with piston, in the valve opening of the outlet side of described valve body, be provided with adjusting screw, between piston and adjusting screw, be provided with spring, it is characterized in that: the outlet side of described valve body is provided with the duckbill Valve being communicated with described valve opening, the lower end of described duckbill Valve is socketed on described valve body.
2. a kind of ultralow temperature safety valve with duckbill Valve as claimed in claim 1, it is characterized in that: on described valve body, corresponding piston mounting point is provided with screw hole, in screw hole, be provided with the positioning screwn for preventing piston rotation, the position of the described corresponding positioning screwn of piston side face is provided with bayonet socket, and the end of described positioning screwn is stuck in described bayonet socket.
3. a kind of ultralow temperature safety valve with duckbill Valve as claimed in claim 1 or 2, is characterized in that: in described piston and adjusting screw, be respectively arranged with spring positioning table terrace.
4. a kind of ultralow temperature safety valve with duckbill Valve as claimed in claim 3, is characterized in that: described valve body lower portion is provided with drain opening near a side at the liquid channel interface of air inlet position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196364.7U CN203836308U (en) | 2014-04-21 | 2014-04-21 | Ultralow temperature safety valve with duckbill valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196364.7U CN203836308U (en) | 2014-04-21 | 2014-04-21 | Ultralow temperature safety valve with duckbill valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836308U true CN203836308U (en) | 2014-09-17 |
Family
ID=51514150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420196364.7U Expired - Fee Related CN203836308U (en) | 2014-04-21 | 2014-04-21 | Ultralow temperature safety valve with duckbill valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836308U (en) |
-
2014
- 2014-04-21 CN CN201420196364.7U patent/CN203836308U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20210421 |