CN203670939U - Fuel gas safety blow off valve device - Google Patents
Fuel gas safety blow off valve device Download PDFInfo
- Publication number
- CN203670939U CN203670939U CN201320862427.3U CN201320862427U CN203670939U CN 203670939 U CN203670939 U CN 203670939U CN 201320862427 U CN201320862427 U CN 201320862427U CN 203670939 U CN203670939 U CN 203670939U
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- CN
- China
- Prior art keywords
- valve body
- valve
- hollow
- pull bar
- water seal
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- 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 relates to a safety device, in particular to a fuel gas safety blow off valve device which comprises a valve body. A pressure relief opening and a gas pressure opening communicated with a fuel gas pipeline are formed in the valve body, a valve seat is arranged in the valve body and on the gas pressure opening, a hanging bucket is buckled on the valve seat, a pull rod is arranged on the hanging bucket, a water inlet and a water outlet are formed in the valve body, a water seal cavity is formed between the valve seat and the inner wall of the valve body, the pull rod stretches out of the top of the valve body, and meanwhile a water seal mechanism is arranged around the top of the valve body and the stretching portion of the pull rod. The fuel gas safety blow off valve device is simple in structure and reliable in work, blow off pressure can be adjusted according to needs, the use range is widened, the fuel gas safety blow off valve device is convenient to operate and use, and therefore the device is quite suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of safety installations, particularly relates to a kind of gas safe diffusion control valve unit.
Background technique
Many employing middle high-pressure gas transmission modes in gas transmission and distribution system, then by pressure governor, mesohigh combustion gas furnishing low-pressure fuel gas is delivered to user.In order to ensure that user uses gas safety, need to be in gas transmission and distribution system in, mounting safety valve on low pressure line so that in, the pressure release while exceeding setting value of the gaseous-pressure of low pressure line, thereby what ensure that user uses is the safety low-pressure combustion gas below setting value.Existing safety valve structure comprises valve body, valve seat, epithelium, spring and valve gap, the air pressure mouth that wherein there is pressure relief opening on valve body and communicate with fuel gas pipeline, valve seat is fixed on valve body central authorities, but the pressure-acting of the spring of such safety valve is too concentrated, when needing pressure release, the sealing that cannot back down between valve seat and epithelium contacts, and works unreliable, and adjusts the ability of diffusing pressure while also not having according to different Demand.
Summary of the invention
The technical problems to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art exactly, and provides a kind of simple in structure, reliable operation, and can adjust as required the gas safe diffusion control valve unit that diffuses pressure.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of gas safe diffusion control valve unit, comprise valve body, the air pressure mouth that valve body is provided with pressure relief opening and communicates with fuel gas pipeline, valve body is interior, air pressure mouth is provided with valve seat, on valve seat, fastens and has well-bucket, and well-bucket is provided with pull bar, valve body is provided with water intake and water outlet, between valve seat and valve interior wall, form water seal cavity, described pull bar stretches out from valve body top, is provided with water seal mechanism around valve body top, pull bar extension simultaneously.
Water seal mechanism comprises from inside to outside downward opening the first hollow staving and the second hollow staving of suit successively, and the 3rd hollow staving of upper and lower opening, wherein the first hollow staving is sleeved on pull bar extension outer surface, the bottom of first and third hollow staving is fixed on valve body top, pull bar extension stretches out from first and second hollow staving top successively, and be fixedly connected with the second hollow staving top, on the 3rd hollow staving, be provided with water intake and water outlet, between the 3rd hollow inner wall of barrel and the second hollow bucket outer wall, form water seal cavity.
Also comprise automatic control mechanism, this automatic control mechanism contains electromagnetism autocontrol valve.
The beneficial effect of technical solutions of the utility model is:
1, structurally, the utility model gas safe diffusion control valve unit adopts hanging bucket type structure, is provided with pull bar on well-bucket, in needs pressure release, by quick pull-up pull bar, thereby realizes the function of emission coal gas, simple in structure; By be provided with water seal cavity in valve body, valve body is provided with water intake and water outlet, and at valve body top, pull bar extension surrounding is provided with water seal mechanism, reliable operation.
2, structurally, water seal described in the utility model mechanism comprises first, second and third hollow staving, first and third hollow staving is fixed on valve body top, the second valve body top is fixedly connected with pull bar extension, on the 3rd hollow staving, be provided with water intake and water outlet, between wall and the second hollow staving, be provided with water seal cavity therein, simple in structure, reasonable in design, reliable operation; Also comprise automatic control mechanism, this automatic control mechanism contains electromagnetism autocontrol valve, can realize in needs pressure release by autocontrol valve, fast automatic by pull bar pull-up, easy for operation.
3, to sum up, the utility model gas safe diffusion valve structure is simple, reliable operation, and can adjust as required and diffuse pressure, expand using scope, and easy for operation, therefore, be very suitable for promotion and implementation.
Brief description of the drawings
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is the structural representation of the utility model gas safe diffusion control valve unit;
Fig. 2 is the plan structure schematic diagram of gas safe diffusion control valve unit shown in Fig. 1;
Sequence number in figure: 1, valve body, 2, pressure relief opening, 3, air pressure mouth, 4, valve seat, 5, well-bucket, 6, pull bar, 7, water intake, 8, water outlet, 9, water seal cavity, 10, the first hollow staving, 11, the second hollow staving, 12, the 3rd hollow staving, 13, water intake, 14, water outlet, 15, water seal cavity.
embodiment
Embodiment one:
Referring to Fig. 1, Fig. 2, in figure, the utility model gas safe diffusion control valve unit, comprises valve body 1, the air pressure mouth 3 that valve body is provided with pressure relief opening 2 and communicates with fuel gas pipeline, valve body is interior, air pressure mouth is provided with valve seat 4, on valve seat, fastens and has well-bucket 5, and well-bucket is provided with pull bar 6, valve body is provided with water intake 7 and water outlet 8, between valve seat and valve interior wall, form water seal cavity 9, described pull bar stretches out from valve body top, is provided with water seal mechanism around valve body top, pull bar extension simultaneously.
Water seal mechanism comprises from inside to outside downward opening the first hollow staving 10 and the second hollow staving 11 of suit successively, and the 3rd hollow staving 12 of upper and lower opening, wherein the first hollow staving is sleeved on pull bar extension outer surface, the bottom of first and third hollow staving is fixed on valve body top, pull bar extension stretches out from first and second hollow staving top successively, and be fixedly connected with the second hollow staving top, on the 3rd hollow staving, be provided with water intake 13 and water outlet 14, between the 3rd hollow inner wall of barrel and the second hollow bucket outer wall, form water seal cavity 15.
Also comprise automatic control mechanism, this automatic control mechanism contains electromagnetism autocontrol valve (not shown).
The foregoing is only the schematic embodiment of the utility model; not in order to limit scope of the present utility model; any those skilled in the art is not departing from equivalent variations and the amendment under the prerequisite of the utility model design and principle, made, all should belong to the scope of the utility model protection.
Claims (3)
1. a gas safe diffusion control valve unit, comprise valve body, the air pressure mouth that valve body is provided with pressure relief opening and communicates with fuel gas pipeline, valve body is interior, air pressure mouth is provided with valve seat, it is characterized in that: on valve seat, fasten and have well-bucket, well-bucket is provided with pull bar, valve body is provided with water intake and water outlet, between valve seat and valve interior wall, form water seal cavity, described pull bar stretches out from valve body top, is provided with water seal mechanism around valve body top, pull bar extension simultaneously.
2. gas safe diffusion control valve unit according to claim 1, it is characterized in that: water seal mechanism comprises from inside to outside downward opening the first hollow staving and the second hollow staving of suit successively, and the 3rd hollow staving of upper and lower opening, wherein the first hollow staving is sleeved on pull bar extension outer surface, first, the bottom of three hollow stavings is fixed on valve body top, pull bar extension is successively from first, stretch out at two hollow staving tops, and be fixedly connected with the second hollow staving top, on the 3rd hollow staving, be provided with water intake and water outlet, between the 3rd hollow inner wall of barrel and the second hollow bucket outer wall, form water seal cavity.
3. gas safe diffusion control valve unit according to claim 1, is characterized in that: also comprise automatic control mechanism, this automatic control mechanism contains electromagnetism autocontrol valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862427.3U CN203670939U (en) | 2013-12-25 | 2013-12-25 | Fuel gas safety blow off valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862427.3U CN203670939U (en) | 2013-12-25 | 2013-12-25 | Fuel gas safety blow off valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670939U true CN203670939U (en) | 2014-06-25 |
Family
ID=50967236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320862427.3U Expired - Fee Related CN203670939U (en) | 2013-12-25 | 2013-12-25 | Fuel gas safety blow off valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670939U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122561A (en) * | 2016-08-26 | 2016-11-16 | 大连惠川环保科技有限公司 | A kind of automatization wet type moushroom valve |
| USD804653S1 (en) | 2015-06-12 | 2017-12-05 | Emd Millipore Corporation | Pressure vessel |
| CN108071817A (en) * | 2018-01-19 | 2018-05-25 | 宁波锦宇电器有限公司 | A kind of five-way valve |
| US10088398B2 (en) | 2015-02-11 | 2018-10-02 | Emd Millipore Corporation | Stirred cell and method of using same |
-
2013
- 2013-12-25 CN CN201320862427.3U patent/CN203670939U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10088398B2 (en) | 2015-02-11 | 2018-10-02 | Emd Millipore Corporation | Stirred cell and method of using same |
| US10656060B2 (en) | 2015-02-11 | 2020-05-19 | Emd Millipore Corporation | Stirred cell and method of using same |
| USD804653S1 (en) | 2015-06-12 | 2017-12-05 | Emd Millipore Corporation | Pressure vessel |
| CN106122561A (en) * | 2016-08-26 | 2016-11-16 | 大连惠川环保科技有限公司 | A kind of automatization wet type moushroom valve |
| CN108071817A (en) * | 2018-01-19 | 2018-05-25 | 宁波锦宇电器有限公司 | A kind of five-way valve |
| CN108071817B (en) * | 2018-01-19 | 2024-02-27 | 宁波锦宇电器有限公司 | Five-way 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20201225 |