CN203717947U - Ammonia double valve clack stop valve - Google Patents
Ammonia double valve clack stop valve Download PDFInfo
- Publication number
- CN203717947U CN203717947U CN201420023079.5U CN201420023079U CN203717947U CN 203717947 U CN203717947 U CN 203717947U CN 201420023079 U CN201420023079 U CN 201420023079U CN 203717947 U CN203717947 U CN 203717947U
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- CN
- China
- Prior art keywords
- valve
- clack
- rod
- valve rod
- valve clack
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- Expired - Fee Related
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Abstract
The utility model relates to an ammonia double valve clack stop valve which comprises a valve body, a valve cover arranged on the valve body, a valve rod arranged in the valve body and a hand wheel connected with one end of the valve rod. The other end of the valve rod is connected with a valve clack, the valve clack comprises a main valve clack and an auxiliary valve clack matched with the main valve clack, a sliding cavity is coaxially arranged in the main valve clack, the auxiliary valve clack is provided with a cylindrical cavity, the valve rod is provided with an annular groove and a valve clack press cover, one end of the valve rod extends into the sliding cavity and the cylindrical cavity, and the annular groove is respectively connected with the main valve clack and the auxiliary valve clack through a rolling bearing and a clamp spring. The ammonia double valve clack stop valve is simple and reasonable in structure, the valve rod is directly connected with the double valve clacks, the valve performs feeding high and performs discharging low, the sealing performance is good, the valve is opened and closed more conveniently in a labor-saving mode, the valve rod is easy and flexible to operate, the service life of the stop valve is prolonged, and the stop valve is extremely high in social value and market promotion value.
Description
Technical field
The utility model relates to a kind of ammonia stop valve, particularly a kind of ammonia Double-clack stop valve.
Background technique
Existing heavy caliber ammonia is all low in and high out with stop valve, when leakage test, to just can fasten by very large strength, because the flap of valve and inlet pressure surface of contact are large, so very bad sealing, easily, leak, and general heavy caliber ammonia designs in overhead higher place in ammonia system pipeline with stop valve, for the unlatching of valve, close and bring very large technical difficulty.
Summary of the invention
For overcoming deficiency of the prior art, the utility model provides a kind of simple and compact structure, high in and low out, good seal performance and valve switch convenient and strength-saving ammonia Double-clack stop valve.
According to design proposal provided by the utility model, a kind of ammonia Double-clack stop valve, comprise valve body, be located at the valve gap on valve body, the handwheel that is arranged on the valve rod in valve body and is connected with one end of valve rod, the other end of described valve rod is connected with flap through the through hole of valve gap, the secondary flap that described flap comprises main valve clack and matches with main valve clack, in described main valve clack, be coaxially provided with slippage chamber, described secondary flap is provided with cylindrical cavity, described valve rod is provided with first ring connected in star, the second annular groove and flap gland, one end of valve rod extends in slippage chamber and cylindrical cavity, described first ring connected in star is connected with main valve clack with jump ring by rolling bearing, described the second annular groove is connected with secondary flap with jump ring by rolling bearing.
According to above-mentioned ammonia Double-clack stop valve, the bottom in the slippage chamber of described main valve clack is provided with projection, and the bottom of described secondary flap is provided with the groove matching with projection.
According to above-mentioned ammonia Double-clack stop valve, in described valve body, be provided with horizontal valve seat, described horizontal valve seat is divided into the inner chamber of described valve body admission chamber and goes out sap cavity, and described horizontal valve seat is provided with projection, and described main valve clack bottom surface is provided with the groove matching with projection.
According to above-mentioned ammonia Double-clack stop valve, between the corresponding junction surface of described valve gap and valve body, be provided with elastomer seal.
Preferably, sealing gasket or the seal ring of described elastomer seal for adopting polytetrafluoroethylmaterial material to make.
Ammonia Double-clack stop valve according to above-mentioned, is provided with filler in the through hole of described valve gap, on described valve rod, is socketed with Gland.
The beneficial effect of Double-clack stop valve for the utility model ammonia:
The utility model ammonia is simple and reasonable with Double-clack stop valve, valve rod directly connects Double-clack, first balance admission chamber and the pressure that goes out sap cavity during unlatching, when opening or closing, easily look for pressure balance point and sealing gasket, valve switch is convenient and strength-saving, and valve is high enters lower, valve rod operates more easy and flexible, and good seal performance, has extended working life simultaneously, there is very high social value and market popularization value.
accompanying drawing explanation:
Fig. 1 is the structural representation of Double-clack stop valve for the utility model ammonia;
Fig. 2 is the stem structure schematic diagram shown in the utility model Fig. 1;
Fig. 3 is the valve rod shown in the utility model Fig. 1 and flap linkage structure schematic diagram.
embodiment:
Number in the figure 1 represents valve rod, and label 2 represents main valve clack, and label 3 represents secondary flap, label 4 represents rolling bearing, and label 5 represents jump ring, and label 6 represents valve gap, label 7 represents valve body, and label 8 represents admission chamber, and label 9 represents out sap cavity, label 10 represents handwheel, and label 11 represents main valve clack groove, and label 12 represents Gland, label 13 represents filler, label 1-1 represents first ring connected in star, and label 1-2 represents the second annular groove, and label 1-3 represents flap gland.
Below in conjunction with accompanying drawing and technological scheme, the utility model is described in further detail.
Embodiment one, shown in Fig. 1 ~ 3, a kind of ammonia Double-clack stop valve, comprise valve body 7, be located at the valve gap 6 on valve body 7, the handwheel 10 that is arranged on the valve rod 1 in valve body 7 and is connected with one end of valve rod 1, the other end of described valve rod 1 is connected with flap through the through hole of valve gap 6, the secondary flap 3 that described flap comprises main valve clack 2 and matches with main valve clack 2, the interior slippage chamber that is coaxially provided with of described main valve clack 2, described secondary flap 3 is provided with cylindrical cavity, described valve rod 1 is provided with first ring connected in star 1-1, the second annular groove 1-2 and flap gland 1-3, one end of valve rod 1 extends in slippage chamber and cylindrical cavity, described first ring connected in star 1-1 is connected with main valve clack 2 with jump ring 5 by rolling bearing 4, described the second annular groove 1-2 is connected with secondary flap 3 with jump ring 5 by rolling bearing 4.
The bottom in the slippage chamber of described main valve clack 2 is provided with projection, and the bottom of described secondary flap 3 is provided with the groove matching with projection.
In described valve body 7, be provided with horizontal valve seat, described horizontal valve seat is divided into the inner chamber of described valve body 7 admission chamber 8 and goes out sap cavity 9, and described horizontal valve seat is provided with projection, and described main valve clack 2 bottom surfaces are provided with the groove 11 matching with projection.
Between the corresponding junction surface of described valve gap 6 and valve body 7, be provided with elastomer seal.
Sealing gasket or the seal ring of described elastomer seal for adopting polytetrafluoroethylmaterial material to make.
In the through hole of described valve gap 6, be provided with filler 13, on described valve rod 1, be socketed with Gland 12.
The utility model is simple and reasonable, valve rod directly connects Double-clack, first balance admission chamber and the pressure that goes out sap cavity during unlatching, when opening or closing, easily look for pressure balance point and sealing gasket, valve switch is convenient and strength-saving, and valve is high enters lower, valve rod operates more easy and flexible, and good seal performance, has extended working life simultaneously, there is very high social value and market popularization value.
The utility model is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple variation accordingly, but any and the utility model are equal to or similarly change and all should be encompassed in the scope of the utility model claim.
Claims (6)
1. an ammonia Double-clack stop valve, comprise valve body, be located at the valve gap on valve body, the handwheel that is arranged on the valve rod in valve body and is connected with one end of valve rod, the other end of described valve rod is connected with flap through the through hole of valve gap, it is characterized in that: the secondary flap that described flap comprises main valve clack and matches with main valve clack, in described main valve clack, be coaxially provided with slippage chamber, described secondary flap is provided with cylindrical cavity, described valve rod is provided with first ring connected in star, the second annular groove and flap gland, one end of valve rod extends in slippage chamber and cylindrical cavity, described first ring connected in star is connected with main valve clack with jump ring by rolling bearing, described the second annular groove is connected with secondary flap with jump ring by rolling bearing.
2. ammonia Double-clack stop valve according to claim 1, is characterized in that: the bottom in the slippage chamber of described main valve clack is provided with projection, and the bottom of described secondary flap is provided with the groove matching with projection.
3. ammonia Double-clack stop valve according to claim 1, it is characterized in that: in described valve body, be provided with horizontal valve seat, described horizontal valve seat is divided into the inner chamber of described valve body admission chamber and goes out sap cavity, described horizontal valve seat is provided with projection, and described main valve clack bottom surface is provided with the groove matching with projection.
4. ammonia Double-clack stop valve according to claim 1, is characterized in that: between the corresponding junction surface of described valve gap and valve body, be provided with elastomer seal.
5. ammonia Double-clack stop valve according to claim 4, is characterized in that: sealing gasket or the seal ring of described elastomer seal for adopting polytetrafluoroethylmaterial material to make.
6. ammonia Double-clack stop valve according to claim 1, is characterized in that: in the through hole of described valve gap, be provided with filler, on described valve rod, be socketed with Gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023079.5U CN203717947U (en) | 2014-01-15 | 2014-01-15 | Ammonia double valve clack stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023079.5U CN203717947U (en) | 2014-01-15 | 2014-01-15 | Ammonia double valve clack stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717947U true CN203717947U (en) | 2014-07-16 |
Family
ID=51157099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420023079.5U Expired - Fee Related CN203717947U (en) | 2014-01-15 | 2014-01-15 | Ammonia double valve clack stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843974A (en) * | 2018-07-12 | 2018-11-20 | 成都深冷科技有限公司 | A kind of the follow-up type apparatus for making gas ordorous and its stink adding method of no energy consumption |
-
2014
- 2014-01-15 CN CN201420023079.5U patent/CN203717947U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843974A (en) * | 2018-07-12 | 2018-11-20 | 成都深冷科技有限公司 | A kind of the follow-up type apparatus for making gas ordorous and its stink adding method of no energy consumption |
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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: 20140716 Termination date: 20150115 |
|
| EXPY | Termination of patent right or utility model |