CN219472898U - Novel ultralow-temperature corrugated pipe stop valve - Google Patents
Novel ultralow-temperature corrugated pipe stop valve Download PDFInfo
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- CN219472898U CN219472898U CN202320793051.9U CN202320793051U CN219472898U CN 219472898 U CN219472898 U CN 219472898U CN 202320793051 U CN202320793051 U CN 202320793051U CN 219472898 U CN219472898 U CN 219472898U
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- valve
- valve clack
- corrugated pipe
- clack
- gland
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to the technical field of stop valves, and particularly provides a novel ultralow-temperature corrugated pipe stop valve which comprises a valve body (1), a valve clack (2), a metal gasket (3), a valve clack pressing block (4), a lip-shaped ring (5), an RPTFE gasket (6), a metal winding pad (7), a valve clack pressing cover (8), a corrugated pipe (9), a connecting disc (10) and a valve rod (11), wherein the upper end of the corrugated pipe is welded and combined with the connecting disc, the lower end of the corrugated pipe is welded and combined with a valve clack pressing block, and the valve clack pressing cover is connected with the valve clack through threads, so that the good characteristics of the corrugated pipe stop valve are reserved, the corrugated pipe can be disassembled and maintained, and the valve rod cannot be damaged.
Description
Technical Field
The utility model relates to a stop valve, in particular to a novel ultralow-temperature corrugated pipe stop valve.
Background
The shut-off valve is a positive-locking valve that applies pressure to the valve flap when the valve is closed to force the sealing surface against leakage. The stop valve is divided into a flange connection type stop valve, a screw thread connection type stop valve and a welding connection type stop valve according to the connection mode.
At present, the existing corrugated pipe stop valve is characterized in that a corrugated pipe is welded on a valve rod and a valve cover, the corrugated pipe stop valve is not detachable and is troublesome to maintain, and for an ultralow-temperature valve, as a medium is easy to leak through a gap between the valve rod and the valve cover, the temperature of a filling part is too low to cause the poor sealing performance, and the corrugated pipe can effectively prevent the phenomenon.
Disclosure of Invention
The utility model aims to provide a novel ultralow-temperature corrugated pipe stop valve, which not only maintains the good characteristics of the corrugated pipe stop valve, but also can realize the disassembly and maintenance of the corrugated pipe without damaging a valve rod.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The novel ultralow-temperature corrugated pipe stop valve comprises a valve body, a valve clack, a metal gasket, a valve clack pressing block, a valve clack pressing cover, a corrugated pipe and a valve rod, wherein the upper end of the corrugated pipe is welded and combined with a connecting disc, the lower end of the corrugated pipe is welded and combined with the valve clack pressing block, and the valve clack pressing cover is connected with the valve clack through threads.
Preferably, the valve rod is connected with the valve clack through a valve clack pressing block and a metal gasket pressing valve clack gland, the valve clack gland is in threaded connection with the valve clack, and after the valve clack pressing valve is screwed, the valve clack pressing valve can be welded at the bottom of the valve clack gland in a spot mode to prevent the valve clack pressing valve from falling off, and the valve clack pressing valve is detachable subsequently.
In any of the above technical solutions, preferably, an RPTFE gasket is placed between the flap gland and the flap press block.
In any of the above technical solutions, preferably, a lip seal is placed between the valve flap and the packing block.
In any of the above technical solutions, it is preferable that the valve body and the valve cover are connected by bolts, and the middle seal is pressed by a connecting disc and a metal winding pad through bolts.
Compared with the prior art, the novel ultralow-temperature corrugated pipe stop valve with the structure has the advantages that the upper end of the corrugated pipe is welded with the connecting disc, the lower end of the corrugated pipe is welded with the pressing block of the valve clack, the valve clack gland is connected with the valve clack through threads, good characteristics of the corrugated pipe stop valve are reserved, disassembly and maintenance of the corrugated pipe can be realized, and damage to a valve rod cannot be caused.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a partial cross-sectional view of a preferred embodiment of a novel ultra-low temperature bellows stop valve according to the present utility model;
FIG. 2 is a front cross-sectional view of a clack gland feature of a preferred embodiment of the novel ultra-low temperature bellows shut-off valve in accordance with the present utility model;
FIG. 3 is a top view of a clack gland feature of a preferred embodiment of the novel ultra-low temperature bellows shut-off valve according to the present utility model;
FIG. 4 is a front cross-sectional view of a hub part of a preferred embodiment of the novel ultra-low temperature bellows stop valve according to the present utility model;
FIG. 5 is a top view of a flange part of a preferred embodiment of the novel ultra-low temperature bellows stop valve according to the present utility model;
FIG. 6 is a front cross-sectional view of a valve flap press block part of a preferred embodiment of the novel ultra-low temperature bellows stop valve according to the present utility model;
FIG. 7 is a top view of a valve flap press block part of a preferred embodiment of the novel ultra-low temperature bellows stop valve according to the present utility model.
Reference numerals: valve body 1, valve clack 2, metal gasket 3, valve clack briquetting 4, lip seal circle 5, RPTFE gasket 6, metal winding pad 7, valve clack gland 8, bellows 9, connection pad 10, valve rod 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The scope of the utility model is not limited by the specific embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Aiming at the problems in the prior art, the embodiment of the utility model provides the novel ultralow-temperature corrugated pipe stop valve, which not only maintains the good characteristics of the corrugated pipe stop valve, but also can realize the disassembly and maintenance of the corrugated pipe without damaging a valve rod.
The structure, technical features and implementation form of the shut-off valve according to the present embodiment are described below with reference to fig. 1 to 7.
The novel ultralow-temperature corrugated pipe stop valve in the embodiment comprises a valve body 1, a valve clack 2, a metal gasket 3, a valve clack pressing block 4, a valve clack pressing cover 8, a corrugated pipe 9 and a valve rod 11, wherein the upper end of the corrugated pipe 9 is welded and combined with a connecting disc 10, the lower end of the corrugated pipe 9 is welded and combined with the valve clack pressing block 4, and the valve clack pressing cover 8 is connected with the valve clack 2 through threads.
In this embodiment, as shown in fig. 1, the valve rod 11 is connected with the valve clack 2 through the valve clack pressing block 4 and the metal gasket 3, the valve clack pressing block 8 is in threaded connection with the valve clack 2, and after tightening, the valve clack pressing block 8 can be spot welded at the bottom of the valve clack pressing block 8 to prevent disengagement, and then the valve clack pressing block is also detachable.
In this embodiment, as shown in fig. 1, an RPTFE gasket 6 is placed between the flap gland 8 and the flap press block 4. The construction of the flap press 4 is shown in fig. 6 to 7. The flap gland 8 is structured as shown in figures 2 to 3.
In this embodiment, as shown in fig. 1, a lip seal 5 is placed between the valve flap 2 and the packing block.
In this embodiment, as shown in fig. 1, the valve body 1 and the valve cover are connected by bolts, and the middle seal is pressed by bolts by adopting a connecting disc 10 and a metal winding pad 7. The construction of the tray 10 is shown in figures 4 to 5.
The embodiment is a novel detachable ultralow temperature corrugated pipe stop valve, as described above, mainly composed of a valve body 1, a valve clack 2, a metal gasket 3, a valve clack pressing block 4, a lip-shaped ring 5, an RPTFE gasket 6, a metal winding pad 7, a valve clack pressing cover 8, a corrugated pipe 9, a connecting disc 10 and a valve rod 11, wherein the upper end of the corrugated pipe is welded and combined with the connecting disc, the lower end of the corrugated pipe is welded and combined with the valve clack pressing block, the valve clack pressing cover is connected with the valve clack through threads, so that the good characteristics of the corrugated pipe stop valve are reserved, the disassembly and maintenance of the corrugated pipe can be realized, and the valve rod cannot be damaged.
In specific implementation, according to the part assembly of fig. 1, a valve body 1, a valve clack 2, a metal gasket 3, a valve clack pressing block 4, a lip-shaped ring 5, an RPTFE gasket 6, a metal winding pad 7, a valve clack pressing cover 8, a corrugated pipe 9, a connecting disc 10 and a valve rod 11 form a novel detachable ultralow-temperature corrugated pipe stop valve, the upper end of the corrugated pipe is welded and combined with the connecting disc, the lower end of the corrugated pipe is welded and combined with the valve clack pressing block, the valve clack pressing cover is connected with the valve clack through a threaded connection, the valve rod is connected with the valve clack through the valve clack pressing block and the gasket pressing cover, the valve clack pressing cover is in threaded connection with the valve clack, and after screwing, the valve clack pressing cover can be spot welded at the bottom of the valve clack pressing cover to prevent the valve clack from falling off, and the valve clack can be detached subsequently.
In specific implementation, as shown in fig. 1, an RPTFE gasket 6 is placed between a valve clack gland and a valve clack pressing block, a lip-shaped sealing ring 5 is placed between a filler pressing block and the valve clack as a first heavy seal for preventing medium leakage to a valve rod, a bolt connection is adopted between a valve cover and a valve body as a second heavy seal for preventing medium leakage to the valve rod, a connecting disc and a metal winding pad 7 are adopted for middle-channel sealing, and medium leakage is prevented by compressing with a bolt pretightening force.
The foregoing description of the preferred embodiments of the utility model is merely illustrative of the utility model and is not intended to limit the scope of the utility model; the foregoing is merely illustrative of the present utility model and is not intended to limit the scope of the present utility model; any modification, equivalent replacement, improvement or the like of the technical scheme of the present utility model by those skilled in the art should fall within the protection scope of the present utility model as defined in the claims without departing from the design spirit of the present utility model.
Claims (5)
1. The utility model provides a novel ultra-low temperature bellows stop valve, includes valve body (1), valve clack (2), metal gasket (3), valve clack briquetting (4), valve clack gland (8), bellows (9) and valve rod (11), its characterized in that: the upper end of the corrugated pipe (9) is welded with the connecting disc (10), the lower end of the corrugated pipe (9) is welded with the valve clack pressing block (4), and the valve clack pressing cover (8) is connected with the valve clack (2) through threads.
2. The novel ultra-low temperature bellows stop valve of claim 1, wherein: valve rod (11) are connected with valve clack (2) through valve clack briquetting (4) and metal gasket (3) pressurization valve clack gland (8), valve clack gland (8) adopt threaded connection with valve clack (2), prevent to deviate from at valve clack gland (8) bottom spot welding after screwing up, follow-up detachable.
3. The novel ultra-low temperature bellows stop valve of claim 2, wherein: an RPTFE gasket (6) is arranged between the valve clack gland (8) and the valve clack pressing block (4).
4. The novel ultra-low temperature bellows stop valve of claim 3, wherein: a lip-shaped sealing ring (5) is arranged between the valve clack (2) and the packing pressing block.
5. The novel ultra-low temperature bellows stop valve of claim 4, wherein: the valve body (1) is connected with the valve cover through bolts, and the middle channel seal is pressed by the connecting disc (10) and the metal winding pad (7) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320793051.9U CN219472898U (en) | 2023-04-12 | 2023-04-12 | Novel ultralow-temperature corrugated pipe stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320793051.9U CN219472898U (en) | 2023-04-12 | 2023-04-12 | Novel ultralow-temperature corrugated pipe stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219472898U true CN219472898U (en) | 2023-08-04 |
Family
ID=87434315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320793051.9U Active CN219472898U (en) | 2023-04-12 | 2023-04-12 | Novel ultralow-temperature corrugated pipe stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219472898U (en) |
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2023
- 2023-04-12 CN CN202320793051.9U patent/CN219472898U/en active Active
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