CN212178022U - Control cut-off valve for low-temperature equipment - Google Patents
Control cut-off valve for low-temperature equipment Download PDFInfo
- Publication number
- CN212178022U CN212178022U CN202020718205.4U CN202020718205U CN212178022U CN 212178022 U CN212178022 U CN 212178022U CN 202020718205 U CN202020718205 U CN 202020718205U CN 212178022 U CN212178022 U CN 212178022U
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- Prior art keywords
- valve
- valve body
- inner cavity
- cavity
- sealing element
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 52
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a control cut-off valve for low temperature equipment, which comprises a valve body and a valve cover, wherein the valve cover is arranged at the upper end of the valve body, and a first sealing element and a second sealing element are arranged in the inner cavity of the valve body; the inner cavity of the valve body is provided with the groove, the valve rod penetrates through the inner cavity of the extrusion piece, the lower end of the valve rod is provided with the valve clack, when the cut-off valve is closed, the lower end of the valve clack is arranged in the inner cavity of the groove, and the extrusion piece is connected with the upper ends of the first sealing piece and the second sealing piece in a sealing mode, so that the whole sealing performance is better; through being provided with rotating device in telescopic upper end, rotating device is provided with the gear, and the tooth looks adaptation of gear and valve rod upper end rotates the hand wheel and can adjusts the valve rod from top to bottom, has promoted the convenience of hand wheel.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a control trip valve for cryogenic equipment.
Background
The cut-off valve is one of the actuating mechanisms in the automatic system, and consists of a multi-spring pneumatic film actuating mechanism or a floating piston actuating mechanism and a regulating valve.
The existing cut-off valve has unstable sealing performance and low convenience of a hand wheel.
To the above problem, the utility model provides a pure water treatment facilities of pharmaceutical factory.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a control trip valve for cryogenic equipment, including valve body and valve gap, the upper end at the valve body is installed to the valve gap, and sealing performance is stable, and the convenience that has promoted the hand wheel is high to the problem in the background art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a control trip valve for cryogenic facilities, includes valve body and valve gap, the upper end at the valve body is installed to the valve gap, the valve body includes entry, export, recess and sealing member, entry and export setting are in the both sides of valve body, the lower extreme at the valve body is seted up to the recess, the sealing member sets up the inner chamber at the valve body, the valve gap includes fixation nut, sleeve and rotating device, the valve gap passes through fixation nut sealing connection with the valve body, sleeve fixed mounting is in the upper end of valve gap, rotating device installs in telescopic upper end.
Preferably, the sealing element comprises a first sealing element and a second sealing element, and the first sealing element and the second sealing element are fixedly welded in the inner cavity of the valve body.
Preferably, the sleeve comprises a valve rod, an extrusion part and a valve clack, the valve rod is arranged in the inner cavity of the sleeve, the valve rod penetrates through the inner cavity of the extrusion part, and the valve clack is fixedly arranged at the lower end of the valve rod.
Preferably, the surface of the valve stem is provided with teeth.
Preferably, the rotating device comprises a cavity, a hand wheel, a movable column, a gear, a bearing and a fixed column, the cavity is mounted at the upper end of the sleeve, the hand wheel is arranged at one side of the cavity and connected with the movable column, the movable column penetrates through the inner cavities of the cavity and the gear, one end of the movable column is mounted in the inner cavity of the bearing, the bearing is fixedly mounted at one side of the fixed column, the fixed column is fixedly mounted at the lower end of the cavity, and the gear is matched with the teeth.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides a control trip valve for cryogenic facilities is provided with first sealing member and second sealing member through the inner chamber at the valve body, and when the trip valve was closed, the valve clack can be interpenetrated between first sealing member and second sealing member, makes the leakproofness of valve body inner chamber better.
2. The utility model provides a control trip valve for cryogenic facilities is provided with the recess through the inner chamber at the valve body, and the valve rod runs through the inner chamber at the extruded article, and the lower extreme of valve rod is provided with the valve clack, and when the trip valve was closed, the inner chamber at the recess was installed to the lower extreme of valve clack, and the extruded article makes the whole leakproofness better with the upper end sealing connection of first sealing member and second sealing member.
3. The utility model provides a control trip valve for cryogenic equipment through being provided with rotating device in telescopic upper end, and rotating device is provided with the gear, and the tooth looks adaptation of gear and valve rod upper end rotates the hand wheel and can adjusts about the valve rod, has promoted the convenience of hand wheel.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall cross-sectional view of the present invention;
FIG. 3 is a schematic view of the valve stem structure of the present invention;
FIG. 4 is a schematic view of the sealing member of the present invention;
fig. 5 is a schematic structural view of the rotating device of the present invention.
In the figure: 1. a valve body; 11. an inlet; 12. an outlet; 13. a groove; 14. a seal member; 141. a first seal member; 142. a second seal member; 2. a valve cover; 21. fixing a nut; 22. a sleeve; 221. a valve stem; 2211. teeth; 222. an extrusion; 223. a valve flap; 23. a rotating device; 231. a cavity; 232. a hand wheel; 233. a movable post; 234. a gear; 235. a bearing; 236. and (5) fixing the column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a control cut-off valve for low temperature equipment comprises a valve body 1 and a valve cover 2, the valve cover 2 is installed at the upper end of the valve body 1, the valve body 1 comprises an inlet 11, an outlet 12, a groove 13 and a sealing element 14, the inlet 11 and the outlet 12 are arranged at two sides of the valve body 1, the groove 13 is arranged at the lower end of the valve body 1, the sealing element 14 is arranged in an inner cavity of the valve body 1, the valve cover 2 comprises a fixing nut 21, a sleeve 22 and a rotating device 23, the valve cover 2 is in sealing connection with the valve body 1 through the fixing nut 21, the sleeve 22 is fixedly installed at the upper end of the valve cover 2, and.
Referring to fig. 2, 3 and 4, the sealing member 14 includes a first sealing member 141 and a second sealing member 142, the first sealing member 141 and the second sealing member 142 are fixedly welded in an inner cavity of the valve body 1, the sleeve 22 includes a valve rod 221, a pressing member 222 and a valve flap 223, the valve rod 221 is disposed in the inner cavity of the sleeve 22, the valve rod 221 penetrates through the inner cavity of the pressing member 222, the valve flap 223 is fixedly mounted at a lower end of the valve rod 221, teeth 2211 are disposed on a surface of the valve rod 221, when the shut valve is closed, the valve flap 233 can be inserted between the first sealing member 141 and the second sealing member 142, so that the sealing performance of the inner cavity of the valve body 1 is better, the lower end of the valve flap 233 is mounted in the inner cavity of the groove 13, and the pressing member 222 is in sealing.
Referring to fig. 5, the rotating device 23 includes a cavity 231, a hand wheel 232, a movable post 233, a gear 234, a bearing 235 and a fixed post 236, the cavity 231 is installed at the upper end of the sleeve 22, the hand wheel 232 is installed at one side of the cavity 231 and connected with the movable post 233, the movable post 233 penetrates through the cavity 231 and the inner cavity of the gear 234, one end of the movable post 233 is installed in the inner cavity of the bearing 235, the bearing 235 is fixedly installed at one side of the fixed post 236, the fixed post 236 is fixedly installed at the lower end of the cavity 231, the gear 234 is matched with the teeth 2211, and the valve rod 221 can be adjusted up and down by rotating the hand wheel 232, so that convenience.
In summary, the following steps: the utility model provides a control trip valve for cryogenic facilities, including valve body 1 and valve gap 2, valve gap 2 installs in the upper end of valve body 1, through be provided with first sealing member 141 and second sealing member 142 in the inner chamber of valve body 1, when the trip valve was closed, valve clack 223 can be interpenetrated between first sealing member 141 and second sealing member 142, made the leakproofness check of valve body 1 inner chamber better; the groove 13 is arranged in the inner cavity of the valve body 1, the valve rod 221 penetrates through the inner cavity of the extrusion piece 222, the valve clack 223 is arranged at the lower end of the valve rod 221, when the cut-off valve is closed, the lower end of the valve clack 223 is arranged in the inner cavity of the groove 13, and the extrusion piece 222 is connected with the upper ends of the first sealing piece 141 and the second sealing piece 142 in a sealing mode, so that the whole sealing performance is better; through being provided with rotating device 23 in the upper end of sleeve 22, rotating device 23 is provided with gear 234, and gear 234 and the tooth 2211 looks adaptation of the upper end of valve rod 221 rotate hand wheel 232 and can adjust valve rod 221 from top to bottom, have promoted the convenience of hand wheel 232.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a control trip valve for cryogenic equipment, includes valve body (1) and valve gap (2), the upper end at valve body (1) is installed in valve gap (2), its characterized in that: the valve body (1) comprises an inlet (11), an outlet (12), a groove (13) and a sealing element (14), wherein the inlet (11) and the outlet (12) are arranged on two sides of the valve body (1), the groove (13) is formed in the lower end of the valve body (1), and the sealing element (14) is arranged in an inner cavity of the valve body (1);
the valve cover (2) comprises a fixing nut (21), a sleeve (22) and a rotating device (23), the valve cover (2) is connected with the valve body (1) in a sealing mode through the fixing nut (21), the sleeve (22) is fixedly installed at the upper end of the valve cover (2), and the rotating device (23) is installed at the upper end of the sleeve (22).
2. A controlled shut-off valve for cryogenic equipment according to claim 1, characterized in that: the sealing element (14) comprises a first sealing element (141) and a second sealing element (142), and the first sealing element (141) and the second sealing element (142) are fixedly welded in an inner cavity of the valve body (1).
3. A controlled shut-off valve for cryogenic equipment according to claim 1, characterized in that: the sleeve (22) comprises a valve rod (221), an extrusion piece (222) and a valve flap (223), the valve rod (221) is arranged in an inner cavity of the sleeve (22), the valve rod (221) penetrates through the inner cavity of the extrusion piece (222), and the valve flap (223) is fixedly installed at the lower end of the valve rod (221).
4. A controlled shut-off valve for cryogenic equipment according to claim 3, characterized in that: the surface of the valve rod (221) is provided with teeth (2211).
5. A controlled shut-off valve for cryogenic equipment according to claim 1, characterized in that: the rotating device (23) comprises a cavity (231), a hand wheel (232), a movable column (233), a gear (234), a bearing (235) and a fixed column (236), the cavity (231) is installed at the upper end of the sleeve (22), the hand wheel (232) is arranged on one side of the cavity (231) and connected with the movable column (233), the movable column (233) penetrates through the inner cavities of the cavity (231) and the gear (234), one end of the movable column (233) is installed in the inner cavity of the bearing (235), the bearing (235) is fixedly installed on one side of the fixed column (236), the fixed column (236) is fixedly installed at the lower end of the cavity (231), and the gear (234) is matched with the teeth (2211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020718205.4U CN212178022U (en) | 2020-05-04 | 2020-05-04 | Control cut-off valve for low-temperature equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020718205.4U CN212178022U (en) | 2020-05-04 | 2020-05-04 | Control cut-off valve for low-temperature equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212178022U true CN212178022U (en) | 2020-12-18 |
Family
ID=73765817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020718205.4U Expired - Fee Related CN212178022U (en) | 2020-05-04 | 2020-05-04 | Control cut-off valve for low-temperature equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212178022U (en) |
-
2020
- 2020-05-04 CN CN202020718205.4U patent/CN212178022U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |