CN211203194U - Pressure valve for pressure container - Google Patents
Pressure valve for pressure container Download PDFInfo
- Publication number
- CN211203194U CN211203194U CN201921717284.0U CN201921717284U CN211203194U CN 211203194 U CN211203194 U CN 211203194U CN 201921717284 U CN201921717284 U CN 201921717284U CN 211203194 U CN211203194 U CN 211203194U
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- CN
- China
- Prior art keywords
- butt joint
- wall
- ring
- pressure
- sealing
- 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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- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a pressure vessel is with pressure valve, including the pressure valve, still include first butt joint and butt joint main part, the butt joint main part includes second butt joint, sealed main part and third butt joint, third butt joint screw thread is installed in the one end of second butt joint, sealed main part is sealed to be supported at the inner wall of second butt joint and third butt joint, the second butt joint includes first shelve, first pressure-reducing hole and first six arris rings, the rear end fixed connection of first six arris rings is at the front end of first shelve, first shelve and first six arris rings structure as an organic whole, the anterior outer wall at first shelve is seted up in first pressure-reducing hole fretwork, sealed main part includes first sealing ring, connecting cylinder and sealing ring, the outer wall fixed seal of first sealing ring supports the anterior inner wall at first shelve. The utility model discloses can increase sealing strength, better satisfying the use needs.
Description
Technical Field
The utility model relates to a pressure valve equipment technical field specifically is a pressure valve for pressure vessel.
Background
When a common pressure valve is butted with a target pipeline, a common sealing butt joint mode is adopted for assembling, however, the mode is suddenly reduced after the internal air pressure of the pipeline is enhanced, the residual high air pressure is generated in the gap of the sealing ring, the outward pressure difference of the internal air pressure to the sealing ring is reduced, the gas in the gap is uniform towards two sides, and the problem of trace leakage is caused due to the fact that the uniform time is prolonged because of lack of pressure relief conditions, so that a device capable of further relieving the problems is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure valve for pressure vessel to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pressure valve for a pressure vessel, comprising a pressure valve; the butt joint body comprises a second butt joint, a sealing body and a third butt joint, the third butt joint is installed at one end of the second butt joint in a threaded mode, and the sealing body is supported on the inner walls of the second butt joint and the third butt joint in a sealing mode; the second butt joint comprises a first shell frame, a first pressure reducing hole and a first hexagonal ring, the rear end of the first hexagonal ring is fixedly connected to the front end of the first shell frame, the first shell frame and the first hexagonal ring are of an integrated structure, the first pressure reducing hole is hollowed out in the front outer wall of the first shell frame, the sealing main body comprises a first sealing ring, a connecting cylinder and a sealing ring, the outer wall of the first sealing ring is fixedly and hermetically supported on the front inner wall of the first shell frame, the third butt joint comprises a second hexagonal ring, a second pressure reducing hole, a threaded cylinder and a second shell frame, the front wall of the second hexagonal ring is fixedly connected to the rear wall of the second shell frame, the front wall of the threaded cylinder is fixedly connected to the rear wall of the second hexagonal ring, the second pressure reducing hole is uniformly hollowed out in the front outer wall of the threaded cylinder, and the second hexagonal ring, the threaded cylinder and the second shell frame are of an integrated structure, the thread of the thread cylinder is arranged on the inner wall of the first hexagonal ring, and the outer wall of the second hexagonal ring is supported on the inner wall of the thread cylinder in a sealing mode.
Preferably, the second pair of joints further comprises a threaded opening, the threaded opening is hollowed at the front end of the first hexagonal ring, and the first hexagonal ring is installed on the outer wall of the threaded cylinder through threaded opening threads.
Preferably, the second pair of joints further comprises a clamping groove, and the inner wall of the clamping groove is supported on the outer wall of the first sealing ring in a sealing mode.
Preferably, the sealing main body further comprises a first supporting ring, and the first supporting ring is fixedly clamped on the inner wall of the first sealing ring.
Preferably, the third butt joint further comprises a second support ring, the front outer wall of the second support ring is fixedly connected to the inner wall of the second shell frame, the second shell frame and the second support ring are of an integral structure, and the outer wall of the rear end of the second support ring is supported on the inner wall of the sealing ring in a sliding and sealing manner.
Preferably, the internal structure of the first pair of joints is symmetrical and the same as the internal structure of the second pair of joints, and the first pair of joints and the second pair of joints are fixedly connected to two ends of the pressure valve.
Compared with the prior art, the beneficial effects of the utility model are as follows:
when the pressure valve is used, the pressure valve is butted with a gas pipe of a target container through a third butt joint, the air pressure in the target pressure container acts on the inner walls of the first sealing ring and the sealing ring, meanwhile, the first pressure reducing hole and the second pressure reducing hole are used for communicating the sealing ring with the outer wall of the first sealing ring and the space outside, the pressure of the outer wall of the first sealing ring and the outer wall of the sealing ring is always equal to the outside air pressure, the purpose of minimizing the pressure of the outer wall of the first sealing ring and the outer wall of the sealing ring is achieved, the outward pressure difference generated between the first sealing ring and the sealing ring after the air pressure of the pressure container acts on the inner walls of the first sealing ring and the sealing ring through a pipeline is.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
fig. 2 is a schematic view of the split structure of the docking main body of the present invention;
fig. 3 is a schematic view of a second butt joint splitting structure of the present invention;
fig. 4 is a schematic view of the seal body cutting structure of the present invention;
fig. 5 is a schematic view of a third butt joint cutting structure according to the present invention.
In the figure: 1. a first pair of joints; 2. butting the main bodies; 3. a pressure valve; 4. a second pair of connectors; 5. a sealing body; 6. a third butt joint; 7. a first housing; 8. a first pressure relief vent; 9. a first hexagonal ring; 10. a threaded opening; 11. a card slot; 12. a first seal ring; 13. a first support ring; 14. a connecting cylinder; 15. a seal ring; 16. a second hexagonal ring; 17. a second pressure relief vent; 18. a threaded barrel; 19. a second housing; 20. a second support ring.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a pressure valve for a pressure vessel, comprising a pressure valve 3; the butt joint device comprises a first butt joint 1 and a butt joint main body 2, wherein the butt joint main body 2 comprises a second butt joint 4, a sealing main body 5 and a third butt joint 6, the third butt joint 6 is installed at one end of the second butt joint 4 in a threaded mode, and the sealing main body 5 is supported on the inner walls of the second butt joint 4 and the third butt joint 6 in a sealing mode; the second butt joint 4 comprises a first shell frame 7, a first pressure reducing hole 8 and a first hexagonal ring 9, the rear end of the first hexagonal ring 9 is fixedly connected to the front end of the first shell frame 7, the first shell frame 7 and the first hexagonal ring 9 are of an integrated structure, the first pressure reducing hole 8 is hollowed out on the outer wall of the front portion of the first shell frame 7, the sealing main body 5 comprises a first sealing ring 12, a connecting cylinder 14 and a sealing ring 15, the outer wall of the first sealing ring 12 is fixedly and hermetically supported on the inner wall of the front portion of the first shell frame 7, the third butt joint 6 comprises a second hexagonal ring 16, a second pressure reducing hole 17, a threaded cylinder 18 and a second shell frame 19, the front wall of the second hexagonal ring 16 is fixedly connected to the rear wall of the second shell frame 19, the front wall of the threaded cylinder 18 is fixedly connected to the rear wall of the second hexagonal ring 16, the second pressure reducing hole 17 is uniformly hollowed out on the outer wall of the front portion of the threaded cylinder 18, the second hexagonal ring 16, the threaded cylinder 18 and the second shell frame 19 are of an integrated structure, the threaded cylinder 18 is installed on the inner wall of the first hexagonal ring 9 in a threaded manner, the outer wall of the second hexagonal ring 16 is supported on the inner wall of the threaded cylinder 18 in a sealing manner, when in use, the pressure valve 3 is butted with a gas pipe of a target container through the third butt joint 6, the gas pressure in the target pressure container acts on the inner walls of the first sealing ring 12 and the sealing ring 15, meanwhile, the space between the outer walls of the sealing ring 15 and the first sealing ring 12 and the outside is communicated by using the first pressure reducing hole 8 and the second pressure reducing hole 17, so that the pressure of the outer walls of the first sealing ring 12 and the sealing ring 15 is always equal to the external air pressure, the purpose of minimizing the pressure of the outer walls of the first sealing ring 12 and the sealing ring 15 is achieved, the air pressure of the pressure container acts on the inner walls of the first sealing ring 12 and the sealing ring 15 through the pipeline, and then an outward pressure difference is generated between the first sealing ring 12 and the sealing ring 15, so that the sealing strength of the third butt joint 6 is improved.
The second butt joint 4 further comprises a threaded opening 10, the threaded opening 10 is hollowed at the front end of the first hexagonal ring 9, the first hexagonal ring 9 is installed on the outer wall of the threaded cylinder 18 through the threaded opening 10 in a threaded manner, the second butt joint 4 further comprises a clamping groove 11, the inner wall of the clamping groove 11 is supported on the outer wall of the first sealing ring 12 in a sealing manner, the sealing main body 5 further comprises a first supporting ring 13, the first supporting ring 13 is fixedly clamped on the inner wall of the first sealing ring 12, the third butt joint 6 further comprises a second supporting ring 20, the front outer wall of the second supporting ring 20 is fixedly connected on the inner wall of the second shell frame 19, the second shell frame 19 and the second supporting ring 20 are of an integrated structure, the outer wall of the rear end of the second supporting ring 20 is supported on the inner wall of the sealing ring 15 in a sliding sealing manner, the internal structure of the first butt joint 1 is symmetrical and the internal structure of the second butt joint 4, and the first butt joint 1 and the second.
The working principle is as follows: when the pressure valve is used, the pressure valve 3 is butted with a gas pipe of a target container through the third butt joint 6, the air pressure in the target pressure container acts on the inner walls of the first sealing ring 12 and the sealing ring 15, meanwhile, the first pressure reducing hole 8 and the second pressure reducing hole 17 are utilized to communicate the outer walls of the sealing ring 15 and the first sealing ring 12 with the external space, the pressure of the outer walls of the first sealing ring 12 and the sealing ring 15 is always equal to the external air pressure, the purpose of minimizing the pressure of the outer walls of the first sealing ring 12 and the sealing ring 15 is achieved, the outward pressure difference generated between the first sealing ring 12 and the sealing ring 15 after the air pressure of the pressure container acts on the inner walls of the first sealing ring 12 and the sealing ring 15 through a pipeline is larger, and the sealing strength of the.
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 (6)
1. A pressure valve for a pressure vessel, comprising a pressure valve (3), characterized in that: the butt joint device is characterized by further comprising a first butt joint (1) and a butt joint body (2), wherein the butt joint body (2) comprises a second butt joint (4), a sealing body (5) and a third butt joint (6), the third butt joint (6) is installed at one end of the second butt joint (4) in a threaded mode, and the sealing body (5) is supported on the inner walls of the second butt joint (4) and the third butt joint (6) in a sealing mode; the second butt joint (4) comprises a first shell frame (7), a first pressure reducing hole (8) and a first hexagonal ring (9), the rear end of the first hexagonal ring (9) is fixedly connected to the front end of the first shell frame (7), the first shell frame (7) and the first hexagonal ring (9) are of an integral structure, the first pressure reducing hole (8) is hollowed out in the outer wall of the front portion of the first shell frame (7), the sealing main body (5) comprises a first sealing ring (12), a connecting cylinder (14) and a sealing ring (15), the outer wall of the first sealing ring (12) is fixedly and hermetically supported on the inner wall of the front portion of the first shell frame (7), the third butt joint (6) comprises a second hexagonal ring (16), a second pressure reducing hole (17), a threaded cylinder (18) and a second shell frame (19), and the front wall of the second hexagonal ring (16) is fixedly connected to the rear wall of the second shell frame (19), the antetheca fixed connection of a screw thread section of thick bamboo (18) is at the back wall of a six arris rings of second (16), the anterior outer wall at a screw thread section of thick bamboo (18) is seted up in even fretwork of second pressure relief vent (17), a six arris rings of second (16), a screw thread section of thick bamboo (18) and second housing (19) structure as an organic whole, the inner wall at a six arris rings of first (9) is installed to a screw thread section of thick bamboo (18) screw thread, the sealed inner wall that supports at a screw thread section of thick bamboo (18) of outer wall of a six arris rings of second (16).
2. A pressure valve for a pressure vessel as defined in claim 1, wherein: the second pair of connectors (4) further comprises a threaded opening (10), the threaded opening (10) is hollowed at the front end of the first hexagonal ring (9), and the first hexagonal ring (9) is installed on the outer wall of the threaded cylinder (18) through the threaded opening (10) in a threaded mode.
3. A pressure valve for a pressure vessel as defined in claim 1, wherein: the second pair of joints (4) further comprises clamping grooves (11), and the inner walls of the clamping grooves (11) are supported on the outer walls of the first sealing rings (12) in a sealing mode.
4. A pressure valve for a pressure vessel as defined in claim 1, wherein: the sealing main body (5) further comprises a first supporting ring (13), and the first supporting ring (13) is fixedly clamped on the inner wall of the first sealing ring (12).
5. A pressure valve for a pressure vessel as defined in claim 1, wherein: the third butt joint (6) further comprises a second support ring (20), the front outer wall of the second support ring (20) is fixedly connected to the inner wall of the second shell frame (19), the second shell frame (19) and the second support ring (20) are of an integrated structure, and the outer wall of the rear end of the second support ring (20) is supported on the inner wall of the sealing ring (15) in a sliding and sealing mode.
6. A pressure valve for a pressure vessel as defined in claim 1, wherein: the internal structure of the first butt joint (1) is symmetrical and the internal structure of the second butt joint (4) is the same, and the first butt joint (1) and the second butt joint (4) are fixedly connected to two ends of the pressure valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921717284.0U CN211203194U (en) | 2019-10-14 | 2019-10-14 | Pressure valve for pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921717284.0U CN211203194U (en) | 2019-10-14 | 2019-10-14 | Pressure valve for pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211203194U true CN211203194U (en) | 2020-08-07 |
Family
ID=71851240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921717284.0U Expired - Fee Related CN211203194U (en) | 2019-10-14 | 2019-10-14 | Pressure valve for pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211203194U (en) |
-
2019
- 2019-10-14 CN CN201921717284.0U patent/CN211203194U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 |