CN219911898U - Thermal pressure relief device of bottleneck valve - Google Patents
Thermal pressure relief device of bottleneck valve Download PDFInfo
- Publication number
- CN219911898U CN219911898U CN202321519535.0U CN202321519535U CN219911898U CN 219911898 U CN219911898 U CN 219911898U CN 202321519535 U CN202321519535 U CN 202321519535U CN 219911898 U CN219911898 U CN 219911898U
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- CN
- China
- Prior art keywords
- valve
- valve core
- lock nut
- pressure relief
- hot pressure
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 102100029211 E3 ubiquitin-protein ligase TTC3 Human genes 0.000 claims description 9
- 101000633723 Homo sapiens E3 ubiquitin-protein ligase TTC3 Proteins 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 16
- 239000001257 hydrogen Substances 0.000 description 16
- 229910052739 hydrogen Inorganic materials 0.000 description 16
- 230000006837 decompression Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a hot pressure relief device of a bottleneck valve, which belongs to the technical field of bottleneck valves and aims to solve the problem that the sealing structure of a hot pressure relief part of the existing bottleneck valve is complex.
Description
Technical Field
The utility model relates to the technical field of bottleneck valves, in particular to a hot pressure relief device of a bottleneck valve.
Background
The hydrogen storage mode adopts a hydrogen storage bottle for storing hydrogen at high pressure, the bottle mouth valve is not opened in reasonable and effective use of the high-pressure hydrogen in the hydrogen storage bottle, the bottle mouth valve is required to be installed for protecting the high-pressure hydrogen in the hydrogen storage bottle, the gas in the hydrogen storage bottle expands when the temperature is overheated, the pressure is increased and the explosion is easy to occur, and a thermal decompression device of the bottle mouth valve is needed;
however, the sealing structure of the hot pressure release part of the conventional bottleneck valve is complex, so that the cost is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the hot pressure relief device of the bottleneck valve, overcomes the defects of the prior art, and aims to solve the problem that the sealing structure of the hot pressure relief part of the existing bottleneck valve is complex.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the hot pressure relief device of the bottleneck valve comprises a valve body, wherein an air inlet spray pipe, an air outlet pipe and a temperature sensor are respectively arranged at the top of the valve body, an electromagnetic valve is arranged at one side of the valve body, and a TPRD hot pressure relief valve, a manual air release valve, a manual maintenance valve, a pressure sensor plug, an inlet/outlet adapter and a hot pressure relief port adapter are respectively arranged at the periphery of the valve body;
the TPRD hot pressure release valve is characterized in that the TPRD hot pressure release valve comprises a valve core, a glass ball is arranged at the top of the valve core, a valve core large gasket, a locking nut sealing ring, a spring and a valve core sealing ring are sleeved on one side of the outer part of the valve core, and the end part of the valve core is further connected with a locking nut in a threaded manner.
As a preferable technical scheme of the utility model, blind holes are formed in the lock nut and the valve core, and two ends of the glass ball are respectively arranged in the blind holes of the lock nut and the valve core.
As a preferable technical scheme of the utility model, the valve core is of a columnar structure at two ends, the diameter of the upper end is larger than that of the lower end, and the valve core small gasket and the valve core sealing ring are sleeved at one end with smaller diameter.
As a preferable technical scheme of the utility model, the outer surfaces of the large valve core gasket and the lock nut sealing ring are in contact with the inner wall of the lock nut.
As a preferable technical scheme of the utility model, two ends of the spring respectively collide with the bottom of the valve core and the top of the valve body.
The utility model has the beneficial effects that: when the ambient temperature of the hot pressure relief opening (valve body) reaches the temperature, the glass ball breaks off, so that the valve core loses support, the spring is ejected out to not block the air passage, hydrogen flows out of the hole on the side face, the valve core sealing ring blocks the hydrogen before breaking to prevent the hydrogen from entering the hot pressure relief opening, the lock nut sealing ring prevents the hydrogen from leaking from the thread of the lock nut after breaking, the cover at the lock nut is designed to be closed, and therefore, only a gasket can be installed at the large gasket of the valve core without installing the sealing ring, and the complexity of the sealing structure at the large gasket of the valve core is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
fig. 3 is a schematic cross-sectional structural view of a TPRD thermal relief valve of the present utility model.
In the figure: 1. a valve body; 2. an air inlet spray pipe; 3. an electromagnetic valve; 4. TPRD thermal relief valve; 5. an air outlet pipe; 6. a manual air release valve; 7. manually maintaining the valve; 8. a temperature sensor; 9. a pressure sensor plug; 10. an inlet-outlet adapter; 11. a thermal relief vent; 41. a lock nut; 42. a lock nut seal ring; 43. glass balls; 44. a valve core; 45. a valve core large gasket; 46. a valve core small gasket; 47. a spring; 48. and a valve core sealing ring.
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. 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.
In the present embodiment
Referring to fig. 1-3, a thermal decompression device of a bottleneck valve comprises a valve body 1, wherein an air inlet spray pipe 2, an air outlet pipe 5 and a temperature sensor 8 are respectively arranged at the top of the valve body 1, an electromagnetic valve 3 is arranged at one side of the valve body 1, and a TPRD thermal decompression valve 4, a manual air release valve 6, a manual maintenance valve 7, a pressure sensor plug 9, an inlet/outlet adapter 10 and a thermal decompression port adapter 11 are respectively arranged at the periphery of the valve body 1;
the TPRD hot relief valve 4 comprises a valve core 44, a glass ball 43 is arranged at the top of the valve core 44, a valve core large gasket 45, a locking nut sealing ring 42, a spring 47 and a valve core sealing ring 48 are sleeved on one side of the outer part of the valve core 44, and the end part of the valve core large gasket is also connected with a locking nut 41 in a threaded manner;
blind holes are formed in the lock nut 41 and the valve core 44, two ends of the glass ball 43 are respectively arranged in the blind holes of the lock nut 41 and the valve core 44, the valve core 44 is of a columnar structure, the diameter of the upper end of the valve core 44 is larger than that of the lower end of the valve core, the small valve core gasket 46 and the valve core sealing ring 48 are sleeved at one end with smaller diameter, the large valve core gasket 45 and the outer surface of the lock nut sealing ring 42 are in contact with the inner wall of the lock nut 41, and two ends of the spring 47 are in contact with the bottom of the valve core 44 and the top of the valve body 1 respectively.
In this embodiment, when the ambient temperature of the hot pressure relief port 11 (valve body 1) reaches 110 ℃, the glass ball 43 breaks off, so that the valve core 44 loses support and is ejected by the spring 47 to not block the air passage, hydrogen flows out of the hole on the side surface, the valve core sealing ring 48 blocks the hydrogen before breaking to prevent the hydrogen from entering the hot pressure relief port 11, the lock nut sealing ring 42 prevents the hydrogen from leaking from the lock nut thread 41 after breaking, and the cover at the lock nut 41 is designed to be closed, thus only a gasket can be installed at the valve core large gasket 45 without installing a sealing ring, and the complexity of the sealing structure at the valve core large gasket 45 is reduced.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The hot pressure relief device of the bottleneck valve comprises a valve body (1), and is characterized in that an air inlet spray pipe (2), an air outlet pipe (5) and a temperature sensor (8) are respectively arranged at the top of the valve body (1), an electromagnetic valve (3) is arranged on one side of the valve body (1), and a TPRD hot pressure relief valve (4), a manual air release valve (6), a manual maintenance valve (7), a pressure sensor plug (9), an inlet-outlet adapter (10) and a hot pressure relief opening (11) are respectively arranged around the valve body (1);
the inside of TPRD hot relief valve (4) is including case (44), and the top of case (44) is provided with glass ball (43), and the outside one side cover of case (44) is equipped with case big packing ring (45), lock nut sealing washer (42), spring (47) and case sealing washer (48), and its tip still threaded connection has lock nut (41).
2. The device for relieving the pressure by heat of the bottleneck valve according to claim 1, wherein blind holes are formed in the lock nut (41) and the valve core (44), and two ends of the glass ball (43) are respectively arranged in the blind holes of the lock nut (41) and the valve core (44).
3. The bottle mouth valve hot pressure release device according to claim 1, wherein the valve core (44) is of a columnar structure at two ends, the diameter of the upper end is larger than that of the lower end, and the valve core small gasket (46) and the valve core sealing ring (48) are sleeved at one end with smaller diameter.
4. The device according to claim 1, wherein the large valve core gasket (45) abuts against the inner wall of the lock nut (41) on the outer surface of the lock nut sealing ring (42).
5. The device according to claim 1, wherein the two ends of the spring (47) respectively abut against the bottom of the valve core (44) and the top of the body of the valve body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321519535.0U CN219911898U (en) | 2023-06-15 | 2023-06-15 | Thermal pressure relief device of bottleneck valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321519535.0U CN219911898U (en) | 2023-06-15 | 2023-06-15 | Thermal pressure relief device of bottleneck valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219911898U true CN219911898U (en) | 2023-10-27 |
Family
ID=88437481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321519535.0U Active CN219911898U (en) | 2023-06-15 | 2023-06-15 | Thermal pressure relief device of bottleneck valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219911898U (en) |
-
2023
- 2023-06-15 CN CN202321519535.0U patent/CN219911898U/en active Active
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