CN212510485U - Liquefied natural gas low-temperature heat-insulation gas cylinder - Google Patents
Liquefied natural gas low-temperature heat-insulation gas cylinder Download PDFInfo
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- CN212510485U CN212510485U CN202021016069.0U CN202021016069U CN212510485U CN 212510485 U CN212510485 U CN 212510485U CN 202021016069 U CN202021016069 U CN 202021016069U CN 212510485 U CN212510485 U CN 212510485U
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- liquefied natural
- connecting rod
- natural gas
- sliding groove
- temperature heat
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Abstract
The utility model discloses a liquefied natural gas low temperature heat insulation gas cylinder belongs to the new forms of energy auxiliary assembly field. A liquefied natural gas low-temperature heat insulation gas cylinder comprises a cylinder body, wherein an anti-overcharging mechanism is connected to the top wall of the cylinder body, the anti-overcharging mechanism comprises a shell, an air inlet hole is formed in the outer wall of the shell, the air inlet hole is communicated with the cylinder body through a through hole, a first blocking mechanism is connected to the inner wall of the air inlet hole, the first blocking mechanism is matched with the through hole, a first sliding groove is formed in the shell, the first sliding groove is communicated with the cylinder body, a convex valve element is connected to the inside of the first sliding groove, a groove is formed in the shell, a second blocking mechanism is connected to the top wall of the convex valve element, the second blocking mechanism is arranged in the groove, a second blocking block is connected to the output end of the second blocking; the utility model discloses simple structure, convenient to use can effectually carry out effectual control to the gas phase space of jar internal portion, avoid taking place the condition of superpressure and cause the potential safety hazard.
Description
Technical Field
The utility model relates to a new forms of energy auxiliary assembly technical field especially relates to a liquefied natural gas low temperature adiabatic gas cylinder.
Background
LNG, which is liquefied natural gas produced in a gas field, is purified and liquefied at a series of ultra-low temperatures to obtain natural gas that is liquid at normal pressure, and is known as the cleanest fossil energy on earth.
In the prior art, in order to prevent the low-temperature liquid from being excessively filled, a side full opening is arranged on a tank body, when the liquid is filled to a set position height, the side full opening is opened, the liquid flows out, a filling device is closed, and liquid filling is stopped.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing a liquefied natural gas low-temperature heat insulation gas cylinder.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a liquefied natural gas low temperature adiabatic gas cylinder, includes a jar body, be connected with on the jar body roof and prevent overcharging mechanism, prevent overcharging mechanism includes the casing, be provided with the inlet port on the casing outer wall, the inlet port is linked together through-hole and jar body, be connected with first shutoff mechanism on the inlet port inner wall, first shutoff mechanism cooperatees with the through-hole, the inside first spout that has still dug of casing, first spout is linked together with jar body, first spout internal connection has protruding type case, the inside recess that still is provided with of casing, be connected with second shutoff mechanism on the protruding type case roof, second shutoff mechanism sets up in the recess, second shutoff mechanism output is connected with the second sprue, second sprue and inlet port phase-match.
Preferably, a second elastic member is connected inside the first sliding groove, and the second elastic member is sleeved on the outer wall of the convex valve core.
Preferably, the first plugging mechanism comprises a first elastic piece, one end of the first elastic piece is connected to the inner wall of the air inlet, the other end of the first elastic piece is connected with a first plugging block, and the first plugging block is matched with the air inlet.
Preferably, the second plugging mechanism comprises a first connecting rod, one end of the first connecting rod is rotatably connected to the top wall of the convex valve core, the first connecting rod is rotatably connected in the groove through a rotating pin, one end, far away from the convex valve core, of the first connecting rod is movably connected with a second connecting rod, and one end, far away from the first connecting rod, of the second connecting rod is matched with the second plugging block.
Preferably, a second sliding groove is formed in one end, away from the convex valve core, of the first connecting rod in a chiseled mode, and the second connecting rod is movably connected into the second sliding groove.
Compared with the prior art, the utility model provides a liquefied natural gas low temperature adiabatic gas cylinder possesses following beneficial effect:
1. when the liquefied natural gas low-temperature heat insulation gas cylinder is used, the conveying pipeline is communicated with the anti-overcharging mechanism, liquefied natural gas is charged into the cylinder body through the arranged gas inlet hole, the first block is positioned on the right side of the through hole before the gas is charged, at the moment, the gas inlet hole and the cylinder body are in an off state, when the gas is charged, the first elastic piece is compressed under the action of pressure, the first block is driven to slide leftwards along the gas inlet hole, so that the gas inlet hole is communicated with the cylinder body, the liquefied natural gas is charged into the cylinder body, when the gas pressure in the cylinder body is greater than the elastic force of the second elastic piece, the convex valve core is driven to move upwards along the first sliding groove, the first connecting rod is driven to rotate along the rotating pin, the second connecting rod is driven to slide downwards along the groove, so that the second block is driven to slide downwards, when the gas pressure in the, then can make the second sprue block up the inlet port, and then the internal portion of jar then can stop the liquid feeding, and simultaneously, under the effect of first elastic component elasticity, then can make first sprue slide right along the inlet port, thereby carry out the secondary shutoff to the inlet port, thereby make jar internal portion of jar always keep certain gas phase space when the liquid feeding at every turn, and then fine play prevents the mesh of excessive filling dress, and simultaneously, in the use, when liquefied natural gas is heated and takes place the inflation, through protruding type case and the second elastic component that sets up, and then certain gas phase space can be increased, thereby avoid the internal portion of jar to take place the condition of superpressure and take place, thereby improve the device safety performance.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient to use can effectually carry out effectual control to the gas phase space of jar internal portion, avoid taking place the condition of superpressure and cause the potential safety hazard.
Drawings
Fig. 1 is a schematic structural view of a liquefied natural gas low-temperature heat-insulating gas cylinder provided by the present invention;
fig. 2 is a schematic structural diagram of an overcharge prevention mechanism of a liquefied natural gas low-temperature heat-insulating gas cylinder according to the present invention;
fig. 3 is a front sectional view of an anti-overcharging mechanism of the liquefied natural gas low-temperature heat-insulating gas cylinder provided by the utility model;
fig. 4 is a structural schematic diagram of an overcharge-preventing mechanism of the liquefied natural gas low-temperature heat-insulating gas cylinder provided by the utility model.
In the figure: 1. a tank body; 2. a housing; 201. an air inlet; 202. a through hole; 203. rotating the pin; 3. a first plugging mechanism; 301. a first elastic member; 302. a first block; 4. a first chute; 401. a convex valve core; 402. a second block; 403. a groove; 404. a second elastic member; 5. a second plugging mechanism; 501. a first link; 502. a second link; 503. a second runner.
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. 1-4, a liquefied natural gas low-temperature heat insulation gas cylinder comprises a tank body 1, an anti-overcharging mechanism is connected to the top wall of the tank body 1, the anti-overcharging mechanism comprises a casing 2, an air inlet 201 is arranged on the outer wall of the casing 2, the air inlet 201 is communicated with the tank body 1 through a through hole 202, a first plugging mechanism 3 is connected to the inner wall of the air inlet 201, the first plugging mechanism 3 is matched with the through hole 202, a first chute 4 is formed in the casing 2, the first chute 4 is communicated with the tank body 1, a convex valve element 401 is connected to the inside of the first chute 4, a groove 403 is formed in the casing 2, a second plugging mechanism 5 is connected to the top wall of the convex valve element 401, the second plugging mechanism 5 is arranged in the groove, the output end of the second plugging mechanism 5 is connected with a second plugging block 402.
The first sliding groove 4 is internally connected with a second elastic member 404, and the second elastic member 404 is sleeved on the outer wall of the convex valve core 401.
The second blocking mechanism 5 comprises a first connecting rod 501, one end of the first connecting rod 501 is rotatably connected to the top wall of the male valve element 401, the first connecting rod 501 is rotatably connected in the groove 403 through a rotating pin 203, one end of the first connecting rod 501, which is far away from the male valve element 401, is movably connected with a second connecting rod 502, and one end of the second connecting rod 502, which is far away from the first connecting rod 501, is matched with the second blocking piece 402.
The end of the first link 501 away from the male valve spool 401 is provided with a second sliding groove 503, and the second link 502 is movably connected in the second sliding groove 503.
When in use, the conveying pipeline is communicated with the anti-overcharging mechanism, liquefied natural gas is charged into the tank body 1 through the arranged gas inlet hole 201, before the gas is charged, the first block 302 is positioned at the right side of the through hole 202, at the moment, the gas inlet hole 201 and the tank body 1 are in an off state, when the gas is charged, the first elastic piece 301 is compressed under the action of pressure, the first block 302 is driven to slide leftwards along the gas inlet hole 201, so that the gas inlet hole 201 is communicated with the tank body 1, the liquefied natural gas is flushed into the tank body 1, when the gas pressure in the tank body 1 is greater than the elasticity of the second elastic piece 404, the convex valve core 401 is driven to move upwards along the first sliding groove 4, the first connecting rod 501 is driven to rotate along the rotating pin 203, the second connecting rod 502 is driven to slide downwards along the groove 403, so that the second block 402 is driven to slide downwards, when the gas pressure in the tank body 1 reaches a certain pressure value, then can make second sprue 402 block inlet port 201, and then the inside liquid feeding that then can stop of jar body 1, and simultaneously, under the effect of first elastic component 301 elasticity, then can make first sprue 302 slide right along inlet port 201, thereby carry out the secondary shutoff to inlet port 201, thereby make jar body 1 inside always keep certain gas phase space during liquid feeding at every turn, and then fine play prevents the mesh of excessive filling, and simultaneously, in the use, when liquefied natural gas is heated and takes place the inflation, through protruding type case 401 and the second elastic component 404 that sets up, and then can increase certain gas phase space, thereby avoid the inside circumstances of taking place the superpressure of jar body 1 to take place, thereby improve the device safety performance.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The liquefied natural gas low-temperature heat-insulation gas cylinder comprises a cylinder body (1) and is characterized in that an anti-overcharging mechanism is connected to the top wall of the cylinder body (1), the anti-overcharging mechanism comprises a shell (2), an air inlet hole (201) is formed in the outer wall of the shell (2), the air inlet hole (201) is communicated with the cylinder body (1) through a through hole (202), a first blocking mechanism (3) is connected to the inner wall of the air inlet hole (201), the first blocking mechanism (3) is matched with the through hole (202), a first sliding groove (4) is formed in the shell (2), the first sliding groove (4) is communicated with the cylinder body (1), a convex valve core (401) is connected to the inside of the first sliding groove (4), a groove (403) is formed in the inside of the shell (2), and a second blocking mechanism (5) is connected to the top wall of the convex valve core (401), the second plugging mechanism (5) is arranged in the groove (403), the output end of the second plugging mechanism (5) is connected with a second plugging block (402), and the second plugging block (402) is matched with the air inlet hole (201).
2. The liquefied natural gas low-temperature heat insulation gas cylinder as claimed in claim 1, wherein a second elastic member (404) is connected inside the first sliding groove (4), and the second elastic member (404) is sleeved on the outer wall of the convex valve core (401).
3. The liquefied natural gas low-temperature heat insulation gas cylinder as claimed in claim 2, wherein the first blocking mechanism (3) comprises a first elastic member (301), one end of the first elastic member (301) is connected to the inner wall of the gas inlet hole (201), the other end of the first elastic member (301) is connected with a first blocking block (302), and the first blocking block (302) is matched with the gas inlet hole (201).
4. The liquefied natural gas cryogenic insulation gas cylinder as claimed in claim 1, wherein the second blocking mechanism (5) comprises a first connecting rod (501), one end of the first connecting rod (501) is rotatably connected to the top wall of the convex valve core (401), the first connecting rod (501) is rotatably connected in the groove (403) through a rotating pin (203), one end of the first connecting rod (501), which is far away from the convex valve core (401), is movably connected with a second connecting rod (502), and one end of the second connecting rod (502), which is far away from the first connecting rod (501), is matched with the second blocking block (402).
5. The liquefied natural gas low-temperature heat insulation gas cylinder as claimed in claim 4, wherein a second sliding groove (503) is formed in one end, away from the convex valve core (401), of the first connecting rod (501), and the second connecting rod (502) is movably connected into the second sliding groove (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016069.0U CN212510485U (en) | 2020-06-05 | 2020-06-05 | Liquefied natural gas low-temperature heat-insulation gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016069.0U CN212510485U (en) | 2020-06-05 | 2020-06-05 | Liquefied natural gas low-temperature heat-insulation gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212510485U true CN212510485U (en) | 2021-02-09 |
Family
ID=74383127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021016069.0U Expired - Fee Related CN212510485U (en) | 2020-06-05 | 2020-06-05 | Liquefied natural gas low-temperature heat-insulation gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212510485U (en) |
-
2020
- 2020-06-05 CN CN202021016069.0U patent/CN212510485U/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: 20210209 Termination date: 20210605 |