CN215059525U - Gas-liquid dual-purpose exhaust valve for liquefied petroleum gas cylinder - Google Patents
Gas-liquid dual-purpose exhaust valve for liquefied petroleum gas cylinder Download PDFInfo
- Publication number
- CN215059525U CN215059525U CN202121545564.5U CN202121545564U CN215059525U CN 215059525 U CN215059525 U CN 215059525U CN 202121545564 U CN202121545564 U CN 202121545564U CN 215059525 U CN215059525 U CN 215059525U
- Authority
- CN
- China
- Prior art keywords
- valve
- gas
- liquefied petroleum
- liquid
- exhaust
- 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.)
- Active
Links
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a liquefied petroleum gas bottle gas-liquid dual-purpose exhaust valve, which comprises a valve body, wherein a valve rod is arranged at the upper end of the valve body, the valve body is provided with an exhaust passage which extends up and down, one side of the upper end of the valve body is provided with a gas outlet which extends left and right and can be communicated with the exhaust passage, the lower end of the valve rod is provided with a clamping groove with a downward opening, a sealing gasket for plugging the opening at the upper end of the exhaust passage is clamped in the clamping groove, the lower end of the exhaust passage is opened, and the exhaust passage is detachably connected with a liquid level pipe; a gap is reserved between the upper end surface of the clamping groove and the top of the sealing gasket, and a spring is arranged between the top of the sealing gasket and the upper end surface of the clamping groove; the upper end of the valve body is internally provided with a convex ring positioned at the edge of the opening at the upper end of the exhaust channel, and the bottom of the sealing gasket presses the upper end of the convex ring. The utility model discloses can regard as the blast pipe to use, can also regard as the liquid level valve to use, and sealed effectual.
Description
Technical Field
The utility model relates to an industry gas cylinder valve technical field specifically says a liquefied petroleum gas cylinder gas-liquid dual-purpose discharge valve.
Background
The exhaust valve in the prior art can only exhaust high-pressure gas, has single function, and the liquefied gas can be quantitatively filled when being filled, if the liquid level position of the liquefied gas needs to be displayed when a gas cylinder is filled, an independent liquid level valve needs to be independently opened and installed, the liquid level valve needs to be used for displaying the insufficient filling amount, and the cost is increased. In addition, in the exhaust valve, the exhaust passage is sealed by attaching the gasket to the lower end of the valve stem, and the gasket becomes poor in elasticity after aging, so that the gasket cannot be in good contact with the inside of the valve body, and the sealing performance is deteriorated.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the present invention is directed to: provides a gas-liquid dual-purpose exhaust valve for a liquefied petroleum gas cylinder.
The technical solution of the utility model is that: the gas-liquid dual-purpose exhaust valve for the liquefied petroleum gas cylinder comprises a valve body, wherein a valve rod is installed at the upper end of the valve body, the valve body is provided with an exhaust channel extending up and down, one side of the upper end of the valve body is provided with a gas outlet hole extending left and right and communicated with the exhaust channel, the lower end of the valve rod is provided with a clamping groove with a downward opening, a sealing gasket for plugging the opening at the upper end of the exhaust channel is clamped in the clamping groove, the lower end of the exhaust channel is opened, and the exhaust channel is detachably connected with a liquid level pipe; a gap is reserved between the upper end surface of the clamping groove and the top of the sealing gasket, and a spring is arranged between the top of the sealing gasket and the upper end surface of the clamping groove; the upper end of the valve body is internally provided with a convex ring positioned at the edge of the opening at the upper end of the exhaust channel, and the bottom of the sealing gasket presses the upper end of the convex ring.
Further, the upper end of the liquid level pipe is connected with the exhaust channel in a threaded connection mode.
Further, the inner wall of the exhaust channel is provided with an internal thread, and the upper end of the liquid level pipe is provided with a thread part matched with the internal thread of the exhaust channel.
Further, the lower end of the valve rod is connected with the upper end of the valve body in a threaded connection mode.
Further, when the gas-liquid dual-purpose exhaust valve of the liquefied petroleum gas cylinder is used as an exhaust valve, the valve rod is lifted upwards, the pressure in the gas cylinder is communicated with the atmospheric pressure, and gas is exhausted from the gas outlet.
Further, when the gas-liquid dual-purpose exhaust valve of the liquefied petroleum gas cylinder is used as a liquid level valve, the valve rod is lifted upwards, the pressure in the gas cylinder is greater than the atmospheric pressure when the liquefied petroleum gas is filled, and the liquefied petroleum gas which passes through the liquid level pipe enters the liquid level pipe and then is discharged from the air outlet.
Furthermore, the left side and the right side of the upper end face of the clamping groove are respectively provided with a first convex column, the left side and the right side of the top of the sealing gasket are respectively provided with a second convex column, the number of the springs is two, and the upper end and the lower end of each spring are respectively sleeved on the first convex column and the second convex column.
Use the utility model provides a dual-purpose discharge valve of liquefied petroleum gas cylinder gas-liquid, its beneficial effect is: when the liquid level pipe is taken down, the gas-liquid dual-purpose exhaust valve of the liquefied petroleum gas cylinder is used as an exhaust valve; after the liquid level pipe is arranged, the liquid level valve can play a role of a liquid level valve, after the gas cylinder is filled with liquefied gas, because the pressure in the gas cylinder is greater than the atmospheric pressure during filling, when the liquid level pipe contacts a preset filling liquid level surface, the liquefied gas which passes through the liquid level pipe enters the liquid level pipe and is discharged from the air outlet hole, and when the liquefied gas is discharged, the liquid level pipe indicates that the filling liquid level is reached, and the filling amount is enough, the filling can be stopped; the spring provides a decurrent pressure for sealed the pad for the sealing washer can plug up exhaust passage upper end opening better, and the setting of bulge loop makes things convenient for sealed pad contact valve body more, and when sealed the ageing back of filling up, the spring can help sealed pad to remove the bulge loop in the extrusion valve body upper end to a certain extent.
Drawings
FIG. 1 is a schematic structural view of the present invention without a liquid level tube;
FIG. 2 is a schematic structural view of the present invention with a liquid level tube;
fig. 3 is a schematic structural view of the liquid level pipe of the present invention.
Shown in the figure: the valve comprises a valve body 1, an exhaust channel 11, an internal thread 111, an air outlet 12, a convex ring 13, a valve rod 2, a clamping groove 21, a first convex column 211, a sealing gasket 3, a second convex column 31, a liquid level pipe 4, a threaded part 41 and a spring 5.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
as shown in fig. 1-3, the gas-liquid dual-purpose exhaust valve for the liquefied petroleum gas cylinder comprises a valve body 1, wherein a valve rod 2 is installed at the upper end of the valve body 1, the valve body 1 is provided with an exhaust passage 11 extending up and down, one side of the upper end of the valve body 1 is provided with a gas outlet hole 12 extending left and right and communicated with the exhaust passage 11, the lower end of the valve rod 2 is provided with a clamping groove 21 with a downward opening, a sealing gasket 3 for blocking the opening at the upper end of the exhaust passage 11 is clamped in the clamping groove 21, the lower end of the exhaust passage 11 is opened, and the exhaust passage 11 is detachably connected with a liquid level pipe 4; a gap is reserved between the upper end surface of the clamping groove 21 and the top of the sealing gasket 3, and a spring 5 is arranged between the top of the sealing gasket 3 and the upper end surface of the clamping groove 21; the upper end of the valve body 1 is internally provided with a convex ring 13 positioned at the edge of the opening at the upper end of the exhaust channel 11, and the bottom of the sealing gasket 3 presses the upper end of the convex ring 13.
In order to facilitate the assembly and disassembly of the liquid level pipe 4, the upper end of the liquid level pipe 4 is connected with the exhaust passage 11 in a threaded connection mode, the inner wall of the exhaust passage 11 is provided with an internal thread 111, and the upper end of the liquid level pipe 4 is provided with a threaded part 41 matched with the internal thread 111 of the exhaust passage 11.
The lower end of the valve rod 2 is connected with the upper end of the valve body 1 in a threaded connection mode. After rotating the valve rod 2, the valve rod 2 will move upwards.
When the liquid level pipe 4 is taken down, the gas-liquid dual-purpose exhaust valve of the liquefied petroleum gas cylinder is used as an exhaust valve. When the gas cylinder is used, the valve rod 2 is rotated, the valve rod 2 is lifted upwards, the exhaust channel 11 is communicated with the air outlet 12, the pressure in the gas cylinder is communicated with the atmospheric pressure, and gas is exhausted from the air outlet 12.
As shown in fig. 1, the left and right sides of the upper end surface of the slot 21 are respectively provided with a first convex column 211, the left and right sides of the top of the sealing gasket 3 are respectively provided with a second convex column 31, the number of the springs 5 is two, the upper and lower ends of the springs 5 are respectively sleeved on the corresponding first convex column 211 and the second convex column 31, and the upper end of the springs 5 is fixed with the upper end of the slot 21. The spring 5 provides a downward pressure to the gasket 3 so that the gasket 3 can better contact the collar 13 and thereby more effectively block the upper end opening of the exhaust passage 11.
When the gas-liquid dual-purpose exhaust valve of the liquefied petroleum gas cylinder is used as a liquid level valve, the valve rod 2 is rotated, the valve rod 2 is lifted upwards, the exhaust channel 11 is communicated with the air outlet hole 12, the pressure in the gas cylinder is greater than the atmospheric pressure when the liquefied petroleum gas is filled, and the liquefied petroleum gas which passes through the liquid level pipe 4 enters the liquid level pipe 4 and then is discharged from the air outlet hole 12.
The utility model discloses can play the effect of liquid level valve after loading liquid level pipe 4, fill the liquefied gas back in toward the gas cylinder, because fill when filling gas cylinder internal pressure and be greater than atmospheric pressure, after liquid level pipe 4 contact predetermined liquid level face of filling, the liquefied gas that has not crossed liquid level pipe 4 gets into and discharges from venthole 12 behind liquid level pipe 4, just indicate to reach when the liquefied gas discharges and fill the liquid level, fill the volume of filling enough, just can stop filling, the dual-purpose discharge valve of liquefied petroleum gas bottle gas-liquid is equivalent to the effect that plays the liquid level valve.
It is to be understood that the foregoing is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, which is defined by the following claims and drawings.
Claims (7)
1. Dual-purpose discharge valve of liquefied petroleum gas cylinder gas-liquid, including the valve body, the valve rod is installed to the upper end of valve body, and the valve body has the exhaust passage who extends from top to bottom, its characterized in that: one side of the upper end of the valve body is provided with an air outlet hole which extends left and right and can be communicated with the exhaust channel, the lower end of the valve rod is provided with a clamping groove with a downward opening, a sealing gasket for blocking the opening at the upper end of the exhaust channel is clamped in the clamping groove, the lower end of the exhaust channel is opened, and the exhaust channel is detachably connected with a liquid level pipe; a gap is reserved between the upper end surface of the clamping groove and the top of the sealing gasket, and a spring is arranged between the top of the sealing gasket and the upper end surface of the clamping groove; the upper end of the valve body is internally provided with a convex ring positioned at the edge of the opening at the upper end of the exhaust channel, and the bottom of the sealing gasket presses the upper end of the convex ring.
2. The dual-purpose exhaust valve for gas and liquid of the liquefied petroleum gas cylinder as claimed in claim 1, wherein: the upper end of the liquid level pipe is connected with the exhaust passage in a threaded connection mode.
3. The dual-purpose exhaust valve for gas and liquid of the liquefied petroleum gas cylinder as claimed in claim 2, wherein: the inner wall of the exhaust channel is provided with internal threads, and the upper end of the liquid level pipe is provided with a thread part matched with the internal threads of the exhaust channel.
4. The dual-purpose exhaust valve for gas and liquid of the liquefied petroleum gas cylinder as claimed in claim 1, wherein: the lower end of the valve rod is connected with the upper end of the valve body in a threaded connection mode.
5. The dual-purpose exhaust valve for gas and liquid of the liquefied petroleum gas cylinder as claimed in claim 1, wherein: when the gas-liquid dual-purpose exhaust valve of the liquefied petroleum gas cylinder is used as an exhaust valve, the valve rod is lifted upwards, the pressure in the gas cylinder is communicated with the atmospheric pressure, and the gas is exhausted from the gas outlet.
6. The dual-purpose exhaust valve for gas and liquid of the liquefied petroleum gas cylinder as claimed in claim 1, wherein: when the gas-liquid dual-purpose exhaust valve of the liquefied petroleum gas cylinder is used as a liquid level valve, the valve rod is lifted upwards, the pressure in the gas cylinder is greater than the atmospheric pressure when the liquefied petroleum gas is filled, and the liquefied petroleum gas which passes through the liquid level pipe enters the liquid level pipe and then is discharged from the air outlet.
7. The dual-purpose exhaust valve for gas and liquid of the liquefied petroleum gas cylinder as claimed in claim 1, wherein: the left side and the right side of the upper end face of the clamping groove are respectively provided with a first convex column, the left side and the right side of the top of the sealing gasket are respectively provided with a second convex column, the number of the springs is two, and the upper end and the lower end of each spring are respectively sleeved on the first convex column and the second convex column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121545564.5U CN215059525U (en) | 2021-07-08 | 2021-07-08 | Gas-liquid dual-purpose exhaust valve for liquefied petroleum gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121545564.5U CN215059525U (en) | 2021-07-08 | 2021-07-08 | Gas-liquid dual-purpose exhaust valve for liquefied petroleum gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059525U true CN215059525U (en) | 2021-12-07 |
Family
ID=79224870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121545564.5U Active CN215059525U (en) | 2021-07-08 | 2021-07-08 | Gas-liquid dual-purpose exhaust valve for liquefied petroleum gas cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215059525U (en) |
-
2021
- 2021-07-08 CN CN202121545564.5U patent/CN215059525U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3971425B2 (en) | SEALING DEVICE AND SEALING EXTRACTION UNIT USED FOR THE SAME | |
| JP2005145076A5 (en) | ||
| US8342215B2 (en) | Tire sealant liquid container | |
| CN215059525U (en) | Gas-liquid dual-purpose exhaust valve for liquefied petroleum gas cylinder | |
| CN104633115A (en) | Compression expanding type pipe opening inner diameter high-pressure sealing device and method | |
| CN106379635B (en) | A kind of wine structure out of plastics fat | |
| CN103335792A (en) | Inflation and exhaust structure of active type leak hole | |
| CN108480084A (en) | A kind of spray gun structure | |
| CN201851884U (en) | Cylinder valve with air charging device | |
| CN210771435U (en) | Filling structure of edible carbon dioxide | |
| CN210770512U (en) | Piston type selector valve | |
| CN210527275U (en) | Tire repair liquid bottle | |
| CN102797665A (en) | Self-unloading one-way valve type cylinder head and valve plate assembly | |
| CN213118456U (en) | Inflator capable of finely adjusting air flow | |
| CN206798242U (en) | A kind of aerosol proportional valve | |
| CN207881898U (en) | A kind of flexible engine water channel leakage tester | |
| CN111921359A (en) | Low-energy-consumption energy-saving chemical light-component removing tower | |
| CN213293434U (en) | Air pressure type wine distributor | |
| CN210162572U (en) | Anti-overflow structure of water storage pressure container | |
| CN205301094U (en) | Suppress frock | |
| CN214932165U (en) | Tire is from mending liquid extrusion bottle | |
| CN2237610Y (en) | Disposable valve for refrigerant bottle | |
| CN208397375U (en) | A kind of air valve device | |
| CN212776806U (en) | Liquid inlet and exhaust combined valve | |
| CN220316084U (en) | Leak-proof storage tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |