CN210890242U - One-way valve device for steel drum gas filling - Google Patents
One-way valve device for steel drum gas filling Download PDFInfo
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- CN210890242U CN210890242U CN201921035716.XU CN201921035716U CN210890242U CN 210890242 U CN210890242 U CN 210890242U CN 201921035716 U CN201921035716 U CN 201921035716U CN 210890242 U CN210890242 U CN 210890242U
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Abstract
The utility model discloses a one-way valve device for steel drum gas filling, which comprises a reversing valve, a drum plug and a block, wherein the reversing valve comprises a cylindrical shell and a valve core coaxially arranged in the shell, one end of the shell is a gas inlet end, the other end of the shell is a gas outlet end, the drum plug is sleeved at the gas inlet end of the shell, and a mounting hole penetrating through the shell is arranged in the shell; the valve core is arranged in a mounting hole of the shell in a sliding mode, the valve core comprises a connecting rod and a hole blocking piece, the hole blocking piece is arranged in a second mounting hole, the connecting rod is coaxially arranged in a first mounting hole, and a gear piece is sleeved at one end, close to the hole blocking piece, of the connecting rod; a valve core sealing ring is arranged between the hole plugging piece and the gear piece; the sprue is arranged in the first mounting hole, a through hole is formed in the sprue, the connecting rod is sleeved with a spring, and two ends of the spring are respectively connected with the gear piece and the sprue. The device is easy to discharge air, is provided with a plurality of sealing rings, improves the sealing property and avoids corrosion and oxidation to products.
Description
Technical Field
The utility model relates to a check valve field, especially a check valve device for steel drum air entrainment.
Background
The one-way valve device for filling gas into the steel drum can be widely applied to equipment and devices which need gas filling and air exchange in industry. At present, the gas filling is carried out in the steel barrel in China, a gas filling device is generally directly used for filling gas into the steel barrel, and the gas filling method has the following defects and shortcomings:
when the product in the open steel drum reaches the position, the drum cover is covered, the hoop is arranged, a certain amount of moisture condensed by air and hot air exists between the product and the drum cover, and the air and the moisture corrode and oxidize the product;
secondly, the barrel plug is taken after gas is replaced, when the barrel plug is assembled, air is easy to enter or gas filled in overflows, products cannot be completely isolated from the air, the product quality cannot be guaranteed, and direct economic loss is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a one-way valve device for aerating steel drums, which is easy to discharge air and avoid corrosion and oxidation to products; simultaneously, in the replacement gaseous back air can not get into the bucket again, protective gas can not spill over yet, guarantees that the air is isolated with the product, and then guarantees better product quality.
The utility model adopts the technical proposal that:
a one-way valve device for steel drum gas filling comprises a reversing valve, a barrel plug and a plugging block, wherein the reversing valve comprises a cylindrical shell and a valve core coaxially arranged in the shell, one end of the shell is a gas inlet end, the other end of the shell is a gas outlet end, the barrel plug is sleeved at the gas inlet end of the shell, a mounting hole penetrating through the shell is formed in the shell along the axis of the shell, the mounting hole comprises a first mounting hole, a second mounting hole and a third mounting hole which are sequentially communicated with each other from the gas outlet end to the gas inlet end, one end, away from the gas inlet end of the shell, of the first mounting hole is a gas outlet of the shell, one end, away from the gas outlet end of the shell, of the third mounting hole is a gas inlet of the shell, and the aperture of the second mounting hole is smaller than the aperture of the first mounting hole and the aperture of the third mounting hole;
the valve element is arranged in the mounting hole of the shell in a sliding manner, the valve element comprises a connecting rod and a hole blocking piece which are mutually connected, the hole blocking piece is arranged in the second mounting hole, the connecting rod is coaxially arranged in the first mounting hole, and a gear piece is sleeved at one end, close to the hole blocking piece, of the connecting rod; the diameter of the hole plugging piece is smaller than or equal to the aperture of the second mounting hole, the diameter of the blocking piece is larger than the aperture of the second mounting hole, the diameter of the connecting rod is smaller than the aperture of the second mounting hole, and a valve core sealing ring sleeved on the connecting rod is arranged between the hole plugging piece and the blocking piece;
the sprue is arranged in the first mounting hole, a through hole for the connecting rod to extend out is formed in the sprue, a spring is sleeved on the connecting rod, two ends of the spring are respectively connected with the gear piece and the sprue, and the outer diameter of the spring is larger than the diameter of the through hole of the sprue.
In the actual working process, after the steel drum is filled with articles, the drum cover and the hoop are well brought, the drum cover is provided with an exhaust port and an air inlet, the air inlet on the drum cover is connected with the air valve combination device, when gas replacement is needed, the plug sleeved on the exhaust port is taken down, the threaded plug of the air inlet of the air valve combination device is taken down, the air nozzle of the air filling device and the reversing valve of the air valve combination device are screwed together through threads, the valve core is aligned to the valve core, the gate valve of the air filling device is opened, protective gas (such as inert gas, nitrogen and the like) in the air storage tank is conveyed into the air inlet valve combination device through the air pipe, the valve core is forced to move downwards under the downward pressure of airflow, so that the protective gas enters the steel drum, under the downward pressure of the airflow, the air and the moisture in the steel drum are discharged from the open air holes on the drum cover, and the protective gas is, when the air and water in the barrel are discharged, the plug is arranged at the open exhaust port on the barrel cover and is screwed down, the gas filling device is taken down, the valve core is jacked up to return to the original position after the spring returns to the normal state, the second mounting hole is plugged by the plugging piece to be sealed, meanwhile, the sealing effect is further improved through the valve core sealing ring, and the gas filled into the steel barrel is prevented from overflowing.
Furthermore, an annular sealing groove is formed in the outer side wall of the barrel plug, and a barrel plug sealing ring is arranged in the sealing groove.
The air holes in the barrel cover are better sealed, and the protective gas is effectively prevented from overflowing.
Further, a threaded plug is arranged at the air inlet of the shell.
Dust can be effectively prevented from falling in, the sealing performance is further improved, and the protective gas is prevented from overflowing.
Furthermore, the hole plugging piece of the valve core is in a cone frustum shape, and one end of the hole plugging piece with a large radius is connected with the connecting rod.
The friction force between the hole plugging piece and the reversing valve can be effectively reduced, and the valve core can move more smoothly.
Further, the through hole of the block is hexagonal.
The shape of the through hole can be a pentagon, a hexagon and other polygons, so that the screw connection is convenient.
The utility model has the advantages that:
1. air is easily discharged, and corrosion and oxidation to products are avoided;
2. the valve core is provided with a valve core sealing ring, so that air can not enter the barrel after gas replacement, and protective gas can not overflow;
3. the barrel cover is provided with the barrel plug sealing ring, so that the air holes in the barrel cover are better sealed, and the protective gas is effectively prevented from overflowing;
4. the threaded plug is arranged, so that dust can be effectively prevented from falling in, the sealing performance is further improved, and protective gas is prevented from overflowing;
5. the hole plugging piece is in a cone frustum shape, so that the friction force between the hole plugging piece and the reversing valve can be effectively reduced, and the valve core can move more smoothly;
6. the product quality is ensured, and the economic cost is saved.
Drawings
Fig. 1 is a schematic structural view of an air valve assembly of a check valve device for filling gas into a steel drum according to an embodiment of the present invention;
fig. 2 is a sectional view of an air valve assembly of a check valve device for filling gas into a steel drum according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a gas filling device of a check valve device for filling gas into a steel drum according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a valve core of a check valve device for aerating a steel drum according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a reversing valve housing of a check valve device for aerating a steel drum according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a check valve device for aerating a steel drum according to an embodiment of the present invention.
Reference numerals: 1. a gas storage tank; 2. an air tube; 3. a gate valve; 4. an air tap; 5. a threaded plug; 6. a housing; 61. a first mounting hole; 62. a second mounting hole; 63. a third mounting hole; 7. a barrel stopper; 8. a barrel stopper sealing ring; 9. a valve core sealing ring; 10. a valve core; 101. a gear member; 102. a connecting rod; 103. a hole plugging piece; 11. a spring; 12. blocking; 13. a steel drum; 14. an exhaust port; 15. welding; 16. a one-way valve arrangement.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1-6, a one-way valve device for filling gas into a steel barrel comprises a reverse valve, a barrel plug 7 and a block 12, the reverse valve comprises a cylindrical shell 6 and a valve core 10 coaxially arranged in the shell 6, one end of the shell 6 is an air inlet end, the other end is an air outlet end, the barrel plug 7 is sleeved at the air inlet end of the shell 6, a mounting hole penetrating through the shell 6 is arranged in the shell 6 along the axis of the shell 6, the mounting holes comprise a first mounting hole 61, a second mounting hole 62 and a third mounting hole 63 which are communicated with each other and are sequentially arranged in the direction from the air outlet end to the air inlet end, the end of the first mounting hole 61 far away from the air inlet end of the shell 6 is the air outlet of the shell 6, the end of the third mounting hole 63 far away from the air outlet end of the shell 6 is the air inlet of the shell 6, the aperture of the second mounting hole 62 is smaller than the apertures of the first mounting hole 61 and the third mounting hole 63;
the valve core 10 is slidably arranged in the mounting hole of the shell 6, the valve core 10 comprises a connecting rod 102 and a hole blocking piece 103 which are connected with each other, the hole blocking piece 103 is arranged in the second mounting hole 62, the connecting rod 102 is coaxially arranged in the first mounting hole 61, and a gear piece is sleeved at one end, close to the hole blocking piece 103, of the connecting rod 102; the diameter of the plugging member 103 is smaller than or equal to the aperture of the second mounting hole 62, the diameter of the blocking member 101 is larger than the aperture of the second mounting hole 62, the diameter of the connecting rod 102 is smaller than the aperture of the second mounting hole 62, and a valve core sealing ring 9 sleeved on the connecting rod 102 is arranged between the plugging member 103 and the blocking member 101;
the sprue 12 is arranged in the first mounting hole 61, a through hole for the connecting rod 102 to extend out is formed in the sprue 12, the connecting rod 102 is sleeved with a spring 11, two ends of the spring 11 are respectively connected with the blocking piece 101 and the sprue 12, and the outer diameter of the spring 11 is larger than the diameter of the through hole of the sprue 12.
The check valve device 16 is connected with an air inlet on the cover of the steel barrel 13 and is used for aerating the steel barrel 13. The bung 7 is a G3/4 plug, a hole with the diameter of 15.5mm is drilled in the center of the bung, a special reversing valve with internal threads is penetrated on the bung 7, and the bung and the reversing valve are welded into a whole at a welding part 15. In the actual working process, after the steel drum 13 is filled with articles, the drum cover and the hoop are well brought, the drum cover is provided with the exhaust port 14 and the air inlet, and the air inlet on the drum cover is connected with the one-way valve device for filling gas into the steel drum 13. When gas replacement is needed, the plug sleeved on the exhaust port 14 is taken down, the threaded plug 5 at the air inlet of the shell 6 is taken down, the gas filling device is connected with the air inlet of the shell 6 and comprises a gas storage tank 1 and a gas pipe 2, one end of the gas pipe 2 is connected with the gas outlet of the gas storage tank 1, the other end of the gas pipe 2 is connected with a gas nipple 4, the gas pipe 2 is provided with a gate valve 3, and the gas outlet of the gas nipple 4 corresponds to the valve core 10. Screwing an air tap 4 of the gas filling device and a shell 6 of the reversing valve together through threads, aligning to a valve core 10, opening a gate valve 3 of the gas filling device, conveying protective gas (such as inert gas, nitrogen and the like) in a gas storage tank 1 to the air tap 4 through a gas pipe 2, further conveying the protective gas into the shell 6 of the reversing valve, enabling the valve core 10 to move downwards by 2mm-3mm under the stress of downward airflow, simultaneously enabling the protective gas to enter a steel barrel 13, discharging air and moisture in the steel barrel 13 from an open vent hole on the barrel cover under the downward airflow pressure, injecting the protective gas for a certain time (the volume of the injected protective gas is approximately equal to the volume between the surface of a product and the barrel cover), discharging the air and the moisture in the barrel, plugging an open vent hole 14 on the barrel cover, screwing down, closing the gate valve 3 of the gas filling device, taking down the gas filling device, and recovering the normal state of a spring 11 arranged on a connecting rod 102 of the valve core 10, the valve core 10 is jacked up and returns to the original position, the hole blocking piece 103 of the valve core 10 blocks the second mounting hole 62 in the shell 6 of the reversing valve, sealing is carried out, a valve core sealing ring 9 which is sleeved on the connecting rod 102 is arranged between the hole blocking piece 103 and the gear piece 101, the sealing effect can be further improved through the valve core sealing ring 9, the gas filled into the steel barrel 13 is prevented from overflowing, finally, the threaded plug 5 is sleeved at the gas inlet of the shell 6 and screwed down, dust is prevented from falling into the valve core, the sealing performance is further improved, and the overflow of protective gas is avoided.
In one embodiment, an annular sealing groove is formed in the outer side wall of the bung 7, and a bung sealing ring 8 is arranged in the sealing groove. The barrel plug sealing ring 8 is arranged on the barrel plug 7, so that air holes in the barrel cover can be better sealed, and the protective gas can be effectively prevented from overflowing.
In one embodiment, a threaded plug 5 is arranged at the air inlet of the housing 6, and the size of the threaded plug 5 is matched with that of the air inlet of the housing 6. After gas filling is finished, the gas filling device is taken down, the gas inlet of the shell 6 is provided with the threaded plug 5, and the threaded plug is screwed down, so that dust can be effectively prevented from falling into the shell, the sealing performance is further improved, and the protective gas is prevented from overflowing.
In one embodiment, the hole blocking member 103 of the valve core 10 is in a truncated cone shape, and one end of the hole blocking member 103 with a large radius is connected with the connecting rod 102. The hole blocking piece 103 of the valve core 10 is in a cone frustum shape, so that the friction force between the hole blocking piece 103 and the reversing valve can be effectively reduced, and the valve core 10 can move more smoothly.
In one embodiment, the through-holes of the blocks 12 are hexagonal. The shape of the through hole can be a pentagon, a hexagon and other polygons, so that the screw connection is convenient.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. A one-way valve device for steel drum gas filling is characterized by comprising a reversing valve, a drum plug and a block, wherein the reversing valve comprises a cylindrical shell and a valve core coaxially arranged in the shell, one end of the shell is a gas inlet end, the other end of the shell is a gas outlet end, the drum plug is sleeved at the gas inlet end of the shell, a mounting hole penetrating through the shell is formed in the shell along the axis of the shell, the mounting hole comprises a first mounting hole, a second mounting hole and a third mounting hole which are sequentially communicated with each other from the gas outlet end to the gas inlet end, one end of the first mounting hole, which is far away from the gas inlet end of the shell, is a gas outlet of the shell, one end of the third mounting hole, which is far away from the gas outlet end of the shell, is a gas inlet of the shell, and the aperture of the second mounting hole is smaller than the aperture of the first mounting hole and the aperture of the third mounting hole;
the valve element is arranged in the mounting hole of the shell in a sliding manner, the valve element comprises a connecting rod and a hole blocking piece which are mutually connected, the hole blocking piece is arranged in the second mounting hole, the connecting rod is coaxially arranged in the first mounting hole, and a blocking piece is sleeved at one end, close to the hole blocking piece, of the connecting rod; the diameter of the hole plugging piece is smaller than or equal to the aperture of the second mounting hole, the diameter of the blocking piece is larger than the aperture of the second mounting hole, the diameter of the connecting rod is smaller than the aperture of the second mounting hole, and a valve core sealing ring sleeved on the connecting rod is arranged between the hole plugging piece and the blocking piece;
the sprue is arranged in the first mounting hole, a through hole for the connecting rod to extend out is formed in the sprue, a spring is sleeved on the connecting rod, two ends of the spring are respectively connected with the gear piece and the sprue, and the outer diameter of the spring is larger than the diameter of the through hole of the sprue.
2. The one-way valve device for filling gas into a steel drum according to claim 1, wherein an annular sealing groove is formed in the outer side wall of the drum plug, and a drum plug sealing ring is arranged in the sealing groove.
3. A one-way valve assembly for filling steel drums according to claim 1, wherein a screw-threaded plug is provided at the air inlet of the housing.
4. The check valve device for filling gas into a steel drum according to claim 1, wherein the hole blocking piece of the valve core is in a truncated cone shape, and one end of the hole blocking piece with a large radius is connected with the connecting rod.
5. The check valve device for filling steel drum according to claim 1, wherein the through hole of the block is hexagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921035716.XU CN210890242U (en) | 2019-07-04 | 2019-07-04 | One-way valve device for steel drum gas filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921035716.XU CN210890242U (en) | 2019-07-04 | 2019-07-04 | One-way valve device for steel drum gas filling |
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| Publication Number | Publication Date |
|---|---|
| CN210890242U true CN210890242U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921035716.XU Active CN210890242U (en) | 2019-07-04 | 2019-07-04 | One-way valve device for steel drum gas filling |
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| CN (1) | CN210890242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU200706U1 (en) * | 2020-08-07 | 2020-11-06 | Общество с ограниченной ответственностью "Российская инновационная топливно-энергетическая компания" (ООО "РИТЭК") | CHECK VALVE FOR SHANK COLUMN EQUIPMENT |
-
2019
- 2019-07-04 CN CN201921035716.XU patent/CN210890242U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU200706U1 (en) * | 2020-08-07 | 2020-11-06 | Общество с ограниченной ответственностью "Российская инновационная топливно-энергетическая компания" (ООО "РИТЭК") | CHECK VALVE FOR SHANK COLUMN EQUIPMENT |
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