CN212840681U - Inflation detection valve and gas cylinder inflation device - Google Patents
Inflation detection valve and gas cylinder inflation device Download PDFInfo
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- CN212840681U CN212840681U CN202021244428.8U CN202021244428U CN212840681U CN 212840681 U CN212840681 U CN 212840681U CN 202021244428 U CN202021244428 U CN 202021244428U CN 212840681 U CN212840681 U CN 212840681U
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Abstract
The utility model discloses an aerify check valve can prevent that high-pressure gas cylinder atmospheric pressure from crossing low, include: the three-way valve is provided with an exhaust pipeline for communicating the high-pressure gas cylinder with the air pump; the bypass part is arranged on one side of the three-way valve and is provided with a first inner cavity communicated with the exhaust pipeline; the first bypass pipe is arranged on the bypass part and is provided with a second inner cavity communicated with the first inner cavity, and the first inner cavity and the second inner cavity are equal in diameter; the plug is arranged at one end of the first bypass pipe, which is far away from the three-way valve, and is used for plugging the second inner cavity; the sliding rod is arranged on the plug and penetrates through the second inner cavity and extends into the first inner cavity; the sliding ring is connected with the sliding rod in a sliding and sealing mode, can slide to the first inner cavity or the second inner cavity and is connected with the bypass part or the first bypass pipe in a sealing mode; the two ends of the compression spring are respectively connected with the sliding ring and the plug; the sliding ring, the plug and the first bypass pipe are all made of conducting materials, the bypass portion is made of insulating materials, and the first bypass pipe and the plug are all electrically connected with the air pump.
Description
Technical Field
The utility model relates to a gas cylinder filling field, in particular to aerify detection valve and gas cylinder aerating device.
Background
In the existing gas cylinder filling process, in order to conveniently sub-package gas in a high-pressure gas cylinder, the high-pressure gas cylinder is generally connected with a busbar and then connected with a plurality of low-pressure gas cylinders through the busbar, and the gas in the high-pressure gas cylinder can be uniformly filled into the plurality of low-pressure gas cylinders due to pressure difference; when the method is adopted for filling, when the air pressure of the high-pressure air bottle and the air pressure of the low-pressure air bottle are balanced, the high-pressure air bottle cannot be filled continuously, and a part of air in the high-pressure air bottle is wasted.
Therefore, the prior art improves the filling method, and after the air pressure is balanced, the air in the high-pressure air bottle is pumped by using an air pump and filled into the low-pressure air bottle; because the switch of the air pump is manually controlled by field operators, the air pumping efficiency is low, and the gas pressure in the high-pressure gas cylinder is easily too low to cause the high-pressure gas cylinder to collapse.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an aerify check valve can open and stop when the gas cylinder filling automatic control aspiration pump to can prevent that high-pressure gas cylinder atmospheric pressure from crossing low excessively.
The utility model discloses an aerify check valve, include: the three-way valve is provided with an exhaust pipeline for communicating the high-pressure gas cylinder with the air pump; the bypass part is arranged on one side of the three-way valve and is provided with a first inner cavity communicated with the exhaust pipeline; the first bypass pipe is arranged on the bypass part and is provided with a second inner cavity communicated with the first inner cavity, and the first inner cavity and the second inner cavity are equal in diameter; the plug is arranged at one end of the first bypass pipe, which is far away from the three-way valve, and is used for plugging the second inner cavity; the sliding rod is arranged on the plug and penetrates through the second inner cavity and extends into the first inner cavity; the sliding ring is connected with the sliding rod in a sliding and sealing mode, can slide to the first inner cavity or the second inner cavity and is connected with the bypass part or the first bypass pipe in a sealing mode; the two ends of the compression spring are respectively connected with the sliding ring and the plug; the sliding ring, the plug and the first bypass pipe are all made of conducting materials, the bypass portion is made of insulating materials, and the first bypass pipe and the plug are all electrically connected with the air pump.
Furthermore, the compression spring is sleeved on the sliding rod.
Further, a first pole lug is arranged on the first bypass pipe.
Further, a second tab is arranged on the plug.
Furthermore, a hexagonal head is arranged on the plug, and a second pole lug is arranged on the hexagonal head.
Furthermore, a second bypass pipe is arranged at one end, away from the bypass part, of the first bypass pipe, the second bypass pipe is provided with a third inner cavity which is communicated with the second inner cavity and has the same diameter, the plug is connected to one end, away from the first bypass pipe, of the second bypass pipe and plugs the third inner cavity, the slide rod penetrates through the third inner cavity, and the second bypass pipe is made of an insulating material.
Further, the bypass portion and the second bypass pipe are both made of plastic.
Furthermore, two hexagonal nuts are arranged at two ends of the exhaust pipeline, and the three-way valve is respectively connected with the high-pressure gas cylinder and the air pump through the two hexagonal nuts.
Further, the bypass portion is in threaded connection with the first bypass pipe.
The utility model discloses another aspect still discloses a gas cylinder aerating device, include: a high pressure gas cylinder; the inflation detection valve is connected with a high-pressure gas cylinder; the air pump is connected with the inflation detection valve; the busbar is connected with the air pump, and the plurality of low-pressure gas cylinders are connected with the busbar.
Use the utility model discloses an aerify the check valve, when using, because be sealed cooperation between slip ring and pipeline and slip ring and the slide bar, the slip ring receives the atmospheric pressure left and right sides to slide towards the end cap, when compression spring's elasticity and the gas pressure that the slip ring received are balanced, the slip ring is static, when atmospheric pressure in the high-pressure gas cylinder reduces gradually, the slip ring slides towards the three-way valve gradually, when the slip ring contacts with first bypass pipe, the power supply circuit of aspiration pump is put through to slip ring, end cap and first bypass pipe, the aspiration pump circular telegram begins to bleed, when atmospheric pressure descends to a certain degree, slip ring roll-off first bypass pipe, contact with bypass portion, because bypass portion is made by insulating material, the power supply circuit of aspiration pump disconnection this moment, the aspiration pump stop work; here, the air pump relies on the atmospheric pressure change in the high-pressure gas cylinder to open automatically and stop, and the air pump automatic stop when gas pressure is less than certain numerical value in the high-pressure gas cylinder, has effectively prevented the condition that high-pressure gas cylinder gas pressure that manual control air pump brought is low excessively.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a gas cylinder inflator according to an embodiment of the present invention;
FIG. 2 is an isometric view of an inflation sensing valve according to an embodiment of the present invention;
FIG. 3 is an exploded view of an inflation sensing valve according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an inflation sensing valve in accordance with an embodiment of the present invention;
the above figures contain the following reference numerals.
| Reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | High- | 241 | |
| 200 | | 242 | |
| 210 | Three- | 243 | |
| 211 | Bypass | 250 | |
| 212 | Hexagon | 260 | |
| 220 | | 300 | |
| 221 | | 400 | |
| 230 | Second by- | 500 | Low- |
| 240 | Plug |
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 2 to 4, an inflation sensing valve 200 according to an aspect of the present invention includes: a three-way valve 210 provided with an exhaust line for communicating the high-pressure gas cylinder 100 and the suction pump 300; a bypass portion 211 provided at one side of the three-way valve 210 and having a first inner chamber communicated with the exhaust line; a first bypass pipe 220 provided on the bypass portion 211 and having a second inner chamber communicated with the first inner chamber, the first inner chamber and the second inner chamber having the same diameter; the plug 240 is arranged at one end of the first bypass pipe 220 far away from the three-way valve 210 and is used for plugging the second inner cavity; the sliding rod 242 is arranged on the plug 240, and the sliding rod 242 penetrates through the second inner cavity and extends into the first inner cavity; the sliding ring 250 is connected with the sliding rod 242 in a sliding and sealing mode, and the sliding ring 250 can slide to the first inner cavity or the second inner cavity and is connected with the bypass part 211 or the first bypass pipe 220 in a sealing mode; a compression spring 260 having both ends connected to the slip ring 250 and the plug 240, respectively; the slip ring 250, the plug 240, and the first bypass pipe 220 are made of a conductive material, the bypass portion 211 is made of an insulating material, and the first bypass pipe 220 and the plug 240 are electrically connected to the air pump 300.
When the inflation detection valve 200 of the present embodiment is used, since the sliding ring 250 and the pipeline and the sliding ring 250 and the sliding rod 242 are in sealing fit, the sliding ring 250 slides towards the plug 240 when the sliding ring 250 is subjected to air pressure, when the elastic force of the compression spring 260 is balanced with the air pressure applied to the sliding ring 250, the sliding ring 250 is stationary, when the air pressure in the high-pressure gas cylinder 100 gradually decreases, the sliding ring 250 gradually slides towards the three-way valve 210, when the sliding ring 250 contacts the first bypass pipe 220, the sliding ring 250, the plug 240 and the first bypass pipe 220 are connected to the power supply circuit of the air pump 300, the air pump 300 is powered on to start air extraction, when the air pressure decreases to a certain degree, the sliding ring 250 slides out of the first bypass pipe 220 to contact with the bypass portion 211, and since the bypass portion 211 is made of an insulating material, the power supply circuit of the air pump 300 is disconnected at this time, and; here, the air pump 300 is automatically started and stopped depending on the air pressure change in the high-pressure air bottle 100, and the air pump 300 is automatically stopped when the air pressure in the high-pressure air bottle 100 is lower than a certain value, so that the condition that the air pressure in the high-pressure air bottle 100 is too low due to the fact that the air pump 300 is manually controlled is effectively prevented.
In particular, the definition of the high-pressure cylinders and the low-pressure cylinders in the present embodiment can be determined with reference to the TSG R0006-2014 cylinder safety technology supervision procedure.
Specifically, assume that when the gas pressure of the high-pressure gas cylinder 100 falls to p1At this time, the suction pump 300 is automatically started, and then p is present at this time1S0=kΔx1In which S is0K is the elastic coefficient of the compression spring 260, Δ x, which is the cross-sectional area of the slip ring 2501The amount of compression of the spring when the sliding ring 250 is slid to this position; when the suction pump 300 is started, the pressure of the high pressure gas cylinder 100 continues to decrease to p2At this time, there is p2S0=kΔx2Wherein Δ x2The amount of compression of the compression spring 260 when the sliding ring 250 is slid to this position; according to p1And p2Can calculate delta x by the set value1And Δ x2The difference is the length of the second lumen in the first bypass tube 220.
It is understood that the suction pump 300 may be selected from suction pumps 300 that are well known in the art, such as a reciprocating vacuum pump, a rotary vacuum pump, etc.
As shown in fig. 4, in order to save the installation space of the spring and prevent the spring from exerting an eccentric force on the sliding ring 250, the compression spring 260 is sleeved on the sliding rod 242.
As shown in fig. 2 and 3, in order to facilitate electrical connection between the first bypass 220 and the air pump 300 and to facilitate wiring, a first tab 221 may be disposed on the first bypass 220 for connecting a power supply circuit of the air pump 300, wherein the first tab 221 may be integrally formed with the body of the first bypass 220 by using a conductive metal material.
It is understood that a second tab 241 may be provided on the plug 240 to facilitate connection.
Specifically, as shown in fig. 2, a hexagonal head 243 is disposed on the plug 240, and the second pole lug 241 is disposed on the hexagonal head 243; when the plug 240 needs to be installed, a double offset ring spanner or an open end spanner can be selected to be matched with the hexagonal head 243, so that the plug 240 can be screwed in, and the installation firmness of the plug 240 is guaranteed.
As shown in fig. 2 and 4, a second bypass pipe 230 is arranged at one end of the first bypass pipe 220 away from the bypass portion 211, the second bypass pipe 230 has a third inner cavity which is communicated with the second inner cavity and has the same diameter, a plug 240 is connected to one end of the second bypass pipe 230 away from the first bypass pipe 220 and blocks the third inner cavity, a sliding rod 242 passes through the third inner cavity, and the second bypass pipe 230 is made of an insulating material; when the gas charging detection valve 200 is mounted on the high-pressure gas cylinder 100 and is ventilated, the gas pressure in the high-pressure gas cylinder 100 is higher, the compression amount of the spring is higher, at this time, the sliding ring 250 can slide out of the first bypass pipe 220 and contact with the second bypass pipe 230, the power supply circuit of the air pump 300 is cut off, the air pump 300 does not work, the gas in the high-pressure gas cylinder 100 can enter the low-pressure gas cylinder 500 under the action of the gas pressure, and when the gas pressure in the high-pressure gas cylinder 100 is reduced to a certain degree, the power supply circuit of the air pump 300 is switched on; the service life of the air pump 300 is effectively prolonged while the energy is saved.
In order to ensure the insulating property of the bypass portion 211 and the second bypass pipe 230, the bypass portion 211 and the second bypass pipe 230 are made of plastic; the entire three-way valve 210 including the bypass portion 211 may be made of plastic, and pipe threads for connection are correspondingly formed thereon.
Further, the connection of the plug 240 and the second bypass pipe 230, the connection of the second bypass pipe 230 and the first bypass pipe 220, and the connection of the first bypass pipe 220 and the bypass portion 211 may be pipe-threaded connections for preventing gas leakage.
As shown in fig. 2, in order to facilitate the connection between the inflation detection valve 200 and the high-pressure gas cylinder 100 and the connection between the inflation detection valve 200 and the suction pump 300, two hexagon nuts 212 are disposed at two ends of the exhaust pipeline, and the three-way valve 210 is connected to the high-pressure gas cylinder 100 and the suction pump 300 through the two hexagon nuts 212, respectively; referring to the structure of the three-way valve 210 in the prior art, two hexagonal nuts 212 are provided as movable nuts, and corresponding pipe threads are formed inside the nuts, as shown in fig. 2.
As shown in fig. 1, the utility model also provides a gas cylinder aerating device, include: a high-pressure gas cylinder 100; the inflation detection valve 200 is connected to the high-pressure gas cylinder 100; the air pump 300 is connected with the inflation detection valve 200; the manifold 400 is connected to the suction pump 300, and the plurality of low-pressure gas cylinders 500 are connected to the manifold 400.
The inflation detection valve 200 may be mounted at the gas outlet of the high pressure gas cylinder 100 by a movable nut, which facilitates the detachment and replacement of the high pressure gas cylinder 100.
It is to be noted that the connecting lines indicated by solid lines in fig. 1 refer to gas lines, and the connecting lines indicated by broken lines in fig. 1 refer to electric circuits.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. An inflation sensing valve, comprising:
the three-way valve (210) is provided with an exhaust pipeline for communicating the high-pressure gas cylinder (100) with the air pump (300);
a bypass section (211) provided on one side of the three-way valve (210) and having a first inner chamber communicating with the exhaust line;
a first bypass pipe (220) which is provided on the bypass portion (211) and has a second inner chamber communicating with the first inner chamber, and the first inner chamber and the second inner chamber have the same diameter;
the plug (240) is arranged at one end, far away from the three-way valve (210), of the first bypass pipe (220) and is used for plugging the second inner cavity;
the sliding rod (242) is arranged on the plug (240), and the sliding rod (242) penetrates through the second inner cavity and extends into the first inner cavity;
a sliding ring (250) in sliding sealing connection with the sliding rod (242), the sliding ring (250) being slidable to the first or second inner cavity and in sealing connection with the bypass (211) or the first bypass pipe (220);
a compression spring (260) with two ends respectively connected with the sliding ring (250) and the plug (240); the sliding ring (250), the plug (240) and the first bypass pipe (220) are all made of conductive materials, the bypass portion (211) is made of insulating materials, and the first bypass pipe (220) and the plug (240) are all electrically connected with the air pump (300).
2. The inflation sensing valve of claim 1, wherein the compression spring (260) is sleeved over the sliding rod (242).
3. The charge sensing valve according to claim 1, wherein a first tab (221) is provided on the first bypass pipe (220).
4. The charge sensing valve according to claim 2, wherein a second tab (241) is provided on the plug (240).
5. The inflation sensing valve of claim 4, wherein the plug (240) is provided with a hex head (243), and the second tab (241) is provided on the hex head (243).
6. The inflation detection valve according to claim 1, wherein a second bypass pipe (230) is arranged at one end of the first bypass pipe (220) far away from the bypass portion (211), the second bypass pipe (230) is provided with a third inner cavity which is communicated with the second inner cavity and has the same diameter, the plug (240) is connected to one end of the second bypass pipe (230) far away from the first bypass pipe (220) and blocks the third inner cavity, the sliding rod (242) penetrates through the third inner cavity, and the second bypass pipe (230) is made of an insulating material.
7. The charge detection valve according to claim 6, wherein the bypass portion (211) and the second bypass pipe (230) are both made of plastic.
8. The inflation detection valve according to claim 1, wherein two hexagon nuts (212) are disposed at two ends of the exhaust pipeline, and the three-way valve (210) is connected to the high-pressure gas cylinder (100) and the suction pump (300) through the two hexagon nuts (212), respectively.
9. The charge sensing valve according to claim 1, wherein the bypass portion (211) and the first bypass pipe (220) are screw-connected.
10. A gas cylinder inflator, comprising:
a high-pressure gas cylinder (100);
the charge detection valve (200) of any of claims 1 to 9, connected to the high pressure gas cylinder (100);
the air suction pump (300) is connected with the inflation detection valve (200);
a bus bar (400) connected to the suction pump (300),
a plurality of low pressure gas cylinders (500) connected to the bus bar (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244428.8U CN212840681U (en) | 2020-06-29 | 2020-06-29 | Inflation detection valve and gas cylinder inflation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244428.8U CN212840681U (en) | 2020-06-29 | 2020-06-29 | Inflation detection valve and gas cylinder inflation device |
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| Publication Number | Publication Date |
|---|---|
| CN212840681U true CN212840681U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021244428.8U Active CN212840681U (en) | 2020-06-29 | 2020-06-29 | Inflation detection valve and gas cylinder inflation device |
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| CN (1) | CN212840681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115067750A (en) * | 2022-08-11 | 2022-09-20 | 珠海格力电器股份有限公司 | Bubble water machine and control method and control device thereof |
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2020
- 2020-06-29 CN CN202021244428.8U patent/CN212840681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115067750A (en) * | 2022-08-11 | 2022-09-20 | 珠海格力电器股份有限公司 | Bubble water machine and control method and control device thereof |
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