CN112483876B - Integrated air charging device - Google Patents
Integrated air charging device Download PDFInfo
- Publication number
- CN112483876B CN112483876B CN202011250240.9A CN202011250240A CN112483876B CN 112483876 B CN112483876 B CN 112483876B CN 202011250240 A CN202011250240 A CN 202011250240A CN 112483876 B CN112483876 B CN 112483876B
- Authority
- CN
- China
- Prior art keywords
- valve
- gas
- air
- air bag
- hole
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/035—Orientation with substantially horizontal main axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/035—High pressure (>10 bar)
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention provides an integrated inflation device, which comprises a gas cylinder assembly, a rotary valve assembly and a pressure reducing valve assembly; the gas cylinder assembly comprises a gas cylinder body and a valve seat connected with the gas cylinder body, a valve hole for accommodating the rotary valve assembly and allowing the rotary valve assembly to rotate is formed in the valve seat, a communicated gas passage is formed between the valve hole and the opposite rotating surface of the rotary valve assembly, gas holes are correspondingly formed in two side walls of the valve hole, the gas hole in one side is an outlet of the gas cylinder body, and the gas hole in the other side is used for being communicated with the gas passage of the pressure reducing valve assembly; the rotary valve component is provided with a sealing part; the pressure reducing valve assembly comprises a valve body, an axially moving valve core is arranged in the valve body, a sealing gasket is arranged at one end of the valve core, and the sealing part and the sealing gasket can be respectively used for opening and closing air holes in two sides, so that the functions of quick on-off and pressure stabilization are realized. The invention can start to cut off or connect the gas circuit according to the inflation pressure, and maintain the pressure stability, and has convenient operation and high reliability.
Description
Technical Field
The invention relates to the technical field of inflation devices, in particular to an integrated inflation device.
Background
At present, medical hemostatic air bags which are researched and developed at home and abroad need to be inflated through an inflating device, at present, manual inflating devices mostly adopt a manual extrusion sacculus to inflate, the use is inconvenient, and the inflating speed is slow. Although the electric air pump can realize a quick inflation function, the electronic air pump is large in size and inconvenient to carry.
And the common inflating device can not automatically switch on and off along with the air pressure of the inflated equipment, and the pressure is uncontrollable, so that the application of the hemostatic air bag and the inflating device is limited.
It is therefore desirable to develop a quick and steady pressure inflation device.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an integrated inflating device which is high in inflating speed and convenient to operate.
The technical scheme adopted by the invention is as follows:
an integrated inflation device comprises a gas cylinder assembly, a rotary valve assembly inserted with the gas cylinder assembly, and a pressure reducing valve assembly fixedly connected with the gas cylinder assembly and used for connecting external equipment to be inflated;
the gas cylinder assembly comprises a gas cylinder body and a valve seat connected with the gas cylinder body, a valve hole for accommodating the rotary valve assembly and allowing the rotary valve assembly to rotate is formed in the valve seat, a communicated gas channel is formed between the valve hole and the opposite rotating surface of the rotary valve assembly, gas holes are correspondingly formed in two side walls of the valve hole, one gas hole is an outlet of the gas cylinder body, and the other gas hole is used for being communicated with the gas channel of the pressure reducing valve assembly;
the rotary valve component is provided with a sealing part for sealing the outlet of the air bottle body;
the pressure reducing valve assembly comprises a valve body, a valve core which moves axially is arranged in the valve body, a sealing gasket matched with the corresponding side air hole is arranged at one end of the valve core, and when the valve core moves axially, the air hole communicated with the air passage of the pressure reducing valve assembly is opened or sealed by the sealing gasket, so that the functions of quick on-off and pressure stabilization are realized.
The other end of the valve core is connected with a driving air bag communicated with an internal air passage of the valve core, and one end of the valve body is provided with an inflating joint communicated with the driving air bag and used for connecting to-be-inflated equipment; the driving air bag is of an annular structure, one side of the driving air bag is fixedly connected with the valve core, and the other side of the driving air bag is connected with the inner wall of the valve body.
A limiting bulge is arranged on the outer side surface of one end of the valve body; and a limiting part for limiting the axial movement of the valve core is arranged in the valve body.
The end part of the valve seat is provided with a connecting seat which is inserted with the pressure reducing valve assembly, and the side surface of the connecting seat is provided with a plurality of connecting holes which are matched with the limiting bulges; and a sealing element is arranged on the contact end face of the end part of the valve body and the connecting seat.
The valve body is fixedly connected with the first valve body and the second valve body into a whole, the inflation connector is arranged on the outer side of the second valve body, one side of the driving air bag is connected with the inner wall surface of the second valve body, and the other side of the driving air bag is connected with the valve core.
The structure of the rotary valve component comprises a rotating handle part for applying external force, and a rotating shaft part matched with the valve hole is connected on the rotating handle part; the circumference side of the rotating shaft part is provided with a mounting groove, an axial sealing ring is arranged in the mounting groove, and when the rotating shaft part rotates, the axial sealing ring can seal the corresponding air hole on the side wall of the valve hole.
The rotating shaft part is provided with an exhaust groove on the opposite side of the axial sealing ring, the exhaust groove extends into an arc-shaped groove along the circumferential direction on the circumferential side surface of the rotating shaft part, and the corresponding central angle is more than or equal to 180 degrees;
when the rotary valve component rotates in the valve hole, the exhaust groove is matched with the air holes on the two side walls of the valve hole to communicate the air passage.
The last circumference direction that still is equipped with of pivot portion is equipped with circumference sealing washer and retaining ring, the circumference sealing washer seals the contact surface of rotary valve subassembly and valve opening, the retaining ring with the valve opening cooperation is fixed a position pivot portion.
The gas cylinder body is in threaded connection with the valve seat, and a sealing piece is arranged on the contact surface.
The gas cylinder is used for storing liquefied gas, and the liquefied gas is liquid tetrafluoroethane or liquid carbon dioxide.
The invention has the following beneficial effects:
the integrated inflating device designed by the invention realizes the closing and opening states through the rotation of the rotary valve component, liquefied gas can be stored in the inflating device for a long time in the closing state and is convenient to carry and transport, and the internal gas path is communicated in the opening state, so that the rapid inflating operation of the external hemostatic gas bag can be realized, the operation is convenient and fast, and the stability is strong.
The automatic air passage cut-off device realizes the automatic following of the pressure of external equipment to be inflated by driving the air bag, when the air bag is inflated to a specific pressure, the air bag is driven to be pressurized to be customized, the inflation volume is increased to drive the valve core to move, so that the sealing gasket seals the air outlet of the valve hole, and the function of automatically and quickly cutting off the air passage is realized; when the pressure is reduced, the air bag is driven to release the pressure, the volume is reduced, the valve core returns, and the sealing gasket is separated from the air outlet, so that the automatic quick inflation function is realized. Therefore, the invention can automatically switch on and off according to the inflation pressure and maintain the pressure stability, and has high reliability.
Drawings
Fig. 1 is a schematic cross-sectional structural view of the gas path cutting state of the present invention.
Fig. 2 is a schematic structural view of the gas cylinder assembly of the present invention.
Fig. 3 is a schematic structural view of the rotary valve assembly of the present invention.
Fig. 4 is a schematic structural view of the pressure relief valve assembly of the present invention.
FIG. 5 is a schematic cross-sectional view of the gas path communication state of the present invention
Fig. 6 is a schematic perspective view of the present invention.
In the figure: 1. a gas cylinder assembly; 2. a rotary valve assembly; 21. a rotating shaft part; 22. a circumferential seal ring; 23. an axial seal ring; 24. a retainer ring; 25. a handle part is rotated; 211. an exhaust groove; 3. a pressure relief valve assembly; 31. a first valve body; 32. a valve core; 33. driving the air bag; 34. a second valve body; 35. a second seal ring; 36. a gasket; 37. a first seal ring; 311. a limiting bulge; 341. an inflation joint; 11. a gas cylinder body; 12. a liquefied gas; 14. a valve seat; 141. a valve bore; 142. an air outlet; 143. connecting holes; 144. an air inlet; 145. a connecting seat.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, 2 and 6, the integrated inflator of the present embodiment includes a gas cylinder assembly 1, a rotary valve assembly 2 inserted into the gas cylinder assembly 1, and a pressure reducing valve assembly 3 fixedly connected to the gas cylinder assembly 1;
as shown in fig. 1 and 2, the gas cylinder assembly 1 includes a gas cylinder 11 for storing liquefied gas 12, a valve seat 14 connected to the gas cylinder 11, the valve seat 14 having a valve hole 141 for receiving the rotary valve assembly 2 and allowing the rotary valve assembly 2 to rotate, a communicating gas passage formed between the valve hole 141 and the opposite rotating surface of the rotary valve assembly 2, and gas holes correspondingly formed on both side walls of the valve hole 141, wherein one side of the gas holes is a gas inlet 144 serving as an outlet of the gas cylinder 11, and the other side of the gas holes is a gas outlet 142 for communicating with the gas passage of the pressure reducing valve assembly 3;
the rotary valve assembly 2 is provided with a sealing part for sealing the air inlet 144;
as shown in fig. 4, the pressure reducing valve assembly 3 includes a valve body, a valve core 32 moving axially is arranged in the valve body, a sealing gasket 36 matching with a corresponding side air hole (air outlet 142) is arranged at one end of the valve core 32, the size of the sealing gasket 36 is larger than the aperture of the air outlet 142, and when the valve core 32 moves axially, the air outlet 142 is opened or sealed by the sealing gasket 36, so as to realize the functions of quick on-off and pressure stabilization.
The other end of the valve core 32 is connected with a driving air bag 33 communicated with an internal air passage of the valve core, and one end of the valve body is provided with an inflating joint 341 communicated with the driving air bag 33 and used for connecting to-be-inflated equipment; the driving air bag 33 is of an annular structure, one side of the driving air bag is fixedly connected with the valve core 32, and the other side of the driving air bag is connected with the inner wall of the valve body.
The outer side surface of one end of the valve body is provided with a limiting bulge 311; the valve body is internally provided with a limiting part for limiting the axial movement of the valve core 32.
The end of the valve seat 14 is provided with a connecting seat 145 inserted with the pressure reducing valve assembly 3, and the side surface of the connecting seat 145 is provided with a plurality of connecting holes 143 matched with the limiting protrusions 311; and a sealing element is arranged on the contact end surface of the end part of the valve body and the connecting seat 145.
The valve body is fixedly connected with the first valve body 31 and the second valve body 34 into a whole, the inflation connector 341 is arranged on the outer side of the second valve body 34, one side of the driving air bag 33 is connected with the inner side wall surface of the second valve body 34, and the other side is connected with the valve core 32.
Specifically, as shown in fig. 2, the end of the valve seat 14 is provided with a connecting seat 145 inserted into the pressure reducing valve assembly 3, and the side surface of the connecting seat 145 is provided with a plurality of connecting holes 143 engaged with the limiting protrusions 311;
specifically, a protrusion corresponding to the air outlet 142 is disposed on the inner side of the connecting seat 145, and the sealing pad 36 at the end of the valve element 32 is matched with the protrusion to seal the air outlet 142.
Specifically, the gasket 36 may be a rubber gasket or the like.
And a sealing element is arranged on the contact end surface of the end part of the valve body and the connecting seat 145.
Specifically, the valve body is formed by fixedly connecting a first valve body 31 and a second valve body 34 into a whole, a space for accommodating a valve core 32 is formed in the first valve body 31 and the second valve body 34, and an air flow channel inside the valve core 32 is communicated with the air flow channels of the first valve body 31 and the second valve body 34;
specifically, a first sealing ring 37 is arranged on the contact surface of the end part of the first valve body 31 and the connecting seat 145, and is installed in an installation groove at the end part of the first valve body 31;
specifically, the inflation connector 341 is disposed outside the second valve body 34, one side of the driving airbag 33 is connected to the inner side wall surface of the second valve body 34, and the other side is connected to the valve core 32;
specifically, a limiting portion for limiting the axial movement of the valve element 32 is arranged in the valve body, the limiting portion is determined by the structures of the first valve body 31 and the second valve body 34, the cross section of the first valve body 31 is integrally T-shaped, the corresponding valve element 32 is also T-shaped, and as shown in fig. 5, when the valve element 32 moves leftwards, the valve element is prevented from being disengaged by matching with a shoulder of the first valve body 31.
Specifically, a second sealing ring 35 is arranged on the contact surface of the outer side of the valve core 32 and the inner side of the first valve body 31, and is arranged in a mounting groove on the outer side surface of the valve core 32.
Specifically, the left side of the driving air bag 33 is connected with the right end face of the valve core 32, and the right side of the driving air bag 33 is connected with the inner side wall face of the second valve body 34;
specifically, the inflator of the present embodiment always maintains the same air pressure of the driving bag 33 and the external device to be inflated when externally inflating, and the volume of the driving bag 33 gradually increases during inflation. When the air pressure is small when the air inflation is started, the volume of the driving air bag 33 is increased little, the pressure of the external equipment to be inflated is gradually increased at any time, the driving air bag 33 is increased in volume, the valve core 32 is driven to move leftwards, when the pressure of the external equipment to be inflated reaches a set value, the volume of the driving air bag 33 reaches the maximum value, the valve core 32 moves to the leftmost end, and the sealing gasket 36 seals the air outlet 142 at the moment, so that the automatic quick cut-off function after a specific inflation pressure value is achieved is realized.
As shown in fig. 3, the rotary valve assembly 2 is constructed to include a stem portion 25 for applying an external force, to which a rotary shaft portion 21 fitted with a valve hole 141 is connected; the circumferential side surface of the rotating shaft part 21 is provided with a mounting groove, an axial sealing ring 23 is arranged in the mounting groove, and when the rotating shaft part 21 rotates, the axial sealing ring 23 can seal the air hole on the corresponding side wall of the valve hole 141.
Specifically, as shown in fig. 1, when the axial seal ring 23 rotates to the left, the air inlet 144 is sealed, so as to cut off the air path; as shown in fig. 5, when the axial seal ring 23 is rotated away from the left side, the air passages are communicated again.
In order to accelerate the inflation speed, an exhaust groove 211 is arranged on the rotating shaft part 21 at the opposite side of the axial sealing ring 23, the exhaust groove extends into an arc-shaped groove along the circumferential direction on the circumferential side surface of the rotating shaft part 21, and the corresponding central angle is more than or equal to 180 degrees; when the rotary valve assembly 2 rotates in the valve hole 141, the discharge grooves 211 are engaged with the air holes of both side walls of the valve hole 141 to communicate the air passages.
Specifically, when the rotary valve assembly 2 rotates to a specific angle in the valve hole 141, two ends of the exhaust groove 211 are respectively butted with the air inlet 144 and the air outlet 142 to form a communicated air path, and after rotating by another angle, only one end of the exhaust groove 211 is butted with the air outlet 142, the other end of the exhaust groove 211 cannot be butted with the air inlet 144, and the air inlet 144 is further blocked by the axial sealing ring 23, so that the air path is cut off.
A circumferential sealing ring 22 and a retaining ring 24 are further arranged on the rotating shaft part 21 along the circumferential direction, and the circumferential sealing ring 22 seals the contact surface of the rotating valve component 2 and the valve hole 141 to prevent gas from leaking from other gaps;
the retainer ring 24 is fitted to the valve hole 141 to position the rotary shaft 21.
Specifically, the circumferential seal ring 22 is fitted in a seal ring mounting groove in the side of the rotating shaft portion 21, and the axial seal ring 23 is mounted in a seal ring mounting groove in the side of the rotating shaft portion 21.
Specifically, the gas cylinder body 11 is screwed with the valve seat 14, and is provided with a seal member on the contact surface.
Specifically, liquefied gas 12 may be liquefied gas such as liquid tetrafluoroethane or liquid carbon dioxide;
specifically, the inflation fitting 341 may be a standard luer fitting, a taper fitting, or the like.
The specific implementation process is as follows:
the rotary valve assembly 2 is inserted into a lateral valve hole 141 of the valve seat 14, and the pressure reducing valve assembly 3 is inserted into a connecting seat 145 at an end of the valve seat 14 and is fixedly connected to the valve seat 14.
The rotary valve assembly 2 is in a closed state in a storage state, the high-pressure liquefied gas 12 is stored in the gas cylinder assembly 1, and the integrated gas charging device in the closed state of the rotary valve assembly 2 can be stored for a long time.
When in use, the inflation connector 341 at the end of the pressure reducing valve assembly 3 is connected to the inflation port of the medical hemostatic air bag to be inflated, and then the rotary valve assembly 2 is rotated 90 degrees counterclockwise, the rotary valve assembly 2 is opened, the air inlet 144, the air discharge groove 211 and the air outlet 142 are communicated, the liquefied gas 12 flows out from the gas outlet of the gas cylinder 11, namely the air inlet 144 of the valve hole 141, is discharged from the air outlet 142, flows through the air passage in the valve body and the valve core 32 in the pressure reducing valve assembly 3, and flows into the hemostatic air bag to be inflated through the inflation connector 341, and the gas outflow path is shown by the dotted line in fig. 5.
The quick inflation function is realized through the rotation of the rotary valve component 2, and the operation is convenient. The rotary valve assembly 2 is rotated again to align the center of the axial seal ring 23 with the air inlet 144, and the air inlet 144 is blocked by the axial seal ring 23, so that the air passage can be cut off from the air inlet 144.
In the process of inflation, the driving air bag 33 slowly expands all the time, and keeps the same with the internal air pressure of the hemostatic air bag, when the internal air pressure of the hemostatic air bag reaches the preset air pressure, the driving air bag 33 in the pressure reducing valve assembly 3 expands to a certain volume, as shown in fig. 5, the increased volume is enough to push the valve core 32 in the pressure reducing valve assembly 3 to move leftward, so that the sealing gasket 36 can block the air outlet 142 to seal the air outlet 142. When the pressure of the hemostatic air bag is reduced, the pressure in the driving air bag 33 is reduced, the volume is reduced, the valve core 32 is returned, the sealing gasket 36 is separated from the air outlet 142, and the air flows out, so that the effects of quick automatic inflation and pressure stabilization are achieved.
Claims (3)
1. The integrated inflating device is characterized by comprising a gas cylinder assembly (1), a rotary valve assembly (2) inserted with the gas cylinder assembly (1), and a pressure reducing valve assembly (3) fixedly connected with the gas cylinder assembly (1) and used for connecting external equipment to be inflated;
the gas cylinder assembly (1) comprises a gas cylinder body (11) and a valve seat (14) connected with the gas cylinder body (11), wherein the valve seat (14) is provided with a valve hole (141) for accommodating the rotary valve assembly (2) and allowing the rotary valve assembly (2) to rotate, a communicated gas passage is formed between the valve hole (141) and the relative rotating surface of the rotary valve assembly (2), gas holes are correspondingly formed in two side walls of the valve hole (141), one side of the gas hole is a gas inlet (144) and serves as an outlet of the gas cylinder body (11), and the other side of the gas hole is a gas outlet (142) and is used for being communicated with the gas passage of the pressure reducing valve assembly (3); the rotary valve component (2) is provided with a sealing part for sealing the outlet of the air bottle body (11);
the pressure reducing valve assembly (3) comprises a valve body, a valve core (32) which moves axially is arranged in the valve body, a sealing gasket (36) which is matched with an air hole on the corresponding side is arranged at one end of the valve core (32), and when the valve core (32) moves axially, the air hole communicated with an air passage of the pressure reducing valve assembly (3) is opened or sealed by the sealing gasket (36), so that the functions of quick on-off and pressure stabilization are realized; the other end of the valve core (32) is connected with a driving air bag (33) communicated with an internal air passage of the valve core (32), and one end of the valve body is provided with an inflating joint (341) communicated with the driving air bag (33) and used for connecting to-be-inflated equipment; the driving air bag (33) is of an annular structure, one side of the driving air bag (33) is fixedly connected with the valve core (32), and the other side of the driving air bag is connected with the inner wall of the valve body;
in the inflation process, the driving air bag (33) is slowly expanded all the time and keeps consistent with the internal air pressure of the hemostasis air bag, and when the internal air pressure of the hemostasis air bag reaches the preset air pressure, the driving air bag (33) is expanded to a certain volume to meet the requirement of pushing the valve core (32) to move, so that the sealing gasket (36) can block the air outlet (142);
the inflation device can automatically follow the internal air pressure of the hemostatic air bag, after the internal air pressure of the hemostatic air bag reaches a set value, the air is prevented from flowing out further by driving the volume change of the air bag (33), the axial movement of the valve core (32) and utilizing the sealing gasket (36) to seal the air outlet (142), when the pressure of the hemostatic air bag is reduced, the internal pressure of the driving air bag (33) is reduced along with the volume reduction, the valve core (32) returns, the sealing gasket (36) is separated from the air outlet (142), and the air flows out;
a limiting bulge (311) is arranged on the outer side surface of one end of the valve body; a limiting part for limiting the axial movement of the valve core (32) is arranged in the valve body;
the end part of the valve seat (14) is provided with a connecting seat (145) which is inserted with the pressure reducing valve component (3), and the side surface of the connecting seat (145) is provided with a plurality of connecting holes (143) which are matched with the limiting bulges (311); a sealing element is arranged on the contact end surface of the end part of the valve body and the connecting seat (145);
the valve body is fixedly connected into a whole by a first valve body (31) and a second valve body (34), an inflation joint (341) is arranged on the outer side of the second valve body (34), one side of the driving air bag (33) is connected with the inner side wall surface of the second valve body (34), and the other side of the driving air bag is connected with the valve core (32);
the rotary valve component (2) structurally comprises a rotary handle part (25) for applying external force, and a rotary shaft part (21) matched with the valve hole (141) is connected to the rotary handle part (25);
an installation groove is formed in the circumferential side face of the rotating shaft part (21), an axial sealing ring (23) is arranged in the installation groove, and when the rotating shaft part (21) rotates, the axial sealing ring (23) can seal an air hole in the corresponding side wall of the valve hole (141);
an exhaust groove (211) is formed in the rotating shaft part (21) and is located on the opposite side of the axial sealing ring (23), the exhaust groove (211) extends into an arc-shaped groove along the circumferential direction on the circumferential side face of the rotating shaft part (21), and the central angle of the arc-shaped groove is larger than or equal to 180 degrees; when the rotary valve component (2) rotates in the valve hole (141), the exhaust groove (211) is matched with air holes on two side walls of the valve hole (141) to communicate an air passage;
the last circumference sealing washer (22) and retaining ring (24) of still being equipped with of pivot portion (21) along the circumferencial direction, circumference sealing washer (22) are sealed to the contact surface of rotary valve subassembly (2) and valve opening (141), retaining ring (24) with valve opening (141) cooperation is fixed a position pivot portion (21).
2. The integrated inflator device according to claim 1, wherein the inflator body (11) is threadedly coupled to the valve seat (14) and has a sealing member provided at a contact surface.
3. The integrated inflator according to claim 1, wherein the gas bottle body (11) is configured to store a liquefied gas (12), and the liquefied gas (12) is liquid tetrafluoroethane or liquid carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011250240.9A CN112483876B (en) | 2020-11-10 | 2020-11-10 | Integrated air charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011250240.9A CN112483876B (en) | 2020-11-10 | 2020-11-10 | Integrated air charging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112483876A CN112483876A (en) | 2021-03-12 |
| CN112483876B true CN112483876B (en) | 2022-04-08 |
Family
ID=74929503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011250240.9A Active CN112483876B (en) | 2020-11-10 | 2020-11-10 | Integrated air charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112483876B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923232A (en) * | 2021-03-26 | 2021-06-08 | 威海宏程机电设备有限公司 | Automatic rotary inflating device for preparing hydrogen storage cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1353112A1 (en) * | 2002-04-10 | 2003-10-15 | Linde Aktiengesellschaft | Cryogenic liquid transfer method |
| US6910510B2 (en) * | 2003-07-16 | 2005-06-28 | Precision Medical, Inc. | Portable, cryogenic gas delivery apparatus |
| CN201502731U (en) * | 2009-09-28 | 2010-06-09 | 江苏亿丰机械制造有限公司 | Automatic-compensation sealed type plug valve |
| CN201547297U (en) * | 2009-11-06 | 2010-08-11 | 上海屹尧仪器科技发展有限公司 | Switch connector of high-pressure air duct |
| CN108204468A (en) * | 2016-12-19 | 2018-06-26 | 株式会社不二工机 | Flow channel switching valve |
| CN211852913U (en) * | 2020-03-18 | 2020-11-03 | 无锡金都机械装备有限公司 | One-way inflation connector |
-
2020
- 2020-11-10 CN CN202011250240.9A patent/CN112483876B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1353112A1 (en) * | 2002-04-10 | 2003-10-15 | Linde Aktiengesellschaft | Cryogenic liquid transfer method |
| US6910510B2 (en) * | 2003-07-16 | 2005-06-28 | Precision Medical, Inc. | Portable, cryogenic gas delivery apparatus |
| CN201502731U (en) * | 2009-09-28 | 2010-06-09 | 江苏亿丰机械制造有限公司 | Automatic-compensation sealed type plug valve |
| CN201547297U (en) * | 2009-11-06 | 2010-08-11 | 上海屹尧仪器科技发展有限公司 | Switch connector of high-pressure air duct |
| CN108204468A (en) * | 2016-12-19 | 2018-06-26 | 株式会社不二工机 | Flow channel switching valve |
| CN211852913U (en) * | 2020-03-18 | 2020-11-03 | 无锡金都机械装备有限公司 | One-way inflation connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112483876A (en) | 2021-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3582731B2 (en) | Device for sealing and expanding inflatables | |
| US8459150B2 (en) | Sealing device | |
| CN112483876B (en) | Integrated air charging device | |
| JP2004518560A6 (en) | Device for sealing and expanding inflatables | |
| ES2206332T3 (en) | BRAKE SYSTEM FOR VEHICLES WITH A PRESSURE GAS DEPOSIT. | |
| EP2433017B1 (en) | Bladder type accumulator | |
| US20090188570A1 (en) | Rapid inflation device | |
| CN1309990C (en) | Refrigeration system service coupling | |
| EP2358518B1 (en) | Kit, with a selection valve, for repairing and inflating inflatable articles | |
| CN108349341B (en) | Bottle cap and using method thereof | |
| JP2007182036A (en) | Connector and connector set | |
| US5462084A (en) | Quick-acting coupling | |
| JP3212106U (en) | Puncture repair device integrated with air filling device | |
| CN110671504B (en) | Butterfly valve | |
| US5984266A (en) | Coupling for a spray apparatus | |
| JP2005519240A (en) | Connection coupling | |
| WO2004109168A1 (en) | Valve for safety tire, filling adaptor with coupler, pressure-releasing adapter, and pressure-releasing method | |
| JP2010167742A (en) | Sealing pump-up apparatus | |
| JP2006117193A (en) | Sealing pump-up device | |
| JP4512501B2 (en) | Tire sealing and pump-up equipment | |
| JP4244313B2 (en) | Sealing / pump-up device and adapter | |
| JP2007203586A (en) | Valve connector | |
| CN220016207U (en) | Wheel switch valve, inflation and deflation system and vehicle | |
| CN218118706U (en) | Change-over valve, change-over system and vehicle | |
| CN111207224B (en) | Ball valve core, control valve and battery liquid injection control mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |