CN109114421B - Quick inflation and deflation connecting device - Google Patents
Quick inflation and deflation connecting device Download PDFInfo
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- CN109114421B CN109114421B CN201811027813.4A CN201811027813A CN109114421B CN 109114421 B CN109114421 B CN 109114421B CN 201811027813 A CN201811027813 A CN 201811027813A CN 109114421 B CN109114421 B CN 109114421B
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- valve
- shifting
- valve rod
- assembly
- shell
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- 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
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
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- 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
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- 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
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- 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
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
Abstract
A quick inflation and deflation connecting device comprises a valve component, a handle, a valve rod component, a shifting and clamping component, a sliding ring, a shell and a joint; the valve rod assembly is arranged in the shell, and the sliding ring is sleeved at the opening end of the shell and used for limiting when the opening end of the shell is connected with an external inflating nozzle; one end of the shifting and clamping component is fixedly connected with the valve rod component, and the other end of the shifting and clamping component is arranged on the shell and is limited through a steel ball; the shifting clamp assembly is shifted to drive the valve rod assembly to rotate, the valve rod assembly is enabled to move axially along the shell through the handle, and the valve assembly is enabled to be opened or closed; the joint is connected with the shell and used for connecting the air path. The valve rod structure innovation realizes the quick switching of the air charging and discharging path of the quick air charging and discharging connecting device. The defect that only one air charging and discharging type can be realized in single installation in the prior art, and when two functions are replaced, an air source needs to be detached or a connector needs to be replaced is overcome. The switching of the air charging and discharging paths is realized by driving the position change of the valve rod through the shifting and clamping assembly, and the air charging and discharging is conveniently and rapidly realized under the condition of not dismounting an air source.
Description
Technical Field
The invention relates to a quick inflation and deflation connecting device which is used on a pressure accumulator of a servo mechanism.
Background
Pressure vessels such as accumulators are commonly used to buffer and store pressure in pressure systems, which require inflation and deflation operations during production, testing and use. At present, the inflation and deflation connecting device used by domestic and external pneumatic hydraulic companies is generally of a single air path structure, and after the inflation operation is completed in the working process, the defect that the deflation operation can be completed only after an air source needs to be detached exists, the function conversion of quick inflation and deflation cannot be realized, and the actual operation is inconvenient because the air plug is needed when a plurality of pressure containers need to be inflated simultaneously.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the quick air charging and discharging connecting device overcomes the defects of the prior art, accords with human-computer ergonomics, can be always connected with an air source in the working process, and meets the air charging and discharging functions of a pressure accumulator of a servo mechanism.
The technical solution of the invention is as follows:
a quick inflation and deflation connection device, comprising: the valve comprises a valve component, a handle, a valve rod component, a shifting and clamping component, a sliding ring, a shell and a joint;
the valve rod assembly is arranged in the shell, and the sliding ring is sleeved at the opening end of the shell and used for limiting when the opening end of the shell is connected with an external inflating nozzle;
one end of the shifting and clamping component is fixedly connected with the valve rod component, and the other end of the shifting and clamping component is arranged on the shell and is limited through a steel ball; the shifting clamp assembly is shifted to drive the valve rod assembly to rotate, the valve rod assembly is enabled to move axially along the shell through the handle, and the valve assembly is enabled to be opened or closed; the joint is connected with the shell and used for connecting the air path.
The handle comprises a lower handle, an upper handle and a top block;
the lower handle and the upper handle are connected into a handle main body, the upper handle is provided with a pin shaft hole, and the top block fixed at the end part of the upper handle is propped against the valve rod assembly.
The valve rod component comprises a rod body, an end head and a valve rod steel ball;
an air passage is axially arranged in the center of the rod body, a valve rod steel ball for sealing is arranged at the port of the air passage, the end of the air passage is connected to the rod body, when the handle is tightly held during inflation, and the jacking block is propped against the valve rod steel ball to seal the port of the air passage of the rod body; when the air is discharged, the top block is propped against the end head and is not contacted with the valve rod steel ball, so that the port of the rod body air passage is not sealed.
The valve assembly comprises a valve, a valve spring and a valve steel ball;
one end of the valve is propped against the rod body through the valve steel ball, the other end of the valve is connected onto the joint through the valve spring, the rod body is provided with the wedge-shaped groove, when the valve is inflated, the shifting and clamping assembly drives the rod body to rotate, the wedge-shaped groove is in a vertical state, the valve rod assembly moves axially, then the valve is pushed through the valve steel ball, and the valve spring elasticity is overcome to open the air circuit.
When the air is discharged, the shifting and clamping assembly drives the rod body to rotate, so that the wedge-shaped groove is in a horizontal state, the valve rod assembly moves axially, the position of the valve steel ball is unchanged, the valve is in a sealing state, and the air path is closed.
The lower handle comprises a hand-holding section and a tail section, the hand-holding section is arranged between the tail section and the upper handle, and the hand-holding section and the tail section are in smooth transition.
The radius of the circular arc of the hand-held section is R48mm, and the radius of the circular arc of the tail section is R80 mm.
The card-shifting assembly comprises a card-shifting, a card-shifting spring, a card-shifting steel ball and a pin shaft; the pin shaft is positioned at the end part of the shifting card, a through hole is formed in the shifting card close to the pin shaft and used for connecting the shifting card with the valve rod assembly, and the shifting card and the valve rod assembly are positioned through the pin shaft; the other end of the shifting block is a hand shifting end, a blind hole facing the shell is arranged in the hand shifting end, and a shifting block spring and a shifting block steel ball for limiting are arranged in the blind hole.
When the valve assembly is opened during inflation, the inflation gas circuit is used for gas to enter from the connector, and after the gas passes through the valve assembly and the valve rod assembly, the gas reaches the opening end of the shell and enters the external inflation nozzle.
When in deflation, the valve assembly is closed, and the deflation gas path is used for gas to enter the opening end of the shell from the external inflating nozzle and deflate through the valve rod assembly.
Compared with the prior art, the invention has the beneficial effects that:
(1) the device is adopted to realize convenient connection and disassembly, the inflation and deflation operation can be realized by one hand, the lower handle holding section and the tail section are tangent and smoothly transited, and the overall structural design accords with the human-machine ergonomics.
(2) The innovative design of the valve rod structure realizes the quick switching of the air charging and discharging paths of the quick air charging and discharging connecting device. The defects that the existing inflation and deflation connecting device is generally a single flow channel, namely, only one function of inflation or deflation can be realized in single installation, and when the two functions are replaced, the air source needs to be detached or the joint needs to be replaced and the like are overcome. The switching of the air charging and discharging circuit of the quick air charging and discharging connecting device is realized by driving the position change of the valve rod through the shifting and clamping assembly, so that the air charging and discharging can be conveniently and quickly realized under the condition of not dismounting an air source.
(3) The integrative lightweight design of casing satisfies the device simultaneously fill, gassing and with outside charging connector high-speed joint's function, not only makes the device structure small and exquisite to the cost has been practiced thrift. The valve rod assembly and the valve assembly are assembled in the shell and realize the inflation function of the quick inflation and deflation connecting device through the steel ball; the valve assembly and the boss structure design of the shell realize the air path sealing of the quick air charging and discharging connecting device. When the air inflation device is used for inflating, the shell boss is separated from the valve assembly, and at the moment, air is inflated through the shell boss gap. When the air is discharged, the boss of the shell is jointed with the sealing surface of the valve assembly to realize sealing. The shell body is provided with a charging and discharging structure and a shifting and clamping assembly which are matched with each other, so that manual, rapid and visual operation of charging and discharging air of the joint is met.
Drawings
FIG. 1 is a front cross-sectional view of the quick air charge and discharge connection device of the present invention;
FIG. 2 is a schematic view of the quick inflation/deflation connection device of the present invention in an inflated state;
FIG. 3 is a schematic view of the quick inflation/deflation connection device of the present invention in a deflation state;
FIG. 4 is a schematic view of the handle structure of the present invention;
FIG. 5 is a schematic view of a valve stem assembly of the present invention; wherein, fig. 5-1 is a structure diagram of the valve stem assembly, fig. 5-2 is a schematic diagram of the valve stem assembly in an inflation state, and fig. 5-3 is a schematic diagram of the valve stem assembly in a deflation state.
FIG. 6 is a schematic view of an end of the present invention; wherein, fig. 6-1 is the outline view of the tip, fig. 6-2 is the schematic view of the inflated state of the tip, and fig. 6-3 is the schematic view of the deflated state of the tip.
FIG. 7 is a schematic view of the shutter assembly of the present invention;
FIG. 8 is a schematic view of a card-dialing assembly according to the present invention;
FIG. 9 is a schematic view of the housing and shutter assembly of the present invention in combination; wherein 9-1 is in an inflated state and 9-2 is in a deflated state.
Fig. 10 is a schematic view of the inflation and deflation structure of the shell of the present invention.
Detailed Description
As shown in fig. 1, the present invention provides a quick inflation/deflation connection device, comprising: the valve assembly comprises a valve assembly 1, a handle 2, a valve rod assembly 3, a shifting and clamping assembly 4, a sliding ring 5, a shell 6 and a joint 7;
the valve rod assembly 3 is arranged in the shell 6, and the sliding ring 5 is sleeved at the opening end of the shell 6 and used for limiting when the opening end of the shell 6 is connected with an external inflating nozzle;
one end of the shifting and clamping component 4 is fixedly connected with the valve rod component 3, and the other end of the shifting and clamping component is arranged on the shell 6 and is limited through steel balls; the shifting block component 4 is shifted to drive the valve rod component 3 to rotate, the valve rod component 3 is axially moved along the shell 6 through the handle 2, and then the valve component 1 is opened or closed; the joint 7 is connected with the shell 6 and used for connecting an air path.
As shown in fig. 2, a is the quick inflation and deflation connecting device of the present invention, B is an external inflation nozzle, and the quick inflation and deflation connecting device and the external inflation nozzle are positioned by steel balls and connected together; the joint 7 is connected with an air source, and an external charging connector is connected with a pressure accumulator. When aerifing, will dial card subassembly 4 and dial to "fill" the position, dial card subassembly 4 and drive valve rod subassembly 3 rotatory, the wedge-shaped groove is in vertical state on the body of rod 31 this moment. At the moment, the handle 2 is held tightly, the rod body 31 moves axially, the external inflating nozzle air path is pushed to be opened, meanwhile, the steel ball in the valve assembly 1 is pushed to move, so that the valve assembly 1 is opened, the inflating air path is used for air to enter from the connector 7, and after the valve assembly 1 and the valve rod assembly 3, the air reaches the opening end of the shell 6 and enters the external inflating nozzle. After the inflation is finished, the quick inflation and deflation connecting device is separated from the external inflation nozzle, the valve assembly 1 is quickly reset under the action of the spring force, so that the quick inflation and deflation connecting device is in a self-sealing state (rubber is in contact sealing with the shell), and the air source is ensured to be airtight.
As shown in figure 3, the quick inflation and deflation connecting device is positioned with the external inflation nozzle through steel balls and connected together. During the gassing, will dial card subassembly 4 and dial to "putting" the position, dial card subassembly 4 and drive valve rod subassembly 3 rotatory, the wedge-shaped groove is in the horizontality on the body of rod 31 this moment. Handle 2 is gripped, and body of rod 31 axial displacement promotes outside charging connector gas circuit and opens, and at this moment, valve subassembly 4 is in encapsulated situation all the time, and the gassing gas circuit is gaseous from outside charging connector entering 6 open ends of casing, the gassing of process valve rod subassembly 3.
As shown in fig. 4, the handle 2 includes a lower handle 21, an upper handle 22, and a top block 23; the lower handle 21 and the upper handle 22 are connected to form a handle body, a pin shaft hole is formed in the upper handle 22, and the top block 23 fixed to the end of the upper handle 22 is pressed against the valve rod assembly 3. The lower handle 21 comprises a hand-holding section and a tail section, the hand-holding section is arranged between the tail section and the upper handle 22, and the hand-holding section and the tail section are in tangent smooth transition. The radius of the circular arc of the hand-held section is R48mm, and the radius of the circular arc of the tail section is R80 mm.
As shown in fig. 5-1, the valve stem assembly 3 comprises a stem body 31, a tip 32 and a valve stem steel ball 33; an air passage is axially arranged in the center of the rod body 31, a valve rod steel ball 33 for sealing is arranged at the port of the air passage, the end head 32 is connected to the rod body 31, when the handle 2 is tightly held, and the jacking block 23 is jacked on the valve rod steel ball 33 to seal the port of the air passage of the rod body 31; when in deflation, the top block 23 is pressed against the end head 32 and is not contacted with the valve rod steel ball 33, so that the air passage port of the rod body 31 is not sealed. As shown in fig. 5-2, the wedge-shaped groove of the rod body 31 is in the inflated state; fig. 5-3 show the state of the wedge-shaped groove of the rod body 31 when the air is deflated. The innovative design of the valve rod structure realizes the quick switching of different air paths for charging and discharging the air connecting device, so that the air source is not required to be detached during charging and discharging in the connecting state, the poking and clamping assembly is only poked, and the handle is tightly held to finish the operations of charging and discharging.
As shown in fig. 6-1, the external view of the tip 31 is provided with a tip step, and the tip is matched with the handle top block to realize the sealing and discharging functions of different functions of inflation and deflation of the connecting device. During inflation, the steel ball is pressed on the inclined plane of the valve rod, the handle ejector block is opposite to the center of the step at the end of the valve rod, the handle ejector block is pressed on the steel ball, and the steel ball plays a role in metal sealing at the moment, as shown in figure 6-2. When the air is discharged, the shifting block assembly is shifted to the air discharging position, the handle ejector block is pressed at the step position of the end of the valve rod, and the steel ball is in a free state, so that the air is conveniently discharged, as shown in fig. 6-3.
As shown in fig. 7, the shutter assembly 1 includes a shutter 11, a shutter spring 12 and a shutter steel ball 13; one end of the valve 11 is supported on the rod body 31 through the valve steel ball 13, the other end of the valve 11 is connected to the joint 7 through the valve spring 12, the rod body 31 is provided with a wedge-shaped groove, when the valve is inflated, the shifting and clamping component 4 drives the rod body 31 to rotate, the wedge-shaped groove is in a vertical state, the valve rod component 3 moves axially, the valve 11 is further pushed through the valve steel ball 13, and the elastic force of the valve spring 12 is overcome to open the air path. During deflation, the shifting and clamping component 4 drives the rod body 31 to rotate, so that the wedge-shaped groove is in a horizontal state, the valve rod component 3 moves axially, the position of the valve steel ball 13 is unchanged, the valve 11 is in a sealing state, and the gas path is closed.
As shown in fig. 8, the card-moving assembly 4 includes a moving card 41, a moving card spring 42, a moving card steel ball 43 and a pin 44; the pin shaft 44 is located at the end part of the shifting block 41, a through hole is formed in the shifting block 41 close to the pin shaft 44 and used for connecting the shifting block 41 with the valve rod assembly 3, and the shifting block 41 and the valve rod assembly 3 are positioned through the pin shaft 44; the other end of the shifting block 41 is a hand shifting end, a blind hole facing the shell 6 is arranged in the hand shifting end, and a shifting block spring 42 and a shifting block steel ball 43 for limiting are arranged in the blind hole.
Fig. 9 is a schematic view showing the cooperation of the housing and the shutter assembly. The valve assembly and the boss structure design of the shell realize the deflation sealing of the joint. As shown in fig. 9-1, when the quick release connector is inflated, the boss of the quick release connector housing is separated from the valve assembly, and the gas is inflated through the housing boss gap. As shown in fig. 9-2, when the quick release connector is deflated, the housing boss engages the valve assembly sealing ring to effect a seal.
As shown in FIG. 10, the inflation and deflation structure of the shell is designed to match with the shifting clamp assembly, so that the manual quick visual operation of inflation and deflation of the connector is satisfied.
One embodiment of the invention relates to a quick inflation and deflation connection device for a servo pressure accumulator.
When the pressure accumulator of the servo mechanism needs to be inflated or supplemented with air, the quick inflation and deflation connecting device is connected with an external inflation nozzle through a quick release structure, the other end of the quick inflation and deflation connecting device is connected with an air source, then the shifting and clamping assembly is shifted to the inflation position, the wedge-shaped groove of the valve rod is in a vertical state, then the handle is held tightly, the jacking block compresses the valve rod steel ball and pushes the valve rod to move axially, meanwhile, the valve steel ball pushes the valve to open, then the air passage is completely opened, and the pressure accumulator can be inflated or supplemented with air. And (4) loosening the handle, and under the action of internal air pressure and the spring, restoring the valve rod to the original position and returning the valve steel ball to the original position, namely closing the valve. The gas accumulated in the quick inflation and deflation connecting device can escape into the atmosphere from the gap of the valve rod steel ball, the quick inflation and deflation connecting device is pulled out, and the external inflation nozzle and the quick inflation and deflation connecting device are closed automatically.
When the pressure in the pressure accumulator of the servo mechanism is too high or the gas in the pressure accumulator needs to be released, the shifting and clamping assembly is shifted to the releasing position, the valve steel ball is always in the wedge-shaped groove of the valve rod, when the valve rod moves axially by pinching the handle, the valve is not opened, the top block is pressed on the end step of the valve rod and is not pressed on the valve rod steel ball, so that the gas releasing gas circuit is opened under the action of external force, the gas is released into the atmosphere from the gap of the valve rod steel ball in the pressure accumulator, the gas is released to the required pressure or the gas is released, and the handle is loosened.
The inflation and deflation connecting device related to the embodiment of the invention accords with the integral structure design of human-computer ergonomics, the connection and disassembly are convenient by adopting the device, the inflation and deflation operation can be realized by one hand, the hand holding section and the tail section of the lower handle are in tangent smooth transition, and the integral structure design accords with the human-computer ergonomics. The innovative design of the valve rod structure realizes the quick switching of the air charging and discharging paths of the quick air charging and discharging connecting device. The defects that the existing inflation and deflation connecting device is generally a single flow channel, namely, only one function of inflation or deflation can be realized in single installation, and when the two functions are replaced, the air source needs to be detached or the joint needs to be replaced and the like are overcome. The switching of the air charging and discharging circuit of the quick air charging and discharging connecting device is realized by driving the position change of the valve rod through the shifting and clamping assembly, so that the air charging and discharging can be conveniently and quickly realized under the condition of not dismounting an air source.
Claims (8)
1. The utility model provides a fill gassing connecting device fast which characterized in that includes: the valve comprises a valve component (1), a handle (2), a valve rod component (3), a shifting and clamping component (4), a sliding ring (5), a shell (6) and a joint (7);
the valve rod assembly (3) is arranged inside the shell (6), and the sliding ring (5) is sleeved at the opening end of the shell (6) and used for limiting when the opening end of the shell (6) is connected with an external inflating nozzle;
one end of the shifting and clamping component (4) is fixedly connected with the valve rod component (3), and the other end of the shifting and clamping component is arranged on the shell (6) and is limited through steel balls; the shifting clamp assembly (4) is shifted to drive the valve rod assembly (3) to rotate, the valve rod assembly (3) is axially moved along the shell (6) through the handle (2), and the valve assembly (1) is opened or closed; the joint (7) is connected with the shell (6) and is used for connecting the air path;
the handle (2) comprises a lower handle (21), an upper handle (22) and a top block (23);
the lower handle (21) and the upper handle (22) are connected into a handle main body, a pin shaft hole is formed in the upper handle (22), and a top block (23) fixed at the end part of the upper handle (22) is propped against the valve rod assembly (3);
the valve rod component (3) comprises a rod body (31), an end head (32) and a valve rod steel ball (33);
an air passage is axially arranged at the center of the rod body (31), a valve rod steel ball (33) for sealing is arranged at the port of the air passage, the end head (32) is connected to the rod body (31), when the handle (2) is tightly held during inflation, and the jacking block (23) is jacked on the valve rod steel ball (33) to seal the port of the air passage of the rod body (31); when in air release, the jacking block (23) is jacked on the end head (32) and is not contacted with the valve rod steel ball (33), so that the air passage port of the rod body (31) is not sealed.
2. The quick inflation and deflation connecting device according to claim 1, wherein: the valve assembly (1) comprises a valve (11), a valve spring (12) and a valve steel ball (13);
one end of the valve (11) is supported on the rod body (31) through the valve steel ball (13), the other end of the valve (11) is connected to the connector (7) through the valve spring (12), the rod body (31) is provided with a wedge-shaped groove, the shifting and clamping assembly (4) drives the rod body (31) to rotate during inflation, the wedge-shaped groove is in a vertical state, the valve rod assembly (3) moves axially, the valve (11) is further pushed through the valve steel ball (13), and the elastic force of the valve spring (12) is overcome to open the air path.
3. The quick inflation and deflation connecting device according to claim 1, wherein: during deflation, the shifting and clamping component (4) drives the rod body (31) to rotate, so that the wedge-shaped groove is in a horizontal state, the valve rod component (3) moves axially, the position of the valve steel ball (13) is unchanged, the valve (11) is in a sealing state, and the gas path is closed.
4. The quick inflation and deflation connecting device according to claim 1, wherein: the lower handle (21) comprises a hand-holding section and a tail section, the hand-holding section is arranged between the tail section and the upper handle (22), and the hand-holding section and the tail section are in smooth transition.
5. A quick inflation/deflation connection device as claimed in claim 4, wherein: the radius of the circular arc of the hand-held section is R48mm, and the radius of the circular arc of the tail section is R80 mm.
6. The quick inflation and deflation connecting device according to claim 1, wherein: the card-shifting assembly (4) comprises a card-shifting (41), a card-shifting spring (42), a card-shifting steel ball (43) and a pin shaft (44); the pin shaft (44) is positioned at the end part of the shifting card (41), a through hole is formed in the shifting card (41) close to the pin shaft (44) and used for connecting the shifting card (41) with the valve rod assembly (3), and the shifting card (41) and the valve rod assembly (3) are positioned through the pin shaft (44); the other end of the shifting block (41) is a hand shifting end, a blind hole facing the shell (6) is arranged in the hand shifting end, and a shifting block spring (42) and a shifting block steel ball (43) for limiting are arranged in the blind hole.
7. The quick inflation and deflation connecting device according to claim 1, wherein: when the air inflation valve is used for inflating, the valve assembly (1) is opened, the inflation air path is used for air to enter from the connector (7), and after the air passes through the valve assembly (1) and the valve rod assembly (3), the air reaches the opening end of the shell (6) and enters the external inflation nozzle.
8. The quick inflation and deflation connecting device according to claim 1, wherein: when in deflation, the valve component (1) is closed, and the deflation gas path is that gas enters the opening end of the shell (6) from an external inflating nozzle and is deflated through the valve rod component (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027813.4A CN109114421B (en) | 2018-09-04 | 2018-09-04 | Quick inflation and deflation connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811027813.4A CN109114421B (en) | 2018-09-04 | 2018-09-04 | Quick inflation and deflation connecting device |
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| Publication Number | Publication Date |
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| CN109114421A CN109114421A (en) | 2019-01-01 |
| CN109114421B true CN109114421B (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811027813.4A Active CN109114421B (en) | 2018-09-04 | 2018-09-04 | Quick inflation and deflation connecting device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131495A (en) * | 2019-05-22 | 2019-08-16 | 成都飞机工业（集团）有限责任公司 | A kind of inflation switching device |
| CN114110417A (en) * | 2021-11-15 | 2022-03-01 | 国网河南省电力公司宜阳县供电公司 | Charging and discharging fixing clamp for GIS combined electrical apparatus |
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| CN2450425Y (en) * | 2000-11-07 | 2001-09-26 | 竺浩君 | High-pressure ball valve |
| CN2760351Y (en) * | 2004-12-09 | 2006-02-22 | 薛祥元 | Horizontal pressure reducing valve converting high pressure gas into low pressure gas directly |
| CN201731140U (en) * | 2010-05-24 | 2011-02-02 | 钱江集团浙江亿江机电有限公司 | Air conditioner liquid coolant gas charging valve |
| CN205260943U (en) * | 2015-12-15 | 2016-05-25 | 宁波三安制阀有限公司 | Natural gas bottle valve |
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| CN109114421A (en) | 2019-01-01 |
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Inventor after: Wang Xiangling Inventor after: Wei Guanju Inventor after: Wang Lipeng Inventor after: Liu Huixiang Inventor after: Li Guanghui Inventor before: Wang Xiangling Inventor before: Luo Ge Inventor before: Wei Guanju Inventor before: Li Guoqiang Inventor before: Ma Xiaochen Inventor before: Liang Zan |
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