CN210240861U - Inflating switching device with lock - Google Patents
Inflating switching device with lock Download PDFInfo
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- CN210240861U CN210240861U CN201920735850.4U CN201920735850U CN210240861U CN 210240861 U CN210240861 U CN 210240861U CN 201920735850 U CN201920735850 U CN 201920735850U CN 210240861 U CN210240861 U CN 210240861U
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- charging connector
- inflation
- stop
- piston
- connecting port
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Abstract
The utility model discloses a take padlock to aerify switching device, its characterized in that: including casing (1), main gas circuit and pressure boost stop valve, casing (1) open along the axis direction and have main gas circuit, main gas circuit one end be charging connector connection port (5) of connecting aircraft accumulator charging connector, the other end is inflation port (12) of connecting gas pipeline, charging connector connection port (5) of casing (1) in radially set up valve opening (4), valve opening (4) in be equipped with the pressure boost stop valve of chucking aircraft accumulator charging connector, take the card to lock and aerify and set up pressure boost stop valve in the switching device for the fixed locking of whole device under the pressure boost state guarantees that aerating device can't dismantle under the pressure boost state with aircraft accumulator charging connector butt joint back, inflation in-process, effectively prevents that the engineering area from taking the potential safety hazard when dismantling the charging connector, stability is good, and the security is high.
Description
Technical Field
The utility model relates to a take kayser to aerify switching device especially relates to a take kayser to aerify switching device who prevents to take area to press dismantlement.
Background
Currently, during the use of an aircraft, it is necessary to carry out inflation and tightness checks on tires, hydraulic accumulators, buffer struts, etc. in the aircraft, the inflation of pressurized gas of the aircraft being an important and frequently operated task in the maintenance work of the aircraft crew. The traditional inflation work is mainly completed by butt joint of a ground air source device (such as a nitrogen vehicle, a nitrogen bottle and the like) and each accumulator inflating nozzle of the airplane through an inflating pipeline, wherein the inflating pipe joint is in screwed connection with the accumulator inflating nozzle of the airplane through threads. After the inflation is finished, if workers detach the inflation device under the condition that the pressure is not released or the residual pressure in the pipe is not removed, the inflation pipeline is thrown away, the damage to the surface of the airplane or parts of the airplane is caused, the casualties can be caused even in severe cases, and great potential safety hazards exist.
Disclosure of Invention
For solving among the prior art gas charging line and gas charging pipe joint dismantle loss and the potential safety hazard that aerating device caused under the condition that pressure does not let out, the utility model provides a take kayser to aerify switching device. The utility model discloses a take kayser to aerify switching device, its characterized in that: the pressure-boosting stop valve comprises a shell, a main air channel and a pressure-boosting stop valve, wherein the shell is provided with the main air channel along the axis direction, one end of the main air channel is an inflating nozzle connecting port connected with an inflating nozzle of an aircraft accumulator, the other end of the main air channel is an inflating port connected with an inflating pipeline, a valve hole is formed in the inflating nozzle connecting port of the shell along the radial direction, and the pressure-boosting stop valve for clamping the inflating nozzle of the aircraft accumulator is arranged in the valve hole.
Furthermore, the pressure boost stop valve comprises a stop piston, a sealing rubber ring B, a spring, a pressure boost cavity and an air guide pipeline, the air guide pipeline and the pressure boost cavity are arranged in the wall of the shell, the air guide pipeline is communicated with the air channel, the stop piston is arranged in the pressure boost cavity and comprises a piston rod and a piston cap, the piston rod is sleeved with the spring, the sealing ring is arranged outside the spring, the end of the piston rod extends into the valve hole, the diameter of the piston cap is the same as the diameter of the section of the pressure boost cavity, and limiting bosses for limiting the movement of the stop piston are arranged at two ends of the wall of the pressure boost cavity.
Furthermore, the pressure boosting stop valves are uniformly distributed on the charging connector connecting port of the shell for one circle.
Furthermore, the pressurizing cavity of the pressurizing stop valve is composed of an end cover of a detachable charging connector connecting port and the charging connector connecting port, and is fixed by fastening screws during assembly.
Furthermore, a sealing ring is arranged between the end cover and the connecting port of the charging connector.
Further, the fastening screw is subjected to anti-loosening treatment.
The utility model discloses a have following positive effect: the utility model discloses a take the block to aerify and set up pressure boost stop valve in the switching device for the fixed locking of whole device under the pressurized state guarantees that aerating device can't dismantle under the pressurized state with aircraft accumulator charging connector butt joint back, inflation in-process, prevents effectively that the aircraft service area from pressing the potential safety hazard when dismantling the charging connector, and stability is good, and the security is high, advantage that the commonality is strong.
Drawings
Fig. 1 is a sectional view of the air inflation adapter of the present invention.
Fig. 2 is a sectional view of the air charging adapter a-a of the present invention.
In the figure: 1. the air-assisted pneumatic control valve comprises a shell, 2 fastening screws, 3 end covers, 4 valve holes, 5 inflating nozzle connecting ports, 6 stop pistons, 7 springs, 8 sealing rings, 9 pressurizing cavities, 10 sealing rubber rings, 11 air guide pipelines and 12 inflating ports.
Detailed Description
As shown in FIG. 1, the utility model discloses a take kayser to aerify switching device, its characterized in that: the pressure-boosting stop valve comprises a shell 1, a main air channel and a pressure-boosting stop valve, wherein the shell 1 is provided with the main air channel along the axis direction, one end of the main air channel is an inflating nozzle connecting port 5 connected with an inflating nozzle of an aircraft pressure accumulator, the other end of the main air channel is an inflating port 12 connected with an inflating pipeline, a valve 4 hole is formed in the inflating nozzle connecting port 5 of the shell 1 along the radial direction, and the pressure-boosting stop valve for clamping the inflating nozzle of the aircraft pressure accumulator is arranged in the valve hole 4.
Further, the pressure boost stop valve comprises a stop piston 6, a sealing ring 8, a spring 7, a pressure boost cavity 9 and an air guide pipeline 11, the air guide pipeline 11 and the pressure boost cavity 9 are arranged in the wall of the shell 1, the air guide pipeline 11 is communicated with the main air channel, the stop piston 6 is arranged in the pressure boost cavity 9, the stop piston 6 comprises a piston rod and a piston cap, the piston rod is sleeved with the spring 7, the sealing ring 8 is arranged outside the spring 7, the end of the piston rod extends into the valve hole 4, the diameter of the piston cap is the same as that of the section of the pressure boost cavity 9, and limiting bosses for limiting the movement of the stop piston 6 are arranged at two ends of the wall of the pressure boost cavity 9.
Further, as shown in fig. 2, the pressure stop valves are uniformly distributed around the charging nozzle connection port 5 of the housing 1.
Furthermore, a pressurizing cavity 9 of the pressurizing stop valve is composed of an end cover 3 of the detachable charging connector connecting port 5 and the charging connector connecting port 5, and is fixed by a fastening screw 2 during assembly.
Further, a sealing rubber ring 10 is arranged between the end cover 3 and the charging connector connecting port 5.
Further, the fastening screw 2 is subjected to anti-loosening treatment.
The device passes through the screw thread with aircraft accumulator charging connector and screws the butt joint, and when filling pressurized gas toward the aircraft, pressurized gas passes through air guide pipeline 11 and gets into booster chamber 9, promotes stop piston 6, overcomes spring 7 elasticity and stretches out casing 1, dies whole device and accumulator charging connector chucking lock, guarantees unable dismantlement under the inflation in-process pressurized state, effectively prevents that the quick-witted affair area from pressing the potential safety hazard when dismantling charging connector.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a take kayser to aerify switching device which characterized in that: the aircraft accumulator inflation valve comprises a shell (1), a main air passage and a pressurization stop valve, wherein the main air passage is formed in the shell (1) along the axis direction, one end of the main air passage is an inflation nozzle connecting port (5) connected with an inflation nozzle of an aircraft accumulator, the other end of the main air passage is an inflation port (12) connected with an inflation pipeline, a valve hole (4) is formed in the inflation nozzle connecting port (5) of the shell (1) along the radial direction, and the pressurization stop valve for clamping the inflation nozzle of the aircraft accumulator is arranged in the valve hole (4).
2. A snap-lock inflatable adapter device as in claim 1, wherein: the pressurization stop valve comprises a stop piston (6), a sealing ring (8), a spring (7), a pressurization cavity (9) and an air guide pipeline (11), the air guide pipeline (11) and the pressurization cavity (9) are arranged in the wall of the shell (1), the air guide pipeline (11) is communicated with the main air passage, the stop piston (6) is arranged in the pressurization cavity (9), the stop piston (6) comprises a piston rod and a piston cap, the piston rod is sleeved with the spring (7), the sealing ring (8) is arranged outside the spring (7), the end of the piston rod extends into the valve hole (4), the diameter of the piston cap is the same as the diameter of the section of the pressurization cavity (9), and limiting bosses for limiting the movement of the stop piston (6) are arranged at two ends of the wall of the pressurization cavity (9).
3. A snap-lock inflatable adapter according to claim 1 or 2, wherein: the pressurizing stop valves are uniformly distributed on the charging connector connecting port (5) of the shell (1) for one circle.
4. A snap-lock inflatable adapter device as claimed in claim 2, wherein: the pressurizing cavity (9) of the pressurizing stop valve is composed of an end cover (3) of a detachable charging connector connecting port (5) and the charging connector connecting port (5), and is fixed by a fastening screw (2) during assembly.
5. A belt latch inflation adapter device according to claim 4, wherein: and a sealing rubber ring (10) is arranged between the end cover (3) and the charging connector connecting port (5).
6. A belt latch inflation adapter according to claim 4, wherein: the fastening screw (2) is used for anti-loosening treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735850.4U CN210240861U (en) | 2019-05-22 | 2019-05-22 | Inflating switching device with lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735850.4U CN210240861U (en) | 2019-05-22 | 2019-05-22 | Inflating switching device with lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210240861U true CN210240861U (en) | 2020-04-03 |
Family
ID=69972101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920735850.4U Active CN210240861U (en) | 2019-05-22 | 2019-05-22 | Inflating switching device with lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210240861U (en) |
-
2019
- 2019-05-22 CN CN201920735850.4U patent/CN210240861U/en active Active
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