CN217272160U - High-pressure valve for scuba diving - Google Patents
High-pressure valve for scuba diving Download PDFInfo
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- CN217272160U CN217272160U CN202220591244.1U CN202220591244U CN217272160U CN 217272160 U CN217272160 U CN 217272160U CN 202220591244 U CN202220591244 U CN 202220591244U CN 217272160 U CN217272160 U CN 217272160U
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Abstract
The utility model discloses a be used for scuba diving high pressure valve, including valve body, case, superpressure protection device and valve switch, be equipped with air inlet and gas outlet on the valve body, air inlet and gas outlet set up relatively, and superpressure protection device and valve switch set up in the relative both sides of valve body, and the case setting just is connected with the valve switch in the valve body, the valve body surface is equipped with chromium-plated layer. The utility model provides a be used for scuba diving under water high pressure valve can guarantee that the valve body is difficult to corroded under the sea water soaks, safer and be convenient for underwater operation.
Description
Technical Field
The utility model belongs to the technical field of gas cylinder valve technique and specifically relates to a be used for scuba diving high pressure valve.
Background
The scuba is one of the necessary equipment of dive, and the scuba will all be equipped with at least one gas cylinder generally, need set up a valve on the gas cylinder and carry out exhaust control. The existing gas cylinder valve of the diving respirator generally directly adopts a gas cylinder valve used on land, cannot be well adapted to the marine environment, and has the problems of easy corrosion, easy damage and the like. Therefore, a high-pressure valve for a scuba is required to be designed, so that the valve body is not easy to corrode under seawater immersion and is convenient for underwater operation.
Disclosure of Invention
The utility model discloses an overcome prior art gas cylinder valve and have perishable when using on scuba diving under water, the fragile problem provides one kind and is used for scuba diving high pressure valve, can guarantee that the valve body is difficult to corroded under the sea water soaks, and the underwater operation of just being convenient for is safer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-pressure valve for a scuba diving device comprises a valve body, a valve core, an overpressure protection device and a valve switch, wherein the valve body is provided with an air inlet and an air outlet, the air inlet and the air outlet are oppositely arranged, the overpressure protection device and the valve switch are arranged on two opposite sides of the valve body, the valve core is arranged in the valve body and connected with the valve switch, and a chromium coating is arranged on the surface of the valve body.
Among the above-mentioned technical scheme, through setting up superpressure protection device, can automatic pressure release when running into the condition that the breathing gas bottle pressure abnormally risees, guarantee safety, the position of valve switch is changed the valve side into by the valve top, the operation under water of being convenient for. The chromium coating can ensure that the valve body is not easy to corrode under the seawater immersion.
Preferably, a nickel plating layer is arranged between the chromium plating layer and the valve body. The chromium coating is further coated on the outer side of the nickel coating, so that the corrosion resistance and the wear resistance can be improved, the thickness of the nickel coating can be reduced, and the cost is reduced.
Preferably, the overpressure protection device comprises a safety cap, a red copper pad and a safety piece, a pressure relief hole is formed in the valve body, a connecting hole is formed in the outer side of the pressure relief hole, the safety piece is arranged in the connecting hole and compresses the end face of the pressure relief hole, the safety cap is in threaded connection with the connecting hole, the end face of the safety cap compresses the safety piece through the red copper pad, a communicating hole communicated with the outside is formed in the safety cap, and one end of the communicating hole faces the safety piece. The safety piece is provided with a preset shallow mark, and when the air pressure in the air bottle is too high, the safety piece can be firstly crushed to release the pressure, so that the air bottle is protected.
Preferably, the safety disc is in a cap-shaped structure, the opening of the safety disc faces the safety cap, and one end of the safety disc is sleeved outside one end of the safety cap. The cap-shaped structure can ensure that the overpressure protection device is connected more stably and reliably.
Preferably, the valve body is provided with a protective sleeve, the protective sleeve and the valve body are of an integrally formed structure, and the protective sleeve is arranged outside the overpressure protection device. The protective sleeve can protect the overpressure protection device, and the overpressure protection device is prevented from being damaged due to collision of the gas cylinder when the gas cylinder is accidentally collided underwater, so that gas is prevented from leaking accidentally.
Preferably, the side wall of the safety cap is provided with an exhaust port, the communication hole is communicated with the outside through the exhaust port, and the exhaust port is arranged on the inner side of the protective sleeve. The exhaust port is arranged on the inner side of the protective sleeve, so that the blockage of the protective sleeve can be avoided, and meanwhile, when the overpressure protection device is triggered, the damage to a human body caused by the fact that fragments and high-pressure gas directly rush out can be avoided.
Preferably, the outer side of the air inlet is provided with a connecting external thread and a positioning ring, the connecting external thread is provided with a sealing element for sealing, and the sealing element is made of EPDM (ethylene-propylene-diene monomer). EPDM refers to ethylene propylene diene monomer rubber, and is more cold-resistant and corrosion-resistant.
The beneficial effects of the utility model are that: (1) can ensure that the valve body is not easy to corrode under the condition of seawater immersion. (2) When the pressure of the breathing air bottle abnormally rises, the pressure can be automatically released, and the safety is ensured. (3) The valve switch is changed from the top of the valve to the side of the valve, so that underwater operation is facilitated. (4) The protective sleeve can protect the overpressure protection device, and the overpressure protection device is prevented from being damaged due to collision of the gas cylinder in water carelessly, and gas leakage is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure: the pressure relief valve comprises a valve body 1, an air inlet 1.1, an air outlet 1.2, a pressure relief hole 1.3, a connecting external thread 1.4, a positioning ring 1.5, a connecting hole 1.6, an overpressure protection device 3, a safety cap 3.1, a red copper pad 3.2, a safety disc 3.3, a communicating hole 3.4, an exhaust port 3.5, a valve switch 4, a protection sleeve 5 and a sealing piece 6.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 1 and 2, a high-pressure valve for a scuba diving apparatus comprises a valve body 1, a valve core, an overpressure protection device 3 and a valve switch 4, wherein the valve body 1 is provided with an air inlet 1.1 and an air outlet 1.2, the air inlet 1.1 and the air outlet 1.2 are oppositely arranged, the outer side of the air inlet 1.1 is provided with a connecting external thread 1.4 and a positioning ring 1.5, the connecting external thread 1.4 is provided with a sealing element 6 for sealing, and the sealing element 6 is made of EPDM. The overpressure protection device 3 and the valve switch 4 are arranged on two opposite sides of the valve body 1, the valve core is arranged in the valve body 1 and connected with the valve switch 4, and the surface of the valve body 1 is provided with a chromium coating.
The overpressure protection device is characterized in that a protection sleeve 5 is arranged on the valve body 1, the protection sleeve 5 and the valve body 1 are of an integrally formed structure, and the protection sleeve 5 is arranged on the outer side of the overpressure protection device 3 in a sleeved mode. The overpressure protection device 3 comprises a safety cap 3.1, a red copper pad 3.2 and a safety sheet 3.3, the safety sheet 3.3 is of a cap-shaped structure, a pressure relief hole 1.3 is formed in the valve body 1, a connecting hole 1.6 is formed in the outer side of the pressure relief hole 1.3, the safety sheet 3.3 is arranged in the connecting hole 1.6 and compresses the end face of the pressure relief hole 1.3, an opening of the safety sheet 3.3 faces the safety cap 3.1, and a sleeve of the safety sheet 3.3 is arranged on the outer side of one end of the safety cap 3.1. The safety cap 3.1 is in threaded connection with the connecting hole 1.6, the end face of the safety cap 3.1 is tightly pressed against the safety sheet 3.3 through the red copper pad 3.2, a communicating hole 3.4 is formed in the safety cap 3.1, one end of the communicating hole 3.4 faces the safety sheet 3.3, an exhaust port 3.5 is formed in the side wall of the safety cap 3.1, the communicating hole 3.4 is communicated with the outside through the exhaust port 3.5, and the exhaust port 3.5 is arranged on the inner side of the protective sleeve 5.
Among the above-mentioned technical scheme, through setting up superpressure protection device 3, can automatic pressure release when meetting the condition that the breathing gas bottle pressure normally risees, guarantee safety, valve switch 4's position is changed the valve side by the valve top, the underwater operation of being convenient for. The chromium coating can ensure that the valve body 1 is not easy to corrode under the seawater immersion.
The utility model has the advantages that: (1) can ensure that the valve body 1 is not easy to corrode under the soaking of seawater. (2) When the pressure of the breathing air bottle abnormally rises, the pressure can be automatically released, and the safety is ensured. (3) The valve switch 4 is changed from the top of the valve to the side of the valve, so that underwater operation is facilitated. (4) The protective sleeve 5 can protect the overpressure protection device 3, and the overpressure protection device 3 is prevented from being damaged due to collision when the gas cylinder is collided carelessly under water, so that gas is prevented from leaking accidentally.
Claims (7)
1. A high-pressure valve for a scuba diving device is characterized by comprising a valve body, a valve core, an overpressure protection device and a valve switch, wherein the valve body is provided with an air inlet and an air outlet which are arranged oppositely, the overpressure protection device and the valve switch are arranged on two opposite sides of the valve body, the valve core is arranged in the valve body and connected with the valve switch, and a chromium coating is arranged on the surface of the valve body.
2. The high pressure valve for a scuba diving apparatus according to claim 1, wherein a nickel plating layer is provided between said chromium plating layer and the valve body.
3. The high pressure valve for the diving respirator according to claim 1 or 2, wherein the overpressure protection device comprises a safety cap, a red copper pad and a safety plate, the valve body is provided with a pressure relief hole, a connecting hole is arranged outside the pressure relief hole, the safety plate is arranged in the connecting hole and presses the end surface of the pressure relief hole, the safety cap is in threaded connection with the connecting hole, the end surface of the safety cap presses the safety plate through the red copper pad, a communicating hole communicated with the outside is arranged in the safety cap, and one end of the communicating hole faces the safety plate.
4. The high pressure valve for the diving respirator according to claim 3, wherein the safety disc is in a cap-shaped structure, the opening of the safety disc faces the safety cap, and one end of the safety disc is sleeved outside one end of the safety cap.
5. The high pressure valve for the diving respirator as claimed in claim 3, wherein the valve body is provided with a protective sleeve, the protective sleeve and the valve body are of an integral structure, and the protective sleeve is arranged outside the overpressure protection device.
6. The high pressure valve for the diving respirator according to claim 5, wherein the side wall of the safety cap is provided with an exhaust port, the communication hole is communicated with the outside through the exhaust port, and the exhaust port is arranged inside the protective sleeve.
7. The high pressure valve for the diving respirator according to claim 1 or 2, characterized in that the outer side of the air inlet is provided with a connecting external thread and a positioning ring, the connecting external thread is provided with a sealing element for sealing, and the sealing element is made of EPDM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220591244.1U CN217272160U (en) | 2022-03-17 | 2022-03-17 | High-pressure valve for scuba diving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220591244.1U CN217272160U (en) | 2022-03-17 | 2022-03-17 | High-pressure valve for scuba diving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217272160U true CN217272160U (en) | 2022-08-23 |
Family
ID=82871069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220591244.1U Active CN217272160U (en) | 2022-03-17 | 2022-03-17 | High-pressure valve for scuba diving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217272160U (en) |
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2022
- 2022-03-17 CN CN202220591244.1U patent/CN217272160U/en active Active
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