CN213899444U - Ultrahigh pressure air pressure adjusting overflow valve - Google Patents
Ultrahigh pressure air pressure adjusting overflow valve Download PDFInfo
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- CN213899444U CN213899444U CN202022090750.6U CN202022090750U CN213899444U CN 213899444 U CN213899444 U CN 213899444U CN 202022090750 U CN202022090750 U CN 202022090750U CN 213899444 U CN213899444 U CN 213899444U
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Abstract
The utility model relates to an ultra-high pressure air pressure adjusting overflow valve, which comprises an upper cylinder cover and a lower cylinder cover, wherein the upper cylinder cover and the lower cylinder cover are fixed by screws; the top surface of the cylinder upper cover is provided with a through hole and is connected with an air inlet throttle valve through an adapter; the top surface through-hole intercommunication of cylinder upper cover the cylinder lower cover, be provided with the rubber diaphragm in the cylinder lower cover, the rubber diaphragm is pressed the cylinder upper cover with between the cylinder lower cover, in the cylinder lower cover the below of rubber diaphragm is provided with Y type bearing block, the pot head that holds of bearing block is equipped with compression spring, bearing block lower extreme integrated into one piece is provided with the push rod, the bottom of cylinder lower cover is connected with interior silk joint, interior silk joint lower extreme is connected with valve body crossover sub. The utility model discloses increased pressure-bearing stress area and strengthened the leakproofness, prolonged life, the pressure release is fast.
Description
Technical Field
The utility model relates to a high-pressure overflow valve technical field especially relates to an overflow valve is adjusted to superhigh pressure atmospheric pressure.
Background
In recent years, the application of ultra-high pressure hydraulic technology is becoming more and more widespread, and is becoming one direction of people's attention and research. In actual use, the ultrahigh pressure hydraulic system generally has the characteristics of high pressure (more than 1000 bar) and small flow (less than 10L/min), so higher requirements are put on the safety, reliability, heat resistance and sealing performance of ultrahigh pressure hydraulic components.
The ultrahigh pressure overflow valve is used as a core control element of an ultrahigh pressure system, a direct-acting structure is generally adopted, a valve core is directly balanced by hydraulic pressure and spring force, the pretightening force of the spring is adjusted by a pressure adjusting screw, and the opening pressure of the valve is changed.
The existing ultrahigh pressure gas regulating overflow valve has the problems that: when the pressure is relieved, the pressure drop between the valve core and the valve seat is very high, the pressure bearing surface is small, poor sealing performance is easily caused, the valve core and the valve seat are damaged, and the service life is short.
Therefore, the ultrahigh pressure and air pressure adjusting overflow valve is designed to solve the problems.
Disclosure of Invention
The utility model provides an ultra-high pressure air pressure adjusting overflow valve for overcoming the defects, which comprises an upper cylinder cover and a lower cylinder cover, wherein the upper cylinder cover and the lower cylinder cover are fixed by screws;
the top surface of the cylinder upper cover is provided with a through hole and is connected with an air inlet throttle valve through an adapter; the water outlet valve comprises an air cylinder upper cover, an air cylinder lower cover, a Y-shaped pressure bearing block, a compression spring, a water outlet valve block and a water overflow port, wherein a through hole in the top surface of the air cylinder upper cover is communicated with the air cylinder lower cover, a rubber diaphragm is arranged in the air cylinder lower cover and pressed between the air cylinder upper cover and the air cylinder lower cover, the lower part of the rubber diaphragm in the air cylinder lower cover is provided with the Y-shaped pressure bearing block, the lower end of the pressure bearing block is sleeved with the compression spring, the lower end of the pressure bearing block is integrally provided with a push rod, the bottom end of the air cylinder lower cover is connected with an inner screw connector and an outer screw connector, the lower end of the inner screw connector and the outer screw connector is connected with a valve body conversion connector, the lower end of the valve body conversion connector is provided with the water outlet valve block, and the side surface of the water outlet valve block is provided with the water overflow port;
the push rod penetrates through the inner and outer thread joints and the valve body adapter from top to bottom in sequence; a plurality of liquid outlet holes are formed in the periphery of the valve body adapter, a valve core is arranged at the lower end of the push rod, and a valve seat is arranged at the bottom end of the valve core in a matched mode; the valve core can extend into a valve hole which is through up and down in the center in the valve seat and can be sealed, and the lower edge of the valve hole is arranged on the bottom surface of the valve seat; when the valve core and the inner wall of the valve hole in the valve seat are not sealed, the valve hole is communicated with the overflow port through a liquid outlet hole; the lower part of the valve seat is screwed and fixed on the valve body conversion joint through a bottom joint; the bottom end of the valve core is gradually narrowed downwards uniformly, and a plurality of grooves are formed in the side wall of the bottom end of the valve core.
Preferably, the cylinder upper cover and the cylinder lower cover are fixed through a plurality of inner hexagonal screws.
Preferably, the water outlet valve block is made of brass.
Preferably, the water outlet valve block and the valve body adapter are additionally provided with a nylon backing ring to enhance sealing.
Preferably, the intake throttle valve is an intake throttle valve.
Preferably, the cylinder upper cover and the cylinder lower cover are made of anodized aluminum alloy.
Preferably, U-shaped sealing is additionally arranged between the valve body adapter and the inner and outer thread joints to strengthen sealing; an O-shaped ring for strengthening sealing is arranged between the valve body adapter and the bottom connector.
The utility model has the advantages that:
an overflow valve is adjusted to superhigh pressure atmospheric pressure, increased bearing stress area and strengthened the leakproofness, prolonged life, the pressure release is fast.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3 (in a compressed state);
FIG. 5 is a schematic view of the connection of the valve element and the valve seat (in a compressed state);
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 3 (in an uncompressed state);
FIG. 7 is a schematic view of the connection of the valve element and the valve seat (in the non-compressed state);
FIG. 8 is a perspective view of the valve cartridge;
wherein: 1-cylinder upper cover; 2-cylinder lower cover; 4-water outlet valve block 5-valve seat; 6-air intake throttle valve; 7-a rubber diaphragm; 8-a pressure-bearing block; 9-compression spring; 10-a push rod; 11-internal and external thread joints; 12-valve body crossover sub; 13-a valve core; 14-groove.
Detailed Description
The following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
An ultrahigh-pressure air pressure adjusting overflow valve comprises an upper cylinder cover 1 and a lower cylinder cover 2, wherein the upper cylinder cover 1 and the lower cylinder cover 2 are fixed through screws;
the top surface of the cylinder upper cover 1 is provided with a through hole and is connected with an air inlet throttle valve 6 through an adapter; the top surface through hole of the cylinder upper cover 1 is communicated with the cylinder lower cover 2, a rubber diaphragm 7 is arranged in the cylinder lower cover 2, the rubber diaphragm 7 is pressed between the cylinder upper cover 1 and the cylinder lower cover 2, a Y-shaped pressure-bearing block 8 is arranged below the rubber diaphragm 7 in the cylinder lower cover 2, a compression spring 9 is sleeved at the lower end of the pressure-bearing block 8, a push rod 10 is integrally formed at the lower end of the pressure-bearing block 8, an inner and outer wire connector 11 is connected to the bottom end of the cylinder lower cover 2, a valve body conversion connector 12 is connected to the lower end of the inner and outer wire connector 11, a water outlet valve block 4 is arranged at the lower end of the valve body conversion connector 12, and an overflow port is formed in the side surface of the water outlet valve block 4;
the push rod 10 sequentially penetrates through the inner and outer thread joints 11 and the valve body conversion joint 12 from top to bottom; a plurality of liquid outlet holes are formed in the periphery of the valve body adapter 12, a valve core 13 is arranged at the lower end of the push rod 10, and a valve seat 5 is arranged at the bottom end of the valve core 13 in a matched mode; the valve core 13 can extend into a valve hole which is through up and down in the center in the valve seat 5 and can be sealed, and the lower edge of the valve hole is arranged on the bottom surface of the valve seat 5; when the valve core 13 and the inner wall of the valve hole in the valve seat 5 are not sealed, the valve hole is communicated with the overflow port through a liquid outlet hole; the lower part of the valve seat 5 is screwed and fixed on the valve body conversion joint 12 through a bottom joint; as shown in fig. 8, in order to increase the force-bearing area and enhance the sealing performance, the bottom end of the valve element 13 gradually narrows downward uniformly, and a plurality of grooves 14 are formed on the side wall of the bottom end of the valve element 13.
Preferably, the cylinder upper cover 1 and the cylinder lower cover 2 are fixed by a plurality of hexagon socket head cap screws.
Preferably, the water outlet valve block 4 is made of brass.
Preferably, the water outlet valve block 4 and the valve body conversion joint 12 are additionally provided with nylon backing rings to enhance sealing.
Preferably, the intake throttle valve 6 is an intake throttle valve.
Preferably, the cylinder upper cover 1 and the cylinder lower cover 2 are made of anodic aluminum oxide alloy and can bear the maximum working air pressure of 8bar,
preferably, a U-shaped seal is additionally arranged between the valve body conversion joint 12 and the inner and outer thread joints 11 to strengthen the seal; an O-shaped ring for strengthening sealing is arranged between the valve body conversion joint 12 and the bottom joint.
The using method comprises the following steps:
the bottom joint and the valve seat 5 are deeply inserted into a pipeline, a gas pressure source is connected outside the air inlet throttle valve 6, when the pressure of a medium circulating in the pipeline is low, the gas pressure of the air inlet throttle valve 6 presses the rubber diaphragm 7 to push the pressure bearing block 8 downwards, the bottom push rod 10 of the pressure bearing block 8 pushes the valve core 13 downwards, the valve core 13 is pressed in the valve hole in the valve seat 5 and sealed, and a channel between the valve hole and the water overflow port is closed, as shown in fig. 4 and 5;
when the pressure of the medium flowing in the pipeline is too high, the medium ascends from the bottom of the valve hole to push the valve core 13 to move upwards, after a gap is reserved in the valve hole between the valve core 13 and the valve seat 5, the valve hole is opened through a channel between the liquid outlet hole and the overflow port, and the pipeline medium can flow out of the water outlet valve block 4; the valve core 13 moves upwards to push the push rod 10, the bearing block 8 rapidly rebounds and moves upwards under the action of the compression spring 9, and the pressure relief speed is high, as shown in fig. 6 and 7.
The bottom end of the valve core 13 is gradually narrowed downwards uniformly, and the side wall of the bottom end of the valve core 13 is provided with a plurality of grooves 14, so that the stress area is increased, and the sealing performance is enhanced.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
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 decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. An ultrahigh-pressure air pressure adjusting overflow valve comprises an upper cylinder cover (1) and a lower cylinder cover (2), wherein the upper cylinder cover (1) and the lower cylinder cover (2) are fixed through screws;
the air cylinder is characterized in that a through hole is formed in the top surface of the air cylinder upper cover (1) and is connected with an air inlet throttle valve (6) through an adapter; the water outlet valve is characterized in that a through hole in the top surface of the upper cylinder cover (1) is communicated with the lower cylinder cover (2), a rubber diaphragm (7) is arranged in the lower cylinder cover (2), the rubber diaphragm (7) is pressed between the upper cylinder cover (1) and the lower cylinder cover (2), a Y-shaped bearing block (8) is arranged below the rubber diaphragm (7) in the lower cylinder cover (2), a compression spring (9) is sleeved at the lower end of the bearing block (8), a push rod (10) is integrally formed at the lower end of the bearing block (8), an inner and outer wire connector (11) is connected to the bottom end of the lower cylinder cover (2), a valve body conversion connector (12) is connected to the lower end of the inner and outer wire connector (11), a water outlet valve block (4) is arranged at the lower end of the valve body conversion connector (12), and an overflow port is formed in the side surface of the water outlet valve block (4);
the push rod (10) sequentially penetrates through the inner and outer thread joints (11) and the valve body conversion joint (12) from top to bottom; a plurality of liquid outlet holes are formed in the periphery of the valve body adapter (12), a valve core (13) is arranged at the lower end of the push rod (10), and a valve seat (5) is arranged at the bottom end of the valve core (13) in a matched mode; the valve core (13) can extend into a valve hole which is through up and down in the center in the valve seat (5) and can be sealed, and the lower edge of the valve hole is arranged on the bottom surface of the valve seat (5); when the valve core (13) and the inner wall of the valve hole in the valve seat (5) are not sealed, the valve hole is communicated with the overflow port through a liquid outlet hole; the lower part of the valve seat (5) is screwed and fixed on the valve body adapter (12) through a bottom joint; in order to increase the stress area and enhance the sealing performance, the bottom end of the valve core (13) is gradually and uniformly narrowed downwards, and a plurality of grooves (14) are formed in the side wall of the bottom end of the valve core (13).
2. The ultrahigh-pressure air-pressure regulating overflow valve according to claim 1, wherein the cylinder upper cover (1) and the cylinder lower cover (2) are fixed by a plurality of hexagon socket head cap screws.
3. The ultrahigh-pressure air pressure regulating overflow valve according to claim 2, wherein the water outlet valve block (4) is made of brass.
4. The ultrahigh-pressure air pressure regulating overflow valve according to claim 3, wherein the water outlet valve block (4) and the valve body adapter (12) are sealed in a reinforcing way by additionally arranging nylon cushion rings.
5. The ultrahigh-pressure air-pressure regulating overflow valve according to claim 4, wherein the intake throttle valve (6) is an intake throttle valve.
6. The ultrahigh-pressure air pressure regulating overflow valve according to claim 5, wherein the cylinder upper cover (1) and the cylinder lower cover (2) are made of anodized aluminum alloy.
7. The ultra-high pressure and air pressure regulating overflow valve of claim 6, wherein the U-shaped seal is additionally arranged between the valve body conversion joint (12) and the inner and outer thread joints (11) to strengthen the seal; an O-shaped ring for strengthening sealing is arranged between the valve body conversion joint (12) and the bottom joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090750.6U CN213899444U (en) | 2020-09-22 | 2020-09-22 | Ultrahigh pressure air pressure adjusting overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090750.6U CN213899444U (en) | 2020-09-22 | 2020-09-22 | Ultrahigh pressure air pressure adjusting overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213899444U true CN213899444U (en) | 2021-08-06 |
Family
ID=77110470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022090750.6U Active CN213899444U (en) | 2020-09-22 | 2020-09-22 | Ultrahigh pressure air pressure adjusting overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213899444U (en) |
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2020
- 2020-09-22 CN CN202022090750.6U patent/CN213899444U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 300380 A3-3 Saida international industrial city, economic and Technological Development Zone, Xiqing District, Tianjin Patentee after: Kejiete pump system (Tianjin) Co.,Ltd. Address before: 709 Caizhi building, No.9 Erwei Road, Dongli Development Zone, Dongli District, Tianjin Patentee before: Kemeiteng pump system (Tianjin) Co.,Ltd. |