CN216923251U - Intelligent pressure reducing valve for monitoring internal pressure of liquefied gas cylinder - Google Patents
Intelligent pressure reducing valve for monitoring internal pressure of liquefied gas cylinder Download PDFInfo
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- CN216923251U CN216923251U CN202220008310.8U CN202220008310U CN216923251U CN 216923251 U CN216923251 U CN 216923251U CN 202220008310 U CN202220008310 U CN 202220008310U CN 216923251 U CN216923251 U CN 216923251U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to the field of pressure reduction of a liquefied gas cylinder, in particular to an intelligent pressure reducing valve for monitoring the internal pressure of the liquefied gas cylinder, which comprises: the disk seat, partition mechanism, hinder and press mechanism and storage mechanism, the gas that flows in the gas cylinder in this scheme enters into the intracavity of admitting air, liquefied gas promotes the bearing seat and lifts when atmospheric pressure is too big, and lift the gap entering between back edge bearing seat and the play air cavity on the bearing seat and give vent to anger the intracavity, descend under the spring promotion after atmospheric pressure reduces, with the baffle shutoff, when spring force descends slightly, rotate the upper end height that pushes away the spring that presses the seat to promote the spring and descend, can increase the pressure of spring to the bearing seat, after the spring adjusts to the metal fatigue stage many times, for avoiding the unable normal activity of bearing seat to make the gas cylinder internal pressure too big cause the incident, screw down the mount pad from the upper end of disk seat, can easily take out the spring and change.
Description
Technical Field
The utility model relates to the field of pressure reduction of a liquefied gas cylinder, in particular to an intelligent pressure reducing valve for monitoring the internal pressure of the liquefied gas cylinder.
Background
Liquefied gas cylinder indicates the storage tank that is used for storing the liquefied gas, and pressure is very big when its inside has the liquefied gas, and product itself is that steel makes and possess certain compressive capacity, for avoiding liquefied gas cylinder internal pressure too big, surpasss product limit pressure value, and liquefied gas cylinder can reduce the bottle internal pressure through installing the relief pressure valve.
A spring is usually used in the pressure reducing valve to control an element in the valve to block fluid flow, after the spring is used for a long time, metal fatigue is easily generated, elasticity is reduced, and leakage is easily caused when the pressure of liquefied gas in a gas cylinder does not reach a standard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder, which aims to solve the problems in the prior art.
In order to achieve the above object, an intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder comprises:
one end of the valve seat is communicated with the inside of the liquefied gas cylinder;
the separation mechanism is arranged inside the valve seat and comprises a partition plate which is fixedly connected inside the valve seat, the inside of the valve seat is divided into an air inlet cavity and an air outlet cavity through the partition plate, and the air inlet cavity is positioned on one side, close to the liquefied gas cylinder, inside the valve seat;
the pressure resistance mechanism comprises a mounting seat, the mounting seat is in threaded connection with the center of the upper surface of the valve seat, the upper end of the mounting seat is in threaded connection with an upper pressure seat, the lower surface of the upper pressure seat is abutted against one end of a spring, the lower end of the spring is abutted against the upper surface of a pressure bearing seat, the pressure bearing seat is inserted into one end of a partition plate, the lower end of the pressure bearing seat penetrates through the partition plate and vertically extends into the air inlet cavity, and a vertical cylindrical hole is formed in the axis of the lower surface of the pressure bearing seat;
the storage mechanism comprises a gas storage tank, the gas storage tank is arranged at one end, far away from the liquefied gas cylinder, of the valve seat, and the inside of the gas storage tank is communicated with the gas outlet cavity.
Furthermore, the lower end of the gas storage tank is rotatably connected with a movable barrel, a barometer is installed on the outer wall of the gas storage tank, and the gas storage tank is approximately in an inverted L shape.
Furthermore, the outer walls of the air storage tank and the movable cylinder are provided with air diffusing holes, and the area of the air diffusing holes is not more than half of the area of the outer walls of the air storage tank and the movable cylinder.
Further, the both sides fixedly connected with two opposite locating pieces at the top of a movable section of thick bamboo, locating piece sliding connection is in the inside of depositing the gas pitcher, and the one end of locating piece still pegs graft with the inside of depositing the gas pitcher.
Furthermore, a through hole matched with the size of the lower end of the pressure bearing seat is formed in the upper surface of the partition plate, a sealing ring is fixedly connected to one end of the partition plate, and the sealing ring surrounds the upper side of the through hole.
Furthermore, the upper end of the valve seat is provided with an installation seat matched with the size of the lower end of the installation seat, and the size of the inner wall of the installation seat is matched with the size of the spring.
Furthermore, the upper end of the upper pressure seat is fixedly connected with a screwing ring, and the screwing ring is arranged on the upper side of the mounting seat.
Furthermore, the upper end of the pressure bearing seat is fixedly connected with a cylinder matched with the inner wall of the spring in size, and the direction of the cylinder is the same as the compression direction of the pressure bearing seat.
Furthermore, the outer wall of the pressure bearing seat is provided with a circular truncated cone at the lower end of the cylinder, and the cross section of the circular truncated cone is in the shape of a cylinder with an outer ring which contracts upwards.
Furthermore, the lower end of the upper pressure seat is fixedly connected with a boss matched with the inner wall of the spring in size, and the outer wall of the boss is a smooth surface.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the scheme, gas flowing into the gas cylinder enters the gas inlet cavity, liquefied gas pushes the pressure bearing seat to lift when the gas pressure is too high, the liquefied gas enters the gas outlet cavity along a gap between the pressure bearing seat and the gas outlet cavity after the gas pressure is raised on the pressure bearing seat, the liquefied gas is pushed by the spring to descend after the gas pressure is reduced, the partition plate is blocked, when the elastic force of the spring is slightly reduced, the upper pressing seat is rotated to push the upper end of the spring to descend, the pressure of the spring on the pressure bearing seat can be increased, after the spring is adjusted to be in a metal fatigue stage for many times, in order to avoid the safety accident caused by the fact that the pressure in the gas cylinder is too high due to the fact that the pressure bearing seat cannot normally move, the mounting seat is unscrewed from the upper end of the valve seat, and the spring can be easily taken out and replaced;
2. in this scheme, the part that movable cylinder did not be equipped with scattered gas pocket can be covered with the part that the gas storage tank inner wall was equipped with scattered gas pocket, the liquefied gas storage that the gas storage tank flowed into the intracavity of giving vent to anger is in the gas storage tank, the capacity of the liquefied gas of leaking has also been enlarged through the gas storage tank, observe through the barometer and show that gas pressure is too big in the gas storage tank, rotate movable cylinder and make the gas pocket overlap that looses of movable cylinder and gas storage tank outer wall, can make the excessive liquefied gas in the gas storage tank obtain the release, can increase the resistance when movable cylinder starts when the inside of gas storage tank is sealed and is lost air the switching of two kinds of states through the locating piece, the manipulation of the device of being convenient for.
Drawings
FIG. 1 is a schematic elevation view of an intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder in an embodiment;
FIG. 2 is a schematic structural diagram of an intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder in the embodiment;
FIG. 3 is a schematic diagram of a movable cylinder in the intelligent pressure reducing valve for monitoring the internal pressure of the liquefied gas cylinder in the embodiment.
In the figure:
1-a valve seat; 2-a separation mechanism; 3-a pressure resistance mechanism; 4-a storage mechanism; 5-an air inlet cavity; 6-air outlet cavity; 7-a separator; 8-a mounting seat; 9-pressing the base; 10-a spring; 11-a pressure bearing seat; 12-a gas storage tank; 13-a movable cylinder; 14-barometer; 15-air diffusing holes; 16-positioning block.
Detailed Description
Example 1;
an intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder, as shown in figures 1-3, comprises,
the device comprises a valve seat 1, a separation mechanism 2 and a pressure resistance mechanism 3, wherein one end of the valve seat 1 is communicated with the inside of a liquefied gas cylinder, so that the liquefied gas in the liquefied gas cylinder can enter the valve seat 1 conveniently; the partition mechanism 2 is arranged in the valve seat 1 and divides the space in the valve seat 1 into an air inlet cavity 5 and an air outlet cavity 6, liquefied gas entering the valve seat 1 is partitioned through the air inlet cavity 5 and the air outlet cavity 6, and parts needing to be released are screened out, the partition mechanism 2 comprises a partition plate 7, the partition plate 7 is fixedly connected in the valve seat 1, the air inlet cavity 5 and the air outlet cavity 6 of the valve seat 1 are partitioned through the partition plate 7, and the air inlet cavity 5 is positioned on one side, close to a liquefied gas bottle, in the valve seat 1 to contain the liquefied gas in advance; the pressure resistance mechanism 3 comprises a mounting seat 8, in order to facilitate replacement of a spring 10, the mounting seat 8 is in threaded connection with the center of the upper surface of the valve seat 1, the upper end of the mounting seat 8 is in threaded connection with an upper pressure seat 9, the upper pressure seat 9 can push the spring 10 to sink and push a pressure bearing seat 11, normal use of the spring 10 can be kept when fatigue symptoms of the spring 10 are light through the upper pressure seat 9, the lower surface of the upper pressure seat 9 is abutted against one end of the spring 10, the lower end of the spring 10 is abutted against the upper surface of the pressure bearing seat 11, the pressure bearing seat 11 blocks liquefied gas in the gas inlet cavity 5 from flowing into the gas outlet cavity 6 through thrust provided by the spring 10, the pressure bearing seat 11 is inserted into one end of the partition plate 7, the lower end of the pressure bearing seat 11 penetrates through the partition plate 7 to vertically extend into the gas inlet cavity 5, a vertical cylindrical hole is formed in the axis of the lower surface of the pressure bearing seat 11, when the gas inlet cavity 5 exceeds a set value, the gas pressure pushes the pressure bearing seat 11 to rise, and excessive gas enters the gas outlet cavity 6, and the pressure bearing seat 11 descends under the action of the spring 10 to plug the communication part of the gas inlet cavity 5 and the gas outlet cavity 6 when the back gas pressure is reduced.
In the embodiment, in order to facilitate the pressure bearing seat 11 to penetrate through the partition plate 7 and ensure the air tightness of the structure, a through hole matched with the size of the lower end of the pressure bearing seat 11 is formed in the upper surface of the partition plate 7, a sealing ring is fixedly connected to one end of the partition plate 7 and surrounds the upper side of the through hole, and the sealing ring can prevent a small air flow in the air inlet cavity 5 from permeating into the air outlet cavity 6 through a gap between the pressure bearing seat 11 and the partition plate 7.
Wherein, for the installation and the dismantlement of mount pad 8, the upper end of disk seat 1 is provided with the mount pad with 8 lower extreme size looks adaptations of mount pad, and the stretch-draw of spring 10 in the inboard of mount pad 8 can be helped to the inner wall size of mount pad 8 and the size looks adaptation of spring 10 smooth.
As shown in the figure, in order to facilitate the rotation of the upper pressing base 9, a screwing ring is fixedly connected to the upper end of the upper pressing base 9 and arranged on the upper side of the mounting base 8.
It can be understood that, in order to restrain the moving path of the spring 10 and reduce the jamming risk, a cylinder with a size matched with the inner wall of the spring 10 is fixedly connected to the upper end of the pressure bearing seat 11, and the orientation of the cylinder is the same as the compression direction of the pressure bearing seat 11, so that the movement of the pressure bearing seat 11 is smoother.
Similarly, for making things convenient for on press seat 9 to fix spring 10, prevent that spring 10 from wriggling, the lower extreme fixedly connected with of pressing seat 9 on and the boss of spring 10 inner wall size looks adaptation, the outer wall of boss is smooth surface, and spring 10 can not cause too big resistance to it when mount pad 8 takes off.
It can be understood that, in order to avoid the pressure-bearing seat 11 from being clamped when sliding in the valve seat 1, the outer wall of the pressure-bearing seat 11 is provided with a circular truncated cone at the lower end of the cylinder, and the cross section of the circular truncated cone is in the shape of a cylinder with an outer ring which contracts upwards, so that the vertical movement of the pressure-bearing seat 11 is more stable.
In the embodiment, the gas flowing into the gas cylinder enters the gas inlet cavity 5, the liquefied gas pushes the pressure bearing seat 11 to lift when the gas pressure is overlarge, and enters the air outlet cavity 6 along the gap between the pressure bearing seat 11 and the air outlet cavity 6 after being lifted on the pressure bearing seat 11, the air pressure is reduced and then is pushed by the spring 10 to descend so as to seal the clapboard 7, when the elastic force of the spring 10 is slightly reduced, the upper pressing seat 9 is rotated to push the upper end of the spring 10 to be reduced in height, the pressure of the spring 10 on the pressure bearing seat 11 can be increased, after the spring 10 is adjusted to the metal fatigue stage many times, in order to avoid the safety accident caused by the overlarge pressure in the gas cylinder due to the abnormal movement of the pressure bearing seat 11, the mounting seat 8 is unscrewed from the upper end of the valve seat 1, the spring 10 can be easily taken out and replaced, at the moment, the circular truncated cone of the pressure bearing seat 11 is lifted under the influence of air pressure, the top of the inner wall of the valve seat 1 is opened to block the through hole of the mounting seat 8, and the air tightness of the device is maintained.
Example 2
The intelligent pressure reducing valve for monitoring the internal pressure of the liquefied gas cylinder, as shown in figures 1-3, is different from the embodiment 1 in that the intelligent pressure reducing valve further comprises,
It can be understood that, in order to discharge the liquefied gas stored in the gas storage tank 12, the lower end of the gas storage tank 12 is rotatably connected with the movable cylinder 13, the barometer 14 is installed on the outer wall of the gas storage tank 12, so that the gas pressure in the gas storage tank 12 can be checked, the safety management of the gas cylinder is convenient, and the gas storage tank 12 is approximately in an inverted L shape to reduce the transverse occupied space.
Specifically, for liquefied gas to be discharged from the gas storage tank 12, the outer walls of the gas storage tank 12 and the movable cylinder 13 are respectively provided with a gas diffusion hole 15, and the area of the gas diffusion hole 15 is not more than half of the area of the outer walls of the gas storage tank 12 and the movable cylinder 13, so that the liquefied gas is prevented from being accidentally leaked, and the structure of the gas storage tank 12 is safer.
Wherein, in order to avoid the random rotation of a movable cylinder 13, two opposite positioning blocks 16 are fixedly connected to two sides of the top of the movable cylinder 13, the positioning blocks 16 are slidably connected in the gas storage tank 12, and one end of each positioning block 16 is also inserted in the gas storage tank 12, so that the stable maintenance of the inside of the gas storage tank 12 in two states of sealing and air leakage is facilitated.
In this embodiment, the part of the movable cylinder 13 not provided with the air diffusing holes 15 can cover the part of the inner wall of the air storage tank 12 provided with the air diffusing holes 15, the liquefied gas flowing into the air outlet cavity 6 from the air storage tank 12 is stored in the air storage tank 12, the volume of the liquefied gas leaked outside is also enlarged through the air storage tank 12, when the pressure of the gas in the air storage tank 12 is too high through the barometer 14, the movable cylinder 13 is rotated to overlap the air diffusing holes 15 on the outer wall of the movable cylinder 13 and the air storage tank 12, so that the excessive liquefied gas in the air storage tank 12 can be released, the resistance of the movable cylinder 13 during starting can be increased when the two states of sealing and air leaking are switched through the positioning block 16 in the interior of the air storage tank 12, and the device can be conveniently operated.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. Pressure monitoring intelligence relief pressure valve in the liquefied gas cylinder, its characterized in that includes:
one end of the valve seat (1) is communicated with the inside of the liquefied gas cylinder;
the separating mechanism (2) is arranged inside the valve seat (1), the separating mechanism (2) comprises a partition plate (7), the partition plate (7) is fixedly connected inside the valve seat (1), the inside of the valve seat (1) is divided into an air inlet cavity (5) and an air outlet cavity (6) through the partition plate (7), and the air inlet cavity (5) is located on one side, close to the liquefied gas cylinder, inside the valve seat (1);
the pressure resistance mechanism (3) comprises a mounting seat (8), the mounting seat (8) is in threaded connection with the center of the upper surface of the valve seat (1), the upper end of the mounting seat (8) is in threaded connection with an upper pressure seat (9), the lower surface of the upper pressure seat (9) is abutted to one end of a spring (10), the lower end of the spring (10) is abutted to the upper surface of a pressure bearing seat (11), the pressure bearing seat (11) is inserted into one end of a partition plate (7), the lower end of the pressure bearing seat (11) penetrates through the partition plate (7) and vertically extends into the air inlet cavity (5), and a vertical cylindrical hole is formed in the axis of the lower surface of the pressure bearing seat (11);
the storage mechanism (4) comprises a gas storage tank (12), the gas storage tank (12) is installed at one end, away from the liquefied gas cylinder, of the valve seat (1), and the inside of the gas storage tank (12) is communicated with the gas outlet cavity (6).
2. The intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder according to claim 1, wherein: the lower end of the air storage tank (12) is rotatably connected with a movable barrel (13), an air pressure gauge (14) is installed on the outer wall of the air storage tank (12), and the shape of the air storage tank (12) is approximate to an inverted L shape.
3. The intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder according to claim 2, wherein: air dispersion holes (15) are formed in the outer walls of the air storage tank (12) and the movable barrel (13), and the area of each air dispersion hole (15) is not more than half of the area of the outer walls of the air storage tank (12) and the movable barrel (13).
4. The intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder according to claim 2, wherein: two opposite positioning blocks (16) are fixedly connected to two sides of the top of the movable cylinder (13), the positioning blocks (16) are connected to the inside of the gas storage tank (12) in a sliding mode, and one ends of the positioning blocks (16) are further inserted into the inside of the gas storage tank (12).
5. The intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder according to claim 1, wherein: the upper surface of the partition plate (7) is provided with a through hole matched with the size of the lower end of the pressure bearing seat (11), one end of the partition plate (7) is fixedly connected with a sealing ring, and the sealing ring surrounds the upper side of the through hole.
6. The intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder according to claim 1, wherein: the upper end of the valve seat (1) is provided with a mounting seat matched with the size of the lower end of the mounting seat (8), and the size of the inner wall of the mounting seat (8) is matched with the size of the spring (10).
7. The intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder according to claim 1, wherein: the upper end of the upper pressure seat (9) is fixedly connected with a screwing ring, and the screwing ring is arranged on the upper side of the mounting seat (8).
8. The intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder according to claim 1, wherein: the upper end of the pressure bearing seat (11) is fixedly connected with a cylinder matched with the inner wall of the spring (10) in size, and the direction of the cylinder is the same as the compression direction of the pressure bearing seat (11).
9. The intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder according to claim 8, wherein: the outer wall of the pressure bearing seat (11) is provided with a circular truncated cone at the lower end of the cylinder, and the cross section of the circular truncated cone is in the shape of a cylinder with an outer ring which contracts upwards.
10. The intelligent pressure reducing valve for monitoring the internal pressure of a liquefied gas cylinder according to claim 1, wherein: the lower end of the upper pressure seat (9) is fixedly connected with a boss matched with the inner wall of the spring (10) in size, and the outer wall of the boss is a smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220008310.8U CN216923251U (en) | 2022-01-04 | 2022-01-04 | Intelligent pressure reducing valve for monitoring internal pressure of liquefied gas cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220008310.8U CN216923251U (en) | 2022-01-04 | 2022-01-04 | Intelligent pressure reducing valve for monitoring internal pressure of liquefied gas cylinder |
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| CN216923251U true CN216923251U (en) | 2022-07-08 |
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| CN202220008310.8U Active CN216923251U (en) | 2022-01-04 | 2022-01-04 | Intelligent pressure reducing valve for monitoring internal pressure of liquefied gas cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117346064A (en) * | 2023-11-30 | 2024-01-05 | 龙口市华科电子有限公司 | Intelligent pressure reducing valve with pressure monitoring function for liquefied gas tank |
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2022
- 2022-01-04 CN CN202220008310.8U patent/CN216923251U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117346064A (en) * | 2023-11-30 | 2024-01-05 | 龙口市华科电子有限公司 | Intelligent pressure reducing valve with pressure monitoring function for liquefied gas tank |
| CN117346064B (en) * | 2023-11-30 | 2024-04-09 | 龙口市华科电子有限公司 | Intelligent pressure reducing valve with pressure monitoring function for liquefied gas tank |
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