CN219911894U - Residual pressure valve controller for differential pressure linkage of opening and closing structure and smoke exhaust fireproof valve - Google Patents
Residual pressure valve controller for differential pressure linkage of opening and closing structure and smoke exhaust fireproof valve Download PDFInfo
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- CN219911894U CN219911894U CN202320924841.6U CN202320924841U CN219911894U CN 219911894 U CN219911894 U CN 219911894U CN 202320924841 U CN202320924841 U CN 202320924841U CN 219911894 U CN219911894 U CN 219911894U
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- 239000000779 smoke Substances 0.000 title abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 230000001105 regulatory effect Effects 0.000 claims abstract description 31
- 238000004378 air conditioning Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to the field of residual pressure valve controllers, and in particular discloses a residual pressure valve controller for pressure difference linkage of a start-stop structure and a smoke exhaust fireproof valve, which comprises the following components: the device comprises a device body, wherein a pressure release cavity is formed in the device body; when in actual use, the method comprises the following steps: when flue gas gets into the residual pressure valve controller, get into in the differential pressure regulator device body through the air inlet, and in the inside of pressure regulating chamber, pressure improves the extrusion diaphragm and takes place deformation when the atmospheric pressure improves, promote the regulation pole and rise and promote the connecting rod, make sealing flap and limiting plate break away from the contact, make flue gas can be smooth discharge pressure release through the gas outlet, when pressure is replied, the spring resilience makes sealing flap and limiting plate go on closing, in order to avoid its elasticity coefficient to change when spring live time overlength to influence sealed effect, extrude the spring with this better sealed effect through rotatory locating piece, can be nimble adjust according to the atmospheric pressure change, improve the operational sensitivity of residual pressure valve controller simultaneously.
Description
Technical Field
The utility model relates to the field of residual pressure valve controllers, in particular to a residual pressure valve controller for differential pressure linkage of a start-stop structure and a smoke exhaust fireproof valve.
Background
The excess pressure valve controller is mainly composed of a core component called a pressure sensitive regulator. The differential pressure regulator is internally provided with a diaphragm and a pair of valves. The diaphragm is connected with the valve through a connecting rod, and when the air pressure changes, the diaphragm will displace accordingly, so that the valve is acted by force to achieve an open or closed state.
In the prior art, when a differential pressure regulator in a common residual pressure valve controller is opened and closed, a spring at a connecting rod of the differential pressure regulator needs to work frequently.
However, the spring changes its gas spring rate during long-term operation, thereby affecting the sealing effect of the sealing flap and thus the sensitivity of the residual pressure valve controller.
Disclosure of Invention
The utility model aims to provide an opening and closing structure and a residual pressure valve controller for differential pressure linkage of a smoke exhaust fireproof valve, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an opening and closing structure, the opening and closing structure comprising:
the device comprises a device body, wherein a pressure release cavity is formed in the device body, an air inlet and an air outlet are formed in inner walls of two sides of the device body, which are close to the pressure release cavity, respectively, a limit plate is arranged on one side inner wall of the pressure release cavity, and a sealing gasket is arranged on one end side wall of the limit plate;
the pressure regulating cavity is arranged in the device body, an air inlet channel communicated with the air inlet is formed in the inner wall of one side of the pressure regulating cavity, a diaphragm is arranged on the inner wall of the pressure regulating cavity through a mounting disc, and an adjusting rod which is in sliding connection with the pressure relief cavity is fixedly connected with the outer wall of one side of the mounting disc; a kind of electronic device with high-pressure air-conditioning system
The device comprises a device body, wherein a regulating through groove is formed in one end side wall of the device body, a limiting groove is formed in one end inner wall of the regulating through groove, a positioning block is mounted on the inner wall of the regulating through groove, a connecting rod is arranged on the inner wall of the positioning block, a sealing valve is fixedly connected to one side of the connecting rod, a spring is fixedly connected to one side outer wall of the sealing valve, and a regulating groove in tight contact with one end of the regulating rod is formed in one end side wall of the connecting rod.
Preferably, the side wall at one end of the limiting plate and the outer walls at two sides of the limiting plate are fixedly connected with the inner wall of the pressure relief cavity.
Preferably, the edge of the diaphragm is fixedly connected with the inner wall of the pressure regulating cavity.
Preferably, the outer wall of the positioning block is in threaded connection with the inner wall of the adjusting through groove, and the inner wall of the positioning block is in sliding connection with the outer wall of the connecting rod.
Preferably, one end side wall of the spring is in close contact with one end side wall of the positioning block.
Preferably, the inner wall of the adjusting groove is fixedly connected with a sealing ring which is tightly contacted with the sealing valve, and the sealing valve is tightly contacted with the sealing gasket during sealing.
The residual pressure valve controller for the differential pressure linkage of the smoke exhaust fireproof valve comprises the opening and closing structure.
Compared with the prior art, the utility model has the beneficial effects that:
when flue gas gets into the residual pressure valve controller, get into in the differential pressure regulator device body through the air inlet, and in the inside of pressure regulating chamber, pressure improves the extrusion diaphragm and takes place deformation when the atmospheric pressure improves, promote the regulation pole and rise and promote the connecting rod, make sealing flap and limiting plate break away from the contact, make flue gas can be smooth discharge pressure release through the gas outlet, when pressure is replied, the spring resilience makes sealing flap and limiting plate go on closing, in order to avoid its elasticity coefficient to change when spring live time overlength to influence sealed effect, extrude the spring with this better sealed effect through rotatory locating piece, can be nimble adjust according to the atmospheric pressure change, improve the operational sensitivity of residual pressure valve controller simultaneously.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a cross-sectional view of the overall structure of the present utility model.
In the figure: the device comprises a device body 1, an air inlet 2, an air outlet 3, a pressure regulating cavity 4, an air inlet channel 5, a mounting disc 6, a diaphragm 7, an adjusting rod 8, a pressure relief cavity 9, a limiting plate 10, a sealing gasket 11, an adjusting through groove 12, a positioning block 13, a connecting rod 14, a sealing flap 15, a limiting groove 16, a sealing ring 17, a spring 18 and an adjusting groove 19.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Embodiment one:
referring to fig. 1 and 2, the present utility model provides a technical solution: the device comprises a device body 1, wherein a pressure release cavity 9 is formed in the device body 1, an air inlet 2 and an air outlet 3 are respectively formed in inner walls of two sides of the device body 1, which are close to the pressure release cavity 9, a limiting plate 10 is arranged on the inner wall of one side of the pressure release cavity 9, and a sealing gasket 11 is arranged on the side wall of one end of the limiting plate 10; the pressure regulating cavity 4 is formed in the device body 1, an air inlet channel 5 communicated with the air inlet is formed in the inner wall of one side of the pressure regulating cavity 4, a diaphragm 7 is mounted on the inner wall of the pressure regulating cavity 4 through a mounting disc 6, and an adjusting rod 8 which is in sliding connection with the pressure relief cavity 9 is fixedly connected to the outer wall of one side of the mounting disc 6; the device comprises a device body 1, an adjusting through groove 12, a limiting groove 16, a positioning block 13, a connecting rod 14, a sealing valve 15, a spring 18, an adjusting groove 19, a regulating rod 8 and a regulating rod 8, wherein the adjusting through groove 12 is formed in one end side wall of the device body 1; a residual pressure valve controller for differential pressure linkage of a smoke exhaust fireproof valve comprises an upper opening and closing structure;
through the opening and closing structure that sets up, the working property of the inside differential pressure regulator of residual pressure valve controller has been improved.
Embodiment two:
referring to fig. 1 and 2, in order to improve the sealing effect of the sealing flap 15, on the basis of the first embodiment, the side wall and two side walls of one end of the limiting plate 10 are fixedly connected with the inner wall of the pressure release chamber 9, the edge of the diaphragm 7 is fixedly connected with the inner wall of the pressure regulating chamber 4, the inner wall of the regulating groove 19 is fixedly connected with a sealing ring 17 tightly contacted with the sealing flap 15, and the sealing flap 15 is tightly contacted with the sealing gasket 11 during sealing;
the sealing effect is further improved by the sealing gasket 11 and the sealing ring 17 arranged at the two sides of the sealing flap 15
Embodiment III:
referring to fig. 1 and 2, in order to further improve the sealing effect, on the basis of the second embodiment, the outer wall of the positioning block 13 is in threaded connection with the inner wall of the adjusting through groove 12, the inner wall of the positioning block 13 is in sliding connection with the outer wall of the connecting rod 14, and one end side wall of the spring 18 is in close contact with one end side wall of the positioning block 13;
by rotating the positioning block 13 to press the spring 18, a stronger pressure is applied to the lower sealing flap 15, thereby improving the sealing effect.
When in actual use, when the flue gas enters the residual pressure valve controller chamber, the flue gas enters the differential pressure regulator device body 1 through the air inlet 2 and enters the pressure regulating cavity 4 through the air inlet channel 5, when the air pressure is increased, the pressure in the pressure regulating cavity 4 is increased, the extrusion diaphragm 7 deforms, meanwhile, the adjusting rod 8 is pushed to rise so as to push the connecting rod 14 to rise, so that the sealing valve 15 and the limiting plate 10 are separated from contact, the flue gas can be smoothly discharged and decompressed through the air outlet 3, when the pressure returns, the spring 18 rebounds to enable the sealing valve 15 and the sealing gasket 11 on the limiting plate 10 to be tightly contacted for closing, when the spring 18 is excessively long in service time, in order to avoid the influence of the change of the elastic coefficient on the sealing effect, the spring 18 is extruded through the rotary positioning block 13 so as to obtain better sealing effect, the adjustment can be flexibly carried out according to the air pressure change, and meanwhile, the working sensitivity of the residual pressure valve controller is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An open-close structure, characterized in that: the opening and closing structure comprises:
the device comprises a device body (1), wherein a pressure release cavity (9) is formed in the device body (1), an air inlet (2) and an air outlet (3) are formed in inner walls of two sides, close to the pressure release cavity (9), of the device body (1), a limiting plate (10) is arranged on one inner wall of one side of the pressure release cavity (9), and a sealing gasket (11) is arranged on one side wall of the limiting plate (10);
the pressure regulating cavity (4), the pressure regulating cavity (4) is arranged in the device body (1), an air inlet channel (5) communicated with the air inlet is formed in the inner wall of one side of the pressure regulating cavity (4), a diaphragm (7) is mounted on the inner wall of the pressure regulating cavity (4) through a mounting disc (6), and an adjusting rod (8) which is in sliding connection with the pressure releasing cavity (9) is fixedly connected with the outer wall of one side of the mounting disc (6); a kind of electronic device with high-pressure air-conditioning system
The device comprises a device body (1), wherein a regulating through groove (12) is formed in the side wall of one end of the device body (1), a limiting groove (16) is formed in the inner wall of one end of the regulating through groove (12), a positioning block (13) is mounted on the inner wall of the regulating through groove (12), a connecting rod (14) is arranged on the inner wall of the positioning block (13), a sealing valve (15) is fixedly connected to one side of the connecting rod (14) outside, a spring (18) is fixedly connected to one side of the sealing valve (15), and a regulating groove (19) in tight contact with one end of the regulating rod (8) is formed in the side wall of one end of the connecting rod (14).
2. An opening and closing structure according to claim 1, characterized in that: the side wall at one end of the limiting plate (10) and the outer walls at two sides of the limiting plate are fixedly connected with the inner wall of the pressure relief cavity (9).
3. An opening and closing structure according to claim 1, characterized in that: the edge of the diaphragm (7) is fixedly connected with the inner wall of the pressure regulating cavity (4).
4. An opening and closing structure according to claim 1, characterized in that: the outer wall of the positioning block (13) is in threaded connection with the inner wall of the adjusting through groove (12), and the inner wall of the positioning block (13) is in sliding connection with the outer wall of the connecting rod (14).
5. An opening and closing structure according to claim 1, characterized in that: one end side wall of the spring (18) is tightly contacted with one end side wall of the positioning block (13).
6. A start-stop structure according to claim 3, characterized in that: the inner wall of the adjusting groove (19) is fixedly connected with a sealing ring (17) which is tightly contacted with the sealing valve (15), and the sealing valve (15) is tightly contacted with the sealing gasket (11) during sealing.
7. The utility model provides a differential pressure linkage of fire prevention valve is with residual pressure valve controller, its characterized in that: an opening and closing structure as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924841.6U CN219911894U (en) | 2023-04-23 | 2023-04-23 | Residual pressure valve controller for differential pressure linkage of opening and closing structure and smoke exhaust fireproof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924841.6U CN219911894U (en) | 2023-04-23 | 2023-04-23 | Residual pressure valve controller for differential pressure linkage of opening and closing structure and smoke exhaust fireproof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911894U true CN219911894U (en) | 2023-10-27 |
Family
ID=88424496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320924841.6U Active CN219911894U (en) | 2023-04-23 | 2023-04-23 | Residual pressure valve controller for differential pressure linkage of opening and closing structure and smoke exhaust fireproof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911894U (en) |
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2023
- 2023-04-23 CN CN202320924841.6U patent/CN219911894U/en active Active
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