CN208474584U - The airtight isolating valve of inflatable - Google Patents
The airtight isolating valve of inflatable Download PDFInfo
- Publication number
- CN208474584U CN208474584U CN201820362013.7U CN201820362013U CN208474584U CN 208474584 U CN208474584 U CN 208474584U CN 201820362013 U CN201820362013 U CN 201820362013U CN 208474584 U CN208474584 U CN 208474584U
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- China
- Prior art keywords
- valve
- air bag
- air
- inflatable
- airtight
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- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a kind of airtight isolating valves of inflatable of facilities and equipment that can be used for having high-air-tightness requirement, the airtight isolating valve of inflatable described in the utility model, including valve body, valve plate, switch actuator, shaft, air bag and inflation system, and the leakproofness of gas-tight door can be detected after valve closing, gas-flow closure method described in the utility model is using air bag gas-flow closure, the leakproofness of the air-tightness detection and isolation valve of air bag under valve closing state is isolated by detection, the utility model isolating valve has higher air-tightness and faster switching speed, suitable for the room or other facilities and equipments required with high-air-tightness.
Description
Technical field
This patent is related to safety protection technique and equipment field, is that a kind of can be used for having the facility of high-air-tightness requirement and setting
The airtight isolating valve of standby inflatable.
Background technique
Airtight isolating valve be generally used in the facilities such as high-level biosafety laboratory, nuclear power industry, ship have compared with
The room of high-level air-tightness requirement solves the airtight isolating problem of above-mentioned facility ventilating system.Airtight isolating valve is as ventilation
A part of pipeline, sealing performance largely determine laboratory room overall tightness and air pipeline it is close
Feng Xing.
Currently, common ventilation shaft is mostly rectangular duct, the airtight isolating valve of rectangle is compared to the airtight isolation of conventional circular
Valve is then more suitable for rectangular duct, and round airtight the used mechanical presses sealing means of isolating valve be difficult to it is airtight suitable for rectangle
Isolating valve.Meanwhile certain facility ventilation quantities are larger, the size of required airtight isolating valve is larger, and circular machinery seals off
Valve is limited to be machined, and is difficult to meet the requirements by size.And in order to meet the intensity of mechanical seal, round airtight isolation
Valve body is heavier, for avoid isolating valve in switching process because impact it is larger caused by isolating valve damage, switching speed setting compared with
It is low, it is difficult to accomplish high-speed switch.
Meanwhile isolating valve is after being installed to pipeline, it is difficult to carry out air-leakage test in situ at the scene, can only pass through at present
The overall tightness of detection room enclosure structure or ventilation shaft carrys out the air-tightness of Indirect evaluation isolating valve.If isolating valve is using
It leaks in the process, then the leakproofness decline of facility where will lead to, it could even be possible to leading to major accident.For this purpose,
Can in situ detection isolating valve leakproofness, then seem most important.For this purpose, the utility model is in the sealed isolating valve of tradition machinery
On the basis of, carried out biggish technological innovation, have developed can in situ detection air-tightness the airtight isolating valve of inflatable, may be implemented
High-speed switch and in situ detection air-tightness can be carried out at the scene, can environment where effective guarantee seal request.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide the inflation of a kind of high-air-tightness, high security
The airtight isolating valve of formula makes it effectively close ventilation shaft to solve the above-mentioned problems of the prior art, environment where ensureing
Seal request.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of airtight isolating valve of inflatable, including valve body, valve plate, switch actuator, shaft, air bag and inflation system
System；The shaft is provided on the valve body both ends open and inner chamber locular wall, the shaft passes through the valve body and setting
The switch actuator on the outside of valve body is connected, and the valve plate is located in valve body and is connected with shaft, and the switch executes
Device controls the rotation of valve plate by controlling the shaft rotation；The air bag is centered around valve plate periphery, the inflation
System is connected with the air bag, for inflating to the air bag.
Preferably, groove is set on the valve plate periphery, and the air bag is arranged on groove.
Preferably, the inflation system includes pressure reducing valve, solenoid valve and loading line；The pressure reducing valve and the electromagnetism
Valve connection, the solenoid valve are communicated by passing through the loading line of the valve body with the air bag, and the solenoid valve is opened
For air bag inflation, lose heart after closing for air bag.
Preferably, the inflation system further includes pressure difference switch, pressure difference switch setting the solenoid valve with it is described
On loading line between air bag, it to be used for signal piping pressure difference signal.
Preferably, the switch actuator is pneumatic actuator or Electric Actuator.
Preferably, control panel, the pressure reducing valve, the solenoid valve, Yi Jisuo are provided with beside the switch actuator
Pressure difference switch is stated to be fixed on the control panel.
Preferably, the control panel is equipped with control circuit, and the control circuit is opened with the solenoid valve, the pressure difference
It closes and switch actuator is connected.
Preferably, the airtight isolating valve of the inflatable further includes air-tightness detection device, and is arranged in the pressure difference switch
On loading line between air bag, for detecting the air-tightness of the air bag under isolation valve closing state, judgement
The leakproofness of isolating valve.
Preferably, the air-tightness detection device includes hand stop valve and air-leakage test interface；The manual shutoff
Valve is connected with the pressure difference switch, air-leakage test interface setting the hand stop valve and the air bag it
Between loading line on.
It starts switch actuator and controls shaft rotational valve plate to after setting sealing station, open solenoid valve, gas is by filling
Air pipe is air bag inflation, and air bag expands groove out, after its inflation, air bag closed valve and valve plate
Between gap, reach sealing state, the airtight isolating valve normal switching-off of inflatable；
After the airtight isolating valve of inflatable reaches Normal Shutdown state, by external pressure-detecting device airtight connection to airtight inspection
Interface is surveyed, after pressure is stablized, closes hand stop valve, observes the gas pressure of air bag in unit time changing value, judgement
Whether air bag reaches normal inflated condition, and then judges the leakproofness of airtight isolating valve.
The utility model has the following beneficial effects:
1. the airtight isolating valve of the utility model inflatable can high-speed switch.The gas-tight door uses air bag gas-flow closure, right
The requirement of mechanical strength of valve plate is low, can effectively reduce the weight of valve body, and torque needed for rotating is smaller, and quick execution device can be used
Carry out high-speed switch.
2. the airtight isolating valve of the utility model inflatable has higher safety.The isolating valve is provided with air-leakage test
Device can detect the air-tightness of isolating valve in the off state；Meanwhile structure of the detecting device is simple, easily realizes.
Detailed description of the invention
Fig. 1 is the airtight isolating valve structural schematic diagram of inflatable provided by the embodiment of the utility model
Fig. 2 is the airtight isolating valve side view of inflatable provided by the embodiment of the utility model.
Fig. 3 is inflation system structure chart provided by the embodiment of the utility model.
Description of symbols
1- valve body；2- valve plate；3- switch actuator；4- shaft；5- control panel；6- groove；7- inflating air
Capsule；8- pressure reducing valve；9- solenoid valve；10- pressure difference switch；11- loading line；12- hand stop valve；The airtight detection of 13-
Interface
Specific embodiment
In order to enable the purpose of this utility model, technical solution and advantage become apparent, retouch in detail below with reference to accompanying drawings
State example embodiment according to the present utility model.Obviously, described embodiment is only that a part of the utility model is implemented
Example, rather than the whole embodiments of the utility model, it should be appreciated that the utility model is not by the limit of example embodiment described herein
System.Based on embodiment described herein, those skilled in the art are obtained in the case where not making the creative labor
All other embodiment should all be fallen within the protection scope of the utility model.In addition, for clarity and brevity, it is convenient to omit right
In the explanation of function and construction known in the art.
It is illustrated with reference first to the airtight isolating valve of inflatable of Fig. 1~3 pair the utility model.As illustrated in fig. 1 and 2, originally
The airtight isolating valve of utility model inflatable, including valve body 1, valve plate 2, switch actuator 3, shaft 4, air bag 7 and inflation
System；Shaft 4 is provided on 1 both ends open of valve body and inner chamber locular wall, shaft 4 passes through valve body 1 and setting in 1 outside of valve body
Switch actuator 3 be connected, valve plate 2 is located in valve body 1 and is connected with shaft 4, and switch actuator 3 is by controlling 4 turns of shaft
The dynamic rotation to control valve plate 2；Air bag 7 is centered around 2 periphery of valve plate, and inflation system is connected with air bag 7, is used for
It is inflated to the air bag 7, groove 6 is set on 2 periphery of valve plate, air bag 7 is arranged on groove 6, and switch actuator 3 is
Pneumatic actuator.
As shown in figure 3, inflation system includes pressure reducing valve 8, solenoid valve 9, pressure difference switch 10 and loading line 11；It is described to subtract
Pressure valve 8 one terminates gas source, and the other end is connected to the solenoid valve 9, and the solenoid valve 9 passes through the gas tube across the valve body 1
Road 11 is communicated with the air bag 7, and the solenoid valve 9 is opened for the inflation of air bag 7, is lost heart after closing for air bag 7,
Pressure difference switch 10 is arranged on the loading line 11 between the solenoid valve 9 and the air bag 7, is used for signal piping pressure difference
Signal.
In conjunction with shown in Fig. 1~3, control panel 5, pressure reducing valve 8, solenoid valve 9 and pressure are provided with beside switch actuator 3
Difference switch 10 is fixed on control panel 5.Control panel 5 is equipped with control circuit, control circuit and solenoid valve 9, pressure difference switch
10 and switch actuator 3 be connected.
In another embodiment of the utility model, the airtight isolating valve of inflatable includes further including outside one device of above-described embodiment
Air-tightness detection device, including hand stop valve 12 and air-leakage test interface 13；The hand stop valve 12 and the pressure difference
Switch 10 is connected, and the air-leakage test interface 13 is arranged between the hand stop valve 12 and the air bag 7
On loading line 11, for detecting the air-tightness of the air bag 7 under isolation valve closing state, the sealing of detection and isolation valve
Property.In addition hand stop valve 12 and air-leakage test interface 13, which also can according to need, is fixed on control panel 5.
It starts switch actuator 3 and controls 4 rotational valve plate 2 of shaft to after setting sealing station, open solenoid valve 9, gas is logical
Air pipe 11 is overcharged as the inflation of air bag 7, air bag 7 expands groove 6 out, after its inflation, the closing of air bag 7
Gap between valve body 1 and valve plate 2 reaches sealing state, the airtight isolating valve normal switching-off of inflatable；
After the airtight isolating valve of inflatable reaches Normal Shutdown state, by external pressure-detecting device airtight connection to airtight inspection
Interface 13 is surveyed, after pressure is stablized, closes hand stop valve 12, observes the gas pressure of air bag 7 in unit time changing value,
Judge whether air bag 7 reaches normal inflated condition, and then judges the leakproofness of airtight isolating valve.Its principle is using pressure
Damped method detects the air-tightness of air bag, and pressure-decay method is by measuring empty cavity pressure in the changing value meter of unit time
Calculate slip.
Those skilled in the art should understand that: the above various embodiments is only to illustrate the technical side of the utility model
Case, rather than its limitations；Although the present invention has been described in detail with reference to the aforementioned embodiments, but the skill of this field
Art personnel are possible to modify the technical solutions described in the foregoing embodiments, or special to some or all of technologies
Sign is equivalently replaced；And these are modified or replaceed, the utility model right that it does not separate the essence of the corresponding technical solution
The range of claim.
Claims (9)
1. a kind of airtight isolating valve of inflatable, which is characterized in that including valve body (1), valve plate (2), switch actuator (3), shaft
(4), air bag (7) and inflation system；The shaft is provided on valve body (1) both ends open and inner chamber locular wall
(4), the shaft (4) passes through the valve body (1) and is connected with the switch actuator (3) being arranged on the outside of valve body (1), institute
It states valve plate (2) and is located in valve body (1) and be connected with shaft (4), the switch actuator (3) is by controlling the shaft (4) turn
The dynamic rotation to control valve plate (2)；The air bag (7) is centered around valve plate (2) periphery, and the inflation system is filled with described
Gas air bag (7) is connected, for inflating to the air bag (7).
2. the airtight isolating valve of inflatable according to claim 1, which is characterized in that be arranged on valve plate (2) periphery recessed
Slot (6), the air bag (7) are arranged on groove (6).
3. the airtight isolating valve of inflatable according to claim 2, which is characterized in that the inflation system includes pressure reducing valve
(8), solenoid valve (9) and loading line (11)；The pressure reducing valve (8) is connected to the solenoid valve (9), the solenoid valve (9)
Loading line (11) by passing through the valve body (1) is communicated with the air bag (7), and the solenoid valve (9) is opened for filling
Gas air bag (7) inflation, loses heart after closing for air bag (7).
4. the airtight isolating valve of inflatable according to claim 3, which is characterized in that the inflation system further includes that pressure difference is opened
It closes (10), the loading line (11) that the pressure difference switch (10) is arranged between the solenoid valve (9) and the air bag (7)
On, it is used for signal piping pressure difference signal.
5. the airtight isolating valve of inflatable according to claim 4, which is characterized in that the switch actuator (3) is pneumatic
Actuator or Electric Actuator.
6. the airtight isolating valve of inflatable according to claim 5, which is characterized in that set beside the switch actuator (3)
It is equipped with control panel (5), the pressure reducing valve (8), the solenoid valve (9) and the pressure difference switch (10) are fixed on the control
On panel (5) processed.
7. the airtight isolating valve of inflatable according to claim 6, which is characterized in that the control panel (5) is equipped with control
Circuit processed, the control circuit are connected with the solenoid valve (9), the pressure difference switch (10) and switch actuator (3).
8. according to the airtight isolating valve of the described in any item inflatables of claim 4-7, which is characterized in that the inflatable is airtight
Isolating valve further includes air-tightness detection device, and the gas tube being arranged between the pressure difference switch (10) and air bag (7)
On road (11), for detecting the air-tightness of the air bag (7) under isolation valve closing state, the leakproofness of detection and isolation valve.
9. the airtight isolating valve of inflatable according to claim 8, which is characterized in that the air-tightness detection device includes hand
Dynamic shut-off valve (12) and air-leakage test interface (13)；The hand stop valve (12) is connected with the pressure difference switch (10),
The loading line that the air-leakage test interface (13) is arranged between the hand stop valve (12) and the air bag (7)
(11) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362013.7U CN208474584U (en) | 2018-03-16 | 2018-03-16 | The airtight isolating valve of inflatable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362013.7U CN208474584U (en) | 2018-03-16 | 2018-03-16 | The airtight isolating valve of inflatable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474584U true CN208474584U (en) | 2019-02-05 |
Family
ID=65206082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362013.7U Withdrawn - After Issue CN208474584U (en) | 2018-03-16 | 2018-03-16 | The airtight isolating valve of inflatable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474584U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716561A (en) * | 2018-03-16 | 2018-10-30 | 军事科学院系统工程研究院卫勤保障技术研究所 | The airtight isolating valve of inflatable |
| CN110906018A (en) * | 2019-11-25 | 2020-03-24 | 温州市海格阀门有限公司 | High leakproofness gate valve |
| CN112413763A (en) * | 2020-11-30 | 2021-02-26 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN112747870A (en) * | 2021-02-04 | 2021-05-04 | 大同泰瑞集团建设有限公司 | Passive form is portable adjustable local gas tightness testing arrangement for building |
-
2018
- 2018-03-16 CN CN201820362013.7U patent/CN208474584U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716561A (en) * | 2018-03-16 | 2018-10-30 | 军事科学院系统工程研究院卫勤保障技术研究所 | The airtight isolating valve of inflatable |
| CN108716561B (en) * | 2018-03-16 | 2024-05-07 | 军事科学院系统工程研究院卫勤保障技术研究所 | Inflatable airtight isolation valve |
| CN110906018A (en) * | 2019-11-25 | 2020-03-24 | 温州市海格阀门有限公司 | High leakproofness gate valve |
| CN112413763A (en) * | 2020-11-30 | 2021-02-26 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN112747870A (en) * | 2021-02-04 | 2021-05-04 | 大同泰瑞集团建设有限公司 | Passive form is portable adjustable local gas tightness testing arrangement for building |
| CN112747870B (en) * | 2021-02-04 | 2022-12-20 | 大同泰瑞集团建设有限公司 | Passive form is portable adjustable local gas tightness testing arrangement for building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190205 Effective date of abandoning: 20240507 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190205 Effective date of abandoning: 20240507 |