CN207863812U - Air inflation sealing device and closed chamber - Google Patents
Air inflation sealing device and closed chamber Download PDFInfo
- Publication number
- CN207863812U CN207863812U CN201721886067.5U CN201721886067U CN207863812U CN 207863812 U CN207863812 U CN 207863812U CN 201721886067 U CN201721886067 U CN 201721886067U CN 207863812 U CN207863812 U CN 207863812U
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- gas
- closed chamber
- closed
- sealing device
- silica gel
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Abstract
The utility model is related to a kind of air inflation sealing device and closed chambers, the air inflation sealing device is used for the sealing of closed chamber door, including sealing ring annular groove, gas-flow closure silica gel ring, location switch and compressed air source unit, sealing ring annular groove is set to closed chamber doorway surrounding, gas-flow closure silica gel ring is set in sealing ring annular groove, and gas nozzle is provided on gas-flow closure silica gel ring, and gas nozzle connects compressed air source unit, location switch is fixed on closed box chamber interior walls, and location switch is touched when closed chamber door completely closes.The air inflation sealing device can ensure harmful radgas No leakage in closed box room, can also prevent the gas of the non-cleaning in external environment from entering closed chamber, improve sealing performance.
Description
Technical field
The utility model is related to technical fields such as medical treatment, the equipments of industrial product, especially a kind of air inflation sealing device is used for
The sealing in hot cell, draught cupboard and other closed box rooms door, and the closed chamber using the air inflation sealing device.
Background technology
Ray will produce serious harm to health and natural environment, and the closed chamber such as hot cell, draught cupboard is being put
Ray is will produce in penetrating property drug packing/building-up process, to meet the configuration needs of No leakage, cleanliness factor, sterile etc..Hot cell,
The sealing of draught cupboard and other closed box rooms door is most important, and the close No leakage of sealing of closed chamber door can prevent from radiating
Property gas leak damages personnel, avoids the pollution for causing environment.
The conventional seals mode of the closed chamber such as hot cell, draught cupboard is the pressurization between door and rubber seal/pad,
In sealing rubber ring/between pad and door due to discontinuity of pressurizeing, the reasons such as door-plate flatness both cause this sealing means
Between inevitably there is gap.It can not ensure harmful radgas No leakage in chamber.It has the following problems：
1, closed chamber is at negative pressure working condition (during equipment wind turbine runs well), although can ensure that gas is not outer
It lets out, but the entrance of the gas of non-cleaning in environment can not be prevented.The gas entered by gap or hole will destroy closed
The clean environment of chamber.
2, closed chamber because happen suddenly have a power failure caused by equipment wind turbine shut down or equipment wind turbine stop when closed box it is indoor
When radgas does not discharge clean, due to also having radgas inside closed chamber, it is logical to will result in radgas
It crosses gap or hole leaks into external environment.Jeopardize the health of operating personnel, while will also result in working environment and putting
Penetrate dosage increasing.
Be vacuum insulation sealing means in addition there are a kind of sealing means, be using at seal case doorway sealing ring with
Cavity between door body allows door body to be adsorbed in and realizes sealing after vacuumizing, although can reach protection isolation, but deposit
In the danger of this leakage.When inwardly or outwardly being leaked if any gas, gas will enter the cavity between sealing ring and door body
It is interior, it is extracted out by vacuum plant.
Utility model content
The utility model for existing sealing means there are the problem of, a kind of novel air inflation sealing device is provided,
It is surround with gas-flow closure silica gel ring around closed chamber doorway, keeps its expansion realization close by being inflated in gas-flow closure silica gel ring
Envelope, ensures that closed chamber is not revealed, and improves sealing performance.The utility model further relates to a kind of using the close of the air inflation sealing device
Closed box room.
The technical solution of the utility model is as follows：
A kind of air inflation sealing device is used for the sealing of closed chamber door, which is characterized in that including sealing ring annular groove, inflation
Sealed silicon cushion rubber, location switch and compressed air source unit, the sealing ring annular groove are set to closed chamber doorway surrounding, and the inflation is close
Envelope silica gel ring is set in sealing ring annular groove, and gas nozzle, the gas nozzle connection air source dress are provided on the gas-flow closure silica gel ring
It sets, the location switch is fixed on closed box chamber interior walls, and location switch is touched when closed chamber door completely closes.
The compressed air source unit includes the tracheae and air pump set gradually on tracheae, pneumatic control components and fast quick access
Head, the quick coupling are connected with the gas nozzle of gas-flow closure silica gel ring.
The pneumatic control components include electromagnetic change-over valve and pressure regulator valve, air pump are set gradually on the tracheae, electromagnetism turns
Change valve, pressure regulator valve and quick coupling.
The gas-flow closure silica gel ring uses medical silica-gel.
The gas of the compressed air source unit is compressed air.
The pressure of the pressure regulation valve regulation is 2.5Bar -3Bar.
The electromagnetic change-over valve has the function of two kinds of charge valve and air bleeding valve, is charge valve when closed chamber door is closed,
It is air bleeding valve when closed chamber door is opened.
A kind of closed chamber, including closed case and closed chamber door, the closed case correspond to the position of closed chamber door
Install closed chamber doorway, which is characterized in that further include above-mentioned air inflation sealing device.
The closed case is also communicated with air duct, and air duct control valve and wind turbine are set gradually on air duct.
The closed chamber door is organic glass door.
The technique effect of the utility model is as follows：
Air inflation sealing device provided by the utility model, for the hot cell in the workplaces such as medical treatment, industrial production, ventilation
The sealing of cupboard and other closed box rooms door, setting sealing ring annular groove, gas-flow closure silica gel ring, location switch and compressed air source unit,
Sealing ring annular groove is set around closed chamber doorway and is surround with gas-flow closure silica gel ring, closed chamber is detected by location switch
Whether door closes, and location switch is touched when closed chamber door completely closes, by compressed air source unit by gas nozzle to gas-flow closure silicon
Cushion rubber is filled with the gas of certain pressure so that gas-flow closure silica gel ring expands, and gas-flow closure silica gel ring is around the closed chamber of compression
Door, closed chamber keep sealing not to reveal, even if the door-plate of closed chamber door the reason of there are flatness, there is gas-flow closure silica gel
The adjusting of circle then will not have gap between closed chamber door, ensure that sealing performance, avoid traditional sealing means
It causes to deposit therebetween due to its pressurize between door discontinuity and door-plate flatness etc. using sealing rubber ring/pad
The gap the problem of, the air inflation sealing device of the utility model design can ensure in closed box room harmful radgas without
Leakage can also prevent the gas of the non-cleaning in external environment from entering closed chamber, ensure the indoor clean environment of seal chamber.
Even if closed chamber accident power-off cause equipment wind turbine shut down or equipment wind turbine stop when the indoor radiation of closed box
Property gas when not discharging clean, the gas in gas-flow closure silica gel ring still can keep sealing, and have inside closed chamber
Radgas will not leak into external environment, ensure that the health of operating personnel.
The utility model further relates to a kind of closed chamber using the air inflation sealing device, can be medical treatment, industrial production
The various closed chambers in such as hot cell, draught cupboard in equal workplaces, realize that closed chamber door is being closed by air inflation sealing device
When keep sealing, in radiopharmaceutical packing/building-up process, which can prevent the leakage of radio gas and outer
The intrusion of the non-clean gas in boundary, fully meets the configuration needs of No leakage and cleanliness factor etc..
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model air inflation sealing device.
Fig. 2 a and Fig. 2 b are respectively the front view and vertical view of gas-flow closure silica gel ring.
Fig. 3 is compressed air source unit preferred structure block diagram.
Fig. 4 is the preferred structure schematic diagram of the closed chamber of the utility model.
Each label lists as follows in figure：
1- sealing ring annular grooves；2- gas-flow closure silica gel rings；21- gas nozzles；3- closed case；4- location switches；5-
Closed chamber door；61- air pumps；62- electromagnetic change-over valves；63- pressure regulator valves；64- quick couplings；65- tracheaes；The air ducts 71-；
The air ducts 72- control valve；73- wind turbines.
Specific implementation mode
The utility model is illustrated below in conjunction with the accompanying drawings.
The utility model is related to a kind of air inflation sealing device, in the workplaces such as medical treatment, industrial production hot cell, lead to
The sealing of wind cupboard and other closed box rooms door, as shown in Figure 1, including sealing ring annular groove 1, gas-flow closure silica gel ring 2, location switch
4 and compressed air source unit, sealing ring annular groove 1 be set to closed chamber doorway surrounding, gas-flow closure silica gel ring 2 is set to sealing ring annular groove
In 1, gas nozzle 21 is provided on gas-flow closure silica gel ring 2, gas nozzle 21 connects compressed air source unit, and location switch 4 is fixed on closed chamber
Inner wall touches location switch 4 when closed chamber door completely closes, by compressed air source unit by gas nozzle 21 to gas-flow closure silica gel ring
2 inflations so that gas-flow closure silica gel ring 2 expands, and gas-flow closure silica gel ring 2 is kept around closed chamber door, closed chamber is compressed
Sealing is not revealed.
Fig. 2 a and Fig. 2 b are respectively the front view and vertical view of gas-flow closure silica gel ring, are arranged on gas-flow closure silica gel ring 2
Gas nozzle 21, gas-flow closure silica gel ring 2 preferably use medical silica-gel, such material is ageing-resistant, radioresistance, pressure resistance and have high resiliency
Etc. performances, cross sectional shape be inner hollow ring apron.
The preferred structure of compressed air source unit as shown in figure 3, including tracheae 65 and the air pump 61 set gradually on tracheae 65,
Pneumatic control components and quick coupling 64, pneumatic control components preferably include electromagnetic change-over valve 62 and pressure regulator valve 63, i.e. tracheae 65
On set gradually air pump 61, electromagnetic change-over valve 62, pressure regulator valve 63 and quick coupling 64, quick coupling 64 and gas-flow closure silica gel ring
2 gas nozzle 21 is connected.The gas of compressed air source unit is compressed air, and pressure regulator valve 63 adjusts pressure to 2.5Bar -3Bar；Electromagnetism
Switching valve 62 has the function of two kinds of charge valve and air bleeding valve, is charge valve when closed chamber door is closed, at this time compressed air source unit pair
Gas-flow closure silica gel ring 2 is inflated；It is air bleeding valve when closed chamber door is opened, compressed air source unit is to gas-flow closure silica gel ring 2 at this time
It deflates.Closed chamber door installs touches location switch 4 afterwards in place, and location switch 4 detects that closed chamber door closes completely at this time
It closes, electromagnetic change-over valve 62 is opened for charge valve, and the adjusting of pressure regulator valve 63 sets pressure, and air pump 61 works, and passes through gas in tracheal strips
Mouth is inflated to gas-flow closure silica gel ring, and gas-flow closure silica gel ring can ensure have in closed box room around closed chamber door is compressed
Harmful radgas No leakage can also prevent the gas of the non-cleaning in external environment from entering closed chamber, to being inflated to
Closed box chamber interior negative pressure and temperature are stablized when the pressure of setting, close charge valve, stop inflation, and gas-flow closure is housed at this time and is filled
The hour slip for the closed case set can meet 2 grades of closed chambers to hour slip requirement (<2.5x10-3).Close
When closed box room door needs opening operation, the conversion of electromagnetic change-over valve 62 is opened for air bleeding valve, the gas in gas-flow closure silica gel ring
Discharge, you can open closed chamber door.
The utility model air inflation sealing device can solve the closed chamber sealing problem such as hot cell, draught cupboard, prevent closed
Gas leak in chamber ensures that the air-tightness of closed chamber reaches ISO10648-2:1994 requirement.
The utility model further relates to a kind of closed chamber, as shown in figure 4, to use the utility model above-mentioned for the closed chamber
Air inflation sealing device, closed chamber includes closed case 3 and closed chamber door 5, and closed case 3 corresponds to closed chamber door 5
Closed chamber doorway is arranged in position, and sealing ring annular groove 1 is arranged in closed chamber doorway surrounding, and the sealing ring annular groove 1 is solid for installing
Determine gas-flow closure silica gel ring 2, the gas-flow closure silica gel ring 2 in Fig. 4 has carried out partial enlargement, and location switch is fixed on closed chamber
One end of inner wall and location switch can extend to closed chamber doorway and to touch location switch when closed chamber door completely closes.
Closed case 3 is also communicated with air duct 71, and air duct control valve 72 and wind turbine 73 are set gradually on air duct 71.As shown in figure 4, close
The air duct 71 of the side setting of closed box body 3 is intake stack, and air duct control valve 72 controls the intake stack, is pushed up in closed case 3
The air duct 71 of end setting is exhaust duct, and air duct control valve 72 controls the exhaust duct, is coordinated with wind turbine 73 closed for adjusting
Subnormal ambient in babinet 3.Closed chamber door 3 preferably uses thick organic glass door, such material that can effectively protect shellfish
Tower radiation exposure, convenient for observation closed box chamber interior working condition.Around the closed chamber doorway of the closed case 3 of closed chamber
Sealing ring annular groove 1 surround with gas-flow closure silica gel ring 2, by compressed air source unit (being not drawn into figure, including air pump etc.) to inflation
Sealed silicon cushion rubber 2 is filled with the gas of certain pressure, and gas-flow closure silica gel ring 2 expands so that the organic glass door of closed chamber is realized
It is fully sealed, ensures that the closed chamber is not revealed.
It should be pointed out that specific implementation mode described above can make those skilled in the art that the present invention be more fully understood
It creates, but do not limit the invention in any way is created.Therefore, although this specification creates the present invention with reference to drawings and examples
It makes and has been carried out detailed description, it will be understood by those skilled in the art, however, that still can modify to the invention
Or equivalent replacement, in short, the technical solution of all spirit and scope for not departing from the invention and its improvement, should all contain
It covers in the protection domain of the invention patent.
Claims (10)
1. a kind of air inflation sealing device is used for the sealing of closed chamber door, which is characterized in that close including sealing ring annular groove, inflation
Envelope silica gel ring, location switch and compressed air source unit, the sealing ring annular groove are set to closed chamber doorway surrounding, the gas-flow closure
Silica gel ring is set in sealing ring annular groove, and gas nozzle is provided on the gas-flow closure silica gel ring, and the gas nozzle connects compressed air source unit,
The location switch is fixed on closed box chamber interior walls, and location switch is touched when closed chamber door completely closes.
2. air inflation sealing device according to claim 1, which is characterized in that the compressed air source unit includes tracheae and in gas
Air pump, pneumatic control components and the quick coupling set gradually on pipe, the gas nozzle of the quick coupling and gas-flow closure silica gel ring
It is connected.
3. air inflation sealing device according to claim 2, which is characterized in that the pneumatic control components include electromagnetic conversion
Valve and pressure regulator valve set gradually air pump, electromagnetic change-over valve, pressure regulator valve and quick coupling on the tracheae.
4. air inflation sealing device according to claim 1, which is characterized in that the gas-flow closure silica gel ring uses medical silicon
Glue.
5. air inflation sealing device according to claim 2, which is characterized in that the gas of the compressed air source unit is that compression is empty
Gas.
6. air inflation sealing device according to claim 3, which is characterized in that the pressure of the pressure regulation valve regulation is
2.5Bar—3Bar。
7. air inflation sealing device according to claim 3, which is characterized in that the electromagnetic change-over valve has charge valve and row
Two kinds of functions of air valve, are charge valve when closed chamber door is closed, and are air bleeding valve when closed chamber door is opened.
8. a kind of closed chamber, including closed case and closed chamber door, the closed case correspond to the position of closed chamber door
Closed chamber doorway is set, which is characterized in that further includes the air inflation sealing device described in one of claim 1 to 7.
9. closed chamber according to claim 8, which is characterized in that the closed case is also communicated with air duct, in air duct
On set gradually air duct control valve and wind turbine.
10. closed chamber according to claim 8, which is characterized in that the closed chamber door is organic glass door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886067.5U CN207863812U (en) | 2017-12-28 | 2017-12-28 | Air inflation sealing device and closed chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886067.5U CN207863812U (en) | 2017-12-28 | 2017-12-28 | Air inflation sealing device and closed chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207863812U true CN207863812U (en) | 2018-09-14 |
Family
ID=63463419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886067.5U Active CN207863812U (en) | 2017-12-28 | 2017-12-28 | Air inflation sealing device and closed chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207863812U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539536A (en) * | 2018-11-22 | 2019-03-29 | 梁江娥 | A kind of box body sealing structure |
| CN109887808A (en) * | 2019-03-13 | 2019-06-14 | 承焘电子科技(上海)有限公司 | A kind of leakage circuit breakers sealing mounting box |
| CN110247320A (en) * | 2019-06-25 | 2019-09-17 | 石狮市玛旭贸易有限公司 | A kind of architectural electric distribution box |
| CN111135877A (en) * | 2020-01-19 | 2020-05-12 | 湖南大学 | Double-layer specified flow passage sealing structure and sealing method of sealing box chamber |
| CN114537905A (en) * | 2022-01-19 | 2022-05-27 | 江西中船航海仪器有限公司 | Inflatable seal assembled oil tank |
| CN115301039A (en) * | 2022-05-27 | 2022-11-08 | 华北水利水电大学 | Efficient carbon dioxide circulating regeneration trapping device and method for trapping carbon dioxide |
-
2017
- 2017-12-28 CN CN201721886067.5U patent/CN207863812U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539536A (en) * | 2018-11-22 | 2019-03-29 | 梁江娥 | A kind of box body sealing structure |
| CN109887808A (en) * | 2019-03-13 | 2019-06-14 | 承焘电子科技(上海)有限公司 | A kind of leakage circuit breakers sealing mounting box |
| CN110247320A (en) * | 2019-06-25 | 2019-09-17 | 石狮市玛旭贸易有限公司 | A kind of architectural electric distribution box |
| CN110247320B (en) * | 2019-06-25 | 2021-04-23 | 长兴创睿科技有限公司 | Block terminal for building distribution |
| CN111135877A (en) * | 2020-01-19 | 2020-05-12 | 湖南大学 | Double-layer specified flow passage sealing structure and sealing method of sealing box chamber |
| CN111135877B (en) * | 2020-01-19 | 2021-03-16 | 湖南大学 | Double-layer specified flow passage sealing structure and sealing method of sealing box chamber |
| CN114537905A (en) * | 2022-01-19 | 2022-05-27 | 江西中船航海仪器有限公司 | Inflatable seal assembled oil tank |
| CN115301039A (en) * | 2022-05-27 | 2022-11-08 | 华北水利水电大学 | Efficient carbon dioxide circulating regeneration trapping device and method for trapping carbon dioxide |
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