CN204050408U - A kind of VHP pass-through box door sealing structure - Google Patents
A kind of VHP pass-through box door sealing structure Download PDFInfo
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- CN204050408U CN204050408U CN201420509663.1U CN201420509663U CN204050408U CN 204050408 U CN204050408 U CN 204050408U CN 201420509663 U CN201420509663 U CN 201420509663U CN 204050408 U CN204050408 U CN 204050408U
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Abstract
The utility model discloses a kind of VHP pass-through box door sealing structure, comprise doorframe and transmit window, it is characterized in that, described doorframe is provided with the first groove with the cooperation place of transmitting window, be provided with jacking mechanism and the first sealing ring in this first groove, described first sealing ring is arranged at the notch of the first groove, when described transmission window is closed, described first sealing ring ejects under jacking mechanism effect outside described notch, coordinates with pass-through box door sealing.Solve existing VHP pass-through box Leakage Gas, sealing effectiveness problem of poor, risk of leakage thoroughly can be eliminated by the enforcement of this programme.
Description
Technical field
This utility model relates to pharmaceutical machine sterilizing field window airtight construction, particularly a kind of VHP pass-through box door sealing structure.
Background technology
Disinfector is commonly used in the industries such as pharmaceutical factory, hospital and food, and for surperficial spore deactivation, killing microorganisms, prevents cross-contamination etc.Due to VHP (Vaporized Hydrogen Peroxide, vaporized hydrogen peroxide) pass-through box is in sterilization process, inside cavity is full of the hydrogen peroxide steam of high concentration, VHP steam is to human body skin, eyes etc. have stronger injury, once leak, high risks will be caused to human body, for this reason, new edition GMP (Good Manufacturing Practice, Good Manufacturing Practice and Quality Control of Drug) VHP residue criterion is decided to be is not more than 1PPM, namely in surrounding air, VHP steam content must not higher than 1PPM.Therefore, high requirement is proposed to the sealing property of VHP sterilizing installation, main VHP pass-through box adopts gas-flow closure circle in the market, sealing ring is arranged on door, after aeration ring is brought about the desired sensation, expands outward, pass-through box cavity is withstood, reach sealing effectiveness, once aeration ring pressure is inadequate, very easily cause risk of leakage.
Utility model content
In view of the problems referred to above existing for prior art, this utility model provides a kind of brand-new VHP pass-through box door sealing structure, and in order to solve in prior art, to there is VHP pass-through box sealing effectiveness not good, the problem of easily gas leakage.
The technical scheme that this utility model adopts is to provide a kind of VHP pass-through box door sealing structure, comprise doorframe and transmit window, it is characterized in that, described doorframe is provided with the first groove with the cooperation place of transmitting window, be provided with jacking mechanism and the first sealing ring in this first groove, described first sealing ring is arranged at the notch of the first groove, when described transmission window is closed, described first sealing ring ejects under jacking mechanism effect outside described notch, coordinates with pass-through box door sealing.
Described doorframe is also provided with the second groove with the cooperation place of transmitting window, in this second groove, is provided with the second sealing ring.
Described doorframe comprises cooperation place, front and side-fit place with the cooperation place of transmitting window, and described first groove is arranged on described side-fit place, and described second groove is arranged on cooperation place, described front.
Described jacking mechanism is made up of source of the gas and breather line, described first sealing ring and the first groove inner wall form closed cavity, described breather line is communicated with source of the gas and described cavity, when described transmission window is closed, the Compressed Gas provided by source of the gas enters cavity through breather line, first sealing ring is ejected outside the first groove, coordinates with pass-through box door sealing.
Also jacking mechanism is provided with in described second groove, described second sealing ring is arranged at the notch of the second groove, described jacking mechanism is made up of source of the gas and breather line, described second sealing ring and the second groove inner wall form closed cavity, described breather line is communicated with source of the gas and described cavity, and when described transmission window is closed, the Compressed Gas provided by source of the gas enters cavity through breather line, second sealing ring is ejected outside the second groove, coordinates with pass-through box door sealing.
Described breather line has several.
The beneficial effect adopting technique scheme to produce is:
A, good sealing effect, risk of thoroughly stopping a leak, ensure that manual operation safety;
B, meet the high request of VHP sterilizing installation to sealing property.
Accompanying drawing explanation
A kind of VHP pass-through box door sealing structure schematic diagram that Fig. 1 provides for this utility model;
The another kind of VHP pass-through box door sealing structure schematic diagram that Fig. 2 provides for this utility model;
1, doorframe; 2, window is transmitted; 31, the first groove; 32, the second groove; 41, the first sealing ring; 42, the second sealing ring; 5, source of the gas; 6, breather line; 7, cavity.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model embodiment is described in further detail.
A kind of VHP pass-through box door sealing structure as shown in Figure 1, comprise doorframe 1 and transmit window 2, doorframe 1 is provided with the first groove 31 with the cooperation place of transmitting window 2, jacking mechanism and the first sealing ring 41 is provided with in this first groove 31, this first sealing ring 41 is arranged at the notch of the first groove 31, when transmitting window 2 closedown and carrying out sterilization, the first sealing ring 41 ejects to 31 sides outside the first groove under jacking mechanism effect, combines closely with transmission window 2.
Above-mentioned jacking mechanism is made up of source of the gas 5 and breather line 6, first sealing ring and the first groove inner wall form cavity 7, breather line 6 is communicated with source of the gas 5 and cavity 7, when transmission window 2 is closed, the Compressed Gas provided by source of the gas 5 enters cavity 7 through breather line 6, first sealing ring 41 is ejected outside the first groove 31, combines closely with transmission window 2.
As one preferred embodiment, a kind of structure of double containment is present embodiments provided, specifically as shown in Figure 2.Preferably doorframe 1 comprises cooperation place, front and side-fit place with the cooperation place of transmitting window 2, and the first groove 31 is arranged on side-fit place, and this first groove 31 notch arranges the first sealing ring 41; Also be provided with the second groove 32 at doorframe 1 and the cooperation place, front of transmitting window 2, in this second groove 32, be provided with the second sealing ring 42.All can jacking mechanism be set in first groove 31 and the second groove 32.Preferably breather line has several.
In embody rule process, adopt the mode of front and side Double seal ring, namely transmit after window 2 closes, second sealing ring 42 in front is due to physical action and transmit door and window 2 and tightly fit, and forms first and seals.When front the second sealing ring 42 with transmit after window 2 fits, the switch release pressure that VHP pass-through box opens source of the gas 5 is automatically that the Compressed Gas of 0.4-0.6MPa is in cavity 7, the first sealing ring 31 of side is ejected under the active force of Compressed Gas, first sealing ring is closely cooperated with transmission window 2, the side of transmitting window 2 is tightly embraced, again by pass-through box door sealing, risk of leakage is thoroughly eliminated.
As another preferred embodiment, the jacking mechanism same with above-mentioned first groove is provided with in second groove, concrete structure is as follows: the second sealing ring is arranged at the notch of the second groove, jacking mechanism is made up of source of the gas and breather line, second sealing ring and the second groove inner wall form closed cavity, breather line is communicated with source of the gas and cavity, when transmitting window closedown, the Compressed Gas provided by source of the gas enters cavity through breather line, second sealing ring is ejected outside the second groove, coordinates with pass-through box door sealing.
Obviously, those skilled in the art can carry out various change and modification to this utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.
Claims (6)
1. a VHP pass-through box door sealing structure, comprise doorframe and transmit window, it is characterized in that, described doorframe is provided with the first groove with the cooperation place of transmitting window, be provided with jacking mechanism and the first sealing ring in this first groove, described first sealing ring is arranged at the notch of the first groove, when described transmission window is closed, described first sealing ring ejects under jacking mechanism effect outside described notch, coordinates with pass-through box door sealing.
2. a kind of VHP pass-through box door sealing structure according to claim 1, it is characterized in that, described jacking mechanism is made up of source of the gas and breather line, described first sealing ring and the first groove inner wall form closed cavity, described breather line is communicated with source of the gas and described cavity, and when described transmission window is closed, the Compressed Gas provided by source of the gas enters cavity through breather line, first sealing ring is ejected outside the first groove, coordinates with pass-through box door sealing.
3. a kind of VHP pass-through box door sealing structure according to claim 1, is characterized in that, described doorframe is also provided with the second groove with the cooperation place of transmitting window, is provided with the second sealing ring in this second groove.
4. a kind of VHP pass-through box door sealing structure according to claim 3, it is characterized in that, described doorframe comprises cooperation place, front and side-fit place with the cooperation place of transmitting window, and described first groove is arranged on described side-fit place, and described second groove is arranged on cooperation place, described front.
5. a kind of VHP pass-through box door sealing structure according to claim 3, it is characterized in that, also jacking mechanism is provided with in described second groove, described second sealing ring is arranged at the notch of the second groove, described jacking mechanism is made up of source of the gas and breather line, described second sealing ring and the second groove inner wall form closed cavity, described breather line is communicated with source of the gas and described cavity, when described transmission window is closed, the Compressed Gas provided by source of the gas enters cavity through breather line, second sealing ring is ejected outside the second groove, coordinates with pass-through box door sealing.
6. a kind of VHP pass-through box door sealing structure according to claim 2 or 5, it is characterized in that, described breather line has several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509663.1U CN204050408U (en) | 2014-09-05 | 2014-09-05 | A kind of VHP pass-through box door sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509663.1U CN204050408U (en) | 2014-09-05 | 2014-09-05 | A kind of VHP pass-through box door sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204050408U true CN204050408U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420509663.1U Active CN204050408U (en) | 2014-09-05 | 2014-09-05 | A kind of VHP pass-through box door sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204050408U (en) |
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2014
- 2014-09-05 CN CN201420509663.1U patent/CN204050408U/en active Active
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