CN216910335U - Sealing structure of biological safety cabinet - Google Patents
Sealing structure of biological safety cabinet Download PDFInfo
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- CN216910335U CN216910335U CN202220159678.4U CN202220159678U CN216910335U CN 216910335 U CN216910335 U CN 216910335U CN 202220159678 U CN202220159678 U CN 202220159678U CN 216910335 U CN216910335 U CN 216910335U
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- cabinet body
- biological safety
- sealing
- safety cabinet
- transparent glass
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Abstract
The utility model discloses a sealing structure of a biological safety cabinet, which comprises a biological safety cabinet body, wherein a plurality of transparent glass plates are arranged on the biological safety cabinet body, a sealed cavity is formed between the plurality of transparent glass plates and the biological safety cabinet body, a positive pressure sealing mechanism is arranged between the biological safety cabinet body and the transparent glass plates, the positive pressure sealing mechanism comprises a sealing ring groove which is arranged on the biological safety cabinet body and is used for the periphery of an installation opening of the transparent glass, a sealing strip is arranged in the sealing ring groove, an inflation cavity is arranged in the sealing strip, and a sealing ring block which is embedded into the sealing ring groove is arranged on the transparent glass plate. The utility model ensures that the sealing strip has better extrusion and contact sealing effects on the sealing ring block by arranging the positive pressure sealing mechanism, thereby ensuring better sealing performance between the transparent glass plate and the biological safety cabinet body and preventing gas in the biological safety cabinet body from overflowing outwards.
Description
Technical Field
The utility model relates to the technical field of biological safety cabinets, in particular to a sealing structure of a biological safety cabinet.
Background
The biological safety cabinet is designed for protecting the operator, the laboratory environment and the experimental materials from being exposed to infectious aerosol and splashed materials which are possibly generated in the operation process when the infectious experimental materials such as primary cultures, strains of bacteria and viruses, diagnostic specimens and the like are operated; the transparent glass in the existing biological safety cabinet is only sealed by the sealant, and the sealant is easy to come off during use, so that the sealing performance of the biological safety cabinet is poor. Therefore, we improve this and propose a sealing structure of biosafety cabinet.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a sealing structure of a biological safety cabinet, which comprises a biological safety cabinet body, wherein a plurality of transparent glass plates are arranged on the biological safety cabinet body, and a closed cavity is formed between the plurality of transparent glass plates and the biological safety cabinet body, a positive pressure sealing mechanism is arranged between the biological safety cabinet body and the transparent glass plates, the positive pressure sealing mechanism comprises a sealing ring groove which is arranged on the biological safety cabinet body and is used for the periphery of the mounting opening of the transparent glass, a sealing strip is arranged in the sealing ring groove, an inflatable cavity is arranged in the sealing strip, the transparent glass plate is fixed on the biological safety cabinet body through a fixing mechanism, the fixing mechanism comprises positioning plates arranged on the peripheral sides of the transparent glass plates, sealing ring blocks embedded into the sealing ring grooves are arranged on the transparent glass plates, and the positioning plates are fixed with the biological safety cabinet body through bolts.
As a preferred technical scheme of the utility model, a through groove communicated with the sealing ring groove is arranged on the biological safety cabinet body, an inflation tube communicated with the inflation cavity is arranged on the sealing strip, the inflation tube penetrates out of the through groove, and a switch valve is arranged on the inflation tube.
As a preferable technical scheme of the utility model, a first sealing glue layer is coated between the connecting part of the positioning plate and the transparent glass plate.
As a preferable technical scheme of the utility model, a second sealant layer is arranged between the transparent glass plate and the joint of the biological safety cabinet body.
As a preferable technical solution of the present invention, the seal ring block is integrally formed with the transparent glass plate.
In a preferred embodiment of the present invention, the sealing strip is made of teflon.
The utility model has the beneficial effects that:
this kind of biosafety cabinet's seal structure is through the sealed annular that just is used for transparent glass's installing port week side on the biosafety cabinet body, be equipped with the sealing strip in the sealed annular, be equipped with in the sealing strip and aerify the chamber, and be equipped with the sealed ring piece that imbeds in the sealed annular on the transparent glass board, install the back on the biosafety cabinet body with the transparent glass board, sealed ring piece imbeds in the sealed annular, causes the extrusion to the sealing strip that has the chamber of aerifing to make the sealing strip have better crowded sealed effect of touching to sealed ring piece, thereby guaranteed to have better leakproofness between transparent glass board and the biosafety cabinet body, make the internal gas of biosafety cabinet can not outwards spill over.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of a sealing structure of a biosafety cabinet according to the present invention;
FIG. 2 is a schematic structural diagram of a positive pressure sealing mechanism of a sealing structure of a biosafety cabinet according to the utility model;
fig. 3 is a schematic structural view of a sealing ring groove of a sealing structure of a biosafety cabinet according to the present invention.
In the figure: 1. a biological safety cabinet body; 2. a transparent glass plate; 3. sealing the ring groove; 4. a sealing strip; 5. an inflation cavity; 6. positioning a plate; 7. a sealing ring block; 8. a through groove; 9. an inflation tube; 10. an on-off valve; 11. a first sealant layer; 12. and the second sealant layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in figures 1-3, the sealing structure of a biosafety cabinet comprises a biosafety cabinet body 1, wherein a plurality of transparent glass plates 2 are arranged on the biosafety cabinet body 1, a sealed cavity is formed between the plurality of transparent glass plates 2 and the biosafety cabinet body 1, a positive pressure sealing mechanism is arranged between the biosafety cabinet body 1 and the transparent glass plates 2, the positive pressure sealing mechanism comprises a sealing ring groove 3 which is arranged on the biosafety cabinet body 1 and is used for the peripheral side of an installation opening of the transparent glass, a sealing strip 4 is arranged in the sealing ring groove 3, an inflation cavity 5 is arranged in the sealing strip 4, the transparent glass plates 2 are fixed on the biosafety cabinet body 1 through a fixing mechanism, the fixing mechanism comprises a positioning plate 6 which is arranged on the peripheral side of the transparent glass plates 2, and a sealing ring block 7 which is embedded into the sealing ring groove 3 is arranged on the transparent glass plates 2, the positioning plate 6 is fixed with the biological safety cabinet body 1 through bolts. Sealing ring groove 3 on the biological safety cabinet body and used for transparent glass's installing port week side, be equipped with sealing strip 4 in the sealing ring groove 3, be equipped with inflation chamber 5 in the sealing strip 4, and be equipped with the sealing ring piece 7 that imbeds in the sealing ring groove 3 on the transparent glass board 2, install back on the biological safety cabinet body with transparent glass board 2, sealing ring piece 7 imbeds in the sealing ring groove 3, cause the extrusion to sealing strip 4 that has inflation chamber 5 to make sealing strip 4 have better crowded sealed effect of touching of sealing ring piece 7, thereby guaranteed to have better leakproofness between the transparent glass board 2 and the biological safety cabinet body, make the gas in the biological safety cabinet body 1 can not outwards spill over.
Be equipped with the logical groove 8 with the 3 intercommunications of sealed annular on the biological safety cabinet body 1, be equipped with the gas tube 9 with aerifing the chamber 5 intercommunication on the sealing strip 4, gas tube 9 is worn out from leading to the inslot 8, and is equipped with ooff valve 10 on the gas tube 9, through letting in gas in to sealing strip 4, makes sealing strip 4 expand to make the extrusion force increase between the sealing strip and the biological safety cabinet body 1 and the sealed ring piece 7, thereby improved sealed effect.
Be equipped with between the junction of locating plate 6 and transparent glass board 2 and scribble and have smeared first sealing glue layer 11, guarantee to have better leakproofness between the junction of locating plate 6 and the biological safety cabinet body 1 to realize multiple sealed effect.
And a second sealing adhesive layer 12 is arranged between the joint of the transparent glass plate 2 and the biological safety cabinet body 1, so that better sealing performance is ensured between the joint of the transparent glass plate 2 and the biological safety cabinet body 1, and thus the effect of multiple sealing is realized.
The sealing ring block 7 is integrally formed with the transparent glass plate 2, so that the sealing ring block has excellent sealing performance with the transparent glass plate 2.
The sealing strip 4 is made of silicon rubber material and has the characteristic of durability,
the working principle is as follows: sealing ring groove 3 that just is used for transparent glass's installing port week side on the biological safety cabinet body, be equipped with sealing strip 4 in the sealing ring groove 3, be equipped with in the sealing strip 4 and aerify chamber 5, and be equipped with the sealing ring piece 7 that imbeds in the sealing ring groove 3 on the transparent glass board 2, install back on the biological safety cabinet body with transparent glass board 2, sealing ring piece 7 imbeds in the sealing ring groove 3, causes the extrusion to the sealing strip 4 that has aerifys chamber 5 to make sealing strip 4 have better crowded sealed effect of touching to sealing ring piece 7, thereby guaranteed to have better leakproofness between the transparent glass board 2 and the biological safety cabinet body, make the gas in the biological safety cabinet body 1 can not outwards spill over.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a seal structure of biological safety cabinet, includes the biological safety cabinet body (1), be equipped with a plurality of clear glass boards (2) on the biological safety cabinet body (1), and form an inclosed cavity, its characterized in that between a plurality of clear glass boards (2) and the biological safety cabinet body (1): be equipped with malleation sealing mechanism between the biological safety cabinet body (1) and the clear glass board (2), malleation sealing mechanism is including setting up sealed annular (3) on the biological safety cabinet body (1) and be used for clear glass's installing port week side, be equipped with sealing strip (4) in sealed annular (3), be equipped with in sealing strip (4) and aerify chamber (5), clear glass board (2) are fixed on the biological safety cabinet body (1) through fixed establishment, fixed establishment is including setting up locating plate (6) in clear glass board (2) week side, be equipped with on clear glass board (2) and imbed seal ring piece (7) in sealed annular (3), locating plate (6) are fixed mutually through bolt and biological safety cabinet body (1).
2. The sealing structure of a biosafety cabinet according to claim 1, characterized in that a through groove (8) communicated with the sealing ring groove (3) is arranged on the biosafety cabinet body (1), an inflation tube (9) communicated with the inflation cavity (5) is arranged on the sealing strip (4), the inflation tube (9) penetrates out of the through groove (8), and a switch valve (10) is arranged on the inflation tube (9).
3. The sealing structure of the biosafety cabinet according to claim 1, characterized in that a first sealant layer (11) is coated between the connection position of the positioning plate (6) and the transparent glass plate (2).
4. The sealing structure of the biosafety cabinet according to claim 1, characterized in that a second sealant layer (12) is arranged between the joint of the transparent glass plate (2) and the biosafety cabinet body (1).
5. A sealing structure of biosafety cabinet according to claim 1, characterized in that the sealing ring block (7) is integrally formed with the transparent glass plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220159678.4U CN216910335U (en) | 2022-01-21 | 2022-01-21 | Sealing structure of biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220159678.4U CN216910335U (en) | 2022-01-21 | 2022-01-21 | Sealing structure of biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216910335U true CN216910335U (en) | 2022-07-08 |
Family
ID=82263492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220159678.4U Active CN216910335U (en) | 2022-01-21 | 2022-01-21 | Sealing structure of biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216910335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518696A (en) * | 2022-09-22 | 2022-12-27 | 冰山松洋生物科技(大连)有限公司 | Biological safety cabinet with inflatable sealing ring and sterilization method thereof |
-
2022
- 2022-01-21 CN CN202220159678.4U patent/CN216910335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518696A (en) * | 2022-09-22 | 2022-12-27 | 冰山松洋生物科技(大连)有限公司 | Biological safety cabinet with inflatable sealing ring and sterilization method thereof |
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