CN221278470U - Movable sealing structure for isolating bacteria environment and sterile environment - Google Patents
Movable sealing structure for isolating bacteria environment and sterile environment Download PDFInfo
- Publication number
- CN221278470U CN221278470U CN202323477805.9U CN202323477805U CN221278470U CN 221278470 U CN221278470 U CN 221278470U CN 202323477805 U CN202323477805 U CN 202323477805U CN 221278470 U CN221278470 U CN 221278470U
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- Prior art keywords
- sealing
- sterile environment
- movable piece
- gland
- mounting plate
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- 238000007789 sealing Methods 0.000 title claims abstract description 96
- 241000894006 Bacteria Species 0.000 title claims abstract description 14
- 210000004907 gland Anatomy 0.000 claims abstract description 34
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 239000007779 soft material Substances 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 229920002379 silicone rubber Polymers 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000002955 isolation Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model provides a movable sealing structure for isolating a bacteria environment and a sterile environment, which comprises a mounting plate, a movable piece and a sealing membrane, wherein one side of the mounting plate is the sterile environment, a through hole which can enable the movable piece to pass through is formed in the mounting plate, one end of the movable piece is connected with a gland, and the inner side of the sealing membrane is clamped between the gland and the end face of the movable piece; the mounting plate is connected with a diaphragm pressing plate which is annular and is positioned at the periphery of the movable piece, and the outer side of the sealing diaphragm is clamped between the diaphragm pressing plate and the mounting plate. In the utility model, the movable piece effectively isolates the bacteria environment and the aseptic environment all the time in the moving process, and the movable piece does not generate relative friction with the sealing membrane in the moving process, so that the sealing membrane is not worn, and the sealing reliability is ensured.
Description
Technical Field
The utility model relates to the technical field of sealing, in particular to a movable sealing structure for isolating a bacteria environment and a sterile environment.
Background
In some existing biological experimental facilities, a sterile environment needs to be arranged inside, when a telescopic moving part (such as a telescopic rod) passes through the boundary between the sterile environment and a bacteria environment (external environment), a certain gap is reserved at the joint of the telescopic moving part and the equipment body because the telescopic moving part needs to move, and a sealing structure needs to be arranged at the joint of the moving part and the equipment body in order to realize isolation between the sterile environment and the bacteria environment.
At present, the traditional sealing structure adopts sealing elements such as an O-shaped ring, a lip-shaped sealing ring, an oil seal and the like for sealing, in the sealing mode, the position of the sealing element is fixed, a telescopic moving part penetrates through the sealing element, and the telescopic moving part and the sealing element move relatively in the moving process, so that a part of area on the telescopic moving part can move back and forth between a sterile environment and a sterile environment, pollutants (including microorganisms, dust and the like) in the sterile environment are easily brought into the sterile environment, and pollution is caused to the sterile environment; and sealing elements such as O type circle, lip seal circle, oil blanket can take place relative friction with sealing elements such as O type circle, lip seal circle, oil blanket in the activity in-process for a long time, and sealing element produces wearing and tearing easily, leads to sealing element and flexible clearance increase between the moving element to can't effectively keep apart aseptic environment and aseptic environment.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a movable sealing structure for isolating a bacteria environment and a sterile environment.
The utility model aims at realizing the following technical scheme: a movable sealing structure for isolating a bacteria environment and a sterile environment comprises a mounting plate, a movable piece and a sealing membrane, wherein one side of the mounting plate is the sterile environment, a through hole which can enable the movable piece to pass through is formed in the mounting plate, one end of the movable piece is connected with a gland, and the inner side of the sealing membrane is clamped between the gland and the end face of the movable piece; the mounting plate is connected with a diaphragm pressing plate which is annular and is positioned at the periphery of the movable piece, and the outer side of the sealing diaphragm is clamped between the diaphragm pressing plate and the mounting plate.
Preferably, the gland is provided with a sealing cover connecting groove and a screw through hole, the screw through hole penetrates through the bottom surface of the sealing cover connecting groove, and the end part of the movable piece is provided with a threaded hole corresponding to the screw through hole; the movable piece is connected with the gland through a gland fixing screw, and the gland fixing screw penetrates through a bolt through hole on the gland and then is connected with a threaded hole at the end part of the movable piece; the sealing cover is connected in the sealing cover connecting groove.
Preferably, the sealing cover is made of soft materials, and the sealing cover is in interference fit with the gland.
Preferably, the sealing cover is made of rubber.
Preferably, the diaphragm pressing plate is connected with the mounting plate through a pressing plate fixing screw.
Preferably, the sealing membrane is made of one of fluororubber, silica gel and nitrile rubber.
Preferably, the sealing membrane is annular.
Preferably, the side of the gland facing the sealing membrane is a conical surface.
The beneficial effects of the utility model are as follows: in the utility model, the movable piece effectively isolates the bacteria environment and the aseptic environment all the time in the moving process, and the movable piece does not generate relative friction with the sealing membrane in the moving process, so that the sealing membrane is not worn, and the sealing reliability is ensured.
Drawings
Fig. 1 is a schematic view of the structure of the movable member in the retracted state.
Fig. 2 is a schematic structural view of the movable member in an extended state.
Fig. 3 is an enlarged view of a portion a in fig. 1.
In the figure: 1. the sealing device comprises a diaphragm pressing plate, 2, a sealing diaphragm, 3, a gland, 4, a gland fixing screw, 5, a sealing cover, 6, a movable piece, 7, a pressing plate fixing screw, 8, a mounting plate, 9 and a conical surface.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
As shown in fig. 1 to 3, a movable sealing structure for isolating a bacteria environment and a sterile environment comprises a mounting plate 8, a movable piece 6 and a sealing membrane 2, wherein one side of the mounting plate 8 is the sterile environment. The movable piece 6 is a cylinder, and a through hole through which the movable piece 6 can pass is arranged on the mounting plate 8.
The sealing membrane 2 is annular. One end of the movable piece 6 is connected with a gland 3, and the inner side of the sealing membrane 2 is clamped between the gland 3 and the end face of the movable piece 6. The sterile environment is located on one side close to the gland 3 and the other side is a sterile environment (external environment). When the movable member 6 moves, the inner side of the sealing diaphragm 2 can move with the movement of the movable member 6.
Wherein, be equipped with sealed lid spread groove and screw through-hole on the gland 3, the screw through-hole link up the bottom surface of sealed lid spread groove, and the tip of moving part 6 is equipped with the screw hole corresponding with the screw through-hole. The movable piece 6 is connected with the gland 3 through a gland fixing screw 4, and the gland fixing screw 4 penetrates through a bolt through hole on the gland 3 and then is connected with a threaded hole at the end part of the movable piece 6. The sealing cap 5 is connected in the sealing cap connection groove.
The sealing cover 5 is made of soft materials, the sealing cover 5 has good elasticity, and the sealing cover 5 is in interference fit with the gland 3. In the present embodiment, the seal cover 5 is made of rubber. After the sealing cover 5 is pressed into the sealing cover connecting groove, the sealing cover 5 can generate certain extrusion deformation, and the sealing cover 5 is tightly contacted with the inner wall of the sealing cover connecting groove through the elasticity of the sealing cover 5, so that the sealing connection of the sealing cover 5 is ensured, and the position of the gland fixing screw 4 on the gland 3 is effectively sealed and isolated from a sterile environment.
The mounting plate 8 is connected with a diaphragm pressing plate 1, the diaphragm pressing plate 1 is annular and is positioned on the periphery of the movable piece 6, and the outer side of the sealing diaphragm 2 is clamped between the diaphragm pressing plate 1 and the mounting plate 8. Wherein, diaphragm clamp plate 1 passes through clamp plate set screw 7 and links to each other with mounting panel 8. When the movable member 6 moves, the outside of the sealing diaphragm 2 is stationary.
The sealing membrane 2 is made of soft material, has good elasticity, can be stretched under tension, and can recover by self elastic retraction after the tension is eliminated. In this embodiment, the sealing membrane 2 is made of one of fluororubber, silica gel and nitrile rubber. The shore hardness of the sealing membrane 2 is between 30 and 60.
The side of the gland 3 facing the sealing diaphragm 2 is a conical surface 9. An annular gap is formed between the conical surface 9 and the sealing membrane 2, and the width of the annular gap is gradually increased from the inner side to the outer side, so that dead angles can be prevented from being formed on one side of the sealing membrane 2 facing the sterile environment; when the sterilization is performed in a sterile environment, the sterilization can also be effectively applied to the side of the sealing membrane 2 facing the sterile environment.
In the utility model, the isolation between the sterile environment and the bacteria environment is realized through the sealing membrane 2; as shown in fig. 2, when the movable member 6 is in the extended state, the sealing membrane 2 is elongated; as shown in fig. 1, when the movable member 6 is in the retracted state, the sealing membrane 2 is retracted to the initial state; the movable piece 6 is in the removal in-process, and sealed diaphragm 2 is effective with aseptic environment isolation all the time, and movable piece 6 does not take place relative friction with sealed diaphragm 2 in the removal in-process, can not lead to the fact wearing and tearing to sealed diaphragm 2, has guaranteed sealed reliability.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (8)
1. The movable sealing structure for isolating the bacteria environment and the sterile environment is characterized by comprising a mounting plate (8), a movable piece (6) and a sealing membrane (2), wherein one side of the mounting plate (8) is the sterile environment, a through hole which can enable the movable piece (6) to pass through is formed in the mounting plate (8), one end of the movable piece (6) is connected with a gland (3), and the inner side of the sealing membrane (2) is clamped between the gland (3) and the end face of the movable piece (6); the mounting plate (8) is connected with a diaphragm pressing plate (1), the diaphragm pressing plate (1) is annular and is positioned on the periphery of the movable piece (6), and the outer side of the sealing diaphragm (2) is clamped between the diaphragm pressing plate (1) and the mounting plate (8).
2. The movable sealing structure for isolating a bacteria environment from a sterile environment according to claim 1, wherein the gland (3) is provided with a sealing cover connecting groove and a screw through hole, the screw through hole penetrates through the bottom surface of the sealing cover connecting groove, and the end part of the movable piece (6) is provided with a threaded hole corresponding to the screw through hole; the movable piece (6) is connected with the gland (3) through a gland fixing screw (4), and the gland fixing screw (4) penetrates through a bolt through hole on the gland (3) and then is connected with a threaded hole at the end part of the movable piece (6); the sealing cover (5) is connected in the sealing cover connecting groove.
3. A mobile sealing structure for isolating a sterile environment from a sterile environment according to claim 2, characterized in that the sealing cover (5) is made of a soft material, the sealing cover (5) being in an interference fit with the gland (3).
4. A mobile sealing structure for isolating a sterile environment from a sterile environment according to claim 3, characterized in that the sealing cover (5) is made of rubber.
5. A mobile sealing structure for isolating a sterile environment from a sterile environment according to claim 1, wherein the membrane platen (1) is connected to the mounting plate (8) by a platen set screw (7).
6. A movable sealing structure for isolating a sterile environment from a sterile environment according to any one of claims 1-5, wherein the material of the sealing membrane (2) is one of fluororubber, silicone rubber, nitrile rubber.
7. A mobile sealing structure for isolating a sterile environment from a sterile environment according to any one of claims 1-5, characterized in that the sealing membrane (2) is annular.
8. A movable sealing structure for isolating a sterile environment from a sterile environment according to any one of claims 1-5, characterized in that the side of the gland (3) facing the sealing membrane (2) is a conical surface (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323477805.9U CN221278470U (en) | 2023-12-19 | 2023-12-19 | Movable sealing structure for isolating bacteria environment and sterile environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323477805.9U CN221278470U (en) | 2023-12-19 | 2023-12-19 | Movable sealing structure for isolating bacteria environment and sterile environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221278470U true CN221278470U (en) | 2024-07-05 |
Family
ID=91707411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323477805.9U Active CN221278470U (en) | 2023-12-19 | 2023-12-19 | Movable sealing structure for isolating bacteria environment and sterile environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221278470U (en) |
-
2023
- 2023-12-19 CN CN202323477805.9U patent/CN221278470U/en active Active
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| GR01 | Patent grant |