CN219596657U - Biological safety cabinet - Google Patents
Biological safety cabinet Download PDFInfo
- Publication number
- CN219596657U CN219596657U CN202320261374.3U CN202320261374U CN219596657U CN 219596657 U CN219596657 U CN 219596657U CN 202320261374 U CN202320261374 U CN 202320261374U CN 219596657 U CN219596657 U CN 219596657U
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- China
- Prior art keywords
- connecting groove
- fixedly connected
- bellows
- cabinet body
- cabinet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a biosafety cabinet, and relates to the technical field of biosafety protection. The novel air conditioner cabinet comprises a supporting plate arranged in the cabinet body, an air supply filter is arranged on the supporting plate, an air box is arranged above the air supply filter, a soft air cylinder is fixedly connected to the upper end of the air box, a supporting plate is fixedly connected to the upper end of the soft air cylinder, an air exhaust filter is arranged on the supporting plate, a first compression mechanism capable of stretching up and down is arranged between the upper end of the air box and the lower end of the supporting plate and positioned on two sides of the soft air cylinder, a second compression mechanism capable of stretching up and down is arranged on the lower portion of the air box, and the upper end of the second compression mechanism is fixedly connected with the inner side of the cabinet body. The biosafety cabinet of the utility model is convenient for replacing the exhaust filter and the air supply filter.
Description
Technical Field
The utility model relates to the technical field of biological safety protection, in particular to a biological safety cabinet.
Background
Be provided with filter and the air supply filter of airing exhaust in the biosafety cabinet, the filter of airing exhaust is used for filtering the outside exhaust air from biosafety cabinet operation district, and the air supply filter is used for filtering the air that gets into in the biosafety cabinet operation district, in order to make biosafety cabinet operation district can keep good air filtration quality, the biosafety cabinet needs periodic with filter and the air supply filter of airing exhaust to change.
In the prior art, an air supply filter is placed between a supporting plate in a cabinet body and an air box and is clamped, the air box is fixedly connected with the supporting plate through a bolt, when the air supply filter is replaced, the bolt is required to be screwed out, and because the weight of the air box is large and the air box is positioned at the upper end of the air supply filter, the air box still presses the air supply filter, the air supply filter cannot be directly pulled out from the lower part of the air box, and when one person operates, the air box is required to be moved out and put down, and then the air supply filter is taken out; the soft dryer of bellows upper end setting, exhaust filter one end and soft wind section of thick bamboo joint, the other end is connected through the air exit department on bolt and the cabinet body roof, because soft dryer is relatively poor to the holding power of top exhaust filter, in order to prevent to dismantle behind the bolt that the one corner of exhaust filter from smashing and falling to the bellows on cause the damage, need artifical holding exhaust filter, screw out the bolt of being connected between exhaust filter and the cabinet body roof, separation exhaust filter and soft wind section of thick bamboo, later just can take out exhaust filter, a personnel installation dismantles very inconvenient.
Disclosure of Invention
The utility model provides a biological safety cabinet which is convenient for replacing an exhaust filter and an air supply filter.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a biosafety cabinet, which comprises a cabinet body, wherein a supporting plate is arranged in the cabinet body, an air supply filter is arranged on the supporting plate, an air box is arranged above the air supply filter, the upper end of the air box is fixedly connected with a soft air cylinder, the upper end of the soft air cylinder is fixedly connected with a supporting plate, an exhaust filter is arranged on the supporting plate, a first compression mechanism which can stretch up and down is arranged between the upper end of the air box and the lower end of the supporting plate and is positioned on two sides of the soft air cylinder, a second compression mechanism which can stretch up and down is arranged on the lower part of the air box, and the upper end of the second compression mechanism is fixedly connected with the inner side of the cabinet body.
Further, the first hold-down mechanism includes with the first spread groove of layer board lower extreme fixed connection, with bellows upper end fixed connection's first spread groove, be located first dwang between first spread groove and the first spread groove, threaded connection has two internal thread opposite first rotating block on the first dwang, first go up between spread groove and the first rotating block between the first spread groove and the first rotating block all through head rod round pin hub connection.
Further, the second compressing mechanism comprises a second upper connecting groove fixedly connected with the inner side of the cabinet body, a second lower connecting groove fixedly connected with the lower part of the bellows, and a second rotating rod arranged between the second upper connecting groove and the second lower connecting groove, wherein two second rotating blocks with opposite internal threads are connected to the second rotating rod in a threaded manner, and the second upper connecting groove is connected with the second rotating blocks through second connecting rod pin shafts.
Further, the first pressing mechanism and the second pressing mechanism have the same structure.
Further, the upper end of the second upper connecting groove is fixedly connected with the inner side of the cabinet body, and the lower end of the second connecting groove is fixedly connected with the lower part of the bellows through an L-shaped plate.
Further, the inside of the cabinet body is provided with a reinforcing box, and the outer side of the reinforcing box is fixedly connected with the upper end of the second upper connecting groove through the L-shaped plate.
Compared with the prior art, the utility model has the following beneficial effects:
according to the biosafety cabinet, the supporting plate and the first pressing mechanism are arranged, when the exhaust filter in the pressing state needs to be replaced, the supporting plate and the first pressing mechanism play a supporting role under the exhaust filter, so that only the first pressing mechanism is required to be contracted, and a gap is reserved between the exhaust filter and the upper side in the cabinet body, so that the exhaust filter can be replaced; through setting up second hold-down mechanism, when the air supply filter under the needs change state of compressing tightly, through the cooperation of first hold-down mechanism and second hold-down mechanism, make and leave the gap between air supply filter and the backup pad just can conveniently change the air supply filter.
Therefore, when the exhaust filter or the air supply filter is required to be replaced, the biological safety cabinet can be completed by one person easily and quickly, and is time-saving and labor-saving.
Drawings
FIG. 1 is a front cross-sectional view of a biosafety cabinet of the utility model;
FIG. 2 is a side cross-sectional view of the biosafety cabinet of the utility model;
FIG. 3 is a schematic view of the structure of the first and second rotating rods of the biosafety cabinet of the utility model;
fig. 4 is a schematic view of the external appearance of the biosafety cabinet of the utility model.
In the figure: the cabinet comprises a cabinet body 1, a supporting plate 2, an air supply filter 3, a reinforcing box 4, a second compressing mechanism 5, an air box 6, a first compressing mechanism 7, an exhaust filter 8, a supporting plate 9, a soft air cylinder 10, an L-shaped plate 11, a second lower connecting groove 12, a second connecting rod 13, a second rotating block 14, a second rotating rod 15, a second upper connecting groove 16, a first rotating rod 17, a first lower connecting groove 18, a first connecting rod 19, a first rotating block 20 and a first upper connecting groove 21.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a biosafety cabinet, which is shown in fig. 1 to 4, and comprises a cabinet body 1, wherein a supporting plate 2 is arranged in the cabinet body 1, an air supply filter 3 is arranged on the supporting plate 2, an air box 6 is arranged above the air supply filter 3, the upper end of the air box 6 is fixedly connected with a soft air cylinder 10, the upper end of the soft air cylinder 10 is fixedly connected with a supporting plate 9, an exhaust filter 8 is arranged on the supporting plate 9, first compression mechanisms 7 which can stretch up and down are arranged between the upper end of the air box 6 and the lower end of the supporting plate 9 and are positioned on two sides of the soft air cylinder 10, a second compression mechanism 5 which can stretch up and down is arranged at the lower part of the air box 6, and the upper end of the second compression mechanism 5 is fixedly connected with the inner side of the cabinet body 1.
According to the biological safety cabinet, the supporting plate 9 and the first pressing mechanism 7 are arranged, when the exhaust filter 8 in the pressing state needs to be replaced, the supporting plate 9 and the first pressing mechanism 7 play a supporting role under the exhaust filter 8, so that the exhaust filter 8 can be replaced only by contracting the first pressing mechanism 7, leaving a gap between the exhaust filter 8 and the inner upper side of the cabinet body 1, and similarly, when the exhaust filter 8 is pressed, the exhaust filter 8 is placed between the supporting plate 9 and the inner upper side of the cabinet body 1, and then the first pressing mechanism 7 is pulled up to press the exhaust filter 8; through setting up second hold-down mechanism 5, when need change the air supply filter 3 under the state of compressing tightly, shrink first hold-down mechanism 7 earlier, leave sufficient space for the rising of bellows 6, then shrink second hold-down mechanism 5 again, make and leave the gap between air supply filter 3 and the backup pad 2 just can conveniently change air supply filter 3, in the same way, only put into between backup pad 2 and bellows 6 with air supply filter 3 when compressing tightly air supply filter 3, then pull up second hold-down mechanism 5 just can compress tightly air supply filter 3.
In an embodiment of the present utility model, the first pressing mechanism 7 includes a first upper connecting slot 21 fixedly connected to the lower end of the supporting plate 9, a first lower connecting slot 18 fixedly connected to the upper end of the bellows 6, and a first rotating rod 17 located between the first upper connecting slot 21 and the first lower connecting slot 18, where two first rotating blocks 20 with opposite screw threads are screwed on the first rotating rod 17, and the first upper connecting slot 21 and the first rotating block 20, and the first lower connecting slot 18 and the first rotating block 20 are all connected through pin shafts of the first connecting rod 19. Preferably, two sections of external threads with opposite directions are arranged on the first rotating rod 17, two first rotating blocks 20 are provided with internal threads with opposite directions, and the two first rotating blocks 20 are respectively sleeved on the two sections of external threads on the first rotating rod 17; by rotating the first rotating rod 17, the two first rotating blocks 20 can be close to or far away from each other, so that the first upper connecting groove 21 and the first lower connecting groove 18 are close to or far away from each other through the first connecting rod 19 connected by the pin shaft, and the expansion and contraction of the first pressing mechanism 7 are realized; when the exhaust filter 8 needs to be pressed, the two first rotating blocks 20 are close to each other by rotating the first rotating rod 17, at this time, the first upper connecting groove 21 is lifted up to press the supporting plate 9 upwards to press the exhaust filter 8, and when the exhaust filter 8 needs to be taken out, the two first rotating blocks 20 are far away from each other by rotating the first rotating rod 17, at this time, the first upper connecting groove 21 is lifted down to loosen the exhaust filter 8 by the supporting plate 9, so that the exhaust filter 8 can be taken out.
In an embodiment of the present utility model, the second pressing mechanism 5 includes a second upper connecting slot 16 fixedly connected to the inner side of the cabinet body 1, a second lower connecting slot 12 fixedly connected to the lower portion of the bellows 6, and a second rotating rod 15 located between the second upper connecting slot 16 and the second lower connecting slot 12, where two second rotating blocks 14 with opposite screw threads are screwed on the second rotating rod 15, and the second upper connecting slot 16 and the second rotating blocks 14, and the second lower connecting slot 12 and the second rotating blocks 14 are all connected through pin shafts of a second connecting rod 13. Preferably, two sections of external threads with opposite directions are arranged on the second rotating rod 15, the two second rotating blocks 14 are provided with internal threads with opposite directions, and the two second rotating blocks 14 are respectively sleeved on the two sections of external threads on the second rotating rod 15; by rotating the second rotating rod 15, the two second rotating blocks 14 can be close to or far away from each other, so that the second upper connecting groove 16 and the second lower connecting groove 12 are close to or far away from each other through the second connecting rod 13 connected by the pin shaft, and the second compressing mechanism 5 is telescopic; the sum of the weights of the exhaust filter 8 and the supporting plate 9 is much smaller than that of the air box 6, so that the air box 6 cannot be lifted only by the expansion and contraction of the first pressing mechanism 7, and the second pressing mechanism 5 is arranged, so that the second pressing mechanism 5 is fixedly connected with the inner side of the cabinet body 1, and the air box 6 moves when the cabinet body 1 is motionless, so that the compression and the extraction of the air supply filter 3 are realized; when the air supply filter 3 needs to be compressed, only the second rotating rod 15 needs to be rotated to enable the second upper connecting groove 16 and the second lower connecting groove 12 to be away from each other, and when the air supply filter 3 needs to be taken out, the first compressing mechanism 7 needs to be contracted first, and then the second rotating rod 15 needs to be rotated to enable the second upper connecting groove 16 and the second lower connecting groove 12 to be away from each other, so that the air supply filter 3 can be taken out.
In an embodiment of the present utility model, the first pressing mechanism 7 has the same structure as the second pressing mechanism 5. The difference between the first pressing mechanism 7 and the second pressing mechanism 5 is that the connection relation between the first pressing mechanism 7 and the parts in the cabinet body 1 is different, namely, the first upper connecting groove 21 of the first pressing mechanism 7 is fixedly connected with the lower end of the supporting plate 9, the first lower connecting groove 18 is fixedly connected with the upper end of the bellows 6, the second upper connecting groove 16 of the second pressing mechanism 5 is fixedly connected with the inner side of the cabinet body 1, and the second lower connecting groove 12 is fixedly connected with the lower part of the bellows 6.
In an embodiment of the present utility model, the upper end of the second upper connecting groove 16 is fixedly connected with the inner side of the cabinet body 1, and the lower end of the second connecting groove is fixedly connected with the lower part of the bellows 6 through the L-shaped plate 11. One vertical side of one L-shaped plate 11 is fixedly connected with the inner side of the cabinet body 1, and one transverse side is connected with the upper end of the second upper connecting groove 16 and is reinforced by bolts; the other L-shaped plate 11 is fixedly connected with the lower part of the bellows 6 on one vertical side and is connected with the lower end of the second lower connecting groove 12 on one horizontal side, and is reinforced by bolts.
In an embodiment of the present utility model, the inner side of the cabinet body 1 is provided with a reinforcing box 4, and the outer side of the reinforcing box 4 is fixedly connected with the upper end of the second upper connecting groove 16 through an L-shaped plate 11. Through setting up the intermediate connection piece that consolidates box 4 as L shaped plate 11 and cabinet body 1 inboard, then second hold-down mechanism 5 is difficult to cause extrusion deformation to cabinet body 1 inboard at flexible in-process.
The foregoing is a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.
Claims (6)
1. The utility model provides a biological safety cabinet, its characterized in that, includes the cabinet body, the internal backup pad that is provided with of cabinet, air supply filter has been placed in the backup pad, air bellows has been placed to air supply filter top, the soft wind section of thick bamboo of bellows upper end fixedly connected with, soft wind section of thick bamboo upper end fixedly connected with layer board, place the filter of airing exhaust on the layer board, be located between bellows upper end and the layer board lower extreme the both sides of soft wind section of thick bamboo are provided with the first hold-down mechanism that can stretch out and draw back from top to bottom, the bellows lower part is provided with the second hold-down mechanism that can stretch out and draw back from top to bottom, the upper end of second hold-down mechanism and the inboard fixed connection of the cabinet body.
2. The biosafety cabinet according to claim 1, wherein the first pressing mechanism comprises a first upper connecting groove fixedly connected with the lower end of the supporting plate, a first lower connecting groove fixedly connected with the upper end of the bellows, and a first rotating rod positioned between the first upper connecting groove and the first lower connecting groove, wherein two first rotating blocks with opposite internal threads are connected to the first rotating rod in a threaded manner, and the first upper connecting groove is connected with the first rotating blocks, and the first lower connecting groove is connected with the first rotating blocks through first connecting rod pin shafts.
3. The biosafety cabinet according to claim 1, wherein the second pressing mechanism comprises a second upper connecting groove fixedly connected with the inner side of the cabinet body, a second lower connecting groove fixedly connected with the lower portion of the bellows, and a second rotating rod positioned between the second upper connecting groove and the second lower connecting groove, two second rotating blocks with opposite internal threads are connected to the second rotating rod in a threaded manner, and the second upper connecting groove and the second rotating blocks and the second lower connecting groove and the second rotating blocks are all connected through second connecting rod pin shafts.
4. The biosafety cabinet of claim 1 wherein said first hold down mechanism is of the same construction as said second hold down mechanism.
5. A biosafety cabinet according to claim 3, wherein the upper end of the second upper connecting groove is fixedly connected with the inner side of the cabinet body, and the lower end of the second lower connecting groove is fixedly connected with the lower part of the bellows through an L-shaped plate.
6. The biosafety cabinet according to claim 5, wherein a reinforcing box is provided on an inner side of the cabinet body, and an outer side of the reinforcing box is fixedly connected with an upper end of the second upper connecting groove through the L-shaped plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320261374.3U CN219596657U (en) | 2023-02-21 | 2023-02-21 | Biological safety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320261374.3U CN219596657U (en) | 2023-02-21 | 2023-02-21 | Biological safety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219596657U true CN219596657U (en) | 2023-08-29 |
Family
ID=87738906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320261374.3U Active CN219596657U (en) | 2023-02-21 | 2023-02-21 | Biological safety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219596657U (en) |
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2023
- 2023-02-21 CN CN202320261374.3U patent/CN219596657U/en active Active
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