CN209206005U - A kind of biologic cleanliness safety cabinet being conveniently replaceable filter - Google Patents
A kind of biologic cleanliness safety cabinet being conveniently replaceable filter Download PDFInfo
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- CN209206005U CN209206005U CN201821984002.9U CN201821984002U CN209206005U CN 209206005 U CN209206005 U CN 209206005U CN 201821984002 U CN201821984002 U CN 201821984002U CN 209206005 U CN209206005 U CN 209206005U
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- cabinet body
- holding tank
- front apron
- conveniently replaceable
- limited post
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Abstract
The utility model discloses a kind of biologic cleanliness safety cabinets for being conveniently replaceable filter, belong to Biohazard Safety Equipment field, it includes cabinet body, blowdown area and workspace are equipped in the cabinet body, the upside of the workspace is equipped with the filter being connected to blowdown area, air intake blower fan is equipped in the blowdown area, exhaust duct is connected on the upside of the blowdown area, the top installed in front that the cabinet body is located at workspace has front apron, the side of the front apron towards cabinet body is fixedly installed link block, holding tank is provided in the link block, fixation kit is provided in the holding tank, the roof of the cabinet body offers limiting slot, the front apron is embedded in limiting slot by fixation kit and is detachably connected with cabinet body.The utility model, which has the effect of to facilitate, replaces cabinet body internal filter.
Description
Technical field
The utility model relates to the technical field of Biohazard Safety Equipment, in particular to a kind of biology for being conveniently replaceable filter is clean
Net safety cabinet.
Background technique
Biologic cleanliness safety cabinet is a kind of air cleaning facility of dustless, the sterile working environment in offer part, and can be by work
Making area, contaminated air artificially controls discharge by special filtration channel, avoids causing damages to human and environment, is
A kind of dedicated biologic cleanliness safety cabinet for being conveniently replaceable filter of safe microorganism, be also widely applied to biology laboratory,
The relevant industries such as health care, bio-pharmaceuticals protect the health of operator to process conditions are improved, and improve product quality
There is good effect with yield rate.
Biohazard Safety Equipment can be divided into level-one, second level and three-level three categories to meet different biological study and epidemic prevention and require.
Level-one Biohazard Safety Equipment can protect staff and environment without protecting sample.Air flow principle is as laboratory fume hood, no
It is that exhaust outlet is equipped with HEPA filter with place.Two stage biological safety cabinet is according to inlet air flow wind speed, exhaust mode and follows
Ring mode can be divided into 4 different models: A1 type, A2 type, B1 and B2 type, and all two stage biological safety cabinets all can provide work
The protection of personnel, environment and sample.
As shown in Figure of description 5, second level A1 type Biohazard Safety Equipment in the prior art, air intake blower fan 3 is by space air
In opening sucking blowdown area 11 through workspace 12, and enter the air inlet grid 1221 of front, the opening in workspace 12
Inside air-flow velocity is not less than 0.38m/s, so that 12 opening of workspace is formed an air curtain, so that pollution aerosol is not
It easily escapes outward from opening, the filtered clean gas flow of HEPA filter 2 of being blown passes vertically downwards through workspace 12, and leads to
The two groups of air inlet grids 1221 in front and back for crossing lower section are discharged, and the aerosol formed on 122 table top of workbench is at once by downward clean
Net airflow is taken away, and enters circulation air path area 113 after fully protecting given the test agent, the air of pollution to be drawn into air intake blower fan 3
The top of cabinet body 1 is reached, and between air-supply HEPA filter 2 and exhaust duct 4, about 70% gas passes through air-supply HEPA mistake
Filter 2 participates in recycling, and remaining 30% air is discharged outside cabinet body 1 through exhaust duct 4 and is carried out by other cleaning equipments
Processing.
Above-mentioned this second level A1 type Biohazard Safety Equipment, the HEPA due to cabinet as sealing Integral-structure type, inside replacement
Inner cavity could be exposed by needing to remove cabinet body when filter, this not only needs to waste the plenty of time of staff, while also increasing
Labor intensity.
Utility model content
The purpose of this utility model is to provide a kind of biologic cleanliness safety cabinets for being conveniently replaceable filter, and having can facilitate
The effect that cabinet body internal filter is replaced.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of biologic cleanliness safety cabinet being conveniently replaceable filter, including cabinet body, the cabinet body is interior to be equipped with blowdown area and work
Make area, the upside of the workspace is equipped with the filter being connected to blowdown area, is equipped with air intake blower fan, the row in the blowdown area
Exhaust duct is connected on the upside of dirty area；
The top installed in front that the cabinet body is located at workspace has front apron, and the side of the front apron towards cabinet body is fixed
It is provided with link block, holding tank is provided in the link block, fixation kit, the top of the cabinet body are provided in the holding tank
Wall offers limiting slot, and the front apron is embedded in limiting slot by fixation kit and is detachably connected with cabinet body.
By using above-mentioned technical proposal, the cooperation using fixation kit and limiting slot can facilitate to the front apron with cabinet
It is dismantled, the filter on the upside of blowdown area is overhauled and replaced to facilitate.
The utility model is further arranged to: the fixation kit includes the limited post being set in holding tank and compression bullet
One end of spring, the limited post is located in the holding tank, and the other end is embedded in limiting slot, and the compressed spring is fixedly connected
Between limited post and the slot bottom of holding tank, the limited post can be completely retracting in holding tank.
By using above-mentioned technical proposal, being embedded in limiting slot using limited post be can be realized between front apron and cabinet body
Installation, after limited post is completely retracting in holding tank, will be detached from limiting slot, to realize the disassembly of front apron,
And then conveniently filter is overhauled and replaced.
The utility model is further arranged to: the slot bottom of the limiting slot offers the removal hole for being through to cabinet body roof,
The aperture of the removal hole is less than the diameter of limited post.
It by using above-mentioned technical proposal, is inserted into removal hole using other rod-shaped objects, squeezes limited post, side
Just it is completely retracting in holding tank.
The utility model is further arranged to: the cabinet body roof is connected with removal rod, the removal rod by flexible rope
One end insertion removal hole in and abutted far from one end of holding tank slot bottom with limited post.
It by using above-mentioned technical proposal, is operated using removal rod, so that limited post is completely retracting to accommodate
In slot, while removal rod is connected to side with cabinet can also save time when worker finds other auxiliary tools.
The utility model is further arranged to: the removal rod is threadedly coupled with removal hole.
By using above-mentioned technical proposal, since the counter-force of compressed spring acts on, worker needs continu to press extruding to tear open
Bar is unloaded, being threadedly coupled between removal rod and removal hole can be achieved self-locking, without worker's Continued depression removal rod, facilitate behaviour
Make.
The utility model is further arranged to: traction rope, one end of the traction rope and limit are provided in the link block
One end of position column towards holding tank slot bottom is fixed, and the other end extends side of the front apron far from cabinet body.
By using above-mentioned technical proposal, pulls traction rope that can facilitate and bounce back to limited post in holding tank.
The utility model is further arranged to: one end that the traction rope is pierced by front apron is fixedly connected with pull ring.
By using above-mentioned technical proposal, pull ring can facilitate operation convenient for tearing to traction rope.
The utility model is further arranged to: the front apron is made of elastic material, and the front apron is far from holding tank
Side be embedded in cabinet body.
By using above-mentioned technical proposal, the upside and downside of front apron can realize connection between cabinet body, thus
So that front apron is not easy to fall from cabinet, its connection reliability is improved.
In conclusion the utility model has the following beneficial effects:
1. can facilitate and filter is overhauled and replaced by the way that front apron to be detachably arranged；
2. passing through the setting of removal rod and removal hole, it can facilitate and squeeze limited post to holding tank, while removal rod
It is threadedly coupled with removal hole, the self-locking of removal rod also may be implemented, so as to persistently squeeze limited post, facilitate behaviour
Make；
3. passing through the setting of traction rope and pull ring, it can facilitate and limited post is operated, be completely embedded into it to receiving
In slot, the disassembly of front apron is realized with this.
Detailed description of the invention
Fig. 1 is in the utility model embodiment 1 for embodying whole structural schematic diagram；
Fig. 2 is the portion the A enlarged drawing in Fig. 1；
Fig. 3 is in the utility model embodiment 2 for embodying whole structural schematic diagram；
Fig. 4 is the portion the B enlarged drawing in Fig. 3；
Fig. 5 is in the prior art for embodying the overall structure diagram of Biohazard Safety Equipment.
In figure, 1, cabinet body；11, blowdown area；111, partition；112, wind inlet channel area；113, circulation air path area；12, it works
Area；121, elevating glass；122, workbench；1221, grid is entered the wind；123, air inlet；13, limiting slot；131, removal hole；2, mistake
Filter；3, air intake blower fan；4, exhaust duct；5, front apron；51, link block；511, holding tank；6, fixation kit；61, it limits
Column；62, compressed spring；7, stretch rope；71, removal rod；8, traction rope；81, pull ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1: as shown in Figure 1, for a kind of biologic cleanliness safety for being conveniently replaceable filter disclosed by the utility model
Cabinet, including cabinet body 1.Front and rear sides in cabinet body 1 are respectively equipped with workspace 12 and blowdown area 11.Workspace 12 includes being mounted on
Elevating glass 121 and workbench 122 on cabinet body 1, the left and right sides of workbench 122 are equipped with air inlet grid 1221.
As shown in Figure 1, being equipped with air inlet 123 in the upside of workspace 12, it is equipped in air inlet 123 and connects with workbench 122
Logical filter 2, the filter 2 used in the present embodiment is HEPA filter.It is located under workbench 122 in blowdown area 11
Side is equipped with the partition 111 being fixedly connected with workbench 122, and blowdown area 11 is separated into wind inlet channel area 112 and circulation by partition 111
Air duct area 113；It is equipped with exhaust duct 4 in the upside of cabinet body 1, exhaust duct 4 is connected to circulation air path area 113.
As shown in Figure 1, being equipped with air intake blower fan 3 in circulation air path area 113, the suction opening of air intake blower fan 3 is connected to air inlet
In air duct area 112, the air outlet of air intake blower fan 3 is connected in circulation air path area 113；It is also set at the air outlet of air intake blower fan 3
There is the air filter plate (not shown) in corrugated core.Corrugated core can not only enhance air filter plate itself
Intensity, while also can increase the contact area of itself and gas, so that it is when air intake blower fan 3 is blown, it is pre- to air advanced
The effect of row filtering is more excellent.
As illustrated in fig. 1 and 2, the front side that cabinet body 1 is located at right above workbench 122 is provided with opening, opening is provided with
The front apron 5 made of softer stainless steel material.The downside of front apron 5 is embedded to the lower sidecar body 1 of opening, front apron 5
It is fixedly connected with link block 51 towards the side of cabinet body 1, link block 51 is arranged close to the upside of front apron 5, and its internal setting
There is holding tank 511, fixation kit 6 is provided in holding tank 511, while offering limiting slot 13 in the roof of cabinet body 1, using admittedly
Front apron 5 and cabinet body 1 can be achieved detachably in the cooperation for determining component 6 and limiting slot 13.
As shown in Fig. 2, the fixation kit 6 includes limited post 61 and compressed spring 62.Limited post 61 is set to holding tank 511
Interior, the slot bottom of 62 one end of compressed spring and holding tank 511 contradicts, and the bottom of the other end and limited post 61 contradicts, and squeezes compression bullet
Limited post 61 can be recycled to completely in holding tank 511 when spring 62, when compressed spring 62 in the raw when limited post 61
Divide and stretch out outside holding tank 511, and is embedded in limiting slot 13.
As shown in Fig. 2, the slot bottom in limiting slot 13 is also provided with and is through to the removal hole 131 of interior 1 roof of cabinet body, removal hole
131 aperture is less than the diameter of limited post 61, while passing through flexible 7 connection of rope in the side that 1 roof of cabinet body is located at removal hole 131
There is removal rod 71.It is inserted into removal hole 131 using removal rod 71, limited post 61 can be made to squeeze compressed spring 62, work as limited post
Front apron 5 can be removed when 61 disengaging removal hole 131, so that convenient overhauled and replaced to filter 2 (referring to Fig. 1).
In order to which when removing front apron 5, removal rod 71 persistently can apply pressure to limited post 61, therefore by removal rod 71 and removal hole
It is set as being threadedly coupled between 131.
The implementation principle of above-described embodiment are as follows: when installation front apron 5, since front apron 5 has certain elasticity, first by it
Downside is embedded in cabinet body 1, and squeezing limited post 61 using manpower is completely retracting to it in holding tank 511.By 5 direction of front apron
The direction of cabinet body 1 pushes, while manpower leaves limited post 61, when front apron 5 seals the opening of 1 upside of cabinet body completely, at this time
Limited post 61 moves at limiting slot 13, is acted on by the counter-force of compressed spring 62 so that limited post 61 is sprung into limiting slot automatically
In 13, to complete the installation of front apron 5.
When needing to dismantle front apron 5, removal rod 71 is screwed in removal hole 131, so that limited post 61 is detached from limit
Slot 13.The power extracted out outward is applied to front apron 5 later, front apron 5 can be opened at this time, and from cabinet body 1 upwards
Extraction, HEPA filter is overhauled and be replaced.
Embodiment 2: a kind of biologic cleanliness safety cabinet being conveniently replaceable filter, as shown in Figures 3 and 4, not with embodiment 1
It is with place, traction rope 8 is provided in link block 51, one end of traction rope 8 extends in holding tank 511 and and limited post
61 bottom is fixed, and the other end extends the front side of front apron 5 and is connected with the pull ring 81 convenient for operation.Utilize traction rope 8
Control whether changeable limited post 61 is detached from limiting slot 13, to cooperate the installation and removal of front apron 5 to work.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of biologic cleanliness safety cabinet for being conveniently replaceable filter, including cabinet body (1), the cabinet body (1) is interior to be equipped with blowdown area
(11) and workspace (12), the upside of the workspace (12) are equipped with the filter (2) being connected to blowdown area (11), the blowdown
Air intake blower fan (3) are equipped in area (11), are connected with exhaust duct (4) on the upside of the blowdown area (11), it is characterised in that: described
The top installed in front that cabinet body (1) is located at workspace (12) has front apron (5), side of the front apron (5) towards cabinet body (1)
It is fixedly installed link block (51), is provided with holding tank (511) in the link block (51), setting in the holding tank (511)
Have fixation kit (6), the roof of the cabinet body (1) offers limiting slot (13), and the front apron (5) passes through fixation kit (6)
It is detachably connected in insertion limiting slot (13) with cabinet body (1).
2. a kind of biologic cleanliness safety cabinet for being conveniently replaceable filter according to claim 1, it is characterised in that: described solid
Determining component (6) includes the limited post (61) that is set in holding tank (511) and compressed spring (62), and the one of the limited post (61)
End is located in the holding tank (511), and the other end is embedded in limiting slot (13), and the compressed spring (62) is fixedly connected on limit
Between position column (61) and the slot bottom of holding tank (511), the limited post (61) can be completely retracting in holding tank (511).
3. a kind of biologic cleanliness safety cabinet for being conveniently replaceable filter according to claim 2, it is characterised in that: the limit
The slot bottom of position slot (13) offers the removal hole (131) for being through to cabinet body (1) roof, and the aperture of the removal hole (131) is less than
The diameter of limited post (61).
4. a kind of biologic cleanliness safety cabinet for being conveniently replaceable filter according to claim 3, it is characterised in that: the cabinet
Body (1) roof is connected with removal rod (71) by flexible rope (7), in one end insertion removal hole (131) of the removal rod (71)
And it is abutted with limited post (61) far from one end of holding tank (511) slot bottom.
5. a kind of biologic cleanliness safety cabinet for being conveniently replaceable filter according to claim 4, it is characterised in that: described to tear open
Bar (71) is unloaded to be threadedly coupled with removal hole (131).
6. a kind of biologic cleanliness safety cabinet for being conveniently replaceable filter according to claim 2, it is characterised in that: the company
It connects and is provided with traction rope (8) in block (51), one end and limited post (61) of the traction rope (8) are towards holding tank (511) slot bottom
One end fix, the other end extend front apron (5) far from cabinet body (1) side.
7. a kind of biologic cleanliness safety cabinet for being conveniently replaceable filter according to claim 6, it is characterised in that: described to lead
One end that messenger (8) is pierced by front apron (5) is fixedly connected with pull ring (81).
8. a kind of biologic cleanliness safety cabinet for being conveniently replaceable filter according to claim 1, it is characterised in that: before described
Baffle (5) is made of elastic material, and the front apron (5) is embedded in cabinet body (1) far from the side of holding tank (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821984002.9U CN209206005U (en) | 2018-11-29 | 2018-11-29 | A kind of biologic cleanliness safety cabinet being conveniently replaceable filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821984002.9U CN209206005U (en) | 2018-11-29 | 2018-11-29 | A kind of biologic cleanliness safety cabinet being conveniently replaceable filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209206005U true CN209206005U (en) | 2019-08-06 |
Family
ID=67461974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821984002.9U Active CN209206005U (en) | 2018-11-29 | 2018-11-29 | A kind of biologic cleanliness safety cabinet being conveniently replaceable filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209206005U (en) |
-
2018
- 2018-11-29 CN CN201821984002.9U patent/CN209206005U/en active Active
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