CN210045736U - Top-drawing laboratory ventilation cabinet - Google Patents
Top-drawing laboratory ventilation cabinet Download PDFInfo
- Publication number
- CN210045736U CN210045736U CN201920736378.6U CN201920736378U CN210045736U CN 210045736 U CN210045736 U CN 210045736U CN 201920736378 U CN201920736378 U CN 201920736378U CN 210045736 U CN210045736 U CN 210045736U
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- CN
- China
- Prior art keywords
- fixing
- window
- filter screen
- groove
- cabinet body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009423 ventilation Methods 0.000 title claims abstract description 40
- 239000003517 fume Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 7
- 238000002474 experimental method Methods 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a top extraction formula laboratory fume chamber, the intelligent cabinet temperature adjusting device comprises a cabinet body, cabinet body front side is provided with the window, be provided with the operation panel in the window, operation panel upper end and left and right sides are provided with ventilation unit, ventilation unit includes installing frame, connecting device, vent, fixing device, filter screen, ventilation pipe and fan, the vent sets up the upper end and the left and right sides at the operation panel respectively, be provided with the installing frame through connecting device on the vent, be provided with the filter screen through fixing device in the installing frame, be provided with the fan on the ventilation pipe, the ventilation pipe accesss to cabinet body top, be provided with tap and wash port on the operation panel, the operation panel rear side is provided with lighting device. The utility model discloses can filter the corrosive gas in the experiment, extension equipment life can conveniently dismantle the installation simultaneously and be convenient for maintain, and the practicality is strong.
Description
Technical Field
The utility model relates to a top-drawing laboratory fume hood belongs to fume hood technical field.
Background
Fume hoods are an integral part of laboratory ventilation design. In order for laboratory workers not to inhale or swallow some toxic, pathogenic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory. To prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the pollutants must be removed by fume hoods, ventilation hoods or local ventilation.
The operating panel in the fume chamber of today leads to corroding because of being stained with corrosive chemical for a long time easily, uses a period after when the operating panel, because unable change and need replace whole fume chamber, the cost is wasted, and current fume chamber installation dismantlement is comparatively troublesome, and the maintenance work of fume chamber is more difficult, designs a top extraction formula laboratory fume chamber now and solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a top pull formula laboratory fume chamber to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a top pull-out laboratory fume chamber, includes the cabinet body, cabinet body front side is provided with the window, be provided with the operation panel in the window, operation panel upper end and left and right sides are provided with the samming ventilation unit, ventilation unit includes installing frame, connecting device, vent, fixing device, filter screen, ventilation pipe and fan, the vent sets up respectively in the upper end and the left and right sides of operation panel, be provided with the installing frame through connecting device on the vent, be provided with the filter screen through fixing device in the installing frame, be provided with the fan on the ventilation pipe, the ventilation pipe accesss to cabinet body top, be provided with tap and wash port on the operation panel, the operation panel rear side is provided with lighting device, be provided with control panel on the cabinet body, lighting device and fan and control panel electric connection.
Preferably, the window bilateral symmetry is provided with the slide rail, the window upper end is provided with accomodates the groove, be provided with transparent baffle through the slider in the slide rail, be provided with the set screw on the slider, transparent baffle is accomodate in accomodating the groove.
Preferably, connecting device includes gag lever post, spacing hole and sealed magnetic stripe, the gag lever post sets up on the installing frame, spacing hole sets up in vent department, sealed magnetic stripe corresponds and sets up on installing frame and vent, gag lever post and spacing hole agree with each other.
Preferably, fixing device includes fixed block, fixed slot, briquetting, gag lever post, spacing hole, spout, spring, card strip and draw-in groove, the fixed block symmetry sets up in the inside both sides of installing frame, be provided with the fixed slot on the fixed block, be provided with the gag lever post in the fixed slot, the gag lever post top is provided with the spout, be provided with the card strip through the spring symmetry in the spout, the filter screen both ends are provided with spacing hole, the filter screen both ends are through spacing hole suit on the gag lever post, be provided with the draw-in groove on the briquetting, the briquetting is fixed on the fixed block through card strip and draw-in groove.
Preferably, be provided with a plurality of ventilation holes on the installing frame, be provided with the dust screen in the ventilation hole, installing frame surface spraying has corrosion resistant coating.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a top drawing formula laboratory fume chamber can filter the corrosive gas that has that produces in the point experiment through the filter screen that sets up to protect ventilation unit not corroded, the life of extension equipment.
The utility model discloses the connecting device and the fixing device that set up facilitate the dismantlement of installing frame and filter screen to make things convenient for the cleanness and the maintenance work of fume chamber.
The utility model discloses the three ventilation unit who sets up can conveniently adjust the wind direction, the experiment operation of being convenient for, the utility model discloses simple structure, convenient operation, the practicality is strong.
Drawings
Fig. 1 is a schematic view of a connection device of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic view of a window according to the present invention;
fig. 4 is a schematic view of the fixing device of the present invention;
in the figure: 1. a cabinet body; 2. a window; 3. an operation table; 4. a ventilation device; 5. installing a frame; 6. a connecting device; 7. a vent; 8. a fixing device; 9. a filter screen; 10. a vent pipe; 11. a fan; 12. A faucet; 13. a drain hole; 14. an illumination device; 15. a control panel; 16. a slide rail; 17. a receiving groove; 18. a slider; 19. a transparent partition; 20. fixing screws; 21. a limiting rod; 22. a limiting hole; 23. sealing the magnetic strip; 24. a fixed block; 25. fixing grooves; 26. briquetting; 27. a chute; 28. a spring; 29. clamping the strip; 30. a card slot; 31. a vent hole; 32. a dust screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution: a top-drawing laboratory ventilation cabinet comprises a cabinet body 1, wherein a window 2 is arranged on the front side of the cabinet body 1, an operation table 3 is arranged in the window 2, ventilation devices 4 are arranged at the upper end and the left and right sides of the operation table 3, each ventilation device 4 comprises an installation frame 5, a connecting device 6, a ventilation opening 7, a fixing device 8, a filter screen 9, a ventilation pipe 10 and a fan 11, the ventilation openings 7 are respectively arranged at the upper end and the left and right sides of the operation table 3, the installation frame 5 is arranged on the ventilation openings 7 through the connecting device 6, the filter screen 9 is arranged in the installation frame 5 through the fixing device 8, the fan 11 is arranged on the ventilation pipe 10, the ventilation pipe 10 leads to the top end of the cabinet body 1, a water tap 12 and a drain hole 13 are arranged on the operation table 3, a lighting device 14 is arranged at the rear side of the operation table 3, and, the lighting device 14 and the fan 11 are electrically connected with the control panel 15.
Further, the window 2 bilateral symmetry is provided with slide rail 16, the window 2 upper end is provided with accomodates the groove 17, be provided with transparent baffle 19 through slider 18 in the slide rail 16, be provided with set screw 20 on the slider 18, transparent baffle 19 is accomodate in accomodating the groove 17.
Further, connecting device 6 includes gag lever post 21, spacing hole 22 and sealed magnetic stripe 23, gag lever post 21 sets up on installing frame 5, spacing hole 22 sets up in vent 7 department, sealed magnetic stripe 23 corresponds the setting on installing frame 5 and vent 7, gag lever post 21 and spacing hole 22 agree with each other.
Further, fixing device 8 includes fixed block 24, fixed slot 25, briquetting 26, gag lever post 21, spacing hole 22, spout 27, spring 28, card strip 29 and draw-in groove 30, the 24 symmetry of fixed block sets up in the inside both sides of installing frame 5, be provided with fixed slot 25 on the fixed block 24, be provided with gag lever post 21 in the fixed slot 25, gag lever post 21 top is provided with spout 27, be provided with card strip 29 through the spring 28 symmetry in the spout 27, the filter screen 9 both ends are provided with spacing hole 22, the suit is on gag lever post 21 through spacing hole 22 in the filter screen 9 both ends, be provided with draw-in groove 30 on the briquetting 26, briquetting 26 is fixed on fixed block 24 through card strip 29 and draw-in groove 30.
Further, be provided with a plurality of ventilation holes 31 on the installing frame 5, be provided with dust screen 32 on the ventilation hole 31, 5 surface spraying of installing frame has corrosion resistant coating.
The working principle is as follows: the utility model relates to a top-drawing laboratory ventilation cabinet, in the laboratory, the staff can experiment on the operation panel 3 in the window 2, adjust the size of the window 2 by adjusting the height of the transparent partition plate 19 through the slide block 18 on the slide rail 16 on both sides of the window 2, in the experiment, the lighting device 14 above the operation panel 3 is controlled to work through the control panel 15 to illuminate, the fan 11 in the three ventilation devices 4 is controlled to work to suck the gas generated in the laboratory into the ventilation pipe 10 from the vent 7 and then discharge the gas, the filter screen 9 in the installation frame 5 arranged on the vent 7 can filter the corrosive substance in the gas to prevent the corrosive substance from corroding the ventilation pipe 10 and the fan 11, when the filter screen 9 in the installation frame 5 is cleaned and maintained, the installation frame 5 is pulled out from the vent 7 by force, so that the sealing magnetic stripe 23 and the limiting rod 21 on the installation frame 5 are separated from the sealing magnetic stripe 23 and the limiting hole 22 on the vent 7, the mounting frame 5 is dismounted, then the clamping strips 29 on the sliding grooves 27 on the limiting rods 21 in the fixing device 8 are mutually extruded to be close to each other, so that the limiting rods 21 can be separated from the limiting holes 22 on the pressing blocks 26, the pressing blocks 26 are taken down, then the filter screen 9 is separated from the limiting rods 21 and the fixing grooves 25 on the fixing blocks 24 by the same operation, the filter screen 9 is convenient to clean or replace, the limiting holes 22 at the two ends of the filter screen 9 penetrate through the limiting rods 21 in the fixing grooves 25 during mounting to mount the two ends of the filter screen 9 in the fixing grooves 25, then the pressing blocks 26 are mounted on the limiting rods 21, the pressing blocks 26 are fixed above the fixing blocks 24 through the clamping grooves 30 on the clamping strips 29 and the pressing blocks 26 to limit the filter screen 9, then the mounting frame 5 is mounted on the ventilation openings 7, and the anticorrosive paint sprayed on the surface of the mounting frame 5 can prevent corrosive gas from, whether the work of different fans 11 in the three ventilation unit 4 through the control can adjust the position of induced drafting to adjust the wind direction, the experiment operation of being convenient for.
It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a top drawing formula laboratory fume chamber which characterized in that: comprises a cabinet body (1), a window (2) is arranged on the front side of the cabinet body (1), an operation table (3) is arranged in the window (2), ventilating devices (4) are arranged on the upper end and the left and right sides of the operation table (3), each ventilating device (4) comprises an installation frame (5), a connecting device (6), a ventilating opening (7), a fixing device (8), a filter screen (9), a ventilating pipe (10) and a fan (11), the ventilating openings (7) are respectively arranged on the upper end and the left and right sides of the operation table (3), the installation frame (5) is arranged on each ventilating opening (7) through the connecting device (6), the filter screen (9) is arranged in each installation frame (5) through the fixing device (8), the fan (11) is arranged on each ventilating opening (10), the ventilating opening (10) leads to the top end of the cabinet body (1), a faucet (12) and a drain hole (13) are arranged on the, the rear side of the operating platform (3) is provided with a lighting device (14), the cabinet body (1) is provided with a control panel (15), and the lighting device (14), the fan (11) and the control panel (15) are electrically connected.
2. A top extraction laboratory fume hood as defined in claim 1 wherein: the window is characterized in that sliding rails (16) are symmetrically arranged on two sides of the window (2), a containing groove (17) is formed in the upper end of the window (2), a transparent partition plate (19) is arranged in the sliding rails (16) through a sliding block (18), a fixing screw (20) is arranged on the sliding block (18), and the transparent partition plate (19) is contained in the containing groove (17).
3. A top extraction laboratory fume hood as defined in claim 1 wherein: connecting device (6) include gag lever post (21), spacing hole (22) and sealed magnetic stripe (23), gag lever post (21) set up on installing frame (5), spacing hole (22) set up in vent (7) department, sealed magnetic stripe (23) correspond and set up on installing frame (5) and vent (7), gag lever post (21) and spacing hole (22) agree with each other.
4. A top extraction laboratory fume hood as defined in claim 1 wherein: the fixing device (8) comprises a fixing block (24), a fixing groove (25), a pressing block (26), a limiting rod (21), a limiting hole (22), a sliding groove (27), a spring (28), a clamping strip (29) and a clamping groove (30), the fixing blocks (24) are symmetrically arranged at two sides inside the mounting frame (5), fixing grooves (25) are arranged on the fixing blocks (24), a limiting rod (21) is arranged in the fixing groove (25), a sliding groove (27) is arranged at the top end of the limiting rod (21), the sliding groove (27) is symmetrically provided with clamping strips (29) through a spring (28), two ends of the filter screen (9) are provided with limiting holes (22), two ends of the filter screen (9) are sleeved on the limiting rod (21) through the limiting holes (22), the pressing block (26) is provided with a clamping groove (30), and the pressing block (26) is fixed on the fixing block (24) through a clamping strip (29) and the clamping groove (30).
5. A top extraction laboratory fume hood as defined in claim 1 wherein: be provided with a plurality of ventilation holes (31) on installing frame (5), be provided with dust screen (32) on ventilation hole (31), installing frame (5) surface spraying has corrosion resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920736378.6U CN210045736U (en) | 2019-05-21 | 2019-05-21 | Top-drawing laboratory ventilation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920736378.6U CN210045736U (en) | 2019-05-21 | 2019-05-21 | Top-drawing laboratory ventilation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210045736U true CN210045736U (en) | 2020-02-11 |
Family
ID=69382480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920736378.6U Expired - Fee Related CN210045736U (en) | 2019-05-21 | 2019-05-21 | Top-drawing laboratory ventilation cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210045736U (en) |
-
2019
- 2019-05-21 CN CN201920736378.6U patent/CN210045736U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 |