CN215143208U - Novel fume chamber - Google Patents
Novel fume chamber Download PDFInfo
- Publication number
- CN215143208U CN215143208U CN202121388156.3U CN202121388156U CN215143208U CN 215143208 U CN215143208 U CN 215143208U CN 202121388156 U CN202121388156 U CN 202121388156U CN 215143208 U CN215143208 U CN 215143208U
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- Prior art keywords
- cabinet
- installation cabinet
- novel
- toughened glass
- window
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- Expired - Fee Related
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- 239000003517 fume Substances 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 47
- 238000009423 ventilation Methods 0.000 claims abstract description 20
- 239000003822 epoxy resin Substances 0.000 claims abstract description 15
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 15
- 239000005341 toughened glass Substances 0.000 claims description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 20
- 238000002474 experimental method Methods 0.000 description 14
- 238000000605 extraction Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
- Ventilation (AREA)
Abstract
The utility model discloses a novel ventilation cabinet, which comprises an installation cabinet, a movable window unit and a ventilation unit; installing a cabinet: the lower surface of the guide plate is provided with a storage cabinet, the lower end of the front side surface of the installation cabinet is provided with a working window, the bottom wall surface of the installation cabinet is provided with an epoxy resin plate, the rear wall surface of the installation cabinet is symmetrically provided with fixing columns, and the front end surfaces of the two fixing columns are fixedly connected with the rear side surface of the guide plate; a moving window unit: the rotary connecting is arranged in the mounting cabinet; a ventilation unit: set up in the upper surface of installation cabinet, the ventilation unit includes connecting pipe, the cover and the negative-pressure air fan of induced drafting, the cover that induced drafts sets up respectively in the wind gap department that installation cabinet top set up, and the inside of two covers that induced drafts all is equipped with negative-pressure air fan, and this novel fume chamber can make the window more stable at the in-process that reciprocates, avoids the window to appear the phenomenon that drops at the removal in-process, has guaranteed the security of equipment.
Description
Technical Field
The utility model relates to a fume chamber technical field specifically is a novel fume chamber.
Background
The fume hood is generally required to be equipped in chemical laboratories of universities and colleges, scientific research institutions and the like, and the fume hood mainly has the function of exhausting irritant, toxic and harmful gases generated in chemical experiments. Along with the development of the times, the living standard of people is continuously improved, people are more and more high to the rigor of scientific experiment, and traditional fume chamber is ordinary fume chamber, and functional singleness, and exhaust effect is poor, and for this reason, need a novel fume chamber to satisfy people's user demand. But current novel fume chamber can not purify filtration treatment to the harmful gas of extraction, and most fume chamber windows adopt wire rope to drive glass and reciprocate, and wire rope's fracture can cause the window to drop, has reduced the security of fume chamber, and consequently, we propose a novel fume chamber and solve this type of problem.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a novel fume chamber, can carry out better extraction to the harmful gas that produces during the experiment, improve the security of equipment, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel ventilation cabinet comprises an installation cabinet, a movable window unit and a ventilation unit;
installing a cabinet: the lower surface of the guide plate is provided with a storage cabinet, the lower end of the front side surface of the installation cabinet is provided with a working window, the bottom wall surface of the installation cabinet is provided with an epoxy resin plate, the rear wall surface of the installation cabinet is symmetrically provided with fixing columns, and the front end surfaces of the two fixing columns are fixedly connected with the rear side surface of the guide plate;
a moving window unit: the rotary connecting is arranged in the mounting cabinet;
a ventilation unit: set up in the upper surface of installation cabinet, this novel fume chamber can make the window more stable at the in-process that reciprocates, avoids the window to appear the phenomenon that drops at the removal in-process, has guaranteed the security of equipment, can carry out better extraction to the harmful gas that produces when the experiment, has improved the security of equipment.
Furthermore, the front side of the installation cabinet is provided with a control switch group, and an input end of the control switch group is electrically connected with an external power supply, so that the operation of personnel can be facilitated.
Further, the removal window unit includes accommodate the lead screw, regulating block, toughened glass cover and toughened glass, accommodate the lead screw rotates respectively through the bearing to be connected between the upper and lower wall of installation cabinet, and the equal threaded connection of lower extreme of two accommodate the lead screw has the regulating block of symmetric distribution, and four regulating blocks are close to the surface of installation cabinet the central axis all with toughened glass cover fixed connection, and the inside of toughened glass cover is equipped with toughened glass, can make the window more stable at the in-process that reciprocates, avoids the window phenomenon that drops to appear in the removal in-process, has guaranteed the security of equipment.
Further, the movable window unit further comprises a motor and belt pulleys, the motor is arranged on the upper surface of the installation cabinet, the top ends of the two adjusting screw rods respectively penetrate through the rotary holes formed in the top end of the installation cabinet, the belt pulleys are arranged at the ends of the rotary holes, the two belt pulleys are connected through belt transmission, the end face of the top end of the belt pulley on the right side is fixedly connected with the end head of an output shaft of the motor, and the input end of the motor is electrically connected with the output end of the control switch group, so that the working efficiency of personnel can be improved.
Further, the ventilation unit includes connecting pipe, the cover and the negative-pressure air fan induced draft, the cover that induced drafts sets up respectively in the wind gap department that installation cabinet top set up, and the inside of two covers that induced drafts all is equipped with negative-pressure air fan, and the exhaust vent department that two cover tops that induced drafts set up all is equipped with the connecting pipe, and negative-pressure air fan's input electricity connection control switch group's output can carry out better extraction to the harmful gas that produces during the experiment, has improved the security of equipment.
Further, the ventilation unit still includes exhaust pipe, cartridge filter and active carbon filter plate, the cartridge filter sets up in the upper surface of installation cabinet, and the inside of cartridge filter is equipped with the active carbon filter plate, and the air outlet department that the cartridge filter top set up is equipped with the exhaust pipe, and the air outlet of two connecting pipes links to each other with the air intake that the cartridge filter lower extreme set up respectively, can purify filtration treatment to harmful gas, has richened the functionality of equipment.
Further, the upper surface of installation cabinet is equipped with the protective housing, and motor and belt pulley all are located the inside of protective housing, can avoid drive arrangement to receive outside infringement.
Compared with the prior art, the beneficial effects of the utility model are that: this novel fume chamber has following benefit:
1. regulation and control through control switch group, the motor operation, the output shaft of motor drives the belt pulley and rotates, transmission through the belt is connected, two belt pulleys rotate simultaneously, the belt pulley drives accommodate the lead screw and rotates in the installation cabinet, because the regulating block is threaded connection with accommodate the lead screw, so when accommodate the lead screw rotates, can drive the regulating block along accommodate the lead screw rebound, the regulating block drives toughened glass cover and shifts up, toughened glass also shifts up thereupon, along with toughened glass's continuous shifting up, toughened glass cancels shelters from work window, toughened glass removes behind the suitable position, the motor stall, can make the window more stable at the in-process that reciprocates, avoid the window phenomenon that drops to appear in the removal process, the security of equipment has been guaranteed.
2. Through the regulation and control of control switch group, negative pressure air fan operates, negative pressure air fan extracts gas from the installation cabinet through the cover that induced drafts, the harmful gas that produces during the experiment flows along the guide plate upwards under negative pressure air fan's negative pressure effort, and enter into the cartridge filter through the cover and the connecting pipe of induced drafting, the harmful gas that the active carbon filter plate in the cartridge filter was taken negative pressure air fan out purifies the filtration, clean gas after the purification filtration passes through the exhaust pipe and discharges, can carry out better extraction to the harmful gas that produces during the experiment, the security of equipment has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the movable window unit of the present invention;
fig. 3 is a schematic structural view of the ventilation unit of the present invention;
fig. 4 is the internal sectional structure diagram of the installation cabinet of the present invention.
In the figure: the device comprises an installation cabinet 1, a storage cabinet 2, a working window 3, an epoxy resin plate 4, a protective shell 5, a movable window unit 6, a motor 61, a belt pulley 62, an adjusting screw rod 63, an adjusting block 64, a toughened glass cover 65, toughened glass 66, a ventilation unit 7, an exhaust pipe 71, a filter cartridge 72, an activated carbon filter plate 73, a connecting pipe 74, an air suction cover 75, a negative pressure fan 76, a fixed column 8, a guide plate 9 and a control switch group 10.
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.
Referring to fig. 1-4, the present embodiment provides a technical solution: a novel ventilation cabinet comprises a mounting cabinet 1, a movable window unit 6 and a ventilation unit 7;
installing a cabinet 1: the lower surface of the mounting cabinet is provided with a storage cabinet 2, utensils required by workers during experiments can be stored in the storage cabinet 2 below the mounting cabinet 1, the lower end of the front side surface of the mounting cabinet 1 is provided with a working window 3, the bottom wall surface of the mounting cabinet 1 is provided with an epoxy resin plate 4, the workers place objects to be tested on the epoxy resin plate 4 through the working window 3, and experiments are carried out on the epoxy resin plate 4, the epoxy resin plate 4 has excellent alkali resistance, acid resistance and solvent resistance, therefore, when the experimental reagent is carelessly scattered on the epoxy resin plate 4, the experimental reagent only slightly corrodes the epoxy resin plate 4, the fixing columns 8 are symmetrically arranged on the rear wall surface of the mounting cabinet 1, the front end faces of the two fixing columns 8 are fixedly connected with the rear side surface of the guide plate 9, the guide plate 9 can be used for guiding the toxic gas moving upwards, and the working efficiency of the ventilation cabinet is improved;
moving window unit 6: the movable window unit 6 comprises a motor 61, a belt pulley 62, adjusting screw rods 63, adjusting blocks 64, a toughened glass cover 65 and toughened glass 66, the adjusting screw rods 63 are respectively and rotatably connected between the upper wall surface and the lower wall surface of the installation cabinet 1 through bearings, the lower ends of the two adjusting screw rods 63 are respectively in threaded connection with the adjusting blocks 64 which are symmetrically distributed, the surfaces of the four adjusting blocks 64 close to the central axis of the installation cabinet 1 are respectively and fixedly connected with the toughened glass cover 65, the toughened glass 66 is arranged inside the toughened glass cover 65, the motor 61 is arranged on the upper surface of the installation cabinet 1, the top ends of the two adjusting screw rods 63 respectively penetrate through rotary holes arranged at the top end of the installation cabinet 1 and are provided with the belt pulley 62 at the end, the two belt pulleys 62 are connected through belt transmission, the top end surface of the right belt pulley 62 is fixedly connected with the output shaft end of the motor 61, the motor 61 runs, the output shaft of the motor 61 drives the belt pulleys 62 to rotate, the belt pulleys 62 are connected in a transmission manner through a belt, the two belt pulleys 62 simultaneously rotate, the belt pulleys 62 drive the adjusting screw 63 to rotate in the installation cabinet 1, and the adjusting block 64 is in threaded connection with the adjusting screw 63, so that when the adjusting screw 63 rotates, the adjusting block 64 is driven to move upwards along the adjusting screw 63, the adjusting block 64 drives the toughened glass cover 65 to move upwards, the toughened glass 66 also moves upwards along with the toughened glass 66, the toughened glass 66 cancels shielding of the working window 3 along with continuous upwards movement of the toughened glass 66, and after the toughened glass 66 moves to a proper position, the motor 61 stops running, so that the window can be more stable in the up-and-down moving process, the phenomenon that the window falls off in the moving process is avoided, and the safety of equipment is ensured;
the ventilation unit 7: the ventilation unit 7 comprises an exhaust pipe 71, a filter cartridge 72, an activated carbon filter plate 73, connecting pipes 74, an air suction hood 75 and a negative pressure fan 76, the air suction hood 75 is respectively arranged at an air inlet arranged at the top end of the installation cabinet 1, the negative pressure fan 76 is respectively arranged inside the two air suction hoods 75, the connecting pipes 74 are respectively arranged at the air outlets arranged at the top ends of the two air suction hoods 75, the filter cartridge 72 is arranged at the upper surface of the installation cabinet 1, the activated carbon filter plate 73 is arranged inside the filter cartridge 72, the exhaust pipe 71 is arranged at the air outlet arranged at the top end of the filter cartridge 72, the air outlets of the two connecting pipes 74 are respectively connected with the air inlet arranged at the lower end of the filter cartridge 72, the negative pressure fan 76 operates, the negative pressure fan 76 extracts gas from the installation cabinet 1 through the air suction hood 75, harmful gas generated in the experiment flows upwards under the negative pressure acting force of the negative pressure fan 76 and enters the filter cartridge 72 through the air suction hood 75 and the connecting pipes 74, the active carbon filter plate 73 in the filter cartridge 72 purifies and filters the harmful gas pumped by the negative pressure fan 76, and the purified and filtered clean gas is exhausted through the exhaust pipe 71, so that the harmful gas generated in the experiment can be better extracted, and the safety of the equipment is improved;
wherein: the upper surface of installation cabinet 1 is equipped with protective housing 5, and motor 61 and belt pulley 62 all are located the inside of protective housing 5, and protective housing 5 can avoid motor 61 to receive outside infringement.
Wherein: the front side surface of the installation cabinet 1 is provided with a control switch group 10, the input end of the control switch group 10 is electrically connected with an external power supply, and the control switch group 10 regulates and controls the normal operation of the motor 61 and the negative pressure fan 76.
The utility model provides a pair of novel fume chamber's theory of operation as follows: the worker moves the equipment to the designated work area, the motor 61 and the negative pressure fan 76 operate by controlling the switch group 10, the output shaft of the motor 61 drives the belt pulley 62 to rotate, the two belt pulleys 62 rotate simultaneously through the transmission connection of the belt, the belt pulley 62 drives the adjusting screw 63 to rotate in the installation cabinet 1, the adjusting block 64 and the adjusting screw 63 are in threaded connection, so when the adjusting screw 63 rotates, the adjusting block 64 is driven to move upwards along the adjusting screw 63, the adjusting block 64 drives the toughened glass cover 65 to move upwards, the toughened glass 66 also moves upwards, the toughened glass 66 cancels the shielding of the working window 3 along with the continuous upward movement of the toughened glass 66, after the toughened glass 66 moves to a proper position, the motor 61 stops operating, and then, the worker places the object to be tested on the epoxy resin plate 4 through the working window 3, and experiments are carried out on the epoxy resin plate 4, the epoxy resin plate 4 has excellent alkali resistance, acid resistance and solvent resistance, therefore, when the experimental reagent is carelessly scattered on the epoxy resin plate 4, only very little corrosion is caused to the epoxy resin plate 4, the negative pressure fan 76 extracts gas from the installation cabinet 1 through the air suction cover 75, the harmful gas generated during the experiment flows upwards along the guide plate 9 under the negative pressure acting force of the negative pressure fan 76, and enters into the filter cylinder 72 through the air suction cover 75 and the connecting pipe 74, the active carbon filter plate 73 in the filter cylinder 72 purifies and filters the harmful gas pumped by the negative pressure fan 76, the purified and filtered clean gas is discharged through the exhaust pipe 71, the vessels required by the staff during the experiment can be stored in the storage cabinet 2 below the installation cabinet 1, and the protective shell 5 can prevent the motor 61 from being damaged by the outside.
It should be noted that the specific model of the motor 61 disclosed in the above embodiment is 51K150GU-SF, the specific model of the negative pressure fan 76 is WF-056, and the control switch group 10 is provided with switch buttons which are in one-to-one correspondence with the motor 61 and the negative pressure fan 76 and are used for controlling the on-off operation of the motor 61 and the negative pressure fan 76.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. A novel fume chamber, its characterized in that: comprises a mounting cabinet (1), a movable window unit (6) and a ventilation unit (7);
mounting cabinet (1): the lower surface of the guide plate is provided with a storage cabinet (2), the lower end of the front side surface of the installation cabinet (1) is provided with a working window (3), the bottom wall surface of the installation cabinet (1) is provided with an epoxy resin plate (4), the rear wall surface of the installation cabinet (1) is symmetrically provided with fixing columns (8), and the front end surfaces of the two fixing columns (8) are fixedly connected with the rear side surface of the guide plate (9);
moving window unit (6): is rotatably connected to the inside of the mounting cabinet (1);
a ventilation unit (7): is arranged on the upper surface of the mounting cabinet (1).
2. A novel fumehood according to claim 1 wherein: the front side of the installation cabinet (1) is provided with a control switch group (10), and the input end of the control switch group (10) is electrically connected with an external power supply.
3. A novel fumehood according to claim 2 wherein: remove window unit (6) and include accommodate the lead screw (63), regulating block (64), toughened glass cover (65) and toughened glass (66), accommodate the lead screw (63) rotate through the bearing respectively and connect between the upper and lower wall of installation cabinet (1), and the equal threaded connection of lower extreme of two accommodate the lead screw (63) has regulating block (64) of symmetric distribution, and four regulating block (64) are close to the surface of installation cabinet (1) the central axis all with toughened glass cover (65) fixed connection, and the inside of toughened glass cover (65) is equipped with toughened glass (66).
4. A novel fumehood according to claim 3 wherein: remove window unit (6) and still include motor (61) and belt pulley (62), motor (61) set up in the upper surface of installation cabinet (1), and the top end of two accommodate the lead screw (63) passes the commentaries on classics hole that installation cabinet (1) top set up respectively and is equipped with belt pulley (62) in end department, and two belt pulleys (62) are connected through belt transmission, and belt pulley (62) top terminal surface on right side and the output shaft end fixed connection of motor (61), the output of the input electricity connection control switch group (10) of motor (61).
5. A novel fumehood according to claim 2 wherein: the ventilation unit (7) comprises a connecting pipe (74), air suction covers (75) and negative pressure fans (76), the air suction covers (75) are respectively arranged at air inlets formed in the top end of the installation cabinet (1), the negative pressure fans (76) are arranged in the two air suction covers (75), the connecting pipe (74) is arranged at air exhaust holes formed in the top ends of the two air suction covers (75), and the input end of each negative pressure fan (76) is electrically connected with the output end of the control switch group (10).
6. A novel fume hood, according to claim 5, characterized in that: ventilation unit (7) still include exhaust pipe (71), cartridge filter (72) and active carbon filter board (73), cartridge filter (72) set up in the upper surface of installation cabinet (1), and the inside of cartridge filter (72) is equipped with active carbon filter board (73), and the air outlet department that cartridge filter (72) top set up is equipped with exhaust pipe (71), and the air outlet of two connecting pipes (74) links to each other with the air intake that cartridge filter (72) lower extreme set up respectively.
7. A novel fume hood according to claim 4, characterized in that: the upper surface of installation cabinet (1) is equipped with protective housing (5), and motor (61) and belt pulley (62) all are located the inside of protective housing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121388156.3U CN215143208U (en) | 2021-06-22 | 2021-06-22 | Novel fume chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121388156.3U CN215143208U (en) | 2021-06-22 | 2021-06-22 | Novel fume chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215143208U true CN215143208U (en) | 2021-12-14 |
Family
ID=79385210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121388156.3U Expired - Fee Related CN215143208U (en) | 2021-06-22 | 2021-06-22 | Novel fume chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215143208U (en) |
-
2021
- 2021-06-22 CN CN202121388156.3U patent/CN215143208U/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: 20211214 |