CN212821678U - Automatic air supplement type fume chamber - Google Patents
Automatic air supplement type fume chamber Download PDFInfo
- Publication number
- CN212821678U CN212821678U CN202021582569.0U CN202021582569U CN212821678U CN 212821678 U CN212821678 U CN 212821678U CN 202021582569 U CN202021582569 U CN 202021582569U CN 212821678 U CN212821678 U CN 212821678U
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- China
- Prior art keywords
- air
- cabinet body
- exhaust
- operation cavity
- glass window
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- 239000003517 fume Substances 0.000 title claims abstract description 24
- 239000013589 supplement Substances 0.000 title claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 22
- 238000009423 ventilation Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004071 soot Substances 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
- 239000003440 toxic substance Substances 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses an automatic mend wind type fume chamber, including the cabinet body, liftable glass window, inlet air duct, air-blower, the passageway of airing exhaust, exhaust pipe and mobile cabinet, the cabinet body from the top down includes operation chamber and pull chamber in proper order, inlet air duct runs through cabinet body upper wall and locates the operation chamber outside, operation chamber lateral wall is equipped with the aviation baffle that sets up to the back, cabinet body lateral wall is equipped with the lift spout that lower extreme opening set up, liftable glass window slides and locates in the lift spout, be equipped with the contactless handle hole on the liftable glass window, the inlet air duct top is located to the air-blower, the passageway of airing exhaust locates operation chamber back lateral wall, the exhaust pipe runs through cabinet body upper wall and locates the passageway top of airing exhaust, be equipped with the exhaust fan in the passageway of airing exhaust. The utility model belongs to the technical field of the fume chamber is relevant, specifically provide an automatic air supplement type fume chamber that practicality is high, easy operation, protection are tight and can effectively ventilate.
Description
Technical Field
The utility model belongs to the technical field of the fume chamber is relevant, specifically indicate an automatic mend wind type fume chamber.
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, a good ventilation system should be provided in the laboratory. To prevent some vapors, toxic gases and particles (smoke, soot, dust and aerosols) from being absorbed by the human body, when experimenters are experimenting with harmful or contaminating substances, the harmful substances may be removed by using a fume hood, a fume hood or a local ventilation. The ventilation equipment that present laboratory is more commonly used mainly is the fume chamber, but, on the one hand, current automatic air supplement type fume chamber ventilation efficiency is low, and relatively easily inhales by the user when extracting harmful gas, and on the other hand, current automatic air supplement type fume chamber does not have protector, so need an automatic air supplement type fume chamber to help solving above-mentioned problem now.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing difficult problem, the utility model provides an automatic air supplement type fume chamber that practicality is high, easy operation, protection are tight and can effectively ventilate.
The utility model adopts the following technical scheme: the utility model relates to an automatic air supplement type fume chamber, which comprises a chamber body, a liftable glass window, an air inlet channel, an air blower, an air exhaust channel, an exhaust pipe and a movable cabinet, wherein the chamber body sequentially comprises an operation cavity and a drawing cavity from top to bottom, the operation cavity and the drawing cavity are hollow cavity with one open end, an extension workbench is arranged at the open end of the bottom wall of the operation cavity and is convenient for placing various experimental articles, the air inlet channel penetrates through the upper wall of the chamber body and is arranged outside the operation cavity, the air inlet channel is distributed around the outside of the operation cavity in a U shape, vent holes are uniformly distributed on the side walls at two sides of the operation cavity and the bottom wall of the operation cavity, the vent holes penetrate through the side wall of the operation cavity, the operation cavity is communicated with the air inlet channel through the vent holes, the side wall of the operation cavity is provided with a wind deflector which, the gas in the operation cavity is discharged more efficiently, the side wall of the cabinet body is provided with a lifting chute with an opening at the lower end, the lifting chute is arranged above the opening end of the operation cavity, the liftable glass window is arranged in the lifting chute in a sliding manner, the liftable glass window is convenient for an experimenter to observe the experiment process better, a closed experiment or a non-closed experiment is reasonably selected, the liftable glass window is provided with a contact-free operation hole, the contact-free operation hole is provided with a protective glove, when the experimenter performs the experiment on the harmful substances, the experimenter does not need to be in direct contact with the harmful substances, the experiment is performed indirectly through the contact-free operation hole and the protective glove, the liftable glass window completely seals the harmful gases in the operation cavity, the harmful gases are prevented from being absorbed by the experimenter, the liftable glass window is safer and more convenient, the, the handle is convenient for draw and draws liftable glass window, the air-blower is located the cabinet body upper wall, the inlet air duct top is located to the air-blower, and the air-blower is convenient for the more efficient a large amount of air that flows of inlet air duct, thereby the air-blower is pumped fresh air to inlet air duct in so that operation intracavity gas flows fast and will operate the intracavity harmful gas and discharge, the passageway of airing exhaust is located operation chamber back lateral wall, the passageway of airing exhaust is lower extreme opening setting, the exhaust pipe runs through cabinet body upper wall and locates the passageway top of airing exhaust, be equipped with the exhaust fan in the passageway of airing exhaust, the one end that the passageway of airing exhaust is close to the exhaust pipe is located to the exhaust fan, exhaust pipe department is located to the end of airing exhaust of exhaust fan, and the exhaust fan is convenient for operate the intracavity.
Further, the rotatable baffle that is equipped with of operation chamber upper wall, the length of lift spout is greater than the length of liftable glass window, the length of lift spout to the articulated department of baffle is less than the length of baffle, when the liftable glass window goes up to pull in the lift spout in, can carry on spacingly to the liftable glass window with the baffle back-out, and the restriction liftable glass window glides in the lift spout, makes things convenient for the experimenter to operate.
Furthermore, the liftable glass window is close to cabinet body one side lateral wall border department and is equipped with the sealing strip, and when carrying out airtight experiment, the sealing strip is convenient for seal, guarantees that gaseous not from the side leakage.
Further, the cabinet body outside is equipped with switch, switch links to each other with air-blower, exhaust fan, is convenient for control air-blower and exhaust fan work.
Furthermore, a power plug is arranged on the outer side of the cabinet body and supplies power to the device to enable the device to work.
Furthermore, the bottom end of the movable cabinet is provided with a pulley, the pulley is convenient for dragging the movable cabinet out to move, and the movable cabinet is suitable for a large number of storage.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the automatic air supplement type ventilation cabinet has the advantages that the structure is simple, the design is reasonable, the operation is simple and convenient, the safety is high, the outside air enters the operation cavity along the air vents in a large number of pumping air inlet channels of the air blower, the air deflector arranged obliquely and backwards is convenient for guiding the airflow blown out from the air vents to the rear part of the operation cavity in a directional mode, the possibility of diffusing harmful gas to the direction of operators is reduced, the harmful gas is convenient to blow to the lower end opening of the air exhaust channel, the exhaust fan exhausts the harmful gas from the air exhaust channel through the exhaust pipe, the high-efficiency emission of the harmful gas is facilitated, the safety of an experiment space is ensured, the liftable glass window arranged in a liftable mode is arranged outside the operation cavity, the liftable glass window is convenient for selecting airtight or non-airtight experiments, for experiments with large harmfulness of released gas, the operators can pull the liftable glass window to close the operation cavity, the experiment personnel of both being convenient for carry out normal experiment, effectively completely cut off the experiment personnel simultaneously again and inhale harmful gas, have ensured the safety of experiment personnel, and global design makes the experiment can be safer, high-efficient, convenient going on.
Drawings
Fig. 1 is a schematic structural view of an automatic air supply type fume chamber of the present invention;
fig. 2 is a perspective view of an automatic air supply type fume chamber of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a sectional view taken along line B-B in fig. 1.
The multifunctional cabinet comprises a cabinet body 1, a cabinet body 11, a movable cabinet 111, a movable cabinet door handle 112, a movable cabinet door 113, pulleys, 114, a drawing cavity 12, a liftable glass window 121, a handle 122, a contact-free operation hole 123, protective gloves 124, sealing strips, 13, an operation cavity 131, a vent hole 132, a baffle plate 133, an air deflector, 14, an air inlet channel 141, an air blower 15, an air exhaust channel 151, an exhaust fan 152, an exhaust pipe 16, a power switch 17, a lifting chute 18, an extension workbench 19 and a power plug.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments, and all the parts of the present invention not described in detail in the technical features or the connection relation are the prior art.
As shown in fig. 1-4, the utility model relates to an automatic air supplement type ventilation cabinet, which comprises a cabinet body 1, a liftable glass window 12, an air inlet channel 14, an air blower 141, an air exhaust channel 15, an exhaust pipe 152 and a mobile cabinet 11, wherein the cabinet body 1 sequentially comprises an operation cavity 13 and a pull cavity 114 from top to bottom, the operation cavity 13 and the pull cavity 114 are hollow cavities with one open end, an extension workbench 18 is arranged at the open end of the bottom wall of the operation cavity 13, the air inlet channel 14 penetrates through the upper wall of the cabinet body 1 and is arranged outside the operation cavity 13, the air inlet channel 14 is distributed around the outside of the operation cavity 13 in a U shape, vent holes 131 are uniformly distributed on the side walls of two sides of the operation cavity 13 and the bottom wall of the operation cavity 13, the vent holes 131 penetrate through the side wall of the operation cavity 13, the operation cavity 13 is communicated with the air inlet channel 14 through the vent holes 131, the side wall, the side wall of the cabinet body 1 is provided with a lifting chute 17 with a lower end opening, the lifting chute 17 is arranged above the opening end of the operation cavity 13, the liftable glass window 12 is arranged in the lifting chute 17 in a sliding manner, the liftable glass window 12 is provided with a contact-free operation hole 122, the contact-free operation hole 122 is provided with a protective glove 123, the liftable glass window 12 is provided with a handle 121, the air blower 141 is arranged on the upper wall of the cabinet body 1, the air blower 141 is arranged at the top end of the air inlet channel 14, the air outlet channel 15 is arranged on the rear side wall of the operation cavity 13, the air outlet channel 15 is arranged with a lower end opening, the exhaust pipe 152 penetrates through the upper wall of the cabinet body 1 and is arranged above the air outlet channel 15, the air outlet channel 15 is internally provided with an exhaust fan 151, the exhaust fan 151 is arranged at one end of the, the movable cabinet 11 is slidably disposed in the drawing cavity 114.
The upper wall of the operation cavity 13 is rotatably provided with a baffle 132, the length of the lifting chute 17 is greater than that of the lifting glass window 12, and the length from the lifting chute 17 to the hinged part of the baffle 132 is less than that of the baffle 132; the edge of the side wall of the liftable glass window 12 close to the cabinet body 1 is provided with a sealing strip 124; a power switch 16 is arranged on the outer side of the cabinet body 1, and the power switch 16 is connected with the blower 141 and the exhaust fan 151; a power plug 19 is arranged on the outer side of the cabinet body 1; the bottom end of the movable cabinet 11 is provided with a pulley 13.
When the device is used specifically, for experiments which require sealed operation and generate large amount of harmful gas, an experimenter puts experimental instruments and materials into the operation cavity 13, rotates the baffle 132 to enable the experimental instruments and materials to be contracted into the operation cavity 13, at the moment, the lower end of the lifting chute 17 is not blocked, the experimenter holds the handle 121 to pull down the liftable glass window 12 to enable the liftable glass window 12 to seal the opening end of the operation cavity 13, the operation cavity 13 forms a sealed space, the experimenter inserts two hands into the contact-free operation hole 122 and the protective gloves 123, experiments are carried out in the operation cavity 13 through the protective gloves 123, the experiments are observed through the liftable glass window 12, the experimenter does not need to contact with harmful gas, the experimenter is effectively prevented from inhaling the harmful gas, the power switch 16 is pressed down, the air blower 141 and the exhaust fan 151 work, the air blower 141 works to enable a large amount of air to enter the air inlet channel 14, and fresh air flows enter the, the air flow entering along the air vents 131 on the bottom wall of the operation cavity 13 drives the harmful gas to rapidly flow towards the lower opening of the air exhaust channel 15, the air flow entering the operation cavity 13 along the air vents 131 on the two side walls of the operation cavity 13 is guided obliquely by the air guide plate 133 to drive the harmful gas in the operation cavity 13 to move obliquely towards the rear of the operation cavity 13, so that the gas in the operation cavity 13 directionally flows into the air exhaust channel 15, the exhaust fan 151 at the top end of the air exhaust channel 15 works to rapidly suck the harmful gas in the operation cavity 13 into the air exhaust channel 15 through the air exhaust channel 15 and exhaust the harmful gas out of the operation cavity 13 through the exhaust pipe 152, for the experiment which generates small amount of harmful gas and does not need sealing operation, an experimenter can directly lift the liftable glass window 12 into the lifting chute 17 and rotate the baffle 132 to be screwed out to the lower end of the lifting chute 17, the baffle 132 limits the liftable glass, at this time, the operation chamber 13 is in an open state, the user directly performs an experiment in the operation chamber 13 and presses the power switch 16 to control the blower 141 and the exhaust fan 151 to work and exhaust harmful gas, the extension operation table 18 on the outer side of the bottom end of the operation chamber 13 can be used for placing experimental articles, and the movable cabinet 11 can be used for storing and storing.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. The utility model provides an automatic mend wind type fume chamber which characterized in that: the glass cabinet comprises a cabinet body, a liftable glass window, an air inlet channel, an air blower, an air exhaust channel, an exhaust pipe and a movable cabinet, wherein the cabinet body sequentially comprises an operation cavity and a drawing cavity from top to bottom, the operation cavity and the drawing cavity are arranged in a hollow cavity with an opening at one end, an epitaxial workbench is arranged at the opening end of the bottom wall of the operation cavity, the air inlet channel penetrates through the upper wall of the cabinet body and is arranged outside the operation cavity, the air inlet channel is distributed around the outer side of the operation cavity in a U shape, vent holes are uniformly distributed on the side walls at two sides of the operation cavity and the bottom wall of the operation cavity, the vent holes penetrate through the side walls of the operation cavity, the operation cavity is communicated and connected with the air inlet channel through the vent holes, an air deflector is obliquely arranged backwards is arranged on the side wall of the operation cavity, a lifting chute with an, the improved cabinet is characterized in that a contact-free operation hole is formed in the liftable glass window, protective gloves are arranged on the contact-free operation hole, a handle is arranged on the liftable glass window, the air blower is arranged on the upper wall of the cabinet body, the air blower is arranged at the top end of the air inlet channel, the air exhaust channel is arranged on the rear side wall of the operation cavity, the air exhaust channel is provided with a lower end opening, the exhaust pipe penetrates through the upper wall of the cabinet body and is arranged above the air exhaust channel, an exhaust fan is arranged in the air exhaust channel and is arranged at one end, close to the exhaust pipe, of the air exhaust channel, the air exhaust end of the exhaust fan.
2. An automatic air supplement type fume hood according to claim 1, characterized in that: the rotatable baffle that is equipped with of operation chamber upper wall, the length of lift spout is greater than the length of liftable glass window, the length of lift spout to the articulated department of baffle is less than the length of baffle.
3. An automatic air supplement type fume hood according to claim 1, characterized in that: the edge of the side wall of the liftable glass window, which is close to one side of the cabinet body, is provided with a sealing strip.
4. An automatic air supplement type fume hood according to claim 1, characterized in that: the cabinet body outside is equipped with switch, switch links to each other with air-blower, exhaust fan.
5. An automatic air supplement type fume hood according to claim 1, characterized in that: and a power plug is arranged on the outer side of the cabinet body.
6. An automatic air supplement type fume hood according to claim 1, characterized in that: the bottom end of the movable cabinet is provided with a pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582569.0U CN212821678U (en) | 2020-08-03 | 2020-08-03 | Automatic air supplement type fume chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582569.0U CN212821678U (en) | 2020-08-03 | 2020-08-03 | Automatic air supplement type fume chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212821678U true CN212821678U (en) | 2021-03-30 |
Family
ID=75128352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021582569.0U Expired - Fee Related CN212821678U (en) | 2020-08-03 | 2020-08-03 | Automatic air supplement type fume chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212821678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116651884A (en) * | 2023-07-31 | 2023-08-29 | 山西誉恒天祥实验室设备有限公司 | Fume chamber |
-
2020
- 2020-08-03 CN CN202021582569.0U patent/CN212821678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116651884A (en) * | 2023-07-31 | 2023-08-29 | 山西誉恒天祥实验室设备有限公司 | Fume chamber |
| CN116651884B (en) * | 2023-07-31 | 2023-10-13 | 山西誉恒天祥实验室设备有限公司 | Fume chamber |
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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: 20210330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |