CN211538903U

CN211538903U - Fume hood ventilation control device and fume hood

Info

Publication number: CN211538903U
Application number: CN201922315346.1U
Authority: CN
Inventors: 曾晓奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-09-22
Anticipated expiration: 2029-12-21

Abstract

The utility model discloses a fume hood ventilation control device and fume hood, including fume hood frame, laboratory cave, laboratory bench, for the experiment article locker, ventilation control slide, spout, air guide, exhaust pipe and fan, fume hood frame is one side open-ended cavity setting. The utility model belongs to the technical field of experiment ventilation equipment, specifically a preset multilayer baffle accessible and control the air volume of fume hood to the regulation of baffle, further increase the ventilation effect of fume hood, type pyramid air ducting's setting can be discharged toxic or irritative gas that the experiment produced through the exhaust pipe fast, lighting device's setting can guarantee that the experimenter also can carry out the experiment operation smoothly when light is not good, the thing platform can be placed experimental articles for use to the multilayer, fume hood ventilation control device and fume hood of taking when making things convenient for the experiment.

Description

Fume hood ventilation control device and fume hood

Technical Field

The utility model belongs to the technical field of experiment ventilation equipment, specifically indicate a fume hood ventilation control device and fume hood.

Background

Fume hood, also known as fume hood, is a kind of large-scale equipment in chemical laboratory, is used for reducing the contact of experimenter and harmful gas, and fume hood is the protection personnel and prevents the one-level protective screen of poisonous chemical flue gas harm, and it can be as important safety back-up equipment, like in chemical experiment process failure, effectively discharge harmful gas when chemical smog, dust and toxic gas produce, protection staff and laboratory environment.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned current difficult problem, the utility model provides a it controls the air volume of fume hood to have preset the regulation of multilayer baffle accessible to the baffle, further increase the ventilation effect of fume hood, type pyramid air ducting's setting can be discharged toxic or irritative gas that the experiment produced through the exhaust pipe fast, lighting device's setting can guarantee that the experimenter also can carry out the experiment operation smoothly when light is not good, the thing platform can be placed experimental articles for use to the multilayer, fume hood ventilation control device and fume hood of taking when making things convenient for the experiment.

The utility model adopts the following technical scheme: the utility model relates to a fume hood ventilation control device and a fume hood, which comprises a fume hood frame, an experimental cavity, an experimental bench, an experimental article storage cabinet, a ventilation control sliding plate, a sliding chute, a wind guide piece, an exhaust pipe and a fan, wherein the fume hood frame is a hollow cavity with one side opening, the experimental bench is horizontally arranged on the inner side wall of the fume hood frame, the experimental cavity is arranged in the fume hood frame and is arranged right above the experimental bench, the experimental article storage cabinet is arranged in the fume hood frame and is arranged right below the experimental bench, the sliding chute is arranged on two non-adjacent inner side walls at the opening part of the experimental cavity, the ventilation control sliding plate is clamped and arranged in the sliding chute, the width of the ventilation control sliding plate is slightly smaller than that of the sliding chute, the ventilation control sliding plate can freely slide in the sliding chute, the wind guide piece is arranged in the experimental cavity, and the exhaust pipe, the fan is arranged in the air exhaust pipe.

Furthermore, the sliding groove comprises a single-side sliding groove and a double-side sliding groove, the single-side sliding groove is arranged on two non-adjacent side walls in the experiment cavity, the single-side sliding groove is arranged in a concave shape, the height of the single-side sliding groove is equal to that of the experiment cavity, and the double-side sliding groove is arranged on the upper wall in the experiment cavity and on the experiment table.

Further, the double-sided sliding groove comprises a fixed sliding groove and a movable sliding groove, the fixed sliding groove is arranged on the upper wall of the inner side of the experimental cavity, two groups of fixed chutes are arranged, the fixed chutes are arranged in an I shape, the middle of each fixed chute is provided with a clamping groove, the experiment table is provided with a moving chute sliding through hole, the moving chute is arranged in the moving chute through hole, two groups of moving chutes are arranged, the moving chutes and the fixed chutes are arranged in one-to-one correspondence, the number of the moving chutes is equal to the number of the sliding through holes of the moving chutes, the width of the moving sliding groove is slightly larger than that of the sliding through hole of the moving sliding groove, the moving sliding groove can freely slide in the sliding through hole of the moving sliding groove, the movable sliding groove is arranged in an I shape, and the two opposite side walls at the upper end of the movable sliding groove are provided with limiting blocks which play a role in fixing and limiting the movable sliding groove.

Further, the ventilation control slide plate comprises a fixed baffle, a first ventilation control slide plate, a second ventilation control slide plate and a third ventilation control slide plate, the fixed baffle is arranged on the upper wall of the inner side of the opening of the experimental cavity, the first ventilation control slide plate is arranged in the single-face chute and the fixed chute, the third ventilation control slide plate is slidably arranged in the double-face chute in a clamping manner, the second ventilation control slide plate is slidably arranged in the single-face chute and the double-face chute in a clamping manner, and the second ventilation control slide plate is arranged between the first ventilation control slide plate and the third ventilation control slide plate.

Further, ventilation control slide one, ventilation control slide two and ventilation control slide three are the rectangle setting, ventilation control slide one and ventilation control slide two are equipped with the block post on being close to a lateral wall of fixed spout, the block post block is located in the joint groove, all be equipped with the block post on the three two non-adjacent lateral walls of ventilation control slide, ventilation control slide three is crossed the block post joint and is slided and locate in the joint groove.

Further, be equipped with the air exit on the fume hood frame upper wall, the central point that the fume hood frame upper wall was located to the air exit puts the department, air exit department is located to the exhaust pipe, the exhaust pipe is the setting of buckling L, can be with the gas outgoing in the experiment chamber and be difficult to lead to the phenomenon of backward flow.

Furthermore, the air guide piece is arranged in a pyramid shape, so that gas with pungent smell in the experimental cavity can be rapidly exhausted.

Further, be equipped with the light on the inboard back wall in experiment chamber, can throw light on when the experiment, the accuracy of reinforcing experiment, be equipped with a plurality of groups experiment on the inside wall in experiment chamber and place the platform, can place experimental articles for use in the experiment and place the bench, take when making things convenient for the experiment.

Further, article locker for experiments includes storing chamber, storing door and handle, the storing chamber is located in the fume hood frame and is located under the laboratory bench, the storing door is equipped with two sets ofly, the storing door rotates respectively to be located on two non-adjacent inside walls in storing chamber, the handle is located on the storing door, the quantity of handle equals the quantity of storing door, the handle can conveniently be opened the storing door.

Furthermore, the fixed baffle and the ventilation control sliding plate are made of transparent glass.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme presets drainage and comb and can discharge the poisonous or irritability gas that the experiment produced from the device through the exhaust pipe fast, and the lighting device of setting can guarantee that the experimenter also can carry out the experiment operation smoothly when light is not good, and the sealed window of slidingtype can seal the experiment chamber when no operation, effectively guarantees the clean fume hood ventilation control device and fume hood in experiment chamber.

Drawings

Fig. 1 is a schematic view of an overall structure of a fume hood ventilation control device and a fume hood according to the present invention;

fig. 2 is a schematic view of a fume hood ventilation control device and a partial structure of a fume hood according to the present invention;

fig. 3 is a schematic structural view of a fume hood ventilation control device and a fume hood fixing chute according to the present invention;

fig. 4 is a schematic structural view of a fume hood ventilation control device and a fume hood moving chute according to the present invention;

fig. 5 is a schematic structural view of a fume hood ventilation control device and a fume hood ventilation control slide plate iii according to the present invention;

fig. 6 is a schematic structural view of a fume hood ventilation control device, a fume hood ventilation control slide plate i, and a fume hood ventilation control slide plate ii according to the present invention.

The device comprises a fume hood framework, a 2 experiment cavity, a 3 experiment table, a 4 experiment article storage cabinet, a 5 ventilation control sliding plate, a 6 sliding groove, a 7 sliding guide piece, an 8 exhaust pipe, a 9 fan, a 10 single-side sliding groove, a 11 double-side sliding groove, a 12 fixed sliding groove, a 13 moving sliding groove, a 14 clamping groove, a 15 moving sliding groove sliding through hole, a 16 limiting block, a 17 fixed baffle plate, a 18 ventilation control sliding plate I, a 19 ventilation control sliding plate II, a 20 ventilation control sliding plate III, a 21 clamping column, a 22 exhaust outlet, a 23 illuminating lamp, a 24 experiment placing table, a 25 storage cavity, a 26 storage door, a 27 handle.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, the present invention relates to a fume hood ventilation control device and a fume hood, comprising a fume hood frame 1, a laboratory cavity 2, a laboratory bench 3, an experimental article storage cabinet 4, a ventilation control slide 5, a sliding chute 6, a wind guide 7, an exhaust pipe 8 and a fan 9, wherein the fume hood frame 1 is a hollow cavity with one side open, the laboratory bench 3 is horizontally arranged on the inner side wall of the fume hood frame 1, the laboratory cavity 2 is arranged in the fume hood frame 1 and is arranged right above the laboratory bench 3, the experimental article storage cabinet 4 is arranged in the fume hood frame 1 and is arranged right below the laboratory bench 3, the sliding chute 6 is arranged on two non-adjacent inner side walls at the opening of the laboratory cavity 2, the ventilation control slide 5 is clamped in the sliding chute 6, the width of the ventilation control slide 5 is slightly smaller than the width of the sliding chute 6, the ventilation control slide 5 can freely slide in the sliding chute 6, air guide 7 is located in experiment chamber 2, exhaust pipe 8 is located on the fume hood frame 1 upper wall, fan 9 is located in exhaust pipe 8.

The sliding groove 6 comprises a single-face sliding groove 10 and a double-face sliding groove 11, the single-face sliding groove 10 is arranged on two non-adjacent side walls in the experiment cavity 2, the single-face sliding groove 10 is arranged in a concave shape, the height of the single-face sliding groove 10 is equal to that of the experiment cavity 2, and the double-face sliding groove 11 is arranged on the upper wall in the experiment cavity 2 and on the experiment table 3.

The double-sided sliding groove 11 comprises a fixed sliding groove 12 and a movable sliding groove 13, the fixed sliding groove 12 is arranged on the upper wall of the inner side of the experimental cavity 2, the fixed sliding groove 12 is provided with two groups, the fixed sliding groove 12 is arranged in an I shape, a clamping groove 14 is arranged in the middle of the fixed sliding groove 12, a movable sliding groove sliding through hole 15 is arranged on the experimental table 3, the movable sliding groove 13 is arranged in a through hole of the movable sliding groove 13, the movable sliding groove 13 is provided with two groups, the movable sliding groove 13 and the fixed sliding groove 12 are arranged in a one-to-one correspondence manner, the number of the movable sliding grooves 13 is equal to the number of the movable sliding groove sliding through holes 15, the width of the movable sliding groove 13 is slightly larger than the width of the movable sliding groove sliding through hole 15, the movable sliding groove can freely slide in the movable sliding groove sliding through hole, the, plays a role in fixing and limiting the movable sliding chute 13.

Ventilation control slide 5 includes fixed stop 17, ventilation control slide 18, two 19 of ventilation control slide and three 20 of ventilation control slide, fixed stop 17 is located on the inboard upper wall of 2 openings in laboratory cave, ventilation control slide 18 is located in single face spout 10 and fixed spout 12, three 20 joints of ventilation control slide are slided and are located in two-sided spout 11, two 19 joints of ventilation control slide are slided and are located in single face spout 10 and two-sided spout 11, ventilation control slide two 19 are located between ventilation control slide 18 and the three 20 of ventilation control slide.

Ventilation control slide 18, ventilation control slide 19 and ventilation control slide three 20 are the rectangle setting, ventilation control slide 18 and ventilation control slide two 19 are equipped with the block post 21 on being close to a lateral wall of fixed spout 12, the block post 21 block is located in joint groove 14, all be equipped with block post 21 on the two non-adjacent lateral walls of ventilation control slide three 20, ventilation control slide three 20 slides through the block post 21 joint and locates in joint groove 14.

Be equipped with air exit 22 on the fume hood frame 1 upper wall, the central point that fume hood frame 1 upper wall was located to air exit 22 puts the department, air exit 22 department is located to exhaust pipe 8, exhaust pipe 8 is the setting of buckling L, can be with the gas outgoing in experimental cavity 2 and be difficult to lead to the phenomenon of backward flow.

The air guide 7 is arranged in a pyramid shape, and can quickly discharge the gas with pungent odor in the experimental cavity 2.

Be equipped with light 23 on the inboard back wall in laboratory cavity 2, can throw light on when the experiment, the accuracy of reinforcing experiment, be equipped with a plurality of groups experiment on the inside wall in laboratory cavity 2 and place platform 24, can place experimental articles for use in the experiment and place the platform 24 on, take when making things convenient for the experiment.

Article locker 4 for experiments includes storing chamber 25, storing door 26 and handle 27, storing chamber 25 is located in fume hood frame 1 and is located under laboratory bench 3, storing door 26 is equipped with two sets ofly, storing door 26 rotates respectively and locates on two non-adjacent inside walls in storing chamber 25, handle 27 is located on storing door 26, the quantity of handle 27 equals the quantity of storing door 26, handle 27 can conveniently open storing door 26.

The fixed baffle 17 and the ventilation control sliding plate 5 are made of transparent glass.

When the device is used specifically, the distance from the first ventilation control sliding plate 18 to the experiment table 3 is adjusted through the single-face sliding chute 10 and the fixed sliding chute 12 to realize the control of the ventilation volume of the fume hood, the distance from the third ventilation control sliding plate 20 to the experiment table 3 is adjusted through the fixed sliding chute 12 to realize the control of the ventilation volume of the fume hood, the distance from the second ventilation control sliding plate 19 to the experiment table 3 is adjusted through the single-face sliding chute 10 and the fixed sliding chute 12 to realize the control of the ventilation volume of the fume hood, the fume control sliding plate 18, the second ventilation control sliding plate 19 and the third ventilation control sliding plate 20 move downwards to exceed the fixed sliding chute 12, at the moment, an experimenter holds the handle 27 with hands to open the storage door 26, moves the moving sliding chute 13 upwards along the moving chute sliding through hole 15, and performs sealed clamping on the first ventilation control sliding plate 18, the second ventilation control sliding plate 19 and the, realize the control to the air volume through adjusting the distance of ventilation control slide 18, two 19 and three 20 of ventilation control slides to laboratory bench 3, then take out the article that need experimental usefulness and place on laboratory bench 3, open fan 9 and light 23 and can begin experimental operation, fan 9 begins work, poisonous or irritability gas that produces in the experiment will be driven along air guide 7 and through exhaust pipe 8 by fan 9 and discharge, above that be the device's whole work flow, repeated step can when next operation.

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

1. The utility model provides a fume hood ventilation controlling means and fume hood which characterized in that: including fume hood frame, laboratory cave, laboratory bench, article locker for experiments, ventilation control slide, spout, air guide, exhaust pipe and fan, fume hood frame is one side open-ended cavity setting, the laboratory bench level is located on the fume hood frame inside wall, the laboratory cave is located in the fume hood frame and is located directly over the laboratory bench, article locker for experiments is located in the fume hood frame and is located under the laboratory bench, the spout is located on two non-adjacent inside walls of laboratory cave opening part, the ventilation control slide joint is located in the spout, the width of ventilation control slide slightly is less than the width of spout, and the ventilation control slide can freely slide in the spout, the air guide locate in the laboratory cave the exhaust pipe is located on the fume hood frame upper wall, the fan is located in the exhaust pipe.

2. A fume hood ventilation control device and fume hood as claimed in claim 1 wherein: the slide groove comprises a single-face slide groove and a double-face slide groove, the single-face slide groove is arranged on two non-adjacent side walls in the experiment cavity, the single-face slide groove is arranged in a concave shape, the height of the single-face slide groove is equal to that of the experiment cavity, and the double-face slide groove is arranged on the upper wall in the experiment cavity and on the experiment table.

3. A fume hood ventilation control device and fume hood as claimed in claim 2 wherein: the double-sided spout is including fixed spout and removal spout, fixed spout is located on the inboard upper wall of laboratory cave, fixed spout is equipped with two sets ofly, fixed spout is the I shape setting, the centre of fixed spout is equipped with the joint groove, be equipped with removal spout sliding through hole on the laboratory bench, the removal spout is located in the removal spout through hole, the removal spout is equipped with two sets ofly, removal spout and fixed spout one-to-one setting, the quantity of removal spout equals the quantity of removal spout sliding through hole, the width of removal spout slightly is greater than the width of removal spout sliding through hole, the removal spout is the I shape setting, the upper end double-phase of removal spout is equipped with the stopper on the lateral wall.

4. A fume hood ventilation control device and fume hood as claimed in claim 3 wherein: the ventilation control slide plate comprises a fixed baffle plate, a ventilation control slide plate I, a ventilation control slide plate II and a ventilation control slide plate III, wherein the fixed baffle plate is arranged on the upper wall of the inner side of an opening of the experimental cavity, the ventilation control slide plate I is arranged in a single-face chute and a fixed chute, the ventilation control slide plate III is slidably arranged in a double-face chute, the ventilation control slide plate II is slidably arranged in the single-face chute and the double-face chute, and the ventilation control slide plate II is arranged between the ventilation control slide plate I and the ventilation control slide plate III.

5. A fume hood ventilation control device and fume hood as claimed in claim 4 wherein: the ventilation control slide I, the ventilation control slide II and the ventilation control slide III are arranged in a rectangular mode, a clamping column is arranged on one side wall, close to the fixed sliding groove, of the ventilation control slide I and the ventilation control slide II, the clamping column is arranged in the clamping groove in a clamping mode, clamping columns are arranged on the side walls, which are not adjacent to each other, of the ventilation control slide III, and the ventilation control slide III is arranged in the clamping groove in a sliding mode through the clamping columns in a clamping mode.

6. A fume hood ventilation control device and fume hood as claimed in claim 5 wherein: the fume hood is characterized in that an air outlet is formed in the upper wall of the fume hood frame and is arranged at the central position of the upper wall of the fume hood frame, an air outlet is formed in the air outlet, and the air outlet is bent in an L shape.

7. A fume hood ventilation control device and fume hood as claimed in claim 6 wherein: the air guide piece is arranged in a pyramid shape.

8. A fume hood ventilation control device and fume hood as defined in claim 7 wherein: the back wall of the inner side of the experimental cavity is provided with an illuminating lamp, and the inner side wall of the experimental cavity is provided with a plurality of groups of experimental placing tables.

9. A fume hood ventilation control device and fume hood as defined in claim 8 wherein: article locker for experiments includes storing chamber, storing door and handle, the storing chamber is located in the fume hood frame and is located under the laboratory bench, the storing door is equipped with two sets ofly, the storing door rotates respectively and locates on the two nonadjacent inside walls in storing chamber, the handle is located on the storing door, the quantity of handle equals the quantity of storing door.

10. A fume hood ventilation control device and fume hood as defined in claim 9 wherein: the fixed baffle and the ventilation control sliding plate are made of transparent glass.