CN220111900U

CN220111900U - Novel fume chamber

Info

Publication number: CN220111900U
Application number: CN202321603776.3U
Authority: CN
Inventors: 胡秀文
Original assignee: Beijing Mingyuan Normal Technology Co ltd
Current assignee: Beijing Mingyuan Normal Technology Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-01
Anticipated expiration: 2033-06-25

Abstract

The utility model belongs to the technical field of fume hoods, and discloses a novel fume hood, which comprises a fume hood main body and a cabinet door arranged on the fume hood main body, wherein a glass plate for sealing the fume hood main body is arranged on the fume hood main body in a sliding manner, a placement plate for placing experimental instruments is arranged on the inner wall of the fume hood main body, a water tap for spraying water flow to the placement plate is arranged on the inner wall of the fume hood main body, a drainage groove is formed in the inner wall of the fume hood main body, a collection box for collecting drainage flow in the drainage groove is arranged in the fume hood main body, and a cleaning assembly for cleaning the placement plate is arranged on the fume hood main body. The utility model has the effect of improving the safety of staff.

Description

Novel fume chamber

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a novel fume hood.

Background

In the field of organic chemistry research, fume hoods are the most commonly used laboratory tables for researchers. When carrying out organic synthesis experiments, experimenters can use various organic solvents, some are easy to volatilize, some have malodor and even have toxicity, experiments are carried out in a fume hood, the concentration of the volatile solvents in the laboratory can be effectively reduced, and the harm to the experimenters caused by various reagents in the organic experiment process is reduced to the greatest extent.

A fume hood easy to clean is disclosed in Chinese patent publication No. CN212549652U, and comprises a hood body. A fan is arranged at the top of the cabinet body and is connected with a ventilation pipeline; the cabinet body is respectively provided with a cabinet door and an operation table, and the operation table divides the interior of the cabinet body into an experiment space and a storage space; the cabinet body is respectively provided with a glass sliding door, a fan switch and a fluorescent lamp switch, and a fluorescent lamp and a drawing type water tap are respectively arranged in the cabinet body; the fan switch is connected with the fan; the fluorescent lamp switch is connected with the fluorescent lamp.

In order to maintain the stability of the apparatus during the experiment, the upper table is in most cases a horizontal table. The device is used for cleaning the upper table top by opening the faucet to inject water flow into the upper table top, and because the upper table top is horizontal, when a worker opens the faucet, a large amount of water flow is easy to remain on the upper table top. At this time, the staff needs to manually clear the upper table surface, thereby being unfavorable for improving the safety of the staff.

Disclosure of Invention

In order to solve the problems, the utility model provides a novel fume hood.

The technical aim of the utility model is realized by the following technical scheme:

the novel fume chamber comprises a fume chamber body and a cabinet door arranged on the fume chamber body, wherein a glass plate for sealing the fume chamber body is arranged on the fume chamber body in a sliding manner, a placement plate for placing experimental instruments is arranged on the inner wall of the fume chamber body, a faucet for spraying water flow to the placement plate is arranged on the inner wall of the fume chamber body, a drainage tank is formed in the inner wall of the fume chamber body, a collection box for collecting drainage in the drainage tank is arranged in the fume chamber body, and a cleaning assembly for cleaning the placement plate is arranged on the fume chamber body.

Through adopting above-mentioned technical scheme, when the staff need clear up the setting plate, the staff need open tap to make rivers pass through tap setting plate. Subsequently, the staff needs to open the clearance subassembly to make the clearance subassembly clear up the rivers on the setting plate, and then reduced the probability that rivers were accumulated at setting plate upper surface, thereby improved staff's use experience.

Further, the inner wall of the fume hood main body is provided with a sliding groove, and the cleaning assembly comprises a sliding block arranged in the sliding groove, a fixing rod mutually fixed with the side wall of the sliding block, a scraping plate arranged on the fixing rod and a driving device arranged on the fume hood main body.

Through adopting above-mentioned technical scheme, when the staff need clear up the setting plate, the staff need start drive arrangement to make the slider remove along the extending direction of spout, and then make the dead lever and remove along the extending direction of spout with dead lever interconnect's scraper blade, thereby make the scraper blade clear up the setting plate, and then reduced the degree of difficulty of staff clearance setting plate.

Further, the sliding tray is provided with a sliding groove on the bottom surface of the fixed rod, the scraping plate is in sliding connection with the sliding groove, a fixed rod is fixed on the inner top wall of the sliding groove, and the fixed rod is in sliding connection with the upper surface of the scraping plate.

Further, a fixed spring is fixed on the upper surface of the scraping plate, and the other end of the fixed spring is mutually fixed with the inner top wall of the sliding groove.

Through adopting above-mentioned technical scheme, when the scraper blade follows the dead lever and slides, the scraper blade is supported tightly under the effect of fixed spring all the time and is settled the board to the cleaning effect of scraper blade has been improved. Meanwhile, the stability of the scraping plate is improved by the fixing rod, and the shaking probability of the scraping plate is reduced.

Further, the driving device comprises a driving motor fixed on the side wall of the main body of the fume chamber and a threaded rod mutually fixed with the end part of an output shaft of the driving motor, the output shaft of the driving motor extends into the sliding groove and is connected with the sliding groove in a rotating mode, and the threaded rod penetrates through the sliding block and is connected with the sliding block in a threaded mode.

Through adopting above-mentioned technical scheme, when the staff need start drive arrangement, the staff need start driving motor, and then makes driving motor's output shaft rotate, and then makes the threaded rod with driving motor output shaft interconnect rotate to make the slider remove along the extending direction of spout.

Further, an electromagnet is fixed on the inner top wall of the sliding groove, a control switch is arranged on the side wall of the ventilation cabinet main body, the control switch is connected with the electromagnet in a ferroelectric manner, and an iron rod is fixed on the upper surface of the scraping plate.

Through adopting above-mentioned technical scheme, after the scraper blade is cleared up the setting plate under driving motor's effect, the staff need make the scraper blade reset to carry out the secondary clearance to the setting plate. At this moment, the staff needs to press the control switch to make the electro-magnet circular telegram, and then make iron rod and electro-magnet adsorb each other, thereby make the scraper blade upwards remove under the effect of iron rod, and then make scraper blade and settling plate mutually separate, thereby reduced rivers and got back to the probability on the settling plate under the effect of scraper blade.

Further, an inclined surface is formed on the edge, which is close to the inner wall of the drainage groove and is intersected with the upper surface of the collection box.

By adopting the technical scheme, the difficulty of flowing water into the collecting box is reduced, and the stability of the device is further improved.

Further, a silica gel plate is fixed on the bottom surface of the scraping plate.

In summary, the utility model has the following beneficial effects:

1. in the utility model, when a worker needs to clean the setting plate, the worker needs to start the water tap, so that water flows through the water tap setting plate; then, a worker needs to start the cleaning assembly, so that the cleaning assembly cleans water flow on the setting plate, the probability that the water flow is accumulated on the upper surface of the setting plate is further reduced, and the use experience of the worker is improved;

2. in the utility model, when a worker needs to clean the placement plate, the worker needs to start the driving device, so that the sliding block moves along the extending direction of the sliding groove, and the fixed rod and the scraping plate connected with the fixed rod move along the extending direction of the sliding groove, so that the scraping plate cleans the placement plate, and the difficulty of cleaning the placement plate by the worker is reduced;

3. in the utility model, after the scraping plate cleans the placing plate under the action of the driving motor, a worker needs to reset the scraping plate and clean the placing plate for the second time; at this moment, the staff needs to press the control switch to make the electro-magnet circular telegram, and then make iron rod and electro-magnet adsorb each other, thereby make the scraper blade upwards remove under the effect of iron rod, and then make scraper blade and settling plate mutually separate, thereby reduced rivers and got back to the probability on the settling plate under the effect of scraper blade.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a faucet and its connection structure according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a driving device and a connection structure thereof according to an embodiment of the present utility model;

fig. 4 is a schematic view of a fixing rod and a connection structure thereof according to an embodiment of the present utility model.

In the figure: 1. a fume hood body; 11. a cabinet door; 2. a glass plate; 21. a setting plate; 3. a water tap; 31. a drainage channel; 4. a collection box; 41. a chute; 5. cleaning the assembly; 51. a slide block; 52. a fixed rod; 53. a scraper; 6. a driving device; 61. a driving motor; 62. a threaded rod; 7. a sliding groove; 71. a fixing rod; 8. a fixed spring; 81. an electromagnet; 82. a control switch; 83. an iron rod; 9. and a silica gel plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

As shown in fig. 1 to 4, the embodiment of the utility model discloses a novel fume hood, which comprises a fume hood main body 1, a cabinet door 11, a glass plate 2, a mounting plate 21, a water tap 3, a collecting box 4, a cleaning assembly 5, a fixing rod 71, a fixing spring 8, an electromagnet 81, a control switch 82 and an iron rod 83.

The fume chamber body 1 is of a cuboid structure with a hollow inside, and an opening at one side of the fume chamber body 1 is arranged. The cabinet door 11 is of a platy structure, and the cabinet door 11 is arranged at the opening of the ventilation cabinet body 1. The glass plate 2 is made of glass, and the glass plate 2 is slidably arranged on the fume hood main body 1 and is used for sealing the fume hood main body 1. The setting plate 21 is a rectangular plate-shaped structure, and the setting plate 21 is installed on the inner wall of the fume chamber main body 1 for placing experimental instruments. The tap 3 is installed on the inner wall of the fume hood body 1 for spraying water flow to the settling plate 21. The drain tank 31 has been seted up on the inner wall of fume chamber main part 1, and collection box 4 is the cuboid structure that the upper end opening set up, and collection box 4 installs in fume chamber main part 1 for collect the interior exhaust rivers of drain tank 31.

The two opposite inner walls of the fume hood main body 1 are provided with sliding grooves 41, and the cleaning assembly 5 is arranged on the fume hood main body 1 and used for cleaning the placement plate 21. The cleaning assembly 5 comprises a slide 51, a fixed bar 52, a scraper 53 and a driving device 6. The slider 51 has a rectangular block-shaped structure, and the slider 51 is slidably mounted in the slide groove 41. The fixing rod 52 has a rectangular rod-like structure, and the fixing rod 52 and the side wall of the slider 51 are fixed to each other. The bottom surface of the fixed rod 52 is provided with a sliding groove 7, the scraping plate 53 is of a rectangular plate-shaped structure, and the scraping plate 53 is in sliding connection with the sliding groove 7.

When the worker needs to clean the setting plate 21, the worker needs to start the driving device 6, so that the sliding block 51 moves along the extending direction of the sliding groove 41, and the fixing rod 52 and the scraping plate 53 connected with the fixing rod 52 move along the extending direction of the sliding groove 41, so that the scraping plate 53 cleans the setting plate 21, and the difficulty of cleaning the setting plate 21 by the worker is reduced.

The fixing rod 71 has a round rod-like structure, the fixing rod 71 is fixed on the inner top wall of the sliding groove 7, and the fixing rod 71 is slidably connected with the upper surface of the scraper 53. One end of the fixed spring 8 is fixed on the upper surface of the scraper 53, and the other end of the fixed spring 8 is fixed with the inner top wall of the sliding groove 7. When the squeegee 53 slides along the fixing lever 52, the squeegee 53 always abuts against the settling plate 21 under the action of the fixing spring 8, thereby improving the cleaning effect of the squeegee 53. Meanwhile, the fixing bar 71 improves the stability of the scraper 53, and reduces the probability of shaking of the scraper 53.

The driving device 6 is mounted on the fume hood main body 1, and the driving device 6 includes a driving motor 61 and a threaded rod 62. The driving motor 61 is fixed on the side wall of the fume hood main body 1, and an output shaft of the driving motor 61 extends into the chute 41 and is rotatably connected. The threaded rod 62 is fixed to the end of the output shaft of the drive motor 61, and the threaded rod 62 penetrates the slider 51 and is screwed.

When the operator needs to start the driving device 6, the operator needs to start the driving motor 61, and then rotate the output shaft of the driving motor 61, and further rotate the threaded rod 62 connected to the output shaft of the driving motor 61, so that the slider 51 moves along the extending direction of the chute 41.

The electromagnet 81 is fixed on the inner ceiling wall of the sliding groove 7, the control switch 82 is mounted on the side wall of the fume hood main body 1, and the control switch 82 is electrically connected with the electromagnet 81. The iron rod 83 has a round rod-like structure, and the iron rod 83 is fixed to the upper surface of the scraper 53.

After the setting plate 21 is cleaned by the scraper 53 under the action of the driving motor 61, the worker needs to reset the scraper 53 and clean the setting plate 21 for the second time. At this time, the worker needs to press the control switch 82 to energize the electromagnet 81, and further attract the iron rod 83 and the electromagnet 81 to move the scraper 53 upward under the action of the iron rod 83, and further separate the scraper 53 from the placement plate 21, thereby reducing the probability that the water flow returns to the placement plate 21 under the action of the scraper 53.

In order to reduce the difficulty of water flowing into the collection box 4 and further improve the stability of the device, an inclined surface is formed on the edge of the collection box 4, which is close to the intersection of the inner wall of the drainage groove 31 and the upper surface of the collection box.

In order to improve the cleaning effect of the scraper 53, a silica gel plate 9 is fixed to the bottom surface of the scraper 53.

The novel fume chamber of this embodiment's theory of use does:

when a worker needs to clean the setting plate 21, the worker needs to turn on the faucet 3 so that water flows through the faucet 3 setting plate 21. Subsequently, the cleaning assembly 5 is required to be opened by a worker, so that the cleaning assembly 5 cleans the water flow on the setting plate 21, the probability that the water flow is accumulated on the upper surface of the setting plate 21 is reduced, and the use experience of the worker is improved.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. Novel fume chamber, including fume chamber main part (1) and cabinet door (11) of setting on fume chamber main part (1), characterized by: the novel multifunctional ventilating cabinet is characterized in that a glass plate (2) used for sealing the ventilating cabinet body (1) is arranged on the ventilating cabinet body (1) in a sliding mode, a placement plate (21) used for placing experimental instruments is arranged on the inner wall of the ventilating cabinet body (1), a faucet (3) used for spraying water flow to the placement plate (21) is arranged on the inner wall of the ventilating cabinet body (1), a drainage groove (31) is formed in the inner wall of the ventilating cabinet body (1), a collecting box (4) used for collecting water flow discharged in the drainage groove (31) is arranged in the ventilating cabinet body (1), and a cleaning assembly (5) used for cleaning the placement plate (21) is arranged on the ventilating cabinet body (1).

2. A novel fume hood according to claim 1, wherein: the inner wall of the fume hood main body (1) is provided with a sliding groove (41), and the cleaning assembly (5) comprises a sliding block (51) arranged in the sliding groove (41), a fixing rod (52) mutually fixed with the side wall of the sliding block (51), a scraping plate (53) arranged on the fixing rod (52) and a driving device (6) arranged on the fume hood main body (1).

3. A novel fume hood according to claim 2, wherein: the bottom surface of dead lever (52) has seted up sliding tray (7), scraper blade (53) and sliding tray (7) sliding connection, the interior roof of sliding tray (7) is fixed with dead lever (71), dead lever (71) and the upper surface sliding connection of scraper blade (53).

4. A novel fume hood according to claim 3, wherein: the upper surface of the scraping plate (53) is fixedly provided with a fixing spring (8), and the other end of the fixing spring (8) is mutually fixed with the inner top wall of the sliding groove (7).

5. The novel fume hood according to claim 4, wherein: the driving device (6) comprises a driving motor (61) fixed on the side wall of the ventilation cabinet main body (1) and a threaded rod (62) fixed with the end part of an output shaft of the driving motor (61), the output shaft of the driving motor (61) extends into the sliding groove (41) and is connected with the sliding groove in a rotating mode, and the threaded rod (62) penetrates through the sliding block (51) and is connected with the sliding block in a threaded mode.

6. The novel fume hood of claim 5, wherein: an electromagnet (81) is fixed on the inner top wall of the sliding groove (7), a control switch (82) is arranged on the side wall of the ventilation cabinet main body (1), the control switch (82) is electrically connected with the electromagnet (81), and an iron rod (83) is fixed on the upper surface of the scraping plate (53).

7. A novel fume hood according to claim 1, wherein: an inclined surface is formed on the edge, which is close to the inner wall of the drainage groove (31), of the collection box (4) and is intersected with the upper surface of the collection box.

8. A novel fume hood according to claim 2, wherein: the bottom surface of scraper blade (53) is fixed with silica gel board (9).