CN215032161U

CN215032161U - Laboratory is with gas defense fume chamber

Info

Publication number: CN215032161U
Application number: CN202121133449.7U
Authority: CN
Inventors: 楼伟玉
Original assignee: Hangzhou Jufei Experimental Equipment Engineering Co ltd
Current assignee: Hangzhou Jufei Experimental Equipment Engineering Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-07
Anticipated expiration: 2031-05-25

Abstract

The utility model belongs to the technical field of the fume chamber, especially, be a laboratory is with gas defense fume chamber, including ventilation case and motor, the ventilation case be provided with the groove of breathing in all around, and the top of ventilation case is provided with the air discharge duct, the below of air discharge duct is provided with first pivot, and the right side of first pivot is connected with the flabellum, the motor is connected in the below of first pivot, and the bottom of motor is provided with the filter, the left side of filter is connected with the fixture block, and the outside of fixture block is connected with first spring to the place ahead of filter is provided with the baffle, the centre of baffle is fixed with the second pivot, and the right side of second pivot is connected with the upset storehouse, the back of filter is connected with the stopper, and the inside of stopper is provided with the second spring to the end connection of filter has the slider. This laboratory is with gas defense fume chamber, simple structure, convenient removal and installation can effectual reduction operation degree of difficulty and convenient change the filter core, promotion ventilation efficiency by a wide margin.

Description

Laboratory is with gas defense fume chamber

Technical Field

The utility model relates to the technical field of cables, specifically be a laboratory is with gas defense fume chamber.

Background

The ventilation hood has the exhaust function as the main function, and in a chemical laboratory, various harmful gases, odor, moisture and flammable, explosive and corrosive substances generated during experimental operation can prevent the pollutants in the experiment from diffusing to the laboratory in order to protect the safety of users, so that the ventilation hood needs to be used near pollution sources, but the current ventilation hood has the following defects:

1. the structure of laboratory gas protection fume chamber is complicated, is not convenient for remove and install, leads to the operation degree of difficulty increase:

2. the filter core in the laboratory gas-defense fume chamber is inconvenient to be changed, resulting in poor ventilation efficiency.

Aiming at the problems, innovative design is urgently needed on the basis of the original laboratory gas-defense fume hood.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory is with gas defense fume chamber to propose current laboratory in solving above-mentioned background art and use gas defense fume chamber, the structure is complicated, is not convenient for remove and the installation, leads to the operation degree of difficulty increase and the inconvenient change of filter core, leads to the poor problem of ventilation efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a laboratory is with gas defense fume chamber, includes ventilation case and motor, ventilation case is provided with the groove of breathing in all around, and ventilation case's top is provided with the air discharge duct, the below of air discharge duct is provided with first pivot, and the right side of first pivot is connected with the flabellum, the motor is connected in the below of first pivot, and the bottom of motor is provided with the filter, the left side of filter is connected with the fixture block, and the outside of fixture block is connected with first spring to the place ahead of filter is provided with the baffle, the centre of baffle is fixed with the second pivot, and the right side of second pivot is connected with the upset storehouse, the back of filter is connected with the stopper, and the inside of stopper is provided with the second spring to the end connection of filter has the slider.

Preferably, the ventilation box is coaxially connected with the fan blades, and the bottom of the ventilation box is provided with air suction grooves at equal intervals.

Preferably, the first rotating shaft and the fan blades are integrally welded, and the first rotating shaft and the fan blades form a rotating installation structure through a motor.

Preferably, the filter plate and the clamping block are arranged in parallel, and the clamping block and the ventilation box form a sliding installation structure through a first spring.

Preferably, the baffle plate is connected with the ventilation box through bolts, and the baffle plate and the ventilation box form an overturning mounting structure through a second rotating shaft.

Preferably, be the block between slider and the filter and be connected, and constitute the slidable mounting structure through the second spring between slider and the filter.

Compared with the prior art, the beneficial effects of the utility model are that: the gas defense ventilation cabinet for the laboratory is simple in structure, convenient to move and install, capable of effectively reducing operation difficulty and convenient to replace a filter element, and greatly improving ventilation efficiency;

1. when the laboratory gas defense ventilation cabinet needs to be used, firstly, the motor is turned on, the acting force generated when the motor works drives the rotating shaft to rotate, so that the fan blades can be driven to rotate by the acting force generated when the rotating shaft rotates, air in the ventilation cabinet can be discharged from the exhaust groove, the air passes through the filter screen before being discharged, the filter screen filters magazines in the air and then discharges the magazines, and meanwhile, external air enters the ventilation cabinet through the air suction groove;

2. when needs are changed the filter screen, at first mention the fixture block, when the fixture block removed, the fixture block will not exert the confining force to the filter screen, the effort is exerted to the filter screen to the second spring simultaneously, exert pressure to the baffle when making the filter screen slide, make the baffle overturn in the ventilation box, thereby make the filter screen take out, then put into the slider with new filter screen and inwards promote, when the confining force that the filter screen was exerted to the fixture block disappeared, the fixture block coincided with the draw-in groove on the filter screen, thereby can fix the filter screen.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a ventilation box; 2. a suction groove; 3. an exhaust groove; 4. a first rotating shaft; 5. a fan blade; 6. a motor; 7. a filter plate; 8. a clamping block; 9. a first spring; 10. a baffle plate; 11. a second rotating shaft; 12. turning over the bin; 13. a limiting block; 14. a second spring; 15. a slide block.

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. 1-5, the present invention provides a technical solution: an anti-poison ventilation cabinet for a laboratory comprises a ventilation box 1, an air suction groove 2, an air discharge groove 3, a first rotating shaft 4, fan blades 5, a motor 6, a filter plate 7, a clamping block 8, a first spring 9, a baffle plate 10, a second rotating shaft 11, a turnover bin 12, a limiting block 13, a second spring 14 and a sliding block 15, wherein the air suction groove 2 is arranged around the ventilation box 1, the air discharge groove 3 is arranged above the ventilation box 1, the first rotating shaft 4 is arranged below the air discharge groove 3, the fan blades 5 are connected to the right side of the first rotating shaft 4, the motor 6 is connected to the lower side of the first rotating shaft 4, the filter plate 7 is arranged at the bottom of the motor 6, the clamping block 8 is connected to the left side of the filter plate 7, the first spring 9 is connected to the outer side of the clamping block 8, the baffle plate 10 is arranged in front of the filter plate 7, the second rotating shaft 11 is fixed in the middle of the baffle plate 10, the turnover bin 12 is connected to the right side of the second rotating shaft 11, the back of the filter plate 7 is connected with a limiting block 13, a second spring 14 is arranged inside the limiting block 13, and the end part of the filter plate 7 is connected with a sliding block 15;

furthermore, the ventilation box 1 is coaxially connected with the fan blades 5, and the air suction grooves 2 are distributed at the bottom of the ventilation box 1 at equal intervals, so that the fan blades 5 cannot form a barrier with the ventilation box 1 when rotating, and the efficiency of air ventilation can be improved;

further, the first rotating shaft 4 and the fan blades 5 are welded and integrated, and the first rotating shaft 4 and the fan blades 5 form a rotating installation structure through the motor 6, so that when the motor 6 works, the first rotating shaft 4 is driven by acting force to drive the fan blades 5 to rotate;

furthermore, the filter plate 7 and the fixture block 8 are arranged in parallel, the fixture block 8 and the ventilation box 1 form a sliding installation structure through the first spring 9, and when the first spring 9 exerts acting force on the fixture block 8, the fixture block 8 can slide in the ventilation box 1;

further, the baffle 10 is connected with the ventilation box 1 through bolts, the baffle 10 and the ventilation box 1 form an overturning mounting structure through a second rotating shaft 11, and when the baffle 10 moves under the influence of acting force, the baffle can overturn on the ventilation box 1 through the second rotating shaft 11;

further, be connected for the block between slider 15 and the filter 7, and constitute the slidable mounting structure through second spring 14 between slider 15 and the filter 7, when second spring 14 applys the effort to filter 7, filter 7 can slide in slider 15.

The working principle is as follows: when the laboratory gas defense ventilation cabinet is used, firstly, the motor 6 is turned on, the acting force generated when the motor 6 works drives the rotating shaft to rotate, so that the fan blades 5 can be driven by the acting force generated when the rotating shaft rotates to rotate, air in the ventilation box 1 can be discharged from the air discharge groove 3, the air passes through the filter screen before being discharged, the filter screen filters magazines in the air and then discharges the magazines, and meanwhile, external air enters the ventilation box 1 through the air suction groove 2;

when needs are changed the filter screen, at first mention fixture block 8, when fixture block 8 removed, fixture block 8 will not exert the confining force to the filter screen, the effort is exerted to the filter screen to second spring 14 simultaneously, make the filter screen exert pressure to baffle 10 when carrying out the gliding, make baffle 10 overturn in ventilation box 1, thereby make the filter screen can take out, then put into slider 15 with new filter screen and inwards promote, when the confining force that the filter screen was applyed to fixture block 8 disappeared, fixture block 8 and the draw-in groove coincidence on the filter screen, thereby can fix the filter screen.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a laboratory is with gas defense fume chamber, includes fume chamber (1) and motor (6), its characterized in that: the ventilating box is characterized in that air suction grooves (2) are formed in the periphery of the ventilating box (1), an air exhaust groove (3) is formed above the ventilating box (1), a first rotating shaft (4) is arranged below the air exhaust groove (3), fan blades (5) are connected to the right side of the first rotating shaft (4), a motor (6) is connected to the lower portion of the first rotating shaft (4), a filter plate (7) is arranged at the bottom of the motor (6), a clamping block (8) is connected to the left side of the filter plate (7), a first spring (9) is connected to the outer side of the clamping block (8), a baffle (10) is arranged in front of the filter plate (7), a second rotating shaft (11) is fixed in the middle of the baffle (10), a turnover bin (12) is connected to the right side of the second rotating shaft (11), a limiting block (13) is connected to the back of the filter plate (7), and a second spring (14) is arranged inside the limiting block (13), and the end part of the filter plate (7) is connected with a slide block (15).

2. The laboratory gas fume hood according to claim 1, wherein: the ventilating box (1) is coaxially connected with the fan blades (5), and the air suction grooves (2) are distributed at equal intervals at the bottom of the ventilating box (1).

3. The laboratory gas fume hood according to claim 1, wherein: the first rotating shaft (4) and the fan blades (5) are integrally welded, and the first rotating shaft (4) and the fan blades (5) form a rotating installation structure through the motor (6).

4. The laboratory gas fume hood according to claim 1, wherein: the filter plate (7) and the clamping block (8) are arranged in parallel, and the clamping block (8) and the ventilation box (1) form a sliding installation structure through a first spring (9).

5. The laboratory gas fume hood according to claim 1, wherein: adopt bolted connection between baffle (10) and ventilation case (1), and constitute upset mounting structure through second pivot (11) between baffle (10) and ventilation case (1).

6. The laboratory gas fume hood according to claim 1, wherein: the sliding block (15) is connected with the filter plate (7) in a clamping mode, and the sliding block (15) and the filter plate (7) form a sliding installation structure through a second spring (14).