CN212329199U

CN212329199U - Safe and fireproof laboratory all-steel ventilation cabinet

Info

Publication number: CN212329199U
Application number: CN202020508023.4U
Authority: CN
Inventors: 杨卫良
Original assignee: Zhejiang Puda Experimental Equipment Co ltd
Current assignee: Zhejiang Puda Experimental Equipment Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-01-12
Anticipated expiration: 2030-04-09

Abstract

The utility model relates to the technical field of laboratory equipment, and discloses a safe and fireproof laboratory all-steel fume hood, which comprises a box body and a workbench, wherein the left side surface of the box body is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a rotating shaft, the top wall of the box body is rotatably connected with a rotating rod through a bearing, the left side surface of the box body is alternately provided with a movable rod, the upper surface of the box body is provided with a dust suction cavity, the left side surface of the box body is alternately provided with a support rod, the support rod is in transmission connection with the rotating shaft through a transmission chain, the lower surface of a slide rail at the left side is fixedly connected with a protective air permeable plate, the right end of the support rod is fixedly connected with an eccentric wheel, the right side surface of the eccentric wheel is provided with a sleeve through a pin shaft, the device has the characteristics of good fire prevention, ventilation and dust prevention through the arrangement of the series of structures.

Description

Safe and fireproof laboratory all-steel ventilation cabinet

Technical Field

The utility model relates to a laboratory paraphernalia technical field specifically is a safe fire prevention's all steel fume chamber in laboratory.

Background

In chemical experiments, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated during experimental operation, and in order to protect the safety of users, pollutants in a laboratory are prevented from diffusing in the laboratory, and a ventilation cabinet is used near a pollution source. A lot of chemical experiment in-process can take place the conflagration, and the way among the prior art is opened the fume chamber window and is used the fire extinguisher to put out a fire the manual work after the conflagration takes place, but this kind of method has certain time delay nature, probably because put out a fire untimely threat and huge laboratory property loss that cause personal safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe fire prevention's laboratory all-steel fume chamber to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safe fire prevention's laboratory all-steel fume chamber, includes box and workstation, the left surface fixedly connected with driving motor of box, driving motor's output fixedly connected with pivot, the roof of box rotates through the bearing and is connected with the bull stick, the left surface interlude of box is provided with the movable rod, the pivot with be connected with the transfer link through the drive wheel transmission between the movable rod, the upper surface of box is provided with the suction chamber, the left surface interlude of box is provided with branch, branch passes through the transfer link with the pivot transmission is connected, the right-hand member fixedly connected with eccentric wheel of branch, the right flank of eccentric wheel is provided with the sleeve through the round pin axle, telescopic upper surface articulates there is the baffle, the upper surface fixedly connected with a plurality of thimbles of workstation.

Preferably, the outer surface of the rotating rod is fixedly connected with a driven gear, the right end of the movable rod is fixedly connected with a driving gear, and the driving gear is meshed with the driven gear.

Preferably, the outer surface of the rotating shaft is fixedly connected with a blowing fan blade, and the output area of the blowing fan blade is larger than the height of the workbench.

Preferably, the bottom end of the rotating rod is fixedly connected with an air suction fan blade, the air suction fan blade is located inside the dust suction cavity, two sliding rails are symmetrically arranged on two side walls of the box body, an absorption plate is connected between the two sliding rails in a sliding mode, and a protective ventilation plate is fixedly connected to the lower surface of the left sliding rail.

Preferably, the right side surface of the box body is provided with a vent, the outer surface of the partition board is provided with a vent hole, and the areas of the vent hole and the vent hole are equal.

Preferably, the right side wall fixedly connected with fixed plate of box, the lower surface of fixed plate articulates there is the telescopic link, the bottom of telescopic link with the baffle is articulated.

Preferably, the right side face of the protective air permeable plate is fixedly connected with a steel wire rope, the right end of the steel wire rope is fixedly connected with an iron ball, the right side face of the iron ball is fixedly connected with a nylon rope, the nylon rope is fixedly installed on the right side face of the box body, a fire extinguisher is fixedly installed on the right side face of the protective air permeable plate, the output end of the fire extinguisher is communicated with a nozzle, the fire extinguisher is located below the steel wire rope, a water bag is fixedly installed on the lower surface of the nylon rope, and water is filled in the water bag.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the safe and fireproof laboratory all-steel ventilation cabinet drives the rotating shaft to rotate through the driving motor, when the rotating shaft rotates, the blowing fan blade is driven to rotate, dust on the outer surface of the workbench is blown off, the dust is prevented from being adhered to the outer surface of the workbench, the movable rod and the support rod are sequentially driven to rotate through the two conveying chains, the movable rod drives the rotating rod to rotate through the matching use of the driving gear and the driven gear, the dust on the outer surface of the workbench is further sucked out through the suction fan blade, the cleanness and the sanitation of the workbench are kept, simultaneously, when the support rod rotates, the partition plate is driven to do back-and-forth intermittent up-and-down motion through the eccentric wheel, the ventilation hole and the ventilation opening are in an intermittent matching state, when the ventilation hole and the ventilation opening are matched, air exchange between the inside and the outside of the box can be carried out, when the ventilation hole and the, not only prevents dust, but also keeps ventilation, and keeps the workbench clean and sanitary.

(2) This safe fire prevention's all-steel fume chamber in laboratory, through set gradually the nylon rope in the box inside, iron ball and wire rope, after the workstation surface catches fire, the flame burns the nylon rope, make the nylon rope reach the ignition point, and then blown, the iron ball passes through gravity this moment, strike the fire extinguisher rapidly, set up the end of opening of fire extinguisher in the outside, open the fire extinguisher rapidly through the iron ball, can put out a fire, simultaneously because the inside moisture action of water bag, the water bag falls to the thimble top rapidly, until being pricked broken, rivers go out and can further play the effect of putting out a fire and preventing fires, the dust and the waste gas that the in-process produced are through the effect by the suction of absorption plate and suction fan leaf, the result of use is better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is a schematic structural diagram of the partition board of the present invention.

In the figure: 1. a box body; 2. a drive motor; 3. a rotating shaft; 4. a blower blade; 5. a rotating rod; 6. a driven gear; 7. a movable rod; 8. a driving gear; 9. a conveyor chain; 10. an intake fan blade; 11. a dust suction chamber; 12. a slide rail; 13. an absorbent sheet; 14. A strut; 15. a protective breathable plate; 16. an eccentric wheel; 17. a sleeve; 18. a partition plate; 19. a vent hole; 20. a vent; 21. a fixing plate; 22. a telescopic rod; 23. a work table; 24. a thimble; 25. a wire rope; 26. an iron ball; 27. a nylon cord; 28. a fire extinguisher; 29. a nozzle; 30. a water bag.

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. 1-3, a safe and fireproof laboratory all-steel fume hood comprises a box body 1 and a workbench 23, a driving motor 2 is fixedly connected to the left side of the box body 1, the model of the driving motor 2 is 86BYG250H, a rotating shaft 3 is fixedly connected to the output end of the driving motor 2, a rotating rod 5 is rotatably connected to the top wall of the box body 1 through a bearing, a movable rod 7 is arranged on the left side of the box body 1 in an inserting manner, a transmission chain 9 is connected between the rotating shaft 3 and the movable rod 7 through a transmission wheel in a transmission manner, a dust suction cavity 11 is arranged on the upper surface of the box body 1, a supporting rod 14 is arranged on the left side of the box body 1 in an inserting manner, the supporting rod 14 is connected with the rotating shaft 3 through the transmission chain 9, an eccentric wheel 16 is fixedly connected to the right end of the supporting rod 14, a sleeve 17 is arranged on the right side of the eccentric wheel.

Further, the outer fixed surface of bull stick 5 is connected with driven gear 6, and the right-hand member fixedly connected with driving gear 8 of movable rod 7, driving gear 8 and the meshing of driven gear 6 have transmitted power, have driven the bull stick 5 through driving motor 2 and have rotated.

Furthermore, the outer surface of the rotating shaft 3 is fixedly connected with a blowing fan blade 4, the output area of the blowing fan blade 4 is larger than the height of the workbench 23, and therefore the box body 1 is dustproof and ventilates the inside of the box body 1.

Further, the bottom fixedly connected with suction fan leaf 10 of bull stick 5, suction fan leaf 10 is located the inside of dust absorption chamber 11, and the both sides wall symmetry of box 1 is provided with slide rail 12, and sliding connection has absorption plate 13 between two slide rails 12, and left slide rail 12 lower fixed surface is connected with protection air-permeable plate 15, can absorb the waste gas that box 1 inside during operation produced, uses with the cooperation of blowing fan leaf 4, keeps the surface of workstation 23 cleaner.

Furthermore, the right side surface of the box body 1 is provided with a vent 20, the outer surface of the partition plate 18 is provided with a vent 19, and the vent 20 and the vent 19 have the same area, so that the dustproof and ventilating effects can be achieved.

Further, the right side wall fixedly connected with fixed plate 21 of box 1, the lower surface of fixed plate 21 articulates there is telescopic link 22, and the bottom of telescopic link 22 is articulated with baffle 18, and telescopic link 22 plays the effect spacing and support to baffle 18.

Further, the right side fixedly connected with wire rope 25 of protection gas permeable plate 15, wire rope 25's right-hand member fixedly connected with iron ball 26, the right flank fixedly connected with nylon rope 27 of iron ball 26, nylon rope 27 fixed mounting is in the right flank of box 1, the right flank fixed mounting of protection gas permeable plate 15 has fire extinguisher 28, fire extinguisher 28's output intercommunication has nozzle 29, fire extinguisher 28 is located wire rope 25's below, nylon rope 27's lower fixed surface installs water bag 30, the inside packing of water bag 30 has water, play the effect of fire prevention, in case workstation 23 catches fire the back, can extinguish the fire fast through fire extinguisher 28 and the cooperation of water bag 30.

The working principle is as follows: the safe and fireproof laboratory all-steel ventilation cabinet is characterized in that a driving motor 2 is started to drive a rotating shaft 3 to rotate before use, the rotating shaft 3 drives a blowing fan blade 4 to rotate when rotating, dust on the outer surface of a workbench 23 is blown off to prevent the dust from being adhered to the outer surface of the workbench 23, a movable rod 7 and a support rod 14 are sequentially driven to rotate through two conveying chains 9, the movable rod 7 drives a rotating rod 5 to rotate through the matching use of a driving gear 8 and a driven gear 6, and further the dust on the outer surface of the workbench 23 is sucked out through a suction fan blade 10, so that the cleanness and sanitation of the workbench 23 are kept, meanwhile, the support rod 14 drives a partition plate 18 to do back-and-forth intermittent up-and-down motion through an eccentric wheel 16 when rotating, so that a ventilation hole 19 and a ventilation opening 20 are in an intermittent fit state, when the ventilation hole 19 is matched with the ventilation opening 20, air exchange between the inside and the outside of a box body 1 can be, the use effect is good, not only dust prevention but also ventilation are kept, the cleanness and sanitation of the workbench 23 are kept, the nylon rope 27, the iron ball 26 and the steel wire rope 25 are sequentially arranged in the box body 1, after the outer surface of the workbench 23 catches fire, the flame burns the nylon rope 27, the nylon rope 27 reaches a burning point and is further burnt off, at the moment, the iron ball 26 quickly collides the fire extinguisher 28 through gravity, the opening end of the fire extinguisher 28 is arranged on the outer side, the fire extinguisher 28 is quickly opened through the iron ball 26 to extinguish the fire, meanwhile, due to the action of moisture gravity in the water bag 30, the water bag 30 quickly falls to the position above the thimble 24 until being punctured, water outflow can further play a role in extinguishing and preventing fire, dust and waste gas generated in the process are sucked out through the absorption plate 13 and the suction fan blade 10, and the use effect is better.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safe fire prevention's laboratory all-steel fume chamber, includes box (1) and workstation (23), its characterized in that: the dust collection box is characterized in that a driving motor (2) is fixedly connected to the left side face of the box body (1), a rotating shaft (3) is fixedly connected to the output end of the driving motor (2), a rotating rod (5) is rotatably connected to the top wall of the box body (1) through a bearing, a movable rod (7) is arranged on the left side face of the box body (1) in an inserting mode, a conveying chain (9) is connected between the rotating shaft (3) and the movable rod (7) through a driving wheel in a transmission mode, a dust collection cavity (11) is formed in the upper surface of the box body (1), a supporting rod (14) is arranged on the left side face of the box body (1) in an inserting mode, the supporting rod (14) is connected with the rotating shaft (3) through the conveying chain (9) in a transmission mode, an eccentric wheel (16) is fixedly connected to the right end of the supporting rod (14), a sleeve (, the upper surface of the workbench (23) is fixedly connected with a plurality of thimbles (24).

2. A safe and fire-proof laboratory all-steel fume hood according to claim 1, characterized in that: the outer fixed surface of bull stick (5) is connected with driven gear (6), the right-hand member fixedly connected with driving gear (8) of movable rod (7), driving gear (8) with driven gear (6) meshing.

3. A safe and fire-proof laboratory all-steel fume hood according to claim 1, characterized in that: the outer surface of the rotating shaft (3) is fixedly connected with a blowing fan blade (4), and the output area of the blowing fan blade (4) is larger than the height of the workbench (23).

4. A safe and fire-proof laboratory all-steel fume hood according to claim 1, characterized in that: the dust collection box is characterized in that the bottom end of the rotating rod (5) is fixedly connected with a suction fan blade (10), the suction fan blade (10) is located inside the dust collection cavity (11), two side walls of the box body (1) are symmetrically provided with sliding rails (12), an absorption plate (13) is connected between the two sliding rails (12) in a sliding mode, and the lower surface of the left sliding rail (12) is fixedly connected with a protective ventilation plate (15).

5. A safe and fire-proof laboratory all-steel fume hood according to claim 1, characterized in that: the right side face of the box body (1) is provided with a ventilation opening (20), the outer surface of the partition plate (18) is provided with a ventilation hole (19), and the areas of the ventilation opening (20) and the ventilation hole (19) are equal.

6. A safe and fire-proof laboratory all-steel fume hood according to claim 1, characterized in that: the right side wall fixedly connected with fixed plate (21) of box (1), the lower surface of fixed plate (21) articulates there is telescopic link (22), the bottom of telescopic link (22) with baffle (18) are articulated.

7. A safe and fire-proof laboratory all-steel fume hood according to claim 4, characterized in that: the steel wire rope (25) is fixedly connected to the right side face of the protective air permeable plate (15), an iron ball (26) is fixedly connected to the right end face of the steel wire rope (25), a nylon rope (27) is fixedly connected to the right side face of the iron ball (26), the nylon rope (27) is fixedly installed on the right side face of the box body (1), a fire extinguisher (28) is fixedly installed on the right side face of the protective air permeable plate (15), a nozzle (29) is communicated with the output end of the fire extinguisher (28), the fire extinguisher (28) is located below the steel wire rope (25), a water bag (30) is fixedly installed on the lower surface of the nylon rope (27), and water is filled in the water bag (30).