CN213793392U - Movable type fume hood for laboratory - Google Patents

Abstract

The utility model discloses a portable fume chamber is used in laboratory, including the fume chamber, the below of fume chamber is equipped with the storing room, the top of storing room is equipped with the supply-air chamber, the top that lies in the supply-air chamber in the fume chamber is equipped with the detachable work board, the top of fume chamber is equipped with the exhaust chamber, the bottom of exhaust chamber is equipped with big air-collecting cover, the upper end connection of big air-collecting cover is equipped with the exhaust pipe, the top of fume chamber is worn out to the exhaust pipe, the installation is equipped with the second motor in the exhaust pipe, the output connection of second motor is equipped with the exhaust fan. Compared with the prior art, the method has the advantages that: the utility model discloses a second motor drives the exhaust fan and rotates, makes the waste gas or the harmful gas that the experiment produced discharge from the exhaust pipe, drives the supply-air fan through first motor in addition and rotates, and establishes the work board into detachable construction, conveniently disinfects the washing to the work board, and the practicality is strong, has ensured staff's personal safety widely.

Description

Movable type fume hood for laboratory

Technical Field

The utility model relates to an experimental facilities technical field specifically indicates a laboratory is with portable fume chamber.

Background

The fume chamber plays an increasingly important role in laboratories as important equipment for exhausting gas in laboratories, and as is well known, laboratories can produce a large amount of toxic and harmful gas when performing various experiments, so that a large amount of harm can be produced to people, and environmental pollution can be caused when the fume chamber is exhausted into the air. Most of the existing ventilation devices are fixed type ventilation cabinets, which not only occupy large space, but also can not move freely. Some small operations are required to be performed in a test chamber due to the requirements of some test experiments, and the test chamber is provided with large instruments, so that the fixed fume hood with large volume is not suitable for being installed. Therefore, it is urgently needed to design a mobile fume hood with good ventilation effect for laboratories, so as to meet the mobile use requirement under the operation condition of limited space.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical difficulty, provide a portable fume chamber is used in laboratory that ventilation effect is good, the practicality is strong.

In order to solve the technical problem, the utility model provides a technical scheme does: a movable fume hood for a laboratory comprises a fume hood, wherein a storage chamber is arranged below the fume hood, an air supply chamber is arranged above the storage chamber, a first motor is arranged at the bottom end of the air supply chamber, an air supply fan is connected and arranged at the output end of the first motor, a detachable working plate is arranged above the air supply chamber in the fume hood, an exhaust chamber is arranged at the top end of the fume hood, a large air collecting cover is arranged at the bottom end of the exhaust chamber, an exhaust pipe is connected and arranged at the upper end of the large air collecting cover and penetrates out of the top end of the fume hood, a second motor is arranged in the exhaust pipe, an exhaust fan is connected and arranged at the output end of the second motor, a waste gas filtering device is arranged at the tail part of the exhaust pipe, side air chambers communicated with the air supply chamber and the exhaust pipe are arranged on the side wall of the fume hood, and a plurality of through holes are formed in positions, corresponding to the side air chambers, on the inner wall of the fume hood, and a wind direction plate is arranged on the inner wall of the ventilation cabinet corresponding to the through hole.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses a second motor drives the exhaust fan and rotates, makes the waste gas or the harmful gas that the experiment produced discharge from the exhaust pipe, drives the supply-air fan through first motor in addition and rotates, and the supply-air fan rotates the wind that produces and discharges in the through-hole through the side wind chamber, through-hole and wind vane cooperation for contaminated gas gets into big air-collecting cover, and gets into the exhaust pipe from big air-collecting cover, and ventilation effect is good. And establish the work board into detachable construction, conveniently disinfect the washing to the work board, the practicality is strong, has ensured staff's personal safety widely. The indoor article commonly used of experiment of can storing of storing, take when making things convenient for the experiment.

Furthermore, the lower end of the fume hood is provided with a directional roller with an automatic brake structure. Through the directional gyro wheel of automatic brake structure, the convenient fume chamber that removes at any time and fix satisfies the portable use needs to the fume chamber under the limited condition in laboratory space.

Further, the both ends symmetry of working plate is equipped with the recess, the inner wall both ends of fume chamber match the recess and are equipped with the fixture block. Through the cooperation of fixture block recess, install the ventilating cabinet with the working plate on, the equipment mode is simple, high-efficient practical.

Furthermore, a stop block is hinged on the clamping block. Through the dog, prevent that the working plate from rocking from beginning to end when using.

Furthermore, the front end of the fume hood is provided with a transparent and push-and-pull upper and lower sliding door, and the lower end of the upper and lower sliding door covers the bottom end of the working plate. Through upper and lower push-and-pull door, with the indoor harmful gas control of ventilation in the fume chamber, prevent that the polluted gas from being dissipated to the outside.

Furthermore, the exhaust pipe is communicated with a telescopic hose capable of being adjusted universally, and the bottom end of the telescopic hose is connected with a small air collecting cover. Through the telescopic hose that can universally adjust, can aim at the gaseous source of polluted on the workstation with little wind-collecting cover, then make gaseous pollution follow the exhaust pipe and discharge, accelerate gaseous pollution's exhaust velocity.

Further, the waste gas filtering device is an activated carbon adsorption filter box. Through the activated carbon adsorption rose box, effectual air-purifying makes pollution control discharge again after purifying totally, and the entering air can not cause the pollution to the air.

Drawings

Fig. 1 is the utility model relates to a structure schematic diagram of portable fume chamber is used in laboratory.

Fig. 2 is an enlarged schematic view at a in fig. 1.

As shown in the figure: 1. fume chamber, 2, storing chamber, 3, blast chamber, 4, first motor, 5, blower fan, 6, working plate, 7, exhaust chamber, 8, second motor, 9, exhaust fan, 10, big wind-collecting cover, 11, exhaust pipe, 12, side wind-collecting chamber, 13, directional gyro wheel, 14, dog, 15, expansion hose, 16, little wind-collecting cover, 17, exhaust gas filter equipment, 18, push-and-pull door from top to bottom, 1.1, fixture block, 1.2, through-hole, 1.3, wind-direction board, 6.1, recess.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The present invention will be described in further detail with reference to the accompanying fig. 1-2.

A movable fume hood for a laboratory comprises a fume hood 1, a storage chamber 2 is arranged below the fume hood 1, an air supply chamber 3 is arranged above the storage chamber 2, a first motor 4 is arranged at the bottom end of the air supply chamber 3, an air supply fan 5 is connected to the output end of the first motor 4, a detachable working plate 6 is arranged above the air supply chamber 3 in the fume hood 1, an exhaust chamber 7 is arranged at the top end of the fume hood 1, a large air collecting cover 10 is arranged at the bottom end of the exhaust chamber 7, an exhaust pipe 11 is connected to the upper end of the large air collecting cover 10, the exhaust pipe 11 penetrates out of the top end of the fume hood 1, a second motor 8 is arranged in the exhaust pipe 11, an exhaust fan 9 is connected to the output end of the second motor 8, an exhaust gas filtering device 12 is arranged at the tail of the exhaust pipe 11, a side air chamber 12 communicated with the air supply chamber 3 and the exhaust pipe 11 is arranged on the side wall of the fume hood 1, the position of the inner wall of the fume hood 1 corresponding to the side air chamber 12 is provided with a plurality of through holes 1.2, the position of the inner wall of the fume hood 1 corresponding to the through holes 1.2 is provided with a wind vane 1.3, and the wind vane 1.3 points to the large air collecting cover 10 in the upward oblique direction, so that the waste gas can be accelerated to enter the large air collecting cover 10.

The lower extreme of fume chamber 1 is equipped with directional gyro wheel 13 that has the automatic brake structure, the both ends symmetry of working plate 6 is equipped with recess 6.1, the inner wall both ends of fume chamber 1 match recess 6.1 and are equipped with fixture block 1.1, the articulated dog 14 that is equipped with on fixture block 1.1, the front end of fume chamber 1 is equipped with transparent, push-and-pull upper and lower push-and-pull door 18, the lower extreme of upper and lower push-and-pull door 18 covers the bottom of working plate 6, the intercommunication is equipped with the flexible pipe 15 that can universal regulation on the exhaust pipe 11, the bottom of flexible pipe 15 is connected and is equipped with little wind-collecting cover 16, exhaust gas filter 12 is the active carbon adsorption filter box.

The utility model discloses when concrete implementation, before the experiment, through recess 6.1 and fixture block 1.1's cooperation, assemble fume chamber 1 with working plate 6 on to rotatory dog 14 fixes working plate 6's position. When the staff is in the experiment, drive exhaust fan 9 and rotate through starting second motor 8 to be close to the experiment source with little wind-collecting cover 16, can drive supply fan 5 through starting first motor 4 and rotate, the wind that supply fan 5 rotated the production is discharged in through-hole 1.2 through side wind chamber 12, through-hole 1.2 and wind vane 1.3 cooperation for waste gas gets into big wind-collecting cover 10. The waste gas majority that the experiment produced can be through little exhaust hood 16, bellows 15 gets into exhaust pipe 11, some residual waste gas can get into exhaust pipe 11 through big exhaust hood 10, finally all can filter the back through exhaust gas filter equipment 17 and discharge and get into the outside air, after the experiment, dismantle workstation 6 and carry out cleaning and disinfection, then 18 to the bottommost of pulling push-and-pull door, at this moment, air-supply chamber 3 and exhaust chamber 7 directly communicate, air-supply fan 3 accelerates the flow of gas in the fume chamber 1, residual waste gas gets into exhaust pipe 11 with higher speed, there is residual waste gas untreated clean after preventing the experiment. The utility model discloses thoroughly clear away waste gas that can be better, and efficient, effectively prevent to cause the injury to the staff, practicality is strong.

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 (7)

1. The utility model provides a portable fume chamber is used in laboratory, includes fume chamber (1), its characterized in that: the air conditioner is characterized in that a storage chamber (2) is arranged below the ventilation cabinet (1), an air supply chamber (3) is arranged above the storage chamber (2), a first motor (4) is arranged at the bottom end of the air supply chamber (3), an air supply fan (5) is connected and arranged at the output end of the first motor (4), a detachable working plate (6) is arranged above the air supply chamber (3) in the ventilation cabinet (1), an exhaust chamber (7) is arranged at the top end of the ventilation cabinet (1), a large air collection cover (10) is arranged at the bottom end of the exhaust chamber (7), an exhaust pipe (11) is connected and arranged at the upper end of the large air collection cover (10), the exhaust pipe (11) penetrates out of the top end of the ventilation cabinet (1), a second motor (8) is arranged in the exhaust pipe (11), a fan (9) is connected and arranged at the output end of the second motor (8), and a waste gas filtering device (17) is arranged at the tail part of the exhaust pipe (11), the side air chamber (12) communicated with the air supply chamber (3) and the exhaust pipe (11) is arranged on the side wall of the ventilation cabinet (1), a plurality of through holes (1.2) are formed in the position, corresponding to the side air chamber (12), of the inner wall of the ventilation cabinet (1), and a wind direction plate (1.3) is arranged in the position, corresponding to the through holes (1.2), of the inner wall of the ventilation cabinet (1).

2. A laboratory mobile fumehood according to claim 1, wherein: the lower end of the fume hood (1) is provided with a directional roller (13) with an automatic brake structure.

3. A laboratory mobile fumehood according to claim 1, wherein: the both ends symmetry of working plate (6) is equipped with recess (6.1), the inner wall both ends of fume chamber (1) match recess (6.1) and are equipped with fixture block (1.1).

4. A laboratory mobile fumehood according to claim 3, wherein: the fixture block (1.1) is hinged with a fixture block (14).

5. A laboratory mobile fumehood according to claim 1, wherein: the front end of the fume hood (1) is provided with a transparent and push-and-pull upper and lower sliding door (18), and the lower end of the upper and lower sliding door (18) covers the bottom end of the working plate (6).

6. A laboratory mobile fumehood according to claim 1, wherein: the exhaust pipe (11) is communicated with a telescopic hose (15) capable of being adjusted universally, and the bottom end of the telescopic hose (15) is connected with a small air collecting cover (16).

7. A laboratory mobile fumehood according to claim 1, wherein: the waste gas filtering device (17) is an activated carbon adsorption filter box.

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