CN214289917U

CN214289917U - Special laboratory ventilation equipment of air exit angularly adjustable

Info

Publication number: CN214289917U
Application number: CN202120035664.7U
Authority: CN
Inventors: 任芳园; 崔智博
Original assignee: Shenyang Baimu Technology Co ltd
Current assignee: Shenyang Baimu Technology Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-09-28
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a special ventilation equipment in air exit angularly adjustable laboratory belongs to fume chamber technical field, the intelligent cabinet temperature adjusting device comprises a cabinet body, the inside of the cabinet body is equipped with the workstation, the inside of the cabinet body is equipped with ventilation mechanism and the exhaust mechanism who sucks chemical flue gas, ventilation mechanism is including the air-out window that vent, the screw installation on the cabinet body and align with the vent level that the symmetry was seted up on the wall of cabinet body left and right sides, there is the fan inside of vent through the leg joint, the inside equidistant of air-out window is equipped with the shutter plate, and the inside of air-out window still is equipped with the actuating mechanism who carries out angle modulation to the shutter plate. The utility model discloses a chain is connected with the meshing of a plurality of gears, makes a plurality of shutter plates just can realize angle pivoted regulation under the drive of chain and motor, and this kind carries out actuating mechanism of angle modulation to the shutter plate and simply just area occupied is little, and the people of being convenient for also reduced the cost of making of device in to its installation.

Description

Special laboratory ventilation equipment of air exit angularly adjustable

Technical Field

The utility model relates to a fume chamber technical field, specificly relate to a special ventilation equipment in laboratory of air exit angularly adjustable.

Background

Fume hoods are an integral part of laboratory ventilation design. In order for laboratory workers not to inhale or swallow some toxic, pathogenic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory. To prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the pollutants must be removed by fume hoods, ventilation hoods or local ventilation.

In the patent of CN 210754273U, a laboratory ventilation device with adjustable air outlet angle is disclosed, which is fixedly connected with a rotary table through a motor, both ends of a connecting shaft are respectively connected with a slide block and the rotary table in a rotating way, the slide block is arranged at the bottom end of a gear strip, the gear strip is meshed with a driving gear at one end of a sampan, the motor drives the slide block to reciprocate left and right on a slide rail 11 through the connecting shaft during working, and then drives the gear strip on the slide block to reciprocate left and right, so as to drive the driving gear to rotate, finally drive the sampan to rotate, thereby realizing the adjustment of wind direction, and meeting the requirement of relatively stable air pressure in the current experimental process, but because the structure for adjusting the rotation angle of the sampan is complex, the adjusting mechanism is inconvenient to install and has high manufacturing cost, and because the gear strip needs to move left and right under the driving of the connecting shaft, this will increase the footprint of the mechanism for driving adjustment of the sampan.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a special ventilation equipment in laboratory of air exit angularly adjustable to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a laboratory special ventilation device with an adjustable air outlet angle comprises a cabinet body, wherein a workbench is arranged inside the cabinet body, a ventilation mechanism and an exhaust mechanism for sucking chemical smoke are arranged inside the cabinet body, the ventilation mechanism comprises ventilation openings symmetrically arranged on the left side wall and the right side wall of the cabinet body, and an air outlet window which is installed on the cabinet body through screws and is horizontally aligned with the ventilation openings, the inside of the ventilation openings is connected with a fan through a bracket, the outer side wall of the cabinet body is connected with an annular shell for protecting the periphery of the outer side of the fan through screws, louver boards are arranged inside the air outlet window at equal intervals, a driving mechanism for adjusting the angle of the louver boards is also arranged inside the air outlet window, the driving mechanism comprises rotating shafts which are arranged at the front end and the rear end of the louver boards and are rotationally connected with the side wall of the air outlet window, a gear which is fixedly sleeved at one end of each rotating shaft and has the same size, pivot and shutter plate fixed connection, one side that the air-out window is close to the pivot tip is equipped with the protecting crust, every the one end of pivot all runs through the lateral wall of air-out window and extends to the inside of protecting crust, the gear sleeve is located the pivot and is located the inside one end of protecting crust, and the inside of protecting crust is located in the alignment of gear, every the common meshing of gear is connected with a chain, one of them the end connection of pivot has the motor that is located the protecting crust inside.

Preferably, the annular shell is connected with a filter plate for filtering the gas introduced into the cabinet body through screws.

Preferably, exhaust mechanism is including locating the inside draft hood in cabinet body top, the fixed pipeline one of locating the draft hood top, pipeline one is through pipeline two and clarifier intercommunication, and the clarifier is installed on the top of the cabinet body, the draft hood is loudspeaker column structure, and the osculum end and the pipeline one of draft hood are connected to the draft hood is located the top middle part of the cabinet body.

Preferably, the first pipeline is telescopic hose, the top of the cabinet body is equipped with the adjustment mechanism who carries out height adjustment to the cowl, adjustment mechanism locates the cabinet body top left and right sides including the symmetry and has the coiling mechanism of rope, two the free end of rope all passes cabinet body top and downwardly extending, and the positive left and right sides of cowl is located to the free end symmetry of two ropes to the free end of every rope all is connected with the cowl.

Preferably, the winding device is an electric winding machine.

3. Advantageous effects

1. The utility model can simultaneously rotate a plurality of rotating shafts under the drive of a motor through the meshing connection of the chains and a plurality of gears, so that the louver boards fixedly sleeved on each rotating shaft can be adjusted in the turnover angle, and the ventilation mechanism can ventilate the area tested on the worktable through the adjustment of the turnover angle of the louver boards, so that the tested area can be maintained in a certain range of air pressure value, which is beneficial to the chemical test, the utility model can realize the adjustment of the angular rotation through the meshing connection of the chains and the gears, so that the louver boards can be driven by the chains and the motor, the driving mechanism for adjusting the angle of the louver boards is simple and has small occupied area, which is convenient for people to install the louver boards, also reduces the manufacturing cost of the device, in addition, the air outlet windows are symmetrically arranged at the left side and the right side of the cabinet body, so that the air outlet windows at the left side and the right side can simultaneously ventilate the tested area on the worktable, the flow speed of chemical flue gas around the workstation is accelerated, improves the pump drainage effect of exhaust mechanism to chemical flue gas to reduce the influence that experiment flue gas caused to operator's safety.

2. The utility model discloses a synchronous work of two coiling mechanisms makes the draft hood receive the adjustment that realizes position above the workstation when unreeling simultaneously at its both ends rope to make people can be according to the high position of experiment operation, through the regulation to the draft hood height, make the draft hood can be comparatively comprehensive adsorb chemical flue gas, improve the operation safety of chemistry experiment.

3. The utility model discloses a filter can filter the gas that lets in the internal portion of cabinet, guarantees the experimental environment of the internal portion of cabinet, does benefit to going on of chemical experiment.

Drawings

Fig. 1 is a schematic front view of the internal structure of the present invention;

FIG. 2 is a schematic view of a partial internal structure of the air outlet window;

fig. 3 is a schematic view of the internal structure of the air outlet window.

Reference numerals: 1-cabinet, 2-workbench, 3-air outlet window, 4-fan, 5-annular shell, 6-ventilation opening, 7-filter plate, 8-louver plate, 81-rotating shaft, 82-gear, 83-chain, 84-motor, 9-ventilation hood, 10-pipeline one, 11-rope, 12-winding device, 13-pipeline two, 14-purifier, 15-protective shell.

Detailed Description

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

Examples

As shown in fig. 1-3, a ventilation device with adjustable air outlet angle for laboratories comprises a cabinet body 1, a worktable 2 is arranged inside the cabinet body 1, a ventilation mechanism and an exhaust mechanism for sucking chemical smoke are arranged inside the cabinet body 1, the exhaust mechanism comprises a ventilation hood 9 arranged inside the top end of the cabinet body 1, and a first pipeline 10 fixedly arranged on the top end of the ventilation hood 9, the first pipeline 10 is communicated with a purifier 14 through a second pipeline 13, the purifier 14 is installed on the top end of the cabinet body 1, the ventilation hood 9 is in a horn-shaped structure, the small-mouth end of the ventilation hood 9 is connected with the first pipeline 10, the ventilation hood 9 is arranged in the middle of the top end of the cabinet body 1, smoke generated in chemical experiments can be transmitted to the inside of the purifier 14 through the pipeline through the ventilation hood 9, harmful substances in the smoke can be purified through the purifier 14, and the influence of the chemical smoke on the environment can be reduced, meanwhile, the influence of chemical smoke on the life safety of an operator is reduced, a first pipeline 10 is a telescopic hose, an adjusting mechanism for adjusting the height of a ventilating hood 9 is arranged at the top end of a cabinet body 1, the adjusting mechanism comprises rolling devices 12 which are symmetrically arranged on the left side and the right side of the top end of the cabinet body 1 and are provided with ropes 11, the rolling devices 12 are electric winches, the free ends of the two ropes 11 penetrate through the top end of the cabinet body 1 and extend downwards, the free ends of the two ropes 11 are symmetrically arranged on the left side and the right side of the front surface of the ventilating hood 9, the free end of each rope 11 is connected with the ventilating hood 9, the positions of the ventilating hood 9 above a workbench 2 are adjusted while the ropes 11 at the two ends of the ventilating hood 9 are simultaneously rolled and unwound through synchronous work of the two rolling devices 12, and therefore people can absorb the chemical smoke more comprehensively through adjustment of the height of the ventilating hood 9 according to the height position of experimental operation, the operation safety of a chemical experiment is improved;

the ventilation mechanism comprises ventilation openings 6 symmetrically arranged on the left side wall and the right side wall of the cabinet body 1, air outlet windows 3 which are installed on the cabinet body 1 through screws and are horizontally aligned with the ventilation openings 6, the inside of each ventilation opening 6 is connected with a fan 4 through a support, the outer side wall of the cabinet body 1 is connected with an annular shell 5 which protects the periphery of the outer side of each fan 4 through screws, the annular shell 5 is connected with a filter plate 7 which filters gas introduced into the cabinet body 1 through screws, the gas introduced into the cabinet body 1 can be filtered through the filter plate 7, the experimental environment inside the cabinet body 1 is ensured, and the chemical experiment is facilitated;

the inside equidistant of air-out window 3 is equipped with shutter 8, and the inside of air-out window 3 still is equipped with the actuating mechanism who carries out angle modulation to shutter 8, actuating mechanism is including running through locate shutter 8 around both ends and with the pivot 81 of 3 lateral walls rotation connection of air-out window, every pivot 81 one end and the same gear 82 of size are located to fixed cover, pivot 81 and shutter 8 fixed connection, one side that air-out window 3 is close to the pivot 81 tip is equipped with protecting crust 15, the inside of the lateral wall that air-out window 3 was all run through to the one end of every pivot 81 and extended to protecting crust 15, the one end that pivot 81 is located protecting crust 15 inside is located to gear 82 cover, and gear 82 aligns the inside of locating protecting crust 15, every gear 82 meshes jointly and is connected with a chain 83, the end connection of one of them pivot 81 has the motor 84 that is located protecting crust 15 inside.

The specific application process of the laboratory special ventilation equipment with the adjustable air outlet angle is as follows: when in use, firstly, according to the height position of an experiment on the workbench 2, the ventilation hood 9 is enabled to correspondingly adjust the distance between the ventilation hood 9 and the workbench 2 under the suspending drop of the rope 11 through the work of the winding device 12, so that the ventilation hood 9 can absorb chemical smoke generated at the experiment place in a short distance while not delaying the normal operation of the experiment, thereby reducing the influence of the chemical smoke on the health of an operator and ensuring the safety of the chemical experiment, secondly, under the connection that the chain 83 is meshed with the gears 82 at the same time, the rotating shafts 81 on the louver boards 8 can be simultaneously rotated under the drive of the motor 84, thereby adjusting the rotating angle of the louver boards 8 in the air outlet window 3, adjusting the air outlet angle of the air outlet window 3, and meeting the requirement of relatively stable air pressure in the experiment process, when the air outlet window 3 discharges and ventilates air, the air introduced into the cabinet body 1 can be filtered through the filter plate 7, so that the experimental environment in the cabinet body 1 is ensured, and the chemical experiment is facilitated;

the ventilation hood 9 is when suction exhaust, and the accessible symmetry is located cabinet body 1 left and right sides air-out window 3 simultaneous working, ventilates simultaneously to the both sides of experiment region on the workstation 2 to accelerate the flow rate of chemical flue gas around the workstation 2, improve the pump drainage effect of ventilation hood 9 to chemical flue gas, just so accomplished this air exit angularly adjustable's special ventilation equipment's in laboratory use.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The laboratory special ventilation equipment with the adjustable air outlet angle comprises a cabinet body (1), wherein a workbench (2) is arranged inside the cabinet body (1), a ventilation mechanism and an exhaust mechanism for sucking chemical smoke are arranged inside the cabinet body (1), and the laboratory special ventilation equipment is characterized in that the ventilation mechanism comprises ventilation openings (6) symmetrically arranged on the left side wall and the right side wall of the cabinet body (1) and an air outlet window (3) horizontally aligned with the ventilation openings (6), the inside of the ventilation openings (6) is connected with a fan (4) through a bracket, the outer side wall of the cabinet body (1) is connected with an annular shell (5) for protecting the periphery of the outer side of the fan (4) through screws, louver boards (8) are arranged in the air outlet window (3) at equal intervals, and a driving mechanism for adjusting the angle of the louver boards (8) is also arranged in the air outlet window (3), the driving mechanism comprises rotating shafts (81) which penetrate through the front end and the rear end of the louver board (8) and are rotatably connected with the side wall of the air outlet window (3), gears (82) which are fixedly sleeved at one end of each rotating shaft (81) and have the same size, the rotating shaft (81) is fixedly connected with the louver boards (8), one side of the air outlet window (3) close to the end part of the rotating shaft (81) is provided with a protective shell (15), one end of each rotating shaft (81) penetrates through the side wall of the air outlet window (3) and extends into the protective shell (15), the gear (82) is sleeved at one end of the rotating shaft (81) which is positioned in the protective shell (15), and the gears (82) are arranged inside the protective shell (15) in an aligned way, each gear (82) is connected with a chain (83) in a meshed way, the end part of one of the rotating shafts (81) is connected with a motor (84) positioned in the protective shell (15).

2. The laboratory ventilation equipment with the adjustable exhaust outlet angle as claimed in claim 1, characterized in that the ring-shaped casing (5) is screwed with a filter plate (7) for filtering the gas introduced into the cabinet (1).

3. The laboratory special ventilation equipment with the adjustable air outlet angle as claimed in claim 1, wherein the exhaust mechanism comprises a ventilation hood (9) arranged inside the top end of the cabinet body (1) and a first pipeline (10) fixedly arranged on the top end of the ventilation hood (9), the first pipeline (10) is communicated with the purifier (14) through a second pipeline (13), the purifier (14) is installed on the top end of the cabinet body (1), the ventilation hood (9) is of a horn-shaped structure, the small end of the ventilation hood (9) is connected with the first pipeline (10), and the ventilation hood (9) is arranged in the middle of the top end of the cabinet body (1).

4. The special laboratory ventilation equipment of air exit angularly adjustable of claim 3, characterized in that, pipeline one (10) are scalable hose, the top of the cabinet body (1) is equipped with the adjustment mechanism who carries out height adjustment to draft hood (9), adjustment mechanism is including symmetrical coiling mechanism (12) of locating the cabinet body (1) top left and right sides and having rope (11), two the free end of rope (11) all passes the cabinet body (1) top and downwardly extending, and the positive left and right sides of draft hood (9) is located to the free end symmetry of two ropes (11) to the free end of every rope (11) all is connected with draft hood (9).

5. The laboratory-dedicated ventilation equipment with the adjustable exhaust outlet angle as claimed in claim 4, characterized in that the winding device (12) is an electric winch.