CN220791002U - Ventilation structure and experiment cabinet - Google Patents

Abstract

The utility model provides a ventilation structure and an experiment cabinet, and relates to the technical field of experiment ventilation. The ventilation structure comprises a ventilation shield, wherein a glass window body is slidably arranged at the front end of the ventilation shield, a convex plate is fixedly connected to the lower part of the front end of the glass window body, combined clamping bases are fixedly connected to the upper parts of two sides of the ventilation shield, a limited height guide rail is rotatably arranged at the bottom of each combined clamping base, and a limiting bolt is fixedly arranged above each limited height guide rail.

Description

Ventilation structure and experiment cabinet

Technical Field

The utility model relates to the technical field of experimental ventilation, in particular to a ventilation structure and an experimental cabinet.

Background

When the laboratory personnel separates the glass window in the ventilation experiment cabinet and carries out chemical experiments, various waste gases generated in the cabinet body in the experiment process can be discharged and carried out rapidly by utilizing the ventilation structure arranged above the ventilation experiment cabinet, so that the laboratory personnel can be prevented from inhaling harmful gases by mistake in the experiment process, and meanwhile, the safety of the laboratory can be ensured;

practical experiment personnel utilize current ventilation experiment cabinet structure, when carrying out chemistry experiment operation, push-and-pull's on the glass window in the experimentation too high can lead to ventilation experiment cabinet to reduce harmful gas's entrapment efficiency very easily, and part is followed the harmful gas that leaks in the ventilation experiment cabinet structure moreover, also can be inhaled by the human body very easily, causes harm to human body.

Disclosure of Invention

The utility model aims to provide a ventilation structure and an experiment cabinet, which are used for solving the problem that the trapping efficiency of harmful gas is affected due to too high push-pull on a glass window when the chemical experiment operation is performed by providing the prior ventilation experiment cabinet structure in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a ventilation structure, includes logical windscreen, the front end slidable mounting who ventilates the fender cover has the glass window body, and the front end below fixedly connected with flange of glass window body, the equal fixedly connected with combination cassette in both sides top of ventilation fender cover, and the bottom rotation of combination cassette installs limited high guide rail, limited bolt is fixed mounting to the top of limited high guide rail, and limited high guide rail's positive both sides all are equipped with the scale mark, the both sides front end of flange all is equipped with the traveller through integrated into one piece, and the front end fixedly connected with steering joint of traveller, the bottom of traveller is equipped with limited high bolt, the top middle part position switch-on of logical windscreen has the exhaust mouth of pipe.

Preferably, a fan is fixedly arranged at the middle upper position in the ventilation baffle cover, an activated carbon filter screen is arranged at the lower position of the fan, and the activated carbon filter screen is connected with the ventilation baffle cover in a clamping way.

Preferably, the height limiting guide rail is symmetrically arranged along the vertical central axis of the ventilation shield in a symmetrical mode, and a hole groove in threaded connection with the height limiting bolt is formed in one side end of the height limiting guide rail.

Preferably, the middle part of limit for height guide rail is equipped with the spout of traveller sliding connection, and coaxial setting between traveller and the steering joint, the both sides that turn to the joint all are equipped with the pilot pin through integrated into one piece, and the adjacent setting in front and back position between pilot pin and the scale mark.

The utility model provides an experiment cabinet, includes the combination sideboard body, the top of the combination sideboard body is equipped with puts the thing platform, and puts the appearance of thing platform and be "U" type structure setting, bolt fastening between the combination sideboard body and the ventilation fender cover.

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

according to the utility model, through the arranged glass window body, the convex plate, the height limiting guide rail, the height limiting bolt, the indicating needle and the scale marks, after an experimenter refers to the accurate indication of the numerical value on the scale marks, the glass window body is pushed down to a proper height position, and then the glass window component pushed down to the proper height position is subjected to height limiting treatment.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the windshield cover of the present utility model;

fig. 3 is a schematic diagram of the structure of fig. 2 at a.

In the figure: the air-conditioning device comprises a 1-ventilation shield, a 2-combined cabinet body, a 3-glass window body, a 4-convex plate, a 5-combined clamping seat, a 6-height limiting guide rail, a 7-limiting bolt, an 8-sliding column, a 9-steering joint, a 10-indicating needle, 11-scale marks, 12-height limiting bolts, 13-exhaust pipe orifices, 14-fans and 15-active carbon filter screens.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a ventilation structure, including leading to windshield cover 1, the front end slidable mounting who ventilates fender cover 1 has glass window body 3, and glass window body 3's front end below fixedly connected with flange 4, lead to the equal fixedly connected with combination cassette 5 in both sides top of windshield cover 1, and the bottom of combination cassette 5 rotates and installs limit high guide 6, limit high guide 6's top fixed mounting has limit bolt 7, and limit high guide 6's front both sides all are equipped with scale mark 11, flange 4's both sides front end all is equipped with slide column 8 through integrated into one piece, and slide column 8's front end fixedly connected with turns to joint 9, slide column 8's bottom is equipped with limit high bolt 12, ventilation fender cover 1's top middle part position switch-on has exhaust pipe mouth 13.

As shown in fig. 2, a fan 14 is fixedly installed at the middle upper position in the ventilation shield 1, an activated carbon filter screen 15 is arranged at the lower position of the fan 14, the activated carbon filter screen 15 is connected with the ventilation shield 1 in a clamping manner, and when the fan 14 extracts harmful gas generated in the experimental process upwards, the activated carbon filter screen 15 performs active adsorption purification treatment on the harmful gas.

As shown in fig. 2 and 3, the height limiting guide rail 6 is symmetrically arranged along the vertical central axis of the ventilation shield 1, and a hole slot in threaded connection with the height limiting bolt 12 is arranged at one side end of the height limiting guide rail 6, so that when an experimenter pushes up the glass window body 3 forcefully, the height limiting bolt 12 can prevent the glass window body 3 from being pushed down too high by pushing against the sliding column 8; the middle part of limit for height guide rail 6 is equipped with the spout of traveller 8 sliding connection, and coaxial setting between traveller 8 and the steering joint 9, the both sides that turn to joint 9 all are equipped with pilot pin 10 through integrated into one piece, and the position is adjacent around between pilot pin 10 and the scale mark 11 sets up, before combining the experimenter to accomplish the operation of laying various medicaments or instrument, glass window body 3 can be pushed up to the height of suitable placing object article, after the experimenter accomplishes the operation of laying various medicaments or instrument, can refer to the accurate indication of pilot pin 10 to the numerical value on the scale mark 11, push down glass window body 3 to suitable height position through traction by a set of traveller 8 direction aided flange 4, with limit for height bolt 12 twist insert limit for height guide rail 6 for the glass window component after pushing to suitable height position obtains limit for the height and prescribes a limit for treatment.

The utility model provides an experiment cabinet, including the combination cabinet body 2, the top of the combination cabinet body 2 is equipped with puts thing platform 16, and put the appearance of thing platform 16 and be "U" type structure setting, bolt fastening between the combination cabinet body 2 and the ventilation shield 1, after the experimenter pushes up glass window body 3 to suitable height, can put various medicaments or instruments that can use when carrying out chemistry experiments, put thing platform 16, put the setting that thing platform 16 appearance is "U" type structure, when not influencing this ventilation structure and experiment cabinet upwards extract harmful gas and with its convenient exhaust, also can play the effect of assisting experimenter to carry out experimental operation.

The working flow is as follows: before the experiment is carried out, the experimenter puts various medicaments or tools on the object placing table 16, pushes down the glass window body 3 to a proper height, when the experimenter stretches hands into an experiment space formed by the windshield cover 1 and the combined cabinet body 2 through the glass window body 3, chemical experiment can be carried out by utilizing various medicaments or tools placed on the object placing table 16, the started fan 14 can generate harmful waste gas in the experiment space through attractive force generated when the impeller rotates at a high speed, the harmful waste gas is upwards extracted, clean gas is discharged through the exhaust pipe orifice 13 after the active adsorption treatment is obtained through the active carbon filter screen 15, and the ventilation structure and the experiment cabinet are matched for achieving the purpose of ventilation and emission.

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

Claims (5)

1. A ventilation structure comprising a ventilation shield (1), characterized in that: the front end slidable mounting who keeps off cover (1) ventilates has glass window body (3), and the front end below fixedly connected with flange (4) of glass window body (3), the equal fixedly connected with of both sides top that leads to windscreen cover (1) makes up cassette (5), and the bottom rotation of combination cassette (5) installs limit high guide rail (6), limit high guide rail (6)'s top fixed mounting has limit bolt (7), and limit high guide rail (6) positive both sides all are equipped with scale mark (11), the both sides front end of flange (4) all is equipped with slide (8) through integrated into one piece, and the front end fixedly connected with of slide (8) turns to joint (9), the bottom of slide (8) is equipped with limit high bolt (12), the top middle part position switch-on that leads to windscreen cover (1) has exhaust mouth (13).

2. A ventilation structure according to claim 1, characterized in that: the upper middle position in the inside of ventilation fender cover (1) is fixed mounting has fan (14), and the below of fan (14) is equipped with active carbon filter screen (15), block between active carbon filter screen (15) and the ventilation fender cover (1) and connect.

3. A ventilation structure according to claim 1, characterized in that: the height limiting guide rail (6) is symmetrically arranged along the vertical central axis of the ventilation shield (1) in a symmetrical mode, and a hole groove in threaded connection with the height limiting bolt (12) is formed in one side end of the height limiting guide rail (6).

4. A ventilation structure according to claim 1, characterized in that: the middle part of limit for height guide rail (6) is equipped with the spout of traveller (8) sliding connection, and coaxial setting between traveller (8) and steering joint (9), the both sides that steering joint (9) all are equipped with pilot pin (10) through integrated into one piece, and the adjacent setting in front and back position between pilot pin (10) and scale mark (11).

5. The utility model provides an experiment cabinet, includes the combination sideboard body (2), its characterized in that: the top of the combined cabinet body (2) is provided with a storage table (16), the appearance of the storage table (16) is in a U-shaped structure, and the combined cabinet body (2) and the ventilation baffle cover (1) are fixed through bolts.