CN210646494U

CN210646494U - Chemistry ventilation type student experiment table

Info

Publication number: CN210646494U
Application number: CN201921037400.4U
Authority: CN
Inventors: 解乐乐
Original assignee: Jiangsu Kehui Teaching Equipment Co Ltd
Current assignee: Jiangsu Kehui Teaching Equipment Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-06-02
Anticipated expiration: 2029-07-04

Abstract

The utility model relates to an experiment table technical field specifically is a chemistry draft type student experiment table, including the experiment table body, experiment table body top is equipped with the physiochemical board, and the physiochemical board runs through and is equipped with the base seat, base seat threaded connection tuber pipe, tuber pipe fixed connection bellows, bellows bolted connection support pipe ring, support pipe ring threaded connection tuber pipe cover, is equipped with in the tuber pipe cover and detains frame and filter screen, detains frame threaded connection support pipe ring, support pipe ring bottom bolted connection backup pad, is equipped with the telescopic link in the backup pad, and the telescopic link bottom is equipped with the base. The beneficial effects are that: the utility model discloses a bellows to between tuber pipe and the tuber pipe cover carries out folding compression, avoids the tuber pipe cover to disturb the sight to carry out the auxiliary stay to the tuber pipe cover through adjusting backup pad, telescopic link and base, very big improvement tuber pipe cover installation stability, the tuber pipe cover can change the height of its relative physiochemical board, thereby satisfy in the experimental operation requirement of difference.

Description

Chemistry ventilation type student experiment table

Technical Field

The utility model relates to an experiment table technical field specifically is a chemistry draft type student experiment table.

Background

Laboratory ventilation is an integral part of laboratory design. Good ventilation in the laboratory should be avoided to the laboratory staff from inhaling or swallowing some chemicals and organisms that are toxic, pathogenic or not toxic. 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.

The existing local ventilation method is mainly characterized in that a ventilation device is arranged on a laboratory bench and fixed on the laboratory bench, so that a good ventilation environment can be guaranteed nearby the ventilation device, but the ventilation device occupies a certain volume and easily blocks the sight of students.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemistry draft type student experiment platform 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 chemistry draft student laboratory bench, includes the laboratory bench body, laboratory bench body top is equipped with the physiochemical board, the physiochemical board runs through and is equipped with the end cover seat, end cover seat threaded connection tuber pipe, tuber pipe fixed connection bellows, bellows bolted connection supports the pipe ring, support pipe ring threaded connection tuber pipe cover, be equipped with in the tuber pipe cover and detain frame and filter screen, detain frame threaded connection and support the pipe ring, the filter screen with detain frame looks butt, and the filter screen other end and support pipe ring looks butt, support pipe ring bottom bolted connection backup pad, be equipped with the telescopic link in the backup pad, the telescopic link bottom is equipped with the base.

Preferably, the air pipe cover is of a three-quarter spherical shell structure, and acid and alkali resistant coatings are coated on the inner surface and the outer surface of the air pipe cover.

Preferably, the inner wall of the buckling frame is provided with a poking piece, the poking piece is a cylindrical block and is integrally formed with the buckling frame, and the poking piece is at least provided with two pieces distributed about the center of the buckling frame.

Preferably, the filter screen is formed by weaving stainless steel metal wires in a staggered mode, and the mesh number of the filter screen is 10.

Preferably, the telescopic link comprises first pole, second pole and adjusting bolt, first pole fixed connection base, and the second pole is cup jointed to first pole, and is equipped with the adjusting bolt who is used for screwing and relaxs the second pole on the first pole, second pole and backup pad fixed connection.

Preferably, the base is provided with four rubber suction cups, and the four rubber suction cups are uniformly distributed in a rectangular shape on the lower surface of the base.

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

1. the utility model discloses a bellows between tuber pipe and the tuber pipe cover is folded and is compressed, avoids the tuber pipe cover to disturb the sight to carry out the auxiliary stay to the tuber pipe cover through adjusting backup pad, telescopic link and base, very big improvement tuber pipe cover installation stability, the tuber pipe cover can change its relative physiochemical board's height, thereby satisfy different experimental operation requirements;

2. the utility model discloses a rotatory piece of stirring for detaining the rotatory fine stress point that provides of frame, be convenient for compress tightly the filter screen, the filter screen can be dismantled fast with the tuber pipe cover.

Drawings

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

FIG. 2 is a schematic view of the structure of the middle wind pipe, the corrugated pipe, the wind pipe cover and the telescopic rod of the present invention;

FIG. 3 is a schematic structural view of a corrugated pipe, a supporting pipe ring and an air duct cover of the present invention;

fig. 4 is a schematic structural view of the middle buckle frame and the toggle piece of the present invention.

In the figure: 1 experiment table body, 2 physiochemical boards, 3 bottom sleeve seats, 4 air pipes, 5 corrugated pipes, 6 supporting pipe rings, 7 air pipe covers, 8 buckling frames, 9 stirring pieces, 10 filter screens, 11 supporting plates, 12 telescopic rods, 13 bases and 14 rubber suction cups.

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 to 4, the present invention provides a technical solution: the utility model provides a chemistry draft type student laboratory bench, includes

laboratory bench body

1, and 1 top of laboratory bench body is glued and is connected physicochemical plate 2, and physicochemical plate 2 runs through and is equipped with

end cover seat

3, 3 threaded connection tuber pipes 4 of end cover seat, 4 fixed connection bellows 5 of tuber pipe. The air pipe 4 and the corrugated pipe 5 are made of UPVC engineering plastics and have acid and alkali resistance, the air pipe 4 passes through the clamp and the centrifugal 5.5KW speed regulating fan, the air volume of the speed regulating fan reaches 7100-13500m3/h, and the noise is low. The bellows 5 has the capability of adsorbing gas by generating negative pressure by the speed regulation fan.

The corrugated pipe 5 is connected with a supporting pipe ring 6 through bolts, the supporting pipe ring 6 is connected with an air pipe cover 7 through threads, the air pipe cover 7 is of a three-quarter spherical shell structure, and acid and alkali resistant coatings are coated on the inner surface and the outer surface of the air pipe cover 7. Be equipped with in the tuber pipe cover 7 and detain frame 8 and filter screen 10, detain 8 threaded connection support tube rings of frame 6, filter screen 10 with detain 8 looks butt of frame, and the filter screen 10 other end and support tube rings 6 looks butt, can be with the fine restraint of filter screen 10 in tuber pipe cover 7 through detaining frame 8, it is equipped with and dials a 9 to detain 8 inner walls of frame, it is the cylinder piece and with detain 8 integrated into one piece to dial a 9, it is equipped with two about detaining 8 central symmetric distributions to dial a 9, dial a 9 through the rotation, for detaining 8 rotations of frame provide a fine stress point, be convenient for compress tightly filter screen 10, filter screen 10 can be dismantled fast with tuber pipe cover 7. The filter screen 10 is formed by weaving stainless steel metal wires in a staggered mode, the mesh number of the filter screen 10 is 10, and therefore the situation that the corrugated pipe 5 is filled with sundries such as shredded paper by students can be effectively prevented.

6 bottom bolted connection backup pads 11 of stay tube ring are equipped with telescopic link 12 in the backup pad 11, and telescopic link 12 comprises first pole, second pole and adjusting bolt, first pole fixed connection base 13, and the second pole is cup jointed to first pole, and is equipped with the adjusting bolt who is used for screwing and relaxs the second pole on the first pole, second pole and 11 fixed connection of backup pad. The base 13 is provided with four rubber suction cups 14, and the four rubber suction cups 14 are uniformly distributed on the lower surface of the base 13 in a rectangular shape. Can adsorb base 13 through rubber suction cup 14 and fix on physiochemical board 2 to carry out the auxiliary stay through adjusting backup pad 11, telescopic link 12 and base to tuber pipe cover 7, very big improvement tuber pipe cover 7 installation stability, tuber pipe cover 7 can change its relative physiochemical board 2's height, thereby satisfy in the experimental operation requirement of difference.

The corrugated pipe 5 can be folded and stretched, and when the corrugated pipe is not used, the base 13 can be removed, and the corrugated pipe 5 can be folded and compressed to avoid interference with the sight of students.

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 chemistry draft type student laboratory bench which characterized in that: comprises a laboratory bench body (1), a physiochemical plate (2) is arranged at the top of the laboratory bench body (1), the physiochemical plate (2) is provided with a bottom sleeve seat (3) in a penetrating way, the bottom sleeve seat (3) is connected with an air pipe (4) in a threaded way, the air pipe (4) is fixedly connected with a corrugated pipe (5), the corrugated pipe (5) is connected with a supporting pipe ring (6) through bolts, the supporting pipe ring (6) is in threaded connection with an air pipe cover (7), a buckling frame (8) and a filter screen (10) are arranged in the air pipe cover (7), the buckling frame (8) is in threaded connection with the supporting pipe ring (6), the filter screen (10) is abutted against the buckling frame (8), the other end of the filter screen (10) is abutted against the supporting pipe ring (6), the bottom of the supporting pipe ring (6) is connected with the supporting plate (11) by a bolt, the supporting plate (11) is provided with a telescopic rod (12), and the bottom of the telescopic rod (12) is provided with a base (13).

2. A chemical ventilation type student laboratory bench according to claim 1, wherein: the air pipe cover (7) is of a three-quarter spherical shell structure, and acid and alkali resistant coatings are coated on the inner surface and the outer surface of the air pipe cover (7).

3. A chemical ventilation type student laboratory bench according to claim 1, wherein: detain frame (8) inner wall and be equipped with and dial a piece (9), dial a piece (9) and be the cylinder piece and with detain frame (8) integrated into one piece, dial and be equipped with about detaining two that frame (8) center distributes at least in piece (9).

4. A chemical ventilation type student laboratory bench according to claim 1, wherein: the filter screen (10) is formed by weaving stainless steel metal wires in a staggered mode, and the mesh number of the filter screen (10) is 10.

5. A chemical ventilation type student laboratory bench according to claim 1, wherein: telescopic link (12) comprise first pole, second pole and adjusting bolt, first pole fixed connection base (13), and the second pole is cup jointed to first pole, and is equipped with the adjusting bolt who is used for screwing and relaxs the second pole on the first pole, second pole and backup pad (11) fixed connection.

6. A chemical ventilation type student laboratory bench according to claim 1, wherein: the base (13) is provided with four rubber suction cups (14), and the four rubber suction cups (14) are uniformly distributed in a rectangular shape on the lower surface of the base (13).