CN217313508U

CN217313508U - Safe self-protection teaching experiment table

Info

Publication number: CN217313508U
Application number: CN202220063369.7U
Authority: CN
Inventors: 吴亚超; 王云生
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-08-30
Anticipated expiration: 2032-01-11

Abstract

The utility model belongs to the technical field of experiment tables, in particular to a safe self-protection teaching experiment table, which comprises an operation table, supporting plates are longitudinally and fixedly arranged at both ends of the upper side wall of the operating platform, a lifting mechanism is fixedly arranged inside the operating platform, the upper end of the operating platform is provided with a protective cover, the upper side wall of the protective cover is fixedly provided with a smoke exhaust hood, a suction fan is fixedly arranged inside the smoke exhaust hood, a filter box is fixedly arranged at the left end of the smoke exhaust hood, the upper side wall of the filter box is fixedly provided with a mounting plate, the lower side wall of the mounting plate is fixedly provided with filter cotton, so that the protective cover can be quickly moved to the upper end of the operating table during experiments, the experiment operation is carried out in the protective cover, the injury of the generated chemical substances to teachers and students is effectively avoided, the self-protection effect is achieved, and harmful gases and dense smoke can be absorbed by the exhaust fan and absorbed by the filter cotton.

Description

Safe self-protection teaching experiment table

Technical Field

The utility model relates to an experiment table technical field specifically is a safe teaching experiment platform who protects certainly.

Background

Present chemistry teaching is not merely to the teaching knowledge on the books, often gives a way to the chemistry laboratory in addition and carries out the on-the-spot demonstration teaching, can make like this that the student just audio-visual connection to the chemical reaction phenomenon, chemistry teaching on probation more like this.

When carrying out the chemistry experiment, often because chemical reaction produces a large amount of dense smoke or harmful gas, but present teaching experiment platform does not have the guard action, and the material that not only chemical reaction produced splashes easily and produces the injury to the mr, and harmful gas or dense smoke that produce are inhaled internal by mr or student and still can cause the injury to the health.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe teaching experiment platform from nursing to there is not the guard action in solving the present teaching experiment platform that proposes in the above-mentioned background art, and the material that not only chemical reaction produced splashes easily and produces the injury to the mr, and the harmful gas that produces or dense smoke are inhaled internal still can cause the problem of injury to the health by mr or student.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a safe teaching experiment platform from protecting, includes the operation panel, the equal longitudinal fixation in both ends of lateral wall is provided with the backup pad on the operation panel, the fixed elevating system that is provided with in inside of operation panel, the upper end of operation panel is provided with the protection casing, the fixed exhaust hood that is provided with of last lateral wall of protection casing, the fixed exhaust fan that is provided with in inside of exhaust hood, the fixed rose box that is provided with in left end of exhaust hood, the fixed mounting panel that is provided with of last lateral wall of rose box, the fixed filter pulp that is provided with of lower lateral wall of mounting panel, exhaust hood with the fixed connecting pipe that is provided with the symmetry between the rose box, the fixed discharge pipe that is provided with of left side wall of rose box.

Preferably, the lifting mechanism comprises a case, the case is fixedly connected with the inner wall of the operating platform, a double-shaft motor is fixedly arranged inside the case, rotating rods are fixedly arranged at two ends of the double-shaft motor, first bevel gears are sleeved at two ends of the two rotating rods, cavities are formed in two supporting plates, strip-shaped openings are formed in side walls of the two cavities, screw rods are rotatably arranged inside the two cavities, the lower ends of the two screw rods extend into the operating platform and are adjusted to be provided with second bevel gears, the first bevel gears are meshed with the two second bevel gears, slide blocks are in threaded connection with rod walls of the two screw rods, and the two slide blocks are fixedly connected with the side wall of the protective cover.

Preferably, symmetrical operation openings are formed in the front side wall of the protective cover, two sealing rings are fixedly arranged in the operation openings, and a sealing gasket is fixedly arranged on the lower side wall of the protective cover.

Preferably, the mounting plate is fixedly connected with the upper side wall of the filter box through bolts.

Preferably, symmetrical bases are fixedly arranged on the lower side wall of the operating platform.

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

through the protection casing, take out the petticoat pipe, the induced draft fan, the rose box, the mounting panel, cross the filter pulp, the connecting pipe, discharge pipe and elevating system's common cooperation, be convenient for when experimental, can remove the upper end of operation panel with the protection casing fast, experiment operation is carried out in the inside of protection casing, the chemical substance of effectively avoiding producing produces the injury to mr and student, reach the effect of self-protection, and can absorb harmful gas and dense cigarette and absorb through crossing the filter pulp through the air exhauster.

Drawings

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

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of the filter box of fig. 1.

In the figure: the device comprises an operation table 1, a support plate 2, a protective cover 3, a smoke exhaust hood 4, a suction fan 5, a filter box 6, a mounting plate 7, filter cotton 8, a connecting pipe 9, a discharge pipe 10, a case 11, a double-shaft motor 12, a rotating rod 13, a screw rod 14 and a sliding block 15.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a safe self-protection teaching experiment table comprises an operation table 1, wherein two ends of the upper side wall of the operation table 1 are longitudinally and fixedly provided with supporting plates 2, the lower side wall of the operation table 1 is fixedly provided with symmetrical bases, the inside of the operation table 1 is fixedly provided with a lifting mechanism, the lifting mechanism comprises a case 11, the case 11 is fixedly connected with the inner wall of the operation table 1, the inside of the case 11 is fixedly provided with a double-shaft motor 12, two ends of the double-shaft motor 12 are fixedly provided with rotating rods 13, two ends of the two rotating rods 13 are respectively sleeved with a first bevel gear, the insides of the two supporting plates 2 are respectively provided with a cavity, the side walls of the two cavities are respectively provided with a strip-shaped opening, the insides of the two cavities are respectively rotatably provided with a screw rod 14, the lower ends of the two screw rods 14 extend to the inside of the operation table 1 and are respectively provided with a second bevel gear, the two first bevel gears are meshed with the two second bevel gears, the rod walls of the two screw rods 14 are respectively in threaded connection with a sliding block 15, the two sliding blocks 15 are fixedly connected with the side wall of the protective cover 3, the front side wall of the protective cover 3 is provided with symmetrical operation ports, sealing rings are fixedly arranged in the two operation ports, a sealing gasket is fixedly arranged on the lower side wall of the protective cover 3 to ensure the sealing property between the lower side wall of the protective cover 3 and the upper side wall of the operation table 1, the protective cover 3 is arranged at the upper end of the operation table 1, a smoke exhaust hood 4 is fixedly arranged on the upper side wall of the protective cover 3, a smoke exhaust fan 5 is fixedly arranged in the smoke exhaust hood 4, a filter box 6 is fixedly arranged at the left end of the smoke exhaust hood 4, a mounting plate 7 is fixedly arranged on the upper side wall of the filter box 6, the mounting plate 7 is fixedly connected with the upper side wall of the filter box 6 through bolts, filter cotton 8 is fixedly arranged on the lower side wall of the mounting plate 7, a symmetrical connecting pipe 9 is fixedly arranged between the smoke exhaust hood 4 and the filter box 6, and a discharge pipe 10 is fixedly arranged on the left side wall of the filter box 6, when needs carry out the experiment operation, move the upper end of operation panel 1 with protection casing 3, carry out the experiment operation in the inside of protection casing 3, effectively protect by oneself, and can absorb and filter the harmful gas and the dense cigarette that produce.

The working principle is as follows: firstly, preparing experimental equipment and medicines needed by experiments on the upper end of the operating platform 1, and when the experiments are needed, starting a double-shaft motor 12, the double-shaft motor 12 drives rotating rods 13 at two ends to rotate, the two rotating rods 13 drive first bevel gears at two ends to rotate, the two first bevel gears drive second bevel gears at two ends to rotate, the two second bevel gears drive a screw rod 14 at the upper end to rotate, the two screw rods 14 drive a slide block 15 in threaded connection with a rod wall to move downwards, the two slide blocks 15 drive a protective cover 3 to move downwards until the protective cover is attached to the upper side wall of an operation table 1, the hands of a teacher penetrate through an operation port to perform experiment operation in the protective cover 3, effective self-protection is performed, an exhaust fan 5 is started, dense smoke and harmful gas generated in the experiment process enter the filter box 6 through a connecting pipe 9 by the exhaust fan 5, effective absorption is performed through filter cotton 8, and finally the dense smoke and the harmful gas are discharged through a discharge pipe 10.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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. A safe self-protection teaching experiment table comprises an operation table (1) and is characterized in that, two ends of the upper side wall of the operating platform (1) are longitudinally and fixedly provided with supporting plates (2), a lifting mechanism is fixedly arranged inside the operating platform (1), a protective cover (3) is arranged at the upper end of the operating platform (1), a smoke exhaust hood (4) is fixedly arranged on the upper side wall of the protective hood (3), a smoke exhaust fan (5) is fixedly arranged inside the smoke exhaust hood (4), a filter box (6) is fixedly arranged at the left end of the smoke exhaust hood (4), a mounting plate (7) is fixedly arranged on the upper side wall of the filter box (6), the lower side wall of the mounting plate (7) is fixedly provided with filter cotton (8), symmetrical connecting pipes (9) are fixedly arranged between the smoke exhaust hood (4) and the filter box (6), and a discharge pipe (10) is fixedly arranged on the left side wall of the filter box (6).

2. A safety self-care teaching laboratory bench according to claim 1, wherein: the lifting mechanism comprises a case (11), the case (11) is fixedly connected with the inner wall of the operating platform (1), the inside of machine case (11) is fixed and is provided with double-shaft motor (12), the both ends of double-shaft motor (12) are all fixed and are provided with bull stick (13), two the both ends of bull stick (13) all cup joint and are provided with first bevel gear, two the cavity has all been seted up to the inside of backup pad (2), two the bar mouth has all been seted up to the lateral wall of cavity, two the inside of cavity all rotates and is provided with lead screw (14), two the lower extreme of lead screw (14) extends to the inside of operation panel (1) and adjusts and is provided with the second bevel gear, two first bevel gear and two the meshing of second bevel gear, two the equal threaded connection of pole wall of lead screw (14) has slider (15), two slider (15) all with the lateral wall fixed connection of protection casing (3).

3. A safety self-care teaching laboratory bench according to claim 1, wherein: symmetrical operation openings are formed in the front side wall of the protective cover (3), a sealing ring is fixedly arranged inside each operation opening, and a sealing gasket is fixedly arranged on the lower side wall of the protective cover (3).

4. A safety self-care teaching laboratory bench according to claim 1, wherein: the mounting plate (7) is fixedly connected with the upper side wall of the filter box (6) through bolts.

5. A safety self-care teaching laboratory bench according to claim 1, wherein: and symmetrical bases are fixedly arranged on the lower side wall of the operating platform (1).