Auxiliary device for chemical reaction experiment

Abstract

The utility model relates to the technical field of chemical reaction experiments, in particular to a chemical reaction experiment auxiliary device which comprises a base, a protective cover is arranged on the base, a through hole is formed in the protective cover, a placing table is arranged on the base, a reaction container is arranged on the placing table, a first sliding groove is formed in the placing table, and a second sliding groove is formed in the first sliding groove. The base is provided with a protective cover made of a transparent material, a placing table is arranged on the base, a plurality of clamping and fixing mechanisms are arranged on the placing table, mounting boxes are arranged on the two sides of the protective cover, and adsorption mechanisms are arranged in the mounting boxes. The reaction container is fixed through a pair of fixing pieces by rotating a rotary knob, a sliding rod is arranged in a protective cover, and the position of a second sliding block on the sliding rod is adjusted, so that reaction raw materials are conveniently added into the reaction container or stirring is conveniently performed in the reaction container, and a reaction solvent is effectively prevented from being splashed into the surrounding environment due to a relatively violent reaction.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical reaction experiments, in particular to a chemical reaction experiment auxiliary device. Background Art

[0002] With the rapid development of the chemical industry, nowadays, more and more new materials and new substances are being developed and put into society, which has promoted greater and greater changes in society. These new materials are extracted, prepared, and tested in experiments again and again before they can be finally applied. In this process, some waste products or toxic substances are often obtained in the experiment, or some harmful reagents are accidentally dumped on the hands during the operation, which will bring unnecessary harm to the body of the experimenter;

[0003] However, in the prior art, when conducting chemical reaction experiments, harmful gases are usually generated, and some reactions are more violent, which may splash the reaction solvent into the surrounding environment;

[0004] Therefore, we designed a chemical reaction experiment auxiliary device. Utility Model Content

[0005] The utility model aims to solve the problems in the prior art that harmful gases are usually generated during chemical reaction experiments, and some reactions are more violent and the reaction solvents are splashed into the surrounding environment, and a chemical reaction experiment auxiliary device is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A chemical reaction experiment auxiliary device comprises a base, a protective cover made of a transparent material is arranged on the base, a through hole is opened on the protective cover, a placement table is arranged on the base, a reaction container is arranged on the placement table, a first slide groove is opened on the placement table, a plurality of clamping and fixing mechanisms for fixing the reaction container are arranged on the placement table, installation boxes are arranged on both sides of the protective cover, and an adsorption mechanism for neutralizing and harmlessly treating harmful gases generated in the protective cover is arranged in the installation box.

[0008] Preferably, the clamping and fixing mechanism comprises:

[0009] A forward and reverse screw rod and a first knob, wherein the forward and reverse screw rod is placed in the first sliding groove, and the first knob is coaxially fixedly connected with the forward and reverse screw rod;

[0010] A pair of first sliders and a pair of fixing plates, the pair of first sliders are symmetrically arranged in the first slide groove, the pair of first sliders are provided with threaded holes adapted to the positive and negative screw threads, and the pair of fixing plates are fixedly connected to the pair of sliders respectively.

[0011] Preferably, a sliding rod is provided in the protective cover, and a plurality of second sliding blocks slide on the sliding rod. A mounting hole is provided at the bottom of the second sliding block, and a screw rod is inserted into the mounting hole. One end of the screw rod is coaxially fixedly connected to a second knob, and the other end is rotatably connected to a retaining plate, and the retaining plate is in contact with the sliding rod.

[0012] Preferably, the adsorption mechanism comprises:

[0013] A flow guide cover, a connecting air duct and an exhaust fan, wherein the installation box and the protective cover are connected through the connecting air duct, one end of the connecting air duct is connected to the exhaust fan, and the other end is connected to the flow guide cover, and the flow guide cover is arranged in the protective cover;

[0014] A neutralization box and an air supply pipe, wherein one end of the exhaust fan away from the connecting air pipe is connected to the neutralization box through the air supply pipe.

[0015] Preferably, a limiting ring is provided on the second sliding block.

[0016] Preferably, a plurality of supporting legs for supporting the base are provided at the bottom of the base.

[0017] The beneficial effects of the utility model are:

[0018] 1. The utility model provides a protective cover made of transparent material on the base, places the reaction container on a placement table in the protective cover, and fixes the reaction container with a pair of fixing plates by rotating a knob. A sliding rod is provided in the protective cover, and the position of the second slider on the sliding rod is adjusted to facilitate adding reaction raw materials to the reaction container or stirring the reaction container, thereby effectively preventing a more violent reaction from splashing the reaction solvent into the surrounding environment.

[0019] 2. The utility model has an operation hole on the side wall of the protective cover for the convenience of the experimenter to operate, and a circular through hole on the top for convenient feeding or stirring in the reaction container, and installation boxes are provided on both side walls of the protective cover, and the installation box and the protective cover are connected through a connecting air duct. The air in the protective cover is sucked by the exhaust fan and then transported to the neutralization box through the air pipe, so as to neutralize and harmlessly treat the harmful gases generated in the chemical experiment to prevent the harmful gases from escaping into the surrounding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a chemical reaction experiment auxiliary device proposed by the utility model;

[0021] Figure 2 This is a front view of a chemical reaction experiment auxiliary device proposed by the utility model;

[0022] Figure 3This is a schematic diagram of a clamping and fixing mechanism of a chemical reaction experiment auxiliary device proposed by the utility model;

[0023] Figure 4 The utility model provides a schematic diagram of an adsorption mechanism of a chemical reaction experiment auxiliary device.

[0024] In the figure: 1. base; 2. protective cover; 3. through hole; 4. placement table; 5. slide groove; 6. positive and negative screw rods; 7. first knob; 8. first slider; 9. fixing plate; 10. installation box; 11. air guide cover; 12. connecting air duct; 13. exhaust fan; 14. neutralization box; 15. sliding rod; 16. second slider; 17. limiting ring; 18. second knob; 19. supporting tripod; 20. air supply pipe. DETAILED DESCRIPTION

[0025] Reference Figure 1-Figure 4 A chemical reaction experiment auxiliary device comprises a base 1, a plurality of supporting legs 19 for supporting the base 1 are arranged at the bottom of the base 1, a protective cover 2 made of a transparent material is arranged on the base 1, a through hole 3 is opened on the protective cover 2, a placing table 4 is arranged on the base 1, a reaction container is arranged on the placing table 4, a first slide groove 5 is opened on the placing table 4, and a plurality of clamping and fixing mechanisms for fixing the reaction container are arranged on the placing table 4,

[0026] The clamping and fixing mechanism includes a forward and reverse screw rod 6 and a first knob 7. The forward and reverse screw rod 6 is placed in the first slide groove 5. The first knob 7 is coaxially fixedly connected to the forward and reverse screw rod 6. A pair of first sliders 8 are symmetrically arranged in the first slide groove 5. The pair of first sliders 8 are provided with threaded holes that are compatible with the threads of the forward and reverse screw rod 6. A pair of fixing plates 9 are respectively fixedly connected to the pair of first sliders 8. By rotating the first knob 7, the pair of fixing plates 9 fix the reaction container, and a sliding rod 15 is provided in the protective cover 2.

[0027] Reference Figure 2 and Figure 4 , both sides of the protective cover 2 are provided with an installation box 10, and an adsorption mechanism is provided in the installation box 10, and the adsorption mechanism is used to neutralize and harmlessly treat the harmful gas generated in the protective cover 2;

[0028] The adsorption mechanism includes a flow guide cover 11, a connecting air duct 12 and an exhaust fan 13. The installation box 10 and the protective cover 2 are connected through the connecting air duct 12. One end of the connecting air duct 12 is connected to the exhaust fan 13, and the other end is connected to the flow guide cover 11. The flow guide cover 11 is arranged in the protective cover 2. The end of the exhaust fan 13 away from the connecting air duct 12 is connected to the neutralization box 14 through the air supply pipe 20. The installation box 10 and the protective cover 2 are connected through the connecting air duct 12. The air in the protective cover 2 is sucked by the exhaust fan 13, and then transported to the neutralization box 14 through the air supply pipe 20, so as to neutralize and harmlessly treat the harmful gases generated during the chemical experiment.

[0029] Reference Figure 1 and Figure 2 A sliding rod 15 is provided in the protective cover 2, and a plurality of second sliders 16 are slidably arranged on the sliding rod 15. A mounting hole is provided at the bottom of the second slider 16, and a screw is inserted in the mounting hole. A second knob 18 is coaxially fixedly connected to one end of the screw, and a retaining piece is rotatably connected to the other end, and the retaining piece contacts the sliding rod 15. A limiting ring 17 is provided on the second slider 16. By adjusting the position of the second slider 16 on the sliding rod 15, it is convenient to add reaction raw materials to the reaction container or stir the reaction container. An operating hole is provided on the side wall of the protective cover 2 for easy operation by the experimenter.

[0030] The working principle of the utility model is as follows:

[0031] A protective cover 2 made of transparent material is provided on the base 1, and the reaction container is placed on the placement table 4 in the protective cover 2. The reaction container is fixed by a pair of fixing plates 9 by rotating the first knob 7. A sliding rod 15 is provided in the protective cover 2, and the position of the second slider 16 on the sliding rod 15 is adjusted to facilitate adding reaction raw materials to the reaction container or stirring the reaction container. An operation hole is provided on the side wall of the protective cover 2 for convenient operation by the experimenter, and a circular through hole 3 is provided on the top to facilitate feeding or stirring the reaction container. Both side walls of the protective cover 2 are provided with installation boxes 10, and the installation box 10 is connected to the protective cover 2 through a connecting air duct 12. The air in the protective cover 2 is sucked by the exhaust fan 13, and then transported to the neutralization box 14 through the air supply pipe 20, so as to neutralize and harmlessly treat the harmful gases generated in the chemical experiment.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A chemical reaction experiment auxiliary device, comprising a base (1), characterized in that: The base (1) is provided with a protective cover (2) made of a transparent material, the protective cover (2) is provided with a through hole (3), the base (1) is provided with a placement table (4), the placement table (4) is provided with a reaction container, the placement table (4) is provided with a first slide groove (5), the placement table (4) is provided with a plurality of clamping and fixing mechanisms for fixing the reaction container, and both sides of the protective cover (2) are provided with an installation box (10), and the installation box (10) is provided with an adsorption mechanism for neutralizing and harmlessly treating harmful gases generated in the protective cover (2).

2. A chemical reaction experiment auxiliary device according to claim 1, characterized in that: The clamping and fixing mechanism comprises: A forward and reverse screw rod (6) and a first knob (7), wherein the forward and reverse screw rod (6) is placed in the first slide groove (5), and the first knob (7) is coaxially fixedly connected to the forward and reverse screw rod (6); A pair of first sliding blocks (8) and a pair of fixing plates (9), wherein the pair of first sliding blocks (8) are symmetrically arranged in the first sliding groove (5), threaded holes matching the threads of the positive and negative screw rods (6) are provided on the pair of first sliding blocks (8), and the pair of fixing plates (9) are fixedly connected to the pair of sliding blocks (8) respectively.

3. A chemical reaction experiment auxiliary device according to claim 1, characterized in that: A sliding rod (15) is provided inside the protective cover (2), and a plurality of second sliding blocks (16) are slidably mounted on the sliding rod (15). A mounting hole is provided at the bottom of the second sliding block (16), and a screw rod is inserted into the mounting hole. One end of the screw rod is coaxially fixedly connected to a second knob (18), and the other end of the screw rod is rotatably connected to a retaining plate, and the retaining plate is in contact with the sliding rod (15).

4. A chemical reaction experiment auxiliary device according to claim 1, characterized in that: The adsorption mechanism comprises: A flow guide cover (11), a connecting air duct (12) and an exhaust fan (13), wherein the installation box (10) and the protective cover (2) are connected via the connecting air duct (12), one end of the connecting air duct (12) is connected to the exhaust fan (13), and the other end is connected to the flow guide cover (11), and the flow guide cover (11) is arranged inside the protective cover (2); A neutralization box (14) and an air supply pipe (20), wherein one end of the exhaust fan (13) away from the connecting air pipe (12) is connected to the neutralization box (14) through the air supply pipe (20).

5. A chemical reaction experiment auxiliary device according to claim 3, characterized in that: A limiting ring (17) is provided on the second sliding block (16).

6. A chemical reaction experiment auxiliary device according to claim 1, characterized in that: A plurality of supporting legs (19) for supporting the base (1) are provided at the bottom of the base (1).

Images