CN209997644U

CN209997644U - safety arrangement for chemistry experiments

Info

Publication number: CN209997644U
Application number: CN201920761458.7U
Authority: CN
Inventors: 周美; 王道平; 陈金宏; 李春燕; 王瑜
Original assignee: Key Laboratory of Natural Product Chemistry of Guizhou Academy of Sciences
Current assignee: Key Laboratory of Natural Product Chemistry of Guizhou Academy of Sciences
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-31
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a safety arrangement for chemistry experiments, including the base, be fixed in the extension board of base bottom, set up and be used for placing the experiment container in base top middle part put the thing groove and settle and put on putting thing groove cavity and cover the transparent protection casing of experiment container, the base top is equipped with the supplementary control mechanism that is used for operating experiment container and carry out chemistry experiment safely, the utility model discloses can be at the simple convenient experimental operation that carries out of in-process of chemical reaction experiment, let user and reaction container keep there being definite safe distance for user's whole journey does not carry out direct contact with the experiment container, has increased the security of experiment, can be at the in-process of chemistry experiment simultaneously, and the user closely audio-visually observes the reaction material in the experiment container and reachs the experiment conclusion, uses from the that pushes away that is favorable to this chemistry experiment safety arrangement.

Description

safety arrangement for chemistry experiments

Technical Field

The utility model relates to a chemistry experiments apparatus technical field specifically is kinds of safety arrangement for chemistry experiments.

Background

In addition, in various experiments such as a pipette, a conical bottle, a potassium dichromate washing liquid and a high-liquid small bottle used in scientific experiments, the pipette, the conical bottle, the high-liquid small bottle and other glass instruments used in scientific experiments can be cleaned only by being soaked in chromic acid washing liquid, the preparation of the potassium dichromate washing liquid can cause the safety hazard, the digestion reaction of nitric acid, hydrogen peroxide and hydrofluoric acid in the detection of heavy metals of traditional Chinese medicinal materials, the reaction of chemical experiments with soil and the like is necessary to avoid the damage to operators caused by the reaction of the chemical experiments, and the safety protection device for chemical experiments is designed to be necessary to avoid the damage to the operators caused by the reaction of the chemical experiments in the detection of the heavy metals of the traditional Chinese medicinal materials.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide kinds of safety arrangement for chemistry experiments to there is the problem of potential safety hazard in the operation process in the laboratory staff who provides in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

safety protection device for chemical experiments comprises a base, a support plate fixed at the bottom end of the base, a storage groove arranged in the middle of the top end of the base and used for storing an experimental container, and a transparent protective cover arranged on the cavity of the storage groove and covering the experimental container, wherein an auxiliary control mechanism for operating the experimental container and safely carrying out chemical experiments is arranged above the base.

The lateral wall bottom surface of transparent protection casing is fixed with the connecting block that is the rectangle column structure, and the bottom of connecting block is fixed in the body through screw and base top, and the top of transparent protection casing link up and offer the slide opening that is "ten" style of calligraphy structure.

The auxiliary control mechanism comprises a rotating shaft vertically extending into the bottom end of the base, an upper rotary table fixedly connected to the top end of the rotating shaft and used for supporting the experimental container, a lower rotary table transversely fixed to the bottom end of the rotating shaft, and a reagent injection pipe and a stirring rod respectively located above the transparent protective cover.

The bottom end of the stirring rod vertically penetrates through the sliding hole and is arranged in the experimental container containing cavity, the top end of the stirring rod is transversely fixed with the handheld rod, the th positioning block in a cylindrical structure is movably sleeved on the outer surface of the stirring rod, the th positioning block is positioned above the transparent protective cover, the bottom end of the reagent injection pipe vertically penetrates through the sliding hole and extends into an opening on the top surface of the experimental container, and the second positioning block in a cylindrical structure is movably sleeved on the position, above the transparent protective cover, of the outer pipe wall of the reagent injection pipe.

The transverse length of the lower rotary table is three times of the transverse length of the upper rotary table, convex rods are distributed on the outer side wall of the lower rotary table in a central symmetry mode, and spherical blocks are fixed at the free ends of the convex rods.

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

the utility model discloses an auxiliary control mechanism who sets up, can be at the in-process of chemical reaction experiment, rely on the puddler, the reagent ascending pipe, go up the carousel and regard as the instrument of experiment with the carousel down, simple convenient experiment operation that carries on, let keep there being fixed safe distance between experimenter and the reaction vessel, thereby ensure that the experimenter is whole not to carry out direct contact with the experiment vessel, increase the security of experiment, and both can guarantee the stirring, can realize laborsaving high efficiency again, simultaneously, transparent protection casing both can make operating personnel can closely observe the reaction, can effectively keep apart splashing or explosion that produces in the reaction, the security of experimenter operation has been improved greatly.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a perspective view of the base of the present invention;

fig. 4 is a structural plan view of the lower rotary table of the present invention;

fig. 5 is a perspective view of the transparent protective cover of the present invention.

In the figure, a base 1, a storage groove 101, a support plate 2, a transparent protective cover 3, a sliding hole 31, an experimental container 4, a connecting block 5, a screw 51, an upper rotary table 6, a stirring rod 7, an th positioning block 8, a handheld rod 9, a reagent injection tube 10, a second positioning block 11, a lower rotary table 12 and a convex rod 121.

Detailed Description

The technical solution 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 , but not all embodiments.

Referring to fig. 1-5, the present invention provides technical solutions:

safety protection device for chemical experiments comprises a base 1, a support plate 2 fixed at the bottom end of the base 1, a storage groove 101 arranged in the middle of the top end of the base 1 and used for placing an experiment container 4, and a transparent protective cover 3 arranged on the cavity of the storage groove 101 and covering the experiment container 4, wherein an auxiliary control mechanism used for operating the experiment container 4 and safely carrying out chemical experiments is arranged above the base 1.

The outer side wall bottom surface of transparent protection casing 3 is fixed with connecting block 5 that is the rectangle column structure, and the bottom of connecting block 5 is fixed phase through

screw

51 and 1 top of base and is linked to the body, and the top of transparent protection casing 3 link up and has seted up slide opening 31 that is "ten" style of calligraphy structure.

It should be noted that the connection block 5 and the screw 51 are matched to firmly mount the transparent protection cover 3 in the cavity of the storage slot 101 above the base 1

The auxiliary control mechanism comprises a rotating shaft vertically extending into the bottom end of the base 1, an upper rotary disk 6 fixedly connected to the top end of the rotating shaft and used for supporting the experimental container 4, a lower rotary disk 12 transversely fixed to the bottom end of the rotating shaft, and a reagent injection pipe 10 and a stirring rod 7 respectively positioned above the transparent protective cover 3.

The bottom end of the stirring rod 7 vertically penetrates through the sliding hole 31 and is arranged in the cavity of the experimental container 4, the top end of the stirring rod 7 is transversely fixed with a handheld rod 9, the outer surface of the stirring rod 7 is movably sleeved with an th positioning block 8 which is in a cylindrical structure, the th positioning block 8 is positioned above the transparent protective cover 3, the bottom end of the reagent injection pipe 10 vertically penetrates through the sliding hole 31 and extends into an opening on the top surface of the experimental container 4, and the outer pipe wall of the reagent injection pipe 10 is movably sleeved with a second positioning block 11 which is in a cylindrical structure and is positioned above the transparent protective cover 3.

The positioning block 8 is arranged to prevent the stirring rod 7 from directly falling into the transparent protective cover 3 along the sliding hole 31, so that the stirring rod 7 is always positioned on the transparent protective cover 3, and long-term use of the stirring rod 7 is facilitated, and the reagent injection tube 10 can be stably arranged on the transparent protective cover 3 by the arrangement of the second positioning block 11, so that the chemical experiment safety protection device is facilitated to be used by pushing the .

The transverse length of the lower rotary disc 12 is three times of the transverse length of the upper rotary disc 6, convex rods 121 are distributed on the outer side wall of the lower rotary disc 12 in a central symmetry manner, and spherical blocks are fixed at the free ends of the convex rods 121.

It should be noted that, through the setting of globular piece, can increase the undulation degree on nose bar 121 surface, increase the roughness on nose bar 121 surface to can let the user more firm hold nose bar 121, the person of facilitating the use stirs nose bar 121 fast and realizes going up the circumference rotation of carousel 6 with lower carousel 12, with this position that constantly changes experiment container 4, lets the convenience look over the mixed reaction condition of reagent in the experiment container 4.

The working principle is as follows: when the device is used, firstly, an experimental container 4 of a chemical experiment is arranged on the surface of an upper rotating disc 6, then, the transparent protective cover 3 is covered on the experimental container 4, at the moment, the transparent protective cover 3 is firmly arranged in an object placing groove 101 above a base 1 through the matching of a connecting block 5 and a screw 51, then, a stirring rod 7 is moved leftwards or rightwards along a sliding hole 31 through a handheld rod 9, and finally, the stirring rod 7 is arranged in the experimental container 4; the reagent in the experimental container 4 is stirred by moving the stirring rod 7 left and right, so that the reagent can be mixed more uniformly; moving the reagent injection tube 10 by the same method so that the reagent injection tube 10 is aligned with the upper opening of the test container 4; when carrying out the chemical reaction experiment, the user adds chemical reagent in to experiment container 4 through reagent injection pipe 10, the user stirs the chemical reagent in experiment container 4 through puddler 7, the user rotates lower carousel 12 through nose bar 121, and then make under the linkage effect go up carousel 6 also rotatory drive experiment container 4 thereupon and rotate, thereby can see through the reaction condition of chemical reagent in experiment container 4 through the transparent protection casing 3 audio-visual investigation at different angles, let the user at the in-process of carrying out the chemical experiment, whole journey does not carry out direct contact with experiment container 4, thereby can be at the in-process of chemical reaction experiment, the security performance when improving the chemical reaction experiment.

The utility model discloses an auxiliary control mechanism who sets up, can be at the in-process of chemical reaction experiment, rely on puddler 7, reagent injection pipe 10, go up carousel 6 and carousel 12 down as the instrument of experiment, simple convenient experiment operation that carries on, let user and experiment container 4 keep there being safety distance decided, make the whole of user not carry out direct contact with experiment container 4, the security of experiment has been increased, simultaneously through the setting of transparent protection casing 3, can be at the in-process of chemical experiment, the experimenter closely audio-visually observes reaction substance in the experiment container 4.

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

The safety protection device for the chemical experiments comprises a base (1), a support plate (2) fixed at the bottom end of the base (1), a storage groove (101) formed in the middle of the top end of the base (1) and used for storing an experiment container (4), and a transparent protection cover (3) arranged on a groove cavity of the storage groove (101) and used for covering the experiment container (4), and is characterized in that an auxiliary control mechanism used for operating the experiment container (4) and safely carrying out chemical experiments is arranged above the base (1).
2. The safety guards for chemical experiments according to claim 1, wherein the bottom of the outer side wall of the transparent guard (3) is fixed with a rectangular connecting block (5), the bottom of the connecting block (5) is fixed with the top of the base (1) by a screw (51) to be connected to the body, and the top of the transparent guard (3) is provided with a sliding hole (31) in a cross-shaped structure.
3. The safety protection device for kinds of chemical experiments according to claim 1, wherein the auxiliary control mechanism comprises a rotating shaft vertically extending into the bottom end of the base (1), an upper rotary plate (6) fixedly connected to the top end of the rotating shaft and used for supporting the experimental container (4), a lower rotary plate (12) transversely fixed to the bottom end of the rotating shaft, and a reagent injection tube (10) and a stirring rod (7) respectively located above the transparent shield (3).
4. The safety protection device for chemical experiments according to claim 3, wherein the bottom end of the stirring rod (7) vertically penetrates through the sliding hole (31) and is disposed in the cavity of the experiment container (4), the top end of the stirring rod (7) is transversely fixed with the handheld rod (9), the outer surface of the stirring rod (7) is movably sleeved with a positioning block (8) with a cylindrical structure, the positioning block (8) is located above the transparent shield (3), the bottom end of the reagent injection tube (10) vertically penetrates through the sliding hole (31) and extends into the opening on the top surface of the experiment container (4), and the outer tube wall of the reagent injection tube (10) is movably sleeved with a second positioning block (11) with a cylindrical structure at a position above the transparent shield (3).
5. The kind of safety protection devices for chemical experiments of claim 3, wherein the lateral length of the lower turntable (12) is third of the lateral length of the upper turntable (6), the outer side wall of the lower turntable (12) is centrally and symmetrically distributed with protruding rods (121), and the free ends of the protruding rods (121) are fixed with spherical blocks.