CN219104491U

CN219104491U - Experimental sample preparation tool

Info

Publication number: CN219104491U
Application number: CN202223509197.0U
Authority: CN
Inventors: 方丽芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-30
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the technical field of laboratory tools, in particular to an experimental sample preparation tool, which comprises a mixed reaction component and a plurality of sample preparation boxes connected near the mixed reaction component, wherein the sample preparation boxes are semi-cylindrical, stirring components are fixedly arranged on the sample preparation boxes, communicating pipes are fixedly connected between the stirring components and the mixed reaction component and are communicated with the mixed reaction component and the sample preparation boxes through the communicating pipes, a cover plate is hinged on a top plate of the sample preparation box, and the stirring components are arranged on the sample preparation boxes, so that chemical solvents can be mixed or diluted in a closed space, direct contact between operators and toxic solvents is effectively reduced, the safety of the device is improved, meanwhile, the solvents in the sample preparation boxes can be rapidly introduced into the mixed reaction component through pressure transmission, and the contact between the operators and the solvents during solvent transferring is further reduced.

Description

Experimental sample preparation tool

Technical Field

The utility model relates to the technical field of laboratory tools, in particular to an experimental sample preparation tool.

Background

In chemical experiments, two or more kinds of substances are required to be reacted to obtain a desired substance, and in the field of organic chemistry, in order to obtain a relatively complex compound, more organic substances are required to participate in the reaction.

In the existing organic chemistry experiments, more chemical experiments with toxicity exist, operators need to wear a gas mask and wear protective outer coats in the process of preparing related experimental samples, the toxic substances generated in the chemical experiments are prevented from damaging human bodies, and the operators inevitably need to manually add, mix and dilute chemical solutions, so that the operators need to carefully operate in the process, and the risk is high.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides an experimental sample preparation tool which can effectively solve the problem of how to reduce the risk in the process of preparing the experimental sample in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides an experimental sample preparation tool which comprises a mixed reaction component and a plurality of sample preparation boxes connected near the mixed reaction component, wherein the sample preparation boxes are semi-cylindrical, an agitating component is fixedly arranged on each sample preparation box, a communicating pipe is fixedly connected between each agitating component and each mixed reaction component, the mixed reaction component is communicated with the sample preparation box through the communicating pipe, and a cover plate is hinged on a top plate of each sample preparation box;

the stirring assembly comprises a fixed pipe penetrating through the top of the sample preparation box, an elastic air bag is fixedly arranged at the top of the fixed pipe, two communicating square pipes are penetrating through the bottom of the elastic air bag, flexible square pipes are fixedly connected to the bottoms of the communicating square pipes, elastic pieces are fixedly connected between the flexible square pipes and the inner wall of the top of the sample preparation box, rotating iron pipes are connected to the two sides of the flexible square pipes through rotating shafts, and pressure relief pipes are penetrating through the ends of the flexible square pipes.

Further, one side of the elastic air bag is provided with an air inlet pipe in a penetrating mode, a one-way valve is arranged in the air inlet pipe, and a butterfly valve is arranged between the elastic air bag and the communicating pipe.

Further, sliding plates are slidably mounted on two side plates of the sample preparation box, magnets are fixedly connected between the two sliding plates, and the magnets can generate magnetic attraction to the rotary iron pipe.

Further, the outer end of the pressure relief pipe is fixedly provided with a liquid suction hopper.

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the stirring assembly is arranged on the sample preparation box, so that the chemical solvent can be mixed or diluted in the closed space, the direct contact between an operator and the toxic solvent is effectively reduced, the safety of the device is improved, meanwhile, the solvent in the sample preparation box can be rapidly introduced into the mixing reaction assembly through pressure transmission, and the contact between the operator and the solvent during solvent transfer is further reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

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

FIG. 2 is a schematic view showing the internal structure of a sample preparation cartridge according to the present utility model;

fig. 3 is an enlarged view of fig. 2 a in accordance with the present utility model.

Reference numerals in the drawings represent respectively: 1. a mixing reaction assembly; 2. a sample preparation cartridge; 3. an agitation assembly; 301. a fixed tube; 302. an elastic air bag; 303. the square tube is communicated; 304. a flexible square tube; 305. an elastic sheet; 306. a pressure relief tube; 307. rotating the iron pipe; 308. a liquid suction hopper; 309. an air inlet pipe; 4. a cover plate; 5. butterfly valve; 6. a communicating pipe; 7. a sliding plate; 8. and (3) a magnet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. 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.

The utility model is further described below with reference to examples.

Examples:

the utility model provides an experimental sample preparation instrument, including mixing reaction module 1 and connect a plurality of sample preparation boxes 2 near mixing reaction module 1, when preparing experimental sample, can react experimental medicine in sample preparation box 2, then put a plurality of reactants in a plurality of sample preparation boxes 2 into mixing reaction module 1 again and mix, because mixing reaction module 1 can be a plurality of containers, adopt the mode of stirring various and the technology is mature, simultaneously belong to the content that can know of skilled in the art, therefore do not limit mixing reaction module 1's specific shape and container type, not too much here, the sample preparation box 2 is half-cylindrical form, fixedly mounted with stirring subassembly 3 on the sample preparation box 2, fixedly connected with communicating pipe 6 between stirring subassembly 3 and the mixing reaction module 1 and with mixing reaction module 2 through communicating pipe 6, articulated apron 4 on the roof of sample preparation box 2;

wherein, stirring subassembly 3 is including running through the fixed pipe 301 of installing at sample preparation box 2 top, the top fixed mounting of fixed pipe 301 has elastic air bag 302, two intercommunication square pipe 303 are run through to the bottom of elastic air bag 302, two the equal fixedly connected with flexible square pipe 304 of bottom of intercommunication square pipe 303, two all fixedly connected with elastic sheet 305 jointly between the top inner wall of flexible square pipe 304 and sample preparation box 2, two both sides of flexible square pipe 304 all are connected with through the pivot rotation and rotate iron pipe 307, the tip of flexible square pipe 304 runs through and installs pressure release pipe 306.

Specifically, in fig. 1 to 3, an air inlet pipe 309 is installed on one side of the elastic air bag 302, a one-way valve is installed in the air inlet pipe 309, and a butterfly valve 5 is installed between the elastic air bag 302 and the communicating pipe 6.

The user can open hinged cover plate 4, then add experimental medicine to sample preparation box 2, close cover plate 4 again, then carry out chemical reaction in sample preparation box 2, perhaps will need mix liquid and place in sample preparation box 2, then press elastic air bag 302, pass through in the flexible square pipe 304 with the gas in the elastic air bag 302, make originally in the flexible square pipe 304 of horizontality produce the air current, and this part vertical downward air current can strike on the lateral wall of flexible square pipe 304, make flexible square pipe 304 rotate towards vertical direction, in this process, elastic sheet 305 is crooked, and rotate iron pipe 307 and roll on the diapire that sample preparation box 2 is crooked, utilize flexible square pipe 304 and rotate iron pipe 307 to stir the mixture to the inside liquid of sample preparation box 2, and then realized the chemical reaction in the airtight space, the direct contact of operating personnel and medicine has effectively been reduced the danger in the reaction process.

It should be noted that when the elastic air bag 302 needs to act on the flexible square tube 304, the butterfly valve 5 closes the communicating tube 6 to block the communication between the sample preparation cartridge 2 and the mixed reaction module 1, and the gas in the elastic air bag 302 cannot pass through the communicating tube 6 and can only act on the flexible square tube 304 downwards, then when the elastic air bag 302 recovers its shape, the air is introduced by the air inlet tube 309 and can only be introduced by the air inlet tube 309, and at the same time, the air flow in the flexible square tube 304 is discharged outwards slowly through the pressure release tube 306, and then the flexible square tube 304 is driven to reset by the elasticity of the elastic sheet 305.

Specifically, in fig. 1 to 3, the two side plates of the sample preparation cartridge 2 are slidably provided with sliding plates 7, and a magnet 8 is fixedly connected between the two sliding plates 7, and the magnet 8 can generate magnetic attraction to the rotating iron pipe 307.

Specifically, in fig. 1 to 3, a liquid suction hopper 308 is fixedly mounted at the outer end of the pressure release tube 306.

After the reaction in the sample preparation box 2 is finished, or after the mixing and rolling in the sample preparation box 2 are finished, the elastic air bag 302 is pressed once, the flexible square tube 304 is pushed to a vertical state, then the sliding plate 7 is rotated to the bottom position of the sample preparation box 2, the position of the rotating iron tube 307 is fixed in the vertical state by utilizing the magnetic attraction of the magnet 8 to the rotating iron tube 307, then the butterfly valve 5 is opened, so that the sample preparation box 2 is communicated with the mixing reaction assembly 1, then the elastic air bag 302 is pressed, the air in the elastic air bag 302 runs out at two ends, at the moment, the inside of the sample preparation box 2 is internally blown with the air through the elastic air bag 302 for a plurality of times, so that the air flow can enter the flexible square tube 304 through the liquid suction hopper 308 when the air flow passes through the communicating tube 6, the liquid can be pressed into the flexible square tube 304 by the air pressure, and flows upwards along the communicating square tube 303, and the liquid continuously flows into the mixing reaction assembly 1 through the communicating tube 6 under the action of the air pressure, thereby realizing contactless transfer of compounds, further reducing the contact between operators and the toxic experiment solution, and effectively reducing the dangerous contact in the sample preparation process.

Working principle: the user can open hinged cover plate 4, then add experimental medicine to sample preparation box 2, close cover plate 4 again, then carry out chemical reaction in sample preparation box 2, perhaps will need mix liquid and place in sample preparation box 2, then press elastic air bag 302, pass through in the flexible square pipe 304 with the gas in the elastic air bag 302, make originally in the flexible square pipe 304 of horizontality produce the air current, and this part vertical downward air current can strike on the lateral wall of flexible square pipe 304, make flexible square pipe 304 rotate towards vertical direction, in this process, elastic sheet 305 is crooked, and rotate iron pipe 307 and roll on the diapire that sample preparation box 2 is crooked, utilize flexible square pipe 304 and rotate iron pipe 307 to stir the mixture to the inside liquid of sample preparation box 2, and then realized the chemical reaction in the airtight space, the direct contact of operating personnel and medicine has effectively been reduced the danger in the reaction process.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The experimental sample preparation tool comprises a mixed reaction component (1) and a plurality of sample preparation boxes (2) connected near the mixed reaction component (1), and is characterized in that the sample preparation boxes (2) are semi-cylindrical, an agitating component (3) is fixedly arranged on each sample preparation box (2), a communicating pipe (6) is fixedly connected between each agitating component (3) and the mixed reaction component (1) and is used for communicating the mixed reaction component (1) with the sample preparation boxes (2) through the communicating pipe (6), and a cover plate (4) is hinged on a top plate of each sample preparation box (2);

wherein, stirring subassembly (3) is including running through fixed pipe (301) of installing at sample preparation box (2) top, the top fixed mounting of fixed pipe (301) has elastic air bag (302), two intercommunication side's pipe (303) are run through to the bottom of elastic air bag (302), two the equal fixedly connected with flexible side's pipe (304) of bottom of intercommunication side's pipe (303), two equal fixedly connected with elastic sheet (305) between the top inner wall of flexible side's pipe (304) and sample preparation box (2), two both sides of flexible side's pipe (304) are all rotated through the pivot and are connected with rotation iron pipe (307), pressure release pipe (306) are run through to the tip of flexible side's pipe (304).

2. The experimental sample preparation tool according to claim 1, wherein an air inlet pipe (309) is installed on one side of the elastic air bag (302) in a penetrating way, a one-way valve is installed in the air inlet pipe (309), and a butterfly valve (5) is installed between the elastic air bag (302) and the communicating pipe (6).

3. An experimental sample preparation tool according to claim 2, wherein sliding plates (7) are slidably mounted on both side plates of the sample preparation box (2), a magnet (8) is fixedly connected between the two sliding plates (7), and the magnet (8) can generate magnetic attraction force on the rotary iron pipe (307).

4. A tool for preparing an experimental sample according to claim 3, characterized in that the outer end of the pressure release tube (306) is fixedly provided with a liquid suction hopper (308).