CN219334253U

CN219334253U - Reagent dripping device for chemical experiment

Info

Publication number: CN219334253U
Application number: CN202320420556.0U
Authority: CN
Inventors: 费菲
Original assignee: Shaanxi Xueqian Normal University
Current assignee: Shaanxi Xueqian Normal University
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-07-14
Anticipated expiration: 2033-03-08

Abstract

The utility model discloses a reagent dripping device for chemical experiments, and particularly relates to the technical field of reagent dripping, which comprises a base and a reaction container at the top end of the base, wherein a fixed vertical plate is fixedly arranged at the rear side of the top end of the base, a connecting support plate is fixedly arranged at the front side of the top end of the fixed vertical plate, a mounting groove is formed in one side of the connecting support plate, a transparent dripping cylinder is fixedly arranged in the mounting groove, a dripping pipe is fixedly arranged at the bottom end of the transparent dripping cylinder, a liquid adding container is fixedly arranged at the top end of the connecting support plate, and a connecting pipe is fixedly arranged at the bottom end of the liquid adding container. According to the utility model, the solution is added into the transparent dripping barrel from the liquid adding container, so that the transparent dripping barrel can be used for adding liquid in the titration process, and further, the liquid can be timely supplemented into the transparent dripping barrel, the continuous operation of a titration experiment is facilitated, the liquid adding process is simpler and more convenient, the liquid adding efficiency is higher, and the overall use effect is better.

Description

Reagent dripping device for chemical experiment

Technical Field

The utility model relates to the technical field of reagent dripping, in particular to a reagent dripping device for chemical experiments.

Background

Titration is a quantitative analysis method and also a chemical test operation, wherein the content of a solute is determined through quantitative reaction of two solutions, the end point of titration is indicated according to the color change of an indicator, then the consumption volume of a standard solution is measured, and the results of calculation and analysis are calculated and analyzed.

In the 'reagent dripping device for chemical experiments' with the patent number of 'CN 217450233U', the fixing mechanism and the heating mechanism are arranged, so that the reaction beaker can be conveniently clamped and fixed, and the solution in the beaker can be conveniently heated. But the dropwise add mechanism in this dropwise add device is difficult for adding liquid at dropwise add in-process, and after the solution inside the buret dropwise add, can not timely carry out the liquid feeding to its inside, this can influence the continuation of titration experiment and goes on, and the result of use is not enough.

Therefore, it is necessary to invent a reagent dripping device for chemical experiments to solve the above problems.

Disclosure of Invention

The utility model aims to provide a reagent dripping device for chemical experiments, which is characterized in that a solution is added into a transparent dripping barrel from a liquid adding container, so that the transparent dripping barrel can be used for adding liquid in a titration process, further, the inside of the transparent dripping barrel can be timely supplemented with liquid, the continuous implementation of the titration experiments is facilitated, the liquid adding process is simple and convenient, the liquid adding efficiency is high, and the whole using effect is good, so that the defects in the technology are overcome.

In order to achieve the above object, the present utility model provides the following technical solutions: the reagent dripping device for the chemical experiment comprises a base and a reaction container at the top end of the base, wherein a fixed vertical plate is fixedly arranged at the rear side of the top end of the base, a connecting support plate is fixedly arranged at the front side of the top end of the fixed vertical plate, a mounting groove is formed in one side of the connecting support plate, a transparent dripping cylinder is fixedly arranged in the mounting groove, a movable plug is arranged in the transparent dripping cylinder, the outer end of the movable plug is contacted with the inner wall of the transparent dripping cylinder, a push rod is fixedly arranged at the top end of the movable plug, the top end of the push rod penetrates through the top end of the transparent dripping cylinder and extends to the top of the transparent dripping cylinder, a pushing mechanism is arranged at the top end of the push rod, a dripping pipe is fixedly arranged at the bottom end of the transparent dripping cylinder, and a first valve is fixedly arranged on the dripping pipe;

the liquid adding device is characterized in that a liquid adding container is fixedly arranged at the top end of the connecting support plate, the liquid adding container is arranged at the rear side of the transparent dripping cylinder, a connecting pipe is fixedly arranged at the bottom end of the liquid adding container, one end of the connecting pipe penetrates through the top end of the connecting support plate and the bottom of the outer end of the transparent dripping cylinder and is communicated with the inside of the transparent dripping cylinder, and a second valve is fixedly arranged on the connecting pipe.

Preferably, the propelling mechanism comprises a movable connecting plate fixedly arranged at the top end of the push rod, the movable connecting plate is arranged at the front side of the liquid adding container, a threaded rod is arranged at the top end of the movable connecting plate, the bottom end of the threaded rod penetrates through the movable connecting plate and is rotationally connected with the top end of the connecting support plate, and the threaded rod is in threaded connection with the movable connecting plate so as to conveniently drive the push rod to stably move up and down.

Preferably, the top end of the threaded rod is fixedly provided with a rotating handle, and the rotating handle is arranged at the top of the movable connecting plate, so that the threaded rod is conveniently driven to rotate.

Preferably, the outer end of the transparent dripping cylinder is provided with scale marks, so that the dripping solution amount can be conveniently observed.

Preferably, arc grip blocks are arranged on two sides of the bottom of the outer end of the reaction vessel, two sliding grooves are formed in the top end of the base, sliding blocks are arranged in the sliding grooves, and the top ends of the sliding blocks are fixedly connected with the bottom ends of the arc grip blocks so as to facilitate the clamping and fixing of the reaction vessel.

Preferably, the inside dead lever that is equipped with of spout, dead lever one end runs through the slider, the dead lever outer end is equipped with the spring, the spring both ends respectively with the inside one end of spout and slider outside fixed connection, be convenient for drive slider and arc grip block and reset.

Preferably, the handle is fixedly arranged at the outer end of the arc-shaped clamping plate, so that the arc-shaped clamping plate can be pulled outwards conveniently.

In the technical scheme, the utility model has the technical effects and advantages that:

1. the push rod and the movable plug are driven to push downwards by rotating the threaded rod, so that the pushing speed and the pushing quantity are easy to control, and the pushing and liquid adding work of titration experiments is convenient to perform better;

2. the solution is added into the transparent dripping barrel from the liquid adding container, so that the transparent dripping barrel can be used for adding liquid in the titration process, and then the transparent dripping barrel can be timely used for supplementing liquid, so that the titration experiment can be conveniently and continuously carried out, the liquid adding process is simpler and more convenient, the liquid adding efficiency is higher, and the overall use effect is better;

3. the reaction vessel is fixed through the two arc clamping plates, so that the fixing process of the reaction vessel is simple and convenient, the fixing speed is high, and the fixing efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having 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 perspective sectional structure of the connecting support plate, the transparent dropping cylinder and the liquid adding container of the present utility model;

fig. 3 is a schematic perspective sectional view of the base of the present utility model.

Reference numerals illustrate:

1. a base; 2. a reaction vessel; 3. fixing a vertical plate; 4. a connecting support plate; 5. a mounting groove; 6. a transparent dripping cylinder; 7. a movable plug; 8. a push rod; 9. a dropping tube; 10. a liquid adding container; 11. a connecting pipe; 12. a movable connecting plate; 13. a threaded rod; 14. a rotating handle; 15. scale marks; 16. an arc-shaped clamping plate; 17. a chute; 18. a slide block; 19. a fixed rod; 20. a spring; 21. a handle.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a reagent dripping device for chemical experiments as shown in figures 1 and 2, which comprises a base 1 and a reaction container 2 at the top end of the base 1, wherein a fixed vertical plate 3 is fixedly arranged at the rear side of the top end of the base 1, a connecting support plate 4 is fixedly arranged at the front side of the top end of the fixed vertical plate 3, one side of the connecting support plate 4 is provided with a mounting groove 5, a transparent dripping cylinder 6 is fixedly arranged in the mounting groove 5, the outer end of the transparent dripping cylinder 6 is provided with a scale mark 15, a movable plug 7 is arranged in the transparent dripping cylinder 6, the outer end of the movable plug 7 is contacted with the inner wall of the transparent dripping cylinder 6, a push rod 8 is fixedly arranged at the top end of the movable plug 7, the top end of the push rod 8 penetrates through the top end of the transparent dripping cylinder 6 and extends to the top of the transparent dripping cylinder 6, a pushing mechanism is arranged at the top end of the push rod 8, a dripping pipe 9 is fixedly arranged at the bottom end of the transparent dripping cylinder 6, and a first valve is fixedly arranged on the dripping pipe 9;

the fixed liquid feeding container 10 that is equipped with in connection backup pad 4 top, liquid feeding container 10 establish in transparent dropwise add section of thick bamboo 6 rear side, and liquid feeding container 10 bottom mounting is equipped with connecting pipe 11, and connecting pipe 11 one end is passed connection backup pad 4 top and transparent dropwise add section of thick bamboo 6 outer end bottom and is linked together with transparent dropwise add section of thick bamboo 6 inside, fixedly on the connecting pipe 11 is equipped with the second valve.

The propelling mechanism comprises a movable connecting plate 12 fixedly arranged at the top end of the push rod 8, the movable connecting plate 12 is arranged at the front side of the liquid adding container 10, a threaded rod 13 is arranged at the top end of the movable connecting plate 12, the bottom end of the threaded rod 13 penetrates through the movable connecting plate 12 and is rotationally connected with the top end of the connecting support plate 4, the threaded rod 13 is in threaded connection with the movable connecting plate 12, a rotating handle 14 is fixedly arranged at the top end of the threaded rod 13, and the rotating handle 14 is arranged at the top end of the movable connecting plate 12.

The first valve is opened, the rotating handle 14 is rotated, the rotating handle 14 drives the threaded rod 13 to rotate, and due to the threaded connection between the threaded rod 13 and the movable connecting plate 12, the movable connecting plate 12 moves downwards along with the rotation of the threaded rod 13, the movable connecting plate 12 drives the push rod 8 to move downwards, the push rod 8 drives the movable plug 7 to move downwards, the movable plug 7 pushes the solution inside the transparent dropping tube 6 downwards, the solution is dropped into the reaction container 2 from the dropping tube 9, so that a titration experiment can be carried out, the push rod 8 and the movable plug 7 are driven to push downwards by rotating the threaded rod 13, the pushing speed and the pushing quantity are easy to control, and the liquid adding work of the titration experiment is facilitated to be better carried out.

After the solution in the transparent dripping cylinder 6 is pushed, the solution is added into the transparent dripping cylinder 10, the second valve is opened, the first valve is closed, the rotating handle 14 and the threaded rod 13 are reversely rotated, the movable connecting plate 12 drives the push rod 8 and the movable plug 7 to move upwards, the solution enters the transparent dripping cylinder 6 from the inside of the liquid adding container 10 through the connecting pipe 11, after enough solution is added into the transparent dripping cylinder 6, the second valve is closed, the first valve is opened, so that the titration can be continuously carried out, the solution is added into the transparent dripping cylinder 6 from the liquid adding container 10, the transparent dripping cylinder 6 can be subjected to liquid adding operation in the titration process, further, the liquid supplementing can be timely carried out on the inside of the transparent dripping cylinder 6, the continuous titration experiment is convenient to carry out, the liquid adding process is simpler and more convenient, the liquid adding efficiency is higher, the whole using effect is better, the embodiment particularly solves the problems that the dripping mechanism in the dripping device for chemical experiment in the prior art is not easy to liquid adding in the dripping process, and the inside of the titration cylinder can not be continuously and effectively carried out after the titration is not carried out in the titration process.

The utility model provides a reagent dripping device for chemical experiments, as shown in figures 1 and 3, wherein two sides of the bottom of the outer end of a reaction container 2 are respectively provided with an arc-shaped clamping plate 16, the top end of a base 1 is provided with two sliding grooves 17, the inside of each sliding groove 17 is provided with a sliding block 18, the top end of each sliding block 18 is fixedly connected with the bottom end of each arc-shaped clamping plate 16, the inside of each sliding groove 17 is fixedly provided with a fixing rod 19, one end of each fixing rod 19 penetrates through each sliding block 18, the outer end of each fixing rod 19 is provided with a spring 20, the two ends of each spring 20 are respectively fixedly connected with one end inside each sliding groove 17 and the outer side of each sliding block 18, and the outer end of each arc-shaped clamping plate 16 is fixedly provided with a handle 21.

When fixing reaction vessel 2, pull handle 21 outside, handle 21 drives arc grip block 16 outside motion, and arc grip block 16 drives slider 18 and compresses spring 20, puts reaction vessel 2 on the base 1 top between two arc grip blocks 16, loosens handle 21, and two sliders 18 can drive two arc grip blocks 16 under spring 20's elasticity effect and fix reaction vessel 2 bottom, fix reaction vessel 2 through two arc grip blocks 16 for reaction vessel 2's fixed process is comparatively simple and convenient, and fixed speed is faster, and fixed efficiency is higher.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a reagent dropwise add device for chemistry experiments, includes base (1) and its top reaction vessel (2), its characterized in that: the novel anti-dropping device is characterized in that a fixed vertical plate (3) is fixedly arranged on the rear side of the top end of the base (1), a connecting support plate (4) is fixedly arranged on the front side of the top end of the fixed vertical plate (3), a mounting groove (5) is formed in one side of the connecting support plate (4), a transparent dropping tube (6) is fixedly arranged in the mounting groove (5), a movable plug (7) is arranged in the transparent dropping tube (6), the outer end of the movable plug (7) is in contact with the inner wall of the transparent dropping tube (6), a push rod (8) is fixedly arranged at the top end of the movable plug (7), the top end of the push rod (8) penetrates through the top end of the transparent dropping tube (6) and extends to the top of the transparent dropping tube (6), a pushing mechanism is arranged at the top end of the push rod (8), a dropping tube (9) is fixedly arranged at the bottom end of the transparent dropping tube (6), and a first valve is fixedly arranged on the dropping tube (9).

The utility model discloses a liquid adding device, including connecting backup pad (4), transparent drip tube (6), connecting backup pad (4) top is fixed to be equipped with liquid feeding container (10), liquid feeding container (10) are established in transparent drip tube (6) rear side, liquid feeding container (10) bottom mounting is equipped with connecting pipe (11), connecting pipe (11) one end is passed connecting backup pad (4) top and transparent drip tube (6) outer end bottom and is linked together with transparent drip tube (6) inside, fixed being equipped with the second valve on connecting pipe (11).

2. The reagent dropping device for chemical experiments according to claim 1, wherein: the propelling mechanism comprises a movable connecting plate (12) fixedly arranged at the top end of the push rod (8), the movable connecting plate (12) is arranged at the front side of the liquid adding container (10), a threaded rod (13) is arranged at the top end of the movable connecting plate (12), the bottom end of the threaded rod (13) penetrates through the movable connecting plate (12) and is connected with the top end of the connecting support plate (4) in a rotating mode, and the threaded rod (13) is connected with the movable connecting plate (12) in a threaded mode.

3. A reagent dripping device for chemical experiments according to claim 2, wherein: the top end of the threaded rod (13) is fixedly provided with a rotating handle (14), and the rotating handle (14) is arranged at the top of the movable connecting plate (12).

4. The reagent dropping device for chemical experiments according to claim 1, wherein: the outer end of the transparent dripping cylinder (6) is provided with scale marks (15).

5. The reagent dropping device for chemical experiments according to claim 1, wherein: the reaction vessel is characterized in that arc-shaped clamping plates (16) are arranged on two sides of the bottom of the outer end of the reaction vessel (2), two sliding grooves (17) are formed in the top end of the base (1), sliding blocks (18) are arranged in the sliding grooves (17), and the top ends of the sliding blocks (18) are fixedly connected with the bottom ends of the arc-shaped clamping plates (16).

6. The reagent dropping device for chemical experiments according to claim 5, wherein: the sliding chute is characterized in that a fixing rod (19) is fixedly arranged inside the sliding chute (17), one end of the fixing rod (19) penetrates through the sliding block (18), a spring (20) is arranged at the outer end of the fixing rod (19), and two ends of the spring (20) are fixedly connected with one end inside the sliding chute (17) and the outer side of the sliding block (18) respectively.

7. The reagent dropping device for chemical experiments according to claim 5, wherein: the outer end of the arc-shaped clamping plate (16) is fixedly provided with a handle (21).