CN220626297U

CN220626297U - Chemical titration device

Info

Publication number: CN220626297U
Application number: CN202321861356.5U
Authority: CN
Inventors: 李建鸿; 蒲俊兵; 张陶; 刘�文; 于奭; 肖琼
Original assignee: Institute of Karst Geology of CAGS
Current assignee: Institute of Karst Geology of CAGS
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-03-19
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a chemical titration device which comprises a workbench, a burette and a test container, wherein a screw is rotationally connected to the workbench, an optical axis is fixedly connected to the workbench, an adjusting mechanism is arranged on the screw and the optical axis, the adjusting mechanism comprises a buckle for adjusting the installation position of the burette, the burette is placed on the buckle, a cavity is arranged in the workbench, and a driving motor is fixedly arranged in the cavity.

Description

Chemical titration device

Technical Field

The utility model relates to the technical field of chemical titration, in particular to a chemical titration device.

Background

Titration is a quantitative analysis means and also a chemical experiment 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 calculation and analysis results are calculated and analyzed, so that a titration test device is very characterized, and the types of devices for titration tests such as calcium and bicarbonate are quite large according to the differences of chemical experiments;

the existing chemical titration test device for calcium and bicarbonate has certain defects when in use, a tester is required to manually titrate, the arm pain of the tester can be caused by long-time test operation, and the test liquid can drop out of a test tube when the tester is manually held by a burette, so that the waste of the test liquid is caused, and the titrated test liquid amount is not easy to control;

to this end, we devised a chemical titration apparatus.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a chemical titration test device has certain defects when in use, a tester is required to manually titrate, the arm of the tester is painful due to long-time test operation, and the test liquid is wasted due to the fact that the test liquid drops out of a test tube when the tester is manually held by a burette, and the titrated test liquid amount is not easy to control.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a chemistry titration apparatus, includes workstation, buret and test container, it is connected with the screw rod to rotate on the workstation, fixedly connected with optical axis on the workstation, be equipped with adjustment mechanism on screw rod and the optical axis, adjustment mechanism is including the buckle that is used for adjusting buret mounted position, the buret is placed on the buckle, be equipped with the cavity in the workstation, fixed mounting has driving motor in the cavity, driving motor's the coaxial fixedly connected with rotation platform of output, be equipped with clamping fixture on the rotation platform, clamping fixture includes a pair of clamping ring that is used for the fixed test container of centre gripping.

Preferably, the adjusting mechanism further comprises:

the movable nut block moves on the screw rod and the optical axis, and the electric push rod is fixedly connected with the side wall of the movable nut block;

the electric push rod comprises a connecting piece and a locking screw, wherein the output end of the electric push rod is fixedly connected with the connecting piece, and the connecting piece is provided with a buckle through the locking screw.

Preferably, the movable nut block is provided with a threaded hole and a round hole corresponding to the screw rod and the optical axis respectively.

Preferably, one end of the screw far away from the workbench is coaxially and fixedly connected with a first knob.

Preferably, a chute is formed in the rotating table, and the test container is placed on the rotating table.

Preferably, the clamping and fixing mechanism further comprises:

the positive and negative screw rod and the second knob are coaxially and fixedly connected;

the pair of sliders are symmetrically arranged in the sliding groove, the pair of sliders are provided with threaded holes corresponding to the positive and negative screw threads, the pair of sliders are fixedly connected with the pair of clamping rings respectively, and the test container is placed between the pair of clamping rings.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the first knob is rotated to conveniently adjust the height between the burette and the test container, the electric push rod is matched to conveniently adapt the burette and the test container with different specifications, the burette is arranged on the clamping buckle, and the locking screw is rotated to conveniently adjust the installation angle of the burette, so that the operation is simple and convenient.

2. According to the utility model, the test containers with different specifications are clamped and fixed by relatively moving the pair of clamping rings in the chute, and the output end of the driving motor drives the rotating table to rotate, so that carbonic acid dropped out of the burette can react with test materials in the test container fully.

Drawings

FIG. 1 is a schematic diagram of a chemical titration apparatus according to the present utility model;

FIG. 2 is a front view of a chemical titration apparatus in accordance with the present utility model;

FIG. 3 is a schematic diagram of a chemical titration apparatus according to the present utility model.

In the figure: 1. a work table; 2. a screw; 3. a first knob; 4. an optical axis; 5. moving the nut block; 6. an electric push rod; 7. a connecting piece; 8. a buckle; 9. locking a screw; 10. a burette; 11. a rotating table; 12. a test vessel; 13. a positive and negative screw rod; 14. a second knob; 15. a slide block; 16. a clamping ring; 17. and driving the motor.

Detailed Description

Referring to fig. 1-3, a chemical titration apparatus comprises a workbench 1, a burette 10 and a test container 12, wherein a screw rod 2 is rotatably connected to the workbench 1, an optical axis 4 is fixedly connected to the workbench 1, and adjusting mechanisms are arranged on the screw rod 2 and the optical axis 4 and used for adjusting the installation height or the installation angle of the burette 10;

the adjusting mechanism comprises a buckle 8 for adjusting the installation position of the burette 10, the adjusting mechanism further comprises a movable nut block 5 and an electric push rod 6, the movable nut block 5 moves on the screw rod 2 and the optical axis 4, the electric push rod 6 is fixedly connected with the side wall of the movable nut block 5, a connecting piece 7 and a locking screw 9, the output end of the electric push rod 6 is fixedly connected with the connecting piece 7, the connecting piece 7 is clamped with the buckle 8 through the locking screw 9, the height between the burette 10 and a test container 12 is convenient to adjust by rotating the first knob 3, the burette 10 and the test container 12 of different specifications are convenient to adapt through the cooperation of the electric push rod 6, and the burette 10 is convenient to adjust the installation angle of the burette 10 by rotating the locking screw 9, so that the operation is simple and convenient.

Referring to fig. 1 and 3, a burette 10 is placed on a buckle 8, a cavity is arranged in a workbench 1, a driving motor 17 is fixedly installed in the cavity, an output end of the driving motor 17 is coaxially and fixedly connected with a rotating table 11, a clamping and fixing mechanism is arranged on the rotating table 11 and used for clamping and fixing a test container 12;

the clamping and fixing mechanism comprises a pair of clamping rings 16 used for clamping and fixing the test container 12, the clamping and fixing mechanism further comprises a positive and negative screw rod 13 and a second knob 14, the positive and negative screw rod 13 is placed in the chute, the positive and negative screw rod 13 is fixedly connected with the second knob 14 coaxially, a pair of sliding blocks 15 are symmetrically arranged in the chute, the pair of sliding blocks 15 are correspondingly provided with threaded holes corresponding to the positive and negative screw rod 13 in a threaded mode, the pair of sliding blocks 15 are respectively fixedly connected with the pair of clamping rings 16, the test container 12 is placed between the pair of clamping rings 16, and the effect of the arrangement is that the pair of sliding blocks 15 on the positive and negative screw rod 13 drive the pair of clamping rings 16 to relatively move in the chute through rotating the second knob 14 so as to realize clamping and fixing the test containers 12 with different specifications, and the output end of the driving motor 17 drives the rotating table 11 to rotate so that carbonic acid dropped out from the buret 10 can fully react with test materials in the test container 12.

Referring to fig. 1 and 2, a threaded hole and a round hole are formed in the moving nut block 5 corresponding to the screw rod 2 and the optical axis 4, the first knob 3 is coaxially and fixedly connected to one end, away from the workbench 1, of the screw rod 2, and the effect of the arrangement is that the first knob 3 is conveniently guaranteed to be rotated, and the moving nut block 5 moves up and down on the screw rod 2 and the optical axis 4 when the screw rod 2 rotates.

Referring to fig. 1 and 3, a chute is formed on the rotating table 11, and the test container 12 is placed on the rotating table 11, so that the test containers 12 with different specifications are clamped and fixed by rotating the second knob 14 to drive the pair of sliders 15 on the front and back screw rods 13 to drive the pair of clamping rings 16 to move relatively in the chute.

The working principle of the utility model is as follows:

firstly, the first knob 3 is convenient to adjust the height between the buret 10 and the test container 12, the buret 10 and the test container 12 with different specifications are convenient to adapt through the cooperation of the electric push rod 6, and the buret 10 is installed and placed on the buckle 8, the installation angle of the buret 10 is convenient to adjust through the rotation of the locking screw 9, the operation is simple and convenient, the pair of sliding blocks 15 on the positive and negative screw rod 13 are driven to relatively move in the sliding groove through the rotation of the second knob 14, the test container 12 with different specifications is clamped and fixed, the rotary table 11 is driven to rotate through the output end of the driving motor 17, and carbonic acid dropped out by the buret 10 is convenient to fully react with test materials in the test container 12.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a chemistry titration device, includes workstation (1), buret (10) and test container (12), its characterized in that, rotate on workstation (1) and be connected with screw rod (2), fixedly connected with optical axis (4) on workstation (1), be equipped with adjustment mechanism on screw rod (2) and optical axis (4), adjustment mechanism is including buckle (8) that are used for adjusting buret (10) mounted position, buret (10) are placed on buckle (8), be equipped with the cavity in workstation (1), fixed mounting has driving motor (17) in the cavity, the coaxial fixedly connected with revolving stage (11) of output of driving motor (17), be equipped with clamping fixture on revolving stage (11), clamping fixture includes clamping ring (16) that are used for the fixed test container (12) of centre gripping.

2. The chemical titration apparatus of claim 1, wherein the adjustment mechanism further comprises:

the device comprises a movable nut block (5) and an electric push rod (6), wherein the movable nut block (5) moves on a screw rod (2) and an optical axis (4), and the electric push rod (6) is fixedly connected with the side wall of the movable nut block (5);

the electric push rod comprises a connecting piece (7) and a locking screw (9), wherein the output end of the electric push rod (6) is fixedly connected with the connecting piece (7), and the connecting piece (7) is clamped with a buckle (8) through the locking screw (9).

3. A chemical titration apparatus according to claim 2, wherein the movable nut block (5) is provided with a threaded hole and a circular hole corresponding to the screw (2) and the optical axis (4), respectively.

4. A chemical titration apparatus according to claim 1, wherein the end of the screw (2) remote from the table (1) is fixedly connected with a first knob (3) coaxially.

5. A chemical titration apparatus according to claim 1, wherein the rotating table (11) is provided with a chute, and the test container (12) is placed on the rotating table (11).

6. The chemical titration apparatus of claim 5, wherein the clamp fixture further comprises:

the positive and negative screw rod (13) and the second knob (14), wherein the positive and negative screw rod (13) is placed in the chute, and the positive and negative screw rod (13) is coaxially and fixedly connected with the second knob (14);

the pair of sliding blocks (15), the pair of sliding blocks (15) are symmetrically arranged in the sliding groove, the pair of sliding blocks (15) are correspondingly provided with threaded holes corresponding to the positive and negative screw rods (13) in a threaded mode, the pair of sliding blocks (15) are fixedly connected with the pair of clamping rings (16) respectively, and the test container (12) is placed between the pair of clamping rings (16).