CN219997001U - Multicavity multi-control burette - Google Patents
Multicavity multi-control burette Download PDFInfo
- Publication number
- CN219997001U CN219997001U CN202320782921.2U CN202320782921U CN219997001U CN 219997001 U CN219997001 U CN 219997001U CN 202320782921 U CN202320782921 U CN 202320782921U CN 219997001 U CN219997001 U CN 219997001U
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- vertical
- pipe
- burette
- arc
- round
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- 239000011521 glass Substances 0.000 claims description 56
- 239000002253 acid Substances 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract description 22
- 239000002585 base Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a multi-cavity multi-control burette, which comprises two burettes and a base, wherein a vertical rod is arranged on the base, the two burettes are respectively arranged on the vertical rod through an adjusting device, and the adjusting device comprises a round sleeve, a supporting plate and an arc-shaped clamping plate; the round sleeve is sleeved on the vertical rod, and the supporting plate is installed on the round sleeve. The arc-shaped clamping plates clamp the burette, the arc-shaped clamping plates can be finely adjusted and clamped according to the diameter of the burette, and the round sleeve can rotate on the vertical rod, so that two burettes can add standard liquid into the same container for acid-base debugging, and corresponding standard liquids can be respectively dripped into different containers for debugging; the standpipe on the beaker contacts on the circular tube, then the cannula passes the circular tube and inserts into the buret, the valve on the standpipe is opened, standard liquid in the beaker is discharged into the buret for use through the standpipe and the cannula, and when the standard liquid is required to be added into the buret, the valve is opened, and the beaker can directly add the standard liquid into the buret.
Description
Technical Field
The utility model relates to the technical field of burettes, in particular to a multi-cavity multi-control burette.
Background
Burettes are the primary measuring devices used in titrimetry and can be divided into two types: the other is an acid buret, the acid buret is used for containing acid solution, a glass piston is arranged at the lower end of the acid buret, the alkali buret is used for containing alkaline solution, the lower end of the acid buret is connected with a rubber tube, glass beads are placed in the rubber tube to control the solution to flow out, and the current acid-base buret is fixed on a supporting seat through a claw, so that the acid-base buret and the alkaline buret are inconvenient to rotate and adjust in position, and are inconvenient to adjust to the solvent of the same container by dripping acid-base solution.
Disclosure of Invention
The utility model aims to provide a multi-cavity multi-control burette.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the multi-cavity multi-control burette comprises two burettes and a base, wherein a vertical rod is arranged on the base, the two burettes are respectively arranged on the vertical rod through an adjusting device, and the adjusting device comprises a circular sleeve, a supporting plate and an arc-shaped clamping plate;
the round sleeve is sleeved on the vertical rod, the supporting plate is arranged on the round sleeve, the arc-shaped clamping plate is arranged on the supporting plate, and the arc-shaped clamping plate clamps the burette.
Preferably, the burette is divided into an acid burette and a basic burette, and the acid burette and the basic burette are composed of a vertical glass tube, a control valve and a sharp-mouth glass tube;
the control valve is arranged on the vertical glass tube, the sharp-mouth glass tube is arranged below the control valve, and the arc-shaped clamping plate clamps the vertical glass tube.
Preferably, each of said vertical glass tubes is provided with an adding device;
the adding device comprises a beaker, a vertical pipe, a valve, a cannula, a circular pipe and a U-shaped port;
the beaker is provided with a round opening, the vertical pipe is arranged in the round opening, the valve is arranged in the vertical pipe, the insertion pipe is arranged on the vertical pipe, the round pipe is arranged on the vertical glass pipe, the U-shaped openings are formed in the round pipe, the number of the U-shaped openings is not less than four, and the U-shaped openings are distributed on the round pipe at equal intervals in an annular mode.
Preferably, the arc-shaped clamping plates are internally provided with two elastic structures, the elastic structures are symmetrically distributed on two sides by taking the central line of the arc-shaped clamping plates as the center, and each elastic structure comprises a groove, a spring and a ball;
the groove is formed in the arc-shaped clamping plate, the spring is installed in the groove, and the ball is installed on the spring.
Preferably, the round sleeve is limited on the vertical rod through a fixing device, and the fixing device comprises a threaded hole, a threaded rod and a handle;
the threaded hole is formed in the round sleeve, the threaded rod is sleeved in the threaded hole, and the handle is arranged on the threaded rod.
Preferably, a connecting pipe is arranged on the vertical glass pipe, and the control valve is arranged on the connecting pipe.
Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the multi-cavity multi-control burette has the following advantages:
1. the arc-shaped clamping plates clamp the burette, the arc-shaped clamping plates can be finely adjusted and clamped according to the diameter of the burette, and the round sleeve can rotate on the vertical rod, so that two burettes can add standard liquid into the same container for acid-base debugging, and corresponding standard liquids can be respectively dripped into different containers for debugging;
2. the standpipe on the beaker contacts on the circular tube, then the cannula passes the circular tube and inserts into the buret, the valve on the standpipe is opened, standard liquid in the beaker is discharged into the buret for use through the standpipe and the cannula, and when the standard liquid is required to be added into the buret, the valve is opened, and the beaker can directly add the standard liquid into the buret.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the configuration of the groove, spring and ball of FIG. 1;
FIG. 3 is a schematic diagram of the structure of FIG. 1A;
fig. 4 is a schematic structural diagram of B in fig. 1.
In the figure: 1. vertical glass tube, 2, connecting tube, 3, control valve, 4, adding device, 401, beaker, 402, standpipe, 403, valve, 404, cannula, 405, round tube, 406, U-shaped mouth, 5, sharp-mouth glass tube, 6, base, 7, vertical rod, 8, round sleeve, 9, supporting plate, 10, arc clamping plate, 11, fixing device, 12, threaded hole, 13, threaded rod, 14, handle, 15, elastic structure, 16, groove, 17, spring, 18, ball.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-4, the present utility model provides a technical solution: a multi-cavity multi-control burette comprises two burettes and a base 6, wherein the two burettes are respectively arranged on a vertical rod 7 through an adjusting device, and the adjusting device comprises a round sleeve 8, a supporting plate 9 and an arc-shaped clamping plate 10;
the circle cover 8 overlaps on montant 7, and the frictional force between circle cover 8 and the montant 7 is great, and backup pad 9 is installed on circle cover 8, and arc splint 10 is installed on backup pad 9, and arc splint 10 adopts soft plastics material to make, and arc splint 10 centre gripping buret, arc splint 10 can finely tune and centre gripping according to buret diameter size, and circle cover 8 can rotate on montant 7, can make two burets add standard liquid in to same container, carries out acid-base adjustment, also can drip standard liquid in to the container respectively.
The burette is divided into an acid burette and a basic burette, and the acid burette and the basic burette are composed of a vertical glass tube 1, a control valve 3 and a sharp-mouth glass tube 5;
the control valve 3 is arranged on the vertical glass tube 1, the control valve 3 is made of acid and alkali resistant materials, the sharp-mouth glass tube 5 is arranged below the control valve 3, the arc-shaped clamping plate 10 clamps the vertical glass tube 1, the connecting tube 2 is arranged on the vertical glass tube 1, the control valve 3 is arranged on the connecting tube 2, the control valve 3 is opened, and standard liquid in the vertical glass tube 1 is discharged through the sharp-mouth glass tube 5 through the connecting tube 2 and the control valve 3.
Each vertical glass tube 1 is provided with an adding device 4;
the adding device 4 comprises a beaker 401, a vertical pipe 402, a valve 403, a cannula 404, a circular pipe 405 and a U-shaped opening 406;
the beaker 401 is provided with round openings, the vertical pipe 402 is arranged in the round openings, the valve 403 is arranged in the vertical pipe 402, the insertion pipe 404 is arranged on the vertical pipe 402, the round pipe 405 is arranged on the vertical glass pipe 1, the vertical pipe 402 on the beaker 401 is contacted with the round pipe 405, the insertion pipe 404 penetrates through the round pipe 405 and is inserted into the vertical glass pipe 1, the U-shaped openings 406 are arranged on the round pipe 405, the number of the U-shaped openings 406 is not less than four, the U-shaped openings 406 are distributed on the round pipe 405 at equal intervals in a ring shape, external standard liquid is stored in the beaker 401, the valve 403 on the vertical pipe 402 is opened, standard liquid in the beaker 401 is discharged into the vertical glass pipe 1 through the vertical pipe 402 and the insertion pipe 404, after a proper scale value is reached, the valve 403 is closed, and when the standard liquid is required to be added into the vertical glass pipe 1, the valve 403 is opened, and the beaker 401 can directly add the standard liquid into the vertical glass pipe 1.
The arc-shaped clamping plate 10 is internally provided with two elastic structures 15, the elastic structures 15 are symmetrically distributed on two sides by taking the central line of the arc-shaped clamping plate 10 as the center, and the elastic structures 15 comprise grooves 16, springs 17 and balls 18;
the groove 16 is formed in the arc-shaped clamping plate 10, the spring 17 is arranged in the groove 16, the ball 18 is arranged on the spring 17, when the vertical glass tube 1 is clamped into the arc-shaped clamping plate 10, the spring 17 applies inward force to the ball 18, and the ball 18 abuts against the vertical glass tube 1, so that the vertical glass tube 1 is fixed in the arc-shaped clamping plate 10 and is stable and prevented from falling off.
The round sleeve 8 is limited on the vertical rod 7 through a fixing device 11, and the fixing device comprises a threaded hole 12, a threaded rod 13 and a handle 14;
threaded hole 12 is offered on circle cover 8, and threaded rod 13 cup joints in threaded hole 12, and handle 14 is installed on threaded rod 13, rotates handle 14 and drives threaded rod 13 rotation, and it is inboard to remove in threaded hole 12, and threaded rod 13 supports tightly on montant 7, makes circle cover 8 fix on montant 7, the height of vertical glass pipe 1 after the fixed adjustment.
When the multi-cavity multi-control burette is used, firstly, the vertical glass tube 1 is clamped into the arc-shaped clamping plate 10, the arc-shaped clamping plate 10 can finely adjust and clamp according to the diameter of the vertical glass tube 1, the spring 17 provides an inward force for the round ball 18, the round ball 18 is abutted against the vertical glass tube 1, the vertical glass tube 1 is fixed in the arc-shaped clamping plate 10 and is stable, the round sleeve 8 is prevented from falling off, the round sleeve 8 moves up and down on the vertical rod 7, the vertical glass tube 1 is adjusted to be at a high-low position, meanwhile, the round sleeve 8 can rotate on the vertical rod 7, two vertical glass tubes 1 can be gathered in the same container, standard liquid can be added into the container, acid-base debugging is carried out, standard liquid can be respectively dripped into the container, after adjustment, the rotary handle 14 drives the threaded rod 13 to rotate in the threaded hole 12, the threaded rod 13 abuts against the vertical rod 7, the round sleeve 8 is fixed on the vertical rod 7, the position of the vertical glass tube 1 after adjustment is fixed, the vertical tube 402 contacts the vertical tube 401 on the round sleeve 405, the round sleeve 404 is inserted into the vertical glass tube 1 through the round tube 405, the vertical glass tube 6, the two vertical glass tubes 403 can be placed in the same container, the two vertical glass tubes 403 can be directly placed in the container, the vertical glass tube 401 can be directly opened, the standard liquid can be directly put into the vertical tube 401, and the standard liquid can be directly put into the glass tube 401, and the standard glass tube 401 can be directly placed into the container, and the standard glass tube 401, and the standard liquid can be directly put into the standard glass tube 401, and can be directly put into the standard glass tube 401 into the bottle and be directly into the container and can be directly and opened by the standard glass bottle and can be stored and can be directly and filled.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a multicavity accuse buret, includes two burets and base (6), its characterized in that: the base (6) is provided with a vertical rod (7), two burettes are respectively arranged on the vertical rod (7) through an adjusting device, and the adjusting device comprises a round sleeve (8), a supporting plate (9) and an arc clamping plate (10);
the round sleeve (8) is sleeved on the vertical rod (7), the supporting plate (9) is arranged on the round sleeve (8), the arc-shaped clamping plate (10) is arranged on the supporting plate (9), and the arc-shaped clamping plate (10) clamps the burette;
the burette is divided into an acid burette and a basic burette, and the acid burette and the basic burette are composed of a vertical glass tube (1), a control valve (3) and a sharp-mouth glass tube (5);
the control valve (3) is arranged on the vertical glass tube (1), the sharp-mouth glass tube (5) is arranged below the control valve (3), and the arc-shaped clamping plate (10) clamps the vertical glass tube (1);
each vertical glass tube (1) is provided with an adding device (4);
the adding device (4) comprises a beaker (401), a vertical pipe (402), a valve (403), a cannula (404), a circular pipe (405) and a U-shaped opening (406);
the beaker (401) is provided with a round opening, the vertical pipe (402) is arranged in the round opening, the valve (403) is arranged in the vertical pipe (402), the insertion pipe (404) is arranged on the vertical pipe (402), the round pipe (405) is arranged on the vertical glass pipe (1), the U-shaped openings (406) are formed in the round pipe (405), the number of the U-shaped openings (406) is not less than four, and the U-shaped openings (406) are distributed on the round pipe (405) at equal intervals in a ring shape.
2. A multi-lumen, multi-control burette as set forth in claim 1 wherein: elastic structures (15) are arranged in the arc-shaped clamping plate (10), the number of the elastic structures (15) is two, the elastic structures (15) are symmetrically distributed on two sides by taking the central line of the arc-shaped clamping plate (10) as the center, and the elastic structures (15) comprise grooves (16), springs (17) and balls (18);
the groove (16) is formed in the arc-shaped clamping plate (10), the spring (17) is installed in the groove (16), and the ball (18) is installed on the spring (17).
3. A multi-lumen, multi-control burette as set forth in claim 1 wherein: the round sleeve (8) is limited on the vertical rod (7) through a fixing device (11), and the fixing device comprises a threaded hole (12), a threaded rod (13) and a handle (14);
the threaded hole (12) is formed in the round sleeve (8), the threaded rod (13) is sleeved in the threaded hole (12), and the handle (14) is mounted on the threaded rod (13).
4. A multi-lumen, multi-control burette as set forth in claim 1 wherein: the connecting pipe (2) is arranged on the vertical glass pipe (1), and the control valve (3) is arranged on the connecting pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320782921.2U CN219997001U (en) | 2023-04-11 | 2023-04-11 | Multicavity multi-control burette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320782921.2U CN219997001U (en) | 2023-04-11 | 2023-04-11 | Multicavity multi-control burette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219997001U true CN219997001U (en) | 2023-11-10 |
Family
ID=88616222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320782921.2U Active CN219997001U (en) | 2023-04-11 | 2023-04-11 | Multicavity multi-control burette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219997001U (en) |
-
2023
- 2023-04-11 CN CN202320782921.2U patent/CN219997001U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |