CN213544484U - Titration apparatus for organic chemistry experiments - Google Patents

Abstract

The utility model discloses a titration outfit for organic chemistry experiments, including bottom plate, buret, first gear and hot plate, the installation piece is installed on the top of bottom plate, first dead slot has been seted up to the inside of installation piece, and the inside of first dead slot installs first gear through the bearing, the crank is installed to the one end of first gear, the internally mounted of first dead slot has the fixed block, and installs the ratch in the outside of fixed block, first pivot is installed through the bearing in the top of installation piece, and the one end of first pivot installs the second pivot, the second gear is installed to the outer wall of first pivot, the installing frame is installed through the bearing in the outside of first pivot, and the installing frame is located the outside of fixed plate. This kind of titration outfit for organic chemistry experiments drives the fixed plate through first pivot and rotates, and then the fixed plate passes through the arc wall and drives the grip block and remove in first spout, then drives the grip block and press from both sides tightly fixedly to the beaker of different diameters size.

Description

Titration apparatus for organic chemistry experiments

Technical Field

The utility model relates to a chemistry inspection technical field specifically is a titration outfit for organic chemistry experiments.

Background

With the development of society and the advancement of science and technology, the chemical examination industry is rapidly developed, and a multifunctional titration apparatus appears in a large number of levels in the market, and the titration apparatus is a titration analysis apparatus composed of a support, a burette clamp and a beaker, and the traditional titration apparatus for organic chemistry experiments can basically meet the use requirements of people, but certain problems still exist, and the specific problems are as follows:

1. most of titration devices for organic chemistry experiments in the current market cannot clamp and fix burettes with different diameters, so that the clamping size range is small, and the requirements of diversified markets cannot be met;

2. most of titration devices for organic chemistry experiments in the market need operating personnel to rock when the solution drops in the beaker in the burette and is melted into the beaker, but the rocking strength of the operating personnel is unequal, and other containers can be collided carelessly to cause damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a titration outfit for organic chemistry experiments to solve the above-mentioned background art in propose and the problem.

In order to achieve the above object, the utility model provides a following technical scheme: a titration apparatus for organic chemistry experiments comprises a bottom plate, a burette, a first gear and a heating plate, the top end of the bottom plate is provided with an installation block, the installation block is internally provided with a first empty groove, a first gear is arranged in the first empty groove through a bearing, a crank is arranged at one end of the first gear, a fixed block is arranged in the first empty groove, and the outside of the fixed block is provided with a toothed bar, the top end of the mounting block is provided with a first rotating shaft through a bearing, and one end of the first rotating shaft is provided with a second rotating shaft, the outer wall of the first rotating shaft is provided with a second gear, the outer side of the first rotating shaft is provided with a mounting frame through a bearing, and the installing frame is located the outside of fixed plate, first spout has all been seted up to the inside of installing frame, the second spout has been seted up on the top of bottom plate, and the inside backup pad that is connected with the ratch that is provided with of second spout.

Preferably, the inside sliding tray that has seted up with fixed block assorted of ratch, the fixed block outer wall cover is equipped with the spring that is connected with the ratch, the ratch top is installed the tooth piece with first gear engaged with.

Preferably, the rack bar is kept away from one side of installation piece and is installed and rock the frame, and rocks the inside of frame and all install first rubber piece, the second dead slot has been seted up to the inside of installation piece, and the internally mounted of second dead slot has the hot plate, the heat-conducting plate is installed on the top of hot plate, and the top of heat-conducting plate is provided with the beaker.

Preferably, the box body is installed on the outer side of the first rotating shaft through a bearing, a cross groove is formed in the side wall of the inner side of the box body, a T-shaped rod matched with the second gear is arranged in the cross groove, and a spring is sleeved on the outer side of the T-shaped rod.

Preferably, a fixing plate is installed on one side, away from the second rotating shaft, of the first rotating shaft, and arc-shaped grooves are formed in the fixing plate.

Preferably, the first chute is internally provided with a clamping plate matched with the arc-shaped groove, the inner side wall of the clamping plate is provided with a second rubber block, and one end of the second rubber block is provided with a burette.

Compared with the prior art, the beneficial effects of the utility model are that: the titration apparatus for organic chemistry experiments;

1. the rack rod, the spring and the rack block are arranged, and the first gear is meshed with the rack block to move, so that the rack rod is driven to extrude and contract the spring, the shaking frame is further used for driving the beaker to shake, the solution can be effectively fused, the possibility that other containers are damaged due to the fact that an operator shakes with the hand is avoided, and the strength of the operator shaking with the hand is saved;

2. meanwhile, the device is provided with a first rotating shaft, a first sliding groove and a fixed plate, and the second rotating shaft is rotated to drive the first rotating shaft to rotate, so that the first rotating shaft drives the fixed plate to rotate, the fixed plate drives a clamping plate to move in the first sliding groove through an arc-shaped groove, and the clamping plate is driven to clamp and fix beakers with different diameters;

3. meanwhile, the device heats the heat-conducting plate by installing the beaker and the heat-conducting plate and starting the heating plate, so that the heat-conducting plate drives the beaker to heat and preserve the heat of the solution in the beaker, thereby ensuring the quality of the experiment.

Drawings

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

FIG. 2 is a schematic front sectional view of the bottom plate and the mounting block of the present invention;

FIG. 3 is a schematic top sectional view of the present invention;

FIG. 4 is a right sectional view of the mounting frame and the fixing plate of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a base plate; 2. mounting blocks; 3. a rack bar; 4. a beaker; 5. a crank; 6. a burette; 7. A clamping plate; 8. installing a frame; 9. a first rotating shaft; 10. a box body; 11. a second rotating shaft; 12. a first empty slot; 13. a first gear; 14. a spring; 15. a fixed block; 16. a sliding groove; 17. a tooth block; 18. a second empty slot; 19. a first rubber block; 20. heating plates; 21. a heat conducting plate; 22. shaking the frame; 23. a first chute; 24. a second gear; 25. a second rubber block; 26. an arc-shaped slot; 27. a fixing plate; 28. a cross groove; 29. a spring; 30. a T-shaped rod; 31. a second chute; 32. and a support plate.

Detailed Description

The technical solutions 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 the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a titration apparatus for organic chemistry experiments comprises a bottom plate 1, a burette 6, a first gear 13 and a heating plate 20, wherein an installation block 2 is installed at the top end of the bottom plate 1, a first empty groove 12 is formed in the installation block 2, the first gear 13 is installed in the first empty groove 12 through a bearing, a crank 5 is installed at one end of the first gear 13, a fixed block 15 is installed in the first empty groove 12, and a toothed bar 3 is installed on the outer side of the fixed block 15;

a sliding groove 16 matched with the fixed block 15 is formed in the toothed bar 3, a spring 14 connected with the toothed bar 3 is sleeved on the outer wall of the fixed block 15, a toothed block 17 meshed with the first gear 13 is mounted at the top end of the toothed bar 3, the first gear 13 is driven to be meshed with the toothed block 17 by rotating the crank 5, so that the toothed block 17 drives the toothed bar 3 to extrude the spring 14 to shrink, and a first rubber block 19 in the shaking frame 22 is driven to be in contact with the beaker 4, so that the beaker 4 can be shaken;

a shaking frame 22 is arranged on one side, away from the mounting block 2, of the toothed bar 3, a first rubber block 19 is arranged inside the shaking frame 22, a second empty groove 18 is formed inside the mounting block 2, a heating plate 20 is arranged inside the second empty groove 18, a heat conducting plate 21 is arranged at the top end of the heating plate 20, a beaker 4 is arranged at the top end of the heat conducting plate 21, and the heat conducting plate 21 is subjected to heat transfer by starting the heating plate 20, so that the beaker 4 can be driven to conduct heat transfer;

the top end of the mounting block 2 is provided with a first rotating shaft 9 through a bearing;

the box body 10 is mounted on the outer side of the first rotating shaft 9 through a bearing, a cross groove 28 is formed in the side wall of the inner side of the box body 10, a T-shaped rod 30 matched with the second gear 24 is arranged inside the cross groove 28, a spring 29 is sleeved on the outer side of the T-shaped rod 30, and the T-shaped rod 30 is pulled to be separated from the second gear 24, so that the spring 29 is contracted in the cross groove 28, and the distance of the clamping plate 7 can be conveniently adjusted;

a fixing plate 27 is mounted on one side, away from the second rotating shaft 11, of the first rotating shaft 9, arc-shaped grooves 26 are formed in the fixing plate 27, the fixing plate 27 is driven to rotate through the first rotating shaft 9, so that the fixing plate 27 drives the clamping plate 7 to move through the arc-shaped grooves 26, and the structure is convenient for an operator to adjust the distance of the clamping plate 7;

a second rotating shaft 11 is mounted at one end of the first rotating shaft 9, a second gear 24 is mounted on the outer wall of the first rotating shaft 9, a mounting frame 8 is mounted on the outer side of the first rotating shaft 9 through a bearing, the mounting frame 8 is located on the outer side of the fixing plate 27, and first sliding grooves 23 are formed in the mounting frame 8;

a clamping plate 7 matched with the arc-shaped groove 26 is arranged in the first sliding groove 23, a second rubber block 25 is arranged on the inner side wall of the clamping plate 7, one end of the second rubber block 25 is provided with a burette 6, and when the clamping plate 7 slides in the first sliding groove 23, the distance between the clamping plates 7 can be adjusted;

the top end of the bottom plate 1 is provided with a second sliding chute 31, and a supporting plate 32 connected with the rack bar 3 is arranged inside the second sliding chute 31.

The working principle is as follows: when the titration apparatus for organic chemistry experiments is used, an external power supply is firstly switched on, an operator holds and pulls the T-shaped rod 30 to be not in contact with the second gear 24 by hand, so that the clamping plate 29 contracts in the cross groove 28, then the operator holds and rotates the second rotating shaft 11 by hand to drive the second gear 24 to move, so that the fixing plate 27 drives the clamping plate 7 to move in the first sliding groove 23 through the arc-shaped groove 26, the clamping plate 7 clamps beakers 4 with different diameters through the second rubber block 25, then the T-shaped rod 30 is released and returns to the original shape under the action of the elastic force of the clamping plate 29, so that the T-shaped rod 30 and the second gear 24 are clamped and fixed in position, then the operator puts the beakers 4 above the heat conduction plate 21, the solution is added into the titration tube 6, the solution falls down by opening a valve in the titration tube 6, when the solution in the titration tube 6 falls down, drive first gear 13 and tooth piece 17 through rotating crank 5 and mesh and remove, thereby it extrudees spring 14 to drive ratch 3, make spring 14 take place the shrink, thereby it contacts with beaker 4 through first block rubber 19 to drive to rock frame 22, and then it rocks about driving beaker 4, be favorable to solution in beaker 4 to carry out abundant integration, operating personnel starts hot plate 20 and drives heat-conducting plate 21 and conduct heat after that, thereby solution temperature in the heating heat preservation beaker 4, and then ensured the quality of experiment, do above that the utility model discloses a whole principles.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a titration outfit for organic chemistry experiments, includes bottom plate (1), buret (6), first gear (13) and hot plate (20), its characterized in that: the mounting block (2) is installed on the top end of the bottom plate (1), a first empty groove (12) is formed in the mounting block (2), a first gear (13) is installed in the first empty groove (12) through a bearing, a crank (5) is installed at one end of the first gear (13), a fixed block (15) is installed in the first empty groove (12), a toothed bar (3) is installed on the outer side of the fixed block (15), a first rotating shaft (9) is installed at the top end of the mounting block (2) through a bearing, a second rotating shaft (11) is installed at one end of the first rotating shaft (9), a second gear (24) is installed on the outer wall of the first rotating shaft (9), a mounting frame (8) is installed on the outer side of the first rotating shaft (9) through a bearing, the mounting frame (8) is located on the outer side of a fixed plate (27), a first sliding groove (23) is formed in the mounting frame (8), the top end of the bottom plate (1) is provided with a second sliding chute (31), and a supporting plate (32) connected with the toothed bar (3) is arranged inside the second sliding chute (31).

2. The titration apparatus for organic chemistry experiments according to claim 1, wherein: the gear rack is characterized in that a sliding groove (16) matched with the fixed block (15) is formed in the gear rack (3), a spring (14) connected with the gear rack (3) is sleeved on the outer wall of the fixed block (15), and a gear block (17) meshed with the first gear (13) is installed at the top end of the gear rack (3).

3. The titration apparatus for organic chemistry experiments according to claim 1, wherein: one side that installation piece (2) was kept away from in ratch (3) is installed and is rocked frame (22), and rocks the inside of frame (22) and all install first rubber block (19), second dead slot (18) have been seted up to the inside of installation piece (2), and the internally mounted of second dead slot (18) has hot plate (20), heat-conducting plate (21) are installed on the top of hot plate (20), and the top of heat-conducting plate (21) is provided with beaker (4).

4. The titration apparatus for organic chemistry experiments according to claim 1, wherein: the box (10) is installed through the bearing in the outside of first pivot (9), and cross recess (28) have been seted up to the inboard lateral wall of box (10), cross recess (28) inside be provided with second gear (24) assorted T type pole (30), and the outside cover of T type pole (30) is equipped with spring (29).

5. The titration apparatus for organic chemistry experiments according to claim 1, wherein: a fixing plate (27) is installed on one side, away from the second rotating shaft (11), of the first rotating shaft (9), and arc-shaped grooves (26) are formed in the fixing plate (27).

6. The titration apparatus for organic chemistry experiments according to claim 1, wherein: first spout (23) inside be provided with arc wall (26) assorted grip block (7), and the inboard lateral wall of grip block (7) installs second block rubber (25), the one end of second block rubber (25) is provided with buret (6).

Images