CN210572169U

CN210572169U - Titration apparatus for high school chemistry experiments

Info

Publication number: CN210572169U
Application number: CN201921587282.4U
Authority: CN
Inventors: 黄娅娅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-19
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a titration outfit for high school's chemistry experiments, including the base, the top of base is equipped with the opening, and open-ended inside is equipped with the box body, is equipped with rotary mechanism between the bottom of box body and the opening inside, and the left side at base top is equipped with the riser, and the right side of riser is from last to being equipped with two first diaphragms and a second diaphragm with this down, and the inside of first diaphragm is equipped with titration outfit and constructs, and the inside of second diaphragm is equipped with fixed establishment. The utility model discloses have the effect of carrying out the centre gripping to the experiment bottle of equidimension not, when preventing that traditional titration outfit can only carry out the centre gripping to the bottle of fixed size when using, have in addition and carry out rotatory the mixing to the experiment bottle that instils into titration liquid, improve the effect of experimental efficiency, prevent that the staff from shaking with handheld experiment bottle, can lead to the hand ache for a long time to can lead to shaking the inhomogeneous of mixing, can not reach anticipated experiment effect.

Description

Titration apparatus for high school chemistry experiments

Technical Field

The utility model relates to a titrate technical field, especially relate to a titration outfit for high school's chemistry experiments.

Background

Titration is a chemical experiment operation and a quantitative analysis means, the titration process needs a quantitative reaction, the reaction must be completely carried out, and the rate is high, namely, the equilibrium constant and the rate constant are large.

When the titration is carried out, the burette is required to be vertically clamped on the burette rack, so that the titration head faces downwards and is positioned right above the experiment bottle; when shaking the bottle, the solution should be rotated to the left and right in the same direction, but the solution should not spill out without making the bottle mouth contact with the burette.

Traditional titration outfit test bottle when using places the below of burette on the burette rack can lead to the experiment bottle to place the unstability, can not effectual centre gripping, easily receives the influence of external force, traditional titration outfit need the staff to hand the experiment bottle when using in addition and carry out same orientation and wave, can lead to staff's hand fatigue ache like this to can consequently influence and wave the effect, thereby influence final experimental result.

Therefore, we propose a titration apparatus for high school chemistry experiments to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a titration device for high school chemistry experiments.

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

the utility model provides a titration outfit for high school's chemistry experiments, includes the base, the top of base is equipped with the opening, and the open-ended inside is equipped with the box body, be equipped with rotary mechanism between the bottom of box body and the opening is inside, the left side at base top is equipped with the riser, and the right side of riser from last to being equipped with two first diaphragms and a second diaphragm with this down, the inside of first diaphragm is equipped with titration outfit and constructs, the inside of second diaphragm is equipped with fixed establishment.

Preferably, the rotating mechanism comprises a rotating shaft arranged at the bottom of the box body and a metal cylinder arranged at the center inside the opening, the rotating shaft is movably located inside the metal cylinder, a rocker is arranged on one side of the base in a penetrating mode, one end of the rocker extends to a position between the bottom of the box body and the inside of the opening, and a gear is arranged on the surface of the rocker.

Preferably, the titration mechanism comprises a titration tube arranged in the first transverse plate, the top end of the titration tube is provided with a sealing block and a titration head at the bottom end respectively, and the surface of the titration tube is provided with a pair of anti-slip rings.

Preferably, a through hole is formed in the second transverse plate, and the fixing mechanism is located in the through hole in the second transverse plate.

Preferably, the fixing mechanism comprises a sliding groove arranged on the inner wall of the through hole, a pair of sliding blocks is arranged inside the sliding groove, sleeves are arranged on the surfaces of opposite surfaces of the sliding blocks, a screw rod is arranged inside the sleeves through threads, and a driving block and a clamping block are respectively arranged on the surface, far away from the sleeves, of the screw rod and at one end of the surface.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the titration mechanism who sets up to reach and titrate out the liquid medicine of different volumes, use with this adaptation difference titration condition, can choose for use different titration heads and be connected through screw thread and buret according to the in service behavior of difference during the use, use with this, improve the result of use.

2. Through the fixed establishment who sets up to reach the effect that carries out the centre gripping to the not bottle that holds the liquid medicine that drops of equidimension, prevent that traditional titration outfit can only carry out the centre gripping to the bottle of fixed size when using and use.

3. Through the box body and the rotary mechanism that set up to reach and carry out the rotation to the experiment bottle that drips into the titration liquid and mix, improve the effect of experimental efficiency, prevent that the staff from shaking with holding the experiment bottle, can lead to the hand ache for a long time, and can lead to shaking the inhomogeneous of mixing, can not reach anticipated experimental effect.

Drawings

FIG. 1 is a perspective view of a titration apparatus for high school chemistry experiments according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

fig. 5 is a top partial enlarged view of the base of fig. 1.

In the figure: 1. a base; 2. a vertical plate; 3. an opening; 4. a box body; 5. a rotation mechanism; 501. a rotating shaft; 502. a metal cylinder; 503. a rocker; 504. a gear; 6. a first transverse plate; 7. a burette; 8. sealing; 9. a titration head; 10. an anti-slip ring; 11. a second transverse plate; 12. a through hole; 13. a fixing mechanism; 1301. a chute; 1302. a sleeve; 1303. a screw; 1304. a drive block; 1305. a clamping block; 1306. a slider; 14. a titration mechanism.

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.

Referring to fig. 1-5, a titration outfit for high school's chemistry experiments, including base 1, base 1's top is equipped with opening 3, opening 3 plays the effect that holds box body 4, and opening 3's inside is equipped with box body 4, box body 4 plays the effect that holds the experiment bottle, be equipped with rotary mechanism 5 between the bottom of box body 4 and the opening 3 inside, the left side at base 1 top is equipped with riser 2, riser 2 plays the effect of installation diaphragm, and riser 2's right side is from last to being equipped with two first diaphragms 6 and a second diaphragm 11 with this down, first diaphragm 6 plays the effect of placing buret 7 with second diaphragm 11, the inside of first diaphragm 6 is equipped with titration outfit 14, the inside of second diaphragm 11 is equipped with fixed establishment 13.

The rotating mechanism 5 comprises a rotating shaft 501 arranged at the bottom of the box body 4 and a metal tube 502 arranged at the center inside the opening 3, the metal tube 502 plays a role of accommodating the rotating shaft 501, the rotating shaft 501 is movably located inside the metal tube 502, the rotating shaft 501 rotates inside the metal tube 502 during use, a rocker 503 is arranged on one side of the base 1 in a penetrating mode, one end of the rocker 503 extends to a position between the bottom of the box body 4 and the inside of the opening 3, a circle of tooth grooves matched with the gear 504 for use are formed in the bottom of the box body 4, a gear 504 is arranged on the surface of the rocker 503, a worker shakes the rocker 503 to drive the gear 504 to rotate during use, the gear 504 drives the box body 4 to rotate through the matching of the tooth grooves and the tooth grooves, and at the moment, the experiment.

Titration mechanism 14 is including setting up in the inside buret 7 of first diaphragm 6, and the top of buret 7 is equipped with sealed block 8 and titration head 9 respectively in the bottom, sealed block 8 is the rubber system with titration head 9, sealed block 8 plays and seals buret 7, titration head 9 can be dismantled with the bottom of buret 7 through the screw thread and be connected, and can change the titration head 9 of using different inside sizes according to required titration volume when using, the surface of buret 7 is equipped with a pair of antiskid circle 10, antiskid circle 10 is located two first diaphragms 6 when using and the buret 7 top of running through the position, prevent that buret 7 from slipping down in first diaphragm 6.

The through hole 12 is arranged inside the second transverse plate 11, the through hole 12 plays a role in penetrating and placing an experimental bottle, the fixing mechanism 13 is located in the through hole 12 inside the second transverse plate 11, the fixing mechanism 13 comprises a sliding groove 1301 arranged on the inner wall of the through hole 12, a pair of sliding blocks 1306 are arranged inside the sliding groove 1301, the sliding blocks 1306 are driven by the sleeve 1302 to rotate inside the sliding groove 1301, the fixing mechanism 13 inside the through hole 12 can rotate along with the box body 4, the sleeve 1302 is arranged on the surface of the opposite face of the sliding blocks 1306, the screw 1303 is arranged inside the sleeve 1302 through threads, the surface and one end of the screw 1303, which are far away from the sleeve 1302, are respectively provided with a driving block 1304 and a clamping block 1305, when the experimental bottle is used, a worker rotates the driving block 1304 and drives the screw 1303 to extend out from the inside of the sleeve 1302, and at the moment, the two clamping blocks 1305 inside.

The working principle of the utility model is that when a user uses the utility model, firstly the burette 7 is placed in the two first transverse plates 6, and the anti-slip ring 10 is sleeved on the surface of the burette 7 to prevent the burette 7 from falling off from the first transverse plates 6, then the operator places the experiment bottle in the second transverse plate 11, the bottle body of the experiment bottle is positioned in the through hole 12 arranged in the second transverse plate 11, and the bottle bottom is positioned in the box body 4, at this time, the operator rotates the driving block 1304 and drives the screw rod 1303 to extend outwards from the inner part of the sleeve 1302, at this time, the through hole 12 and the two clamping blocks 1305 in the box body 4 are clamped on the surface of the bottle body, then the operator opens the sealing block 8 at the top of the burette 7, and simultaneously holds the burette 9 with one hand, then pours the medicament into the inner part of the burette 7, then the operator loosens the hand holding the burette 9, make the interior medicament of buret 7 drip into the inside of experiment bottle, during the rocking, the staff rocks rocker 503 and drives gear 504 and rotate, and gear 504 passes through the cooperation of tooth and tooth's socket and drives box body 4 and rotate, and the experiment bottle of box body 4 internal fixation rotates towards a direction along with box body 4 this moment, and the inside slider 1306 of spout 1301 that the through-hole 12 inner wall set up rotates in the inside of spout 1301 under the drive of sleeve 1302 simultaneously.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a titration outfit for high school's chemistry experiments, includes base (1), its characterized in that, the top of base (1) is equipped with opening (3), and the inside of opening (3) is equipped with box body (4), be equipped with rotary mechanism (5) between the bottom of box body (4) and opening (3) inside, the left side at base (1) top is equipped with riser (2), and the right side of riser (2) from last to being equipped with two first diaphragms (6) and one second diaphragm (11) with this down, the inside of first diaphragm (6) is equipped with titration outfit (14), the inside of second diaphragm (11) is equipped with fixed establishment (13).

2. The titration apparatus for high school chemistry experiments according to claim 1, wherein the rotation mechanism (5) comprises a rotation shaft (501) arranged at the bottom of the box body (4) and a metal cylinder (502) arranged at the central position inside the opening (3), the rotation shaft (501) is movably positioned inside the metal cylinder (502), a rocker (503) is arranged at one side of the base (1) in a penetrating manner, one end of the rocker (503) extends to a position between the bottom of the box body (4) and the inside of the opening (3), and a gear (504) is arranged on the surface of the rocker (503).

3. The titration apparatus according to claim 1, wherein the titration mechanism (14) comprises a burette (7) disposed inside the first horizontal plate (6), the top end of the burette (7) is provided with a sealing plug (8) and a titration head (9) at the bottom end, and the surface of the burette (7) is provided with a pair of anti-slip rings (10).

4. Titration device according to claim 1, wherein the second cross plate (11) is provided with a through hole (12) inside, and the fixing mechanism (13) is located in the through hole (12) inside the second cross plate (11).

5. The titration apparatus for high school chemistry experiments according to claim 1, wherein the fixing mechanism (13) comprises a sliding groove (1301) arranged on the inner wall of the through hole (12), a pair of sliding blocks (1306) is arranged inside the sliding groove (1301), sleeves (1302) are arranged on the surfaces of the opposite surfaces of the sliding blocks (1306), a screw rod (1303) is arranged inside the sleeves (1302) through threads, and a driving block (1304) and a clamping block (1305) are respectively arranged on the surface and one end of the screw rod (1303) far away from the sleeves (1302).