CN211553895U

CN211553895U - Titration apparatus for high school's chemistry experiments

Info

Publication number: CN211553895U
Application number: CN201922014621.6U
Authority: CN
Inventors: 王国磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-09-22
Anticipated expiration: 2029-11-20

Abstract

The utility model relates to a high school's chemistry experiment apparatus technical field just discloses a titration outfit for high school's chemistry experiments, the on-line screen storage device comprises a base, the fixed case of left side fixedly connected with at base top, the slide bar that distributes about two of the inside fixedly connected with of fixed case, the bottom fixedly connected with sleeve of fixed incasement wall, the threaded rod has been cup jointed to the one end that fixed incasement wall bottom was kept away from to the sleeve, the bearing has been inlayed at the top of fixed case, the inner circle of bearing cup joints with the fixed surface of threaded rod, the threaded rod is kept away from telescopic one end and is worn to establish bearing and fixedly connected with adjust knob. The utility model discloses a set up base, fixed case, slide bar, sleeve, threaded rod, bearing, adjust knob, fly leaf, connecting plate, head rod, second connecting rod, third connecting rod, funnel, burette clamp, locating plate, burette, spout, supporting shoe and titer plate, can adjust the height of burette, conveniently carry out the titration experiment.

Description

Titration apparatus for high school's chemistry experiments

Technical Field

The utility model relates to a high school's chemistry experiment apparatus technical field specifically is a titration outfit for high school's chemistry experiments.

Background

Chemistry is a natural science established on the basis of practice, and in the learning of high school chemistry, experimental operation is not only one of the main contents of learning, but also an important link of assessment. In high school chemistry experiments, titration is a chemical experimental operation and also a means of quantitative analysis. The method determines the content of a certain solute through quantitative reaction of two solutions, and is the key point of high school chemical learning and experimental operation.

The existing titration device for the high school chemistry experiments has some defects in some aspects and needs to be further improved, and the height of the burette needs to be adjusted by continuously and repeatedly utilizing a burette clamp when the existing titration device for the high school chemistry experiments is used, so that the height of the burette is inconvenient to adjust.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problems in the prior art, the utility model provides a titration outfit for high school's chemistry experiments.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

a titration apparatus for high school chemistry experiments comprises a base, wherein a fixed box is fixedly connected on the left side of the top of the base, two slide bars distributed on the left and right are fixedly connected inside the fixed box, a sleeve is fixedly connected to the bottom of the inner wall of the fixed box, a threaded rod is sleeved at one end, away from the bottom of the inner wall of the fixed box, of the sleeve, a bearing is inlaid at the top of the fixed box, an inner ring of the bearing is fixedly sleeved with the surface of the threaded rod, one end, away from the sleeve, of the threaded rod penetrates through the bearing and is fixedly connected with an adjusting knob, movable plates are sleeved on the surfaces of the slide bars and the threaded rod, a right side plate of the fixed box is penetrated through the right side of the movable plate and is fixedly connected with a connecting plate, a first connecting rod, a second connecting rod and a third connecting rod are sequentially and fixedly connected with the, the end fixedly connected with burette clamp that the connecting plate was kept away from to the second connecting rod, the one end fixedly connected with locating plate that the connecting plate was kept away from to the third connecting rod, the bottom intercommunication of funnel has the burette, the burette presss from both sides the cover and connects on the surface of burette, just the inside of locating plate is worn to locate by the bottom of burette.

In a further embodiment, the movable plate is sleeved on the surface of the sliding rod, and the movable plate is in threaded connection with the surface of the threaded rod.

In a further embodiment, the portion of the threaded rod surface from the sleeve to the bearing is a threaded surface and the remainder of the threaded rod surface is a smooth surface.

In a further embodiment, a sliding groove is formed in the right side surface of the fixed box, and the movable plate penetrates through the sliding groove.

In a further embodiment, a support block is fixedly connected to the right side of the top of the base, and a titer plate is fixedly connected to the right side of the support block.

(III) advantageous effects

The utility model provides a titration outfit for high school's chemistry experiments. The method has the following beneficial effects:

the titration apparatus for high school chemistry experiments is characterized in that a base, a fixed box, a slide bar, a sleeve, a threaded rod, a bearing, an adjusting knob, a movable plate, a connecting plate, a first connecting bar, a second connecting bar, a third connecting bar, a funnel, a burette clamp, a locating plate, a burette, a chute, a supporting block and a titration plate are arranged, the burette is inserted into the locating plate firstly, then the top end of the burette is connected with the funnel, the burette clamp is used for clamping the burette, then the adjusting knob is rotated to drive the threaded rod to rotate together, the movable plate is sleeved on the surface of the slide bar and is in threaded connection with the surface of the threaded rod, so the movable plate is driven to move up and down in the chute by the rotation of the threaded rod, the movable plate is driven to move up and down together by the movable, therefore, the connecting plate moves up and down to drive the burette to move up and down together, so that the height of the burette can be adjusted, and the titration experiment is convenient to carry out.

Drawings

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

fig. 2 is a side view of the fixing box of the present invention.

[ description of reference ]

In the figure: the device comprises a base 1, a fixed box 2, a sliding rod 3, a sleeve 4, a threaded rod 5, a bearing 6, an adjusting knob 7, a movable plate 8, a connecting plate 9, a first connecting rod 10, a second connecting rod 11, a third connecting rod 12, a funnel 13, a burette clamp 14, a positioning plate 15, a burette 16, a chute 17, a supporting block 18 and a titration plate 19.

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.

As shown in fig. 1-2, the utility model provides a technical solution: a titration apparatus for high school chemistry experiments comprises a base 1, a supporting block 18 is fixedly connected to the right side of the top of the base 1, a titration plate 19 is fixedly connected to the right side of the supporting block 18, a fixing box 2 is fixedly connected to the left side of the top of the base 1, two slide bars 3 distributed left and right are fixedly connected to the inside of the fixing box 2, a sleeve 4 is fixedly connected to the bottom of the inner wall of the fixing box 2, a threaded rod 5 is sleeved at one end, away from the bottom of the inner wall of the fixing box 2, of the sleeve 4, a bearing 6 is inlaid at the top of the fixing box 2, an inner ring of the bearing 6 is fixedly sleeved with the surface of the threaded rod 5, the part, between the sleeve 4 and the bearing 6, on the surface of the threaded rod 5 is a threaded surface, the rest parts on the surface of the threaded rod 5 are smooth surfaces, one end, away from the sleeve, the movable plate 8 is sleeved on the surface of the sliding rod 3, the movable plate 8 is in threaded connection with the surface of the threaded rod 5, the right side of the movable plate 8 penetrates through the right side plate of the fixed box 2 and is fixedly connected with a connecting plate 9, the right side surface of the fixed box 2 is provided with a sliding groove 17, the movable plate 8 penetrates through the sliding groove 17, the right side surface of the connecting plate 9 is fixedly connected with a first connecting rod 10, a second connecting rod 11 and a third connecting rod 12 from top to bottom in sequence, one end of the first connecting rod 10, which is far away from the connecting plate 9, is fixedly connected with a funnel 13, one end of the second connecting rod 11, which is far away from the connecting plate 9, is fixedly connected with a burette clamp 14, one end of the third connecting rod 12, which is far away from the connecting plate 9, is fixedly connected with a positioning plate 15, the bottom of the funnel 13, by arranging the base 1, the fixed box 2, the slide rod 3, the sleeve 4, the threaded rod 5, the bearing 6, the adjusting knob 7, the movable plate 8, the connecting plate 9, the first connecting rod 10, the second connecting rod 11, the third connecting rod 12, the funnel 13, the burette clamp 14, the positioning plate 15, the burette 16, the chute 17, the supporting block 18 and the titer plate 19, firstly inserting the burette 16 into the positioning plate 15, then connecting the top end of the burette 16 with the funnel 13, then clamping the burette 16 by using the burette clamp 14, then driving the threaded rod 5 to rotate together by rotating the adjusting knob 7, as the movable plate 8 is sleeved on the surface of the slide rod 3 and the movable plate 8 is in threaded connection with the surface of the threaded rod 5, the rotation of the threaded rod 5 drives the movable plate 8 to move up and down in the chute 17, and as the movable plate 8 is fixedly connected with the connecting plate 9, and the burette 16 is fixed on the connecting plate 9, therefore the connecting plate 9 reciprocates and drives the burette 16 to reciprocate together to can adjust the height of burette 16, conveniently carry out the titration experiment.

The working principle is as follows: insert buret 16 in locating plate 15 earlier, then be connected buret 16's top and funnel 13, reuse buret clamp 14 and grasp buret 16, then drive threaded rod 5 through rotating adjust knob 7 and rotate together, because fly leaf 8 cup joints the surface at slide bar 3, and fly leaf 8 and threaded rod 5's surperficial threaded connection, consequently threaded rod 5's rotation drives fly leaf 8 and reciprocates in spout 17, because fly leaf 8 and connecting plate 9 fixed connection, therefore fly leaf 8 reciprocates and drives connecting plate 9 and reciprocate together, and buret 16 is fixed on connecting plate 9, therefore connecting plate 9 reciprocates and drives buret 16 and reciprocate together, thereby can adjust the height of buret 16, conveniently carry out the titration experiment.

In conclusion, the titration apparatus for high school chemistry experiments is provided with a base 1, a fixed box 2, a slide rod 3, a sleeve 4, a threaded rod 5, a bearing 6, an adjusting knob 7, a movable plate 8, a connecting plate 9, a first connecting rod 10, a second connecting rod 11, a third connecting rod 12, a funnel 13, a titration tube clamp 14, a positioning plate 15, a burette 16, a chute 17, a supporting block 18 and a titration plate 19, wherein the burette 16 is inserted into the positioning plate 15, the top end of the burette 16 is connected with the funnel 13, the burette clamp 14 is used for clamping the burette 16, the adjusting knob 7 is rotated to drive the threaded rod 5 to rotate together, the movable plate 8 is sleeved on the surface of the slide rod 3, and the movable plate 8 is in threaded connection with the surface of the threaded rod 5, so that the movable plate 8 is driven to move up and down in the chute 17 by the rotation of the threaded rod 5, therefore, the movable plate 8 moves up and down to drive the connecting plate 9 to move up and down together, and the burette 16 is fixed on the connecting plate 9, so that the connecting plate 9 moves up and down to drive the burette 16 to move up and down together, the height of the burette 16 can be adjusted, and the titration experiment is convenient to carry out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a titration outfit for high school's chemistry experiments, includes base (1), its characterized in that: the left side of the top of the base (1) is fixedly connected with a fixed box (2), the inner part of the fixed box (2) is fixedly connected with two slide bars (3) which are distributed left and right, the bottom of the inner wall of the fixed box (2) is fixedly connected with a sleeve (4), one end of the sleeve (4) far away from the bottom of the inner wall of the fixed box (2) is sleeved with a threaded rod (5), the top of the fixed box (2) is inlaid with a bearing (6), the inner ring of the bearing (6) is sleeved with the surface of the threaded rod (5), one end of the threaded rod (5) far away from the sleeve (4) is penetrated by the bearing (6) and is fixedly connected with an adjusting knob (7), the surfaces of the slide bars (3) and the threaded rod (5) are both sleeved with movable plates (8), the right side plate of the fixed box (2) is penetrated by the right side, the utility model discloses a buret, including connecting plate (9), one end fixedly connected with funnel (13) of connecting plate (9) is kept away from to the right side surface from the top down in proper order fixedly connected with head rod (10), second connecting rod (11) and third connecting rod (12), the one end fixedly connected with buret clamp (14) of connecting plate (9) are kept away from in head rod (10), the one end fixedly connected with locating plate (15) of connecting plate (9) are kept away from in second connecting rod (11), the bottom intercommunication of funnel (13) has buret (16), buret clamp (14) cup joint the surface at buret (16), just the inside of locating plate (15) is worn to locate by the bottom of buret (16).

2. The titration apparatus for high school chemistry experiments according to claim 1, wherein: the movable plate (8) is sleeved on the surface of the sliding rod (3), and the movable plate (8) is in threaded connection with the surface of the threaded rod (5).

3. The titration apparatus for high school chemistry experiments according to claim 1, wherein: the part of the surface of the threaded rod (5) between the sleeve (4) and the bearing (6) is a threaded surface, and the rest part of the surface of the threaded rod (5) is a smooth surface.

4. The titration apparatus for high school chemistry experiments according to claim 1, wherein: the right side surface of the fixed box (2) is provided with a sliding groove (17), and the movable plate (8) penetrates through the sliding groove (17).

5. The titration apparatus for high school chemistry experiments according to claim 1, wherein: the right side of the top of the base (1) is fixedly connected with a supporting block (18), and the right side of the supporting block (18) is fixedly connected with a titration plate (19).