CN107349987B

CN107349987B - Experimental device for improve student's experimental data accuracy

Info

Publication number: CN107349987B
Application number: CN201710821126.9A
Authority: CN
Inventors: 敖飞虎
Original assignee: Copper Mt Chongqing Inquiry Technology Co Ltd
Current assignee: Da Dao Zhiyuan Technology Chongqing Co ltd
Priority date: 2017-09-13
Filing date: 2017-09-13
Publication date: 2020-02-28
Anticipated expiration: 2037-09-13
Also published as: CN107349987A

Abstract

The invention discloses an experimental device for improving the accuracy of student experimental data, which comprises a base, wherein a supporting stand column is arranged at the top of the base, a lifting plate is arranged on the supporting stand column and can move along the axis direction of the supporting stand column, a sleeve is arranged on the side wall of the lifting plate, a connecting rod is arranged in the sleeve and can move in the sleeve, one end of the connecting rod is positioned in the sleeve, a clamping element is arranged at the other end of the connecting rod and can rotate around the axis of the connecting rod, a clamping mechanism comprises a first clamp and a second clamp, a rotating shaft is further arranged between the first clamp and the second clamp, and the first clamp and the second clamp can rotate around the rotating shaft. The lifting plate adjusting device is simple in structure and convenient to operate, the height of the lifting plate can be freely adjusted, the lifting plate is guaranteed not to fall off, meanwhile, the length of the clamping element in the horizontal direction can be adjusted, and a certain space is saved.

Description

Experimental device for improve student's experimental data accuracy

Technical Field

The invention relates to an auxiliary tool for experimental equipment, in particular to an experimental device for improving the accuracy of experimental data of students.

Background

Physics or chemistry are subjects based on experiments, teachers teach knowledge in combination with the experiments, students understand and grasp the learned knowledge in combination with the experiments, and good teaching effects can be obtained only by combining classroom teaching and manual experiments. In the physical experiment, an iron stand platform is often used, the iron stand platform is used for fixing and supporting various instruments, and an iron ring can replace a funnel stand for use. It is commonly used in filtration, heating, titration and other experimental operations, and is one of the most widely used instruments in physical and chemical experiments, and is often used in combination with alcohol lamps. Often, the experiment is carried out by using a long burette or placing a beaker for heating, and the device is supported at a proper height by an iron stand so as to facilitate the experiment. When the burette is to be supported, a burette clamp is clamped on the iron stand, and the burette can be clamped on the burette clamp for fixing. When the beaker is to be placed, an iron ring is clamped on the iron support, the asbestos net is placed on the iron ring, and the beaker is placed on the asbestos net.

At present, the present iron stand platform is mostly adopted the bolt to realize going up and down, but adopt this kind of mode to use after one section, because the bolt extrudees with the bracing piece for a long time, can seriously be worn and torn by the bolt on the bracing piece that leads to the iron stand platform, make the bolt can't stably fix the iron ring at appointed height, when the iron ring bears heavier experimental apparatus, take place the landing easily, cause the damage of experimental apparatus, and simultaneously, the horizontal pole that current iron stand platform is used for connecting the iron ring also can adjust the length at the horizontal direction, but its length is longer, and is comparatively occupation space, also cause certain influence to the classmate experiment.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the experimental device for improving the accuracy of the experimental data of the students, which can adjust the length in the horizontal direction, save the space and reduce the influence on the experiment of the students.

The invention is realized by the following technical scheme:

improve experimental apparatus of student's experimental data accuracy, the on-line screen storage device comprises a base, the top of base is equipped with the support post, is equipped with the lifter plate on the support post, and the lifter plate can remove along the axis direction of support post, be equipped with the sleeve on the lateral wall of lifter plate, be equipped with the connecting rod in the sleeve, the connecting rod can remove in the sleeve, connecting rod one end is located the sleeve, is equipped with the clamping element on the other end to the clamping element can rotate round the axis of connecting rod, fixture includes first clamp and second clamp, still is equipped with the axis of rotation between first clamp and the second clamp, and first clamp and second clamp all can rotate round the axis of rotation.

Further, be equipped with the opening on the lateral wall of support post, the lifter plate is located the opening, and open-ended inner wall both sides all are equipped with the recess, and the both sides of lifter plate all are equipped with the lug that matches with the recess to the lug is located the recess.

Furthermore, a movable groove is further formed in the lifting plate, and a plurality of limiting holes are formed in the two sides of the movable groove.

Further, the top of support post still is equipped with the fixed block, is equipped with the movable rod on the fixed block, and the movable rod level interlude is at fixed block and activity inslot in proper order to still be equipped with the stopper on the end of movable rod, the stopper is located the outside of lifter plate, be equipped with two gag lever posts on the stopper to the gag lever post inserts in spacing downthehole.

Furthermore, a first elastic element is further arranged on the movable rod, the first elastic element is sleeved on the movable rod, and the first elastic element is located between the fixed block and the lifting plate.

Further, still be equipped with the diaphragm on the lateral wall of lifter plate, the diaphragm is located telescopic top, is equipped with the depression bar on the diaphragm, and the depression bar can move along the axis direction of diaphragm, and the bottom of depression bar is located the sleeve.

Furthermore, a second elastic element is further arranged on the pressure rod, the second elastic element is sleeved on the pressure rod, and the second elastic element is located between the sleeve and the transverse plate.

Furthermore, still be equipped with a plurality of sockets on the connecting rod, the bottom of depression bar is located the socket, and the depression bar is fixed the connecting rod in the sleeve.

Furthermore, all be equipped with the chimb on first clamp and the second clamp, be equipped with on the chimb and fasten the component, fasten the component and fix first clamp and second clamp together.

Further, a movable element is further arranged between the clamping element and the connecting rod, the movable element can rotate on the connecting rod, and the clamping element can rotate along with the movable element.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. according to the experimental device for improving the accuracy of the experimental data of the students, when the height of the lifting plate is adjusted, the movable rod is pushed, so that the limiting rod on the limiting block is moved out of the limiting hole of the lifting plate, then the height of the lifting plate on the supporting upright post can be freely adjusted, the limiting block is pulled by the elastic element, so that the limiting rod on the limiting block is inserted into the limiting hole of the supporting upright post, the lifting plate is fixed on the supporting upright post, the lifting plate cannot be worn after being repeatedly used for a long time, the stability of the lifting plate is ensured, and the sliding is prevented;

2. the experiment device for improving the accuracy of the student experiment data can adjust the length of the clamping element in the horizontal direction to meet different use requirements, the connecting rod can extend into the sleeve, the space can be saved, the inconvenience caused to experiment operation is reduced, and meanwhile the clamping element can clamp experiment equipment with different diameters.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

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

FIG. 2 is a top view of the support column of the present invention;

FIG. 3 is a side view of the lifter plate of the present invention;

FIG. 4 is a schematic diagram of a stopper according to the present invention;

FIG. 5 is a top view of the connecting rod of the present invention;

FIG. 6 is a schematic view of a clamping member according to the present invention.

Reference numbers and corresponding part names in the drawings:

1-base, 2-support column, 3-stop block, 4-first elastic element, 5-fixed block, 6-lifting plate, 7-clamping element, 8-connecting rod, 9-pressure rod, 10-second elastic element, 11-transverse plate, 12-sleeve, 13-movable rod, 14-movable element, 15-opening, 16-movable groove, 17-lug, 18-gasket, 19-rotation shaft, 20-fastening element, 21-stop hole, 22-groove, 31-stop rod, 71-first clamp, 72-second clamp, 81-socket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Examples

As shown in fig. 1 to 6, the experimental device for improving the accuracy of student experimental data according to the present invention includes a base 1, the base 1 has a rectangular structure, a support column 2 is disposed on the top of the base 1, the support column 2 is located at the central position of the base 1, the support column 2 has a rectangular structure, an opening 15 is disposed on the sidewall of the support column 2, the opening 15 is communicated with the top of the support column 2, grooves 22 are disposed on both sides of the inner wall of the opening 15, a lifting plate 6 is disposed in the opening 15, the lifting plate 6 can move in the opening 15 along the axial direction of the support column 2, bumps 17 matching the grooves 22 are disposed on both sides of the lifting plate 6, the bumps 17 are located in the grooves 22, and when the lifting plate 6 moves in the opening 15, the bumps 17 can move in the grooves 22, a fixing block 5 is further disposed on the top of the support column 2, the movable rod 13 is arranged on the fixed block 5, the movable rod 13 is horizontally inserted on the fixed block 5, the movable rod 13 can move in the fixed block 5 along the horizontal direction, the lifting plate 6 is provided with a movable groove 16, the movable rod 13 can be inserted in the movable groove 16, the movable rod 13 can move in the movable groove 16, a plurality of limiting holes 21 are arranged on two sides of the movable groove 16 of the lifting plate 6, the limiting holes 21 are sequentially distributed on two sides of the movable groove 16 from top to bottom, the tail end of the movable rod 13 is also provided with a limiting block 3, the limiting block 3 is positioned on the outer side of the lifting plate 6, the width of the limiting block 3 is larger than that of the movable groove 16, so that the limiting block 3 can not pass through the movable groove 16, two limiting rods 31 are arranged on the side wall of the lifting plate 3 facing the lifting plate 6, the limiting rods 31 are respectively positioned on two sides of the axis of the limiting rod 2, and the distance between the two limiting rods 31 is consistent with, so that the limiting rod 31 on the limiting block 3 can be inserted into the limiting hole 21, the movable rod 13 is further provided with a first elastic element 4, the first elastic element 4 is elastic, the first elastic element 4 is sleeved on the movable rod 13, and the first elastic element 4 is located between the fixed block 5 and the lifting plate 6, when the first elastic element 4 is not acted by an external force, the movable rod 13 is pulled towards the fixed block 5 direction, the limiting block 3 is forced to fix the lifting plate 6 on the supporting upright post 2, and simultaneously, when the movable rod 13 is horizontally pushed towards the lifting plate 6 direction by a hand, the movable rod 13 drives the limiting rod 31 on the limiting block 3 to move from the limiting hole 21 on the lifting plate 6, so that the lifting plate 6 can move in the opening 15 of the supporting upright post 2 to adjust the height of the lifting plate 6, when the external force applied to the movable rod 13 disappears, the first elastic element 4 pulls the limiting block 13, so that the limiting rod 31 is inserted into the limiting hole 21 again, and the lifting plate 6 is fixed on the supporting upright post 2, thereby preventing the lifting plate 6 from sliding off.

The side wall of the lifting plate 6 is further provided with a sleeve 12 and a transverse plate 11, the transverse plate 11 is located right above the sleeve 12, the sleeve 12 is of a cavity structure, a connecting rod 8 is arranged in the cavity, the connecting rod 8 can move in the sleeve 12 along the horizontal direction, the connecting rod 8 is uniformly provided with a plurality of sockets 81, the transverse plate 11 is provided with a pressure lever 9, the pressure lever 9 is vertically inserted on the transverse plate 11, the transverse rod 11 can move along the axial direction of the transverse plate 11, the bottom end of the pressure lever 9 is located in the sleeve 12, the pressure lever 9 is inserted in the socket 81 of the connecting rod 8, the connecting rod 8 is fixed in the sleeve 12 by the pressure lever 9, the pressure lever 9 is provided with a second elastic element 10, the second elastic element 10 is also a spring, the second elastic element 10 is sleeved on the pressure lever 9, the elastic force generated by the second elastic element enables the pressure lever 9 to be inserted into, when the external force applied to the pressure lever 9 is removed, the second elastic element 10 forces the pressure lever 9 to be reinserted into the socket 81, and the connecting lever 8 is fixed in the sleeve 12 again; connecting rod 8 one end is located sleeve 12, is equipped with movable element 14 on the other end, and movable element 14 can rotate on connecting rod 8, still be equipped with clamping element 7 on the movable element 14, clamping element 7 can follow movable element 14 and rotate together, is convenient for adjust the angle of clamping element 7, satisfies different user demands, clamping element 7 includes first clamp 71 and second clamp 72, and first clamp 71 and second clamp 72 constitute the ring structure, is equipped with axis of rotation 19 between first clamp 71 and the second clamp 72, and first clamp 71 and second clamp 72 all can rotate around axis of rotation 19, first clamp 71 and second clamp 72 one end all are connected with axis of rotation 19, all are equipped with the chimb on the other end, are equipped with fastening element 20 on the chimb of first clamp 71 and second clamp 72, and fastening element 20 is the screw, and fixed element 20 fixes first clamp 71 and second clamp 72 together, still be equipped with a plurality of gaskets 18 on the inner wall of first clamp 71 and second clamp 72, gasket 18 is used for protecting the experimental device of centre gripping, prevents first clamp 71 and second clamp 72 fish tail experimental device.

When the lifting plate 6 is adjusted to a proper height, the force for pushing the movable rod 13 is removed, the first elastic element 4 pulls the movable rod 13 to move to an initial position, the limiting rod 31 on the limiting block 3 is forced to be inserted into the limiting hole 21 of the lifting plate 6 again, the temperature of the lifting plate 6 is fixed on the supporting upright post 2, and the height of the lifting plate 6 is adjusted; when the position of the clamping mechanism 7 in the horizontal direction needs to be adjusted, the pressing rod 9 is pulled upwards by hand, the bottom end of the pressing rod 9 is moved out of the socket 81, the length of the connecting rod 8 extending into the sleeve 12 is adjusted, then the pressing rod 9 is released, and the pressing rod 9 is forced to be inserted into the socket 81 of the connecting rod 8 again under the action of the second elastic element 10, so that the connecting rod 8 is fixed in the sleeve 12 again.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. Improve experimental apparatus of student's experimental data accuracy, including base (1), its characterized in that, the top of base (1) is equipped with support post (2), is equipped with lifter plate (6) on support post (2), and lifter plate (6) can remove along the axis direction of support post (2), be equipped with sleeve (12) on the lateral wall of lifter plate (6), be equipped with connecting rod (8) in sleeve (12), connecting rod (8) can move in sleeve (12), connecting rod (8) one end is located sleeve (12), is equipped with clamping element (7) on the other end to clamping element (7) can rotate round the axis of connecting rod (8), fixture (7) include first clamp (71) and second clamp (72), still are equipped with axis of rotation (19) between first clamp (71) and second clamp (72), the first clamp (71) and the second clamp (72) can rotate around the rotating shaft (19); a transverse plate (11) is further arranged on the side wall of the lifting plate (6), the transverse plate (11) is located above the sleeve (12), a pressing rod (9) is arranged on the transverse plate (11), the pressing rod (9) can move along the axis direction of the transverse plate (11), and the bottom end of the pressing rod (9) is located in the sleeve (12);

the pressing rod (9) is also provided with a second elastic element (10), the second elastic element (10) is sleeved on the pressing rod (9), and the second elastic element (10) is positioned between the sleeve (12) and the transverse plate (11);

the connecting rod (8) is also provided with a plurality of insertion holes (81), the bottom end of the pressure rod (9) is positioned in the insertion holes (81), and the connecting rod (8) is fixed in the sleeve (12) by the pressure rod (9);

the lifting plate (6) is also provided with a movable groove (16), and two sides of the movable groove (16) are provided with a plurality of limiting holes (21);

the top of the supporting upright post (2) is also provided with a fixed block (5), the fixed block (5) is provided with a movable rod (13), the movable rod (13) is sequentially and horizontally inserted into the fixed block (5) and the movable groove (16), the tail end of the movable rod (13) is also provided with a limit block (3), the limit block (3) is positioned on the outer side of the lifting plate (6), the limit block (3) is provided with two limit rods (31), and the limit rods (31) are inserted into limit holes (21);

the movable rod (13) is further provided with a first elastic element (4), the first elastic element (4) is sleeved on the movable rod (13), and the first elastic element (4) is located between the fixed block (5) and the lifting plate (6).

2. The experimental device for improving the accuracy of student experimental data according to claim 1, wherein the side wall of the support column (2) is provided with an opening (15), the lifting plate (16) is located in the opening (15), both sides of the inner wall of the opening (15) are provided with grooves (22), both sides of the lifting plate (16) are provided with protrusions (17) matched with the grooves (22), and the protrusions (17) are located in the grooves (22).

3. The experimental device for improving the accuracy of experimental data of students according to claim 1, wherein the first clamping band (71) and the second clamping band (72) are provided with flanges, each flange is provided with a fastening element (20), and the fastening elements (20) fix the first clamping band (71) and the second clamping band (72) together.

4. The experimental device for improving the accuracy of experimental data of students according to claim 1, characterized in that a movable element (14) is further provided between the clamping element (7) and the connecting rod (8), the movable element (14) can rotate on the connecting rod (8), and the clamping element (7) can rotate along with the movable element (14).