CN219085548U

CN219085548U - Solid geometry teaching demonstration case

Info

Publication number: CN219085548U
Application number: CN202223304341.7U
Authority: CN
Inventors: 龚保新
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-26
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to the technical field of solid geometry teaching and discloses a solid geometry teaching demonstration box which comprises a box body, wherein inner walls at the front end and the rear end of the box body are connected with sliding plates in a sliding mode, the inner walls at the top end of the sliding plates are connected with threaded rods in a threaded mode, the bottom ends of the threaded rods are rotationally connected to the inner walls at the bottom end of the box body, ratchet wheels are fixedly connected to the middle parts of the left end and the right end of the sliding plates, connecting columns are rotationally connected to the inner walls at the left end and the right end of the sliding plates, pressing plates are fixedly connected to the left end and the right end of the connecting columns, the inner walls of the ratchet wheels are rotationally connected to the outer walls of the connecting columns, a plurality of sleeves are fixedly connected to the bottom ends of the pressing plates, and sliding grooves are formed in the bottom ends of the sleeves. According to the utility model, the solid geometry is limited to prevent shaking in the carrying process, so that the damage to the solid geometry is reduced, the service life is prolonged, the teacher does not need to hold the solid geometry with hands when the teacher speaks in class, the labor intensity of the teacher is reduced, and the teaching efficiency is improved.

Description

Solid geometry teaching demonstration case

Technical Field

The utility model relates to the technical field of solid geometry teaching, in particular to a solid geometry teaching demonstration box.

Background

The solid geometry is a subject of studying space structure and properties, which is one of the most basic study contents in mathematics, and in solid geometry teaching, teachers know that the key of learning solid geometry is to build space concepts of students, and to build the space concepts of students, the students must start from a model and conduct teaching through the model in a teaching demonstration box.

The existing solid geometry teaching demonstration box is used for placing models together, so that the solid geometry models in the carrying process can shake, the solid geometry models are damaged, the service life is shortened, a teacher is required to hold the solid geometry models in the teaching process, the load of the teacher is increased, the normal explanation of the teacher is influenced, and the teaching efficiency is reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the solid geometry teaching demonstration box which prevents solid geometry from shaking in the carrying process through limiting the solid geometry, so that the damage to the solid geometry is reduced, the service life of the solid geometry is prolonged, and a teacher is not required to hold the solid geometry by hands during the display, so that the labor intensity of the teacher is reduced, the teacher can normally explain the teaching, and the teaching efficiency is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a solid geometry teaching demonstration case, includes the box, both ends inner wall sliding connection has the slide around the box, slide top inner wall threaded connection has the threaded rod, threaded rod bottom rotates to be connected at box bottom inner wall, both ends middle part all fixedly connected with ratchet about the slide both ends inner wall rotates to be connected with the spliced pole about the slide, both ends all fixedly connected with push down the board about the spliced pole, the ratchet inner wall rotates to be connected at the spliced pole outer wall, a plurality of sleeves of equal fixedly connected with in push down the board bottom, the sleeve bottom all is provided with the spout, spout top all fixedly connected with spring, all fixedly connected with loop bar in spring bottom, all sliding connection is at the spout inner wall in loop bar bottom, equal fixedly connected with geometry in loop bar bottom, equal fixedly connected with pin in opposite end of push down the board, the pin outer wall all sets up at the ratchet outer wall;

through above-mentioned technical scheme, at first in handling, can prevent through the spacing of push plate that the geometry of box from jumping from top to bottom, reduce and cause the damage to the geometry, thereby the life of geometry should be increased, when needs teaching use, take the threaded rod to rotate through rotating the handle, can make the slide upwards move owing to the screw thread effect of threaded rod, thereby take the push plate to upwards move, afterwards rotate the push plate and prescribe a limit to the pin when stopping, the ratchet when preventing to loosen the hand, push plate rotates downwards, consequently, need not the teacher to hold the geometry with the hands and show for each classmate, the intensity of labour of teacher has been reduced, guarantee that the teacher can normally explain, teaching efficiency has been improved.

Further, the outer wall of the pressing plate is arranged on the inner wall of the box body;

through above-mentioned technical scheme, conveniently press the board and get into in the box.

Further, the geometry varies in shape;

through the technical scheme, the students can conveniently know the geometric objects through the geometric objects with different shapes during teaching.

Further, the pressing plate is symmetrical with respect to the center line of the box body;

by the technical scheme, the space where the pressing plate is located is the same.

Further, the height of the threaded rod is higher than that of the box body;

through above-mentioned technical scheme, make things convenient for the structure on the threaded rod to pull out from the box.

Further, the pressing plate is made of polyphenylene sulfide;

through the technical scheme, the polyphenylene sulfide is a harder material, and the service life of the pressing plate is prolonged.

Further, the threaded rod and the connecting column space are in a vertical state;

through above-mentioned technical scheme, threaded rod and spliced pole do not influence each other when the motion.

Further, extension lines at two ends of the connecting column are in a space vertical state with the box body;

through above-mentioned technical scheme, when the spliced pole rotates, the space that forms at the box all the time.

The utility model has the following beneficial effects:

1. according to the utility model, the limit of the stereoscopic geometry is used for preventing the stereoscopic geometry from shaking in the carrying process, so that the damage to the stereoscopic geometry is reduced, the service life of the stereoscopic geometry is prolonged, and the damage to the stereoscopic geometry caused by shaking of the stereoscopic geometry in the carrying demonstration box in the background technology is solved.

2. According to the utility model, the solid geometry is displayed by mounting the solid geometry on the loop bar and rotating the pressing plate, so that a teacher does not need to hold the solid geometry by hands, the labor intensity of the teacher is reduced, the teacher is ensured to be able to normally explain, and the teaching efficiency is improved.

Drawings

Fig. 1 is a right front perspective view of a solid geometry teaching demonstration box provided by the utility model;

fig. 2 is a left front perspective view of a pressing plate of the solid geometry teaching demonstration box provided by the utility model;

FIG. 3 is an enlarged view of FIG. 2A;

fig. 4 is a bottom perspective view of a pressing plate of the solid geometry teaching demonstration box provided by the utility model;

FIG. 5 is an enlarged view of B in FIG. 4;

fig. 6 is a perspective view of a sleeve section of a solid geometry teaching demonstration box provided by the utility model.

Legend description:

1. a case; 2. pressing the plate; 3. a ratchet wheel; 4. a slide plate; 5. hand shaking; 6. a threaded rod; 7. a sleeve; 8. a loop bar; 9. a geometry; 10. a connecting column; 11. a stop lever; 12. a chute; 13. and (3) a spring.

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. 1-6, one embodiment provided by the present utility model is: the utility model provides a solid geometry teaching demonstration case, including box 1, both ends inner wall sliding connection has slide 4 around box 1, slide 4 top inner wall threaded connection has threaded rod 6, threaded rod 6 bottom rotates to be connected at box 1 bottom inner wall, slide 4 is controlled both ends middle part equal fixedly connected with ratchet 3 and is controlled both ends inner wall and rotate and be connected with spliced pole 10, spliced pole 10 is controlled both ends and is all fixedly connected with and press board 2, ratchet 3 inner wall rotates to be connected at spliced pole 10 outer wall, press board 2 bottom equal fixedly connected with sleeve 7, sleeve 7 bottom all is provided with spout 12, spout 12 top equal fixedly connected with spring 13, the equal fixedly connected with loop bar 8 of spring 13 bottom, loop bar 8 outer wall equal sliding connection is at spout 12 inner wall, loop bar 8 bottom equal fixedly connected with geometry 9, consequently, geometry 9's shape is different, therefore the height is also different, so when limiting, need make it all can touch box 1 at last through the elasticity of spring 13, press board 2 relative one end equal fixedly connected with stop lever 11, stop lever 11 outer wall all sets up at ratchet 3.

Further explaining, at first, in the handling, can prevent through the spacing of push plate 2 that geometry 9 of box 1 from jumping from top to bottom, reduce and cause the damage to geometry 9, thereby increase geometry 9's life, when needs teaching use, rotate through rotating handle 5 and bring threaded rod 6, because the screw thread effect of threaded rod 6 can make slide 4 upwards remove, thereby bring push plate 2 upwards to remove, afterwards rotate push plate 2 when stopping, ratchet 3 is limited bar 11, prevent to press plate 2 to rotate downwards when loosening the hand, therefore need not the teacher to hold the geometry with the hands and show for each classmate, reduce teacher's intensity of labour, guarantee that the teacher can normally explain, and improve teaching efficiency.

Further explaining, the outer wall of the pressing plate 2 is arranged on the inner wall of the box body 1, the pressing plate 2 conveniently enters the box body 1, the geometric bodies 9 are different in shape, because the geometric bodies 9 with different shapes are needed to be demonstrated in teaching, students can conveniently know that the pressing plate 2 is symmetrical about the center line of the box body 1, the space where the pressing plate 2 is located is identical, the height of the threaded rod 6 is higher than that of the box body 1, the structure on the threaded rod 6 is conveniently pulled out of the box body 1, the pressing plate 2 is made of polyphenylene sulfide, the polyphenylene sulfide is a harder material, the service life of the pressing plate 2 is prolonged, the space between the threaded rod 6 and the connecting column 10 is in a vertical state, the threaded rod 6 and the connecting column 10 are not mutually influenced in moving, extension lines at two ends of the connecting column 10 are in a vertical state with the box body 1, and when the connecting column 10 rotates, the space is always formed in the box body 1.

Working principle: firstly, in the handling, can prevent through the spacing of push plate 2 that geometry 9 of box 1 from jumping from top to bottom, reduce and cause the damage to geometry 9, thereby increase geometry 9's life, when needs teaching use, rotate through rotating handle 5 and take threaded rod 6, because the screw thread effect of threaded rod 6 can make slide 4 upwards remove, thereby take push plate 2 upwards to remove, afterwards rotate push plate 2 when stopping, ratchet 3 is prescribing a limit to pin 11, push plate 2 rotates downwards when preventing to loosen the hand, therefore need not the teacher hold the geometry with the hand and show for each classmate, reduced teacher's intensity of labour, guarantee that the teacher can normally explain, teaching efficiency has been improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a solid geometry teaching demonstration case, includes box (1), its characterized in that: the utility model discloses a box, including box (1), both ends inner wall sliding connection have slide (4), slide (4) top inner wall threaded connection has threaded rod (6), threaded rod (6) bottom rotates to be connected at box (1) bottom inner wall, equal fixedly connected with ratchet (3) in both ends middle part about slide (4) both ends inner wall rotates to be connected with spliced pole (10), spliced pole (10) both ends all fixedly connected with press board (2) about, ratchet (3) inner wall rotates to be connected at spliced pole (10) outer wall, press board (2) bottom all fixedly connected with sleeve (7), sleeve (7) bottom all is provided with spout (12), equal fixedly connected with spring (13) in spout (12) top, equal fixedly connected with loop bar (8) in spring (13) bottom, equal fixedly connected with geometric solid (9) in spout (12) inner wall of loop bar (8) outer wall, press board (2) bottom all fixedly connected with is at ratchet (11) all outer wall, equal fixedly connected with pin (11) of ratchet (11).

2. A solid geometry teaching demonstration case according to claim 1 wherein: the outer wall of the pressing plate (2) is arranged on the inner wall of the box body (1).

3. A solid geometry teaching demonstration case according to claim 1 wherein: the geometry (9) varies in shape.

4. A solid geometry teaching demonstration case according to claim 1 wherein: the pressing plate (2) is symmetrical with respect to the center line of the box body (1).

5. A solid geometry teaching demonstration case according to claim 1 wherein: the height of the threaded rod (6) is higher than that of the box body (1).

6. A solid geometry teaching demonstration case according to claim 1 wherein: the pressing plate (2) is made of polyphenylene sulfide.

7. A solid geometry teaching demonstration case according to claim 1 wherein: the threaded rod (6) and the connecting column (10) are in a vertical state in space.

8. A solid geometry teaching demonstration case according to claim 1 wherein: the extension lines at two ends of the connecting column (10) are in a space vertical state with the box body (1).