CN215417167U

CN215417167U - Primary school mathematics figure presentation device

Info

Publication number: CN215417167U
Application number: CN202121673543.1U
Authority: CN
Inventors: 郑翠萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-04
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to a primary school mathematics figure demonstration device which comprises a base, wherein a first rotating rod is movably mounted at the top of the base, a display device is fixedly mounted at the top of the first rotating rod, the display device comprises a supporting plate, a fixing rod, a second rotating rod, a display rack, a magnet, a transverse display rod and a vertical display rod, the supporting plate is fixedly mounted at the top of the first rotating rod, the fixing rod is fixedly mounted at the top of the supporting plate, and the second rotating rod is movably mounted inside the fixing rod. This primary school mathematics figure presentation device, through setting up magnet, when the teacher need demonstrate for the student, only need with horizontal show pole and erect the front laminating of show pole and show shelf, can remove horizontal show pole and erect the show pole at will according to the teaching demand to put out various shapes, simplified presentation device's operation flow, make the teacher can show for the student more audio-visually, the student operates and gets up also very simply, has improved the quality of teaching.

Description

Primary school mathematics figure presentation device

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a primary school mathematics figure demonstration device.

Background

Teaching aids refer to various devices such as models, objects, specimens, instruments, charts, slides, etc. for explaining something.

In primary school's mathematics, in order to let the student have more clear cognition to the figure, need teach the demonstration with the help of presentation device, but present presentation device operation is complicated, and can only show plane figure mostly, can not show three-dimensional figure for the student is not deep enough to the cognition of figure, has influenced the quality of teaching greatly, so provides a primary school's mathematics figure presentation device, solves the problem that the aforesaid was proposed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a primary school mathematics figure demonstration device which has the advantage of one machine with multiple functions and solves the problems that the prior demonstration device is complicated to operate, can only show plane figures mostly and can not show three-dimensional figures, so that students cannot deeply perceive the figures and the teaching quality is greatly influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a primary school mathematics figure demonstration device comprises a base, wherein a first rotating rod is movably mounted at the top of the base, and a display device is fixedly mounted at the top of the first rotating rod;

the display device comprises a supporting plate, a fixing rod, a second rotating rod, a display rack, a magnet, a transverse display rod and an upright display rod, wherein the supporting plate is fixedly arranged at the top of the first rotating rod, the fixing rod is fixedly arranged at the top of the supporting plate, the second rotating rod is movably arranged inside the fixing rod, the display rack is fixedly arranged outside the second rotating rod, the magnet is fixedly arranged inside the display rack, the transverse display rod is attached to the front of the display rack, and the upright display rod is connected to the top of the transverse display rod through threads.

Further, the top fixed mounting of base has the connecting seat, the bottom fixed mounting of backup pad has the fixing base, the first rotation pole that the connecting seat rotated the connection through its top and fixing base fixed connection.

Further, the quantity of dead lever is two, two the dead lever corresponds each other, the left side fixed mounting of second dwang has the spacing collar, spacing hole that quantity is two is seted up to the inside of spacing collar, the inside swing joint in spacing hole has the gag lever post.

Further, the front fixed mounting of show shelf has the inoxidizing coating, the top of magnet and the back laminating of inoxidizing coating.

Further, horizontal show pole includes first show pole and second show pole, the length of first show pole is greater than the length of second show pole, the screw hole that quantity is two is all seted up at the top of first show pole and second show pole.

Furthermore, the inside equal movable mounting of horizontal show pole and perpendicular show pole has the device of buckling, the bottom fixed mounting of perpendicular show pole has the screw rod, the top fixed mounting of show pole has the inserted bar.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this primary school mathematics figure presentation device, through setting up magnet, when the teacher need demonstrate for the student, only need with horizontal show pole and erect the front laminating of show pole and show shelf, can remove horizontal show pole and erect the show pole at will according to the teaching demand to put out various shapes, simplified presentation device's operation flow, make the teacher can show for the student more audio-visually, the student operates and gets up also very simply, has improved the quality of teaching.

2. This primary school mathematics figure presentation device, through setting up the second bull stick, when the mr needs show three-dimensional figure to the student, only need rotate the second bull stick, become the horizontal direction with the direction of show shelf from the vertical direction, then through being connected horizontal show pole and perpendicular show pole, can put out various three-dimensional figure, make the student can form various three-dimensional figure through the horizontal show pole of free butt joint and perpendicular show pole, make the student have more profound cognition to plane figure and three-dimensional figure, the teaching quality has been improved.

Drawings

FIG. 1 is a plan view of the present invention;

FIG. 2 is a side view of the display device of the present invention;

FIG. 3 is a cross-sectional view of the display device of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 5 is an enlarged view of the utility model at B in FIG. 2.

In the figure: 1 base, 2 first rotating rods, 3 display devices, 301 supporting plates, 302 fixing rods, 303 second rotating rods, 304 display stands, 305 magnets, 306 transverse display rods and 307 vertical display rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a primary school mathematics figure demonstration device comprises a base 1, a first rotating rod 2 is movably mounted at the top of the base 1, the first rotating rod 2 enables a teacher to adjust the angle of a display device 3 according to the visual angle of a student, so that the student can understand the figure more deeply, the display device 3 is fixedly mounted at the top of the first rotating rod 2, and the display device 3 is used for displaying various plane figures and three-dimensional figures for the student;

referring to fig. 1-5, the display device 3 includes a supporting plate 301, a fixing rod 302, a second rotating rod 303, a display shelf 304, a magnet 305, a horizontal display rod 306 and a vertical display rod 307, the supporting plate 301 is fixedly installed on the top of the first rotating rod 2, the supporting plate 301 is used for supporting the display device 3, the fixing rod 302 is fixedly installed on the top of the supporting plate 301, the fixing rod 302 is used for fixing the display shelf 304, the second rotating rod 303 is movably installed inside the fixing rod 302, the second rotating rod 303 enables a teacher to adjust the angle of the display shelf 304 according to actual conditions, so that the student can observe more visually, the display shelf 304 is fixedly installed outside the second rotating rod 303, the display shelf 304 is a main body part of the display device 3 and is used for displaying various plane figures and three-dimensional figures for the student, by arranging the second rotating rod 302, when the teacher needs to display the three-dimensional figures for the student, the direction of the display rack 304 is changed from the vertical direction to the horizontal direction only by rotating the second rotating rod 302, then various three-dimensional figures can be put out by connecting the horizontal display rod 306 with the vertical display rod 307, so that students can form various three-dimensional figures by freely butting the horizontal display rod 306 and the vertical display rod 307, so that students can have more profound cognition on plane figures and three-dimensional figures, the teaching quality is improved, the display rack 304 is fixedly provided with a magnet 305 inside, the magnet 305 is used for adsorbing the horizontal display rod 306 and the vertical display rod 307, the front of the display rack 304 is adhered with the horizontal display rod 306, the top of the horizontal display rod 306 is connected with the vertical display rod 307 through threads, the horizontal display rod 306 and the vertical display rod 307 are both iron metal rods and can be adsorbed by the magnet 305, so that teachers can freely move the horizontal display rod 306 and the vertical display rod 307 on the front of the display rack 304, through arranging the magnet 305, when the teacher need demonstrate for the student, only need with horizontal show pole 306 and

erect show pole

307 and 304 front laminating of show shelf, can remove horizontal show pole 306 and erect show pole 307 at will according to the teaching demand to put out various shapes, simplified presentation device's operation flow, make the mr can show for the student more audio-visually, the student operates also very simply, has improved the quality of teaching.

When in implementation, the method comprises the following steps:

1) firstly, the horizontal display rod 306 and the vertical display rod 307 are attached to the front surface of the display frame 304;

2) then the display device 3 is rotated according to the visual angle of the student;

3) then the horizontal display rod 306 and the vertical display rod 307 are arranged into various figures according to the teaching requirement;

4) and finally, teaching can be started.

To sum up, this primary school mathematics figure presentation device, through setting up magnet 305, when the teacher need demonstrate for the student, only need with horizontal show pole 306 and

erect show pole

307 and 304 front laminating of show shelf, can remove horizontal show pole 306 and erect show pole 307 at will according to the teaching demand to put out various shapes, simplified presentation device's operation flow, make the mr can show for the student more audio-visually, the student operates also very simply, improved the teaching quality.

And, this primary school's mathematics figure presentation device, through setting up second bull stick 302, when the mr needs to show the stereograph to the student, only need to rotate second bull stick 302, become the horizontal direction with the direction of show shelf 304 from the vertical direction, then through being connected horizontal show pole 306 with perpendicular show pole 307, can put out various stereographs, make the student can form various stereographs through horizontal show pole 306 of free butt joint and perpendicular show pole 307, make the student have more deep cognition to plane figure and stereograph, the teaching quality has been improved, it is complicated to have solved current presentation device operation, and can only show plane figure mostly, can not show the stereograph, make the student not deep enough to the cognition of figure, the problem of teaching quality has been influenced greatly.

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 an … …" 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a primary school's mathematics figure presentation device, includes base (1), its characterized in that: a first rotating rod (2) is movably mounted at the top of the base (1), and a display device (3) is fixedly mounted at the top of the first rotating rod (2);

display device (3) include backup pad (301), dead lever (302), second dwang (303), show shelf (304), magnet (305), horizontal show pole (306) and erect show pole (307), the top fixed mounting of first dwang (2) has backup pad (301), the top fixed mounting of backup pad (301) has dead lever (302), the inside movable mounting of dead lever (302) has second dwang (303), the outside fixed mounting of second dwang (303) has show shelf (304), the inside fixed mounting of show shelf (304) has magnet (305), the front laminating of show shelf (304) has horizontal show pole (306), the top threaded connection of horizontal show pole (306) has vertical show pole (307).

2. An elementary school mathematical graphic presentation device according to claim 1, characterized in that: the top fixed mounting of base (1) has the connecting seat, the bottom fixed mounting of backup pad (301) has the fixing base, the connecting seat rotates first rotation pole (2) and the fixing base fixed connection of connecting through its top.

3. An elementary school mathematical graphic presentation device according to claim 1, characterized in that: the quantity of dead lever (302) is two, two dead lever (302) corresponds each other, the left side fixed mounting of second dwang (303) has the spacing collar, the spacing hole that quantity is two is seted up to the inside of spacing collar, the inside swing joint in spacing hole has the gag lever post.

4. An elementary school mathematical graphic presentation device according to claim 1, characterized in that: the front surface of the display rack (304) is fixedly provided with a protective layer, and the top of the magnet (305) is attached to the back surface of the protective layer.

5. An elementary school mathematical graphic presentation device according to claim 1, characterized in that: the horizontal display rod (306) comprises a first display rod and a second display rod, the length of the first display rod is larger than that of the second display rod, and two threaded holes are formed in the tops of the first display rod and the second display rod.

6. An elementary school mathematical graphic presentation device according to claim 1, characterized in that: the inside of horizontal show pole (306) and perpendicular show pole (307) all movable mounting have the device of buckling, the bottom fixed mounting of perpendicular show pole (307) has the screw rod, the top fixed mounting of show pole (307) has the inserted bar.