CN112265395A - Interactive teaching aid based on mathematical thinking training of primary and middle schools and use method thereof - Google Patents

Interactive teaching aid based on mathematical thinking training of primary and middle schools and use method thereof Download PDF

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Publication number
CN112265395A
CN112265395A CN202011164917.7A CN202011164917A CN112265395A CN 112265395 A CN112265395 A CN 112265395A CN 202011164917 A CN202011164917 A CN 202011164917A CN 112265395 A CN112265395 A CN 112265395A
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teaching board
teaching
board body
interactive
pair
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CN112265395B (en
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魏佳
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Bohai University
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Bohai University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04Blackboards
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass
    • A47B97/04Easels or stands for blackboards or the like

Abstract

The invention discloses an interactive teaching aid based on mathematical thinking training of primary and middle schools and a using method thereof, belongs to the field of teaching aids, and comprises a teaching board body, a mounting base arranged on a wall body, a pair of multi-stage telescopic rods and a pair of positioning plates arranged on the wall body, wherein the shape of the teaching board can be changed; can change the teaching board from ordinary rectangle structure to regular polygon, every interactive student possess that one side teaching board of oneself, because there is the angle between the teaching board, the condition that is difficult for having each other to copy when doing the problem takes place, make the student form good doing the problem custom, and simultaneously, still can utilize to press the bell to rush the question and answer, increase the enthusiasm that the student studied, help the exercise to student's thinking, in addition, press the bell only can use when teaching is interactive, the great security that has increased of obstructed electrode at ordinary times.

Description

Interactive teaching aid based on mathematical thinking training of primary and middle schools and use method thereof
Technical Field
The invention relates to the field of teaching aids, in particular to an interactive teaching aid based on mathematical thinking training of primary and middle schools and a using method thereof.
Background
To the student of middle and primary schools, be in the stage that begins to deepen the mathematics contact, the mathematics degree of difficulty begins to increase, if on mathematics class, the mr can lead to the classroom dull and dry according to traditional mode teaching, the student can not go forward, be difficult to understand, long-time back, the student can produce conflict psychology to study, lead to learning efficiency poor, along with people's attention to classroom study, some teacher and student's interactive teaching aid has begun to appear, increase the interest of classroom study with interactive teaching aid, however, interactive teaching aid in the present life is most comparatively simple, to middle and primary school student, the meaning of existence is little, can not carry out fine exercise to student's thinking.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an interactive teaching aid based on mathematical thinking training of middle and primary schools and a using method thereof, which can change the shape of a teaching board, can change the teaching board from a common rectangular structure to a regular polygon when a teacher needs students to cooperate with a blackboard for teaching interaction, each interactive student has the teaching board of the student, and due to the angle between the teaching boards, mutual copy is not easy to happen during question making, so that the student develops a good question making habit.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The interactive teaching aid based on mathematical thinking training of primary and middle schools comprises a teaching board body, a mounting base arranged on a wall body, a pair of multi-stage telescopic rods and a pair of positioning boards arranged on the wall body; the teaching board body can be unfolded to form a rectangular structure and can also be rotated to form a regular polygonal structure, and the teaching board body is distributed in bilateral symmetry with respect to the mounting base; the pair of multi-stage telescopic rods are connected between the mounting base and the middle part of the teaching board body; both ends of the teaching board body are connected with the mounting base; the pair of positioning plates are symmetrically arranged about the mounting base and are respectively positioned on two sides of the teaching board body, and positioning holes matched with the end part of the teaching board body are chiseled on the positioning plates.
Further, the teaching board body includes positive teaching board, two pairs of side teaching boards and a pair of back teaching board, and two pairs of side teaching boards and a pair of back teaching board all are connected through the pivot rotation about positive teaching board symmetric distribution, between positive teaching board and side teaching board, a pair of side teaching board and between side teaching board and the back teaching board, the width and the length of positive teaching board and side teaching board are equal, the length of back teaching board equals with positive teaching board, and the width of back teaching board is half of positive teaching board.
Further, the locating plate slope sets up, and is a pair of the one end that the wall body was kept away from to the locating plate is close to each other, and is a pair of distance between the locating plate is not less than the total length of formal teaching board and two offside teaching boards, with back teaching board location behind the locating hole, back teaching board and the formation obtuse angle of side teaching inter-plate are difficult for causing the injury to the student.
Furthermore, the included angle between the positioning plate and the wall body is 60 degrees, and the included angle is the same as the minimum angle formed between the rear teaching plate and the side teaching plate, so that the side teaching plate can be kept horizontal.
Further, the both ends of teaching board body all with be provided with the circular telegram structure between the mounting base, the one end that the wall body was kept away from to the teaching board body is installed a plurality of rings, and is located the lower border department that is close to the teaching board body according to the ring, and is a plurality of press the ring all through circular telegram structure and mounting base connection, press the ring student's of being convenient for to race to answer a question, temper student's reaction thinking, increase the enthusiasm of study, can also give mr and classmate the suggestion that the problem finishes through pressing the ring simultaneously, perhaps can also carry out other activities through pressing the ring, have the multiple use.
Further, the circular telegram structure includes mounting groove, conducting contact piece, transition contact and bottom contact, the mounting groove is excavated on mounting base's lateral wall, conducting contact piece fixed connection is perpendicular at the tip of teaching board body and with the teaching board body, and conducting contact piece and according to bell electric connection, the opening part of mounting groove is provided with a pair of anticreep boss, and conducting contact piece and teaching board body all are located between a pair of anticreep boss, the transition contact is placed in the mounting groove, a plurality of compression springs of fixedly connected with between the inner bottom end of transition contact and mounting groove, bottom contact fixed connection is at the inner bottom end of mounting groove, the transition contact is located between bottom contact and the teaching board body, and the both sides of transition contact are contradicted with conducting contact piece and bottom contact respectively.
Further, the length of transition contact is greater than the distance between a pair of anticreep boss, makes the transition contact be difficult for crossing anticreep boss and goes to the mounting groove outside to guarantee the effect of shielding of transition contact to the mounting groove notch, make the difficult accumulation of dust in the mounting groove.
Further, all be equipped with angle stop gear in every pivot department, angle stop gear and teaching board body fixed connection, angle stop gear includes first stopper and second stopper, works as when the teaching board body forms regular polygon structure, first stopper and second stopper contact, because the teaching board body comprises a lot of plates, first stopper and second stopper can restrict the angle between two adjacent plates to ensure regular polygon structure's formation effect.
Furthermore, the front end of the teaching board body is connected with a plurality of dust packing boxes in a clamping mode, the number of the dust packing boxes is the same as that of the press bells, the press bells are located on the inner sides of the dust packing boxes, the dust packing boxes are placed on the lower side of the front end of the teaching board body, dust falling down from the teaching board body can be collected, the ground is not prone to being polluted, the cleaning difficulty is reduced, meanwhile, the press bells can be protected by the dust packing boxes, the press bells are not prone to being mistakenly touched, a thickness reduction groove is formed in the positions, corresponding to the press bells, of the front ends of the dust packing boxes, the positions, corresponding to the press bells, of the front sides of the dust packing boxes are reduced in thickness, and the press bells on the inner sides of.
The use method of the interactive teaching aid based on the mathematical thinking training of the primary and secondary schools comprises the following steps:
when interactive teaching needs to be carried out:
step one, manually pulling out two ends of the teaching board body from the positioning holes, and releasing the fixing of the positioning holes on the two ends of the teaching board body;
secondly, holding the middle part of the teaching board body to move towards the direction far away from the wall body, and slowly extending the multi-stage telescopic rod in the process;
thirdly, when the multi-stage telescopic rod cannot extend any more, the two ends of the teaching board body are held and folded towards one side close to the mounting base to form a regular polygon structure;
the fourth step, install the both ends of teaching board body on the mounting base, fix a position regular polygon structure, can accomplish the required shape of interactive teaching, after interactive teaching, can reverse operation make its reconversion.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
one, this scheme can realize changing the shape of teaching board, when mr needs the student cooperation to go up the blackboard and imparts knowledge to students the interdynamic, can follow ordinary rectangle structural transformation with the teaching board and become regular polygon, and every interactive student has that one side teaching board of oneself, because there is the angle between the teaching board, the difficult condition that exists when doing the problem and copy each other takes place, makes the student develop good doing the problem custom.
Two, locating plate slope sets up, and the one end that the wall body was kept away from to a pair of locating plate is close to each other, and the distance between a pair of locating plate is not less than the total length of formal teaching board and two offside teaching boards, with back teaching board location behind the locating hole, forms the obtuse angle between back teaching board and the side teaching board, is difficult for causing the injury to the student.
And the included angle between the positioning plate and the wall body is 60 degrees, and is the same as the minimum angle formed between the rear teaching plate and the side teaching plate, so that the side teaching plate is kept horizontal.
Four, the both ends of teaching board body all with be provided with the circular telegram structure between the mounting base, the one end that the wall body was kept away from to the teaching board body is installed a plurality of rings of pressing, and be located the lower border department that is close to the teaching board body according to the ring, a plurality of rings of pressing all are through circular telegram structure and mounting base connection, press the student's of being convenient for to race to answer a question, temper student's reaction thinking, increase the enthusiasm of study, simultaneously can also give teacher and classmate the suggestion that the problem finishes through pressing the ring, perhaps can also carry out other activities through pressing the ring, and the multifunctional purpose has.
Fifth, the power-on structure comprises a mounting groove, a conductive contact block, a transition contact piece and a bottom contact piece, the mounting groove is drilled on the side wall of the mounting base, the conductive contact block is fixedly connected with the end part of the teaching board body and is vertical to the teaching board body, the conductive contact block is electrically connected with the press bell, a pair of anti-falling bosses are arranged at the opening of the mounting groove, the conductive contact block and the teaching board body are both positioned between the pair of anti-falling bosses, the transition contact piece is arranged in the mounting groove, a plurality of compression springs are fixedly connected between the transition contact piece and the inner bottom end of the mounting groove, the bottom contact piece is fixedly connected with the inner bottom end of the mounting groove, the transition contact piece is positioned between the bottom contact piece and the teaching board body, and two sides of the transition contact piece are respectively abutted against the conductive contact block and the bottom contact piece, under the effect of the power-on structure, the ring-pressing can be used only during teaching interaction, and the safety is increased because the ring-pressing does not pass through the electrode greatly at ordinary times.
Sixth, the length of transition contact is greater than the distance between a pair of anticreep boss, makes the transition contact be difficult for crossing anticreep boss and goes to the mounting groove outside to guarantee the effect of shielding of transition contact to the mounting groove notch, make the difficult accumulation of dust in the mounting groove.
Seventhly, all be equipped with angle stop gear in every pivot department, angle stop gear and teaching board body fixed connection, angle stop gear includes first stopper and second stopper, when the teaching board body forms regular polygon structure, first stopper and second stopper contact, because the teaching board body comprises a lot of plates, first stopper and second stopper can restrict the angle between two adjacent plates to ensure regular polygon structure's formation effect.
Eight, the front end joint of teaching board body has a plurality of dirt dress boxes, and the quantity of dirt dress box is the same with the bell, the bell is in the inboard of dirt dress box, the dirt dress box is placed at teaching board body front end downside, can collect the dust of writing down on the teaching board body, be difficult for polluting ground, it increases the clearance degree of difficulty to reduce, the dirt dress box can also protect the bell simultaneously, the condition of touching by mistake that the bell is difficult for appearing, the front end of dirt dress box and the position that the bell corresponds are opened there is the groove of reducing thickness, reduce thickness to the corresponding position of dirt dress box front side and bell, be convenient for trigger its inboard bell promptly through pressing the dirt dress box outside.
Drawings
FIG. 1 is a schematic front perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention (with the dust box removed);
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the structure of FIG. 2 at B;
FIG. 5 is a schematic perspective view of the teaching board body of the present invention when it is unfolded into a rectangular configuration;
FIG. 6 is a schematic view of the structure of FIG. 5 at C;
FIG. 7 is a schematic top view of the teaching board body of the present invention when it is unfolded into a rectangular configuration;
fig. 8 is a schematic structural view of the power-on structure of the teaching board body according to the present invention when the teaching board body is unfolded into a rectangular structure (the dust box is removed in this figure).
The reference numbers in the figures illustrate:
a, a wall body;
1, a teaching board body, a 11 front teaching board, a 12 side teaching board and a 13 rear teaching board;
2, mounting a base;
3, a multi-stage telescopic rod;
4, positioning plates and 4-1 positioning holes;
5, a power-on structure, 51 mounting grooves, 51-1 anti-drop bosses, 52 conductive contact blocks, 53 transition contacts, 54 compression springs and 55 bottom contacts;
the device comprises a 6-angle limiting mechanism, a 61 first limiting block and a 62 second limiting block;
7, ringing;
81 dust box and 82 thickness reduction groove.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
Example 1:
referring to fig. 1-8, an interactive teaching aid based on mathematical thinking training in primary and secondary schools comprises a teaching board body 1, a mounting base 2 mounted on a wall a, a pair of multi-stage telescopic rods 3 and a pair of positioning plates 4 mounted on the wall a; the teaching board body 1 can be unfolded to form a rectangular structure and can also be rotated to form a regular polygon structure, the regular polygon structure is more stable than a non-regular polygon structure, so that students can write on each board conveniently, and the teaching board body 1 is distributed in a left-right symmetrical mode relative to the mounting base 2, so that the stabilizing effect is enhanced; the pair of multi-stage telescopic rods 3 are connected between the mounting base 2 and the middle part of the teaching board body 1, and the multi-stage telescopic rods 3 control the maximum and minimum telescopic lengths, so that the rapid switching of teachers is facilitated; both ends of the teaching board body 1 are connected with the mounting base 2; the pair of positioning plates 4 are symmetrically arranged about the mounting base 2 and are respectively positioned at two sides of the teaching board body 1, positioning holes 4-1 matched with the end part of the teaching board body 1 are drilled on the positioning plates 4, and as can be seen from the back, the end part of the teaching board body 1 is provided with a conductive contact block 52, and elastic rubber can be arranged in the positioning holes 4-1 to firmly clamp and position the end part of the teaching board body 1.
Referring to fig. 7, the teaching board body 1 includes a front teaching board 11, two pairs of side teaching boards 12 and a pair of rear teaching boards 13, the two pairs of side teaching boards 12 and the pair of rear teaching boards 13 are symmetrically distributed with respect to the front teaching board 11, the front teaching board 11 and the side teaching boards 12, the pair of side teaching boards 12 and the rear teaching board 13 are rotatably connected by a rotating shaft, the front teaching board 11 and the side teaching boards 12 have the same width and length, the rear teaching board 13 has the same length as the front teaching board 11, and the rear teaching board 13 has a width half of that of the front teaching board 11.
Referring to fig. 2 and 7, the positioning plates 4 are obliquely arranged, one ends of the pair of positioning plates 4 far away from the wall a are close to each other, the distance between the pair of positioning plates 4 is not less than the total length of the front teaching plate 11 and the two opposite side teaching plates 12, the rear teaching plate 13 is positioned behind the positioning hole 4-1, an obtuse angle is formed between the rear teaching plate 13 and the side teaching plates 12, the rear teaching plate is not easy to hurt students, the included angle b between the positioning plates 4 and the wall a is 60 degrees, and is the same as the minimum angle formed between the rear teaching plate 13 and the side teaching plates 12, so that the side teaching plates 12 are kept horizontal.
Please refer to fig. 3-5, a power-on structure 5 is arranged between both ends of the teaching board body 1 and the mounting base 2, one end of the teaching board body 1 far from the wall a is provided with a plurality of press bells 7, the press bells 7 are positioned at the lower edge of the teaching board body 1, the press bells 7 are connected with the mounting base 2 through the power-on structure 5, the press bells 7 are convenient for the students to answer, the students' reaction thinking is exercised, the study enthusiasm is increased, meanwhile, the prompt of finishing the questions of the teachers and the students can be given through the press bells 7, or other activities can be performed through the press bells 7, and the teaching board has multiple purposes.
Referring to fig. 3, the power structure 5 includes a mounting groove 51, a conductive contact block 52, a transition contact piece 53 and a bottom contact piece 55, the mounting groove 51 is cut on the sidewall of the mounting base 2, a notch of the mounting groove 51 can be provided with rubber to facilitate the stabilization of the teaching board body 1 in the mounting groove 51, the conductive contact block 52 is fixedly connected to the end of the teaching board body 1 and is perpendicular to the teaching board body 1, the conductive contact block 52 is electrically connected to the bell 7, a pair of anti-falling bosses 51-1 are provided at the opening of the mounting groove 51, the conductive contact block 52 and the teaching board body 1 are both located between the pair of anti-falling bosses 51-1, the transition contact piece 53 is placed in the mounting groove 51, a plurality of compression springs 54 are fixedly connected between the transition contact piece 53 and the inner bottom end of the mounting groove 51, the bottom contact piece 55 is fixedly connected to the inner bottom end of the mounting groove 51, the transition contact piece 53 is located between the, and both sides of the transition contact piece 53 are respectively abutted against the conductive contact block 52 and the bottom contact piece 55; one surface of the conductive contact block 52 close to the transition contact piece 53 is provided with a conductive effect, and other exposed parts do not have the conductive effect, so that accidental electric shock is prevented, the transition contact piece 53 and the bottom contact piece 55 can be both conductive, the bottom contact piece 55 is connected with an external power supply, and the transition contact piece 53 is electrically connected with the pressing bell 7; the length of the transition contact piece 53 is larger than the distance between the pair of anti-falling bosses 51-1, so that the transition contact piece 53 is not easy to cross the anti-falling bosses 51-1 to the outer side of the mounting groove 51, thereby ensuring the shielding effect of the transition contact piece 53 on the notch of the mounting groove 51 and ensuring that dust is not easy to accumulate in the mounting groove 51.
When the conductive contact block 52, the transition contact piece 53 and the bottom contact piece 55 are mutually abutted under the elastic force of the compression spring 54, namely in the state shown in fig. 3, the pressing bells 7 are electrified, the pressing bells 7 can make a sound, the pressing bells 7 are connected in parallel, and the independence of the pressing bells 7 is realized, so that the use of students in the teaching interaction process is facilitated; when teaching interaction is not performed, the end part of the teaching board body 1 is taken out from the mounting groove 51, the transition contact piece 53 is pressed to be blocked by the pair of anti-falling bosses 51-1 under the action of the compression spring 54, please refer to fig. 8, at the moment, the transition contact piece 53 is not in contact with the bottom contact piece 55, the transition contact piece 53 is not electrified, the safety is improved, and the dust blocking effect is achieved, so that the service life of the bottom contact piece 55 is not easily influenced by dust.
Please refer to fig. 4, an angle limiting mechanism 6 is disposed at each rotating shaft, the angle limiting mechanism 6 is fixedly connected to the teaching board body 1, the angle limiting mechanism 6 includes a first limiting block 61 and a second limiting block 62, when the teaching board body 1 forms a regular polygon structure, the first limiting block 61 contacts with the second limiting block 62, because the teaching board body 1 is composed of a plurality of plates, the first limiting block 61 and the second limiting block 62 can limit the angle between two adjacent plates, thereby ensuring the forming effect of the regular polygon structure.
Referring to fig. 5, the front end of the teaching board body 1 is clamped with a plurality of dust packing boxes 81, the number of the dust packing boxes 81 is the same as that of the push bell 7, the push bell 7 is located on the inner side of the dust packing box 81, the dust packing box 81 is placed on the lower side of the front end of the teaching board body 1, dust falling from a writing on the teaching board body 1 can be collected, the ground is not easily polluted, the cleaning difficulty is reduced, meanwhile, the push bell 7 can be protected by the dust packing box 81, the push bell 7 is not easily touched by mistake, a thickness reduction groove 82 is drilled in the position, corresponding to the push bell 7, of the front end of the dust packing box 81, the thickness reduction is performed on the position, corresponding to the push bell 7, of the front side of the dust packing box 81, and the push bell 7 on the inner side of the dust packing box 81 is conveniently triggered.
When interactive teaching needs to be carried out: manually pulling out two ends of the teaching board body 1 from the positioning holes 4-1, removing the fixing of the positioning holes 4-1 to the two ends of the teaching board body 1, holding the middle part of the teaching board body 1 to move towards the direction far away from the wall body a, slowly extending the multi-stage telescopic rods 3 in the process, starting to hold the two ends of the teaching board body 1 to fold towards one side close to the mounting base 2 when the multi-stage telescopic rods 3 cannot extend again to form a regular polygon structure, as shown in fig. 2, mounting the two ends of the teaching board body 1 on the mounting base 2, and positioning the regular polygon structure to finish the shape required by interactive teaching; after the interactive teaching is finished: the teaching board can be restored by reverse operation, and the teaching board has the specific operation that the two end parts of the teaching board body 1 are taken down from the mounting base 2, then the teaching board body 1 is unfolded towards the two sides to be horizontal, then the rear teaching board 13 is bent to be attached to the positioning plate 4, and the conductive contact blocks 52 at the end parts of the rear teaching board 13 are clamped into the positioning holes 4-1 for fixing.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (10)

1. Interactive teaching aid based on middle and primary school mathematics thinking training, its characterized in that:
the teaching board comprises a teaching board body (1), a mounting base (2) arranged on a wall body (a), a pair of multi-stage telescopic rods (3) and a pair of positioning plates (4) arranged on the wall body (a);
the teaching board body (1) can be unfolded to form a rectangular structure and can also be rotated to form a regular polygon structure, and the teaching board body (1) is distributed in a left-right symmetrical mode relative to the mounting base (2);
the pair of multi-stage telescopic rods (3) are connected between the mounting base (2) and the middle part of the teaching board body (1);
both ends of the teaching board body (1) are connected with the mounting base (2);
the pair of positioning plates (4) are symmetrically arranged relative to the mounting base (2) and are respectively positioned at two sides of the teaching plate body (1), and positioning holes (4-1) matched with the end part of the teaching plate body (1) are drilled in the positioning plates (4).
2. The interactive teaching aid based on mathematical thinking training in primary and secondary schools according to claim 1, which is characterized in that: teaching board body (1) is including positive teaching board (11), two pairs of side teaching boards (12) and a pair of back teaching board (13), and two pairs of side teaching boards (12) and a pair of back teaching board (13) all are about positive teaching board (11) symmetric distribution, all rotate through the pivot between positive teaching board (11) and side teaching board (12), a pair of side teaching board (12) and between side teaching board (12) and back teaching board (13) and be connected, the width and the length of positive teaching board (11) and side teaching board (12) are equal, the length of back teaching board (13) equals with positive teaching board (11), and the width of back teaching board (13) is the half of positive teaching board (11).
3. The interactive teaching aid based on mathematical thinking training in primary and secondary schools according to claim 2, which is characterized in that: the positioning plates (4) are obliquely arranged, one ends, far away from the wall body (a), of the positioning plates (4) are close to each other, and the distance between the positioning plates (4) is not smaller than the total length of the front teaching plate (11) and the two opposite side teaching plates (12).
4. The interactive teaching aid based on mathematical thinking training in primary and secondary schools according to claim 1, which is characterized in that: and an included angle b between the positioning plate (4) and the wall body (a) is 60 degrees.
5. The interactive teaching aid based on mathematical thinking training in primary and secondary schools according to claim 1, which is characterized in that: the teaching board comprises a teaching board body (1), wherein a power-on structure (5) is arranged between each of two end portions of the teaching board body (1) and a mounting base (2), a plurality of pressing rings (7) are arranged at one end, far away from a wall body (a), of the teaching board body (1), the pressing rings (7) are located at the lower edge of the teaching board body (1), and the pressing rings (7) are connected with the mounting base (2) through the power-on structures (5).
6. An interactive teaching aid based on mathematical thinking training in middle and primary schools according to claim 5, which is characterized in that: the power-on structure (5) comprises a mounting groove (51), a conductive contact block (52), a transition contact piece (53) and a bottom contact piece (55), the mounting groove (51) is drilled on the side wall of the mounting base (2), the conductive contact block (52) is fixedly connected to the end part of the teaching board body (1) and is perpendicular to the teaching board body (1), the conductive contact block (52) is electrically connected with the button (7), a pair of anti-falling bosses (51-1) are arranged at the opening of the mounting groove (51), the conductive contact block (52) and the teaching board body (1) are both positioned between the pair of anti-falling bosses (51-1), the transition contact piece (53) is placed in the mounting groove (51), a plurality of compression springs (54) are fixedly connected between the inner bottom ends of the transition contact piece (53) and the mounting groove (51), the bottom contact piece (55) is fixedly connected to the inner bottom end of the mounting groove (51), the transition contact piece (53) is positioned between the bottom layer contact piece (55) and the teaching board body (1), and two sides of the transition contact piece (53) are respectively abutted against the conductive contact block (52) and the bottom layer contact piece (55).
7. The interactive teaching aid based on mathematical thinking training in middle and primary schools according to claim 6, which is characterized in that: the length of the transition contact piece (53) is larger than the distance between the pair of anti-falling bosses (51-1).
8. The interactive teaching aid based on mathematical thinking training in primary and secondary schools according to claim 1, which is characterized in that: all be equipped with angle stop gear (6) in every pivot department, angle stop gear (6) and teaching board body (1) fixed connection, angle stop gear (6) include first stopper (61) and second stopper (62), work as when teaching board body (1) forms regular polygon structure, first stopper (61) and second stopper (62) contact.
9. An interactive teaching aid based on mathematical thinking training in middle and primary schools according to claim 5, which is characterized in that: the teaching board is characterized in that a plurality of dust packing boxes (81) are connected to the front end of the teaching board body (1) in a clamping mode, the number of the dust packing boxes (81) is the same as that of the press bells (7), the press bells (7) are located on the inner sides of the dust packing boxes (81), and thickness reducing grooves (82) are formed in the positions, corresponding to the press bells (7), of the front ends of the dust packing boxes (81).
10. The use method of the interactive teaching aid based on mathematical thinking training in primary and secondary schools according to claim 1, which is characterized in that: the method comprises the following steps:
when interactive teaching needs to be carried out:
firstly, manually pulling out two ends of the teaching board body (1) from the positioning holes (4-1) to release the fixing of the positioning holes (4-1) on the two ends of the teaching board body (1);
secondly, holding the middle part of the teaching board body (1) to move towards the direction far away from the wall body (a), and slowly extending the multi-stage telescopic rod (3) in the process;
thirdly, when the multi-stage telescopic rod (3) can not extend any more, the two ends of the teaching board body (1) are held and folded towards one side close to the mounting base (2) to form a regular polygon structure;
the fourth step, install the both ends of teaching board body (1) on mounting base (2), fix a position regular polygon structure, can accomplish the required shape of interactive teaching, after interactive teaching, can reverse operation make its reconversion.
CN202011164917.7A 2020-10-27 2020-10-27 Interactive teaching aid based on mathematical thinking training of primary and middle schools and use method thereof Active CN112265395B (en)

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CN202011164917.7A CN112265395B (en) 2020-10-27 2020-10-27 Interactive teaching aid based on mathematical thinking training of primary and middle schools and use method thereof

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Application Number Priority Date Filing Date Title
CN202011164917.7A CN112265395B (en) 2020-10-27 2020-10-27 Interactive teaching aid based on mathematical thinking training of primary and middle schools and use method thereof

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