CN113823155A

CN113823155A - Mathematics teaching aid for mathematical thinking training and use method thereof

Info

Publication number: CN113823155A
Application number: CN202111179323.8A
Authority: CN
Inventors: 李国礼
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2021-12-21
Anticipated expiration: 2041-10-09
Also published as: CN113823155B

Abstract

The invention provides a mathematic teaching aid for mathematic thinking training and a using method thereof, wherein the mathematic teaching aid comprises a supporting structure, a folding assembly and a bearing plate; the supporting structure is provided with a supporting frame and a supporting base plate, the supporting base plate is positioned on the first side of the supporting frame, and an adsorption plate is arranged on the supporting base plate and is used for adsorbing the surface of an object; through the setting of a plurality of folding set squares, it can form two kinds of different states, has folding state of accomodating promptly and expandes the state of placing, and the plate body that forms a square figure is assembled when accomodating, then forms a square foundatin plate and four set squares that fall scattered and place after turning over a book, has just so realized turning over the area segmentation of square figure and the demonstration of the intuitionistic nature that turns over a combination, convenient to use. And this structure is very easily fixed to a vertical wall such as a blackboard, so that lecture and explanation to a teacher become easy.

Description

Mathematics teaching aid for mathematical thinking training and use method thereof

Technical Field

The invention relates to a teaching tool for students, in particular to a mathematical teaching aid for mathematical thinking training and a using method thereof.

Background

Mathematics is an important subject, and the mathematics includes a wide variety of types and involves a very large number of knowledge planes. Among them, geometry in mathematics is an important branch, and in learning of geometry, various basic figures such as squares, triangles, trapezoids, etc. are frequently applied and learned, and calculation of areas, calculation of circumferences, etc. of these basic figures are objects of important learning in primary schools and junior schools.

In the learning process of the basic geometric figure, the students can well establish different spatial thinking abilities through the actions of disassembling, turning, overlapping and the like of the figure so as to help the students to better learn the subject, for example, for a square, the four equally divided triangles can be separated, and the four triangles can form a square after being spliced. In actual classroom training, a teacher typically draws or explains the training with the aid of diagrams on a computer screen. However, the way of this explanation is not intuitive, and students cannot obtain direct perception from life or from the real world, and the learning through real objects will greatly contribute to the training and improvement of the students' mathematical thinking, so it is necessary to provide a device structure that is specifically folded and spliced for such geometric figures to construct basic thinking, so as to demonstrate and learn in class, and let students better master this knowledge.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a device which is convenient for visually displaying the folding function so as to realize the quick understanding of the splicing folding geometric mathematical conception of the square graphs and the triangular graphs.

The invention provides a mathematic teaching aid for mathematic thinking training, which comprises a supporting structure, a folding assembly and a bearing plate, wherein the supporting structure comprises a base, a plurality of supporting rods and a plurality of supporting rods, wherein the supporting rods are arranged on the base, the supporting rods are arranged on the supporting rods, and the supporting rods are arranged on the supporting rods:

the supporting structure is provided with a supporting frame and a supporting base plate, the supporting base plate is positioned on the first side of the supporting frame, and an adsorption plate is arranged on the supporting base plate and is used for adsorbing the surface of an object;

the folding assembly is arranged on the second side of the supporting frame and provided with a square foundation plate, a first folding triangular plate, a second folding triangular plate, a third folding triangular plate and a fourth folding triangular plate, the bottom line edges of the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate are connected to the corresponding edge portions of the square foundation plate through hinges, and the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate are folded to cover the square foundation plate;

the loading board sets up the bottom position of foundatin plate, the loading board forms first bearing part, second bearing part, third bearing part and fourth bearing part, first bearing part is used for accepting turns over a first folding set square after expanding, the second bearing part is used for accepting turns over a second folding set square after rolling over, the third bearing part is used for accepting turns over a back third folding set square, the fourth bearing part is used for bearing turns over a fourth folding set square after expanding.

The beneficial effect of above-mentioned scheme does: through the setting of a plurality of folding set squares, it can form two kinds of different states, has folding state of accomodating promptly and expandes the state of placing, and the plate body that forms a square figure is assembled when accomodating, then forms a square foundatin plate and four set squares that fall scattered and place after turning over a book, has just so realized turning over the area segmentation of square figure and the demonstration of the intuitionistic nature that turns over a combination, convenient to use. And this structure is very easily fixed to a vertical wall such as a blackboard, so that lecture and explanation to a teacher become easy.

According to a preferable scheme, the supporting frame is provided with a first door-shaped frame and a second door-shaped frame, main body rods of the first door-shaped frame and the second door-shaped frame are arranged in a crossed mode to form a connecting portion, two groups of guide rods are arranged on the first door-shaped frame, two groups of guide rods are arranged on the second door-shaped frame and are respectively located on two sides of the connecting portion, the center of the bearing plate is rotatably connected to the connecting portion, a first arc-shaped slotted hole, a second arc-shaped slotted hole, a third arc-shaped slotted hole and a fourth arc-shaped slotted hole are respectively formed in the bearing plate, and the first arc-shaped slotted hole, the second arc-shaped slotted hole, the third arc-shaped slotted hole and the fourth arc-shaped slotted hole are respectively matched with the four groups of guide rods correspondingly.

The beneficial effect of above-mentioned scheme does: through the cooperation relation of arc slotted hole and guide bar, can rotate the backup pad very fast and conveniently, and rotate in order to realize supporting when needs, and carry out the antiport when accomodating to have fixed action well to the set-square when supporting, it is more convenient to use.

One preferred scheme is, first magnetic adsorption piece has on the outside wall of first folding set square, second folding set square, third folding set square and fourth folding set square, corresponding second magnetic adsorption piece has on first load-bearing part, second load-bearing part, third load-bearing part and the fourth load-bearing part, first magnetic adsorption piece with the detachable cooperation of adsorbing of second magnetic adsorption piece is connected.

The beneficial effects of the above scheme are that, when turning over the triangle and placing, its stability is difficult to fine maintenance sometimes, and just can make both stable cooperations through the introduction of magnetism adsorption block. And a better component stabilizing effect is achieved.

Preferably, the connecting part has a central mounting groove, a lifting member is arranged in the central mounting groove, the lifting member comprises a clamping top plate, a lifting main body rod and a guiding slide rod which are sequentially arranged from top to bottom, and the lifting main body rod is provided with a spiral clamping groove; a driving convex head is arranged at the center of the bearing plate and is in fit connection with the spiral clamping groove; the guide sliding rod is in sliding fit with a slot bottom plate jack at the bottom of the central mounting slot;

the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate respectively form notch parts at joint parts, the notch parts are enclosed to form clamping fixing grooves, and the clamping fixing grooves are matched with the clamping top plate.

The beneficial effect of above-mentioned scheme does: when the clamping top plate is in a lifting state, the notch part is clamped and fixed in a friction mode, so that the triangular plate is in a clamping and fixing state and is prevented from being turned over by mistake. In addition, when the supporting plate is rotated, the clamping top plate is driven to lose the clamping effect, the triangular plate needs to be turned over to be displayed at the time, and meanwhile, the spiral clamping groove and the lifting main body rod are driven to move by driving the protruding head in the process of rotating the supporting plate, so that the lifting movement of the lifting piece is realized, and a good linkage driving effect is achieved.

The invention provides a using method of a mathematic teaching aid for mathematic thinking training, which comprises the following steps: adsorbing the support structure on the surface of an object through the adsorption disc so as to fix the position of the teaching aid;

the folding assembly has a folding state and an unfolding state, and when the folding assembly is in the folding state, the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate are all folded and cover on the square foundation plate to form an overlapping structure; when the unfolding state, then first folding set square, second folding set square, third folding set square and fourth folding set square then wind respectively correspond the edge portion and keep away from square foundatin plate through the roll-over action of articulated elements, then place first bearing part, second bearing part, third bearing part and the fourth bearing part at the loading board and carry out the outrigger, the switching through this kind of unfolding state and fold state is in order to demonstrate the geometric figure design that four triangle-shaped splices formation square structure.

The invention provides a method for using a mathematic teaching aid for mathematic thinking training, wherein a support frame is provided with a first door-shaped frame and a second door-shaped frame, main body rods of the first door-shaped frame and the second door-shaped frame are arranged in a crossed mode to form a connecting part, the first door-shaped frame is provided with two groups of guide rods, the second door-shaped frame is provided with two groups of guide rods, the two groups of guide rods are respectively positioned at two sides of the connecting part, the central position of a bearing plate is rotatably connected to the connecting part, the bearing plate is respectively provided with a first arc-shaped slotted hole, a second arc-shaped slotted hole, a third arc-shaped slotted hole and a fourth arc-shaped slotted hole, and the first arc-shaped slotted hole, the second arc-shaped slotted hole, the third arc-shaped slotted hole and the fourth arc-shaped slotted hole are respectively matched with the four groups of guide rods correspondingly;

the using method comprises the following steps: the bearing plate is provided with a storage superposition state and an expansion support state, the bearing plate and the square foundation plate are in a basically parallel and level superposition state when in the storage superposition state, the bearing plate and the square foundation plate are placed in a staggered mode when in the expansion support state, and the first bearing part, the second bearing part, the third bearing part and the fourth bearing part of the bearing plate are respectively positioned at the folding placement positions of the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate and are used for bearing;

when the accommodating superposition state is converted into the unfolding support state, the bearing plate is driven to rotate, and the state conversion process is completed after the bearing plate rotates by an angle of 90 degrees; and the first arc-shaped slotted hole, the second arc-shaped slotted hole, the third arc-shaped slotted hole and the fourth arc-shaped slotted hole complete the guiding and rotating process through the limiting action of the guide rod.

The invention provides a using method of a mathematic teaching aid for mathematic thinking training, wherein first magnetic adsorption blocks are arranged on the outer side wall surfaces of a first folding triangular plate, a second folding triangular plate, a third folding triangular plate and a fourth folding triangular plate, corresponding second magnetic adsorption blocks are arranged on a first bearing part, a second bearing part, a third bearing part and a fourth bearing part, and the first magnetic adsorption blocks and the second magnetic adsorption blocks are detachably connected in an adsorption fit manner; the using method comprises the following steps: when the foldable magnetic adsorption device is in the unfolded and folded state, the first magnetic adsorption block and the second magnetic adsorption block are adsorbed and combined to play a role in stable support, and in addition, when the foldable magnetic adsorption device is in the folded and folded state, the first magnetic adsorption block and the second magnetic adsorption block are in a separated state; when the first magnetic adsorption block and the second magnetic adsorption block are separated, the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate are manually pulled away to be separated from the corresponding supporting parts.

The invention provides a use method of a mathematic teaching aid for mathematic thinking training, wherein a connecting part is provided with a central mounting groove, a lifting piece is arranged in the central mounting groove, the lifting piece comprises a clamping top plate, a lifting main body rod and a guide sliding rod which are sequentially arranged from top to bottom, and the lifting main body rod is provided with a spiral clamping groove; a driving convex head is arranged at the center of the bearing plate and is in fit connection with the spiral clamping groove; the guide sliding rod is in sliding fit with a slot bottom plate jack at the bottom of the central mounting slot; the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate respectively form notch parts at joint parts, the notch parts are surrounded to form clamping fixing grooves, and the clamping fixing grooves are matched with the clamping top plate;

the using method comprises the following steps: the lifting piece is provided with a high position and a low position, and the clamping top plate is clamped and fixed at the position of the notch part when reaching the high position, so that the combined parts of the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate are clamped and fixed; when the lifting piece is in a low position, the notch part is in a vacant state, and the clamping top plate is separated from the notch part so as to freely turn and rotate the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate; when being converted into high position by the low position, then pass through the rotation effect of backup pad drives drive protruding head rotates, simultaneously drive protruding head then drives spiral block groove carries out elevating movement and drives the piece carries out elevating movement to when the backup pad rotates to the support position then the piece is in and rises high position, and works as the backup pad rotates to then with square foundatin plate coincidence position the piece is in low position.

Drawings

FIG. 1 is a schematic view of a mathematical teaching aid for mathematical thinking training of the present invention with the structure of an adsorption object;

FIG. 2 is a schematic view of the mathematical teaching aid for mathematical thinking training of the present invention with the structure of the other view angle of the adsorption object;

FIG. 3 is a schematic diagram of a first perspective of the mathematical teaching aid for training mathematical thinking according to the present invention;

FIG. 4 is a schematic diagram of a second perspective of the mathematical teaching aid for training mathematical thinking in accordance with the present invention;

FIG. 5 is a third perspective view of the mathematical teaching aid for training mathematical thinking according to the present invention;

FIG. 6 is a schematic structural diagram of a cross-sectional state of a mathematical teaching aid for mathematical thinking training according to the present invention;

FIG. 7 is a schematic structural diagram of another angle of the cross-sectional state of the mathematical teaching aid for training mathematical thinking;

FIG. 8 is an enlarged schematic view of region A in FIG. 6;

FIG. 9 is an enlarged schematic view of region B of FIG. 7;

fig. 10 is a schematic structural diagram of a lifting piece of a mathematic teaching aid for mathematic thinking training of the invention.

Detailed Description

The first embodiment:

as shown in fig. 1 to 10, the present invention provides a math teaching aid for mathematical thinking training, which comprises a support structure 10, a folding assembly 20 and a bearing plate 30;

the supporting structure 10 is provided with a supporting frame 11 and a supporting chassis 12, the supporting chassis 12 is located on a first side 13 of the supporting frame 11, an adsorption plate 14 is arranged on the supporting chassis 12, the adsorption plate 14 is used for adsorbing on the surface 5 of an object, and the object generally refers to a teaching blackboard;

the folding assembly 20 is arranged on the second side 15 of the supporting frame 11, the folding assembly 20 has a square base plate 21, a first folding triangular plate 22, a second folding triangular plate 23, a third folding triangular plate 24 and a fourth folding triangular plate 25, the base line edges of the first folding triangular plate 22, the second folding triangular plate 23, the third folding triangular plate 24 and the fourth folding triangular plate 25 are connected to the corresponding edge portion 210 of the square base plate 21 through hinges 1, and the first folding triangular plate 22, the second folding triangular plate 23, the third folding triangular plate 24 and the fourth folding triangular plate 25 are folded to cover the square base plate 21;

bearing board 30 sets up the bottom position of foundatin plate 21, bearing board 30 forms first bearing part 31, second bearing part 32, third bearing part 33 and fourth bearing part 34, first bearing part 31 is used for accepting the first triangle 22 of folding after rolling over the expansion, second bearing part 32 is used for accepting the second triangle 23 of folding after rolling over, third bearing part 33 is used for accepting the third triangle 24 of folding after rolling over, fourth bearing part 34 is used for bearing the fourth triangle 25 of folding after rolling over the expansion.

The invention provides a using method of a mathematic teaching aid for mathematic thinking training, which comprises the following steps: the support structure 10 is adsorbed on the surface 5 of the object through the adsorption disc 14 to fix the position of the teaching aid;

the folding assembly 20 has a folded state and an unfolded state, and in the folded state, the first folding triangle 22, the second folding triangle 23, the third folding triangle 24 and the fourth folding triangle 25 are all folded and cover on the square base plate 21 to form an overlapped structure; when in the unfolded state, the first folding triangle 22, the second folding triangle 23, the third folding triangle 24 and the fourth folding triangle 25 respectively wind around the corresponding edge portion 210 and are away from the square base plate 21 by the turning action of the hinge 1, and then are placed on the first bearing portion 31, the second bearing portion 32, the third bearing portion 33 and the fourth bearing portion 34 of the bearing plate 30 and stably supported, so as to show the geometric figure concept of the square structure formed by splicing the four triangles through the switching of the unfolded state and the folded state.

Through the setting of a plurality of folding set squares, it can form two kinds of different states, has folding state of accomodating promptly and expandes the state of placing, and the plate body that forms a square figure is assembled when accomodating, then forms a square foundatin plate and four set squares that fall scattered and place after turning over a book, has just so realized turning over the area segmentation of square figure and the demonstration of the intuitionistic nature that turns over a combination, convenient to use. And this structure is very easily fixed to a vertical wall such as a blackboard, so that lecture and explanation to a teacher become easy.

Second embodiment:

the supporting frame 11 is provided with a first door-shaped frame 110 and a second door-shaped frame 111, main body rods 113 of the first door-shaped frame 110 and the second door-shaped frame 111 are arranged in a crossed manner to form a connecting part 114, the first door-shaped frame 110 is provided with two groups of guide rods 115, the second door-shaped frame 111 is provided with two groups of guide rods 115, the two groups of guide rods 115 are respectively located at two sides of the connecting part 114, the central position of the bearing plate 30 is rotatably connected to the connecting part 114, the bearing plate 30 is respectively provided with a first arc-shaped slot 35, a second arc-shaped slot 36, a third arc-shaped slot 37 and a fourth arc-shaped slot 38, and the first arc-shaped slot 35, the second arc-shaped slot 36, the third arc-shaped slot 37 and the fourth arc-shaped slot 38 are respectively correspondingly matched with the four groups of guide rods 115;

the using method comprises the following steps: the bearing plate 30 has a storage overlapped state and an expansion supporting state, when the storage overlapped state is achieved, the bearing plate 30 and the square foundation plate 21 are in a basically flush overlapped state, when the expansion supporting state is achieved, the bearing plate 30 and the square foundation plate 21 are placed in a staggered mode, and the first bearing part 31, the second bearing part 32, the third bearing part 33 and the fourth bearing part 34 of the bearing plate 30 are respectively located at the folding placement positions of the first folding triangular plate 22, the second folding triangular plate 23, the third folding triangular plate 24 and the fourth folding triangular plate 25 and are supported;

when the storage overlapping state is converted into the unfolding support state, the bearing plate 30 is driven to rotate, and the conversion process of the state is completed after the bearing plate 30 rotates by an angle of 90 degrees; and the first arc-shaped slotted hole 35, the second arc-shaped slotted hole 36, the third arc-shaped slotted hole 37 and the fourth arc-shaped slotted hole 38 complete the guiding and rotating process through the limiting function of the guide rod 115.

The third embodiment:

the outer side wall surfaces of the first folding triangular plate 22, the second folding triangular plate 23, the third folding triangular plate 24 and the fourth folding triangular plate 25 are provided with first magnetic adsorption blocks 2, the first bearing part 31, the second bearing part 32, the third bearing part 33 and the fourth bearing part 34 are provided with corresponding second magnetic adsorption blocks 3, and the first magnetic adsorption blocks 2 and the second magnetic adsorption blocks 3 are detachably connected in an adsorption fit manner; the using method comprises the following steps: when the foldable magnetic adsorption device is in the unfolded state, the first magnetic adsorption block 2 and the second magnetic adsorption block 3 are in an adsorption combination to play a role in stable support, and when the foldable magnetic adsorption device is in the folded state, the first magnetic adsorption block 2 and the second magnetic adsorption block 3 are in a separation state; when the first magnetic adsorption block 2 and the second magnetic adsorption block 3 are separated, the first folding triangular plate 22, the second folding triangular plate 23, the third folding triangular plate 24 and the fourth folding triangular plate 25 are manually pulled out to be separated from the corresponding support parts.

The invention provides a method for using a mathematic teaching aid for mathematic thinking training, wherein a connecting part 114 is provided with a central mounting groove 40, a lifting piece 50 is arranged in the central mounting groove 40, the lifting piece 50 comprises a clamping top plate 51, a lifting main body rod 52 and a guide sliding rod 53 which are sequentially arranged from top to bottom, and the lifting main body rod 52 is provided with a spiral clamping groove 54; a driving convex head 39 is arranged at the center of the bearing plate 30, and the driving convex head 39 is connected with the spiral clamping groove 54 in a matching manner; the guide sliding rod 53 is in sliding fit with the groove bottom plate insertion hole 41 at the bottom of the central mounting groove 40; notches 42 are formed in the joint parts of the first folding triangular plate 22, the second folding triangular plate 23, the third folding triangular plate 24 and the fourth folding triangular plate 25, clamping fixing grooves 43 are formed by surrounding the notches 42, and the clamping fixing grooves 43 are matched with the clamping top plate 51;

the using method comprises the following steps: the lifter 50 has a high position and a low position, and when the lifter reaches the high position, the engaging top plate 51 is engaged and fixed at the position of the notch 42, so as to clamp and fix the joint parts of the first folding triangle 22, the second folding triangle 23, the third folding triangle 24 and the fourth folding triangle 25; when the lifter 50 is at the low position, the notch portion 42 is in a vacant state, and the engagement top plate 51 is separated from the notch portion 42 to freely turn the first folding triangle 22, the second folding triangle 23, the third folding triangle 24, and the fourth folding triangle 25; when being converted into high position by low position, then pass through the rotation effect of backup pad 11 drives it rotates to drive protruding head 39, simultaneously it then drives to drive protruding head 39 spiral block groove 54 carries out elevating movement and drives elevating part 50 carries out elevating movement to when backup pad 30 rotates to the support position then elevating part 50 is in and rises high position, and works as backup pad 30 rotates to with square foundatin plate 21 coincidence position then elevating part 50 is in low position.

When the clamping top plate is in a lifting state, the notch part is clamped and fixed in a friction mode, so that the triangular plate is in a clamping and fixing state and is prevented from being turned over by mistake. In addition, when the supporting plate is rotated, the clamping top plate is driven to lose the clamping effect, the triangular plate needs to be turned over to be displayed at the time, and meanwhile, the spiral clamping groove and the lifting main body rod are driven to move by driving the protruding head in the process of rotating the supporting plate, so that the lifting movement of the lifting piece is realized, and a good linkage driving effect is achieved.

Claims

1. A mathematics teaching aid of mathematical thinking training which characterized in that includes:

the supporting structure is provided with a supporting frame and a supporting base plate, the supporting base plate is positioned on the first side of the supporting frame, and the supporting base plate is provided with an adsorption plate which is used for adsorbing the surface of an object;

the folding assembly is arranged on the second side of the supporting frame and provided with a square foundation plate, a first folding triangular plate, a second folding triangular plate, a third folding triangular plate and a fourth folding triangular plate, the bottom line edges of the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate are connected to the corresponding edge parts of the square foundation plate through hinges, and the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate are folded and then cover the square foundation plate;

the loading board sets up the bottom position of foundatin plate, the loading board forms first bearing part, second bearing part, third bearing part and fourth bearing part, first bearing part is used for accepting the first triangle of folding after rolling over the expansion, the second bearing part is used for accepting the second triangle of folding after rolling over, the third bearing part is used for accepting the third triangle of folding after rolling over, the fourth bearing part is used for bearing the fourth triangle of folding after rolling over the expansion.

2. A mathematic teaching aid for training mathematical thinking according to claim 1, wherein the supporting frame has a first door type frame and a second door type frame, the main rods of the first door type frame and the second door type frame are crossed to form a connecting part, the first door type frame has two sets of guide rods, the second door type frame has two sets of guide rods, the two sets of guide rods are respectively located at two sides of the connecting part, the central position of the bearing plate is rotatably connected with the connecting part, the bearing plate has a first arc-shaped slot hole, a second arc-shaped slot hole, a third arc-shaped slot hole and a fourth arc-shaped slot hole, and the first arc-shaped slot hole, the second arc-shaped slot hole, the third arc-shaped slot hole and the fourth arc-shaped slot hole are respectively matched with the guide rods of the four sets correspondingly.

3. A mathematic teaching aid for mathematic thinking training according to claim 1, wherein the first, second, third and fourth folding triangular plates are provided with first magnetic adsorption blocks on the outer side wall surfaces, the first, second, third and fourth bearing parts are provided with corresponding second magnetic adsorption blocks, and the first magnetic adsorption blocks are detachably connected with the second magnetic adsorption blocks in an adsorption fit manner.

4. A math teaching aid for math thinking training as claimed in claim 2, wherein the connecting part has a central mounting groove, a lifting member is arranged in the central mounting groove, the lifting member comprises a top clamping plate, a main lifting rod and a guide slide rod which are arranged from top to bottom in sequence, and the main lifting rod is provided with a spiral clamping groove; a driving convex head is arranged at the center of the bearing plate and is in fit connection with the spiral clamping groove; the guide sliding rod is in sliding fit with a slot bottom plate jack at the bottom of the central mounting slot;

5. A method of use of a mathematical teaching aid for mathematical thinking training according to claim 1, which comprises the steps of: adsorbing the support structure on the surface of an object through the adsorption disc so as to fix the position of the teaching aid;

6. A use method of a mathematic teaching aid for mathematic thinking training according to claim 5, wherein the support frame is provided with a first portal frame and a second portal frame, the main body rods of the first portal frame and the second portal frame are arranged in a crossed manner to form a connecting part, the first portal frame is provided with two groups of guide rods, the second portal frame is provided with two groups of guide rods, the two groups of guide rods are respectively positioned at two sides of the connecting part, the central position of the bearing plate is rotatably connected with the connecting part, the bearing plate is respectively provided with a first arc-shaped slotted hole, a second arc-shaped slotted hole, a third arc-shaped slotted hole and a fourth arc-shaped slotted hole, and the first arc-shaped slotted hole, the second arc-shaped slotted hole, the third arc-shaped slotted hole and the fourth arc-shaped slotted hole are respectively matched with the four groups of guide rods;

7. A use method of a mathematic teaching aid for mathematic thinking training as claimed in claim 5, wherein the first, second, third and fourth triangular folding plates are provided with first magnetic adsorption blocks on the outer side wall surfaces, the first, second, third and fourth bearing parts are provided with corresponding second magnetic adsorption blocks, and the first magnetic adsorption blocks and the second magnetic adsorption blocks are detachably connected in an adsorption fit manner; the using method comprises the following steps: when the foldable magnetic adsorption device is in the unfolded and folded state, the first magnetic adsorption block and the second magnetic adsorption block are adsorbed and combined to play a role in stable support, and in addition, when the foldable magnetic adsorption device is in the folded and folded state, the first magnetic adsorption block and the second magnetic adsorption block are in a separated state; when the first magnetic adsorption block and the second magnetic adsorption block are separated, the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate are manually pulled away to be separated from the corresponding supporting parts.

8. A use method of a math teaching aid for math thinking training according to claim 5, wherein the connecting part is provided with a central mounting groove, a lifting piece is arranged in the central mounting groove, the lifting piece comprises a clamping top plate, a lifting main body rod and a guide slide rod which are arranged in sequence from top to bottom, and the lifting main body rod is provided with a spiral clamping groove; a driving convex head is arranged at the center of the bearing plate and is in fit connection with the spiral clamping groove; the guide sliding rod is in sliding fit with a slot bottom plate jack at the bottom of the central mounting slot; the first folding triangular plate, the second folding triangular plate, the third folding triangular plate and the fourth folding triangular plate respectively form notch parts at joint parts, the notch parts are surrounded to form clamping fixing grooves, and the clamping fixing grooves are matched with the clamping top plate;