CN216014541U

CN216014541U - Student uses mathematics thinking teaching aid convenient to tutor

Info

Publication number: CN216014541U
Application number: CN202121737400.2U
Authority: CN
Inventors: 阮斌杰
Original assignee: Shanghai Yunteng Biotechnology Co ltd
Current assignee: Shanghai Yunteng Biotechnology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-03-11
Anticipated expiration: 2031-07-28

Abstract

The utility model belongs to the field of teaching aids, in particular to a mathematical thinking teaching aid convenient for tutoring students, which comprises a rod body, an extension rod and a fixing component, wherein the rod body is provided with a first connecting rod and a second connecting rod; first sliding grooves are formed in the three rod bodies; an extension rod is connected in the first sliding groove in a sliding manner; one end of the extension rod, which is positioned outside the first sliding chute, is fixedly connected with a fixed block; a hinge groove is formed in the fixed block; the fixing component is arranged on the side surface of the hinge groove; the one side rigid coupling that the fixed block was kept away from to the body of rod has the connecting rod, through setting up the body of rod, fixed subassembly, extension rod, fixed block and connecting rod, relies on the body of rod to make up each other and is triangle-shaped, later can adjust triangle-shaped's length of side wantonly through the extension rod, can change triangle-shaped's length of side and contained angle through this setting up wantonly, can let the more relevant theorem of more audio-visual study of student, can counsel the student and understand relevant theorem simultaneously.

Description

Student uses mathematics thinking teaching aid convenient to tutor

Technical Field

The utility model relates to the field of teaching aids, in particular to a mathematical thinking teaching aid convenient for tutoring students.

Background

The teaching aid is a device for explaining and demonstrating models and objects in teaching, and is an object for propagating science and technology and educating people.

In the process of learning, students in middle and primary schools teach the Pythagorean theorem and some triangle theorems, and the teacher generally explains books and corresponding figures in the teaching process, but the explanation mode is not visual, and the side length and the angle of the triangle cannot be randomly changed; therefore, a mathematical thinking teaching aid convenient for guiding students is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mathematical thinking teaching aid convenient for tutoring students, which aims to make up the defects of the prior art and solve the problems that a teacher can teach the Pythagorean theorem and some triangle theorems in the process of learning by students in middle and primary schools, and the teacher generally explains the Pythagorean theorem and the triangle theorems by contrasting books and corresponding figures during teaching, but the explaining mode is not intuitive and cannot randomly change the side length and the angle of the triangle.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a mathematical thinking teaching aid convenient for tutoring students, which comprises a rod body, an extension rod and a fixing component, wherein the rod body is provided with a first end and a second end; first sliding grooves are formed in the three rod bodies; an extension rod is connected in the first sliding groove in a sliding manner; one end of the extension rod, which is positioned outside the first sliding chute, is fixedly connected with a fixed block; a hinge groove is formed in the fixed block; the fixing component is arranged on the side surface of the hinge groove; a connecting rod is fixedly connected to one side of the rod body, which is far away from the fixed block; the connecting rod inserts articulated inslot to this can simulate multiple triangle-shaped, thereby be convenient for the student study and understand the quantitative formula of Pythagorean theorem and some triangles, the teacher of being convenient for carries out the tutor teaching, can temper student's mathematical thinking simultaneously.

Preferably, the fixing assembly comprises a fixing tube and a fixing shaft; a fixed cavity is formed in the fixed pipe; a spring is fixedly connected to one side of the fixing cavity, which is far away from the connecting rod; the fixed shaft penetrates through the side wall of the fixed block and the connecting rod, and the end part of the fixed shaft is inserted into the fixed cavity; one end of the fixed shaft, which is positioned in the fixed cavity, is fixedly connected with a clamping block; the clamping groove is formed in one side, close to the connecting rod, of the fixed cavity, so that the device is disassembled and assembled, and the device can be conveniently carried and stored through the arrangement.

Preferably, one end of the rod body, which is far away from the fixed block, is fixedly connected with a storage box; a winding drum is rotatably connected inside the storage box; a coil spring is arranged at the rotary connection position of the winding drum; a measuring belt is fixedly connected to the surface of the winding drum; the measuring belt is provided with scales; the side surface of the fixed block is fixedly connected with a connecting block; the measuring belt end is fixedly connected with the connecting block, and the length of the rod body and the extension rod can be conveniently calculated by students through the measuring belt, so that the side length of the triangle can be conveniently calculated.

Preferably, the side wall of one end, close to the fixed block, of the rod body is fixedly connected with a protractor, and the included angle can be conveniently measured by arranging the protractor.

Preferably, one side of the rod body close to the fixed block is fixedly connected with a fixed ring; the fixing ring is provided with a thread groove; the screw thread groove is internally connected with a bolt through screw threads, so that students can use the screw thread groove conveniently, and the length of the screw thread groove cannot be changed at will.

Preferably, a second sliding groove is formed in the side surface of the first sliding groove; the second sliding chute is internally and slidably connected with an anti-falling block; the anticreep piece restricts the length that stretches out of extension through setting up the anticreep piece with body of rod tip rigid coupling, avoids the extension rod to take out in following first spout, then leads to being difficult to the dress to return.

The utility model has the advantages that:

1. according to the utility model, the rod bodies, the fixing components, the extension rods, the fixing blocks and the connecting rods are arranged, the rod bodies are mutually combined to form a triangle, the side length of the triangle can be randomly adjusted through the extension rods, the side length and the included angle of the triangle can be randomly changed through the arrangement, students can learn related theorems more intuitively, and the students can be helped to understand the related theorems.

2. According to the utility model, by arranging the storage box, the winding drum, the measuring belt and the connecting block, students can conveniently measure the lengths of the rod body and the extension rod through the scales on the measuring belt, so that the side length of a triangle can be conveniently measured, and the coil spring can drive the winding drum to automatically wind the measuring belt, so that the influence on the use of the students caused by the overlong length of the measuring belt is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of a rod structure according to an embodiment;

fig. 2 is a schematic structural diagram of a fixing block according to the first embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a schematic view of a retaining ring according to the first embodiment;

fig. 5 is a schematic structural view of the rubber pad of the second embodiment.

In the figure: 11. a rod body; 12. an extension rod; 13. a fixed block; 14. a connecting rod; 15. a hinge slot; 16. a first chute; 21. a fixed tube; 22. a fixed shaft; 23. a clamping block; 24. a card slot; 25. a spring; 31. a storage box; 32. a reel; 33. a measuring tape; 34. connecting blocks; 4. a protractor; 51. a fixing ring; 52. a bolt; 61. an anti-drop block; 62. a second chute; 7. and (7) a rubber pad.

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.

Example one

Referring to fig. 1-4, a mathematical thinking teaching aid for guiding students comprises a rod body 11, an extension rod 12 and a fixing component; a first sliding chute 16 is formed in each of the three rod bodies 11; an extension rod 12 is connected in the first sliding groove 16 in a sliding manner; one end of the extension rod 12, which is positioned outside the first sliding chute 16, is fixedly connected with a fixed block 13; a hinge groove 15 is formed in the fixed block 13; the fixing component is arranged on the side surface of the hinge groove 15; a connecting rod 14 is fixedly connected to one side of the rod body 11, which is far away from the fixed block 13; the connecting rod 14 is inserted into the hinge slot 15; the fixing assembly comprises a fixing tube 21 and a fixing shaft 22; a fixed cavity is formed in the fixed tube 21; a spring 25 is fixedly connected to one side of the fixed cavity, which is far away from the connecting rod 14; the fixed shaft 22 penetrates through the side wall of the fixed block 13 and the connecting rod 14, and the end part of the fixed shaft is inserted into the fixed cavity; one end of the fixed shaft 22, which is positioned in the fixed cavity, is fixedly connected with a clamping block 23; a clamping groove 24 is formed in one side, close to the connecting rod 14, of the fixing cavity; before the use, the three rod bodies 11 are arranged in a triangle, the connecting rod 14 is inserted into the fixed block 13, the fixed shaft 22 is inserted into the fixed cavity, the knob on the fixed shaft 22 is rotated to drive the clamping block 23 to rotate, the spring 25 pushes the clamping block 23 into the clamping groove 24, the spring 25 is used for preventing the clamping block 23 from being separated from the clamping groove 24, the fixed shaft 22 is fixed, the connecting rod 14 is fixed, the rod bodies 11 are arranged in a right-angled triangle shape, the side length of the triangle is adjusted by stretching the second rod body 11, the included angle between the rod body 11 and the extension rod 12 is adjusted, various triangles can be simulated, students can learn and understand the Pythagorean theorem and quantitative formulas of some triangles, teachers can conduct tutoring teaching, and students can exercise mathematical thinking, when the use is completed, the fixing shaft 22 is rotated reversely, then the fixing shaft 22 is taken out, and then the plurality of rod bodies 11 are separated, so that the disassembly of the device is completed, and the device can be conveniently carried and stored through the arrangement.

One end of the rod body 11, which is far away from the fixed block 13, is fixedly connected with a storage box 31; a winding drum 32 is rotatably connected inside the storage box 31; a coil spring is arranged at the rotary connection position of the winding drum 32; a measuring belt 33 is fixedly connected to the surface of the winding drum 32; the measuring belt 33 is provided with scales; a connecting block 34 is fixedly connected to the side surface of the fixed block 13; the end part of the measuring belt 33 is fixedly connected with the connecting block 34; the side wall of one end of the rod body 11 close to the fixed block 13 is fixedly connected with a protractor 4; when using, can be convenient for the student through the scale on the measuring tape 33 and calculate the length of the body of rod 11 and extension rod 12 to be convenient for calculate triangle-shaped's length of side, the coil spring can drive reel 32 and carry out automatic rolling measuring tape 33, thereby avoids measuring tape 33's length overlength, influences student's use, can be convenient for measure the contained angle through setting up protractor 4.

One side of the rod body 11 close to the fixed block 13 is fixedly connected with a fixed ring 51; the fixing ring 51 is provided with a thread groove; a bolt 52 is connected in the thread groove through threads; a second sliding groove 62 is formed in the side surface of the first sliding groove 16; the second sliding chute 62 is internally and slidably connected with an anti-falling block 61; the anti-falling block 61 is fixedly connected with the end part of the rod body 11; when using, rotatory bolt 52 makes its tip support extension rod 12 to fix extension rod 12, so that the student uses, makes it can not length change at will, restricts the length that stretches out of extension through setting up anticreep piece 61, avoids extension rod 12 to take out from first spout 16, then leads to being difficult to the dress to go back.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a rubber pad 7 is fixedly connected to one end of the bolt 52 near the extension rod 12; the friction force between the bolt 52 and the extension rod 12 can be increased by arranging the rubber pad 7, so that the fixing effect is improved, meanwhile, the abrasion of the end part of the fixing bolt 52 to the extension rod 12 is reduced, and the extension rod 12 is protected.

The working principle is that before the device is used, the three rod bodies 11 are placed in a triangular shape, the connecting rod 14 is inserted into the fixing block 13, the fixing shaft 22 is inserted into the fixing cavity, the knob on the fixing shaft 22 is rotated to drive the clamping block 23 to rotate, the spring 25 pushes the clamping block 23 into the clamping groove 24, the spring 25 is used for preventing the clamping block 23 from falling out of the clamping groove 24, the fixing shaft 22 is fixed, the connecting rod 14 is fixed, the rod bodies 11 are placed in a right-angled triangle shape, the side length of the triangle is adjusted by stretching the second rod body 11, the included angle between the rod body 11 and the extension rod 12 is adjusted, various triangles can be simulated, students can learn and understand the Pythagorean theorem and quantitative formulas of some triangles, teachers can conduct tutoring teaching, and students can exercise mathematical thinking, when the device is used, the fixing shaft 22 is rotated reversely, the fixing shaft 22 is taken out, the rod bodies 11 are separated, the device is disassembled, the device can be conveniently carried and stored through the arrangement, when the device is used, students can conveniently calculate the lengths of the rod bodies 11 and the extension rod 12 through the scales on the measuring belt 33, the side length of a triangle is convenient to calculate, the coil spring can drive the winding drum 32 to automatically wind the measuring belt 33, the phenomenon that the length of the measuring belt 33 is overlong and influences the use of the students is avoided, the included angle can be conveniently measured through the arrangement of the protractor 4, when the device is used, the bolt 52 is rotated, the end part of the bolt is abutted against the extension rod 12, the extension rod 12 is fixed, the student can conveniently use, the length of the device cannot be changed randomly, and the extending length is limited through the anti-falling block 61, the extension rod 12 is prevented from being withdrawn from the first runner 16 and then rendered difficult to install back.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a be convenient for tutor student is with mathematics thinking teaching aid which characterized in that: comprises a rod body (11), an extension rod (12) and a fixing component; first sliding grooves (16) are formed in the three rod bodies (11); an extension rod (12) is connected in the first sliding groove (16) in a sliding manner; one end of the extension rod (12) positioned outside the first sliding groove (16) is fixedly connected with a fixed block (13); a hinge groove (15) is formed in the fixed block (13); the fixing component is arranged on the side surface of the hinge groove (15); a connecting rod (14) is fixedly connected to one side of the rod body (11) far away from the fixed block (13); the connecting rod (14) is inserted into the hinge groove (15).

2. The teaching aid of mathematical thinking convenient for coaching students according to claim 1, which is characterized in that: the fixing component comprises a fixing pipe (21) and a fixing shaft (22); a fixed cavity is formed in the fixed pipe (21); a spring (25) is fixedly connected to one side of the fixing cavity, which is far away from the connecting rod (14); the fixed shaft (22) penetrates through the side wall of the fixed block (13) and the connecting rod (14), and the end part of the fixed shaft is inserted into the fixed cavity; one end of the fixed shaft (22) positioned in the fixed cavity is fixedly connected with a clamping block (23); one side of the fixed cavity close to the connecting rod (14) is provided with a clamping groove (24).

3. The teaching aid of mathematical thinking convenient for student coaching as claimed in claim 2, wherein: one end of the rod body (11) far away from the fixed block (13) is fixedly connected with a storage box (31); a winding drum (32) is rotatably connected inside the storage box (31); a coil spring is arranged at the rotary connection position of the winding drum (32); a measuring belt (33) is fixedly connected to the surface of the winding drum (32); the measuring belt (33) is provided with scales; a connecting block (34) is fixedly connected to the side surface of the fixing block (13); the end part of the measuring belt (33) is fixedly connected with the connecting block (34).

4. The teaching aid of mathematical thinking convenient for coaching students according to claim 3, which is characterized in that: and a protractor (4) is fixedly connected to the side wall of one end, close to the fixed block (13), of the rod body (11).

5. The teaching aid of mathematical thinking convenient for coaching students according to claim 4, which is characterized in that: one side of the rod body (11) close to the fixed block (13) is fixedly connected with a fixed ring (51); the fixing ring (51) is provided with a thread groove; a bolt (52) is connected in the thread groove through threads.

6. The teaching aid of mathematical thinking convenient for coaching students according to claim 5, which is characterized in that: a second sliding chute (62) is formed in the side surface of the first sliding chute (16); the second sliding chute (62) is internally and slidably connected with an anti-falling block (61); the anti-falling block (61) is fixedly connected with the end part of the rod body (11).