CN209281695U - A kind of mathematical thinking culture geometry teaching model - Google Patents

Abstract

The utility model relates to geometry teaching modelling technique fields, and disclose a kind of mathematical thinking culture geometry teaching model, including cube model, circular groove is offered at the top of the cube model, the circular groove is internally provided with cylinder model, the bottom of the cylinder model opens up fluted, and the groove is internally provided with sphere model.The mathematical thinking culture geometry teaching model, pass through the first iron plate of setting and the first magnetic sheet, facilitate in the circular groove that cylinder model is put on cube model, pass through the second iron plate of setting and the second magnetic sheet, facilitate in the wedge groove that conical model is put on cube model, pass through setting sliding slot and slide bar, under the active force of limit spring, limit of the limited block to sphere model can be achieved, facilitate the taking-up of sphere model, whole device can break up as cube model, sphere model and the multiple models of conical model, remaining model can also be taken in into cube model, it is convenient for carrying.

Description

A kind of mathematical thinking culture geometry teaching model

Technical field

The utility model relates to geometry teaching modelling technique field, specially a kind of mathematical thinking culture geometry teaching mould Type.

Background technique

Geometrical model is to describe physics with geometrical concept perhaps mathematics body form geometric modeling is building or using several The process of what model, geometrical model are widely used in computer graphics, CAD, computer-aided manufacturing and medical treatment Many application fields such as image procossing.

In the teaching process of solid geometry, typically teacher is explained with the mode of plan Drawing to student on blackboard The knowledge of solid geometry, for just contacting the student of solid geometry, space knot can't sometimes be formed by just having started brain The thinking of structure also fails to skillfully flexibly apply in space multistory geometry to point, line and face simple in plane geometry, Since the existing big type of model volume is more, teacher is difficult to carry, so propose a kind of mathematical thinking culture geometry teaching mould Type is to solve the above problems.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of mathematical thinking culture geometry teaching model, tool Standby the advantages of facilitating culture mathematical thinking, for solving the student for just contacting solid geometry, just start brain sometimes The thinking that space structure can't be formed also fails to skillfully flexibly apply to point, line and face simple in plane geometry In space multistory geometry, since the existing big type of model volume is more, teacher is difficult to the problem of carrying.

(2) technical solution

To realize the above-mentioned purpose for facilitating culture mathematical thinking, the utility model is provided the following technical solutions: a kind of mathematics Thinking culture geometry teaching model, including cube model offer circular groove, the circular groove at the top of the cube model Be internally provided with cylinder model, the bottom of the cylinder model opens up fluted, and the groove is internally provided with sphere mould Type, the bottom of the cylinder model offer equally distributed first iron plate placing groove, the interior bottom of the first iron plate placing groove Wall is fixedly connected with the first iron plate, and the inside of the cube model offers equally distributed first magnetic sheet placing groove, described The inside of first magnetic sheet placing groove is communicated with circular groove, and the inner bottom wall of the first magnetic sheet placing groove is fixedly connected with the first magnetic sheet, The inside of the cube model and be located at the first iron plate placing groove at the top of offer equally distributed sliding slot, the sliding slot Inner wall slidably connects slide bar, and the inner bottom wall of the sliding slot is fixedly connected with limit spring, and the opposite one end of the slide bar is solid Surely it is connected with limited block, the opposite side of the limited block is fixedly connected with limit spring, the bottom of the cube model Wedge groove is offered, the wedge groove is internally provided with conical model, offers and be uniformly distributed at the top of the conical model The second iron plate placing groove, the inner bottom wall of the second iron plate placing groove is fixedly connected with the second iron plate, the cube model Inside offer equally distributed second magnetic sheet placing groove, the inside of the second magnetic sheet placing groove is communicated with wedge groove, institute The inner bottom wall for stating the second magnetic sheet placing groove is fixedly connected with the second magnetic sheet.

Preferably, the outer diameter of the cylinder model is less than the internal diameter of circular groove, and the bottom of cylinder model is contacted with circular groove.

Preferably, the angle phase of the inner wall of the wedge groove and the outer wall and horizontal plane of horizontal angle and conical model Together.

Preferably, the opposite side of second iron plate is contacted with the second magnetic sheet, the bottom of first iron plate and the The contact of one magnetic sheet.

Preferably, the quantity of the sliding slot is four, and sliding slot is dovetail groove.

Preferably, the limited block is the elastomer block of most three cm thicks, the cube model, cylinder model and circular cone The seamed edge of model has at least two centimetres of chamfering.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of mathematical thinking culture geometry teaching model, have with It is lower the utility model has the advantages that

1, the mathematical thinking culture geometry teaching model is facilitated by the first iron plate of setting and the first magnetic sheet by cylinder Model is put into the circular groove on cube model, by setting the second iron plate and the second magnetic sheet, facilitate conical model is put into it is vertical In wedge groove on cube model, by setting sliding slot and slide bar, it can be achieved that limited block is to ball under the active force of limit spring The limit of body Model, facilitates the taking-up of sphere model, and whole device can break up as cube model, sphere model and conical model Remaining model can also be taken in into cube model, is convenient for carrying by multiple models.

2, the mathematical thinking culture geometry teaching model passes through setting cube model, sphere model and conical model Between combination, for student think deeply three several internal portions structure, be conducive to the culture of spatial thought, whole device Aggregation model is intuitively observed for student, understands the origin of drawing, the person of being convenient to use uses.

Detailed description of the invention

Fig. 1 is the utility model structure front view；

Fig. 2 is the utility model cube model cross-sectional view；

Fig. 3 is the partial enlarged view in the portion A in the utility model Fig. 2.

In figure: 1 cube model, 2 circular grooves, 3 cylinder models, 4 grooves, 5 sphere models, 6 first iron plate placing grooves, 7 One iron plate, 8 first magnetic sheet placing grooves, 9 first magnetic sheets, 10 sliding slots, 11 slide bars, 12 limit springs, 13 limited blocks, 14 wedge grooves, 15 conical models, 16 second iron plate placing grooves, 17 second iron plates, 18 second magnetic sheet placing grooves, 19 second magnetic sheets.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3, a kind of mathematical thinking culture geometry teaching model, including cube model 1 are please referred to, it is vertical by being arranged Combination between cube model 1, sphere model 5 and conical model 15 thinks deeply the knot in three several internal portions for student Structure is conducive to the culture of spatial thought, and whole device intuitively observes aggregation model for student, understands the origin of drawing, side User use, the top of cube model 1 offers circular groove 2, and circular groove 2 is internally provided with cylinder model 3, cylinder mold The outer diameter of type 3 is less than the internal diameter of circular groove 2, and the bottom of cylinder model 3 is contacted with circular groove 2, and the bottom of cylinder model 3 offers recessed Slot 4, groove 4 are internally provided with sphere model 5, and the bottom of cylinder model 3 offers equally distributed first iron plate placing groove 6, the inner bottom wall of the first iron plate placing groove 6 is fixedly connected with the first iron plate 7, passes through the first iron plate 7 of setting and the first magnetic sheet 9, side Just cylinder model 3 is put into the circular groove 2 on cube model 1, by setting the second iron plate 17 and the second magnetic sheet 19, facilitate by Conical model 15 is put into the wedge groove 14 on cube model 1, by setting sliding slot 10 and slide bar 11, in limit spring 12 , it can be achieved that limit of the limited block 13 to sphere model 5 under active force, facilitate the taking-up of sphere model 5, whole device can break up for Cube model 1, sphere model 5 and a model of conical model more than 15 can also take in remaining model into cube model 1, Be convenient for carrying, the inside of cube model 1 offers equally distributed first magnetic sheet placing groove 8, the first magnetic sheet placing groove 8 it is interior Portion is communicated with circular groove 2, and the inner bottom wall of the first magnetic sheet placing groove 8 is fixedly connected with the first magnetic sheet 9, the inside of cube model 1 and Equally distributed sliding slot 10 is offered positioned at the top of the first iron plate placing groove 6, the quantity of sliding slot 10 is four, and sliding slot 10 is Dovetail groove, the inner wall of sliding slot 10 slidably connect slide bar 11, and the inner bottom wall of sliding slot 10 is fixedly connected with limit spring 12, slide bar 11 Opposite one end is fixedly connected to limited block 13, and limited block 13 is the elastomer block of most three cm thicks, cube model 1, circle The seamed edge of column model 3 and conical model 15 has at least two centimetres of a chamfering, the opposite side of limited block 13 with limit bullet Spring 12 is fixedly connected, and the bottom of cube model 1 offers wedge groove 14, the inner wall of wedge groove 14 and horizontal angle and circular cone The outer wall of model 15 and the angle of horizontal plane are identical, and wedge groove 14 is internally provided with conical model 15, the top of conical model 15 Portion offers equally distributed second iron plate placing groove 16, and the inner bottom wall of the second iron plate placing groove 16 is fixedly connected with the second iron plate 17, the opposite side of the second iron plate 17 is contacted with the second magnetic sheet 19, and the bottom of the first iron plate 7 is contacted with the first magnetic sheet 9, cube The inside of body Model 1 offers equally distributed second magnetic sheet placing groove 18, the inside of the second magnetic sheet placing groove 18 and wedge groove 14 communicate, and the inner bottom wall of the second magnetic sheet placing groove 18 is fixedly connected with the second magnetic sheet 19.

When in use, by the first iron plate 7 of setting and the first magnetic sheet 9, facilitate and cylinder model 3 is put into cube model 1 On circular groove 2 in, by setting the second iron plate 17 and the second magnetic sheet 19, facilitate and conical model 15 be put on cube model 1 Wedge groove 14 in, by setting sliding slot 10 and slide bar 11, it can be achieved that limited block 13 is to ball under the active force of limit spring 12 The limit of body Model 5, facilitates the taking-up of sphere model 5, and whole device can break up as cube model 1, sphere model 5 and circular cone Remaining model can also be taken in into cube model 1, be convenient for carrying, by the way that cube model is arranged by a model of model more than 15 1, the combination between sphere model 5 and conical model 15 is thought deeply the structure in three several internal portions for student, is conducive to The culture of spatial thought, whole device intuitively observe aggregation model for student, understand the origin of drawing, the person of being convenient to use It uses.

In conclusion the mathematical thinking culture geometry teaching model, passes through the first iron plate 7 of setting and the first magnetic sheet 9, side Just cylinder model 3 is put into the circular groove 2 on cube model 1, by setting the second iron plate 17 and the second magnetic sheet 19, facilitate by Conical model 15 is put into the wedge groove 14 on cube model 1, by setting sliding slot 10 and slide bar 11, in limit spring 12 , it can be achieved that limit of the limited block 13 to sphere model 5 under active force, facilitate the taking-up of sphere model 5, whole device can break up for Cube model 1, sphere model 5 and a model of conical model more than 15 can also take in remaining model into cube model 1, It is convenient for carrying.

Also, by the combination between setting cube model 1, sphere model 5 and conical model 15, for student The structure for thinking deeply three several internal portions, is conducive to the culture of spatial thought, whole device intuitively observes set for student Model, understands the origin of drawing, and the person of being convenient to use uses.

It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of mathematical thinking culture geometry teaching model, including cube model (1), it is characterised in that: the cube It is offered at the top of model (1) circular groove (2), the circular groove (2) is internally provided with cylinder model (3), the cylinder model (3) Bottom open up fluted (4), the groove (4) is internally provided with sphere model (5), the bottom of the cylinder model (3) Equally distributed first iron plate placing groove (6) is offered, the inner bottom wall of the first iron plate placing groove (6) is fixedly connected with first Iron plate (7), the inside of the cube model (1) offer equally distributed first magnetic sheet placing groove (8), first magnetic sheet The inside of placing groove (8) is communicated with circular groove (2), and the inner bottom wall of the first magnetic sheet placing groove (8) is fixedly connected with the first magnetic sheet (9), the inside of the cube model (1) and be located at the first iron plate placing groove (6) at the top of offer equally distributed sliding slot (10), the inner wall of the sliding slot (10) slidably connects slide bar (11), and the inner bottom wall of the sliding slot (10) is fixedly connected with limit Spring (12), the opposite one end of the slide bar (11) are fixedly connected to limited block (13), the limited block (13) it is opposite one Side is fixedly connected with limit spring (12), and the bottom of the cube model (1) offers wedge groove (14), the wedge groove (14) be internally provided with conical model (15), offers equally distributed second iron plate at the top of the conical model (15) and puts It sets slot (16), the inner bottom wall of the second iron plate placing groove (16) is fixedly connected with the second iron plate (17), the cube model (1) inside offers equally distributed second magnetic sheet placing groove (18), the inside of the second magnetic sheet placing groove (18) and wedge Shape slot (14) communicates, and the inner bottom wall of the second magnetic sheet placing groove (18) is fixedly connected with the second magnetic sheet (19).

2. a kind of mathematical thinking culture geometry teaching model according to claim 1, it is characterised in that: the cylinder mold The outer diameter of type (3) is less than the internal diameter of circular groove (2), and the bottom of cylinder model (3) is contacted with circular groove (2).

3. a kind of mathematical thinking culture geometry teaching model according to claim 1, it is characterised in that: the wedge groove (14) inner wall and the angle of level and the outer wall of conical model (15) is identical as the angle of horizontal plane.

4. a kind of mathematical thinking culture geometry teaching model according to claim 1, it is characterised in that: second iron The opposite side of piece (17) is contacted with the second magnetic sheet (19), and the bottom of first iron plate (7) is contacted with the first magnetic sheet (9).

5. a kind of mathematical thinking culture geometry teaching model according to claim 1, it is characterised in that: the sliding slot (10) quantity is four, and sliding slot (10) is dovetail groove.

6. a kind of mathematical thinking culture geometry teaching model according to claim 1, it is characterised in that: the limited block (13) be most three cm thicks elastomer block, the cube model (1), cylinder model (3) and conical model (15) seamed edge There is at least two centimetres of chamfering.