CN206236326U - A kind of calculus mathematics assistant teaching aid - Google Patents

Abstract

The utility model discloses a kind of calculus mathematics assistant teaching aid, including pedestal, supporting plate, magnetic sheet, coordinate module and snakelike chi for representing calculus curve, the corner of magnetic sheet is covered on the front side of supporting plate by fixture, coordinate module includes cross bar, three-way piece, two-way part, support bar, montant and Marking ring, snakelike chi is that the software chi that flexible metal core bar is made is added in the middle of a kind of material very strong in plasticity, can freely be put into various arc shapes and the magnetic material by outer surface is fixed on magnetic sheet.The utility model simple structure so that teacher need not devote a tremendous amount of time to draw calculus principal diagram on blackboard, can enliven classroom atmosphere, increase the interest of study, excite the interest and inspiration of Students ' Learning, strengthen the manipulative ability of student.

Description

A kind of calculus mathematics assistant teaching aid

Technical field

The utility model is related to teaching aid technical field, and in particular to a kind of calculus mathematics assistant teaching aid.

Background technology

Infinitesimal calculus to be widely used in science, economics and engineering science field and only rely on algebra solving those The problem that can not effectively solve.Infinitesimal calculus algebra, trigonometry and parse it is geometric on the basis of set up.High by two Mathematics studying in, we begin to recognize and contact derivative and definite integral, but the study of calculus and understanding are compared Difficulty, for high school student, the study of calculus is always difficult point, is also emphasis.For student and teacher, calculus The basic reason that course is difficult to learn and teach is that this subject of calculus is more abstract, it is difficult to imagine, it more difficult to gone in intuitively Understand.And the teaching aid now in high school mathematicses Calculus Teaching is fewer, the teacher that attends class can only draw variously-shaped on blackboard With calculus schematic diagram, this teaching method makes student feel uninteresting, is also extremely difficult to understand and grasp the principle institute of calculus It is always the difficult point of teacher and students in starting stage introduction and the study of, calculus, teacher requires a great deal of time Drawn on blackboard and demonstrated, and student is also required to devote a tremendous amount of time and understands and grasp.

Existing calculus learns the stage, and efficiency of teaching is especially low, and students are especially slow, and study gets up also extremely to eat Power.Accordingly, it would be desirable to a kind of calculus mathematics assistant teaching aid that can more intuitively reflect calculus principle.

Utility model content

The purpose of this utility model is to overcome the above-mentioned problems in the prior art, there is provided a kind of calculus mathematics is auxiliary Assiatant has, and can enliven classroom atmosphere, is easy to student to understand, it is easy to operate, and the perceptual knowledge of student can be improved during teaching, improves The results of learning and quality of instruction of student.

To realize above-mentioned technical purpose, above-mentioned technique effect is reached, the utility model is to be achieved through the following technical solutions：

A kind of calculus mathematics assistant teaching aid, including pedestal, supporting plate, magnetic sheet, coordinate module and micro- for representing The snakelike chi of integral curve, is provided with the draw-in groove of clamping supporting plate in the middle part of the pedestal, the rear pedestal upper end of the draw-in groove sets There is one group of supported hole for supporting coordinate module, the front pedestal of the draw-in groove is provided with locker room and cover plate；The magnetic sheet Corner the front side of supporting plate is covered on by fixture, the coordinate module includes the cross bar for representing X-axis, the horizontal stroke The two ends of bar are connected with down-set support bar by three-way piece, two-way part respectively, and the cross bar is simultaneously by the threeway Part is connected with the montant set up and for representing Y-axis, and close-fitting Marking ring is arranged with the cross bar and montant；Institute It is that the software chi that flexible metal core bar is made is added in the middle of a kind of material very strong in plasticity to state snakelike chi, can be freely put into The various arc shapes and magnetic material by outer surface is fixed on magnetic sheet.

Further, the locker room is used to deposit coordinate module and fixture, the U-shaped structure of fixture.

Further, the upper end both sides of the cover plate are provided with handle.

Further, the Marking ring has four, is respectively used to represent x, x+ Δ x, f (x) and f (x+ Δs x).

Further, the very strong material of the plasticity is soft rubber.

The beneficial effects of the utility model are：

The utility model simple structure, it is easy to use, student very can be intuitively helped, especially high school student is first Understanding during Learning Calculus of Liberal Arts Students, assistant teaching aid is learnt using the calculus, and teacher need not devote a tremendous amount of time on blackboard and Draw calculus principal diagram, you can more lively explanation and the principle of demonstration calculus, be easy to student to understand, meanwhile, Classroom atmosphere can be enlivened, increases the interest of study, excite the interest and inspiration of Students ' Learning, strengthen the energy of starting of student Power.

Certainly, implement any product of the present utility model to it is not absolutely required to while reaching all the above advantage.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme of the utility model embodiment, make required for being described to embodiment below Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings Other accompanying drawings.

Fig. 1 is a kind of structural representation of angle of the utility model；

Fig. 2 is the structural representation of the utility model another kind angle；

Fig. 3 is the structural representation of pedestal in the utility model；

Fig. 4 is the attachment structure schematic diagram of supporting plate and magnetic sheet in the utility model；

Fig. 5 is the structural representation of coordinate module in the utility model；

In accompanying drawing, the list of parts representated by each label is as follows：

1- pedestals, 101- draw-in grooves, 102- supported holes, 103- locker rooms, 104- cover plates, 2- supporting plates, 3- magnetic sheets, 4- sits Mark module, 401- cross bars, 402- three-way pieces, 403- two-way parts, 404- support bars, 405- montants, 406- Marking rings, 5- is snakelike Chi, 6- fixtures.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The all other embodiment for being obtained, belongs to the scope of the utility model protection.

Refer to shown in Fig. 1-5, the utility model be a kind of calculus mathematics assistant teaching aid, including pedestal 1, supporting plate 2, Magnetic sheet 3, coordinate module 4 and the snakelike chi 5 for representing calculus curve, the middle part of pedestal 1 is provided with clamping supporting plate 2 and uses Draw-in groove 101, the rear pedestal upper end of draw-in groove 101 is provided with one group of supported hole 102 for supporting coordinate module 4, draw-in groove 101 Front pedestal is provided with locker room 103 and cover plate 104, and locker room 103 is used to deposit coordinate module 4 and fixture 6, cover plate 104 Upper end both sides are provided with handle, and lower end both sides are provided with fixture block.

The corner of magnetic sheet 3 is covered on the front side of supporting plate 2, the U-shaped structure of fixture 6, middle part notch by fixture 6 Width is equal to supporting plate 2 and the thickness sum of magnetic sheet 3.

Coordinate module 4 includes the cross bar 401 for representing X-axis, and the two ends of cross bar 401 pass through three-way piece 402, two respectively Logical part 403 is connected with down-set support bar 404, and cross bar 401 is connected with by three-way piece 402 and sets up and be used for simultaneously The montant 405 of Y-axis is represented, close-fitting Marking ring 406 is arranged with cross bar 401 and montant 405, Marking ring 406 has four It is individual, it is respectively used to represent x, x+ Δ x, f (x) and f (x+ Δ x)

Snakelike chi 5 be it is a kind of the software chi that flexible metal core bar is made is added in the middle of soft rubber, can freely be put into each Plant arc shape and the magnetic material by outer surface is fixed on magnetic sheet 3.

One of the present embodiment has particular application as：When using, supporting plate 2 is inserted in the draw-in groove 101 of pedestal 1, recycled Magnetic sheet 3 is covered on front side by fixture 6, assembles coordinate module 4 and the support bar 404 of its lower end is inserted into supported hole 102, the shape of the calculus curve explained as needed adjusts the shape of snakelike chi 5, using magnetic adsorptive power by snakelike chi 5 It is fixed on magnetic sheet 3, then slides four Marking rings 406 and arrive specified location, you can intuitively represent very much x independents variable Variable quantity and f (x) variable quantity.In this way, classroom atmosphere can be enlivened, is easy to student to understand, it is easy to operate, taught The perceptual knowledge of student can be improved class hour, the results of learning and quality of instruction of student are improved.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Live feature and be contained in of the present utility model at least one with reference to the embodiment or the specific features of example description, structure, material In embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or Example.And, the specific features of description, structure, material or feature can be in one or more any embodiments or examples In combine in an appropriate manner.

The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously There is no all of details of detailed descriptionthe, it is only described specific embodiment that the utility model is not limited yet.Obviously, according to this theory The content of bright book, can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably Principle of the present utility model and practical application are explained, so that skilled artisan can be best understood by and utilize this Utility model.The utility model is only limited by claims and its four corner and equivalent.

Claims (5)

1. a kind of calculus mathematics assistant teaching aid, it is characterised in that：Including pedestal, supporting plate, magnetic sheet, coordinate module and use In the snakelike chi for representing calculus curve, the draw-in groove of clamping supporting plate, the front stall of the draw-in groove are provided with the middle part of the pedestal Body upper end is provided with one group of supported hole for supporting coordinate module, and the front pedestal of the draw-in groove is provided with locker room and cover plate；Institute The corner for stating magnetic sheet is covered on the front side of supporting plate by fixture, and the coordinate module includes the horizontal stroke for representing X-axis Bar, the two ends of the cross bar are connected with down-set support bar by three-way piece, two-way part respectively, and the cross bar passes through simultaneously The three-way piece is connected with the montant set up and for representing Y-axis, is arranged with the cross bar and montant close-fitting Marking ring；The snakelike chi is that the software chi that flexible metal core bar is made is added in the middle of a kind of material very strong in plasticity, energy Enough freely it is put into various arc shapes and the magnetic material by outer surface is fixed on magnetic sheet.

2. calculus mathematics assistant teaching aid according to claim 1, it is characterised in that：The locker room is used to deposit coordinate Module and fixture, the U-shaped structure of fixture.

3. calculus mathematics assistant teaching aid according to claim 1, it is characterised in that：The upper end both sides of the cover plate are provided with Handle.

4. calculus mathematics assistant teaching aid according to claim 1, it is characterised in that：The Marking ring has four, point X, x+ Δ x, f (x) and f (x+ Δs x) Yong Yu not represented.

5. calculus mathematics assistant teaching aid according to claim 1, it is characterised in that：The very strong material of the plasticity is Soft rubber.