CN205810209U - College Maths parabola demonstration teaching aid - Google Patents
College Maths parabola demonstration teaching aid Download PDFInfo
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- CN205810209U CN205810209U CN201620299198.2U CN201620299198U CN205810209U CN 205810209 U CN205810209 U CN 205810209U CN 201620299198 U CN201620299198 U CN 201620299198U CN 205810209 U CN205810209 U CN 205810209U
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- plate
- shelf
- magnetic sheet
- ball
- ball bucket
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Abstract
College Maths parabola demonstration teaching aid, relates to a kind of teaching aid.The L-type chute of full thickness is had on L-type plate, slide block is had in L-type chute, ball bucket is rotationally connected with slide block, spring one end is connected with the base plate of ball bucket, the other end is connected with shelf, being equipped with in the shelf of Magnet ball is horizontally set on ball bucket and outer peripheral sidewall leaves gap with ball bucket inner circumferential sidewall, shelf lower surface is connected with stay cord one end, and the stay cord other end passes the through hole of ball bottom of the barrel and connects with draw ring system；Being provided with front in L-type plate and have the magnetic sheet of iron powder, magnetic sheet is set up in parallel with lamella lucida, and the two upper surface is connected with connecting plate, and the lower end of lamella lucida is connected with magnetic sheet by connecting rod, and lamella lucida is gluedd joint with grid paper；Baffle plate is located at L-type plate right-hand member, and L-type plate and baffle plate have accumulator tank.This utility model can meet different parabolical demonstration demands, and teacher, when carrying out parabola teaching, can simulate parabolical forming process.
Description
Technical field
This utility model relates to a kind of teaching aid, especially College Maths parabola demonstration teaching aid.
Background technology
Parabola refers in plane to a fixed point F(focus) and a boning out L(directrix) rail of equidistant point
Mark.It has many method for expressing, such as parameter to represent, normal equation expression etc..It has important in geometric optics and mechanics
Use.Parabola be also round bore curve one, i.e. taper seat and the plane being parallel to certain bus cut mutually obtained by curve.
Parabola is under suitable coordinate transform, it is possible to regard quadratic function image as.Current mathematical education is not demonstrated parabola
The teaching aid formed, teacher can only explain parabolical teaching by abstract concept, be unfavorable for that student is to parabolical reason
Solve, make troubles to teaching.
Summary of the invention
The purpose of this utility model is to provide a kind of College Maths parabola demonstration teaching aid, and it can meet different parabolics
The demonstration demand of line, teacher, when carrying out parabola teaching, can simulate parabolical forming process.
Realizing above-mentioned purpose, this utility model takes following technical proposals: College Maths parabola demonstration teaching aid, including L
Template, lamella lucida, grid paper, connecting plate, baffle plate, ball bucket, Magnet ball, shelf, stay cord, draw ring, accumulator tank, magnetic sheet, bullet
Spring and two connecting rods,
It is provided with the L-type chute of full thickness on the plate face of described L-type plate, slidably connects in described L-type chute
Slide block, the back side of described ball bucket is rotationally connected with slide block, and described spring is arranged in ball bucket, one end of spring and ball bucket
Base plate is fixing to be connected, and the other end of described spring is fixing with shelf to be connected, and described shelf is horizontally set in ball bucket,
Shelf outer peripheral sidewall and ball bucket inner circumferential sidewall leave gap, and described Magnet ball is placed on shelf, shelf lower surface
Middle part is fixing with one end of stay cord to be connected, and is provided with through hole in the middle part of the base plate of ball bucket, and the other end of described stay cord is through described
Through hole connects with draw ring system；Being fixedly installed magnetic sheet in L-type plate, the front of described magnetic sheet is adsorbed with iron powder, magnetic equably
Property plate be set up in parallel before and after lamella lucida, the upper surface of magnetic sheet and lamella lucida is all fixing with the lower surface of connecting plate to be connected, institute
The lower end of the lamella lucida stated is connected by two connecting rods and magnetic sheet are fixing, and the front of lamella lucida is gluedd joint with grid paper；Described
Baffle plate be fixedly installed on the right-hand member of L-type plate, the lower end of L-type plate and baffle plate is fixedly installed accumulator tank.
Compared with prior art, the beneficial effects of the utility model are: this utility model can meet diverse location and not
With the parabolical demonstration demand of angle, simple in construction, easy to use, teacher, when carrying out parabola teaching, can simulate throwing
The forming process of thing line, it is simple to student understands content intuitively, improves teaching efficiency.
Accompanying drawing explanation
Fig. 1 is the overall structure axonometric drawing of College Maths parabola demonstration teaching aid of the present utility model；
Fig. 2 is the overall structure schematic diagram of ball bucket, and in order to drawing is clear, a sidewall of ball bucket is unclosed；
Component names shown in figure and label are as follows:
1-L template；2-lamella lucida；3-grid paper；4-connecting plate；5-baffle plate；6-ball bucket；7-Magnet ball；8-shelf；9-
Stay cord；10-draw ring；11-accumulator tank；12-magnetic sheet；13-spring；14-connecting rod.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model is carried out clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of utility model rather than whole embodiments,
Based on the embodiment in this utility model, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of this utility model protection.
As shown in Fig. 1 ~ Fig. 2, the utility model discloses College Maths parabola demonstration teaching aid, including L-type plate 1, transparent
Plate 2, grid paper 3, connecting plate 4, baffle plate 5, ball bucket 6, Magnet ball 7, shelf 8, stay cord 9, draw ring 10, accumulator tank 11, magnetic sheet
12, spring 13 and two connecting rods 14,
It is provided with the L-type chute of full thickness on the plate face of described L-type plate 1, slidably connects in described L-type chute
Slide block, the back side of described ball bucket 6 is rotationally connected with slide block, and described spring 13 is arranged in ball bucket 6, one end of spring 13 with
The base plate of ball bucket 6 is fixing to be connected, and the other end of described spring 13 is fixing with shelf 8 to be connected, and described shelf 8 level sets
Putting in ball bucket 6, shelf 8 outer peripheral sidewall and ball bucket 6 inner circumferential sidewall leave gap, and described Magnet ball 7 is placed in shelf 8
On, the middle part of shelf 8 lower surface is fixing with one end of stay cord 9 to be connected, and is provided with through hole in the middle part of the base plate of ball bucket 6, and described draws
The other end of rope 9 is to connect through described through hole with draw ring 10；Magnetic sheet 12, described magnetic sheet it is fixedly installed in L-type plate 1
The front of 12 is adsorbed with iron powder equably, and magnetic sheet 12 is set up in parallel before and after lamella lucida 2, and magnetic sheet 12 is upper with lamella lucida 2
End face is all fixing with the lower surface of connecting plate 4 to be connected, and the lower end of described lamella lucida 2 is by two connecting rods 14 and magnetic sheet 12
Fixing and connect, the front of lamella lucida 2 is gluedd joint with grid paper 3, and the grid of described grid paper 3 is square of the same size；
Described baffle plate 5 is fixedly installed on the right-hand member of L-type plate 1, and the lower end of L-type plate 1 and baffle plate 5 is fixedly installed accumulator tank 11.
When using this utility model, after moving ball bucket 6 to desired location, angle needed for adjustment also makes opening of ball bucket 6
Between mouth alignment lamella lucida 2 and magnetic sheet 12, pull draw ring 10 to drive shelf 8 and Magnet ball 7 to move downward, then unclamp
Draw ring 10, makes Magnet ball 7 eject ball bucket 6 under the effect of spring 13 and cook parabola fortune between lamella lucida 2 and magnetic sheet 12
Dynamic, in motion, Magnet ball 7 can adsorb the iron powder of the position of process in motor process, therefore can leave motion trace on magnetic sheet 12
Mark, after completing motion, Magnet ball 7 is rolled in accumulator tank 11 under the effect of baffle plate 5.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this practicality with other dress bodily form formula new
Type.Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of condition of equivalent in claim that fall
All changes in justice and scope are included in this utility model.Should not be considered as any reference in claim limiting
Involved claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (2)
1. College Maths parabola demonstration teaching aid, it is characterised in that: include L-type plate (1), lamella lucida (2), grid paper (3), connect
Plate (4), baffle plate (5), ball bucket (6), Magnet ball (7), shelf (8), stay cord (9), draw ring (10), accumulator tank (11), magnetic sheet
(12), spring (13) and two connecting rods (14), the L-type that the plate face of described L-type plate (1) is provided with full thickness is sliding
Groove, slidably connects slide block in described L-type chute, the back side of described ball bucket (6) is rotationally connected with slide block, described spring
(13) in being arranged on ball bucket (6), one end of spring (13) is fixed with the base plate of ball bucket (6) and is connected, described spring (13) another
One end is fixing with shelf (8) to be connected, and described shelf (8) is horizontally set in ball bucket (6), shelf (8) outer peripheral sidewall
Leaving gap with ball bucket (6) inner circumferential sidewall, described Magnet ball (7) is placed on shelf (8), in shelf (8) lower surface
Portion is fixing with one end of stay cord (9) to be connected, and is provided with through hole in the middle part of the base plate of ball bucket (6), and the other end of described stay cord (9) passes
Described through hole is to connect with draw ring (10)；Being fixedly installed magnetic sheet (12) in L-type plate (1), described magnetic sheet (12) is just
Face is adsorbed with iron powder equably, is set up in parallel before and after magnetic sheet (12) and lamella lucida (2), magnetic sheet (12) and lamella lucida (2)
Upper surface is all fixing with the lower surface of connecting plate (4) to be connected, the lower end of described lamella lucida (2) by two connecting rods (14) and
Magnetic sheet (12) is fixing to be connected, and the front of lamella lucida (2) is gluedd joint with grid paper (3)；Described baffle plate (5) is fixedly installed on L-type
The right-hand member of plate (1), the lower end of L-type plate (1) and baffle plate (5) is fixedly installed accumulator tank (11).
College Maths parabola demonstration teaching aid the most according to claim 1, it is characterised in that: described grid paper (3)
Grid is square of the same size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299198.2U CN205810209U (en) | 2016-04-12 | 2016-04-12 | College Maths parabola demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620299198.2U CN205810209U (en) | 2016-04-12 | 2016-04-12 | College Maths parabola demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205810209U true CN205810209U (en) | 2016-12-14 |
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ID=58143881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620299198.2U Expired - Fee Related CN205810209U (en) | 2016-04-12 | 2016-04-12 | College Maths parabola demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205810209U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274761A (en) * | 2017-08-09 | 2017-10-20 | 将乐县科技馆 | A kind of novel physical flat parabolic experimental apparatus for demonstrating |
| CN107993532A (en) * | 2018-01-19 | 2018-05-04 | 赣州市亿研机械设计研究院有限公司 | A kind of physics lesson parabola presentation process device |
| CN109192010A (en) * | 2018-10-22 | 2019-01-11 | 安徽理工大学 | A kind of College Mathematics Teaching parabola demonstration teaching aid |
| CN109192009A (en) * | 2018-10-22 | 2019-01-11 | 安徽理工大学 | A kind of College Maths parabola teaching demonstration optimization method |
| CN109243256A (en) * | 2018-11-20 | 2019-01-18 | 王令剑 | A kind of electric specialty IC design presentation device |
| CN110232850A (en) * | 2019-07-12 | 2019-09-13 | 杨淞元 | A kind of demonstration of parabolic and track record physics demonstration device |
| CN115230372A (en) * | 2022-08-20 | 2022-10-25 | 安徽理工大学 | Parabola teaching demonstration system for mathematical education |
-
2016
- 2016-04-12 CN CN201620299198.2U patent/CN205810209U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274761A (en) * | 2017-08-09 | 2017-10-20 | 将乐县科技馆 | A kind of novel physical flat parabolic experimental apparatus for demonstrating |
| CN107993532A (en) * | 2018-01-19 | 2018-05-04 | 赣州市亿研机械设计研究院有限公司 | A kind of physics lesson parabola presentation process device |
| CN107993532B (en) * | 2018-01-19 | 2020-06-05 | 谷蓓蕾 | Parabola demonstration process device for physical class |
| CN109192010A (en) * | 2018-10-22 | 2019-01-11 | 安徽理工大学 | A kind of College Mathematics Teaching parabola demonstration teaching aid |
| CN109192009A (en) * | 2018-10-22 | 2019-01-11 | 安徽理工大学 | A kind of College Maths parabola teaching demonstration optimization method |
| CN109192010B (en) * | 2018-10-22 | 2020-12-29 | 安徽理工大学 | University's mathematics teaching parabola demonstration teaching aid |
| CN109243256A (en) * | 2018-11-20 | 2019-01-18 | 王令剑 | A kind of electric specialty IC design presentation device |
| CN110232850A (en) * | 2019-07-12 | 2019-09-13 | 杨淞元 | A kind of demonstration of parabolic and track record physics demonstration device |
| CN115230372A (en) * | 2022-08-20 | 2022-10-25 | 安徽理工大学 | Parabola teaching demonstration system for mathematical education |
| CN115230372B (en) * | 2022-08-20 | 2023-10-20 | 安徽理工大学 | Parabolic teaching demonstration system for mathematical education |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20180412 |