CN205318697U - Demonstration teaching aid of functional limit for advanced math teaching - Google Patents
Demonstration teaching aid of functional limit for advanced math teaching Download PDFInfo
- Publication number
- CN205318697U CN205318697U CN201521101812.1U CN201521101812U CN205318697U CN 205318697 U CN205318697 U CN 205318697U CN 201521101812 U CN201521101812 U CN 201521101812U CN 205318697 U CN205318697 U CN 205318697U
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- CN
- China
- Prior art keywords
- curtain
- top tank
- graphic panel
- support
- coordinate
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Abstract
The utility model discloses a demonstration teaching aid of functional limit for advanced math teaching, including show board, supporting leg and top tank, the quantity of supporting leg is two and fix in show board both sides lower part, the top tank is fixed to be hung on show board top surface, all is equipped with the bearing frame in the top tank left and right sides, the show board left and right sides is equipped with the support the same with demonstrateing the plate height degree, and the support top is fixed on the top tank bottom surface, is equipped with the curtain book in the top tank, the curtain is rolled up both ends and is equipped with the pivot, the pivot front end is located the bearing frame, roll up at the curtain and go up around being equipped with the coordinate curtain, this device through set up the winding the curtain book delete for coordinate curtain, a plurality of magnetism dish and diffraction take turns to in the line of defence and act as go -between, the magnetism dish with act as go -between the complete functional image of formation on the coordinate curtain, convenient operation saves time, has reduced the time of clearing up and repainting the coordinate system when used repeatedly, has improved efficiency greatly.
Description
Technical field
The utility model relates to teaching apparatus for mathematics, specifically the demonstration teaching aid of a kind of Higher Mathematics Teaching limit of function.
Background technology
It has been generally acknowledged that, higher mathematics is by infinitesimal calculus, the basic subject that more deep algebraic, geometry and the intersection content between them are formed, its main contents comprise: the limit, infinitesimal analysis, interspace analytic geometry and vector algebra, progression, ordinary differential equation.
In the teaching of higher mathematics; usually can use system of coordinates; when conventional blackboard carries out the drafting of system of coordinates; time is very urgent, and when drawing, accuracy often can not be guaranteed; and when imparting knowledge to students; usually need to draw multiple system of coordinates, again draw, valuable instructional blocks of time can be wasted.
Practical novel content
The purpose of this utility model is to provide the demonstration teaching aid of a kind of Higher Mathematics Teaching limit of function, to solve in above-mentioned background technology the problem proposed.
For achieving the above object, the utility model provides following technical scheme:
The demonstration teaching aid of a kind of Higher Mathematics Teaching limit of function, comprise Graphic Panel, support leg and Top Tank, the quantity of described support leg is two and is fixed on Graphic Panel two side lower part, described Top Tank is fixing to be hung on Graphic Panel end face, it is equipped with bearing support in the Top Tank left and right sides, the described Graphic Panel left and right sides is provided with the support identical with Graphic Panel height, cantilever tip is fixed on Top Tank bottom surface, curtain volume it is provided with in Top Tank, described curtain volume two ends are provided with rotating shaft, described rotating shaft front end is positioned at bearing support, curtain volume is arranged with coordinate curtain, described coordinate curtain tail end stretches out Top Tank lower plane and is connected with the positive stop strip of a water, described positive stop strip is cuboid, the projection of the square bodily form it is equipped with at two ends, positive stop strip left and right, being connected with to buckle by rope bottom described positive stop strip and connect ring, it is two that described button connects the quantity of ring, is provided with two hooks bottom Graphic Panel, and the position that the position of described hook connects ring with button is corresponding, support on the left of Graphic Panel is provided with defence line wheel, support on the right side of Graphic Panel is provided with take-up reel, described defence line is arranged with bracing wire in taking turns, support bottom on the right side of Graphic Panel is provided with cavity, multiple magnetic plate it is placed with in described cavity, described magnetic plate comprises magnet and the position-arresting disk of disc, is provided with coiling post between position-arresting disk and magnet.
As further program of the utility model: the radius size of described position-arresting disk is the 1/2 of magnet radius size.
Compared with prior art, the beneficial effects of the utility model are: this device by arrange be wrapped in curtain volume delete to coordinate curtain, the bracing wire on the wheel of defence line of multiple magnetic plate and diffraction, magnetic plate and bracing wire form complete functional arrangement picture on coordinate curtain, easy to operate, save time, decrease cleaning when reusing and again draw the time of system of coordinates, substantially increase efficiency, and when coordinate curtain is taken in, Graphic Panel can be made to realize the function of conventional blackboard, substantially increase the practicality of device.
Accompanying drawing explanation
Fig. 1 is the structural representation during releasing of the utility model coordinate curtain.
Fig. 2 is the structural representation of the utility model coordinate curtain when packing up.
Fig. 3 is the structural representation of magnetic plate in the utility model.
1-Graphic Panel in figure, 11-links up with, 12-support, 13-cavity, 2-supports leg, 3-Top Tank, 31-bearing support, and 4-curtain is rolled up, 41-rotating shaft, 42-coordinate curtain, 43-positive stop strip, 44-is protruding, and 45-button connects ring, and 5-unwrapping wire is taken turns, 51-take-up reel, 52-bracing wire, 6-magnetic plate, 61-magnet, 62-coiling post, 63-position-arresting disk.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment is only the utility model part embodiment, instead of whole embodiments. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1～3, in the utility model embodiment, the demonstration teaching aid of a kind of Higher Mathematics Teaching limit of function, comprise Graphic Panel 1, support leg 2 and Top Tank 3, the quantity of described support leg 2 is two and is fixed on Graphic Panel 1 liang of side lower part, described Top Tank 3 is fixing to be hung on Graphic Panel 1 end face, it is equipped with bearing support 31 in Top Tank 3 left and right sides, described Graphic Panel 1 left and right sides is provided with the support 12 highly identical with Graphic Panel 1, support 12 top is fixed on Top Tank 3 bottom surface, curtain volume 4 it is provided with in Top Tank 3, described curtain is rolled up 4 two ends and is provided with rotating shaft 41, described rotating shaft 41 front end is positioned at bearing support 31, roll up at curtain and it is arranged with coordinate curtain 42 on 4, described coordinate curtain 42 tail end stretches out Top Tank 3 lower plane and is connected with the positive stop strip 43 of a water, described positive stop strip 43 is cuboid, the projection 44 of the square bodily form it is equipped with at two ends, positive stop strip left and right, when carrying out teaching demonstration, pull positive stop strip 43 downwards, coordinate curtain 42 is pulled out from Top Tank 3, can conveniently obtain system of coordinates figure, save the time drawing system of coordinates, after being used to complete, curtain is rolled up in 4 income Top Tanks 3, Graphic Panel 1 can be made to realize the function of conventional blackboard, the setting of protruding 44, also can easily coordinate curtain 42 be pulled out downwards when after making to pack up, positive stop strip 43 is fitted with Top Tank 3 bottom surface, it is connected with by rope to buckle bottom described positive stop strip 43 and connects ring 45, it is two that described button connects the quantity of ring 45, two hooks 11 it are provided with bottom Graphic Panel 1, the position that the position of described hook 11 connects ring 45 with button is corresponding, when coordinate curtain 42 is drawn out, button can connect ring 45 be sleeved on hook 11 to be fixed by coordinate curtain 42, conveniently operate on coordinate curtain 42,
Support 12 on the left of Graphic Panel 1 is provided with defence line wheel 5, support 12 on the right side of Graphic Panel 1 is provided with take-up reel 51, it is arranged with bracing wire 52 in described defence line wheel 5, support 12 bottom on the right side of Graphic Panel 1 is provided with cavity 13, multiple magnetic plate 6 it is placed with in described cavity 13, described magnetic plate 6 comprises magnet 61 and the position-arresting disk 63 of disc, the radius size of described position-arresting disk 63 is the 1/2 of magnet 61 radius size, coiling post 62 it is provided with between position-arresting disk 63 and magnet 61, during use, first magnetic plate 6 is adsorbed on coordinate curtain 42, the position that magnetic plate 6 adsorbs is each end points of system of coordinates, then take turns 5 from unwrapping wire and bracing wire 52 is pulled out, along function coordinates system track, bracing wire is wrapped on the coiling post 62 of magnetic plate 6 successively, bracing wire 52 tail end is fixed by take-up reel 51, thus define complete functional arrangement picture, easy to operate, save time, and decrease cleaning when reusing and again draw the time of system of coordinates, substantially increase efficiency.
Principle of work of the present utility model is: this device by arrange be wrapped in curtain volume 4 delete to coordinate curtain 42, multiple magnetic plate 6 and diffraction take turns bracing wire 52 on 5 in defence line, magnetic plate 6 and bracing wire 52 form complete functional arrangement picture on coordinate curtain 42, easy to operate, save time, decrease cleaning when reusing and again draw the time of system of coordinates, substantially increase efficiency, and when coordinate curtain 42 is taken in, Graphic Panel 1 can be made to realize the function of conventional blackboard, substantially increase the practicality of device.
To those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, it is possible to realize the utility model in other specific forms. Therefore, no matter from which point, embodiment all should be regarded as exemplary, and right and wrong are restrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, it is intended that all changes in the implication of the equivalent important document dropping on claim and scope included in the utility model. Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, it is to be understood that, although this specification sheets is described according to enforcement mode, but not each enforcement mode only comprises an independent technical scheme, this kind of narrating mode of specification sheets is only for clarity sake, those skilled in the art should by specification sheets integrally, and the technical scheme in each embodiment through appropriately combined, can also form other enforcement modes that it will be appreciated by those skilled in the art that.
Claims (2)
1. the demonstration teaching aid of a Higher Mathematics Teaching limit of function, comprise Graphic Panel, support leg and Top Tank, it is characterized in that, the quantity of described support leg is two and is fixed on Graphic Panel two side lower part, described Top Tank is fixing to be hung on Graphic Panel end face, it is equipped with bearing support in the Top Tank left and right sides, the described Graphic Panel left and right sides is provided with the support identical with Graphic Panel height, cantilever tip is fixed on Top Tank bottom surface, curtain volume it is provided with in Top Tank, described curtain volume two ends are provided with rotating shaft, described rotating shaft front end is positioned at bearing support, curtain volume is arranged with coordinate curtain, described coordinate curtain tail end stretches out Top Tank lower plane and is connected with the positive stop strip of a water, described positive stop strip is cuboid, the projection of the square bodily form it is equipped with at two ends, positive stop strip left and right, being connected with to buckle by rope bottom described positive stop strip and connect ring, it is two that described button connects the quantity of ring, is provided with two hooks bottom Graphic Panel, and the position that the position of described hook connects ring with button is corresponding, support on the left of Graphic Panel is provided with defence line wheel, support on the right side of Graphic Panel is provided with take-up reel, described defence line is arranged with bracing wire in taking turns, support bottom on the right side of Graphic Panel is provided with cavity, multiple magnetic plate it is placed with in described cavity, described magnetic plate comprises magnet and the position-arresting disk of disc, is provided with coiling post between position-arresting disk and magnet.
2. the demonstration teaching aid of a kind of Higher Mathematics Teaching limit of function according to claim 1, it is characterised in that, the radius size of described position-arresting disk is the 1/2 of magnet radius size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101812.1U CN205318697U (en) | 2015-12-28 | 2015-12-28 | Demonstration teaching aid of functional limit for advanced math teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521101812.1U CN205318697U (en) | 2015-12-28 | 2015-12-28 | Demonstration teaching aid of functional limit for advanced math teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205318697U true CN205318697U (en) | 2016-06-15 |
Family
ID=56198201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521101812.1U Expired - Fee Related CN205318697U (en) | 2015-12-28 | 2015-12-28 | Demonstration teaching aid of functional limit for advanced math teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205318697U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898200A (en) * | 2017-04-28 | 2017-06-27 | 郑州航空工业管理学院 | A kind of trigonometric function image converts demenstration method and device |
| CN107221233A (en) * | 2017-07-27 | 2017-09-29 | 杨景松 | A kind of teaching apparatus for mathematics |
| CN108806338A (en) * | 2018-06-28 | 2018-11-13 | 华北水利水电大学 | A kind of displaying teaching aid that novel Korean teaching uses |
| CN112002188A (en) * | 2020-09-07 | 2020-11-27 | 牡丹江师范学院 | Mathematics teaching aid of mathematical thinking training and preparation facilities thereof |
| CN112720508A (en) * | 2021-04-02 | 2021-04-30 | 南京艾格慧元农业科技有限公司 | Vegetable greenhouse robot control method |
| CN113380117A (en) * | 2021-04-14 | 2021-09-10 | 江苏省南通中等专业学校 | Higher mathematical function teaching demonstration instrument |
-
2015
- 2015-12-28 CN CN201521101812.1U patent/CN205318697U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106898200A (en) * | 2017-04-28 | 2017-06-27 | 郑州航空工业管理学院 | A kind of trigonometric function image converts demenstration method and device |
| CN107221233A (en) * | 2017-07-27 | 2017-09-29 | 杨景松 | A kind of teaching apparatus for mathematics |
| CN108806338A (en) * | 2018-06-28 | 2018-11-13 | 华北水利水电大学 | A kind of displaying teaching aid that novel Korean teaching uses |
| CN112002188A (en) * | 2020-09-07 | 2020-11-27 | 牡丹江师范学院 | Mathematics teaching aid of mathematical thinking training and preparation facilities thereof |
| CN112720508A (en) * | 2021-04-02 | 2021-04-30 | 南京艾格慧元农业科技有限公司 | Vegetable greenhouse robot control method |
| CN113380117A (en) * | 2021-04-14 | 2021-09-10 | 江苏省南通中等专业学校 | Higher mathematical function teaching demonstration instrument |
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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: 20160615 Termination date: 20161228 |