CN206147998U - Demonstration teaching aid for mathematics teaching - Google Patents
Demonstration teaching aid for mathematics teaching Download PDFInfo
- Publication number
- CN206147998U CN206147998U CN201620710228.4U CN201620710228U CN206147998U CN 206147998 U CN206147998 U CN 206147998U CN 201620710228 U CN201620710228 U CN 201620710228U CN 206147998 U CN206147998 U CN 206147998U
- Authority
- CN
- China
- Prior art keywords
- stand
- pillar stand
- white board
- teaching aid
- magnetic white
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a demonstration teaching aid for mathematics teaching, include stand down, the supporting disk, the rolling disc, go up the stand, handle and magnetism blank, supporting disk and lower stand fixed connection, the below of stand is equipped with the universal wheel down, the supporting disk rotates with the rolling disc to be connected, the upper surface left and right sides fixed mounting of rolling disc has last stand, go up to be equipped with between the stand and put the thing box, the upper end fixed mounting who goes up the stand has the magnetism blank, the handle is installed to the both sides of magnetism blank, the four sides edge of magnetism blank all is equipped with the slide rail, all be equipped with three pulley in each slide rail, connect through the coordinate pole between per two mutually opposite pulleys, still be equipped with the scale mark on the magnetism blank, it detains and the iron wire still to be equipped with a plurality of magnetism on the magnetism blank. The utility model has the advantages of simple and reasonable structure, convenient to use demonstrates effectually, can remove and rotate simultaneously, has further improved the quality of imparting knowledge to students.
Description
Technical field
This utility model is related to maths demonstration teaching aid field, specifically a kind of mathematical education demonstration teaching aid.
Background technology
In higher mathematics, in certain change procedure of independent variable, if corresponding functional value is wirelessly true close to certain
Fixed number, then this number for determining just is called the limit of the function in this change procedure, and this concept many people both know about,
But during giving lessons, how to explain the limit for allowing student to get a real idea of function but not a duck soup, and existing functional limit
Teaching aid can only demonstrate the functional limit of coordinate system so that the demonstration of functional limit is limited.University's functional limit knowledge is to need profit
Go what is explained with the figure of the representative function limit, sometimes one functional limit topic is needed using several representative function limit
Curve can be explained clear, and every class teacher is required for drawing substantial amounts of curve chart, increased the burden of teacher, while also subtracting
The time of classroom explanation is lacked.
Utility model content
The purpose of this utility model is to provide a kind of mathematical education demonstration teaching aid, to solve above-mentioned background technology in carry
The problem for going out.
For achieving the above object, this utility model provides following technical scheme:
A kind of mathematical education demonstration teaching aid, including lower pillar stand, support plate, rotation dish, upper pillar stand, handle and magnetic is white
Plate, the support plate is fixedly connected with lower pillar stand, and universal wheel is provided with below lower pillar stand;The support plate connects with turn disc
Connect;The upper surface left and right sides of the rotation dish is installed with upper pillar stand, and box is provided between upper pillar stand;The upper pillar stand
Upper end be installed with magnetic white board, the both sides of magnetic white board are provided with handle;The four sides edge of the magnetic white board is all provided with
There is slide rail, three pulleys are equipped with each slide rail, connected by coordinate bar between the opposed pulley of each two;The magnetic
Graduation mark is additionally provided with property blank;Several magnetic clasps and iron wire are additionally provided with the magnetic white board.
As further program of the utility model:The support plate upper surface is provided with annular groove, the following table of rotation dish
Face is provided with annular protrusion.
As further program of the utility model:Outer surface between the iron wire is wrapped in the adhesive tape for varying in color.
As further program of the utility model:The universal wheel carries locking device.
Compared with prior art, the beneficial effects of the utility model are:Device when in use, by adjust pulley in slide rail
On position so that form several coordinate systems between the coordinate bar on the surface of magnetic white board, in each coordinate system pass through magnetic clasp
Different function curves are fixed with iron wire, make the discrepancy between different functions curve more intuitively show student, greatly
The efficiency of teaching is improve, while coordinate bar can be also used for the extreme coordinates of the different function curves of alignment, very convenient reality
With;Color between different iron wires is different, is easy to distinguish different function curves, further increases quality of instruction;Support
The universal wheel that the bottom of rotation setting and lower pillar stand between disk and rotation dish is provided with so that whole demonstration teaching aid can be to not
It is shown with the student of position so that teaching efficiency is more;Box is used to place magnetic clasp and iron wire, convenient and practical;Handle
Setting facilitate movement and rotation of the user to whole teaching aid, it is time saving and energy saving.To sum up, whole device simple structure is closed
Reason, easy to use, good demonstration effect while can move and rotate, further increases the quality of teaching, with very high
Practical value.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure:1- lower pillar stands, 2- universal wheels, 3- support plates, 4- rotation dish, 5- boxes, 6- upper pillar stands, 7- handles, 8-
Slide rail, 9- pulleys, 10- coordinate bars, 11- graduation marks, 12- magnetic clasps, 13- iron wires, 14- magnetic white boards, 31- annular grooves, 41- rings
Shape is raised.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1 is referred to, in this utility model embodiment, a kind of mathematical education demonstration teaching aid, including lower pillar stand 1, support
Disk 3, rotation dish 4, upper pillar stand 6, handle 7 and magnetic white board 14, the support plate 3 is fixedly connected with lower pillar stand 1, lower pillar stand 1
Lower section is provided with universal wheel 2, and universal wheel 2 carries locking device;The support plate 3 is rotated with rotation dish 4 and is connected, wherein support plate 3
Upper surface is provided with annular groove 31, and the lower surface of rotation dish 4 is provided with annular protrusion 41;Upper surface of the rotation dish 4 or so two
Side is installed with upper pillar stand 6, and box 5 is provided between upper pillar stand 6;The effect of the box 5 is the religion for placing demonstration
Tool small articles etc.;The upper end of the upper pillar stand 6 is installed with magnetic white board 14, and the both sides of magnetic white board 14 are provided with handle 7;
The effect of the handle 7 is that convenient use person moves and rotate to whole demonstration teaching aid;The four sides of the magnetic white board 14
Edge is equipped with slide rail 8, and in each slide rail 8 three pulleys 9 are equipped with, and coordinate is passed through between the opposed pulley 9 of each two
Bar 10 connects;Graduation mark 11 is additionally provided with the magnetic white board 14, the effect of graduation mark 11 is to improve demonstration function curve position
Degree of accuracy;Several magnetic clasps 12 and iron wire 13 are additionally provided with the magnetic white board 14, the effect of wherein magnetic clasp 12 is to fix ferrum
The position of silk 13, each outer surface of iron wire 13 is wrapped in the adhesive tape for varying in color, in order to distinguish different function curves.
Operation principle of the present utility model is:Device when in use, by adjusting position of the pulley 9 on slide rail 8 so that
Several coordinate systems are formed between the coordinate bar 10 on the surface of magnetic white board 14, by magnetic clasp 12 and iron wire 13 in each coordinate system
Different function curves are fixed with, make the discrepancy between different functions curve more intuitively show student, greatly improved
The efficiency of teaching, while coordinate bar 10 can be also used for the extreme coordinates of the different function curves of alignment, it is very convenient and practical;No
Color between same iron wire 13 is different, is easy to distinguish different function curves, further increases quality of instruction;Support plate 3
Rotation and rotation dish 4 between arrange and lower pillar stand 1 the universal wheel 2 that is provided with of bottom so that whole demonstration teaching aid can be to
The student of diverse location is shown so that teaching efficiency is more;Box 5 is used to place magnetic clasp 12 and iron wire 13, convenient real
With;The setting of handle 7 facilitates movement and rotation of the user to whole teaching aid, time saving and energy saving.
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, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art should
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (3)
1. a kind of mathematical education demonstration teaching aid, including lower pillar stand, support plate, rotation dish, upper pillar stand, handle and magnetic white board,
Characterized in that, the support plate is fixedly connected with lower pillar stand, universal wheel is provided with below lower pillar stand;The support plate and rotation
Disk rotates connection;The upper surface left and right sides of the rotation dish is installed with upper pillar stand, and box is provided between upper pillar stand;Institute
The upper end for stating upper pillar stand is installed with magnetic white board, and the both sides of magnetic white board are provided with handle;The four sides of the magnetic white board
Edge is equipped with slide rail, and three pulleys are equipped with each slide rail, is connected by coordinate bar between the opposed pulley of each two
Connect;Graduation mark is additionally provided with the magnetic white board;Several magnetic clasps and iron wire are additionally provided with the magnetic white board;The iron wire it
Between outer surface be wrapped in the adhesive tape for varying in color.
2. a kind of mathematical education demonstration teaching aid according to claim 1, it is characterised in that the support plate upper surface sets
The lower surface for having annular groove, rotation dish is provided with annular protrusion.
3. a kind of mathematical education demonstration teaching aid according to claim 1, it is characterised in that the universal wheel is with locked
Device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620710228.4U CN206147998U (en) | 2016-07-07 | 2016-07-07 | Demonstration teaching aid for mathematics teaching |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620710228.4U CN206147998U (en) | 2016-07-07 | 2016-07-07 | Demonstration teaching aid for mathematics teaching |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206147998U true CN206147998U (en) | 2017-05-03 |
Family
ID=58617658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620710228.4U Expired - Fee Related CN206147998U (en) | 2016-07-07 | 2016-07-07 | Demonstration teaching aid for mathematics teaching |
Country Status (1)
Country | Link |
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CN (1) | CN206147998U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110689783A (en) * | 2019-11-20 | 2020-01-14 | 张庆生 | Mathematics teaching aid is used in figure combination |
-
2016
- 2016-07-07 CN CN201620710228.4U patent/CN206147998U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110689783A (en) * | 2019-11-20 | 2020-01-14 | 张庆生 | Mathematics teaching aid is used in figure combination |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
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: 20170503 Termination date: 20180707 |