CN206516174U - College mathematics teaching teaching aid - Google Patents
College mathematics teaching teaching aid Download PDFInfo
- Publication number
- CN206516174U CN206516174U CN201621376106.2U CN201621376106U CN206516174U CN 206516174 U CN206516174 U CN 206516174U CN 201621376106 U CN201621376106 U CN 201621376106U CN 206516174 U CN206516174 U CN 206516174U
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- China
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- teaching aid
- aid board
- teaching
- board
- rotating shaft
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Abstract
A kind of College Mathematics Teaching teaching aid, it is related to teaching equipment technical field, it includes teaching aid board, support meanss and travel mechanism, support meanss are made up of base, fixed seat, elevating lever and rotating seat, teaching aid board is placed in activity on rotating seat, and teaching aid board is divided into the first teaching aid board and the second teaching aid board, and the first teaching aid board and the second teaching aid board are U-shaped groove type structure, and first teaching aid board and the second teaching aid board connected by rotating shaft, grid magnetic sheet of being fitted on the first teaching aid board；Second teaching aid board is provided with fixed block, and fixed block one end is flexibly connected by bearing pin with motion bar, and rotating shaft is vertically provided with motion bar, rotating shaft one end is connected with L-type rocking bar, the rotating shaft other end is vertical with cross bar to be connected, and threaded rod is cased with cross bar, and threaded rod one end is provided with screw；Base bottom is provided with sucker, and base two ends, which are provided with groove, groove, is provided with travel mechanism.This teaching aid, has reached that a teaching aid can carry out the purpose of a variety of content of courses demonstrations, is adapted to large-scale promotion and uses.
Description
Technical field：
The utility model is related to teaching equipment technical field, and in particular to College Mathematics Teaching teaching aid.
Background technology：
Teaching demonstration is teacher in teaching, shows student to see on material object or audio-visual aids, or presenting a demonstration property reality
Test, perceptual knowledge is obtained to illustrate and confirm the method for taught knowledge by actual observation, teaching demonstration can obtain student
Vividly and intuitively perceptual knowledge, deepens the impression to learning object, and knowwhy on books and actual things are connected,
Form correct and deep concept；Some vivid abilities can be provided, cause the interest of study, collect the attention of middle school student
Power, contributes to the deep understanding to knowledge, memory and consolidates；Student can be made by observing and thinking deeply, thinking activities are carried out,
Development Watch power, imagination and thinking ability.The method of demonstration refers to that in teaching process teacher uses intuitive teaching aid, and cooperation is said
Award progress exemplary operation demonstration, a kind of teaching side of perceptual knowledge or proof theory knowledge is obtained in making student from
Method.
In Higher Mathematics Teaching, the study on the limit and vector is essential, and often teachers association uses
Hand form block is that student shows functional limit and circular motion, and manual operations is cumbersome, and not directly perceived unintelligible therefore anxious
A kind of teaching aid is needed, the problem of artificial operation is wasted time and energy is solved.
Utility model content：
The purpose of this utility model is, in order to overcome the weak point that above-mentioned prior art is present, and to provide a kind of university's number
Teaching aid is learned, it is reasonable in design, safe and reliable, has done corresponding improvement for existing College Mathematics Teaching teaching aid, has solved
The problem of artificial operation is wasted time and energy.
In order to solve the problems existing in background technology, the utility model is to adopt the following technical scheme that：Including teaching aid board,
Support meanss and travel mechanism, support meanss are made up of base, fixed seat, elevating lever and rotating seat, and fixation is provided with base
Activity on elevating lever, elevating lever top connection rotating seat, rotating seat is cased with seat, fixed seat and places teaching aid board, teaching aid board is divided into
First teaching aid board and the second teaching aid board, the first teaching aid board and the second teaching aid board are U-shaped groove type structure, and the first teaching aid board and the
Two teaching aid boards are connected by rotating shaft, and the first teaching aid board and the second teaching aid board, which are mutually fastened, can turn into a casing, the first teaching aid board
Upper laminating grid magnetic sheet, grid magnetic sheet identifies iron plate provided with the limit, and grid magnetic sheet side is provided with longitudinal coordinate axle chi,
The horizontal line of numeral correspondence grid magnetic sheet on longitudinal coordinate axle chi；Second teaching aid board is provided with fixed block, fixed block one end
It is flexibly connected by bearing pin with motion bar, rotating shaft is vertically provided with motion bar, rotating shaft passes through motion bar, and rotating shaft one end is shaken with L-type
Bar is connected, and the rotating shaft other end is vertical with cross bar to be connected, and is provided with cross bar in screw thread, cross bar and is cased with threaded rod, threaded rod and screw thread
Cooperate, threaded rod one end is provided with screw, screw and scribbles fluorescent paint；Described base bottom is provided with sucker, bottom
Seat two ends, which are provided with groove, groove, is provided with travel mechanism, and travel mechanism includes road wheel and revolving part, and groove two side passes through even
Spindle is connected, and connecting shaft outer wall is cased with revolving part, and revolving part is connected by linking arm with road wheel.
The first described teaching aid board and the outer wall of the second teaching aid board are provided with handle.
Described road wheel carries out 180 degree rotation by revolving part.
Described limit mark iron plate number is at least four.
The lateral separation and fore-and-aft distance of each lattice represent a unit length on described grid magnetic sheet.
The beneficial effects of the utility model be it is reasonable in design, it is safe and reliable：
1）Using travel mechanism, facilitate the movement of teaching aid board, road wheel therein can 180 degree rotation, it is necessary to when rotate
To base bottom, it is not necessary to when rotate to base top, save space, it is convenient and swift；
2）The first teaching aid board and the second teaching aid board used, mutually fastening turns into casing, has reached and has been convenient for carrying teaching aid board
Purpose；
3）The support meanss of use, complete the work of teaching aid board lifting and rotation, serve effect of the teaching without dead angle；
4）Using grid magnetic sheet and limit mark iron plate, can paint function curve diagram on grid magnetic sheet, and pass through
The limit mark iron plate mark limit point, more intuitively allow student understand the limit the problem of；
5）Using screw and rocking bar, student is allowed to understand circular motion, and then understand the phases such as circular motion instantaneous acceleration
Knowledge is closed, meanwhile, change the radius of gyration of screw by adjusting the length of threaded rod.
This teaching aid, has reached that a teaching aid can carry out the purpose of a variety of content of courses demonstrations, is adapted to large-scale promotion
With use.
Brief description of the drawings：
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model use state figure.
Fig. 3 is the utility model moving machine composition.
Fig. 4 is that the utility model is combined into casing figure.
Embodiment：
With reference to each figure, the utility model specifically uses and mode is implemented as follows：Including teaching aid board, support meanss and moving machine
Structure, support meanss are made up of base 17, fixed seat 18, elevating lever 15 and rotating seat 14, and fixed seat 18 is provided with base 17, Gu
Activity on elevating lever 15, the top of elevating lever 15 connection rotating seat 14, rotating seat 14 is cased with reservation 18 and places teaching aid board, teaching aid board
It is divided into the first teaching aid board 1 and the second teaching aid board 4, the first teaching aid board 1 and the second teaching aid board 4 are U-shaped groove type structure, and the first religion
The tool teaching aid board 4 of plate 1 and second is connected by rotating shaft, and the first teaching aid board 1 and the second teaching aid board 14 mutually fastening can turn into a case
Laminating grid magnetic sheet 2 on body, the first teaching aid board 1, grid magnetic sheet 2 identifies iron plate 3, the side of grid magnetic sheet 2 provided with the limit
End is provided with the horizontal line of the numeral correspondence grid magnetic sheet 2 on longitudinal coordinate axle chi 10, longitudinal coordinate axle chi 10；Second teaching aid board
4 are provided with fixed block 5, and the one end of fixed block 5 is flexibly connected by bearing pin with motion bar 8, and rotating shaft 7 is vertically provided with motion bar 8, turn
Axle 7 passes through motion bar 8, and the one end of rotating shaft 7 is connected with L-type rocking bar 6, and the other end of rotating shaft 7 is vertical with cross bar 12 to be connected, and is set in cross bar 12
Have and threaded rod 13 be cased with screw thread, cross bar 12, threaded rod 13 cooperates with screw thread, the one end of threaded rod 12 is provided with screw 11,
Fluorescent paint is scribbled on screw 11；The described bottom of base 17 is provided with sucker 19, and the two ends of base 17 are provided with groove 20, groove 20
Interior to be provided with travel mechanism 9, travel mechanism 9 includes road wheel 904 and revolving part 903, and the two side of groove 20 is connected by connecting shaft 901
Connect, the outer wall of connecting shaft 901 is cased with revolving part 903, revolving part 903 is connected by linking arm 902 with road wheel 904.Described
The outer wall of one teaching aid board 1 and the second teaching aid board 4 is provided with handle 16.Described road wheel 904 carries out 180 by revolving part 903
Degree rotation.The described limit mark number of iron plate 3 is at least four.On described grid magnetic sheet the lateral separation of each lattice and
Fore-and-aft distance represents a unit length.
When this College Mathematics Teaching teaching aid works, teacher is consolidated base 17 by sucker 19 when being given lessons using teaching aid board
It is scheduled on lectern or desk, fixes after base 17, elevating lever 15 of the adjusting set in fixed seat 18, regulation is seen to students
The comfortable position of teaching aid board.Teaching aid board activity is placed on rotating seat 14, by rotating rotating seat 14, to the student of all angles
Show the content of courses.When required, teaching aid board can also be removed from rotating seat 14, the first teaching aid board 1 and the second teaching aid board 4
A casing can be turned into by mutually fastening, and can accommodate the resources material and support meanss of teacher, and the first teaching aid board 1
Handle 16 is provided with the outer wall of the second teaching aid board 4, teaching aid board effect easy to carry is served.
The horizontal and vertical distance that first teaching aid board 1 is provided with each grid on grid magnetic sheet 2, grid magnetic sheet 2 is equal
A unit length is represented, meanwhile, the side of grid magnetic sheet 2, which is provided with longitudinal coordinate axle chi 10, longitudinal coordinate axle chi 10, to be set
There are the coordinate digitals such as origin 0,1,2,3, -1, -2 and -3, the horizontal line on one grid magnetic sheet 2 of each numeral correspondence, teacher
Can be painted function curve diagram on grid magnetic sheet 2, and identified iron plate 3 by the limit and identified limit point, more intuitively allow
The raw knowledge for understanding the limit, is also convenient for flexible wait of Students ' Learning function and learns content.
Second teaching aid board 4 is provided with fixed block 5, and the one end of fixed block 5 is flexibly connected by bearing pin with motion bar 8, motion bar 8
It can carry out vertically being installed with rotating shaft 7 on 0 rotation for arriving 180 degree, motion bar 8, the one end of rotating shaft 7 connection L-type rocking bar 6, the other end of rotating shaft 7
Threaded rod 13 is cased with vertical connection cross bar 12, cross bar 12, the end of threaded rod 13 connection screw 11, threaded rod 13 passes through rotation
It can be stretched in cross bar 12.By hand L-type rocking bar 6, and then screw 11 is driven to carry out circular motion, while screw
11 are provided with fluorescent paint, in the case of rather dark, it can be observed how screw 11 moves in a circle in friction speed
Track, facilitate teacher to explain vector, instantaneous velocity and instantaneous acceleration of the screw in diverse location of circular motion.
Teacher can also change the radius of gyration of screw 11 by adjusting the length of threaded rod 13, and then research radius is
No instantaneous velocity or instantaneous acceleration on circular motion whether there is influence.
Travel mechanism 9 is provided with the two ends groove 20 of base 17, the road wheel 904 of travel mechanism 9 is carried out by revolving part 903
180 degree is rotated, it is necessary to which road wheel 904 is rotated into the bottom of base 17 when mobile, it is not necessary to the top of base 17 is rotated to when mobile,
Space is saved, it is convenient and swift.
In summary, this College Mathematics Teaching teaching aid uses travel mechanism 9, facilitates the movement of teaching aid board, row therein
Walk wheel 904 can 180 degree rotation, it is necessary to when rotate to the bottom of base 17, it is not necessary to when rotate to the top of base 17, save space,
It is convenient and swift；The first teaching aid board 1 and the second teaching aid board 4 used, mutually fastening turns into casing, has reached and has been convenient for carrying teaching aid board
Purpose；The support meanss of use, complete the work of teaching aid board lifting and rotation, serve effect of the teaching without dead angle；Adopt
With grid magnetic sheet 2 and limit mark iron plate 3, can paint function curve diagram on grid magnetic sheet 2, and identify iron by the limit
Piece 3 mark limit point, more intuitively allow student understand the limit the problem of；Using screw 11 and rocking bar 6, student is allowed to understand circumference fortune
It is dynamic, and then understand the relevant knowledges such as circular motion instantaneous acceleration, meanwhile, screw is changed by the length for adjusting threaded rod 13
11 radius of gyration.This teaching aid, has reached that a teaching aid can carry out the purpose of a variety of content of courses demonstrations, is adapted to extensive
Promote and use.
Claims (5)
1. a kind of College Mathematics Teaching teaching aid, including teaching aid board, support meanss and travel mechanism, it is characterised in that：Support meanss
By base（17）, fixed seat（18）, elevating lever（15）And rotating seat（14）Composition, base（17）On fixed seat is installed（18）,
Fixed seat（18）Inside it is cased with elevating lever（15）, elevating lever（15）Top connects rotating seat（14）, rotating seat（14）Upper activity is placed
Teaching aid board, teaching aid board is divided into the first teaching aid board（1）With the second teaching aid board（4）, the first teaching aid board（1）With the second teaching aid board（4）For U
Type groove type structure, and the first teaching aid board（1）With the second teaching aid board（4）Connected by rotating shaft, the first teaching aid board（1）With the second religion
Has plate（4）A casing, the first teaching aid board can be turned into by mutually fastening（1）Upper laminating grid magnetic sheet（2）, grid magnetic sheet（2）
Iron plate is identified provided with the limit（3）, grid magnetic sheet（2）Side is provided with longitudinal coordinate axle chi（10）, longitudinal coordinate axle chi（10）
On numeral correspondence grid magnetic sheet（2）Horizontal line；Second teaching aid board（4）It is provided with fixed block（5）, fixed block（5）One end
Pass through bearing pin and motion bar（8）It is flexibly connected, motion bar（8）It is upper to be vertically provided with rotating shaft（7）, rotating shaft（7）Through motion bar（8）,
Rotating shaft（7）One end and L-type rocking bar（6）Connection, rotating shaft（7）The other end and cross bar（12）Vertical connection, cross bar（12）It is interior to be provided with spiral shell
Line, cross bar（12）Inside it is cased with threaded rod（13）, threaded rod（13）Cooperated with screw thread, threaded rod（13）One end is provided with screw
（11）, screw（11）On scribble fluorescent paint；Described base（17）Bottom is provided with sucker（19）, base（17）Two ends are provided with
Groove（20）, groove（20）It is interior to be provided with travel mechanism（9）, travel mechanism（9）Including road wheel（904）And revolving part（903）, it is recessed
Groove（20）Two side passes through connecting shaft（901）Connection, connecting shaft（901）Outer wall is cased with revolving part（903）, revolving part（903）It is logical
Cross linking arm（902）With road wheel（904）Connection.
2. College Mathematics Teaching teaching aid according to claim 1, it is characterised in that：First teaching aid board（1）With the second teaching aid
Plate（4）Outer wall be provided with handle（16）.
3. College Mathematics Teaching teaching aid according to claim 1, it is characterised in that：Road wheel（904）Pass through revolving part
（903）Carry out 180 degree rotation.
4. College Mathematics Teaching teaching aid according to claim 1, it is characterised in that：The limit identifies iron plate（3）Number is at least
For four.
5. College Mathematics Teaching teaching aid according to claim 1, it is characterised in that：Grid magnetic sheet（2）Upper each lattice
Lateral separation and fore-and-aft distance represent a unit length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621376106.2U CN206516174U (en) | 2016-12-15 | 2016-12-15 | College mathematics teaching teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621376106.2U CN206516174U (en) | 2016-12-15 | 2016-12-15 | College mathematics teaching teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516174U true CN206516174U (en) | 2017-09-22 |
Family
ID=59862102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621376106.2U Expired - Fee Related CN206516174U (en) | 2016-12-15 | 2016-12-15 | College mathematics teaching teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206516174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166426A (en) * | 2018-10-31 | 2019-01-08 | 长治学院 | A kind of computer course teaching structural model |
-
2016
- 2016-12-15 CN CN201621376106.2U patent/CN206516174U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166426A (en) * | 2018-10-31 | 2019-01-08 | 长治学院 | A kind of computer course teaching structural model |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Youcai Inventor after: Gao Yang Inventor before: Gao Youcai |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20201215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |