CN206282488U - Sine curve apparatus for demonstrating is used in one kind teaching - Google Patents
Sine curve apparatus for demonstrating is used in one kind teaching Download PDFInfo
- Publication number
- CN206282488U CN206282488U CN201621327892.7U CN201621327892U CN206282488U CN 206282488 U CN206282488 U CN 206282488U CN 201621327892 U CN201621327892 U CN 201621327892U CN 206282488 U CN206282488 U CN 206282488U
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- Prior art keywords
- left frame
- slide rail
- frame
- line slide
- teaching
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Abstract
The utility model discloses a kind of teaching sine curve apparatus for demonstrating, belong to teaching appliance technical field, including annular peripheral frame, annular peripheral frame includes the upper side frame of head and the tail connection, left frame, lower frame and left frame successively, and four corners of annular peripheral frame are respectively equipped with vacuum cup；Chute is equipped with left frame and left frame, two chutes are oppositely arranged, line slide rail is provided between left frame and left frame, the left end of line slide rail is slidably mounted in the chute of left frame, the right-hand member of line slide rail is slidably mounted in the chute of left frame and passes left frame, slide is slidably fitted with line slide rail, chalk is installed on slide, slide connection drives the first power set of slide linear motion；The right-hand member connection of line slide rail drives reciprocating second power set of line slide rail.The utility model is easy to be drawn out on blackboard the sine curve of rule, and convenient teaching improves efficiency of teaching, is widely used in mathematical education.
Description
Technical field
The utility model is related to teaching appliance technical field, more particularly to a kind of teaching to use sine curve apparatus for demonstrating.
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, method of the perceptual knowledge to illustrate and confirm taught knowledge is obtained 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 to pass through observation and think deeply, carry out thinking activities,
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
Awarding carries out exemplary operation demonstration, makes student that a kind of teaching side of perceptual knowledge or proof theory knowledge is obtained from observation
Method.
In mathematical education, sinusoidal teaching demonstration is always a problem, and teacher cannot be drilled on blackboard
Show, can only be by simple drawing by hand, the sine curve drawn out is simultaneously irregular, therefore student is how to paint for sine curve
System is formed not readily understood always and grasped.
Therefore, based on drawbacks described above, in teaching instrument field, still suffered from for new teaching sine curve apparatus for demonstrating
Research and improved demand, this is also a study hotspot and emphasis in current teaching appliance field, even more the utility model
Where the starting point and power that are accomplished.
Utility model content
For above-mentioned many defects, the present inventor is paying sufficient creation by substantial amounts of further investigation
Property work after, so as to complete the utility model.
Specifically, technical problem to be solved in the utility model is：A kind of teaching sine curve demonstration dress is provided
Put, be easy to be drawn out on blackboard the sine curve of rule, convenient teaching improves efficiency of teaching.
In order to solve the above technical problems, the technical solution of the utility model is to provide a kind of teaching being demonstrated with sine curve
Device, teaching sine curve apparatus for demonstrating includes annular peripheral frame, and the annular peripheral frame includes the upper of head and the tail connection successively
Frame, left frame, lower frame and left frame, four corners of the annular peripheral frame are respectively equipped with vacuum cup；The left frame
With chute is equipped with left frame, chute is oppositely arranged described in two, and line slide rail, institute are provided between the left frame and left frame
The left end for stating line slide rail is slidably mounted in the chute of the left frame, and the right-hand member of the line slide rail is slidably mounted on described
The chute of left frame is interior and passes the left frame, and slide is slidably fitted with the line slide rail, is provided with the slide
Chalk, the slide connection drives the first power set of the slide linear motion；The right-hand member connection of the line slide rail is driven
Move reciprocating second power set of line slide rail.
In teaching of the present utility model with sine curve apparatus for demonstrating, as a kind of optimal technical scheme, described first
Power set include rotating the driving pulley and driven pulley being installed on the line slide rail, the driving pulley connection first
Buncher, is surrounded with Timing Belt between the driving pulley and driven pulley, be rotatablely equipped with the slide same with described
The driving pulley that step band is adapted, the driving pulley is arranged between the driving pulley and driven pulley.
In teaching of the present utility model with sine curve apparatus for demonstrating, as a kind of optimal technical scheme, described second
Power set include the second buncher being installed on the left frame, and the power output shaft of second buncher is fixed
Pivoted arm is installed, push rod is provided between the pivoted arm and the right-hand member of the line slide rail, described push rod one end is hinged and is installed on institute
The right-hand member of line slide rail is stated, the other end is rotated by jointed shaft and is installed on the pivoted arm.
In teaching of the present utility model with sine curve apparatus for demonstrating, as a kind of optimal technical scheme, the pivoted arm
Several mounting holes arranged in rows are provided with, the mounting hole is adapted with the jointed shaft.
Above-mentioned technical proposal is employed, the beneficial effects of the utility model are：
(1) because the corner of annular frame is provided with vacuum cup, the utility model can be fixed on blackboard surface, is easy to
Group instruction demonstration is carried out, it is very easy to use；Again due to being slidably fitted with line slide rail on left frame and left frame, straight line is slided
There is the chalk of linear motion on rail, and line slide rail can do the reciprocating motion perpendicular to chalk glide direction, and chalk is multiple
Just sine curve is drawn out during resultant motion on blackboard panel, student can be made intuitively to observe sinusoidal shape
Into process, it is easy to student to understand and grasp, so as to improve efficiency of teaching.
(2) because pivoted arm is provided with several mounting holes arranged in rows, by changing jointed shaft from different mounting holes
It is engaged, thus it is possible to vary the height of sine curve crest and trough；And by changing the rotating speed of the first buncher, Ke Yigai
Become the sinusoidal cycle, and then cause that teaching demonstration is more directly perceived so that each factor of student's sine curve easier to understand
Between relation.
(3) the utility model simple structure, it is easy to operate, it is easy to be demonstrated on blackboard and draws various sine curves, significantly
Improve efficiency of teaching and quality of instruction.
Brief description of the drawings
Fig. 1 is the positive structure schematic of the utility model embodiment；
Fig. 2 is the right side structural representation of Fig. 1；
Wherein, in fig. 1 and 2, each number designation refers to following concrete meaning, element or part respectively.
In figure：1st, upper side frame；2nd, left frame；3rd, lower frame；4th, left frame；5th, line slide rail；6th, slide；7th, chalk；8、
Vacuum cup；9th, the first buncher；10th, driving pulley；11st, driven pulley；12nd, Timing Belt；13rd, driving pulley；14th, second
Buncher；15th, pivoted arm；16th, push rod；17th, jointed shaft；18th, mounting hole；19th, chute.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail by specific embodiment, but these particularizations
The purposes and purpose of implementation method are only used for enumerating the utility model, not real protection scope of the present utility model is constituted and is appointed
Any restriction of what form, it is more non-that protection domain of the present utility model is confined to this.
As Fig. 1 and Fig. 2 jointly shown in, sine curve apparatus for demonstrating, including annular edge are used in teaching described in the utility model
Frame, annular peripheral frame includes the upper side frame 1 of head and the tail connection, left frame 2, lower frame 3 and left frame 4, four of annular peripheral frame successively
Corner is respectively equipped with vacuum cup 8, it is possible to use vacuum cup 8 integrally adsorbs on blackboard surface annular peripheral frame；The He of left frame 4
Chute 19 is equipped with left frame 2, two chutes 19 are oppositely arranged, the bearing of trend of chute 19 and left frame 4 and left frame 2 prolong
Stretch direction consistent, line slide rail 5, the bearing of trend of line slide rail 5 and prolonging for chute 19 are provided between left frame 4 and left frame 2
Stretch direction vertical, the left end of line slide rail 5 is slidably mounted in the chute 19 of left frame 4, and the right-hand member of line slide rail 5 is slidably installed
In left frame 2 chute 19 in and pass left frame 2, generally, rolling bearing is provided between line slide rail 5 and chute 19,
To reduce frictional force when line slide rail 5 is moved back and forth, the regularity and stability of the motion of line slide rail 5, line slide rail 5 are improved
On be slidably fitted with slide 6, chalk 7 is installed on slide 6, the connection of slide 6 drives the first power dress of the linear motion of slide 6
Put；The right-hand member connection of line slide rail 5 drives reciprocating second power set of line slide rail 5 so that chalk 7 is in the first power
Sine curve is just drawn out on blackboard panel during device and the second power set compound motion, student can be made directly perceived
Observe sinusoidal forming process, be easy to student understand and grasp, so as to improve efficiency of teaching and quality of instruction.
First power set include rotating the driving pulley 10 and driven pulley 11 being installed on line slide rail 5, main belt
Wheel 10 connects the first buncher 9, and Timing Belt 12 is surrounded between driving pulley 10 and driven pulley 11, and peace is rotated on slide 6
Equipped with the driving pulley 13 being adapted with Timing Belt 12, driving pulley 13 is arranged between driving pulley 10 and driven pulley 11,
Driving pulley 13 can be rotated with the translation of Timing Belt 12, so as to drive the linear slide on line slide rail 5 of slide 6.
Second power set include the second buncher 14 being installed on left frame 2, the power of the second buncher 14
Output shaft is installed with pivoted arm 15, and push rod 16 is provided between pivoted arm 15 and the right-hand member of line slide rail 5, and the one end of push rod 16 passes through axle
The right-hand member for being hinged and being installed on line slide rail 5 is held, the other end is rotated by jointed shaft 17 and is installed on pivoted arm 15, and pivoted arm 15 is provided with
Several mounting holes 18 arranged in rows, mounting hole 18 is adapted with jointed shaft 17, by changing jointed shaft 17 from different peaces
Dress hole 18 is engaged, thus it is possible to vary the height of sine curve crest and trough, the first buncher 9 and the second buncher 14
Rotating speed can be adjusted, in order to change the drawn sinusoidal cycle.
When using, annular frame is fixed on blackboard surface by vacuum cup 8 first, the first speed governing is then adjusted respectively
The rotating speed of the buncher 14 of motor 9 and second, then adjust the distance that chalk 7 stretches out slide 6, starts the first buncher 9 and the
Two bunchers 14, slide 6 moves to right the position of frame 2 from the position of left frame 4, and chalk 7 just draws a rule on blackboard
Sine curve；Change the rotating speed of the first buncher 9 and the second buncher 14, then draw a sine curve；Change hinge again
The installation site of spindle 17, draws a sine curve；Then teacher can compare, between professor's each key element of sine curve
Relation.
Although for the purpose illustrated and describe, and describing knot shown in above-mentioned implementation method of the present utility model and accompanying drawing
Structure and processing procedure.But these are not descriptions in detail, scope of the present utility model can not be confined into this.To this area
For technical staff, numerous modifications and variations can be made to above-mentioned implementation method of the present utility model, and these all of modifications
And/or change is included in as within claim limited range of the present utility model, without departing from such as claim institute
The scope and spirit of the present utility model for limiting.
Claims (4)
1. a kind of teaching uses sine curve apparatus for demonstrating, including annular peripheral frame, and the annular peripheral frame includes head and the tail connection successively
Upper side frame, left frame, lower frame and left frame, it is characterised in that：Four corners of the annular peripheral frame are respectively equipped with vacuum suction
Disk；Chute is equipped with the left frame and left frame, chute is oppositely arranged described in two, is set between the left frame and left frame
The left end for having line slide rail, the line slide rail is slidably mounted in the chute of the left frame, the right-hand member of the line slide rail
It is slidably mounted in the chute of the left frame and passes the left frame, slide, institute is slidably fitted with the line slide rail
State and chalk is installed on slide, the slide connection drives the first power set of the slide linear motion；The straight line is slided
The right-hand member connection of rail drives reciprocating second power set of line slide rail.
2. sine curve apparatus for demonstrating is used in teaching as claimed in claim 1, it is characterised in that first power set include
Rotation is installed on driving pulley and driven pulley on the line slide rail, and the driving pulley connects the first buncher, institute
State and Timing Belt is surrounded between driving pulley and driven pulley, be rotatablely equipped with what is be adapted with the Timing Belt on the slide
Driving pulley, the driving pulley is arranged between the driving pulley and driven pulley.
3. sine curve apparatus for demonstrating is used in teaching as claimed in claim 1 or 2, it is characterised in that second power set
Including the second buncher being installed on the left frame, the power output shaft of second buncher is installed with and turns
Push rod is provided between the right-hand member of arm, the pivoted arm and the line slide rail, described push rod one end is hinged and is installed on the straight line cunning
The right-hand member of rail, the other end is rotated by jointed shaft and is installed on the pivoted arm.
4. sine curve apparatus for demonstrating is used in teaching as claimed in claim 3, it is characterised in that the pivoted arm is provided with several
Mounting hole arranged in rows, the mounting hole is adapted with the jointed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327892.7U CN206282488U (en) | 2016-11-23 | 2016-11-23 | Sine curve apparatus for demonstrating is used in one kind teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327892.7U CN206282488U (en) | 2016-11-23 | 2016-11-23 | Sine curve apparatus for demonstrating is used in one kind teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206282488U true CN206282488U (en) | 2017-06-27 |
Family
ID=59075807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621327892.7U Expired - Fee Related CN206282488U (en) | 2016-11-23 | 2016-11-23 | Sine curve apparatus for demonstrating is used in one kind teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206282488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057846A (en) * | 2020-09-25 | 2021-07-02 | 江西应用科技学院 | Horizontal upper limb rehabilitation physiotherapy method and device |
-
2016
- 2016-11-23 CN CN201621327892.7U patent/CN206282488U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113057846A (en) * | 2020-09-25 | 2021-07-02 | 江西应用科技学院 | Horizontal upper limb rehabilitation physiotherapy method and device |
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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: 20170627 Termination date: 20171123 |