CN108230836A - A kind of background mathematics demonstrator - Google Patents
A kind of background mathematics demonstrator Download PDFInfo
- Publication number
- CN108230836A CN108230836A CN201810060534.1A CN201810060534A CN108230836A CN 108230836 A CN108230836 A CN 108230836A CN 201810060534 A CN201810060534 A CN 201810060534A CN 108230836 A CN108230836 A CN 108230836A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- top plate
- background mathematics
- hook
- demonstrator according
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
- G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Computational Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Algebra (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The present invention relates to a kind of background mathematics demonstrators, and including pedestal, telescopic column is provided on pedestal, and the top of column is provided with top plate, and the displaying device one of demonstration rotary body forming process is provided between top plate and pedestal；The displaying device two of verification circumference calculating method is provided with above top plate.Compared with prior art, a kind of background mathematics demonstrator provided by the invention can be used to demonstrate the forming process of rotary body, it is simple and clear, it is easy to student to be understood, can also demonstrates round perimeter and the relationship of π, increases the understanding of the calculating to round perimeter convenient for student, it deepens the impression, the present invention two kinds of demo functions of set are vdiverse in function in one, take up space small, practicability is good, is worthy to be popularized.
Description
Technical field
The invention belongs to teaching demonstration product technical fields, and in particular to a kind of background mathematics demonstrator.
Background technology
In background mathematics teaching, due to the scarcity of teaching aid, in many schools, the circumference calculating and π of rotary body and circle
The teaching presence of relationship certain difficulty, student can only live it is uninterrupted sleep gulp down jujube, learn some furs, as a result learn not deep impermeable, know it
However do not know its reason, understanding it is not thorough enough, it cannot be continuing study and take a firm foundation from now on to cause.
Invention content
In view of this, the present invention provides a kind of background mathematics demonstrator, to solve deficiency of the prior art.
The technical scheme is that：A kind of background mathematics demonstrator including pedestal, is provided with scalable on the pedestal
Column, the top of the column is provided with top plate, and demonstration rotary body forming process is provided between the top plate and pedestal
Show device one；The displaying device two of verification circumference calculating method is provided with above the top plate.
Preferably, LED light strip is provided on the upper surface of the pedestal and the lower surface of top plate, the LED light strip passes through
Control switch is electrically connected with the power supply being arranged in pedestal.
Preferably, the universal wheel being moved easily is provided with below the pedestal, is symmetrically set on the circumference of the pedestal
The journal stirrup being fixedly connected with pedestal is equipped with, horizontal adjustment screw rod is threaded on journal stirrup, the lower end of horizontal adjustment screw rod is fixed
Connects bearing.
Preferably, the column includes the fixed link being fixedly connected with pedestal, and the fixed link is tubular, the fixed link
Lever is inside set with, the lever is slidably connected with fixed link, and the fixed link top is provided with mounting hole one, the mounting hole
The holding screw for fixing lever position is provided in one.
Preferably, the displaying device one includes the round sliding rail one for being set on the base surface, the circle sliding rail one
On slidably connect multiple sliding blocks one, be provided with hook one on the upper surface of the sliding block one；The lower surface setting of the top plate
There is the round sliding rail two that multiple diameters are different, multiple sliding blocks two are slidably connected on the circle sliding rail two, the sliding block two
Hook two is provided on upper surface, elastic component is provided between the hook one and hook two.
Preferably, the elastic component is elastic webbing, and the top and the bottom of the elastic webbing offer multiple positions close to edge
Symmetrical mounting hole two is put, hook one and hook two are respectively arranged in the mounting hole two.
Preferably, the displaying device two includes fixed block, and the upper surface of the fixed block 7 offers slideway, the cunning
Slide rule is slidably connected in road, scale is equipped with before the slide rule, tooth socket, the slide rule are offered on the upper surface of the slide rule
On tooth socket engaged with gear, the gear is arranged in shaft, and the shaft is connect by shaft coupling with driving device.
Preferably, zero-bit mark pointer is provided on the gear.
Preferably, the pedestal and top plate are cylinder.
Preferably, it is provided with level meter on the upper surface of the pedestal.
Compared with prior art, a kind of advantageous effect of background mathematics demonstrator provided by the invention is：
1st, the present invention can be used to demonstrate the forming process of rotary body, simple and clear, is easy to student and is understood.
2nd, the present invention can demonstrate round perimeter and the relationship of π, increase the understanding of the calculating to round perimeter convenient for student, add
Deep impression.
3rd, two kinds of demo functions of present invention set are vdiverse in function in one, take up space small, practicability is good, is worthy to be popularized.
Description of the drawings
Fig. 1 is the overall structure front view of the present invention；
Fig. 2 is the overall structure vertical view of the present invention；
Fig. 3 is the bottom view of the fixed block of the present invention；
Fig. 4 is the front view of the fixed block of the present invention；
Fig. 5 is the vertical view of the fixed block of the present invention；
Fig. 6 is the left view of the fixed block of the present invention.
Reference sign：
1st, pedestal；2nd, round sliding rail one；3rd, elastic component；4th, column；5th, round sliding rail two；6th, top plate；7th, fixed block；8th, it is sliding
Ruler；9th, gear；10th, shaft；11st, zero-bit mark pointer；12nd, driving device.
Specific embodiment
The present invention provides a kind of background mathematics demonstrator and its operating method, with reference to the structural representation of Fig. 1 to Fig. 6
Figure, the present invention will be described.
As shown in Fig. 1 to Fig. 2, a kind of background mathematics demonstrator provided by the invention including pedestal 1, is set on the pedestal 1
Telescopic column 4 is equipped with, the top of the column 4 is provided with top plate 6, and demonstration rotation is provided between the top plate 6 and pedestal 1
Turn the displaying device one of forming process；The top of the top plate 6 is provided with the displaying device two of verification circumference calculating method.
Further, LED light strip, the LED light strip are provided on the upper surface of the pedestal 1 and the lower surface of top plate 6
By the way that switch is controlled to be electrically connected with the power supply being arranged in pedestal 1.
Further, the lower section of the pedestal 1 is provided with the universal wheel being moved easily, symmetrical on the circumference of the pedestal 1
Be provided with the journal stirrup being fixedly connected with pedestal 1, horizontal adjustment screw rod, the lower end of horizontal adjustment screw rod are threaded on journal stirrup
It is fixedly connected with bearing.
Further, the column 4 includes the fixed link being fixedly connected with pedestal 1, and the fixed link is tubular, described solid
Lever is set in fixed pole, the lever is slidably connected with fixed link, and the fixed link top is provided with mounting hole one, the peace
The holding screw for fixing lever position is provided in dress hole one.
Further, the displaying device one includes the round sliding rail 1 for being arranged on 1 upper surface of pedestal, the concentric stroking
Multiple sliding blocks one are slidably connected on rail 1, hook one is provided on the upper surface of the sliding block one；The following table of the top plate 6
Face is provided with the different round sliding rail 25 of multiple diameters, and multiple sliding blocks two are slidably connected on the circle sliding rail 25, described
Hook two is provided on the upper surface of sliding block two, elastic component 3 is provided between the hook one and hook two.
Further, the elastic component 3 is elastic webbing, and the top and the bottom of the elastic webbing offer multiple close to edge
The mounting hole two of positional symmetry is respectively arranged with hook one and hook two in the mounting hole two.
Further, as shown in Fig. 3 to Fig. 6, the displaying device two includes fixed block 7, the upper surface of the fixed block 7
Slideway is offered, slide rule 8 is slidably connected in the slideway, 8 front of slide rule is equipped with scale, the upper surface of the slide rule 8
On offer tooth socket, the tooth socket on the slide rule 8 is engaged with gear 9, and the gear 9 is arranged in shaft 10, the shaft 10
It is connect by shaft coupling with driving device 12.
Further, zero-bit mark pointer 11 is provided on the gear 9.
Further, the pedestal 1 and top plate 6 are cylinder.
Further, level meter is provided on the upper surface of the pedestal 1, is referred to levelness of the level meter to pedestal
It is adjusted.
Wherein, driving device 12 can be with selected as motor or hand-rail type turntable.
In use, during the formation of demonstration rotary body, first corresponded in the mounting hole two of elastic webbing top and the bottom and load onto extension
Then hook one and linking up with two is connect by hook one and hook two respectively with sliding block one and sliding block two, first by all sliding blocks gather in
At one, then, elastic webbing side is held, sliding block one and sliding block two is made to be slided respectively along round sliding rail one and round sliding rail two,
During so that head and the tail sliding block being in contact, you can stop at and apply active force on elastic webbing, at this point, the geometrical body that elastic webbing surrounds is i.e.
Rotary body for formation.
Wherein, the round sliding rail two on top plate has multiple, the round sliding rail two that can be demonstrated with unrestricted choice, round sliding rail two
Relative diameter between round sliding rail one is poor, determines the difference of the shape for the rotary body to be formed.
When needing to demonstrate the relationship of round perimeter and π, at this point it is possible to power be exported via driving device, first by gear
Stop when being rotated so that the zero-bit that zero-bit mark pointer is directed toward on slide rule, then driven via driving device so that gear turns
It is dynamic, it while gear rotates, is engaged via tooth socket and gear, slide rule is driven to be moved in slideway, gear rotates one week, makes again
It obtains zero-bit mark pointer to be perpendicularly oriented to stop during slide rule, checks the number on the slide rule that zero-bit mark pointer is directed toward at this time, you can
Know round perimeter, utilize the circumference datum of the circle of survey, you can verify round perimeter and the relationship of π.
Compared with prior art, a kind of background mathematics demonstrator provided by the invention, can be used to demonstrate the formation of rotary body
Process, it is simple and clear, it is easy to student and is understood, can also demonstrate round perimeter and the relationship of π, increases convenient for student to round week
The understanding of long calculating, deepens the impression, and the present invention two kinds of demo functions of set are vdiverse in function in one, take up space small, practicability
It is good, it is worthy to be popularized.
Disclosed above is only the preferable specific embodiment of the present invention, and still, the embodiment of the present invention is not limited to this,
What any those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of background mathematics demonstrator, including pedestal (1), which is characterized in that be provided on the pedestal (1) telescopic vertical
Column (4), the top of the column (4) are provided with top plate (6), demonstration rotary body are provided between the top plate (6) and pedestal (1)
The displaying device one of forming process；The displaying device two of verification circumference calculating method is provided with above the top plate (6).
2. a kind of background mathematics demonstrator according to claim 1, which is characterized in that the upper surface of the pedestal (1) and
LED light strip is provided on the lower surface of top plate (6), the LED light strip is by controlling the power supply switched with being arranged in pedestal (1)
Power electric connection.
A kind of 3. background mathematics demonstrator according to claim 1, which is characterized in that the lower section setting of the pedestal (1)
There is the universal wheel being moved easily, the journal stirrup being fixedly connected with pedestal (1) is symmetrically arranged on the circumference of the pedestal (1), prop up
Horizontal adjustment screw rod is threaded on ear, the lower end of horizontal adjustment screw rod is fixedly connected with bearing.
4. a kind of background mathematics demonstrator according to claim 1, which is characterized in that the column (4) includes and pedestal
(1) fixed link being fixedly connected, the fixed link are tubulars, and lever, the lever and fixed link are set in the fixed link
It is slidably connected, the fixed link top is provided with mounting hole one, is provided with to fix lever position in the mounting hole one
Holding screw.
5. a kind of background mathematics demonstrator according to claim 1, which is characterized in that the displaying device one includes setting
Round sliding rail one (2) in pedestal (1) upper surface slidably connects multiple sliding blocks one, the cunning on circle sliding rail one (2)
Hook one is provided on the upper surface of block one；The lower surface of the top plate (6) is provided with the different round sliding rail two of multiple diameters
(5), multiple sliding blocks two are slidably connected on the round sliding rail two (5), hook two are provided on the upper surface of the sliding block two,
Elastic component (3) is provided between the hook one and hook two.
6. a kind of background mathematics demonstrator according to claim 5, which is characterized in that the elastic component (3) is elastic webbing,
The top and the bottom of the elastic webbing offer the mounting hole two of multiple positional symmetries close to edge, and the mounting hole two is interior respectively
It is provided with hook one and hook two.
7. a kind of background mathematics demonstrator according to claim 1, which is characterized in that the displaying device two includes fixing
Block (7), the upper surface of the fixed block (7) offer slideway, and slide rule (8), the slide rule (8) are slidably connected in the slideway
Front is equipped with scale, offers tooth socket on the upper surface of the slide rule (8), and the tooth socket on the slide rule (8) is nibbled with gear (9)
It closes, the gear (9) is arranged in shaft (10), and the shaft (10) is connect by shaft coupling with driving device (12).
8. a kind of background mathematics demonstrator according to claim 7, which is characterized in that be provided with zero on the gear (9)
Position mark pointer (11).
9. a kind of background mathematics demonstrator according to claim 1, which is characterized in that the pedestal (1) and top plate (6) are
Cylinder.
10. a kind of background mathematics demonstrator according to claim 1, which is characterized in that on the upper surface of the pedestal (1)
It is provided with level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810060534.1A CN108230836A (en) | 2018-01-22 | 2018-01-22 | A kind of background mathematics demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810060534.1A CN108230836A (en) | 2018-01-22 | 2018-01-22 | A kind of background mathematics demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108230836A true CN108230836A (en) | 2018-06-29 |
Family
ID=62668406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810060534.1A Pending CN108230836A (en) | 2018-01-22 | 2018-01-22 | A kind of background mathematics demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108230836A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2154805C2 (en) * | 1997-10-30 | 2000-08-20 | Засолкин Владимир Анатольевич | Technique for graphic determination of parameters of circumference and devices for its realization |
| CN201773511U (en) * | 2010-09-14 | 2011-03-23 | 高秀梅 | Circumference ratio demonstrator |
| CN203102681U (en) * | 2013-03-15 | 2013-07-31 | 刘华 | Circumference ratio demonstrator |
| CN206331685U (en) * | 2016-12-07 | 2017-07-14 | 齐齐哈尔大学 | A kind of College Maths surface of revolution demonstration teaching aid |
| CN206672464U (en) * | 2017-03-15 | 2017-11-24 | 韩璐 | A kind of higher mathematics surface of revolution demonstration teaching aid |
| CN206726579U (en) * | 2017-03-27 | 2017-12-08 | 安顺学院 | A kind of higher mathematics surface of revolution demonstration teaching aid |
-
2018
- 2018-01-22 CN CN201810060534.1A patent/CN108230836A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2154805C2 (en) * | 1997-10-30 | 2000-08-20 | Засолкин Владимир Анатольевич | Technique for graphic determination of parameters of circumference and devices for its realization |
| CN201773511U (en) * | 2010-09-14 | 2011-03-23 | 高秀梅 | Circumference ratio demonstrator |
| CN203102681U (en) * | 2013-03-15 | 2013-07-31 | 刘华 | Circumference ratio demonstrator |
| CN206331685U (en) * | 2016-12-07 | 2017-07-14 | 齐齐哈尔大学 | A kind of College Maths surface of revolution demonstration teaching aid |
| CN206672464U (en) * | 2017-03-15 | 2017-11-24 | 韩璐 | A kind of higher mathematics surface of revolution demonstration teaching aid |
| CN206726579U (en) * | 2017-03-27 | 2017-12-08 | 安顺学院 | A kind of higher mathematics surface of revolution demonstration teaching aid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103761910B (en) | A kind of structural mechanics displacement method experimental provision and structural mechanics displacement method demenstration method | |
| CN206488780U (en) | A kind of portable geolocation measures plotting board | |
| CN203910149U (en) | Cam teaching device | |
| CN107891689A (en) | A kind of board for teaching mathematics | |
| CN205541535U (en) | Vocal music teaching is with show board | |
| CN211764553U (en) | Higher mathematics teaching is with curve drawing device | |
| CN108230836A (en) | A kind of background mathematics demonstrator | |
| CN206849325U (en) | A kind of instructional device for architectural design | |
| CN206605965U (en) | A kind of drawing instrument component | |
| CN107839783A (en) | A kind of robot leg firm organization | |
| CN205302768U (en) | Foucault pendulum experiment demonstration device | |
| CN209401193U (en) | A kind of adjustable apparatus for demonstrating to successively decrease for price power-assisted | |
| CN206465669U (en) | A kind of mathematics Special teaching demonstration board | |
| CN105070153A (en) | Multi-surface orthographic projection drawing geometry teaching instrument | |
| CN203910172U (en) | Solar system eight-planet demonstration instrument | |
| CN204432118U (en) | A kind of high number teaching Multipurpose display shelf | |
| CN205451534U (en) | Multi -media removes teaching platform | |
| CN205247782U (en) | Universal rotatory globe | |
| CN203966435U (en) | A kind of electric glass lifter testing table | |
| CN103794117A (en) | Circular motion presentation device | |
| CN204519806U (en) | A kind of art teaching draws table | |
| CN209121559U (en) | A kind of Legal Teaching Multifunctional demonstrator | |
| CN209514886U (en) | A kind of mobile interchange board of education for assisting Students ' Professional to plan | |
| CN206907240U (en) | It is a kind of to be given lessons assistant teaching aid suitable for Teaching of Economics | |
| CN215182505U (en) | Historical teaching is with audio-visual teaching aid display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |