CN107437356A - A kind of adjustable teaching solid geometry three-view diagram apparatus for demonstrating - Google Patents
A kind of adjustable teaching solid geometry three-view diagram apparatus for demonstrating Download PDFInfo
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- CN107437356A CN107437356A CN201710727049.0A CN201710727049A CN107437356A CN 107437356 A CN107437356 A CN 107437356A CN 201710727049 A CN201710727049 A CN 201710727049A CN 107437356 A CN107437356 A CN 107437356A
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- fix bar
- projection plate
- projection
- view diagram
- plate
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- 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
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- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Geometry (AREA)
- Business, Economics & Management (AREA)
- Algebra (AREA)
- Educational Administration (AREA)
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Abstract
The invention discloses a kind of adjustable teaching solid geometry three-view diagram apparatus for demonstrating, including bottom fixed board, at the top center of the bottom fixed board turntable is rotatably connected to by being rotatablely connected axle, the turntable surface is connected with sucker by groove insertion, it is respectively embedded at two side frame centers of the bottom fixed board by rectangular through-hole and is connected with the first fix bar and the second fix bar, and first the top of fix bar and the second fix bar be respectively screw and be connected with the first projection lamp telescope support and the second projection lamp telescope support, the first projection plate and the second projection plate are welded with the bottom fixed board two side frame corresponding with the first fix bar and the second fix bar, in first projection plate and the second projection plate grid chi is coated with side body.In the present invention, first by provided with turntable, when carrying out lecture experiment, can be rotated by turntable to model, so that can be demonstrated when carrying out teaching demonstration more comprehensive.
Description
Technical field
The present invention relates to demonstration teaching aid technical field, more particularly to a kind of adjustable teaching solid geometry three-view diagram
Apparatus for demonstrating.
Background technology
Orthographic projection engineering drawing (front view, top view, three bases of left view of object length size can correctly be reflected
This view) it is three-view diagram, this is a kind of abstract expression mode sanctified by usage to geometry of objects of engineering circles, and three-view diagram is to see
The figure that survey person is from above, the left side, positive three different angles are observed same space geometric from and drawn, by the sight rule of people
It is set to parallel projection line, then faces object and look over, the figure that the profile of finding object is drawn out with orthography
Referred to as view.One object has six views：Rearwards the view of projection gained claims front view (to face before object
Figure) --- can reflect the preceding shapes of object, claim top view to the view obtained by following projection above object --- energy is instead
Shape above object is reflected, the view of projection gained claims left view (side view) from the left side of object to the right side --- can reflection
The left side shape of body, also other three views are not in daily use, and three-view diagram is exactly front view (front view), top view, left view
Scheme the general name of (side view).
High school mathematics teaching is exactly a kind of solid geometry three-view diagram apparatus for demonstrating with solid geometry three-view diagram apparatus for demonstrating, is passed
The high school mathematics teaching of system is relatively simple with solid geometry three-view diagram apparatus for demonstrating structure, and demonstration is not comprehensive enough, and what is formed regards
Scheme inadequate specification.
The content of the invention
The invention aims to solve shortcoming present in prior art, and the adjustable teaching of the one kind proposed is used and stood
Body geometry three-view diagram apparatus for demonstrating.
To achieve these goals, present invention employs following technical scheme：A kind of adjustable teaching solid geometry three
View apparatus for demonstrating, including bottom fixed board, it is rotatablely connected by being rotatablely connected axle at the top center of the bottom fixed board
There is turntable, the turntable surface is connected with sucker by groove insertion, passed through at two side frame centers of the bottom fixed board
Rectangular through-hole, which is respectively embedded into, is connected with the first fix bar and the second fix bar, and the top of the first fix bar and the second fix bar point
Other spiral is connected with the first projection lamp telescope support and the second projection lamp telescope support, the bottom fixed board and the first fix bar
The first projection plate and the second projection plate, first projection plate and second are welded with two side frames corresponding with the second fix bar
Grid chi is coated with projection plate on side body, water is coated with first projection plate and the second projection plate top horizontal frame
Vertical graduation apparatus is coated with flat graduation apparatus, first projection plate and the second projection plate vertical edge frame.
As further describing for above-mentioned technical proposal：
First fix bar and the second fix bar are mutually perpendicular to, and the first fix bar and the second fix bar and the first projection
Plate and the second projection plate are mutually corresponding.
As further describing for above-mentioned technical proposal：
First projection plate and the second projection plate are mutually perpendicular to, and the first projection plate and the second projection plate with and bottom
Fixed plate is mutually perpendicular to.
As further describing for above-mentioned technical proposal：
The rotation screw of connection rotation connection axle is offered at the top center of the bottom fixed board.
As further describing for above-mentioned technical proposal：
The groove offers three groups, and three groups of groove uniform cylindrical structures altogether, the center of circle of three groups of grooves and the circle of turntable
Morpheme is in same point.
In the present invention, first by provided with turntable, when carrying out lecture experiment, can be revolved by turntable to model
Turn, so that what can be demonstrated when carrying out teaching demonstration is more comprehensive, secondly, by provided with rectangular through-hole, the first projection
Lamp telescope support and the second projection lamp telescope support, the height and distance of projection lamp can be adjusted, so that projection
It is more accurate to produce view specification, improves the quality of the high school mathematics teaching solid geometry three-view diagram apparatus for demonstrating, adds
The competitiveness in market, further, by provided with sucker, model can be fixed by sucker, so that fixing more
It is firm.
Brief description of the drawings
Fig. 1 is a kind of structural representation of adjustable teaching solid geometry three-view diagram apparatus for demonstrating proposed by the present invention；
Fig. 2 is that a kind of projection harden structure of adjustable teaching solid geometry three-view diagram apparatus for demonstrating proposed by the present invention is shown
It is intended to；
Fig. 3 is that a kind of turntable structure of adjustable teaching solid geometry three-view diagram apparatus for demonstrating proposed by the present invention is illustrated
Figure.
Marginal data：
1- turntables, 2- bottom fixed boards, 3- rectangular through-holes, the fix bars of 4- first, the second projection lamps of 5- telescope support, 6-
Two fix bars, the second projection lamps of 7- telescope support, the projection plates of 8- first, the projection plates of 9- second, the vertical graduation apparatus of 10-, 11- are horizontal
Graduation apparatus, 12- grids chi, 13- rotation connections axle, 14- grooves, 15- suckers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-3, a kind of adjustable teaching solid geometry three-view diagram apparatus for demonstrating, including bottom fixed board 2, bottom
Turntable 1 is rotatably connected to by being rotatablely connected axle 13 at the top center of fixed plate 2, the surface of turntable 1 is embedded in by groove 14 to be connected
Sucker 15 is connected to, is respectively embedded at two side frame centers of bottom fixed board 2 by rectangular through-hole 3 and is connected with the first fix bar 4
With the second fix bar 6, and the top of the first fix bar 4 and the second fix bar 6 is respectively screw and is connected with the flexible branch of the first projection lamp
The projection lamp telescope support 7 of frame 5 and second, bottom fixed board 2 and 6 corresponding two side frame of the first fix bar 4 and the second fix bar
On be welded with the first projection plate 8 and the second projection plate 9, be coated with grid on side body in the first projection plate 8 and the second projection plate 9
Horizontal scale table 11, the first projection plate 8 and are coated with chi 12, the first projection plate 8 and the top horizontal frame of the second projection plate 9
Vertical graduation apparatus 10 is coated with the vertical edge frame of two projection plate 9.
First fix bar 4 and the second fix bar 6 are mutually perpendicular to, and the first fix bar 4 and the second fix bar 6 and the first projection
The projection plate 9 of plate 8 and second is mutually corresponding, and the first projection plate 8 and the second projection plate 9 are mutually perpendicular to, and the first projection plate 8 and second
Projection plate 9 with bottom fixed board 2 with being mutually perpendicular to so that the fixed projection lamp and the on the first projection lamp telescope support 5
One projection plate 8 is mutually perpendicular to, while the projection lamp on the second projection head telescope support 7 is mutually perpendicular to the second projection plate 9, so as to
It can ensure that parallel rays caused by projection lamp is mutually perpendicular to projection plate when being projected, so that regarding on projection plate
Figure more specification.
The rotation screw of connection rotation connection axle 13 is offered at the top center of bottom fixed board 2, groove 14 is opened altogether
Provided with three groups, and three groups of uniform cylindrical structures of groove 14, the center of circle of three groups of grooves 14 are located at same point with the circle of turntable 1.
Operation principle：The high school mathematics teaching is with solid geometry three-view diagram apparatus for demonstrating in use, will need to carry out first
The model of view demonstration is fixed on turntable 1 by sucker 15, is then stretched in the first projection lamp telescope support 5 and the second projection lamp
The fixed projection lamp in the top of contracting support 7, then according to the size of model, the He of the first fix bar 4 is adjusted by rectangular through-hole 3 respectively
The length of second fix bar 6, then carried out to the height of the first projection lamp telescope support 5 and the second projection lamp telescope support 7
Regulation, teaching demonstration is can be carried out after the completion of regulation.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of adjustable teaching solid geometry three-view diagram apparatus for demonstrating, including bottom fixed board (2), it is characterised in that institute
State and be rotatably connected to turntable (1), turntable (1) table by being rotatablely connected axle (13) at the top center of bottom fixed board (2)
Face is connected with sucker (15) by groove (14) insertion, is led at two side frame centers of the bottom fixed board (2) by rectangle
Hole (3), which is respectively embedded into, is connected with the first fix bar (4) and the second fix bar (6), and the first fix bar (4) and the second fix bar
(6) top, which is respectively screw, is connected with the first projection lamp telescope support (5) and the second projection lamp telescope support (7), the bottom
Be welded with fixed plate (2) two side frame corresponding with the first fix bar (4) and the second fix bar (6) the first projection plate (8) and
Grid chi (12) is coated with second projection plate (9), first projection plate (8) and the second projection plate (9) interior side body, it is described
Horizontal scale table (11), first projection plate are coated with first projection plate (8) and the second projection plate (9) top horizontal frame
(8) and in the second projection plate (9) vertical edge frame it is coated with vertical graduation apparatus (10).
A kind of 2. adjustable teaching solid geometry three-view diagram apparatus for demonstrating according to claim 1, it is characterised in that institute
State the first fix bar (4) and the second fix bar (6) is mutually perpendicular to, and the first fix bar (4) and the second fix bar (6) are thrown with first
Shadow plate (8) and the second projection plate (9) are mutually corresponding.
A kind of 3. adjustable teaching solid geometry three-view diagram apparatus for demonstrating according to claim 1, it is characterised in that institute
State the first projection plate (8) and the second projection plate (9) be mutually perpendicular to, and the first projection plate (8) and the second projection plate (9) with and bottom
Portion's fixed plate (2) is mutually perpendicular to.
A kind of 4. adjustable teaching solid geometry three-view diagram apparatus for demonstrating according to claim 1, it is characterised in that institute
State the rotation screw that connection rotation connection axle (13) is offered at the top center of bottom fixed board (2).
A kind of 5. adjustable teaching solid geometry three-view diagram apparatus for demonstrating according to claim 1, it is characterised in that institute
State groove (14) and offer three groups, and three groups of groove (14) uniform cylindrical structures, the center of circle and the turntable (1) of three groups of grooves (14) altogether
Circle be located at same point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727049.0A CN107437356A (en) | 2017-08-23 | 2017-08-23 | A kind of adjustable teaching solid geometry three-view diagram apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727049.0A CN107437356A (en) | 2017-08-23 | 2017-08-23 | A kind of adjustable teaching solid geometry three-view diagram apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107437356A true CN107437356A (en) | 2017-12-05 |
Family
ID=60460582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710727049.0A Withdrawn CN107437356A (en) | 2017-08-23 | 2017-08-23 | A kind of adjustable teaching solid geometry three-view diagram apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107437356A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010428A (en) * | 2018-01-19 | 2018-05-08 | 河南科技大学 | Entity methods of exhibiting and entity for the three-view diagram technique of painting of teaching show device |
| CN109443235A (en) * | 2018-11-02 | 2019-03-08 | 滁州市云米工业设计有限公司 | A kind of industrial design product collecting device for outline |
| CN111768681A (en) * | 2020-07-28 | 2020-10-13 | 哈尔滨学院 | Geometry projection simulation device |
-
2017
- 2017-08-23 CN CN201710727049.0A patent/CN107437356A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010428A (en) * | 2018-01-19 | 2018-05-08 | 河南科技大学 | Entity methods of exhibiting and entity for the three-view diagram technique of painting of teaching show device |
| CN108010428B (en) * | 2018-01-19 | 2024-07-02 | 河南科技大学 | Entity display method and entity display device for three-view drawing method for teaching |
| CN109443235A (en) * | 2018-11-02 | 2019-03-08 | 滁州市云米工业设计有限公司 | A kind of industrial design product collecting device for outline |
| CN111768681A (en) * | 2020-07-28 | 2020-10-13 | 哈尔滨学院 | Geometry projection simulation device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171205 |
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| WW01 | Invention patent application withdrawn after publication |