CN207123951U - A kind of Mathematics geometric extent movable teaching board - Google Patents
A kind of Mathematics geometric extent movable teaching board Download PDFInfo
- Publication number
- CN207123951U CN207123951U CN201720542057.3U CN201720542057U CN207123951U CN 207123951 U CN207123951 U CN 207123951U CN 201720542057 U CN201720542057 U CN 201720542057U CN 207123951 U CN207123951 U CN 207123951U
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- CN
- China
- Prior art keywords
- plate body
- placement
- plate
- bar
- teaching board
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Abstract
The utility model discloses a kind of Mathematics geometric extent movable teaching board, including plate body, the plate body front is provided with overhead gage, lower baffle plate, LED, placement bar and magnetic；Rotation connection knob, rotating bar, drawing pen and fixing bolt are provided with placement bar；Plate body left end is provided with rotor plate, and circular hole, placement piece and drawing board are provided with rotor plate；The plate body back side, which is provided with, rotates ridge and rotational support plate；Rotational support plate lower end is disposed with movable support rod, stop sleeve, support baseboard, weight placement case and universal wheel.The utility model is set by the placement bar of both ends activity, straight line and circle can be freely drawn on plate body surface, while add rotor plate, pass through the sketch hole on drawing board and scale marker, the fundamental figure in Geometric figure drawing can be completed, it is easy to use, reduce the carrying of drawing teaching aid；Plate body can coordinate rotation by rotating ridge and rotational support plate, be drawn so as to be more favorable for pattern.
Description
Technical field
Mathematics teaching aid is the utility model is related to, specifically a kind of Mathematics geometric extent movable teaching board.
Background technology
Geometry, exactly study space structure and a subject of property.It is one of research contents most basic in mathematics,
There is the status of no less important with analysis, algebraically etc., and relation is extremely close.Earliest geometry surely belongs to plane geometry.
Plane geometry is exactly straight line and conic section on studying plane（That is conic section, it is exactly oval, hyperbola and parabola）'s
Geometry and metric property（Area, length, angle）.Plane geometry employs axiomatic approach, has in mathematical thought history
There is important meaning.The content of plane geometry has also naturally enough been transitioned into the solid geometry of three dimensions.In order to calculate volume
And area for cutting, people actually have begun to the initial concept for being related to calculus.
After Descartes introduces coordinate system, the relation of algebraically and geometry comes into focus, and increasingly closely gets up.This just promotes
The generation of analytic geometry.Analytic geometry is independently created by Descartes, Fermat.This is once to have milestone meaning again
The event of justice.Analytically from the viewpoint of geometry, the property of geometric figure can be attributed to the analytical property and algebraically of equation
Matter.The classification problem of geometric figure（For example conic section is divided into three classes）, also translate into the algebraic characteristic classification of equation
The problem of problem, i.e. searching algebraically invariant.
In the teaching research of geometry, and the cooperation understanding of figure is essential, therefore is frequently necessary to take in several teaching
The a large amount of drawing teaching aids of band, while carrying trouble, it is also not convenient enough to be drawn on vertical blackboard, has influence on drawing
Effect, it is unfavorable for learner and watches understanding.
Utility model content
The purpose of this utility model is to provide a kind of Mathematics geometric extent movable teaching board, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：
A kind of Mathematics geometric extent movable teaching board, including plate body, the plate body front upper portion welding are provided with gear
Plate, the welding of plate body front lower end are provided with lower baffle plate, and the overhead gage lower end riveting is provided with LED, and the plate body is just
Middle face is vertically installed with placement bar, and the placement bar upper and lower ends, which symmetrically rotate, is provided with rotation connection knob, the placement
Rotated in the middle part of bar lower end and be provided with rotating bar, movable drawing pen is movably set with the rotating bar, it is described to dispose in bar upper end
Portion is provided through fixing bolt, and the plate body left end, which rotates, is provided with rotor plate, and the positive Middle face of rotor plate is through setting
Have a circular hole, in the circular hole upper end welding be provided with placement piece, the placement piece lower end is be hinged to be provided with drawing board, the plate body
Surface right part placement is provided with magnetic, and vertical welding is provided with rotation ridge in the middle part of the plate body back side, and the rotation chi chung portion turns
Dynamic to be connected with rotational support plate, the rotational support plate and the junction for rotating ridge are provided with the knob that is screwed, institute
State the welding of rotational support plate lower end and be provided with movable support rod, movable support rod periphery lower removable is provided with support set
Cylinder, the horizontal welding in the stop sleeve lower end are provided with support baseboard, and the support baseboard upper end is located at the stop sleeve two
Side, which is symmetrically welded, is provided with weight placement case, and support baseboard lower end both sides are symmetrically connected with universal wheel.
As further program of the utility model：Sheet iron is inlaid with the plate body, the plate body surface spraying has
Green paint.
As further program of the utility model：The rotation connection knob bottom is tapped, and the placement bar leads to
Cross the rotation connection knob and the riveting of plate body front is fixed.
As further program of the utility model：It is described to rotate half of the pole length for the placement bar, the rotation
Bar end is connected with the middle part of the placement bar by axis of rotation, and the rotating bar surface is provided with sliding groove.
As further program of the utility model：Turned between the rotor plate right-hand member and the plate body left end by rotating shaft
Dynamic connection, the area of the rotor plate are the half of the plate body area.
As further program of the utility model：The placement leaf length is the radius of the circular hole.
As further program of the utility model：The drawing plate surface is carved with multigroup sketch hole, is so easy to simple
The direct drafting of pattern, the drawing board are the semicircle transparent panel mutually agreed with the circular hole, and the drawing plate surface is carved with
Angle, the center of circle of the drawing board and placement piece lower end rotation connection.
As further program of the utility model：The stop sleeve inwall and the movable support rod activity agree with and
The stop sleeve right wall, which runs through, is connected with screw knob.
Compared with prior art, the beneficial effects of the utility model are：In use, the surface of plate body can be consolidated by magnetic
Fixed printed paper chart, while formula writing can be carried out on plate body surface, when carrying out pattern drafting, according to drafting position
Difference, may be selected to turn on the one of rotation connection knob in placement bar both sides, placement bar using another rotation connection knob as
The center of circle is rotated, and is opened fixing bolt release rotating bar and is rotated on placement bar, can be used for drawing straight line, justify needing picture
When, to determine the radius of circle, circle can be drawn by rotating rotating bar, such to be designed to for the position of adjustment activity drawing pen
Plate body surface optional position carries out standard drawing, while diameter of a circle can be adjusted flexibly, easy to use, it is not necessary to carry with
The tool ruler of drawing；When especially need not accurately draw, directly rotate rotor plate and cover in plate body frontal left, pass through drawing
Sketch hole on plate can be with Drawing Directly, and simultaneous graphic system plate can be also used for drawing out different angles, so add drawing
Flexibility, usually rotor plate can turn to the back side of plate body, do not interfere with writing use；Rotate and turn on rotational support plate
Dynamic ridge can adjust the angle of plate body, be easy to write, and avoid reflective, while can also form horizontal writing and drawing after being laid flat and put down
Platform, so it is easy to preferably to design writing on the blackboard and is easy to student viewing to understand；Pass through the flexible connection of movable support rod and stop sleeve
The height of plate body can be adjusted, can be used for placing article in weight placement case and effectively configure the stabilization with holding meanss, match somebody with somebody
Closing universal wheel can move on the ground, so as to improve the flexibility that device uses.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Mathematics geometric extent movable teaching board.
Fig. 2 is a kind of schematic side view of plate body in Mathematics geometric extent movable teaching board.
Fig. 3 is the structural representation that bar is disposed in a kind of Mathematics geometric extent movable teaching board.
In figure：1- plate bodys, 2- overhead gages, 21-LED lamps, 3- lower baffle plates, 4- placement bars, 41- rotation connection knobs, 42- turn
Lever, 43- activity drawing pens, 44- fixing bolts, 5- rotor plates, 51- circular holes, 52- placement pieces, 53- drawing boards, 6- magnetic, 7-
Rotate ridge, 8- rotational support plates, 9- movable support rods, 10- stop sleevees, 11- support baseboards, 12- weight placement casees, 13- ten thousand
To wheel.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1~3, in the utility model embodiment, a kind of Mathematics geometric extent movable teaching board, including plate body
1, sheet iron is inlaid with the plate body 1, the surface spraying of plate body 1 has green paint, and the front upper portion of plate body 1 welding is provided with
Overhead gage 2,1 positive lower end of the plate body welding are provided with lower baffle plate 3, and the lower end of overhead gage 2 riveting is provided with LED 21,
The control circuit of the LED 21 is connected with permanent circuit, and the 1 positive Middle face of plate body is vertically installed with placement bar 4, described
Placement bar 4 upper and lower ends, which symmetrically rotate, is provided with rotation connection knob 41, and rotation connection knob 41 bottom is tapped, institute
State placement bar 4 to fix by the rotation connection knob 41 and the riveting of the front of the plate body 1, the placement bar 4 can pass through two
The rotation connection knob 41 at end moves in a circle for the center of circle in the front of plate body 1, is rotated in the middle part of placement bar 4 lower end
Rotating bar 42 is provided with, the length of rotating bar 42 is the half for disposing bar 4, the end of rotating bar 42 and the placement
The middle part of bar 4 is connected by axis of rotation, and the surface of rotating bar 42 is provided with sliding groove, and work is movably set with the rotating bar 42
Dynamic drawing pen 43, the movable drawing pen 43 can be slided by the sliding groove in the rotating bar 42 on the surface of rotating bar 42
Dynamic, the placement upper center of bar 4 is provided through fixing bolt 44, and the fixing bolt 44 is connected through a screw thread through described
Bar 4 is disposed, the fixing bolt 44 can be by tightening the fixed rotating bar 42 and the relative position for disposing bar 4, institute
State the rotation of the left end of plate body 1 and be provided with rotor plate 5, connected between the right-hand member of rotor plate 5 and the plate body 1 left end by axis of rotation
Connect, the area of the rotor plate 5 is the half of the area of plate body 1, and the 5 positive Middle face of rotor plate is provided through circular hole
51, in the circular hole 51 upper end welding be provided with placement piece 52, placement piece 52 length is the radius of the circular hole 51, described
Placement piece 52 lower end is be hinged to be provided with drawing board 53, and the surface of drawing board 53 is carved with multigroup sketch hole, is so easy to simple graph
The direct drafting of case, the drawing board 53 are the semicircle transparent panel mutually agreed with the circular hole 51, the surface of drawing board 53
Angle, the center of circle of the drawing board 53 and placement piece 52 lower end rotation connection are carved with, the surface right part placement of plate body 1 is set
Magnetic 6 is equipped with, vertical welding is provided with rotation ridge 7 in the middle part of the back side of plate body 1, and the rotation ridge 7 is set in circular arc, described
Rotate the rotation connection of the middle part of ridge 7 and be provided with rotational support plate 8, the rotational support plate 8 and the junction for rotating ridge 7 are provided with
Be screwed knob, and the lower end of rotational support plate 8 welding is provided with movable support rod 9, the 9 peripheral bottom of movable support rod
Stop sleeve 10 is movably set with, the inwall of stop sleeve 10 and the movable support rod 9 activity agrees with and the support set
10 right walls of cylinder are provided with support baseboard 11, the branch through screw knob, the horizontal welding in the lower end of stop sleeve 10 is connected with
Support bottom plate 11 upper end, which is located at the both sides of stop sleeve 10 and is symmetrically welded, is provided with weight placement case 12, the weight placement case 12
In can be used for placing article, while also can counterweight toppled over avoiding device, symmetrically connection is set for the lower end both sides of support baseboard 11
It is equipped with universal wheel 13.
Operation principle of the present utility model is：In use, the surface of plate body 1 can fix printed paper by magnetic 6
Matter chart, while formula writing can be carried out on the surface of plate body 1, it is optional according to the difference for drawing position when carrying out pattern drafting
Select and turn on the one of rotation connection knob 41 in placement bar 4 both sides, placement bar 4 is entered with another rotation connection knob 41 for the center of circle
Row rotates, and opens the release rotating bar 42 of fixing bolt 44 and is rotated on placement bar 4, can be used for drawing straight line, justify needing picture
When, to determine the radius of circle, circle, such design energy can be drawn by rotating rotating bar 42 for the position of adjustment activity drawing pen 43
It is enough to carry out standard drawing in the surface optional position of plate body 1, while diameter of a circle can be adjusted flexibly, it is easy to use, it is not necessary to
Body carries the tool ruler of drawing；When especially need not accurately draw, directly rotate rotor plate 5 and cover in the frontal left of plate body 1,
Can be with Drawing Directly by the sketch hole on drawing board 53, simultaneous graphic system plate 53 can be also used for drawing out different angles, this
Sample adds the flexibility of drawing, and usually rotor plate 5 can turn to the back side of plate body 1, does not interfere with writing and uses；Rotating
Ridge 7 is rotated in supporting plate 8 can adjust the angle of plate body 1, be easy to write, avoid it is reflective, while can be with shape after being laid flat
Into the writing and drawing platform of level, so it is easy to preferably to design writing on the blackboard and is easy to student viewing to understand；Pass through the He of movable support rod 9
The flexible connection of stop sleeve 10 can adjust the height of plate body 1, can be used for placing article and effective in weight placement case 12
Configuration coordinates universal wheel 13 to move on the ground, so as to improve the flexibility that device uses with the stabilization of holding meanss.
The standardized element that the utility model uses can commercially, shaped piece according to specification and accompanying drawing
Record can carry out customized, the specific connected mode of each part is using bolt ripe in the prior art, rivet, weldering
The conventional meanses such as connect, machinery, part and equipment are using in the prior art, conventional model, plus circuit connection using existing
Conventional connected mode, will not be described in detail herein in technology.
It is obvious to a person skilled in the art that the 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, it can realize that this practicality is new in other specific forms
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 limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
1. a kind of Mathematics geometric extent movable teaching board, including plate body（1）, it is characterised in that the plate body（1）Front upper portion
Welding is provided with overhead gage（2）, the plate body（1）Positive lower end welding is provided with lower baffle plate（3）, the overhead gage（2）Lower end
Riveting is provided with LED（21）, the plate body（1）Positive Middle face is vertically installed with placement bar（4）, the placement bar（4）Up and down
Both ends symmetrically rotate and are provided with rotation connection knob（41）, the placement bar（4）Rotated in the middle part of lower end and be provided with rotating bar（42）,
The rotating bar（42）On be movably set with movable drawing pen（43）, the placement bar（4）Upper center is provided through fixing
Bolt（44）, the plate body（1）Left end rotates and is provided with rotor plate（5）, the rotor plate（5）Positive Middle face is provided through justifying
Hole（51）, the circular hole（51）Interior upper end welding is provided with placement piece（52）, the placement piece（52）Be hinged be provided with lower end is painted
Chart board（53）, the plate body（1）Surface right part placement is provided with magnetic（6）, the plate body（1）Vertical welding is set in the middle part of the back side
There is rotation ridge（7）, the rotation ridge（7）Middle part rotation connection is provided with rotational support plate（8）, the rotational support plate（8）With
The rotation ridge（7）Junction be provided with and be screwed knob, the rotational support plate（8）Lower end welding is provided with movable supporting
Bar（9）, the movable support rod（9）Peripheral lower removable is provided with stop sleeve（10）, the stop sleeve（10）Lower end water
Flat welded is provided with support baseboard（11）, the support baseboard（11）Upper end is located at the stop sleeve（10）Both sides are symmetrically welded
It is provided with weight placement case（12）, the support baseboard（11）Lower end both sides are symmetrically connected with universal wheel（13）.
A kind of 2. Mathematics geometric extent movable teaching board according to claim 1, it is characterised in that the plate body（1）
Inside it is inlaid with sheet iron, the plate body（1）Surface spraying has green paint.
A kind of 3. Mathematics geometric extent movable teaching board according to claim 1, it is characterised in that the rotation connection
Knob（41）Bottom is tapped, the placement bar（4）Pass through the rotation connection knob（41）With the plate body（1）Positive riveting
Connect fixation.
A kind of 4. Mathematics geometric extent movable teaching board according to claim 1, it is characterised in that the rotating bar
（42）Length is the placement bar（4）Half, the rotating bar（42）End and the placement bar（4）Middle part is turned by rotating shaft
Dynamic connection, the rotating bar（42）Surface is provided with sliding groove.
A kind of 5. Mathematics geometric extent movable teaching board according to claim 1, it is characterised in that the rotor plate
（5）Right-hand member and the plate body（1）Connected between left end by axis of rotation, the rotor plate（5）Area be the plate body（1）
The half of area.
A kind of 6. Mathematics geometric extent movable teaching board according to claim 1, it is characterised in that the placement piece
（52）Length is the circular hole（51）Radius.
A kind of 7. Mathematics geometric extent movable teaching board according to claim 1, it is characterised in that the drawing board
（53）Multigroup sketch hole is carved with surface, is so easy to the direct drafting of simple pattern, the drawing board（53）For semicircle and institute
State circular hole（51）The transparent panel mutually agreed with, the drawing board（53）It is carved with angle, the drawing board in surface（53）The center of circle and institute
State placement piece（52）Lower end is rotatablely connected.
A kind of 8. Mathematics geometric extent movable teaching board according to claim 1, it is characterised in that the stop sleeve
（10）Inwall and the movable support rod（9）Activity agrees with and the stop sleeve（10）Right wall, which runs through, is connected with screw knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720542057.3U CN207123951U (en) | 2017-05-16 | 2017-05-16 | A kind of Mathematics geometric extent movable teaching board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720542057.3U CN207123951U (en) | 2017-05-16 | 2017-05-16 | A kind of Mathematics geometric extent movable teaching board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207123951U true CN207123951U (en) | 2018-03-20 |
Family
ID=61613883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720542057.3U Expired - Fee Related CN207123951U (en) | 2017-05-16 | 2017-05-16 | A kind of Mathematics geometric extent movable teaching board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207123951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222461A (en) * | 2018-10-30 | 2019-01-18 | 河南工业职业技术学院 | A kind of mathematical education frame in more teaching faces |
| CN111754824A (en) * | 2020-07-30 | 2020-10-09 | 濮阳职业技术学院 | English writing training tool |
-
2017
- 2017-05-16 CN CN201720542057.3U patent/CN207123951U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109222461A (en) * | 2018-10-30 | 2019-01-18 | 河南工业职业技术学院 | A kind of mathematical education frame in more teaching faces |
| CN109222461B (en) * | 2018-10-30 | 2021-03-30 | 河南工业职业技术学院 | Mathematical education frame with multiple teaching surfaces |
| CN111754824A (en) * | 2020-07-30 | 2020-10-09 | 濮阳职业技术学院 | English writing training tool |
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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: 20180320 Termination date: 20190516 |