CN106739677A - A kind of mathematical education blackboard - Google Patents
A kind of mathematical education blackboard Download PDFInfo
- Publication number
- CN106739677A CN106739677A CN201710143506.1A CN201710143506A CN106739677A CN 106739677 A CN106739677 A CN 106739677A CN 201710143506 A CN201710143506 A CN 201710143506A CN 106739677 A CN106739677 A CN 106739677A
- Authority
- CN
- China
- Prior art keywords
- montant
- blackboard
- cross bar
- chalk
- sliding block
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/001—Mathematical drawing instruments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/007—Circular curve-drawing or like instruments with perforated or marked rulers
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention belongs to teaching aid technical field, there is provided a kind of mathematical education blackboard, including blackboard, the upper and lower both sides of blackboard are provided with track, across being provided with the first montant and the second montant that are slidably connected with it between two tracks, second montant can be circumferentially rotated, picture circle cross bar and the setting-out cross bar that be provided with and can rotate up and down are slided on first montant, draw circle cross bar and be provided with chalk fixed mount, the auxiliary setting-out cross bar that be provided with and can rotate up and down is slided on second montant, the relative side of setting-out cross bar is located on the second montant and is provided with blackboard eraser；First montant is Telescopic rod structure, and its two ends is articulated with its being slidably connected in portion between track.The left and right sides of blackboard is provided with montant groove.The mathematical education blackboard that the present invention is provided occupies little space, it is easy to use, allow teacher to be not required to carry cumbersome drawing instrument, it is more accurate that blackboard is drawn, and blackboard-cleaning is more convenient.
Description
Technical field
The invention belongs to teaching aid technical field, more particularly to a kind of mathematical education blackboard.
Background technology
Need to draw substantial amounts of geometry during high school mathematics teaching to chart, and present, mathematics teacher when drawing, it is necessary to
Carry the teaching aid for drawing such as set square, compasses, it has not been convenient to carry and draw and be not accurate enough；During teaching of senior high school, knowledge quantity
Greatly, write more on blackboard, blackboard wiping is more frequent, and chalk powder does not allow easy to clean.
The content of the invention
The technical problems to be solved by the invention are：In view of the shortcomings of the prior art, there is provided it is a kind of it is easy to operate, paint
Figure is accurate, the quick mathematical education blackboard of blackboard wiping.
In order to solve the above technical problems, the technical scheme is that：A kind of mathematical education blackboard, including blackboard, it is special
Levy and be:The blackboard is symmetrically arranged on two with the track for extending laterally up and down, across being provided with first between two tracks
The two ends of montant and the second montant, first montant and second montant are slideably positioned in the track respectively, described
Scale is respectively marked with first montant and second montant, slip is provided with first longitudinal direction sliding block and second and indulges on first montant
To sliding block, first angle dial plate is rotatably connected on the first longitudinal direction sliding block, is rotatably connected on the second longitudinal direction sliding block
Second angle dial plate, the first angle bidding quotation is provided with picture circle cross bar, and the second angle dial plate is provided with setting-out cross bar；
Second montant can be circumferentially rotated along it, slided on second montant and be provided with the 3rd longitudinal sliding block, and described the
Rotated on three sliding blocks and be provided with auxiliary setting-out cross bar, the side relative with the sliding block is provided with along described second on second montant
The blackboard eraser that the length direction of montant extends；
Described picture is respectively marked with scale on circle cross bar, the auxiliary setting-out cross bar and the setting-out cross bar, the picture justifies cross bar
Elongated hole slot and chalk fixed mount are provided with, the chalk fixed mount includes bush of chalk, is provided with above the bush of chalk
Spring compressor, the bush of chalk top is provided with chalk trip bolt, and the bush of chalk passes through the elongated hole slot, described
The bush of chalk part above elongated hole slot is arranged with upper support frame, the bush of chalk below the elongated hole slot
Part is arranged with lower bracing frame, and pointer is provided with the upper support frame, is twisted on the upper support frame and is provided with support frame fastening spiral shell
Nail, support frame as described above trip bolt the inner is acted against on the upper surface for drawing circle cross bar.
Preferably, it is provided with the first longitudinal direction sliding block, the second longitudinal direction sliding block and the 3rd longitudinal sliding block
For the spring fixed clamp of self-locking, the two ends of first montant and second montant are equipped with transverse slider, described second
The two ends of montant are rotated be arranged at on the transverse slider corresponding to it respectively, and the transverse slider is slided and is located at the rail
In road, the spring fixed clamp for self-locking is also equipped with the transverse slider；First montant is Telescopic rod structure,
Two outer ends of first montant are hinged on the transverse slider corresponding thereto.
Preferably, second montant and the blackboard eraser are Detachable connection structure, and the left and right sides of the blackboard sets
It is equipped with the montant groove that first montant and second montant are put for hiding.
Preferably, it is provided with detachable chalk powder collecting tank below the track on the downside of the blackboard.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
The mathematical education blackboard that the present invention is provided, the first montant and the second cross bar are slidably connected with track, the first montant
Can be horizontally slipped with the second montant, can be used to draw vertical curve；Sliding block on setting-out cross bar and picture circle cross bar and the first montant
Connection is rotated, sliding block is slidably connected and can move up and down and rotate with the first montant, setting-out cross bar, for drawing horizontal line and tiltedly
Line；Drawing circle cross bar can slide up and down, for drawing camber line and circle.The sliding block being provided with is slided on second montant, is rotated on sliding block
The auxiliary setting-out cross bar being provided with, auxiliary setting-out cross bar can be moved up and down and rotated, and auxiliary setting-out cross bar is drawn.
The angle dial plate that connection is rotated on first montant can accurately determine streak-inclined angle and camber line angle；Draw circle horizontal
Chalk fixed mount on bar facilitates the drafting of circular arc, and the spring compressor of chalk fixed mount can be by chalk outwardly against being easy to paint
Drawing shape, pointer observes size scale when facilitating drawing, chalk fixing screws can prevent chalk from coming off, the branch on upper support frame
Support trip bolt can prevent the slip of the chalk fixed mount in drawing course；Blackboard eraser on second montant, the second montant
Can be used for blackboard wiping after being circumferentially rotated along it, it is more convenient.
Setting-out cross bar, auxiliary setting-out cross bar and picture circle cross bar are rotation connection, cross bar and picture circle cross bar are turned to perpendicular
Nogata is to can reduce its occupancy to blackboard writing space.
Spring fixed clamp on first longitudinal direction sliding block, second longitudinal direction longitudinal sliding block, the 3rd longitudinal sliding block and transverse slider can
To prevent setting-out cross bar, auxiliary setting-out cross bar, draw the slip of circle cross bar, the first montant and the second montant in drawing course.The
Transverse slider in two outer ends and track of one montant is articulated and connected, and the Collapsible structure of the first montant can be solid with spring
Clamp fixes one end of the first montant, and the other end of the first montant is moved, and makes the first montant for Oblique line drawing and measurement
Angle.The montant groove that the blackboard left and right sides is set can be horizontal by setting-out in the case of the first montant and the second montant not use
Bar, auxiliary setting-out cross bar and picture circle cross bar are rotated to vertical, the first montant and the second montant are slid into montant groove and is concealed, and are prevented
Only it blocks sight line and takes blackboard layout space.
The demountable structure of the second montant and blackboard eraser facilitates the replacing of blackboard eraser.The detachable powder that track lower section is set
The last collecting tank of pen facilitates the cleaning of chalk powder, reduces pollution of the chalk powder to ground.
The mathematical education blackboard that the present invention is provided occupies little space, it is easy to use, allow teacher to be not required to carry cumbersome drawing
Instrument, it is more accurate that blackboard is drawn, and blackboard-cleaning is more convenient.
Brief description of the drawings
Fig. 1 is the structural representation of mathematical education blackboard provided in an embodiment of the present invention；
Fig. 2 is the structural representation of the picture circle cross bar of the mathematical education blackboard shown in Fig. 1；
Fig. 3 is the structural representation of the chalk fixed mount of the picture circle cross bar of the mathematical education blackboard shown in Fig. 2；
Fig. 4 is second montant and auxiliary setting-out lateral rod mounting construction schematic cross-sectional view of the mathematical education blackboard shown in Fig. 1；
Fig. 5 is the track and the second montant mounting structure schematic cross-sectional view of the mathematical education blackboard shown in Fig. 1；
Fig. 6 is the track and the first montant mounting structure schematic cross-sectional view of the mathematical education blackboard shown in Fig. 1；
In figure：1- blackboards, 2- tracks, the detachable chalk powder collecting tanks of 3-, 4- montant grooves, the montants of 5- first, 6- second is erected
Bar, 7- setting-out cross bars, 8- auxiliary setting-out cross bars, 9- draws circle cross bar, 101- first angle dial plates, 102- second angle dial plates, 11-
Elongated hole slot, 12- chalk fixed mounts, 13- bush of chalk, 14- spring compressors, 151- upper support frames, 152- lower bracing frames, 16- refers to
Pin, 171- chalk trip bolts, 172- support frame trip bolts, 18- chalks, 19- spring fixed clamps, the longitudinal sliding blocks of 20- the 3rd,
21- blackboard erasers, 22- rail grooves, 23- transverse sliders.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 to Fig. 6 collectively illustrates the structural representation of mathematical education blackboard provided in an embodiment of the present invention, for the ease of
Illustrate, this figure only provides the structure division relevant with the present invention.
A kind of mathematical education blackboard, including blackboard 1, about the 1 of blackboard is symmetrically arranged on two with the track 2 for extending laterally, two
Across the first montant 5 and the second montant 6 is provided between individual track 2, the two ends of the first montant 5 and the second montant 6 are slided set respectively
It is placed in track 2, the first montant and the second montant can horizontally slip, can be used to draw vertical curve；First montant 5 and second is perpendicular
Scale is respectively marked with bar 6, is slided on the first montant 5 and is provided with first longitudinal direction sliding block and second longitudinal direction sliding block, on first longitudinal direction sliding block
First angle dial plate 101 is rotatably connected to, second angle dial plate 102 is rotatably connected on second longitudinal direction sliding block, angle dial plate can
Accurately to determine streak-inclined angle and camber line angle；First angle bidding quotation 101 is provided with picture circle cross bar 9, and drawing circle cross bar can be with
Rotate and slide up and down, for drawing camber line and circle；Second angle dial plate 102 is provided with setting-out cross bar 7, setting-out cross bar can more than
Lower movement and rotation, for drawing horizontal line and oblique line.
Second montant 6 can be circumferentially rotated along it, slided on the second montant 6 and be provided with the 3rd longitudinal sliding block 20, and the 3rd longitudinal direction is sliding
Rotated on block 20 and be provided with auxiliary setting-out cross bar 8, auxiliary setting-out cross bar can be moved up and down and rotated, for aid in drawing horizontal line and
Oblique line；The side relative with the sliding block 20 is provided with the blackboard eraser extended along the length direction of the second montant 6 on second montant 6
21, the blackboard eraser on the second montant, the second montant can be used for blackboard wiping after being circumferentially rotated along it, more convenient.
Draw and be respectively marked with scale on circle cross bar 9, setting-out cross bar 7 and auxiliary setting-out cross bar 8, draw circle cross bar 9 and be provided with elongated hole
Groove 11 and chalk fixed mount 12, chalk fixed mount facilitate the drafting of circular arc；Chalk fixed mount 12 includes bush of chalk 13, chalk
Sleeve 13 is provided with spring compressor 14 above, and spring compressor can be by chalk outwardly against being easy to graphing；The top of bush of chalk 13
Chalk trip bolt 171 is provided with, bush of chalk 13 passes through elongated hole slot 11, the bush of chalk 13 on elongated hole slot 11
Part is provided with upper support frame 151, and the part of the bush of chalk 13 below elongated hole slot 11 is provided with lower bracing frame 152, upper support
Pointer 16 is provided with 13 on frame, pointer observes size scale when facilitating drawing；Twist that to be provided with support frame tight on upper support frame 151
Gu screw 172, the inner of support frame trip bolt 172 act against picture circle cross bar 9 upper surface on, support frame trip bolt can in case
Only in drawing course chalk fixed mount slip.
The spring being provided with first longitudinal direction sliding block, second longitudinal direction sliding block and the 3rd longitudinal sliding block 20 for self-locking is fixed
The two ends of folder 19, the first montant 5 and the second montant 6 are equipped with transverse slider 23, and the two ends of the second montant 6 rotate be arranged at respectively
On the transverse slider 23 corresponding to it, transverse slider 23 is slided in track 2, is also equipped with transverse slider 23 for solid
Determine the spring fixed clamp 19 of transverse slider 23, spring fixed clamp 19 is the elastic-buckle structure being fixed on sliding block, and spring is fixed
Folder 19 in the on-state, removable movable slider, under locking state, can anti-limited slip block slide, prevent setting-out cross bar 7, auxiliary
The slip of setting-out cross bar 8, picture circle cross bar 9, the first montant 5 and the second montant 6 in drawing course；First montant 5 is set rod-type
Telescopic rod structure, two outer ends of the first montant 5 are hinged on transverse slider 23 corresponding thereto, with spring fixed clamp 9
One end of the first montant 5 is fixed, the other end of the first montant 5 is moved, incline the first montant 5, can be used to Oblique line drawing
With measurement angle.
Second montant 6 and the demountable structure side that blackboard eraser 21 is Detachable connection structure, the second montant 6 and blackboard eraser 21
Blackboard eraser 21 replacing；The left and right sides of blackboard 1 is provided with the montant groove that the first montant 5 and the second montant 6 are put for hiding
4, the montant groove 4 that the blackboard left and right sides is set can be horizontal by setting-out in the case of the first montant 5 and the not use of the second montant 6
Bar 7, auxiliary setting-out cross bar 8 and picture circle cross bar 9 are rotated to vertical state, are then slid into the first montant 5 and the second montant 6 perpendicular
Concealed in bar groove 4, prevent it from blocking sight line and take blackboard layout space.
Detachable chalk powder collecting tank 3 is provided with below the track 2 of the downside of blackboard 1, it is detachable that the lower section of track 2 is set
Chalk powder collecting tank 3 facilitates the cleaning of chalk powder, reduces pollution of the chalk powder to ground.
The mathematical education blackboard that the present invention is provided occupies little space, it is easy to use, allow teacher to be not required to carry cumbersome drawing
Instrument, it is more accurate that blackboard is drawn, and blackboard-cleaning is more convenient.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (4)
1. a kind of mathematical education blackboard, including blackboard, it is characterised in that:Being symmetrically arranged on two with up and down for the blackboard is extended laterally
Track, across being provided with the first montant and the second montant, first montant and second montant between two tracks
Two ends be slideably positioned in respectively in the track, scale, described are respectively marked with first montant and second montant
Slided on one montant and be provided with first longitudinal direction sliding block and second longitudinal direction sliding block, rotated on the first longitudinal direction sliding block and be provided with first angle
Dial plate, is rotatably connected to second angle dial plate on the second longitudinal direction sliding block, the first angle bidding quotation is provided with picture circle cross bar,
The second angle dial plate is provided with setting-out cross bar；
Second montant can be circumferentially rotated along it, slided on second montant and be provided with the 3rd longitudinal sliding block, and the described 3rd slides
Rotated on block and be provided with auxiliary setting-out cross bar, the side relative with the sliding block is provided with along second montant on second montant
Length direction extend blackboard eraser；
Described picture is respectively marked with scale on circle cross bar, the auxiliary setting-out cross bar and the setting-out cross bar, set on the picture circle cross bar
There are elongated hole slot and chalk fixed mount, the chalk fixed mount includes bush of chalk, spring is provided with above the bush of chalk
Cap, the bush of chalk top is provided with chalk trip bolt, and the bush of chalk passes through the elongated hole slot, described elongated
The bush of chalk part above hole slot is arranged with upper support frame, the bush of chalk part below the elongated hole slot
Lower bracing frame is arranged with, pointer is provided with the upper support frame, twisted on the upper support frame and be provided with support frame trip bolt, institute
Support frame trip bolt the inner is stated to act against on the upper surface for drawing circle cross bar.
2. mathematical education blackboard as claimed in claim 1, it is characterised in that:The first longitudinal direction sliding block, the second longitudinal direction
The spring fixed clamp for self-locking is provided with sliding block and the 3rd longitudinal sliding block, first montant and described second are erected
The two ends of bar are equipped with transverse slider, and the two ends of second montant rotate to be arranged at respectively and slided with the transverse direction corresponding to it
On block, the transverse slider is slided in the track, and the spring for self-locking is also equipped with the transverse slider
Geometrical clamp；First montant is Telescopic rod structure, and two outer ends of first montant are hinged located at institute corresponding thereto
State on transverse slider.
3. mathematical education blackboard as claimed in claim 2, it is characterised in that:Second montant and the blackboard eraser are removable
Attachment structure is unloaded, the left and right sides of the blackboard is provided with the montant that first montant and second montant are put for hiding
Groove.
4. mathematical education blackboard as claimed in claim 2, it is characterised in that:Set below the track on the downside of the blackboard
It is equipped with detachable chalk powder collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143506.1A CN106739677B (en) | 2017-03-11 | 2017-03-11 | A kind of mathematical education blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710143506.1A CN106739677B (en) | 2017-03-11 | 2017-03-11 | A kind of mathematical education blackboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106739677A true CN106739677A (en) | 2017-05-31 |
| CN106739677B CN106739677B (en) | 2019-01-01 |
Family
ID=58962446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710143506.1A Active CN106739677B (en) | 2017-03-11 | 2017-03-11 | A kind of mathematical education blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106739677B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718947A (en) * | 2017-08-31 | 2018-02-23 | 邹先微 | A kind of multi-functional blackboard |
| CN107718955A (en) * | 2017-08-31 | 2018-02-23 | 邹先微 | A kind of diagonal scale |
| CN109177600A (en) * | 2018-11-01 | 2019-01-11 | 王冠涵 | The blackboard of included drawing tool |
| CN110877492A (en) * | 2018-09-06 | 2020-03-13 | 邯郸学院 | Device for drawing mathematical graph |
| CN112606596A (en) * | 2020-12-24 | 2021-04-06 | 青岛黄海学院 | Special multi-functional plotter of mathematics such as university height |
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| JP2005225142A (en) * | 2004-02-13 | 2005-08-25 | Ricoh Elemex Corp | Writing device |
| CN201380685Y (en) * | 2009-02-09 | 2010-01-13 | 龚志平 | Blackboard geometric figure drawing ruler |
| MX2010006704A (en) * | 2010-06-03 | 2010-11-25 | Jose Luis Del Socorro Davila Aviles | Mathematics didactic board. |
| CN203762547U (en) * | 2014-03-11 | 2014-08-13 | 王怀志 | Multifunctional special mathematics teaching frame |
| CN204382947U (en) * | 2015-01-29 | 2015-06-10 | 杨国栋 | A kind of for mathematical education mapping blackboard |
| CN204432121U (en) * | 2015-03-17 | 2015-07-01 | 王耀文 | Mathematical education servicing unit |
| CN204701331U (en) * | 2015-06-08 | 2015-10-14 | 王景红 | A kind of mathematical education blackboard |
| CN204701328U (en) * | 2015-05-05 | 2015-10-14 | 河北工程技术高等专科学校 | A kind of mathematical education blackboard |
| CN205272954U (en) * | 2015-11-30 | 2016-06-01 | 李树刚 | Blackboard for mathematics teaching |
| CN205381058U (en) * | 2015-12-17 | 2016-07-13 | 王秀梅 | Multifunctional blackboard is used in teaching |
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| CN1048821A (en) * | 1989-07-18 | 1991-01-30 | 曾德邻 | A kind ofly write, the fully automatic blackboard of drawing, sound picture unification |
| JP2005225142A (en) * | 2004-02-13 | 2005-08-25 | Ricoh Elemex Corp | Writing device |
| CN201380685Y (en) * | 2009-02-09 | 2010-01-13 | 龚志平 | Blackboard geometric figure drawing ruler |
| MX2010006704A (en) * | 2010-06-03 | 2010-11-25 | Jose Luis Del Socorro Davila Aviles | Mathematics didactic board. |
| CN203762547U (en) * | 2014-03-11 | 2014-08-13 | 王怀志 | Multifunctional special mathematics teaching frame |
| CN204382947U (en) * | 2015-01-29 | 2015-06-10 | 杨国栋 | A kind of for mathematical education mapping blackboard |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718947A (en) * | 2017-08-31 | 2018-02-23 | 邹先微 | A kind of multi-functional blackboard |
| CN107718955A (en) * | 2017-08-31 | 2018-02-23 | 邹先微 | A kind of diagonal scale |
| CN110877492A (en) * | 2018-09-06 | 2020-03-13 | 邯郸学院 | Device for drawing mathematical graph |
| CN109177600A (en) * | 2018-11-01 | 2019-01-11 | 王冠涵 | The blackboard of included drawing tool |
| CN112606596A (en) * | 2020-12-24 | 2021-04-06 | 青岛黄海学院 | Special multi-functional plotter of mathematics such as university height |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106739677B (en) | 2019-01-01 |
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Denomination of invention: A Kind of Mathematics Teaching Blackboard Effective date of registration: 20230602 Granted publication date: 20190101 Pledgee: Agricultural Bank of China Limited Yongjia County sub branch Pledgor: Kanglong World Amusement Co.,Ltd. Registration number: Y2023330001056 |
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