CN206765652U - A kind of mathematical education blackboard - Google Patents
A kind of mathematical education blackboard Download PDFInfo
- Publication number
- CN206765652U CN206765652U CN201720235945.0U CN201720235945U CN206765652U CN 206765652 U CN206765652 U CN 206765652U CN 201720235945 U CN201720235945 U CN 201720235945U CN 206765652 U CN206765652 U CN 206765652U
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- China
- Prior art keywords
- montant
- blackboard
- cross bar
- chalk
- sliding block
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Abstract
The utility model belongs to teaching aid technical field, provide a kind of mathematical education blackboard, including blackboard, blackboard is provided with track in both sides up and down, across provided with the first montant and the second montant being slidably connected with it between two tracks, second montant can circumferentially rotate, the picture circle cross bar and setting-out cross bar that is 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 is 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 both ends is articulated with its being slidably connected in portion between track.Montant groove is provided with left and right sides of blackboard.Mathematical education blackboard provided by the utility model occupies little space, is easy to use, allowing teacher to be not required to carry cumbersome drawing instrument, and it is more accurate that blackboard is drawn, and blackboard-cleaning is more convenient.
Description
Technical field
The utility model belongs to teaching aid technical field, more particularly to a kind of mathematical education blackboard.
Background technology
Need to draw substantial amounts of geometry drawing during high school mathematics teaching, 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 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.
Utility model content
Technical problem to be solved in the utility model is：In view of the deficienciess of the prior art, provide a kind of operation letter
Just, draw accurate, the quick mathematical education blackboard of blackboard wiping.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of mathematical education blackboard, including blackboard,
It is characterized in that:The both sides up and down of the blackboard are arranged with the track extended laterally, between two tracks across provided with
The both ends of first montant and the second montant, first montant and second montant are slideably positioned in the track respectively,
It is respectively marked with scale on first montant and second montant, is slided on first montant provided with first longitudinal direction sliding block and the
Two longitudinal sliding blocks, are rotatably connected to first angle dial plate on the first longitudinal direction sliding block, the company of rotation on the second longitudinal direction sliding block
Second angle dial plate is connected to, the first angle bidding quotation is provided with picture circle cross bar, and it is horizontal that the second angle dial plate is provided with setting-out
Bar；
Second montant can circumferentially rotate along it, slided on second montant and be provided with the 3rd longitudinal sliding block, and described the
Rotated on three longitudinal sliding blocks and be provided with auxiliary setting-out cross bar, the side relative with the sliding block is provided with along described on second montant
The blackboard eraser of the length direction extension of second montant；
Described draw is respectively marked with scale on circle cross bar, the auxiliary setting-out cross bar and the setting-out cross bar, described to draw circle 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 are 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 are 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 both ends of first montant and second montant are equipped with transverse slider, and described second
The both ends of montant rotate respectively be arranged at its corresponding to the transverse slider on, the transverse slider slides 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 be hinged on the transverse slider corresponding thereto.
Preferably, second montant and the blackboard eraser are Detachable connection structure, are set at left and right sides of the blackboard
It is equipped with the montant groove that first montant and second montant are put for hiding.
Preferably, detachable chalk powder collecting tank is provided with below the track on the downside of the blackboard.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
Mathematical education blackboard provided by the utility model, the first montant and the second cross bar and track are slidably connected, and first
Montant and the second montant can horizontally slip, available for drawing vertical curve；On setting-out cross bar and picture circle cross bar and the first montant
Sliding block be rotatablely connected, sliding block, which is slidably connected, can move up and down and rotate with the first montant, setting-out cross bar, for draw horizontal line and
Oblique 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 turned on sliding block
The dynamic 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 being rotatablely connected on first montant can accurately determine streak-inclined angle and camber line angle；It is horizontal to draw circle
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 observe 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
It 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 draw circle cross bar be rotation connection, by cross bar and draw circle cross bar turn to it is 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 consolidated with spring
Clamp fixes one end of the first montant, and the other end of the first montant is moved, the first montant is used for Oblique line drawing and measurement
Angle.The montant groove set at left and right sides of blackboard can be horizontal by setting-out in the first montant and the second montant in the case of
Bar, auxiliary setting-out cross bar and draw circle cross bar and rotate to vertical, the first montant and the second montant are slid into montant groove and concealed, is prevented
Only it blocks sight and takes blackboard layout space.
The demountable structure of second montant and blackboard eraser facilitates the replacing of blackboard eraser.The detachable powder set below track
The last collecting tank of pen facilitates the cleaning of chalk powder, reduces pollution of the chalk powder to ground.
Mathematical education blackboard provided by the utility model occupies little space, is easy to use, allow teacher be not required to carry it is 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 by the utility model；
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 the 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 are perpendicular
Bar, 7- setting-out cross bars, 8- auxiliary setting-out cross bars, 9- picture circle cross bars, 101- first angle dial plates, 102- second angle dial plates,
The elongated hole slots of 11-, 12- chalk fixed mounts, 13- bush of chalk, 14- spring compressors, 151- upper support frames, 152- lower bracing frames,
16- pointers, 171- chalk trip bolts, 172- support frame trip bolts, 18- chalks, 19- spring fixed clamps, the longitudinal directions of 20- the 3rd
Sliding block, 21- blackboard erasers, 22- rail grooves, 23- transverse sliders.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Fig. 1 to Fig. 6 collectively illustrates the structural representation of mathematical education blackboard provided by the utility model, for the ease of saying
Bright, this figure only provides the structure division relevant with the utility model.
A kind of mathematical education blackboard, including blackboard 1, about 1 both sides of blackboard are arranged with the track 2 extended laterally, and two
Set between individual track 2 across provided with the first montant 5 and the second montant 6, the both ends of the first montant 5 and the second montant 6 are slided respectively
It is placed in track 2, the first montant and the second montant can horizontally slip, available for drawing 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 circumferentially rotate 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, powder
Pen cap cylinder 13 is provided with spring compressor 14 above, and spring compressor can be by chalk outwardly against being easy to graphing；On bush of chalk 13
Portion is provided with chalk trip bolt 171, and bush of chalk 13 passes through elongated hole slot 11, the bush of chalk on elongated hole slot 11
13 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, on
Pointer 16 is provided with 13 on support frame, pointer observes size scale when facilitating drawing；Twisted on upper support frame 151 and be provided with support
Frame trip bolt 172, the inner of support frame trip bolt 172 are acted against on the upper surface of picture circle cross bar 9, and support frame trip bolt can
To prevent the slip of the chalk fixed mount in drawing course.
It is provided with first longitudinal direction sliding block, second longitudinal direction sliding block and the 3rd longitudinal sliding block 20 and is fixed for the spring of self-locking
The both ends of folder 19, the first montant 5 and the second montant 6 are equipped with transverse slider 23, and the both ends of the second montant 6 rotate setting respectively
On transverse slider 23 corresponding to Yu Yuqi, transverse slider 23 is slided in track 2, is also equipped with being used on transverse slider 23
The spring fixed clamp 19 of fixed lateral sliding block 23, spring fixed clamp 19 are the elastic-buckle structure being fixed on sliding block, and spring is solid
Clamp 19 in the on-state, removable movable slider, under locking state, can anti-limited slip block slide, prevent setting-out cross bar 7, auxiliary
Help setting-out cross bar 8, draw the slip of circle cross bar 9, the first montant 5 and the second montant 6 in drawing course；First montant 5 is loop bar
Formula Telescopic rod structure, two outer ends of the first montant 5 are be hinged on transverse slider 23 corresponding thereto, fixed with spring
Folder 9 fixes one end of the first montant 5, and the other end of the first montant 5 is moved, tilts the first montant 5, can be used to draw tiltedly
Line and 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 first montant 5 and the second montant 6 in the case of
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 and take blackboard layout space.
Detachable chalk powder collecting tank 3 is provided with below the track 2 of the downside of blackboard 1, the lower section of track 2 sets detachable
Chalk powder collecting tank 3 facilitates the cleaning of chalk powder, reduces pollution of the chalk powder to ground.
Mathematical education blackboard provided by the utility model occupies little space, is easy to use, allow teacher be not required to carry it is cumbersome
Drawing instrument, it is more accurate that blackboard is drawn, and blackboard-cleaning is more convenient.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of mathematical education blackboard, including blackboard, it is characterised in that:The both sides up and down of the blackboard, which are arranged with, to be extended laterally
Track, across provided with the first montant and the second montant between two tracks, first montant and second montant
Both ends be slideably positioned in respectively in the track, be respectively marked with scale on first montant and second montant, described
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, second angle dial plate being rotatably connected 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 circumferentially rotate along it, slided on second montant and be provided with the 3rd longitudinal sliding block, and the described 3rd is vertical
Rotated on to sliding block 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 of the length direction extension of montant；
Described draw is respectively marked with scale on circle cross bar, the auxiliary setting-out cross bar and the setting-out cross bar, described draw sets on circle cross bar
There is 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 are 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, is twisted on the upper support frame and is 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 both ends of bar are equipped with transverse slider, and the both ends of second montant rotate the transverse direction cunning being arranged at corresponding to it respectively
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 be 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 montant that first montant and second montant are put for hiding is provided with left and right sides of the blackboard
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 |
|---|---|---|---|
| CN201720235945.0U CN206765652U (en) | 2017-03-11 | 2017-03-11 | A kind of mathematical education blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720235945.0U CN206765652U (en) | 2017-03-11 | 2017-03-11 | A kind of mathematical education blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206765652U true CN206765652U (en) | 2017-12-19 |
Family
ID=60632477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720235945.0U Expired - Fee Related CN206765652U (en) | 2017-03-11 | 2017-03-11 | A kind of mathematical education blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206765652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194013A (en) * | 2019-05-14 | 2019-09-03 | 王梦欣 | A kind of network Mathematical Teaching System |
-
2017
- 2017-03-11 CN CN201720235945.0U patent/CN206765652U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194013A (en) * | 2019-05-14 | 2019-09-03 | 王梦欣 | A kind of network Mathematical Teaching System |
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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: 20171219 Termination date: 20190311 |