CN207097266U - A kind of mathematic graph demonstration device - Google Patents
A kind of mathematic graph demonstration device Download PDFInfo
- Publication number
- CN207097266U CN207097266U CN201720733698.7U CN201720733698U CN207097266U CN 207097266 U CN207097266 U CN 207097266U CN 201720733698 U CN201720733698 U CN 201720733698U CN 207097266 U CN207097266 U CN 207097266U
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- CN
- China
- Prior art keywords
- fuselage
- screen
- keyboard
- display screen
- demonstration device
- 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.)
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Abstract
The utility model discloses a kind of mathematic graph demonstration device, belong to realia technical field, it is made up of fuselage, detachable display screen, input keyboard is provided with the upside of the fuselage, provided with the screen slot for tilting backwards 30 degree on rear side of keyboard, screen slot rear is provided with a groove, and front is provided with keyboard data hole；Handle is provided with the left of fuselage, handle is soft balsam band；The width of the detachable display screen coordinates with screen slot for gap, detachable display screen main body is LED display, its left side lower end is provided with on-screen data hole, LED display front is covered with one layer of lucite, its thickness is 2.5mm, data/charging wire is provided between the on-screen data hole of detachable display screen and the keyboard data hole of fuselage, detachable display screen lower inside is provided with battery.The utility model allows demonstration device portability to improve by the improvement to prior art, while makes the function of screen more diversified, is easy to student to be better understood from mathematic graph.
Description
Technical field
It the utility model is related to realia technical field, and in particular to a kind of mathematics figure for school mathematicses teaching
Shape demonstration device.
Background technology
In school mathematicses education, the function curve of many two dimensions occurs in teaching material, it is often necessary to which teacher is in blackboard
Upper these figures of drafting, curve etc., help student to understand how caused curve is.Teacher draws the mathematics of standard on blackboard
Figure needs the long period, and because the graphic capability of teacher is different, the figure drawn out has larger error, causes function
Curve is inaccurate, the shape of figure is nonstandard, on the basis of instructional blocks of time is delayed, can influence the visual experience of student, influences
Quality of instruction.Therefore, some enterprises also have developed some structural apparatus now, introduce to the market, but currently used religion
Learn instrument, be mostly complicated, bulky illustrative instrument, expensive, complex operation, and in fact, can with
The school and training organization of these equipment are played, is nearly all the region for realizing audio-visual education programme, teacher completely can be on matlab
Directly write figure and projection teaching.And for be not implemented audio-visual education programme region, there is no at present practicality it is stronger be easy to take
The mathematic graph demonstration device of band, Students ' Learning is helped to understand mathematic graph.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of mathematic graph demonstration device, by the improvement to prior art, allow
Demonstration device portability improves, while makes the function of screen more diversified, is easy to student to be better understood from mathematic graph.
The technical solution of the utility model is as follows：
A kind of mathematic graph demonstration device, is made up of fuselage, detachable display screen；Input keyboard is provided with the upside of the fuselage,
A groove is provided with provided with the screen slot for tilting backwards 30 degree, screen slot rear on rear side of keyboard, front is provided with keyboard data hole；Machine
Handle is provided with the left of body, handle is soft balsam band；The width of the detachable display screen coordinates with screen slot for gap, removable
It is LED display to unload display screen main body, and its left side lower end is provided with on-screen data hole, and LED display front is organic covered with one layer
Glass, its thickness are 2.5mm, and data/fill are provided between the on-screen data hole of detachable display screen and the keyboard data hole of fuselage
Electric wire, detachable display screen lower inside are provided with battery.
Further, the front fuselage top edge and rear end top edge are equipped with upset slot, and junction is be hinged knot
Structure, upset slot are the rectangular drum like structure of openings at one side, and upset slot low order end is provided with baffle plate.
Further, elastic is provided between the fuselage rear and front end on the left of fuselage.
Further, one layer of magnetic sheet is provided with behind the LED display.Magnetic sheet can adhere to steel ruler, three
The teaching aids such as angle square, it is convenient to show some specific geometric figures, the especially overlapping structure of geometric figure to student.LED is shown
Display screen, magnetic sheet will not have an impact, and can use safely.
Further, the fuselage is provided with deep gouge, and input keyboard is embedded keyboard, and input keyboard is stuck in heavy on fuselage
In groove.Symbol of the input area inputted on keyboard used in mathematical function.
Further, described groove internal face is provided with multiple rubber cushions, and a free ink pen is inserted in a groove.
Further, it is provided with a bluetooth transceiver above the back body.Can be with other all types of flat boards
Computer connects.
The beneficial effects of the utility model are：
1st, by setting detachable display screen, when teaching, can be explained simultaneously close to student by teacher is hand-held
Pass round, facilitate student to understand, while can allow and be more convenient when storage；
2nd, when generation datagraphic is needed to use, detachable display screen may be inserted into display screen slot, consolidate
It is fixed, can be with the upset slot of the upset after laterally inserted be flipped up when need not use；
3rd, by setting elastic, further fixed mask；
4th, by setting lucite, allow free ink pen to be write above, conveniently further marked on the basis of figure
Explanatory notes word and figure；
5th, rubber cushion is provided with a groove, allows the insertion groove that pen can be more stable, is not fallen off.
Brief description of the drawings
Fig. 1 is structural representation stereogram of the present utility model；
Fig. 2 is Fig. 1 left view；
Fig. 3 is Fig. 1 container structure schematic diagram；
Fig. 4 is the latter half detail view of detachable display screen；
Fig. 5 is Fig. 2 bottom left section detail view.
Shown in figure：
1 it is fuselage, 2 is detachable display screen；
11 it is input keyboard, 12 be upset slot, 13 be a groove, 131 be rubber cushion, 14 is data/charging wire, 15 to carry
Hand, 16 be elastic, 17 be keyboard data hole, 18 be bluetooth transceiver；
21 it is LED display, 22 be on-screen data hole, 23 be poly (methyl methacrylate) plate, 24 is magnetic sheet.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in Fig. 1 to Fig. 5, a kind of mathematic graph demonstration device, it is made up of fuselage 1, detachable display screen 2；The fuselage 1
Upside is provided with input keyboard 11, and the fuselage 1 is provided with deep gouge, and input keyboard 11 is embedded keyboard, and input keyboard 11 is stuck in machine
Provided with the screen slot for tilting backwards 30 degree on rear side of deep gouge internal keyboard on body 1, screen slot rear is provided with a groove 13, a groove 13
Internal face is provided with multiple rubber cushions 131, inserts a free ink pen in a groove 13, front is provided with keyboard data hole 17；The left side of fuselage 1 is set
There is handle 15, handle 15 is soft balsam band；The width of the detachable display screen 2 coordinates with screen slot for gap, detachably
The main body of display screen 2 is LED display 21, and its left side lower end is provided with on-screen data hole 22, and the front of LED display 21 is covered with one layer
Lucite, its thickness are 2.5mm, and LED display 21 is provided with the on-screen data of one layer of detachable display screen 2 of magnetic sheet 24 below
Data/charging wire 14 is provided between hole 22 and the keyboard data hole 17 of fuselage 1, the lower inside of detachable display screen 2 is provided with battery.
The front end top edge of fuselage 1 and rear end top edge are equipped with upset slot 12, and junction is articulated structure, and upset slot 12 is
The rectangular drum like structure of openings at one side, the upset low order end of slot 12 are provided with baffle plate, and close fuselage 1 is left between the rear and front end of fuselage 1
Elastic 16 is provided with side.A bluetooth transceiver 18 is provided with above the rear end of fuselage 1.
Fuselage 1 is provided with power supply and battery, can connect external power charging, and given simultaneously by data/charging wire 14
Detachable display screen 2 charges, and on-screen data hole 22 and keyboard data hole 17 are the digit punch of 3.5mm diameters.
Circuit connecting relation inside display screen is identical with LED display 21 general at present, the circuit connection in fuselage 1
Relation is set according to the conventional keypad of prior art and the circuit of battery.
Bluetooth transceiver 18 is the transceiver of the agreement of bluetooth 4.0, can connect most equipment with bluetooth at present,
In some cases, it can directly be used by the use of common tablet personal computer as display, also can be directly connected to apparatus such as computer
On, and then broadcasting can also be projected.
Application method of the present utility model is as follows：
Teacher is from mathematic graph demonstration device provided by the utility model is carried to classroom, and now detachable display screen 2 is logical
Cross upset slot 12 and be fixed on the keyboard front of fuselage 1, and further fixed by elastic 16, when demonstration device is placed on table by teacher
After on face, remove elastic 16, then from side take out detachable display screen 2, then will upset slot 12 be turned to the front end of fuselage 1 and
Rear end, detachable display screen 2 is then inserted the slot of fuselage 1, be inserted into data/charging wire 14 to keyboard data hole 17 and screen
Curtain digit punch 22, realizes and fixes, and is used initially as mathematic graph demonstration device, can go lower data/charging in use
Line 14, student's Mobile exhibiting is given, or passed round, and the free ink pen taken out in a groove 13 is write in poly (methyl methacrylate) plate 23, so
The magnetic sheet 24 at the back side afterwards, it can be used for pasting steel teaching aid, if the shape of set square, ruler, especially stack combinations is (such as circle
When shape tangent line is imparted knowledge to students, inscribe and circumscribed demonstration are carried out with ruler and plectane, is easy to student to understand).After terminating, press
Reclaimed according to the mode of opening, and cover elastic 16, it is ensured that safety.Carried away by handle 15, use and carry and be all easily simple.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, although the utility model is disclosed above with preferred embodiment, but be not limited to the utility model, it is any ripe
Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still
Belong in the range of technical solutions of the utility model.
Claims (7)
1. a kind of mathematic graph demonstration device, is made up of fuselage, detachable display screen, input keyboard is provided with the upside of the fuselage, its
It is characterised by, is provided with a groove provided with the screen slot for tilting backwards 30 degree, screen slot rear on rear side of keyboard, front is provided with keyboard
Digit punch；Handle is provided with the left of fuselage, handle is soft balsam band；The width of the detachable display screen and screen slot are gap
Coordinate, detachable display screen main body be LED display, and lower end is provided with on-screen data hole on the left of it, LED display front covered with
One layer of lucite, its thickness are 2.5mm, are provided between the on-screen data hole of detachable display screen and the keyboard data hole of fuselage
Data/charging wire, detachable display screen lower inside are provided with battery.
2. a kind of mathematic graph demonstration device according to claim 1, it is characterised in that the front fuselage top edge is with after
End top edge is equipped with upset slot, and junction is articulated structure, and upset slot is the rectangular drum like structure of openings at one side, is overturn
Slot low order end is provided with baffle plate.
3. a kind of mathematic graph demonstration device according to claim 2, it is characterised in that leaned between the fuselage rear and front end
Elastic is provided with the left of nearly fuselage.
4. a kind of mathematic graph demonstration device according to claim 1, it is characterised in that be provided with behind the LED display
One layer of magnetic sheet.
5. a kind of mathematic graph demonstration device according to claim 1, it is characterised in that the fuselage is provided with deep gouge, input
Keyboard is embedded keyboard, and input keyboard is stuck in the deep gouge on fuselage.
6. a kind of mathematic graph demonstration device according to claim 1, it is characterised in that described groove internal face is provided with multiple
Rubber cushion, an a groove piece free ink pen of interior insertion.
7. a kind of mathematic graph demonstration device according to claim 1, it is characterised in that one is provided with above the back body
Individual bluetooth transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733698.7U CN207097266U (en) | 2017-06-22 | 2017-06-22 | A kind of mathematic graph demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720733698.7U CN207097266U (en) | 2017-06-22 | 2017-06-22 | A kind of mathematic graph demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097266U true CN207097266U (en) | 2018-03-13 |
Family
ID=61553544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720733698.7U Expired - Fee Related CN207097266U (en) | 2017-06-22 | 2017-06-22 | A kind of mathematic graph demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207097266U (en) |
-
2017
- 2017-06-22 CN CN201720733698.7U patent/CN207097266U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180313 Termination date: 20190622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |