CN209607216U - A kind of mathematical education demonstration board - Google Patents
A kind of mathematical education demonstration board Download PDFInfo
- Publication number
- CN209607216U CN209607216U CN201920178398.6U CN201920178398U CN209607216U CN 209607216 U CN209607216 U CN 209607216U CN 201920178398 U CN201920178398 U CN 201920178398U CN 209607216 U CN209607216 U CN 209607216U
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- CN
- China
- Prior art keywords
- hole
- plate
- side wall
- offers
- groove
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Abstract
The utility model discloses a kind of mathematical education demonstration boards, including plate body, the side side wall of plate body opens up fluted, the side side wall of groove offers first through hole, the other side side wall of groove offers the second through-hole, the internal slide of second through-hole is set with slide plate, the side side wall of slide plate offers third through-hole along its length, the side side wall of second through-hole is rotatably connected to shaft, the other end of shaft is fixed with vertically disposed rotating plate across the outside that third through-hole extends to the second through-hole, the lateral wall tight fit of shaft is socketed with gear, the side side wall of third through-hole offers rack gear along its length.The utility model the utility model teacher will can need the content demonstrated to finish writing in advance, occupancy time in classroom is not needed to be write, demonstration board can be used for multiple times simultaneously, reduce the labor intensity of teacher, and multiple demonstration boards can be fixed simultaneously, presentation operator can be carried out convenient for teacher, improve convenience.
Description
Technical field
The utility model relates to mathematical technique field more particularly to a kind of mathematical education demonstration boards.
Background technique
(mathematics or maths come from Greek, " m á th ē ma " to mathematics；Often it is abbreviated as " math "), it is to grind
The Men Xueke for studying carefully the concepts such as quantity, structure, variation, space and information, belongs to one kind of formal science in terms of certain angle.
Mathematician and philosopher have a series of view to the definite range of mathematics and definition.
During existing mathematical education, since many mathematical knowledge points require to carry out proof demonstration, traditional proof
Demonstration is often directly demonstrated on blackboard, and teacher is hand-written to occupy many time in classroom, and often one people of teacher is
With multiple classes, then with regard to needing in the hand-written demonstration of multiple classes progress, teacher's large labor intensity, meanwhile, it occupies too many
Time in classroom, for this purpose, we have proposed a kind of mathematical education demonstration boards.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of mathematical education proposed is used
Demonstration board.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of mathematical education demonstration board, including plate body, the side side wall of the plate body open up fluted, the side of groove
Side wall offers first through hole, and the other side side wall of the groove offers the second through-hole, the internal slide suit of the second through-hole
There is slide plate, the side side wall of slide plate offers third through-hole along its length, and the side side wall of second through-hole, which rotates, to be connected
It is connected to shaft, the other end of shaft is fixed with vertically disposed rotating plate, institute across the outside that third through-hole extends to the second through-hole
The lateral wall tight fit for stating shaft is socketed with gear, and the side side wall of the third through-hole offers rack gear along its length,
And be connected by meshing transmission between wheel and rack, the side side wall of the rotating plate offers symmetrically arranged fourth hole, and the 4th
The internal slide of through-hole is set with fixed link, and one end of fixed link extends to fourth hole and is fixed with pulling plate jointly, pulling plate and solid
It is vertically arranged between fixed pole, the other end of the slide plate extends to inside grooves and is fixed with pressing plate, and hangs down between pressing plate and slide plate
Straight setting, the groove are internally provided with demonstration board.
Preferably, the top side wall of the plate body offers slot, the fixed link and slot along its axial array direction
Between be clamped setting, the side side wall of the plate body offers symmetrically arranged pilot hole, and the internal slide of pilot hole is set with
Guide rod.
Preferably, the other end of the guide rod extends to groove and fixes with pressing plate side wall, and between guide rod and pressing plate
It is vertically arranged.
Preferably, the top side wall of the plate body is fixed with symmetrically arranged support base, the top side wall connection of support base
There is lanyard.
Preferably, the side side wall of the groove is embedded with bearing block, and one end of the shaft and the inside of bearing block are solid
It is fixed.
Preferably, the vertical section of the pulling plate is strip, and is vertically arranged between pulling plate and rotating plate.
The utility model beneficial effect is:
1: by the cooperation between the plate body, demonstration board, groove of setting, teacher will can need in advance the content that demonstrate into
Row write is good, does not need occupancy time in classroom and is write, while demonstration board can be used for multiple times, reduces the labor of teacher
Fatigue resistance；
2: by the cooperation between gear, rack gear, rotating plate, pulling plate, fixed link, spring, shaft, can drill simultaneously multiple
Show that plate is fixed, presentation operator can be carried out convenient for teacher, improve convenience；
The utility model teacher will can need the content demonstrated to finish writing in advance, not need to occupy time in classroom progress
It writes, while demonstration board can be used for multiple times, reduce the labor intensity of teacher, and can be simultaneously to multiple demonstrations
Plate is fixed, and can carry out presentation operator convenient for teacher, improve convenience.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of mathematical education demonstration board structural schematic diagram；
Fig. 2 be the utility model proposes a kind of mathematical education demonstration board the second through-hole structure top view；
Fig. 3 be the utility model proposes a kind of mathematical education demonstration board plate body structure side view；
Fig. 4 be the utility model proposes a kind of mathematical education demonstration board skateboard side view.
In figure: 1 plate body, 2 grooves, 3 first through hole, 4 demonstration boards, 5 second through-holes, 6 slide plates, 7 third through-holes, 8 shafts, 9
Rotating plate, 10 fixed links, 11 pulling plates, 12 springs, 13 gears, 14 rack gears, 15 pressing plates, 16 guide rods, 17 support bases, 18 lanyards.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Person implicitly includes one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than a, unless otherwise specifically defined.
Referring to Fig.1-4, the side side wall of a kind of mathematical education demonstration board, including plate body 1, plate body 1 opens up fluted 2,
The side side wall of groove 2 offers first through hole 3, and the other side side wall of groove 2 offers the second through-hole 5, the second through-hole 5 it is interior
Portion's sliding sleeve is equipped with slide plate 6, and the side side wall of slide plate 6 offers third through-hole 7, the side of the second through-hole 5 along its length
Side wall is rotatably connected to shaft 8, and the other end of shaft 8 is fixed with vertically across the outside that third through-hole 7 extends to the second through-hole 5
The rotating plate 9 of setting, the lateral wall tight fit of shaft 8 are socketed with gear 13, and the side side wall of third through-hole 7 is opened along its length
It is connected by meshing transmission equipped with rack gear 14, and between gear 13 and rack gear 14, the side side wall of rotating plate 9 offers symmetrically arranged
Four through-holes, the internal slide of fourth hole are set with fixed link 10, and one end of fixed link 10 extends to fourth hole and fixes jointly
There is pulling plate 11, be vertically arranged between pulling plate 11 and fixed link 10, the other end of slide plate 6 extends to inside groove 2 and is fixed with pressing plate
15, and be vertically arranged between pressing plate 15 and slide plate 6, groove 2 is internally provided with demonstration board 4.
The top side wall of plate body 1 offers slot along its axial array direction, and setting is clamped between fixed link 10 and slot,
The side side wall of plate body 1 offers symmetrically arranged pilot hole, and the internal slide of pilot hole is set with guide rod 16, guide rod 16
The other end extend to groove and fixed with 15 side wall of pressing plate, and be vertically arranged between guide rod 16 and pressing plate 15, the top of plate body 1
Side wall is fixed with symmetrically arranged support base 17, and the top side wall of support base 17 is connected with lanyard 18, and the side side wall of groove 2 is embedding
Entering has bearing block, and one end of shaft 8 and the inside of bearing block are fixed, and the vertical section of pulling plate 11 is strip, and pulling plate 11 with turn
It is vertically arranged between plate 9.
Working principle: content of the teacher in advance by demonstration in second day writes on demonstration board 4, then pulls pulling plate 11, pulling plate
11 drive fixed links 10 are separated with corresponding slot, then rotate rotating plate 9, and rotating plate 9 drives shaft 8 to be rotated, and shaft 8 drives
Gear 13 is engaged with rack gear 14, to drive slide plate 6 mobile, slide plate 6 is mobile with dynamic pressure plate 15, then puts multiple demonstration boards 4
Enter inside groove 2, make the inside of demonstration board 4 against first through hole 3, then invert rotating plate 9, squeezes slide plate 6 with dynamic pressure plate 15
Demonstration board 4, is fixed the position of demonstration board 4, finally moves plate body 1, and plate body is hung over designated position by lanyard 18,
Directly support base 17 can be placed on dais, the design is simple and fast, teacher will can need in advance the content that demonstrate into
Row write is good, does not need occupancy time in classroom and is write, while demonstration board can be used for multiple times, reduces the labor of teacher
Fatigue resistance, and multiple demonstration boards can be fixed simultaneously, presentation operator can be carried out convenient for teacher, improved just
Victory.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of mathematical education demonstration board, including plate body (1), which is characterized in that the side side wall of the plate body (1) offers
Groove (2), the side side wall of groove (2) offer first through hole (3), and the other side side wall of the groove (2) offers second
Through-hole (5), the internal slide of the second through-hole (5) are set with slide plate (6), and the side side wall of slide plate (6) opens up along its length
Have third through-hole (7), the side side wall of second through-hole (5) is rotatably connected to shaft (8), and the other end of shaft (8) passes through
The outside that third through-hole (7) extends to the second through-hole (5) is fixed with vertically disposed rotating plate (9), the lateral wall of the shaft (8)
Tight fit is socketed with gear (13), and the side side wall of the third through-hole (7) offers rack gear (14) along its length, and tooth
It is connected by meshing transmission between wheel (13) and rack gear (14), the side side wall of the rotating plate (9) offers symmetrically arranged four-way
Hole, the internal slide of fourth hole are set with fixed link (10), and one end of fixed link (10) extends to fourth hole and fixes jointly
Have pulling plate (11), be vertically arranged between pulling plate (11) and fixed link (10), the other end of the slide plate (6) extends to groove (2)
Inside is fixed with pressing plate (15), and is vertically arranged between pressing plate (15) and slide plate (6), and being internally provided with for groove (2) is drilled
Show plate (4).
2. a kind of mathematical education demonstration board according to claim 1, which is characterized in that the tip side of the plate body (1)
Wall offers slot along its axial array direction, is clamped and is arranged between the fixed link (10) and slot, and the one of the plate body (1)
Side side wall offers symmetrically arranged pilot hole, and the internal slide of pilot hole is set with guide rod (16).
3. a kind of mathematical education demonstration board according to claim 2, which is characterized in that the guide rod (16) it is another
End extends to groove and fixes with pressing plate (15) side wall, and is vertically arranged between guide rod (16) and pressing plate (15).
4. a kind of mathematical education demonstration board according to claim 1, which is characterized in that the tip side of the plate body (1)
Wall is fixed with symmetrically arranged support base (17), and the top side wall of support base (17) is connected with lanyard (18).
5. a kind of mathematical education demonstration board according to claim 1, which is characterized in that the side side of the groove (2)
Wall is embedded with bearing block, and one end of the shaft (8) and the inside of bearing block are fixed.
6. a kind of mathematical education demonstration board according to claim 1, which is characterized in that the vertical section of the pulling plate (11)
For strip, and it is vertically arranged between pulling plate (11) and rotating plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920178398.6U CN209607216U (en) | 2019-02-01 | 2019-02-01 | A kind of mathematical education demonstration board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920178398.6U CN209607216U (en) | 2019-02-01 | 2019-02-01 | A kind of mathematical education demonstration board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209607216U true CN209607216U (en) | 2019-11-08 |
Family
ID=68403181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920178398.6U Expired - Fee Related CN209607216U (en) | 2019-02-01 | 2019-02-01 | A kind of mathematical education demonstration board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209607216U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081171A (en) * | 2019-12-10 | 2020-04-28 | 陕西铭泊停车服务有限公司 | Parking area bill-board puts in device |
| RU2801022C1 (en) * | 2023-03-01 | 2023-08-01 | федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный аграрный университет" (ФГБОУ ВО Волгоградский ГАУ) | Device for demonstrating directions of movement of flat gear structure |
-
2019
- 2019-02-01 CN CN201920178398.6U patent/CN209607216U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081171A (en) * | 2019-12-10 | 2020-04-28 | 陕西铭泊停车服务有限公司 | Parking area bill-board puts in device |
| RU2801022C1 (en) * | 2023-03-01 | 2023-08-01 | федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный аграрный университет" (ФГБОУ ВО Волгоградский ГАУ) | Device for demonstrating directions of movement of flat gear structure |
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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: 20191108 Termination date: 20210201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |