CN207602087U - A kind of mathematical sine Function Teaching device - Google Patents
A kind of mathematical sine Function Teaching device Download PDFInfo
- Publication number
- CN207602087U CN207602087U CN201721232416.1U CN201721232416U CN207602087U CN 207602087 U CN207602087 U CN 207602087U CN 201721232416 U CN201721232416 U CN 201721232416U CN 207602087 U CN207602087 U CN 207602087U
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- board
- axis bar
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Abstract
The utility model discloses a kind of mathematical sine Function Teaching devices of teaching equipment technical field,Including pedestal,The bottom four corners of the pedestal are both provided with universal wheel,The left wall of the pedestal is provided with pushing hands,The inner cavity of the pedestal is provided with electric rotating machine,Board of education is installed at the top of the hydraulic cylinder,The outer wall of the board of education sets the check board that is magnetic,The first straight slot is offered at the top of the board of education,The inner cavity of first straight slot is plugged with Y-axis bar,The left wall of the board of education offers the second straight slot,The inner cavity of second straight slot is plugged with X-axis bar,The outer wall of the Y-axis bar is provided with metal fixed column,The storage receives the inner cavity of slot and is uniformly provided with unit groove,The inner cavity of the unit groove is placed with SIN function teaching rope,Accelerate the drafting speed of SIN function,SIN function image can be intuitively shown to student,Multigroup different SIN function image can be drawn simultaneously,The required different problems of teaching can be faced to be solved.
Description
Technical field
The utility model is related to teaching equipment technical field, specially a kind of mathematical sine Function Teaching device.
Background technology
During mathematical education, trigonometric function is the most basic knowledge of study, and particularly the utilization of SIN function is the most
Extensively.SIN function is defined as：Unique angle is all corresponded to for any one real number x, that is to say, that have one in Circular measure
A determining angle is equal to this real number, and this angle corresponds to the sine value sinx uniquely determined, in this way for any one
Real number x has the value sinx uniquely determined corresponding with it, according to the function that this correspondence rule is established, is expressed as y=sinx,
It is called SIN function.But the learning difficulty of SIN function is larger, and the examination question of SIN function is also emphasis topic in examination
Type, at present teacher often draw and explained on blackboard when explaining SIN function, teacher when carrying out Freehandhand-drawing diagram,
It could be completed by three list, described point, line steps, not only stop over progress of attending class, but also since hand-drawing graphics are not intuitive enough,
And it is relatively abstract, student, which understands, to get up relatively difficult, now also has a small amount of instructional device, such as Chinese Patent Application No. is
A kind of mathematical sine Function Teaching devices of CN201620844169.X, although can be good at being shown teaching,
Can only carry out a kind of displaying of function, when encounter solve the problems, such as between function and function when, aobvious is somewhat unable to do what one wishes, and
Existing mathematical sine Function Teaching device portability is poor, it is impossible to conveniently be moved, needed in view of above-mentioned carry
To the problem of, the utility model designs a kind of mathematical sine Function Teaching device, has solved the problems, such as mentioned above.
Utility model content
The purpose of this utility model is to provide a kind of mathematical sine Function Teaching device, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical solution：A kind of mathematical sine Function Teaching device, packet
Include pedestal, the bottom four corners of the pedestal are both provided with universal wheel, and the left wall of the pedestal is provided with pushing hands, the pedestal it is interior
Chamber is provided with electric rotating machine, and turntable is provided at the top of the pedestal, and the power output end of the electric rotating machine is plugged on turntable
Inner cavity, hydraulic cylinder is installed at the top of the turntable, the outer wall of the hydraulic cylinder is provided with hydraulic controller, the hydraulic cylinder
Top board of education is installed, the outer wall setting of the board of education is magnetic check board, and the is offered at the top of the board of education
One straight slot, the inner cavity of first straight slot are plugged with Y-axis bar, and the left wall of the board of education offers the second straight slot, and described second
The inner cavity of straight slot is plugged with X-axis bar, and the outer wall of the Y-axis bar is provided with metal fixed column, and the Y-axis bar passes through metal fixed column
It is connect with X-axis bar, the inner cavity of the X-axis bar offers elongated slot, and the inner cavity of the elongated slot is provided with storage and receives slot, and slot is received in the storage
Top and bottom are both provided with sliding block, and the inner wall of the sliding block and elongated slot to be slidably connected, receive the inner cavity of slot and uniformly open by the storage
Equipped with unit groove, the inner cavity of the unit groove is placed with SIN function teaching rope, and the outer wall of the SIN function teaching rope is uniform
It is provided with metal fixed block, the storage receives the left wall of slot and is provided with moving handle, and the left end of the moving handle is through X-axis bar
Left end.
Preferably, the outer wall of the universal wheel is provided with wheel and stops.
Preferably, setting hinge shaft on the left of the outer wall of the pedestal, the bottom end of the pushing hands is arranged on the outer wall of hinge shaft.
Preferably, the inner cavity right wall of the board of education and intracavity bottom are both provided with sliding slot, the bottom end of the Y-axis bar and X
The right end of axostylus axostyle is both provided with the movable block to match with sliding slot.
Compared with prior art, the beneficial effects of the utility model are：This kind of mathematical sine Function Teaching device, by setting
Universal wheel is put, it is easy to remove, portability is increased, board of education can be rotated and be stretched, and can meet the needs of different students,
Using magnetic check board, convenient for X-axis bar, Y-axis bar and SIN function teaching rope are fixed, clearly can accurately produce not
Congener SIN function image accelerates the drafting speed of SIN function, and SIN function figure can be intuitively shown to student
Picture, the residing unit groove of SIN function teaching rope have multigroup, can draw multigroup different SIN function image simultaneously, can be with face
To imparting knowledge to students, required different problems solve.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model X-axis rod structure schematic diagram.
In figure：1 pedestal, 2 universal wheels, 3 pushing hands, 4 electric rotating machines, 5 turntables, 6 hydraulic cylinders, 7 hydraulic controllers, 8 boards of education,
9 magnetic check boards, 10 first straight slots, 11Y axostylus axostyles, 12 second straight slots, 13X axostylus axostyles, 14 metal fixed columns, 15 storages receive slot, 16 slide
Block, 17 unit grooves, 18 SIN functions teaching rope, 19 metal fixed blocks, 20 moving handles, 21 elongated slots.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of mathematical sine Function Teaching device, including
Pedestal 1, the bottom four corners of the pedestal 1 are both provided with universal wheel 2, and the left wall of the pedestal 1 is provided with pushing hands 3, the pedestal 1
Inner cavity be provided with electric rotating machine 4, the top of the pedestal 1 is provided with turntable 5, and the power output end of the electric rotating machine 4 is inserted
The inner cavity of turntable 5 is connected on, the top of the turntable 5 is equipped with hydraulic cylinder 6, and the outer wall of the hydraulic cylinder 6 is provided with hydraulic control
Device 7, the top of the hydraulic cylinder 6 are equipped with board of education 8, and the outer wall of the board of education 8 sets the check board 9 that is magnetic, the religion
The top for learning plate 8 offers the first straight slot 10, and the inner cavity of first straight slot 10 is plugged with Y-axis bar 11, a left side for the board of education 8
Wall offers the second straight slot 12, and the inner cavity of second straight slot 12 is plugged with X-axis bar 13, and the outer wall of the Y-axis bar 11 is provided with
Metal fixed column 14, the Y-axis bar 11 are connect by metal fixed column 14 with X-axis bar 13, and the inner cavity of the X-axis bar 13 offers
Elongated slot 21, the inner cavity of the elongated slot 21 are provided with storage and receive slot 15, and the storage receives the top and bottom of slot 15 and is both provided with sliding block 16,
The inner wall of the sliding block 16 and elongated slot 21 to be slidably connected, receive the inner cavity of slot 15 and be uniformly provided with unit groove 17, described by the storage
The inner cavity of unit groove 17 is placed with SIN function teaching rope 18, and the outer wall of the SIN function teaching rope 18 is evenly arranged with metal
Fixed block 19, the storage receive the left wall of slot 15 and are provided with moving handle 20, and the left end of the moving handle 20 is through X-axis bar 13
Left end.
Wherein, the outer wall of the universal wheel 2 is provided with wheel and stops, for fixing universal wheel 2, the outer wall left side of the pedestal 1
Hinge shaft is set, and the bottom end of the pushing hands 3 is arranged on the outer wall of hinge shaft, and the angle of pushing hands 3 is adjusted, when needs are to the instructional device
When being moved, lift pushing hands 3, during stopping, putting down pushing hands, simple, conveniently, the inner cavity right wall of the board of education 8 and interior bottom of chamber
Portion is both provided with sliding slot, and the bottom end of the Y-axis bar 11 and the right end of X-axis bar 13 are both provided with the movable block to match with sliding slot,
It is moved in board of education 8 convenient for Y-axis bar 11 and X-axis bar 13.
Operation principle：The instructional device bottom sets universal wheel 2, easy to remove, increases portability, and wheel is set to stop and is used
In fixed universal wheel 2, teacher can push the device to be moved by pushing hands 3, and board of education 8 is connected by hydraulic cylinder 6 and pedestal 1
It connects, by controlling hydraulic controller 7 that can realize the flexible of board of education 8, ensure that the height residing for board of education 8, meet student's
Demand powers on electric rotating machine 4, board of education 8 is driven to be rotated by turntable 5, there is no dead angles, increase student's
Learning effect and learning efficiency, which sets moveable X-axis bar 13 and Y-axis bar 14, and passes through metal fixed column
14 are fixed, the magnetic check board 9 of 8 outer wall of board of education setting, and pass through metal fixed column 14 and fix X-axis with magnetic check board 9
Bar 13 and Y-axis bar 14 when then needing to be shown SIN function, according in the position of different coordinates, manually pass through hand
It holds moving handle 20 and adjusts storage and receive the position of slot 15, then according to requiring, teacher's rope 18 that can impart knowledge to students to SIN function be shown,
The metal fixed block 19 of SIN function teaching rope 18 outer walls setting attracts each other with magnetic check board 9, clearly can accurately make
Go out different types of SIN function image, accelerate the drafting speed of SIN function, sinusoidal letter can be intuitively shown to student
Number images, SIN function teaching rope 18 residing for unit groove 17 have it is multigroup, multigroup different SIN function figure can be drawn simultaneously
Picture can face the required different problems of teaching and be solved.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of mathematical sine Function Teaching device, including pedestal (1), it is characterised in that：The bottom four corners of the pedestal (1) are equal
Universal wheel (2) is provided with, the left wall of the pedestal (1) is provided with pushing hands (3), and the inner cavity of the pedestal (1) is provided with electric rotating
Machine (4) is provided with turntable (5) at the top of the pedestal (1), and the power output end of the electric rotating machine (4) is plugged on turntable (5)
Inner cavity, hydraulic cylinder (6) is installed at the top of the turntable (5), the outer wall of the hydraulic cylinder (6) is provided with hydraulic controller
(7), board of education (8) is installed, the outer wall of the board of education (8) sets the check board that is magnetic at the top of the hydraulic cylinder (6)
(9), the first straight slot (10) is offered at the top of the board of education (8), the inner cavity of first straight slot (10) is plugged with Y-axis bar
(11), the left wall of the board of education (8) offers the second straight slot (12), and the inner cavity of second straight slot (12) is plugged with X-axis bar
(13), the outer wall of the Y-axis bar (11) is provided with metal fixed column (14), and the Y-axis bar (11) passes through metal fixed column (14)
It is connect with X-axis bar (13), the inner cavity of the X-axis bar (13) offers elongated slot (21), and the inner cavity of the elongated slot (21) is provided with storage
Receive slot (15), the storage is received and is both provided with sliding block (16), the sliding block (16) and elongated slot (21) at the top and bottom of slot (15)
Inner wall to be slidably connected, receive the inner cavity of slot (15) and be uniformly provided with unit groove (17), the inner cavity of the unit groove (17) by the storage
SIN function teaching rope (18) is placed with, the outer wall of the SIN function teaching rope (18) is evenly arranged with metal fixed block
(19), the storage receives the left wall of slot (15) and is provided with moving handle (20), and the left end of the moving handle (20) runs through X-axis bar
(13) left end.
2. a kind of mathematical sine Function Teaching device according to claim 1, it is characterised in that：The universal wheel (2)
Outer wall is provided with wheel and stops.
3. a kind of mathematical sine Function Teaching device according to claim 1, it is characterised in that：Outside the pedestal (1)
Setting hinge shaft on the left of wall, the bottom end of the pushing hands (3) is arranged on the outer wall of hinge shaft.
4. a kind of mathematical sine Function Teaching device according to claim 1, it is characterised in that：The board of education (8)
Inner cavity right wall and intracavity bottom are both provided with sliding slot, the bottom end of the Y-axis bar (11) and the right end of X-axis bar (13) be both provided with
The movable block that sliding slot matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232416.1U CN207602087U (en) | 2017-09-25 | 2017-09-25 | A kind of mathematical sine Function Teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232416.1U CN207602087U (en) | 2017-09-25 | 2017-09-25 | A kind of mathematical sine Function Teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602087U true CN207602087U (en) | 2018-07-10 |
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ID=62756485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721232416.1U Expired - Fee Related CN207602087U (en) | 2017-09-25 | 2017-09-25 | A kind of mathematical sine Function Teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085102A (en) * | 2019-05-17 | 2019-08-02 | 安徽理工大学 | A kind of higher mathematics functional limit demonstration teaching aid |
-
2017
- 2017-09-25 CN CN201721232416.1U patent/CN207602087U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085102A (en) * | 2019-05-17 | 2019-08-02 | 安徽理工大学 | A kind of higher mathematics functional limit demonstration teaching aid |
| CN110085102B (en) * | 2019-05-17 | 2021-01-22 | 安徽理工大学 | High-class mathematical function limit demonstration teaching aid |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20190925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |