CN208271433U - A kind of mathematic graph demonstration device - Google Patents
A kind of mathematic graph demonstration device Download PDFInfo
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- CN208271433U CN208271433U CN201721637811.8U CN201721637811U CN208271433U CN 208271433 U CN208271433 U CN 208271433U CN 201721637811 U CN201721637811 U CN 201721637811U CN 208271433 U CN208271433 U CN 208271433U
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Abstract
A kind of mathematic graph demonstration device, belong to art of mathematics, including X-axis plate, Y-axis plate, Z axis plate and demonstration line, the X-axis plate and Z axis plate is vertically arranged, the X-axis plate and Z axis plate is arranged in a mutually vertical manner, the X-axis plate and Z axis plate is in " ten " font in the horizontal direction, the Y-axis plate is horizontally disposed, the Y-axis plate passes through the middle part of X-axis plate and the middle part of Z axis plate, the X-axis plate, Y-axis plate and Z axis plate are mutually permanently connected, the both ends of the demonstration line are respectively fixedly connected on a drum, magnet is fixedly mounted in the rear portion of the drum, the X-axis plate, Y-axis plate and Z axis plate are metal material, the magnet can be by magneticaction fixed placement on X-axis plate or Y-axis plate or Z axis plate.The utility model can demonstrate the solution approach for establishing rectangular coordinate system in space by three-dimensional structure, grasp convenient for that also student can be facilitated to understand by solid demonstration while teachers ' teaching with deep.
Description
Technical field
The utility model belongs to art of mathematics, specifically a kind of mathematic graph demonstration device.
Background technique
Mathematics is mostly important one of subject in teaching of senior high school at present, and high school mathematics are broadly divided into algebraical sum geometry two
Big subject, and the solid geometry in geometry is the place of more find it difficult to learn habit and the understanding in high school mathematics, and solid geometry
Common problem mode is to establish rectangular coordinate system in space, but teacher is in explanation with establishing rectangular coordinate system in space in reality teaching
Topic of the method to parse solid geometry when can only write on the blackboard explanation, but pass through writing on the blackboard in the plane of blackboard
Mode is more abstract to embody rectangular coordinate system in space, and teachers ' teaching is more hard, and student is also not easy to understand.
Utility model content
The utility model provides a kind of mathematic graph demonstration device, to solve defect in the prior art.
The utility model is achieved by the following technical programs:
A kind of mathematic graph demonstration device, including X-axis plate, Y-axis plate, Z axis plate and demonstration line, the X-axis plate and Z axis plate
It is vertically arranged, the X-axis plate and Z axis plate are arranged in a mutually vertical manner, and the X-axis plate and Z axis plate are in " ten " word in the horizontal direction
Shape, the Y-axis plate is horizontally disposed, and the Y-axis plate passes through the middle part of X-axis plate and the middle part of Z axis plate, the X-axis plate, Y
Axillare and Z axis plate are mutually permanently connected, and the both ends of the demonstration line are respectively fixedly connected on a drum, the line
Magnet is fixedly mounted in the rear portion of disk, and the X-axis plate, Y-axis plate and Z axis plate are metal material, and the magnet can pass through
Magneticaction fixed placement is on X-axis plate or Y-axis plate or Z axis plate.
The center of a kind of mathematic graph demonstration device as described above, three plates of the X-axis plate, Y-axis plate and Z axis plate connects
Meeting place is coordinate axis origin, and the X-axis plate, Y-axis plate and Z axis plate can constitute rectangular coordinate system in space, the X-axis plate, Y
Graduation mark is set on axillare and Z axis plate.
Bottom plate, the X is arranged in the bottom of a kind of mathematic graph demonstration device as described above, the X-axis plate and Z axis plate
Vertical shaft is arranged in the bottom junctions of axillare and Z axis plate, and bearing, the shaft are arranged between the shaft and bottom plate
Lower part be fixedly connected with the inner ring of bearing, the outer ring of the bearing is fixedly connected with bottom plate.
A kind of mathematic graph demonstration device as described above, the demonstration line have multiple groups, and the demonstration line is multi-color cord,
The color that line is demonstrated described in each group is not identical.
A kind of mathematic graph demonstration device as described above, the drum are winding roll capable of automatic winding.
The utility model has the advantages that: the utility model can establish rectangular coordinate system in space by three-dimensional structure to demonstrate
Solution approach, convenient for can also facilitate student to understand while teachers ' teaching by solid demonstration and deep grasp.This is practical new
Type replaces the known line segment not on the whole provided in topic by demonstration line when in use, and the drum at demonstration line both ends passes through
Magnet is capable of fixing on X-axis plate or Y-axis plate or Z axis plate, is demonstrated in this way convenient for teacher, and is located at X-axis plate or Y-axis plate or Z axis plate
On known line segment directly wiped after the completion of drawing and solving a problem on X-axis plate or Y-axis plate or Z axis plate, without demonstration line, side
Just it operates, can be solved a problem step by the rectangular coordinate system in space that X-axis plate, Y-axis plate and Z axis plate are established come three-dimensional embodiment in this way
Suddenly, explained convenient for teacher, student also can deep understanding solve a problem thinking, the student that gives financial aid to students study.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the main view schematic diagram of the utility model；
Fig. 2 is the vertical view figure structure schematic representation of the utility model；
Fig. 3 is the left view figure structure schematic representation of the utility model；
Fig. 4 is the partial enlarged view in the portion I of Fig. 1；
Fig. 5 is the partial enlarged view in the portion II of Fig. 1.
Appended drawing reference: 1X axillare 2Y axillare 3Z axillare 4 demonstrates 5 drum of line, 6 magnet, 7 graduation mark, 8 bottom plate, 9 shaft
10 bearings.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
A kind of mathematic graph demonstration device, including X-axis plate 1, Y-axis plate 2, Z axis plate 3 and demonstration line 4,1 He of X-axis plate
Z axis plate 3 is vertically arranged, and the X-axis plate 1 and Z axis plate 3 are arranged in a mutually vertical manner, and the X-axis plate 1 and Z axis plate 3 are in level side
To being in " ten " font, the Y-axis plate 2 is horizontally disposed, and the Y-axis plate 2 passes through the middle part of X-axis plate 1 and the middle part of Z axis plate 3,
X-axis plate 1, Y-axis plate 2 and the Z axis plate 3 is mutually permanently connected, and the both ends of the demonstration line 4 are respectively fixedly connected with one
On a drum 5, magnet 6 is fixedly mounted in the rear portion of the drum 5, and the X-axis plate 1, Y-axis plate 2 and Z axis plate 3 are metal
Material, the magnet 6 can be by magneticaction fixed placements on X-axis plate 1 or Y-axis plate 2 or Z axis plate 3.The utility model
The known line segment not on the whole provided in topic is replaced by demonstration line 4 when in use, the drum at demonstration 4 both ends of line passes through
Magnet 6 is capable of fixing on X-axis plate 1 or Y-axis plate 2 or Z axis plate 3, is demonstrated in this way convenient for teacher, and be located at X-axis plate 1 or Y-axis plate 2 or
Known line segment on Z axis plate 3 is directly being wiped after the completion of drawing and solving a problem on X-axis plate 1 or Y-axis plate 2 or Z axis plate 3, without
Line 4 is demonstrated, facilitates operation, can be stood in this way by the rectangular coordinate system in space that X-axis plate 1, Y-axis plate 2 and Z axis plate 3 are established
The embodiment solution approach of body is explained convenient for teacher, student also can deep understanding solve a problem thinking, the student that gives financial aid to students study.
Specifically, operation is relatively complicated, due to determining that the endpoint of known line segment is needed by repeatedly measuring in order to overcome
The above problem, the center junction of three plates of X-axis plate 1, Y-axis plate 2 and Z axis plate 3 described in the present embodiment are coordinate axis origin,
X-axis plate 1, Y-axis plate 2 and the Z axis plate 3 can constitute rectangular coordinate system in space, the X-axis plate 1, Y-axis plate 2 and Z axis
Graduation mark 7 is set on plate 3.The endpoint that known line segment can be easily confirmed by graduation mark 7, can easily construct known line segment,
Teacher is facilitated to use.
Specifically, some students cannot see the course of solving questions of teacher clearly due to line-of-sight problems since classroom is larger, in order to gram
The above problem is taken, bottom plate 8 is arranged in the bottom of X-axis plate 1 and Z axis plate 3 described in the present embodiment, the X-axis plate 1 and Z axis plate 3
Vertical shaft 9 is arranged in bottom junctions, and bearing 10, the lower part of the shaft 9 are arranged between the shaft 9 and bottom plate 8
It is fixedly connected with the inner ring of bearing 10, the outer ring of the bearing 10 is fixedly connected with bottom plate 8.It can be excessively convenient and fast by shaft 9
The utility model is rotated, the solution approach of teacher is seen clearly convenient for student used, teachers ' teaching is facilitated to use.
Further, it due to there is a plurality of known line segment sometimes, is not easy to differentiate, in order to overcome the above problem, the present embodiment
The demonstration line 4 has multiple groups, and the demonstration line 4 is multi-color cord, and the color of demonstration line 4 described in each group is not identical.Pass through
The demonstration lines 4 of different colours represents different known line segments, and different known line segments is differentiated convenient for Faculty and Students.
Further, pass through after the completion of use to withdraw on drum 5 to operate by demonstration line 4 manually and be more troublesome, in order to gram
The above problem is taken, drum 5 described in the present embodiment is winding roll capable of automatic winding.Demonstration line can be packed up automatically by winding roll capable of automatic winding
4, facilitate teacher to use.
Embodiment
A kind of mathematic graph demonstration device, including X-axis plate 1, Y-axis plate 2, Z axis plate 3 and demonstration line 4,1 He of X-axis plate
Z axis plate 3 is vertically arranged, and the X-axis plate 1 and Z axis plate 3 are arranged in a mutually vertical manner, and the X-axis plate 1 and Z axis plate 3 are in level side
To being in " ten " font, the Y-axis plate 2 is horizontally disposed, and the Y-axis plate 2 passes through the middle part of X-axis plate 1 and the middle part of Z axis plate 3,
X-axis plate 1, Y-axis plate 2 and the Z axis plate 3 is mutually permanently connected, three plates of the X-axis plate 1, Y-axis plate 2 and Z axis plate 3
Center junction be coordinate axis origin, the X-axis plate 1, Y-axis plate 2 and Z axis plate 3 can constitute rectangular coordinate system in space, institute
Bottom plate 8 is arranged in the bottom of setting graduation mark 7 on X-axis plate 1, Y-axis plate 2 and the Z axis plate 3 stated, the X-axis plate 1 and Z axis plate 3,
Vertical shaft 9 is arranged in the bottom junctions of the X-axis plate 1 and Z axis plate 3, and axis is arranged between the shaft 9 and bottom plate 8
10 are held, the lower part of the shaft 9 is fixedly connected with the inner ring of bearing 10, the outer ring of the bearing 10 and the fixed company of bottom plate 8
It connects, the demonstration line 4 has multiple groups, and the demonstration line 4 is multi-color cord, and the color of demonstration line 4 described in each group is not identical, institute
The both ends for the demonstration line 4 stated are respectively fixedly connected on a drum 5, and the drum 5 is line described in winding roll capable of automatic winding
Magnet 6 is fixedly mounted in the rear portion of disk 5, and the X-axis plate 1, Y-axis plate 2 and Z axis plate 3 are metal material, 6 energy of magnet
Enough through magneticaction fixed placement on X-axis plate 1 or Y-axis plate 2 or Z axis plate 3.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (5)
1. a kind of mathematic graph demonstration device, it is characterised in that: including X-axis plate (1), Y-axis plate (2), Z axis plate (3) and demonstration line
(4), the X-axis plate (1) and Z axis plate (3) are vertically arranged, and the X-axis plate (1) and Z axis plate (3) are arranged in a mutually vertical manner, institute
The X-axis plate (1) stated and Z axis plate (3) are in the horizontal direction in " ten " font, and the Y-axis plate (2) is horizontally disposed, the Y-axis plate
(2) across the middle part of X-axis plate (1) and the middle part of Z axis plate (3), the X-axis plate (1), Y-axis plate (2) and Z axis plate (3) are mutual
It is fixedly connected, the both ends of the demonstration line (4) are respectively fixedly connected on a drum (5), the rear portion of the drum (5)
It is fixedly mounted magnet (6), the X-axis plate (1), Y-axis plate (2) and Z axis plate (3) are metal material, the magnet (6) energy
Enough through magneticaction fixed placement on X-axis plate (1) or Y-axis plate (2) or Z axis plate (3).
2. a kind of mathematic graph demonstration device according to claim 1, it is characterised in that: the X-axis plate (1), Y-axis plate
(2) and the center junction of three plates of Z axis plate (3) is coordinate axis origin, the X-axis plate (1), Y-axis plate (2) and Z axis
Plate (3) can constitute rectangular coordinate system in space, and graduation mark (7) are arranged on the X-axis plate (1), Y-axis plate (2) and Z axis plate (3).
3. a kind of mathematic graph demonstration device according to claim 1, it is characterised in that: the X-axis plate (1) and Z axis plate
(3) bottom plate (8) are arranged in bottom, and vertical shaft (9), institute is arranged in the bottom junctions of the X-axis plate (1) and Z axis plate (3)
Bearing (10) are set between the shaft (9) stated and bottom plate (8), the lower part of the shaft (9) and the inner ring of bearing (10) are fixed
Connection, the outer ring of the bearing (10) is fixedly connected with bottom plate (8).
4. a kind of mathematic graph demonstration device according to claim 1, it is characterised in that: the demonstration line (4) has multiple groups,
The demonstration line (4) is multi-color cord, and the color of demonstration line (4) described in each group is not identical.
5. a kind of mathematic graph demonstration device according to claim 1, it is characterised in that: the drum (5) is automatic receives
Winding roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721637811.8U CN208271433U (en) | 2017-11-29 | 2017-11-29 | A kind of mathematic graph demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721637811.8U CN208271433U (en) | 2017-11-29 | 2017-11-29 | A kind of mathematic graph demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208271433U true CN208271433U (en) | 2018-12-21 |
Family
ID=64672488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721637811.8U Expired - Fee Related CN208271433U (en) | 2017-11-29 | 2017-11-29 | A kind of mathematic graph demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208271433U (en) |
-
2017
- 2017-11-29 CN CN201721637811.8U patent/CN208271433U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20191129 |