CN209479288U - The dedicated drawing tool of statistics in a kind of teaching of Mathematics - Google Patents
The dedicated drawing tool of statistics in a kind of teaching of Mathematics Download PDFInfo
- Publication number
- CN209479288U CN209479288U CN201920156590.5U CN201920156590U CN209479288U CN 209479288 U CN209479288 U CN 209479288U CN 201920156590 U CN201920156590 U CN 201920156590U CN 209479288 U CN209479288 U CN 209479288U
- Authority
- CN
- China
- Prior art keywords
- ring body
- statistics
- drawing tool
- dedicated drawing
- annular groove
- 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.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses the dedicated drawing tools of statistics in a kind of teaching of Mathematics, including the first ring body and the second ring body, the bottom wall of first ring body is equipped with multiple magnet, second ring body is located at the upside of the first ring body, the inside of first ring body offers annular groove, spacing annular slab is rotatably connected in the annular groove, the bottom end of second ring body extends in annular groove and is fixedly mounted on the roof of spacing annular slab, fixing buckle there are two being symmetrically fixedly mounted on the inner sidewall of second ring body on the upside of the first ring body, it is fixedly installed with wirerope jointly between two fixing buckles.This programme can help illustrator easily to draw out pie chart by the setting of each structure, referring concurrently to setting graduated scale can the accuracy to pie chart accurately controlled, increase the precision of drawing, while having that structure is simple, operate convenient and efficient the characteristics of.
Description
Technical field
The utility model relates to the dedicated drawing of statistics in teaching aid technical field more particularly to a kind of teaching of Mathematics
Tool.
Background technique
Statistics be about understanding objective phenomenon total number feature and quantitative relation science, it be by collect, it is whole
Reason, analysis statistics recognize the methodology science of objective phenomenon quantitative law, since statistical quantitative study has visitor
It sees, accurate and verifiable feature, so statistical method just becomes the most important method of positive research, is widely used in certainly
So, the analysis and research of society, economic, scientific and technical every field.
It usually requires to draw some icons in statistics teaching, wherein just including the drafting of pie chart, borrow in the prior art
Compasses and ruler are helped to be drawn, such mode has complicated for operation, and function is simple, and it is unable to satisfy accurate draw and requires, because
This needs improves.
Utility model content
Purpose of the utility model is to solve the modes for draw by compasses and ruler pie chart in the prior art
With complicated for operation, function is simple, is unable to satisfy accurate the shortcomings that requiring of drawing, and unites in a kind of Mathematics teaching proposed
Meter learns dedicated drawing tool.
To achieve the goals above, the utility model adopts the technical scheme that
The dedicated drawing tool of statistics in a kind of teaching of Mathematics, including the first ring body and the second ring body, first ring
The bottom wall of body is equipped with multiple magnet, and second ring body is located at the upside of the first ring body, and the inside of first ring body opens up
There is annular groove, spacing annular slab is rotatably connected in the annular groove, the bottom end of second ring body extends in annular groove simultaneously
It is fixedly mounted on the roof of spacing annular slab, is symmetrically fixed on the inner sidewall of second ring body on the upside of the first ring body
Installation is fixedly installed with wirerope between two fixing buckles, positioned at the second ring body lateral wall there are two fixing buckle jointly
It is surround on the roof of first ring body and is labeled with graduated scale, on the lateral wall of second ring body on the upside of the first ring body
Pointer is installed, the inside of first ring body one end is equipped with rotating mechanism.
Preferably, the rotating mechanism includes bull stick, and one end of the bull stick extends to the outside of the first ring body and installation
There is knob, the bull stick is equipped with bevel gear far from one end of knob, is equipped with annular on the lateral wall of the spacing annular slab
Bevel gear, the bevel gear and annular bevel gear are intermeshed.
Preferably, limit plate is installed, the inside of first ring body offers and limit plate on the side wall of the bull stick
The internal clearance of the limiting slot to match, the side wall of the bull stick and the first ring body cooperates.
Preferably, anti-skid chequer is offered on the side wall of the knob.
Preferably, the graduated scale includes 72 graduation marks being equidistantly positioned, two quarters of arbitrary neighborhood
Spending line relative to the angle of the first ring body or the second ring body center of circle is 5 °.
Preferably, the sum of the magnet is 6, and each magnet is embedded on the bottom wall of the first ring body.
Compared with the prior art, the utility model has the beneficial effects that:
This programme can help illustrator easily to draw out pie chart by the setting of each structure, referring concurrently to the quarter of setting
Degree ruler can the accuracy to pie chart accurately controlled, increase the precision of drawing, while having that structure is simple, operation is convenient
Efficient feature.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Mathematics teaching in the dedicated drawing tool of statistics top surface structure signal
Figure；
Fig. 2 be the utility model proposes a kind of Mathematics teaching in the dedicated drawing tool of statistics bottom surface structure signal
Figure；
Fig. 3 be the utility model proposes a kind of Mathematics teaching in the dedicated drawing tool of statistics facade section view amplification
Figure；
Fig. 4 be the utility model proposes a kind of teaching of Mathematics in statistics dedicated drawing tool part A structure
Enlarged drawing；
Fig. 5 be the utility model proposes a kind of teaching of Mathematics in statistics dedicated drawing tool part B structure
Enlarged drawing.
In figure: 1 first ring body, 2 second ring bodies, 3 fixing buckles, 4 wirerope, 5 magnet, 6 pointers, 7 graduated scales, 8 stop collars
Shape plate, 9 bull sticks, 10 limit plates, 11 knobs, 12 bevel gears, 13 annular bevel gears.
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 " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-5, the dedicated drawing tool of statistics in a kind of Mathematics teaching, including the first ring body 1 and the second ring body
2, the bottom wall of the first ring body 1 is equipped with multiple magnet 5, and the sum of magnet 5 is 6, and each magnet 5 is embedded in the first ring body 1
Bottom wall on, magnet 5 can be adsorbed on blackboard.
Second ring body 2 is located at the upside of the first ring body 1, and the inside of the first ring body 1 offers annular groove, rotation in annular groove
It is connected with spacing annular slab 8, the bottom end of the second ring body 2 extends in annular groove and is fixedly mounted on the roof of spacing annular slab 8
On, symmetrically there are two fixing buckle 3, two fixing buckles for fixed installation on the inner sidewall of the second ring body 2 of 1 upside of the first ring body
Wirerope 4 is fixedly installed between 3 jointly, is surround on the roof of the first ring body 1 of 2 lateral wall of the second ring body and is labeled with quarter
Ruler 7 is spent, graduated scale 7 includes 72 graduation marks being equidistantly positioned, and two graduation marks of arbitrary neighborhood are relative to the first ring
The angle in 2 center of circle of body 1 or the second ring body is 5 °.
Pointer 6, the inside of 1 one end of the first ring body are installed on the lateral wall of the second ring body 2 of 1 upside of the first ring body
Equipped with rotating mechanism, rotating mechanism includes bull stick 9, and one end of bull stick 9 extends to the outside of the first ring body 1 and is equipped with knob
11, anti-skid chequer is offered on the side wall of knob 11, and bull stick 9 is equipped with bevel gear 12, spacing annular slab 8 far from one end of knob 11
Lateral wall on annular bevel gear 13 is installed, bevel gear 12 and annular bevel gear 13 are intermeshed.
Limit plate 10 is installed, the inside of the first ring body 1 offers the limit to match with limit plate 10 on the side wall of bull stick 9
The internal clearance of position slot, the side wall of bull stick 9 and the first ring body 1 cooperates.
In the utility model, in use, first ring body 1 and the second ring body 2 are placed on blackboard by magnet 5 first,
Then it is drawn lines using chalk or other drawing pens along wirerope 4, then turning knob 11 controls bull stick 9 and rotates, this
When drive spacing annular slab 8 and the first ring body 1 to rotate with engaging for annular bevel gear 13 by bevel gear 12, thus to pointer 6
Position be adjusted, pointer 6 is moved to suitable position referring to the graduation mark of graduated scale 7, then again along wirerope 4
It draws lines, repeats aforesaid operations.
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. the dedicated drawing tool of statistics in a kind of Mathematics teaching, including the first ring body (1) and the second ring body (2), feature
It is, the bottom wall of first ring body (1) is equipped with multiple magnet (5), and second ring body (2) is located at the first ring body (1)
The inside of upside, first ring body (1) offers annular groove, and spacing annular slab (8), institute are rotatably connected in the annular groove
The bottom end for stating the second ring body (2) extends in annular groove and is fixedly mounted on the roof of spacing annular slab (8), is located at the first ring
There are two being symmetrically fixedly mounted on the inner sidewall of second ring body (2) on the upside of body (1) fixing buckle (3), two fixations
It is fixedly installed with wirerope (4) jointly between button (3), is located at the roof of first ring body (1) of the second ring body (2) lateral wall
Upper surround is labeled with graduated scale (7), is located on the lateral wall of second ring body (2) on the upside of the first ring body (1) and is equipped with finger
The inside of needle (6), described first ring body (1) one end is equipped with rotating mechanism.
2. the dedicated drawing tool of statistics in a kind of Mathematics teaching according to claim 1, which is characterized in that described turn
Motivation structure includes bull stick (9), and one end of the bull stick (9) extends to the outside of the first ring body (1) and is equipped with knob (11), institute
It states bull stick (9) to be equipped with bevel gear (12) far from the one end of knob (11), be equipped on the lateral wall of the spacing annular slab (8)
Annular bevel gear (13), the bevel gear (12) and annular bevel gear (13) are intermeshed.
3. the dedicated drawing tool of statistics in a kind of Mathematics teaching according to claim 2, which is characterized in that described turn
It is equipped on the side wall of bar (9) limit plate (10), the inside of first ring body (1) is offered to match with limit plate (10)
Limiting slot, the side wall of the bull stick (9) and the internal clearance of the first ring body (1) cooperate.
4. the dedicated drawing tool of statistics in a kind of Mathematics teaching according to claim 2, which is characterized in that the rotation
Anti-skid chequer is offered on the side wall of button (11).
5. the dedicated drawing tool of statistics in a kind of Mathematics teaching according to claim 1, which is characterized in that the quarter
Spending ruler (7) includes 72 graduation marks being equidistantly positioned, and two graduation marks of arbitrary neighborhood are relative to the first ring body
(1) or the angle in the second ring body (2) center of circle is 5 °.
6. the dedicated drawing tool of statistics in a kind of Mathematics teaching according to claim 1, which is characterized in that the magnetic
The sum of iron (5) is 6, and each magnet (5) is embedded on the bottom wall of the first ring body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920156590.5U CN209479288U (en) | 2019-01-29 | 2019-01-29 | The dedicated drawing tool of statistics in a kind of teaching of Mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920156590.5U CN209479288U (en) | 2019-01-29 | 2019-01-29 | The dedicated drawing tool of statistics in a kind of teaching of Mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209479288U true CN209479288U (en) | 2019-10-11 |
Family
ID=68133002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920156590.5U Expired - Fee Related CN209479288U (en) | 2019-01-29 | 2019-01-29 | The dedicated drawing tool of statistics in a kind of teaching of Mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209479288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634736A (en) * | 2021-01-19 | 2021-04-09 | 南昌工程学院 | Practical demonstration teaching aid for mechanical principle classroom teaching |
-
2019
- 2019-01-29 CN CN201920156590.5U patent/CN209479288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112634736A (en) * | 2021-01-19 | 2021-04-09 | 南昌工程学院 | Practical demonstration teaching aid for mechanical principle classroom teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 554300 Kaihang Road 238, Chuandong Education Park, Bijiang District, Tongren City, Guizhou Province Patentee after: tongren university Address before: 554300 Residence of the People's Committee of Huaguoshan South Road, Bijiang District, Tongren City, Guizhou Province Patentee before: tongren university |
|
| 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: 20191011 Termination date: 20210129 |