CN208789354U - A kind of educational statistics folding spline - Google Patents
A kind of educational statistics folding spline Download PDFInfo
- Publication number
- CN208789354U CN208789354U CN201820577169.7U CN201820577169U CN208789354U CN 208789354 U CN208789354 U CN 208789354U CN 201820577169 U CN201820577169 U CN 201820577169U CN 208789354 U CN208789354 U CN 208789354U
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- plate
- fixedly connected
- ruler
- semi
- magnet
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- 230000000452 restraining effect Effects 0.000 claims description 3
- 239000000837 restrainer Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000013507 mapping Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of educational statistics folding splines, including ruler plate, the ruler plate is equipped with length scale ruler, the ruler plate is equipped with semi-circular groove, semicircular plate corresponding with semi-circular groove is equipped in the semi-circular groove, the inner sidewall of the semi-circular groove is equipped with movement slots corresponding with semicircular plate, sliding block is fixedly connected on the semicircular plate, the inner sidewall of the movement slots is equipped with loose slot corresponding with sliding block, the loose slot inner sidewall is fixedly connected with curved rod, and the sliding block is slidably socketed in curved rod.Semicircular plate is unfolded by fixed block for the utility model, then fixed block is stablized by the cooperation of the first magnet and the second magnet, to carry out making to justify by semi-circular groove and semicircular plate, mounting plate is being stablized by position-limit mechanism, to by rotation movable plate convenient for according to central angle make each section shared by specific gravity, it is convenient for the mapping of teacher in this way, and then facilitates the teaching of teacher.
Description
Technical field
The utility model relates to educational statistics equipment technical field more particularly to a kind of educational statistics foldings
Spline.
Background technique
Statistics is the science about understanding objective phenomenon total number feature and quantitative relation.It is 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.Currently, by cake chart convenient for straight in statistical education
Percentage shared by the viewing each section connect, but there is no the tool mapped for cake chart in actual teaching process, it is unfavorable
The teaching of teacher Yu.
For this purpose, we devise a kind of educational statistics folding spline.
Utility model content
Purpose of the utility model is to solve currently without cake chart map aiming at the problem that, and propose a kind of religion
Educate statistics folding spline.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of educational statistics folding spline, including ruler plate, the ruler plate is equipped with length scale ruler, described
Ruler plate is equipped with semi-circular groove, is equipped with semicircular plate corresponding with semi-circular groove in the semi-circular groove, the semi-circular groove
Inner sidewall is equipped with movement slots corresponding with semicircular plate, is fixedly connected with sliding block on the semicircular plate, the movement slots it is interior
Side wall is equipped with loose slot corresponding with sliding block, and the loose slot inner sidewall is fixedly connected with curved rod, and the sliding block is slidably socketed
In curved rod, the semicircular plate is fixedly connected with fixed block far from one end of sliding block, on the ruler plate and semicircular plate
Equipped with angle index, it is rotatably connected to the mounting plate in " returning " type on the ruler plate, is rotatably connected to activity in the mounting plate
Plate, the ruler plate are connect by position-limit mechanism with mounting plate.
Preferably, the fixed block is fixedly connected with the first magnet, the side wall of the ruler plate far from the side of semicircular plate
On be fixedly connected with the second magnet corresponding with the first magnet.
Preferably, the fixed block is fixedly connected with third magnet, the side wall of the ruler plate close to the side of semicircular plate
On be fixedly connected with the 4th magnet corresponding with third magnet.
Preferably, it is fixedly connected with the first mounting blocks on the ruler plate, is fixedly connected with fixation on first mounting blocks
Axis, the mounting plate are equipped with turn trough corresponding with fixing axle, and fixing sleeve is connected to change in the fixing axle, the turn trough it is interior
Side wall is equipped with annular groove corresponding with change.
Preferably, connecting shaft is fixedly connected in the mounting plate, the vertical straight line where the axle center of the connecting shaft with
Vertical straight line where the axle center that semi-circular groove is formed with semicircular plate is identical, and the movable plate rotation is socketed in connecting shaft.
Preferably, the position-limit mechanism includes the second mounting blocks being fixedly connected on ruler plate, on second mounting blocks
It is threaded with threaded rod, one end of the threaded rod is fixedly connected with handle, and the threaded rod runs through far from one end of handle
Second mounting blocks, the mounting plate are equipped with limiting slot corresponding with threaded rod, are fixedly attached restraining position ring block on the threaded rod.
Semicircular plate is unfolded by fixed block for the utility model, then will by the cooperation of the first magnet and the second magnet
Fixed block is stablized, to carry out making to justify by semi-circular groove and semicircular plate, is being stablized mounting plate by position-limit mechanism,
To by rotation movable plate be convenient for according to central angle make each section shared by specific gravity, in this way convenient for teacher mapping, in turn
Facilitate the teaching of teacher.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of educational statistics folding spline structural schematic diagram；
Fig. 2 be the utility model proposes a kind of educational statistics folding spline positive structure schematic；
Fig. 3 be the utility model proposes a kind of educational statistics folding spline in mounting plates structure signal
Figure.
In figure: 1 ruler plate, 2 length scale rulers, 3 semicircular plates, 4 sliding blocks, 5 curved rods, 6 mounting plates, 7 movable plates, 8 limits
Mechanism, 81 second mounting blocks, 82 threaded rods, 83 handles, 84 stop collars, 9 fixed blocks, 10 first magnet, 11 second magnet, 12
Three magnet, 13 the 4th magnet, 14 first mounting blocks, 15 fixing axles, 16 connecting shafts.
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.1-3, a kind of educational statistics folding spline, including ruler plate 1, ruler plate 1 are carved equipped with length
Ruler 2 is spent, picture straight line is convenient for by length scale ruler 2, ruler plate 1 is equipped with semi-circular groove, is equipped in semi-circular groove and semi-circular groove
Corresponding semicircular plate 3, the inner sidewall of semi-circular groove are equipped with movement slots corresponding with semicircular plate 3, fixed company on semicircular plate 3
It is connected to sliding block 4, the inner sidewall of movement slots is equipped with loose slot corresponding with sliding block 4, and loose slot inner sidewall is fixedly connected with curved rod
5, sliding block 4 is slidably socketed in curved rod 5, and semicircular plate 3 is fixedly connected with fixed block 9, fixed block 9 far from one end of sliding block 4
Side far from semicircular plate 3 is fixedly connected with the first magnet 10, and it is right with the first magnet 10 to be fixedly connected on the side wall of ruler plate 1
The second magnet 11 answered, stabilization when guarantee semicircular plate 3 uses in this way, fixed block 9 is close to the fixed company in the side of semicircular plate 3
It is connected to third magnet 12, the 4th magnet 13 corresponding with third magnet 12 is fixedly connected on the side wall of ruler plate 1, guarantees half in this way
Stabilization of the circular slab 3 when placing.
Wherein, it is equipped with angle index on ruler plate 1 and semicircular plate 3, the installation in " returning " type is rotatably connected on ruler plate 1
Plate 6 is fixedly connected with the first mounting blocks 14 on ruler plate 1, is fixedly connected with fixing axle 15 on the first mounting blocks 14, on mounting plate 6
Equipped with turn trough corresponding with fixing axle 15, fixing sleeve is connected to change in fixing axle 15, and the inner sidewall of turn trough is equipped with corresponding with change
Annular groove, be easily installed the rotation of plate 6 in this way, movable plate 7 be rotatably connected in mounting plate 6, is fixedly connected in mounting plate 6
Connecting shaft 16, the axle center of connecting shaft 16 vertical straight line and the axle center that is formed of semi-circular groove and semicircular plate 3 it is vertical straight
Line is identical, and the angle of guarantee movable plate 7 in this way is accurate, and the rotation of movable plate 7 is socketed in connecting shaft 16, is convenient for movable plate 7 in this way
Rotation, and then mapped according to percentage convenient for teacher, ruler plate 1 is connect by position-limit mechanism 8 with mounting plate 6, position restrainer
Structure 8 includes the second mounting blocks 81 being fixedly connected on ruler plate 1, is threaded with threaded rod 82, screw thread on the second mounting blocks 81
One end of bar 82 is fixedly connected with handle 83, and the one end of threaded rod 82 far from handle 83 is on the second mounting blocks 81, mounting plate 6
Equipped with limiting slot corresponding with threaded rod 82, it is fixedly attached restraining position ring block 84 on threaded rod 82, guarantee mounting plate 6 in this way is using
When stability.
In the utility model, semicircular plate 3 is unfolded outward by movement fixed block 9, then passes through the first magnet 10
Fixed block 9 and ruler plate 1 are stablized in cooperation with the second magnet 11, are turned out at this time by mounting plate 6, logical convenient for teacher in this way
It crosses semi-circular groove and semicircular plate 3 draws circle, then go back to mounting plate 6 to come, to be carried out by position-limit mechanism 8 to mounting plate 6
Limit rotates threaded rod 82 by handle 83, so that threaded rod 82 be made to connect with limiting slot, so that mounting plate 6 be stablized, connect
Circle is split by rotation movable plate 7, i.e., drawn shared by each section by the cooperation of angle index and movable plate 7
Specific gravity, and then it is convenient for the teaching of teacher.
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 educational statistics folding spline, including ruler plate (1), which is characterized in that the ruler plate (1) is equipped with
Length scale ruler (2), the ruler plate (1) are equipped with semi-circular groove, corresponding with semi-circular groove half are equipped in the semi-circular groove
Circular slab (3), the inner sidewall of the semi-circular groove are equipped with movement slots corresponding with semicircular plate (3), on the semicircular plate (3)
It is fixedly connected with sliding block (4), the inner sidewall of the movement slots is equipped with loose slot corresponding with sliding block (4), the loose slot inside
Wall is fixedly connected with curved rod (5), and the sliding block (4) is slidably socketed on curved rod (5), and the semicircular plate (3) is far from sliding
One end of block (4) is fixedly connected with fixed block (9), is equipped with angle index on the ruler plate (1) and semicircular plate (3), described
It is rotatably connected to the mounting plate (6) in " returning " type on ruler plate (1), is rotatably connected to movable plate (7), institute in the mounting plate (6)
Ruler plate (1) is stated to connect by position-limit mechanism (8) with mounting plate (6).
2. a kind of educational statistics folding spline according to claim 1, which is characterized in that the fixed block
(9) side far from semicircular plate (3) is fixedly connected with the first magnet (10), is fixedly connected on the side wall of the ruler plate (1)
The second magnet (11) corresponding with the first magnet (10).
3. a kind of educational statistics folding spline according to claim 1, which is characterized in that the fixed block
(9) side close to semicircular plate (3) is fixedly connected with third magnet (12), is fixedly connected on the side wall of the ruler plate (1)
The 4th magnet (13) corresponding with third magnet (12).
4. a kind of educational statistics folding spline according to claim 1, which is characterized in that the ruler plate
(1) it is fixedly connected on the first mounting blocks (14), is fixedly connected with fixing axle (15), the peace on first mounting blocks (14)
Loading board (6) is equipped with turn trough corresponding with fixing axle (15), and fixing sleeve is connected to change on the fixing axle (15), the turn trough
Inner sidewall is equipped with annular groove corresponding with change.
5. a kind of educational statistics folding spline according to claim 1, which is characterized in that the mounting plate
(6) it is fixedly connected with connecting shaft (16) in, the vertical straight line where the axle center of the connecting shaft (16) and semi-circular groove and semicircle
Vertical straight line where the axle center that shape plate (3) is formed is identical, and movable plate (7) rotation is socketed on connecting shaft (16).
6. a kind of educational statistics folding spline according to claim 1, which is characterized in that the position restrainer
Structure (8) includes the second mounting blocks (81) being fixedly connected on ruler plate (1), is threaded with spiral shell on second mounting blocks (81)
One end of rasp bar (82), the threaded rod (82) is fixedly connected with handle (83), and the threaded rod (82) is far from handle (83)
The second mounting blocks (81) are run through in one end, and the mounting plate (6) is equipped with limiting slot corresponding with threaded rod (82), the threaded rod
(82) restraining position ring block (84) are fixedly attached on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820577169.7U CN208789354U (en) | 2018-04-23 | 2018-04-23 | A kind of educational statistics folding spline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820577169.7U CN208789354U (en) | 2018-04-23 | 2018-04-23 | A kind of educational statistics folding spline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208789354U true CN208789354U (en) | 2019-04-26 |
Family
ID=66199457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820577169.7U Expired - Fee Related CN208789354U (en) | 2018-04-23 | 2018-04-23 | A kind of educational statistics folding spline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208789354U (en) |
-
2018
- 2018-04-23 CN CN201820577169.7U patent/CN208789354U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200911 Address after: Room j3556, 1 / F, building 1, 1185 Huyi highway, Jiading District, Shanghai, 201800 Patentee after: Shanghai Zijian Network Technology Co., Ltd Address before: 310006 No. 778 Jianguo North Road, Xiacheng District, Hangzhou City, Zhejiang Province (Zhejiang Science and Education Supplies Co., Ltd.) Patentee before: Jin Xiaosi |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 Termination date: 20210423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |