CN109493692A - Digital operation teaching aid - Google Patents
Digital operation teaching aid Download PDFInfo
- Publication number
- CN109493692A CN109493692A CN201910065905.XA CN201910065905A CN109493692A CN 109493692 A CN109493692 A CN 109493692A CN 201910065905 A CN201910065905 A CN 201910065905A CN 109493692 A CN109493692 A CN 109493692A
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- Prior art keywords
- turntable
- digital
- bracket
- spring
- shaft
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
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- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The present invention relates to the technical fields of educational aid, digital operation teaching aid includes shaft, digital turntable and operation turntable, digital mark is provided on the annular outboard face of digital turntable, operation mark is provided on the annular outboard face of operation turntable, it is characterized in that, it further include bracket, positioning device and impeller, positioning device includes gear turntable, ball and spring, gear turntable is set in shaft and mutually fixes with digital turntable or operation turntable, ball is in contact with gear turntable, one end of spring is in contact with ball, the other end of spring is mutually fixed with bracket, wherein, bracket is U-bracket, positioning device further includes a shell, spring is set in shell, the other end of spring is fixed by shell and bracket.The present invention solves the problems, such as the orientation restriction and orientation adjusting more difficulty of digital turntable in the prior art and operation turntable, is suitble to use in the teaching and practice of digital operation.
Description
Technical field
The present invention relates to the technical field of educational aid more particularly to a kind of teaching aids for digital operation.
Background technique
License notification number is that application No. is Chinese patents 201721407486.6) to disclose by 207833732 U(of CN
A kind of digital operation teaching aid, it includes digital turntable, operation turntable, connecting rod；The number turntable and the operation turn
The structure of disk is three-dimensional circular structure, and the annular inboard of the number turntable and the operation turntable is provided with multiple first limits
Position portion, the annular outboard face of the number turntable are provided with multiple number marks, the annular outboard face setting of the operation turntable
There are multiple operations to identify, first limiting section and the number mark or operation mark correspond；The connecting rod
On be provided with multiple second limiting sections, the connecting rod passes through the annular inboard circle of the digital turntable and the operation turntable
Ring, so that the number turntable and the operation turntable are serially connected in side by side in the connecting rod, and second limiting section and institute
It states digital turntable or the operation turntable corresponds, second limiting section and first limiting section are mutually twisted, and are controlled
The rotation of the number turntable or the operation turntable；Wherein, the quantity for the digital turntable that the connecting rod concatenates is at least
Quantity for two, the operation turntable of concatenation is at least one.This kind of digital operation teaching aid has visual in image, user
Just with it is applied widely the features such as, but the orientation of its digital turntable and operation turntable limit and orientation adjust it is more difficult, therefore
Have to be optimized or improves.
Summary of the invention
The invention aims to provide a kind of new digital operation teaching aid, make corresponding digital turntable and operation turntable
Orientation limits and orientation adjusting is relatively easy to.
In order to reach above-mentioned purpose of the invention, the technical solution adopted by the present invention are as follows: a kind of digital operation teaching aid, it is wrapped
Include: shaft, at least two operation turntables at least three be set in shaft digital turntable and be set in shaft, number turn
The structure of disk and the structure of operation turntable are all three-dimensional circular structure, are provided with multiple numbers on the annular outboard face of digital turntable
Word mark, be provided on the annular outboard face of operation turntable at least one operation mark, which is characterized in that further include bracket,
Multiple positioning devices and multiple impellers, shaft are fixed on bracket, positioning device be used for digital turntable or operation turntable into
Row positioning, positioning device includes gear turntable, ball and spring, gear turntable be set in shaft and with digital turntable or operation
Turntable is mutually fixed, and ball is in contact with gear turntable, and one end of spring is in contact with ball, and the other end and bracket of spring are mutually solid
Fixed, impeller is used to that digital turntable or operation turntable to be pushed to rotate around the axis to change the orientation of digital turntable or operation turntable,
Impeller is fixed on the annular outboard face of digital turntable or operation turntable, and digital turntable, operation turntable and gear turntable all may be used
To rotate around the axis.
Compared to existing technology, since apparatus of the present invention are provided with impeller, manpower can be made conveniently by impeller
Apply the torque to rotate around the axis to digital turntable or operation turntable, to be easy to push digital turntable or operation turntable around the shaft
It rotates to change the orientation of digital turntable or operation turntable, the number mark being located on digital turntable may be implemented in the change in orientation
The change of knowledge or the change of the operation mark on operation turntable, to realize the nonidentity operation carried out between number；And due to
Apparatus of the present invention are provided with positioning device, so that being easy to be accurately positioned when digital turntable or operation disk operation, significantly improve
The stability and reliability of operation.
In general, it is each number turntable be arranged a corresponding positioning device, each operation turntable be also provided with one it is corresponding
Positioning device.
Preferably, the number of the positioning device be equal to the digital turntable number and the operation turntable number it
With.
Preferably, the operation turntable includes arithmetical operation turntable and comparison operation turntable, at least two operations
In turntable, at least one arithmetical operation turntable and a comparison operation turntable, the operation mark include that arithmetical operation identifies
It is identified with comparison operation, at least one arithmetical operation mark is provided on the annular outboard face of the arithmetical operation turntable,
At least one comparison operation mark is provided on the annular outboard face of the comparison operation turntable.
Preferably, arithmetical operation mark include+, one, ×, ÷ (i.e. plus subtracting, multiplication and division) these four marks, the ratio
Include compared with operation mark=,<,>, ≠ (be equal to, be less than, be greater than, be not equal to) these four marks.
Mutually the fixed other end for referring to spring and bracket directly fix the other end of the spring with bracket, or refer to
The other end of spring passes through other objects with bracket to be fixed indirectly.
The bracket can be U-bracket, can also be with other shapes of bracket.
Preferably, the bracket is U-bracket, and the positioning device further includes a shell, and the spring is set to described
In shell, the other end of the spring is fixed by the shell and the bracket.
The number mark generally includes 0,1,2,3,4,5,6,7,8,9 this ten marks.
Preferably, the cross section of the digital turntable and the cross section of the operation turntable be all with center hole location just
Polygon.It is highly preferred that the cross section of the number turntable and the cross section of the operation turntable are all with center hole location
Regualr decagon.
In a preferred embodiment, the annular that multiple number marks are evenly provided on the digital turntable is outer
On side, multiple operation marks are evenly provided on the annular outboard face of the operation turntable.
In another preferred embodiment, the cross section of the digital turntable and the cross section of the operation turntable are all
A number mark or the operation is arranged in regualr decagon with center hole location, the corresponding annular outboard face in each side
Mark.
Detailed description of the invention
Fig. 1 is the positive structure schematic of one embodiment of digital operation teaching aid of the invention.
Fig. 2 is the cross-sectional view of the digital turntable and the impeller being fixed on digital turntable in embodiment illustrated in fig. 1.
Fig. 3 is the cross-sectional view of the positioning device in embodiment illustrated in fig. 1.
Specific embodiment
Fig. 1 shows the positive structure schematic of one embodiment of digital operation teaching aid of the invention, and Fig. 2 is Fig. 1 institute
Show the cross-sectional view of the digital turntable in embodiment and the impeller being fixed on digital turntable, Fig. 3 is in embodiment illustrated in fig. 1
Positioning device cross-sectional view.It can be seen that, the digital operation teaching aid 100 of present embodiment includes from Fig. 1, Fig. 2 and Fig. 3
Bracket 5, the shaft 1 being fixed on bracket 5, four digital turntables 2 being set in shaft 1, two fortune being set in shaft 1
Calculate turntable 3,4, multiple impellers 7 and 6 positioning device 6.It will be apparent that the number of positioning device be equal to the number of digital turntable with
The sum of the number of operation turntable.
It can easily be seen that the structure of digital turntable is three-dimensional circular structure from Fig. 1 and Fig. 2, the cross section of digital turntable 2 is
Regualr decagon with center hole location 13, and the intersection on two adjacent sides is provided with impeller 7.In the present embodiment,
Ten impellers 7 are secured on each number turntable 2, such manpower readily accesses impeller 7 and applies a force to impeller 7,
To be easy the orientation for pushing 1 rotation around the shaft of digital turntable 2 to change digital turntable 2.In the present embodiment, in digital turntable
0,1,2,3,4,5,6,7,8,9 this ten number marks are equably provided on 2 annular outboard face.
The structure of the operation turntable 3,4 of the present embodiment is also three-dimensional circular structure, and the cross section of operation turntable is also tool
There is the regualr decagon of center hole location, and the intersection on two adjacent sides is provided with impeller 7.The operation turntable of the present embodiment
Including an arithmetical operation turntable 3 and a comparison operation turntable 4, arithmetical operation turntable 3 and comparison operation turntable 4 are much like,
The operation mark being only arranged on its annular outboard face is different.In the present embodiment, in the annular outboard of arithmetical operation turntable 3
Be provided on face+, one, ×, ÷ these four mark, be provided on the annular outboard face of comparison operation turntable 4=,<,>, ≠ this
Four kinds of marks.As needed, can be arranged on the annular outboard face of arithmetical operation turntable 3 or comparison operation turntable 4 multiple same
A kind of mark.
The bracket 5 of the present embodiment is a U-bracket, and the both ends of shaft 1 are fixed on bracket 5, in the present embodiment, each
Digital turntable 2 is corresponding with a positioning device, and each operation turntable 3,4 is also corresponding with one positioning device.The present embodiment
Positioning device 6 includes gear turntable 8, ball 9, spring 10 and shell 11, wherein gear turntable 8 is one with center hole location 12
Gear turntable, gear turntable 8 is arranged in shaft 1 and fixes with digital turntable 2 or operation turntable 3,4 phases, 10, spring
In in shell 11, ball 9 has part to be located in shell 11 and is in contact with gear turntable 8, and one end of spring 10 connects with ball 9
Touching, the other end and shell 11 of spring 10 are fixed, and shell 11 is fixed with 5 phase of bracket, i.e., the other end of spring 10 passes through shell 11
It is fixed with bracket 5.The digital turntable 2, operation turntable 3,4 and gear turntable 8 of the present embodiment can 1 rotations around the shaft.
In the present embodiment, since each digital turntable 2 or operation turntable 3,4 are corresponding with a positioning device, make in this way
Each digital turntable or when operation disk operation, are easy to be accurately positioned, be conducive to the stability for improving its operation and reliable
Property.
Below with reference to digital operation teaching aid shown in FIG. 1, practical operation or use are specifically described.For the ease of under
Four digital turntables 2 in Fig. 1 are named as the first digital turntable, the second digital turntable, third number by the narration in face from left to right
Word turntable, the 4th digital turntable.
Specifically, by taking the addition of units as an example, as shown in Figure 1, calculating formula is 2+7, operating procedure is as follows:
Step 1: rotation turntable
By human contact be located at the impeller 7 on corresponding turntable distinguish on rotating shaft 1 such as lower rotary table: the first digital turntable
" 2 ", 3 "+" of arithmetical operation turntable, the second digital turntable " 7 ", comparison operation turntable 4 "=", make each turntable rotation number or
Oeprator and sign correspond.
Step 2: calculated result
9 are obtained according to formula 2+7 mental arithmetic is calculated, and are located at the impeller 7 on corresponding turntable accordingly by human contact and are turned respectively
Dynamic third number turntable " 0 ", the 4th digital turntable " 9 ", the number for rotating the two turntables are corresponding with sign.
Above-mentioned step 1 and step 2 are repeated, the addition subtraction multiplication and division operation of units can be repeated.
Above with reference to Detailed description of the invention a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments.
It is clear that those skilled in the art can carry out various changes and improvement, limited without departing from by the appended claims
Fixed the scope of the present invention.
Claims (6)
1. a kind of digital operation teaching aid, it includes: shaft, the digital turntable of at least three be set in the shaft and is set to
At least two operation turntables in the shaft, the structure of the number turntable and the structure of the operation turntable are all three-dimensional ring
Shape structure is provided with multiple number marks on the annular outboard face of the digital turntable, outer in the annular of the operation turntable
At least one operation mark is provided on side, which is characterized in that it further include bracket, multiple positioning devices and multiple impellers,
The shaft is fixed on the bracket, and the positioning device is used to determine the digital turntable or the operation turntable
Position, the positioning device include gear turntable, ball and spring, the gear turntable be set in the shaft and with the number
Word turntable or the operation turntable are mutually fixed, and the ball is in contact with the gear turntable, one end of the spring with it is described
Ball is in contact, and the other end of the spring is mutually fixed with the bracket, the impeller for push the digital turntable or
The operation turntable is rotated around the shaft to change the orientation of the digital turntable or the operation turntable, and the impeller is solid
Due on the annular outboard face of the digital turntable or the operation turntable, the number turntable, the operation turntable and described
Gear turntable can be rotated around the shaft, wherein the number of the positioning device be equal to the number of the digital turntable with
The sum of the number of the operation turntable, the bracket are U-bracket, and the positioning device further includes a shell, and the spring is set
It is placed in the shell, the other end of the spring is fixed by the shell and the bracket.
2. digital operation teaching aid according to claim 1, which is characterized in that it is described number mark include 0,1,2,3,4,5,
6、7、8、9。
3. digital operation teaching aid according to claim 1, which is characterized in that the cross section of the number turntable and the fortune
The cross section for calculating turntable is all the regular polygon with center hole location.
4. digital operation teaching aid according to claim 1, which is characterized in that the cross section of the number turntable and the fortune
The cross section for calculating turntable is all the regualr decagon with center hole location.
5. digital operation teaching aid according to claim 1, which is characterized in that multiple number marks are evenly provided on
On the annular outboard face of the number turntable, multiple operation marks are evenly provided on the annular outboard of the operation turntable
On face.
6. digital operation teaching aid according to claim 1, which is characterized in that the cross section of the number turntable and the fortune
The cross section for calculating turntable is all the regualr decagon with center hole location, and the corresponding annular outboard face in each side is arranged described in one
Number mark or operation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065905.XA CN109493692A (en) | 2019-01-24 | 2019-01-24 | Digital operation teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065905.XA CN109493692A (en) | 2019-01-24 | 2019-01-24 | Digital operation teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109493692A true CN109493692A (en) | 2019-03-19 |
Family
ID=65714817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910065905.XA Withdrawn CN109493692A (en) | 2019-01-24 | 2019-01-24 | Digital operation teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109493692A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145615A (en) * | 2020-02-07 | 2020-05-12 | 王中亚 | Multifunctional arithmetic teaching aid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202331946U (en) * | 2011-11-30 | 2012-07-11 | 东北石油大学 | Mnemonic turntable for English works |
| CN204360590U (en) * | 2015-01-15 | 2015-05-27 | 张象成 | Novel English tense teaching rotating disc |
| CN206400788U (en) * | 2016-09-26 | 2017-08-11 | 付宝明 | Teaching apparatus for mathematics |
| CN207115780U (en) * | 2017-05-10 | 2018-03-16 | 林伟蒸 | A kind of teaching apparatus for mathematics |
| CN207833732U (en) * | 2017-10-27 | 2018-09-07 | 北京世纪好未来教育科技有限公司 | Digital operation teaching aid |
-
2019
- 2019-01-24 CN CN201910065905.XA patent/CN109493692A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202331946U (en) * | 2011-11-30 | 2012-07-11 | 东北石油大学 | Mnemonic turntable for English works |
| CN204360590U (en) * | 2015-01-15 | 2015-05-27 | 张象成 | Novel English tense teaching rotating disc |
| CN206400788U (en) * | 2016-09-26 | 2017-08-11 | 付宝明 | Teaching apparatus for mathematics |
| CN207115780U (en) * | 2017-05-10 | 2018-03-16 | 林伟蒸 | A kind of teaching apparatus for mathematics |
| CN207833732U (en) * | 2017-10-27 | 2018-09-07 | 北京世纪好未来教育科技有限公司 | Digital operation teaching aid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145615A (en) * | 2020-02-07 | 2020-05-12 | 王中亚 | Multifunctional arithmetic teaching aid |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190319 |