CN207901968U - A kind of mathematics teaching aid - Google Patents
A kind of mathematics teaching aid Download PDFInfo
- Publication number
- CN207901968U CN207901968U CN201721758500.7U CN201721758500U CN207901968U CN 207901968 U CN207901968 U CN 207901968U CN 201721758500 U CN201721758500 U CN 201721758500U CN 207901968 U CN207901968 U CN 207901968U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- circular plate
- sleeve
- adapter sleeve
- far
- 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
Links
Landscapes
- Toys (AREA)
Abstract
The utility model is related to mathematics teaching aid technical fields, especially a kind of mathematics teaching aid, including adapter sleeve, the top of adapter sleeve is fixedly connected with handle, the inside of adapter sleeve is connected separately with support column and column spinner, the one end of support column far from adapter sleeve is rotatably connected to moving block, the second Circular Plate is connected on moving block, the first Circular Plate is connected on the outside of second Circular Plate, chamber is equipped between second Circular Plate and the first Circular Plate, steel ball is equipped in chamber, supporting rod there are three being fixedly connected in first Circular Plate, the each one end of supporting rod far from the first Circular Plate has been fixedly connected with supporting block, the one end of column spinner far from adapter sleeve is fixedly connected with connector sleeve, side of the connector sleeve far from column spinner is fixedly connected with link block, side of the link block far from connector sleeve is fixedly connected with chalk clamp device.The utility model picture is just more convenient, simple in structure, has a vast market foreground, is worthy to be popularized.
Description
Technical field
The utility model is related to mathematics teaching aid technical field more particularly to a kind of mathematics teaching aids.
Background technology
Currently, during mathematical education, the mode of teaching aid mapping abstract to some, indigestibility, difficulty are often used
Remember mathematics examination question carry out chart teaching, with intuitive way help student understand and memory, circle tool be usually use, but
It is that traditional circle tool support leg is more sharp, the bad fixation on blackboard is easy to happen offset during picture, makes
Picture difficulty increases.
Utility model content
Purpose of the utility model is to solve the disadvantages that bad fixation on blackboard exists in the prior art, and propose
A kind of mathematics teaching aid.
To achieve the goals above, the utility model uses following technical solution：
The top of a kind of mathematics teaching aid, including adapter sleeve, the adapter sleeve is fixedly connected with handle, the adapter sleeve
Inside is connected separately with support column and column spinner, and first gear is fixedly connected on the support column, and the support column is equipped with
First clamping screw, first clamping screw sequentially pass through the adapter sleeve and the support column, and the column spinner, which is fixed, to be connected
It is connected to second gear, the column spinner is equipped with the second clamping screw, and second clamping screw sequentially passes through the adapter sleeve
With the column spinner, the one end of the support column far from the adapter sleeve is rotatably connected to moving block, is fixed on the moving block
It is connected with the second Circular Plate, the first Circular Plate, second Circular Plate and described are connected on the outside of second Circular Plate
It is equipped with chamber between one Circular Plate, steel ball is equipped in the chamber, is fixedly connected in first Circular Plate there are three supporting rod,
The each one end of the supporting rod far from first Circular Plate has been fixedly connected with supporting block, and the column spinner is far from described tight
Admittedly the one end covered is fixedly connected with connector sleeve, side of the connector sleeve far from the column spinner is fixedly connected with link block, institute
It states side of the link block far from the connector sleeve and is fixedly connected with chalk clamp device.
Preferably, the chalk clamp device includes chalk sleeve, and the chalk sleeve is fixed on the link block, institute
It states chalk sleeve and is equipped with fastening bolt, one end of the fastening bolt is fixedly connected with fastening plates, and the fastening plates are located at described
The inside of chalk sleeve.
Preferably, the mode that is connected between the connector sleeve and the column spinner is socket.
The utility model proposes a kind of mathematics teaching aid, advantageous effect is：The utility model passes through on the support columns
Rotary fixing device is installed, ensure that while fixed support column, and support column can be allowed to rotate, support column is not just when drawing
It can shift, draw just more convenient, be also more prone to.
Description of the drawings
Fig. 1 be the utility model proposes a kind of mathematics teaching aid schematic cross-sectional view；
Fig. 2 is the partial enlarged view at A1 on the utility model Fig. 1；
Fig. 3 is the partial enlarged view at B1 on the utility model Fig. 1.
In figure：Supporting block 1, supporting rod 2, the first Circular Plate 3, chamber 4, steel ball 5, the second Circular Plate 6, support column 7, first
Clamping screw 8, first gear 9, adapter sleeve 10, handle 11, second gear 12, the second clamping screw 13, column spinner 14, fastening spiral shell
Bolt 15, chalk sleeve 16, fastening plates 17, link block 18, connector sleeve 19, moving block 20.
Specific implementation mode
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.
Referring to Fig.1-3, the top of a kind of mathematics teaching aid, including adapter sleeve 10, adapter sleeve 10 is fixedly connected with handle 11,
The inside of adapter sleeve 10 is connected separately with support column 7 and column spinner 14, and first gear 9, support column are fixedly connected on support column 7
7 are equipped with the first clamping screw 8, and the first clamping screw 8 sequentially passes through adapter sleeve 10 and support column 7, and column spinner 14 is fixedly connected
There are second gear 12, column spinner 14 to be equipped with the second clamping screw 13, the second clamping screw 13 sequentially passes through adapter sleeve 10 and rotation
Rotary column 14, the one end of support column 7 far from adapter sleeve 10 are rotatably connected to moving block 20.
The second Circular Plate 6 is fixedly connected on support column 7, the outside of the second Circular Plate 6 is connected with the first Circular Plate 3, the
Chamber 4 is equipped between two Circular Plates 6 and the first Circular Plate 3, chamber 4 is used for placing steel ball 5, steel ball 5, steel ball 5 are equipped in chamber 4
The first Circular Plate 3 is allowed to be slided with respect to the second Circular Plate 6 so that support column 7 has rotating function, consolidates in the first Circular Plate 3
There are three supporting rod 2, supporting rod 2 not only plays the role of connecting supporting block 1, but also plays the role of support, each to support for fixed connection
The one end of bar 2 far from the first Circular Plate 3 has been fixedly connected with supporting block 1, and supporting block 1 is played a supporting role, and column spinner 14 is separate
One end of adapter sleeve 10 is socketed with connector sleeve 19, and connector sleeve 19 is used for connecting link block 18.
Side of the connector sleeve 19 far from column spinner 14 is fixedly connected with link block 18, and link block 18 is used for connecting chalk fastening
Device, side of the link block 18 far from connector sleeve 19 are fixedly connected with chalk clamp device, and chalk clamp device includes chalk sleeve
16, chalk sleeve 16 is fixed on link block 18, and chalk sleeve 16 is equipped with fastening bolt 15, and fastening bolt 15 is used for fastening powder
Pen so that chalk is not fallen out, and one end of fastening bolt 15 is fixedly connected with fastening plates 17, and fastening plates 17 are in fastening bolt 15
Effect is lower to clamp chalk so that chalk will not be fallen, and fastening plates 17 are located at the inside of chalk sleeve 16.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
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 (3)
1. a kind of mathematics teaching aid, including adapter sleeve（10）, the adapter sleeve（10）Top be fixedly connected with handle（11）, institute
State adapter sleeve（10）Inside be connected separately with support column（7）And column spinner（14）, the support column（7）On be fixedly connected with
One gear（9）, the support column（7）It is equipped with the first clamping screw（8）, first clamping screw（8）It sequentially passes through described
Adapter sleeve（10）With the support column（7）, the column spinner（14）It is fixedly connected with second gear（12）, the column spinner（14）
It is equipped with the second clamping screw（13）, second clamping screw（13）Sequentially pass through the adapter sleeve（10）With the column spinner
（14）, which is characterized in that the support column（7）Far from the adapter sleeve（10）One end be rotatably connected to moving block（20）, institute
State moving block（20）On be fixedly connected with the second Circular Plate（6）, second Circular Plate（6）Outside be connected with the first Circular Plate
（3）, second Circular Plate（6）With first Circular Plate（3）Between be equipped with chamber（4）, the chamber（4）It is interior to be equipped with steel ball
（5）, first Circular Plate（3）On be fixedly connected there are three supporting rod（2）, each supporting rod（2）Far from described first
Circular Plate（3）One end be fixedly connected with supporting block（1）, the column spinner（14）Far from the adapter sleeve（10）One end it is solid
Surely it is connected with connector sleeve（19）, the connector sleeve（19）Far from the column spinner（14）Side be fixedly connected with link block
（18）, the link block（18）Far from the connector sleeve（19）Side be fixedly connected with chalk clamp device.
2. a kind of mathematics teaching aid according to claim 1, which is characterized in that the chalk clamp device includes chalk sleeve
（16）, the chalk sleeve（16）It is fixed at the link block（18）On, the chalk sleeve（16）It is equipped with fastening bolt
（15）, the fastening bolt（15）One end be fixedly connected with fastening plates（17）, the fastening plates（17）Positioned at the chalk sleeve
（16）Inside.
3. a kind of mathematics teaching aid according to claim 1, which is characterized in that the connector sleeve（19）With the column spinner
（14）Between be connected with mode be socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721758500.7U CN207901968U (en) | 2017-12-16 | 2017-12-16 | A kind of mathematics teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721758500.7U CN207901968U (en) | 2017-12-16 | 2017-12-16 | A kind of mathematics teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207901968U true CN207901968U (en) | 2018-09-25 |
Family
ID=63567725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721758500.7U Expired - Fee Related CN207901968U (en) | 2017-12-16 | 2017-12-16 | A kind of mathematics teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207901968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889360A (en) * | 2022-05-25 | 2022-08-12 | 宁波海雯文具有限公司 | Compasses |
-
2017
- 2017-12-16 CN CN201721758500.7U patent/CN207901968U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889360A (en) * | 2022-05-25 | 2022-08-12 | 宁波海雯文具有限公司 | Compasses |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207471040U (en) | A kind of multimedia teaching apparatus used of imparting knowledge to students | |
| CN207901968U (en) | A kind of mathematics teaching aid | |
| CN208240214U (en) | Multi-modal English teaching device for English teaching | |
| CN206558070U (en) | A kind of mathematical modeling rotary display instructional device | |
| CN204884214U (en) | English multi -functional teaching board of giving lessons | |
| CN207136818U (en) | A kind of manual telescopic glass curtain wall burnisher | |
| CN206021738U (en) | A kind of chemistry teaching molecular structure model | |
| CN206450039U (en) | A kind of high school student is with convertible test tube drying frame | |
| CN209426431U (en) | A kind of high school mathematics teaching Drawing of Curve device | |
| CN211684473U (en) | Middle school student uses fine arts drawing board support frame | |
| CN106942916A (en) | Middle school student's living model laying rack | |
| CN210836649U (en) | PLC synthesizes real device of instructing | |
| CN209776016U (en) | Portable drawing board for art design teaching | |
| CN201728994U (en) | Safe, easily-positioned and telescopic compasses for mathematical education | |
| CN207695372U (en) | A kind of tube bending apparatus for correcting | |
| CN206067315U (en) | A kind of servicing unit of mathematical education | |
| CN202345177U (en) | Adjustable compass for mathematical teaching | |
| CN207337767U (en) | A kind of automobile using teaching demonstration plate | |
| CN203780131U (en) | Mathematics teaching board | |
| CN208148908U (en) | A kind of Multifunctional math teaching aid | |
| CN204915010U (en) | Be fit for show shelf that thought political teaching used | |
| CN207421611U (en) | A kind of oral cavity dental chair four-in-one pipe joint connector | |
| CN206134941U (en) | Pointer rotating device of X, Y axle direction | |
| CN201886656U (en) | Combined teaching rod with pen | |
| CN204066442U (en) | A kind of English tense teaching dish |
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: 20180925 Termination date: 20191216 |