CN208774372U - A kind of mathematics teaching aid - Google Patents
A kind of mathematics teaching aid Download PDFInfo
- Publication number
- CN208774372U CN208774372U CN201821025947.8U CN201821025947U CN208774372U CN 208774372 U CN208774372 U CN 208774372U CN 201821025947 U CN201821025947 U CN 201821025947U CN 208774372 U CN208774372 U CN 208774372U
- Authority
- CN
- China
- Prior art keywords
- foot bar
- teaching aid
- bar
- mathematics teaching
- foot
- 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
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of mathematics teaching aids, including the first foot bar, the second foot bar, shaft, protractor, the first sliding block, the first slide bar, the second slide bar, connecting rod, the second sliding block, sucker and clamping plate；The beneficial effects of the utility model are, firstly, integral structure is made in compasses and set square, facilitate the carrying and storage of teaching aid；Secondly, can need to draw the triangle of different angle according to teaching using corner set square；Finally, can disposably draw the complete triangle in outlet angle using slide bar setting.
Description
Technical field
The utility model relates to teaching aid technical field more particularly to a kind of mathematics teaching aids.
Background technique
Currently, set square and compasses are the common teaching aids of primary school math teaching.Existing educational compasses and set square are two
The different teaching aid of kind, has the shortcomings that inconvenient to carry；Secondly, existing set square is the set square of fixed angle, it is common
Angle has 30 ° of set squares and 45 ° of set squares, can not need to change the end angle angle of set square according to teaching；Finally, existing side
Angle set square end can not form end angle, therefore, need to be extended by ruler to be formed during drawing triangle
Hold angle.
Utility model content
The purpose of this utility model: a kind of mathematics teaching aid is provided, to solve problems of the prior art.
To achieve the goals above, the technical solution of the utility model is: a kind of mathematics teaching aid, including the first foot bar,
Second foot bar, shaft, protractor, the first sliding block, the first slide bar, the second slide bar, connecting rod, the second sliding block, sucker and clamping plate；It is described
The first foot bar and the second foot bar be flat cuboid structure, and the two passes through the described shaft connection；The protractor setting
It is fixedly connected between first foot bar and the second foot bar, and with first foot bar；It is opened up on the protractor
There is arc groove；First sliding block is arranged in second foot bar, and is located in the arc groove；Described first
Foot bar lateral wall offers first sliding groove；First slide bar is arranged in the first sliding groove；Second foot bar
Lateral wall offers second sliding slot；Second slide bar is arranged in the second sliding slot；The connecting rod is flat rectangle
Body structure；Described connecting rod one end and first foot bar are hinged, and the other end and second sliding block are hinged；Described
Third sliding slot is offered in two foot bars；Second sliding block is arranged in the third sliding slot；First foot bar is remote
The sucker is provided with from described shaft one end；Second foot bar is provided with described far from described shaft one end
Clamping plate.
Above-mentioned mathematics teaching aid, wherein be provided with the first scale strip in first foot bar.
Above-mentioned mathematics teaching aid, wherein be provided with the second scale strip in second foot bar.
Above-mentioned mathematics teaching aid, wherein third scale strip is provided on the connecting rod.
Above-mentioned mathematics teaching aid, wherein further include handle；The handle is U-shaped body, and described first is arranged in
In foot bar.
Above-mentioned mathematics teaching aid, wherein first foot bar is provided with flexural pivot body, institute far from described shaft one end
Flexural pivot slot is provided at the top of the sucker stated；The flexural pivot body, which is arranged in, connects first foot bar in the flexural pivot slot
And sucker.
Above-mentioned mathematics teaching aid, wherein first foot bar makees circular arc processing close to shaft one end corner；
Second foot bar makees circular arc processing close to shaft one end corner.
Above-mentioned mathematics teaching aid, wherein further include fixing bolt；The clamping plate peripheral wall offers screw hole；It is described
Fixing bolt be arranged in the screw hole.
In conclusion the beneficial effects of the utility model are, firstly, integral structure is made in compasses and set square, side
Just the carrying and storage of teaching aid；Secondly, can need to draw the triangle of different angle according to teaching using corner set square；
Finally, can disposably draw the complete triangle in outlet angle using slide bar setting.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of mathematics teaching aid of the utility model.
Fig. 2 is a kind of top view of mathematics teaching aid of the utility model.
Fig. 3 is a kind of right part of flg of mathematics teaching aid of the utility model.
Fig. 4 is a kind of left hand view of mathematics teaching aid of the utility model.
Specific embodiment
The embodiments of the present invention that the following is further explained with reference to the attached drawings.
Refer to shown in attached drawing 1 to attached drawing 4, a kind of mathematics teaching aid, including the first foot bar 1, the second foot bar 2, shaft 3,
Protractor 4, the first sliding block 5, the first slide bar 6, the second slide bar 7, connecting rod 8, the second sliding block 9, sucker 10 and clamping plate 11；Described
One foot bar 1 and the second foot bar 2 are flat cuboid structure, and the two is connected by the shaft 3；The protractor 4 is arranged
It is fixedly connected between first foot bar 1 and the second foot bar 2, and with first foot bar 1；On the protractor 4
Offer arc groove 401；First sliding block 5 is arranged in second foot bar 2, and is located at the arc groove 401
It is interior；First foot bar, 1 lateral wall offers first sliding groove 101；The first sliding groove is arranged in first slide bar 6
In 101；Second foot bar, 2 lateral wall offers second sliding slot 201；Described second is arranged in second slide bar 7
In sliding slot 201；The connecting rod 8 is flat cuboid structure；Described 8 one end of connecting rod and first foot bar 1 are hinged, another
End and second sliding block 9 are hinged；Third sliding slot 202 is offered in second foot bar 2；Second sliding block 9 is set
It sets in the third sliding slot 202；First foot bar 1 is provided with the sucker 10 far from described 3 one end of shaft；
Second foot bar 2 is provided with the clamping plate 11 far from described 3 one end of shaft.
The first scale strip 102 is provided in first foot bar 1, the scale strip is for carrying out linear measure longimetry.
The second scale strip 203 is provided in second foot bar 2, the scale strip is for carrying out linear measure longimetry.
Third scale strip 801 is provided on the connecting rod 8, the scale strip is for carrying out linear measure longimetry.
It further include handle 12；The handle 12 is U-shaped body, and is arranged in first foot bar 1, the handle
12 convenient for users to carrying teaching aid.
First foot bar 1 is provided with flexural pivot body 103 far from described 3 one end of shaft, sets at the top of the sucker 10
It is equipped with flexural pivot slot 1001；The flexural pivot body 103, which is arranged in, connects 1 He of the first foot bar in the flexural pivot slot 1001
Sucker 10 enables the sucker 10 to rotate around 103 center of flexural pivot body.
First foot bar 1 makees circular arc processing close to 3 one end corner of shaft；Second foot bar 2 is close
Circular arc processing is made in 3 one end corner of shaft, and first slide bar 6 and the second slide bar 7 are respectively along first foot bar 1
It is slided with 2 length direction of the second foot bar, so that first slide bar 6 and the second slide bar 7 is crossed to form end angle.
It further include fixing bolt 13；11 peripheral wall of clamping plate offers screw hole；The setting of fixing bolt 13 exists
In the screw hole, chalk is fixed in the clamping plate 11.
In conclusion the beneficial effects of the utility model are, firstly, integral structure is made in compasses and set square, side
Just the carrying and storage of teaching aid；Secondly, can need to draw the triangle of different angle according to teaching using corner set square；
Finally, can disposably draw the complete triangle in outlet angle using slide bar setting.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Any equivalent structural transformation made using the contents of the description of this utility model is directly or indirectly related with other are attached to
The technical field of product, is also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of mathematics teaching aid, it is characterised in that: including the first foot bar (1), the second foot bar (2), shaft (3), protractor
(4), the first sliding block (5), the first slide bar (6), the second slide bar (7), connecting rod (8), the second sliding block (9), sucker (10) and clamping plate
(11)；First foot bar (1) and the second foot bar (2) is flat cuboid structure, and the two is connected by the shaft (3)
It connects；The protractor (4) is arranged between first foot bar (1) and the second foot bar (2), and with first foot bar
(1) it is fixedly connected；Arc groove (401) are offered on the protractor (4)；First sliding block (5) is arranged in described
In second foot bar (2), and it is located in the arc groove (401)；Described the first foot bar (1) lateral wall offers first sliding groove
(101)；First slide bar (6) is arranged in the first sliding groove (101)；Described the second foot bar (2) lateral wall is opened
Equipped with second sliding slot (201)；Second slide bar (7) is arranged in the second sliding slot (201)；The connecting rod (8)
For flat cuboid structure；Hingedly, the other end and described second is slided for described connecting rod (8) one end and first foot bar (1)
Block (9) is hinged；Third sliding slot (202) are offered in second foot bar (2)；Second sliding block (9) is arranged described
Third sliding slot (202) in；First foot bar (1) is provided with the sucker (10) far from described shaft (3) one end；
Second foot bar (2) is provided with the clamping plate (11) far from described shaft (3) one end.
2. a kind of mathematics teaching aid according to claim 1, it is characterised in that: be provided in first foot bar (1)
First scale strip (102).
3. a kind of mathematics teaching aid according to claim 1, it is characterised in that: be provided in second foot bar (2)
Second scale strip (203).
4. a kind of mathematics teaching aid according to claim 1, it is characterised in that: be provided with third on the connecting rod (8)
Scale strip (801).
5. a kind of mathematics teaching aid according to claim 1, it is characterised in that: further include handle (12)；The handle
(12) it is U-shaped body, and is arranged in first foot bar (1).
6. a kind of mathematics teaching aid according to claim 1, it is characterised in that: first foot bar (1) is far from described
Shaft (3) one end be provided with flexural pivot body (103), be provided with flexural pivot slot (1001) at the top of the sucker (10)；The ball
Articulated body (103), which is arranged in, connects first foot bar (1) and sucker (10) in the flexural pivot slot (1001).
7. a kind of mathematics teaching aid according to claim 1, it is characterised in that: first foot bar (1) is close to described
Shaft (3) one end corner make circular arc processing；Second foot bar (2) makees circular arc close to described shaft (3) one end corner
Processing.
8. a kind of mathematics teaching aid according to claim 1, it is characterised in that: further include fixing bolt (13)；Described
Clamping plate (11) peripheral wall offers screw hole；The fixing bolt (13) is arranged in the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025947.8U CN208774372U (en) | 2018-06-29 | 2018-06-29 | A kind of mathematics teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025947.8U CN208774372U (en) | 2018-06-29 | 2018-06-29 | A kind of mathematics teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208774372U true CN208774372U (en) | 2019-04-23 |
Family
ID=66153060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821025947.8U Expired - Fee Related CN208774372U (en) | 2018-06-29 | 2018-06-29 | A kind of mathematics teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208774372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608731A (en) * | 2019-10-17 | 2019-12-24 | 金陵科技学院 | On-spot mapping device of building engineering cost |
-
2018
- 2018-06-29 CN CN201821025947.8U patent/CN208774372U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608731A (en) * | 2019-10-17 | 2019-12-24 | 金陵科技学院 | On-spot mapping device of building engineering cost |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201456764U (en) | Multifunctional teaching ruler | |
| CN208774372U (en) | A kind of mathematics teaching aid | |
| CN205075534U (en) | Multi -functional mathematics teaching aid | |
| CN208021054U (en) | A kind of scriber of primary school math teaching | |
| CN208290799U (en) | A kind of multipurpose mathematics teaching aid | |
| CN211138831U (en) | Multipurpose ruler for mathematics teaching | |
| CN208114627U (en) | A kind of medical tonger | |
| CN206718863U (en) | A kind of novel multifunctional students easel | |
| CN206277841U (en) | A kind of portable multifunctional mathematics teaching aid | |
| CN201257850Y (en) | Multipurpose teaching aid | |
| CN206166326U (en) | Novel drawing design is with foldable portable drawing frame | |
| CN207028630U (en) | A kind of multi-functional triangular ruler of mathematics | |
| CN208584987U (en) | A kind of multi-functional ruler-compasses | |
| CN207644057U (en) | A kind of special drawing board of architectural mapping drawing drafting | |
| CN209666690U (en) | A kind of educational compasses that can flexibly use | |
| CN207241248U (en) | A kind of animation specialty drawing boards | |
| CN211764560U (en) | Triangular combined eraser with measuring function | |
| CN206086097U (en) | Folding teaching ruler | |
| CN206124549U (en) | Foldable instrument of drawing | |
| CN205130741U (en) | Be used for special dipperstick of architectural design drawing | |
| CN209877803U (en) | Multifunctional measuring scale | |
| CN205255844U (en) | Multifunctional teaching ruler | |
| CN213947976U (en) | Drawing teaching aid for students | |
| CN208593210U (en) | A kind of dedicated drawing tools of finance | |
| CN210454247U (en) | Drawing rule for mathematical education |
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: 20190423 Termination date: 20200629 |