CN207825791U - A kind of Multifunctional drawing teaching aid - Google Patents
A kind of Multifunctional drawing teaching aid Download PDFInfo
- Publication number
- CN207825791U CN207825791U CN201621428218.8U CN201621428218U CN207825791U CN 207825791 U CN207825791 U CN 207825791U CN 201621428218 U CN201621428218 U CN 201621428218U CN 207825791 U CN207825791 U CN 207825791U
- Authority
- CN
- China
- Prior art keywords
- ruler
- sliding slot
- slide block
- sliding block
- line
- 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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Abstract
The utility model is related to a kind of Multifunctional drawing teaching aids, including ruler A, ruler B, turntable, sliding block A, slide block B, control line and control ring, the one end ruler A is hinged with the one end ruler B, turntable is arranged in the junction of ruler A and ruler B, sliding slot A is opened up on the ruler A, sliding block A is arranged in sliding slot A, sliding slot B is opened up on the ruler B, slide block B is arranged in sliding slot B, it is connect in the middle part of control line one end and sliding block A, the control line other end passes through to be connect in the middle part of control ring and slide block B, and sets of holes A is opened up on the sliding block A, sets of holes B is opened up in the slide block B.The beneficial effects of the utility model are：1, simple in structure, it is easy to operate；2, the accurate Drawing of circle, circular arc, ellipse, triangle, angular bisector, center line, vertical line, straight line etc. can be carried out, it is multiple functional；3, the measurements such as angle, length can be carried out；4, multiple functional, it is convenient for carrying.
Description
Technical field
The utility model is related to a kind of teaching aid more particularly to a kind of Multifunctional drawing teaching aids.
Background technology
At present when teacher teaches, because teaching needs teacher to need often to draw on blackboard, common drawing tools example
Such as, compasses can be used for picture circle, and ruler is used for picture straight line, and set square can only draw specific triangle.Use these drawing religions
Tool is drawn, disadvantage is that：Function is more single, and quantity is more, teacher carry and store it is very inconvenient, especially draw triangle
Shape, ellipse and bowlder, which lack, facilitates handy teaching aid.
Utility model content
Technical problem to be solved in the utility model is：A kind of Multifunctional drawing teaching aid is provided, typical graphics religion is solved
Tool has a single function, it has not been convenient to the problem of carrying.
The utility model be solve the problems, such as it is set forth above used by technical solution be：
A kind of Multifunctional drawing teaching aid, including ruler A1, ruler B2, turntable 3, sliding block A4, slide block B 5, control line 6 and control
Ring 7 processed, the one end ruler A1 is hinged with the one end ruler B2, and turntable 3 is arranged in the junction of ruler A1 and ruler B2, the ruler A1
On open up sliding slot A8, sliding block A4 is arranged in sliding slot A8, and sliding slot B9 is opened up on the ruler B2, and slide block B 5 is arranged in sliding slot B9
It is interior, it is connect in the middle part of 6 one end of control line and sliding block A4,6 other end of control line passes through control ring 7 to be connect with 5 middle part of slide block B, described
Sets of holes A10 is opened up on sliding block A4, and sets of holes B11 is opened up in the slide block B 5.
Spool 12 is set among 3 leading flank of turntable, control line can be fixed on spool when not drawing ellipse, not shadow
Other operations are rung, the handle of fixed operation is also can be used as.
3 rear side of turntable is provided with sucker, and device can be fixed in plate face.
The sliding block A4 is fixed on by fastener A13 in sliding slot A8, can be fixed sliding block location A, be made picture more
Standard.
The fastener A13 is fastening bolt.
The slide block B 5 is fixed on by fastener B14 in sliding slot B9, can be fixed slide block B position, be made picture more
Standard.
The fastener B14 is fastening bolt.
The sliding slot A8 is located on the center line of ruler A1, makes picture more standard.
The sliding slot B9 is located on the center line of ruler B2, makes picture more standard.
The turntable 3 is equipped with angle line, is convenient for measuring angle.
The operation principle of the utility model：When drawing circle or arc, the sliding block on any ruler is adjusted, selects the radius needed,
Spool is held, teaching aid is fixed on blackboard, chalk is inserted into the sets of holes of the sliding block, rotates ruler, circle can be drawn or draws arc；
When drawing oval, control line is installed, the length of control line is adjusted, ruler A and ruler B fixed on the same line, respectively
Adjustment sliding block A, slide block B position be that its center is located in elliptical two focuses, chalk is inserted into control ring, is tensed
Control line movement control ring draws ellipse；When drawing triangle, the angle of ruler A and ruler B are directly adjusted according to turntable, draws two
Side, determines length, connects other one side；It can carry out the measurement of angle；The measurement of straight length；Facilitate angular bisector
Drafting.
The beneficial effects of the utility model are：1, simple in structure, it is easy to operate；2, circle, circular arc, ellipse, three can be carried out
The accurate Drawing of angular, angular bisector, center line, vertical line, straight line etc., it is multiple functional；3, the measurements such as angle, length can be carried out；4、
It is multiple functional, it is convenient for carrying.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1- rulers A, 2- ruler B, 3- turntables, 4- sliding block A, 5- slide block B, 6- control lines, 7- control rings, 8- sliding slots
A, 9- sliding slots B, 10- sets of holes A, 11- sets of holes B, 12- spool, 13- fastener A, 14- fasteners B.
Specific implementation mode
The embodiments of the present invention are further illustrated below in conjunction with the accompanying drawings.
Referring to Fig.1, a kind of Multifunctional drawing teaching aid described in present embodiment, including ruler A1, ruler B2, turntable
3, sliding block A4, slide block B 5, control line 6 and control ring 7, the one end ruler A1 is hinged with the one end ruler B2, and turntable 3 is arranged in ruler A1
With the junction of ruler B2, sliding slot A8 is opened up on the ruler A1, sliding block A4 is arranged in sliding slot A8, is opened up on the ruler B2
Sliding slot B9, slide block B 5 are arranged in sliding slot B9, are connect in the middle part of 6 one end of control line and sliding block A4,6 other end of control line passes through control
Ring 7 is connect with 5 middle part of slide block B, and sets of holes A10 is opened up on the sliding block A4, sets of holes B11 is opened up in the slide block B 5.
Spool 12 is set among 3 leading flank of turntable, control line can be fixed on spool when not drawing ellipse, not shadow
Other operations are rung, the handle of fixed operation is also can be used as.
3 rear side of turntable is provided with sucker, and device can be fixed in plate face.
The sliding block A4 is fixed on by fastener A13 in sliding slot A8, can be fixed sliding block location A, be made picture more
Standard.
The fastener A13 is fastening bolt.
The slide block B 5 is fixed on by fastener B14 in sliding slot B9, can be fixed slide block B position, be made picture more
Standard.
The fastener B14 is fastening bolt.
The sliding slot A8 is located on the center line of ruler A1, makes picture more standard.
The sliding slot B9 is located on the center line of ruler B2, makes picture more standard.
The turntable 3 is equipped with angle line, is convenient for measuring angle.
The working principle of this specific embodiment:：When drawing circle or arc, the sliding block on any ruler is adjusted, selects half needed
Diameter holds spool, and teaching aid is fixed on blackboard, and chalk is inserted into the sets of holes of the sliding block, rotates ruler, can draw circle or draw
Arc；When drawing oval, control line is installed, the length of control line is adjusted, ruler A and ruler B are fixed on the same line, point
Not Tiao Zheng sliding block A, slide block B position be its center be located at be located at elliptical two focuses on, by chalk be inserted into control ring in, draw
Tight control line movement control ring draws ellipse；When drawing triangle, the angle of ruler A and ruler B are directly adjusted according to turntable, is drawn
Two sides, determine length, connect other one side；It can carry out the measurement of angle；The measurement of straight length；Facilitate angle bisection
The drafting of line.
The advantageous effect of present embodiment is：1, simple in structure, it is easy to operate；2, circle, circular arc, ellipse can be carried out
The accurate Drawing of circle, triangle, angular bisector, center line, vertical line, straight line etc., it is multiple functional；3, the surveys such as angle, length can be carried out
Amount；4, multiple functional, it is convenient for carrying.
Specific embodiment of the utility model does not constitute limitations of the present invention, every phase using the utility model
It is within the protection scope of the present utility model like structure and variation.
Claims (7)
1. a kind of Multifunctional drawing teaching aid, it is characterised in that：Including ruler A（1）, ruler B（2）, turntable（3）, sliding block A（4）, it is sliding
Block B（5）, control line（6）And control ring（7）, ruler A（1）One end and ruler B（2）One end is hinged, turntable（3）It is arranged in ruler A
（1）With ruler B（2）Junction, the ruler A（1）On open up sliding slot A（8）, sliding block A（4）It is arranged in sliding slot A（8）It is interior, institute
State ruler B（2）On open up sliding slot B（9）, slide block B（5）It is arranged in sliding slot B（9）It is interior, control line（6）One end and sliding block A（4）Middle part
Connection, control line（6）The other end passes through control ring（7）With slide block B（5）Middle part connects, the sliding block A（4）On open up sets of holes A
（10）, the slide block B（5）On open up sets of holes B（11）.
2. a kind of Multifunctional drawing teaching aid as described in claim 1, it is characterised in that：The turntable（3）Centre setting line
Axis（12）.
3. a kind of Multifunctional drawing teaching aid as described in claim 1, it is characterised in that：The sliding block A（4）Pass through fastener
A（13）It is fixed on sliding slot A（8）It is interior.
4. a kind of Multifunctional drawing teaching aid as described in claim 1, it is characterised in that：The slide block B（5）Pass through fastener
B（14）It is fixed on sliding slot B（9）It is interior.
5. a kind of Multifunctional drawing teaching aid as described in claim 1, it is characterised in that：The sliding slot A（8）Positioned at ruler A
（1）Center line on.
6. a kind of Multifunctional drawing teaching aid as described in claim 1, it is characterised in that：The sliding slot B（9）Positioned at ruler B
（2）Center line on.
7. a kind of Multifunctional drawing teaching aid as described in claim 1, it is characterised in that：The turntable（3）It is equipped with angle
Line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621428218.8U CN207825791U (en) | 2016-12-24 | 2016-12-24 | A kind of Multifunctional drawing teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621428218.8U CN207825791U (en) | 2016-12-24 | 2016-12-24 | A kind of Multifunctional drawing teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207825791U true CN207825791U (en) | 2018-09-07 |
Family
ID=63383468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621428218.8U Expired - Fee Related CN207825791U (en) | 2016-12-24 | 2016-12-24 | A kind of Multifunctional drawing teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207825791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278448A (en) * | 2018-10-18 | 2019-01-29 | 周婷婷 | Scribing line and range unit |
-
2016
- 2016-12-24 CN CN201621428218.8U patent/CN207825791U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278448A (en) * | 2018-10-18 | 2019-01-29 | 周婷婷 | Scribing line and range unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |