CN105270048A - Multifunctional teaching ruler - Google Patents
Multifunctional teaching ruler Download PDFInfo
- Publication number
- CN105270048A CN105270048A CN201410300244.1A CN201410300244A CN105270048A CN 105270048 A CN105270048 A CN 105270048A CN 201410300244 A CN201410300244 A CN 201410300244A CN 105270048 A CN105270048 A CN 105270048A
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- China
- Prior art keywords
- compass
- ruler
- strip board
- foot
- multifunctional teaching
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Abstract
The invention discloses a multifunctional teaching ruler. The multifunctional teaching ruler is provided with a ruler body. One end of the ruler body is provided with disk-shaped filler. A cored screw penetrates through the center of the disk-shaped filler. The two ends of the cored screw are each rotationally connected with a compass leg. The outer side faces of the upper half portions of the two compass legs are each provided with an opening structure. A folding 30-degree right-angle set square is installed in the opening structure in the outer side face of the upper half portion of one compass leg. A folding 45-degree right-angle set square is installed in the opening structure in the outer side face of the upper half portion of the other compass leg. Two circular plates marked with angles and scales are laid on the front side and the reverse side of the disk on the tops of the two compass legs. The multifunctional teaching ruler is simple in structure, convenient to use, multifunctional, stable in usability, and mainly applied to classroom teaching.
Description
Technical field
The present invention relates to teaching aid field, classroom, particularly relate to a kind of multifunctional teaching sector ruler and compass.
Background technology
During daily classroom instruction, before teachers impart knowledge to students at school, need to take set square away from office, protractor, compasses, the multiple teaching aid such as ruler, often bring much inconvenience, also many troubles are brought to academics and students, especially for women teacher, an arm clips teaching textbook often, an arm also will clip various teaching aid, or simply all embrace and move ahead in one's arms, wherein as wooden protractor, not only thin but also long compasses, the set square etc. of volume heaviness, and set square is again because purposes is different, also to be divided into the right angle triangle that interior angle is respectively 30 ° and 45 °, for the teacher that those offices are far from classroom, just more seem painstakingly, junior middle school is acquired again to senior middle school from little, these traditional teaching aids have spent the another class of a joint along with us, even our several generations use these teaching aids to come, but meanwhile these traditional teaching aids also bring a lot of inconvenience to us:
1) volume is comparatively large, and weight is also comparatively large, carries inconvenience, and present teachers are except being with necessary textbook of attending class, and outside reference book, also need to be with compasses, two pieces of set squares, one protractor etc., extremely inconvenient.
2) function of every the same teaching aid is too single, uses cumbersome.
In general stationery market, also be difficult to buy a kind of teaching aid with several functions, otherwise be exactly the compasses of some function singlenesses, ruler, protractor etc., otherwise be exactly the teaching aid that some only carried out simple transformation, be difficult to realize multifunctional usage, so just greatly reduce the operating efficiency of teacher.
Summary of the invention
Object of the present invention is improved for existing traditional teaching aid exactly, provides a kind of structure simple, easy to use, the teaching sector ruler and compass of diverse in function.
Concrete scheme of the present invention is: a kind of multifunctional teaching sector ruler and compass, there is ruler body, one piece of disc filler is housed in one end of ruler body, a cored screw is coated with in disc filler center, cored screw two ends are respectively rotatably connected to a compass foot by nut, described two compass foot tops are the discoid of formed objects, described two compass foot the first half front and rear surfaces are equipped with an open slot structure, the latter half of described two compass foots is an expansion link, wherein a compasses tiptoe is equipped with in an expansion link front end, a bush of chalk is equipped with in another root expansion link front end, a slotted pan head screw and a goat's horn nut are respectively equipped with in the rear end of described two expansion links, expansion link slides in open slot structure with respective slotted pan head screw and goat's horn nut, be equipped with hatch frame at the respective lateral surface of described two compass foot the first half, every inner close centre position of compass foot the first half is equipped with a dividing plate, and expansion link and lateral surface hatch frame separate by described dividing plate, inside the lateral surface hatch frame of compass foot the first half wherein, folding 30 ° of right angle triangles are installed, folding 45 ° of right angle triangles are installed inside the lateral surface hatch frame of another compass foot the first half, the respective right-angle side of described two right angle triangles and hypotenuse form by some strip board are folding respectively, and the strip board at the contact place on adjacent both sides is equipped with cylindrical small magnet, the end of strip board can rotate by the fixed endpoint inside the lateral surface hatch frame of compass foot the first half, the tow sides of described two compass foot top disks have all tiled one piece and has indicated the plectane of angle index, described plectane is coaxial with disc filler, and two of two compass foots inner edge extended lines are all through plectane axle center.
The end of the strip board of 30 ° and 45 ° right angle triangles described in the present invention is respectively equipped with a light spring.
Every root strip board on 30 ° and 45 ° of right angle triangles described in the present invention is all lined with the wide little strip board of a 5mm near outer edge.
The angle index indicated described in the present invention on the plectane of angle index is clockwise and counterclockwise inside and outside two circles.
The filler of disc described in the present invention is that PMMA material is made.
Compass foot described in the present invention and strip board all adopt 5052 aluminium sheets to make.
The present invention can realize function of angle gauge by the plectane with angle index, calipers function can be realized by the expansion link inside two compass foots, the use being realized 30 ° and 45 ° right angle triangles by the collapsible strip board of installing inside the lateral surface hatch frame of two compass foot the first half is represented, and after two right angle triangles gatherings are entered, launched to stretch by two compass foots and can also work as teacher's pointer use, structure of the present invention is simple, easy to use, diverse in function, serviceability is stablized.
Accompanying drawing explanation
Fig. 1 is that general structure of the present invention launches schematic diagram;
Fig. 2 is the main apparent direction structural representation of the present invention (only launching 45 ° of right angle triangles);
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the left view of Fig. 2;
Fig. 5 is the main apparent direction structural representation of compass foot in the present invention;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the main apparent direction structural representation of strip board in the present invention;
Fig. 8 is the top view of Fig. 7.
In figure: 1-cylindrical small magnet, 2-disc filler, 3-cored screw, 4-strip board, 5-bush of chalk, 6-expansion link, 7-open slot structure, 8-compasses tiptoe, 9-light spring, 10-slotted pan head screw, 11-goat's horn nut, 12-dividing plate, 13-angle index plectane, 14-little strip board.
Detailed description of the invention
See Fig. 1-Fig. 8, the present invention is a kind of multifunctional teaching sector ruler and compass, there is ruler body, one piece of disc filler 2 is housed in one end of ruler body, a cored screw 3 is coated with in disc filler center, cored screw two ends are respectively rotatably connected to a compass foot by nut, described two compass foot tops are the discoid of formed objects, described two compass foot the first half front and rear surfaces are equipped with an open slot structure 7, the latter half of described two compass foots is an expansion link 6, wherein a compasses tiptoe 8 is equipped with in an expansion link front end, a bush of chalk 5 is equipped with in another root expansion link front end, a slotted pan head screw 10 and a goat's horn nut 11 are respectively equipped with in the rear end of described two expansion links, expansion link slides in open slot structure 7 with respective slotted pan head screw and goat's horn nut, be equipped with hatch frame at the respective lateral surface of described two compass foot the first half, every inner close centre position of compass foot the first half is equipped with a dividing plate 12, and expansion link and lateral surface hatch frame separate by described dividing plate, inside the lateral surface hatch frame of compass foot the first half wherein, folding 30 ° of right angle triangles are installed, folding 45 ° of right angle triangles are installed inside the lateral surface hatch frame of another compass foot the first half, the respective right-angle side of described two right angle triangles and hypotenuse form by some strip board 4 are folding respectively, and the strip board at the contact place on adjacent both sides is equipped with cylindrical small magnet 1, the end of strip board can rotate by the fixed endpoint inside the lateral surface hatch frame of compass foot the first half, the tow sides of described two compass foot top disks have all tiled one piece and has indicated the plectane 13 of angle index, described plectane is coaxial with disc filler, and two of two compass foots inner edge extended lines are all through plectane axle center.
The end of the strip board of 30 ° and 45 ° right angle triangles described in the present embodiment is respectively equipped with a light spring 9.
Every root strip board on 30 ° and 45 ° of right angle triangles described in the present embodiment is all lined with the wide little strip board 14 of a 5mm near outer edge.
The angle index indicated described in the present embodiment on the plectane 13 of angle index is clockwise and counterclockwise inside and outside two circles.
The filler of disc described in the present embodiment 2 is made for PMMA material.
Compass foot described in the present embodiment and strip board all adopt 5052 aluminium sheets to make.
Function of angle gauge can be realized by the plectane 13 with angle index in the present embodiment, calipers function can be realized by the expansion link 6 inside two compass foots, the use realizing 30 ° and 45 ° right angle triangles by the collapsible strip board 4 of installing inside the lateral surface hatch frame of two compass foot the first half represents, and after two right angle triangles gatherings are entered, two compass foots are launched to stretch and can also work as teacher's pointer use.
Claims (6)
1. a multifunctional teaching sector ruler and compass, there is ruler body, it is characterized in that: one piece of disc filler is housed in one end of ruler body, a cored screw is coated with in disc filler center, cored screw two ends are respectively rotatably connected to a compass foot by nut, described two compass foot tops are the discoid of formed objects, described two compass foot the first half front and rear surfaces are equipped with an open slot structure, the latter half of described two compass foots is an expansion link, wherein a compasses tiptoe is equipped with in an expansion link front end, a bush of chalk is equipped with in another root expansion link front end, a slotted pan head screw and a goat's horn nut are respectively equipped with in the rear end of described two expansion links, expansion link slides in open slot structure with respective slotted pan head screw and goat's horn nut, be equipped with hatch frame at the respective lateral surface of described two compass foot the first half, every inner close centre position of compass foot the first half is equipped with a dividing plate, and expansion link and lateral surface hatch frame separate by described dividing plate, inside the lateral surface hatch frame of compass foot the first half wherein, folding 30 ° of right angle triangles are installed, folding 45 ° of right angle triangles are installed inside the lateral surface hatch frame of another compass foot the first half, the respective right-angle side of described two right angle triangles and hypotenuse form by some strip board are folding respectively, and the strip board at the contact place on adjacent both sides is equipped with cylindrical small magnet, the end of strip board can rotate by the fixed endpoint inside the lateral surface hatch frame of compass foot the first half, the tow sides of described two compass foot top disks have all tiled one piece and has indicated the plectane of angle index, described plectane is coaxial with disc filler, and two of two compass foots inner edge extended lines are all through plectane axle center.
2. a kind of multifunctional teaching sector ruler and compass according to claim 1, is characterized in that: the end of the strip board of described 30 ° and 45 ° right angle triangles is respectively equipped with a light spring.
3. a kind of multifunctional teaching sector ruler and compass according to claim 1, is characterized in that: the every root strip board on described 30 ° and 45 ° of right angle triangles is all lined with the wide little strip board of a 5mm near outer edge.
4. a kind of multifunctional teaching sector ruler and compass according to claim 1, is characterized in that: described in the angle index indicated on the plectane of angle index be one clockwise and inside and outside two circles counterclockwise.
5. a kind of multifunctional teaching sector ruler and compass according to claim 1, is characterized in that: described disc filler is that PMMA material is made.
6. a kind of multifunctional teaching sector ruler and compass according to claim 1, is characterized in that: described compass foot and strip board all adopt 5052 aluminium sheets to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300244.1A CN105270048A (en) | 2014-06-30 | 2014-06-30 | Multifunctional teaching ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300244.1A CN105270048A (en) | 2014-06-30 | 2014-06-30 | Multifunctional teaching ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105270048A true CN105270048A (en) | 2016-01-27 |
Family
ID=55140244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410300244.1A Pending CN105270048A (en) | 2014-06-30 | 2014-06-30 | Multifunctional teaching ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105270048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108909276A (en) * | 2018-05-06 | 2018-11-30 | 陈玲 | Special pens are used in a kind of examination of senior middle school |
| CN110949042A (en) * | 2019-12-30 | 2020-04-03 | 重庆电子工程职业学院 | Foldable portable planar design drawing device |
-
2014
- 2014-06-30 CN CN201410300244.1A patent/CN105270048A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108909276A (en) * | 2018-05-06 | 2018-11-30 | 陈玲 | Special pens are used in a kind of examination of senior middle school |
| CN110949042A (en) * | 2019-12-30 | 2020-04-03 | 重庆电子工程职业学院 | Foldable portable planar design drawing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160127 |