CN109968874B - Portable foldable triangular plate - Google Patents
Portable foldable triangular plate Download PDFInfo
- Publication number
- CN109968874B CN109968874B CN201910377280.0A CN201910377280A CN109968874B CN 109968874 B CN109968874 B CN 109968874B CN 201910377280 A CN201910377280 A CN 201910377280A CN 109968874 B CN109968874 B CN 109968874B
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- short
- magnetic
- long
- lath
- main board
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- 239000002184 metal Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
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- Telephone Set Structure (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
A portable foldable triangle comprises a main board, a short slat, a long slat magnetic rotating shaft, a short slat magnetic rotating shaft, a main board first magnetic block and a main board second magnetic block; the novel magnetic plate is characterized in that a handle is arranged on the main plate, and a first concave plane, a second concave plane, a main plate first magnetic block and a main plate second magnetic block are respectively arranged at two ends of the lower surface of the main plate; the short batten is provided with a first magnetic block on the side surface of the short batten, and a concave hole is formed in the first magnetic block on the side surface of the short batten; the short lath inclined surface magnetic block and the short lath side surface second magnetic block; the long batten is provided with a long batten end magnetic block which is provided with a raised head; the end inclined surface magnetic block of the long slat and the side magnetic block of the long slat; the long lath magnetic rotating shaft is used for fixing the long lath at one end of the main board; the short lath magnetic rotating shaft is used for fixing the short lath at the other end of the main board; the long batten can rotate around the axis of the long batten magnetic rotating shaft fixed on the main board. The invention realizes multiple purposes.
Description
Technical Field
The invention relates to a teaching aid, in particular to a portable foldable triangular plate.
Background
Traditional set square for teaching adopts to fix the lath, forms triangle-shaped, if need draw longer continuous straight line in the teaching, carries out the drawing of connection formula with traditional set square, is difficult to draw to be qualified, if take a ruler again, can bring inconvenience for the teaching personnel, especially traditional wooden or metal set square, is difficult to fix on vertical whiteboard, leads to the demonstration process student of religion unable completely to see clearly, prevents improvement of teaching efficiency and teaching effect.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a portable foldable triangular plate.
The technical scheme adopted by the invention is as follows: a portable foldable triangle comprises a main board, a short slat, a long slat magnetic rotating shaft, a short slat magnetic rotating shaft, a main board first magnetic block and a main board second magnetic block; the novel magnetic plate is characterized in that a handle is arranged on the main plate, and a first concave plane, a second concave plane, a main plate first magnetic block and a main plate second magnetic block are respectively arranged at two ends of the lower surface of the main plate; the short batten is provided with a first magnetic block on the side surface of the short batten, and a concave hole is formed in the first magnetic block on the side surface of the short batten; the short lath inclined surface magnetic block and the short lath side surface second magnetic block; the long batten is provided with a long batten end magnetic block which is provided with a raised head; the end inclined surface magnetic block of the long slat and the side magnetic block of the long slat; the long lath magnetic rotating shaft is used for fixing the long lath at one end of the main board; the short lath magnetic rotating shaft is used for fixing the short lath at the other end of the main board; the long batten can rotate around the axis of the long batten magnetic rotating shaft fixed on the main board; the short lath can rotate around the axle center of the short lath magnetic rotating shaft fixed on the main board; when the main board and the short-lath long lath are in the same straight line, the inclined surface magnetic blocks at the end of the long lath are adsorbed together with the first magnetic block of the main board, and the short-lath inclined surface magnetic blocks are adsorbed together with the second magnetic block of the main board; after the raised heads are inserted into the concave holes, the first magnetic blocks on the side surfaces of the short battens are adsorbed together with the magnetic blocks on the end heads of the long battens, the second magnetic blocks on the side surfaces of the short battens are adsorbed together with the second magnetic blocks on the main board, and the magnetic blocks on the side surfaces of the long battens are adsorbed together with the first magnetic blocks on the main board.
The outer ends of the short batten and the long batten are in right angle state, and when the protruding heads are inserted into the concave holes, the first magnetic blocks on the side surfaces of the short battens are adsorbed together with the magnetic blocks on the end heads of the long battens, and a right angle is formed between the short battens and the long battens.
After the raised heads are inserted into the concave holes, the first magnetic blocks on the side surfaces of the short battens are adsorbed together with the magnetic blocks on the end heads of the long battens, the second magnetic blocks on the side surfaces of the short battens are adsorbed together with the second magnetic blocks on the main board, the magnetic blocks on the side surfaces of the long battens are adsorbed together with the first magnetic blocks on the main board, and the main board, the short battens and the long battens form a triangular rule fixed by a plurality of magnetic blocks; when the main board and the long strip of the short strip are positioned on the same straight line, the inclined surface magnetic blocks at the end of the long strip are adsorbed together with the first magnetic blocks of the main board, the inclined surface magnetic blocks of the short strip are adsorbed together with the second magnetic blocks of the main board, and the main board, the short strip and the long strip form a ruler fixed by a plurality of magnetic blocks.
By adopting the technical scheme of the invention, the method has the following beneficial effects:
1. the movable lath is fixed by the magnet, so that the shape of the ruler and the shape of the triangular ruler are conveniently and quickly converted, and the multifunctional ruler is realized;
2. the invention realizes multiple purposes of the teaching aid and is beneficial to carrying out more complex drawing demonstration on a vertical plate surface;
3. the invention is provided with a plurality of magnetic blocks at different positions, so that a user can fix each part on a white board made of a magneto-philic metal plate at different angles to perform more complicated teaching demonstration.
Drawings
FIG. 1 is a perspective view of the bottom surface of the present invention (after the protruding head is inserted into the concave hole, the first magnetic block on the side of the short lath is adsorbed together with the magnetic block on the end of the long lath, the second magnetic block on the side of the short lath is adsorbed together with the second magnetic block on the main board, the magnetic block on the side of the long lath is adsorbed together with the first magnetic block on the main board, and the main board, the short lath and the long lath form a triangular square fixed by a plurality of magnetic blocks);
FIG. 2 is a top side perspective view of the present invention (after the protruding head is inserted into the concave hole, the first magnetic block on the side of the short slat is attracted to the magnetic block on the end of the long slat, the second magnetic block on the side of the short slat is attracted to the second magnetic block on the main board, the magnetic block on the side of the long slat is attracted to the first magnetic block on the main board, and the main board, the short slat and the long slat form a triangular rule fixed by a plurality of magnetic blocks);
FIG. 3 is a perspective view of the bottom surface of the present invention (when the main board and the long short batten are in a straight line, the inclined surface magnet at the end of the long batten is attracted to the first magnet of the main board, the inclined surface magnet of the short batten is attracted to the second magnet of the main board, and the main board, the short batten and the long batten form a straight ruler fixed by a plurality of magnets);
FIG. 4 is a top side perspective view of the present invention (when the main board and the long short batten are in a straight line, the inclined surface magnet at the end of the long batten is attracted to the first magnet of the main board, the inclined surface magnet of the short batten is attracted to the second magnet of the main board, and the main board, the short batten and the long batten form a straight ruler fixed by a plurality of magnets);
in the figure: 10-main board, 11-handle, 12-first concave plane, 13-second concave plane, 20-short board, 21-short board side first magnetic block, 22-concave hole, 30-long board, 31-long board end magnetic block, 32-convex head, 40-long board magnetic rotating shaft, 41-long board end inclined surface magnetic block, 42-long board side magnetic block, 50-short board magnetic rotating shaft, 51-short board inclined surface magnetic block, 52-short board side second magnetic block, 60-main board first magnetic block and 70-main board second magnetic block.
Detailed Description
The invention is further illustrated by the following figures and examples: as shown in fig. 1 to 4, a portable foldable triangle comprises a main board 10, a short lath 20, a long lath 30, a long lath magnetic rotating shaft 40, a short lath magnetic rotating shaft 50, a main board first magnetic block 60 and a main board second magnetic block 70; the magnetic head is characterized in that a handle 11 is arranged on the main board 10, and a first concave plane 12, a second concave plane 13, a main board first magnetic block 60 and a main board second magnetic block 70 are respectively arranged at two ends of the lower surface; the short lath 20 is provided with a first magnetic block 21 on the side surface of the short lath, and a concave hole 22 is formed in the first magnetic block 21 on the side surface of the short lath; a short slat incline magnet 51 and a short slat side second magnet 52; the long lath 30 is provided with a long lath end magnetic block 31, and the long lath end magnetic block 31 is provided with a raised head 32; a long slat end inclined surface magnetic block 41 and a long slat side surface magnetic block 42; the long lath magnetic rotating shaft 40 fixes the long lath 30 at one end of the main board 10; the short slat magnetic rotating shaft 50 fixes the short slat 20 at the other end of the main board 10; the long lath 30 can rotate around the axis of the long lath magnetic rotating shaft 40 fixed on the main board 10; the short lath 20 can rotate around the axis of the short lath magnetic rotating shaft 50 fixed on the main board 10; when the main board 10 and the long lath 30 of the short lath 20 are positioned on the same straight line, the inclined surface magnetic blocks 41 at the end of the long lath are adsorbed together with the first magnetic blocks 60 of the main board, and the inclined surface magnetic blocks 51 of the short lath are adsorbed together with the second magnetic blocks 70 of the main board; after the raised heads 32 are inserted into the concave holes 22, the first magnetic blocks 21 on the side surfaces of the short battens are adsorbed together with the magnetic blocks 31 on the end heads of the long battens, the second magnetic blocks 52 on the side surfaces of the short battens are adsorbed together with the second magnetic blocks 70 on the main board, and the magnetic blocks 42 on the side surfaces of the long battens are adsorbed together with the first magnetic blocks 60 on the main board.
The outer ends of the short lath 20 and the long lath 30 are in a right angle state, and when the first magnetic block 21 on the side surface of the short lath is adsorbed with the magnetic block 31 on the end of the long lath after the raised head 32 is inserted into the concave hole 22, a right angle is formed between the short lath 20 and the long lath 30.
After the raised heads 32 are inserted into the concave holes 22, the first magnetic blocks 21 on the side surfaces of the short battens are adsorbed together with the magnetic blocks 31 on the end heads of the long battens, the second magnetic blocks 52 on the side surfaces of the short battens are adsorbed together with the second magnetic blocks 70 on the main board, the magnetic blocks 42 on the side surfaces of the long battens are adsorbed together with the first magnetic blocks 60 on the main board, and the main board 10, the short battens 20 and the long battens 30 form a triangular square fixed by a plurality of magnetic blocks; when the main board 10 and the long lath 30 of the short lath 20 are in a straight line, the inclined surface magnetic blocks 41 at the end of the long lath are adsorbed together with the first magnetic blocks 60 of the main board, the inclined surface magnetic blocks 51 of the short lath are adsorbed together with the second magnetic blocks 70 of the main board, and the main board 10, the short lath 20 and the long lath 30 form a ruler fixed by a plurality of magnetic blocks.
The movable lath is fixed by the magnet, so that the shape of the ruler and the shape of the triangular ruler are conveniently and quickly converted, and the multifunctional ruler is realized; the invention realizes multiple purposes of the teaching aid and is beneficial to carrying out more complex drawing demonstration on a vertical plate surface; the invention is provided with a plurality of magnetic blocks at different positions, so that a user can fix each part on a white board made of a magneto-philic metal plate at different angles to perform more complicated teaching demonstration.
The above examples of the present invention are illustrative of exemplary embodiments of the present invention and are not intended to be limiting of the embodiments of the present invention. Obvious variations that result from the prompts of the embodiments of the invention are still within the scope of the claims of the invention.
Claims (1)
1. A portable foldable triangle comprises a main board (10), a short lath (20), a long lath (30), a long lath magnetic rotating shaft (40), a short lath magnetic rotating shaft (50), a main board first magnetic block (60) and a main board second magnetic block (70); the magnetic head is characterized in that a handle (11) is arranged on the main board (10), and a first concave plane (12), a second concave plane (13), a main board first magnetic block (60) and a main board second magnetic block (70) are respectively arranged at two ends of the lower surface; the short batten (20) is provided with a first magnetic block (21) on the side surface of the short batten, and a concave hole (22) is formed in the first magnetic block (21) on the side surface of the short batten; a short lath inclined surface magnetic block (51) and a short lath side surface second magnetic block (52); the long lath (30) is provided with a long lath end magnetic block (31), and the long lath end magnetic block (31) is provided with a raised head (32); a long slat end inclined surface magnetic block (41) and a long slat side surface magnetic block (42); the long lath magnetic rotating shaft (40) is used for fixing the long lath (30) at one end of the main board (10); the short lath magnetic rotating shaft (50) is used for fixing the short lath (20) at the other end of the main board (10); the long lath (30) can rotate around the axis of a long lath magnetic rotating shaft (40) fixed on the main board (10); the short lath (20) can rotate around the axle center of a short lath magnetic rotating shaft (50) fixed on the main board (10); the outer ends of the short lath (20) and the long lath (30) are in a right-angle state; when the main board (10) and the long batten (30) of the short batten (20) are positioned on the same straight line, the inclined surface magnetic blocks (41) at the end of the long batten are adsorbed together with the first magnetic blocks (60) of the main board, the inclined surface magnetic blocks (51) of the short batten are adsorbed together with the second magnetic blocks (70) of the main board, and the main board (10), the short batten (20) and the long batten (30) form a ruler fixed by a plurality of magnetic blocks; after the raised heads (32) are inserted into the concave holes (22), the first magnetic blocks (21) on the side surfaces of the short battens are adsorbed together with the magnetic blocks (31) on the end heads of the long battens, the second magnetic blocks (52) on the side surfaces of the short battens are adsorbed together with the second magnetic blocks (70) on the main board, the magnetic blocks (42) on the side surfaces of the long battens are adsorbed together with the first magnetic blocks (60) on the main board (10), the short battens (20) and the long battens (30) form a triangular ruler fixed by a plurality of magnetic blocks; a plurality of magnetic blocks are arranged at different positions on the triangular plate, and a user can fix all parts on a vertical white board made of a magneto-philic metal plate at different angles to carry out complicated teaching demonstration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377280.0A CN109968874B (en) | 2019-05-07 | 2019-05-07 | Portable foldable triangular plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377280.0A CN109968874B (en) | 2019-05-07 | 2019-05-07 | Portable foldable triangular plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109968874A CN109968874A (en) | 2019-07-05 |
| CN109968874B true CN109968874B (en) | 2023-12-12 |
Family
ID=67073079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910377280.0A Active CN109968874B (en) | 2019-05-07 | 2019-05-07 | Portable foldable triangular plate |
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| Country | Link |
|---|---|
| CN (1) | CN109968874B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7895760B1 (en) * | 2006-12-06 | 2011-03-01 | Bareis Kathryn M | Universal design sheet material holder assembly |
| CN201931860U (en) * | 2011-03-11 | 2011-08-17 | 应慧倩 | Multifunctional folding teaching ruler |
| CN203888466U (en) * | 2014-06-06 | 2014-10-22 | 宁波职业技术学院 | Rotatable straight ruler |
| CN204278856U (en) * | 2014-11-28 | 2015-04-22 | 宁波职业技术学院 | A kind of rotary type ruler |
| CN204451720U (en) * | 2015-01-27 | 2015-07-08 | 韩伯龙 | Teaching set square |
| CN207496337U (en) * | 2017-05-20 | 2018-06-15 | 冯芳伟 | A kind of multi-functional mathematical education set square |
| CN108556529A (en) * | 2018-03-07 | 2018-09-21 | 袁静 | A kind of rectilinear ruler for math teaching equipment |
| CN208469406U (en) * | 2018-01-11 | 2019-02-05 | 西京学院 | A kind of multifunctional drawing instruments used for education |
| CN209888488U (en) * | 2019-05-07 | 2020-01-03 | 重庆公共运输职业学院 | Portable foldable triangular ruler |
-
2019
- 2019-05-07 CN CN201910377280.0A patent/CN109968874B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7895760B1 (en) * | 2006-12-06 | 2011-03-01 | Bareis Kathryn M | Universal design sheet material holder assembly |
| CN201931860U (en) * | 2011-03-11 | 2011-08-17 | 应慧倩 | Multifunctional folding teaching ruler |
| CN203888466U (en) * | 2014-06-06 | 2014-10-22 | 宁波职业技术学院 | Rotatable straight ruler |
| CN204278856U (en) * | 2014-11-28 | 2015-04-22 | 宁波职业技术学院 | A kind of rotary type ruler |
| CN204451720U (en) * | 2015-01-27 | 2015-07-08 | 韩伯龙 | Teaching set square |
| CN207496337U (en) * | 2017-05-20 | 2018-06-15 | 冯芳伟 | A kind of multi-functional mathematical education set square |
| CN208469406U (en) * | 2018-01-11 | 2019-02-05 | 西京学院 | A kind of multifunctional drawing instruments used for education |
| CN108556529A (en) * | 2018-03-07 | 2018-09-21 | 袁静 | A kind of rectilinear ruler for math teaching equipment |
| CN209888488U (en) * | 2019-05-07 | 2020-01-03 | 重庆公共运输职业学院 | Portable foldable triangular ruler |
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| Publication number | Publication date |
|---|---|
| CN109968874A (en) | 2019-07-05 |
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