CN209888488U - Portable foldable triangular ruler - Google Patents
Portable foldable triangular ruler Download PDFInfo
- Publication number
- CN209888488U CN209888488U CN201920644632.XU CN201920644632U CN209888488U CN 209888488 U CN209888488 U CN 209888488U CN 201920644632 U CN201920644632 U CN 201920644632U CN 209888488 U CN209888488 U CN 209888488U
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- Prior art keywords
- lath
- main board
- magnetic block
- short
- long
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Abstract
A portable foldable triangular ruler comprises a main board, short laths, long laths, a long lath magnetic rotating shaft, a short lath magnetic rotating shaft, a main board first magnetic block and a main board second magnetic block; the novel multifunctional electronic device is characterized in that a handle is arranged on the main board, and a first concave plane, a second concave plane, a main board first magnetic block and a main board second magnetic block are respectively arranged at two ends of the lower surface of the main board; the first magnetic block on the side surface of the short lath is provided with a concave hole; the short strip inclined plane magnetic block and the short strip side surface second magnetic block are arranged on the short strip; the long lath is provided with a long lath end magnetic block, and the long lath end magnetic block is provided with a raised head; the long lath end inclined plane magnetic block and the long lath side magnetic block are arranged on the long lath end inclined plane; the long lath is fixed at one end of the main board by the long lath magnetic rotating shaft; the short lath is fixed at the other end of the main board by the short lath magnetic rotating shaft; the long lath can rotate around the axis of the long lath magnetic rotating shaft fixed on the main board. The utility model realizes multiple purposes.
Description
Technical Field
The utility model relates to a teaching auxiliary tool, concretely relates to portable foldable set square.
Background
Traditional set square for teaching adopts and fixes the lath, form triangle-shaped, if need draw longer continuous straight line in the teaching, carry out the drawing of connected form with traditional set square, be difficult to draw and get to meet the demands, if take a ruler again, can bring inconveniently for the teaching personnel, especially traditional wooden or metal set square is difficult to fix on vertical blank, leads to the demonstration process student of teacher to see clearly completely, hinders the improvement of teaching efficiency and teaching effect.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the prior art, the utility model provides a portable foldable triangular ruler.
The utility model adopts the technical scheme as follows: a portable foldable triangular ruler comprises a main board, short laths, long laths, a long lath magnetic rotating shaft, a short lath magnetic rotating shaft, a main board first magnetic block and a main board second magnetic block; the novel multifunctional electronic device is characterized in that a handle is arranged on the main board, and a first concave plane, a second concave plane, a main board first magnetic block and a main board second magnetic block are respectively arranged at two ends of the lower surface of the main board; the first magnetic block on the side surface of the short lath is provided with a concave hole; the short strip inclined plane magnetic block and the short strip side surface second magnetic block are arranged on the short strip; the long lath is provided with a long lath end magnetic block, and the long lath end magnetic block is provided with a raised head; the long lath end inclined plane magnetic block and the long lath side magnetic block are arranged on the long lath end inclined plane; the long lath is fixed at one end of the main board by the long lath magnetic rotating shaft; the short lath is fixed at the other end of the main board by the short lath magnetic rotating shaft; the long lath can rotate around the axis of the long lath magnetic rotating shaft fixed on the main board; the short laths can rotate around the axes of the short lath magnetic rotating shafts fixed on the main board; when the main board and the short lath long lath are positioned on the same straight line, the long lath end inclined plane magnetic block and the main board first magnetic block are adsorbed together, and the short lath inclined plane magnetic block and the main board second magnetic block are adsorbed together; after the convex head is inserted into the concave hole, the first magnetic block on the side face of the short batten and the magnetic block at the end of the long batten are adsorbed together, the second magnetic block on the side face of the short batten and the second magnetic block of the main board are adsorbed together, and the magnetic block on the side face of the long batten and the first magnetic block of the main board are adsorbed together.
The outer ends of the short lath and the long lath are in a right-angle state, and when the protruding head is inserted into the concave hole and the first magnetic block on the side surface of the short lath and the magnetic block at the end of the long lath are adsorbed together, a right angle is formed between the short lath and the long lath.
After the convex head is inserted into the concave hole, the first magnetic block on the side face of the short batten and the magnetic block at the end of the long batten are adsorbed together, the second magnetic block on the side face of the short batten and the second magnetic block of the main board are adsorbed together, the magnetic block on the side face of the long batten and the first magnetic block of the main board are adsorbed together, and the main board, the short batten and the long batten can form a triangular ruler fixed by a plurality of magnetic blocks; when mainboard, short lath long lath were in a straight line, long lath end inclined plane magnetic path adsorbs together with the first magnetic path of mainboard, and short lath inclined plane magnetic path adsorbs together with mainboard second magnetic path, and mainboard, short lath and long lath can form a ruler fixed by a plurality of magnetic paths.
Adopt the utility model discloses technical scheme has following beneficial effect:
1. the utility model fixes the movable lath by the magnet, the shape of the ruler and the triangular ruler can be conveniently and rapidly changed, and the multifunctional ruler has multiple functions;
2. the utility model realizes the multipurpose of the teaching aid, and is beneficial to the complex drawing demonstration on the vertical board surface;
3. the utility model discloses go up the different positions and be provided with a plurality of magnetic paths, the user can fix with the angle of difference between each part on the blank by the preparation of parent's magnetism metal sheet, carries out more complicated teaching demonstration.
Drawings
Fig. 1 is a bottom perspective view of the present invention (after the protruding head is inserted into the concave hole, the first magnetic block on the side surface 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 surface of the short lath is adsorbed together with the second magnetic block on the main board, the magnetic block on the side surface 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 can form a triangular ruler 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 surface 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 surface of the short lath is adsorbed together with the second magnetic block on the main board, the magnetic block on the side surface 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 can form a state of a triangular ruler fixed by;
fig. 3 is a bottom perspective view of the present invention (when the main board and the short lath long lath are in a straight line, the long lath end inclined plane magnetic block is attracted to the first magnetic block of the main board, the short lath inclined plane magnetic block is attracted to the second magnetic block of the main board, and the main board, the short lath and the long lath form a state of a ruler fixed by a plurality of magnetic blocks);
fig. 4 is a top side perspective view of the present invention (when the main board and the short lath long lath are in a straight line, the long lath end inclined plane magnetic block is attracted to the first magnetic block of the main board, the short lath inclined plane magnetic block is attracted to the second magnetic block of the main board, and the main board, the short lath and the long lath form a state of a ruler fixed by a plurality of magnetic blocks);
in the figure: 10-main board, 11-handle, 12-first concave plane, 13-second concave plane, 20-short lath, 21-first magnet on side surface of short lath, 22-concave hole, 30-long lath, 31-long lath end magnet, 32-convex head, 40-long lath magnetic rotating shaft, 41-long lath end inclined plane magnet, 42-long lath side magnet, 50-short lath magnetic rotating shaft, 51-short lath inclined plane magnet, 52-second magnet on side surface of short lath, 60-first main board magnet, and 70-second main board magnet.
Detailed Description
The invention will be further explained with reference to the following figures and examples: as shown in fig. 1 to 4, a portable foldable triangular ruler 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 portable electronic device 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 of the main board 10; the short lath 20 is provided with a first magnetic block 21 on the side surface of the short lath, and the first magnetic block 21 on the side surface of the short lath is provided with a concave hole 22; a short strip inclined plane magnetic block 51 and a short strip side 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 lath end inclined plane magnetic block 41 and a long lath side 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 lath magnetic rotating shaft 50 fixes the short lath 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 short laths 20 are positioned on the same straight line, the long lath end inclined magnetic block 41 and the main board first magnetic block 60 are adsorbed together, and the short lath inclined magnetic block 51 and the main board second magnetic block 70 are adsorbed together; after the convex head 32 is inserted into the concave hole 22, the first magnetic block 21 on the side surface of the short lath and the magnetic block 31 at the end of the long lath are adsorbed together, the second magnetic block 52 on the side surface of the short lath and the second magnetic block 70 of the main board are adsorbed together, and the magnetic block 42 on the side surface of the long lath and the first magnetic block 60 of the main board are adsorbed together.
The outer ends of the short lath 20 and the long lath 30 are in a right-angle state, and when the protruding head 32 is inserted into the concave hole 22 and the first magnetic block 21 on the side surface of the short lath and the magnetic block 31 on the end of the long lath are adsorbed together, a right angle is formed between the short lath 20 and the long lath 30.
After the convex head 32 is inserted into the concave hole 22, the first magnetic block 21 on the side surface of the short lath and the magnetic block 31 at the end of the long lath are adsorbed together, the second magnetic block 52 on the side surface of the short lath and the second magnetic block 70 of the main board are adsorbed together, the magnetic block 42 on the side surface of the long lath and the first magnetic block 60 of the main board are adsorbed together, and the main board 10, the short lath 20 and the long lath 30 form a triangular ruler fixed by a plurality of magnetic blocks; when the main board 10 and the short laths 20 are in a straight line, the long lath end inclined magnetic block 41 and the main board first magnetic block 60 are attracted together, the short lath inclined magnetic block 51 and the main board second magnetic block 70 are attracted together, and the main board 10, the short laths 20 and the long laths 30 form a ruler fixed by a plurality of magnetic blocks.
The utility model fixes the movable lath by the magnet, the shape of the ruler and the triangular ruler can be conveniently and rapidly changed, and the multifunctional ruler has multiple functions; the utility model realizes the multipurpose of the teaching aid, and is beneficial to the complex drawing demonstration on the vertical board surface; the utility model discloses go up the different positions and be provided with a plurality of magnetic paths, the user can fix with the angle of difference between each part on the blank by the preparation of parent's magnetism metal sheet, carries out more complicated teaching demonstration.
The above-described embodiments of the present invention are intended to illustrate exemplary embodiments of the present invention, and are not intended to limit the embodiments of the present invention. The obvious change mode that is extended by the suggestion of the embodiment of the utility model is still in the middle of the protection scope of the right of the utility model.
Claims (3)
1. A portable foldable triangular ruler comprises a main board (10), short laths (20), long laths (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 switch 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 of the main board; the short lath (20) is provided with a first magnetic block (21) on the side surface of the short lath, and the first magnetic block (21) on the side surface of the short lath is provided with a concave hole (22); a short strip inclined plane magnetic block (51) and a short strip side 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 lath end inclined plane magnetic block (41) and a long lath side magnetic block (42); the long lath (30) is fixed at one end of the main board (10) by the long lath magnetic rotating shaft (40); the short lath (20) is fixed at the other end of the main board (10) by the short lath magnetic rotating shaft (50); 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 axis of a short lath magnetic rotating shaft (50) fixed on the main board (10); when the main board (10) and the short board strip (20) are positioned on the same straight line, the long board strip end inclined magnetic block (41) and the main board first magnetic block (60) are adsorbed together, and the short board strip inclined magnetic block (51) and the main board second magnetic block (70) are adsorbed together.
2. The portable foldable triangular ruler of claim 1, wherein the outer ends of the short lath (20) and the long lath (30) are right-angled, and when the first magnet (21) on the side of the short lath and the magnet (31) on the end of the long lath are attracted together after the protrusion (32) is inserted into the concave hole (22), a right angle is formed between the short lath (20) and the long lath (30).
3. The portable foldable triangular ruler of claim 1, wherein when the protrusion (32) is inserted into the recess (22), the first magnet (21) on the side of the short lath and the magnet (31) at the end of the long lath are attracted together, the second magnet (52) on the side of the short lath and the second magnet (70) on the main board are attracted together, the first magnet (60) on the side of the long lath and the magnet (42) on the side of the main board are attracted together, and the main board (10), the short lath (20) and the long lath (30) form a triangular ruler fixed by a plurality of magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644632.XU CN209888488U (en) | 2019-05-07 | 2019-05-07 | Portable foldable triangular ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920644632.XU CN209888488U (en) | 2019-05-07 | 2019-05-07 | Portable foldable triangular ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209888488U true CN209888488U (en) | 2020-01-03 |
Family
ID=69000404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920644632.XU Expired - Fee Related CN209888488U (en) | 2019-05-07 | 2019-05-07 | Portable foldable triangular ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209888488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968874A (en) * | 2019-05-07 | 2019-07-05 | 重庆公共运输职业学院 | One kind is portable can folding set square |
| CN113752731A (en) * | 2020-06-05 | 2021-12-07 | 樊嘉烨 | A mathematics teaching aid for training of mathematics thinking |
-
2019
- 2019-05-07 CN CN201920644632.XU patent/CN209888488U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968874A (en) * | 2019-05-07 | 2019-07-05 | 重庆公共运输职业学院 | One kind is portable can folding set square |
| CN109968874B (en) * | 2019-05-07 | 2023-12-12 | 重庆公共运输职业学院 | Portable foldable triangular plate |
| CN113752731A (en) * | 2020-06-05 | 2021-12-07 | 樊嘉烨 | A mathematics teaching aid for training of mathematics thinking |
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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: 20200103 Termination date: 20210507 |
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| CF01 | Termination of patent right due to non-payment of annual fee |