CN112192977A - Variable triangular multifunctional teaching ruler - Google Patents
Variable triangular multifunctional teaching ruler Download PDFInfo
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- CN112192977A CN112192977A CN202011186631.9A CN202011186631A CN112192977A CN 112192977 A CN112192977 A CN 112192977A CN 202011186631 A CN202011186631 A CN 202011186631A CN 112192977 A CN112192977 A CN 112192977A
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- ruler
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- color bar
- teaching
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- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- 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
- B43L7/12—Square and pivoted straightedges
-
- 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
- B43L7/14—Square and sliding straight edges
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a variable triangular multifunctional teaching ruler, which comprises a first ruler, a second ruler, an adjusting ruler, a height indicating ruler and an adjusting part, wherein the first ruler is movably connected with the second ruler, the second ruler is movably connected with the adjusting ruler, the height indicating ruler is movably connected with the first ruler, the adjusting part is fixedly connected with the first ruler, the first ruler is provided with a first color bar, the second ruler is provided with a second color bar, the adjusting ruler is provided with a third color bar and a slide rail, the height indicating ruler is provided with a fourth color bar, the adjusting part is arranged in the slide rail, the first color bar, the second color bar and the third color bar form a triangle, the fourth color bar can be crossed with the third color bar, so that students can understand the knowledge content of the triangle comprehensively and vividly, and students can also operate manually to sense the structural change of the triangle from space, effectively help teachers' teaching and students to quickly understand and memorize related knowledge points.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to a variable triangular multifunctional teaching ruler.
Background
The teaching ruler is an indispensable auxiliary tool in teaching at present, teachers often draw pictures to help students understand problems during teaching, the high-efficiency teaching ruler is not only convenient for teachers to use, but also can save time in teaching, in the mathematical teaching of primary schools, different triangles are required to be drawn on a blackboard for showing teaching, the existing teaching ruler can not demonstrate triangles such as right-angled triangles, acute-angled triangles and obtuse-angled triangles which are changed randomly, can not simply and clearly show the size relation and the perimeter of each side of the triangle, can not clearly and visually show the height and the height of the triangle, is not beneficial to students to comprehensively and vividly understanding the knowledge content of the triangle, can not be manually operated by the students, can not help the students to effectively understand and remember related knowledge points by sensing the structural change of the triangle from space, and is inconvenient to carry.
Disclosure of Invention
In order to solve the problems, the invention provides a variable triangular multifunctional teaching ruler.
The invention is realized by the following technical scheme:
the invention provides a variable triangular multifunctional teaching ruler which comprises a first ruler, a second ruler, an adjusting ruler, a height indicating ruler and an adjusting part, wherein the first ruler is movably connected with the second ruler, the second ruler is movably connected with the adjusting ruler, the height indicating ruler is movably connected with the first ruler, the adjusting part is fixedly connected with the first ruler, the first ruler is provided with a first color bar, the second ruler is provided with a second color bar, the adjusting ruler is provided with a third color bar and a sliding rail, the height indicating ruler is provided with a fourth color bar, the adjusting part is installed in the sliding rail, the first color bar, the second color bar and the third color bar form a triangle, and the fourth color bar can be intersected with the third color bar.
Further, multi-functional teaching ruler of variable triangle-shaped is tied including the installation, first ruler is equipped with first mounting hole, the second ruler is equipped with the second mounting hole, the height indicating chi is equipped with the third mounting hole, the installation is tied and is run through first mounting hole the second mounting hole with the third mounting hole makes first ruler the second ruler with height indicating chi swing joint.
Further, multi-functional teaching ruler of variable triangle-shaped includes the gim peg, the second ruler is equipped with first fixed orifices, it is equipped with the second fixed orifices to adjust the chi, the gim peg inserts first fixed orifices with the second fixed orifices makes the second ruler with adjust chi swing joint.
Further, first ruler is equipped with first scale mark, the second ruler is equipped with the second scale mark, it is equipped with the third scale mark to adjust the chi, it is equipped with the fourth scale mark to show the height chi, first scale mark can be measured the size of first colour bar, the second scale mark can be measured the size of second colour bar, the third scale mark can be measured the size of third colour bar, the fourth scale mark can be measured the size of fourth colour bar.
Further, the height indicating ruler is provided with a circular groove, the fixing bolt is provided with a fixing disc, a bolt column and a separation blade, the fixing disc is fixedly connected with the bolt column, the bolt column is fixedly connected with the separation blade, the fixing disc can be clamped with the circular groove, and the separation blade is installed between the second ruler and the adjusting ruler.
Furthermore, the adjusting part is provided with a slip sheet, a pull ring and an inserting column, the first straight ruler is provided with a jack, the inserting column penetrates through the jack, the slip sheet is fixedly connected with the inserting column, the pull ring is fixedly connected with the inserting column, and the slip sheet is movably arranged in the slide rail.
Furthermore, the adjusting ruler is provided with a first mark, a second mark, a third mark, a fourth mark and a fifth mark, and the first mark, the second mark, the third mark, the fourth mark and the fifth mark are used for sliding adjustment of the first straight ruler.
Further, the first color bar, the second color bar, the third color bar and the fourth color bar are different in color.
Further, the first ruler, the second ruler, the adjusting ruler and the height indicating ruler can be overlapped together to form a ruler structure.
Furthermore, the first ruler slides on the adjusting ruler, so that the shape of the variable triangular multifunctional teaching ruler can be adjusted.
The invention has the beneficial effects that:
the multifunctional teaching ruler with the variable triangle, which is provided by the invention, adopts the structures of the first ruler, the second ruler, the adjusting ruler and the height indicating ruler, can help teachers to intuitively explain the triangle structure to students, can be converted into a right triangle, an obtuse triangle and an acute triangle through the first ruler, the second ruler and the adjusting ruler, can intuitively display the size relation and the perimeter of different sides of the triangle through the first color bar, the second color bar and the third color bar, clearly and intuitively display the height and the height of different triangles through the height indicating ruler and the fourth color bar, is beneficial to the students to comprehensively and vividly understand the knowledge content of the triangle, can be manually operated by students, can effectively help teachers' teaching and students to quickly understand and memorize related knowledge points through sensing the structural change of the triangle from space, and can be combined and overlapped into a ruler structure, is convenient for storage and carrying.
Drawings
Fig. 1 is a perspective view of a variable triangular multifunctional teaching ruler according to the present invention.
Detailed Description
In order to more clearly and completely describe the technical scheme of the invention, the invention is further described with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides a variable triangular multifunctional teaching ruler, which comprises a first ruler 1, a second ruler 2, an adjusting ruler 3, a height indicating ruler 4 and an adjusting part 7, the first ruler 1 is movably connected with the second ruler 2, the second ruler 2 is movably connected with the adjusting ruler 3, the height indicating ruler 4 is movably connected with the first straight ruler 1, the adjusting part 7 is fixedly connected with the first straight ruler 1, the first ruler 1 is provided with a first color stripe 9, the second ruler 2 is provided with a second color stripe 13, the adjusting ruler 3 is provided with a third color bar 17 and a slide rail 19, the height indicating ruler 4 is provided with a fourth color bar 22, the adjusting part 7 is installed in the slide rail 19, the first color bar 9, the second color bar 13 and the third color bar 17 form a triangle, and the fourth color bar 22 can intersect with the third color bar 17; the variable triangular multifunctional teaching ruler comprises a mounting bolt 6, wherein a first mounting hole 10 is formed in the first ruler 1, a second mounting hole 14 is formed in the second ruler 2, a third mounting hole 20 is formed in the height indicating ruler 4, and the mounting bolt 6 penetrates through the first mounting hole 10, the second mounting hole 14 and the third mounting hole 20, so that the first ruler 1, the second ruler 2 and the height indicating ruler 4 are movably connected; the variable triangular multifunctional teaching ruler comprises a fixing bolt 5, the second ruler 2 is provided with a first fixing hole 15, the adjusting ruler 3 is provided with a second fixing hole 16, and the fixing bolt 5 is inserted into the first fixing hole 15 and the second fixing hole 16, so that the second ruler 2 is movably connected with the adjusting ruler 3; the first ruler 1 is provided with a first scale mark 8, the second ruler 2 is provided with a second scale mark 12, the adjusting ruler 3 is provided with a third scale mark 18, the height indicating ruler 4 is provided with a fourth scale mark 21, the first scale mark 8 can measure the size of the first color bar 9, the second scale mark 12 can measure the size of the second color bar 13, the third scale mark 18 can measure the size of the third color bar 17, and the fourth scale mark 21 can measure the size of the fourth color bar 22; the height indicating ruler 4 is provided with a round groove 23, the fixing bolt 5 is provided with a fixing disc 24, a bolt column 25 and a blocking piece 26, the fixing disc 24 is fixedly connected with the bolt column 25, the bolt column 25 is fixedly connected with the blocking piece 26, the fixing disc 24 can be clamped with the round groove 23, and the blocking piece 26 is installed between the second ruler 2 and the adjusting ruler 3; the adjusting portion 7 is provided with a sliding piece 27, a pull ring 28 and an inserting column 29, the first ruler 1 is provided with an inserting hole 11, the inserting column 29 penetrates through the inserting hole 11, the sliding piece 27 is fixedly connected with the inserting column 29, the pull ring 28 is fixedly connected with the inserting column 29, and the sliding piece 27 is movably installed in the sliding rail 19; the adjusting ruler 3 is provided with a first mark 30, a second mark 31, a third mark 32, a fourth mark 33 and a fifth mark 34, and the first mark 30, the second mark 31, the third mark 32, the fourth mark 33 and the fifth mark 34 are used for sliding adjustment of the first straight ruler 1; the first color bar 9, the second color bar 13, the third color bar 17, and the fourth color bar 22 are different in color; the first ruler 1, the second ruler 2, the adjusting ruler 3 and the height indicating ruler 4 can be overlapped together to form a ruler structure; the first ruler 1 slides on the adjusting ruler 3, and the shape of the variable triangular multifunctional teaching ruler can be adjusted.
In this embodiment, the first ruler 1, the second ruler 2 and the adjusting ruler 3 form a triangle which can be movably changed, one end of the first ruler 1 is movably connected with the second ruler 2 and the height indicating ruler 4 and can rotate along the mounting bolt 6, the second ruler 2 and the adjusting ruler 3 form a movable connection through the fixing bolt 5, the second ruler 2 and the adjusting ruler 3 can rotate along the fixing shaft, the first ruler 1 and the adjusting ruler 3 form a movable connection through the adjusting part 7, the adjusting part 7 can slide along the slide rail 19 through the slide sheet 27, so as to drive one end of the first ruler 1 to slide, so that the first ruler 1, the second ruler 2 and the adjusting ruler 3 can be changed to form a right triangle, an obtuse triangle or an acute triangle, after the height indicating ruler 4 is adjusted to the position vertical to the adjusting ruler 3, the height of a triangle formed by the first straight ruler 1, the second straight ruler 2 and the adjusting ruler 3 can be visually displayed.
In this embodiment, the first scale mark 8 can display the length of the first color bar 9, the second scale mark 12 can display the length of the second color bar 13, the third scale mark 18 can display the length of the third color bar 17, the fourth scale mark 21 can display the length of the fourth color bar 22, a teacher can directly display each side length of a triangle formed by the first color bar 9, the second color bar 13 and the third color bar 17 and the height length displayed by the fourth color bar 22, and the colors of the first color bar 9, the second color bar 13, the third color bar 17 and the fourth color bar 22 are different, so that the student can more easily understand the relationship of different sides, and can clearly view the position relationship between the heights of different triangles and the position relationship between triangles, and the triangle is higher than the triangle; the acute angle triangle is higher in the triangle; the height of the right triangle overlaps the sides.
In this embodiment, the first ruler 1 is movably connected to the second ruler 2 at one end, the second ruler 2 is installed above the first ruler 1, the second ruler 2 is movably connected to the adjusting ruler 3 at one end, the second ruler 2 is installed above the adjusting ruler 3, the baffle is fixedly installed between the second ruler 2 and the adjusting ruler 3, the height indicator 4 is movably connected to the second ruler 2, and the height indicator 4 is installed above the second ruler 2, so that the first ruler 1, the second ruler 2, the adjusting ruler 3 and the height indicator 4 can be stored and overlapped to form a ruler structure, when the variable triangle multifunctional teaching ruler is to be overlapped, the adjusting part 7 is slid to make the first ruler 1 and the adjusting ruler 3 coincide, at this moment adjust chi 3 with second ruler 2 will 1 centre gripping of first ruler is in the centre, because the baffle sets up second ruler 2 with adjust between the chi 3, make second ruler 2 with the distance of adjusting 3 intervals of chi just can with first ruler 1 is accomodate, at this moment, adjust chi 3 first ruler 1 with second ruler 2 overlaps and becomes the ruler structure, readjusts height indicator 4 makes height indicator 4 with second ruler 2 overlaps, the fixed disk 24 inserts in the circular slot 23, make height indicator 4 with second ruler 2 forms the block and connects, the multi-functional teaching ruler of variable triangle-shaped is accomodate for the ruler structure, and the teacher of being convenient for or the student carry.
In this embodiment, first sign 30 is blunt, second sign 31 is the obtuse angle, the third is the right angle, fourth sign 33 is the acute angle, fifth sign 34 is sharp, arranges from left to right in proper order on adjusting chi 3, first sign 30 with fifth sign 34 is the head and the tail both ends, the obtuse angle sign is the obtuse angle region, works as when regulating part 7 slides including, triangle-shaped that can audio-visual demonstration this moment is obtuse triangle-shaped, the acute angle sign is the acute angle region, triangle-shaped that can audio-visual demonstration this moment is acute triangle-shaped, the right angle sign is right angled triangle-shaped, the student can be according to first sign 30 second sign 31 third sign 32 fourth sign 33 with the triangle-shaped type is clearly judged to fifth sign 34, and the mr of being convenient for imparts knowledge to students.
In this embodiment, the multi-functional teaching ruler of variable triangle-shaped not only can regard as the teaching aid that mr's teaching show was used, can also regard as the learning aid that the student studied, and mr can adjust the study in the classroom with the student in step, from the triangle-shaped structural change of space perception, effectively helps mr's teaching and the quick understanding of student and the relevant knowledge point of memory.
In the present embodiment, the variable triangle multifunctional teaching ruler can be used in combination with other teaching tools, such as a protractor and a compass, the protractor is mounted at the position of the adjusting part 7 to measure the angle of the triangle, the fixing pin of the compass is structured with the fixing bolt 5, and the adjusting part 7 is used as a drawing pin to clearly display the radius of the circle and show the relation between the triangle and the circle.
Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a multi-functional teaching chi of variable triangle-shaped, a serial communication port, multi-functional teaching chi of variable triangle-shaped includes first ruler, second ruler, adjusts chi, height indicating chi and regulation portion, first ruler with second ruler swing joint, the second ruler with adjust chi swing joint, height indicating chi with first ruler swing joint, regulation portion with first ruler fixed connection, first ruler is equipped with first colour bar, the second ruler is equipped with the second colour bar, it is equipped with third colour bar and slide rail to adjust the chi, height indicating chi is equipped with the fourth colour bar, the regulation portion is installed in the slide rail, first colour bar the second colour bar with a triangle-shaped is constituteed to the third colour bar, the fourth colour bar can with the third colour bar is crossing.
2. The variable triangular multifunctional teaching ruler according to claim 1, wherein the variable triangular multifunctional teaching ruler comprises a mounting bolt, the first straight ruler is provided with a first mounting hole, the second straight ruler is provided with a second mounting hole, the height indicating ruler is provided with a third mounting hole, and the mounting bolt penetrates through the first mounting hole, the second mounting hole and the third mounting hole to enable the first straight ruler, the second straight ruler and the height indicating ruler to be movably connected.
3. The variable triangular multifunctional teaching ruler according to claim 1, wherein the variable triangular multifunctional teaching ruler comprises a fixing bolt, the second ruler is provided with a first fixing hole, the adjusting ruler is provided with a second fixing hole, and the fixing bolt is inserted into the first fixing hole and the second fixing hole, so that the second ruler and the adjusting ruler are movably connected.
4. The variable triangular multifunctional teaching ruler according to claim 1, wherein the first ruler is provided with a first scale mark, the second ruler is provided with a second scale mark, the adjusting ruler is provided with a third scale mark, the height indicating ruler is provided with a fourth scale mark, the first scale mark can measure the size of the first color bar, the second scale mark can measure the size of the second color bar, the third scale mark can measure the size of the third color bar, and the fourth scale mark can measure the size of the fourth color bar.
5. The variable triangular multifunctional teaching ruler according to claim 3, wherein the height indicating ruler is provided with a circular groove, the fixing bolt is provided with a fixing disc, a bolt column and a blocking piece, the fixing disc is fixedly connected with the bolt column, the bolt column is fixedly connected with the blocking piece, the fixing disc can be clamped with the circular groove, and the blocking piece is installed between the second ruler and the adjusting ruler.
6. The variable triangular multifunctional teaching ruler according to claim 1, wherein the adjusting part is provided with a sliding piece, a pull ring and an inserting column, the first straight ruler is provided with a jack, the inserting column penetrates through the jack, the sliding piece is fixedly connected with the inserting column, the pull ring is fixedly connected with the inserting column, and the sliding piece is movably installed in the sliding rail.
7. The variable triangular multifunctional teaching ruler according to claim 1, wherein the adjusting ruler is provided with a first mark, a second mark, a third mark, a fourth mark and a fifth mark, and the first mark, the second mark, the third mark, the fourth mark and the fifth mark are used for sliding adjustment of the first straight ruler.
8. The variable triangular multi-function teaching ruler of claim 1, wherein the first, second, third and fourth color bars are different colors.
9. The variable triangular multi-function teaching ruler of claim 1, wherein the first ruler, the second ruler, the adjusting ruler and the height indicating ruler can be overlapped together to form a ruler structure.
10. The variable triangular multi-function teach pendant of claim 1 wherein the first ruler slides on the adjustment ruler to enable adjustment of the shape of the variable triangular multi-function teach pendant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186631.9A CN112192977A (en) | 2020-10-29 | 2020-10-29 | Variable triangular multifunctional teaching ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186631.9A CN112192977A (en) | 2020-10-29 | 2020-10-29 | Variable triangular multifunctional teaching ruler |
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| Publication Number | Publication Date |
|---|---|
| CN112192977A true CN112192977A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011186631.9A Pending CN112192977A (en) | 2020-10-29 | 2020-10-29 | Variable triangular multifunctional teaching ruler |
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| CN (1) | CN112192977A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2061721U (en) * | 1990-01-18 | 1990-09-05 | 包盛如 | Teaching appliance for geometry |
| CN2290090Y (en) * | 1996-12-23 | 1998-09-02 | 周旭 | Multipurpose geometric ruler |
| CN202480692U (en) * | 2012-03-15 | 2012-10-10 | 曲麟昌 | Multifunctional triangular ruler |
| CN103688131A (en) * | 2011-01-18 | 2014-03-26 | R·K·斯瓦密 | Multipurpose instrument for triangle solutions, measurement and geometrical applications called tri-meters |
| CN205344247U (en) * | 2015-12-22 | 2016-06-29 | 刘凤田 | Junior high school mathematics teaching aid |
| CN213705016U (en) * | 2020-10-29 | 2021-07-16 | 刘晓锴 | Variable triangular multifunctional teaching ruler |
-
2020
- 2020-10-29 CN CN202011186631.9A patent/CN112192977A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2061721U (en) * | 1990-01-18 | 1990-09-05 | 包盛如 | Teaching appliance for geometry |
| CN2290090Y (en) * | 1996-12-23 | 1998-09-02 | 周旭 | Multipurpose geometric ruler |
| CN103688131A (en) * | 2011-01-18 | 2014-03-26 | R·K·斯瓦密 | Multipurpose instrument for triangle solutions, measurement and geometrical applications called tri-meters |
| CN202480692U (en) * | 2012-03-15 | 2012-10-10 | 曲麟昌 | Multifunctional triangular ruler |
| CN205344247U (en) * | 2015-12-22 | 2016-06-29 | 刘凤田 | Junior high school mathematics teaching aid |
| CN213705016U (en) * | 2020-10-29 | 2021-07-16 | 刘晓锴 | Variable triangular multifunctional teaching ruler |
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