CN214492296U - Drawing teaching aid for mathematics - Google Patents
Drawing teaching aid for mathematics Download PDFInfo
- Publication number
- CN214492296U CN214492296U CN202022880817.6U CN202022880817U CN214492296U CN 214492296 U CN214492296 U CN 214492296U CN 202022880817 U CN202022880817 U CN 202022880817U CN 214492296 U CN214492296 U CN 214492296U
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- Prior art keywords
- ruler
- sliding
- teaching aid
- fixedly connected
- sliding block
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a drawing teaching aid for mathematics, which comprises a circular protractor, wherein one side of the circular protractor is rotationally connected with a first ruler through a rotating shaft, one side of the first straight ruler is rotationally connected with a second straight ruler through a rotating shaft, one side of the first straight ruler is provided with a sliding groove, the second ruler is connected with the sliding groove in a sliding way, one side of the first ruler is provided with a drawing piece for drawing circles with different diameters, the drawing teaching aid, the general drawing task can be completed through the circular protractor, the first ruler and the second ruler, and the second ruler can be accommodated in the first ruler through the sliding groove, so that the occupied area of the whole teaching aid is reduced, and through the arranged drawing piece, thereby realize drawing the effect of drawing to the circle of different radiuses, increase the practicality of whole drawing teaching aid, can carry out polygonal drawing, also can carry out circular drawing.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically is a drawing teaching aid is used to mathematics.
Background
The teaching aid is used for explaining models, objects, specimens, instruments, charts, slide shows and the like of certain things, and comprises teaching equipment, teaching instruments, practical training equipment, education equipment, experimental equipment, teaching specimens and the like. The mathematics drawing teaching aid is a tool for demonstration and tutoring teaching in the mathematics classroom teaching, makes knowledge more concrete and visualized, and promotes the ability of students to improve the combination of perception and abstract thinking.
The teaching aid kind is more in current mathematics drawing, for example current patent application number: CN201922066193.1 discloses a mathematics classroom teaching is with drawing teaching aid, and this drawing teaching aid uses through circular volume foot rest, first ruler frame and the cooperation of second ruler frame that is equipped with, can be in order to draw the triangle-shaped of straight line, different angle, also can draw a plurality of concentric circles, but this teaching aid can't satisfy the requirement of drawing the circle of different radiuses for this teaching aid receives the limitation when daily teaching. Therefore, a drawing teaching aid for mathematics is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drawing teaching aid is used to mathematics to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drawing teaching aid for mathematics, includes circular protractor, circular protractor one side is rotated through the pivot and is connected with first ruler, first ruler one side is rotated through the pivot and is connected with the second ruler, open first ruler one side has the sliding tray, the second ruler rotates with the sliding tray to be connected, first ruler one side is equipped with the drawing piece that carries out the drawing to different diameter circles, can accomplish general drawing task through circular protractor, first ruler and the second ruler that are equipped with, and the second ruler can be accomodate to first ruler in through the sliding tray, reduces the area of whole teaching aid.
Preferably, the drawing piece is including setting up the outer rail of slip at first straight rule outer wall, the inside sliding connection of outer rail that slides has the sliding block, the pen frame is put to sliding block one side fixedly connected with, be equipped with in the sliding block and carry out spacing locating part to putting pen frame position, first straight rule one side is equipped with and carries out the piece of placing putting the pen frame, through the drawing piece that is equipped with to the realization carries out the effect of drawing to the circle of different radiuses, increases the practicality of whole drawing teaching aid, can carry out polygonal drawing, also can carry out circular drawing.
Preferably, the limiting part comprises a limiting groove arranged inside a sliding block, a sliding rod is connected inside the limiting groove in a sliding manner, a pressing block is fixedly connected to one side of the sliding rod, two sets of moving blocks are connected to two sides of the sliding rod in a sliding manner, a moving groove is formed in the bottom of the sliding block, wedge-shaped grooves are formed right opposite to two sides of the moving block by the sliding block, the moving blocks are connected with the sliding block in a sliding manner, an extrusion ball is connected between the two moving blocks in a sliding manner and is fixedly connected with the sliding rod, compression springs are sleeved on two sides of the sliding rod in a sliding manner, a fixing plate is fixedly connected to one side of one of the compression springs, one side of the fixing plate is fixedly connected with the inner wall of the sliding block, and one side of the other compression spring is fixedly connected with the inner wall of the sliding block close to one side of the pressing block, so that the adjusting effect on the position of the pen placing frame is realized through the limiting part, thereby realizing the drawing of circles with different radiuses.
Preferably, place the piece including setting up the frame of placing in first straight rule one side, place frame one side and rotate with first straight rule through the pivot and be connected, through the piece of placing that is equipped with to the effect of placing of putting the pen frame when realizing idle, make the better absorption of teaching aid on the blackboard.
Preferably, the circular protractor centre of a circle department is through connecting rod fixedly connected with chassis, chassis one side is seted up flutedly, fixedly connected with magnet in the recess, and circular protractor one side has seted up the hole groove, hole inslot fixedly connected with iron wire is through chassis, magnet, the iron wire that is equipped with to realize the effect of accomodating of whole teaching aid, can be fixed teaching aid and blackboard through magnet, better operation during the messenger drawing, the iron wire can hang the teaching aid on the wall, is convenient for collect and take.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a circular protractor that is equipped with, general polygon drawing task can be accomplished to first ruler and second ruler, drawing piece through being equipped with, thereby realize the drawing of circle, increase the application scope of this teaching aid, locating part through being equipped with, thereby realize changing and spacing to the position of putting the pen frame, thereby realize the drawing to different radial circles, and easy operation, can realize the change to putting the pen frame position through pressing down the press block, through the placing member that is equipped with, thereby realize the placing effect of putting the pen frame to the idle, do not influence the normal use of first ruler, this teaching aid can adsorb with the blackboard through magnet, reduce the condition of drawing in-process skew, and the accessible iron wire hangs this teaching aid to the wall, be convenient for accomodate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a rear view of the structure of the present invention;
FIG. 3 is a top cross-sectional view of the drawing member configuration;
FIG. 4 is a side view of the first ruler.
In the figure: 1-a circular protractor; 2-a first straightedge; 3-a second straightedge; 4-a sliding groove; 5-drawing element; 6-sliding the outer rail; 7-a sliding block; 8-placing the pen frame; 9-a limiting member; 10-a placement member; 11-a slide bar; 12-pressing block; 13-a moving block; 14-squeeze ball; 15-compression spring; 16-a fixed plate; 17-placing a frame; 18-a connecting rod; 19-a chassis; 20-magnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a drawing teaching aid for mathematics, includes circular protractor 1, 1 one side of circular protractor is connected with first ruler 2 through the pivot rotation, 2 one sides of first ruler are connected with second ruler 3 through the pivot rotation, and first ruler 2 rotates respectively through pivot and circular protractor 1, second ruler 3 to be connected, changes the angle according to the angle registration on the circular protractor 1 when conveniently drawing, 2 one sides of first ruler are opened there is sliding tray 4, second ruler 3 rotates with sliding tray 4 to be connected, can accomodate second ruler 3 to the sliding tray 4 of first ruler 2 in, be convenient for accomodate.
A drawing part 5 for drawing circles with different diameters is arranged on one side of the first straight ruler 2, the drawing part 5 comprises a sliding outer rail 6 arranged on the outer wall of the first straight ruler 2, a sliding block 7 is connected inside the sliding outer rail 6 in a sliding manner, a pen placing frame 8 is fixedly connected to one side of the sliding block 7, a limiting part 9 for limiting the position of the pen placing frame 8 is arranged in the sliding block 7, the limiting part 9 comprises a limiting groove arranged inside the sliding block 7, a sliding rod 11 is connected inside the limiting groove in a sliding manner, a pressing block 12 is fixedly connected to one side of the sliding rod 11, two groups of moving blocks 13 are connected to two sides of the sliding rod 11 in a sliding manner, a moving groove is formed in the bottom of the sliding block 7, sliding block wedge grooves are formed in two sides, opposite to the moving blocks 13, and the moving blocks 13 are connected with the sliding block 7 in a sliding manner;
an extrusion ball 14 is connected between the two moving blocks 13 in a sliding manner, the extrusion ball 14 is fixedly connected with a sliding rod 11, two sides of the sliding rod 11 are both slidably sleeved with compression springs 15, one side of one compression spring 15 is fixedly connected with a fixed plate 16, one side of the fixed plate 16 is fixedly connected with the inner wall of the sliding block 7, circular hole grooves are formed in the inner walls of the fixed plate 16 and the sliding block 7, the sliding rod 11 is slidably connected with the fixed plate 16, one side of the other compression spring 15 is fixedly connected with the inner wall of the sliding block 7 close to one side of the pressing block 12, the extrusion ball 14 extrudes the moving blocks 13 at two sides when no external force is applied, the moving blocks 13 slide out of the wedge grooves and abut against the sliding outer rail 6, so that the sliding block 7 is fixed, when the pressing block 12 is pressed, the sliding rod 11 slides, the two compression springs 15 compress, and the extrusion ball 14 slides out from between the moving blocks 13, that is, the pressing force on the moving block 13 disappears, the pressing force on the sliding outer rail 6 by the moving block 13 disappears, and the position of the pen placing frame 8 can be changed by pushing the sliding block 7.
1 centre of a circle department of circular protractor is through connecting rod 18 fixedly connected with chassis 19, 19 one side on the chassis is seted up flutedly, fixedly connected with magnet 20 in the recess, and 1 one side of circular protractor has seted up the hole groove, the hole inslot fixedly connected with iron wire can be fixed whole teaching aid on the blackboard through magnet 20, and the slip phenomenon appears when preventing to draw on the blackboard, can hang whole teaching aid to the wall through the iron wire on, takes again during the use, does not occupy the teaching space.
The working principle is as follows: when the drawing teaching aid for mathematics is used, a general polygon drawing task can be completed through the arranged circular protractor 1, the first straight ruler 2 and the second straight ruler 3, when the drawing teaching aid is idle or only performs common measurement work, the second straight ruler 3 is rotated to be accommodated in the sliding groove 4 of the first straight ruler 2, the occupied area of the teaching aid is reduced, the sliding block is slid into the placing frame, the placing frame is rotated 180 degrees to form a 180-degree angle with the first straight ruler, drawing work is easier to perform, and when a polygon drawing task with a larger size is performed, the second straight ruler 3 is matched with the first straight ruler 2 to complete; when drawing circles or arcs with different radiuses, putting the chalk into the pen placing frame 8, normally, the extrusion ball 14 is extruded between the two moving blocks 13, so that the two moving blocks 13 slide out of the wedge-shaped groove and abut against the sliding outer rail 6, when the radius of the circle needs to be changed, the pressing block 12 is pressed, the two compression springs 15 are all contracted to drive the sliding rod 11 to slide, the extrusion ball 14 is moved out of the two moving blocks 13, the extrusion force on the moving blocks 13 disappears, and the sliding block 7 changes the radius of the circle.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a drawing teaching aid for mathematics, includes circular protractor (1), circular protractor (1) one side is rotated through the pivot and is connected with first ruler (2), first ruler (2) one side is rotated through the pivot and is connected with second ruler (3), its characterized in that: one side of the first ruler (2) is provided with a sliding groove (4), the second ruler (3) is rotatably connected with the sliding groove (4), and one side of the first ruler (2) is provided with drawing pieces (5) for drawing circles with different diameters.
2. A drawing teaching aid for mathematics as claimed in claim 1, wherein: drawing piece (5) are including setting up slip outer rail (6) at first ruler (2) outer wall, the inside sliding connection of slip outer rail (6) has sliding block (7), sliding block (7) one side fixedly connected with puts pen frame (8), be equipped with in sliding block (7) and carry out spacing locating part (9) to putting pen frame (8) position, first ruler (2) one side is equipped with places piece (10) that place putting pen frame (8).
3. A drawing teaching aid for mathematics as claimed in claim 2, wherein: the limiting part (9) comprises a limiting groove arranged inside a sliding block (7), a sliding rod (11) is connected inside the limiting groove in a sliding manner, a pressing block (12) is fixedly connected to one side of the sliding rod (11), two groups of moving blocks (13) are connected to two sides of the sliding rod (11) in a sliding manner, a moving groove is formed in the bottom of the sliding block (7), the sliding block (7) is just opposite to two sides of the moving blocks (13) and is provided with a wedge-shaped groove, the moving blocks (13) are connected with the sliding block (7) in a sliding manner, a squeezing ball (14) is connected between the two moving blocks (13) in a sliding manner, the squeezing ball (14) is fixedly connected with the sliding rod (11), compression springs (15) are sleeved on two sides of the sliding rod (11) in a sliding manner, one compression spring (15) is fixedly connected with a fixing plate (16), and one side of the fixing plate (16) is fixedly connected with the inner wall of the sliding block (7), one side of the other compression spring (15) is fixedly connected with the inner wall of the sliding block (7) close to one side of the pressing block (12).
4. A drawing teaching aid for mathematics as claimed in claim 3, wherein: the placing piece (10) comprises a placing frame (17) arranged on one side of the first straight ruler (2), and one side of the placing frame (17) is rotatably connected with the first straight ruler (2) through a rotating shaft.
5. A drawing teaching aid for mathematics as claimed in claim 1, wherein: the round protractor is characterized in that a circle center of the round protractor (1) is fixedly connected with a chassis (19) through a connecting rod (18), one side of the chassis (19) is provided with a groove, the groove is internally and fixedly connected with a magnet (20), a hole groove is formed in one side of the round protractor (1), and an iron wire is fixedly connected with the hole groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880817.6U CN214492296U (en) | 2020-12-03 | 2020-12-03 | Drawing teaching aid for mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022880817.6U CN214492296U (en) | 2020-12-03 | 2020-12-03 | Drawing teaching aid for mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214492296U true CN214492296U (en) | 2021-10-26 |
Family
ID=78206979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022880817.6U Expired - Fee Related CN214492296U (en) | 2020-12-03 | 2020-12-03 | Drawing teaching aid for mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214492296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113838345A (en) * | 2021-11-16 | 2021-12-24 | 九江学院 | Mathematical modeling teaching aid |
| CN114228374A (en) * | 2022-01-20 | 2022-03-25 | 重庆对外经贸学院 | Convenient drawing device for mathematical teaching and use method thereof |
-
2020
- 2020-12-03 CN CN202022880817.6U patent/CN214492296U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113838345A (en) * | 2021-11-16 | 2021-12-24 | 九江学院 | Mathematical modeling teaching aid |
| CN114228374A (en) * | 2022-01-20 | 2022-03-25 | 重庆对外经贸学院 | Convenient drawing device for mathematical teaching and use method thereof |
| CN114228374B (en) * | 2022-01-20 | 2023-12-26 | 重庆对外经贸学院 | Convenient drawing device for mathematical education and application method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |