CN211592011U - Novel supplementary mathematics teaching aid of drawing vertical line - Google Patents
Novel supplementary mathematics teaching aid of drawing vertical line Download PDFInfo
- Publication number
- CN211592011U CN211592011U CN202020217726.1U CN202020217726U CN211592011U CN 211592011 U CN211592011 U CN 211592011U CN 202020217726 U CN202020217726 U CN 202020217726U CN 211592011 U CN211592011 U CN 211592011U
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- CN
- China
- Prior art keywords
- teaching aid
- mathematics teaching
- slide rail
- supplementary
- ruler
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- Expired - Fee Related
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- 239000003292 glue Substances 0.000 claims abstract description 18
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect 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 novel supplementary mathematics teaching aid of vertical line of drawing, including mathematics teaching aid ruler and slide rail, the upper end of mathematics teaching aid ruler is run through and is provided with the slide rail, and glue fixedly connected with right-angle side is passed through to one side of mathematics teaching aid ruler, and glue fixedly connected with scale mark is passed through in the front of mathematics teaching aid ruler, and the upper end of slide rail is run through and is provided with supplementary pen container, and glue fixedly connected with pencil tube is passed through at the middle part of supplementary pen container, and the outer wall of pencil tube closely laminates there is the cortex, and the lower extreme of supplementary pen container runs through. This mathematics teaching aid passes through glue fixedly connected with right angle limit in one side of mathematics teaching aid ruler, and the right angle limit is 90 degrees with the contained angle that mathematics teaching aid ruler formed, and the slide rail on the right angle limit also is 90 degrees with the contained angle that the slide rail on the mathematics teaching aid ruler formed, through the right angle limit cooperation mathematics teaching aid ruler can be convenient the drawing right angle.
Description
Technical Field
The utility model belongs to the technical field of the mathematics teaching aid, specifically be a novel supplementary mathematics teaching aid of drawing vertical line.
Background
In the life, teacher of school all can use some teaching aids in the teaching to reach the purpose of supplementary teacher's teaching, these teaching aid functions differ, and every teaching aid all has characteristics and effect of oneself, for example the compasses can be drawn the circle, and the abacus can calculate the number of calculations, and the scale can measure proportion etc. but the teacher does not operate well when drawing vertical line again.
But the right angle of drawing that current mathematics teaching aid can not be accurate, and current mathematics teaching aid is not easy to operate, needs to hold the teaching aid by one hand the chalk when mr uses, and current mathematics teaching aid is with the inconvenient supplementary drawing of shorter chalk when using.
Therefore, how to design a novel mathematics teaching aid for assisting in drawing vertical lines becomes a problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel supplementary mathematics teaching aid of vertical line of drawing to propose the drawing right angle that can not be accurate in solving above-mentioned background art, do not operate well, with the inconvenient supplementary problem of drawing of shorter chalk when using.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel supplementary mathematics teaching aid of vertical line of drawing, includes mathematics teaching aid ruler and slide rail, the upper end of mathematics teaching aid ruler is run through and is provided with the slide rail, glue fixedly connected with right angle limit is passed through to one side of mathematics teaching aid ruler, glue fixedly connected with scale mark is passed through in the front of mathematics teaching aid ruler, the upper end of slide rail is run through and is provided with supplementary pen container, glue fixedly connected with pencil tube is passed through at the middle part of supplementary pen container, the outer wall of pencil tube closely laminates there is the cortex, the lower extreme of supplementary pen container runs through and is provided with the slider, the upper end of supplementary pen container is rotated and is connected with the pen cap, glue fixedly connected with expanding spring is passed.
Further, the contained angle that right-angle side and mathematics teaching aid ruler formed is 90 degrees, and the contained angle that slide rail on the right-angle side and the slide rail on the mathematics teaching aid ruler formed also is 90 degrees.
Further, the middle of the sliding block on the auxiliary pen container is hollowed, the hollowed size of the sliding block is equal to the hollowed size of the middle of the pen container, and the sliding block and the sliding rail are matched with each other.
Further, the height of the pen cap is 3 cm shorter than the length of the telescopic spring, and the diameter of the pen cap is equal to that of the sliding block.
Further, the cortex is the rubber cortex, and the surface tiling of cortex is provided with a plurality of little contacts.
Furthermore, the height of the slide rail is equal to that of the right-angle side.
Further, one side of the telescopic spring extends to the inside of the pen tube.
Compared with the prior art, the beneficial effects of the utility model are that:
this mathematics teaching aid, through glue fixedly connected with right angle limit in one side of mathematics teaching aid ruler, the right angle limit is 90 degrees with the contained angle that mathematics teaching aid ruler formed, and the slide rail on the right angle limit also is 90 degrees with the contained angle that the slide rail on the mathematics teaching aid ruler formed, through the right angle limit cooperation mathematics teaching aid ruler can be convenient the drawing right angle, when the mr in drawing, put the chalk in supplementary pen container earlier, hug closely the mathematics teaching aid on the blackboard again, the reuse supplementary pen container is along with the right angle department removal of slide rail, drawing right angle that can be accurate, the problem of the right angle of drawing that current mathematics teaching aid can not be accurate has been solved.
This mathematics teaching aid, it is provided with supplementary pen container to run through in the upper end of slide rail, slider middle part fretwork on the supplementary pen container, and the size of slider fretwork equals with the size of pen tube middle part fretwork, and the slider agrees with each other with the slide rail, can let supplementary teaching aid directly draw on the blackboard through supplementary pen container, when mr does the picture on the blackboard, put the chalk in supplementary pen container, screw up the pen cap, hug closely the mathematics teaching aid on the blackboard again, the reuse supplementary pen container can draw the straight line and do the picture along with the slide rail removes, thereby solved the not good operation of current mathematics teaching aid, need one hand to take the problem of teaching aid of chalk when mr uses.
This mathematics teaching aid, upper end at supplementary pen container is rotated and is connected with the cap for brush, the height ratio expanding spring's of cap for brush length is short 3 centimetres, and the diameter of cap for brush equals with the diameter of slider, can assist the drawing with shorter chalk through the cap for brush, when mr when doing the drawing, expanding spring in the cap for brush can bulldoze the chalk along with the consumption of chalk on the supplementary teaching aid, let the mr normally do the drawing, do not need mr to take shorter chalk with the hand, the operation is convenient, the problem of drawing with the inconvenient supplementary of shorter chalk when using of current mathematics teaching aid has been solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the auxiliary pen container of the present invention;
fig. 3 is a schematic view of the pen cap structure of the present invention.
In FIGS. 1-3: 1. a mathematical teaching aid ruler; 101. a slide rail; 102. a right-angle side; 2. scale lines; 3. an auxiliary pen container; 301. a pen tube; 302. a skin layer; 303. a slider; 4. a pen cap; 401. a telescoping spring.
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.
The pen tube 301, the leather layer 302 and the extension spring 401 mentioned in the utility model can be obtained by market or private ordering.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel supplementary mathematics teaching aid of drawing vertical line, including mathematics teaching aid ruler 1 and slide rail 101, the upper end of mathematics teaching aid ruler 1 runs through and is provided with slide rail 101, glue fixedly connected with right angle limit 102 is passed through to one side of mathematics teaching aid ruler 1, glue fixedly connected with scale mark 2 is passed through in the front of mathematics teaching aid ruler 1, the upper end of slide rail 101 runs through and is provided with supplementary pen container 3, glue fixedly connected with pencil 301 is passed through at the middle part of supplementary pen container 3, the outer wall of pencil 301 closely laminates has cortex 302, the lower extreme of supplementary pen container 3 runs through and is provided with slider 303, the upper end of supplementary pen container 3 is rotated and is connected with pen cap 4, glue fixedly connected with expanding spring 401 is passed through.
Further, the contained angle that right-angle side 102 and mathematics teaching aid ruler 1 formed is 90 degrees, and the contained angle that slide rail on the right-angle side 102 and the slide rail on the mathematics teaching aid ruler 1 formed also is 90 degrees, through right-angle side 102 cooperation mathematics teaching aid ruler 1 can be convenient drawing right angle, when the mr in the drawing, put the chalk in auxiliary pen container 3 earlier, hug closely the mathematics teaching aid on the blackboard again, reuse auxiliary pen container 3 removes along with the right angle department of slide rail 101, drawing right angle that can be accurate, the problem of the right angle of drawing that current mathematics teaching aid can not be accurate has been solved.
Further, slider 303 middle part fretwork on the supplementary pen container 3, and the size of slider 303 fretwork equals with the size of pencil 301 middle part fretwork, and slider 303 agrees with slide rail 101 each other, can let supplementary teaching aid directly draw on the blackboard through supplementary pen container 3, when the mr does on the blackboard, put the chalk in supplementary pen container 3, screw up cap 4, hug closely the mathematics teaching aid on the blackboard again, reuse supplementary pen container 3 can draw the straight line along with slide rail 101 removes and do the picture, thereby solved the not good operation of current mathematics teaching aid, need one hand to take the problem of teaching aid of chalk when the mr uses.
Further, cap 4's height is 3 centimetres less than expanding spring 401's length, and cap 4's diameter equals with slider 303's diameter, can assist the drawing with shorter chalk through cap 4, when the mr is when drawing, expanding spring 401 in cap 4 can bulldoze the chalk along with the consumption of chalk on the auxiliary teaching aid, let the mr normally do the drawing, do not need the mr to take shorter chalk with the hand, the operation is convenient, the problem of drawing is assisted with the inconvenience of shorter chalk to the current mathematics teaching aid when using has been solved.
Further, the cortex 302 is rubber cortex 302, and the surface tiling of cortex 302 is provided with a plurality of little contacts, can increase the frictional force between hand and the pen container 301 through the cortex 302, the supplementary pen container 3 of removal that can be better.
Further, the height of slide rail 101 equals with the height on right-angle side 102, can conveniently draw with the mathematics teaching aid through slide rail 101.
Furthermore, one side of the extension spring 401 extends to the inside of the pen tube 301, and the chalk in the pen tube 301 can be conveniently pushed through the extension spring 401.
The working principle is as follows: firstly, a right-angle side 102 is fixedly connected to one side of a ruler 1 of the mathematical teaching aid through glue, the included angle formed by the right-angle side 102 and the ruler 1 of the mathematical teaching aid is 90 degrees, and the included angle formed by a slide rail on the right-angle side 102 and a slide rail on the ruler 1 of the mathematical teaching aid is also 90 degrees, when a teacher draws a picture, a chalk is placed in an auxiliary pen container 3 firstly, then the mathematical teaching aid is tightly attached to a blackboard, then the auxiliary pen container 3 moves along with the right-angle position of the slide rail 101, so that a right angle can be drawn accurately, the problem that the existing mathematical teaching aid cannot accurately draw a right angle is solved, then the auxiliary pen container 3 is arranged at the upper end of the slide rail 101 in a penetrating manner, the middle part of a slide block 303 on the auxiliary pen container 3 is hollowed, the hollowed size of the slide block 303 is equal to the hollowed size of the middle part of the pen container 301, and the slide block 303 and the, the auxiliary teaching aid can be used for drawing on the blackboard directly through the auxiliary pen container 3, when a teacher draws on the blackboard, a chalk is placed in the auxiliary pen container 3, the pen cap 4 is screwed down, the math teaching aid is tightly attached to the blackboard, the auxiliary pen container 3 can be used for drawing a straight line along with the movement of the sliding rail 101, so that the problem that the conventional math teaching aid is not easy to operate and the teacher needs to hold the teaching aid with one hand and hold the teaching aid with the other hand is solved, then, the upper end of the auxiliary pen container 3 is rotatably connected with the pen cap 4, the height of the pen cap 4 is 3 cm shorter than the length of the telescopic spring 401, the diameter of the pen cap 4 is equal to that of the sliding block 303, the shorter chalk can be used for assisting drawing through the pen cap 4, when the teacher holds the drawing, the telescopic spring 401 in the pen cap 4 can be pushed and pressed along with the consumption of the chalk, the teacher can normally draw the drawing without using shorter chalk, the operation is facilitated, and the problem that the existing math teaching aid uses shorter chalks to assist drawing in use is solved.
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 (7)
1. The utility model provides a novel supplementary mathematics teaching aid of drawing vertical line, includes mathematics teaching aid ruler (1) and slide rail (101), its characterized in that: the upper end of mathematics teaching aid ruler (1) is run through and is provided with slide rail (101), glue fixedly connected with right angle limit (102) are passed through to one side of mathematics teaching aid ruler (1), glue fixedly connected with scale mark (2) are passed through in the front of mathematics teaching aid ruler (1), the upper end of slide rail (101) is run through and is provided with supplementary pen container (3), glue fixedly connected with pencil tube (301) is passed through at the middle part of supplementary pen container (3), the outer wall of pencil tube (301) closely laminates and has cortex (302), the lower extreme of supplementary pen container (3) is run through and is provided with slider (303), the upper end of supplementary pen container (3) is rotated and is connected with cap for brush (4), glue fixedly connected with expanding spring (401) is passed through to the inside of cap for brush.
2. A novel mathematics teaching aid for assisting in drawing vertical lines as claimed in claim 1, wherein: the included angle that right angle limit (102) and mathematics teaching aid ruler (1) formed is 90 degrees, and the slide rail on right angle limit (102) and the contained angle that the slide rail on mathematics teaching aid ruler (1) formed also is 90 degrees.
3. A novel mathematics teaching aid for assisting in drawing vertical lines as claimed in claim 1, wherein: the middle of the sliding block (303) on the auxiliary pen container (3) is hollowed, the hollowed size of the sliding block (303) is equal to the hollowed size of the middle of the pen tube (301), and the sliding block (303) and the sliding rail (101) are matched with each other.
4. A novel mathematics teaching aid for assisting in drawing vertical lines as claimed in claim 1, wherein: the height of the pen cap (4) is 3 cm shorter than the length of the telescopic spring (401), and the diameter of the pen cap (4) is equal to that of the sliding block (303).
5. A novel mathematics teaching aid for assisting in drawing vertical lines as claimed in claim 1, wherein: the cortex (302) is the rubber cortex (302), and the surface tiling of cortex (302) is provided with a plurality of little contacts.
6. A novel mathematics teaching aid for assisting in drawing vertical lines as claimed in claim 1, wherein: the height of the sliding rail (101) is equal to that of the right-angle side (102).
7. A novel mathematics teaching aid for assisting in drawing vertical lines as claimed in claim 1, wherein: one side of the telescopic spring (401) extends to the interior of the pen tube (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020217726.1U CN211592011U (en) | 2020-02-27 | 2020-02-27 | Novel supplementary mathematics teaching aid of drawing vertical line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020217726.1U CN211592011U (en) | 2020-02-27 | 2020-02-27 | Novel supplementary mathematics teaching aid of drawing vertical line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211592011U true CN211592011U (en) | 2020-09-29 |
Family
ID=72581703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020217726.1U Expired - Fee Related CN211592011U (en) | 2020-02-27 | 2020-02-27 | Novel supplementary mathematics teaching aid of drawing vertical line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211592011U (en) |
-
2020
- 2020-02-27 CN CN202020217726.1U patent/CN211592011U/en not_active Expired - Fee Related
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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: 20200929 |