CN214647197U - Portable mathematics teaching aid - Google Patents
Portable mathematics teaching aid Download PDFInfo
- Publication number
- CN214647197U CN214647197U CN202120675906.9U CN202120675906U CN214647197U CN 214647197 U CN214647197 U CN 214647197U CN 202120675906 U CN202120675906 U CN 202120675906U CN 214647197 U CN214647197 U CN 214647197U
- Authority
- CN
- China
- Prior art keywords
- teaching aid
- aid shell
- dipperstick
- hole
- connecting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a portable mathematics teaching aid, includes the teaching aid shell, the through-hole in be equipped with the fixed axle, the outside of fixed axle be equipped with the dipperstick, one side of dipperstick be equipped with the semicircle dish, the dipperstick keep away from the even drawing recess that is equipped with in one side of semicircle dish, one side of teaching aid shell be equipped with the connecting plate, the connecting plate one side of keeping away from the teaching aid shell be equipped with the link, one side that the teaching aid shell is close to the connecting plate be equipped with the handle, the teaching aid shell one side of keeping away from the handle be equipped with the screw hole, the both ends of dipperstick all be equipped with the fixed recess that cooperation fixation nut used. The utility model has the advantages that: the utility model discloses a teaching aid shell, dipperstick and semicircle disc can be measured, and the function is comprehensive, can draw the angle of arbitrary angle and the circle and the pitch arc of arbitrary diameter, can also fix the dipperstick in the through-hole through fixation nut simultaneously, and folding equipment conveniently carries.
Description
Technical Field
The utility model relates to a mathematical education equipment technical field, in particular to portable mathematical education apparatus.
Background
Drawing tools are indispensable teaching equipment in mathematical education. At present, in the mathematical teaching process, teachers need to carry various drawing tools to classrooms to draw various straight lines, angles and circles, the existing drawing tools are single in function, the drawing tools are generally placed in a scattered mode, commonly used teaching tools comprise straight ruler teaching tools, triangular ruler teaching tools, compass teaching tools and protractors, the occupied area is large, the teachers are easy to omit during carrying in class, the use and the carrying are inconvenient, the teaching efficiency is influenced, and much inconvenience is brought to teachers during teaching; simultaneously, the teacher also is very inconvenient to carry multiple teaching aid on class, in case forget to carry one of them teaching aid, can influence going on of course again.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a portable mathematical education apparatus.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a portable mathematics teaching aid, includes the teaching aid shell, the teaching aid shell be the cuboid structure, the teaching aid shell in be equipped with the through-hole, the through-hole in be equipped with the fixed axle, the outside of fixed axle be equipped with dipperstick and can rotate in the outside of fixed axle, one side of dipperstick be equipped with the semicircle dish, the dipperstick keep away from the even drawing recess that is equipped with in one side of semicircle dish, one side of teaching aid shell be equipped with the connecting plate, the connecting plate keep away from one side of teaching aid shell and be equipped with the link, one side that the teaching aid shell is close to the connecting plate be equipped with handle and connecting plate contactless, one side that the teaching aid shell kept away from the handle be equipped with the screw hole, threaded hole in be equipped with fixation nut, the both ends of dipperstick all be equipped with the fixed recess that cooperation fixation nut used, teaching aid shell, Scales are marked on the measuring scale and the semicircular disc.
Further, the fixed axle be located the central point of dipperstick and teaching aid shell and put, when dipperstick and teaching aid shell are vertical angle, present X and Y axle, the student of being convenient for understands the coordinate system.
Further, teaching aid shell and connecting plate be in same horizontal plane, the one end that the teaching aid shell does not have the scale be equipped with the skid resistant course, the skid resistant course plays skid-proof effect.
Furthermore, the scale of the measuring scale is marked towards two ends by taking the fixed shaft as a starting point, and the marks at the two ends are convenient to check.
Further, the through-hole be the cuboid structure, the dipperstick can be in the through-hole internal rotation.
Furthermore, the outside of handle be equipped with anti-skidding cover, the teacher can hold the teaching aid shell through the handle, anti-skidding cover plays skid-proof effect.
The utility model has the advantages that: the utility model discloses a teaching aid shell, dipperstick and semicircle disc can be measured, and the function is comprehensive, can draw the angle of arbitrary angle and the circle and the pitch arc of arbitrary diameter, can also fix the dipperstick in the through-hole through fixation nut simultaneously, and folding equipment conveniently carries.
Drawings
Fig. 1 is the utility model relates to a portable mathematics teaching aid's schematic structure.
Fig. 2 is the utility model discloses a portable mathematics teaching aid's front view.
Fig. 3 is the utility model discloses a portable mathematics teaching aid's equipment front view.
As shown in the figure: 1. teaching aid shell, 1.1, through-hole, 1.2, screw hole, 2, fixed axle, 3, dipperstick, 3.1, drawing recess, 3.2, fixed recess, 4, semicircle dish, 5, connecting plate, 6, link, 7, handle, 8, fixation nut.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.
With reference to the attached drawings 1-3, the portable mathematics teaching aid comprises a teaching aid shell 1, wherein the teaching aid shell 1 is of a cuboid structure, a through hole 1.1 is formed in the teaching aid shell 1, a fixing shaft 2 is arranged in the through hole 1.1, a measuring scale 3 is arranged on the outer side of the fixing shaft 2, the measuring scale 3 can rotate on the outer side of the fixing shaft 2, a semicircular disc 4 is arranged on one side of the measuring scale 3, a drawing groove 3.1 is uniformly formed in one side of the measuring scale 3, away from the semicircular disc 4, a connecting plate 5 is arranged on one side of the teaching aid shell 1, a hanging ring 6 is arranged on one side of the connecting plate 5, away from the teaching aid shell 1, a handle 7 is arranged on one side of the teaching aid shell 1, close to the connecting plate 5, the handle 7 is not in contact with the connecting plate 5, a threaded hole 1.2 is formed in one side of the teaching aid shell 1.2, a fixing nut 8 is arranged in the threaded hole, the both ends of dipperstick 3 all be equipped with the fixed slot 3.2 that cooperation fixation nut 8 used, teaching aid shell 1, dipperstick 3 and semicircle dish 4 on all mark the scale.
Fixed axle 2 be located dipperstick 3 and teaching aid shell 1 central point and put, dipperstick 3 can rotate on fixed axle 2, the teacher can rotate through drawing recess 3.1 and draw the circle.
Teaching aid shell 1 and connecting plate 5 be in same horizontal plane, teaching aid shell 1 one end that does not have the scale be equipped with the skid resistant course, can have the one end on skid resistant course to teaching aid shell 1 and hug closely the blackboard and measure and draw.
The scales of the measuring scale 3 are marked from the fixed shaft 2 as a starting point to two ends.
Through-hole 1.1 be the cuboid structure, dipperstick 3 can be in through-hole 1.1 internal rotation, when needs are packed up, can be rotatory dipperstick 3 to through-hole 1.1 in, let fixation nut 8 install in screw hole 1.2, then make fixation nut 8 support fixed recess 3.2, let dipperstick 3 unable rotation.
The outer side of the handle 7 is provided with an anti-skid sleeve.
The utility model discloses a theory of operation, not hard up fixation nut in the time of using, let fixation nut keep away from the dipperstick, the dipperstick can rotate in the outside of fixed axle, the teacher can be through the teaching aid shell, dipperstick and semicircle disc are measured, can draw the angle of arbitrary angle and the circle and the pitch arc of arbitrary diameter, after finishing using, can be rotatory to the through-hole to the dipperstick in, let fixation nut install in the threaded hole, then make fixation nut support the fixed recess, let the dipperstick can't rotate, then hang on the wall through the link.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A portable mathematics teaching aid is characterized by comprising a teaching aid shell (1), wherein the teaching aid shell (1) is of a cuboid structure, a through hole (1.1) is formed in the teaching aid shell (1), a fixed shaft (2) is arranged in the through hole (1.1), a measuring scale (3) is arranged on the outer side of the fixed shaft (2), the measuring scale (3) can rotate on the outer side of the fixed shaft (2), a semicircular disc (4) is arranged on one side of the measuring scale (3), drawing grooves (3.1) are uniformly formed in one side, away from the semicircular disc (4), of the measuring scale (3), a connecting plate (5) is arranged on one side of the teaching aid shell (1), a hanging ring (6) is arranged on one side, away from the teaching aid shell (5), a handle (7) is arranged on one side, close to the connecting plate (5), of the teaching aid shell (1), and the handle (7) is not in contact with the connecting plate (5), teaching aid shell (1) keep away from one side of handle (7) and be equipped with screw hole (1.2), screw hole (1.2) in be equipped with fixation nut (8), the both ends of dipperstick (3) all be equipped with fixed recess (3.2) that cooperation fixation nut (8) used, teaching aid shell (1), dipperstick (3) and semicircle dish (4) on all mark the scale.
2. A portable mathematical education aid as claimed in claim 1, wherein: the fixed shaft (2) is positioned at the center of the measuring scale (3) and the teaching aid shell (1).
3. A portable mathematical education aid as claimed in claim 2, wherein: teaching aid shell (1) and connecting plate (5) be in same horizontal plane, teaching aid shell (1) one end that does not have the scale be equipped with the skid resistant course.
4. A portable mathematical education aid as claimed in claim 2, wherein: the scales of the measuring scale (3) are marked to two ends by taking the fixed shaft (2) as a starting point.
5. A portable mathematical education aid as claimed in claim 1, wherein: the through hole (1.1) is of a cuboid structure, and the measuring scale (3) can rotate in the through hole (1.1).
6. A portable mathematical education aid as claimed in claim 1, wherein: the outer side of the handle (7) is provided with an anti-skid sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120675906.9U CN214647197U (en) | 2021-04-02 | 2021-04-02 | Portable mathematics teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120675906.9U CN214647197U (en) | 2021-04-02 | 2021-04-02 | Portable mathematics teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214647197U true CN214647197U (en) | 2021-11-09 |
Family
ID=78458633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120675906.9U Expired - Fee Related CN214647197U (en) | 2021-04-02 | 2021-04-02 | Portable mathematics teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214647197U (en) |
-
2021
- 2021-04-02 CN CN202120675906.9U patent/CN214647197U/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: 20211109 |