CN203063428U - Teaching aid device for mathematics teaching - Google Patents
Teaching aid device for mathematics teaching Download PDFInfo
- Publication number
- CN203063428U CN203063428U CN 201320091815 CN201320091815U CN203063428U CN 203063428 U CN203063428 U CN 203063428U CN 201320091815 CN201320091815 CN 201320091815 CN 201320091815 U CN201320091815 U CN 201320091815U CN 203063428 U CN203063428 U CN 203063428U
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- hand member
- left end
- center
- main scale
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- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
A teaching aid device for mathematics teaching comprises a left-end radius line, a left-end through-hole, a left-end chalk holder, a compass, an auxiliary scale, a centered chalk holder, a right-end chalk holder, a center rotating shaft, a main scale, a chute, a right-end radius line, a right-end through-hole and a sliding support plate, wherein the chute is formed in the center of the main scale; the sliding support plate is arranged on the chute in a clamping manner; the compass is connected to and arranged on the sliding support plate; the center rotating shaft is arranged in the center of circle of the compass; the auxiliary scale is connected to and arranged in the center of circle of the compass through the center rotating shaft; the centered chalk holder is arranged at the outer end of the auxiliary scale; the left-end through-hole is formed in the left end of the main scale, the left-end radius line is connected to and arranged on the left-end through-hole, and the left-end chalk holder is connected to and arranged at the outer end of the left-end radius line; and the right-end through-hole is formed in the right end of the main scale and the right-end radius line is connected to and arranged on the right-end through hole. The teaching aid device has a simple integral structure, is convenient to operate and use, and is good in stability and high in reliability.
Description
Technical field
The utility model relates to the mathematics teaching aid device, relates in particular to a kind of mathematical education teaching aid device.
Background technology
According to prior art, math teacher often need chart with chalk on blackboard on this classroom, the employed instrument that charts mainly is ruler, set square, T-square and protractor, and the drafting instrument of prior art substantially all is that effect is single, the mathematics teacher before needs the good needed drafting instrument of band at school, is inconvenient to carry owing to drafting instrument on the one hand, and be the cartographic programme complexity on the other hand, normal instruction to the classroom has adverse influence, influences the quality of mathematical education.
The utility model content
The purpose of this utility model is, overcomes the deficiencies in the prior art part, and a kind of mathematical education teaching aid device is provided, and with the form that multiple mathematical education chi tool device mutually combines, satisfies the actual needs of mathematical education.
A kind of mathematical education teaching aid device described in the utility model includes left end radius, left end through hole, left end chalk sleeve, compasses, auxilliary chi, chalk sleeve placed in the middle, right-hand member chalk sleeve, center of circle rotating shaft, main scale body, chute, right-hand member radius, right-hand member through hole and sliding support plate.The main scale body is a kind of mathematical education described in the utility model teaching aid device main body part, the platy structure that integral body is rectangle, center at the main scale body is provided with chute, is fastened on the chute, be provided with the sliding support plate, be connected with compasses at the sliding support plate, at the home position of compasses, be provided with center of circle rotating shaft, and being connected with auxilliary chi by center of circle rotating shaft, the outer end of auxilliary chi is provided with chalk sleeve placed in the middle; At the left end of main scale body, be provided with the left end through hole, be connected the left end through hole and be provided with the left end radius, on the outer end of left end radius, be connected with the left end chalk sleeve; At the right-hand member of main scale body, be provided with the right-hand member through hole, be connected the right-hand member through hole and be provided with the right-hand member radius, on the outer end of right-hand member radius, be connected with the right-hand member chalk sleeve.
A kind of mathematical education teaching aid device described in the utility model, overall structure is simple, and is easy for operation, good stability, reliability height.Use a kind of mathematical education teaching aid device described in the utility model, with the form that multiple mathematical education chi tool device mutually combines, can satisfy the actual needs of mathematical education.
Description of drawings
Accompanying drawing 1 a kind of mathematical education described in the utility model is with the structural representation of teaching aid device.1-left end radius, 2-left end through hole, 3-left end chalk sleeve, 4-compasses 5-auxilliary chi 6-chalk sleeve 7-right-hand member chalk sleeve 8-center of circle rotating shaft 9-main scale body 10-chute 11-right-hand member radius 12-right-hand member through hole 13-sliding support plate placed in the middle.
The specific embodiment
Referring now to accompanying drawing 1, be described as follows in conjunction with the embodiments: a kind of mathematical education teaching aid device described in the utility model includes left end radius 1, left end through hole 2, left end chalk sleeve 3, compasses 4, auxilliary chi 5, chalk sleeve 6 placed in the middle, right-hand member chalk sleeve 7, center of circle rotating shaft 8, main scale body 9, chute 10, right-hand member radius 11, right-hand member through hole 12 and sliding support plate 13.Main scale body 9 is a kind of mathematical education described in the utility model teaching aid device main body parts, the platy structure that integral body is rectangle, in the center of main scale body 9, be provided with chute 10, be fastened on the chute 10, be provided with sliding support plate 13, be connected with compasses 4 at sliding support plate 13, at the home position of compasses 4, be provided with center of circle rotating shaft 8, and being connected with auxilliary chi 5 by center of circle rotating shaft 8, the outer end of auxilliary chi 5 is provided with chalk sleeve 6 placed in the middle; At the left end of main scale body 9, be provided with left end through hole 2, be connected left end through hole 2 and be provided with left end radius 1, on the outer end of left end radius 1, be connected with left end chalk sleeve 3; At the right-hand member of main scale body 9, be provided with right-hand member through hole 12, be connected right-hand member through hole 12 and be provided with right-hand member radius 11, on the outer end of right-hand member radius 11, be connected with right-hand member chalk sleeve 7.A kind of mathematical education teaching aid device described in the utility model, overall structure is simple, and is easy for operation, good stability, reliability height.Use a kind of mathematical education teaching aid device described in the utility model, with the form that multiple mathematical education chi tool device mutually combines, can satisfy the actual needs of mathematical education.
Claims (1)
1. mathematical education teaching aid device, include left end radius (1), left end through hole (2), left end chalk sleeve (3), compasses (4), auxilliary chi (5), chalk sleeve (6) placed in the middle, right-hand member chalk sleeve (7), center of circle rotating shaft (8), main scale body (9), chute (10), right-hand member radius (11), right-hand member through hole (12) and sliding support plate (13), main scale body (9) is main component, the platy structure that integral body is rectangle, it is characterized in that the center in main scale body (9), be provided with chute (10), be fastened on the chute (10), be provided with sliding support plate (13), be connected with compasses (4) at sliding support plate (13), home position in compasses (4), be provided with center of circle rotating shaft (8), and being connected with auxilliary chi (5) by center of circle rotating shaft (8), the outer end of auxilliary chi (5) is provided with chalk sleeve placed in the middle (6); Left end in main scale body (9) is provided with left end through hole (2), is connected left end through hole (2) and is provided with left end radius (1), on the outer end of left end radius (1), is connected with left end chalk sleeve (3); Right-hand member in main scale body (9) is provided with right-hand member through hole (12), is connected right-hand member through hole (12) and is provided with right-hand member radius (11), on the outer end of right-hand member radius (11), is connected with right-hand member chalk sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320091815 CN203063428U (en) | 2013-02-28 | 2013-02-28 | Teaching aid device for mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320091815 CN203063428U (en) | 2013-02-28 | 2013-02-28 | Teaching aid device for mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203063428U true CN203063428U (en) | 2013-07-17 |
Family
ID=48762248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320091815 Expired - Fee Related CN203063428U (en) | 2013-02-28 | 2013-02-28 | Teaching aid device for mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203063428U (en) |
-
2013
- 2013-02-28 CN CN 201320091815 patent/CN203063428U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20140228 |