CN202439439U - Multifunctional mathematics teaching aid - Google Patents

Multifunctional mathematics teaching aid Download PDF

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Publication number
CN202439439U
CN202439439U CN2012200240016U CN201220024001U CN202439439U CN 202439439 U CN202439439 U CN 202439439U CN 2012200240016 U CN2012200240016 U CN 2012200240016U CN 201220024001 U CN201220024001 U CN 201220024001U CN 202439439 U CN202439439 U CN 202439439U
Authority
CN
China
Prior art keywords
protractor
ruler
straight scale
teaching aid
hinged
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
Application number
CN2012200240016U
Other languages
Chinese (zh)
Inventor
陈宏奎
Original Assignee
陈宏奎
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 陈宏奎 filed Critical 陈宏奎
Priority to CN2012200240016U priority Critical patent/CN202439439U/en
Application granted granted Critical
Publication of CN202439439U publication Critical patent/CN202439439U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a multifunctional mathematics teaching aid, which comprises a protractor and a straight scale. Angle scales are arranged on the protractor; length scales are arranged on the straight scale; a pin roll is arranged at the circle center of the protractor; one end of the straight scale is hinged with the pin roll; a compasses foot for positioning is arranged at the other end of the straight scale, and another compasses leg is hinged with the straight scale; and a chalk is sleeved at the tail end of the compasses leg hinged with the straight scale. The multifunctional mathematics teaching aid has the advantages that the multifunctional mathematics teaching aid comprises the protractor and the straight scale, wherein one end of the straight scale is hinged at the circle center of the protractor through the pin roll, the angle scales are arranged on the protractor, and the length scales are arranged on the straight scale, so that the multifunctional mathematics teaching aid integrates the functions of the protractor and the straight scale; and the other end of the straight scale is provided with the compasses foot for positioning, and the other compasses leg is hinged with the straight scale, and the chalk is sleeved at the tail end of the compasses leg hinged with the straight scale, so that the multifunctional mathematics teaching aid can be used for drawing circles and has the functions of compasses.

Description

A kind of multifunctional mathmatical teaching aid
Technical field
The utility model relates to a kind of mathematics teaching aid, particularly a kind of multifunctional mathmatical teaching aid.
Background technology
In the process of mathematical education, ruler, protractor and compasses can be described as and use maximum teaching aids, but existing ruler, protractor and compasses are discrete, and therefore, the teacher need carry respectively and use in the class, and are very inconvenient.
Summary of the invention
The problem that the utility model will solve is: a kind of multifunctional mathmatical teaching aid with ruler function, protractor function and compasses function is provided.
In order to solve the problems of the technologies described above, the multifunctional mathmatical teaching aid of the utility model comprises protractor and ruler; Said protractor is provided with angle index, and said ruler is provided with the length scale, and the circle centre position of said protractor is provided with a bearing pin; One end and the bearing pin of said ruler are hinged; An other end of said ruler is provided with the compass foot of location usefulness, also is hinged with a compass leg on the said ruler, and the end of said compass leg is socketed with chalk.
The beneficial effect that the utility model is obtained is: (1) comprises protractor and ruler; One end of ruler is hinged on the circle centre position of protractor through bearing pin; Protractor is provided with angle index, and ruler is provided with the length scale, thereby has the function of protractor and the function of ruler; (2) an other end of ruler is provided with the compass foot of location usefulness, also is hinged with a compass leg on the ruler, and the end of compass leg is socketed with chalk, thereby can be used for picture circle, has the function of compasses.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1, protractor, 2, angle index, 3, bearing pin, 4, ruler, 5, the length scale, 6, compass foot, 7, compass leg, 8, chalk.
The specific embodiment
As shown in Figure 1, the utility model 1, a kind of multifunctional mathmatical teaching aid, comprise protractor 1 and ruler 4; Said protractor 1 is provided with angle index 2, and said ruler 4 is provided with length scale 5, and the circle centre position of said protractor 1 is provided with a bearing pin 3; One end and the bearing pin 3 of said ruler 4 are hinged; An other end of said ruler 4 is provided with the compass foot 6 of location usefulness, also is hinged with a compass leg 7 on the said ruler 4, and the end of said compass leg 7 is socketed with chalk 8.
The multifunctional mathmatical teaching aid of the utility model; Comprise protractor 1 and ruler 4, an end of ruler 4 is hinged on the circle centre position of protractor 1 through bearing pin, and protractor 1 is provided with angle index 2; Ruler 4 is provided with length scale 5, thereby has the function of protractor 1 and the function of ruler 4;
The multifunctional mathmatical teaching aid of the utility model, an other end of ruler 4 are provided with the compass foot 6 of location usefulness, also are hinged with a compass leg 7 on the ruler 4, and the end of compass leg 7 is socketed with chalk 8, thereby can be used for picture circle, have the function of compasses.
The utility model is not limited to above-mentioned embodiment, and anyone should learn the structural change of under the enlightenment of the utility model, making, every with the utlity model has identical or close technical scheme, all fall within the protection domain of the utility model.

Claims (1)

1. multifunctional mathmatical teaching aid, it is characterized in that: comprise protractor (1) and ruler (4), said protractor (1) is provided with angle index (2); Said ruler (4) is provided with length scale (5); The circle centre position of said protractor (1) is provided with a bearing pin (3), and an end of said ruler (4) and bearing pin (3) are hinged, and an other end of said ruler (4) is provided with the compass foot (6) of location usefulness; Also be hinged with a compass leg (7) on the said ruler (4), the end of said compass leg (7) is socketed with chalk (8).
CN2012200240016U 2012-01-11 2012-01-11 Multifunctional mathematics teaching aid Expired - Fee Related CN202439439U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200240016U CN202439439U (en) 2012-01-11 2012-01-11 Multifunctional mathematics teaching aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200240016U CN202439439U (en) 2012-01-11 2012-01-11 Multifunctional mathematics teaching aid

Publications (1)

Publication Number Publication Date
CN202439439U true CN202439439U (en) 2012-09-19

Family

ID=46820893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200240016U Expired - Fee Related CN202439439U (en) 2012-01-11 2012-01-11 Multifunctional mathematics teaching aid

Country Status (1)

Country Link
CN (1) CN202439439U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104553509A (en) * 2014-12-30 2015-04-29 济源市乐享科技有限公司 Multifunctional pen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104553509A (en) * 2014-12-30 2015-04-29 济源市乐享科技有限公司 Multifunctional pen

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
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: 20120919

Termination date: 20130111