CN201931858U - Mathematical teaching ruler - Google Patents

Mathematical teaching ruler Download PDF

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Publication number
CN201931858U
CN201931858U CN2011200433353U CN201120043335U CN201931858U CN 201931858 U CN201931858 U CN 201931858U CN 2011200433353 U CN2011200433353 U CN 2011200433353U CN 201120043335 U CN201120043335 U CN 201120043335U CN 201931858 U CN201931858 U CN 201931858U
Authority
CN
China
Prior art keywords
ruler
chi
compass
protractor
compasses
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
CN2011200433353U
Other languages
Chinese (zh)
Inventor
蒋锡水
武林霞
牟春雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN2011200433353U priority Critical patent/CN201931858U/en
Application granted granted Critical
Publication of CN201931858U publication Critical patent/CN201931858U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a mathematical teaching ruler comprising a ruler body, wherein the position on the ruler body, which is close to the end part, is provided with a protractor plate, a compass ruler is hinged on the ruler body, a sliding block which can slide along the compass ruler is arranged on the compass ruler, a chalk sleeve hole is arranged on the sliding block, compass scales are arranged on the compass ruler, protractor scales are arranged on the protractor plate, and an arc-shaped pen groove is arranged on the protractor plate. When the mathematical teaching ruler is used, the mathematical teaching ruler disclosed by the utility model is placed on a blackboard, the ruler body is used for drawing a straight line, the protractor plate is used for measuring the angle and drawing an angle, and the compass ruler is used for drawing a circle. The mathematical teaching ruler disclosed by the utility model is convenient to use, can be used for drawing various geometric shapes by one step and is convenient for teaching and administrative staff to teach.

Description

A kind of mathematical education chi
Technical field
The utility model relates to a kind of teaching appliance, particularly a kind of mathematical education chi.
Background technology
The middle school teacher usually needs to carry multiple teaching ruler in teaching, such as compasses, ruler and protractor etc., traditional mode is once to carry multiple teaching appliance, has caused teaching and administrative staff personnel's work inconvenience, has increased teaching and administrative staff's working strength.
The utility model content
The technical problems to be solved in the utility model is the deficiency at technique scheme, and the teaching of providing convenience alleviates a kind of mathematical education chi of intensity of workers.
For addressing the above problem the technical solution of the utility model be:
A kind of mathematical education chi comprises the chi body, and the position near the end on the described chi body is provided with the protractor plate, is hinged with the compasses chi on the described chi body, and described compasses chi is provided with can be along the slide block of compasses chi slip, and described slide block is provided with the chalk trepanning.
Below be to further improvement in the technical proposal:
Described compasses chi is provided with the compasses scale.
Described protractor plate is provided with the protractor scale, has an arc groove on the described protractor plate.
During use, the utility model is placed on the blackboard, draws straight line with the chi body, take measurement of an angle and draw the angle with the protractor plate, draw roundly with the compasses chi, the utility model is easy to use, and the multiple geometry of can once drawing has made things convenient for teaching and administrative staff's teaching.
Below in conjunction with drawings and Examples technique scheme is described further.
Description of drawings
Accompanying drawing is the structural representation of a kind of mathematical education chi among the utility model embodiment.
Among the figure:
1-chi body; The 2-scale; 3-protractor plate; 4-protractor scale; A 5-arc groove; 6-compasses chi; 7-compasses scale; The 8-slide block; 9-chalk trepanning.
The specific embodiment
Embodiment, as shown in drawings, a kind of mathematical education chi, comprise chi body 1, described chi body 1 is provided with scale 2, and the position near the end on the described chi body 1 is provided with protractor plate 3, is hinged with compasses chi 6 on the described chi body 1, described compasses chi 6 is provided with can be along the slide block 8 of compasses chi 6 slips, and described slide block 8 is provided with chalk trepanning 9; Described compasses chi 6 is provided with compasses scale 7; Described protractor plate 3 is provided with protractor scale 4, has an arc groove 5 on the described protractor plate 3.
During use, the utility model is placed on the blackboard, draws straight line with chi body 1, take measurement of an angle and draw the angle with protractor plate 3, draw roundly with compasses chi 6, the utility model is easy to use, and the multiple geometry of can once drawing has made things convenient for teaching and administrative staff's teaching.

Claims (3)

1. mathematical education chi, comprise chi body (1), it is characterized in that: the position that described chi body (1) is gone up near the end is provided with protractor plate (3), be hinged with compasses chi (6) on the described chi body (1), described compasses chi (6) is provided with can be along the slide block (8) of compasses chi (6) slip, and described slide block (8) is provided with chalk trepanning (9).
2. a kind of mathematical education chi as claimed in claim 1 is characterized in that: described compasses chi (6) is provided with compasses scale (7).
3. a kind of mathematical education chi as claimed in claim 2 is characterized in that: described protractor plate (3) is provided with protractor scale (4), has an arc groove (5) on the described protractor plate (3).
CN2011200433353U 2011-02-22 2011-02-22 Mathematical teaching ruler Expired - Fee Related CN201931858U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200433353U CN201931858U (en) 2011-02-22 2011-02-22 Mathematical teaching ruler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200433353U CN201931858U (en) 2011-02-22 2011-02-22 Mathematical teaching ruler

Publications (1)

Publication Number Publication Date
CN201931858U true CN201931858U (en) 2011-08-17

Family

ID=44443395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200433353U Expired - Fee Related CN201931858U (en) 2011-02-22 2011-02-22 Mathematical teaching ruler

Country Status (1)

Country Link
CN (1) CN201931858U (en)

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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: 20110817

Termination date: 20120222