CN202557106U - Mathematical drawing instrument - Google Patents

Mathematical drawing instrument Download PDF

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Publication number
CN202557106U
CN202557106U CN2012202302318U CN201220230231U CN202557106U CN 202557106 U CN202557106 U CN 202557106U CN 2012202302318 U CN2012202302318 U CN 2012202302318U CN 201220230231 U CN201220230231 U CN 201220230231U CN 202557106 U CN202557106 U CN 202557106U
Authority
CN
China
Prior art keywords
ruler body
sliding shoe
sliding block
drawing instrument
rotating rod
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
CN2012202302318U
Other languages
Chinese (zh)
Inventor
李全新
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 CN2012202302318U priority Critical patent/CN202557106U/en
Application granted granted Critical
Publication of CN202557106U publication Critical patent/CN202557106U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a mathematical drawing instrument, which comprises a ruler body, wherein the left end and the right end of the ruler body are respectively provided with a semicircular plate, a rotating shaft is arranged on the central position of each semicircular plate, the rotating shaft is connected with a rotating rod, a sliding block is sleeved on the rotating rod, a chalk sleeve is arranged on the sliding block, a line-drawing groove which is convenient for drawing a line is arranged on the rotating rod, a ruler body sliding block is arranged on the ruler body, a vertical scale is vertically arranged on the ruler body sliding block, and the ruler body sliding block is provided with an electronic watch. When in work, the mathematical drawing instrument is arranged on a blackboard, a circle can be drawn by rotating the rotating rod, a needed angle can be drawn through the rotating rod, the vertical scale is convenient for drawing a right angle, and the electronic watch is convenient for observing the time. The mathematical drawing instrument is simple in structure, convenient to use, and capable of drawing circles and right angles and improving the drawing efficiency of teachers.

Description

A kind of mathematics drawing instrument
Technical field
The utility model relates to the teaching apparatus, particularly a kind of mathematics drawing instrument.
Background technology
In the mathematical education, the teacher usually need map on blackboard, and mapping need be used multiple ruler, carries multiple ruler mapping trouble, has brought inconvenience to teacher's teaching.
The utility model content
The utility model problem to be solved is for a kind of mathematics drawing instrument is provided, and this mathematics drawing instrument can conveniently be mapped, and improves teacher's mapping efficient.
In order to address the above problem, the utility model adopts following technical scheme:
A kind of mathematics drawing instrument comprises the ruler body, and the right ends of said ruler body is provided with semi-circular plate; Said semi-circular plate home position place is provided with turning cylinder, is connected with dwang on the said turning cylinder, is socketed with sliding shoe on the said dwang; Said sliding shoe is provided with chalk sleeve; Said dwang is provided with the setting-out groove that makes things convenient for setting-out, and said ruler body is provided with chi body sliding shoe, and said chi body sliding shoe vertically is provided with vertical chi.
Below be further improvement to technique scheme:
Said chi body sliding shoe is provided with electronic watch.
During work, the utility model is positioned on the blackboard, the rotated bar carries out the picture circle then; The angle that also can draw and need make through dwang, the vertically setting of chi, the right angle conveniently draws; The setting of electronic watch makes things convenient for observing time, and the utility model is simple in structure; Easy to use, can draw circle and right angle have improved teacher's mapping efficient.
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of mathematics drawing instrument among the utility model embodiment.
Among the figure:
1-ruler body; The 2-semi-circular plate; The 3-dwang; The 4-sliding shoe; The 5-chalk sleeve; 6-setting-out groove; The 7-turning cylinder; The 8-electronic watch; 9-chi body sliding shoe; The vertical chi of 10-.
The specific embodiment
Embodiment, shown in accompanying drawing 1, a kind of mathematics drawing instrument; Comprise ruler body 1, the right ends of said ruler body 1 is provided with semi-circular plate 2, and said semi-circular plate 2 home position places are provided with turning cylinder 7; Be connected with dwang 3 on the said turning cylinder 7, be socketed with sliding shoe 4 on the said dwang 3, said sliding shoe 4 is provided with chalk sleeve 5; Said dwang 3 is provided with the setting-out groove 6 that makes things convenient for setting-out, and said ruler body 1 is provided with chi body sliding shoe 9, and said chi body sliding shoe 9 vertically is provided with vertical chi 10; Said chi body sliding shoe 9 is provided with electronic watch 8.
During work, the utility model is positioned on the blackboard, rotated bar 3 carries out the picture circle then; The angle that also can draw and need make through dwang 3, the vertically setting of chi 10, the right angle conveniently draws; The setting of electronic watch 8 makes things convenient for observing time, and the utility model is simple in structure; Easy to use, can draw circle and right angle have improved teacher's mapping efficient.

Claims (2)

1. mathematics drawing instrument; Comprise ruler body (1), it is characterized in that: the right ends of said ruler body (1) is provided with semi-circular plate (2), and said semi-circular plate (2) home position place is provided with turning cylinder (7); Be connected with dwang (3) on the said turning cylinder (7); Be socketed with sliding shoe (4) on the said dwang (3), said sliding shoe (4) is provided with chalk sleeve (5), and said dwang (3) is provided with the setting-out groove (6) that makes things convenient for setting-out; Said ruler body (1) is provided with chi body sliding shoe (9), and said chi body sliding shoe (9) vertically is provided with vertical chi (10).
2. a kind of mathematics drawing instrument as claimed in claim 1 is characterized in that: said chi body sliding shoe (9) is provided with electronic watch (8).
CN2012202302318U 2012-05-13 2012-05-13 Mathematical drawing instrument Expired - Fee Related CN202557106U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202302318U CN202557106U (en) 2012-05-13 2012-05-13 Mathematical drawing instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012202302318U CN202557106U (en) 2012-05-13 2012-05-13 Mathematical drawing instrument

Publications (1)

Publication Number Publication Date
CN202557106U true CN202557106U (en) 2012-11-28

Family

ID=47206800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012202302318U Expired - Fee Related CN202557106U (en) 2012-05-13 2012-05-13 Mathematical drawing instrument

Country Status (1)

Country Link
CN (1) CN202557106U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568665A (en) * 2013-11-15 2014-02-12 南丹县芒场镇拉者小学 Multifunctional ruler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568665A (en) * 2013-11-15 2014-02-12 南丹县芒场镇拉者小学 Multifunctional ruler

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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: 20121128

Termination date: 20130513