CN202656727U - Multifunctional compasses - Google Patents

Multifunctional compasses Download PDF

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Publication number
CN202656727U
CN202656727U CN 201220260200 CN201220260200U CN202656727U CN 202656727 U CN202656727 U CN 202656727U CN 201220260200 CN201220260200 CN 201220260200 CN 201220260200 U CN201220260200 U CN 201220260200U CN 202656727 U CN202656727 U CN 202656727U
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CN
China
Prior art keywords
ruler
groove
compasses
pair
multifunctional
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
CN 201220260200
Other languages
Chinese (zh)
Inventor
逄全真
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 CN 201220260200 priority Critical patent/CN202656727U/en
Application granted granted Critical
Publication of CN202656727U publication Critical patent/CN202656727U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a pair of multifunctional compasses. The pair of multifunctional compasses consists of a ruler 1, scales 2, a moveable sleeve ring 3, a pencil 4 and a groove 5, and is characterized in that the scales 2 are formed on the ruler 1; the groove 5 is formed in the left downside of the ruler 1; the moveable sleeve ring 3 is arranged in the groove 5; and the pencil 4 is arranged in the moveable sleeve ring 3. The pair of multifunctional compasses has the advantages that the structure is simple, the design is scientific, the pair of multifunctional compasses is convenient to operate and use and portable, the teaching efficiency of a teacher is improved, the manufacture cost is low, the portability is realized, the stability of circle drawing is improved, and an accurate radius for circle drawing can be provided.

Description

A kind of multifunctional compass
Technical field
The utility model relates to a kind of stationery compasses, relates in particular to a kind of teaching multifunctional compass.
Background technology
At present; when in school instruction, serving as a teacher on blackboard graphing; usually can use ruler and compasses; wherein utilize ruler to draw straight line; utilize compasses to draw circular; our known ruler and compasses all separate, and bring respectively use, operate very inconvenient; and both can't substitute mutually; this will teacher of the seeking advice in teaching, must carry two cover teaching aids, simultaneously; existing compasses for teaching; owing to there not being accurate radius size, stable relative deficiency has affected the attractive in appearance and practicality of writing on the blackboard; after must drawing the length straight line of required radius of circle with ruler first; choose radius with compasses according to this straightway again and carry out the operation of picture circle, very loaded down with trivial details, wasted simultaneously instructional blocks of time.The utility model is that a kind of ruler and compasses combine, and can overcome the above problems, and is simple to operate, can draw circle stability by Effective Raise, and can provide the picture circle required accurate radius.
Summary of the invention
The purpose of this utility model is to overcome above weak point, and a kind of multifunctional compass is provided, and is that a kind of ruler and compasses combine, and realizes simple to operately, easy to carry, can Effective Raise draws circle stability, and can provide the picture circle required accurate radius.
The purpose of this utility model is realized by following technical scheme, developed a kind of multifunctional compass, formed by ruler 1, scale 2, the mobile collar 3, pencil 4, groove 5, it is characterized in that: described ruler 1 top arranges scale 2, groove 5 is offered in ruler 1 lower left, the groove 5 interior mobile collar 3, the mobile collar 3 interior device pencils 4 of arranging.
Described groove 5 is parallel with ruler 1 scale face.
Described ruler 1 is rectangle.
Advantage of the present utility model: simple in structure, design science, easy for operation, improve teacher's efficient of giving a lesson, low cost of manufacture is easy to carry about with one, and improves picture circle stability, and can provide the picture circle required accurate radius.
Description of drawings
Fig. 1 is a kind of multifunctional compass structure chart.
The specific embodiment
Referring to Fig. 1, the utility model has been developed a kind of multifunctional compass, takes following steps:
This has developed a kind of multifunctional compass, be comprised of ruler 1, scale 2, the mobile collar 3, pencil 4, groove 5, it is characterized in that: described ruler 1 top arranges scale 2, and groove 5 is offered in ruler 1 lower left, the groove 5 interior mobile collar 3, the mobile collar 3 interior device pencils 4 of arranging.
Described groove 5 is parallel with ruler 1 scale face.
Described ruler 1 is rectangle.
In addition, the utility model does not mean that by schematic diagram and specification and limits to, can change to some extent under the prerequisite that does not break away from design aim.

Claims (3)

1. multifunctional compass, formed by ruler (1), scale (2), the mobile collar (3), pencil (4), groove (5), it is characterized in that: described ruler (1) top arranges scale (2), groove (5) is offered in ruler (1) lower left, the mobile collar (3) is set, device pencil (4) in the mobile collar (3) in the groove (5).
2. a kind of multifunctional compass according to claim 1, it is characterized in that: described groove (5) is parallel with ruler (1) scale face.
3. a kind of multifunctional compass according to claim 1, it is characterized in that: described ruler (1) is rectangle.
CN 201220260200 2012-05-29 2012-05-29 Multifunctional compasses Expired - Fee Related CN202656727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220260200 CN202656727U (en) 2012-05-29 2012-05-29 Multifunctional compasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220260200 CN202656727U (en) 2012-05-29 2012-05-29 Multifunctional compasses

Publications (1)

Publication Number Publication Date
CN202656727U true CN202656727U (en) 2013-01-09

Family

ID=47451655

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220260200 Expired - Fee Related CN202656727U (en) 2012-05-29 2012-05-29 Multifunctional compasses

Country Status (1)

Country Link
CN (1) CN202656727U (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: 20130109

Termination date: 20130529