CN201432517Y - Compass - Google Patents

Compass Download PDF

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Publication number
CN201432517Y
CN201432517Y CN200920042775XU CN200920042775U CN201432517Y CN 201432517 Y CN201432517 Y CN 201432517Y CN 200920042775X U CN200920042775X U CN 200920042775XU CN 200920042775 U CN200920042775 U CN 200920042775U CN 201432517 Y CN201432517 Y CN 201432517Y
Authority
CN
China
Prior art keywords
leg
compasses
crossfoot
utility
model
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
CN200920042775XU
Other languages
Chinese (zh)
Inventor
许钧崴
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 CN200920042775XU priority Critical patent/CN201432517Y/en
Application granted granted Critical
Publication of CN201432517Y publication Critical patent/CN201432517Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a compass, which comprises a drawing supporting foot (1) and a positioning supporting foot (2), and is characterized in that a sucking disc (3) is arranged at the tail end of the positioning supporting foot (2). The utility model uses the sucking disc to replace the prior needlepoint so as to solve the problem that paper and blackboards are scratched by the compass, andthe use is convenient.

Description

Compasses
Technical field
The utility model relates to a kind of compasses.
Background technology
At present, the compasses that use in students in middle and primary schools and the teaching process are mainly the bipod compasses, and the end of wherein locating leg is a needle point, is used for locating the center of circle; The end of drawing leg is a nib, is used for drawing.
There is such weak point in these type of compasses: when the first, the pupil uses compasses, can not rationally grasp dynamics, with needle point paper be scratched easily, be difficult to accurately mark the center of circle; When the second, teacher used compasses to draw on blackboard, needle point scratched blackboard easily; Three, compasses are overall structure, carry inconvenience.
The utility model content
The purpose of this utility model is to provide the compasses of a kind of suitable teaching and study use.
The purpose of this utility model is achieved in that a kind of compasses, comprises drawing leg and location leg, and the end of described location leg is provided with sucker.
Convenient for compasses are rotated, described sucker links to each other with described location leg by multi-directional ball.
Dismounting for convenience, described drawing leg links to each other by a crossfoot with described location leg.
The connected mode of crossfoot and two legs can design like this, and an end of described crossfoot is nested on the shaft of described location leg; Described drawing leg is nested on the described crossfoot, certainly, also can adopt other feasible connected modes.
In order to reduce the quantity of the stationery that carries, be convenient for carrying, described crossfoot is the chi that has scale; The pen of described drawing leg for writing.Be provided with like this, can save a ruler and a writing pen.
The beneficial effects of the utility model are:
1, the utility model uses sucker to substitute existing needle point, has solved the problem that compasses scratch paper and blackboard, and is easy to use;
2, the utility model is a demountable structure, is assembled into by conventional ruler that uses of student and pen, and is easy to carry, economical and practical.
Description of drawings
Fig. 1 is the utility model product structure schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, technical solutions of the utility model are elaborated, but protection domain of the present utility model is not limited to described embodiment.
Embodiment 1
As shown in Figure 1, a kind of compasses comprise drawing leg 1 and location leg 2, and the end of described location leg 2 is provided with sucker 3; Described sucker 3 links to each other with described location leg 2 by multi-directional ball 4; Described drawing leg 1 links to each other by a crossfoot 5 with described location leg 2; One end of described crossfoot 5 is nested on the shaft of described location leg 2; Described drawing leg 1 is nested on the described crossfoot 5; Described crossfoot 5 is for having the chi of scale; The pen of described drawing leg 1 for writing.

Claims (5)

1, a kind of compasses comprise drawing leg (1) and location leg (2), and it is characterized in that: the end of described location leg (2) is provided with sucker (3).
2, compasses according to claim 1 is characterized in that: described sucker (3) links to each other with described location leg (2) by multi-directional ball (4).
3, compasses according to claim 1 and 2 is characterized in that: described drawing leg (1) links to each other by a crossfoot (5) with described location leg (2).
4, compasses according to claim 3 is characterized in that: an end of described crossfoot (5) is nested on the shaft of described location leg (2); Described drawing leg (1) is nested on the described crossfoot (5).
5, compasses according to claim 4 is characterized in that: described crossfoot (5) is for having the chi of scale; The pen of described drawing leg (1) for writing.
CN200920042775XU 2009-06-25 2009-06-25 Compass Expired - Fee Related CN201432517Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920042775XU CN201432517Y (en) 2009-06-25 2009-06-25 Compass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920042775XU CN201432517Y (en) 2009-06-25 2009-06-25 Compass

Publications (1)

Publication Number Publication Date
CN201432517Y true CN201432517Y (en) 2010-03-31

Family

ID=42051330

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200920042775XU Expired - Fee Related CN201432517Y (en) 2009-06-25 2009-06-25 Compass

Country Status (1)

Country Link
CN (1) CN201432517Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106985578A (en) * 2017-04-02 2017-07-28 冯文达 Compasses point

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106985578A (en) * 2017-04-02 2017-07-28 冯文达 Compasses point

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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: 20100331

Termination date: 20100625