CN201941421U - Compass being capable of storing lead - Google Patents

Compass being capable of storing lead Download PDF

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Publication number
CN201941421U
CN201941421U CN201120016091XU CN201120016091U CN201941421U CN 201941421 U CN201941421 U CN 201941421U CN 201120016091X U CN201120016091X U CN 201120016091XU CN 201120016091 U CN201120016091 U CN 201120016091U CN 201941421 U CN201941421 U CN 201941421U
Authority
CN
China
Prior art keywords
lead
leg
cylinder
cylinders
retractable pencil
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
CN201120016091XU
Other languages
Chinese (zh)
Inventor
杜显军
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 CN201120016091XU priority Critical patent/CN201941421U/en
Application granted granted Critical
Publication of CN201941421U publication Critical patent/CN201941421U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

The utility model relates to a compass being capable of storing lead, which comprises a steel needle, a centring leg, a swing handle and a circle describing leg and is characterized in that the centring leg comprises an upper cylinder and a lower cylinder; the two cylinders are movably connected through a thread; the lower end of the lower cylinder is plugged; and the steel needle is arranged at the lower end of the lower cylinder. The lead is stored in the cylinders of the centring leg at ordinary times, and when the lead needs to be replaced, the cylinders of the centring leg are disassembled to take out the lead, and then new lead is installed in the cylinders. Moreover, the compass being capable of storing the lead has a simple structure and is easy to manufacture, is convenient to use and is easy to popularize.

Description

A kind of compasses that can store lead for retractable pencil
Technical field
The utility model relates to a kind of compasses, relates to a kind of compasses that can store lead for retractable pencil specifically.
Background technology
Compasses are the mathematics and a kind of instrument commonly used of drawing, in use often run into the thing that lead for retractable pencil shortens or ruptures, at this moment need to look in addition lead for retractable pencil to replace, sometimes also can not find for the moment required lead for retractable pencil, delay use, though the complete compasses that have have standby lead for retractable pencil, standby lead for retractable pencil is not to be stored in the compasses body, but be contained in another box, find out change again also pretty troublesome, time-consuming.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of compasses that can store lead for retractable pencil.
Technical solution of the present utility model is: a kind of compasses that can store lead for retractable pencil, comprise draw point, centering leg, swing handle, picture circle leg, it is characterized in that: the centering leg is made up of upper and lower two cylinders, the internal diameter of last cylinder equals the external diameter of cylinder down, these two cylinders flexibly connect by screw thread, the lower end shutoff of following cylinder, draw point is arranged on down the lower end of cylinder.
At ordinary times lead for retractable pencil is stored in the cylinder of centering leg, when needing to change lead for retractable pencil, dismantles the cylinder of centering leg, the taking-up lead for retractable pencil is changed and is got final product.
The utility model is simple in structure, easy to manufacture in addition, and is easy to use, is easy to promote.
Although in conjunction with the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make the concrete conversion of a lot of forms, these all belong within the protection domain of the present utility model.
Description of drawings
Fig. 1 is a cutaway view of the present utility model
Wherein: 1-draw point, the 2-leg of feeling relieved, 3-swing handle, 4-are drawn circle leg, 5-lead for retractable pencil.
The specific embodiment
As shown in Figure 1, a kind of compasses that can store lead for retractable pencil, comprise draw point 1, centering leg 2, swing handle 3, draw circle leg 4, it is characterized in that: centering leg 2 is made up of upper and lower two cylinders, the internal diameter of last cylinder equals the external diameter of cylinder down, these two cylinders flexibly connect by screw thread, the lower end shutoff of following cylinder, and draw point 1 is arranged on down the lower end of cylinder.
At ordinary times lead for retractable pencil is stored in the cylinder of centering leg 2, when needing to change lead for retractable pencil, dismantles the cylinder of centering leg 2, the taking-up lead for retractable pencil is changed and is got final product.

Claims (1)

1. compasses that can store lead for retractable pencil, comprise draw point (1), centering leg (2), swing handle (3), draw circle leg (4), it is characterized in that: centering leg (2) is made up of upper and lower two cylinders, the internal diameter of last cylinder equals the external diameter of cylinder down, these two cylinders flexibly connect by screw thread, the lower end shutoff of following cylinder, draw point (1) is arranged on down the lower end of cylinder.
CN201120016091XU 2011-01-13 2011-01-13 Compass being capable of storing lead Expired - Fee Related CN201941421U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120016091XU CN201941421U (en) 2011-01-13 2011-01-13 Compass being capable of storing lead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120016091XU CN201941421U (en) 2011-01-13 2011-01-13 Compass being capable of storing lead

Publications (1)

Publication Number Publication Date
CN201941421U true CN201941421U (en) 2011-08-24

Family

ID=44468773

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120016091XU Expired - Fee Related CN201941421U (en) 2011-01-13 2011-01-13 Compass being capable of storing lead

Country Status (1)

Country Link
CN (1) CN201941421U (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: 20110824

Termination date: 20120113