CN201941421U - Compass being capable of storing lead - Google Patents
Compass being capable of storing lead Download PDFInfo
- 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
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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
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.
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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2011
- 2011-01-13 CN CN201120016091XU patent/CN201941421U/en not_active Expired - Fee Related
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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 |