CN2645933Y - Compasses - Google Patents
Compasses Download PDFInfo
- Publication number
- CN2645933Y CN2645933Y CN 03284389 CN03284389U CN2645933Y CN 2645933 Y CN2645933 Y CN 2645933Y CN 03284389 CN03284389 CN 03284389 CN 03284389 U CN03284389 U CN 03284389U CN 2645933 Y CN2645933 Y CN 2645933Y
- Authority
- CN
- China
- Prior art keywords
- pencil
- compasses
- movable clamp
- inside diameter
- utility
- 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
Links
Images
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses a compasses, comprising a compass body made up of a locating rod and a drawing rod whose ends are hinged with together, wherein, a movable clamp whose inside diameter is corresponding to the outside diameter of the pencil is arranged on the drawing rod, the surface of the inside diameter of the movable clamp is provided with an antiskid chequer, and the lateral wall is provided with a locating screw. The substitution of common pencil for special pencil, especially the recycle of pencil stump, saves expense and avoids the lead breaking phenomenon because of the adoption of the proposal. The arrangement of the antiskid chequer in the inside diameter surface of the movable clamp and the arrangement of the locating screw on the lateral wall of the movable clamp fix the pencil and make the circular degree of the drew circle more accurate.
Description
Technical field:
The utility model relates to a kind of stationery, just relates to a kind of compasses specifically.
Background technology:
Compasses are a kind of stationery that engineers and technicians and student often use; for student (particularly students in middle and primary schools); running into compasses through regular meeting pushes, collides in school bag, writing case and the plumbous phenomenon that causes breaking; what existing compasses used all is special-purpose lead for retractable pencils; disconnected plumbous frequent replacing that need taken place; this just gives to use at ordinary times and brings unnecessary trouble, and has increased spending.
The utility model content:
The purpose of the utility model is to provide a kind of simple in structure, convenient and practical compasses at above-mentioned existing in prior technology deficiency, and it does not need special-purpose lead for retractable pencil, gets final product with common pencil.
For achieving the above object, the utility model can be achieved through the following technical solutions:
Compasses of the present utility model, it comprises that described animation bar is provided with an internal diameter and the corresponding live splint of pencil external diameter by an end be hinged together backstay and the compasses body formed of animation bar.
Inside diameter surface at described live splint is provided with anti-skidding line.
The sidewall of described live splint is provided with dog screw.
Advantage of the present utility model is to have adopted above technical scheme, with common lead hand double generation special-purpose lead for retractable pencil, particularly can will utilize again with short pencil stub, saved spending, simultaneously also avoid resolving plumbous phenomenon, be provided with on anti-skidding line and the sidewall at live splint at the inside diameter surface of described live splint dog screw is set, its purpose is fastening pencil, makes the circularity of drawn circle more accurate.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 be Figure 1A-A to profile.
The specific embodiment:
As shown in the figure, compasses of the present utility model, it comprises by an end be hinged together backstay 1 and the compasses body formed of animation bar 2, described animation bar 2 is provided with an internal diameter and the corresponding live splint 3 of pencil external diameter, inside diameter surface at live splint 3 is provided with anti-skidding line 4, and its sidewall is provided with dog screw 5.
Claims (3)
1, a kind of compasses, it comprises that it is characterized in that: described animation bar (2) is provided with an internal diameter and the corresponding live splint of pencil external diameter (3) by an end be hinged together backstay (1) and the compasses body formed of animation bar (2).
2, compasses according to claim 1 is characterized in that: the inside diameter surface at described live splint (3) is provided with anti-skidding line (4).
3, compasses according to claim 1 is characterized in that: the sidewall of described live splint (3) is provided with dog screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284389 CN2645933Y (en) | 2003-09-29 | 2003-09-29 | Compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284389 CN2645933Y (en) | 2003-09-29 | 2003-09-29 | Compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2645933Y true CN2645933Y (en) | 2004-10-06 |
Family
ID=34303800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03284389 Expired - Fee Related CN2645933Y (en) | 2003-09-29 | 2003-09-29 | Compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2645933Y (en) |
-
2003
- 2003-09-29 CN CN 03284389 patent/CN2645933Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |