CN201736653U - Pair of compasses exerting no damage on paper - Google Patents
Pair of compasses exerting no damage on paper Download PDFInfo
- Publication number
- CN201736653U CN201736653U CN2010202831929U CN201020283192U CN201736653U CN 201736653 U CN201736653 U CN 201736653U CN 2010202831929 U CN2010202831929 U CN 2010202831929U CN 201020283192 U CN201020283192 U CN 201020283192U CN 201736653 U CN201736653 U CN 201736653U
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- CN
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- Prior art keywords
- leg
- compasses
- paper
- fixing
- bearing
- 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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Abstract
The utility model relates to stationery, and more particular to a pair of compasses exerting no damage on paper comprising a fixing leg, a movable leg and a handle, wherein the external side of the movable leg is provided with an adjustable annular pen clip; wherein the bottom end of the fixing leg is provided with a bearing, the external side of the bearing being provided with a protective pad. In usage, the pair of compasses can draw a required circle by first adjusting the distance between the fixing leg and the movable leg as required and then fixing the fixing leg to the circle center point and spinning rotating the movable leg around the circle center point a circle. The protective pad and the bearing connection between the protective pad and the fixing leg can prevent damage of the fixing leg to paper, guarantee rotating of the fixing leg with no move of the protective pad, thus realizing an accurate drawing and a convenient usage.
Description
Technical field
The utility model relates to a kind of stationery, specifically a kind of compasses that do not destroy paper.
Background technology
As middle school student, compasses belong to daily learning tool.But traditional compasses have a big shortcoming in use, and the tip that is positioned at the center of circle is easy to scratch paper, both influenced attractive in appearance, the accuracy of influence mapping again.
The utility model content
The purpose of this utility model is to provide a kind of compasses that do not destroy paper, and these compasses can allow the user use compasses more easily, can the paper of mapping not damaged.
The technical scheme in the invention for solving the technical problem is: this kind do not destroy the compasses of paper; comprise fixing feet, movable pin and handle; it is characterized in that; the ring-type pen clip that can adjust size is equipped with in the outside of described movable pin; described fixing feet bottom is provided with a bearing, and the outside of bearing is provided with neonychium.
The beneficial effects of the utility model are: the bottom in fixing feet is provided with neonychium; neonychium can prevent that the fixing feet paper of will mapping from scratching; owing to connect by bearing between neonychium and the fixing feet; can guarantee that fixing feet realizes rotation under the situation that neonychium does not move; mapping accurately, and is easy to use.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1 movable pin, 2 pen clips, 3 bearings, 4 neonychiums, 5 fixing feet, 6 handles.
The specific embodiment
As shown in Figure 1.Do not destroy the compasses of paper, comprise fixing feet 5, movable pin 1 and handle 6, the ring-type pen clip 2 that can adjust size is equipped with in the outside of described movable pin 1, and described fixing feet 5 bottoms are provided with a bearing 3, and the outside of bearing 3 is provided with neonychium 4.
During use; after adjusting distance between fixing feet 5 and the movable pin 1 according to drawn radius of a circle fixing feet 5 is fixed to centre point; movable pin 1 is around the centre point required circle that can draw that rotates a circle; neonychium 4 can prevent that fixing feet 5 paper of will mapping from scratching; owing to connect by bearing 3 between neonychium 4 and the fixing feet 5; can guarantee that fixing feet 5 realizes rotation under the situation that neonychium 4 does not move, mapping accurately, and is easy to use.
Claims (1)
1. do not destroy the compasses of paper, comprise fixing feet, movable pin and handle, it is characterized in that, the ring-type pen clip that can adjust size is equipped with in the outside of described movable pin, and described fixing feet bottom is provided with a bearing, and the outside of bearing is provided with neonychium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202831929U CN201736653U (en) | 2010-08-06 | 2010-08-06 | Pair of compasses exerting no damage on paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202831929U CN201736653U (en) | 2010-08-06 | 2010-08-06 | Pair of compasses exerting no damage on paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201736653U true CN201736653U (en) | 2011-02-09 |
Family
ID=43551937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202831929U Expired - Fee Related CN201736653U (en) | 2010-08-06 | 2010-08-06 | Pair of compasses exerting no damage on paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201736653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749416A (en) * | 2018-06-25 | 2018-11-06 | 浙江工业大学 | One kind not hindering paper compasses |
-
2010
- 2010-08-06 CN CN2010202831929U patent/CN201736653U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749416A (en) * | 2018-06-25 | 2018-11-06 | 浙江工业大学 | One kind not hindering paper compasses |
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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: 20110209 Termination date: 20110806 |