CN202923219U - Compasses - Google Patents
Compasses Download PDFInfo
- Publication number
- CN202923219U CN202923219U CN 201220533100 CN201220533100U CN202923219U CN 202923219 U CN202923219 U CN 202923219U CN 201220533100 CN201220533100 CN 201220533100 CN 201220533100 U CN201220533100 U CN 201220533100U CN 202923219 U CN202923219 U CN 202923219U
- Authority
- CN
- China
- Prior art keywords
- compass
- leg
- compasses
- groove
- pilot pin
- 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
A pair of compasses mainly comprises compass legs, a connecting element, a compass needle point and a pencil point, wherein upper ends of the two compass legs are hinged with the connecting element through a hinge, the lower portion of one compass leg is provided with a drawing pencil connected with the lower portion of the compass leg, a locating needle with the outward needle point is fixed to the lower portion of the other compass leg, a groove is formed in the lower portion of the compass leg provided with the locating leg, the length of the groove is larger than or equal to that of the locating needle, a through hole is arranged in the upper portion of the locating needle and corresponds to a through hole at the lower end of the compass leg provided with the locating needle, a screw rod is arranged in the two through holes, two ends of the screw rod are respectively provided with one nut, and the locating needle can be hinged in the groove through the two nuts. The needle point of the pair of the compasses can be retracted and hidden, and is simple in structure.
Description
technical fieldthe utility model relates to a kind of study article.
background technologyexisting compasses mainly comprise compass leg, connector, compasses needle point and nib, wherein, the upper end of two compass legs is hinged by hinge and above-mentioned connector, and wherein the bottom of a compass leg is provided with coupled paintbrush, and the bottom of another root leg of compasses is fixed with a pilot pin that needle point is outside.Its weak point: needle point is exposed is easy to scratch hand outside.
summary of the inventionthe purpose of this utility model is to provide a kind of needle point and can stretches out and can hide, and a kind of compasses simple in structure.
The utility model is mainly on the basis of original compasses, bottom at the compass leg that is provided with pilot pin, be provided with groove, the length of this groove should be greater than or equal to the length of pilot pin, and the top of this pilot pin is provided with through hole, and it is corresponding with the through hole that is located at the compass leg lower end, establish a screw rod in both through holes, two ends at this screw rod, be arranged with nut, by two nuts, can be hinged on pilot pin in above-mentioned groove.
The utility model in use, can be opened compasses and directly draw, and after being used to complete, unclamps nut, and the compasses needle point is turned among above-mentioned groove.
The utility model compared with prior art has following advantage: pilot pin can stretch out and can hide, and simple in structure.
the accompanying drawing explanationfig. 1 is that master of the present utility model looks simplified schematic diagram.
the specific embodimentin the master of the present utility model shown in Fig. 1 looks simplified schematic diagram, the upper end of two compass legs is hinged by hinge and above-mentioned connector, wherein the bottom of a compass leg is provided with coupled paintbrush, the bottom of another root leg of compasses is fixed with a pilot pin 1 that needle point is outside, bottom at the compass leg that is provided with pilot pin, be provided with groove 2, the length of this groove should be greater than or equal to the length of pilot pin, the top of this pilot pin is provided with through hole, it is corresponding with the through hole that is located at the compass leg lower end, establish a screw rod 3 in both through holes, two ends at this screw rod, be arranged with nut 4, by two nuts, can be hinged on pilot pin in above-mentioned groove.
Claims (1)
1. compasses, mainly comprise compass leg, connector, compasses needle point and nib, wherein, the upper end of two compass legs is hinged by hinge and above-mentioned connector, wherein the bottom of a compass leg is provided with coupled paintbrush, the bottom of another root leg of compasses is fixed with a pilot pin that needle point is outside, it is characterized in that: in the bottom of the compass leg that is provided with pilot pin, be provided with groove, the length of this groove should be greater than or equal to the length of pilot pin, the top of this pilot pin is provided with through hole, it is corresponding with the through hole that is located at the compass leg lower end, establish a screw rod in both through holes, two ends at this screw rod, be arranged with nut, by two nuts, can be hinged on pilot pin in above-mentioned groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533100 CN202923219U (en) | 2012-10-18 | 2012-10-18 | Compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533100 CN202923219U (en) | 2012-10-18 | 2012-10-18 | Compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202923219U true CN202923219U (en) | 2013-05-08 |
Family
ID=48213213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220533100 Expired - Fee Related CN202923219U (en) | 2012-10-18 | 2012-10-18 | Compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202923219U (en) |
-
2012
- 2012-10-18 CN CN 201220533100 patent/CN202923219U/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: 20130508 Termination date: 20131018 |