CN202491600U - Needle rod telescopic compasses - Google Patents
Needle rod telescopic compasses Download PDFInfo
- Publication number
- CN202491600U CN202491600U CN201220137447XU CN201220137447U CN202491600U CN 202491600 U CN202491600 U CN 202491600U CN 201220137447X U CN201220137447X U CN 201220137447XU CN 201220137447 U CN201220137447 U CN 201220137447U CN 202491600 U CN202491600 U CN 202491600U
- Authority
- CN
- China
- Prior art keywords
- compasses
- needle rod
- shank
- telescopic
- rod telescopic
- 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
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Provided are needle rod telescopic compasses. A telescopic device is arranged on a needle portion of the compasses. The needle rod telescopic compasses consist of a needle rod, a screw, an anti-skidding nut and a clamping groove. The needle rod can telescopically slide in the clamping groove and is fixed by the screw and the anti-skidding nut. The needle rod telescopic compasses have the advantages that the needle rod of the compasses can be fast stretched and locked at any time, so operation is convenient; the needle rod telescopic compasses are small in size and simple in structure, and effectively achieve safety of the compasses, are suitable for various kinds of compasses, particularly to multifunctional compasses.
Description
Affiliated technical field:
The present invention relates to the telescopic compasses of a kind of shank.
Background technology:
At present, the not flexible of compasses shank that Most students is used after finishing using, causes security incident because shank can not regain easily, has certain danger.
Summary of the invention:
The utility model technical issues that need to address are the shank part at compasses, and a kind of telescopic mounting is set.
The utility model solves the technical scheme that its technical problem adopted: form by shank, screw, anti-skidding nut, draw-in groove, shank can be in draw-in groove slides in telescopic, be fixed by screw and anti-skidding nut.
The beneficial effect of the utility model is: device volume is little, and simple structure can also be locked compasses shank quick-expansion at any time, and is easy to operate, has solved the safety problem of compasses effectively, is applicable to various compasses, particularly multifunctional compass.
Description of drawings:
Below in conjunction with accompanying drawing the present invention is further specified.
Fig. 1 is the structural representation of the utility model, among the figure, and 1, compass foot; 2, draw-in groove; 3, anti-skidding nut; 4, screw; 5, shank.
The specific embodiment:
The utility model is in the punching of shank upper end; With screw and anti-skidding nut shank is fixed in the draw-in groove; When needs stretched out shank, user's only with hand was unscrewed anti-skidding nut, shank was slided and tightened anti-skidding nut get final product; After finishing using, the user unscrews anti-skidding nut and shank is upwards slided the back is fixing to get final product.
Claims (1)
1. telescopic compasses of shank, by shank, screw; Anti-skidding nut, draw-in groove is formed, and it is characterized in that: on shank, punch; With screw and anti-skidding nut shank is fixed in the draw-in groove, can carries out telescopic adjustment through the anti-skidding nut of degree of tightness to shank as required during use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220137447XU CN202491600U (en) | 2012-04-04 | 2012-04-04 | Needle rod telescopic compasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220137447XU CN202491600U (en) | 2012-04-04 | 2012-04-04 | Needle rod telescopic compasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491600U true CN202491600U (en) | 2012-10-17 |
Family
ID=46997839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220137447XU Expired - Fee Related CN202491600U (en) | 2012-04-04 | 2012-04-04 | Needle rod telescopic compasses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202491600U (en) |
-
2012
- 2012-04-04 CN CN201220137447XU patent/CN202491600U/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: 20121017 Termination date: 20130404 |