CN204184084U - A kind of ruler - Google Patents
A kind of ruler Download PDFInfo
- Publication number
- CN204184084U CN204184084U CN201420605792.0U CN201420605792U CN204184084U CN 204184084 U CN204184084 U CN 204184084U CN 201420605792 U CN201420605792 U CN 201420605792U CN 204184084 U CN204184084 U CN 204184084U
- Authority
- CN
- China
- Prior art keywords
- ruler
- groove
- nib
- syringe needle
- needle stand
- 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
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of ruler, this ruler comprises ruler body, the scale edge at the back side of described ruler is equidistantly provided with multiple groove, the end hinge of groove is connected with syringe needle, graduation mark " 0 " place of ruler is provided with nib, with the syringe needle at respective radius scale place for the center of circle, the nib at ruler place is used to carry out picture circle.
Description
Technical field
The utility model relates to stationery field, particularly a kind of ruler.
Background technology
In mathematics studying, ruler and compasses are the two kinds of stationery often used, but due to the particularity of compasses, often occur that student leaves behind the phenomenon of compasses in daily learning process, cause bringing inconvenience in learning process.
Utility model content
Technical problem to be solved in the utility model is to provide a kind ofly can draw round ruler, to solve the above-mentioned multinomial defect caused in prior art.
For achieving the above object, the utility model provides following technical scheme: a kind of ruler, comprises ruler body, and the scale edge at the back side of described ruler is equidistantly provided with multiple groove, the end hinge of groove is connected with syringe needle, and graduation mark " 0 " place of ruler is provided with nib.
Preferably, described syringe needle comprises needle stand and is arranged on the spike body on needle stand, and needle stand is connected with groove hinge.
Preferably, the both sides of described groove are provided with salient point, and needle stand is provided with the inside groove matched with salient point in the position of correspondence.
Preferably, described nib and ruler removably connect.
The beneficial effect of above technical scheme is adopted to be: the ruler of the utility model structure, during use, the syringe needle at respective radius scale place is overturn out, as the center of circle, justify with this radius, nib removably connects and is convenient for changing nib, the needle stand of syringe needle and groove corresponding to ruler are respectively equipped with inside groove and salient point, are conveniently fixed in groove by syringe needle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of syringe needle shown in Fig. 1.
Wherein, 1--ruler, 2--syringe needle, 3--nib, 4--groove, 5--needle stand, 6--inside groove, 7--salient point.
Detailed description of the invention
A kind of preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Fig. 1 and Fig. 2 illustrates detailed description of the invention of the present utility model: a kind of ruler 1, comprise ruler 1 body, the scale edge at the back side of described ruler 1 is equidistantly provided with multiple groove 4, the end hinge of groove 4 is connected with syringe needle 2, graduation mark " 0 " place of ruler 1 is provided with nib 3, syringe needle 2 body that syringe needle 2 comprises needle stand 5 and is arranged on needle stand 5, needle stand 5 and groove 4 chain connection, the both sides of groove 4 are provided with salient point 7, needle stand 5 is provided with the inside groove 6 matched with salient point 7 in the position of correspondence, nib 3 and ruler 1 removably connect.
In implementation process, the ruler 1 of the utility model structure, during use, the syringe needle 2 at respective radius scale place is overturn out, as the center of circle, justify with this radius, nib 3 removably connects and is convenient for changing nib 3, and the needle stand 5 of syringe needle 2 and groove 4 place of ruler 1 correspondence are respectively equipped with inside groove 6 and salient point 7, is conveniently fixed in groove 4 by syringe needle 2.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (4)
1. a ruler, comprises ruler body, it is characterized in that: the scale edge at the back side of described ruler is equidistantly provided with multiple groove, and the end hinge of groove is connected with syringe needle, and graduation mark " 0 " place of ruler is provided with nib.
2. ruler according to claim 1, is characterized in that: described syringe needle comprises needle stand and is arranged on the spike body on needle stand, and needle stand is connected with groove hinge.
3. ruler according to claim 2, is characterized in that: the both sides of described groove are provided with salient point, and needle stand is provided with the inside groove matched with salient point in the position of correspondence.
4. the ruler according to claims 1 to 3 any one claim, is characterized in that: described nib and ruler removably connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605792.0U CN204184084U (en) | 2014-10-20 | 2014-10-20 | A kind of ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605792.0U CN204184084U (en) | 2014-10-20 | 2014-10-20 | A kind of ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204184084U true CN204184084U (en) | 2015-03-04 |
Family
ID=52616113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420605792.0U Expired - Fee Related CN204184084U (en) | 2014-10-20 | 2014-10-20 | A kind of ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204184084U (en) |
-
2014
- 2014-10-20 CN CN201420605792.0U patent/CN204184084U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20151020 |
|
| EXPY | Termination of patent right or utility model |