CN202599269U - Fastening-type protractor - Google Patents
Fastening-type protractor Download PDFInfo
- Publication number
- CN202599269U CN202599269U CN 201220257028 CN201220257028U CN202599269U CN 202599269 U CN202599269 U CN 202599269U CN 201220257028 CN201220257028 CN 201220257028 CN 201220257028 U CN201220257028 U CN 201220257028U CN 202599269 U CN202599269 U CN 202599269U
- Authority
- CN
- China
- Prior art keywords
- semicircular arc
- main scale
- fastening
- arm
- scale
- 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 discloses a fastening-type protractor which has a simple structure, is convenient and reliable to use and is high in measurement accuracy. The fastening-type protractor comprises a semicircular arc-shaped main scale and a straight scale which is connected with the semicircular arc-shaped main scale through a screw locking device, wherein the straight scale comprises an indicating arm corresponding to scales of the semicircular arc-shaped main scale and a measurement working arm corresponding to the measuring straight arm of the semicircular arc-shaped main scale.
Description
Technical field
The utility model relates to a kind of measurer, relates in particular to a fastening-type protractor.
Background technology
As the protractor that industry, processing manufacturing industry use, primary is to use conveniently, simple in structure, stands and falls, and can reach the fundamental measurement accuracy requirement, and particularly the protractor of some fairly simple machinings manufacturing workpiece uses is all the more so; Existing this type angle measuring tool, though some function ratio is more, the structure more complicated all make troubles for use, M R, and manufacturing cost is high; And the simple relatively protractor of some structures, then function is too single again, and measuring accuracy and durability are all barely satisfactory.
The utility model content
The purpose of the utility model is the deficiency that exists to prior art, and a kind of fastening-type protractor is provided.This fastening-type angle gage structure is simple, easy to use, reliable, and measuring accuracy is high.
The technical scheme of the utility model comprises the semicircular arc main scale; Through the ruler that screw-locking device is connected with said semicircular arc main scale, said ruler comprises corresponding to the indication arm of the scale of semicircular arc main scale with corresponding to the surveying work arm of the measurement straight-arm of semicircular arc main scale.
Said screw-locking device comprises dog screw and the check nut thereof between the corresponding position of middle part and ruler of the measurement straight-arm that is connected in the semicircular arc main scale.
The two ends of the measurement straight-arm of said semicircular arc main scale are provided with respectively scale beginning, the corresponding boss face of whole endpoints thereof with the semicircular arc main scale.
The utility model fastening-type protractor is not only simple in structure, durable, and maintenance is simple, and uses the laser writing scale mark, and reading error is little, can rule and measurement of angle to workpiece.
Description of drawings
Fig. 1 is the utility model fastening-type angle gage structure synoptic diagram.
Embodiment
Existing through embodiment and combine accompanying drawing that the utility model is described further.As shown in Figure 1, the angular detection scope of present embodiment fastening-type protractor is 0～180 degree; Semicircular arc main scale 1 is connected and composed by 1a of semicircular arc portion and measurement straight-arm 1b, through laser writing scale value is arranged on the wall of the 1a of semicircular arc portion; The both ends of measurement straight-arm 1b are provided with start index value and the corresponding boss face 3 of terminal scale value with semicircular arc main scale 1 respectively.
The two lateral walls face of the outer side surface of the measurement straight-arm 1b of semicircular arc main scale 1 and the surveying work arm 2b of ruler 2 forms the surveying work face of fastening-type protractor.
The protection domain that all belongs to the utility model based on other modified products of the technical scheme of this fastening-type protractor; The foregoing description is not embodiment exhaustive of the utility model.
Claims (3)
1. fastening-type protractor; Comprise the semicircular arc main scale; Through screw-locking device and the ruler that said semicircular arc main scale is connected, it is characterized in that said ruler comprises corresponding to the indication arm of the scale of semicircular arc main scale with corresponding to the surveying work arm of the measurement straight-arm of semicircular arc main scale.
2. according to the said fastening-type protractor of claim 1, it is characterized in that said screw-locking device comprises dog screw and the check nut thereof between the corresponding position of middle part and ruler of the measurement straight-arm that is connected in the semicircular arc main scale.
3. according to claim 1 or 2 said fastening-type protractors, the two ends that it is characterized in that the measurement straight-arm of said semicircular arc main scale are provided with respectively scale beginning, the corresponding boss face of whole endpoints thereof with the semicircular arc main scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257028 CN202599269U (en) | 2012-06-01 | 2012-06-01 | Fastening-type protractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257028 CN202599269U (en) | 2012-06-01 | 2012-06-01 | Fastening-type protractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202599269U true CN202599269U (en) | 2012-12-12 |
Family
ID=47316799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220257028 Expired - Fee Related CN202599269U (en) | 2012-06-01 | 2012-06-01 | Fastening-type protractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202599269U (en) |
-
2012
- 2012-06-01 CN CN 201220257028 patent/CN202599269U/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: 20121212 Termination date: 20150601 |
|
| EXPY | Termination of patent right or utility model |