CN203004809U - Device for quickly measuring and drawing angle - Google Patents
Device for quickly measuring and drawing angle Download PDFInfo
- Publication number
- CN203004809U CN203004809U CN 201320008291 CN201320008291U CN203004809U CN 203004809 U CN203004809 U CN 203004809U CN 201320008291 CN201320008291 CN 201320008291 CN 201320008291 U CN201320008291 U CN 201320008291U CN 203004809 U CN203004809 U CN 203004809U
- Authority
- CN
- China
- Prior art keywords
- cavity
- angle
- protractor body
- protractor
- scale layer
- 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 device for quickly measuring and drawing an angle. The device comprises a protractor body provided with a scale layer, wherein a cavity shaped similar to the protractor body is arranged inside the protractor body; the middle lines of the cavity and the protractor body are superposed; and a rotary pointer pointing to the scale layer is arranged at the center of the bottom edge of the cavity. Through the adoption of the structure, as long as the rotary pointer is pulled to a certain position, two line segments forming an angle can be drawn along the rotary pointer and the bottom edge of the cavity, so that the angle can be measured while the two line segments of the corresponding angle can be drawn quickly, as a result, the problems of inconvenience for drawing an angle by the conventional protractors due to multistep operations and angle limitation of the conventional set squares can be solved, and besides, the device integrates the functions of protractors, set squares and the like, and is very suitable for students, surveying and designing personnel, and the like to use.
Description
Technical field
The utility model belongs to the schooling apparatus field, is specifically related to a kind of quick angulation angle drawing device.
Background technology
When carrying out the picture angle with protractor, its operation is at first to draw straight line to make bus, and then the utilization hornwork determines on respective angles a bit, connects at last the initial point of this point and bus with ruler or set square, so just can draw two line segments with respective angles, very loaded down with trivial details; And existing set square can draw two line segments with respective angles rapidly, but its angle is limited, only has 30,60,45 degree etc., and the scope of application is narrower.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and a kind of quick angulation angle drawing device is provided, and it can make two line segments that consist of the angle when measuring angle, and the troublesome operation of the line that need not first to fix a point again is convenient and practical.
The technical scheme that the utility model adopts is: a kind of quick angulation angle drawing device, comprise the protractor body with scale layer, described protractor body interior is provided with the cavity with its appearance similar, the center line of the center line of described cavity and described protractor body coincides, and the center, base of this cavity is provided with the rotating pointer of a described scale layer of sensing.
As preferably, described protractor body and the equal semicircular in shape of described cavity.
As preferably, the length of described rotating pointer is greater than the radius of described cavity.
As preferably, the circular arc side of described cavity be provided with indent, embed the chute that slides for described rotating pointer.
The beneficial effects of the utility model are: because the utility model adopts said structure, it both can draw two line segments with respective angles rapidly when realizing measuring angle, only rotating pointer need to be dialed to assigned address, just can draw along the base of rotating pointer and cavity, both solved the inconvenience that needs the multistep operation when using existing protractor to draw angle, solved again the limited problem of existing set square angle, integrate especially the functions such as protractor and set square, be fit to very much the librarian uses such as student, mapping design.
Description of drawings
Fig. 1 is the utility model structural representation.
In figure: 1, protractor body; 2, cavity; 3, scale layer; 4, rotating pointer; 5, chute.
The specific embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in further detail.
As shown in Figure 1, a kind of quick angulation angle drawing device, comprise the protractor body 1 with scale layer 3, described protractor body 1 inside is provided with the cavity 2 with its appearance similar, described protractor body 1 and the equal semicircular in shape of described cavity 2, the center line of the center line of described cavity 2 and described protractor body 1 coincides, and the center, base of this cavity 2 is provided with the rotating pointer 4 of a described scale layer 3 of sensing, and the length of described rotating pointer 4 is greater than the radius of described cavity 2.
Preferably, the circular arc side of described cavity 2 is provided with chute 5 indent, that supply described rotating pointer 4 embeddings to slide, in the middle of rotating pointer 4 embedding chutes 5, avoids rotating pointer 4 adverse effects such as damage or error to occur.
Because the utility model adopts said structure, it both can draw two line segments with respective angles rapidly when realizing measuring angle, only rotating pointer 4 need to be dialed to assigned address, just can draw along the base of rotating pointer 4 and cavity 2, both solved the inconvenience that needs the multistep operation when using existing protractor to draw angle, solved again the limited problem of existing set square angle, integrate especially the functions such as protractor and set square, be fit to very much the librarian uses such as student, mapping design.
The above, it is only the utility model preferred embodiment, therefore can not limit the scope that the utility model is implemented with this, the equivalence of namely doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (4)
1. quick angulation angle drawing device, comprise the protractor body (1) with scale layer (3), it is characterized in that: described protractor body (1) inside is provided with the cavity (2) with its appearance similar, the center line of the center line of described cavity (2) and described protractor body (1) coincides, and the center, base of this cavity (2) is provided with the rotating pointer (4) of a described scale layer of sensing (3).
2. quick angulation angle drawing device according to claim 1, is characterized in that: the equal semicircular in shape of described protractor body (1) and described cavity (2).
3. quick angulation angle drawing device according to claim 2, it is characterized in that: the length of described rotating pointer (4) is greater than the radius of described cavity (2).
4. quick angulation angle drawing device according to claim 3 is characterized in that: the circular arc side of described cavity (2) be provided with indent, embed the chute (5) that slides for described rotating pointer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008291 CN203004809U (en) | 2013-01-08 | 2013-01-08 | Device for quickly measuring and drawing angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008291 CN203004809U (en) | 2013-01-08 | 2013-01-08 | Device for quickly measuring and drawing angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203004809U true CN203004809U (en) | 2013-06-19 |
Family
ID=48596434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320008291 Expired - Fee Related CN203004809U (en) | 2013-01-08 | 2013-01-08 | Device for quickly measuring and drawing angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203004809U (en) |
-
2013
- 2013-01-08 CN CN 201320008291 patent/CN203004809U/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: 20130619 Termination date: 20140108 |