CN2356865Y - Universal drawing instrument - Google Patents
Universal drawing instrument Download PDFInfo
- Publication number
- CN2356865Y CN2356865Y CN 98229984 CN98229984U CN2356865Y CN 2356865 Y CN2356865 Y CN 2356865Y CN 98229984 CN98229984 CN 98229984 CN 98229984 U CN98229984 U CN 98229984U CN 2356865 Y CN2356865 Y CN 2356865Y
- Authority
- CN
- China
- Prior art keywords
- main scale
- protractor
- screw
- fixed connector
- expansion
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a universal drawing instrument which comprises a main scale, a protractor and a compensator, wherein the protractor is positioned at one end of the main scale, and the protractor and the main scale are combined into a whole structure or are fixedly connected; the centre of the protractor is provided with an adjustable screw, and a guide rail is arranged on the main scale; the compensator on which a positioning clamp is provided matches with the guide rail on the main scale in a sliding mode by a movable connector and a fixed connector. The universal drawing instrument has the functions of a ruler, a protractor, a former bar and compasses and can be used conveniently for drawing an angle, a circle, an enlarged graphics, a central symmetric graphics, an axial symmetric graphics, parallel lines, an ellipse, a parabola, etc.
Description
The utility model relates to a kind of drawing instrument, particularly relates to a kind of general-purpose plotter.
At present, the drawing instrument kind is a lot, with regard to its instrument commonly used, mainly contains ruler, set square, protractor, compasses etc.These instruments all have unique function, but just very inconvenient as if carrying simultaneously.
It is one that the purpose of this utility model is to provide instrumental functions such as a kind of collection ruler, set square, protractor, compasses, the general-purpose plotter that serves many purposes.
The utility model general-purpose plotter is achieved in that it comprises main scale, protractor, expansion bend.Protractor is in main scale one end, and the two is overall structure or is connected and fixed that there is expansion screw in the protractor centre, and expansion screw can be adjusted up and down, can be used as the center of circle of protractor downwards when adjusting.Main scale is provided with guide rail, can adopt making such as round bar.Expansion bend is formed by pin is hinged by telescopic arm, telescopic arm is provided with pen plughole, inserting pen when being used to draw uses, expansion bend is slidingly matched by the guide rail on flexible jumper and fixed connector and the main scale, when the Guide Rail Design on the main scale is the circle bar, on the connector guide hole can be set, guide hole is worn to lead on the circle bar and with it and is slidingly matched, fixed connector is positioned at the expansion bend lower end, having screw that expansion bend is fixed on the fixed connector on it also is fixed on the main scale simultaneously, flexible jumper is provided with expansion screw, unscrew expansion screw, expansion bend and flexible jumper are broken away from, thereby expansion bend is rotated around fixed connector, also be provided with locator card on the expansion bend, be used for fixing the length after expansion bend stretches, for increasing its purposes, screw hole and corresponding screw are set on the adjacent pin in the both sides of fixed connector, when expansion bend after fixed connector turns an angle to the left or to the right, can hug to insert in the flexible jumper and screw adjusting screw, thereby fix after making expansion bend and main scale form certain angle.
The operation principle of the utility model general-purpose plotter is:
When utilizing the utility model general-purpose plotter to draw a certain angle, at first draw straight line along the main scale minor face, be rotated down the expansion screw at protractor center again, make it as the center of circle, the rotation main scale makes respective angles on the drawn adjusting to a line protractor, draw a line along the main scale minor face again, two straight lines intersect the angle of gained then for needing the angle of drafting.
When utilizing the utility model general-purpose plotter draw circles, on expansion bend, select a pen plughole to insert pen, unscrew the expansion screw on the flexible jumper, make shrinkage-rule break away from flexible jumper, unscrew locator card, regulate expansion bend length, measuring nib on the main scale to the distance between the fixed connector screw, being radius, screwing locator card again and make constant radius, is that circle is drawn in the center of circle with the fixed connector.
When utilizing the utility model general-purpose plotter to draw enlarged drawing, unscrew the expansion screw on the flexible jumper, make expansion bend break away from flexible jumper, and the length of adjustment shrinkage-rule, plug two pens at corresponding pen plughole, and the screw on the fixed connector is fixed on the drawing paper, and wherein one-pen moves along former figure, and one-pen is then drawn out the certain proportion enlarged drawing of former figure in addition.
When utilizing the utility model general-purpose plotter to draw the center symmetric graph, two pens are inserted in the pen plughole of fixed connector both sides symmetrically, other one-pen is then drawn its centrosymmetric image when moving along former figure with the one-pen drawing.
When utilizing the utility model general-purpose plotter to draw zhou duicheng tuxing, simultaneously expansion screw on the flexible jumper and the screw on the fixed connector are fixed on the paper, insert symmetrically in the pen plughole of fixed connector both sides with two pens, other then draws its zhou duicheng tuxing by one-pen when moving along former figure with one-pen.
When utilizing the utility model general-purpose plotter to draw parallel lines, loosening locator card, one-pen is inserted in the pen plughole of fixed connector one side, and be pulled outwardly animation and go out straight line, shrinkage-rule is slided on main scale, be pulled outwardly then and start writing, the second straight line that draws, the i.e. parallel lines of article one line.
Ellipse, parabola etc. equally can also draw.
It is one that the advantage of the utility model general-purpose plotter is to collect functions such as ruler, compasses, protractor, pantograph, has multiple drawing function, easy to carry.
Describe the utility model embodiment in detail below in conjunction with accompanying drawing.
Fig. 1: the utility model structural representation
Fig. 2: fixed connector connection diagram
Utilize the utility model general-purpose plotter to draw and comprise main scale 1, protractor 2, expansion bend 3.Protractor 2 is positioned at main scale 1 one ends, the two is an overall structure, there is expansion screw 4 in protractor 2 centres, main scale 1 is provided with guide rail 5, expansion bend 3 is slidingly matched by the guide rail 5 on flexible jumper 6 and fixed connector 7 and the main scale 1, and by pin 10 hinged forming, telescopic arm 9 is provided with pen plughole 11 and is provided with locator card 12 expansion bend 3 by telescopic arm 9.Expansion screw 4 is arranged on the flexible jumper 6, screw hole and corresponding adjustment screw 13 are arranged on the adjacent pin 10 in fixed connector 7 both sides, screw 14 is arranged on the fixed connector.
Claims (4)
1, a kind of general-purpose plotter, comprise main scale, protractor, expansion bend, it is characterized in that protractor is positioned at main scale one end, the two is overall structure or is connected and fixed, there is expansion screw in the protractor centre, main scale is provided with guide rail, and expansion bend is slidingly matched by the guide rail on flexible jumper and fixed connector and the main scale, and expansion bend is provided with locator card.
2, general-purpose plotter as claimed in claim 1 is characterized in that expansion bend is formed by pin is hinged by telescopic arm, and telescopic arm is provided with pen plughole, and fixed connector is positioned at the expansion bend lower end.
3, general-purpose plotter as claimed in claim 1 is characterized in that screw is arranged on the fixed connector, and expansion screw is arranged on the flexible jumper.
4, general-purpose plotter as claimed in claim 2 is characterized in that having on the adjacent pin in fixed connector both sides screw hole and corresponding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98229984 CN2356865Y (en) | 1998-12-01 | 1998-12-01 | Universal drawing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98229984 CN2356865Y (en) | 1998-12-01 | 1998-12-01 | Universal drawing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2356865Y true CN2356865Y (en) | 2000-01-05 |
Family
ID=33979767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98229984 Expired - Fee Related CN2356865Y (en) | 1998-12-01 | 1998-12-01 | Universal drawing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2356865Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130627A (en) * | 2018-08-20 | 2019-01-04 | 西安工程大学 | It is a kind of for drawing the drawing tool of bisector and parallel lines |
| CN112277478A (en) * | 2020-10-26 | 2021-01-29 | 江苏安全技术职业学院 | Graph duplicator |
-
1998
- 1998-12-01 CN CN 98229984 patent/CN2356865Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130627A (en) * | 2018-08-20 | 2019-01-04 | 西安工程大学 | It is a kind of for drawing the drawing tool of bisector and parallel lines |
| CN112277478A (en) * | 2020-10-26 | 2021-01-29 | 江苏安全技术职业学院 | Graph duplicator |
| CN112277478B (en) * | 2020-10-26 | 2021-05-28 | 江苏安全技术职业学院 | Graph duplicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |