CN206544412U - A kind of circular ruler of Fast Drawing - Google Patents
A kind of circular ruler of Fast Drawing Download PDFInfo
- Publication number
- CN206544412U CN206544412U CN201621480003.0U CN201621480003U CN206544412U CN 206544412 U CN206544412 U CN 206544412U CN 201621480003 U CN201621480003 U CN 201621480003U CN 206544412 U CN206544412 U CN 206544412U
- Authority
- CN
- China
- Prior art keywords
- blade
- back side
- pin
- protrudes
- ball
- 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
Abstract
The utility model discloses a kind of circular ruler of Fast Drawing, including blade, the front of blade, along blade length direction be provided with scale value, there is spacing between 0 graduation mark of scale value and the left margin of blade, it is fixed with the extended line of 0 graduation mark and determines pin, determine the back side of the pin towards blade, and protrude from the back side of blade, a spread pen hole is provided with to determine pin as starting point is evenly distributed successively to the right；The left end and right-hand member of blade are respectively equipped with a ball, and ball protrudes from the back side of blade, and ball protrudes from the distance at the blade back side and is less than and determines the distance that pin protrudes from the blade back side；The present apparatus directly can be made to justify using blade, quickly, convenient.
Description
Technical field
The utility model is related to a kind of ruler, more particularly to a kind of circular ruler of Fast Drawing.
Background technology
Ruler be one kind can gage length, and the daily necessities of straight line can be accurately drawn, mainly according to ruler
On scale measure out the length of known straight line, and can be straight according to needed for the length given is drawn along scale direction straight flange
Line.At present, the ruler of domestic production can only draw straight line, electric elements, some addition LED display tables.Usually, student written
Industry is drawn, and can all be run into picture circle or be drawn the situation of circular arc.Now we will look for compasses, and ruler, rubber, pencil consumes very much
It is time-consuming.
Compasses are a kind of drawing instruments, are mainly used in picture circle and circular arc, and traditional compasses are herringbone, pin support, a pin
Rotary picture is justified.Draw circle or circular arc before need by common graduated scale come the distance between adjustment compasses bipod, process it is cumbersome and
Larger error can be caused；And once overexert during circle is drawn, compasses bipod spacing be easy to change, it is necessary to
Again adjustment spacing, influences the aesthetic property of picture efficiency and figure；In picture radius larger or smaller circle and circular arc, compasses meeting
Deviate, drawn circle and circular arc is there is error.
Especially when examination, in order to draw circle, to be expended for a long time with compasses.It is engaged again with compasses with ruler
When drawing circle, ruler is placed on paper very not easily moveable or pickup, the scale part of ruler also easily weares and teares.Therefore,
Design one kind can fast and accurately draw circle, prevent the abrasion of scale and be easy to the ruler of pickup to be particularly important.
Utility model content
The purpose of this utility model is to provide a kind of circular ruler of Fast Drawing, directly can make to justify using blade, soon
Speed, it is convenient.
The technical solution adopted in the utility model is：
A kind of circular ruler of Fast Drawing, including blade, the front of blade, along the length direction of blade provided with scale
Value, has to be fixed with spacing, the extended line of 0 graduation mark between 0 graduation mark of scale value and the left margin of blade and determines pin, determine pin court
To the back side of blade, and protrude from the back side of blade, a spread pen hole is provided with to determine pin as starting point is evenly distributed successively to the right；Blade
Left end and right-hand member be respectively equipped with a ball, ball protrudes from the back side of blade, and ball protrudes from the distance at the blade back side
Less than the distance for determining pin and protruding from the blade back side.
Multiple balls are provided with along the length direction of blade is evenly distributed.
The diameter in a described hole is less than the diameter of pencil.
Spacing between the center of circle in two neighboring hole is set to 5mm, and is located at 5mm quarters by the center of circle in the first hole from left to right
On the extended line for spending line.
The utility model will determine pin and be pressed against to do circle centre position fixed on drawing using determining the position that pin determines the center of circle,
Determine the distance that pin protrudes from the blade back side because the distance that ball protrudes from the blade back side is less than, so, determine pin and press certain journey
After degree, it is impossible to further press down on, the effect headed on mainly due to ball, it is impossible to make power still further below is done so as to protect
Drawing will not be damaged.User is placed a pencil in corresponding hole of graduation mark, then is rotated by 360 ° work to determine pin as the center of circle
Circle.During rotation, the multiple balls being provided with using blade are reduced blade and do the frictional force between drawing, so,
User's mapping is very light, fast, also, because ball protrudes from the back side of blade, the process rotated in blade
In, wear and tear graduation mark for a moment, protects the definition of graduation mark.
Brief description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is top view of the present utility model.
Embodiment
As shown in figure 1, the utility model includes blade 1, the front of blade 1, along the length direction of blade 1 provided with scale value
2, have to be fixed with spacing, the extended line of 0 graduation mark 6 between 0 graduation mark 6 of scale value 2 and the left margin of blade 1 and determine pin 3, it is fixed
Pin 3 protrudes from the back side of blade 1 towards the back side of blade 1, and a row is provided with for starting point is evenly distributed successively to the right to determine pin 3
Hole 5, the spacing that the diameter in a described hole 5 is less than between the diameter of pencil, the center of circle in two neighboring hole 5 is set to 5mm, and
It is located at by the center of circle in the first hole 5 from left to right on the extended line of 5mm graduation marks；The left end and right-hand member of blade 1 are respectively equipped with one
Ball 4, is provided with multiple balls 4, ball 4 protrudes from the back side of blade 1, and ball 4 is convex along the length direction of blade 1 is evenly distributed
For the back side of blade 1 distance be less than determine the distance that pin 3 protrudes from the back side of blade 1.
Illustrate operation principle of the present utility model below in conjunction with the accompanying drawings：
In use, user determines the position in the center of circle first, afterwards, pin 3 will be determined it is pressed against to do the center of circle fixed on drawing 7
Place, the distance that pin 3 protrudes from the back side of blade 1 is determined because the distance that ball 4 protrudes from the back side of blade 1 is less than, so, determine pin 3 and press
After pressing to a certain degree, it is impossible to further press down on, the effect headed on mainly due to ball 4, it is impossible to make power still further below, from
And protection is made drawing 7 and will not be damaged.
When needing the bowlder of picture 5cm radiuses, user is placed a pencil in corresponding hole 5 of 5cm graduation marks, then to determine pin
3 be the Propelling pencil with sharpener in cap of the center of circle gently, is rotated after 360 degree, the circle of 5cm radiuses is formed.During rotation, user is not
Firmly pressing ruler again is needed, because blade 1 is provided with multiple balls 4, ball 4 is very sensitive, and user needs only to pair
Pencil carries out the promotion of a circumference, and ruler is just rotated with pencil using ball 4, and ball 4 can reduce blade 1 with doing
Frictional force between drawing 7, so, user's mapping is very light, fast.Also, because ball 4 protrudes from blade 1
The back side, during blade 1 is rotated, wear and tear graduation mark for a moment, protects the definition of graduation mark.
Claims (4)
1. a kind of circular ruler of Fast Drawing, it is characterised in that：Including blade, the front of blade, the length direction along blade
Provided with scale value, have to be fixed with spacing, the extended line of 0 graduation mark between 0 graduation mark of scale value and the left margin of blade and determine
Pin, determines the back side of the pin towards blade, and protrudes from the back side of blade, and a row is provided with to determine pin as starting point is evenly distributed successively to the right
Hole；The left end and right-hand member of blade are respectively equipped with a ball, and ball protrudes from the back side of blade, and ball protrudes from the blade back of the body
The distance in face, which is less than, determines the distance that pin protrudes from the blade back side.
2. the circular ruler of Fast Drawing according to claim 1, it is characterised in that：Uniformly arranged along the length direction of blade
Row are provided with multiple balls.
3. the circular ruler of Fast Drawing according to claim 2, it is characterised in that：The diameter in a described hole is less than lead
The diameter of pen.
4. the circular ruler of Fast Drawing according to claim 3, it is characterised in that：Between the center of circle in two neighboring hole
Spacing be set to 5mm, and be located at by the center of circle in the first hole from left to right on the extended line of 5mm graduation marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480003.0U CN206544412U (en) | 2016-12-30 | 2016-12-30 | A kind of circular ruler of Fast Drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480003.0U CN206544412U (en) | 2016-12-30 | 2016-12-30 | A kind of circular ruler of Fast Drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206544412U true CN206544412U (en) | 2017-10-10 |
Family
ID=59993159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621480003.0U Expired - Fee Related CN206544412U (en) | 2016-12-30 | 2016-12-30 | A kind of circular ruler of Fast Drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206544412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340712A (en) * | 2018-02-07 | 2018-07-31 | 嘉善信息技术工程学校 | A kind of multifunction magnetic ruler |
| JP7112784B1 (en) * | 2021-09-01 | 2022-08-04 | 有限会社イースト | scale |
-
2016
- 2016-12-30 CN CN201621480003.0U patent/CN206544412U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340712A (en) * | 2018-02-07 | 2018-07-31 | 嘉善信息技术工程学校 | A kind of multifunction magnetic ruler |
| JP7112784B1 (en) * | 2021-09-01 | 2022-08-04 | 有限会社イースト | scale |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20211230 |