CN203472356U - Mathematical drafting instrument - Google Patents
Mathematical drafting instrument Download PDFInfo
- Publication number
- CN203472356U CN203472356U CN201320617199.3U CN201320617199U CN203472356U CN 203472356 U CN203472356 U CN 203472356U CN 201320617199 U CN201320617199 U CN 201320617199U CN 203472356 U CN203472356 U CN 203472356U
- Authority
- CN
- China
- Prior art keywords
- ruler
- rod support
- horizontal
- drafting instrument
- horizon rule
- 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 mathematical drafting instrument which comprises a horizontal rod, two large pulleys, four small pulleys, a ruler seat, a scale disc, a vertical ruler and a horizontal ruler. The two large pulleys are arranged at the two ends of the horizontal ruler respectively, a groove is formed in one face of the ruler seat, the horizontal ruler is embedded in the groove of the ruler seat, the four corners of the ruler seat are respectively provided with a protruding block, the lower portion of each protruding block is provided with one small pulley, the four small pulleys are all in contact with the side edge of the horizontal rod, and the lower end of the ruler seat is further provided with the scale disc, the vertical ruler and the horizontal ruler. The vertical ruler and the horizontal ruler are connected with the ruler seat through bolts, the horizontal ruler and the horizontal rod are parallel, and the vertical ruler is perpendicular to the horizontal ruler. The mathematical drafting instrument can carry out straight line drafting and angle drafting and measuring at the same time, all pars of the mathematical drafting instrument are detachable, and the mathematical drafting instrument is convenient to carry, and has popularization and use value.
Description
Technical field
The utility model relates to a kind of instruments used for education, relates in particular to a kind of digital drafting instrument device.
Background technology
Current drawing instrument, a multitude of names, pattern is different.The function singleness of most drawing instrument can not meet the demand of multiple drawing simultaneously, and the drawing instrument that some is larger, because it can not split, so carry and inconvenient.
Utility model content
The purpose of this utility model provides a kind of digital drafting instrument device with regard to being in order to address the above problem.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of digital drafting instrument device, comprise horizon bar, two large pulleys, four truckles, rod support, index dial, miter square and horizon rule, two described large pulleys are separately positioned on the two ends of described horizon rule, the one side of described rod support is provided with groove, described horizon rule embeds in the groove of described rod support, four bights of described rod support are provided with casting lug thereon, each casting lug thereon bottom is provided with truckle, four described truckles all contact with the side of described horizon bar, the bottom of described rod support is also provided with index dial, miter square and horizon rule, described miter square is connected with described rod support by bolt respectively with described horizon rule, described horizon rule is parallel with described horizon bar, described miter square is vertical with described horizon rule.
Particularly, be provided with turning cylinder and handgrip on described rod support, one end of described turning cylinder is connected with described index dial, and the other end of described turning cylinder is connected with described handgrip.
As preferably, described rod support is plastics rod support.
As preferably, described miter square and described horizon rule are acrylic glass ruler.
As preferably, described horizon bar is lucite bar.
The beneficial effects of the utility model are:
The utility model can carry out the drafting of straight line and the drafting of angle and measurement simultaneously, and all detachable between all parts, very convenient when carrying, and has the value of promoting the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of digital drafting instrument device of the utility model.
In figure: 1-horizon bar, 2-large pulley, 3-rod support, 4-truckle, 5-index dial, 6-miter square, 7-horizon rule, 8-handgrip, 9-turning cylinder.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises horizon bar 1, two large pulleys 2, four truckles 4, rod support 3, index dial 5, miter square 6 and horizon rule 7, two large pulleys 2 are separately positioned on the two ends of horizon rule 7, the one side of rod support 3 is provided with groove, horizon rule 7 embeds in the groove of rod support 3, four bights of rod support 3 are provided with casting lug thereon, each casting lug thereon bottom is provided with truckle 4, four truckles 4 all contact with the side of horizon bar 1, the bottom of rod support 3 is also provided with index dial 5, miter square 6 and horizon rule 7, miter square 6 is connected with rod support 3 by bolt respectively with horizon rule 7, horizon rule 7 is parallel with horizon bar 1, miter square 6 is vertical with horizon rule 7.
On rod support 3, be provided with turning cylinder 9 and handgrip 8, one end of turning cylinder 9 is connected with index dial 5, and the other end of turning cylinder 9 is connected with handgrip 8.
Operation principle of the present utility model is as follows:
In the utility model, the string of a musical instrument is walked around the lower end of two large pulleys 2 successively, when needs are drawn, can move up and down the utility model by the effect of the string of a musical instrument, while working, do not need to use hand rest chi, rod support 3 is made to guide rail with horizon bar 1, can carry out left and right translation, index dial 5 is fixed a point with rod support 3, make the rotation of certain orientation, can easily draw various angles.
Claims (5)
1. a digital drafting instrument device, it is characterized in that: comprise horizon bar, two large pulleys, four truckles, rod support, index dial, miter square and horizon rule, two described large pulleys are separately positioned on the two ends of described horizon rule, the one side of described rod support is provided with groove, described horizon rule embeds in the groove of described rod support, four bights of described rod support are provided with casting lug thereon, each casting lug thereon bottom is provided with truckle, four described truckles all contact with the side of described horizon bar, the bottom of described rod support is also provided with index dial, miter square and horizon rule, described miter square is connected with described rod support by bolt respectively with described horizon rule, described horizon rule is parallel with described horizon bar, described miter square is vertical with described horizon rule.
2. a kind of digital drafting instrument device according to claim 1, is characterized in that: on described rod support, be provided with turning cylinder and handgrip, one end of described turning cylinder is connected with described index dial, and the other end of described turning cylinder is connected with described handgrip.
3. a kind of digital drafting instrument device according to claim 1, is characterized in that: described rod support is plastics rod support.
4. a kind of digital drafting instrument device according to claim 1, is characterized in that: described miter square and described horizon rule are acrylic glass ruler.
5. a kind of digital drafting instrument device according to claim 1, is characterized in that: described horizon bar is lucite bar.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320617199.3U CN203472356U (en) | 2013-09-28 | 2013-09-28 | Mathematical drafting instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320617199.3U CN203472356U (en) | 2013-09-28 | 2013-09-28 | Mathematical drafting instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203472356U true CN203472356U (en) | 2014-03-12 |
Family
ID=50220754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320617199.3U Expired - Fee Related CN203472356U (en) | 2013-09-28 | 2013-09-28 | Mathematical drafting instrument |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203472356U (en) |
-
2013
- 2013-09-28 CN CN201320617199.3U patent/CN203472356U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20140312 Termination date: 20140928 |
|
EXPY | Termination of patent right or utility model |