CN203472356U - Mathematical drafting instrument - Google Patents

Mathematical drafting instrument Download PDF

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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
Application number
CN201320617199.3U
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Chinese (zh)
Inventor
李祥旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201320617199.3U priority Critical patent/CN203472356U/en
Application granted granted Critical
Publication of CN203472356U publication Critical patent/CN203472356U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

A kind of digital drafting instrument device
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.
Rod support 3 is plastics rod support, and miter square 6 and horizon rule 7 are acrylic glass ruler, and horizon bar 1 is lucite bar.
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.
CN201320617199.3U 2013-09-28 2013-09-28 Mathematical drafting instrument Expired - Fee Related CN203472356U (en)

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)

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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