CN205468137U  Mathematics plotter  Google Patents
Mathematics plotter Download PDFInfo
 Publication number
 CN205468137U CN205468137U CN201620026411.2U CN201620026411U CN205468137U CN 205468137 U CN205468137 U CN 205468137U CN 201620026411 U CN201620026411 U CN 201620026411U CN 205468137 U CN205468137 U CN 205468137U
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 CN
 China
 Prior art keywords
 groove
 slide rail
 rotational slide
 chi
 ruler
 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 relates to a mathematics plotter, this plotter comprises scale plate, level bar, rotatory chi, and the outer fringe of scale plate is carved with partition angle groove, has engraved geometric figure on the face of scale plate, the level bar includes ruler groove and the flexible ruler of the level of taking the scale, and the flexible ruler of level slides in ruler groove, and the flexible ruler of level can stretch out from ruler groove, the ruler is stretched out and drawn back to the extension level length. Use the angle of the measuring plane figure that this plotter can be convenient, the required angle of drawing that can also be convenient provides convenient for the mathematical education.
Description
Technical field
This utility model belongs to mathematical education field, particularly to a kind of digital drafting instrument.
Background technology
At present, instructors at school time, for the most enough contents more intuitively telling about course, often use teaching aid
Aided education, especially in the teaching process of mathematics geometry, is frequently used such as ruler, compasses, set square etc. and teaches
Tool, but these teaching aids are mostly independent individuality, and ratio is relatively decentralized, and one is to be easier to lose；Two is teacher
When mapping, need to change back and forth, waste the instructional blocks of time of preciousness, and add the workload of teacher.Always
It, there is problems such as using complex steps, operation inconvenient in existing mathematics geometry teaching aid, brings one to teaching
Fixed trouble.
Utility model content
In order to solve the problems referred to above, this utility model relates to a kind of digital drafting instrument, this drawing apparatus by graduated tile,
Horizon rule, rotation chi are constituted, and the outer rim of graduated tile is carved with decile angle groove, and the plate face of graduated tile has been engraved
Geometric figure；
Described horizon rule includes chi groove and horizontal extension ruler with a scale, and horizontal extension ruler is sliding in chi groove
Dynamic, horizontal extension ruler can stretch out from chi groove, extends the length of horizontal extension ruler；
Described rotation chi structure includes rotating chi groove, rotational slide rail and knob, and knob is by rotating hinge structure structure
Become；Described rotation chi groove and rotational slide rail are around knob, it is possible to have the merit of protractor and compasses concurrently simultaneously
Can, rotate chi groove and be socketed outside rotational slide rail, thus rotational slide rail can stretch out from rotating chi groove, extends
The length of rotational slide rail, the middle part, outer end of rotational slide rail is designed with slotted eye, is used for being set with placement chalk
Or white board marker.
According to described digital drafting instrument, LED light emission device also can be set on graduated tile.
The beneficial effects of the utility model are: use this drawing apparatus can measure the angle of planar graph easily,
Required angle can also be drawn easily, provide conveniently for mathematical education.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model digital drafting instrument；
Fig. 2 is the view during use of this utility model digital drafting instrument.
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings for enabling abovementioned purpose of the present utility model, feature and advantage to become apparent from
Detailed description of the invention of the present utility model is described in detail, make above and other purpose of the present utility model,
Feature and advantage will become apparent from.The part that reference instruction identical in whole accompanying drawings is identical, does not carve
Anticipate accompanying drawing drawn to scale, it is preferred that emphasis is purport of the present utility model is shown, being capable of its major function be
Preferably.
As illustrated in fig. 1 and 2, digital drafting instrument of the present utility model include semicircle or annular graduated tile 1,
Horizon rule, rotation chi are constituted, and graduated tile 1 is semicircular structure, can be transparent, it is also possible to opaque；Carve
Degree plate 1 can be made up of plastics, plank or lucite, and the outer rim of graduated tile 1 semicircular structure is carved with decile
Angle groove 2, the semicircular plate face of graduated tile 1 has been engraved multiple geometric figure 3, and described geometric figure can
To include the structures such as ellipse, equilateral triangle, circle, square or right angled triangle, by the geometry engraved
Figure can draw conventional geometric figure easily, demonstration when facilitating teachers ' teaching.
As in figure 2 it is shown, the horizon rule structure of described semicircle graduated tile 1 includes chi groove 8 and level with a scale
Expansion ruler 9, horizontal extension ruler 9 can slide in chi groove 8, level can be utilized in teaching process to stretch
The length of straight line measured by contracting ruler.
As it is shown in figure 1, the rotation chi structure of described semicircle graduated tile 1 includes rotating chi groove 4, rotational slide
Rail 5 and knob 6, knob 6 is made up of rotating hinge structure；Described rotation chi groove 4 and rotational slide rail 5 enclose
Rotate around knob 6, it is possible to jointly realize the function of protractor and compasses: can be by rotating chi groove 4 and chi groove 8
The angle constituted measures angle, such as a certain angle drawn on blackboard, and can straight by graduated tile 1
Linear outer rim and angle to be measured while aliging, rotational slide rail 5 aligns with the another side of angle to be measured,
Then the angle groove indicated by rotational slide rail 5 is the reading of this angle；Fixing horizontal extension ruler 9 and chi
Groove 8 is motionless, directly rotates and rotates chi groove 4 and rotational slide rail 5, it becomes possible to realizes the function of picture circle.
It addition, rotate chi groove 4 socket outside rotational slide rail 5, so that rotational slide rail 5 can be from rotation
Turn in chi groove 4 and stretch out, so can by rotate chi groove 4 slide rotational slide rail 5 regulation circle radius big
Little.It is designed with slotted eye 7 in the middle part, outer end of rotational slide rail 5, placement chalk or white board marker can be set with,
It is used at blackboard or blank upper drawing circle.
It addition, for the angle drawing needs, horizontal extension ruler 9 card can be put in chi groove 8, rotate
Slip rail 5 rotates to the scale corresponding to angle, such rotational slide rail 5, horizontal extension ruler 9 just group
Become the angle needed, sketched the contours the angle that just can obtain needing by chalk line.
Further, in order to draw the longer angle of the length of side then can by rotational slide rail 5 from rotate chi groove 4
In stretch out, thus extend the length of rotational slide rail 5；Horizontal extension ruler 9 is stretched from chi groove 8 simultaneously
Go out, thus extend the length of rotational slide rail 5, it is simple to draw the angle of larger skirt length.
It addition, LED light emission device can be arranged at graduated tile 1, for collecting the attention of middle school student in teaching process
Power, improves teaching efficiency.
Elaborate a lot of detail in the above description so that fully understanding this utility model.More than but
Describing is only preferred embodiment of the present utility model, and this utility model can be described herein to be much different from
Alternate manner implement, therefore this utility model is not limited by disclosed above being embodied as.The most any
Those skilled in the art, without departing under technical solutions of the utility model ambit, may utilize abovementioned taking off
Technical solutions of the utility model are made many possible variations and modification, or amendment by the method shown and technology contents
Equivalent embodiments for equivalent variations.Every content without departing from technical solutions of the utility model, according to this practicality
Novel technical spirit, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within
In the range of technical solutions of the utility model protection.
Claims (1)
1. a digital drafting instrument, it is characterized in that: this drawing apparatus is made up of graduated tile (1), horizon rule, rotation chi, the outer rim of graduated tile (1) is carved with decile angle groove (2), and the plate face of graduated tile (1) has been engraved geometric figure (3)；
Described horizon rule includes chi groove (8) and horizontal extension ruler (9) with a scale, horizontal extension ruler (9) slides in chi groove (8), horizontal extension ruler (9) can stretch out from chi groove (8), extends the length of horizontal extension ruler (9)；
Described rotation chi includes rotating chi groove (4), rotational slide rail (5) and knob (6), and knob (6) is made up of rotating hinge structure；Described rotation chi groove (4) and rotational slide rail (5) rotate around knob (6), the function of protractor and compasses can be had concurrently simultaneously, rotate chi groove (4) to be socketed outward at rotational slide rail (5), thus rotational slide rail (5) can stretch out from rotating chi groove (4), extends the length of rotational slide rail (5)；
The middle part, outer end of rotational slide rail (5) is designed with slotted eye (7), is used for placing chalk or white board marker.
Priority Applications (1)
Application Number  Priority Date  Filing Date  Title 

CN201620026411.2U CN205468137U (en)  20160113  20160113  Mathematics plotter 
Applications Claiming Priority (1)
Application Number  Priority Date  Filing Date  Title 

CN201620026411.2U CN205468137U (en)  20160113  20160113  Mathematics plotter 
Publications (1)
Publication Number  Publication Date 

CN205468137U true CN205468137U (en)  20160817 
Family
ID=56667198
Family Applications (1)
Application Number  Title  Priority Date  Filing Date 

CN201620026411.2U Expired  Fee Related CN205468137U (en)  20160113  20160113  Mathematics plotter 
Country Status (1)
Country  Link 

CN (1)  CN205468137U (en) 
Cited By (3)
Publication number  Priority date  Publication date  Assignee  Title 

CN106323237A (en) *  20161026  20170111  贵州盘江精煤股份有限公司  Simple angulometer for measuring mining drilling angle and operation method thereof 
CN109029193A (en) *  20180814  20181218  东方电气集团东方锅炉股份有限公司  A kind of positioning device and the method for instructing weld defect to reprocess defect elimination using it 
CN112815814A (en) *  20210107  20210518  广西汽车集团有限公司  Portable multifunctional angle measuring device 

2016
 20160113 CN CN201620026411.2U patent/CN205468137U/en not_active Expired  Fee Related
Cited By (3)
Publication number  Priority date  Publication date  Assignee  Title 

CN106323237A (en) *  20161026  20170111  贵州盘江精煤股份有限公司  Simple angulometer for measuring mining drilling angle and operation method thereof 
CN109029193A (en) *  20180814  20181218  东方电气集团东方锅炉股份有限公司  A kind of positioning device and the method for instructing weld defect to reprocess defect elimination using it 
CN112815814A (en) *  20210107  20210518  广西汽车集团有限公司  Portable multifunctional angle measuring device 
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Legal Events
Date  Code  Title  Description 

C14  Grant of patent or utility model  
GR01  Patent grant  
CF01  Termination of patent right due to nonpayment of annual fee 
Granted publication date: 20160817 Termination date: 20170113 

CF01  Termination of patent right due to nonpayment of annual fee 