CN107487115A - A kind of cyclograph - Google Patents
A kind of cyclograph Download PDFInfo
- Publication number
- CN107487115A CN107487115A CN201710719415.8A CN201710719415A CN107487115A CN 107487115 A CN107487115 A CN 107487115A CN 201710719415 A CN201710719415 A CN 201710719415A CN 107487115 A CN107487115 A CN 107487115A
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- CN
- China
- Prior art keywords
- seat
- circular
- block
- fixed
- circle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/005—Circular curve-drawing or like instruments with rollers or carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/007—Circular curve-drawing or like instruments with perforated or marked rulers
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Abstract
The present invention relates to graphic plotting field of tool, more particularly to a kind of cyclograph.A kind of cyclograph, including fixed pedestal, support frame device, rocker-type tumbler, circular arc auxiliary drawing apparatus, linkage, inner circle drawing apparatus and cylindrical drawing apparatus, the outside of the fixed pedestal connect three support frame devices；Connection installation rocker-type tumbler among the top of the fixed pedestal；The lower end of the rocker-type tumbler passes through fixed pedestal, the upper end of connection linkage device；The lower end of the linkage is from top to bottom sequentially connected inner circle drawing apparatus and cylindrical drawing apparatus.The invention provides a kind of blackboard for education, engineering drawing or film of going for paint round cyclograph, and the present invention can be used for drawing circular, concentric circles or tangent circle, a variety of advantages such as it has structure novel, easy to use, practical.
Description
Technical field
The present invention relates to graphic plotting field of tool, more particularly to a kind of cyclograph.
Background technology
Circle is one of figure common in people's daily life and Working Life, and the structure of existing circle tool is main
For the compasses structure of routine, this kind of circle tool, which needs sharp pivot point, could realize the drafting of circle.When in use, it is sharp
Sharp pivot point is not only easily there is other people danger of accidental injury, and these circle tools are not preferably used on stiff dough, such as in height
Penetrate on the glass that can be often run into projecting apparatus and use；These circle tools are also not suitable for being used in flexible material surface, such as polyester
Film surface.Sharp pivot point can be damaged on the surface of its upper drawing circle, such as leaving aperture in polyester film surface or will
Glass surface permanently scratch.In addition, existing circle tool can be used for drawing single circle to the greatest extent, and can not be easily
Draw the figure such as concentric circles or tangent circle.
The content of the invention
It is an object of the invention to provide a kind of cyclograph, can effectively solve sharp existing for circle tool of the prior art
Sharp pivot point easily accidentally injures other people, existing circle tool be not suitable for glass surface or polyester film or other be easily damaged
The problem of picture circle is carried out in plane；The invention provides it is a kind of go for blackboard for education, engineering drawing or film paint it is round
Cyclograph, the present invention can be used for drawing circular, concentric circles or tangent circle, and it has, and structure is novel, easy to use, practicality
A variety of advantages such as strong.
The purpose of the present invention is achieved through the following technical solutions：
A kind of cyclograph, including fixed pedestal, support frame device, rocker-type tumbler, circular arc aid in drawing apparatus, connected
Lever apparatus, inner circle drawing apparatus and cylindrical drawing apparatus, the outside of the fixed pedestal connect three support frame devices；It is described solid
Determine the middle connection installation rocker-type tumbler on the top of pedestal；The lower end of the rocker-type tumbler passes through fixed base
Seat, the upper end of the lower end connection linkage device of rocker-type tumbler；The lower end of the linkage is from top to bottom sequentially connected
Inner circle drawing apparatus and cylindrical drawing apparatus.
The fixed pedestal is made up of upper annulus seat, cylindrical seat, lower annulus seat and circular pole perforating hole；The upper annulus seat leads to
The upper end for the side for being threaded in cylindrical seat is crossed, toroidal cavity is set on the bottom surface of upper annulus seat；The lower annulus seat leads to
The lower end for the side for being threaded in cylindrical seat is crossed, toroidal cavity is set on the top surface of lower annulus seat；In the cylindrical seat
Between circular pole perforating hole is set.
Support frame as described above device by sliding bar, rotating casing, the first cross bar, the second cross bar, the 3rd cross bar, fixed sleeving,
Upper supporting column, lower supporting rod and disc seat are formed；The upper end of the sliding bar and the lower end of sliding bar are slidably fitted in two circles respectively
The inside of annular groove, the middle splaying mating connection rotating casing of sliding bar；The gap between two ends of the rotating casing, which coordinate, to be connected
It is connected between annulus seat and lower annulus seat；The right-hand member of the rotating casing is welded to connect the first cross bar；First cross bar
Right-hand member is inserted into the inside of the second cross bar；The right-hand member of second cross bar is inserted into the inside of the 3rd cross bar；3rd cross bar
Right-hand member be welded to connect fixed sleeving, be connected through a screw thread upper supporting column on the inside of fixed sleeving, the bottom of upper supporting column set in spiral shell
Pit, internal thread hole inner side are connected through a screw thread lower supporting rod, the bottom clutch disk seat of lower supporting rod；The disc seat is inhaled for rubber
Disk seat.
The rocker-type tumbler is made up of joystick, rotating disk and bull stick；The joystick is welded on rotating disk top
On face；The center weld connection bull stick of the rotating disk bottom surface；The middle-end of the bull stick is connected to circular pole perforating hole by bearing
Inner side, the lower end connection linkage device of bull stick.
Circular arc auxiliary drawing apparatus by the anti-guard housing of annulus, annular bevel protractor, fixing card block, slide block block,
Annular groove and block head device are formed；The anti-guard housing of annulus is connected on the top surface of cylindrical seat, the upper end of the anti-guard housing of annulus
Bonding connection annular bevel protractor, the upper end of the anti-guard housing of annulus set annular groove；The interior side bonds of the anti-guard housing of annulus connect
Fixing card block is connect, rectangular channel is set on fixing card block；Block block is slided in the inner side sliding connection of the annular groove；
The block head device sets fixed block, T-shaped slider and the pin of T-shaped chute to form by top surface, and T-shaped slider is slidably fitted in T
The inner side of shape chute, the upper end bonding connection pin of T-shaped slider, the width of pin are identical with the width of rectangular channel.
The linkage is by first connecting rod, second connecting rod, regulating bolt, chip card, upper circular mounting disk and lower circle
Shape mounting disc is formed；The upper end of the first connecting rod is threadedly attached in the lower end of bull stick, and the upper end of first connecting rod is inserted into
The inside of bull stick；The lower end of the first connecting rod is fixedly connected with circular mounting disk, around connecting on the side of upper circular mounting disk
Connect three inner circle drawing apparatus；The bottom bonding connection second connecting rod of the first connecting rod, lower circular mounting disk it is centrally disposed
Manhole, manhole medial gap mating connection second connecting rod；The bottom of the second connecting rod is connected through a screw thread regulation
Bolt, the lower end of regulating bolt are fixedly connected with chip card, and chip card is fitted on the bottom surface of lower circular mounting disk；Under described
Two rectangular through-holes in left and right are set on circular mounting disk, a cylindrical drawing apparatus is respectively fixedly connected with the inside of two rectangular through-holes.
The inner circle drawing apparatus by rectangular slide seat, rectangle chute, mountain font sliding block, caging bolt, circular fixed seat,
Left curved baffle, right curved baffle, arc fixed plate, external screw thread fix bar and the axis of guide；The upper end of the rectangular slide seat is set
Rectangle chute is put, the medial gap mating connection mountain font sliding block of rectangle chute, the lower end of mountain font sliding block is connected by screw
Circular fixed seat, the both sides of circular fixed seat bottom are symmetrical arranged two pieces of arc fixed plates；The left curved baffle and right arc
Baffle plate setting is setting the inner side of two pieces of arc fixed plates, and left curved baffle bonding connection is in circular fixed seat bottom；It is described outer
The bar that is screwed is connected through a screw thread the arc fixed plate on right side, and external screw thread fix bar connects right arc by swivel joint and kept off
Plate；The arc fixed plate for being oriented to shaft clearance mating connection right side, the axis of guide are fixedly connected on right curved baffle；The mountain
Caging bolt is connected through a screw thread on the right flank of font sliding block；The rectangular slide seat is fixedly connected on circular mounting disk
On side.
The cylindrical drawing apparatus is made up of rectangle fixed block, left telescopic Circular-drawing instrument and right telescopic Circular-drawing instrument；It is described
Rectangle fixed block is fixedly connected on the inner side of the rectangular through-hole on lower circular mounting disk, and the left end of rectangle fixed block is fixedly connected with a left side
Telescopic Circular-drawing instrument, the right-hand member of rectangle fixed block are fixedly connected with right telescopic Circular-drawing instrument.
One center of circle positioning device of center bonding connection of the bottom surface of the chip card；The center of circle positioning device uses
Infrared-ray pen.
The telescopic Circular-drawing instrument in a left side is identical with right telescopic Circular-drawing instrument structure；The telescopic Circular-drawing instrument in a left side is by preceding storage
Pipe, middle screwed pipe, rear fixing pipe, paintbrush fixed seat and telescopic fixing rod are formed；The preceding containing tube is fixedly connected on rectangle and consolidated
To determine on block, the left end of preceding containing tube is connected through a screw thread middle screwed pipe, and the left end of middle screwed pipe is fixedly connected in rear fixing pipe,
The left end of fixing pipe is connected to by bearing on the right flank of paintbrush fixed seat afterwards, and circular groove is set in paintbrush fixed seat；Institute
The right-hand member for stating telescopic fixing rod is fixedly connected on rectangle fixed block, and the left end of telescopic fixing rod is fixedly connected on paintbrush fixed seat
On.
One tangent circle renderer of connection on the inside of circular groove in the paintbrush fixed seat；The tangent circle renderer by
Cylinder fixing axle, revoling tube, fastening bolt, rectangle sliding chute seat, door shape sliding block, circle drawing pen and bolt are formed；It is described
The upper end of cylinder fixing axle is fixedly connected on the inner side of circular groove, and the lower gap of cylinder fixing axle is connected in rotary sleeve
The inner side of pipe, rectangle sliding chute seat is welded to connect on the side of revoling tube, and the upper end of rectangle sliding chute seat sets rectangle chute, rectangle
Chute medial gap mating connection door shape sliding block, the lower end of door shape sliding block connect a circle drawing pen, the side of door shape sliding block
Bolt is connected through a screw thread on face；Fastening bolt is connected through a screw thread on the side of the revoling tube, fastening bolt
Inner side is fitted tightly in cylinder fixing axle.
Beneficial effects of the present invention：A kind of cyclograph of the present invention, can effectively solve the picture sired results of prior art middle peasant
Sharp pivot point easily accidentally injures other people existing for tool, existing circle tool be not suitable for glass surface or polyester film or other
The problem of picture circle is carried out in the plane being easily damaged；The invention provides one kind go for blackboard for education, engineering drawing or
Film paints round cyclograph, and the present invention can be used for drawing circular, concentric circles or tangent circle, and it has, and structure is novel, uses
A variety of advantages such as convenient, practical.
The advantage of the invention is that：
1st, the present invention is supported using the multiple support frame devices for being arranged on fixed pedestal outer end, is effectively solved existing
There is circle tool to be not suitable for carry out picture circle on glass surface or polyester film or other planes being easily damaged the problem of, support
Rack device when in use, can carry out the regulation of length or the regulation of height according to actual use demand, and use is more convenient,
In addition, the disc seat in support frame device is rubber suction cups seat, it can make its absorption on blackboard or other perpendiculars
Upper use, adapts to a variety of different application environments, and practicality is stronger；
2nd, entirety of the invention uses demountable structure, is carried out more when being easy to the device inside the present invention to damage
Change, maintenance maintenance efficiency and service life can be improved with effectively save cost；
3rd, inside of the invention is provided with circular arc auxiliary drawing apparatus, when in use, can be justified according to being actually needed
The drafting of arc, and can be by adjusting the distance between fixing card block and slip block block and by observing annular angle
Chi is spent, to draw the circular arc with certain radian or angle, the function of the present invention is which increased, improves the practicality of the present invention
Property；
4th, the present invention is internal is provided with inner circle drawing apparatus and cylindrical drawing apparatus, and the maximum outside diameter of inner circle drawing apparatus is small
In the maximum outside diameter of cylindrical drawing apparatus, when being drawn, can select to use inner circle drawing apparatus and cylindrical drafting simultaneously
Device is drawn, and can draw the concentric circles that diameter differs larger；
5th, the present invention is internal is provided with tangent circle renderer, when carrying out circular draw, can pass through tangent circle renderer
Carry out drawing inscribed circle or circumcircle, increase the function of the present invention, and its use is more convenient, drafting efficiency is higher, draws
Precision is preferable.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural representation of the fixed pedestal inside the present invention；
Fig. 3 is the structural representation of the support frame device inside the present invention；
Fig. 4 is the structural representation of the rocker-type tumbler inside the present invention；
Fig. 5 is the structural representation of the circular arc auxiliary drawing apparatus inside the present invention；
Fig. 6 is the structural representation of the linkage inside the present invention；
Fig. 7 is the structural representation of inner circle drawing apparatus inside the present invention；
Fig. 8 is the structural representation of cylindrical drawing apparatus inside the present invention；
Fig. 9 is the structural representation of left telescopic Circular-drawing instrument inside the present invention；
Figure 10 is the structural representation of tangent circle renderer inside the present invention；
Figure 11 is the structural representation of the block head device inside the present invention.
In figure：Fixed pedestal 1；Upper annulus seat 1-1；Cylindrical seat 1-2；Lower annulus seat 1-3；Circular pole perforating hole 1-4；Support frame
Device 2；Sliding bar 2-1；Rotating casing 2-2；First cross bar 2-3；Second cross bar 2-4；3rd cross bar 2-5；Fixed sleeving 2-6；
Upper supporting column 2-7；Lower supporting rod 2-8；Disc seat 2-9；Rocker-type tumbler 3；Joystick 3-1；Rotating disk 3-2；Bull stick 3-3；Circle
Arc aids in drawing apparatus 4；The anti-guard housing 4-1 of annulus；Annular bevel protractor 4-2；Fixing card block 4-3；Slide block block 4-4；Circle
Annular groove 4-5；Block head device 4-6；Linkage 5；First connecting rod 5-1；Second connecting rod 5-2；Regulating bolt 5-3；Circular card
Piece 5-4；Upper circular mounting disk 5-5；Lower circular mounting disk 5-6；Inner circle drawing apparatus 6；Rectangular slide seat 6-1；Rectangle chute 6-
2；Mountain font sliding block 6-3；Caging bolt 6-4；Circular fixed seat 6-5；Left curved baffle 6-6；Right curved baffle 6-7；Arc is consolidated
Fixed board 6-8；External screw thread fix bar 6-9；Axis of guide 6-10；Cylindrical drawing apparatus 7；Rectangle fixed block 7-1；Left telescopic Circular-drawing instrument
7-2；Preceding containing tube 7-2-1；Middle screwed pipe 7-2-2；Fixing pipe 7-2-3 afterwards；Paintbrush fixed seat 7-2-4；Telescopic fixing rod 7-2-
5；Right telescopic Circular-drawing instrument 7-3；Tangent circle renderer 8；Cylinder fixing axle 8-1；Revoling tube 8-2；Fastening bolt 8-3；Rectangle
Sliding chute seat 8-4；Door shape sliding block 8-5；Circle drawing pen 8-6；Bolt 8-7.
Embodiment
1-11 is described in further detail to the present invention below in conjunction with the accompanying drawings.
Embodiment one：
As Figure 1-10 shows, a kind of cyclograph, including fixed pedestal 1, support frame device 2, rocker-type tumbler 3, circle
Arc auxiliary drawing apparatus 4, linkage 5, inner circle drawing apparatus 6 and cylindrical drawing apparatus 7, the outside of the fixed pedestal 1 connect
Connect three support frame devices 2；Connection installation rocker-type tumbler 3 among the top of the fixed pedestal 1；The rocker-type
The lower end of tumbler 3 passes through fixed pedestal 1, the upper end of connection linkage device 5；The lower end of the linkage 5 is from top to bottom
It is sequentially connected inner circle drawing apparatus 6 and cylindrical drawing apparatus 7.A kind of cyclograph of the present invention, its operation principle are：Using
When, the present invention is fixed by three support frame devices 2 in the outside of fixed pedestal 1 first, is then clamped in drawing pen
On inner circle drawing apparatus 6 or cylindrical drawing apparatus 7, it needs to be determined that when radius or diameter, prepare meter ruler, to drawing pen and connecting rod
The distance of the bottom center of device 5 measures, and can adjust inner circle drawing apparatus 6 and cylindrical drawing apparatus according to being actually needed
7, the radius of its circle drawn is met the requirements, after adjusted, shake rocker-type tumbler 3, rocker-type tumbler 3 drives
Linkage 5 is rotated, and linkage 5 drives the drafting that the drawing apparatus 7 of inner circle drawing apparatus 6 or cylindrical is justified；And work as
When needing to draw circular arc, then drawing apparatus 4 is aided in carry out the drafting of circular arc by adjusting circular arc.
The fixed pedestal 1 is made up of upper annulus seat 1-1, cylindrical seat 1-2, lower annulus seat 1-3 and circular pole perforating hole 1-4；
The upper annulus seat 1-1 is threadedly attached in the upper end of cylindrical seat 1-2 side, and circle is set on upper annulus seat 1-1 bottom surface
Annular groove；The lower annulus seat 1-3 is threadedly attached in the lower end of cylindrical seat 1-2 side, lower annulus seat 1-3 top surface
Upper setting toroidal cavity；Circular pole perforating hole 1-4 is set among the cylindrical seat 1-2.The fixed pedestal 1 generally may be used
With the structure of dismounting, it is easy to that three support frame devices 2 are dismantled or installed, also allows for overall maintenance or maintenance.
Support frame as described above device 2 is by sliding bar 2-1, rotating casing 2-2, the first cross bar 2-3, the second cross bar 2-4, the 3rd horizontal stroke
Bar 2-5, fixed sleeving 2-6, upper supporting column 2-7, lower supporting rod 2-8 and disc seat 2-9 are formed；The upper end of the sliding bar 2-1 and cunning
Lever 2-1 lower end is slidably fitted in the inside of two toroidal cavities respectively, and sliding bar 2-1 middle splaying, which is connected, to be turned
Dynamic sleeve pipe 2-2；The gap between two ends of the rotating casing 2-2 are connected between upper annulus seat 1-1 and lower annulus seat 1-3；Institute
The right-hand member for stating rotating casing 2-2 is welded to connect the first cross bar 2-3；The right-hand member of the first cross bar 2-3 is inserted into the second cross bar 2-4
Inside；The right-hand member of the second cross bar 2-4 is inserted into the 3rd cross bar 2-5 inside；The right-hand member welding of the 3rd cross bar 2-5
Be connected sleeve pipe 2-6, is connected through a screw thread upper supporting column 2-7 on the inside of fixed sleeving 2-6, in upper supporting column 2-7 bottom is set
Screwed hole, internal thread hole inner side are connected through a screw thread lower supporting rod 2-8, lower supporting rod 2-8 bottom clutch disk seat 2-9；The circle
Disk seat 2-9 is rubber suction cups seat.Support frame as described above device 2 when in use, can be by adjusting the first cross bar 2-3, the second cross bar
2-4, the 3rd cross bar 2-5 carry out length of the support frame device 2 apart from the center of circle, in order to adapt to different plotting planes or different diameters
Demand, and the length that can be inserted into by adjusting lower supporting rod 2-8 inside upper supporting column 2-7, to adjust the entirety of support frame device 2
Highly, it is easy to be applied to different working environments, in addition, the disc seat 2-9 uses rubber suction cups seat so that the present invention is applicable
In on the perpendicular for painting disk similar to blackboard or glass surface etc. so that present invention application is relatively broad.
The rocker-type tumbler 3 is made up of joystick 3-1, rotating disk 3-2 and bull stick 3-3；The joystick 3-1 welderings
It is connected on rotating disk 3-2 top surfaces；The center weld connection bull stick 3-3 of the rotating disk 3-2 bottom surfaces；The middle-end of the bull stick 3-3
Circular pole perforating hole 1-4 inner side, bull stick 3-3 lower end connection linkage device 5 are connected to by bearing；The rocker-type rotates dress
Put 3 when in use, shake joystick 3-1 and drive rotating disk 3-2 to be rotated, drive bull stick 3-3 to turn when rotating disk 3-2 is rotated
Dynamic, bull stick 3-3 drivening rods device 5 is rotated.
The circular arc aids in drawing apparatus 4 by the anti-guard housing 4-1 of annulus, annular bevel protractor 4-2, fixing card block 4-3, cunning
Dynamic block block 4-4, annular groove 4-5 and block head device 4-6 are formed；The anti-guard housing 4-1 of annulus is connected to cylindrical seat 1-2's
On top surface, the anti-guard housing 4-1 of annulus upper end bonding connection annular bevel protractor 4-2, the anti-guard housing 4-1 of annulus upper end set annulus
Shape groove 4-5；Rectangle is set on the inner side bonding connection fixing card block 4-3 of the anti-guard housing 4-1 of annulus, fixing card block 4-3
Groove；Block block 4-4 is slided in the inner side sliding connection of the annular groove 4-5；The block head device 4-6 is set by top surface
The fixed block of T-shaped chute, T-shaped slider and pin are formed, and T-shaped slider is slidably fitted in the inner side of T-shaped chute, T-shaped slider it is upper
End bonding connection pin, the width of pin are identical with the width of rectangular channel.The circular arc auxiliary drawing apparatus 4 is when in use, first
Block block 4-4 is first slided to adjust according to the angle of practically necessary circular arc, determined by observing annular bevel protractor 4-2
Angle between fixing card block 4-3 and slip block block 4-4, so as to realize the regulation of arc angle, then fills block head
The left end for putting 4-6 is fitted on the inside of the rectangular channel on fixing card block 4-3, starts to draw circular arc, when needed for rotating disk 3-2 rotations
After the angle wanted, block head device 4-6 right-hand member block is sliding block block 4-4 left end, realizes the drafting of circular arc；It is described solid
Determine the setting of rectangular channel on block block 4-3, the angle that circular arc can be effectively ensured reaches standard, reduces the mistake in drawing process
Difference；The fixing card block 4-3 when in use, if necessary to draw circular arc, then slides T-shaped slider to the outer end of T-shaped chute, made
Obtaining pin can be with block between fixing card block 4-3 and slip block block 4-4.
The linkage 5 is by first connecting rod 5-1, second connecting rod 5-2, regulating bolt 5-3, chip card 5-4, upper circle
Mounting disc 5-5 and lower circular mounting disk 5-6 is formed；The upper end of the first connecting rod 5-1 is threadedly attached under bull stick 3-3
End, first connecting rod 5-1 upper end is inserted into bull stick 3-3 inside；The lower end of the first connecting rod 5-1 is fixedly connected with circular peace
Sabot 5-5, around three inner circle drawing apparatus 6 of connection on upper circular mounting disk 5-5 side；The bottom of the first connecting rod 5-1
Bonding connection second connecting rod 5-2, lower circular mounting disk 5-6 centrally disposed manhole are held, manhole medial gap coordinates
Connect second connecting rod 5-2；The bottom of the second connecting rod 5-2 is connected through a screw thread regulating bolt 5-3, under regulating bolt 5-3
End is fixedly connected with chip card 5-4, and chip card 5-4 is fitted on lower circular mounting disk 5-6 bottom surface；The lower circular mounting
Two rectangular through-holes in left and right are set on disk 5-6, a cylindrical drawing apparatus 7 is respectively fixedly connected with the inside of two rectangular through-holes.It is described
When in use, lower circular mounting disk 5-6 can be rotated linkage 5 around second connecting rod 5-2, when needing to fix, Ke Yitong
Cross and turn regulating bolt 5-3 and drive chip card 5-4 blocks in lower circular mounting disk 5-6 lower end, to lower circular mounting disk 5-6
It is fixed.
The inner circle drawing apparatus 6 is by rectangular slide seat 6-1, rectangle chute 6-2, mountain font sliding block 6-3, caging bolt 6-
4th, circular fixed seat 6-5, left curved baffle 6-6, right curved baffle 6-7, arc fixed plate 6-8, external screw thread fix bar 6-9 and lead
Formed to axle 6-10；The upper end of the rectangular slide seat 6-1 sets rectangle chute 6-2, and rectangle chute 6-2 medial gap coordinates
Mountain font sliding block 6-3 is connected, mountain font sliding block 6-3 lower end is connected by screw circular fixed seat 6-5, circular fixed seat 6-5
The both sides of bottom are symmetrical arranged two pieces of arc fixed plate 6-8；The left curved baffle 6-6 and right curved baffle 6-7 are arranged on two
Block arc fixed plate 6-8 inner side, left curved baffle 6-6 bonding connections are in circular fixed seat 6-5 bottoms；The external screw thread is fixed
Bar 6-9 is connected through a screw thread the arc fixed plate 6-8 on right side, and external screw thread fix bar 6-9 connects right arc by swivel joint and kept off
Plate 6-7；The arc fixed plate 6-8 on the axis of guide 6-10 gaps mating connection right side, axis of guide 6-10 are fixedly connected on right arc
On shape baffle plate 6-7；Caging bolt 6-4 is connected through a screw thread on the right flank of the mountain font sliding block 6-3；The rectangular slide seat
Circular mounting disk 5-5 in 6-1 connections.The inner circle drawing apparatus 6 when in use, can be existed by adjusting mountain font sliding block 6-3
Position inside rectangle chute 6-2 adjusts radius, can fix mountain font sliding block 6-3's by turning caging bolt 6-4
Position, the drawing pen being arranged between left curved baffle 6-6 and right curved baffle 6-7 is clamped by external screw thread fix bar 6-9
Firmly.
The cylindrical drawing apparatus 7 is by rectangle fixed block 7-1, left telescopic Circular-drawing instrument 7-2 and right telescopic Circular-drawing instrument 7-3
Form；The rectangle fixed block 7-1 is fixedly connected on the inner side of the rectangular through-hole on lower circular mounting disk 5-6, rectangle fixed block
7-1 left end is fixedly connected with left telescopic Circular-drawing instrument 7-2, and rectangle fixed block 7-1 right-hand member is fixedly connected with right telescopic Circular-drawing instrument
7-3。
One center of circle positioning device of center bonding connection of the bottom surface of the chip card 5-4；The center of circle positioning device
Using infrared-ray pen.So that at the fixed center of circle, the infrared ray that the present invention is projected by infrared-ray pen overlaps with the center of circle, so
After drawn, be easy to be drawn according to round dot circular.
The telescopic Circular-drawing instrument 7-2 in a left side is identical with right telescopic Circular-drawing instrument 7-3 structures；The telescopic Circular-drawing instrument 7- in a left side
2 by preceding containing tube 7-2-1, middle screwed pipe 7-2-2, rear fixing pipe 7-2-3, paintbrush fixed seat 7-2-4 and telescopic fixing rod 7-2-5
Form；The preceding containing tube 7-2-1 is fixedly connected on rectangle fixed block 7-1, and preceding containing tube 7-2-1 left end is connected by screw thread
Middle screwed pipe 7-2-2 is met, middle screwed pipe 7-2-2 left end is fixedly connected on rear fixing pipe 7-2-3, rear fixing pipe 7-2-3's
Left end is connected to by bearing on paintbrush fixed seat 7-2-4 right flank, and circular groove is set on paintbrush fixed seat 7-2-4；Institute
The right-hand member for stating telescopic fixing rod 7-2-5 is fixedly connected on rectangle fixed block 7-1, and telescopic fixing rod 7-2-5 left end is connected to
On paintbrush fixed seat 7-2-4.The telescopic Circular-drawing instrument 7-2 in a left side when in use, can be inserted by screwed pipe 7-2-2 in regulation
The length of circular radius is drawn to adjust to the length inside preceding containing tube 7-2-1, is entered paintbrush by paintbrush fixed seat 7-2-4
Row is fixed.
One tangent circle renderer 8 of connection on the inside of circular groove on the paintbrush fixed seat 7-2-4；The tangent circle is painted
Device 8 processed by cylinder fixing axle 8-1, revoling tube 8-2, fastening bolt 8-3, rectangle sliding chute seat 8-4, door shape sliding block 8-5, paint circle
8-6 and bolt 8-7 is formed；The upper end of the cylinder fixing axle 8-1 is fixedly connected on the inner side of circular groove, and cylinder is solid
Dead axle 8-1 lower gap is connected and is welded to connect rectangle on revoling tube 8-2 inner side, revoling tube 8-2 side
Sliding chute seat 8-4, rectangle sliding chute seat 8-4 upper end set rectangle chute, rectangle chute medial gap mating connection door shape sliding block
8-5, door shape sliding block 8-5 lower end connect a circle drawing pen 8-6, and it is fixed to be connected through a screw thread on door shape sliding block 8-5 side
Position bolt 8-7；Fastening bolt 8-3 is connected through a screw thread on the side of the revoling tube 8-2, fastening bolt 8-3 inner side is tight
It is close to be fitted on cylinder fixing axle 8-1.The tangent circle renderer 8 when in use, draws two inscribes together if desired
Circle, rectangle sliding chute seat 8-4 is adjusted to outermost end first so that round external diameter reaches maximum, then passes through rotating rocker
Formula tumbler 3 carry out outside circle drafting, then rotate rectangle sliding chute seat 8-4 by hand again so that rectangle sliding chute seat 8-4 around
Cylinder fixing axle 8-1 rotates a circle, and realizes the drafting of inscribed circle；If necessary to draw two circumcircles, then rectangle is slided first
Groove seat 8-4 is adjusted to most inner side, near the position in the center of circle, is then drawn, and after drawing first circle, rotates rectangle by hand
Sliding chute seat 8-4 so that rectangle sliding chute seat 8-4 rotates a circle around cylinder fixing axle 8-1, realizes the drafting of circumcircle.
A kind of cyclograph of the present invention, its operation principle are：When in use, three of the outside of fixed pedestal 1 are passed through first
The present invention is fixed support frame device 2, and then drawing pen is clamped on inner circle drawing apparatus 6 or cylindrical drawing apparatus 7,
It needs to be determined that when radius or diameter, prepare meter ruler, drawing pen and the distance of the bottom center of linkage 5 are measured, and
According to regulation inner circle drawing apparatus 6 and cylindrical drawing apparatus 7 is actually needed the radius of its circle drawn can be made to meet the requirements,
After adjusted, rocker-type tumbler 3 is shaken, the drivening rod device 5 of rocker-type tumbler 3 is rotated, the band of linkage 5
The drafting that the dynamic drawing apparatus 7 of inner circle drawing apparatus 6 or cylindrical is justified；And when needing to draw circular arc, then by adjusting circular arc
Drawing apparatus 4 is aided in carry out the drafting of circular arc；Support frame as described above device 2 when in use, can be by adjusting the first cross bar 2-
3rd, the second cross bar 2-4, the 3rd cross bar 2-5 carry out length of the support frame device 2 apart from the center of circle, in order to adapt to different plotting planes or
The demand of different diameters, and the length that can be inserted into by adjusting lower supporting rod 2-8 inside upper supporting column 2-7, to adjust support frame
The overall height of device 2, is easy to be applied to different working environments, in addition, the disc seat 2-9 uses rubber suction cups seat, makes
Obtain of the invention suitable for being painted similar to blackboard or glass surface etc. on the perpendicular of disk so that application of the present invention is more wide
It is general；The rocker-type tumbler 3 when in use, shakes joystick 3-1 and drives rotating disk 3-2 to be rotated, rotating disk 3-2 turns
Bull stick 3-3 is driven to rotate when dynamic, bull stick 3-3 drivening rods device 5 is rotated；The circular arc auxiliary drawing apparatus 4 is using
When, block block 4-4 is slided to adjust according to the angle of practically necessary circular arc first, by observing annular bevel protractor 4-2
, then will card so as to realize the regulation of arc angle to determine fixing card block 4-3 and slide the angle between block block 4-4
Stopper device 4-6 left end is fitted on the inside of the rectangular channel on fixing card block 4-3, starts to draw circular arc, when rotating disk 3-2 revolves
After angle required for turning, block head device 4-6 right-hand member block is sliding block block 4-4 left end, realizes the drafting of circular arc；
The setting of rectangular channel on the fixing card block 4-3, the angle that circular arc can be effectively ensured reach standard, reduced in drawing process
Error；The fixing card block 4-3 when in use, if necessary to draw circular arc, is then slided outside T-shaped slider to T-shaped chute
End so that pin can be with block between fixing card block 4-3 and slip block block 4-4；The linkage 5 when in use,
Lower circular mounting disk 5-6 can rotate around second connecting rod 5-2, can be by turning regulating bolt 5-3 bands when needing to fix
Dynamic chip card 5-4 blocks lower circular mounting disk 5-6 are fixed in lower circular mounting disk 5-6 lower end；The inner circle is painted
Device 6 processed when in use, can adjust radius by adjusting positions of the mountain font sliding block 6-3 inside rectangle chute 6-2, can
To fix mountain font sliding block 6-3 position by turning caging bolt 6-4, a left side will be arranged on by external screw thread fix bar 6-9
Drawing pen between curved baffle 6-6 and right curved baffle 6-7 clamps；The telescopic Circular-drawing instrument 7-2 in a left side when in use, can
To be inserted into the length inside preceding containing tube 7-2-1 by screwed pipe 7-2-2 in regulation to adjust the length of drafting circular radius,
Paintbrush is fixed by paintbrush fixed seat 7-2-4；The tangent circle renderer 8 when in use, draws two if desired
The circle of inscribe together, rectangle sliding chute seat 8-4 is adjusted to outermost end first so that round external diameter reaches maximum, Ran Houtong
The drafting that rotating rocker formula tumbler 3 carries out outside circle is crossed, then rotates rectangle sliding chute seat 8-4 by hand again so that rectangle is slided
Groove seat 8-4 rotates a circle around cylinder fixing axle 8-1, realizes the drafting of inscribed circle；It is if necessary to draw two circumcircles, then first
First rectangle sliding chute seat 8-4 is adjusted to most inner side, near the position in the center of circle, then drawn, after drawing first circle, is used
Hand rotation rectangle sliding chute seat 8-4 so that rectangle sliding chute seat 8-4 rotates a circle around cylinder fixing axle 8-1, realizes painting for circumcircle
System.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention, fall within the guarantor of the present invention
Protect scope.
Claims (10)
1. a kind of cyclograph, including fixed pedestal (1), support frame device (2), rocker-type tumbler (3), circular arc auxiliary are drawn
Device (4), linkage (5), inner circle drawing apparatus (6) and cylindrical drawing apparatus (7), it is characterised in that：The fixed pedestal
(1) outside connects three support frame devices (2)；Connection rocker-type tumbler among the top of the fixed pedestal (1)
(3)；The lower end of the rocker-type tumbler (3) passes through fixed pedestal (1), and the lower end connection of rocker-type tumbler (3) connects
The upper end of lever apparatus (5)；The lower end of the linkage (5) from top to bottom connects inner circle drawing apparatus (6) and cylindrical draw fills
Put (7).
A kind of 2. cyclograph according to claim 1, it is characterised in that：The fixed pedestal (1) is by upper annulus seat (1-
1), cylindrical seat (1-2), lower annulus seat (1-3) and circular pole perforating hole (1-4) are formed；The upper annulus seat (1-1) is connected to cylinder
The upper end of the side of seat (1-2), toroidal cavity is set on the bottom surface of upper annulus seat (1-1)；Lower annulus seat (1-3) connection
Toroidal cavity is set on the lower end of the side of cylindrical seat (1-2), the top surface of lower annulus seat (1-3)；The cylindrical seat (1-2)
Among circular pole perforating hole (1-4) is set.
A kind of 3. cyclograph according to claim 2, it is characterised in that：Support frame as described above device (2) is by sliding bar (2-
1), rotating casing (2-2), the first cross bar (2-3), the second cross bar (2-4), the 3rd cross bar (2-5), fixed sleeving (2-6), upper branch
Post (2-7), lower supporting rod (2-8) and disc seat (2-9) are formed；The upper end of the sliding bar (2-1) and the lower end of sliding bar (2-1)
The inside of two toroidal cavities, the middle splaying mating connection rotating casing (2- of sliding bar (2-1) are slidably fitted in respectively
2)；The gap between two ends of the rotating casing (2-2) are connected between upper annulus seat (1-1) and lower annulus seat (1-3)；It is described
The right-hand member of rotating casing (2-2) connects the first cross bar (2-3)；The right-hand member of first cross bar (2-3) is inserted into the second cross bar (2-
4) inside；The right-hand member of second cross bar (2-4) is inserted into the inside of the 3rd cross bar (2-5)；3rd cross bar (2-5)
Right-hand member is connected sleeve pipe (2-6), and upper supporting column (2-7), upper supporting column (2-7) are connected through a screw thread on the inside of fixed sleeving (2-6)
Bottom internal thread hole is set, lower supporting rod (2-8), the bottom connection of lower supporting rod (2-8) are connected through a screw thread on the inside of internal thread hole
Disc seat (2-9)；The disc seat (2-9) is rubber suction cups seat.
A kind of 4. cyclograph according to claim 2, it is characterised in that：The rocker-type tumbler (3) is by joystick
(3-1), rotating disk (3-2) and bull stick (3-3) are formed；The joystick (3-1) is welded on rotating disk (3-2) top surface；It is described
The center weld connection bull stick (3-3) of rotating disk (3-2) bottom surface；The middle-end of the bull stick (3-3) is connected to circle by bearing
The inner side of pole perforating hole (1-4), the lower end connection linkage device (5) of bull stick (3-3).
A kind of 5. cyclograph according to claim 4, it is characterised in that：The circular arc auxiliary drawing apparatus (4) is by annulus
Anti- guard housing (4-1), annular bevel protractor (4-2), fixing card block (4-3), slide block block (4-4), annular groove (4-5) and
Block head device (4-6) is formed；The anti-guard housing of annulus (4-1) is connected on cylindrical seat (1-2) top surface, the anti-guard housing of annulus
The upper end bonding connection annular bevel protractor (4-2) of (4-1), the upper end of the anti-guard housing of annulus (4-1) set annular groove (4-5)；
The inner side bonding connection fixing card block (4-3) of the anti-guard housing of annulus (4-1), rectangular channel is set on fixing card block (4-3)；
Block block (4-4) is slided in the inner side sliding connection of the annular groove (4-5)；The block head device (4-6) is by top surface
Fixed block, T-shaped slider and the pin of T-shaped chute is set to form, T-shaped slider is slidably fitted in the inner side of T-shaped chute, T-shaped slider
Upper end bonding connection pin, the width of pin is identical with the width of rectangular channel.
6. according to a kind of cyclograph described in claim 4, it is characterised in that：The linkage (5) by first connecting rod (5-1),
Second connecting rod (5-2), regulating bolt (5-3), chip card (5-4), upper circular mounting disk (5-5) and lower circular mounting disk (5-
6) form；The upper end of the first connecting rod (5-1) is threadedly attached in bull stick (3-3) lower end, first connecting rod (5-1) it is upper
End is inserted into bull stick (3-3) inside；The lower end of the first connecting rod (5-1) is fixedly connected with circular mounting disk (5-5), upper circle
Around three inner circle drawing apparatus (6) of connection on the side of shape mounting disc (5-5)；The bottom bonding of the first connecting rod (5-1)
Second connecting rod (5-2), the centrally disposed manhole of lower circular mounting disk (5-6) are connected, manhole medial gap, which coordinates, to be connected
Connect second connecting rod (5-2)；The bottom of the second connecting rod (5-2) is connected through a screw thread regulating bolt (5-3), regulating bolt (5-
3) lower end is fixedly connected with chip card (5-4), and chip card (5-4) is fitted on the bottom surface of lower circular mounting disk (5-6)；Institute
State and two rectangular through-holes in left and right be set on lower circular mounting disk (5-6), be respectively fixedly connected on the inside of two rectangular through-holes one it is cylindrical
Drawing apparatus (7).
7. according to a kind of cyclograph described in claim 6, it is characterised in that：The inner circle drawing apparatus (6) is by rectangular slide seat
(6-1), rectangle chute (6-2), mountain font sliding block (6-3), caging bolt (6-4), circular fixed seat (6-5), left curved baffle
(6-6), right curved baffle (6-7), arc fixed plate (6-8), external screw thread fix bar (6-9) and the axis of guide (6-10) are formed；Institute
The upper end for stating rectangular slide seat (6-1) sets rectangle chute (6-2), the medial gap mating connection mountain word of rectangle chute (6-2)
Shape sliding block (6-3), the lower end of mountain font sliding block (6-3) are connected by screw circular fixed seat (6-5), circular fixed seat (6-5)
The both sides of bottom are symmetrical arranged two pieces of arc fixed plates (6-8)；The left curved baffle (6-6) and right curved baffle (6-7) are set
Put in the inner side of two pieces of arc fixed plates (6-8), left curved baffle (6-6) bonding connection is in circular fixed seat (6-5) bottom；Institute
The arc fixed plate (6-8) that external screw thread fix bar (6-9) is connected through a screw thread right side is stated, external screw thread fix bar (6-9) passes through rotation
Adapter connects right curved baffle (6-7)；The arc fixed plate (6-8) on the axis of guide (6-10) the gap mating connection right side,
The axis of guide (6-10) is fixedly connected on right curved baffle (6-7)；Pass through screw thread on the right flank of the mountain font sliding block (6-3)
Connect caging bolt (6-4)；Circular mounting disk (5-5) in rectangular slide seat (6-1) connection.
8. according to a kind of cyclograph described in claim 6, it is characterised in that：The cylindrical drawing apparatus (7) is by rectangle fixed block
(7-1), left telescopic Circular-drawing instrument (7-2) and right telescopic Circular-drawing instrument (7-3) are formed；The rectangle fixed block (7-1) is fixed to be connected
The inner side for the rectangular through-hole being connected on lower circular mounting disk (5-6), the left end of rectangle fixed block (7-1) are fixedly connected left telescopic
Circular-drawing instrument (7-2), the right-hand member of rectangle fixed block (7-1) are fixedly connected with right telescopic Circular-drawing instrument (7-3).
A kind of 9. cyclograph according to claim 8, it is characterised in that：The telescopic Circular-drawing instrument in a left side (7-2) and the right side are stretched
Contracting formula Circular-drawing instrument (7-3) structure is identical；The telescopic Circular-drawing instrument in a left side (7-2) is by preceding containing tube (7-2-1), middle screwed pipe (7-
2-2), rear fixing pipe (7-2-3), paintbrush fixed seat (7-2-4) and telescopic fixing rod (7-2-5) are formed；Preceding containing tube (the 7-
2-1) it is fixedly connected on rectangle fixed block (7-1), the left end of preceding containing tube (7-2-1) is connected through a screw thread middle screwed pipe (7-
2-2), the left end of middle screwed pipe (7-2-2) is fixedly connected in rear fixing pipe (7-2-3), and the left end of rear fixing pipe (7-2-3) leads to
Cross bearing to be connected on paintbrush fixed seat (7-2-4) right flank, circular groove is set in paintbrush fixed seat (7-2-4)；It is described
The right-hand member of telescopic fixing rod (7-2-5) is fixedly connected on rectangle fixed block (7-1), and the left end of telescopic fixing rod (7-2-5) connects
It is connected in paintbrush fixed seat (7-2-4).
A kind of 10. cyclograph according to claim 9, it is characterised in that：Circle on the paintbrush fixed seat (7-2-4)
One tangent circle renderer (8) of connection on the inside of groove；The tangent circle renderer (8) is by cylinder fixing axle (8-1), revoling tube
(8-2), fastening bolt (8-3), rectangle sliding chute seat (8-4), door shape sliding block (8-5), circle drawing pen (8-6) and bolt (8-
7) form；The upper end of the cylinder fixing axle (8-1) is fixedly connected on the inner side of circular groove, under cylinder fixing axle (8-1)
Splaying is connected and is welded to connect rectangle sliding chute seat on revoling tube (8-2) inner side, the side of revoling tube (8-2)
(8-4), the upper end of rectangle sliding chute seat (8-4) set rectangle chute, rectangle chute medial gap mating connection door shape sliding block (8-
5), the lower end of door shape sliding block (8-5) connects a circle drawing pen (8-6), is connected on the side of door shape sliding block (8-5) by screw thread
Connect bolt (8-7)；Fastening bolt (8-3), fastening bolt are connected through a screw thread on the side of the revoling tube (8-2)
It is fitted tightly on the inside of (8-3) in cylinder fixing axle (8-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719415.8A CN107487115B (en) | 2017-08-21 | 2017-08-21 | A kind of cyclograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710719415.8A CN107487115B (en) | 2017-08-21 | 2017-08-21 | A kind of cyclograph |
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| CN107487115A true CN107487115A (en) | 2017-12-19 |
| CN107487115B CN107487115B (en) | 2019-01-29 |
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| CN201710719415.8A Active CN107487115B (en) | 2017-08-21 | 2017-08-21 | A kind of cyclograph |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248257A (en) * | 2018-01-17 | 2018-07-06 | 钱姝雅 | A kind of special plotter of blackboard |
| CN108444371A (en) * | 2018-04-02 | 2018-08-24 | 盐城哈力动力传动及智能装备产业研究院有限公司 | A kind of pitch circle locating and detecting device and application method |
| CN113334973A (en) * | 2021-07-02 | 2021-09-03 | 重庆第二师范学院 | Ellipse and ellipse tangent drawing device and using method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2053577U (en) * | 1989-04-15 | 1990-02-28 | 卢恩光 | High-speed drafting machine |
| JPH07309098A (en) * | 1994-05-16 | 1995-11-28 | Takeshi Inoue | Simple compass |
| CN2223694Y (en) * | 1995-03-29 | 1996-04-03 | 刘顺和 | Circular curve-drawing instrument |
| EP0855961A1 (en) * | 1995-10-02 | 1998-08-05 | Félix Folivi | Combined protractor, compass, ruler and set square device |
| CN2873524Y (en) * | 2006-03-02 | 2007-02-28 | 张士苍 | Conic curve gange |
| CN103818160A (en) * | 2014-03-03 | 2014-05-28 | 金华职业技术学院 | Chain-line teaching compass |
| WO2014191007A1 (en) * | 2013-05-28 | 2014-12-04 | El-Shorbagy Mohamed Amin Hassan | A compass |
| CN204894901U (en) * | 2015-08-20 | 2015-12-23 | 刘德瑛 | Mathematics teaching assistance teaching aid |
-
2017
- 2017-08-21 CN CN201710719415.8A patent/CN107487115B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2053577U (en) * | 1989-04-15 | 1990-02-28 | 卢恩光 | High-speed drafting machine |
| JPH07309098A (en) * | 1994-05-16 | 1995-11-28 | Takeshi Inoue | Simple compass |
| CN2223694Y (en) * | 1995-03-29 | 1996-04-03 | 刘顺和 | Circular curve-drawing instrument |
| EP0855961A1 (en) * | 1995-10-02 | 1998-08-05 | Félix Folivi | Combined protractor, compass, ruler and set square device |
| CN2873524Y (en) * | 2006-03-02 | 2007-02-28 | 张士苍 | Conic curve gange |
| WO2014191007A1 (en) * | 2013-05-28 | 2014-12-04 | El-Shorbagy Mohamed Amin Hassan | A compass |
| CN103818160A (en) * | 2014-03-03 | 2014-05-28 | 金华职业技术学院 | Chain-line teaching compass |
| CN204894901U (en) * | 2015-08-20 | 2015-12-23 | 刘德瑛 | Mathematics teaching assistance teaching aid |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248257A (en) * | 2018-01-17 | 2018-07-06 | 钱姝雅 | A kind of special plotter of blackboard |
| CN108444371A (en) * | 2018-04-02 | 2018-08-24 | 盐城哈力动力传动及智能装备产业研究院有限公司 | A kind of pitch circle locating and detecting device and application method |
| CN108444371B (en) * | 2018-04-02 | 2023-09-26 | 盐城永安科技有限公司 | Gear pitch circle positioning detection device and use method |
| CN113334973A (en) * | 2021-07-02 | 2021-09-03 | 重庆第二师范学院 | Ellipse and ellipse tangent drawing device and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN107487115B (en) | 2019-01-29 |
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