CN109895546A - A kind of Multifunctional compasses ruler and its drawing practice - Google Patents
A kind of Multifunctional compasses ruler and its drawing practice Download PDFInfo
- Publication number
- CN109895546A CN109895546A CN201910329374.0A CN201910329374A CN109895546A CN 109895546 A CN109895546 A CN 109895546A CN 201910329374 A CN201910329374 A CN 201910329374A CN 109895546 A CN109895546 A CN 109895546A
- Authority
- CN
- China
- Prior art keywords
- scribing line
- arc
- circle
- center
- orthodrome
- 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.)
- Withdrawn
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The present invention relates to field of stationery, and in particular to a kind of Multifunctional compasses ruler and its drawing practice, comprising: guide rail ruler body, center of circle shaft, orthodrome scribing line block, small arc-shaped scribing line block, big circular rack and small circular rack；Side is provided in the guide rail ruler body, disc slots and sliding rail, and the center of circle shaft is rotatablely connected by the disc slots and the guide rail ruler body, and the guide rail ruler body upper surface is provided with two row scale strips；The orthodrome scribing line block and small arc-shaped scribing line block are separately positioned on the two sides of the center of circle shaft, the big circular rack is oppositely arranged with the small circular rack, and it is fixed in the guide rail ruler body by sliding rail sliding, the scale strip setting is in orthodrome scribing line block side.
Description
Technical field
The present invention relates to field of stationery, and in particular to a kind of Multifunctional compasses ruler and its drawing practice.
Background technique
Compasses and ruler are common drawing tools, however the needle angle of traditional compasses is than relatively hazardous, and traditional compasses are made
During figure, two feet of compasses are easy to happen loosening, the accuracy of arc drafting are influenced, in addition, compasses and ruler are together
It carries inconvenient.The utility model patent of Patent No. 201020612621.2 discloses a kind of compasses combined with ruler, compasses positioning
One end that the ruler main body is set is put, and be provided with compasses mobile unit in the ruler main body to slide wherein
Elongate slots, compasses mobile unit be can with the opening block of line-plotting device secure fit, thus ruler main body around compasses position
When point rotation, compasses mobile unit can drive line-plotting device work to justify.However, the safety of the compasses combined with ruler of this structure is poor,
And during drawing circle, penholder is easy to happen sliding, and the circular arc marked is not regular enough, and furthermore its precision for drawing circle is also poor, no
The lesser circular arc of diameter can be drawn.
Summary of the invention
The purpose of the present invention is to provide a kind of Multifunctional compasses ruler and its drawing to solve the problems in background technique
Method.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of Multifunctional compasses ruler, comprising: guide rail ruler body, center of circle shaft, orthodrome scribing line block, small arc-shaped scribing line block, big
Circular rack and small circular rack；Side is provided in the guide rail ruler body, disc slots and sliding rail, and the center of circle shaft passes through the disk
Slot and the guide rail ruler body are rotatablely connected, and the guide rail ruler body upper surface is provided with two row scale strips, respectively great circle scale strip
With roundlet scale strip, the guide rail ruler body top is provided with slide block slot, and the guide rail ruler body bottom is provided with marking groove；It is described big
Circular arc scribing line block and small arc-shaped scribing line block are separately positioned on the two sides of the center of circle shaft, the big circular rack and the small knuckle-tooth
Item is oppositely arranged, and is fixed in the guide rail ruler body by sliding rail sliding, and the scale strip is arranged in the great circle
Arc scribing line block side；The orthodrome scribing line block includes big sliding block, tightening knob and paintbrush adjustment block, in the paintbrush adjustment block
It is provided with paintbrush jack, paintbrush jack side is provided with paintbrush positioning knob, the paintbrush adjustment block and the big sliding block
Between be provided with positioning screw rod and positioning knob；Small arc-shaped scribing line block includes, small slide block, positioning cross bar, scribing line nib and
Adjusting nut, the scribing line nib are hinged at the top of the positioning cross bar, the scribing line nib and the positioning cross bar top
Between be provided with protrusion used for positioning and recess, the adjusting nut, which passes through, is arranged in screw-driven part inside the small slide block
Position is finely adjusted to the positioning cross bar, the positioning cross bar and scribing line nib are arranged in the marking groove.
Preferably, the center of circle shaft includes push button pad and axis body, double-layer gear is arranged with outside the axis body, it is described double
Layer gear includes two gear wheels fixed with one heart and pinion gear, is provided at the top of the push button pad of the center of circle shaft by cap, institute
State the flexible lockable mechanism for being provided with flexible shank in axis body and stretching out be retracted for controlling the flexible shank.
Preferably, the orthodrome scribing line block is connected by big circular rack with the center of circle shaft, the big circular rack
One end is fixedly connected with orthodrome scribing line block, and the other end is meshed with the gear wheel in the center of circle shaft；The roundlet
Arc scribing line block is connected by small circular rack with the center of circle shaft, and described small circular rack one end is fixed with small arc-shaped scribing line block
Connection, the other end are meshed with the pinion gear in the center of circle shaft.
Preferably, the guide rail ruler body, which is located at small arc-shaped scribing line block side, is provided with calibration position line, it is described small
Slider top is provided with position line.
Preferably, the guide rail ruler body side surface is provided with big circular rack through-hole, and in the lesser circular arc of picture size, great circle
Arc scribing line block can compare close to center of circle shaft, at this point, big circular rack is pierced by from big circular rack through-hole, so that orthodrome is crossed
Block obtains bigger stroke.
Preferably, the center of circle of the flexible shank, the paintbrush jack center of circle and the written three that crosses is conllinear
Setting, the adjusting direction of the positioning cross bar and paintbrush positioning knob to screw direction parallel with above-mentioned three's line.
Preferably, the ratio between the gear wheel and the nominal diameter of pinion gear are 1:2,1:4,1:5 or 1:10, the roundlet
The ratio between the scale density of scale strip and great circle scale strip is identical as the ratio between above-mentioned nominal diameter.
Preferably, the center of circle shaft is made of transparent material, convenient for observation center location.
Preferably, being provided with tuning drive gear on the big sliding block.
A kind of drawing practice of Multifunctional compasses ruler, is drawn, including following drafting using above-mentioned Multifunctional compasses ruler
Method:
A, the position correction before orthodrome is drawn: 1, unscrewing tightening knob, and paintbrush is inserted into after paintbrush jack and is determined with paintbrush
Position knob locking, sliding orthodrome scribing line block, tuning drive gear is slipped and needs to draw at the great circle scale strip of arc radius size；
2, tightening knob is tightened, presses and is stretched out flexible shank by flexible lockable mechanism by cap, by flexible shank by needing to draw
Circular arc the center point；3, center of circle shaft is pinned on the other hand, is in addition held paintbrush on the other hand and is carried out picture circle；4, after painting, measurement circular arc is straight
Diameter calculates arc radius, with scale radius ratio pair；If 5, comparison result is deviated, rotates positioning knob and pass through positioning
Screw rod finely tunes the position of paintbrush adjustment block, and draws circle measurement radius again, until arc diameter is accurate；
B, orthodrome is drawn: 1, unscrewing tightening knob, tuning drive gear is slipped and needs to draw circle by sliding orthodrome scribing line block
At the great circle scale strip of arc radius size；2, tightening knob is tightened, presses and is stretched flexible shank by flexible lockable mechanism by cap
Out, by flexible shank by the circular arc the center point drawn in needs；3, center of circle shaft is pinned on the other hand, in addition holds paintbrush progress on the other hand
Draw circle；4, it after circular arc paints, presses retracted flexible shank by flexible lockable mechanism by cap again, unscrew paintbrush positioning knob
Remove paintbrush；
C, the position correction before small arc-shaped is drawn: 1, unscrew tightening knob, sliding orthodrome scribing line block, cross in orthodrome
While block slides, due to the effect of double-layer gear and big circular rack and small circular rack, small arc-shaped is crossed, and progress is anti-simultaneously for block
To sliding, when the position line at the top of small slide block is aligned with the calibration position line of guide rail ruler body, stop sliding orthodrome scribing line
Block, and tightening knob is tightened；2, rotation scribing line nib makes its pen core stretch out marking groove, presses and passes through the lockable mechanism that stretches by cap
Flexible shank is stretched out, by flexible shank by the circular arc the center point drawn in needs；3, center of circle shaft is pinned on the other hand, in addition on the other hand
It holds guide rail ruler body and carries out picture circle；4, after painting, measure arc diameter, calculate arc radius, with calibration position line scale into
Row compares；If 5, comparison result is deviated, the position of adjusting nut fine tuning positioning cross bar is rotated, and draws circle measurement half again
Diameter, until arc diameter is accurate；
D, small arc-shaped is drawn: 1, unscrewing tightening knob, sliding orthodrome scribing line block, needs that tuning drive gear slips draw circle
At the roundlet scale strip of arc radius size；2, rotation scribing line nib makes its pen core stretch out marking groove, presses and passes through flexible lock by cap
Locking mechanism stretches out flexible shank, by flexible shank by the circular arc the center point drawn in needs；3, center of circle shaft is pinned on the other hand, separately
Outer proficiency holds guide rail ruler body and carries out picture circle；4, it after circular arc paints, is pressed flexible needle again by cap through flexible lockable mechanism
Bar retracts, and rotation scribing line nib makes its pen core retract marking groove；
E, circular arc drawn to scale: 1, ratio enlargement is drawn: sliding small arc-shaped scribing line block measures arc size and then uses
Orthodrome scribing line block is drawn；2, scale smaller is drawn: then sliding orthodrome scribing line block measures arc size using small
Circular arc scribing line block is drawn.
In conclusion beneficial effects of the present invention:
1. a kind of Multifunctional compasses ruler of the present invention, ruler rounding is combined, at the same using ready-made pencil or
Ball pen is crossed, and carrying is easily facilitated.In addition, the lifting by button designs, pen tip and shank are concealed, improves and takes
With the safety during storage.
2. a kind of Multifunctional compasses ruler of the present invention, a position is drawn during arc drafting and is able to maintain stabilization, is drawn
The circular arc uniformity of system is good.In addition, can be classified by double-layer gear and rack structure and draw big small arc-shaped, to minor radius
The drafting precision of circular arc is high, and solving traditional compass for students size inaccuracy in small-radius arc drawing process influences mapping
The problem of quality.
3. a kind of Multifunctional compasses ruler of the present invention, the arc drafting for being able to carry out equal proportion amplification, reducing.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is assembling schematic diagram of the invention；
Fig. 3 is the structural schematic diagram of small arc-shaped scribing line block of the present invention.
Specific embodiment
Following specific embodiments are only explanation of the invention, are not limitation of the present invention, art technology
Personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as
All by the protection of Patent Law in scope of the presently claimed invention.
With embodiment, the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1:
According to FIG. 1 to FIG. 3, a kind of Multifunctional compasses ruler, comprising: guide rail ruler body 1, center of circle shaft 2, orthodrome scribing line
Block 3, small arc-shaped scribing line block 4, big circular rack 5 and small circular rack 6.
It is provided on the inside of guide rail ruler body 1, disc slots 11 and sliding rail 12, center of circle shaft 2 passes through disc slots 11 and guide rail ruler body 1
Rotation connection, 1 upper surface of guide rail ruler body is provided with two row scale strips 13, respectively great circle scale strip and roundlet scale strip, guide rail
Slide block slot 14 is provided at the top of ruler body 1,1 bottom of guide rail ruler body is provided with marking groove 15；Orthodrome scribing line block 3 and small arc-shaped scribing line
Block 4 is separately positioned on the two sides of center of circle shaft 2, and big circular rack 5 is oppositely arranged with small circular rack 6, and is slided by sliding rail 12
It is fixed in guide rail ruler body 1, the setting of scale strip 13 is in orthodrome scribing line 3 side of block.
Orthodrome scribing line block 3 includes big sliding block 31, tightening knob 32 and paintbrush adjustment block 33, is set in paintbrush adjustment block 33
It is equipped with paintbrush jack 34,34 side of paintbrush jack is provided with paintbrush positioning knob 341, between paintbrush adjustment block 33 and big sliding block 31
It is provided with positioning screw rod 332 and positioning knob 331；
Small arc-shaped scribing line block 4 includes small slide block 41, positioning cross bar 42, scribing line nib 43 and adjusting nut 44, scribing line nib
43 are hinged at the top of positioning cross bar 42, are provided between 42 top of scribing line nib 43 and positioning cross bar used for positioning raised and recessed
Mouthful.
Center of circle shaft 2 includes push button pad 21 and axis body 22, is arranged with double-layer gear 23 outside axis body 22, double-layer gear 23 includes
Two fixed gear wheels 231 and pinion gear 232 with one heart are provided with by cap 23, axis body 22 at the top of the push button pad 21 of center of circle shaft 2
The flexible lockable mechanism for being inside provided with flexible shank 24 and stretching out be retracted for controlling flexible shank 24.
Orthodrome scribing line block 3 is connected by big circular rack 5 with center of circle shaft 2, big 5 one end of circular rack and orthodrome scribing line block
3 are fixedly connected, and the other end is meshed with the gear wheel 231 in center of circle shaft 2；Small arc-shaped scribing line block 4 passes through small circular rack 6 and circle
Heart shaft 2 is connected, and small 6 one end of circular rack is fixedly connected with small arc-shaped scribing line block 4, the pinion gear on the other end and center of circle shaft 2
232 are meshed.
Guide rail ruler body 1 is located at small arc-shaped scribing line 4 side of block and is provided with calibration position line 16, and it is fixed to be provided at the top of small slide block 41
Bit line 411,1 side of guide rail ruler body are provided with big circular rack through-hole 17, and stretch shank 24,34 center of circle of paintbrush jack and bow pen
The center of circle of first 43 three is collinearly arranged, transpose cross bar 42 adjusting direction and paintbrush positioning knob 341 screw direction with it is upper
It is parallel to state three's line, center of circle shaft 2 is made of transparent material, is provided with tuning drive gear 35 on big sliding block 31.
In this example, the ratio between nominal diameter of gear wheel 231 and pinion gear 232 is 1:5, roundlet scale strip and big circular scale
The ratio between scale density of item is identical as the ratio between above-mentioned nominal diameter, and the meter full scale of roundlet scale strip and great circle scale strip is respectively
0-5cm and 5-30cm.
It is drawn using above-mentioned Multifunctional compasses ruler, including following method for drafting:
A, the position correction before orthodrome is drawn: 1, unscrewing tightening knob 32, uses picture after paintbrush is inserted into paintbrush jack 34
Positioning knob 341 is locked, and sliding orthodrome is crossed block 3, and tuning drive gear 34 is slipped and needs to draw the big of arc radius size
At circular scale item；2, tightening knob 32 is tightened, presses and is stretched out flexible shank 24 by flexible lockable mechanism by cap 23, will stretch
Shank 24 is by the circular arc the center point drawn in needs；3, center of circle shaft 2 is pinned on the other hand, is in addition held paintbrush on the other hand and is carried out picture circle；
4, after painting, arc diameter is measured, arc radius is calculated, with scale radius ratio pair；If 5, comparison result is deviated, turn
Dynamic positioning knob 331 finely tunes the position of paintbrush adjustment block 33 by positioning screw rod 332, and draws circle measurement radius, Zhi Daoyuan again
Until arc dia is accurate；
B, orthodrome is drawn: 1, unscrewing tightening knob 32, sliding orthodrome is crossed block 3, and tuning drive gear 34 is slipped needs
At the great circle scale strip for drawing arc radius size；2, tightening knob 32 is tightened, pressing will by flexible lockable mechanism by cap 23
Flexible shank 24 stretches out, by flexible shank 24 by the circular arc the center point drawn in needs；3, center of circle shaft 2 is pinned on the other hand, in addition
Paintbrush is held on the other hand carries out picture circle；4, it after circular arc paints, is pressed flexible shank 24 again by cap 23 through flexible lockable mechanism
It retracts, unscrews paintbrush positioning knob 341 and remove paintbrush；
C, the position correction before small arc-shaped is drawn: 1, unscrew tightening knob 32, sliding orthodrome scribing line block 3, in orthodrome
While block 3 of crossing slides, due to the effect of double-layer gear 23 and big circular rack 5 and small circular rack 6, small arc-shaped scribing line block 4
Reversed sliding is carried out simultaneously, when the position line 411 at 41 top of small slide block is aligned with the calibration position line 16 of guide rail ruler body 1,
Stop sliding orthodrome scribing line block 3, and tightening knob 32 is tightened；2, rotation scribing line nib 43 makes its pen core stretch out marking groove
15, it presses and is stretched out flexible shank 24 by flexible lockable mechanism by cap 23, by flexible shank 24 by the circular arc drawn in needs
The center point；3, center of circle shaft 2 is pinned on the other hand, is in addition held guide rail ruler body 1 on the other hand and is carried out picture circle；4, after painting, measurement circular arc is straight
Diameter calculates arc radius, is compared with calibration 16 scale of position line；If 5, comparison result is deviated, adjusting is rotated
The position of the fine tuning positioning cross bar 42 of nut 44, and circle measurement radius is drawn again, until arc diameter is accurate；
D, small arc-shaped is drawn: 1, unscrewing tightening knob 32, sliding orthodrome scribing line block 3, slip tuning drive gear 34 needs
At the roundlet scale strip for drawing arc radius size；2, rotation scribing line nib 43 makes its pen core stretch out marking groove 15, presses by cap
23 are stretched out flexible shank 24 by flexible lockable mechanism, by flexible shank 24 by the circular arc the center point drawn in needs；3, one
Hand pins center of circle shaft 2, in addition holds guide rail ruler body 1 on the other hand and carries out picture circle；4, it after circular arc paints, presses pass through by cap 23 again
Flexible lockable mechanism retracts flexible shank 24, and rotation scribing line nib 43 makes its pen core retract marking groove 15；
E, circular arc drawn to scale: 1,5 times of ratio enlargement draftings: then sliding small arc-shaped scribing line block 4 measures arc size
It is drawn using orthodrome scribing line block 3；2,5 times of scale smaller draftings: sliding orthodrome scribing line block 3 or measurement arc size are right
It is drawn afterwards using small arc-shaped scribing line block 4.
Claims (10)
1. a kind of Multifunctional compasses ruler characterized by comprising guide rail ruler body (1), center of circle shaft (2), orthodrome scribing line block
(3), small arc-shaped scribing line block (4), big circular rack (5) and small circular rack (6)；
It is provided on the inside of the guide rail ruler body (1), disc slots (11) and sliding rail (12), the center of circle shaft (2) passes through the circle
Dish groove (11) and the guide rail ruler body (1) are rotatablely connected, and guide rail ruler body (1) upper surface is provided with two row scale strips (13),
Respectively great circle scale strip and roundlet scale strip, guide rail ruler body (1) top are provided with slide block slot (14), the guide rail ruler body
(1) bottom is provided with marking groove (15)；Orthodrome scribing line block (3) and small arc-shaped scribing line block (4) are separately positioned on the circle
The two sides of heart shaft (2), the big circular rack (5) are oppositely arranged with the small circular rack (6), and pass through the sliding rail (12)
Sliding is fixed in the guide rail ruler body (1), and scale strip (13) setting is in orthodrome scribing line block (3) side；
Orthodrome scribing line block (3) includes big sliding block (31), tightening knob (32) and paintbrush adjustment block (33), the paintbrush
It is provided in adjustment block (33) paintbrush jack (34), paintbrush jack (34) side is provided with paintbrush positioning knob (341), institute
It states and is provided with positioning screw rod (332) and positioning knob (331) between paintbrush adjustment block (33) and the big sliding block (31)；
Small arc-shaped scribing line block (4) includes small slide block (41), positioning cross bar (42), cross written (43) and adjusting nut
(44), the scribing line written (43) is hinged at the top of the positioning cross bar (42), and the scribing line written (43) and the positioning are horizontal
Protrusion used for positioning and recess are provided between at the top of bar (42).
2. a kind of Multifunctional compasses ruler according to claim 1, which is characterized in that the center of circle shaft (2) includes button
Disk (21) and axis body (22), the axis body (22) are arranged with double-layer gear (23) outside, and the double-layer gear (23) includes two same
Push button pad (21) top of the fixed gear wheel (231) of the heart and pinion gear (232), the center of circle shaft (2) is provided with by cap
(23), it is provided with flexible shank (24) in the axis body (22) and is stretched out and retraction for controlling the flexible shank (24)
Flexible lockable mechanism.
3. a kind of Multifunctional compasses ruler according to claim 2, which is characterized in that orthodrome scribing line block (3) passes through
Big circular rack (5) is connected with the center of circle shaft (2), and described big circular rack (5) one end and orthodrome scribing line block (3) are fixed
Connection, the other end are meshed with the gear wheel (231) on the center of circle shaft (2)；Small arc-shaped scribing line block (4) passes through roundlet
Rack gear (6) is connected with the center of circle shaft (2), described small circular rack (6) one end and the fixed company of small arc-shaped scribing line block (4)
It connects, the other end is meshed with the pinion gear (232) on the center of circle shaft (2).
4. a kind of Multifunctional compasses ruler according to claim 3, which is characterized in that the guide rail ruler body (1) is located at described
Small arc-shaped scribing line block (4) side is provided with calibration position line (16), is provided with position line (411) at the top of the small slide block (41).
5. a kind of Multifunctional compasses ruler according to claim 3, which is characterized in that the setting of the guide rail ruler body (1) side
There is big circular rack through-hole (17).
6. a kind of Multifunctional compasses ruler according to claim 3, which is characterized in that the flexible shank (24), the picture
Penholder hole (34) center of circle and the center of circle for crossing written (43) three are collinearly arranged, the adjusting side of positioning cross bar (42)
To and paintbrush positioning knob (341) to screw direction parallel with above-mentioned three's line.
7. a kind of Multifunctional compasses ruler according to claim 3, which is characterized in that the gear wheel (231) and pinion gear
(232) the ratio between nominal diameter is 1:2,1:4,1:5 or 1:10, the scale density of the roundlet scale strip and great circle scale strip it
It is more identical than with the ratio between above-mentioned nominal diameter.
8. a kind of Multifunctional compasses ruler according to claim 3, which is characterized in that the center of circle shaft (2) is using transparent
Material is made.
9. a kind of Multifunctional compasses ruler according to claim 3, which is characterized in that be provided with quarter on the big sliding block (31)
It spends pointer (35).
10. a kind of drawing practice of Multifunctional compasses ruler, which is characterized in that drawn, wrapped using above-mentioned Multifunctional compasses ruler
Include following method for drafting:
A, the position correction before orthodrome is drawn: 1, unscrewing tightening knob (32), uses picture after paintbrush is inserted into paintbrush jack (34)
The locking of positioning knob (341), sliding orthodrome scribing line block (3), tuning drive gear (34) is slipped, and it is big to need to draw arc radius
At small great circle scale strip；2, tightening knob (32) are tightened, are pressed flexible shank by cap (23) through flexible lockable mechanism
(24) it stretches out, by flexible shank (24) by the circular arc the center point drawn in needs；3, center of circle shaft (2) are pinned on the other hand, in addition one
Hand holds paintbrush and carries out picture circle；4, after painting, arc diameter is measured, arc radius is calculated, with scale radius ratio pair；If 5, than
Result is deviated, then rotates the position that paintbrush adjustment block (33) are finely tuned in positioning knob (331) by positioning screw rod (332),
And circle measurement radius is drawn again, until arc diameter is accurate；
B, orthodrome is drawn: 1, being unscrewed tightening knob (32), sliding orthodrome scribing line block (3), tuning drive gear (34), which is slipped, to be needed
It draws at the great circle scale strip of arc radius size；2, tightening knob (32) are tightened, presses and passes through the locking that stretches by cap (23)
Flexible shank (24) are stretched out by mechanism, by flexible shank (24) by the circular arc the center point drawn in needs；3, the center of circle is pinned on the other hand
Shaft (2) in addition holds paintbrush on the other hand and carries out picture circle；4, it after circular arc paints, presses pass through the locking machine that stretches by cap (23) again
Structure retracts flexible shank (24), unscrews paintbrush positioning knob (341) and removes paintbrush；
C, the position correction before small arc-shaped is drawn: 1, unscrew tightening knob (32), sliding orthodrome scribing line block (3), in orthodrome
While scribing line block (3) sliding, due to the effect of double-layer gear (23) and big circular rack (5) and small circular rack (6), small arc-shaped
Scribing line block (4) carries out reversed sliding simultaneously, the calibration of the position line (411) at the top of small slide block (41) and guide rail ruler body (1)
When position line (16) is aligned, stop sliding orthodrome scribing line block (3), and tightening knob (32) is tightened；2, rotation scribing line nib
(43) so that its pen core is stretched out marking groove (15), press and stretched out flexible shank (24) by flexible lockable mechanism by cap (23), it will
Flexible shank (24) are by the circular arc the center point drawn in needs；3, center of circle shaft (2) are pinned on the other hand, in addition hold guide rail ruler on the other hand
Body (1) carries out picture circle；4, after painting, arc diameter is measured, arc radius is calculated, compared with calibration position line (16) scale
It is right；If 5, comparison result is deviated, the position of adjusting nut (44) fine tuning positioning cross bar (42) is rotated, and draws circle again and surveys
Radius is measured, until arc diameter is accurate；
D, small arc-shaped is drawn: 1, being unscrewed tightening knob (32), sliding orthodrome scribing line block (3), tuning drive gear (34), which slips, to be needed
It draws at the roundlet scale strip of arc radius size；2, rotation scribing line written (43) makes its pen core stretch out marking groove (15), presses
Flexible shank (24) are stretched out by flexible lockable mechanism by cap (23) down, by flexible shank (24) by the circular arc drawn in needs
The center point；3, center of circle shaft (2) are pinned on the other hand, are in addition held guide rail ruler body (1) on the other hand and are carried out picture circle；4, after circular arc paints, then
Secondary press is retracted flexible shank (24) by flexible lockable mechanism by cap (23), and rotation scribing line written (43) retracts its pen core
Marking groove (15)；
E, circular arc drawn to scale: 1, ratio enlargement is drawn: then sliding small arc-shaped scribing line block (4) measures arc size using big
Circular arc scribing line block (3) is drawn；2, scale smaller is drawn: sliding orthodrome scribing line block (3) measures arc size and then makes
It is drawn with small arc-shaped scribing line block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910329374.0A CN109895546A (en) | 2019-04-23 | 2019-04-23 | A kind of Multifunctional compasses ruler and its drawing practice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910329374.0A CN109895546A (en) | 2019-04-23 | 2019-04-23 | A kind of Multifunctional compasses ruler and its drawing practice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109895546A true CN109895546A (en) | 2019-06-18 |
Family
ID=66956315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910329374.0A Withdrawn CN109895546A (en) | 2019-04-23 | 2019-04-23 | A kind of Multifunctional compasses ruler and its drawing practice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109895546A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370844A (en) * | 2019-08-17 | 2019-10-25 | 李爱弟 | Simple compasses ruler |
| CN114228373A (en) * | 2021-12-23 | 2022-03-25 | 陈燕 | Auxiliary circle drawing device and method with adaptively protruded chalk heads for teaching |
-
2019
- 2019-04-23 CN CN201910329374.0A patent/CN109895546A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370844A (en) * | 2019-08-17 | 2019-10-25 | 李爱弟 | Simple compasses ruler |
| CN114228373A (en) * | 2021-12-23 | 2022-03-25 | 陈燕 | Auxiliary circle drawing device and method with adaptively protruded chalk heads for teaching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109895546A (en) | A kind of Multifunctional compasses ruler and its drawing practice | |
| CN201442454U (en) | Teaching ruler with magnetic needle | |
| CN110001245A (en) | A kind of safety compasses ruler and its drawing practice | |
| CN209063770U (en) | A kind of compasses | |
| CN204095362U (en) | Combined compasses | |
| CN208544016U (en) | A kind of Mathematical picture teaching ruler | |
| CN204915020U (en) | Detachable scale type compasses | |
| CN215284140U (en) | Be used for supplementary plotter of electrical design | |
| CN206493769U (en) | A kind of Machine Design specific purpose tool chi | |
| CN203832089U (en) | Multifunctional horizontal compasses | |
| CN204354669U (en) | Multifunctional compasses | |
| CN210309684U (en) | Safety compasses ruler | |
| CN210363093U (en) | Multifunctional drawing pen | |
| CN108656799B (en) | Multifunctional ruler | |
| CN104149521B (en) | A kind of Multifunction plotter | |
| CN208664724U (en) | A kind of Multifunctional straightedge | |
| CN111746182A (en) | Mathematics compasses chi of teaching usefulness | |
| CN203511081U (en) | Compass ruler | |
| CN220281005U (en) | Design rule for graphic design | |
| CN221757253U (en) | Multifunctional pencil compasses | |
| CN221417805U (en) | Adjustable angle ruler for teaching | |
| CN221292737U (en) | Multifunctional graduated scale | |
| CN103568663B (en) | Combined drawing tool | |
| CN203752750U (en) | Multifunctional gauge | |
| CN210881462U (en) | Ruler and compasses combined stationery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190618 |
|
| WW01 | Invention patent application withdrawn after publication |