CN104842707A - Contour drawing mirror image positioning amplifier - Google Patents
Contour drawing mirror image positioning amplifier Download PDFInfo
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- CN104842707A CN104842707A CN201510311775.5A CN201510311775A CN104842707A CN 104842707 A CN104842707 A CN 104842707A CN 201510311775 A CN201510311775 A CN 201510311775A CN 104842707 A CN104842707 A CN 104842707A
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Abstract
The invention discloses a contour drawing mirror image positioning amplifier, which is characterized in that a mirror image reflector capable of moving parallel to a drawing board is arranged in front of the drawing board, and an isosceles triangle amplifying ruler and a sight distance rod are arranged in front of the mirror image reflector; the isosceles triangle amplifying ruler is installed on a horizontal sliding rod below the drawing board through a vertical connecting rod, and the horizontal sliding rod is externally provided with the sight distance rod. The contour drawing mirror image positioning amplifier adopts the mirror image reflector and the isosceles triangle amplifying ruler to carry out measurement and amplification on a mirror image directly, so that a drawing person is enabled to draw the shape contour of a scene or a building accurately according to a self determined proportion, and an error in the shape contour brought about by visual perception and estimation is avoided. Meanwhile, the time spent on contour drawing is further saved because of direct measurement and amplification without modification, thereby being capable of playing a good role for realistic drawing persons. The contour drawing mirror image positioning amplifier disclosed by the invention is scientific and reasonable in design, convenient and accurate in use, and applicable to contour positioning and amplifying for sketching, pencil sketching, color sketching of urban architecture scenery.
Description
Technical field
The invention belongs to draw tool, particularly relate to a kind of profile and draw mirror image positioning amplifier.
Background technology
Literary sketch, sketch, color sketch are divided into two steps usually: first, and drawn body profile (length of large body and local body) accurately draws with pencil lines by the person of drawing a picture on drawing paper; Then, the basis of exact outline applies light and shade with black, white, grey tune, to show body stereo space sense, light sensation, texture etc. and then to complete paintings, also has the form of expression of simple line or wire-board junction.
Urban architecture is the drawing theme of urban architecture landscape fan, although building is complicated, is mostly to be combined by basic cube and spherosome to form (especially based on cube).Therefore, its outline line is mostly vertical line, horizontal line, parallax and circular arc line.However, due to the process of painting from life be the sensation of vision, observation and subjective estimation, instead of directly to the body profile of scenery (building) vision imaging (large and focal length, width, highly, angle of inclination) accurate measure amplifying (angle can not be amplified), especially to the building that textural association is more complicated, often there is necessarily error even largely in the body profile drawn and reality, namely usually said shape is forbidden.This kind of error can involve relative elements, line segment to chain reaction, as made an amendment, the reasonable time in of need, sometimes has to again paint.
Visible, be difficult to the body profile of expressive object (length and structure, ratio, perspective) accurately to draw according to the determined ratio of the person of drawing a picture in daily drawing (literary sketch, sketch, color sketch).
Summary of the invention
The technical problem to be solved in the present invention is to provide reasonable, the easy to use profile accurately of a kind of design science and draws mirror image positioning amplifier, is applicable to the literary sketch of urban architecture landscape, sketch, the locations of contours of color sketch and amplification.
For solving the problems of the technologies described above, the present invention is by the following technical solutions: profile draws mirror image positioning amplifier, comprise drawing board and support the tripod of drawing board, arranging before drawing board can the mirror reflection mirror of parallel drawing board movement, arranges isosceles triangle pantograph and sighting distance bar before mirror reflection mirror; Isosceles triangle pantograph is arranged in the horizontal slide rod under drawing board by vertical connecting rod, and horizontal slide rod installs sighting distance bar outward.
Horizontal raised line is established at the drawing board back side and cover is inserted in along in corresponding lateral insert on drawing board Simple framework, turns round under framework along establishing to turn; Drawing board behind framework connecting band turns turns round two parallel support bars, and two support bar lower ends are inserted in the bore of two angle rotatables set on the connecting plate of tripod rear foot upper end and are provided with hold-down screw.
Each feet of tripod is inserted by 3 cylinder footmuffs and is connected to form, and eccentric fixing card is established in junction.
Mirror reflection mirror is fixed on two parallel bars, and two parallel bar upper end left-hand threads are in drawing board upper edge.
Mirror reflection mirror is embedded in the template of concavity, and the picture frame on four limits is concordant with minute surface.
Isosceles triangle pantograph forms primarily of two waist bar ab and ac, two base bar bc and ef and auxiliary scale bar ag, is dead slot in the middle of each bar; Two waist bar ab and ac and base bar bc form large isosceles triangle, and bar ef parallel bc in base also forms little isosceles triangle with tie point a, two base bar bc and ef are carved with centimeter scale unit respectively as pantograph and exaggerated chi; Auxiliary scale bar ag connects base mid point d and g of two isosceles triangles by intersection point a; All tie points are fixed by screws in dead slot.
Vertical small end is fixed by screws in the dead slot of auxiliary scale bar ag, the auxiliary fixed bar in left and right is established in vertical connecting rod both sides, two auxiliary fixed bar one end are arranged on vertical connecting rod by retainer ring, retainer ring can move up and down along vertical connecting rod and be provided with hold-down screw, and the two auxiliary fixed bar other ends are connected with tie point respectively.
Connect narrow flat board along turning to turn round under framework, two ends, narrow dull and stereotyped left and right respectively have before one prominent dull and stereotyped, and left and right through hole established by front prominent flat board, and sighting distance bar one end is turned round socket be arranged in the through hole of left and right by being turned.
The sighting distance bar other end turns turns round connection T-shaped bar, and T-shaped bar longitudinal part establishes hoodwink baffle plate.
In the chute of horizontal slide rod two ends before being arranged on left and right respectively on prominent flat board, vertical connecting rod is arranged in horizontal slide rod by connecting rod socket; Connecting rod socket comprises cylinder one, cylinder two, cylinder sliding sleeve and square tube; Square tube both sides connect cylinder sliding sleeve, and cylinder sliding sleeve is enclosed within horizontal slide rod; Vertical connecting rod is inserted in the square hole in cylinder one, cylinder one upper end is provided with bias and fixedly fastens vertical connecting rod, cylinder one top and the bottom are provided with Spring Card, the middle part of cylinder one through bearing holder (housing, cover) in cylinder two, bearing is located in cylinder two, cylinder two circumference connects the short handle having dead slot in the middle of outward, and short handle is inserted in the square hole of square tube, and the hold-down screw in square tube is through the dead slot of short handle.
For the problem being difficult to the body profile of expressive object accurately to draw in current daily drawing, the principle proportional according to similar triangles corresponding sides, inventor has designed and produced a kind of profile and has drawn mirror image positioning amplifier, comprise the tripod of drawing board and support drawing board, arranging before drawing board can the mirror reflection mirror of parallel drawing board movement, arranges isosceles triangle pantograph and sighting distance bar before mirror reflection mirror; Isosceles triangle pantograph is arranged in the horizontal slide rod under drawing board by vertical connecting rod, and horizontal slide rod installs sighting distance bar outward.The present invention is owing to have employed mirror reflection mirror and isosceles triangle pantograph is directly measured mirror image and amplifies, thus make the person of drawing a picture more accurately draw the body profile (at least on large body profile) of scenery (building) in oneself determined ratio, avoid the error (shape is forbidden) of the body profile brought owing to only relying on visual sense feeling and estimation.Meanwhile, more save the outline time owing to directly measuring amplification without the need to amendment, good effect can be played for realistic painting person.It is reasonable, accurately easy to use that profile of the present invention draws mirror image positioning amplifier design science, is applicable to the literary sketch of urban architecture landscape, sketch, the locations of contours of color sketch and amplification.
Accompanying drawing explanation
Fig. 1 is the structural representation that profile of the present invention draws mirror image positioning amplifier.
Fig. 2 is the structural representation that profile of the present invention draws isosceles triangle pantograph in mirror image positioning amplifier.
In figure: 1 mirror reflection mirror, 2 chutes, 3 location marks, 4 isosceles triangle pantographs, 5 are exaggerated chi, 6 pantographs, 7 auxiliary scale bar ag, 8 auxiliary fixed bars, 9 vertical connecting rods, 10 connecting rod sockets, 11 cylinder one, 12 cylinders two, 13 eccentric fixing cards, 14 Spring Cards, 15 square tubes, 16 short handles, 17 horizontal slide rod, 18 sighting distance bars turn turns round socket, 19 sighting distance bars, 20T shape bar, 21 hoodwink baffle plates, 22 drawing boards, 23 drawing boards turn to be turned round, 24 tripods; A, b, c, d, e, f, g represent each tie point.
Detailed description of the invention
Profile draws the primary structure of mirror image positioning amplifier
As illustrated in fig. 1 and 2, profile of the present invention draws the tripod that mirror image positioning amplifier comprises rectangle drawing board and supports drawing board, and arranging before drawing board can the mirror reflection mirror of parallel drawing board movement, and mirror reflection mirror can reflect scenery or structure image; Arrange isosceles triangle pantograph and sighting distance bar before mirror reflection mirror, sighting distance bar is used for determining the person's of drawing a picture viewpoint, distance; Isosceles triangle pantograph is arranged in the horizontal slide rod under drawing board by vertical connecting rod, and horizontal slide rod installs sighting distance bar outward.
Horizontal raised line is established at the drawing board back side and cover is inserted in along in corresponding lateral insert on drawing board Simple framework, turns round under framework along establishing to turn, thus drawing board can rotate turn round before and after rotate; Drawing board framework connection behind two band turns turns round parallel support bars, and two support bar lower ends are inserted in the bore of two angle rotatables set on the connecting plate of tripod rear foot upper end and are provided with hold-down screw.Each feet of tripod is inserted by 3 cylinder footmuffs and is connected to form, and eccentric fixing card is established in junction, thus can resonance-amplifier height as required.
Mirror reflection mirror is fixed on two parallel bars, two parallel bar upper end left-hand threads are in drawing board upper edge, therefore mirror reflection mirror can move left and right, also can move up and down along two parallel bars, select mirror-reflection viewpoint to facilitate, and be provided with hold-down screw and location mark (along being provided with a straight line dead slot on drawing board).Mirror reflection mirror is embedded in the template of concavity, and the picture frame on four limits is concordant with minute surface can not exceed minute surface, can smooth minute surface during to ensure that isosceles triangle pantograph is measured.
Isosceles triangle pantograph forms primarily of two waist bar ab and ac, two base bar bc and ef and auxiliary scale bar ag, is dead slot in the middle of each bar; Two waist bar ab and ac and base bar bc form large isosceles triangle △ abc, bar ef parallel bc in base also forms little isosceles triangle △ aef with tie point a, two triangle is similar triangles, therefore corresponding sides are proportional, two base bar bc and ef are carved with centimeter scale unit respectively as pantograph and exaggerated chi; Auxiliary scale bar ag connects base mid point d and g of two isosceles triangles by intersection point a; All tie points are fixed in dead slot by slack adjuster.Two waist bar ab and ac can rotate around tie point a, ∠ bac is made to support large or reduce, thus determine length and the proportionate relationship of two base bar ef and bc, and for measuring and amplify the profile line segment of building, two base bar ef and bc then move adjustment according to the multiple amplified, once establishment ratio relation, the hold-down screw on connected auxiliary scale bar ag can be tightened.
Vertical small end is fixed by screws in the dead slot of auxiliary scale bar ag, and vertical connecting rod, by this dead slot alternative point of contact---the position of centre of gravity of isosceles triangle pantograph, makes pantograph rotate more laborsaving, the auxiliary fixed bar in left and right is established in vertical connecting rod both sides, two auxiliary fixed bar one end are arranged on vertical connecting rod by retainer ring, retainer ring can move up and down along vertical connecting rod and be provided with hold-down screw, the two auxiliary fixed bar other ends are connected with tie point respectively, a can be connected to, g, b, c, e, f each point, concrete method of attachment is: in the hold-down screw of tie point, set up a pad, establish one to be highly slightly less than auxiliary fixed bar diameter grooves on pad circular hole side and connect auxiliary fixed bar, by tightening nuts, pad groove pushed down and fix auxiliary fixed bar, because pad is rotatable, auxiliary fixed bar can convert in tie point position according to isosceles triangle pantograph rotational angle.
Connect narrow flat board along turning to turn round under framework, two ends, narrow dull and stereotyped left and right respectively have before one prominent dull and stereotyped, and left and right through hole established by front prominent flat board, and sighting distance bar one end is turned round socket be arranged in the through hole of left and right by being turned.Sighting distance bar turns to be turned round socket and comprises two turns and turn round, and turns round for one turn and can make left rotation and right rotation, two turns turn round be connected to one turn turn round can do before and after rotate and be provided with hold-down screw, turn round socket sighting distance bar and can do left and right, the rotation of front and back and front and back by turning and extend shortening.The sighting distance bar other end turns turns round connection T-shaped bar, and it is the person's of drawing a picture forehead touch position, with the distance of the person's eyes that are shown as picture to minute surface; T-shaped bar longitudinal part establishes hoodwink baffle plate, connects to turn turn round and be provided with hold-down screw under hoodwink baffle plate.
In the chute of horizontal slide rod two ends before being arranged on left and right respectively on prominent flat board, therefore isoceles triangle pantograph can be movable in chute track with horizontal slide rod; Vertical connecting rod is arranged in horizontal slide rod by connecting rod socket; Connecting rod socket comprises cylinder one, cylinder two, cylinder sliding sleeve and square tube; Square tube both sides connect cylinder sliding sleeve, and cylinder sliding sleeve is enclosed within horizontal slide rod; Vertical connecting rod is inserted in the square hole in cylinder one, and cylinder one upper end is provided with bias and fixedly fastens vertical connecting rod, and cylinder one top and the bottom are provided with Spring Card, and its pressure acts on vertical connecting rod.Vertical connecting rod can be made to fix by the degree of tightness of nut regulating spring card or be easy to mobile; The middle part of cylinder one is through bearing holder (housing, cover) in cylinder two, and bearing is located in cylinder two, and therefore isosceles triangle pantograph does 360 degree of rotations by cylinder one around cylinder two internal diameter; Cylinder two circumference connects the short handle having dead slot in the middle of outward, and short handle is inserted in the square hole of square tube, and the hold-down screw in square tube, through the dead slot of short handle, regulates the degree of tightness of hold-down screw that short handle also can be made to do the movable of certain distance.Aforesaid these regulate and arrange, object can be flattened on minute surface when being and making isosceles triangle pantograph its angle of inclination can be regulated to make it measure according to the angle of inclination of mirror reflection mirror, and isosceles triangle pantograph turn to after can be lain in (minute surface and drawing board be not at same plane) on drawing board, effect more accurately can be reached when making to measure amplification.
General principle
The principle design pantograph that the present invention uses similar triangles corresponding sides proportional is as measuring tool, the person of drawing a picture is at the sighting distance determined distance of (person's of drawing a picture eyes are to the distance in face, border) bar and viewpoint position (viewpoint refers to the person's of drawing a picture eyes relative to the locus residing for minute surface), by seeing the structure image that reflects depending on face, mirror reflection mirror border before being connected to drawing board and (can left and right by the isosceles triangle pantograph being connected to vertical small end, move up and down and 360 degree of rotations) face, smooth border, with the shorter base of two similar triangle amplification chis for measuring (chi), to the length of the body profile of building in mirror image, width, height and angle of inclination are measured respectively, and the result measured is fixed by hold-down screw and auxiliary fixed bar, again by its corresponding long base (chi) of amplifying, move along the horizontal slide rod set by drawing board forward position after rotating vertical straight connecting rod 180 degree, and turned to drawing board drawing paper patterning positions (also can again in conjunction with auxiliary ruler), profile line segment will be measured with pencil along chi limit to draw, by that analogy.Due to from the back side setting-out turning to rear chi, thus drawn building reduces the normal visual effect of people (mirror image is normal vision image " instead scheming ").
Why use mirror reflection mirror mirror-reflection building, measure amplification by the smooth minute surface of similar triangles pantograph again and do not allow its direct measuring facing to building outdoor scene amplify again, because when outline of straight line isosceles triangle pantograph being faced toward building is measured, the own activity of the automatic swing of gauger's head and eyes is easy to cause sight line unstable, Binocular vison thing has dual, the phenomenon of fuzzy image, in addition, see the actual distance sense looking outdoor scene, the chi straight line of pantograph and the outline of straight line of building is made to be difficult to determine to overlap, especially scene outline far away, mirror reflection effect is then different, building outdoor scene reflexes in mirror by it, the plane relation of building and speculum can be determined, the viewpoint determined, the smooth minute surface in chi face of sighting distance similar triangles pantograph measures contour of building in mirror, thus its chi limit and contour of building can be clear, stable, overlap accurately.
Using method
When <1> paints from life usually, easel, the person of drawing a picture be all " towards " drawn building.And after using the present invention to select drawn building, the person of drawing a picture and the drawn building of easel " dorsad ", and according to practical adjustments easel height, minute surface at the angle of inclination (minute surface angle of inclination) of the location of the position of drawing board and minute surface mark, drawing board, allow structure image reflex in mirror and tighten the hold-down screw of fixation reflex cell mount.
<2> needs to regulate the proportionate relationship that isosceles triangle pantograph is exaggerated the relation on (short chi) and amplification (long chi) two chi limit according to composition, simultaneously according to the angle of inclination of minute surface, before and after doing horizontal slide rod, (track, short handle) is mobile regulates, and makes isosceles triangle amplify the smooth minute surface of related scale and tighten its hold-down screw.
Sighting distance bar upper end T-shaped bar (left side or the right) is against the forehead of the person of drawing a picture by <3>, to represent viewpoint and sighting distance position, amplify process in should keep viewpoint and sighting distance relatively stable and fixing, and block another eye (left eye or right eye eyeball) with hoodwink baffle plate, the person of drawing a picture with building mirror image in simple eye eyeball viewing-mirror, to reach better effect.
The viewpoint sighting distance position that <4> is determining, profile (the large height of building in mirror is measured with isosceles triangle pantograph short chi limit (support large by angle ∠ eaf or reduce), width, length), for keeping measurements by the hold-down screw on triangle amplification chi and auxiliary fixed bar after measuring, eccentric fixing card is tightened, again by isosceles triangle pantograph together with vertical link rotatable 180 degree (allow during rotation vertical connecting rod backward (person of drawing a picture) incline, isosceles triangle pantograph is allowed to avoid drawing board) and it is slided (its position is just in time contrary with mirror position) along horizontal slide rod, unscrew eccentric fixing card simultaneously, pantograph can be done or under move to drawing board drawing paper patterning positions (during as placed on drawing board drawing paper by triangle amplification chi, its chi face can not smooth drawing board, can again by unscrew short handle hold-down screw in slotting square tube, allow short handle in square tube, do elastic adjustment thus reach the smooth drawing board of triangle amplification chi---triangle amplification related scale is parallel with drawing board, tighten hold-down screw again) determine position after tighten eccentric fixing card again, draw along chi limit again and determinedly measure line segment, by that analogy.Find the intersection point between line segment during outline line as far as possible, intersection point can represent the start position of another line segment drawn, thus another line segment of picture from intersection point, as can not find the intersection point of line segment, except directly measuring the start position also finding drawn line segment by increasing boost line; As drawn the identical several windows of sustained height size on building, when drawn one represent that these windows are in the lines of same straight line height after, under this straight line, determining that building a bit, measure the angle of inclination from this point to the starting point of each window breadth line segment from this point, found the start position of the line segment of window breadth by angle of bank measurement, thus draw the position of each window.And by the track that short straight line or arc are put, (circular arc line two-end-point and peak) is determined for circular arc line that is circular, circle, then connected by hand-drawing line.
<5> is at sighting distance bar determined position viewing-mirror picture, limitation due to minute surface size needs the scenery of performance often to exceed outside mirror, for exceeding minute surface but the scenery part of needs performance, by changing viewpoint position---sight line is raised or reduces thus see scenery part outside super mirror and then measure; Also by changing sighting distance, as allowed eyes (viewpoint) closer to minute surface, thus allow eyes see larger field of view, then regulate the short chi of pantograph and the proportionate relationship of long chi and then measure amplification.Mirror, when position, speculum behind, can be removed, be resetted after finishing according to location mark again by drawn scenery.
Amplifier, after drawn building outline line paints, turns to by <6>, and the person of drawing a picture is become by " dorsad " and usually towards building institute's outline made to necessary adjustment, applies light and shade, completes paintings.
In addition, the present invention's design can make isosceles triangle pantograph rotating 360 degrees, so that measure the angle of inclination of building.Placed on drawing board when triangle amplification chi revolves turnback by cylinder one after smooth minute surface is measured, the chi face in former front turns to drawing board (drawing paper), now towards drawing board (drawing paper) is triangle amplification chi and the vertical hold-down screw that connects of connecting rod, and pantograph has now had a distance with drawing board.For make triangle amplification to revolve after turnback chi face can with drawing board keeping parallelism, the rear end (right dead slot one end) of the two ends of similar isosceles triangle pantograph base bar bc and auxiliary scale bar ag can be increased by a height, make the height of 3 be peak and highly roughly the same; Or add the auxiliary scale of a smooth drawing board again, the chi limit of auxiliary scale is close to the hold-doun nut connecting pantograph bc and two waists, then along the setting-out of auxiliary scale limit, width=(pantograph bc width ﹣ head diameter) ÷ 2 of auxiliary scale).In addition, similar triangles pantograph can design multiple, and as large, medium and small specification, large chi can be used for the large contour of building lines of picture, and medium and small chi can be used for the medium and small profile of picture, so uses more convenient.
Claims (10)
1. profile draws a mirror image positioning amplifier, comprises drawing board and supports the tripod of drawing board, it is characterized in that: arranging before described drawing board can the mirror reflection mirror of parallel drawing board movement, arranges isosceles triangle pantograph and sighting distance bar before mirror reflection mirror; Described isosceles triangle pantograph is arranged in the horizontal slide rod under drawing board by vertical connecting rod, and horizontal slide rod installs sighting distance bar outward.
2. profile according to claim 1 draws mirror image positioning amplifier, it is characterized in that: horizontal raised line is established at the described drawing board back side and cover is inserted in along in corresponding lateral insert on drawing board Simple framework, turns round under framework along establishing to turn; Described drawing board behind framework connecting band turns turns round two parallel support bars, and two support bar lower ends are inserted in the bore of two angle rotatables set on the connecting plate of tripod rear foot upper end and are provided with hold-down screw.
3. profile according to claim 1 draws mirror image positioning amplifier, it is characterized in that: each feet of described tripod is inserted by 3 cylinder footmuffs and connected to form, and eccentric fixing card is established in junction.
4. profile according to claim 1 draws mirror image positioning amplifier, and it is characterized in that: described mirror reflection mirror is fixed on two parallel bars, two parallel bar upper end left-hand threads are in drawing board upper edge.
5. profile according to claim 1 draws mirror image positioning amplifier, it is characterized in that: described mirror reflection mirror is embedded in the template of concavity, and the picture frame on four limits is concordant with minute surface.
6. profile according to claim 1 draws mirror image positioning amplifier, it is characterized in that: described isosceles triangle pantograph forms primarily of two waist bar ab and ac, two base bar bc and ef and auxiliary scale bar ag, is dead slot in the middle of each bar; Two waist bar ab and ac and base bar bc form large isosceles triangle, and bar ef parallel bc in base also forms little isosceles triangle with tie point a, two base bar bc and ef are carved with centimeter scale unit respectively as pantograph and exaggerated chi; Auxiliary scale bar ag connects base mid point d and g of two isosceles triangles by intersection point a; All tie points are fixed by screws in dead slot.
7. profile according to claim 6 draws mirror image positioning amplifier, it is characterized in that: described vertical small end is fixed by screws in the dead slot of auxiliary scale bar ag, the auxiliary fixed bar in left and right is established in vertical connecting rod both sides, two auxiliary fixed bar one end are arranged on vertical connecting rod by retainer ring, retainer ring can move up and down along vertical connecting rod and be provided with hold-down screw, and the two auxiliary fixed bar other ends are connected with tie point respectively.
8. profile according to claim 2 draws mirror image positioning amplifier, it is characterized in that: under described framework, connect narrow flat board along turning to turn round, two ends, narrow dull and stereotyped left and right respectively have before one prominent dull and stereotyped, and left and right through hole established by front prominent flat board, and sighting distance bar one end is turned round socket be arranged in the through hole of left and right by being turned.
9. profile according to claim 8 draws mirror image positioning amplifier, it is characterized in that: the described sighting distance bar other end turns turns round connection T-shaped bar, and T-shaped bar longitudinal part establishes hoodwink baffle plate.
10. profile according to claim 8 draws mirror image positioning amplifier, it is characterized in that: in the chute of described horizontal slide rod two ends before being arranged on left and right respectively on prominent flat board, vertical connecting rod is arranged in horizontal slide rod by connecting rod socket; Connecting rod socket comprises cylinder one, cylinder two, cylinder sliding sleeve and square tube; Square tube both sides connect cylinder sliding sleeve, and cylinder sliding sleeve is enclosed within horizontal slide rod; Vertical connecting rod is inserted in the square hole in cylinder one, cylinder one upper end is provided with bias and fixedly fastens vertical connecting rod, cylinder one top and the bottom are provided with Spring Card, the middle part of cylinder one through bearing holder (housing, cover) in cylinder two, bearing is located in cylinder two, cylinder two circumference connects the short handle having dead slot in the middle of outward, and short handle is inserted in the square hole of square tube, and the hold-down screw in square tube is through the dead slot of short handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311775.5A CN104842707B (en) | 2015-06-09 | 2015-06-09 | Profile draws mirror image positioning amplifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311775.5A CN104842707B (en) | 2015-06-09 | 2015-06-09 | Profile draws mirror image positioning amplifier |
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| Publication Number | Publication Date |
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| CN104842707A true CN104842707A (en) | 2015-08-19 |
| CN104842707B CN104842707B (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510311775.5A Active CN104842707B (en) | 2015-06-09 | 2015-06-09 | Profile draws mirror image positioning amplifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818607A (en) * | 2016-05-25 | 2016-08-03 | 李向前 | Point-radiation mirror-image positioning amplifier for contour drawing |
| CN112721531A (en) * | 2020-12-23 | 2021-04-30 | 咸阳师范学院 | Outdoor chinese painting device of painting from life of high efficiency |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202965788U (en) * | 2012-11-15 | 2013-06-05 | 温洪伟 | Multifunctional painting imitating frame |
| CN203078201U (en) * | 2012-12-14 | 2013-07-24 | 王一鸣 | Drawing board with magnifying lens |
| CN204736645U (en) * | 2015-06-09 | 2015-11-04 | 李向前 | Mirror image location amplifier is drawn to profile |
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2015
- 2015-06-09 CN CN201510311775.5A patent/CN104842707B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202965788U (en) * | 2012-11-15 | 2013-06-05 | 温洪伟 | Multifunctional painting imitating frame |
| CN203078201U (en) * | 2012-12-14 | 2013-07-24 | 王一鸣 | Drawing board with magnifying lens |
| CN204736645U (en) * | 2015-06-09 | 2015-11-04 | 李向前 | Mirror image location amplifier is drawn to profile |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818607A (en) * | 2016-05-25 | 2016-08-03 | 李向前 | Point-radiation mirror-image positioning amplifier for contour drawing |
| CN105818607B (en) * | 2016-05-25 | 2018-06-22 | 李向前 | Point radiation profile draws mirror image positioning amplifier |
| CN112721531A (en) * | 2020-12-23 | 2021-04-30 | 咸阳师范学院 | Outdoor chinese painting device of painting from life of high efficiency |
| CN112721531B (en) * | 2020-12-23 | 2022-04-22 | 咸阳师范学院 | Outdoor chinese painting device of painting from life of high efficiency |
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| Publication number | Publication date |
|---|---|
| CN104842707B (en) | 2017-11-17 |
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