CN221023090U - Quick positioning device for art drawing double-center line positioning method - Google Patents

Abstract

The utility model discloses a device for realizing rapid positioning by a painting double-center line positioning method, and relates to the technical field of art painting. The ruler is limited in size specification aiming at the existing ruler, when drawing involves some complex figures and special pictures, the difficulty of accurately positioning and drawing the pictures is high, repeated point finding, positioning and sectional line drawing are needed in the process, so that the steps and difficulty of drawing can be increased, the problem of time and labor waste is solved, the scheme is provided, the ruler comprises a base and a drawing board, a positioning mechanism is arranged on the drawing board, and an angle adjusting mechanism is arranged on the base. The utility model has reasonable structural design and good use effect, and by arranging the transverse ruler and the vertical ruler which can conveniently adjust the positions, students can accurately position the whole and part of a large-space picture, thereby ensuring the accuracy of the picture position, the consistency of points, lines and surfaces, improving the painting speed and reducing the painting difficulty.

Description

Quick positioning device for art drawing double-center line positioning method

Technical Field

The utility model relates to the technical field of art painting, in particular to a quick positioning device for a double-center line positioning method of the art painting.

Background

The double-midline positioning theory is a newly proposed positioning method for auxiliary painting in art teaching, which uses tools to draw a transverse midline and a vertical midline on a carrier, and intersects the transverse midline and the vertical midline to form a cross shape as a positioning auxiliary line of a picture. The drawn horizontal and vertical central lines can be used as auxiliary lines of a drawing picture, can be used as references of the size, the upper and lower, the left and right, the whole proportion, the space position and the like of the picture, provide important references for analyzing the relation of specific points, lines and planes in the drawing process, and play an obvious auxiliary role in better presenting the accuracy of the picture shape. The auxiliary line method can be adopted for positioning the local graph except the whole, the specific intersecting position of the double central lines can be adjusted according to the size of drawing paper and the whole characteristic of the drawing picture, but the vertical relationship of the double central lines is always unchanged. The method can help students to quickly find key points and positions of drawing shapes. And can help the student directly grasp the structure and the positional relationship of drawing whole picture, at the in-process that the student learns the drawing, can help the student to cultivate good drawing habit.

However, when the double-midline method is used for drawing, the traditional ruler and other drawing tools are usually used for drawing, and because the traditional ruler and ruler are limited in size and specification, when the drawing relates to some complex figures and special pictures, the difficulty of accurately positioning and drawing the pictures is high, and the repeated point positioning and segmented line drawing are needed in the process, so that the steps and difficulty of drawing can be increased, time and labor are wasted, and the problem is solved by the quick positioning device for the double-midline method for art drawing.

Disclosure of utility model

The utility model aims to solve the defects that the prior ruler has limited size specification, when drawing involves some complex figures and special pictures, the difficulty of accurately positioning and drawing the pictures is high, and repeated point finding, positioning and sectional line drawing are needed in the process, so that the steps and difficulty of drawing are increased, and time and labor are wasted.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A quick positioning device for implementing an art drawing double centerline positioning method, comprising:

Base and drawing board, be provided with positioning mechanism on the drawing board, be provided with angle modulation mechanism on the base, all rotate on the both sides inner wall of base and be provided with the pivot, the pivot with drawing board fixed connection.

In a preferred embodiment, the positioning mechanism comprises two symmetrically arranged guide rails, a transverse ruler is slidably arranged on the guide rails, a vertical ruler is slidably arranged on the transverse ruler, the transverse ruler and the vertical ruler are vertically arranged, and a gap exists between the transverse ruler and the vertical ruler and between the transverse ruler and the drawing board.

In a preferred embodiment, the transverse ruler is provided with a limit groove, the vertical ruler is matched with the limit groove, and limit plates are fixedly arranged at the left end and the right end of the transverse ruler.

In a preferred embodiment, the angle adjusting mechanism comprises two symmetrically arranged electric lifting rods, and a connecting shaft is rotatably arranged on an output shaft of each electric lifting rod.

In a preferred embodiment, two grooves are symmetrically formed in the bottom of the drawing board, sliding grooves are formed in the inner walls of two sides of each groove, and the connecting shafts slide in the corresponding sliding grooves.

In a preferred embodiment, a partition plate is fixedly arranged on the inner wall of the bottom of the base, and support columns are fixedly arranged on four corners of the bottom of the base.

According to the quick positioning device for realizing the art drawing double-center line positioning method, the device is placed at a proper position, then, drawing paper is paved at a proper position on a drawing board, the drawing paper is positioned below a transverse ruler and a vertical ruler, further, the angle of the drawing board is adjusted according to the height and personal habits of students, and the electric lifting rod is started, so that the drawing board can be driven to rotate by taking a rotating shaft as a center, and after the angle of the drawing board is adjusted, the angle of a sliding plate can be fixed by closing the electric lifting rod;

According to the quick positioning device for realizing the art drawing double-midline positioning method, the drawing positions of the transverse midline and the vertical midline are determined according to the size of drawing paper, the size of drawing pictures and the specific position of the drawing pictures on the drawing paper, the transverse midline can be drawn by pushing the transverse ruler to move to a proper position along the radial direction of a guide rail, and the vertical midline can be drawn by pushing the vertical ruler to move to a proper position along the radial direction of the transverse ruler by pushing the transverse ruler;

The utility model has reasonable structural design and good use effect, and by arranging the transverse ruler and the vertical ruler which can conveniently adjust the positions, students can accurately position the whole and part of a large-space picture, thereby ensuring the accuracy of the picture position, the consistency of points, lines and surfaces, improving the painting speed and reducing the painting difficulty.

Drawings

Fig. 1 is a schematic perspective view of a quick positioning device for implementing a double-center line positioning method for art drawing according to the present utility model;

Fig. 2 is a schematic structural view of a lifting mechanism of a quick positioning device for implementing a double-center line positioning method for art drawing according to the present utility model;

Fig. 3 is a schematic structural diagram of a portion a of a quick positioning device for implementing a double-center line positioning method for art drawing according to the present utility model;

fig. 4 is a schematic structural view of a groove portion of a quick positioning device for implementing a double centerline positioning method for art drawing according to the present utility model.

In the figure: 1. a base; 2. drawing board; 3. a positioning mechanism; 4. an angle adjusting mechanism; 5. a rotating shaft; 6. a partition plate; 7. a support column; 301. a guide rail; 302. a transverse ruler; 303. a limit groove; 304. a vertical ruler; 305. a limiting plate; 401. an electric lifting rod; 402. a connecting shaft; 403. a groove; 404. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, one embodiment of the present solution provides: a quick positioning device for an art painting double centerline positioning method, comprising:

Base 1 and drawing board 2, be provided with positioning mechanism 3 on the drawing board 2, be provided with angle modulation mechanism 4 on the base 1, all rotate on the both sides inner wall of base 1 and be provided with pivot 5, pivot 5 with drawing board 2 fixed connection.

In this embodiment, positioning mechanism 3 includes the guide rail 301 of two symmetry settings, slide on the guide rail 301 and be provided with the horizontal rule 302, slide on the horizontal rule 302 and be provided with the vertical rule 304, horizontal rule 302 with the vertical rule 304 is perpendicular setting, horizontal rule 302 with there is the clearance between vertical rule 304 and drawing board 2, can be convenient for assist the setting-out.

In this embodiment, the limit groove 303 is formed on the transverse ruler 302, the vertical ruler 304 is adapted to the limit groove 303, and limit plates 305 are fixedly arranged at the left end and the right end of the transverse ruler 302, so that the transverse ruler 302 and the vertical ruler 304 can be conveniently limited and guided.

In this embodiment, the angle modulation mechanism 4 includes two electric lifting rods 401 that symmetry set up, rotate on the output shaft of electric lifting rod 401 and be provided with connecting axle 402, can be convenient for adjust the angle of drawing board 2.

In this embodiment, two grooves 403 are symmetrically formed on the bottom of the drawing board 2, sliding grooves 404 are formed on inner walls of two sides of the grooves 403, and the connecting shaft 402 slides in the corresponding sliding grooves 404, so that the guiding and limiting of the connecting shaft 402 can be facilitated.

In this embodiment, fixedly provided with baffle 6 on the bottom inner wall of base 1 can be convenient for accomodate drawing instrument, all fixedly provided with support column 7 on the bottom four corners of base 1 can be convenient for provide the support to the base.

In this embodiment, when in use, firstly, the device is placed on a suitable position, then, the drawing paper is tiled on a suitable position on the drawing board 2, and the drawing paper is located below the transverse ruler 302 and the vertical ruler 304, further, according to the height and personal habit of a student, the angle of the drawing board 2 is adjusted, the electric lifting rod 401 is started, so that the drawing board 2 can be driven to rotate by taking the rotating shaft 5 as the center, after the angle of the drawing board 2 is adjusted, the angle of the sliding plate can be fixed by closing the electric lifting rod 401, further, the drawing position of the transverse midline and the vertical midline is selected according to the size of the drawing paper, the size of the drawing picture and the specific position of the drawing picture on the drawing paper, the pencil is pushed to attach the transverse ruler 302 to a suitable position along the radial direction of the guide rail 301, and the vertical ruler 304 is pushed to a suitable position along the radial direction of the transverse ruler 302 in a similar way, namely, the vertical midline perpendicular to the transverse midline can be drawn.

In the description of the present utility model, it should be understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (6)

1. A quick positioner that is used for two central line location methods of fine arts drawing, its characterized in that includes:

Base (1) and drawing board (2), be provided with positioning mechanism (3) on drawing board (2), be provided with angle modulation mechanism (4) on base (1), all rotate on the both sides inner wall of base (1) and be provided with pivot (5), pivot (5) with drawing board (2) fixed connection.

2. The quick positioning device for an art drawing double-center line positioning method according to claim 1, wherein: the positioning mechanism (3) comprises two symmetrically arranged guide rails (301), a transverse ruler (302) is arranged on the guide rails (301) in a sliding mode, a vertical ruler (304) is arranged on the transverse ruler (302) in a sliding mode, the transverse ruler (302) is perpendicular to the vertical ruler (304), and gaps exist between the transverse ruler (302) and the vertical ruler (304) and the drawing board (2).

3. The quick positioning device for an art drawing double-center line positioning method according to claim 2, wherein: limiting grooves (303) are formed in the transverse ruler (302), the vertical ruler (304) is matched with the limiting grooves (303), and limiting plates (305) are fixedly arranged at the left end and the right end of the transverse ruler (302).

4. A quick positioning device for an art drawing double-center line positioning method according to claim 3, wherein: the angle adjusting mechanism (4) comprises two electric lifting rods (401) which are symmetrically arranged, and a connecting shaft (402) is rotatably arranged on an output shaft of the electric lifting rods (401).

5. The quick positioning device for an art drawing double-center line positioning method according to claim 4, wherein: two grooves (403) are symmetrically formed in the bottom of the drawing board (2), sliding grooves (404) are formed in the inner walls of two sides of the grooves (403), and the connecting shafts (402) slide in the corresponding sliding grooves (404).

6. The quick positioning device for an art drawing double-center line positioning method according to claim 5, wherein: the base is characterized in that a partition plate (6) is fixedly arranged on the inner wall of the bottom of the base (1), and supporting columns (7) are fixedly arranged on four corners of the bottom of the base (1).