CN214647200U - Perspective auxiliary line drawing tool for planar design drawing - Google Patents

Abstract

The utility model discloses a perspective auxiliary line drawing tool for planar design drawing, which comprises a positioning ruler, a directional ruler and a line drawing ruler, wherein one end of the positioning ruler is connected with a first sucker component, the other end of the positioning ruler is rotationally connected with a second sucker component, one end of the directional ruler is movably sleeved at one end of the positioning ruler, and the other end of the directional ruler is connected with a third sucker component; a first guide through groove is formed in the positioning ruler, and a first positioning block is embedded in the first guide through groove in a sliding mode; a second guide through groove is formed in the directional ruler, and a second positioning block is embedded in the second guide through groove in a sliding mode; a third guide through groove is formed in the line drawing ruler, and the first positioning block and the second positioning block are movably located in the third guide through groove respectively. The utility model discloses can realize that the vertical fixed of positioning ruler on the blackboard, the arbitrary angle of directional bar is fixed to and the horizontal migration location of setting-out chi and the vertical position at the setpoint switch, the setting-out operation of the teaching in-process of being convenient for has alleviateed teacher's manipulation strength.

Description

Perspective auxiliary line drawing tool for planar design drawing

Technical Field

The utility model relates to a teaching aid field especially relates to a perspective auxiliary line draws instrument for graphic design drawing.

Background

The perspective drawing has strong intuition, and is widely applied to building and decoration engineering design and art drawing. The dot method is a preferable one of the methods of drawing a perspective view. This method, like other methods, requires determining the positions of the frames and sites according to the plan, and then determining the parameters of FX and FY and MX and MY. In one-point perspective, only one direction of contour lines of a building is vertical to a picture, and vanishing points of the building are main points; and the contour lines in the other two directions are parallel to the picture and have no vanishing point. The perspective length of a straight line in a certain direction can be obtained only by using a corresponding measuring point; each straight line in each direction has a vanishing point and a measuring point; co-extinction point and measurement point of straight line in the same direction.

In the actual teaching process of planar design, especially architectural structure hand-drawn courses, teachers often need to explain and demonstrate perspective drawing methods for students. Teachers typically measure and mark points on the blackboard with a ruler and chalk, and then build the outline of the object by connecting wires. So, the teacher need alternate the position and the angle of ruler many times to fix the ruler on the blackboard through one hand, hold the chalk in the other hand and carry out the setting-out, teacher's intensity of labour is great, and the straight line depth of parallelism and the straightness effect of hanging down of drawing are relatively poor, influence the demonstration effect of drawing, are unfavorable for the teaching.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a perspective assistant line drawing instrument is used in graphic design drawing is provided, through adopting the tip at positioning ruler and orientation rule to set up the sucking disc subassembly, can realize that the vertical fixed of positioning ruler on the blackboard, the arbitrary angle of orientation rule are fixed to and the horizontal migration location of setting-out rule and the vertical position at the setpoint switch, the setting-out operation of the teaching in-process of being convenient for alleviates teacher's manipulation strength.

In order to solve the technical problem, the utility model discloses a technical scheme be:

a perspective auxiliary line drawing tool for planar design and drawing comprises a positioning ruler, a directional ruler and a line drawing ruler, wherein one end of the positioning ruler is connected with a first sucker component, the other end of the positioning ruler is rotatably connected with a second sucker component, one end of the directional ruler is movably sleeved at one end of the positioning ruler, and the other end of the directional ruler is connected with a third sucker component;

a first guide through groove is formed in the center of the positioning ruler along the length direction, and a first positioning block is embedded in the first guide through groove in a sliding mode;

a second guide through groove is formed in the center of the directional ruler along the length direction, and a second positioning block is embedded in the second guide through groove in a sliding mode;

the center department of setting-out chi is provided with the logical groove of third direction along length direction, first locating piece and second locating piece activity respectively are located the logical inslot of third direction.

Furthermore, the surfaces of the positioning ruler, the orientation ruler and the line drawing ruler are all provided with scale marks.

Furthermore, the surface of one end of the positioning ruler, which is connected with the orientation ruler, is provided with an index line.

Furthermore, a through hole is formed in one end, close to the second sucker component, of the directional ruler, and an alignment conical notch is formed in the edge center of the through hole.

Furthermore, the side face of the first positioning block, which is in contact with the third guide through groove, is perpendicular to the length direction of the positioning ruler, and the two side faces of the first positioning block, which are located in the third guide through groove, are both provided with alignment conical tips.

Furthermore, the part of the second positioning block, which is located in the third guiding through groove, is of a cylindrical structure, and an alignment notch perpendicular to the length direction of the orientation rule is formed in the end face of the cylinder.

Furthermore, first sucking disc subassembly, second sucking disc subassembly and third sucking disc subassembly all include the sucking disc, are fixed in pressing the locking sleeve in the pressure pole outside in the pressure pole, threaded connection of sucking disc top.

Furthermore, the bottom surfaces of the end parts of the positioning ruler and the positioning ruler are both provided with grooves, and the suckers are located in the grooves.

Furthermore, the top surfaces of the end parts of the positioning ruler and the orientation ruler are respectively provided with a boss, the top surface of the boss is provided with an annular caulking groove, and the end part of the locking sleeve is movably embedded in the annular caulking groove.

The utility model has the advantages as follows: the utility model can realize the vertical fixation of the positioning ruler on the blackboard by arranging the sucker component at the end parts of the positioning ruler and the positioning ruler; the directional ruler is rotatably sleeved with the positioning ruler, so that the directional ruler can be set at any angle and fixed through the sucker assembly; the first positioning block which moves vertically is arranged on the positioning ruler, and the horizontal movement positioning of the line drawing ruler can be realized by matching with the movement of the second positioning block, so that the line drawing operation of a corresponding horizontal line at a positioning point is facilitated; hang the setting-out chi on the second locating piece alone, can realize that the setting-out chi switches at the vertical position of second locating piece place setpoint, the setting-out operation of the perpendicular line that the setpoint department of being convenient for corresponds to the setting-out operation of the teaching in-process of being convenient for alleviates teacher's manipulation strength.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the connection position structure of the second chuck assembly of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is an enlarged view of the portion B in FIG. 2;

fig. 6 is an enlarged schematic view of the portion C in fig. 2.

In the figure: the automatic drawing device comprises a positioning rule 1, a first guide through groove 11, a dividing line 12, a scale mark 13, a directional rule 2, a second guide through groove 21, a through hole 22, an alignment conical notch 23, a drawing rule 3, a third guide through groove 31, a first sucker component 4, a second sucker component 5, a sucker 51, a pressing rod 52, a locking sleeve 53, a third sucker component 6, a first positioning block 7, an alignment conical tip 71, a second positioning block 8 and an alignment notch 81.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, a perspective auxiliary line drawing tool for drawing a planar design includes a positioning rule 1, a positioning rule 2, and a line drawing rule 3. The positioning ruler 1, the orientation ruler 2 and the line drawing ruler 3 are all of a wood or plastic straight strip structure, and annular connectors are arranged at the two ends of the positioning ruler 1 and the two ends of the orientation ruler 2. The length, width and thickness of the positioning ruler 1, the positioning ruler 2 and the line drawing ruler 3 can be determined according to the use convenience, in the embodiment, the length of the positioning ruler 1 is 800mm, the length of the positioning ruler 2 is also 800mm, the length of the line drawing ruler 3 is 600mm, the width of each of the three rulers is 400mm, and the thickness of each of the three rulers is 5 mm.

One end of the positioning rule 1 is fixedly connected with a first sucker component 4, and the other end of the positioning rule is rotatably connected with a second sucker component 5. As shown in figure 1, the first sucker component 4 is fixedly embedded in the annular connector at the bottom end of the positioning ruler 1, and the second sucker component 5 is movably sleeved in the annular connector at the top end of the positioning ruler 1. As shown in fig. 3, the second suction cup assembly 5 includes a suction cup 51, a pressing rod 52 fixed to the top of the suction cup 51, and a locking sleeve 53 screwed to the outside of the pressing rod 52. The suction cup 51 is a vacuum rubber suction cup, the pressing rod 52 is a cylinder structure made of the same material as the positioning ruler 1, and the bottom end of the pressing rod 52 is fixedly bonded with the top end of the suction cup 51. The locking sleeve 53 is a cylindrical shell structure made of plastic or metal materials, the bottom of the locking sleeve is open, the center of the top surface of the locking sleeve is provided with a through hole, and the inner wall of the through hole is provided with internal threads; the outer wall of the pressing lever 52 is provided with external threads so that the locking sleeve 53 is sleeved outside the pressing lever 52 through a screw-fit.

Preferably, the bottom surface of the end annular connector of the positioning rule 1 is provided with a circular groove, and the suction cup 51 is positioned in the groove. The top of the groove 51 is provided with a through hole, and the diameter of the through hole is smaller than that of the groove; the middle rod of the pressing rod 52 is positioned in the through hole, the outer side of the bottom end of the pressing rod 52 is provided with a flange, and the side surface of the flange is in sliding fit with the inner wall of the groove, so that the pressing rod 52 can move up and down in the groove, and the suction cup 51 is pushed to be close to/far away from the surface of the blackboard, and the suction cup 51 can be fixed/released on the blackboard.

Furthermore, the top surface of the end annular connector of the positioning ruler 1 is provided with a boss, the top surface of the boss is provided with an annular caulking groove, and the end part of the locking sleeve 53 is movably embedded in the annular caulking groove. The top end of the pressing rod 52 is integrally provided with a limit cap to prevent the locking sleeve 53 from falling off from the pressing rod 52. The depth of the annular caulking groove is not larger than the maximum distance between the top surface of the locking sleeve 53 and the bottom surface of the limiting cap, so that after the locking sleeve 53 is manually stirred to rotate in a forward direction (anticlockwise direction), the locking sleeve 53 can move downwards along the pressing rod 52 and is gradually embedded into the annular caulking groove, and further the top end of the positioning ruler 1 is tightly pressed and fixed on the surface of the blackboard; after the locking sleeve 53 is manually shifted to rotate reversely (clockwise), the locking sleeve 53 can move upwards along the pressing rod 52 and gradually move out of the annular caulking groove, so that the top end of the positioning rule 1 is in a free suspension state.

The first chuck assembly 4 is constructed and mounted in the same manner as the second chuck assembly 5.

When in actual use, firstly, the sucking disc 51 of the second sucking disc component 5 is adsorbed and fixed at a certain point (the vanishing point of the view at the position) on the blackboard, the locking sleeve 53 is loosened to enable the positioning ruler 1 to be in a free suspension state, then the positioning ruler 1 is naturally and vertically suspended under the action of self gravity, then the pressing rod 52 of the first sucking disc component 4 is pressed down to enable the corresponding sucking disc 51 to be adsorbed and fixed on the surface of the blackboard, then the locking sleeves 53 on the first sucking disc component 4 and the second sucking disc component 5 are respectively screwed, so that the two ends of the positioning ruler 1 are fixed on the surface of the blackboard, and then the positioning ruler 1 is vertically fixed on the blackboard.

As shown in figures 2 and 3, the top end of the orientation rule 2 is movably sleeved outside the boss at the top end of the positioning rule 1, so that the orientation rule 2 can rotate around the second sucker component 5. As shown in fig. 6, the boss surface of the tip of the positioning rule 1 is provided with a graduation line 12. The top end of the orientation rule 2 is provided with an oval through hole 22, the center of the top edge of the through hole 22 is provided with an alignment conical notch 23, and the matching of the alignment conical notch 23 and the dividing line 12 can realize the quick and accurate setting of the included angle between the orientation rule 2 and the orientation rule 1.

The bottom end of the directional ruler 2 is fixedly connected with a third sucker component 6, and the structure and the installation mode of the third sucker component 6 are also the same as those of the second sucker component 5. In the actual use process, after the positioning ruler 1 is fixed, the positioning ruler 2 is rotated to a proper position (at the moment, the central line of the positioning ruler 2 is a straight line in the direction corresponding to the vanishing point), the pressing rod 52 of the third sucker component 6 is pressed down to enable the corresponding sucker 51 to be adsorbed and fixed on the surface of the blackboard, then the locking sleeve 53 on the third sucker component 6 is screwed, the bottom end of the positioning ruler 2 is fixed on the surface of the blackboard, and then the positioning ruler 2 is also fixed on the blackboard.

As shown in fig. 4, a first guide through groove 11 is formed in the center of the positioning rule 1 along the length direction, and the first positioning block 7 is slidably fitted in the first guide through groove 11. The first guide through groove 11 is a guide groove with an inverted T-shaped section, and the first positioning block 7 is embedded in the first guide through groove 11 in a sliding manner, can move along the length direction of the first guide groove 11 and can realize positioning through friction force between the side surfaces. The width of the top narrow groove of the first guide through groove 11 is 5 to 10mm so that chalk can be inserted into the first guide through groove 11 and draw a vertical line passing through the vanishing point. Scale marks 13 are arranged on the surface of the positioning ruler 1 on two sides of the first guide through groove 11, a rectangular block is integrally arranged at the top of the first positioning block 7, and the upper side surface and the lower side surface of the rectangular block are respectively vertical to the length direction of the positioning ruler 1; the left and right side surfaces of the rectangular block are provided with contraposition conical finials 71. Through the matching of the alignment conical tip 71 and the scale mark 13 on the positioning rule 1, the accurate positioning and distance moving of the first positioning block 7 on the positioning rule 1 can be realized.

As shown in fig. 5, a second guide through groove 21 is formed in the center of the orientation rule 2 along the longitudinal direction, and a second positioning block 8 is slidably fitted in the second guide through groove 21. The section shape of the second guide through groove 21 is the same as that of the first guide through groove 11, so that the second positioning block 8 is embedded in the second guide through groove 21 in a sliding manner, can move along the length direction of the second guide through groove 21 and can be positioned by friction force between the side surfaces; the chalk can be inserted into the second guiding through groove 21 and draw a direction straight line passing through the vanishing point. The surface of the directional ruler 2 is provided with scale marks 13 on both sides of the second guiding through groove 21, the top of the second positioning block 7 is integrally provided with a cylinder structure, and the end surface of the cylinder is provided with an alignment notch 81 perpendicular to the length direction of the directional ruler 2. Through the matching of the alignment notch 81 and the scale mark 13 on the orientation scale 2, the second positioning block 8 can be accurately positioned and moved with a fixed distance on the orientation scale 2.

As shown in fig. 4 and 5, a third guiding through groove 31 is formed in the center of the line drawing ruler 3 along the length direction, the rectangular block of the first positioning block 7 and the cylinder of the second positioning block 8 are movably located in the third guiding through groove 31, and the inner wall of the third guiding through groove 31 is in sliding fit with the upper side surface and the lower side surface of the rectangular block and is in sliding tangent with the outer circular surface of the cylinder. The third guiding through groove 31 is a strip-shaped waist-shaped through groove, and the width of the groove is the same as the width of the narrow groove at the top of the first guiding through groove 21, so that chalk can be inserted into the third guiding through groove 31 and draw a horizontal contour line corresponding to an object on a positioning point where the second positioning block 8 is positioned. After the line drawing ruler 2 is moved away from the first positioning block 7, the line drawing ruler 2 is freely hung on the cylindrical structure of the second positioning block 8, the line drawing ruler 3 is pressed to be kept still, chalk is inserted into the third guiding through groove 31 again, and a vertical contour line corresponding to the positioned object can be drawn.

The surface of the line drawing ruler 3 is provided with scale marks 13 on both sides of the third guide through groove 31 for drawing a horizontal contour line or a vertical contour line with fixed length at a positioning point.

Because the locating rule 1 is vertically fixed, the locating rule 2 is directionally fixed, the first locating block 7 vertically moves in the first guide through groove 11, the second locating block 8 directionally moves in the second guide through groove 21, the rectangular block of the first locating block 7 enables the line drawing rule 3 to be vertical to the locating rule 1, the line drawing rule 3 can continuously and vertically lift in a horizontal state, horizontal contour lines of objects corresponding to a plurality of position points are drawn, the line drawing rule 3 is independently suspended on the second locating block 8, and vertical contour lines of the objects corresponding to the locating points can be drawn. Therefore, the line drawing efficiency and the drawing quality can be improved, the frequent manual adjustment and pressing of the ruler by a teacher are avoided, and the labor intensity of the teacher is reduced.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (9)

1. A perspective auxiliary line drawing tool for graphic design drawing, characterized in that: the line drawing device comprises a positioning ruler (1), a directional ruler (2) and a line drawing ruler (3), wherein one end of the positioning ruler (1) is connected with a first sucker component (4), the other end of the positioning ruler is rotatably connected with a second sucker component (5), one end of the directional ruler (2) is movably sleeved at one end of the positioning ruler (1), and the other end of the directional ruler (2) is connected with a third sucker component (6);

a first guide through groove (11) is formed in the center of the positioning ruler (1) along the length direction, and a first positioning block (7) is embedded in the first guide through groove (11) in a sliding mode;

a second guide through groove (21) is formed in the center of the directional ruler (2) along the length direction, and a second positioning block (8) is embedded in the second guide through groove (21) in a sliding mode;

the center of the line drawing ruler (3) is provided with a third guide through groove (31) along the length direction, and the first positioning block (7) and the second positioning block (8) are movably located in the third guide through groove (31) respectively.

2. The aided ray drawing tool for drawing a plan design according to claim 1, wherein: the surface of the positioning ruler (1), the surface of the orientation ruler (2) and the surface of the line drawing ruler (3) are all provided with scale marks (13).

3. The perspective auxiliary line drawing tool for drawing a planar design according to claim 1 or 2, wherein: and the surface of one end of the positioning ruler (1) connected with the orientation ruler (2) is provided with an index line (12).

4. The aided ray drawing tool for drawing a plan design according to claim 3, wherein: one end of the orientation rule (2) close to the second sucker component (5) is provided with a through hole (22), and the edge center of the through hole (22) is provided with an alignment conical notch (23).

5. The aided ray drawing tool for drawing a plan design according to claim 1, wherein: the side face, in contact with the third guide through groove (31), of the first positioning block (7) is perpendicular to the length direction of the positioning ruler (1), and the two side faces, located in the third guide through groove (31), of the first positioning block (7) are provided with aligning conical tops (71).

6. The aided ray drawing tool for drawing a plan design according to claim 1, wherein: the part of the second positioning block (8) located in the third guide through groove (31) is of a cylindrical structure, and the end face of the cylinder is provided with an alignment notch (81) perpendicular to the length direction of the orientation rule (2).

7. The aided ray drawing tool for drawing a plan design according to claim 1, wherein: first sucking disc subassembly (4), second sucking disc subassembly (5) and third sucking disc subassembly (6) all include sucking disc (51), are fixed in pressing pressure lever (52) at sucking disc (51) top, threaded connection presses locking sleeve (53) in the pressure lever (52) outside.

8. The aided ray drawing tool for drawing a plan design according to claim 7, wherein: the bottom surfaces of the end parts of the positioning ruler (1) and the positioning ruler (2) are respectively provided with a groove, and the sucker (51) is positioned in the groove.

9. The aided ray drawing tool for drawing a plan design according to claim 7, wherein: the top surfaces of the end parts of the positioning ruler (1) and the orientation ruler (2) are respectively provided with a boss, the top surface of the boss is provided with an annular caulking groove, and the end part of the locking sleeve (53) is movably embedded in the annular caulking groove.

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