CN213534312U

CN213534312U - Multi-functional drawing instrument of needleless type

Info

Publication number: CN213534312U
Application number: CN202022329108.9U
Authority: CN
Inventors: 李碧珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-25
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to a needle-free multifunctional drawing tool, in particular to the technical field of drawing tools.A cross-shaped slot is arranged in an upper cover, and a plurality of eccentricity marks are arranged on the upper cover positioned at one side of a transverse slot in the cross-shaped slot; the longitudinal shaft and the transverse shaft are movably embedded in the cross-shaped open slot; the upper cover is covered and fixed on the upper ring surface of the round bearing, the inner ring surface of the round bearing is embedded and fixed with a chassis, and the center of the chassis is provided with a center hole; magnets are embedded in the head parts of one ends of the first ruler, the second ruler and the third ruler, and the first ruler, the second ruler and the third ruler are movably adsorbed on the outer ring surface of the circular bearing by the magnets; an angle scale layer is arranged on the upper cover. On it utilized viscose to be fixed in the centre of a circle on the paper, effectively guaranteed the integrality of paper, and can not take place the centre of a circle skew phenomenon that the paper damage leads to, it can draw multiple figure, and the functionality is stronger.

Description

Multi-functional drawing instrument of needleless type

Technical Field

The utility model relates to the technical field of drawing tools, in particular to a needle-free multifunctional drawing tool.

Background

Present drawing tool can set up fixed needle in centre of a circle position department for the location centre of a circle, must can destroy the paper like this, perhaps when domestic, brings the potential safety hazard easily, and some drawing paper are thinner, at the drawing in-process, still are damaged easily, lead to the centre of a circle to deviate, draw out the graph of nonstandard, await urgent need to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a reasonable in design's multi-functional drawing instrument of needleless type, on it utilized the viscose to be fixed in the center of a circle on the paper, effectively guaranteed the integrality of paper, and can not take place the skew phenomenon in the centre of a circle that the paper damage leads to, it can draw multiple figure, and the functionality is stronger.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the device comprises a disc, a first ruler, a second ruler, a third ruler, a longitudinal axis and a transverse axis; the disc consists of an upper cover, a circular bearing and a chassis; a cross-shaped open slot is arranged in the upper cover, and a plurality of eccentricity marks are arranged on the upper cover positioned on one side of a transverse slot in the cross-shaped open slot; the longitudinal shaft and the transverse shaft are movably embedded in the cross-shaped open slot; the upper cover is covered and fixed on the upper ring surface of the round bearing, the inner ring surface of the round bearing is fixedly embedded with a chassis, the bottom of the chassis is fixedly adhered with glue, and the center of the chassis is provided with a center hole; magnets are embedded in the head parts of one ends of the first ruler, the second ruler and the third ruler, and the first ruler, the second ruler and the third ruler are movably adsorbed on the outer ring surface of the circular bearing by the magnets; an angle scale layer is arranged on the upper cover; a plurality of circular drawing holes are formed in the middle of the upper surfaces of the first ruler, the second ruler and the third ruler, an English letter parent layer is arranged on one side of each circular drawing hole, a millimeter scale mark layer is arranged on one side of each of the upper surfaces of the first ruler, the second ruler and the third ruler, and an inch scale mark layer is arranged on the other side of each upper surface of the first ruler, the second ruler and the third ruler; the upper surface of the third ruler is provided with a triangular drawing mark, an oval drawing guide hole and a spiral drawing guide hole; 45-degree grooves are integrally formed in one end of the second ruler and the third ruler, which is provided with the magnets; a 45-degree convex block is integrally formed on the upper surface of one end of the first ruler, which is provided with the magnet; the 45-degree convex block is movably clamped in the 45-degree groove.

Furthermore, a plurality of hexagonal marks are arranged on the upper cover at equal angles.

Furthermore, a plurality of five-pointed star marks are arranged on the upper cover at equal angles.

Furthermore, the upper surface of one end of the first ruler, the second ruler and the third ruler, which is provided with the magnet, is provided with an installation arrow mark.

Furthermore, No. two chi and No. three chi upper surface both sides limit integrated into one piece that are provided with magnet have the card chimb, the both sides limit activity card of a chi is established in the card chimb.

After the structure is adopted, the beneficial effects of the utility model are that: the utility model provides a multi-functional drawing instrument of needleless type, on it utilized the viscose to be fixed in the centre of a circle on the paper, effectively guaranteed the integrality of paper, and can not take place the skew phenomenon in the centre of a circle that the paper damage leads to, it can draw multiple figure, and the functionality is stronger.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the disk of the present invention.

Fig. 3 is a schematic structural diagram of the first embodiment.

Fig. 4 is a schematic structural diagram of the second embodiment.

Fig. 5 is a bottom view of fig. 4.

FIG. 6 is a schematic structural diagram of the third embodiment.

Description of reference numerals:

the novel ruler comprises a disc 1, an upper cover 1-1, a circular bearing 1-2, a chassis 1-3, a cross-shaped groove 1-4, an adhesive sticker 1-5, a first ruler 2, a second ruler 3, a third ruler 4, a longitudinal axis 5, a transverse axis 6, a 45-degree projection 7, a 45-degree groove 8, an inch scale mark layer 9, a triangular drawing mark 10, an oval drawing guide hole 11, a spiral drawing guide hole 12, a clamping flange 13, a circular drawing hole 14, an English letter layer 15, a millimeter scale layer 16, a hexagonal mark 18, a five-pointed star mark 19, an eccentricity mark 20 and an installation arrow mark 21.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the following technical solutions are adopted in the present embodiment: the ruler comprises a disc 1, a first ruler 2, a second ruler 3, a third ruler 4, a longitudinal axis 5 and a transverse axis 6; the disc 1 consists of an upper cover 1-1, a circular bearing 1-2 and a chassis 1-3; a cross-shaped open slot 1-4 is arranged in the upper cover 1-1, and a plurality of eccentricity marks 20 are arranged on the upper cover 1-1 positioned at one side of a transverse slot in the cross-shaped open slot 1-4; the longitudinal shaft 5 and the transverse shaft 6 are movably embedded in the cross-shaped slots 1-4; the upper cover 1-1 is covered and fixed on the upper ring surface of the round bearing 1-2, the inner ring surface of the round bearing 1-2 is embedded and fixed with a chassis 1-3, the bottom of the chassis 1-3 is fixed with an adhesive 1-5, and the center of the chassis 1-3 is provided with a center hole; magnets are embedded in the head parts of one ends of the first ruler 2, the second ruler 3 and the third ruler 4 (the length of the first ruler 2 is smaller than that of the second ruler 3, and the third ruler 4 is of a drop-shaped structure), and the first ruler 2, the second ruler 3 and the third ruler 4 are movably arranged on the outer ring surface of the circular bearing 1-2 by utilizing the movable adsorption of the magnets; the upper surfaces of the ends of the first ruler 2, the second ruler 3 and the third ruler 4 provided with the magnets are provided with installation arrow marks 21; an angle scale layer 17 is arranged on the upper cover 1-1, and a plurality of hexagonal marks 18 and a plurality of pentagram marks 19 are arranged on the upper cover 1-1 at equal angles; a plurality of circular drawing holes 14 are formed in the middle of the upper surfaces of the first ruler 2, the second ruler 3 and the third ruler 4, an English letter layer 15 is arranged on one side of each circular drawing hole 14, a millimeter scale mark layer 16 is arranged on one side of each of the upper surfaces of the first ruler 2, the second ruler 3 and the third ruler 4, and an inch scale mark layer 9 is arranged on the other side of each of the upper surfaces of the first ruler 2, the second ruler 3 and the third ruler 4; the upper surface of the third ruler 4 is provided with a triangular drawing mark 10, an oval drawing guide hole 11 and a spiral drawing guide hole 12; a 45-degree groove 8 is integrally formed in one end of each of the second ruler 3 and the third ruler 4, which is provided with the magnet; a 45-degree lug 7 is integrally formed on the upper surface of one end of the first ruler 2, which is provided with the magnet; the 45-degree bump 7 is movably clamped in the 45-degree groove 8; two side edges of the upper surface of one end of the second ruler 3 and the third ruler 4, which are provided with magnets, are integrally formed with clamping convex edges 13, and two side edges of the first ruler 2 are movably clamped in the clamping convex edges 13.

The working principle of the specific embodiment is as follows: marking the circle center position on paper, aligning the center hole of the chassis 1-3 of the disc 1 with the circle center position, and sticking the center hole to the paper by using the adhesive 1-5 on the bottom surface of the chassis 1-3, wherein the adhesive can be repeatedly used; selecting a ruler with a proper length, aligning the ruler to zero degree, which is the starting point of drawing, tightly attaching the ruler to the outer ring surface of the disc, adsorbing and fixing by using a magnet, selecting a proper circular drawing hole 14 for the pen, rotating the ruler to draw a circle, and drawing curves and circles with different arc lengths according to the radius of the ruler and the angle of the disc; 45-degree straight lines and equidistant straight lines can be drawn by using the 45-degree convex blocks on the first ruler 2; triangles, ellipses and spirals are drawn using the triangle drawing marks 10, the ellipse drawing guide holes 11 and the spiral drawing guide holes 12 on the No. three ruler 4.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the adhesive is fixed on the center of a circle on the paper, so that the integrity of the paper is effectively ensured, and the phenomenon of center deviation caused by paper damage can not occur;

2. the first ruler, the second ruler and the third ruler can draw circles with different diameters in different lengths;

3. drawing a 45-degree straight line and an equidistant straight line by using a 45-degree convex block on the first ruler 2;

4. drawing triangles, ellipses and spirals by using a triangle drawing mark 10, an ellipse drawing guide hole 11 and a spiral drawing guide hole 12 on the third ruler 4;

5. the golden ratio circle with different radiuses can be drawn by matching the ruler with a golden data table, can cause the aesthetic feeling of people, and is considered as the most ideal ratio in buildings and art.

The first embodiment is as follows:

referring to fig. 3, in the present embodiment, a second ruler 3 is used, and a plurality of pens are selected to combine with the golden ratio data table, and a circle is drawn at the same time, so that a golden ratio circle can be drawn.

Example two:

referring to fig. 4 and 5, in the embodiment, a first ruler 2 and a second ruler 3 are combined, that is, the first ruler 2 faces downward, a 45 ° projection 7 on the first ruler 2 is clamped in a 45 ° groove 8 in the second ruler 3, meanwhile, two side edges of the first ruler 2 are clamped in a clamping convex edge 13 on the second ruler 3, then the first ruler 2 is sleeved on a longitudinal axis 5 which is moved to the center of the upper cover 1-1 in advance and a transverse axis 6 in a transverse groove of a cross-shaped slot 1-4 by using a plurality of circular drawing holes 14, and then different ellipses are drawn according to an eccentricity data sheet.

Example three:

referring to fig. 6, in the present embodiment, a first ruler 2 and a third ruler 4 are combined, the installation method is the same as that of the second embodiment, and finally, different ellipses are drawn according to an eccentricity data table.

Example four:

in this embodiment, five points are marked according to the position of the five-pointed star mark 19 on the disc 1, and then the five points are connected to obtain the five-pointed star.

Example five:

in this embodiment, six points are marked according to the positions of the hexagonal marks 18 on the disk 1, and then adjacent points are connected to obtain a hexagon.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A needle-free multifunctional drawing tool is characterized in that: the ruler comprises a disc (1), a first ruler (2), a second ruler (3), a third ruler (4), a longitudinal axis (5) and a transverse axis (6); the disc (1) consists of an upper cover (1-1), a circular bearing (1-2) and a chassis (1-3); a cross-shaped open slot (1-4) is arranged in the upper cover (1-1), and a plurality of eccentricity marks (20) are arranged on the upper cover (1-1) positioned at one side of a transverse slot in the cross-shaped open slot (1-4); the longitudinal shaft (5) and the transverse shaft (6) are movably embedded in the cross-shaped open grooves (1-4); the upper cover (1-1) is covered and fixed on the upper ring surface of the circular bearing (1-2), the inner ring surface of the circular bearing (1-2) is fixedly embedded with a chassis (1-3), the bottom of the chassis (1-3) is fixedly provided with an adhesive sticker (1-5), and the center of the chassis (1-3) is provided with a center hole; magnets are embedded in the head parts of one ends of the first ruler (2), the second ruler (3) and the third ruler (4), and the first ruler (2), the second ruler (3) and the third ruler (4) are movably adsorbed on the outer ring surface of the circular bearing (1-2) by the magnets; an angle scale layer (17) is arranged on the upper cover (1-1); a plurality of circular drawing holes (14) are formed in the middle of the upper surfaces of the first ruler (2), the second ruler (3) and the third ruler (4), an English letter parent layer (15) is arranged on one side of each circular drawing hole (14), a millimeter scale mark layer (16) is arranged on one side of the upper surfaces of the first ruler (2), the second ruler (3) and the third ruler (4), and an inch scale mark layer (9) is arranged on the other side of the upper surfaces of the first ruler (2), the second ruler (3) and the third ruler (4); a triangular drawing mark (10), an oval drawing guide hole (11) and a spiral drawing guide hole (12) are arranged on the upper surface of the third ruler (4); a 45-degree groove (8) is integrally formed in one end of each of the second ruler (3) and the third ruler (4) provided with the magnet; a 45-degree lug (7) is integrally formed on the upper surface of one end of the first ruler (2) provided with the magnet; the 45-degree convex block (7) is movably clamped in the 45-degree groove (8).

2. The needle-free multifunctional drawing tool of claim 1, wherein: a plurality of hexagonal marks (18) are arranged on the upper cover (1-1) at equal angles.

3. The needle-free multifunctional drawing tool of claim 1, wherein: a plurality of five-pointed star marks (19) are arranged on the upper cover (1-1) at equal angles.

4. The needle-free multifunctional drawing tool of claim 1, wherein: an installation arrow mark (21) is arranged on the upper surface of one end of the first ruler (2), the second ruler (3) and the third ruler (4) provided with the magnet.

5. The needle-free multifunctional drawing tool of claim 1, wherein: no. two chi (3) and No. three chi (4) be provided with the one end upper surface both sides limit integrated into one piece of magnet have card chimb (13), the both sides limit activity card of a chi (2) is established in card chimb (13).