CN219749352U - Drawing rule - Google Patents

Abstract

The utility model discloses a drawing rule, which relates to the technical field of drawing rules and comprises a rule body and further comprises: the locating piece is arranged at one end of the ruler body, and the ruler body can rotate by taking the locating piece as a circle center; the locating piece comprises a central cylinder, a base plate and an adsorption piece, wherein the central cylinder is rotationally connected to the ruler body, the base plate is fixedly installed at one end of the central cylinder, and the adsorption piece is installed on the base plate. The utility model has the beneficial effects that the locating piece is added at the end part of the ruler body, and the locating piece can be attached to the drawing surface by pressing, so that the ruler body can be rotated, a pencil can draw a finished circle after rotating along with the ruler body for a circle, the ruler body can draw a straight line and a circle, the carrying of drawing tools is reduced, and the application is simple and convenient.

Description

Drawing rule

Technical Field

The utility model relates to the technical field of drawing rules, in particular to a drawing rule.

Background

At present, computer graphics are widely popular, but manual graphics are necessary for beginners, corresponding labels are carried out by drawing engineering drawings of students in a stroke-by-stroke manner in the teaching process, the drawing engineering drawings are necessary means for cultivating the drawing capability of the students, but different types of drawing instruments are generally adopted to be matched for drawing standard graphics, compasses are needed for multi-purpose straight ruler and round line, and various drawing instruments are needed to be carried in each drawing process, so that the computer graphics are very inconvenient.

Disclosure of Invention

The present utility model is directed to a drawing rule that overcomes the above-mentioned shortcomings of the prior art.

The utility model provides the following technical scheme for realizing the purpose: a drawing rule, comprising a rule body, further comprising:

the locating piece is arranged at one end of the ruler body, and the ruler body can rotate by taking the locating piece as a circle center;

the locating piece comprises a central cylinder, a base plate and an adsorption piece, wherein the central cylinder is rotationally connected to the ruler body, the base plate is fixedly installed at one end of the central cylinder, and the adsorption piece is installed on the base plate.

Preferably, the ruler further comprises a drawing hole, wherein the drawing hole is formed along the length direction of the ruler body.

Preferably, the ruler further comprises a scale, and the scale is arranged on the ruler body.

Preferably, the suction member is provided as a suction cup.

Preferably, the device further comprises an air bag, wherein the air bag is arranged in the central cylinder and is connected with the absorbing part.

Preferably, a clearance hole is formed in the ruler body, and the central cylinder is in sliding connection with the inner wall of the clearance hole.

Preferably, the drawing rule further comprises a sliding groove and a sliding block, wherein the sliding groove is formed in the rule body, the sliding block is fixedly installed on the central cylinder, and the sliding block is in sliding connection with the sliding groove.

Preferably, the sliding block further comprises an elastic piece, wherein the elastic piece is arranged in the sliding groove, and one end of the elastic piece is abutted against the sliding block.

Compared with the prior art, the utility model has the beneficial effects that: the drawing rule comprises: through increasing a setting element at the tip of the chi body, can make its laminating in drawing the face through pressing the setting element, just so can rotate the chi body, the pencil follows the rotatory a round of chi body, just can draw a circle of accomplishing, and the chi body not only can draw the straight line like this, can also draw circularly, reduces the carrying of drawing tool like this, and it is simple and convenient to use.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a front view of an embodiment of the present utility model;

fig. 3 is a schematic view of a partial enlarged structure of fig. 2 according to an embodiment of the present utility model.

In the figure: 10. a ruler body; 11. drawing a hole; 12. a scale; 13. a clearance hole; 15. an air bag; 16. a central cylinder; 17. a substrate; 18. an absorbing member; 19. a chute; 20. an elastic member; 21. a sliding block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Referring to fig. 1-3, the present utility model provides a technical solution: a drawing rule comprising a rule body 10, further comprising:

the positioning piece is arranged at one end of the ruler body 10, and the ruler body 10 can rotate by taking the positioning piece as a circle center; the positioning piece can be pressed, so that the positioning piece is abutted against the drawing surface, the positioning piece and the ruler body 10 rotate, and when drawing, the pencil rotates along with the ruler body 10, and therefore circular drawing can be carried out;

the locating piece includes a center tube 16, a base plate 17, an adsorption piece 18, the center tube 16 is connected on the ruler body 10 in a rotating way, the base plate 17 is fixedly installed at one end of the center tube 16, the adsorption piece 18 is installed on the base plate 17, the center tube 16 and the ruler body 10 are connected in a sliding way, therefore, the adsorption piece 18 can be forced to squeeze the drawing surface by pressing the center tube 16, the center tube 16 and the drawing surface are relatively static, in this way, the ruler body 10 can be guaranteed to be always inconvenient in the rotating center point in the rotating process, the ruler body 10 can be used for drawing straight lines, circular drawing can be also carried out, the carrying of drawing tools is reduced, and the application is simple and convenient.

The drawing hole 11 is also included, and the drawing hole 11 is opened along the length direction of the ruler 10. The drawing hole 11 is used for giving way of the pencil, so that the pencil can penetrate through the drawing hole 11 and rotate along with the ruler body 10 to draw a circle.

And a scale 12, wherein the scale 12 is arranged on the ruler body 10. The scale 12 is used for size comparison during drawing, and the scale 12 also surrounds the positioning piece in a circle, so that the specific rotation angle of the ruler body 10 during rotation can be known.

The suction member 18 is provided as a suction cup. When drawing is performed on a drawing surface such as a whiteboard, the suction cup can be adsorbed on the whiteboard, so that stability is improved, and drawing is facilitated.

And the air bag 15 is arranged in the central cylinder 16, and the air bag 15 is connected with the absorption part 18. The air bag 15 can be pressed when in use, has rebound force, can extract air in the sucker, increases adsorption capacity, and can increase spring in the air bag 15, thus increasing rebound force.

The inside of the ruler body 10 is provided with a clearance hole 13, and the central cylinder 16 is in sliding connection with the inner wall of the clearance hole 13. This ensures that the central tube 16 can be inserted smoothly into the clearance hole 13, and that the clearance hole 13 can provide clearance for the suction member 18.

The drawing rule further comprises a sliding groove 19 and a sliding block 21, wherein the sliding groove 19 is formed in the rule body 10, the sliding block 21 is fixedly arranged on the central cylinder 16, and the sliding block 21 is in sliding connection with the sliding groove 19. The sliding block 21 is provided with a sliding groove 19, and the sliding block 19 is provided with an elastic piece 20, wherein one end of the elastic piece 20 is abutted against the sliding block 21. The arrangement of the sliding block 21 is provided, the sliding block 21 and the sliding groove 19 are matched, so that the sliding block 21 can only move in the sliding groove 19, and the sliding block 21 is arranged on the central cylinder 16, so that the central cylinder 16 is prevented from being separated from the avoidance hole 13, and the stability of the central cylinder 16 during moving is ensured.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (8)

1. Drawing rule, comprising a rule body (10), characterized in that it further comprises:

the positioning piece is arranged at one end of the ruler body (10), and the ruler body (10) can rotate by taking the positioning piece as a circle center;

the locating piece comprises a central cylinder (16), a base plate (17) and an adsorption piece (18), wherein the central cylinder (16) is rotationally connected to the ruler body (10), the base plate (17) is fixedly installed at one end of the central cylinder (16), and the adsorption piece (18) is installed on the base plate (17).

2. A drawing rule according to claim 1, wherein: the ruler further comprises a drawing hole (11), wherein the drawing hole (11) is formed along the length direction of the ruler body (10).

3. A drawing rule according to claim 1, wherein: the scale also comprises a scale (12), and the scale (12) is arranged on the scale body (10).

4. A drawing rule according to claim 1, wherein: the suction piece (18) is provided as a suction cup.

5. A drawing rule according to claim 4, wherein: the air bag (15) is arranged in the central cylinder (16), and the air bag (15) is connected with the adsorption piece (18).

6. A drawing rule according to claim 1, wherein: the inside of the ruler body (10) is provided with a clearance hole (13), and the central cylinder (16) is in sliding connection with the inner wall of the clearance hole (13).

7. A drawing rule according to any one of claims 1 to 6, characterised in that: the drawing rule further comprises a sliding groove (19) and a sliding block (21), wherein the sliding groove (19) is formed in the rule body (10), the sliding block (21) is fixedly installed on the central cylinder (16), and the sliding block (21) is in sliding connection with the sliding groove (19).

8. A drawing rule according to claim 7, wherein: the sliding block is characterized by further comprising an elastic piece (20), wherein the elastic piece (20) is arranged in the sliding groove (19), and one end of the elastic piece (20) is abutted against the sliding block (21).