CN212499647U

CN212499647U - Four-in-one multifunctional ruler

Info

Publication number: CN212499647U
Application number: CN202021117681.7U
Authority: CN
Inventors: 林艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-09
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a four unification multi-functional chi, including outer chi, interior chi, outer chi is the annular, interior chi is circularly, and interior chi rotates the inboard of installing at outer chi, the surface mark angle scale of outer chi, interior chi runs through and sets up a plurality of transverse grooves that are parallel to each other, and the diameter coincidence of one of them transverse groove and interior chi, other every the transverse groove all is located the same one side of transverse groove on the interior chi diameter, with the diameter coincidence of interior chi the position department of transverse groove marks has the length scale, the surface of interior chi still is equipped with the gridline, and the diameter of interior chi is relative setting as the center with the transverse groove, the radius department of interior chi and transverse groove mutually perpendicular one side runs through and has seted up a plurality of round holes. The multifunctional ruler of the scheme can completely replace all functions of the ruler, the set square, the protractor and the compasses, is convenient, concise and efficient, has no edges and corners, is convenient to use, and removes the problem of accommodating various rulers.

Description

Four-in-one multifunctional ruler

Technical Field

The utility model relates to a stationery technical field especially relates to a four unification multifunctional ruler.

Background

The ruler is a measuring and drawing tool which is frequently used in a flat way, and a set square, a straight ruler, a protractor and the like are also frequently used in the mathematical teaching of primary schools.

The ruler used in the prior art has a single function, and different rulers are needed to be used to finish drawing different patterns, so that the use is troublesome, and therefore, a multifunctional ruler is needed to be designed to meet the use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a four-in-one multifunctional ruler.

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

the utility model provides a four unification multifunctional ruler, includes outer chi, interior chi, outer chi is the annular, interior chi is circularly, and interior chi rotates the inboard of installing at outer chi, the surface mark angle scale of outer chi, interior chi runs through and sets up a plurality of transverse grooves that are parallel to each other, and the diameter coincidence of one of them transverse groove and interior chi, other every the transverse groove all is located the same one side of the transverse groove on the interior chi diameter, with the diameter coincidence of interior chi the position department of transverse groove marks has the length scale, the surface of interior chi still is equipped with the gridlines, and the gridlines sets up with the diameter of interior chi as the center relatively with the transverse groove, the radius department of interior chi and transverse groove mutually perpendicular one side runs through and has seted up a plurality of round holes, and the round hole is located one side that the interior chi was equipped with the gridlines.

Furthermore, an annular groove is formed in the inner side of the outer ruler, an annular groove is formed in the bottom wall of the circumference of the inner ruler, and the outer ruler and the inner ruler are rotatably installed through the annular groove and the annular groove.

Further, the contact surface of the annular groove and the annular groove is magnetically connected through a magnetic ring.

Further, the length of the transverse groove at the diameter of the inner ruler is smaller than the diameter length of the inner ruler.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the multifunctional ruler of the scheme can completely replace all functions of the ruler, the set square, the protractor and the compasses, is convenient, concise and efficient, has no edges and corners, is convenient to use, and removes the problem of accommodating various rulers.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of an overall structure of a four-in-one multifunctional ruler provided by the present invention;

FIG. 2 is a top view of the outer ruler of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 3;

fig. 4 is a top view of the inner ruler of the present invention;

fig. 5 is a sectional view taken along line B-B in fig. 4.

In the figure: 1 outer scale, 101 angle scales, 2 inner scale, 201 transverse groove, 202 grid lines, 203 round hole and 204 length scales.

Detailed Description

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a four-in-one multifunctional ruler comprises an outer ruler 1 and an inner ruler 2, wherein the outer ruler 1 is annular, the inner ruler 2 is circular, the inner ruler 2 is rotatably arranged at the inner side of the outer ruler 1, the surface of the outer ruler 1 is marked with angle scales 101, the inner ruler 2 is provided with a plurality of parallel transverse grooves 201 in a penetrating way, one transverse groove 201 is superposed with the diameter of the inner ruler 2, each of the other transverse grooves 201 is located on the same side of the transverse groove 201 on the diameter of the inner ruler 2, the position of the transverse groove 201 coinciding with the diameter of the inner ruler 2 is marked with a length scale 204, the surface of the inner ruler 2 is also provided with grid lines 202, and the grid lines 202 and the transverse grooves 201 are arranged oppositely by taking the diameter of the inner ruler 2 as the center, a plurality of round holes 203 are arranged at the radius of one side of the inner ruler 2 which is perpendicular to the transverse grooves 201 in a penetrating way, and the round holes 203 are positioned at one side of the inner ruler 2 where the grid lines 202 are arranged.

Further, an annular groove is formed in the inner side of the outer ruler 1, an annular groove is formed in the bottom wall of the circumference of the inner ruler 2, and the outer ruler 1 and the inner ruler 2 are rotatably installed through the annular groove and the annular groove.

Further, the length of the transverse groove 201 at the diameter of the inner rule 2 is smaller than the length of the diameter of the inner rule 2.

The utility model discloses a theory of operation and use flow:

1. drawing corners: the angle marking operation is completed by holding the outer scale 1, taking the centre of the transverse slot 201 at the diameter of the inner scale 2 as the starting point for the angle, placing the nib at the starting point, drawing a first edge line of the angle along the transverse slot 201, then rotating the inner scale 2 to align the end of the transverse slot 201 with the angle scale 101 on the outer scale 1, for example 60 °, and then moving the nib back to the starting point.

2. Drawing a circle: fix outer chi 1, regard the center that is located the transverse groove 201 of 2 diameter departments of inner ruler as the centre of a circle, insert the nib in the round hole 203, drive inner ruler 2 through removing the nib and rotate to accomplish the operation of drawing a circle.

3. Drawing a straight line and a parallel line: fixing the outer ruler 1 and the inner ruler 2, and putting the pen point into the transverse groove 201 to draw a straight line; the pen points are sequentially placed into the two transverse grooves 201, parallel lines can be drawn, or the pen points are placed into the same transverse groove 201, a straight line is drawn firstly, the outer ruler 1 and the inner ruler 2 move in parallel, position reference can be carried out through the grid lines 202 during movement, and then the straight line can be drawn.

4. Drawing a vertical line: the outer ruler 1 and the inner ruler 2 are fixed, a straight line is drawn in the transverse groove 201, then the pen point is placed in the round hole 203 to draw a point, the inner ruler 2 is rotated to enable the transverse groove 201 to be overlapped with the previously drawn point, then a straight line can be drawn in the transverse groove 201, and at the moment, a perpendicular line can be drawn.

The drawing operations are only examples, and the user can also complete the drawing of angles, circles, straight lines, parallel lines and perpendicular lines according to personal operation habits.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A four-in-one multifunctional ruler comprises an outer ruler (1) and an inner ruler (2), and is characterized in that the outer ruler (1) is annular, the inner ruler (2) is circular, the inner ruler (2) is rotatably installed on the inner side of the outer ruler (1), the surface of the outer ruler (1) is marked with angle scales (101), the inner ruler (2) is provided with a plurality of parallel transverse grooves (201) in a penetrating manner, one transverse groove (201) coincides with the diameter of the inner ruler (2), the other transverse grooves (201) are located on the same side of the transverse groove (201) on the diameter of the inner ruler (2), the position of the transverse groove (201) coinciding with the diameter of the inner ruler (2) is marked with length scales (204), grid lines (202) are further arranged on the surface of the inner ruler (2), and the grid lines (202) and the transverse grooves (201) are oppositely arranged by taking the diameter of the inner ruler (2) as the center, a plurality of round holes (203) are formed in the radius position of one side, perpendicular to each other, of the inner ruler (2) and the transverse groove (201), and the round holes (203) are located on one side, provided with grid lines (202), of the inner ruler (2).

2. The four-in-one multifunctional ruler according to claim 1, characterized in that the inner side of the outer ruler (1) is provided with an annular groove, the bottom wall of the inner ruler (2) at the circumference is provided with an annular groove, and the outer ruler (1) and the inner ruler (2) are rotatably installed through the annular groove and the annular groove.

3. The four-in-one multifunctional ruler as claimed in claim 2, wherein the contact surface of the annular groove and the annular groove is magnetically connected through a magnetic ring.

4. A four-in-one multi-function rule according to claim 1, characterized in that the length of the transverse groove (201) at the diameter of the inner rule (2) is smaller than the length of the diameter of the inner rule (2).