CN214564197U

CN214564197U - Stationery ruler convenient to smuggle secretly

Info

Publication number: CN214564197U
Application number: CN202120398318.5U
Authority: CN
Inventors: 汪楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-11-02
Anticipated expiration: 2031-02-23

Abstract

The application provides a convenient-to-clamp stationery ruler, which comprises a straight ruler, a right-angle set square, an isosceles set square and a protractor, wherein a first clamping groove, a second clamping groove and a third clamping groove are formed in the straight ruler; the right-angle triangular plate is clamped in the first clamping groove, and the edge of the right-angle triangular plate is pressed and abutted against the inner wall of the first clamping groove; the isosceles triangular plate is clamped in the second clamping groove, and the edge of the isosceles triangular plate is pressed and abutted against the inner wall of the second clamping groove; the protractor is clamped in the third clamping groove, and the edge of the protractor is pressed and abutted against the inner wall of the third clamping groove; the first clamping groove, the second clamping groove and the third clamping groove are positioned on the same plane; the right-angle set square, the isosceles set square and the protractor are respectively parallel to the ruler. Ruler, right angle set square, isosceles set square and protractor can splice and make up an organic whole, form a flat structure, ruler, right angle set square, isosceles set square and protractor can keep relatively fixed, are difficult to loose, are convenient for smuggle secretly.

Description

Stationery ruler convenient to smuggle secretly

Technical Field

The application relates to the technical field of measuring scales, in particular to a stationery ruler convenient to entrain.

Background

The stationery ruler is a commonly used measuring and drawing auxiliary tool for students and generally comprises a straight ruler, a set square and a protractor, wherein the straight ruler is in a strip shape, and one side of the straight ruler is provided with scale marks and is mainly used for measuring length and drawing straight lines. The set square includes right angle set square and isosceles set square usually for draw the lines of contained angle commonly used, right angle set square and isosceles set square combination can form multiple angle commonly used. The protractor is generally semicircular, and the circumference is provided with scale marks which are mainly used for measuring the included angle between two targets.

However, in the prior art, the ruler, the right-angle triangle, the isosceles triangle and the protractor are independent, and cannot be spliced and combined, and cannot be kept relatively fixed when being laid on a plane, so that the stationery ruler is inconvenient to carry (for example, being clamped in a book, a schoolbag or a file folder).

SUMMERY OF THE UTILITY MODEL

The application provides a stationery chi convenient to smuggle secretly for solve among the prior art stationery chi be not convenient for smuggle secretly the problem.

In order to achieve the above purpose, the embodiments of the present application propose the following technical solutions:

a convenient-to-clamp stationery ruler comprises a ruler, a right-angle set square, an isosceles set square and a protractor, wherein a first clamping groove, a second clamping groove and a third clamping groove are formed in the ruler; the right-angle triangular plate is clamped in the first clamping groove, and the edge of the right-angle triangular plate is pressed and abutted against the inner wall of the first clamping groove; the isosceles triangular plate is clamped in the second clamping groove, and the edge of the isosceles triangular plate is pressed and abutted against the inner wall of the second clamping groove; the protractor is clamped in the third clamping groove, and the edge of the protractor is pressed and abutted against the inner wall of the third clamping groove; the first clamping groove, the second clamping groove and the third clamping groove are positioned on the same plane; the right-angle set square, the isosceles set square and the protractor are respectively parallel to the ruler.

In some embodiments, the first clamping groove penetrates through the ruler in a direction perpendicular to the ruler, a first limiting member is fixedly connected to an inner wall of one end of the first clamping groove, the first limiting member is arranged around an edge of the first clamping groove, and the right-angle triangle is abutted to the first limiting member in the direction perpendicular to the ruler.

In some embodiments, the second clamping groove penetrates through the ruler in a direction perpendicular to the ruler, a second limiting member is fixedly connected to an inner wall of one end of the second clamping groove, the second limiting member is arranged around an edge of the second clamping groove, and the isosceles triangle is abutted to the second limiting member in the direction perpendicular to the ruler.

In some embodiments, the third slot penetrates through the ruler in a direction perpendicular to the ruler, a third limiting member is fixedly connected to an inner wall of one end of the third slot, the third limiting member is arranged around an edge of the third slot, and the protractor abuts against the third limiting member in a direction perpendicular to the ruler.

In some embodiments, the protractor is in the shape of an isosceles triangle, a semicircular through hole is formed in the center of the bottom side of the protractor, angle scale lines are arranged on the protractor, the angle scale lines are arranged around the through hole, and the vertex angle of the protractor is greater than 90 degrees.

In some embodiments, the isosceles triangle is in the shape of an equilateral triangle.

In some embodiments, the square is in the shape of a right triangle having one of its legs longer than the other leg.

In some embodiments, the length of the shorter right-angle side of the right-angle triangle is equal to the length of the side of the isosceles triangle, and the length of the longer right-angle side of the right-angle triangle is equal to the length of the bottom side of the protractor; one longer right-angle side of the right-angle triangular plate is perpendicular to one side of the isosceles triangular plate, and one longer right-angle side of the right-angle triangular plate is parallel to the bottom side of the protractor; the protractor and the isosceles triangle are positioned on the same side of the bevel edge of the right-angle triangle; the ruler is rectangular, the bottom edge of the protractor is parallel to one long edge of the ruler, a longer right-angle edge of the right-angle triangle is parallel to the other long edge of the ruler, a shorter right-angle edge of the right-angle triangle is parallel to one short edge of the ruler, and one edge of the isosceles triangle is parallel to the other short edge of the ruler; one side of the isosceles triangle is parallel to the bevel edge of the right-angle triangle, and one waist of the protractor is parallel to the bevel edge of the right-angle triangle.

In some embodiments, the first clamping groove penetrates through the ruler in a direction perpendicular to the ruler, a first limiting member is fixedly connected to an inner wall of one end of the first clamping groove, the first limiting member is arranged around an edge of the first clamping groove, and the right-angle triangle is abutted against the first limiting member in the direction perpendicular to the ruler; the second clamping groove penetrates through the ruler in the direction perpendicular to the ruler, a second limiting piece is fixedly connected to the inner wall of one end of the second clamping groove, the second limiting piece is arranged around the edge of the second clamping groove, and the isosceles triangle is abutted to the second limiting piece in the direction perpendicular to the ruler; the third clamping groove penetrates through the ruler in the direction perpendicular to the ruler, a third limiting piece is fixedly connected to the inner wall of one end of the third clamping groove, the third limiting piece is arranged around the edge of the third clamping groove, and the protractor is abutted to the third limiting piece in the direction perpendicular to the ruler; the first locating part the second locating part and the third locating part are located the coplanar, the thickness of first locating part the thickness of second locating part and the thickness of third locating part equals, right angle triangle plate thickness isosceles triangle plate thickness and the thickness of protractor is greater than respectively the thickness of first locating part, right angle triangle plate thickness isosceles triangle plate thickness and the thickness of protractor equals, the thickness of first locating part with right angle triangle plate thickness sum equals the thickness of ruler.

In some embodiments, the first slot has the same shape as the right triangle, the second slot has the same shape as the isosceles triangle, and the third slot has the same shape as the protractor.

Drawings

FIG. 1 is a schematic structural view of a stationery rule facilitated to be entrained in an embodiment of the present application;

FIG. 2 is an exploded view of the writing utensil of FIG. 1, ready for entrainment;

FIG. 3 is a view of the writing utensil in an embodiment of the present application, taken perpendicular to the straight edge, to facilitate entrainment;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an exploded view of the writing utensil of FIG. 4 ready for entrainment;

fig. 6 is a schematic structural diagram of a protractor in an embodiment of the present application;

FIG. 7 is a schematic structural diagram of an isosceles triangle in an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a right angle triangle in an embodiment of the present application;

fig. 9 is a partial enlarged view at B in fig. 4.

Reference numerals:

100. a straightedge;

110. a first card slot; 111. A first limit piece;

120. a second card slot; 121. A second limiting member;

130. a third card slot; 131. A third limiting member;

200. a right-angle set square;

300. an isosceles triangle;

400. a protractor;

410. a through hole; 420. Angle scale lines.

Detailed Description

Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

As shown in fig. 1 and 2, in an embodiment of the present application, a stationery ruler convenient to entrain is provided, which includes a ruler 100, a right-angle triangle 200, an isosceles triangle 300 and a protractor 400, wherein the ruler 100 is provided with a first clamping groove 110, a second clamping groove 120 and a third clamping groove 130; the right-angle triangular plate 200 is clamped in the first clamping groove 110, and the edge of the right-angle triangular plate 200 is pressed and abutted against the inner wall of the first clamping groove 110; the isosceles triangle 300 is clamped in the second clamping groove 120, and the edge of the isosceles triangle 300 is pressed against the inner wall of the second clamping groove 120; the protractor 400 is clamped in the third clamping groove 130, and the edge of the protractor 400 is pressed and abutted against the inner wall of the third clamping groove 130; the first card slot 110, the second card slot 120 and the third card slot 130 are located on the same plane; the right triangle 200, the isosceles triangle 300 and the protractor 400 are respectively parallel to the straightedge 100.

The stationery ruler convenient to smuggle secretly that this embodiment provided, ruler 100, right angle set square 200, isosceles set square 300 and protractor 400 can the concatenation make up an organic wholely, forms a flat structure, and ruler 100, right angle set square 200, isosceles set square 300 and protractor 400 can keep relatively fixed, is difficult to loose, is convenient for smuggle secretly. The first clamping groove 110, the second clamping groove 120 and the third clamping groove 130 penetrate through the ruler 100, so that a user can conveniently stretch into the first clamping groove 110, the second clamping groove 120 and the third clamping groove 130 to push out the right-angle triangle 200, the isosceles triangle 300 and the protractor 400 respectively.

As shown in fig. 3, 4 and 5, in some embodiments, the first engaging groove 110 penetrates through the ruler 100 along a direction perpendicular to the ruler 100, a first limiting member 111 is fixedly connected to an inner wall of one end of the first engaging groove 110, the first limiting member 111 is disposed around an edge of the first engaging groove 110, and the right triangle 200 abuts against the first limiting member 111 along the direction perpendicular to the ruler 100.

Through the above embodiment, the first limiting member 111 can limit the right triangle 200, so as to prevent the right triangle 200 from passing through the first slot 110 when being inserted into the first slot 110, and to enable the depth of the right triangle 200 inserted into the first slot 110 to be controllable.

In some embodiments, the second slot 120 penetrates through the ruler 100 along a direction perpendicular to the ruler 100, a second limiting member 121 is fixedly connected to an inner wall of one end of the second slot 120, the second limiting member 121 is disposed around an edge of the second slot 120, and the isosceles triangle 300 abuts against the second limiting member 121 along the direction perpendicular to the ruler 100.

Through the above embodiment, the second limiting member 121 can limit the isosceles triangle 300, so that the isosceles triangle 300 can be prevented from passing through the second slot 120 when being inserted into the second slot 120, and the depth of the isosceles triangle 300 inserted into the second slot 120 can be controlled.

In some embodiments, the third slot 130 penetrates through the ruler 100 in a direction perpendicular to the ruler 100, a third limiting member 131 is fixedly connected to an inner wall of one end of the third slot 130, the third limiting member 131 is disposed around an edge of the third slot 130, and the protractor 400 abuts against the third limiting member 131 in the direction perpendicular to the ruler 100.

Through the above embodiment, the third limiting member 131 can limit the protractor 400, so that the protractor 400 is prevented from passing through the third slot 130 when being inserted into the third slot 130, and the depth of the protractor 400 inserted into the third slot 130 is controllable.

As shown in fig. 6, in some embodiments, the protractor 400 is in the shape of an isosceles triangle, a semicircular through hole 410 is formed in the center of the bottom side of the protractor 400, an angle scale mark 420 is formed on the protractor 400, the angle scale mark 420 is disposed around the through hole 410, and the vertex angle of the protractor 400 is greater than 90 degrees.

Through the above embodiment, protractor 400 sets up to the isosceles triangle structure, is convenient for insert third draw-in groove 130, and manufacturing process is simple, and right angle set square 200, isosceles set square 300 and protractor 400 are the triangle-shaped structure, and it is inseparabler to arrange on ruler 100 after the concatenation combination, and ruler 100's space utilization is higher.

As shown in fig. 7, in some embodiments, the isosceles triangle 300 is shaped as an equilateral triangle.

With the above embodiment, the included angle between any two sides of the isosceles triangle 300 is 60 degrees.

As shown in FIG. 8, in some embodiments, the square is in the shape of a right triangle, with one of the legs of the right triangle 200 having a greater length than the other leg.

In the above embodiment, the two acute angles of the right triangle 200 are different in size, and a combination with the protractor 400 and the isosceles triangle 300 can form a larger variety of angles different in size.

As shown in fig. 1 and 3, in some embodiments, the length of the shorter right-angle side of the right-angle triangle 200 is equal to the length of the side of the isosceles triangle 300, and the length of the longer right-angle side of the right-angle triangle 200 is equal to the length of the bottom side of the protractor 400; one longer right-angle side of the right-angle triangle 200 is perpendicular to one of the sides of the isosceles triangle 300, and one longer right-angle side of the right-angle triangle 200 is parallel to the bottom side of the protractor 400; the protractor 400 and the isosceles triangle 300 are positioned on the same side of the hypotenuse of the right triangle 200; the ruler 100 is rectangular, the bottom edge of the protractor 400 is parallel to one long side of the ruler 100, the longer right-angle side of the right-angle triangle 200 is parallel to the other long side of the ruler 100, the shorter right-angle side of the right-angle triangle 200 is parallel to one short side of the ruler 100, and one side of the isosceles triangle 300 is parallel to the other short side of the ruler 100; one side of the isosceles triangle 300 is parallel to the oblique side of the right triangle 200, and one side of the protractor 400 is parallel to the oblique side of the right triangle 200.

Through the above embodiment, the right-angle set square 200, the isosceles set square 300 and the protractor 400 are arranged on the ruler 100 to form a rectangle, so that the space utilization rate of the ruler 100 is improved, the structure of the conveniently-carried stationery ruler is more compact, and the portability is improved; from the geometric relationship, the angle of one acute angle of the right-angle triangular plate 200 is 30 degrees, the angle of the other acute angle is 60 degrees, the angle of the bottom angle of the protractor 400 is 30 degrees, the angle of the top angle of the protractor 400 is 120 degrees, the right-angle triangular plate 200, the isosceles triangular plate 300 and the protractor 400 can be used for rapidly measuring and drawing the angle of integral multiple of 30 degrees, and the protractor 400 can be used for measuring and drawing the angle of any size.

As shown in fig. 4, 5 and 9, in some embodiments, the first limiting member 111, the second limiting member 121 and the third limiting member 131 are located on the same plane, the thickness of the first limiting member 111, the thickness of the second limiting member 121 and the thickness of the third limiting member 131 are equal, the thickness of the right triangle 200, the thickness of the isosceles triangle 300 and the thickness of the protractor 400 are respectively greater than the thickness of the first limiting member 111, the thickness of the right triangle 200, the thickness of the isosceles triangle 300 and the thickness of the protractor 400 are equal, and the sum of the thickness of the first limiting member 111 and the thickness of the right triangle 200 is equal to the thickness of the ruler 100.

Through the above embodiment, the surface of the first limiting member 111 far from the right-angle triangle 200 and the back surface of the straight scale 100 are located on the same plane, and the surface of the right-angle triangle 200 far from the first limiting member 111 and the front surface of the straight scale 100 are located on the same plane, so that the whole structure of the entrained stationery scale is more compact and smooth.

As shown in fig. 2 and 3, in some embodiments, the first slot 110 has the same shape as the right triangle 200, the second slot 120 has the same shape as the isosceles triangle 300, the third slot 130 has the same shape as the protractor 400, and the edges of the first, second, and third limiting

members

111, 121, and 131 are respectively provided with scale marks.

With the above-described embodiments, after the right triangle 200 and/or the isosceles triangle 300 and/or the protractor 400 is lost or damaged, the same functions as those of the right triangle 200, the isosceles triangle 300 and the protractor 400 (except for the angle precise measurement function of the protractor 400) can be achieved through the first, second and

third slots

110, 120 and 130 on the straightedge 100.

The terms "same", "equal", "perpendicular", "parallel" and "on the same plane" in this embodiment are preferred choices in theoretical design, but there may be errors in practical application, and the same effects can be implemented and achieved within a certain error range, so the expressions "same", "equal", "perpendicular", "parallel" and "on the same plane" should not be construed as limiting the scope of protection of the present application.

The long edges, the short edges, the waists, the bottom edges, the top angles, the right-angled edges, the inclined edges and the like in the embodiment are all commonly known terms of common geometric figures in geometry, and in order to make the drawings more concise and clearer, the edges and the angles are not labeled one by one.

The above examples are only for explaining the present application and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments of the present application without inventive contribution as needed after reading the present specification, but are protected by patent laws within the scope of the claims of the present application.

Claims

1. A convenient-to-carry stationery ruler comprises a ruler (100), a right-angle set square (200), an isosceles set square (300) and a protractor (400), and is characterized in that the ruler (100) is provided with a first clamping groove (110), a second clamping groove (120) and a third clamping groove (130); the right-angle triangular plate (200) is clamped in the first clamping groove (110), and the edge of the right-angle triangular plate (200) is pressed and abutted against the inner wall of the first clamping groove (110); the isosceles triangle (300) is clamped in the second clamping groove (120), and the edge of the isosceles triangle (300) is pressed against the inner wall of the second clamping groove (120); the protractor (400) is clamped in the third clamping groove (130), and the edge of the protractor (400) is pressed and abutted against the inner wall of the third clamping groove (130); the first card slot (110), the second card slot (120), and the third card slot (130) are located on the same plane; the right-angle triangle (200), the isosceles triangle (300) and the protractor (400) are respectively parallel to the ruler (100).

2. The stationery ruler convenient for entrainment according to claim 1, wherein said first slot (110) penetrates through said ruler (100) along a direction perpendicular to said ruler (100), a first retaining member (111) is fixedly connected to an inner wall of one end of said first slot (110), said first retaining member (111) is disposed around an edge of said first slot (110), and said right triangle (200) abuts against said first retaining member (111) along a direction perpendicular to said ruler (100).

3. The easy-to-entrain stationery ruler according to claim 1, wherein the second clamping groove (120) penetrates through the straight ruler (100) along a direction perpendicular to the straight ruler (100), a second limiting member (121) is fixedly connected to an inner wall of one end of the second clamping groove (120), the second limiting member (121) is arranged around an edge of the second clamping groove (120), and the isosceles triangle (300) abuts against the second limiting member (121) along the direction perpendicular to the straight ruler (100).

4. The stationery ruler convenient for entrainment according to claim 1, wherein said third slot (130) penetrates through said ruler (100) in a direction perpendicular to said ruler (100), a third limiting member (131) is fixedly connected to an inner wall of one end of said third slot (130), said third limiting member (131) is disposed around an edge of said third slot (130), and said protractor (400) abuts against said third limiting member (131) in a direction perpendicular to said ruler (100).

5. The easy-to-entrain stationery ruler according to any one of claims 1 to 4, wherein the protractor (400) is in the shape of an isosceles triangle, a semicircular through hole (410) is formed in the center of the bottom side of the protractor (400), angle scale marks (420) are arranged on the protractor (400), the angle scale marks (420) are arranged around the through hole (410), and the vertex angle of the protractor (400) is larger than 90 degrees.

6. The easy-to-entrain stationery ruler of claim 5 wherein said isosceles triangle (300) is in the shape of an equilateral triangle.

7. The stationery rule facilitating entrainment according to claim 6, characterized in that said right triangle (200) is in the shape of a right triangle, one of the legs of said right triangle (200) being longer than the other leg.

8. The easy-to-entrain stationery ruler according to claim 7, wherein the shorter one of the right-angle sides of said right-angle triangle (200) is equal in length to the side length of said isosceles triangle (300), and the longer one of the right-angle sides of said right-angle triangle (200) is equal in length to the bottom side of said protractor (400); one longer right-angle side of the right-angle triangular plate (200) is perpendicular to one side of the isosceles triangular plate (300), and one longer right-angle side of the right-angle triangular plate (200) is parallel to the bottom side of the protractor (400); the protractor (400) and the isosceles triangle (300) are positioned on the same side of the hypotenuse of the right triangle (200); the ruler (100) is rectangular, the bottom edge of the protractor (400) is parallel to one long edge of the ruler (100), the longer right-angle edge of the right-angle triangle (200) is parallel to the other long edge of the ruler (100), the shorter right-angle edge of the right-angle triangle (200) is parallel to one short edge of the ruler (100), and one edge of the isosceles triangle (300) is parallel to the other short edge of the ruler (100); one side of the isosceles triangle (300) is parallel to the hypotenuse of the right triangle (200), and one side of the protractor (400) is parallel to the hypotenuse of the right triangle (200).

9. The easy-to-entrain stationery ruler according to claim 1, wherein the first clamping groove (110) penetrates through the straight ruler (100) in a direction perpendicular to the straight ruler (100), a first limiting piece (111) is fixedly connected to an inner wall of one end of the first clamping groove (110), the first limiting piece (111) is arranged around an edge of the first clamping groove (110), and the right-angle triangular plate (200) abuts against the first limiting piece (111) in the direction perpendicular to the straight ruler (100); the second clamping groove (120) penetrates through the ruler (100) along a direction perpendicular to the ruler (100), a second limiting piece (121) is fixedly connected to the inner wall of one end of the second clamping groove (120), the second limiting piece (121) is arranged around the edge of the second clamping groove (120), and the isosceles triangle (300) is abutted to the second limiting piece (121) along the direction perpendicular to the ruler (100); the third clamping groove (130) penetrates through the ruler (100) along a direction perpendicular to the ruler (100), a third limiting piece (131) is fixedly connected to the inner wall of one end of the third clamping groove (130), the third limiting piece (131) is arranged around the edge of the third clamping groove (130), and the protractor (400) abuts against the third limiting piece (131) along the direction perpendicular to the ruler (100); the first locating part (111), the second locating part (121) and the third locating part (131) are located the coplanar, the thickness of first locating part (111), the thickness of second locating part (121) and the thickness of third locating part (131) are equal, the thickness of right angle set square (200), the thickness of isosceles set square (300) and the thickness of protractor (400) are greater than the thickness of first locating part (111) respectively, the thickness of right angle set square (200), the thickness of isosceles set square (300) and the thickness of protractor (400) are equal, the thickness of first locating part (111) with the sum of the thicknesses of right angle set square (200) is equal to the thickness of ruler (100).

10. The easy-to-entrain stationery rule according to claim 9, characterized in that the first card slot (110) has the same shape as the right triangle (200), the second card slot (120) has the same shape as the isosceles triangle (300), and the third card slot (130) has the same shape as the protractor (400).