CN218750046U

CN218750046U - Improved set square

Info

Publication number: CN218750046U
Application number: CN202223015046.XU
Authority: CN
Inventors: 林星含; 范泽平
Original assignee: Ningbo University
Current assignee: Ningbo University
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-28
Anticipated expiration: 2032-11-14

Abstract

An improved set square comprises a set square body, wherein three corners of the set square body are respectively 30 degrees, 60 degrees and 90 degrees, and three sides of the set square body are respectively a short right-angle side, a long right-angle side and a bevel side; a first connecting plate for connecting the bevel edge and the long right-angle edge of the triangular ruler body is arranged in the middle hollow structure of the triangular ruler body, and a first protruding holding part is arranged on the first connecting plate; a second connecting plate for connecting the short right-angle side and the first connecting plate is further arranged in the middle hollow structure of the triangular ruler body, and a convex second holding part is arranged on the second connecting plate; first handheld portion and second handheld portion are the strip structure, and the quadrature sets up. The utility model provides an improved generation set square has increased the structure that conveniently holds on the basis of traditional set square, has improved use comfort and efficiency greatly, has handled the three angle of set square simultaneously, has eliminated the potential safety hazard, and overall structure is pleasing to the eye simultaneously, distinguishes the degree height.

Description

Improved set square

Technical Field

The utility model belongs to teaching aid field, concretely relates to improved generation set square.

Background

The set square is a very common teaching tool, and especially in the teaching of mathematics courses of primary and secondary schools, teachers need to use the set square to draw pictures, draw lines and the like on a blackboard to explain courses and knowledge points.

The traditional set square for teaching is of a triangular structure formed by connecting three wood blocks or plastic blocks end to end, and the middle of the set square is generally of a hollow structure, so that the set square is convenient to hang. There are some aspects of this kind of set square that need improvement in the actual use. Such as: the triangular ruler is lack of a hand-holding structure, so that a teacher is inconvenient to take in the using process, and the drawing efficiency on a blackboard is affected. The following steps are repeated: traditional set square all is the stereoplasm structure, and its sharp corner portion is comparatively sharp, has certain potential safety hazard. The following steps are repeated: the appearance structure of traditional set square is rigid, and is pleasing to the eye inadequately, and the degree of distinguishing of a plurality of angles is not high.

Therefore, the present application provides a further structural improvement to the triangular rule based on some of the above problems.

SUMMERY OF THE UTILITY MODEL

To the not enough among the prior art, the utility model provides an improved generation set square has increased the structure that conveniently holds on the basis of traditional set square, has improved use comfort and efficiency greatly, has handled the three angle of set square simultaneously, has eliminated the potential safety hazard, and overall structure is pleasing to the eye simultaneously, distinguishes the degree height.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve.

An improved set square comprises a set square body, wherein three corners of the set square body are respectively 30 degrees, 60 degrees and 90 degrees, and three sides of the set square body are respectively a short right-angle side, a long right-angle side and a bevel side; a first connecting plate for connecting the bevel edge and the long right-angle edge of the triangular ruler body is arranged in the middle hollow structure of the triangular ruler body, and a first holding part which protrudes is arranged on the first connecting plate; a second connecting plate for connecting the short right-angle side and the first connecting plate is further arranged in the middle hollow structure of the triangular ruler body, and a convex second holding part is arranged on the second connecting plate; first handheld portion and the handheld portion of second are the bar structure, and the quadrature sets up.

Improved generation set square in this application on the basis of original set square, has set up two in middle hollow out construction and has held the portion, makes things convenient for the operation of holding, for example: the teacher can conveniently rule on the blackboard after holding the portion, raises the efficiency. Simultaneously in this application, the portion of holding of two quadrature settings makes things convenient for the mr to hold the set square from two different angles and rules the operation, and is very convenient.

In a preferred embodiment, the first holding portion and the second holding portion are made of arc-shaped protruding plastic structural parts, so that the structure is simple and the holding is convenient.

In a preferred embodiment, the inner angles in the middle hollow structure of the triangular ruler body are all arc structures, so that the triangular ruler is attractive in appearance, free of hand cutting feeling and convenient to hang.

In a preferred embodiment, the three corners of the triangular ruler body are sleeved with flexible glue structural members, the structure can greatly reduce the danger of the sharp corner structure of the triangular ruler, and the flexible glue structural members can be bent and deformed without hurting people even if the triangular ruler is pricked on the human body carelessly.

In a preferred embodiment, hard core pieces are arranged at three corners of the triangular ruler body, the soft rubber structural member is sleeved on the hard core pieces and forms an integral structure with the triangular ruler body, the strength of the inner core is high, the outer soft rubber can be deformed, the strength is guaranteed, and the potential safety hazard is greatly reduced.

In a preferred embodiment, the flexible glue structure can be dismantled, and three flexible glue structure has different colours, and can replace, and three angle has different colours, improves the aesthetic feeling of whole outward appearance and distinguishes the degree.

In a preferred embodiment, the soft glue structural part is a rubber part, and has a simple structure and low cost.

In a preferred embodiment, the side edge of the triangular ruler body is of a cambered surface structure, so that hands cannot be cut, and chalk can smoothly pass through the triangular ruler body.

In a preferred embodiment, a graduated scale is arranged on at least one of the three sides of the triangular ruler body.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides an improved generation set square, on the basis of traditional set square, increased the structure that conveniently holds, improved use comfort and efficiency greatly, handled the three angle of set square simultaneously, eliminated the potential safety hazard, overall structure is pleasing to the eye simultaneously, distinguishes the degree height.

Drawings

Fig. 1 is a schematic view of a triangular ruler of the present invention.

Fig. 2 is an enlarged view of the area a in fig. 1.

Fig. 3 is a schematic view of fig. 2 without the glue structure.

Figure 4 is a schematic view of one of the glue structures.

Fig. 5 is a side view of the triangular ruler of the present invention.

Fig. 6 is an internal structural view of the area B in fig. 5.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not construed as limiting the present invention, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it is to be understood that the term: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the drawing shows, just for the convenience of description the utility model discloses and simplified description, consequently can not be understood as the restriction of the utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. are to be understood broadly and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.

Referring to fig. 1 to 6, an improved set square in the present invention includes a set square body 1, three corners of the set square body 1 are respectively 30 °, 60 ° and 90 °, and three sides of the set square body 1 are respectively a short right-angle side, a long right-angle side and a bevel side; a first connecting plate 31 for connecting the bevel edge and the long right-angle edge of the triangular ruler body 1 is arranged in the middle hollow structure of the triangular ruler body 1, and a first holding part 41 which protrudes is arranged on the first connecting plate 31; a second connecting plate 32 for connecting the short right-angle side and the first connecting plate 31 is further arranged in the middle hollow structure of the triangular ruler body 1, and a convex second holding part 42 is arranged on the second connecting plate 32; the first and

second grip portions

41 and 42 are bar-shaped structures and are orthogonally disposed.

Specifically, in this application, the protruding plastic structure spare of first handheld portion 41 and second handheld portion 42 arc, simple structure, it is convenient to hold. In addition, in the application, the inner angles in the middle hollow structure of the triangular ruler body 1 are all arc structures 34, the appearance is attractive, the feeling of cutting hands is avoided, and the triangular ruler is convenient to hang.

In addition, as can be seen from the attached drawings, in the application, the soft rubber structural members 2 are sleeved on the three corners of the triangular ruler body 1, the danger of the sharp corner structure of the triangular ruler can be greatly reduced by the soft rubber structural members 2, and even if the triangular ruler is pricked on a human body carelessly, the soft rubber structural members 2 can be bent and deformed, and the phenomenon of hurting the human body can not occur. Specifically, three corners of the triangular ruler body 1 are provided with hard core pieces 12, the soft rubber structural members 2 are sleeved on the hard core pieces 12 and form an integral structure with the triangular ruler body 1, the strength of the inner core is high, the outer soft rubber can be deformed, the strength is guaranteed, and the potential safety hazard is greatly reduced.

Further, in an embodiment, flexible glue structure 2 can be dismantled, and three flexible glue structure 2 has different colours, and can replace, and three angle has different colours, improves the aesthetic feeling and the discernment degree of whole outward appearance. The soft rubber structural part 2 is a rubber part, and has simple structure and low cost.

In addition, in this application, the side of set square body 1 is ARC structure 18, can not cut the hand, and the chalk is drawn and is passed smoothly. At least one of the three sides of the triangular ruler body 1 is provided with a graduated scale 11.

Above description can be seen, improved generation set square in this application on the basis of original set square, has set up two in middle hollow out construction and has held the portion, makes things convenient for to hold the operation, for example: the teacher can conveniently rule on the blackboard after holding the portion, raises the efficiency. Simultaneously in this application, the portion of holding of two quadrature settings makes things convenient for the mr to hold the set square from two different angles and rules the operation, and is very convenient.

More than, the utility model provides an improved generation set square has increased the structure of conveniently holding on traditional set square's basis, has improved use comfort and efficiency greatly, has handled the three angle of set square simultaneously, has eliminated the potential safety hazard, and overall structure is pleasing to the eye simultaneously, distinguishes the degree height.

The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.

Claims

1. An improved set square comprises a set square body (1), wherein three corners of the set square body (1) are respectively 30 degrees, 60 degrees and 90 degrees, and three sides of the set square body (1) are respectively a short right-angle side, a long right-angle side and a bevel side;

the method is characterized in that:

a first connecting plate (31) for connecting the bevel edge and the long right-angle edge of the triangular ruler body (1) is arranged in the middle hollow structure of the triangular ruler body (1), and a first protruding holding part (41) is arranged on the first connecting plate (31);

a second connecting plate (32) for connecting the short right-angle side and the first connecting plate (31) is further arranged in the middle hollow structure of the triangular ruler body (1), and a protruding second holding part (42) is arranged on the second connecting plate (32);

the first holding part (41) and the second holding part (42) are of strip-shaped structures and are arranged orthogonally;

the first holding part (41) and the second holding part (42) are arc-shaped and protruded plastic structural parts;

inner angles in the middle hollow structure of the triangular ruler body (1) are all arc structures (34);

the three corners of the triangular ruler body (1) are sleeved with flexible glue structural parts (2);

hard core pieces (12) are arranged at three corners of the triangular ruler body (1), and the soft rubber structural part (2) is sleeved on the hard core pieces (12) and forms an integral structure with the triangular ruler body (1);

the soft rubber structural parts (2) are detachable, and the three soft rubber structural parts (2) have different colors;

the soft rubber structural part (2) is a rubber part;

the side edge of the triangular ruler body (1) is of an arc surface structure (18);

at least one of the three sides of the triangular ruler body (1) is provided with a graduated scale (11).