CN211592005U

CN211592005U - Multifunctional ruler for mathematical education

Info

Publication number: CN211592005U
Application number: CN201922310213.5U
Authority: CN
Inventors: 刘娟
Original assignee: Shenyang University
Current assignee: Shenyang University
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-29
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a multifunctional ruler for mathematical education, which comprises a ruler body a; the ruler body a is fixedly provided with ruler bodies b on the front side and the rear side, scales are arranged on the bottom sides of the ruler bodies b, a supporting rod is connected to the left side of the bottom end of the ruler body a in a penetrating mode, a connecting rod is fixedly arranged on the right side of the supporting rod, the top end of the connecting rod is fixedly connected with the right side of the ruler body a, and the supporting rod is movably connected with the connecting block through a bearing of the top side outer ring. The utility model discloses a magnetic sheet an and magnetic sheet b that set up, be convenient for according to the demand, when needs draw the circle, can magnetic sheet a be the basic point, and insert the chalk in the slot, then rotate chi body an through branch, accomplish the operation of drawing the circle, when drawing the straight line, then accessible rotary threaded rod a, impel magnetic sheet b, cooperation magnetic sheet a uses, make magnetic sheet a and magnetic sheet b adsorb on the blackboard simultaneously, thereby keep the stability of this ruler, be favorable to reducing the power that the teacher executed when using this ruler, and is comparatively practical, and is suitable for extensively promoting and using.

Description

Multifunctional ruler for mathematical education

Technical Field

The utility model relates to a ruler specifically is a multi-functional ruler is used in mathematical education.

Background

Mathematics is a subject of studying concepts such as quantity, structure, change, space and information, and belongs to a form science from a certain angle, and teachers generally need to be equipped with rulers to draw and give lessons in the process of mathematical education.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: when a teacher gives lessons on a blackboard for drawing, different drawing tools such as a drawing ruler, compasses and the like need to be used, and the teacher needs to apply strength and press the drawing ruler to draw relatively accurate drawing during drawing, so that the operation is extremely troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional ruler is used in mathematics teaching has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional ruler for mathematical education comprises a ruler body a;

the ruler body b is fixedly installed on the front side and the rear side of the ruler body a, scales are arranged on the bottom sides of the two ruler bodies b, a supporting rod penetrates through the left side of the bottom end of the ruler body a, a connecting rod is fixedly installed on the right side of the supporting rod, the top end of the connecting rod is fixedly connected with the right side of the ruler body a, the supporting rod is movably connected with a connecting block through a bearing on the outer ring of the top side, a magnetic plate a is fixedly installed on the top end of the connecting block, and a slot is formed in the right side of the bottom;

the middle end of the bottom end of the ruler body a is provided with a threaded hole a, the threaded hole a extends to the top side of the ruler body a, the threaded hole a is spirally connected with a threaded rod a, the bottom end of the threaded rod a is fixedly provided with a torsion bar a, and the top end of the threaded rod a is fixedly provided with a magnetic plate b.

As a preferred embodiment of the utility model, threaded hole b and threaded hole b's left side is seted up on chi body a's right side extends to slot right side wall, threaded hole b goes up threaded connection has threaded rod b, threaded rod b's right side fixed mounting has torsion bar b.

As a preferred embodiment of the present invention, the bottom end of the supporting rod is fixedly installed with a torsion bar c.

As a preferred embodiment of the utility model, the ruler body a and the two ruler bodies b are made of plastic.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a multi-functional ruler is used in mathematical education, through magnetic sheet an and the magnetic sheet b that sets up, be convenient for according to the demand, when needs drawing the circle, can magnetic sheet a be the basic point, and insert the chalk in the slot, then rotate ruler body an through branch, accomplish the operation of drawing the circle, when drawing the straight line, then accessible rotary threaded rod an, impel magnetic sheet b, cooperation magnetic sheet a uses, make magnetic sheet a and magnetic sheet b adsorb simultaneously on the blackboard, thereby keep the stability of this ruler, be favorable to reducing the power of exerting when the teacher uses this ruler, and is comparatively convenient.

2. The utility model relates to a multi-functional ruler is used in mathematical education because threaded rod b's right side fixed mounting has torsion bar b, is convenient for through rotatory torsion bar b, makes threaded rod b and screw hole b screwed connection to make threaded rod b's left end fixed the chalk, it is comparatively convenient.

3. The utility model relates to a multi-functional ruler is used in mathematical education because the bottom fixed mounting of branch has torsion bar c, is convenient for rotate branch or to the chi body an application of force through torsion bar c to stabilize chi body an.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of the multifunctional ruler for mathematics teaching of the present invention;

FIG. 2 is a side view of the multifunctional ruler for mathematics teaching of the present invention;

fig. 3 is a bottom schematic view of the ruler body b of the multifunctional ruler for mathematics teaching of the present invention.

In the figure: the ruler comprises a ruler body a1, a connecting block 2, a magnetic plate a3, a bearing 4, a magnetic plate b5, a threaded rod a6, a slot 7, a threaded hole b8, a torsion bar b9, a threaded rod b10, a threaded hole a11, a torsion bar a12, a connecting rod 13, a torsion bar c14, a supporting rod 15, a ruler body b16 and scales 17.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following 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.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a multifunctional ruler for mathematics teaching comprises a ruler body a 1;

ruler bodies b16 are fixedly mounted on the front side and the rear side of the ruler body a1, scales 17 are arranged on the bottom sides of the two ruler bodies b16, a supporting rod 15 penetrates through the left side of the bottom end of the ruler body a1, a connecting rod 13 is fixedly mounted on the right side of the supporting rod 15, the top end of the connecting rod 13 is fixedly connected with the right side of the ruler body a1, the supporting rod 15 is movably connected with a connecting block 2 through a bearing 4 on the outer ring of the top side, a magnetic plate a3 is fixedly mounted on the top end of the connecting block 2, and a slot 7 is formed in the right side of the bottom end of the ruler;

the middle end of the bottom end of the ruler body a1 is provided with a threaded hole a11, a threaded hole a11 extends to the top side of the ruler body a1, the threaded hole a11 is spirally connected with a threaded rod a6, the bottom end of the threaded rod a6 is fixedly provided with a torsion bar a12, and the top end of the threaded rod a6 is fixedly provided with a magnetic plate b 5.

In this embodiment (as shown in fig. 1, 2 and 3), through magnetic sheet a and magnetic sheet b that set up, be convenient for according to the demand, when needs draw the circle, can be magnetic sheet a3 as the basic point, and insert the chalk in slot 7, then rotate ruler body a1 through branch 15, accomplish the operation of drawing the circle, when drawing the straight line, then accessible rotation threaded rod a6, impel magnetic sheet b5, cooperation magnetic sheet a3 uses, make magnetic sheet a3 and magnetic sheet b5 adsorb on the blackboard simultaneously, thereby keep the stability of this ruler, be favorable to reducing the power that the teacher used when using this ruler, it is comparatively convenient.

In this embodiment (please refer to fig. 1), the right side of the ruler body a1 is provided with a threaded hole b8, the left side of the threaded hole b8 extends to the right side wall surface of the slot 7, the threaded hole b8 is spirally connected with a threaded rod b10, and the right side of the threaded rod b10 is fixedly provided with a torsion bar b9, so that the threaded rod b10 and the threaded hole b8 are spirally connected by rotating the torsion bar b9, and the chalk is fixed at the left end of the threaded rod b10 conveniently.

In this embodiment (see fig. 1), torsion bar c14 is fixedly mounted at the bottom end of the supporting rod 15, so that the supporting rod 15 is rotated by torsion bar c14 or the force is applied to the ruler body a1 by torsion bar c14, thereby stabilizing the ruler body a 1.

In this embodiment (please refer to fig. 1 and 2), the ruler body a1 and the two ruler bodies b16 are made of plastic, so that the positions pressed by the ruler body a1 and the ruler body b16 can be conveniently checked.

It should be noted that the utility model relates to a multifunctional ruler for mathematical education, including ruler body a1, connecting block 2, magnetic plate a3, bearing 4, magnetic plate b5, threaded rod a6, slot 7, threaded hole b8, torsion bar b9, threaded rod b10, threaded hole a11, torsion bar a12, connecting rod 13, torsion bar c14, supporting rod 15, ruler body b16, scale 17, all of which are universal standard parts or parts known by those skilled in the art, the structure and principle of which are known by technical manuals or known by routine experimental methods, when working, when needing to draw a circle, magnetic plate a3 is used as a base point, and the chalk is inserted into slot 7, then by rotating torsion bar b9, threaded rod b10 is spirally connected with threaded hole b8, so that the left end of b10 fixes the chalk, then by drawing supporting rod 15 to rotate ruler body a1, complete circle operation, when drawing a straight line, the magnetic plate b5 can be pushed by rotating the threaded rod a6 to be matched with the magnetic plate a3 for use, so that the magnetic plate a3 and the magnetic plate b5 can be simultaneously adsorbed on the blackboard, the stability of the ruler is kept, the force applied by teachers when using the ruler is favorably reduced, and the ruler only provides a circle drawing function and cannot adjust the size of a circle.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multifunctional ruler for mathematical education is characterized by comprising a ruler body a (1);

the ruler body b (16) is fixedly mounted on the front side and the rear side of the ruler body a (1), scales (17) are arranged on the bottom sides of the two ruler bodies b (16), a supporting rod (15) penetrates through the left side of the bottom end of the ruler body a (1), a connecting rod (13) is fixedly mounted on the right side of the supporting rod (15), the top end of the connecting rod (13) is fixedly connected with the right side of the ruler body a (1), the supporting rod (15) is movably connected with the connecting block (2) through a bearing (4) on the outer ring of the top side, a magnetic plate a (3) is fixedly mounted on the top end of the connecting block (2), and a slot (7) is formed in the right side of the bottom end of the ruler;

the bottom end middle end of the ruler body a (1) is provided with a threaded hole a (11), the threaded hole a (11) extends to the top side of the ruler body a (1), the threaded hole a (11) is connected with a threaded rod a (6) in a spiral mode, the bottom end of the threaded rod a (6) is fixedly provided with a torsion bar a (12), and the top end of the threaded rod a (6) is fixedly provided with a magnetic plate b (5).

2. The multifunctional ruler for mathematics teaching as claimed in claim 1, wherein: the right side of the ruler body a (1) is provided with a threaded hole b (8), the left side of the threaded hole b (8) extends to the right side wall surface of the slot (7), the threaded hole b (8) is spirally connected with a threaded rod b (10), and the right side of the threaded rod b (10) is fixedly provided with a torsion bar b (9).

3. The multifunctional ruler for mathematics teaching as claimed in claim 1, wherein: and a torsion bar c (14) is fixedly arranged at the bottom end of the support rod (15).

4. The multifunctional ruler for mathematics teaching as claimed in claim 1, wherein: the ruler body a (1) and the two ruler bodies b (16) are both made of plastics.