CN215244048U

CN215244048U - Multifunctional primary school mathematics teaching aid

Info

Publication number: CN215244048U
Application number: CN202120630954.6U
Authority: CN
Inventors: 孔令静
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-21
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a belong to mathematics teaching aid technical field, specifically be a multi-functional primary school's mathematics teaching aid, it includes drawing rule, compasses pole and set square, the bottom of drawing rule is provided with the compasses needle, the top fixed mounting of drawing rule has the dead lever, compasses pole fixed mounting is at the top of drawing rule, the right side wall fixed mounting of compasses pole has the chalk frame, the lateral wall of chalk frame is provided with adjusting bolt, set square fixed mounting is in the bottom of drawing rule, in this application file, can be convenient for the mr use different teaching aids to map on the blackboard when teaching, and convenient operation saves the time that the mr seeks the teaching aid, has improved mr's teaching effect, and portable prevents to lose.

Description

Multifunctional primary school mathematics teaching aid

Technical Field

The utility model relates to a mathematics teaching aid technical field specifically is a multi-functional primary school mathematics teaching aid.

Background

Primary school mathematics is through the teaching material, the understanding of teaching children about the number, the arithmetic of four fundamental rules, the computational formula of figure and length, a series of knowledge of unit conversion, good mathematics basis is laid down for junior middle school and daily life's calculation, in the prior art, primary school mathematics mr can use different teaching aids to carry out the mapping on the blackboard when teaching, current device single structure, complex operation, and because the teaching aid is too much, inconvenient carrying, lose easily.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the above and/or problems existing in the prior mathematics teaching aid, the utility model discloses a teaching aid has been proposed.

Therefore, the utility model aims at providing a multi-functional primary school mathematics teaching aid, the teacher of can being convenient for uses different teaching aids to carry out the mapping on the blackboard when the teaching, and convenient operation saves the time that the teacher looked for the teaching aid, has improved teacher's teaching effect, and portable prevents to lose.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the utility model provides a multi-functional primary school's mathematics teaching aid, includes drawing rule, compasses pole and set square, the bottom of drawing rule is provided with the compasses needle, the top fixed mounting of drawing rule has the dead lever, compasses pole fixed mounting is at the top of drawing rule, the right side wall fixed mounting of compasses pole has the chalk frame, the lateral wall of chalk frame is provided with adjusting bolt, set square fixed mounting is in the bottom of drawing rule, the protractor is installed to the embedded of set square, all seted up the mounting hole on drawing rule, compasses pole and the set square, the rotation axis is installed in the embedding in the mounting hole, the rotation axis rotates with drawing rule, compasses pole and set square to be connected.

As a multi-functional primary school mathematics teaching aid an preferred scheme, wherein: the angle gauge is provided with angle scales, and the drawing rule is provided with right-angle scales.

As a multi-functional primary school mathematics teaching aid an preferred scheme, wherein:

the two ends of the rotating shaft are provided with shaft sleeves, and the shaft sleeves are in threaded connection with the two ends of the rotating shaft.

As a multi-functional primary school mathematics teaching aid an preferred scheme, wherein: the top fixed mounting of dead lever has handrail, the lateral wall of handrail is glued and is installed the skid resistant course.

As a multi-functional primary school mathematics teaching aid an preferred scheme, wherein: chalk ends are embedded in the chalk holder, and the drawing rule is provided with a triangle, a square and a circle.

Compared with the prior art: among the prior art, primary school's mathematics mr can use different teaching aids to map on the blackboard when teaching, current device single structure, complex operation, and because the teaching aid is too much, inconvenient carrying, lose easily, in this application file, the mr of can being convenient for uses different teaching aids to map on the blackboard when teaching, convenient operation saves the time that the mr seeked the teaching aid, improved mr's teaching effect, portable prevents to lose.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic structural view of a multifunctional primary school mathematics teaching aid of the utility model;

fig. 2 is a schematic view of a hand bar of the multifunctional primary school mathematics teaching aid of the utility model;

fig. 3 is the utility model relates to a rotation axis schematic diagram of multi-functional primary school's mathematics teaching aid.

In the figure: 100 drawing rules, 110 compasses needles, 120 fixing rods, 200 compasses rods, 210 chalk holders, 220 adjusting bolts, 300 set squares, 310 protractors, 320 rotating shafts, 400 angle scales, 410 right-angle scales, 500 shaft sleeves, 600 handrails, 610 anti-slip layers and 700 chalk heads.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a multi-functional primary school mathematics teaching aid, please refer to fig. 1-3, including drawing rule 100, compasses pole 200 and set square 300, the bottom of drawing rule 100 is provided with compasses needle 110, the top fixed mounting of drawing rule 100 has dead lever 120, compasses pole 200 is fixed mounting at the top of drawing rule 100, the right side wall fixed mounting of compasses pole 200 has chalk holder 210, the lateral wall of chalk holder 210 is provided with adjusting bolt 220, set square 300 is fixed mounting at the bottom of drawing rule 100, set square 300 embeds installs protractor 310, all seted up the mounting hole on drawing rule 100, compasses pole 200 and set square 300, the embedding installs rotation axis 320 in the mounting hole, rotation axis 320 and drawing rule 100, compasses pole 200 and set square 300 rotate to be connected, concretely, drawing rule 100 is used for drawing different geometric figure, compasses needle 110 is used for fixing circular central point, the compasses rod 200 is used for adjusting the angle, the chalk holder 210 is used for placing the chalk head 700, the adjusting bolt 220 is used for conveniently disassembling and installing the chalk head 700, the triangular ruler 300 is used for drawing a triangle, the protractor 310 is used for measuring the angle of the drawing graph, the drawing ruler 100, the compasses rod 200 and the triangular ruler 300 are rotatably connected through the rotating shaft 320, the operation is convenient, a teacher supports the compasses needle 110 on the blackboard, the compasses rod 200 is operated through the rotating shaft 320, the angle between the compasses rod 200 and the drawing ruler 100 is adjusted according to the requirement, the drawing graph is drawn by using the chalk head 700, the chalk head 700 in the chalk holder 210 is replaced through the adjusting bolt 220, the operation is convenient, the position of the triangular ruler 300 is adjusted through the rotating shaft 320, the triangle is drawn by using the triangular ruler 300, the angle value of the drawing graph is measured by using the protractor 310, the teacher can conveniently use different blackboards to draw graphs during teaching, convenient operation saves the time that the mr looked for the teaching aid, has improved mr's teaching effect, and portable prevents to lose.

Referring to fig. 1 and 2, the angle scale 400 is disposed on the protractor 310, and the right angle scale 410 is disposed on the drawing rule 100, and specifically, the angle scale 400 and the right angle scale 410 are used for conveniently observing the measured angle value, thereby facilitating the operation.

Referring to fig. 3, the shaft sleeves 500 are disposed at two ends of the rotating shaft 320, and the shaft sleeves 500 are in threaded connection with the two ends of the rotating shaft 320.

Referring to fig. 1, 2 and 3, a handrail 600 is fixedly installed at the top of the fixing rod 120, an anti-slip layer 610 is adhesively installed on the side wall of the handrail 600, specifically, the handrail 600 is used for facilitating the manual operation of the device by a teacher, and the anti-slip layer 610 is used for facilitating the teacher to take the handrail 600.

Referring to fig. 1 and 2 again, the chalk holder 210 is embedded with the chalk end 700, and the drawing ruler 100 is provided with a triangle, a square and a circle, specifically, the chalk end 700 is used for drawing figures, thereby facilitating the use.

In specific use, the mr supports the compasses needle 110 and goes into fixedly on the blackboard, operate compasses pole 200 through rotation axis 320, adjust the angle between compasses pole 200 and the drawing rule 100 according to the demand, use chalk end 700 to draw the figure, the drawing rule 100, compasses pole 200 and set square 300 rotate through rotation axis 320 and connect, use adjusting bolt 220 to change chalk end 700 in the chalk frame 210, adjust the position of set square 300 through rotation axis 320, use set square 300 to draw triangle-shaped, use protractor 310 to measure the angle value of drawing the figure, use drawing rule 100 to draw the geometric figure.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a multi-functional primary school mathematics teaching aid which characterized in that: comprises a drawing rule (100), a compasses rod (200) and a set square (300), wherein the bottom of the drawing rule (100) is provided with a compass needle (110), the top of the drawing rule (100) is fixedly provided with a fixed rod (120), the compasses rod (200) is fixedly arranged on the top of the drawing rule (100), a chalk holder (210) is fixedly arranged on the right side wall of the compass rod (200), an adjusting bolt (220) is arranged on the side wall of the chalk holder (210), the set square (300) is fixedly arranged at the bottom of the drawing rule (100), the protractor (310) is embedded and arranged in the set square (300), the drawing ruler (100), the compass rod (200) and the set square (300) are all provided with mounting holes, the rotation axis (320) is installed in the mounting hole in an embedding manner, and the rotation axis (320) is rotatably connected with the drawing rule (100), the compass rod (200) and the triangular rule (300).

2. A multi-functional primary school mathematics teaching aid according to claim 1, characterized in that: the angle gauge (310) is provided with angle scales (400), and the drawing rule (100) is provided with right-angle scales (410).

3. A multi-functional primary school mathematics teaching aid according to claim 1, characterized in that: the two ends of the rotating shaft (320) are provided with shaft sleeves (500), and the shaft sleeves (500) are in threaded connection with the two ends of the rotating shaft (320).

4. A multi-functional primary school mathematics teaching aid according to claim 1, characterized in that: the top fixed mounting of dead lever (120) has handrail (600), the lateral wall cementing of handrail (600) installs skid resistant course (610).

5. A multi-functional primary school mathematics teaching aid according to claim 1, characterized in that: the chalk end (700) is embedded and installed in the chalk holder (210), and the drawing rule (100) is provided with a triangle, a square and a circle.