CN216401032U

CN216401032U - A novel teaching aid for mathematical education

Info

Publication number: CN216401032U
Application number: CN202121139985.8U
Authority: CN
Inventors: 赵帆远
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-04-29
Anticipated expiration: 2031-05-26

Abstract

The utility model relates to a novel teaching aid for mathematical education, which comprises a ruler body (1), a vernier (3), a pen clip (4) and a sucker (5), wherein the ruler body (1) is provided with scale marks (2), and the sucker (5) is arranged at the bottom of one side of the ruler body (1); a through groove is formed in the ruler body (1), two sliding plates (6) are arranged in the through groove, the two sliding plates (6) are transversely arranged in the through groove and are parallel to each other, and a gap (7) is formed between the two sliding plates (6) for the vernier (3) to move; the vernier (3) is clamped in a gap (7) between the two sliding plates (6), and the pen clip (4) is used for fixing a chalk and is fixedly connected to the bottom of the vernier (3). The utility model aims to provide a novel teaching aid for mathematical education, which has the functions of a ruler and compasses.

Description

A novel teaching aid for mathematical education

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a novel teaching aid for mathematical teaching.

Background

In the teaching activities of teachers, such as classes of mathematics and physics, teachers need to draw circles on a blackboard or a whiteboard for teaching indication purposes, and in order to draw more accurately, circles are drawn by means of teaching rulers and compasses in an auxiliary mode.

The existing blackboard is mostly an iron blackboard, and the traditional compasses with iron points can not be used on the iron blackboard. Meanwhile, in order to draw a circle with a specified size, a teacher needs to determine the radius of two points, namely the circle, by using the ruler, and then draw the circle by using the compasses. This method of drawing circles requires the use of two tools, which is cumbersome.

SUMMERY OF THE UTILITY MODEL

In view of the current situation of the prior art, the utility model aims to provide a novel teaching aid for mathematical education, which has the functions of a ruler and compasses.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a novel teaching aid for mathematical education comprises a ruler body, a vernier, a pen clip and a sucker, wherein the ruler body is provided with scale marks, and the sucker is arranged at the bottom of one side of the ruler body; a through groove is formed in the ruler body, two sliding plates are arranged in the through groove, the two sliding plates are transversely arranged in the through groove and are parallel to each other, and a gap is formed between the two sliding plates for the vernier to move; the vernier is clamped in a gap between the two sliding plates, and the pen clip is used for fixing chalk and is fixedly connected to the bottom of the vernier.

Preferably, the ruler body corresponds the sucking disc and is provided with a through hole, the sucking disc is provided with an attraction part, one end of the sucking disc, which is far away from the attraction part, is provided with a shaft lever, and the shaft lever and the through hole are in clearance fit so that the ruler body can rotate relative to the shaft lever.

Preferably, the whole vernier is a cylinder, the vernier comprises an action part and a clamping part which are mutually connected, sliding grooves are respectively formed in two sides of the clamping part corresponding to the two sliding plates, and the clamping part is clamped with the sliding plates through the sliding grooves; the acting part protrudes out of the clamping part.

Preferably, the pen clip is fixed below the clamping portion and provided with a slot for fixing the chalk.

Preferably, the top of the action part is provided with a convex strip.

Preferably, an arrow mark is arranged on one side of the acting part close to the scale mark.

Preferably, a handle is arranged on one side, far away from the sucker, of the ruler body.

Preferably, a horizontal bubble is further installed in the ruler body.

Preferably, a groove is formed in the end face, far away from one side of the sucker, of the ruler body.

Preferably, the pen clip is adhered to the cursor.

The novel teaching aid for mathematical education, which is provided by the technical scheme of the utility model, is a ruler body, and meanwhile, the ruler body is provided with a sucker, a shaft lever, a vernier and a pen clip. When the novel teaching aid is used as a ruler, the sucker is taken down, and the straight line distance or the straight line can be measured by using the ruler body; when the chalk clip is used as a compasses, the suction surface of the suction cup is used for sucking the circle center of a circle, the radius is determined, the vernier is moved to the radius position by using the scale marks, and then the chalk is inserted into the slot of the pen clip. When drawing a circle, the shaft lever is used as a rotating shaft to enable the ruler body to rotate, and the trajectory of the chalk rotating by 360 degrees is even a circle.

Drawings

Fig. 1 is a schematic structural diagram of a novel teaching aid for mathematical education provided by an embodiment of the utility model;

FIG. 2 is a schematic cross-sectional view of a novel teaching aid for teaching mathematics, which is provided by an embodiment of the utility model;

fig. 3 is a schematic cross-sectional view of a cursor on the novel teaching aid for mathematical education according to the embodiment of the present invention;

FIG. 4 is a schematic structural view of a suction cup and shaft provided by an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a cursor according to an embodiment of the present invention.

Reference numerals: 1-a ruler body; 2-graduation line; 3-a cursor; 4-a pen clip; 5, a sucker; 6, a sliding plate; 7-clearance; 8-a suction part; 9-shaft lever; 10-an action part; 11-a snap-in part; 12-a chute; 13-a slot; 14-convex strips; 15-arrow mark; 16-a handle; 17-horizontal bubble; 18-grooves.

Detailed Description

The present invention is further illustrated by the following examples, which are not intended to limit the utility model to these embodiments. It will be appreciated by those skilled in the art that the present invention encompasses all alternatives, modifications and equivalents as may be included within the scope of the claims.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

As shown in fig. 1 to 5, this embodiment shows a novel teaching aid for mathematical education, including ruler body 1, ruler body 1 has scale mark 2.

The ruler further comprises a vernier 3, a pen clip 4 and a sucker 5, wherein the sucker 5 is arranged at the bottom of one side of the ruler body 1; a through groove is formed in the ruler body 1, two sliding plates 6 are arranged in the through groove, the two sliding plates 6 are transversely arranged in the through groove and are parallel to each other, and a gap 7 is formed between the two sliding plates 6 for the movement of the vernier 3; the vernier 3 is clamped in a gap 7 between the two sliding plates 6, and the pen clip 4 is used for fixing chalk and is fixedly connected to the bottom of the vernier 3.

The ruler body 1 corresponds the sucking disc 5 and has been seted up the through-hole, the sucking disc 5 has actuation portion 8, the sucking disc 5 is kept away from the one end of actuation portion 8 is provided with axostylus axostyle 9, axostylus axostyle 9 with through-hole clearance 7 cooperation makes ruler body 1 can be relative axostylus axostyle 9 rotates.

In this embodiment, the ruler body 1 has the scale marks 2, and can function as a ruler in a daily teaching classroom. And a vernier 3, a pen clip 4 and a sucker 5 are also arranged. When the chalk clip is used as a compasses, the suction surface of the suction cup 5 is used for sucking the circle center of a circle, the radius is determined, the vernier 3 is moved to the radius position by using the scale mark 2, and then the chalk is inserted into the slot 13 of the pen clip 4. When drawing a circle, the shaft lever 9 is used as a rotating shaft to enable the ruler body 1 to rotate, and the trajectory of the 360-degree chalk is rotated to be a circle.

Furthermore, the whole cursor 3 is a cylinder, the cursor 3 comprises an acting part 10 and a clamping part 11 which are connected with each other, two sides of the clamping part 11 are respectively provided with a sliding groove 12 corresponding to the two sliding plates 6, and the clamping part 11 is clamped with the sliding plates 6 through the sliding grooves 12; the acting part 10 is arranged to protrude from the clamping part 11.

In the above structure, the cursor 3 is clamped with the sliding plate 6 through the sliding slot 12 of the clamping portion 11 to realize the movable arrangement of the cursor 3 on the ruler body 1. The action part 10 is provided for a user, and the cursor 3 moves left and right on the ruler body 1 by directly acting on the action part 10 through hands.

Further, the pen clip 4 is fixed below the clamping portion 11, and the pen clip 4 has a slot 13 for fixing chalk. In the structure, the pen clip 4 can be adhered to the vernier 3, namely, adhered below the clamping part 11.

More specifically, the top of the action part 10 is provided with a convex strip 14; an arrow mark 15 is arranged on one side of the action part 10 close to the scale mark 2. The function of the rib 14 and the function of the arrow mark 15 are both to align the graduation mark 2.

Furthermore, one side of the ruler body 1, which is far away from the sucker 5, is provided with a handle 16, so that when a circle is drawn, the ruler body 1 can be rotated through the handle, and a chalk under the pen clip 4 can draw a circle.

More specifically, in the embodiment, a horizontal bubble 17 is further installed in the straightedge body 1. A reference with a horizontal bubble 17 when in use may better draw a horizontal straight line. A groove 18 is formed in the end face of the ruler body 1, which is far away from one side of the sucker 5. When a circle is drawn, the ruler body 1 can be rotated through the groove 18, so that the chalk below the pen clip 4 draws a circle.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a novel teaching aid for mathematical education, includes ruler body (1), ruler body (1) has scale mark (2), its characterized in that: the ruler further comprises a vernier (3), a pen clip (4) and a sucker (5), wherein the sucker (5) is arranged at the bottom of one side of the ruler body (1); a through groove is formed in the ruler body (1), two sliding plates (6) are arranged in the through groove, the two sliding plates (6) are transversely arranged in the through groove and are parallel to each other, and a gap (7) is formed between the two sliding plates (6) for the vernier (3) to move; the vernier (3) is clamped in a gap (7) between the two sliding plates (6), and the pen clip (4) is used for fixing a chalk and is fixedly connected to the bottom of the vernier (3).

2. A novel teaching aid for mathematical education as claimed in claim 1, wherein: the ruler body (1) corresponds the through hole is opened in the sucking disc (5), the sucking disc (5) has an attraction part (8), one end of the sucking disc (5) far away from the attraction part (8) is provided with a shaft lever (9), and the shaft lever (9) is matched with the through hole to enable the ruler body (1) to be opposite to the shaft lever (9) to rotate.

3. A novel teaching aid for mathematical education as claimed in claim 1, wherein: the vernier (3) is integrally cylindrical, the vernier (3) comprises an acting part (10) and a clamping part (11) which are connected with each other, sliding grooves (12) are respectively formed in two sides of the clamping part (11) corresponding to the two sliding plates (6), and the clamping part (11) is clamped with the sliding plates (6) through the sliding grooves (12); the acting part (10) is arranged to protrude out of the clamping part (11).

4. A novel teaching aid for mathematical education as claimed in claim 3, wherein: the pen clip (4) is fixed below the clamping portion (11), and the pen clip (4) is provided with a slot (13) for fixing chalk.

5. A novel teaching aid for mathematical education as claimed in claim 3, wherein: the top of the action part (10) is provided with a convex strip (14).

6. A novel teaching aid for mathematical education as claimed in claim 3, wherein: an arrow mark (15) is arranged on one side of the action part (10) close to the scale mark (2).

7. A novel teaching aid for mathematical education as claimed in claim 1, wherein: and a handle (16) is arranged on one side of the ruler body (1) far away from the sucker (5).

8. A novel teaching aid for mathematical education as claimed in claim 1, wherein: a horizontal bubble (17) is further installed in the ruler body (1).

9. A novel teaching aid for mathematical education as claimed in claim 1, wherein: a groove (18) is formed in the end face, far away from one side of the sucker (5), of the ruler body (1).

10. A novel teaching aid for mathematical education as claimed in claim 4, wherein: the pen clip (4) is bonded with the vernier (3).