CN211138829U - Mathematics learning auxiliary device - Google Patents

Abstract

The utility model discloses a mathematics learning auxiliary device, including fixed straight board and activity straight board, the bottom of fixed straight board is equipped with logical groove, and logical inslot is equipped with the activity straight board, the fixed dwang that is equipped with in upper end of activity straight board, the dwang runs through fixed straight board, the outside cover of dwang is equipped with the angular surveying dish, and the angular surveying dish is fixed to be set up on fixed straight board, the tip of dwang be equipped with the first pointer of angular surveying dish complex, the tip of fixed straight board be equipped with the first fixing bolt of dwang complex, be equipped with drawing device in the activity straight board, the utility model discloses the setting of dwang for when rotatory activity straight board, the first pointer of dwang tip can correspond the angle on the angular surveying dish, thereby conveniently draw the straight line of different angles, convenient to use.

Description

Mathematics learning auxiliary device

Technical Field

The utility model relates to an appurtenance technical field is used in mathematics study, specifically is a mathematics study auxiliary device.

Background

Mathematics is as the main course of student's era it has important effect in whole academic course, wherein at mathematics learning's in-process, need draw, and adopt simple ruler, instrument such as set-square draw usually when drawing the figure, drawing efficiency is lower, thereby lead to the student to be occupied by drawing when doing the homework a large amount of time, thereby study efficiency when seriously influencing the student and do the homework, and present drawing tool function is single relatively, need the conversion drawing tool of making a round trip when drawing the figure, will put a plurality of drawing tools on the desktop when leading to drawing, article are put the confusion on the desktop during making the homework, influence whole learning process, it can't satisfy people's demand more effectively to show current mathematical education equipment, for this the utility model provides a mathematical learning auxiliary device is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mathematics learning auxiliary device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mathematics learning auxiliary device, includes fixed straight board and activity straight board, the bottom of fixed straight board is equipped with logical groove, and leads to the inslot and be equipped with the activity straight board, the fixed dwang that is equipped with in upper end of activity straight board, the dwang runs through fixed straight board, the outside cover of dwang is equipped with the angle measurement dish, and the angle measurement dish is fixed to be set up on fixed straight board, the tip of dwang be equipped with angle measurement dish complex first pointer, the tip of fixed straight board be equipped with dwang complex first fixing bolt, be equipped with drawing device in the activity straight board.

And the movable straight plate and the fixed straight plate are both provided with graduated scales.

The movable straight plate is flush with the bottom of the fixed straight plate.

The drawing device comprises drawing blocks, a movable groove, a threaded rod, a handle and a second fixing bolt, the movable groove is formed in the movable straight plate, the threaded rod is arranged in the movable groove, the drawing blocks are connected to the threaded rod in a threaded mode, the drawing blocks are arranged in the movable groove in a sliding mode, the second fixing bolt is arranged on the drawing blocks, a second pointer is arranged on the drawing blocks, the handle is arranged at the end portion of the threaded rod, and the handle is arranged on one side of the movable straight plate.

The drawing block comprises a block body, a groove, a fixing seat, a rubber pad and a pencil stub, wherein the block body is movably arranged on the threaded rod, the bottom of the block body is provided with the groove, the fixing seat is movably arranged in the groove and connected with the groove through an extruding device, the pencil stub is inserted into the fixing seat, the rubber pad matched with the pencil stub is arranged in the fixing seat, and the rubber pad and the pencil stub are in interference fit.

The extrusion device comprises an extrusion plate, an extrusion groove, an extrusion column and a spring, wherein the extrusion plate is arranged on each of two sides of the block body, the extrusion groove matched with the extrusion plate is arranged on each of two sides of the groove, the extrusion column is arranged in the extrusion groove, the extrusion plate is arranged on the extrusion column in a sliding mode, the spring is sleeved on the extrusion column, and the spring is arranged at the upper end of the extrusion plate.

The embodiment of the utility model provides a mathematics learning auxiliary device. The method has the following beneficial effects:

1. when straight lines with different angles need to be drawn, the rotating rod drives the first pointer to rotate on the angle measuring disc by rotating the movable straight plate, so that the required angle is achieved, and then the first pointer can be fixed through the first fixing bolt;

2. when needs draw the circle, press the pencil stub and place on the rubber area in the fixing base, then under the extrusion of spring, make the pencil stub can with the drawing paper, closely laminate, then can rotate the activity board of the bottom of fixed board, thereby conveniently draw the circle, and through rotating the handle, make the threaded rod drive drawing block and remove about in the activity inslot, setting through the second pointer, make the displacement distance of the measuring drawing block that can be accurate, conveniently draw the circle of different diameters, through such setting, make the device not only can draw the straight line of different angles, can also draw the not circle of equidimension, convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the fixed and movable straight plates of the present invention;

fig. 3 is a schematic structural diagram of the drawing block 9 of the present invention.

In the figure: the pencil sharpener comprises a fixed straight plate 1, a movable straight plate 2, a graduated scale 3, a second pointer 4, a rotating rod 5, a first pointer 6, an angle measuring disc 7, a first fixing bolt 8, a drawing block 9, a block body 91, a groove 92, a fixing seat 93, a rubber pad 94, a pencil tip 95, a movable groove 10, a threaded rod 11, a handle 12, a second fixing bolt 13, an extrusion plate 14, an extrusion groove 15, an extrusion column 16 and a spring 17.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a mathematics learning auxiliary device, including fixed straight board 1 and activity straight board 2, the bottom of fixed straight board 1 is equipped with logical groove, and it is equipped with activity straight board 2 to lead to the inslot, the fixed dwang 5 that is equipped with in upper end of activity straight board 2, dwang 5 runs through fixed straight board 1, the outside cover of dwang 5 is equipped with angle measurement dish 7, and angle measurement dish 7 is fixed to be set up on fixed straight board 1, the tip of dwang 5 be equipped with angle measurement dish 7 complex first pointer 6, the tip of fixed straight board 1 be equipped with dwang 5 complex first fixing bolt 8, be equipped with drawing device in the activity straight board 2.

Furthermore, the movable straight plate 2 and the fixed straight plate 1 are both provided with a graduated scale 3, and the movable straight plate 2 and the fixed straight plate 1 can be used for drawing lines through the arrangement of the graduated scale 3, so that the use is convenient;

furthermore, the movable straight plate 2 is flush with the bottom of the fixed straight plate 1, and through the arrangement, the bottom of the device is kept to be tightly attached to paper, so that drawing is facilitated;

furthermore, the drawing device comprises a drawing block 9, a movable groove 10, a threaded rod 11, a handle 12 and a second fixing bolt 13, the movable groove 10 is arranged in the movable straight plate 2, the threaded rod 11 is arranged in the movable groove 10, the drawing block 9 is screwed on the threaded rod 11, the drawing block 9 is slidably arranged in the movable groove 10, the second fixing bolt 13 is arranged on the drawing block 9, a second pointer 4 is arranged on the drawing block 9, the handle 12 is arranged at the end part of the threaded rod 11, the handle 12 is arranged on one side of the movable straight plate 2, the threaded rod 11 drives the drawing block 9 to move left and right in the movable groove 10 by rotating the handle 12, and the moving distance of the drawing block 9 can be accurately measured by arranging the second pointer 4;

further, the drawing block 9 comprises a block body 91, a groove 92, a fixed seat 93, a rubber pad 94 and a pencil stub 95, the block body 91 is movably arranged on the threaded rod 11, the groove 92 is formed in the bottom of the block body 91, the fixed seat 93 is movably arranged in the groove 92, the fixed seat 93 is connected with the groove 92 through an extrusion device, the pencil stub 95 is inserted into the fixed seat 93, the rubber pad 94 matched with the pencil stub 95 is arranged in the fixed seat 93, the rubber pad 94 and the pencil stub 95 are in interference fit, the pencil stub 95 is pressed in the fixed seat 93, then under the extrusion of the extrusion device, the pencil stub 95 is tightly attached to paper, and the movable straight plate 2 is rotated to draw a circle;

further, extrusion device includes stripper plate 14, extrusion groove 15, compression leg 16 and spring 17, the both sides of block 91 all are equipped with stripper plate 14, the both sides of recess 92 are equipped with 14 complex extrusion grooves 15 of stripper plate, be equipped with compression leg 16 in the extrusion groove 15, and stripper plate 14 slides and sets up on compression leg 16, the cover is equipped with spring 17 on the compression leg 16, and spring 17 sets up the upper end at stripper plate 14, can support fixing base 93 through two stripper plates 14, can extrude stripper plate 14 through spring 17, make fixing base 93 stretch out and draw back in recess 92, thereby conveniently support pencil head 95.

The working principle is as follows: in the using process, when straight lines with different angles need to be drawn, the movable straight plate 2 is rotated, so that the rotating rod 5 drives the first pointer 6 to rotate on the angle measuring disc 7, thereby achieving the required angle, and then, can be fixed by the first fixing bolt 8, so that straight lines of different angles can be drawn, when a circle needs to be drawn, the pencil head 95 is pressed on the rubber belt 94 arranged in the fixed seat 93, the spring 17 then presses the pencil stub 95 so that it can be brought into close contact with the drawing paper, then the movable straight plate 2 at the bottom of the fixed straight plate 1 can be rotated to facilitate circle drawing, and the threaded rod 11 drives the drawing blocks 9 to move left and right in the movable groove 10 by rotating the handle 12, through the arrangement of the second pointer 4, the moving distance of the drawing block 9 can be accurately measured, and circles with different diameters can be conveniently drawn.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a mathematics learning auxiliary device, includes fixed straight board (1) and activity straight board (2), its characterized in that: the bottom of fixed straight board (1) is equipped with logical groove, and leads to the inslot and be equipped with activity straight board (2), the fixed dwang (5) that is equipped with in upper end of activity straight board (2), dwang (5) run through fixed straight board (1), the outside cover of dwang (5) is equipped with angle measurement dish (7), and angle measurement dish (7) are fixed to be set up on fixed straight board (1), the tip of dwang (5) be equipped with angle measurement dish (7) complex first pointer (6), the tip of fixed straight board (1) is equipped with dwang (5) complex first fixing bolt (8), be equipped with drawing device in the activity straight board (2).

2. A mathematical learning support apparatus as claimed in claim 1, wherein: the movable straight plate (2) and the fixed straight plate (1) are both provided with a graduated scale (3).

3. A mathematical learning support apparatus as claimed in claim 1, wherein: the movable straight plate (2) is flush with the bottom of the fixed straight plate (1).

4. A mathematical learning support apparatus as claimed in claim 1, wherein: the drawing device comprises drawing blocks (9), a movable groove (10), a threaded rod (11), a handle (12) and a second fixing bolt (13), the movable groove (10) is arranged in the movable straight plate (2), the threaded rod (11) is arranged in the movable groove (10), the drawing blocks (9) are connected onto the threaded rod (11) in a threaded mode, the drawing blocks (9) are arranged in the movable groove (10) in a sliding mode, the second fixing bolt (13) is arranged on the drawing blocks (9), a second pointer (4) is arranged on the drawing blocks (9), the handle (12) is arranged at the end portion of the threaded rod (11), and the handle (12) is arranged on one side of the movable straight plate (2).

5. A mathematical learning support apparatus as claimed in claim 4, wherein: drawing piece (9) are including block (91), recess (92), fixing base (93), rubber pad (94) and pencil stub (95), the activity is equipped with block (91) on threaded rod (11), the bottom of block (91) is equipped with recess (92), recess (92) internalization is equipped with fixing base (93), and is connected through extrusion device between fixing base (93) and recess (92), fixing base (93) interpolation is equipped with pencil stub (95), be equipped with in fixing base (93) with pencil stub (95) complex rubber pad (94), and interference fit between rubber pad (94) and pencil stub (95).

6. A mathematical learning support apparatus as claimed in claim 5, wherein: the extrusion device comprises an extrusion plate (14), an extrusion groove (15), an extrusion column (16) and springs (17), wherein the extrusion plate (14) is arranged on two sides of a block body (91), the extrusion groove (15) matched with the extrusion plate (14) is arranged on two sides of a groove (92), the extrusion column (16) is arranged in the extrusion groove (15), the extrusion plate (14) is arranged on the extrusion column (16) in a sliding mode, the springs (17) are sleeved on the extrusion column (16), and the springs (17) are arranged at the upper end of the extrusion plate (14).

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