CN211843830U

CN211843830U - Drawing tool for mathematical education

Info

Publication number: CN211843830U
Application number: CN202020331896.2U
Authority: CN
Inventors: 张艳妮
Original assignee: Jilin University of Architecture and Technology
Current assignee: Jilin University of Architecture and Technology
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-11-03
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a drawing tool for mathematical education, which comprises a box body, a writing board, drawing strips and adjusting supporting legs, drawers are inserted on two sides of the box body, the lower end of the box body is provided with a plurality of suckers, the writing board is embedded in the front of the box body, two corners of the lower end of the writing board are provided with angle marks, coordinate points are arranged on the writing board, the lower ends of the two drawing strips respectively rotate on two corners of the lower end of the writing board, the two adjusting supporting legs are symmetrically hinged on the back of the box body, the adjusting supporting legs comprise a loop bar and a threaded rod which are connected by screw threads, a placing bag and a hook are respectively and fixedly arranged in the drawers, the writing board of the utility model is embedded in the front of the box body, the drawing tool can be hung or placed in the drawer on the side of the box body, the box body can be hung, and also can, two corners of the lower end of the writing board are provided with hinged drawing strips, and angle marking is combined, so that accurate drawing can be achieved.

Description

Drawing tool for mathematical education

Technical Field

The utility model relates to a mathematical education technical field, concretely relates to graphics primitive is used in mathematical education.

Background

The drawing tool is used for teaching, the drawing tool is used for drawing, the drawing tool is inconvenient to carry, the drawing tool is easy to lose and damage, and the drawing tool is provided for the mathematical education aiming at the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, the present drawing tool for mathematical education that provides, the clipboard inlays in the box openly, drawing tool can hang or place in the drawer of box side, high durability and convenient carrying, the box can hang, also can adsorb on the desktop, and support the box through rear side articulated regulation supporting leg, high durability and convenient use, be provided with the coordinate point on the clipboard, the two angles of lower extreme of clipboard are provided with articulated drawing strip, combine the angle mark, can be accurate draw.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a graphics primitive for mathematical education, a serial communication port, including box, clipboard, drawing strip and regulation supporting leg, the both sides alternate of box has the drawer, and the lower terminal surface of box is fixed and is provided with a plurality of sucking discs, and the rectangular channel has been seted up to the back symmetry of box, the clipboard is inlayed in the front of box, and the lower extreme both corners of clipboard are provided with the angle mark, are provided with the coordinate point on the clipboard, two the lower extreme of drawing strip rotates on the lower extreme both corners of clipboard through the pivot respectively, it includes threaded connection's loop bar and threaded rod to adjust the supporting leg, the upper end of loop bar articulates between the rectangular channel through the pivot, the fixed rubber block that is provided with of lower extreme of threaded rod, two fixed placing bag and the couple of being provided with respectively in the drawer.

Furthermore, the upper end face of the box body is provided with a hinged handle.

Furthermore, two side faces of the box body are provided with limiting plates above the drawer in a rotating mode.

Furthermore, fixed blocks are symmetrically and fixedly arranged on two sides of the front surface of the box body.

Furthermore, the drawing strip is made of transparent plastic, and a lug is fixedly arranged at the end part of the rotating shaft.

Furthermore, a groove is formed in the opposite inner side of the fixing block, spring steel balls are symmetrically arranged in the groove, and a clamping hole matched with the spring steel balls is formed in the drawing strip.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. the clipboard inlays in the box openly, and the both sides interlude of box has the drawer, and fixed placing bag and the couple of being provided with respectively in two drawers, drawing instrument can hang or place in the drawer, convenient to carry.

2. The up end of box is provided with the articulated handle, conveniently carries and hangs, and the lower terminal surface of box is fixed to be provided with a plurality of sucking discs, and is adsorbable on the desktop, and the rear side of box is provided with the articulated regulation supporting leg, can turn over and roll over and go out, the back of slope support box, the operation when conveniently drawing.

3. Be provided with the coordinate point on the clipboard, the two angles of lower extreme of clipboard are provided with articulated drawing strip, combine the angle mark, can be accurate draw.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the back of the middle box body of the present invention.

Fig. 3 is a right side view of the middle box body of the utility model.

Fig. 4 is a sectional view of the connection structure of the middle drawing strip and the fixing block of the present invention.

1-a box body; 2-writing board; 3-drawing bar; 4-adjusting the support legs; 5-a drawer; 6-a sucker; 7-a rubber block; 8-a handle; 9-fixing block; 10-spring steel balls; 11-a rectangular groove; 12-a limiting plate; marking an angle 21-; 22-coordinate points; 31-a rotating shaft; 32-a capture aperture; 41-loop bar; 42-threaded rod; 51-placing bags; 52-hook.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A drawing tool for mathematics teaching as shown in fig. 1, 2, 3 and 4, comprising a box body 1, a writing board 2, a drawing strip 3 and an adjusting supporting leg 4, drawers 5 are inserted into two sides of the box body 1, a plurality of suckers 6 are fixedly arranged on the lower end surface of the box body 1, rectangular grooves 11 are symmetrically arranged on the back surface of the box body 1, the writing board 2 is embedded in the front of the box body 1, the two corners of the lower end of the writing board 2 are provided with angle marks 21, a coordinate point 22 is arranged on the writing board 2, the lower ends of the two drawing strips 3 are respectively rotated on the two corners of the lower end of the writing board 2 through a rotating shaft 31, the adjusting supporting leg 4 comprises a loop bar 41 and a threaded rod 42 which are connected by screw threads, the upper end of the loop bar 41 is hinged between the rectangular grooves 11 by a rotating shaft, the lower end of the threaded rod 42 is fixedly provided with a rubber block 7, and a placing bag 51 and a hook 52 are respectively and fixedly arranged in the two drawers 5.

Wherein, the upper end surface of the box body 1 is provided with a hinged handle 8; limiting plates 12 are rotatably arranged on the two side surfaces of the box body 1 above the drawer 5; fixed blocks 9 are symmetrically and fixedly arranged on two sides of the front surface of the box body 1; the drawing strip 3 is made of transparent plastic, and a lug is fixedly arranged at the end part of the rotating shaft 31; the relative inboard of fixed block 9 is seted up recess 91, and the symmetry is provided with spring steel ball 10 in the recess 91, seted up on the drawing strip 3 in the spring steel ball 10 complex screens hole 32.

The utility model provides a drawing tool for mathematical education, it is when specifically using, and clipboard 2 inlays in box 1's front, and box 1's both sides alternate has drawer 5, fixedly is provided with placing bag 51 and couple 52 in two drawers 5 respectively, and drawing tool can hang or place in drawer 5, convenient to carry, and box 1's both sides face sets up in drawer 5's top and rotates and be provided with limiting plate 12, drawer 5 roll-off when can avoiding carrying.

Be provided with coordinate point 22 on clipboard 2, the lower extreme of two drawing strips 3 rotates on two angles of the lower extreme of clipboard 2 through pivot 31 respectively, drawing strip 3 makes for transparent plastic, can not influence the drawing, two angles of the lower extreme of clipboard 2 are provided with angle mark 21 simultaneously, drawing strip 3 is rotatable, combine angle mark 21 and coordinate point 22, can be accurate convenient draw, the fixed block 9 that is provided with of positive bilateral symmetry of box 1, recess 91 has been seted up to the relative inboard of fixed block 9, the symmetry is provided with spring steel ball 10 within the recess 91, set up in spring steel ball 10 complex screens hole 32 on the drawing strip 3, under the screens of spring steel ball 10 and screens hole 32, fixed block 9 can be gone into to the upper end of drawing strip 3, fix its position, and it is more convenient.

The up end of box 1 is provided with articulated handle 8, conveniently carry and hang, the fixed a plurality of sucking discs 6 that are provided with of lower terminal surface of box 1, adsorbable on the desktop, rectangular channel 11 has been seted up to box 1's back symmetry, adjust supporting leg 4 and include threaded connection's loop bar 41 and threaded rod 42, the upper end of loop bar 41 articulates between rectangular channel 11 through the pivot, it can turn over and roll over and go out to adjust supporting leg 4, the back of inclined support box 1, and adjust the adjustable length of supporting leg 4, thereby support box 1 when drawing, convenient drawing, the fixed block rubber 7 that is provided with of lower extreme of threaded rod 42, can increase the frictional force with the desktop, and is more practical.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a graphics primitive for mathematical education which characterized in that: comprises a box body (1), a writing board (2), drawing strips (3) and adjusting supporting legs (4), drawers (5) are inserted into two sides of the box body (1), a plurality of suckers (6) are fixedly arranged on the lower end face of the box body (1), rectangular grooves (11) are symmetrically formed in the back face of the box body (1), the writing board (2) is embedded in the front face of the box body (1), angle marks (21) are arranged on two corners of the lower end of the writing board (2), coordinate points (22) are arranged on the writing board (2), the lower ends of the two drawing strips (3) are respectively rotated on two corners of the lower end of the writing board (2) through a rotating shaft (31), the adjusting supporting legs (4) comprise sleeve rods (41) and threaded rods (42) which are connected through threads, the upper ends of the sleeve rods (41) are hinged between the rectangular grooves (11) through rotating shafts, and rubber blocks (7) are fixedly arranged at the lower ends of the threaded, a placing bag (51) and a hook (52) are respectively and fixedly arranged in the two drawers (5).

2. The drawing tool for mathematical education as set forth in claim 1, wherein: the upper end face of the box body (1) is provided with a hinged handle (8).

3. The drawing tool for mathematical education as set forth in claim 1, wherein: and limiting plates (12) are rotatably arranged on the two side surfaces of the box body (1) above the drawer (5).

4. The drawing tool for mathematical education as set forth in claim 1, wherein: fixed blocks (9) are symmetrically and fixedly arranged on two sides of the front surface of the box body (1).

5. The drawing tool for mathematical education as set forth in claim 1, wherein: the drawing strip (3) is made of transparent plastic, and a convex block is fixedly arranged at the end part of the rotating shaft (31).

6. The drawing tool for mathematical education as set forth in claim 4, wherein: the relative inboard of fixed block (9) is seted up recess (91), and the symmetry is provided with spring steel ball (10) in recess (91), seted up on drawing strip (3) in spring steel ball (10) complex screens hole (32).