CN210941099U

CN210941099U - Drawing device for mathematical education

Info

Publication number: CN210941099U
Application number: CN201922102375.XU
Authority: CN
Inventors: 赵翰东; 刘海宁
Original assignee: Jiangsu Province Xuzhou Technician Institute
Current assignee: Jiangsu Province Xuzhou Technician Institute
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-07
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a drawing device for mathematical education, which belongs to the technical field of teaching tools and comprises a first ruler and a second ruler, wherein the back wall of the first ruler is provided with a groove forwards, and the joint has anti-skidding rubber pad in the recess, it has square through hole to link up between the antetheca of first ruler and the back wall, it has square fixed block to link up in square through hole's the pore wall, it has first screw hole to open backward to square fixed block's antetheca, the pore wall of first screw hole and the terminal threaded connection of bolt, the bolt still with second screw hole threaded connection simultaneously, link up around the second screw hole and locate the pivot, the pivot is pegged graft in the inner wall of circular through hole, link up around the circular through hole and locate on the second ruler, the antetheca of second ruler is carved with the instruction groove, the angular measurement piece is carved with the front end integrated into one piece of pivot, the utility model discloses structural design scientific and reasonable, place when drawing and skid, improve practicality and.

Description

Drawing device for mathematical education

Technical Field

The utility model relates to a teaching aid technical field specifically is a drawing device is used in mathematical education.

Background

In mathematical education, need the teacher to explain on the blackboard, the drawing is essential teaching process, need use dedicated drawing tool to draw, and the teacher is for swift a bit, relies on feeling to draw, leads to the figure inaccurate, and is also not pleasing to the eye, and current drawing device structure is too simple, because the performance of blackboard and drawing ruler is all very smooth, skids easily when drawing, and practicality and functionality also have the weak point.

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.

The present invention has been made in view of the above and/or other problems occurring in the prior art drawing device for mathematical education.

Therefore, the utility model aims at providing a drawing device for mathematical education can solve the current drawing device structure that the aforesaid provided and too simple, because the performance of blackboard and drawing ruler rule is all very smooth, skids easily when drawing, and practicality and functionality also have the problem of weak point.

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

a drawing device for mathematical education, comprising: first ruler and second ruler, the back wall of first ruler is opened flutedly forward, and the joint has anti-skidding rubber pad in the recess, it has square through hole to link up between the antetheca of first ruler and the back wall, square through hole's the joint has square fixed block in the pore wall, the antetheca of square fixed block is opened backward has first screw hole, the pore wall of first screw hole and the terminal threaded connection of bolt, the bolt still simultaneously with second screw hole threaded connection, link up around the second screw hole and locate in the pivot, the pivot is pegged graft in circular through hole's inner wall, link up around the circular through hole and locate on the second ruler, the antetheca of second ruler is carved with the instruction groove, the front end integrated into one piece of pivot has the angle measuring block.

As a mathematical education drawing device's an preferred scheme, wherein: first ruler and second ruler all adopt the PVC material to make.

As a mathematical education drawing device's an preferred scheme, wherein: the front end of the bolt is provided with a threaded cap, and the side wall of the threaded cap is lathed with anti-skid grains.

As a mathematical education drawing device's an preferred scheme, wherein: the square fixed block, the rotating shaft and the angle measuring block are all made of stainless steel structures.

Compared with the prior art: the drawing device for mathematical education is provided with an anti-skid rubber pad, wherein a groove is formed in the front of the rear wall of the first ruler, the anti-skid rubber pad is clamped in the groove, the rear wall of the anti-skid rubber pad slightly protrudes out of the rear wall of the first ruler, and when drawing is carried out, the rear wall of the first ruler is in contact with a blackboard, the anti-skid rubber pad is tightly attached to the blackboard, so that slipping is prevented;

this device still is equipped with the bolt, the screw cap, the apparatus further comprises a rotating shaft, the second screw hole, instruct groove and angle measurement piece, the front end and the angle measurement piece integrated into one piece of pivot, it has the second screw hole to open backward to indicate the antetheca of angle measurement piece, second screw hole and bolt threaded connection, the fixed screw cap that is equipped with in front end of bolt, the lateral wall car of screw cap has anti-skidding line, unscrew the bolt through the screw cap, can make the second ruler revolute the rotation of axes, through instructing that groove and angle measurement piece are adjustable and confirming the contained angle between first ruler and the second ruler, it can make fixedly between first ruler and the second ruler to screw the bolt after confirming the angle, be convenient for draw various angles, practicality and functionality have been strengthened.

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 the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a rear view of the present invention.

In the figure, 100 first ruler, 110 square through holes, 200 antiskid rubber pads, 300 square fixing blocks, 310 first threaded holes, 400 bolts, 410 threaded caps, 500 rotating shafts, 510 second threaded holes, 600 second ruler, 610 circular through holes, 620 indicating scribed lines and 700 angle measuring blocks.

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 drawing device for mathematical education, please refer to fig. 1 and fig. 4, comprising a first ruler 100 and a second ruler 600;

referring to fig. 4, a groove is formed in the front wall of the first ruler 100, and an anti-slip rubber pad 200 is clamped in the groove, so that the anti-slip rubber pad 200 prevents slipping during drawing;

referring to fig. 1, 2 and 3, a square through hole 110 penetrates through a front wall and a rear wall of the first ruler 100, a square fixing block 300 is clamped in a hole wall of the square through hole 110, the square fixing block 300 is used for fixing the first ruler 100 when the first ruler 100 is connected with the second ruler 600, a first threaded hole 310 is formed in the front wall of the square fixing block 300 backwards, the hole wall of the first threaded hole 310 is in threaded connection with the tail end of a bolt 400, the bolt 400 is also in threaded connection with a second threaded hole 510 at the same time, the bolt 400 is connected with a rotating shaft 500 and the square fixing block 300, the second threaded hole 510 penetrates through the rotating shaft 500 from front to back, the rotating shaft 500 is inserted into an inner wall of the circular through hole 610, the circular through hole 610 penetrates through the second ruler 600 from front to back, and an indicating scale line 620 is carved;

referring to fig. 1 and 3, an angle measuring block 700 is integrally formed at the front end of the rotating shaft 500, and the angle measuring block 700 is used for matching with the indication scribed line 620 to adjust and determine an included angle between the first ruler 100 and the second ruler 600;

the first ruler 100 and the second ruler 600 are both made of PVC materials, and the PVC materials are light in weight, non-toxic and harmless.

Referring to fig. 1 and 2, a threaded cap 410 is arranged at the front end of the bolt 400, anti-slip threads are lathed on the side wall of the threaded cap 410, and the threaded cap 410 and the anti-slip threads are used for manually rotating the bolt to adjust the tightness of the connection between the first ruler 100 and the second ruler 600.

The square fixing block 300, the rotating shaft 500 and the angle measuring block 700 are all made of stainless steel structures, and the rust is avoided while the structural strength is high.

When the ruler is used specifically, a person skilled in the art needs to attach the first ruler 100 to a blackboard, the anti-skid rubber pad 200 is in close contact with the blackboard at the moment, so that slipping is prevented, straight lines can be drawn directly, if the length is insufficient or an angle needs to be drawn, the bolt 400 can be unscrewed through the threaded cap 410, the second ruler 600 can be rotated through the rotating shaft 500 by slightly unscrewing the bolt 400, the angle can be drawn by screwing the bolt 400 after the angle is determined by the indication scale line 620 and the angle measuring block 700, and an elongated straight line can be drawn after the flat angle is determined by the indication scale line 620 and the angle measuring block 700.

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 drawing device for mathematical education which characterized in that: including first ruler (100) and second ruler (600), the back wall of first ruler (100) is opened flutedly forward, and the joint has anti-skidding rubber pad (200) in the recess, it has square through hole (110) to link up between the antetheca of first ruler (100) and the back wall, the joint has square fixed block (300) in the pore wall of square through hole (110), the antetheca of square fixed block (300) is opened backward has first screw hole (310), the pore wall of first screw hole (310) and the terminal threaded connection of bolt (400), bolt (400) still with second screw hole (510) threaded connection simultaneously, link up around second screw hole (510) and locate on pivot (500), pivot (500) are pegged graft in the inner wall of circular through hole (610), link up around circular through hole (610) and locate on second ruler (600), the antetheca of second ruler (600) is carved with instruction scale line (620), an angle measuring block (700) is integrally formed at the front end of the rotating shaft (500).

2. The drawing device for mathematical education as set forth in claim 1, wherein: the first ruler (100) and the second ruler (600) are both made of PVC materials.

3. The drawing device for mathematical education as set forth in claim 1, wherein: the front end of the bolt (400) is provided with a threaded cap (410), and the side wall of the threaded cap (410) is lathed with anti-slip threads.

4. The drawing device for mathematical education as set forth in claim 1, wherein: the square fixing block (300), the rotating shaft (500) and the angle measuring block (700) are all made of stainless steel structures.