CN210454247U

CN210454247U - Drawing rule for mathematical education

Info

Publication number: CN210454247U
Application number: CN201921585875.7U
Authority: CN
Inventors: 乔岩
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-05
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a drawing rule for mathematical education, including ruler, angulometer board and connector, the one end swing joint of ruler has the connector, the ruler passes through connector and angulometer board swing joint, screens groove and ruling groove have been seted up on the ruler surface, the inner wall swing joint of connector has rotatable movable ball, the surperficial threaded connection of movable ball has the compasses link, the movable groove has been seted up on the surface of angulometer board, the inner wall swing joint in movable groove has the card post. This drawing rule for mathematical education sets up through the cooperation between ruler, angulometer board and the connector, can carry out swing joint with ruler and angulometer board, and portable need not separately take and puts, sets up through the cooperation between connector, movable ball and the compasses link, can be connected with the movable ball by the compasses link, when drawing the circle, can be more mellow and full, and the position in the centre of a circle is convenient for fix.

Description

Drawing rule for mathematical education

Technical Field

The utility model relates to a mathematical education apparatus technical field specifically is a drawing rule for mathematical education.

Background

Among present mathematical education, need use ruler, multiple teaching aids such as protractor and compasses, these apparatus are independent individuality, the teacher is when carrying, because its is in large quantity, it is bulky, carry extremely inconvenient and lose easily, and current drawing rule for teaching, when using the compasses to draw the circle, the position of its centre of a circle is not convenient for fix, consequently, many mathematics mr can select not to use the compasses and carry out manual drawing according to the experience when drawing the circle, and the circle size of hand animation is not standard, when teaching, can increase student's the understanding degree of difficulty, when the mathematics mr draws the picture, generally need ruler and protractor cooperation to use, come out different angles, but, because its relative position between the two is not convenient for fix, consequently, can increase the degree of difficulty of drawing the angle.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a drawing rule for mathematical education has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a drawing rule for mathematical education, includes ruler and angulometer board, the one end swing joint of ruler has the connector, the ruler passes through connector and angulometer board swing joint, screens groove and ruling groove have been seted up on the ruler surface, the inner wall swing joint of connector has rotatable movable ball, the surperficial threaded connection of movable ball has the compasses link, the movable groove has been seted up on the surface of angulometer board, the inner wall swing joint in movable groove has the card post.

Optionally, a clamping nut is connected to the surface of the clamping column through threads.

Optionally, the surface of the clamping column is movably connected with the clamping groove.

Optionally, the inner wall of the scribing groove is fixedly connected with a scribing rod.

Optionally, one side of the ruler is fixedly connected with a connecting frame, and the surface of the connecting frame is fixedly connected with a fixed handle.

(III) advantageous effects

The utility model provides a drawing rule for mathematical education possesses following beneficial effect:

1. this drawing rule for mathematical education sets up through the cooperation between ruler, angulometer board and the connector, can carry out swing joint with ruler and angulometer board, and portable need not separately take and puts, sets up through the cooperation between connector, movable ball and the compasses link, can be connected with the movable ball by the compasses link, when drawing the circle, can be more mellow and full, and the position in the centre of a circle is convenient for fix.

2. This drawing rule for mathematical education sets up through the cooperation between screens groove, scuttle, card post and the clamping nut, can carry out the chucking through the different draw-in grooves of card post and screens inslot wall to can set for several commonly used relative positions between ruler and the scuttle, the setting-out of being convenient for is used, and through fixed handle's setting, can fix the position between device and the blackboard through handheld fixed handle.

Drawings

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

FIG. 2 is a schematic view of the structure of the angle measuring plate of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the structure of the clamp column of the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a straightedge; 2. a angle measuring plate; 3. a connector; 4. a clamping groove; 5. marking a groove; 6. a movable ball; 7. a compasses connecting end; 8. a movable groove; 9. clamping the column; 10. clamping the screw cap; 11. a line marking rod; 12. a connecting frame; 13. and fixing the handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: a drawing ruler for mathematical education comprises a ruler 1 and a angle measuring plate 2, wherein one end of the ruler 1 is movably connected with a connector 3, and the ruler 1 and the angle measuring plate 2 can be movably connected through the matching arrangement of the ruler 1, the angle measuring plate 2 and the connector 3, so that the drawing ruler is convenient to carry and does not need to be separately taken and placed;

in order to facilitate the compasses to draw circles, the ruler 1 is movably connected with the angle measuring plate 2 through the connector 3, the surface of the ruler 1 is provided with a clamping groove 4 and a scribing groove 5, the inner wall of the connector 3 is movably connected with a rotatable movable ball 6, the surface of the movable ball 6 is in threaded connection with a compass connecting end 7, the compass connecting end 7 is connected with the compass body, the compass connecting end 7 can be connected with the movable ball 6 through the matching arrangement among the connector 3, the movable ball 6 and the compass connecting end 7, the compasses can be more mellow when drawing circles, and the position of the circle center is convenient to fix;

in order to facilitate the adjustment of the angle between the angle measuring plate 2 and the ruler 1, a movable groove 8 is arranged on the surface of the angle measuring plate 2, the inner wall of the movable groove 8 is movably connected with a clamping column 9, the surface of the clamping column 9 is in threaded connection with a clamping nut 10, the clamping groove 4, the angle measuring plate 2, the clamping column 9 and the clamping nut 10 are matched and arranged, and can be clamped through different clamping grooves in the inner walls of the clamping column 9 and the clamping groove 4, so that a plurality of common relative positions between the ruler 1 and the angle measuring plate 2 can be set, the ruler is convenient to draw lines, the surface of the clamping column 9 is movably connected with the clamping groove 4, a scribing rod 11 is fixedly connected to the inner wall of the scribing groove 5, when the ruler 1 and the angle measuring plate 2 are horizontally placed, the scribing rod 11 is aligned with a zero-degree scale line of the angle measuring plate 2, a chalk can be used for drawing lines in the groove 5, one side of the ruler, the fixed handle 13 is fixedly connected to the surface of the connecting frame 12, and the position between the device and the blackboard can be fixed by holding the fixed handle 13 by hands through the arrangement of the fixed handle 13.

In conclusion, when the drawing ruler for mathematical education is used, a dot is marked on a blackboard by using chalk, then the circle center of the angle measuring plate 2 is overlapped with the dot of the chalk, the straight ruler 1 and the angle measuring plate 2 can be movably connected through the matching arrangement among the straight ruler 1, the angle measuring plate 2 and the connecting head 3, the drawing ruler is convenient to carry and does not need to be taken and placed separately, the connecting head 3, the movable ball 6 and the compass connecting end 7 can be connected, the compass connecting end 7 and the movable ball 6 can be connected, when in circle drawing, the circle center can be more rounded, the position of the circle center is convenient to fix, through the matching arrangement among the clamping groove 4, the angle measuring plate 2, the clamping column 9 and the clamping nut 10, the clamping can be carried out through different clamping grooves of the clamping column 9 and the inner wall of the clamping groove 4, so that the relative positions of a plurality of common use between the straight ruler 1 and the angle measuring, the use of being convenient for the setting-out, the position that can fix quantitive scute 2 is unchangeable, rotates ruler 1 and carries out the setting-out, through the setting of fixed handle 13, can fix the position between the device and the blackboard through handheld fixed handle 13.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a drawing rule for mathematical education, includes ruler (1) and angulation board (2), its characterized in that: the one end swing joint of ruler (1) has connector (3), ruler (1) is through connector (3) and angulometer board (2) swing joint, screens groove (4) and ruling groove (5) have been seted up on ruler (1) surface, the inner wall swing joint of connector (3) has rotatable movable ball (6), the surperficial threaded connection of movable ball (6) has compasses link (7), movable groove (8) have been seted up on the surface of angulometer board (2), the inner wall swing joint of movable groove (8) has card post (9).

2. A drawing rule for mathematics teaching as claimed in claim 1, wherein: and a clamping nut (10) is connected to the surface of the clamping column (9) through threads.

3. A drawing rule for mathematics teaching as claimed in claim 1, wherein: the surface of the clamping column (9) is movably connected with the clamping groove (4).

4. A drawing rule for mathematics teaching as claimed in claim 1, wherein: the inner wall of the scribing groove (5) is fixedly connected with a scribing rod (11).

5. A drawing rule for mathematics teaching as claimed in claim 1, wherein: one side fixedly connected with link (12) of ruler (1), the fixed surface of link (12) is connected with fixed handle (13).