CN211222783U

CN211222783U - Multifunctional teaching ruler

Info

Publication number: CN211222783U
Application number: CN201922431048.9U
Authority: CN
Inventors: 梁玉新
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-11
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a multi-functional teaching aid chi relates to teaching aid chi field, comprising a main body, the inside of main part is provided with the recess, and the inside of recess is provided with the spout No. one, the internally mounted of spout has the slider, and the one end of slider is connected with the connecting cylinder, the inside of connecting cylinder is provided with the chalk clamp, and one side of chalk clamp is connected with the movable block No. two. The utility model discloses a set up the movable block No. one, No. two movable blocks, the locating lever, the nut, the chalk clamp, a main part, when needing to draw a circle in class, remove the movable block No. one, make the locating lever stretch out, and through the stopper fixed position pole that stops in piece and the recess, then remove the movable block No. two, make the chalk clamp stretch out, adjust the chalk in the fixed chalk clamp of spiral shell, remove the connecting cylinder, the radius of the circle that the adjustment needs to be drawn, press the rotatory main part of one end that has the locating lever at last and draw a circle, the teacher of being convenient for can make things convenient for the drawing a circle in class, need not frequently change the teaching aid.

Description

Multifunctional teaching ruler

Technical Field

The utility model relates to a teaching aid chi field specifically is a multi-functional teaching aid chi.

Background

When a teacher explains geometric knowledge for students, the ruler, the set square and the protractor are often used for drawing on the blackboard, the drawing function of various rulers is single, the teacher needs various rulers to be used alternately when drawing, and the ruler is very troublesome in use, wastes time and is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that a teacher cannot be helped to draw circles and cannot draw parallel lines more conveniently, a multifunctional teaching ruler is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multifunctional teaching ruler, includes the main part, the inside of main part is provided with the recess, and the inside of recess is provided with the spout, the internally mounted of spout has the slider, and the one end of slider is connected with the connecting cylinder, the inside of connecting cylinder is provided with the chalk clamp, and one side of chalk clamp is connected with the movable block No. two, one side of main part is provided with the spacing groove, and the inside of spacing groove is provided with the movable block No. one, the one end of movable block is connected with the locating lever, and the locating lever is provided with outward and blocks the piece, the other end of main part is provided with the connecting block, and one side of connecting block is provided with the spirit level, the inside of connecting block is provided with the spout No. two, and the inside of spout No. two is provided with the lead screw, the one end.

Preferably, one end of the parallel ruler is provided with an internal thread matched with the screw rod.

Preferably, the chalk clip is made of PVC plastic, and a nut is installed on the outer wall of the chalk clip.

Preferably, the outer wall of the chalk clip is positioned in the nut and is provided with threads matched with the internal threads of the nut.

Preferably, one end of the positioning rod is provided with a conical structure, and the size of the positioning rod is matched with the size of the groove in the main body.

Preferably, the number of the blocking blocks 14 is two, and the two blocking blocks 14 are fixedly connected with the groove inside the main body 1 through viscous glue.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the movable block No. one, No. two movable blocks, the locating lever, the nut, the chalk clamp, a main part, when needing to draw a circle in class, remove the movable block No. one, make the locating lever stretch out, and through the stopper fixed position pole that stops in piece and the recess, then remove the movable block No. two, make the chalk clamp stretch out, adjusting nut, make the nut upwards rotate, slowly tighten up open chalk clamp through the extrusion, chalk in the fixed chalk clamp, remove the connecting cylinder along a spout, the adjustment needs the radius of the circle of drawing, press the rotatory main part drawing circle of one end that has the locating lever at last, the mr of being convenient for can make things convenient for the drawing circle when going to class, need not frequently change the teaching aid.

2. The utility model discloses a set up spirit level, pivot, parallel ruler, when needing to draw parallel lines at school, at first through the spirit level with the main part leveling, then adjust the pivot, remove parallel ruler accommodate distance and find the position of the parallel lines that need draw, draw parallel lines at last, the mr of being convenient for more conveniently must draw parallel lines.

Drawings

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

FIG. 2 is a schematic view of the positioning rod of the present invention;

FIG. 3 is a schematic view of the structure of the chalk holder of the present invention;

fig. 4 is a schematic view of the parallel ruler structure of the present invention.

In the figure: 1. a main body; 2. a limiting groove; 3. positioning a rod; 4. a first moving block; 5. a parallel ruler; 6. a groove; 7. a connecting cylinder; 8. a slider; 9. a first chute; 10. a level gauge; 11. connecting blocks; 12. a second chute; 13. a screw rod; 14. a blocking block; 15. a rotating shaft; 16. a chalk clip; 17. a second moving block; 18. and a nut.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a multifunctional teaching ruler comprises a main body 1, a groove 6 is arranged in the main body 1, a first sliding groove 9 is arranged in the groove 6, a sliding block 8 is arranged in the first sliding groove 9, one end of the sliding block 8 is connected with a connecting cylinder 7, a chalk clamp 16 is arranged in the connecting cylinder 7, a second moving block 17 is connected to one side of the chalk clamp 16, a limiting groove 2 is arranged on one side of the main body 1, a first moving block 4 is arranged in the limiting groove 2, one end of the first moving block 4 is connected with a positioning rod 3, a blocking block 14 is arranged outside the positioning rod 3, a connecting block 11 is arranged at the other end of the main body 1, a level gauge 10 is arranged on one side of the connecting block 11, a second sliding groove 12 is arranged in the connecting block 11, a lead screw 13 is arranged in the second sliding groove 12, one end of the lead screw 13 is connected, and the outer wall of the screw rod 13 is connected with a parallel ruler 5.

Please refer to fig. 1, one end of the parallel ruler 5 is provided with an internal thread matching with the screw 13, so that the parallel ruler 5 can move on the screw 13.

Please refer to fig. 3, the chalk clip 16 is made of PVC plastic, and the outer wall of the chalk clip 16 is provided with a nut 18 for adjusting the size of the chalk clip by the nut 18.

Referring again to fig. 3, the outer wall of the chalk clip 16 is provided with threads on the inside of the nut 18 that mate with the internal threads of the nut 18 to facilitate rotation of the nut 18 on the internal threads of the chalk clip.

Please refer to fig. 2, one end of the positioning rod 3 is provided with a conical structure, and the size of the positioning rod 3 matches with the size of the groove inside the main body 1, so as to facilitate pulling out and fixing the positioning rod 3 at a point when drawing a circle.

Please refer to fig. 2, the number of the blocking blocks 14 is two, and the two blocking blocks 14 are fixedly connected with the groove inside the main body 1 through the viscous glue, so as to facilitate the fixing after the positioning rod 3 is pulled out.

The working principle is as follows: firstly, when needing to draw circles in class, the first moving block 4 is moved to extend the positioning rod 3, the positioning rod 3 is fixed by the stop block 14 and the limit block in the groove, then moving a second moving block 17 to extend the chalk clamp 16, adjusting a nut 18 to enable the nut 18 to rotate upwards, slowly tightening the opened chalk clamp 16 by extrusion, fixing the chalk in the chalk clamp 16, moving a connecting cylinder 7 along a first sliding groove 9, adjusting the radius of a circle to be drawn, finally pressing one end of a positioning rod 3 to rotate a main body 1 to draw the circle, facilitating a teacher to conveniently draw the circle in class without frequently replacing teaching aids, then, when parallel lines need to be drawn in class, the main body 1 is leveled through the level 10, then the rotating shaft 15 is adjusted, the parallel ruler 5 is moved to adjust the distance to find the position of the parallel lines needing to be drawn, and finally the parallel lines are drawn, so that a teacher can draw the parallel lines more conveniently.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a multi-functional teaching aid chi, includes main part (1), its characterized in that: the chalk clamp is characterized in that a groove (6) is formed in the main body (1), a first sliding groove (9) is formed in the groove (6), a sliding block (8) is installed in the first sliding groove (9), one end of the sliding block (8) is connected with a connecting cylinder (7), a chalk clamp (16) is arranged in the connecting cylinder (7), a second moving block (17) is connected to one side of the chalk clamp (16), a limiting groove (2) is formed in one side of the main body (1), a first moving block (4) is arranged in the limiting groove (2), one end of the first moving block (4) is connected with a positioning rod (3), a blocking block (14) is arranged outside the positioning rod (3), a connecting block (11) is arranged at the other end of the main body (1), a level gauge (10) is arranged on one side of the connecting block (11), a second sliding groove (12) is arranged in the connecting block (11), and the inside of No. two spout (12) is provided with lead screw (13), the one end of lead screw (13) is connected with pivot (15), and the outer wall of lead screw (13) is connected with parallel chi (5).

2. A multi-functional teaching ruler as claimed in claim 1, wherein: one end of the parallel ruler (5) is provided with an internal thread matched with the screw rod (13).

3. A multi-functional teaching ruler as claimed in claim 1, wherein: the chalk clip (16) is made of PVC plastic, and a nut (18) is installed on the outer wall of the chalk clip (16).

4. A multi-functional teaching ruler as claimed in claim 1, wherein: the outer wall of the chalk clamp (16) is positioned in the nut (18) and is provided with threads matched with the internal threads of the nut (18).

5. A multi-functional teaching ruler as claimed in claim 1, wherein: one end of the positioning rod (3) is provided with a conical structure, and the size of the positioning rod (3) is matched with the size of the groove in the main body (1).

6. A multi-functional teaching ruler as claimed in claim 1, wherein: the number of the blocking blocks (14) is two, and the two blocking blocks (14) are fixedly connected with the groove in the main body (1) through viscous glue.