CN212242771U

CN212242771U - Multifunctional ruler for mathematical education

Info

Publication number: CN212242771U
Application number: CN202020798431.8U
Authority: CN
Inventors: 马健英
Original assignee: Guangzhou Space Cultural And Creative Entertainment Technology Co ltd
Current assignee: Guangzhou Space Cultural And Creative Entertainment Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-29
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a multi-functional ruler is used in mathematical education, including first ruler, first ruler one side bottom is equipped with the sleeve pipe, the intraductal piston that is equipped with of cover, the piston top is equipped with the connecting rod, first ruler opposite side top articulates there is the second ruler, second ruler top is equipped with the recess, it is equipped with the square hole to run through below the recess in the second ruler, it is equipped with the screw to run through in the square hole bottom is vertical in the second ruler, matching has swing joint's screw rod in the screw, the level is equipped with swing joint's diaphragm in the recess, the diaphragm top is equipped with the pole setting, the pole setting top articulates there is the protractor, second ruler top is equipped with the draw-in groove in the spout top, first ruler top be equipped with draw-in groove assorted fixture block. The utility model discloses not only save space, still improved teaching efficiency, satisfy different teaching demands, it is little to the blackboard damage.

Description

Multifunctional ruler for mathematical education

Technical Field

The utility model relates to a mathematics teaching aid technical field especially relates to a multi-functional ruler is used in mathematical education.

Background

At present, teachers often use teaching aids to draw on a blackboard in the mathematical teaching process, and especially use set square teaching aids, compasses, straight scale teaching aids, protractors and the like in the geometric drawing demonstration process. These teaching aids are more dispersed, need make a round trip to change during the mapping, have wasted valuable teaching time, greatly increased teacher's work load, so many teaching aids are placed simultaneously on the podium moreover, have taken limited space, also be convenient for taking of teaching aid, and is not clean and tidy enough, and the locating lever of current compasses generally is the tip, damages the blackboard easily.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a multifunctional ruler for mathematical education.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multifunctional ruler for mathematical education comprises a first ruler, wherein a sleeve is arranged at the bottom of one side of the first ruler, movably connected chalks are arranged in the sleeve, a piston is arranged above the chalks in the sleeve, a connecting rod is arranged at the top of the piston, a clamp is arranged at the top of the connecting rod and above the sleeve, a movably connected triangular ruler is arranged at the top of the clamp and on one side of the first ruler, a second ruler is hinged to the top of the other side of the first ruler, a groove is arranged at the top of the second ruler, a square hole penetrates through the lower portion of the groove in the second ruler, a screw hole vertically penetrates through the bottom of the square hole in the second ruler, a movably connected screw rod is arranged in the screw hole, a knob is arranged in the square hole through the top of the screw rod, a movably connected rotating shaft is arranged below the second ruler through the screw hole in the bottom of the screw rod, the improved ruler is characterized in that an arc-shaped groove matched with the sucker is formed in the bottom of the second ruler, a transverse plate is horizontally arranged in the groove and movably connected with the sucker, sliders are arranged on two sides of the transverse plate, a sliding groove matched with the sliders is vertically arranged in the groove, a vertical rod is arranged at the top of the transverse plate, a protractor is hinged to the top of the vertical rod, a clamping groove is formed in the top of the sliding groove, and a clamping block matched with the clamping groove is arranged at the top of the first ruler.

Preferably, spring clamping pieces are arranged on two sides of the inner wall of the sleeve, and the chalk is located between the two spring clamping pieces.

Preferably, the outer surface of the knob is sleeved with an anti-slip sleeve.

Preferably, the triangular ruler is a right-angle triangular ruler with an included angle of 30 degrees.

Preferably, the top of the inner wall of the sliding groove is provided with a limiting block.

Preferably, the length of the first ruler is equal to the length of the second ruler.

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

1. in the utility model, by arranging the first ruler, the second ruler, the piston, the connecting rod, the clamp, the set square, the groove and the protractor, a plurality of mathematical teaching aids can be combined together, thereby not only saving space, but also improving teaching efficiency;

2. in the utility model, by arranging the sleeve, the chalk, the square hole, the screw hole, the rotating shaft and the sucker, the first ruler and the second ruler can be firstly pulled apart, the sucker is utilized to adsorb the second ruler on the blackboard, then the first ruler is rotated by taking the sucker as the center, a required circle is drawn, the adsorption effect of the sucker is good, the sucker is not easy to slip from the blackboard, and the damage to the blackboard is small;

to sum up, the utility model discloses simple structure, convenient operation, multiple teaching aid combines, not only saves space, has still improved teaching efficiency, satisfies different teaching demands, and is little to the blackboard damage.

Drawings

Fig. 1 is a schematic structural view of a multifunctional ruler for mathematical education provided by the present invention;

fig. 2 is the utility model provides a A department's enlarger of multi-functional ruler for mathematical education.

In the figure: the device comprises a first ruler 1, a sleeve 2, a chalk 3, a piston 4, a connecting rod 5, a clamp 6, a triangular ruler 7, a second ruler 8, a groove 9, a square hole 10, a screw hole 11, a screw rod 12, a knob 13, a rotating shaft 14, a sucking disc 15, an arc-shaped groove 16, a transverse plate 17, a sliding block 18, a sliding groove 19, a vertical rod 20, a protractor 21, a clamping groove 22 and a clamping block 23.

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. 1-2, a multifunctional ruler for mathematical education comprises a first ruler 1, a sleeve 2 is arranged at the bottom of one side of the first ruler 1, a movably connected chalk 3 is arranged in the sleeve 2, a piston 4 is arranged above the chalk 3 in the sleeve 2, a connecting rod 5 is arranged at the top of the piston 4, a clamp 6 is arranged at the top of the connecting rod 5 above the sleeve 2, a movably connected triangular ruler 7 is arranged at the top of the clamp 6 at one side of the first ruler 1, a second ruler 8 is hinged at the top of the other side of the first ruler 1, a groove 9 is arranged at the top of the second ruler 8, a square hole 10 is arranged in the second ruler 8 below the groove 9 in a penetrating manner, a screw hole 11 is vertically arranged in the bottom of the square hole 10 in the second ruler 8 in a penetrating manner, a movably connected screw rod 12 is arranged in the screw hole 11 in a matching manner, a knob 13 is arranged in the square hole 10 at, screw hole 11 is run through to screw rod 12 bottom is equipped with swing joint's pivot 14 in 8 below of second ruler, pivot 14 bottom is equipped with sucking

disc

15, 8 bottoms of second ruler be equipped with 15 assorted arcs 16 of sucking disc, the level is equipped with swing joint's diaphragm 17 in the recess 9, diaphragm 17 both sides all are equipped with slider 18, vertically in the recess 9 be equipped with slider 18 assorted spout 19, diaphragm 17 top is equipped with pole setting 20, pole setting 20 top articulates there is protractor 21, 8 tops of second ruler are equipped with draw-in groove 22 above

spout

19, 1 top of first ruler be equipped with draw-in groove 22 assorted fixture block 23.

2 inner wall both sides of sleeve pipe all are equipped with the spring clamping piece, chalk 3 is located between two spring clamping pieces, 13 surface covers of knob are equipped with the antiskid cover, the right angle set square of set square 7 for having 30 contained angles, 19 inner wall tops of spout are equipped with the stopper, the length of first straight rule 1 equals with the length of second straight rule 8.

The utility model discloses in, multiple mathematics teaching aid is in the same place, not only save space, teaching efficiency has still been improved, the user can make up first ruler 1 and second ruler 8 into a longer ruler, also can dial first ruler 1 and second ruler 8 open, utilize sucking disc 15 to adsorb second ruler 8 on the blackboard, then use sucking disc 15 to rotate first ruler 1 as the center, draw required circle, sucking disc 15's adsorption efficiency is good, it is difficult for landing from the blackboard, and it is little to the damage of blackboard, when needing angle measurement, promote diaphragm 17 and make protractor 21 remove outside recess 9, protractor 21 not the time spent can put back in the recess 9 on the second ruler, satisfy different teaching demands, the utility model discloses simple structure, convenient operation.

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 multifunctional ruler for mathematics teaching comprises a first ruler (1) and is characterized in that a sleeve (2) is arranged at the bottom of one side of the first ruler (1), movably connected chalks (3) are arranged in the sleeve (2), a piston (4) is arranged above the chalks (3) in the sleeve (2), a connecting rod (5) is arranged at the top of the piston (4), a clamp (6) is arranged at the top of the connecting rod (5) above the sleeve (2), a movably connected triangular ruler (7) is arranged at the top of the clamp (6) at one side of the first ruler (1), a second ruler (8) is hinged to the top of the other side of the first ruler (1), a groove (9) is arranged at the top of the second ruler (8), a square hole (10) is arranged in the second ruler (8) in a penetrating manner below the groove (9), and a screw hole (11) is vertically arranged in the second ruler (8) in the bottom of the square hole (10), the screw rod (12) is provided with a movable connection in the screw hole (11) in a matching manner, the top of the screw rod (12) penetrates through the screw hole (11) and is provided with a knob (13) in a square hole (10), the bottom of the screw rod (12) penetrates through the screw hole (11) and is provided with a rotating shaft (14) which is movably connected below the second ruler (8), the bottom of the rotating shaft (14) is provided with a sucker (15), the bottom of the second ruler (8) is provided with an arc-shaped groove (16) matched with the sucker (15), the horizontal part in the groove (9) is provided with a movably connected transverse plate (17), both sides of the transverse plate (17) are provided with sliders (18), a sliding groove (19) which is matched with the sliders (18) is vertically arranged in the groove (9), the top of the transverse plate (17) is provided with a vertical rod (20), the top of the vertical rod (20) is hinged with a protractor (21), and a clamping block (23) matched with the clamping groove (22) is arranged at the top of the first ruler (1).

2. The multifunctional ruler for mathematics teaching as claimed in claim 1, characterized in that the two sides of the inner wall of the sleeve (2) are provided with spring clips, and the chalk (3) is positioned between the two spring clips.

3. The multifunctional ruler for mathematics teaching as claimed in claim 1, characterized in that the outer surface of said knob (13) is sleeved with an anti-slip cover.

4. A multifunctional ruler for mathematics teaching as claimed in claim 1, characterized in that said set square (7) is a right-angled set square with an included angle of 30 °.

5. The multifunctional ruler for mathematics teaching as claimed in claim 1, characterized in that the top of the inner wall of said chute (19) is provided with a limiting block.

6. A multifunctional ruler for mathematics teaching as claimed in claim 1, characterized in that said first ruler (1) has the same length as said second ruler (8).