CN211441737U

CN211441737U - Teaching ruler for high school mathematics teaching

Info

Publication number: CN211441737U
Application number: CN202020061769.5U
Authority: CN
Inventors: 廖洪波
Original assignee: Hengyang No8 High School
Current assignee: Hengyang No8 High School
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-08
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a teaching ruler for high school mathematics teaching, which comprises a main ruler, an angle auxiliary ruler and a chalk fixing groove, wherein the middle part of the bottom of the main ruler is movably connected with a connecting shaft, the inside of the connecting shaft is fixedly connected with a fastening nut, the outer wall of the connecting shaft is connected with the angle auxiliary ruler in an embedded manner, one side of the main ruler is fixedly connected with the chalk fixing groove, the inside of the chalk fixing groove is fixedly connected with a movable rail, the outer wall of the movable rail is connected with a movable block in an embedded manner, one side of the bottom of the movable block is fixedly connected with a chalk fixing block, the chalk fixing block can well fix chalks, the anti-skidding pressing plate improves the practicability of the device main body, double graduation lines improve the convenience of the device main body, a rubber pad improves the anti-skidding performance of the chalk fixing block, a teaching person can flexibly and accurately draw angles with different sizes by using an angle drawing, the teaching ruler is suitable for being used as a teaching ruler and has wide development prospect in the future.

Description

Teaching ruler for high school mathematics teaching

Technical Field

The utility model relates to a teaching aid technical field specifically is a teaching ruler for high school mathematics teaching.

Background

The ruler is also called a measuring ruler, and is a tool for drawing line segments (especially straight) and measuring length. The scale is usually graduated to measure length. Some rulers are provided with a hole in the middle in a special shape such as a letter or a circle, so that a user can conveniently draw a picture, and the ruler is generally used for measuring length and is generally divided into a measuring tape, a vernier caliper, a square and a straight ruler.

Mathematics teaching personnel is when imparting lessons, often can draw the not angle of equidimension, prior art, teaching personnel often need use many drawing tools can be accurate draw a angle, teaching personnel's teaching time has been wasted to this process, student's learning efficiency has been reduced, mathematics teaching personnel often need draw the not circle of equidimension in carrying out the geometry teaching, prior art, often, teaching personnel use big compasses to draw, big compasses not only inconvenient carrying, big compasses are easy because the link is connected insecurely in the use simultaneously, lead to teaching personnel at the drawing in-process, the distance between the compasses two feet changes, it is inconvenient to have brought for teaching personnel.

Therefore, how to design a teaching ruler for high school mathematics teaching becomes a problem that needs to be solved currently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching ruler for high school mathematics teaching to solve the reduction student's that proposes in the above-mentioned background art learning efficiency, the not good problem of convenience.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching ruler for high school mathematics teaching comprises a main ruler, an angle auxiliary ruler and a chalk fixing groove, wherein the middle part of the bottom of the main ruler is movably connected with a connecting shaft, a fastening nut is fixedly connected inside the connecting shaft, the outer wall of the connecting shaft is connected with the angle auxiliary ruler in an embedded mode, one side of the main ruler is fixedly connected with the chalk fixing groove, a movable rail is fixedly connected inside the chalk fixing groove, the outer wall of the movable rail is connected with a movable block in an embedded mode, the other side of the bottom of the movable block is fixedly connected with a positioning bolt, one side of the bottom of the movable block is fixedly connected with a chalk fixing block, the other side of the main ruler is fixedly connected with a connecting rod, the other side of the connecting rod is fixedly connected with a positioning block, a movable sleeve rod is fixedly connected inside the positioning block, the bottom of the movable sleeve rod is, the bottom fixedly connected with location sucking disc of installation threaded rod, the bottom fixedly connected with protractor of main scale, the top both sides embedding of activity loop bar is connected with spacing bolt.

Preferably, the other side of the front surface of the main scale is fixedly connected with an anti-skidding pressing plate.

Preferably, the surface of the main scale is fixedly connected with double scale marks.

Preferably, the surface of the chalk fixing block is tightly attached with a rubber pad.

Preferably, the connecting shaft in the middle of the bottom of the main scale, the fastening nut in the connecting shaft, the angle auxiliary scale on the outer wall of the connecting shaft and the protractor at the bottom of the main scale form an angle drawing auxiliary mechanism together.

Preferably, the chalk fixing groove on one side of the main ruler, the movable rail inside the chalk fixing groove, the movable block on the outer wall of the movable rail, the positioning bolt on the other side of the bottom of the movable block, the chalk fixing block on one side of the bottom of the movable block, the connecting rod on the other side of the main ruler, the positioning block on the other side of the connecting rod, the movable sleeve rod inside the positioning block, the mounting hole in the bottom of the movable sleeve rod, the mounting threaded rod inside the mounting hole, the positioning sucker at the bottom of the mounting threaded rod and the limiting bolts on two sides of the top of the movable sleeve rod jointly form.

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

1. this kind of a teaching ruler for high school mathematics teaching, through setting up drawing angle complementary unit, relevant teaching personnel can be not hard up the inside fastening nut of connecting axle when needing the drawing angle, and later rotation angle complementary unit treats that angle complementary unit is rotatory to suitable position after, recycle fastening nut with the connecting axle fixed can, teaching personnel can use the not equidimension angle of drawing that angle complementary unit is nimble, accurate.

2. This kind of a teaching ruler for high school mathematics teaching through setting up the location circle mechanism of drawing, and relevant teaching personnel need draw when circle, can make the location sucking disc adsorb on the blackboard, and the circle is drawn to the rotatory movable loop bar of spacing bolt of not hard up movable loop bar top both sides, and the circle mechanism is drawn to the location has made things convenient for the teaching personnel to draw the circle in the teaching work process, has avoided the teaching personnel to use big compasses, further improvement the convenience of device main part.

Drawings

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

fig. 2 is a schematic side sectional view of the main scale of the present invention;

FIG. 3 is a schematic sectional view of a chalk fixing groove according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the position a of the present invention.

In the figure: 1. the chalk fixing device comprises a main ruler, 2 an angle auxiliary ruler, 3 a chalk fixing groove, 4 double scale marks, 5 a protractor, 6 a connecting shaft, 7 a fastening nut, 8 an anti-skidding pressing plate, 9 a connecting rod, 10 a movable rail, 11 a movable block, 12 a positioning bolt, 13 a chalk fixing block, 14 a rubber pad, 15 a positioning block, 16 a movable sleeve rod, 17 a positioning sucker, 18 a mounting hole, 19 a mounting threaded rod, 20 a limiting bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a teaching ruler for high school mathematics teaching comprises a main ruler 1, an angle auxiliary ruler 2 and a chalk fixing groove 3, wherein the middle part of the bottom of the main ruler 1 is movably connected with a connecting shaft 6, the inside of the connecting shaft 6 is fixedly connected with a fastening nut 7, the outer wall of the connecting shaft 6 is connected with the angle auxiliary ruler 2 in an embedded manner, one side of the main ruler 1 is fixedly connected with the chalk fixing groove 3, the inside of the chalk fixing groove 3 is fixedly connected with a movable rail 10, the outer wall of the movable rail 10 is connected with a movable block 11 in an embedded manner, the other side of the bottom of the movable block 11 is fixedly connected with a positioning bolt 12, one side of the bottom of the movable block 11 is fixedly connected with a chalk fixing block 13, the other side of the main ruler 1 is fixedly connected with a connecting rod 9, the other side of the connecting rod 9 is fixedly connected with a, the inside swing joint of mounting hole 18 has installation threaded rod 19, and the bottom fixedly connected with location sucking disc 17 of installation threaded rod 19, the bottom fixedly connected with protractor 5 of main scale 1, the top both sides embedding of activity loop bar 16 are connected with stop cock 20.

Preferably, main scale 1's positive opposite side fixedly connected with antiskid presses on board 8, current mathematical education chi translocates easily in the use, it is inconvenient to have brought for relevant teaching personnel's use, press on board 8 through setting up the antiskid, antiskid presses on board 8 surface and is equipped with anti-skidding rubber, when teaching personnel hold antiskid press on board 8 with the hand, anti-skidding rubber can increase the friction between clamp plate and the teaching personnel palm of hand, when teaching personnel press on antiskid press on board 8 simultaneously, can make main scale 1 hug closely in the blackboard, the in-process of drawing at teaching personnel has been avoided, the phenomenon of translocating appears in main scale 1, the practicality of device main part has been improved.

Preferably, the fixed surface of main scale 1 is connected with two scale marks 4, and the present mathematics teaching chi is mostly only that the single face is equipped with the scale, and relevant teaching personnel can only utilize one side of teaching chi to draw, and the work of giving teaching personnel has brought inconveniently, and through setting up two-way scale mark 4, the upper surface and the lower surface of main scale 1 all are equipped with the scale mark, and teaching personnel no matter which scale of use can all draw, and the design of two-way scale mark 4 has improved the convenience of device main part.

Preferably, the rubber pad 14 is tightly attached to the surface of the chalk fixing block 13, the rubber pad 14 is soft in texture and has good anti-skid performance, when a teaching person fixes the chalk by using the chalk fixing block 13, the rubber pad 14 can protect the chalk from being broken, and the rubber pad 14 can enable the chalk fixing block 13 to firmly hold the chalk, so that the phenomenon of chalk translocation during the drawing process of the teaching person is avoided, and the anti-skid performance of the chalk fixing block 13 is improved.

Preferably, the connecting shaft 6 in the middle of the bottom of the main scale 1, the fastening nut 7 in the connecting shaft 6, the angle auxiliary scale 2 on the outer wall of the connecting shaft 6 and the angle gauge 5 at the bottom of the main scale 1 form an angle drawing auxiliary mechanism together, a mathematic teaching worker often draws angles with different sizes when giving a class, in the prior art, the teaching worker often needs to use a plurality of drawing tools to accurately draw one angle, the teaching time of the teaching worker is wasted in the process, the learning efficiency of students is reduced, through the angle drawing auxiliary mechanism, relevant teaching workers can loosen the fastening nut 7 in the connecting shaft 6 when needing to draw the angle, then the angle auxiliary scale 2 is rotated, after the angle auxiliary scale 2 rotates to a proper position, the connecting shaft 6 is fixed by the fastening nut 7, and the teaching worker can flexibly and accurately draw the angles with different sizes by using the angle drawing auxiliary mechanism, the drawing device has the advantages that the fact that teaching personnel use various drawing instruments in the drawing process is avoided, teaching burden of the teaching personnel is relieved, and meanwhile learning efficiency of students is improved.

Preferably, the chalk fixing groove 3 on one side of the main ruler 1, the movable rail 10 inside the chalk fixing groove 3, the movable block 11 on the outer wall of the movable rail 10, the positioning bolt 12 on the other side of the bottom of the movable block 11, the chalk fixing block 13 on one side of the bottom of the movable block 11, the connecting rod 9 on the other side of the main ruler 1, the positioning block 15 on the other side of the connecting rod 9, the movable sleeve rod 16 inside the positioning block 15, the mounting hole 18 at the bottom of the movable sleeve rod 16, the mounting threaded rod 19 inside the mounting hole 18, the positioning suction cup 17 at the bottom of the mounting threaded rod 19, and the limiting bolts 20 on both sides of the top of the movable sleeve rod 16 jointly form a positioning circle drawing mechanism, a mathematic teaching worker often needs to draw circles with different sizes in geometric teaching, in the prior art, the teaching worker often uses a large compass which is inconvenient to carry, and the large, lead to the teaching personnel at the drawing in-process, the distance between the compasses both feet changes, inconvenience has been brought for the teaching personnel, through setting up the location circle mechanism of drawing, relevant teaching personnel when needing to draw the circle, can become flexible earlier the pilot pin 12 of movable block 11 bottom opposite side, adjust the position of movable block 11 on movable rail 10, make chalk fixed block 13 fix the chalk, later install the positioning suction cup 17 to the mounting hole 18 of activity loop bar 16 bottom through installation threaded rod 19 in, make the positioning suction cup 17 adsorb on the blackboard at last, the spacing bolt 20 of the flexible loop bar 16 top both sides of becoming flexible can rotate the circle of activity loop bar 16, the location circle mechanism of drawing has made things convenient for the teaching personnel to draw the circle in teaching work process, avoided the teaching personnel to use big compasses, further improvement the convenience of device main part.

The working principle is as follows: firstly, by arranging the angle drawing auxiliary mechanism, when a relevant teaching person needs to draw an angle, the fastening nut 7 in the connecting shaft 6 can be loosened, then the angle auxiliary ruler 2 is rotated, after the angle auxiliary ruler 2 is rotated to a proper position, the connecting shaft 6 is fixed by the fastening nut 7, the teaching person can flexibly and accurately draw angles with different sizes by using the angle drawing auxiliary mechanism, the teaching person is prevented from using various drawing instruments in the drawing process, the teaching burden of the teaching person is reduced, and the learning efficiency of students is improved;

then, by arranging the positioning circle drawing mechanism, when a relevant teaching person needs to draw a circle, the positioning bolt 12 on the other side of the bottom of the movable block 11 can be loosened firstly, the position of the movable block 11 on the movable rail 10 is adjusted, the chalk is fixed by the chalk fixing block 13, then the positioning sucker 17 is installed in the installation hole 18 in the bottom of the movable sleeve rod 16 through the installation threaded rod 19, finally the positioning sucker 17 is adsorbed on the blackboard, the movable sleeve rod 16 can be rotated to draw a circle by loosening the limiting bolts 20 on the two sides of the top of the movable sleeve rod 16, the positioning circle drawing mechanism is convenient for the teaching person to draw a circle in the teaching working process, the teaching person is prevented from using a large compass, and the convenience of the device main body is further improved;

secondly, by arranging the bidirectional scale marks 4, the upper surface and the lower surface of the main scale 1 are provided with the scale marks, so that a teaching worker can draw no matter which scale is used, and the convenience of the device main body is improved due to the design of the bidirectional scale marks 4;

next, by arranging the anti-skidding pressing plate 8, the surface of the anti-skidding pressing plate 8 is provided with anti-skidding rubber, when a teaching worker holds the anti-skidding pressing plate 8 with a hand, the friction between the pressing plate and the palm of the teaching worker can be increased by the anti-skidding rubber, and meanwhile, when the teaching worker presses the anti-skidding pressing plate 8, the main ruler 1 can be tightly attached to a blackboard, so that the phenomenon that the main ruler 1 is translocated in the drawing process of the teaching worker is avoided, and the practicability of the device main body is improved;

finally, by arranging the rubber pad 14, the rubber pad 14 is soft in texture and has good anti-skid performance, when a teaching person uses the chalk fixing block 13 to fix the chalk, the rubber pad 14 can protect the chalk from being broken, and the rubber pad 14 can enable the chalk fixing block 13 to firmly hold the chalk, so that the phenomenon of chalk translocation in the process of drawing by the teaching person is avoided, the anti-skid performance of the chalk fixing block 13 is improved, and the teaching ruler for high school mathematics teaching is the working principle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a teaching ruler for high school's mathematical education, includes main scale (1), supplementary chi of angle (2) and chalk fixed slot (3), its characterized in that: the chalk fixing device is characterized in that a connecting shaft (6) is movably connected to the middle of the bottom of the main ruler (1), a fastening nut (7) is fixedly connected to the inside of the connecting shaft (6), an angle auxiliary ruler (2) is connected to the outer wall of the connecting shaft (6) in an embedded mode, a chalk fixing groove (3) is fixedly connected to one side of the main ruler (1), a movable rail (10) is fixedly connected to the inside of the chalk fixing groove (3), a movable block (11) is connected to the outer wall of the movable rail (10) in an embedded mode, a positioning bolt (12) is fixedly connected to the other side of the bottom of the movable block (11), a chalk fixing block (13) is fixedly connected to one side of the bottom of the movable block (11), a connecting rod (9) is fixedly connected to the other side of the main ruler (1), a positioning block (15) is fixedly connected to the, the bottom fixedly connected with mounting hole (18) of activity loop bar (16), the inside swing joint of mounting hole (18) has installation threaded rod (19), the bottom fixedly connected with location sucking disc (17) of installation threaded rod (19).

2. A teaching ruler for high school mathematics teaching according to claim 1, characterized in that: the bottom of the main ruler (1) is fixedly connected with a protractor (5), and two sides of the top of the movable loop bar (16) are connected with limit bolts (20) in an embedded mode.

3. A teaching ruler for high school mathematics teaching according to claim 1, characterized in that: the other side of the front surface of the main ruler (1) is fixedly connected with an anti-skidding pressing plate (8).

4. A teaching ruler for high school mathematics teaching according to claim 1, characterized in that: the surface of the main scale (1) is fixedly connected with double scale marks (4).

5. A teaching ruler for high school mathematics teaching according to claim 1, characterized in that: and a rubber pad (14) is tightly attached to the surface of the chalk fixing block (13).

6. A teaching ruler for high school mathematics teaching according to claim 1, characterized in that: the angle drawing auxiliary mechanism is characterized in that the connecting shaft (6) in the middle of the bottom of the main scale (1), the fastening nut (7) inside the connecting shaft (6), the angle auxiliary scale (2) on the outer wall of the connecting shaft (6) and the protractor (5) at the bottom of the main scale (1) jointly form an angle drawing auxiliary mechanism.

7. A teaching ruler for high school mathematics teaching according to claim 1, characterized in that: the chalk fixing device is characterized in that a chalk fixing groove (3) in one side of a main ruler (1), a movable rail (10) in the chalk fixing groove (3), a movable block (11) on the outer wall of the movable rail (10), a positioning bolt (12) on the other side of the bottom of the movable block (11), a chalk fixing block (13) on one side of the bottom of the movable block (11), a connecting rod (9) on the other side of the main ruler (1), a positioning block (15) on the other side of the connecting rod (9), a movable sleeve rod (16) in the positioning block (15), a mounting hole (18) in the bottom of the movable sleeve rod (16), a mounting threaded rod (19) in the mounting hole (18), a positioning sucker (17) at the bottom of the mounting threaded rod (19) and limiting bolts (20) on two sides of the top of.