CN216268393U

CN216268393U - Line segment quick equal division marking ruler for primary school mathematics

Info

Publication number: CN216268393U
Application number: CN202122553294.9U
Authority: CN
Inventors: 张克荣; 姜智霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-12
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a line segment quick equal division ruler for primary mathematics, and relates to the technical field of equal division rulers. Including the fixed block, the fixed slot has been seted up on the top of fixed block, the three hornblocks of back fixedly connected with of fixed block, the removal subassembly sets up the inside at the fixed block, the removal subassembly includes the cylinder pole, the outer wall fixedly connected with connecting rod of cylinder pole, the back fixedly connected with movable block of connecting rod, the utility model relates to a drawing rule is divided equally fast with the line segment to primary school's mathematics has set up the removal subassembly, utilize the design of removal subassembly, cylinder pole and movable block are mutually supported, under the effect of stopper, when the atress, the inside horizontal slip of cylinder pole at the fixed slot, the movable block atress of being convenient for removes, can make the rapid removal to the position that needs of movable block, the cylinder ring is located the center department of rubber column, can be very fast acquisition bisector, positive magnet and negative magnet, both mutually support, be convenient for restrict the horizontal migration of movable block.

Description

Line segment quick equal division marking ruler for primary school mathematics

Technical Field

The utility model relates to the technical field of equant marking rules, in particular to a quick equant marking rule for a line segment for primary mathematics.

Background

With the development of education, the teaching quality of the people is improved, in the teaching of primary school mathematics, the equal division of a line segment is involved, namely, a straight line segment is equally divided into a plurality of equal divisions, at present, for the equal division of the line segment, a ruler or a compass is generally adopted, when the ruler is adopted, the line segment needs to be drawn firstly, then the data marked on the ruler is measured, a short line is drawn on the line segment according to the measured length, or a compass is adopted to separate two feet of the compass, so that the distance between the two feet of the compass is used for positioning the division length of the line segment, and then the compass is used for measuring the division length one by one.

In the existing line segment halving method adopted in teaching, data measurement is generally carried out by adopting straight scale marks, or the length of a line segment is divided by compasses, the speed of the two modes is low, and the teaching efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model discloses a line segment quick equal division ruler for primary mathematics, which aims to solve the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a line segment quick equal dividing ruler for primary school mathematics, comprising:

the top end of the fixed block is provided with a fixed groove, and the back of the fixed block is fixedly connected with a triangular block;

the moving assembly is arranged inside the fixing block and comprises a cylindrical rod, a connecting rod is fixedly connected to the outer wall of the cylindrical rod, and a moving block is fixedly connected to the back of the connecting rod.

Preferably, one side of the cylindrical rod is fixedly connected with a rubber column, and the outer wall of the rubber column is fixedly connected with a cylindrical sleeve.

Preferably, one end of the rubber column is fixedly connected with a fixing plate, and the fixing plate is fixedly arranged in the fixing groove.

Preferably, the front surface of the fixing block is fixedly connected with an elongated block, and the top end of the elongated block is fixedly connected with a positive magnet.

Preferably, the front surface of the long block is provided with a moving groove, and a fixing rod is slidably inserted into the moving groove.

Preferably, the front surface of the fixed rod is fixedly connected with a rotating plate, and the fixed rod is fixedly connected with the cylindrical rod.

Preferably, the outer wall of the rotating plate is rotatably connected with a limiting block, and a negative magnet is embedded in the back of the limiting block.

The utility model discloses a line segment quick equal dividing ruler for primary mathematics, which has the following beneficial effects:

1. the utility model relates to a quick partition marking off chi of line segment for primary school's mathematics has set up the removal subassembly, utilizes the design that removes the subassembly, and the cylinder pole is mutually supported with the movable block, and under the effect of stopper, when the atress, the cylinder pole is at the inside horizontal slip of fixed slot, and the movable block atress of being convenient for removes, can make rapid removal of movable block to the position that needs, and the cylinder ring lies in the center department of rubber column, can be very fast acquisition etc. mark, easy operation is convenient.

2. The utility model discloses a quick halving marking off chi of line segment for primary school's mathematics has set up positive magnet and negative magnet, and both mutually support, attract each other, are convenient for restrict the horizontal migration of movable block, and when the halving marking off chi was used, the cylinder pole atress removed the position back of needs, and it is fixed that the convenience is restricted the stopper, makes the unable removal of cylinder pole.

Drawings

FIG. 1 is a schematic view of an equal division scribing ruler structure of the utility model;

FIG. 2 is a cross-sectional view of a stop block of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. a fixed block; 101. fixing grooves; 2. a triangular block; 3. a moving block; 4. a cylindrical rod; 5. a connecting rod; 6. a rubber column; 7. a cylindrical sleeve; 8. a fixing plate; 9. a positive magnet; 10. an elongated block; 11. a moving groove; 12. a limiting block; 13. fixing the rod; 14. a rotating plate; 15. a negative magnet.

Detailed Description

The embodiment of the utility model discloses a line segment quick equal dividing ruler for primary school mathematics, which is shown in figures 1-3 and comprises:

the fixed block 1, the fixed block 1 is a cuboid, the portable handheld portable convenient use, the fixed block 1 is mutually matched with the triangular block 2, the line segment is conveniently divided equally, the top end of the fixed block 1 is provided with a fixed groove 101, the fixed groove 101 is used for placing a cylindrical rod 4, the fixed groove 101 is mutually matched with the cylindrical rod 4, the fixed groove 101 is slidably and alternately connected with the cylindrical rod 4, when the fixed block is stressed, the cylindrical rod 4 slides in the fixed groove 101, the triangular block 2 is fixedly connected to the back of the fixed block 1, the triangular block 2 is triangular, the top end of the triangular block 2 is provided with scales for measuring the length of the line segment, the triangular block 2 is mutually matched with the movable block 3, and the line segment is conveniently divided equally;

remove the subassembly, it sets up the inside at fixed block 1 to remove the subassembly, it includes cylinder pole 4 to remove the subassembly, cylinder pole 4 is cylindrically, cylinder pole 4 and rubber column 6 mutually support, when the atress, cylinder pole 4 drives movable block 3 horizontal migration, make things convenient for triangle piece 2 to carry out the partition to the line section, the outer wall fixedly connected with connecting rod 5 of cylinder pole 4, connecting rod 5 plays the effect of connecting, cylinder pole 4 passes through connecting rod 5 fixed connection with movable block 3, it carries out horizontal migration to be convenient for the three atress, the back fixedly connected with movable block 3 of connecting rod 5, movable block 3 laminates with triangle piece 2 each other, both mutually support, when the atress, movable block 3 is at the top horizontal slip of triangle piece 2, be convenient for movable block 3 to divide equally according to the scale on triangle piece 2 tops.

One of them side fixedly connected with rubber column 6 of cylinder pole 4, rubber column 6 is cylindrically, rubber column 6 adopts the rubber material, stretch when the atress, reset when losing external force, rubber column 6 and cylinder cover 7 mutually support, be convenient for rubber column 6 when the atress removes, the length that can measure the line section carries out the equalling, the outer wall fixedly connected with cylinder cover 7 of

rubber column

6, 7 fixed mounting of cylinder cover are in the central point department of putting of rubber column 6, can carry out the equalling to the line segment through the position convenience of cylinder cover 7.

Wherein one end fixedly connected with fixed plate 8 of rubber column 6, fixed plate 8 are the cuboid, and 8 fixed mounting of fixed plate are in the inside of fixed slot 101, and fixed plate 8 plays the one end of fixing rubber column 6, and the rubber column 6 of being convenient for carries out horizontal migration along with the 4 atress of cylinder pole.

The long-shaped piece 10 of positive fixedly connected with of fixed block 1, long-shaped piece 10 uses with fixed block 1 mutually supporting, the positive magnet 9 of top fixedly connected with of long-shaped piece 10, positive magnet 9 uses with 15 collocation of negative magnet, be convenient for restrict stopper 12's horizontal migration, shifting chute 11 has been seted up in long-shaped piece 10's front, shifting chute 11 link up with fixed slot 101 mutually, be convenient for cylinder pole 4 atress carry out horizontal migration, shifting chute 11's inside is used for placing dead lever 13, shifting chute 11 mutually supports with dead lever 13, the inside slip interlude of shifting chute 11 is connected with dead lever 13, when the atress, dead lever 13 is at the inside horizontal migration of shifting chute 11.

The front surface of the fixed rod 13 is fixedly connected with a rotating plate 14, the rotating plate 14 is in a circular plate shape, the back surface of the limiting block 12 is provided with a T-shaped groove, the rotating plate 14 is placed in the T-shaped groove, the T-shaped groove is matched with the rotating plate 14 and is rotatably connected with the rotating plate 14, when the force is applied, the rotating plate 14 rotates in the T-shaped groove, the fixed rod 13 is fixedly connected with the cylindrical rod 4, when the force is applied, the cylindrical rod 4 horizontally moves along with the fixed rod 13, the outer wall of the rotating plate 14 is rotatably connected with a limiting block 12, the limiting block 12 is cuboid and convenient to hold by hands, the limiting block 12 is matched with the rotating plate 14, when the atress, stopper 12 rotates at the outer wall of rotor plate 14, and the dead lever 13 of being convenient for follows stopper 12 horizontal migration, and the back of stopper 12 is inlayed and is equipped with negative magnet 15, and negative magnet 15 restricts the horizontal migration of cylinder pole 4 through stopper 12 rotation.

The working principle is as follows:

when a user needs to use the equal division marking ruler, the limiting block 12 is held by hand, the limiting block 12 is stressed to rotate, the negative magnet 15 rotates along with the limiting block 12, the negative magnet 15 and the positive magnet 9 are far away from each other, and the limiting on the limiting block 12 is removed;

then the limiting block 12 is held by hand, the limiting block 12 is forced to horizontally move towards the direction close to the fixed plate 8, the rotating plate 14 horizontally moves along the direction of the limiting block 12, the fixed rod 13 horizontally moves along the direction of the limiting block 12, the cylindrical rod 4 horizontally moves along the direction of the fixed rod 13, the connecting rod 5 horizontally moves along the direction of the cylindrical rod 4, the moving block 3 horizontally moves along the direction of the connecting rod 5, the rubber column 6 horizontally moves along the direction of the cylindrical rod 4, the cylindrical sleeve 7 horizontally moves along the direction of the rubber column 6, the moving block 3 moves to one end of a line segment, and the cylindrical rod 4 stops moving;

the limiting block 12 is held by hand again, the limiting block 12 is stressed to rotate, the negative magnet 15 rotates along with the limiting block 12, the negative magnet 15 and the positive magnet 9 are attached to each other, the limiting block 12 is limited by the two magnets, and the limiting block 12 is fixed.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a line segment divides marking off chi fast equally for primary school's mathematics which characterized in that includes:

the fixing device comprises a fixing block (1), wherein a fixing groove (101) is formed in the top end of the fixing block (1), and a triangular block (2) is fixedly connected to the back of the fixing block (1);

the moving assembly is arranged inside the fixing block (1) and comprises a cylindrical rod (4), a connecting rod (5) is fixedly connected to the outer wall of the cylindrical rod (4), and a moving block (3) is fixedly connected to the back of the connecting rod (5).

2. The line segment quick equal dividing ruler for primary school mathematics as claimed in claim 1, wherein: one side of the cylindrical rod (4) is fixedly connected with a rubber column (6), and the outer wall of the rubber column (6) is fixedly connected with a cylindrical sleeve (7).

3. The line segment quick equal dividing ruler for primary school mathematics as claimed in claim 2, wherein: one end of the rubber column (6) is fixedly connected with a fixing plate (8), and the fixing plate (8) is fixedly installed inside the fixing groove (101).

4. The line segment quick equal dividing ruler for primary school mathematics as claimed in claim 1, wherein: the front surface of the fixing block (1) is fixedly connected with a long block (10), and the top end of the long block (10) is fixedly connected with a positive magnet (9).

5. The line segment quick equal dividing ruler for primary school mathematics as claimed in claim 4, wherein: the front surface of the long block (10) is provided with a moving groove (11), and a fixing rod (13) is connected to the inside of the moving groove (11) in a sliding and penetrating manner.

6. The line segment quick equal dividing ruler for primary school mathematics as claimed in claim 5, wherein: the front surface of the fixed rod (13) is fixedly connected with a rotating plate (14), and the fixed rod (13) is fixedly connected with the cylindrical rod (4).

7. The line segment quick equal dividing ruler for primary school mathematics as claimed in claim 6, wherein: the outer wall of rotating plate (14) rotates and is connected with stopper (12), negative magnet (15) are inlayed at the back of stopper (12).