CN216331116U

CN216331116U - Auxiliary teaching aid for mathematical education

Info

Publication number: CN216331116U
Application number: CN202122375478.0U
Authority: CN
Inventors: 温跃霞; 高华新
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-19
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to the technical field of mathematical teaching aids and discloses an auxiliary teaching aid for mathematical teaching, which comprises an upper triangular plate, wherein a penetrating rod is slidably connected inside the upper triangular plate, a spring is arranged on the outer surface of the penetrating rod, the bottom end of the penetrating rod is rotatably connected with a lower triangular plate, the outer surface of the penetrating rod is rotatably connected with a fixed rod, the bottom of the fixed rod is fixedly connected with a fixed insertion tube, the outer surface of the fixed insertion tube is in threaded connection with a fixed ring, and a groove is formed in one side surface, close to the fixed insertion tube, of the lower triangular plate. The utility model has the following advantages and effects: mathematics mr inserts fixed intubate with the chalk, rotates solid fixed ring and strengthens the fixed to the chalk, rotates the dead lever to required angle after, rotates fixed turn-button and carries out the thread tightening at the surface of wearing the pole, makes spring pressurized shrink, strengthens the fixed rotation prevention to the dead lever, and integrated device convenient and fast promotes integrated device's work efficiency, saves live time.

Description

Auxiliary teaching aid for mathematical education

Technical Field

The utility model relates to the technical field of mathematics teaching aids, in particular to an auxiliary teaching aid for mathematics teaching.

Background

In the teaching process, often need show triangle-shaped and quadrangle for the student, need often measure length and angle again simultaneously, still need draw the circle on the blackboard sometimes, need use auxiliary teaching aid.

Chinese patent publication No. CN204354677U discloses an auxiliary teaching aid for mathematical education, including four bar rulers, per two rulers end to end, ruler one is isometric with ruler four, ruler two is isometric with ruler three, ruler one is long in ruler two, ruler one is articulated with ruler four, ruler two is articulated with ruler three, ruler one and ruler four keep away from the hinged end and all are provided with the spout, be provided with the head of connecting ruler one and ruler two in ruler one's the spout, be provided with the head of connecting ruler three and ruler four in ruler four's the spout, the teaching aid is still including drawing circle chi and curved ruler, but this utility model when the in-service use, the storage of integrated device is more weak, and whole space occupation scope is great, consequently needs an auxiliary teaching aid for mathematical education.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an auxiliary teaching aid for mathematical education, which has the effects of enhancing the storage property of the whole device and facilitating adjustment.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides an auxiliary teaching aid for mathematical education, includes the set-square, the inside sliding connection who goes up the set-square has the pole of wearing, the surface of wearing the pole is provided with the spring, the bottom of wearing the pole is rotated and is connected with down the set-square, the surface of wearing the pole is rotated and is connected with the dead lever, the fixed intubate of bottom fixedly connected with of dead lever, the surface threaded connection of fixed intubate has solid fixed ring, a side that the set-square is close to fixed intubate down is seted up flutedly, the inner wall of recess rotates and is connected with branch, the surface fixed connection of branch has the pilot pin, the top threaded connection who wears the pole has fixed turn button.

Through adopting the above-mentioned technical scheme, mathematics mr inserts fixed intubate with the chalk, it strengthens the fixed to the chalk to rotate solid fixed ring, rotate the dead lever to required angle after, it carries out the thread tightening to rotate fixed turn-button at the surface of wearing the pole, make the spring pressurized shrink, strengthen the fixed rotation prevention to the dead lever, to place the pilot pin in the recess and roll out and place and carry out the operation of drawing a circle at the centre of a circle point, it recycles to supreme set-square and lower set-square to relax fixed turn-button rotation dead lever after the end of drawing a circle, save placement space, when needing to use the set-square to measure, it measures to rotate lower set-square, integrated device convenient and fast, the work efficiency who promotes integrated device, save the live time, promote integrated device's flexibility.

The utility model is further provided with: a reinforcing baffle is fixedly connected to one side face, close to the positioning needles, of the lower triangular plate, and a half-arc groove is formed in one side face of the reinforcing baffle.

Through adopting above-mentioned technical scheme, the reinforced baffle strengthens placing and fixing of pilot pin, prevents to rock, promotes the stability of whole device.

The utility model is further provided with: the outer surface of the fixed insertion tube is provided with a hollow groove, and the inner wall of the lower triangular plate is rotatably connected with a cylinder.

Through adopting above-mentioned technical scheme, the fixed intubate is strengthened to the dead slot can place the space in inside, strengthens fixing the chalk.

The utility model is further provided with: the cylindrical inside draw-in groove has been seted up, the inside joint of draw-in groove has the card post, the surface sliding connection of card post has the protractor.

Through adopting above-mentioned technical scheme, the mathematics mr pushes down the card post on the angle square and inserts the inside draw-in groove of cylinder, and it is rotatory to rotate out the drive cylinder with the inside of angle square follow set-square and lower set-square, makes the mathematics mr drive integrated device's removal through the angle square of taking, and the angle square uses the back to change over to the angle square to last set-square and place down between the set-square, connects the occupation of land space that rises integrated device.

The utility model is further provided with: the bottom of going up the set square fixedly connected with chi lagging, the cavity has been seted up to the inside of chi lagging.

Through adopting above-mentioned technical scheme, the protection nature to the ruler is strengthened to the chi lagging, reduces the damage.

The utility model is further provided with: the inside sliding connection of chi lagging has the ruler, a side of chi lagging and a side joint of set square down.

Through adopting above-mentioned technical scheme, when mathematics mr needs to measure, draw and get the ruler and measure, push ruler lagging inside after the measurement and deposit.

The utility model has the beneficial effects that:

1. according to the utility model, through the matching arrangement of the upper triangular plate, the penetrating rod, the spring, the lower triangular plate, the fixed rod, the fixed cannula, the fixed ring, the support rod, the positioning needle and the fixed rotary button, when the device is used, a math teacher inserts chalk into the fixed cannula, the fixed ring is rotated to strengthen the fixation of the chalk, after the fixed rod is rotated to a required angle, the fixed rotary button is rotated to carry out thread fixation on the outer surface of the penetrating rod, the spring is compressed and contracted, the fixation to the fixed rod is strengthened and prevented from rotating, the positioning needle placed in the groove is rotated out to be placed at a center point for circle drawing operation, after the circle drawing is finished, the fixed rotary button is loosened to rotate the fixed rod to be recovered between the upper triangular plate and the lower triangular plate, the placing space is saved, when the triangular plate is required to be used for measurement, the lower triangular plate is rotated for measurement, the whole device is convenient and rapid, and the working efficiency of the whole device is improved, the service time is saved, and the flexibility of the whole device is improved.

2. According to the utility model, through the matching arrangement of the reinforcing baffle plate, the semi-arc groove, the empty groove, the cylinder, the clamping column, the angle measuring ruler, the ruler sleeve plate, the straight ruler, the groove and the cavity, when the device is used, a math teacher can press the clamping column on the angle measuring ruler down to be inserted into the clamping groove in the cylinder, the angle measuring ruler is rotated out from the inner parts of the upper triangular plate and the lower triangular plate to drive the cylinder to rotate, so that the math teacher can drive the whole device to move by taking the angle measuring ruler, the angle measuring ruler is rotated between the upper triangular plate and the lower triangular plate to be placed after being used, and the occupied space of the whole device is increased.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of an explosive structure according to the present invention;

FIG. 2 is a schematic view of a fixing rod according to the present invention;

FIG. 3 is a schematic view of the angle square of the present invention;

FIG. 4 is a schematic view of the structure of the empty slot of the present invention;

FIG. 5 is a schematic view of a positioning pin according to the present invention;

FIG. 6 is a schematic diagram of the structure of the ruler sleeve of the present invention.

In the figure, 1, an upper triangle; 2. penetrating a rod; 3. a spring; 4. a lower triangular plate; 5. fixing the rod; 6. fixing the cannula; 7. a fixing ring; 8. a strut; 9. a positioning pin; 10. fixing the rotating button; 11. reinforcing the baffle; 12. a half-arc groove; 13. an empty groove; 14. a cylinder; 15. clamping the column; 16. an angle measuring ruler; 17. a ruler sleeve plate; 18. a straightedge; 19. a groove; 20. a cavity.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1-6, an auxiliary teaching aid for mathematical education comprises an upper triangular plate 1, a penetrating rod 2 is slidably connected inside the upper triangular plate 1, a spring 3 is arranged on the outer surface of the penetrating rod 2, a lower triangular plate 4 is rotatably connected to the bottom end of the penetrating rod 2, a fixed rod 5 is rotatably connected to the outer surface of the penetrating rod 2, a fixed inserting tube 6 is fixedly connected to the bottom of the fixed rod 5, a fixed ring 7 is connected to the outer surface of the fixed inserting tube 6 through a thread, a groove 19 is formed in one side surface of the lower triangular plate 4 close to the fixed inserting tube 6, a supporting rod 8 is rotatably connected to the inner wall of the groove 19, a positioning needle 9 is fixedly connected to the outer surface of the supporting rod 8, a fixed knob 10 is rotatably connected to the top end of the penetrating rod 2 through a thread, a math teacher inserts a chalk into the fixed inserting tube 6, the fixed ring 7 is rotated to strengthen the fixation of the chalk, after the fixed rod 5 is rotated to a required angle, the fixed knob 10 is rotated on the outer surface of the penetrating rod 2 through a thread, the spring 3 is compressed and contracted to strengthen the fixation of the fixed rod 5 and prevent rotation, the positioning needle 9 placed in the groove 19 is rotated out and placed at the center point to draw a circle, the fixed rotating button 10 is loosened after the circle is drawn, the rotating fixed rod 5 is recycled between the upper triangular plate 1 and the lower triangular plate 4, the placing space is saved, when the triangular plate is needed to be used for measurement, the lower triangular plate 4 is rotated to carry out measurement, the integral device is convenient and quick, the working efficiency of the integral device is improved, the using time is saved, the flexibility of the integral device is improved, a reinforcing baffle plate 11 is fixedly connected to one side surface of the lower triangular plate 4 close to the positioning needle 9, a semi-arc groove 12 is formed in one side surface of the reinforcing baffle plate 11, a hollow groove 13 is formed in the outer surface of the fixed insertion pipe 6, a cylinder 14 is rotatably connected to the inner wall of the lower triangular plate 4, a clamping groove is formed in the inner part of the cylinder 14, a clamping column 15 is clamped in the clamping groove, a measuring angle ruler 16 is slidably connected to the outer surface of the clamping column 15, go up the bottom fixedly connected with chi lagging 17 of set square 1, cavity 20 has been seted up to the inside of chi lagging 17, the inside sliding connection of chi lagging 17 has ruler 18, a side of chi lagging 17 and a side joint of set square 4 down, mathematics mr pushes down card post 15 on the protractor 16 and inserts in the inside draw-in groove of cylinder 14, it is rotatory to rotate out drive cylinder 14 with the inside of set square 16 follow set square 1 and set square 4 down, make the mathematics mr drive integrated device's removal through taking the set square 16, place between set square 1 and the set square 4 down with set square 16 commentaries on classics to after the use of set square 16, connect the occupation of land space that rises integrated device.

In the utility model, through the matching arrangement of the upper triangular plate 1, the penetrating rod 2, the spring 3, the lower triangular plate 4, the fixed rod 5, the fixed insertion tube 6, the fixed ring 7, the supporting rod 8, the positioning needle 9 and the fixed rotary button 10, when the device is used, a math teacher inserts a chalk into the fixed insertion tube 6, rotates the fixed ring 7 to strengthen the fixation of the chalk, rotates the fixed rotary button 10 to rotate to a required angle, carries out threaded fixation on the outer surface of the penetrating rod 2, leads the spring 3 to be compressed and contracted, strengthens the fixation of the fixed rod 5 to prevent rotation, rotates the positioning needle 9 arranged in the groove 19 out to be arranged at a centre point for circle drawing operation, loosens the fixed rotary button 10 after the circle drawing is finished, rotates the fixed rod 5 to be recovered between the upper triangular plate 1 and the lower triangular plate 4, saves the arrangement space, when the triangular plate is required to be used for measurement, rotates the lower triangular plate 4 for measurement, integrated device convenient and fast, promote integrated device's work efficiency, save live time, promote integrated device's flexibility, through consolidating baffle 11, half arc groove 12, dead slot 13, cylinder 14, card post 15, angle square 16, ruler cover board 17, ruler 18, cooperation setting between recess 19 and the cavity 20, can make this device when using, mathematics mr pushes down card post 15 on the angle square 16 and inserts in the inside draw-in groove of cylinder 14, it is rotatory to rotate out drive cylinder 14 with angle square 16 from the inside of last set square 1 and lower set square 4, make the mathematics mr drive integrated device's removal through taking angle square 16, angle square 16 uses the back and changes over to angle square 16 and place between set square 1 and the lower set square 4, connect the occupation of land space that rises integrated device.

Claims

1. The utility model provides a mathematics teaching is with supplementary teaching aid, includes set-square (1), its characterized in that: go up the inside sliding connection of set-square (1) and wear pole (2), the surface of wearing pole (2) is provided with spring (3), the bottom of wearing pole (2) is rotated and is connected with down set-square (4), the surface of wearing pole (2) is rotated and is connected with dead lever (5), the fixed intubate (6) of bottom fixedly connected with of dead lever (5), the surface threaded connection of fixed intubate (6) has solid fixed ring (7), a side that set-square (4) is close to fixed intubate (6) down is seted up fluted (19), the inner wall of recess (19) is rotated and is connected with branch (8), the surface fixed connection of branch (8) pilot pin (9), the top threaded connection of wearing pole (2) has fixed knob (10).

2. An auxiliary teaching aid for mathematical education as claimed in claim 1, wherein: a reinforcing baffle (11) is fixedly connected to one side face of the lower triangular plate (4) close to the positioning needle (9), and a semi-arc groove (12) is formed in one side face of the reinforcing baffle (11).

3. An auxiliary teaching aid for mathematical education as claimed in claim 1, wherein: the outer surface of the fixed insertion tube (6) is provided with a hollow groove (13), and the inner wall of the lower triangular plate (4) is rotatably connected with a cylinder (14).

4. An auxiliary teaching aid for mathematical education as claimed in claim 3, wherein: the inside of cylinder (14) has seted up the draw-in groove, the inside joint of draw-in groove has card post (15), the surface sliding connection of card post (15) has protractor (16).

5. An auxiliary teaching aid for mathematical education as claimed in claim 1, wherein: the bottom of the upper triangular plate (1) is fixedly connected with a ruler sleeve plate (17), and a cavity (20) is formed in the ruler sleeve plate (17).

6. An auxiliary teaching aid for mathematical education as claimed in claim 5, wherein: the inside sliding connection of chi lagging (17) has ruler (18), a side of chi lagging (17) and a side joint of set square (4) down.