CN210667370U

CN210667370U - Mathematical function teaching board

Info

Publication number: CN210667370U
Application number: CN201920868110.8U
Authority: CN
Inventors: 刘艳; 曲树献; 张书瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-06-02
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a mathematical function teaching board, including teaching board base, the intermediate position department at teaching board base top is provided with interior sleeve pipe, and interior sheathed tube outside is provided with the outer tube, the lateral wall of outer tube is provided with altitude mixture control subassembly, and the top of outer tube installs U type frame, the cavity has been seted up to the top symmetry of U type frame inboard, and the interior top of cavity and interior bottom all are provided with spacing arch, the bilateral symmetry of U type frame is provided with the dwang. The utility model discloses install magnetic slider, Y axle sign pole and X axle sign pole, the position of the adjustment initial point of being convenient for can satisfy the demand of simulating various function images, combines magnetic path, soft rope and pivot, can simulate out the shape of function image, not only can be swiftly effectual simulation image, practices thrift the time of giving lessons, improves student's interest in learning, gives up moreover and uses the chalk drawing, has avoided the injury that the dust caused the human body.

Description

Mathematical function teaching board

Technical Field

The utility model relates to a teaching aid technical field specifically is a mathematical function teaching board.

Background

In mathematical function teaching, the graph of the function f refers to a set [1] composed of all ordered pairs, pairs (x, f (x)), and specifically, if x is a real number, the graph of the function appears as a curve on a plane rectangular coordinate system. And need draw corresponding function picture and assist the teaching at function teaching in-process, general teaching mode is that the teacher draws the function picture with the chalk is manual, not only consume the time of giving lessons, the nonstandard that still draws easily, influence the teaching quality, still make the student lose the interest of study owing to waiting for easily, general function teaching board function singleness, can not adjust the angle and the height of teaching board, and can not adjust the position of initial point, influence the effect of teaching, and current teaching board can not simulate the function image and teach, extravagant classroom time is drawn.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mathematical function teaching board to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a mathematical function teaching board comprises a teaching board base and a support rod, wherein an inner sleeve is arranged at the middle position of the top of the teaching board base, an outer sleeve is arranged outside the inner sleeve, a height adjusting assembly is arranged on the side wall of the outer sleeve, a U-shaped frame is arranged at the top of the outer sleeve, cavities are symmetrically formed in the top end of the inner side of the U-shaped frame, limiting bulges are arranged on the inner top and the inner bottom of each cavity, rotating rods are symmetrically arranged on two sides of the U-shaped frame and penetrate through the U-shaped frame, limiting rings are arranged on the outer side wall of each rotating rod and matched with the limiting bulges, rotating blocks are arranged at one ends of the rotating rods, which are far away from the limiting rings, a teaching board main body is arranged between the two groups of rotating rods and fixed with the rotating rods, a magnetic board surface is arranged on one side of the teaching board main body, and sliding chutes are formed in the, the inside of spout all is provided with rather than sliding connection's magnetism slider, and is provided with Y axle sign pole and X axle sign pole between the symmetrical magnetism slider respectively, the bottom of U type frame lateral wall all with be provided with the simulation subassembly in with.

Preferably, the altitude mixture control subassembly includes profile of tooth stopper, spring, bracing piece and profile of tooth spacing groove, and is two sets of the bracing piece symmetry articulates the lateral wall at the outer tube, and the one end inboard of bracing piece all installs the spring, the other end of bracing piece extends to inside the endotheca pipe, and the bracing piece is close to interior sheathed tube one end and installs the profile of tooth stopper, the one end that interior endotheca pipe lateral wall is close to the profile of tooth stopper all evenly is provided with the profile of tooth spacing groove, and the profile of tooth spacing groove cooperatees.

Preferably, the simulation subassembly includes magnetic path, cord and pivot, the magnetic path sets up in the bottom of U type frame lateral wall, and all is provided with the cord between the adjacent magnetic path, the intermediate position department of magnetic path one side is provided with the pivot, and inside the other end of pivot extended to the magnetic path, the one end of cord is fixed on the lateral wall of pivot.

Preferably, the side wall of the rotating block is of a concave structure, and the side wall society of the rotating block only has anti-skidding threads.

Preferably, one end of the outer side of the support rod, which is close to the spring, is provided with a rubber layer.

Preferably, one side of the magnetic plate surface is provided with grid lines.

Compared with the prior art, the beneficial effects of the utility model are that: this mathematical function teaching board installs the magnetic slide block, Y axle sign pole and X axle sign pole, be convenient for adjust the position of initial point, can satisfy the demand of simulating various function images, combine the magnetic path, soft rope and pivot, can simulate out the shape of function image, not only can be swiftly effectual simulation image, practice thrift the time of giving lessons, improve student's interest in learning, and give up using the chalk drawing, the injury that the dust led to the fact to the human body has been avoided, spacing arch is installed to this mathematical function teaching board, spacing ring and turning block, be convenient for adjust the angle of magnetic plate face, so that more students can watch the simulation picture, combine the spring, interior outer tube, bracing piece and profile of tooth stopper, be convenient for adjust the holistic height of teaching board, the quality of teaching has been improved, avoid the back row student to see the function picture of simulation, be difficult to understand the teaching content.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. a U-shaped frame; 2. rotating the block; 3. a limiting bulge; 4. a teaching board main body; 5. magnetic board surface; 6. a magnetic slider; 7. a magnetic block; 8. a flexible cord; 9. a chute; 10. rotating the rod; 11. a limiting ring; 12. An inner sleeve; 13. a teaching board base; 14. a Y-axis marking rod; 15. an X-axis marker post; 16. a tooth-shaped limiting block; 17. a spring; 18. an outer sleeve; 19. a support bar; 20. a tooth-shaped limiting groove; 21. a rotating shaft; 22. a cavity.

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. 1-3, the present invention provides an embodiment: a mathematical function teaching board comprises a teaching board base 13 and a support rod 19, wherein an inner sleeve 12 is arranged at the middle position of the top of the teaching board base 13, an outer sleeve 18 is arranged outside the inner sleeve 12, so that the height of a teaching device can be conveniently adjusted, and the back-up students can clearly view the contents on the teaching board, a height adjusting component is arranged on the side wall of the outer sleeve 18, a U-shaped frame 1 is arranged at the top of the outer sleeve 18, cavities 22 are symmetrically arranged at the top end of the inner side of the U-shaped frame 1, limiting bulges 3 are arranged at the inner top and the inner bottom of the cavities 22, rotating rods 10 are symmetrically arranged on two sides of the U-shaped frame 1, the rotating rods 10 penetrate through the U-shaped frame 1, limiting rings 11 are arranged on the outer side walls of the rotating rods 10, the limiting rings 11 are matched with the limiting bulges 3, so that the angle of the teaching board can be conveniently adjusted to improve the effect of auxiliary teaching, rotating blocks 2 are arranged, be provided with teaching board main part 4 between two sets of dwang 10, and teaching board main part 4 is fixed mutually with dwang 10, one side of teaching board main part 4 is provided with magnetism face 5, and the four sides of magnetism face 5 one side have all been seted up spout 9, the inside of spout 9 all is provided with rather than sliding connection's magnetic slide 6, and be provided with Y axle sign pole 14 and X axle sign pole 15 between the symmetrical magnetic slide 6 respectively, be convenient for adjust the position of initial point, in order to adapt to the simulation of various function figures, the bottom of U type frame 1 lateral wall all with be provided with the simulation subassembly in.

In this implementation: the height adjusting assembly comprises tooth-shaped limiting blocks 16, springs 17, supporting rods 19 and tooth-shaped limiting grooves 20, the two groups of supporting rods 19 are symmetrically hinged on the outer side wall of the outer sleeve 18, the springs 17 are mounted on the inner sides of one ends of the supporting rods 19, the other ends of the supporting rods 19 extend into the inner sleeve 12, the tooth-shaped limiting blocks 16 are mounted on the ends, close to the inner sleeve 12, of the supporting rods 19, the tooth-shaped limiting grooves 20 are uniformly formed in one end, close to the tooth-shaped limiting blocks 16, of the outer side wall of the inner sleeve 12, the tooth-shaped limiting grooves 20 are matched with the tooth-shaped limiting blocks 16, the height of the teaching device is convenient to adjust, so that students in a back row can see the content of the teaching board, the simulating assembly comprises magnetic blocks 7, soft ropes 8 and rotating shafts 21, the magnetic blocks 7 are arranged at the bottom, and the other end of pivot 21 extends to inside magnetic path 7, the one end of flexible rope 8 is fixed on the lateral wall of pivot 21, the shape of supplementary analog function figure, improve supplementary teaching effect, the lateral wall of turning block 2 is sunk structure, and the lateral wall society of turning block 2 only has anti-skidding screw thread, stability when improving regulation teaching board device, the one end that the bracing piece 19 outside is close to spring 17 all is provided with the rubber layer, stability when improving the bracing piece of pinching, one side of magnetic plate face 5 is provided with the gridline, with the shape of more accurate analog function figure, improve teaching quality.

The working principle is as follows: the device is placed at an appointed position, the magnetic slide block 6 slides in the sliding groove 9, the transverse position of the Y-axis identification rod 14 and the longitudinal position of the X-axis identification rod 15 are adjusted, the original point is adjusted to be at a proper position, cosine and sine teaching is carried out, the magnetic block 7 is taken down from the bottom end of the side wall of the U-shaped frame 1 and adsorbed at the appointed position on the magnetic plate surface 5, the soft rope 8 is stretched from the magnetic block 7 to a proper length, the support rod 19 is pressed inwards according to the position relation of a function diagram in an analog function relation, the tooth-shaped limiting block 16 is pulled outwards and is released from limiting with the tooth-shaped limiting groove 20, the stretching of the inner sleeve 12 and the outer sleeve 18 is adjusted to adjust the height of the teaching board, the rotating block 2 is twisted to limit the limiting protrusion 3 and the corresponding groove on the limiting ring 11, the angle of the teaching board is adjusted, the rotating shaft 21 is rotated after the teaching is finished, the soft rope 8 is contained in, and the magnetic block 7 and the soft rope 8 are adsorbed at the bottom end of the side wall of the U-shaped frame 1.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A mathematical function teaching board comprising a teaching board base (13) and support bars (19), characterized in that: the teaching board comprises a teaching board base (13), wherein an inner sleeve (12) is arranged at the middle position of the top of the teaching board base (13), an outer sleeve (18) is arranged outside the inner sleeve (12), a height adjusting assembly is arranged on the side wall of the outer sleeve (18), a U-shaped frame (1) is installed at the top of the outer sleeve (18), a cavity (22) is symmetrically formed in the top of the inner side of the U-shaped frame (1), limiting bulges (3) are arranged on the inner top and the inner bottom of the cavity (22), rotating rods (10) are symmetrically arranged on two sides of the U-shaped frame (1), the rotating rods (10) penetrate through the U-shaped frame (1), limiting rings (11) are arranged on the outer side wall of the rotating rods (10), the limiting rings (11) are matched with the limiting bulges (3), rotating blocks (2) are installed at one ends, far away from the limiting rings (11), of the rotating rods (10), a teaching, and teaching board main part (4) are fixed mutually with dwang (10), one side of teaching board main part (4) is provided with magnetism face (5), and the four sides of magnetism face (5) one side have all seted up spout (9), the inside of spout (9) all is provided with rather than sliding connection's magnetism slider (6), and is provided with Y axle sign pole (14) and X axle sign pole (15) between symmetrical magnetism slider (6) respectively, the bottom of U type frame (1) lateral wall all with be provided with the simulation subassembly in.

2. A mathematical function teaching board according to claim 1 wherein: altitude mixture control subassembly includes profile of tooth stopper (16), spring (17), bracing piece (19) and profile of tooth spacing groove (20), and is two sets of bracing piece (19) symmetry articulates the lateral wall in outer tube (18), and the one end inboard of bracing piece (19) all installs spring (17), the other end of bracing piece (19) extends to interior sleeve pipe (12) inside, and bracing piece (19) are close to the one end of interior sleeve pipe (12) and install profile of tooth stopper (16), the one end that interior sleeve pipe (12) lateral wall is close to profile of tooth stopper (16) all evenly is provided with profile of tooth spacing groove (20), and profile of tooth spacing groove (20) and profile of tooth stopper (16) cooperate.

3. A mathematical function teaching board according to claim 2 wherein: the simulation subassembly includes magnetic path (7), soft rope (8) and pivot (21), magnetic path (7) set up in the bottom of U type frame (1) lateral wall, and all are provided with soft rope (8) between adjacent magnetic path (7), the intermediate position department of magnetic path (7) one side is provided with pivot (21), and inside the other end of pivot (21) extended to magnetic path (7), the one end of soft rope (8) is fixed on the lateral wall of pivot (21).

4. A mathematical function teaching board according to claim 1 wherein: the side wall of the rotating block (2) is of a concave structure, and the side wall society of the rotating block (2) only has anti-skidding threads.

5. A mathematical function teaching board according to claim 1 wherein: and a rubber layer is arranged at one end of the outer side of the supporting rod (19) close to the spring (17).

6. A mathematical function teaching board according to claim 1 wherein: one side of the magnetic plate surface (5) is provided with grid lines.