CN210166994U

CN210166994U - Novel stereoscopic mathematics teaching aid

Info

Publication number: CN210166994U
Application number: CN201920478702.9U
Authority: CN
Inventors: 楚茹辉; 李森
Original assignee: Henan Institute of Engineering
Current assignee: Henan Institute of Engineering
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-03-20
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a novel three-dimensional mathematics teaching aid, place the board including frame and two, the frame is frame construction, install a plurality of hyaline tubes and first threaded rod jointly on the interior diapire of frame and the interior roof, be located the homonymy be equipped with outer movable block, every jointly on the lateral wall of hyaline tube and first threaded rod equal mounting panel has solid fixed ring, every on the lateral wall of outer movable block install the stretch cord jointly between the solid fixed ring, every outer movable block all with the hyaline tube sliding connection of homonymy, every outer movable block all with the first threaded rod threaded connection of homonymy, every the inside of hyaline tube all is equipped with the second threaded rod. This scheme can embody through the line graph and bar graph simultaneously a set of data through the setting of each structure, has avoided loaded down with trivial details drawing operation, and very big reduction when drawing, simultaneously more directly perceived in the vision, the observation of being convenient for.

Description

Novel stereoscopic mathematics teaching aid

Technical Field

The utility model relates to a mathematics teaching aid technical field especially relates to novel three-dimensional mathematics teaching aid.

Background

In the mathematical teaching process, in order to intuitively express characteristics and association among a group of data, the characteristics and association need to be described through charts, wherein the charts comprise a line chart and a bar chart.

When a group of data is expressed through a line graph and a bar graph in the prior art, two graphs need to be drawn respectively, the drawing process is complex, a large amount of time is wasted, the drawn graphs lack stereoscopic impression and are not easy to observe, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that when drawing the line graph and the bar graph among the prior art, need draw respectively, the drawing process is loaded down with trivial details, extravagant a large amount of time, and the figure of drawing simultaneously lacks the third dimension, the shortcoming that is difficult for observing, and the novel three-dimensional mathematics teaching aid that proposes.

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

the novel three-dimensional mathematics teaching aid comprises a frame and two placing plates, wherein the frame is of a frame structure, a plurality of transparent tubes and first threaded rods are jointly installed on the inner bottom wall and the inner top wall of the frame, outer moving blocks are jointly arranged on the side walls of the transparent tubes and the first threaded rods which are positioned on the same side, fixing rings are installed on the side walls of the outer moving blocks, an elastic rope is jointly installed between the fixing rings, each outer moving block is in sliding connection with the transparent tubes on the same side, each outer moving block is in threaded connection with the first threaded rods on the same side, a second threaded rod is arranged inside each transparent tube, the top end of each second threaded rod extends to the upper side of the frame and is provided with a rotating wheel, a large gear is installed on the bottom wall of each rotating wheel, and the top end of each first threaded rod extends to the upper side of the frame and is provided with a small gear meshed with the large gear;

the novel rubber ball mounting structure is characterized in that a plurality of through holes are formed in the bottom wall of the frame in a penetrating mode, mounting pipes are mounted on the lower sides of the through holes, rubber balls are sleeved on the outer walls of the mounting pipes, red liquid is filled into the rubber balls and the transparent pipes, box bodies are covered on the outer sides of the rubber balls, each box body is fixed to the outer bottom wall of the frame, inner moving blocks are connected to the side walls of the second threaded rods in a threaded mode, the inner moving blocks are located inside the transparent pipes, two sliding blocks are symmetrically mounted on the side walls of the inner moving blocks, sliding grooves matched with the sliding blocks on the same side are formed in the inner wall of each transparent pipe, and sealing gaskets are mounted on the top walls of the inner moving blocks and the sliding blocks.

Preferably, every the bottom of second threaded rod all rotates and is connected with the bar shaped plate, every the bar shaped plate is all fixed on the inner wall that corresponds the through-hole, every the limiting plate is all installed on the lateral wall that the second threaded rod is close to the top, every the second threaded rod all rotates through the roof of limiting plate with the frame and is connected.

Preferably, the bottom of each first threaded rod is inserted into the bottom wall of the frame and is provided with a first rotating plate, a second rotating plate is arranged on the side wall, close to the top end, of each first threaded rod, and each first threaded rod is rotatably connected with the top wall of the frame through the second rotating plate.

Preferably, the outer side wall of each transparent tube is marked with scale marks.

Preferably, each rubber ball is bound and connected with the corresponding installation pipe through a binding belt.

Preferably, the side wall of each rotating wheel is provided with anti-skid grains.

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

this scheme can embody through the line graph and bar graph simultaneously a set of data through the setting of each structure, has avoided loaded down with trivial details drawing operation, and very big reduction when drawing, simultaneously more directly perceived in the vision, the observation of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the novel three-dimensional mathematics teaching aid provided by the utility model;

FIG. 2 is a diagram of the relationship between the transparent tube and the first threaded tube of the novel three-dimensional mathematics teaching aid provided by the utility model;

FIG. 3 is an enlarged view of the structure of part A of the novel three-dimensional mathematics teaching aid provided by the utility model;

fig. 4 is an enlarged view of the structure of part B of the novel stereoscopic mathematics teaching aid provided by the utility model.

In the figure: the device comprises a frame 1, a placing plate 2, a transparent tube 3, a first threaded rod 4, a second threaded rod 5, an inner moving block 6, a sliding block 7, a sealing gasket 8, an outer moving block 9, a fixing ring 10, an elastic rope 11, a box body 12, a mounting tube 13, a rubber ball 14, a rotating wheel 15, a gear wheel 16 and a pinion 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, novel three-dimensional mathematics teaching aid, place board 2 including frame 1 and two, frame 1 is frame construction, install a plurality of hyaline tubes 3 and first threaded rod 4 jointly on the interior diapire of frame 1 and the interior roof, be located and be equipped with outer movable block 9 jointly on the lateral wall of the hyaline tube 3 of homonymy and first threaded rod 4, equal mounting panel has solid fixed ring 10 on the lateral wall of every outer movable block 9, install stretch cord 11 jointly between every solid fixed ring 10, every outer movable block 9 all with the hyaline tube 3 sliding connection of homonymy, every outer movable block 9 all with the first threaded rod 4 threaded connection of homonymy, the inside of every hyaline tube 3 all is equipped with second threaded rod 5, the top of every second threaded rod 5 extends to the upside of frame 1 and installs runner 15, all install gear wheel 16 on the diapire of every runner 15, the top of every first threaded rod 4 all extends to the upside of frame 1 and installs the pinion 17 with gear wheel 16 looks meshing.

A plurality of through holes are arranged on the bottom wall of the frame 1 in a penetrating way, a mounting tube 13 is arranged at the lower side of each through hole, a rubber ball 14 is sleeved on the outer wall of each mounting tube 13, red liquid is filled in each rubber ball 14 and the transparent tube 3, the inner part of the transparent tube 3 can be completely filled with the red liquid by the elasticity of the rubber ball 14 under the initial state (namely when the inner moving block 6 is positioned at the highest point of the transparent tube 3), a box body 12 is completely covered at the outer side of each rubber ball 14, each box body 12 is fixed on the outer bottom wall of the frame 1, an inner moving block 6 is in threaded connection with the side wall of each second threaded rod 5, and the inner moving block 6 is positioned inside the transparent tube 3, two sliding blocks 7 are symmetrically arranged on the side wall of each inner moving block 6, a sliding groove matched with the sliding block 7 on the same side is formed in the inner wall of each transparent tube 3, and a sealing gasket 8 is arranged on the top wall of each inner moving block 6 and the top wall of each sliding block 7.

The bottom of every second threaded rod 5 all rotates and is connected with the bar shaped plate, and every bar shaped plate all fixes on the inner wall that corresponds the through-hole, all installs the limiting plate on every second threaded rod 5 is close to the lateral wall on top, and every second threaded rod 5 all rotates through the roof of limiting plate and frame 1 to be connected.

The bottom of every first threaded rod 4 all inserts the diapire of frame 1 and installs first commentaries on classics board, and every first threaded rod 4 all installs the second on being close to the lateral wall on top and changes the board, and every first threaded rod 4 all rotates through the second roof of board and frame 1 to be connected.

The outer side wall of each transparent tube 3 is marked with scale marks.

Each rubber ball 14 is bound and connected with the corresponding mounting tube 13 through a binding belt.

The side wall of each rotating wheel 15 is provided with anti-slip lines to increase the contact friction force.

The utility model discloses in, rotate runner 15, when driving second threaded rod 5 and rotate, drive first threaded rod 4 through gear wheel 16 and pinion 17 meshing simultaneously and rotate, the inside vertical movement of interior movable block 6 at hyaline tube 3 this moment, the vertical removal of outer movable block 9 on the lateral wall of hyaline tube 3 and first threaded rod 4 simultaneously, cooperation through solid fixed ring 10 and stretch cord 11 can embody data with the form of broken line graph, when interior movable block 6 removed in hyaline tube 3, can exert pressure in lower part and the rubber ball 14 of hyaline tube 3, make red liquid collect in rubber ball 14, highly can embody data with the form of bar graph through observing liquid.

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. Novel three-dimensional mathematics teaching aid, place board (2) including frame (1) and two, its characterized in that, frame (1) is frame construction, install a plurality of hyaline tubes (3) and first threaded rod (4) on the interior diapire of frame (1) and the interior roof jointly, be located the homonymy be equipped with outer movable block (9) jointly on the lateral wall of hyaline tube (3) and first threaded rod (4), every equal mounting panel has solid fixed ring (10) on the lateral wall of outer movable block (9), every install stretch cord (11) jointly between solid fixed ring (10), every outer movable block (9) all with hyaline tube (3) sliding connection of homonymy, every outer movable block (9) all with first threaded rod (4) threaded connection of homonymy, every the inside of hyaline tube (3) all is equipped with second threaded rod (5), every the top of second threaded rod (5) extends to the upside of frame (1) and installs (runner), (runner) 15) A large gear (16) is mounted on the bottom wall of each rotating wheel (15), the top end of each first threaded rod (4) extends to the upper side of the frame (1) and is provided with a small gear (17) meshed with the large gear (16);

a plurality of through holes are formed in the bottom wall of the frame (1) in a penetrating mode, a mounting tube (13) is mounted on the lower side of each through hole, a rubber ball (14) is sleeved on the outer wall of each mounting tube (13), red liquid is filled in each rubber ball (14) and the transparent tube (3), a box body (12) is covered on the outer side of each rubber ball (14), each box body (12) is fixed on the outer bottom wall of the frame (1), an inner moving block (6) is in threaded connection with the side wall of each second threaded rod (5), the inner moving block (6) is located inside the transparent tube (3), two sliding blocks (7) are symmetrically installed on the side wall of each inner moving block (6), sliding grooves matched with the sliding blocks (7) on the same side are formed in the inner wall of each transparent tube (3), and sealing gaskets (8) are installed on the top walls of the inner moving blocks (6) and the sliding blocks (7).

2. The novel stereoscopic mathematics teaching aid of claim 1, characterized in that, the bottom of each second threaded rod (5) is all rotated and is connected with the bar shaped plate, every bar shaped plate all fixes on the inner wall that corresponds the through-hole, every second threaded rod (5) all installs the limiting plate on being close to the lateral wall on top, every second threaded rod (5) all is connected with the roof rotation of frame (1) through the limiting plate.

3. The novel solid mathematics teaching aid of claim 1, characterized in that, the bottom of each first threaded rod (4) all inserts the diapire of frame (1) and installs first commentaries on classics board, and each first threaded rod (4) all installs the second commentaries on classics board on the lateral wall near the top, and each first threaded rod (4) all is connected with the roof of frame (1) through the second commentaries on classics board is rotated.

4. A novel solid mathematics teaching aid as claimed in claim 1, characterized in that the outside wall of each transparent tube (3) is marked with graduation lines.

5. A novel solid mathematics teaching aid as claimed in claim 1, characterized in that each said rubber ball (14) is bound with the corresponding mounting tube (13) by a tie.

6. A novel solid mathematics teaching aid as claimed in claim 1, characterized in that the side wall of each runner (15) is provided with anti-skid veins.