CN211059703U

CN211059703U - Combined solid geometry teaching instrument

Info

Publication number: CN211059703U
Application number: CN201922205797.XU
Authority: CN
Inventors: 李俊; 陈琳
Original assignee: Anshun University
Current assignee: Anshun University
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-21
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to a solid geometry teaching technical field, and a modular solid geometry teaching appearance is disclosed, the power distribution box comprises a box body, locker and storage drawer, the through-hole has been seted up at the box top, the inside bottom surface fixed mounting of box has the cavity fixed block, the right side wall fixed mounting of cavity fixed block has the motor, the two-way lead screw of motor output end fixedly connected with, the equal fixed mounting in both ends has the telescopic link about the cavity fixed block upper surface, the top fixed mounting of telescopic link has the backup pad, the lower fixed surface of backup pad is connected with the crane, the first link block of both ends fixedly connected with about the crane bottom, first link block run through the upper surface of cavity fixed block and with slider fixed connection, the fixed rotation motor that is equipped with in bottom of backup pad, rotation motor fixedly connected with axis. The utility model discloses it is easy and simple to handle, clear demonstration comprehensive to the teaching of mathematics solid geometry directly perceived.

Description

Combined solid geometry teaching instrument

Technical Field

The utility model relates to a solid geometry teaching technical field especially relates to a modular solid geometry teaching appearance.

Background

Higher mathematics mainly cultivates the cultivation of student's mathematical thinking in the teaching process, and this thinking has logical thinking to the deduction of mathematical formula promptly, and the perceptual cognition that has again been paid attention to student to higher mathematics abstract formula back has simultaneously, in the geometric teaching of higher mathematics, often relates to the three-dimensional show of polyhedron.

Traditional solid geometry teaching can only be drawn on a blackboard, not only is the drawing troublesome, but also the intuition is poor, the difficulty is increased for geometry teaching, the teaching quality is reduced, and concrete geometric forms are difficult to express for complicated abstract mathematical equations.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the teaching is difficult to realize visually to the solid geometry in the prior art and providing a combined solid geometry teaching instrument.

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

a combined solid geometry teaching instrument comprises a box body, a storage cabinet and a storage drawer, wherein the top of the box body is provided with a through hole, the inner bottom surface of the box body is fixedly provided with a hollow fixed block, the right side wall of the hollow fixed block is fixedly provided with a motor, the output end of the motor is fixedly connected with a bidirectional lead screw, the bidirectional lead screw is positioned in the hollow fixed block, the screw thread of the lead screw is provided with two sliding blocks, the left end and the right end of the upper surface of the hollow fixed block are fixedly provided with telescopic rods, the top of each telescopic rod is fixedly provided with a support plate, the lower surface of the support plate is fixedly connected with a lifting frame, the left end and the right end of the bottom of the lifting frame are fixedly connected with first connecting blocks, the first connecting blocks penetrate through the upper surface of the, the top end of the rotating shaft is rotatably connected with a holographic projector.

Preferably, the telescopic rod is tightly sleeved by a plurality of sleeves.

Preferably, one side of the storage drawer and one side of the storage cabinet are provided with U-shaped grooves, the bottom of the box body is in sliding connection with the storage drawer and the storage cabinet, and universal wheels are fixedly mounted at the bottoms of the storage drawer and the storage cabinet.

Preferably, a rotating bearing is embedded in the left side wall of the hollow fixing block, and the bidirectional screw rod penetrates through the rotating bearing and is rotatably connected with the left end of the hollow fixing block.

Preferably, a heat dissipation pad is fixedly installed at the bottom of the holographic projector.

Preferably, the left and right sides wall fixed mounting of cavity fixed block has first guide pulley, box internal surface top fixed mounting has the second guide pulley, both ends fixedly connected with second connecting block about the backup pad upper surface, the last fixed surface of first connecting block is connected with the stay cord, the stay cord pass first guide pulley and second guide pulley and with the lateral wall fixed connection of slider.

Compared with the prior art, the utility model provides a modular solid geometry teaching appearance possesses following beneficial effect:

1. this combination formula solid geometry teaching appearance rotates through the motor, makes fixed connection start rotating at the epaxial two-way lead screw of motor rotation, slides to the both sides of box through the slider of threaded connection on two-way lead screw simultaneously to the crane of fixing on the cavity fixed block passes through removing about the slider and realizes going up and down, makes the holographic projector who drives its top in the backup pad of fixing at the crane top realize raising and lowering functions.

2. This combination formula solid geometry teaching appearance moves about through the slider and makes the first connecting block of fixing on the slider follow the slider and move to stay cord that fixed connection is being gone up on the first connecting block passes first guide pulley and second guide pulley and is connecting simultaneously and fixing the second connecting block in the backup pad, makes the backup pad reciprocate, and the telescopic link of fixing on the cavity fixed block simultaneously carries out the supporting role to the backup pad.

3. This combination formula solid geometry teaching appearance rotates through the rotation motor of backup pad bottom, drives the axis of rotation and rotates to rotate the holographic projector who is connected with the axis of rotation and begin omnidirectional rotation, realize diversified image projection.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation turns traditional blackboard solid geometry teaching to real three-dimensional teaching from the plane, has reduced the teaching degree of difficulty, has increased the richness of teaching content for the realization solid geometry knowledge that the student can be better.

Drawings

Fig. 1 is a schematic structural view of a combined solid geometry teaching instrument provided by the utility model;

fig. 2 is a schematic structural view of a part a of a combined solid geometry teaching instrument provided by the utility model;

fig. 3 is a schematic structural diagram of a part B of the combined solid geometry teaching instrument.

In the figure: the multifunctional cabinet comprises a box body 1, a storage drawer 2, a storage cabinet 3, a through hole 4, a hollow fixing block 5, a motor 6, a bidirectional screw rod 7, a sliding block 8, a telescopic rod 9, a supporting plate 10, a lifting frame 11, a first connecting block 12, a rotating motor 13, a rotating shaft 14, a holographic projector 15, a U-shaped groove 16, a universal wheel 17, a heat dissipation pad 18, a first guide pulley 19, a second guide pulley 20, a second connecting block 21 and a pull rope 22.

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. 1-3, a combined solid geometry teaching instrument comprises a box body 1, a storage cabinet 3 and a storage drawer 2, wherein the top of the box body 1 is provided with a through hole 4, the bottom surface of the inside of the box body 1 is fixedly provided with a hollow fixed block 5, the right side wall of the hollow fixed block 5 is fixedly provided with a motor 6, the output end of the motor 6 is fixedly connected with a bidirectional screw 7, the bidirectional screw 7 is positioned in the hollow fixed block 5, the rod wall is provided with two slide blocks 8 by screw threads, the left and right ends of the upper surface of the hollow fixed block 5 are fixedly provided with telescopic rods 9, the top of the telescopic rod 9 is fixedly provided with a support plate 10, the lower surface of the support plate 10 is fixedly connected with a lifting frame 11, the left and right ends of the bottom of the lifting frame 11 are fixedly connected with a first connecting block, a rotating motor 13 is fixedly connected with a rotating shaft 14, the top end of the rotating shaft 14 is rotatably connected with a holographic projector 15, a telescopic rod 9 is tightly sleeved by a plurality of sleeves, one side of the storage drawer 2 and the storage cabinet 3 is provided with a U-shaped groove 16, the bottom of the box body 1 is in sliding connection with the storage drawer 2 and the storage cabinet 3, the bottoms of the storage drawer 2 and the storage cabinet 3 are both fixedly provided with universal wheels 17, the left side wall of the hollow fixed block 5 is embedded with a rotating bearing, a bidirectional screw 7 passes through the rotating bearing and is rotatably connected with the left end of the hollow fixed block 5, the bottom of the holographic projector 15 is fixedly provided with a heat dissipation pad 18, the left side wall and the right side wall of the hollow fixed block 5 are fixedly provided with first guide pulleys 19, the top of the inner surface of the box body 1 is fixedly provided with second guide pulleys 20, the left, the pulling rope 22 passes through the first guide pulley 19 and the second guide pulley 20 and is fixedly connected with the side wall of the sliding block 8.

In the utility model, the motor 6 rotates to make the bidirectional screw rod 7 fixedly connected on the rotating shaft of the motor 6 start to rotate, and the slide block 8 connected on the bidirectional screw rod 7 by screw thread slides to both sides of the box body 1, so that the crane 11 fixed on the hollow fixed block 5 can realize the lifting by the left and right movement of the slide block 8, the support plate 10 fixed on the top of the crane 11 drives the holographic projector 15 at the top end to realize the lifting function, the first connecting block 12 fixed on the slide block 8 moves along with the slide block 8 by the left and right movement of the slide block 8, thereby the stay cord 22 fixedly connected on the first connecting block 12 passes through the first guide pulley 19 and the second guide pulley 20 and is simultaneously connected with the second connecting block 21 fixed on the support plate 10, the support plate 10 moves up and down, the telescopic rod 9 fixed on the hollow fixed block 5 can support the support plate, the rotating motor 13 at the bottom of the supporting plate 10 rotates to drive the rotating shaft 14 to rotate, so that the holographic projector 15 connected with the rotating shaft 14 in a rotating manner starts to rotate in all directions, and multi-directional image projection is realized.

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. The combined solid geometry teaching instrument comprises a box body (1), a storage cabinet (3) and a storage drawer (2), and is characterized in that a through hole (4) is formed in the top of the box body (1), a hollow fixed block (5) is fixedly installed on the bottom surface inside the box body (1), a motor (6) is fixedly installed on the right side wall of the hollow fixed block (5), a bidirectional lead screw (7) is fixedly connected to the output end of the motor (6), the bidirectional lead screw (7) is located in the hollow fixed block (5), two sliding blocks (8) are arranged on the rod wall in a threaded manner, telescopic rods (9) are fixedly installed at the left end and the right end of the upper surface of the hollow fixed block (5), a support plate (10) is fixedly installed at the top of each telescopic rod (9), a lifting frame (11) is fixedly connected to the lower surface of the support plate (10), and a first connecting block (12) is, first connecting block (12) run through the upper surface of cavity fixed block (5) and with slider (8) fixed connection, the fixed rotation motor (13) that is equipped with in bottom of backup pad (10), rotation motor (13) fixedly connected with axis of rotation (14), the top of axis of rotation (14) is rotated and is connected with holographic projector (15).

2. The combined solid geometry teaching instrument according to claim 1, characterized in that the telescopic rod (9) is tightly sleeved by a plurality of sleeves.

3. The combined solid geometry teaching instrument according to claim 1, wherein one side of the storage drawer (2) and the storage cabinet (3) is provided with a U-shaped groove (16), the bottom of the box body (1) is slidably connected with the storage drawer (2) and the storage cabinet (3), and the bottoms of the storage drawer (2) and the storage cabinet (3) are both fixedly provided with universal wheels (17).

4. The combined solid geometry teaching instrument according to claim 1, wherein a rotating bearing is embedded in the left side wall of the hollow fixed block (5), and the bidirectional screw rod (7) passes through the rotating bearing and is rotatably connected with the left end of the hollow fixed block (5).

5. The combined solid geometry teaching instrument according to claim 1, wherein a heat dissipation pad (18) is fixedly mounted at the bottom of the holographic projector (15).

6. The combined solid geometry teaching instrument according to claim 1, wherein a first guide pulley (19) is fixedly mounted on the left side wall and the right side wall of the hollow fixing block (5), a second guide pulley (20) is fixedly mounted on the top of the inner surface of the box body (1), second connecting blocks (21) are fixedly connected to the left end and the right end of the upper surface of the supporting plate (10), a pull rope (22) is fixedly connected to the upper surface of the first connecting block (12), and the pull rope (22) penetrates through the first guide pulley (19) and the second guide pulley (20) and is fixedly connected with the side wall of the sliding block (8).