CN213339283U - Geometric model display device for advanced math teaching - Google Patents

Abstract

The utility model discloses a geometric model display device for advanced math teaching, including box, recess, reset spring, fly leaf and arc spring, embedded first motor of installing in the left side wall of box, and the output of first motor is connected with the threaded rod, the tip of threaded rod passes through conveyer belt interconnect, and the cover is equipped with the connecting block on the threaded rod to the end fixing of connecting block is in the side of bottom plate, the embedded second motor of installing in the inboard bottom of bottom plate, and the output of second motor is connected with first gear, the outside of first gear is connected with the second gear, and second gear hub connection is in the bottom of cavity, the middle part of stand runs through the rotary slot and connects in the top of bottom plate. This geometric model display device for advanced math teaching can carry out the show of multi-angle to geometric model, can fix the geometric model of equidimension not simultaneously.

Description

Geometric model display device for advanced math teaching

Technical Field

The utility model relates to a model display device technical field specifically is a geometric model display device for advanced math teaching.

Background

Mathematics, a subject of the notions such as messenger's research quantity, structure, change, space and information, in historical development and social life, play irreplaceable effect, during advanced math teaching, more be partial to the notion of spatialization, for the understanding teaching content that makes the student can be better, mr will use the geometric model show to help the student to understand, display device will be used in the model show, nevertheless there is the following problem in the geometric model display device for current advanced math teaching:

present geometric model display device for advanced math teaching is the single face usually and demonstrates when showing, is not convenient for carry out the show of multi-angle to geometric model, and simultaneously, present geometric model display device for advanced math teaching when fixing geometric model, and geometric model's size is unanimous usually, when fixing different geometric model, needs to change fixed establishment, is not convenient for fix the geometric model of equidimension not.

In order to solve the problems, innovative design is urgently needed on the basis of the original geometric model display device for advanced mathematical education.

Disclosure of Invention

An object of the utility model is to provide a geometric model display device for advanced math teaching to solve above-mentioned background art and carry out the show of multi-angle not convenient for carry out geometric model with geometric model display device for advanced math teaching that has, be not convenient for carry out the problem of fixing to the geometric model of equidimension not simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a geometric model display device for advanced mathematics teaching comprises a box body, a groove, a return spring, a movable plate and an arc-shaped spring, wherein a first motor is embedded in the left side wall of the box body, the output end of the first motor is connected with a threaded rod, the threaded rod is connected in a vertical groove in a shaft mode, the vertical groove is formed in the inner side wall of the box body, the end portions of the threaded rod are connected with each other through a conveyor belt, a connecting block is sleeved on the threaded rod, the end portion of the connecting block is fixed to the side face of a bottom plate, the bottom plate is located in the box body, a second motor is embedded in the bottom of the inner side of the bottom plate, the output end of the second motor is connected with a first gear, a first gear shaft is connected in a cavity, the cavity is formed in the middle of the inner side of the box body, the outer, and the top of second gear is fixed with the stand, the middle part of stand is run through the rotary trough and is connected in the top of bottom plate, and the rotary trough is seted up in the top of bottom plate to the top of stand is fixed with places the board.

Preferably, the connecting block is connected with the vertical groove in a sliding mode, and the connecting block is attached to the vertical groove.

Preferably, the second gears are distributed at equal angles on the outer sides of the first gears, and the second gears are meshed with the first gears.

Preferably, the outer diameter of the upright column is equal to the inner diameter of the rotary groove, and the positions of the upright column correspond to the positions of the placing plates one by one.

Preferably, the top of the placing plate is provided with a groove, the groove is connected with a movable plate through a return spring, and an arc-shaped spring is connected between the movable plates.

Preferably, the movable plate is designed to be of an arc-shaped structure, and the movable plate forms an elastic telescopic structure with the groove through the reset spring and the arc-shaped spring.

Compared with the prior art, the beneficial effects of the utility model are that: the geometric model display device for advanced mathematics teaching;

1. through the arrangement of the threaded rod, the vertical groove, the connecting block, the first gear, the second gear, the stand column and the rotary groove, the threaded rod can drive the connecting block to move up and down in the vertical groove after rotating, so that the bottom plate can be conveniently stored and displayed, the first gear can be meshed with the second gear after rotating, the stand column is driven by the second gear to rotate in the rotary groove, the stand column can drive the placing plate to rotate after rotating, and the geometric model can be displayed in multiple angles;

2. through recess, reset spring, fly leaf and the arc spring that sets up for when fixing geometric model of different shapes, equidimension not, the fly leaf will remove in the recess, will carry out automatic fixation to geometric model through compression reset spring and extension arc spring, need not add auxiliary assembly.

Drawings

FIG. 1 is a schematic view of the overall front cut structure of the present invention;

FIG. 2 is a schematic top view of the bottom plate of the present invention;

FIG. 3 is a schematic view of the top view of the rotary trough of the present invention;

fig. 4 is a schematic top view of the second gear of the present invention;

fig. 5 is a schematic view of the overlooking structure of the placing board of the present invention.

In the figure: 1. a box body; 2. a first motor; 3. a threaded rod; 4. a vertical slot; 5. connecting blocks; 6. a conveyor belt; 7. a base plate; 8. a second motor; 9. a first gear; 10. a cavity; 11. a second gear; 12. a column; 13. rotating the groove; 14. placing the plate; 15. a groove; 16. a return spring; 17. a movable plate; 18. an arc spring.

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. 1-5, the present invention provides a technical solution: a geometric model display device for advanced mathematics teaching comprises a box body 1, a first motor 2, a threaded rod 3, a vertical groove 4, a connecting block 5, a conveyor belt 6, a bottom plate 7, a second motor 8, a first gear 9, a cavity 10, a second gear 11, a stand column 12, a rotary groove 13, a placing plate 14, a groove 15, a reset spring 16, a movable plate 17 and an arc spring 18, wherein the first motor 2 is embedded in the left side wall of the box body 1, the output end of the first motor 2 is connected with the threaded rod 3, the threaded rod 3 is connected in the vertical groove 4 in a shaft mode, the vertical groove 4 is formed in the inner side wall of the box body 1, the end parts of the threaded rod 3 are connected with each other through the conveyor belt 6, the threaded rod 3 is sleeved with the connecting block 5, the end part of the connecting block 5 is fixed on the side surface of the bottom plate 7, the bottom plate 7 is positioned in the box body, the output end of the second motor 8 is connected with a first gear 9, the first gear 9 is connected in a shaft mode into a cavity 10, the cavity 10 is arranged in the middle of the inner side of the box body 1, the outer side of the first gear 9 is connected with a second gear 11, the second gear 11 is connected to the bottom of the cavity 10 in a shaft mode, an upright post 12 is fixed to the top of the second gear 11, the middle of the upright post 12 penetrates through a rotary groove 13 and is connected to the top of the bottom plate 7, the rotary groove 13 is arranged on the top of the bottom plate 7, and a placing plate 14 is fixed to the top of the upright post 12;

the connecting block 5 is connected with the vertical groove 4 in a sliding manner, and the connecting block 5 is attached to the vertical groove 4, so that after the threaded rod 3 rotates, the connecting block 5 cannot rotate along with the threaded rod but moves back and forth in the vertical groove 4;

the second gears 11 are distributed on the outer side of the first gear 9 at equal angles, and the second gears 11 are meshed with the first gear 9, so that the first gear 9 can be meshed with the second gears 11 after rotating, and then the plurality of second gears 11 are driven to rotate simultaneously;

the outer diameter of the upright post 12 is equal to the inner diameter of the rotary groove 13, and the positions of the upright post 12 correspond to the positions of the placing plates 14 one by one, so that the upright post 12 cannot be skewed or deviated when rotating in the rotary groove 13;

the top of the placing plate 14 is provided with a groove 15, the groove 15 is connected with movable plates 17 through return springs 16, and arc springs 18 are connected between the movable plates 17, so that when the placing plate 14 is placed with things, the movable plates 17 are forced to stretch the arc springs 18, and the return springs 16 are synchronously extruded in the groove 15;

the movable plate 17 is designed to be an arc-shaped structure, and the movable plate 17 forms an elastic telescopic structure with the groove 15 through the return spring 16 and the arc-shaped spring 18, so that after the movable plate 17 moves, the return spring 16 is compressed, the arc-shaped spring 18 is stretched, and geometric models with different shapes and sizes are fixed.

The working principle is as follows: when using this high mathematical education to use geometric model display device, as shown in fig. 1-2 and fig. 5, at first, start first motor 2, first motor 2 will drive threaded rod 3 and rotate, threaded rod 3 will drive the threaded rod 3 synchronous rotation of opposite side through conveyer belt 6 after rotating, and then make connecting block 5 rebound in erecting groove 4, and then drive bottom plate 7 like last removal and stretch out box 1, then place geometric model on placing board 14 again, at the in-process of placing, fly leaf 17 will receive the extrusion and extrude reset spring 16 simultaneously to arc spring 18, and then to different sizes. The geometric models with different shapes are fixed, so that the display device can be suitable for more models, and the practicability of the display device is enhanced;

as shown in fig. 1 and 3-4, need demonstrate the student behind the fixed geometric model, start second motor 8 this moment, second motor 8 will drive first gear 9 and rotate in cavity 10, first gear 9 rotates the back will with second gear 11 intermeshing, and then drive second gear 11 and rotate, will drive stand 12 after second gear 11 rotates and carry out the rotation in revolving chute 13, revolving chute 13 can restrict stand 12 and prevent the phenomenon of crooked and skew to appear, and then carry out the show of multi-angle with the geometric model, make things convenient for the student to watch, and can demonstrate a plurality of models simultaneously, improve teaching efficiency.

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 (6)

1. The utility model provides a higher mathematics teaching is with geometric model display device, includes box (1), recess (15), reset spring (16), fly leaf (17) and arc spring (18), its characterized in that: the box body is characterized in that a first motor (2) is embedded in the left side wall of the box body (1), the output end of the first motor (2) is connected with a threaded rod (3), the threaded rod (3) is connected in a vertical groove (4) in a shaft mode, the vertical groove (4) is arranged on the inner side wall of the box body (1), the end portions of the threaded rod (3) are connected with each other through a conveying belt (6), a connecting block (5) is sleeved on the threaded rod (3), the end portion of the connecting block (5) is fixed on the side face of a bottom plate (7), the bottom plate (7) is located inside the box body (1), a second motor (8) is embedded at the bottom of the inner side of the bottom plate (7), the output end of the second motor (8) is connected with a first gear (9), the first gear (9) is connected in the shaft mode to a cavity (10), and the cavity (10) is arranged, the outside of first gear (9) is connected with second gear (11), and second gear (11) hub connection is in the bottom of cavity (10), and the top of second gear (11) is fixed with stand (12), the middle part of stand (12) runs through rotary trough (13) and connects in the top of bottom plate (7), and rotary trough (13) set up in the top of bottom plate (7), and the top of stand (12) is fixed with places board (14).

2. The geometric model display device for advanced math teaching according to claim 1, wherein: connecting block (5) and erect sliding connection between groove (4), and laminating mutually between connecting block (5) and the perpendicular groove (4).

3. The geometric model display device for advanced math teaching according to claim 1, wherein: the second gears (11) are distributed on the outer side of the first gear (9) at equal angles, and the second gears (11) are meshed with the first gear (9).

4. The geometric model display device for advanced math teaching according to claim 1, wherein: the outer diameter of the upright post (12) is equal to the inner diameter of the rotary groove (13), and the positions of the upright post (12) correspond to the positions of the placing plates (14) one by one.

5. The geometric model display device for advanced math teaching according to claim 1, wherein: the top of the placing plate (14) is provided with a groove (15), the groove (15) is connected with a movable plate (17) through a return spring (16), and an arc-shaped spring (18) is connected between the movable plates (17).

6. The geometric model display device for advanced math teaching according to claim 5, wherein: the movable plate (17) is designed to be of an arc-shaped structure, and the movable plate (17) forms an elastic telescopic structure with the groove (15) through the reset spring (16) and the arc-shaped spring (18).

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