CN112053609A

CN112053609A - Adjustable teaching equipment of supplementary teaching show

Info

Publication number: CN112053609A
Application number: CN202011028082.2A
Authority: CN
Inventors: 郭溱琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2020-12-08

Abstract

The invention relates to the technical field of teaching display and discloses adjustable teaching equipment for assisting teaching display, which comprises a display stand, wherein a rotating shaft is fixedly connected to the inner wall of the display stand, a torsion bar is sleeved on the outer side of the rotating shaft, a spiral spring piece is fixedly connected to the inner wall of the middle part of the torsion bar, an electromagnet is fixedly connected to the inner wall of the middle part of the torsion bar, a compression spring is fixedly connected to the inner wall of the middle part of the torsion bar, a limiting block is fixedly connected to the outer side of the compression spring. This adjustable teaching equipment of supplementary teaching show, drive the slider motion through the gasbag, the slider drives the braking piece motion, rethread reset spring uses with the cooperation of dielectric medium board, thereby reach the effect that the show was adjusted to the control multi-angle, the carousel rotates under the effect of helical spring piece, through constantly adding the air to the gasbag, the slider constantly downstream, when the braking piece contacts with the carousel outside, thereby hinder the rotation of carousel, make the model rotatory to certain according to the angle can stop.

Description

Adjustable teaching equipment of supplementary teaching show

Technical Field

The invention relates to the technical field of teaching display, in particular to adjustable teaching equipment for assisting teaching display.

Background

The teaching is a unique talent training activity of human beings, which is formed by the teaching of teachers and the learning of students, through the activity, the teachers purposefully, planningly and organically guide the students to actively and consciously learn and accelerate the mastering of basic knowledge and basic skills of cultural science, the comprehensive improvement of the multi-aspect quality of the students is promoted, the students become people required by the society, and when the teachers explain the knowledge to the students, the teachers usually need to use some teaching auxiliary equipment to show some teaching models in order to better enable the students to understand the learned contents.

At present, the show mode that the teacher adopted generally all takes the model to let the student observe the understanding in hand, and because of some models are heavier than bigger, the teacher is comparatively labourious when taking on hand, needs often put down, influences teaching efficiency to the student can not observe every angle of model, thereby makes the student can not more clearly understand relevant knowledge point, leads to mr's whole teaching quality to receive the influence.

Therefore, we propose an adjustable teaching device for auxiliary teaching demonstration to solve the above problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides adjustable teaching equipment for assisting teaching display, which has the advantages of simple operation and multi-angle adjustment display, and solves the problems that a model is large and heavy, a teacher is labored when holding the model, and the teaching efficiency is influenced because the teacher needs to put down the model frequently.

(II) technical scheme

In order to realize the purposes of simple operation and multi-angle adjustment and display, the invention provides the following technical scheme: an adjustable teaching device for auxiliary teaching display comprises a display stand, wherein a rotating shaft is fixedly connected to the inner wall of the display stand, a torsion bar is sleeved on the outer side of the rotating shaft, a helical spring piece is fixedly connected to the inner wall of the middle part of the torsion bar, an electromagnet is fixedly connected to the inner wall of the middle part of the torsion bar, a compression spring is fixedly connected to the inner wall of the middle part of the torsion bar, a limiting block is fixedly connected to the outer side of the compression spring, a magnetic block is fixedly connected to the inner wall of the middle part of the limiting block, a rotary disc is fixedly connected to the bottom of the torsion bar, a negative plate I is fixedly connected to the inner wall of the middle part of the rotary disc, a piezoresistor I is fixedly connected to the inner wall of the middle part of the display stand, a piezoresistor II, the inner wall of the middle part of the sliding block is fixedly connected with a dielectric plate, the inner side of the sliding block is fixedly connected with a return spring, and the inner side of the sliding block is fixedly connected with a brake piece.

Preferably, the show stand inner wall is provided with a clamping groove which is matched with the limiting block, the inner wall of the middle part of the show stand is provided with a sliding groove matched with the sliding block, and the sliding block is popped out under the action of the magnetic block and clamped with the clamping groove to prevent the spiral spring piece from rotating.

Preferably, the top of the turntable is provided with a fixing groove, the middle of the turntable is provided with a clamping groove matched with the torsion bar, the fixing groove is used for enabling the model to be fixed on the turntable more stably, and the torsion bar drives the turntable to rotate under the action of the spiral spring piece.

Preferably, the slider adopts the plastics material preparation to form for cuboid and slider, and the slider removes along the spout of show stand inner wall, and the plastics material is in order to let the gasbag more abundant extrude the slider with the carousel outside laminating.

Preferably, the inner side of the brake piece is provided with an arc groove, the inner side of the brake piece is attached to the outer side surface of the rotary disc, and when the brake piece is extruded outwards by the sliding block, the brake piece generates resistance through friction with the rotary disc to reduce the rotation speed of the rotary disc so as to stop rotating.

Preferably, the number of the reset springs is two, the reset springs are symmetrically distributed on the outer side of the sliding block, certain elastic potential energy is stored when the reset springs are extruded, and when the sliding block is extruded to stop, the reset springs restore the sliding block to a non-extrusion state, so that the brake piece is separated from the rotary disc.

Preferably, the right side of the torsion bar is provided with a clamping groove matched with the spiral spring piece, the middle part of the torsion bar is provided with a shaft hole matched with the rotating shaft, the spiral spring piece is clamped by the clamping groove to prevent the spiral spring piece from circling round, and the torsion bar is driven to rotate when the spiral spring piece rotates.

Preferably, the limiting block middle part is provided with a clamping groove matched with the magnetic block, the length of the limiting block is larger than the distance between the rotary table and the inner wall of the display stand, the limiting block is pushed out by magnetic force generated by the electromagnet, and when the electromagnet is powered off, the limiting block is restored to the initial position by the compression spring.

(III) advantageous effects

Compared with the prior art, the invention provides adjustable teaching equipment for assisting teaching display, which has the following beneficial effects:

1. this adjustable teaching equipment of supplementary teaching show, drive the slider motion through the gasbag, the slider drives the braking piece motion, rethread reset spring uses with the cooperation of dielectric medium board, thereby reach the effect that the show was adjusted to the control multi-angle, the carousel rotates under the effect of helical spring piece, through constantly adding the air to the gasbag, the slider constantly downstream, when the braking piece contacts with the carousel outside, thereby hinder the rotation of carousel, make the model rotatory to certain according to the angle can stop.

2. This adjustable teaching equipment of supplementary teaching show drives the stopper motion through the electro-magnet, and the stopper drives the compression spring motion, and the rethread magnetic path is used with the cooperation of torsion bar to reach the effect of storing spiral spring piece elastic potential energy, the electro-magnet circular telegram produces the magnetic force of repelling each other with the magnetic path, outwards repels stopper 1 and extrudes the draw-in groove mutual adsorption of seting up with the show stand inner wall.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partially enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 3 is a partially enlarged view of the portion B shown in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a partially enlarged structure of the portion C in FIG. 1 according to the present invention.

In the figure: 1. a display stand; 2. a first positive plate; 3. a turntable; 4. a first negative plate; 5. a first voltage dependent resistor; 6. a second positive plate; 7. a second voltage dependent resistor; 8. a slider; 9. a brake pad; 10. a return spring; 11. a dielectric plate; 12. a negative plate II; 13. an air bag; 14. a magnetic block; 15. a limiting block; 16. a compression spring; 17. a torsion bar; 18. a spiral spring piece; 19. a rotating shaft; 20. an electromagnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an adjustable teaching device for auxiliary teaching display comprises a display stand 1, a slot matched with a limit block 15 is formed on the inner wall of the display stand 1, a sliding slot matched with a sliding block 8 is formed on the inner wall of the middle part of the display stand 1, the sliding block 8 is ejected out and clamped with the slot under the action of a magnetic block 14 to prevent a spiral spring piece 18 from rotating, a rotating shaft 19 is fixedly connected to the inner wall of the display stand 1, a torsion bar 17 is sleeved on the outer side of the rotating shaft 19, a slot matched with the spiral spring piece 18 is formed on the right side of the torsion bar 17, a shaft hole matched with the rotating shaft 19 is formed in the middle part of the torsion bar 17, the spiral spring piece 18 is clamped by the slot to prevent rotating, the torsion bar 17 is driven to rotate when the spiral spring piece 18 rotates, the spiral spring piece 18 is fixedly connected to the inner, a limiting block 15 is fixedly connected to the outer side of the compression spring 16, a clamping groove matched with the magnetic block 14 is formed in the middle of the limiting block 15, and the length of the limiting block 15 is larger than the distance between the rotary table 3 and the inner wall of the display stand 1;

when the electromagnet 20 generates magnetic force to push the limiting block 15 out, when the electromagnet 20 is powered off, the limiting block 15 is restored to the initial position by the compression spring 16, the inner wall of the middle part of the limiting block 15 is fixedly connected with the magnetic block 14, the bottom of the torsion bar 17 is fixedly connected with the rotary table 3, the top of the rotary table 3 is provided with a fixed groove, the middle part of the rotary table 3 is provided with a clamping groove matched with the torsion bar 17, the fixed groove is used for enabling the model to be more stably fixed on the rotary table 3, the torsion bar 17 drives the rotary table 3 to rotate under the action of the spiral spring piece 18, the inner wall of the middle part of the rotary table 3 is fixedly connected with the negative plate one 4, the inner wall of the middle part of the rotary table 3 is fixedly connected with the piezoresistor one 5, the inner wall of the middle part of the display, an air bag 13 is fixedly connected to the inner wall of the middle of the display platform 1, a sliding block 8 is movably connected to the inner wall of the middle of the display platform 1, the sliding block 8 is a cuboid, the sliding block 8 is made of plastic materials, the sliding block 8 moves along a sliding groove of the inner wall of the display platform 1, the plastic materials are used for enabling the air bag 13 to extrude the sliding block 8 to be attached to the outer side of the rotary table 3 more fully, a dielectric plate 11 is fixedly connected to the inner wall of the middle of the sliding block 8, a reset spring 10 is fixedly connected to the inner side of the sliding block 8, the number of the reset springs 10 is two, the reset springs 10 are symmetrically distributed on the outer side of the sliding block 8, certain elastic potential energy is stored when the reset springs 10 are extruded, when the extrusion of the sliding block 8 is stopped, the reset springs 10 restore the sliding block 8 to a non-extrusion state, so that the brake block 9, when the slide block 8 presses the brake piece 9 outwards, the brake piece 9 generates resistance through friction with the rotary disc 3 to reduce the rotation speed of the rotary disc 3 to stop rotating.

The working principle is as follows: when a model at the top of the turntable 3 is to be displayed in a multi-direction rotating mode, firstly, the air bag 13 is inflated through the button to enable the air bag 13 to expand, the air bag 13 expands to drive the sliding block 8 to move inwards due to expansion of the air bag 13, when the sliding block 8 moves for a certain distance, the position of the dielectric medium plate 11 moves relatively, and at the moment, the relative areas of the positive plate two 6 and the negative plate two 12 are gradually increased from the original minimum relative area;

thereby make the voltage of polar plate increase gradually, the operating voltage of second varistor 7 is triggered this moment, the on state of electro-magnet 20 has been controlled, make electro-magnet 20 cut off the power supply, stopper 15 breaks away from the draw-in groove under compression spring 16's effect this moment, carousel 3 rotates under the effect of spiral spring leaf 18 this moment, through the continuous gassing to gasbag 13, slider 8 constantly moves down, when stopper 9 contacts with the carousel 3 outside, thereby hinder the rotation of carousel 3, make the model rotatory to certain angle can stop, for the student to observe, if will continue rotatory, carry out a small amount of gassing to gasbag 13 and handle, slider 8 resumes to initial no extrusion state under reset spring 10's effect this moment, carousel 3 continues to rotate in the effect of spiral spring leaf 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable teaching equipment of supplementary teaching show, includes show stand (1), its characterized in that: the inner wall of the middle part of the torsion bar (17) is fixedly connected with a spiral spring piece (18), the inner wall of the middle part of the torsion bar (17) is fixedly connected with an electromagnet (20), the inner wall of the middle part of the torsion bar (17) is fixedly connected with a compression spring (16), the outer side of the compression spring (16) is fixedly connected with a limiting block (15), the inner wall of the middle part of the limiting block (15) is fixedly connected with a magnetic block (14), the bottom of the torsion bar (17) is fixedly connected with a turntable (3), the inner wall of the middle part of the turntable (3) is fixedly connected with a negative plate I (4), the inner wall of the middle part of the turntable (3) is fixedly connected with a piezoresistor I (5), the inner wall of the middle part of the display stand (1) is fixedly connected with a positive plate I (2), the inner wall of the middle part of the display stand (, the negative plate II (12) is fixedly connected to the inner wall of the middle of the showing platform (1), the air bag (13) is fixedly connected to the inner wall of the middle of the showing platform (1), the sliding block (8) is movably connected to the inner wall of the middle of the showing platform (1), the dielectric plate (11) is fixedly connected to the inner wall of the middle of the sliding block (8), the reset spring (10) is fixedly connected to the inner side of the sliding block (8), and the braking piece (9) is fixedly connected to the inner side.

2. The adjustable teaching device of claim 1 wherein: the inner wall of the display platform (1) is provided with a clamping groove matched with the limiting block (15), and the inner wall of the middle part of the display platform (1) is provided with a sliding groove matched with the sliding block (8).

3. The adjustable teaching device of claim 1 wherein: the top of the rotary table (3) is provided with a fixed groove, and the middle part of the rotary table (3) is provided with a clamping groove matched with the torsion bar (17).

4. The adjustable teaching device of claim 1 wherein: the sliding block (8) is a cuboid, and the sliding block (8) is made of plastic materials.

5. The adjustable teaching device of claim 1 wherein: an arc groove is formed in the inner side of the brake block (9), and the inner side of the brake block (9) is attached to the outer side surface of the turntable (3).

6. The adjustable teaching device of claim 1 wherein: the number of the return springs (10) is two, and the return springs (10) are symmetrically distributed on the outer side of the sliding block (8).

7. The adjustable teaching device of claim 1 wherein: the right side of the torsion bar (17) is provided with a clamping groove matched with the spiral spring piece (18), and the middle part of the torsion bar (17) is provided with a shaft hole matched with the rotating shaft (19).

8. The adjustable teaching device of claim 1 wherein: the middle part of the limiting block (15) is provided with a clamping groove matched with the magnetic block (14), and the length of the limiting block (15) is larger than the distance between the turntable (3) and the inner wall of the display stand (1).