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Teaching aid with automatic paper winding and unwinding function and using method thereof

A technology of automatic retractable and teaching aids, applied in the field of teaching aids, can solve the problems of inconvenient movement and adjustment of teaching aids, manual replacement and collection, low paper utilization rate, etc., and achieve the effect of convenient adsorption and pasting of paper, convenient collection and improved efficiency

Active Publication Date: 2018-08-31
东莞市禹林精密工业五金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a teaching aid that can automatically retract and unwind paper, so as to solve the above-mentioned problem in the background technology that the teaching paper in the prior art needs to be manually replaced and collected after writing, and the paper utilization rate is low, and the existing teaching aid is not suitable Ease of movement and adjustment issues

Method used

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  • Teaching aid with automatic paper winding and unwinding function and using method thereof
  • Teaching aid with automatic paper winding and unwinding function and using method thereof
  • Teaching aid with automatic paper winding and unwinding function and using method thereof

Examples

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Effect test

Embodiment 1

[0029] The present invention provides such as Figure 1-3 A teaching aid that can automatically retract paper is shown, including a base 1 and a writing board 14, telescopic rods 2 are installed on both sides of the bottom of the base 1, and the bottom end of the telescopic rod 2 is fixed with a moving plate 3, so The bottom of the moving plate 3 is equipped with a universal wheel 4, the top of the base 1 is welded with a shell 5 on both sides, and the top of the base 1 is located in the shell 5 and is connected with a supporting plate 6 through a bearing rolling, and the supporting plate 6 The bottom of the base 1 is fixed with a driven wheel 8 through a connecting rod, and the middle part of the bottom of the base 1 is fixed with a forward and reverse motor 9, and the output shaft of the forward and reverse motor 9 runs through the base 1 and is fixedly provided with a transmission wheel 10. The wheel 10 is connected to the driven wheel 8 through the drag chain 11. The inner...

Embodiment 2

[0044] The using method of the teaching aid that can automatically retract paper described in embodiment 1 comprises the following steps:

[0045] Step 1. When in use, first insert two sets of rotating shafts 18 covering a set of writing paper bodies 19 into the supporting plate 6 at the inner bottom of the casing 5, and at this time, the writing paper body 19 penetrates the opening 13 inside the casing 5;

[0046]Step 2, then insert the writing board 14 into the opening 13 inside the housing 5, make the writing board 14 against the back of the writing paper body 19, and at the same time, the end cover 16 is clamped on the top of the housing 5 so that the pressure plate 17 presses the top of the rotating shaft 18 , use the control switch 21 to control the forward and reverse motor 9 to work to realize the automatic winding of the writing paper body 19. When one side of the writing paper body 19 is used up, the positions of the two groups of rotating shafts 18 can be replaced to...

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Abstract

The invention discloses a teaching aid with an automatic paper winding and unwinding function. The teaching aid comprises a base and a writing board. Shells are welded to the two sides of the top of the base separately, and supporting plates are connected to the top of the base in a rolling mode through bearings and located in the shells. Driven wheels are fixed to the bottoms of the supporting plates through connecting rods. A positive and negative rotation motor is fixedly mounted in the middle of the bottom of the base. An opening is formed in the inner side of the shell. End covers are fixed to the top ends of the two sides of the writing board. Rollers are mounted on the two sides of the writing board through bearings. Pressing plates are rotatably connected to the bottoms of the endcovers through bearings. Mounting grooves are formed in the bottoms of the pressing plates and the tops of the supporting plates. Rotary shafts are movably mounted in the mounting grooves between thepressing plates and the supporting plates, and writing paper bodies are wound on the surfaces of the rotary shafts. The teaching aid is simple and reasonable in design, convenient to operate, adjust and move and capable of turning paper automatically; time and labor are saved, the paper utilization rate is increased, and safety and reliability are ensured; and the teaching aid is wide in application range and suitable for popularization.

Description

technical field [0001] The invention belongs to the technical field of teaching aids, and in particular relates to a teaching aid that can automatically retract and unwind paper. Background technique [0002] Teaching aids is a Chinese vocabulary, the Chinese pinyin is jiào jù, which refers to models, objects, specimens, instruments, charts, slides, etc. used to explain something, including teaching equipment, teaching instruments, training equipment, educational equipment, experiments Equipment, teaching specimens, teaching models, etc. [0003] Now many large-scale conferences need to use blackboards as teaching aids. A stack of paper is sandwiched between the teaching aids. The lecturer writes the teaching content on the paper. After a page is finished, a person must stand next to the lecturer to help turn the paper, which is a waste of manpower. After the meeting, the paper written by the lecturer needs to be recycled, and the training materials are saved for easy refer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/08A47B97/04
CPCA47B97/04B43L1/08
Inventor 张科
Owner 东莞市禹林精密工业五金有限公司
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