CN202098179U - Writing and cleaning integrated blackboard - Google Patents

Abstract

The utility model discloses a writing and erasing integrated blackboard, which comprises a vertically arranged left shaft and a right shaft, and a software writing panel is arranged between the left shaft and the right shaft, and one end of the software writing panel is wound on the left shaft. The other end is wound on the right shaft. The software writing panel forms a writing layout between the left shaft and the right shaft. The lower ends of the left shaft and the right shaft are connected by a hinge. The lower end is provided with a right handle; the left side of the left shaft is provided with a vertically arranged left brush, and a soft writing panel is wound between the left brush and the left shaft; the right side of the right shaft is provided with a vertically arranged right brush , a software writing panel is wound between the right brush and the right rotating shaft. In the utility model, the software writing panel is wound on the left rotating shaft and the right rotating shaft, which facilitates the use of the user and reduces the operating intensity of the user.

Description

A writing and erasing integrated blackboard

technical field

The utility model relates to a teaching tool, in particular to a writing and erasing integrated blackboard.

Background technique

For a long time, traditional blackboards have mostly been in the shape of flat rectangles. Traditional blackboards are relatively convenient to install and clean, but they also have many shortcomings. First of all, after the blackboard is wiped, the dust will float randomly, which will cause serious indoor environmental pollution if the air in the classroom is not circulated; and it is not recyclable, which does not meet the social theme of recycling. Secondly, the angle of indoor light is constantly changing throughout the day, which can easily lead to reflections on the blackboard; in addition, the single-sided blackboard has a small capacity, and it is easy to wipe the blackboard frequently during a class, which affects classroom efficiency and brings many problems to users. inconvenient.

This shows that the prior art needs further improvement and development.

Utility model content

The utility model provides a writing and erasing integrated blackboard to solve the above-mentioned defects in the prior art, and scientifically and rationally improves the blackboard in the prior art to facilitate the use of the user and reduce the operating intensity of the user.

In order to solve the above-mentioned technical problems, the utility model scheme includes:

A writing and erasing integrated blackboard, which includes a vertically arranged left and right rotating shafts, wherein a software writing panel is arranged between the left and right rotating shafts, one end of the software writing panel is wound on the left rotating shaft, and the other end is wound on the On the right rotating shaft, the software writing panel forms a writing layout between the left rotating shaft and the right rotating shaft. The lower ends of the left rotating shaft and the right rotating shaft are connected by a hinge. A crank handle; a vertically arranged left brush is arranged on the left side of the left rotating shaft, and a software writing panel is wound between the left brush and the left rotating shaft; a vertically arranged right brush is arranged on the right side of the right rotating shaft, and the right brush A software writing panel is wound between the right shaft and the right shaft.

The writing and erasing integrated blackboard, wherein, the above-mentioned left rotating shaft and the right rotating shaft have the same length, which is 50 cm to 100 cm, and the distance between the left rotating shaft and the right rotating shaft is 120 cm to 200 cm; A dust box is arranged directly under the left hair brush and the right hair brush.

The utility model provides a writing and erasing integrated blackboard. By winding a software writing panel on the left and right rotating shafts, a writing board surface is formed between the left and right rotating shafts. Users can write while shaking the left handle or Shake the handle to the right to expand the writing area and at the same time wipe off the chalk-written pages, which is convenient for the user and reduces the operating intensity of the user.

Description of drawings

Fig. 1 is the structural diagram of writing and erasing integrated blackboard in the utility model.

Detailed ways

The utility model provides a writing and erasing integrated blackboard. In order to make the purpose, technical solution and advantages of the utility model clearer and clearer, the utility model will be further described in detail in conjunction with the accompanying drawings and embodiments below.

The utility model provides a writing and erasing integrated blackboard, through the cooperation of the left and right rotating shafts, the writing layout can be expanded, and the layout with chalk characters can be erased at the same time, which is convenient for the user and reduces the user's operation strength. As shown in Figure 1, the writing and erasing integrated blackboard includes a vertically arranged left shaft 1 and a right shaft 2, and a software writing panel 3 is arranged between the left shaft 1 and the right shaft 2, and one end of the software writing panel 3 is wound on the left side. On the rotating shaft 1, the other end is wound on the right rotating shaft 2. The software writing panel 3 forms a writing layout between the left rotating shaft 1 and the right rotating shaft 2. The lower ends of the left rotating shaft 1 and the right rotating shaft 2 are connected by a hinge 4, and the left rotating shaft The lower end of 1 is provided with a left handle 5, and the lower end of the right shaft 2 is provided with a right handle 6; the left side of the left shaft 1 is provided with a vertically arranged left brush 7, and the left brush 7 is wound with the left shaft 1. There is a software writing panel 3; the right side of the right shaft 2 is provided with a vertically arranged right brush 8, and a software writing panel 3 is wound between the right brush 8 and the right shaft 2.

In order to further improve the performance of the utility model, the left shaft 1 and the right shaft 2 have the same length, which is 50 cm to 100 cm, and the distance between the left shaft 1 and the right shaft 2 is 120 cm to 2 100 centimeters; Dust box 9 is all provided with right below left hair brush 7 and right hair brush 8.

Of course, the above description is not a limitation of the present utility model, and the present utility model is not limited to the above-mentioned examples, and changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the present utility model are also acceptable. Should belong to the protection scope of the utility model.

Claims (2)

1. write and wipe the integral type blackboard for one kind, left rotary shaft and right spindle that it comprises vertical setting is characterized in that: be provided with the software panel that writes between left rotary shaft and the right spindle; This software panel one end that writes is wrapped on the left rotary shaft; The other end is wrapped on the right spindle, and the software panel that writes forms one and writes the space of a whole page between left rotary shaft and right spindle, and left rotary shaft is connected through a hinge with the lower end of right spindle; The lower end of left rotary shaft is provided with left crank, and the lower end of right spindle is provided with right crank; The left side of left rotary shaft is provided with the left hairbrush of vertical layout, is wound with the software panel that writes between left hairbrush and the left rotary shaft; The right side of right spindle is provided with the right hairbrush of vertical layout, is wound with the software panel that writes between right hairbrush and the right spindle.

2. according to claim 1 writing wiped the integral type blackboard, and it is characterized in that: above-mentioned left rotary shaft is identical with right spindle length, is 50 centimetres to 100 centimetres, and the distance between left rotary shaft and the right spindle is 120 centimetres to 200 centimetres; Be provided with the dust box under left side hairbrush and the right hairbrush.

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