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Adjustable blackboard for teaching blackboard newspaper

A blackboard and board report technology, applied in the blackboard field of teaching, can solve the problems of teachers and students falling and being injured, unable to adjust, etc., and achieves the effect of preventing random scattering, convenient and quick cleaning, and convenient operation.

Active Publication Date: 2018-07-06
临沂华标教学设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problem that the existing blackboards used for teaching blackboards usually adopt a traditional fixed structure, which cannot be adjusted, teachers and students need to use chairs and stools to carry out high-altitude operations in order to make a complete teaching blackboard on the blackboard, which will easily lead to teachers and students The technical problem to be solved by the present invention is to provide a kind of adjustable blackboard that is flexible in structure, can be adjusted, does not require teachers and students to work at heights, and is safe and reliable for teaching blackboards.

Method used

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  • Adjustable blackboard for teaching blackboard newspaper
  • Adjustable blackboard for teaching blackboard newspaper
  • Adjustable blackboard for teaching blackboard newspaper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An adjustable blackboard for teaching blackboard newspapers, such as Figure 1-5 As shown, it includes a base 1, a large bracket 2, a slide rail 3, a slider 4, a top plate 5, a large connecting plate 6, a first fixing plate 7, a second fixing plate 8, a large nut 9, a large screw rod 10, the first A bearing 11, a second bearing 12, a rotating wheel 13, a plate body 14, a large connecting shaft 15, a first rotating disk 16, a first connecting rod 17, a first pin rod 18, a first fixed block 19, and a first small positioning Screw rod 20, the second rotating disc 21, the second connecting rod 22, the second pin rod 23, the second fixed block 24, the second small positioning screw 25, the large positioning screw 26 and the large connecting block 27, the large bracket 2 is located at the base 1 Above, the large bracket 2 is connected to the base 1, the slide rail 3 is located on the left side of the large bracket 2, the slide rail 3 is connected to the large bracket 2, the s...

Embodiment 2

[0029] An adjustable blackboard for teaching blackboard newspapers, such as Figure 1-5 As shown, it includes a base 1, a large bracket 2, a slide rail 3, a slider 4, a top plate 5, a large connecting plate 6, a first fixing plate 7, a second fixing plate 8, a large nut 9, a large screw rod 10, the first A bearing 11, a second bearing 12, a rotating wheel 13, a plate body 14, a large connecting shaft 15, a first rotating disk 16, a first connecting rod 17, a first pin rod 18, a first fixed block 19, and a first small positioning Screw rod 20, the second rotating disc 21, the second connecting rod 22, the second pin rod 23, the second fixed block 24, the second small positioning screw 25, the large positioning screw 26 and the large connecting block 27, the large bracket 2 is located at the base 1 Above, the large bracket 2 is connected to the base 1, the slide rail 3 is located on the left side of the large bracket 2, the slide rail 3 is connected to the large bracket 2, the s...

Embodiment 3

[0032] An adjustable blackboard for teaching blackboard newspapers, such as Figure 1-5 As shown, it includes a base 1, a large bracket 2, a slide rail 3, a slider 4, a top plate 5, a large connecting plate 6, a first fixing plate 7, a second fixing plate 8, a large nut 9, a large screw rod 10, the first A bearing 11, a second bearing 12, a rotating wheel 13, a plate body 14, a large connecting shaft 15, a first rotating disk 16, a first connecting rod 17, a first pin rod 18, a first fixed block 19, and a first small positioning Screw rod 20, the second rotating disc 21, the second connecting rod 22, the second pin rod 23, the second fixed block 24, the second small positioning screw 25, the large positioning screw 26 and the large connecting block 27, the large bracket 2 is located at the base 1 Above, the large bracket 2 is connected to the base 1, the slide rail 3 is located on the left side of the large bracket 2, the slide rail 3 is connected to the large bracket 2, the s...

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Abstract

The invention relates to a blackboard for teaching, in particular to an adjustable blackboard for teaching blackboard newspaper. The adjustable blackboard for the teaching blackboard newspaper is flexible in structure, safe and reliable and can be adjusted, and teachers and students do not need to perform overhead operation, and comprises a base, a large bracket, sliding rails, a sliding block, atop plate, a large connecting plate, a first fixing plate, a second fixing plate, a large nut, a large screw rod, a first bearing, a second bearing and the like; and the large bracket is located abovethe base and connected with the base, and the sliding rails are located on the left side of the large bracket. The adjustable blackboard for the teaching blackboard newspaper is flexible in structure, the height position can be adjusted, teachers and students do not need to perform overhead operation, and safety of teaching staff is guaranteed advantageously.

Description

technical field [0001] The invention relates to a blackboard used for teaching, in particular to an adjustable blackboard used for teaching blackboard newspapers. Background technique [0002] Teaching is a human-specific talent cultivation activity composed of teachers' teaching and students' learning. Through such activities, teachers guide students to learn and master cultural and scientific knowledge and skills purposefully, in a planned and organized manner, and promote the improvement of students' quality, so that they can become the people needed by society. The blackboard newspaper is a popular publicity position that uses a fixed or mobile blackboard as a carrier, and uses chalk or advertising paint as writing and painting tools. It has the advantages of being easy to scrub, modify, and replace, and is the most economical, convenient, and common form of publicity Form, widely used in primary and secondary schools. The blackboard newspaper is another form of newspa...

Claims

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Application Information

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IPC IPC(8): B43L1/04A47B97/04
CPCA47B97/04B43L1/04
Inventor 不公告发明人
Owner 临沂华标教学设备有限公司
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