Propaganda tool for education

A tool and propaganda board technology, applied in the direction of home appliances, applications, furniture parts, etc., can solve the problems of downward sliding, affecting the effect of propaganda, etc., and achieve good propaganda effect.

Active Publication Date: 2020-10-09
TONGREN POLYTECHNIC COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide an educational publicity tool to solve the problem that in the prior art, due to the stay of chalk powder on the surface of blackboard newspapers, the formation of publicity pictures and texts is affected by the wind direction when it rains outdoors. , to make the rain float to the surface of the blackboard newspaper, making it stained with water and soaked, causing the powder on the upper end to slide with the water and slide down, causing the flowery surface of the blackboard newspaper and affecting the effect of publicity

Method used

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  • Propaganda tool for education
  • Propaganda tool for education
  • Propaganda tool for education

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1: Please refer to Figure 1-Figure 8 , the specific embodiments of the present invention are as follows:

[0029] Its structure includes support columns 1, publicity columns 2, top frames 3, and cornices 4. The publicity columns 2 are horizontally installed between the support columns 1 and welded together. The top frame 3 is installed on the upper ends of the support columns 1 and fixed connected, the cornice 4 is fixed on the upper end of the top frame 3 and connected by bolts; the billboard 2 includes an outer sealing structure 21, a blackboard 22, and a protective structure 23, and the outer sealing structure 21 is installed around the outside of the blackboard 22 and Using mechanical connection, the protective structure 23 is arranged on the outside of the blackboard 22 and movably connected to the inside of the outer sealing structure 21 .

[0030] refer to Figure 3-Figure 4 The outer sealing structure 21 includes an outer frame 211, a notch 212, a cla...

Embodiment 2

[0034] Example 2: Please refer to Figure 5-Figure 8 , the specific embodiments of the present invention are as follows:

[0035] The clamping structure 213 includes a guide block 13a, a sealing strip 13b, an adjustment structure 13c, and an arc strip 13d. The guide block 13a is installed on both sides of the sealing strip 13b and adopts a flexible connection. The adjustment structure 13c is fixed on the sealing strip 13b outside, the arc-shaped strip 13d is arranged on the upper end of the sealing strip 13b and is in contact with the retracting rod 233, and the protective cover 232 is abutted between the sealing strips 13b.

[0036] refer to Figure 5 There are two sealing strips 13b with springs between them, the sealing strips 13b correspond to the two adjustment structures 13c respectively, and can be reset and expanded in time when the adjustment structures 13c are loosened.

[0037]refer to Figure 6 The sealing strip 13b includes an embedded block b1, an airbag b2, a...

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Abstract

The invention discloses a propaganda tool for education. The structure of the propaganda comprises supporting columns, a propaganda board, a top frame and an eaves board. The propaganda board is horizontally installed between the supporting columns and is welded. The top frame is installed at the upper ends of the supporting columns and fixedly connected with the upper ends. The eaves board is fixed to the upper end of the top frame and connected with the top frame through bolts. The propaganda board comprises an outer sealing structure, a blackboard and a protecting structure. The sealing structure is installed on the outer side of the blackboard in a surrounding manner, and mechanical connecting is adopted. The protecting structure is arranged on the outer side of the blackboard and movably connected to the inner side of the outer sealing structure. According to the propaganda tool, the protecting structure is arranged on the outer side of the blackboard, powder of a blackboard newspaper is prevented from making contact with rainwater, and dryness and clearness of the blackboard are guaranteed. A clamping structure is arranged on the inner side of the outer frame, the side face is limited, entering of rainwater is prevented, at the same time, the protecting cover is prevented from waving when being affected by wind, staying of the powder on the blackboard is ensured, and propaganda can be carried out better.

Description

technical field [0001] The invention belongs to the field of publicity tools, and in particular relates to a publicity tool for education. Background technique [0002] In publicity and education, the form of pictorial and blackboard newspaper is usually used to publicize and educate people. The form of blackboard newspaper is mainly to use colored chalk to draw pictures and write on the publicity blackboard. In order to expand the scope of publicity, Then the publicity tools for education are all arranged outdoors for use, but the prior art has the following deficiencies: [0003] Since the surface of the blackboard newspaper is formed by the chalk powder staying on the surface, when it rains outdoors, it is affected by the wind direction to make the rain float to the surface of the blackboard newspaper, making it stained with water and soaked, causing the powder on the upper end to slide with the water , and slide down, which in turn will cause the blackboard newspaper to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/04A47B97/04G09F15/00
CPCA47B97/04B43L1/04G09F15/0006
Inventor 陈琳
Owner TONGREN POLYTECHNIC COLLEGE
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