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Blackboard special for college English

A blackboard and English technology, applied in the field of teaching equipment, can solve the problems of troublesome wiping, residual powder traces, inconvenience, etc., and achieve the effects of improving teaching efficiency, increasing service life, and facilitating cleaning

Pending Publication Date: 2021-08-20
丁大琴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For this reason, the present invention provides a kind of college English special-purpose blackboard, through cleaning mechanism and sweeping mechanism, to solve the very serious that chalk powder falls off, and can write on the blackboard very full in the English teaching process, when wiping all It is troublesome and inconvenient, and there will be traces of powder on the surface of the blackboard, which is very unenvironmental and leads to the problem of low teaching efficiency

Method used

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  • Blackboard special for college English
  • Blackboard special for college English
  • Blackboard special for college English

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1, with reference to attached Figure 1-6 , a special blackboard for college English provided by the present invention, comprising a blackboard body 1, the front side of the blackboard body 1 is fixedly connected with a cover plate 8, the top of the cover plate 8 is fixedly provided with an ash box 4, and the cover plate 8 A cleaning mechanism is provided inside, and a cleaning mechanism is provided inside the dust accumulation box 4;

[0034] The cleaning mechanism includes a sliding rod 11 and a first screw rod 17, the sliding rod 11 and the first screw rod 17 are both arranged inside the cover plate 8, and the outside of the sliding rod 11 and the first screw rod 17 are respectively sleeved with Slide block 12 and thread block 16, between described slide block 12 and thread block 16, connecting plate 7 is fixedly connected, and one side of described connecting plate 7 is fixedly provided with support plate 27, and one side of described support plate 27 is ...

Embodiment 2

[0044] Embodiment 2, with reference to attached Figure 7-10 , a special blackboard for college English provided by the present invention, the cleaning assembly includes a rotating rod 31, one end of the rotating rod 31 is connected to the side wall of the cover plate 8 through a bearing, and the bottom end of the rotating rod 31 is bearing connected to a supporting bottom plate 33 , the support base plate 33 is fixedly connected with the ash accumulation box 4, the first belt pulley 32 is fixedly sleeved on the outside of the rotating rod 31, and the belt 34 is sleeved on the outside of the first belt pulley 32, and one side of the belt 34 is fixedly connected There is a second support block 39 , and a second brush 40 is fixedly connected to the bottom of the second support block 39 , and the second brush 40 is in contact with the bottom side wall of the ash accumulation box 4 .

[0045] Further, a third housing 35 is fixedly connected to one side of the dust accumulation box...

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Abstract

The invention discloses a blackboard special for college English. According to the technical scheme, the blackboard special for college English comprises a blackboard body, a cover plate is fixedly connected to the front side of the blackboard body, a dust accumulation box is fixedly arranged at the top of the cover plate, a cleaning mechanism is arranged on the inner side of the cover plate, and a sweeping mechanism is arranged in the dust accumulation box. The cleaning mechanism comprises a sliding rod and a first lead screw, the sliding rod and the first lead screw are both arranged on the inner side of the cover plate, the sliding rod and the first lead screw are sleeved with a sliding block and a threaded block respectively, a connecting plate is fixedly connected between the sliding block and the threaded block, and a supporting plate is fixedly arranged on one side of the connecting plate. A plurality of water outlets are formed in one side of the supporting plate, and wiping cotton is fixedly arranged on one side of the supporting plate. The blackboard has the beneficial effects that a large amount of falling chalk dust is collected in a centralized mode, cleaning is convenient, the teaching environment is prevented from being polluted, the teaching efficiency is improved, meanwhile, the blackboard is cleaned more conveniently and rapidly, meanwhile, the blackboard is cleaned and maintained, and the service life of the blackboard is prolonged.

Description

technical field [0001] The invention relates to the field of teaching tools, in particular to a special blackboard for college English. Background technique [0002] The teaching blackboard does not specifically refer to the black writing board for teaching. In the traditional sense, it is a flat board that can be written repeatedly. The surface of the teaching blackboard is hard and non-reflective. It is used for teaching. The surface of the teaching blackboard is generally made of magnetic color-coated steel plates. , this kind of material has the characteristics of wear resistance, no falling off, no fading, durable, good writing feel, clear writing, easy to write and easy to wipe. [0003] The prior art has the following deficiencies: the existing college English teaching blackboard is just a common board, and a large number of English words will be written during the English teaching process, causing the chalk powder to fall very seriously, and during the English teachi...

Claims

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Application Information

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IPC IPC(8): B43L21/00B43L1/04
CPCB43L21/00B43L1/04
Inventor 丁大琴
Owner 丁大琴
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