CN201132450Y - Novel blackboard - Google Patents

Abstract

The utility model relates to a novel blackboard which is characterized in that the bottom edge of the blackboard is provided with an insequent collecting vat the lower end of which is connected with a refuse bag; the upper side and the lower side of the blackboard are respectively provided with a slideway; both ends of a connecting rod are respectively inserted into the slideway; the surface of the connecting rod is wound with clean cotton; the blackboard is internally provided with a cleaner; the location of the clean cotton corresponding to the connecting rod is provided with a cleaning hole. When users write on the blackboard, chalk dust falls in the collecting vat. And the insequent structure of the collecting vat ensures that the chalk dust glides down to the refuse bag. When the blackboard is cleaned, the cleaner is switched off, and the connecting rod is held by users to sway, in this way, the cleaner can absorb the chalk dust removed from the blackboard by using the clean cotton to cleanse the blackboard. The novel blackboard has reasonable structure, convenient and practical usage, complete function, simple technics, etc.

Description

New blackboard

Technical field

The utility model relates to a kind of teaching aid, especially a kind of new blackboard.

Background technology

At present, the blackboard that uses all is provided with groove on the base now, loads chalk and other realias by groove.Therefore but when groove stockpiles too much chalk and chalk dust, just need clear up, waste student and teacher's plenty of time, and cause problem such as dust pollution easily; The problem that another one is the most serious is, is easy to generate a large amount of chalk dusts when blackboard wiping, and the healthy of teachers and students in these chalk dust serious threats of floating.For this reason, we to provide a kind of new blackboard to solve the problems referred to above extremely important.

Summary of the invention

The purpose of this utility model provides a kind of new blackboard, is used to solve the problem that normal blackboard can't absorb chalk dust and inconvenience cleaning storing groove.

For achieving the above object, the utility model new blackboard comprises the rectangle blackboard, processes oblique feeder along the blackboard base, connects refuse bag in the feeder lower end; Offer slideway respectively in both sides up and down at blackboard, the two ends of connecting rod assign into respectively in the slideway, twine cleaning cotton on the connecting rod surface, the inner dust catcher of installing; Offer air suction opening at cleaning cotton and connecting rod correspondence position.

After adopting said structure, the user is when writing writing on the blackboard, and chalk dust is from dropping in feeder, because feeder is an oblique structure, chalk dust runs up to a certain degree and can slide to down in the refuse bag of low side, need not clear up; In addition, when blackboard wiping, closed dust catcher switch is held the connecting rod move left and right, and by cleaning cotton Wiper plate face, and dust catcher can absorb the chalk dust of wiping, and avoids dust to dance in the air.

The utility model has the advantages that: rational in infrastructure, convenient and practical, complete function, technology are simple, just can absorb chalk dust in wiping process, reduce dust pollution, and can keep the health of feeder, and comfortable teaching environment easily is provided.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the utility model new blackboard.

The specific embodiment

As shown in Figure 1, the utility model new blackboard comprises rectangle blackboard 1, processes oblique feeder 2 along blackboard 1 base, connects refuse bag 3 in feeder 2 lower end; Both sides offer slideway 4 respectively at blackboard about in the of 1, the two ends of connecting rod 5 assign into respectively in the slideway 4, twine cleaning cotton 6 on connecting rod 5 surfaces, the inner dust catcher 7 of installing; Offer air suction opening 8 at cleaning cotton 6 and connecting rod 5 correspondence positions.

Claims (1)

1, a kind of new blackboard comprises rectangle blackboard (1), it is characterized in that: process oblique feeder (2) along blackboard (1) base, connect refuse bag (3) in feeder (2) lower end; Offer slideway (4) respectively in both sides up and down at blackboard (1), the two ends of connecting rod (5) assign into respectively in the slideway (4), twine cleaning cotton (6) on connecting rod (5) surface, the inner dust catcher (7) of installing; Offer air suction opening (8) at cleaning cotton (6) and connecting rod (5) correspondence position.

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