CN2383691Y - Classroom blackboard with automatic wiping and chalk dust-absorbing structure - Google Patents

Abstract

The utility model relates to a structural improvement of an automatic blackboard eraser and a dust remover of a blackboard used in a classroom. The outer covers of both sides of the blackboard is provided with a control switch which can make a soft blackboard body rotate and stop. The control switch is driven by a driving motor after the control switch is switched on, so drive shafts on left and right inner sides are rotated in order to drive the soft blackboard body to move. Meanwhile, an erasing rod on one side of each drive shaft follows the drive shafts to rotate. Powder dust on the surface of the soft blackboard body is erased through mutual friction between the erasing rods and the soft blackboard body, and then the powder dust falls into a box body under the mutual friction of each powder erasing block on one side of each erasing rod. The utility model can erase the blackboard automatically, and can collect the powder dust in order to avoid the threat to people's health condition caused by that people suck in powder dust.

Description

Classroom blackboard with automatic wiping board and dust suction structure

The utility model relates to a kind of classroom automatic wiping board of blackboard and the improved structure of dust suction.

From primary school, junior middle school, senior middle school even to training, university, in school or in the general place to operate schools, " blackboard " become indispensable teaching aid, yet blackboard also must cooperate chalk, blackboard eraser can purely and simply give play to the function that itself is possessed again; But, traditional blackboard 7 like that (as shown in Figure 1) is one-body moldedly to constitute, and be formed with a groove 8 at the surperficial lower end of this blackboard, be a teacher when using blackboard eraser with the blackboard wiped clean, chalk dust is except that dropping to groove in the process of wiping, also can therefore cause chalk dust to disperse comes, and teacher is because of quite approaching with blackboard, so exhale one will suck a large amount of chalk dusts virtually between inhaling one, cause teacher sometimes blackboard not to be write when can write with having and just can remove blackboard wiping, thus, no matter in the wiping time institute application of force is that the big or little quantity of chalk dust that more can make increases, and easier dispersing come and also therefore expansion of area, moreover, except that the wiper can suck the chalk dust in wiping, also can therefore suck chalk dust to the students of what under blackboard, under sucking for a long time, be enough to have influence on the smooth and easy of respiratory system, more severe patient then can cause symptom generations such as bronchitis, teachers can erase the board with one hand when blackboard wiping, and another hand undoubtedly cover mouth and nose to prevent to suck chalk dust with hand exactly, but, students below blackboard has only and continues to be subjected to this " painless nothing is supported but can be influenced the killer of people's health ", moreover, in the blackboard wiping process, except that meeting sucks chalk dust, clothes or many places such as trousers and hand are stained with and are covering many chalk dusts, so certain row is washed one's hands up hill and dale after wiping, if not so carefully eaten chalk dust by mistake going to touch not have by food, that can be really one must note, an incautious thing!

The purpose of this utility model provides a kind of classroom blackboard with automatic wiping board and dust suction structure, this blackboard has the function of Automatic erasing blackboard, and the powder ash can be put together simultaneously, the powder ash is dispersed, can not cause taking place because of sucking the threaten situation of health of powder ash yet.

For achieving the above object, the utility model is taked following design: this classroom blackboard with automatic wiping board and dust suction structure, be in the blackboard body, to be equiped with symmetrical drive link, and be equiped with the CD-ROM drive motor that the drive link of direct this side of driving rotates in this blackboard body upper end one side, the place is equiped with a montant in addition in the middle of symmetrical drive link, the upper end of this montant is in transmission connection with symmetrical drive link respectively by chain, be equiped with the wiping bar in the outside of symmetrical drive link respectively and wipe away powder agglomates, the corresponding drive link of every side is connected with chain by gear with the wiping bar, one in the form of a ring the two ends of soft plate body are clamped in place in the middle of corresponding drive link in both sides and the wiping bar respectively, lower end at blackboard body both sides enclosing cover is provided with gauge tap, installs plate in addition in the inside of soft plate body.

This CD-ROM drive motor then makes the power transmission shaft that is set in inboard about body rotate after the startup, and then drive soft plate body and make move left and right, wiping bar in this power transmission shaft one side also and then rotates simultaneously, and by with the wiping bar mutually mutual friction cause powder ash to wipe out with the soft board surface, and therefore this powder ash is also covering on the wiping bar, rub down mutually with the wiping bar that is rotary state by installing the fixing powder bar of wiping away on one side more in addition, causing powder ash that the wiping bar is being covered to be wiped away the grooming of powder bar falls, and the powder ash is after grooming and down drop and be concentrated in the box body, so the plate that installs in addition in the inside of this soft plate body can support the active force of being executed when writing, make it reach Automatic erasing blackboard, simultaneously and the powder ash can be put together, therefore can not cause taking place because of sucking the threaten situation of health of powder ash.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the schematic perspective view of normal blackboard

Fig. 2 is a schematic perspective view of the present utility model

Fig. 3 is STRUCTURE DECOMPOSITION figure of the present utility model and partial enlarged drawing

Fig. 4 is the utility model back side solid and partial exploded view

Fig. 5 is a top plan view of the present utility model

At first, please cooperate and consult Fig. 2, the detailed structure explanation of Fig. 3, this the classroom automatic wiping board of blackboard and the improved structure of dust suction, be to be equipped with a groove 11 that can supply chalk to place at this blackboard 1 lower end, and on the enclosing cover 12 of both sides, be equiped with a gauge tap 13, a CD-ROM drive motor 15 that can be installed by upper frame 14 after this gauge tap 13 is opened and a conjugant 16 of 2 bindings of a drive link, causing CD-ROM drive motor 15 can drive a drive link 2 rotates, and at this left and right sides drive link 2, locating in addition in the middle of 21, device has a montant 3, this montant 3 has one to be attached at left and right sides drive link 2 at the upper end device, the chain of 21 upper ends, then can drive soft plate body 4 simultaneously behind the startup CD-ROM drive motor 15 moves, and this soft plate body 4 be a ring-type and two ends and be clamped in about inboard drive link 2,21 with wiping bar 5, place's (as shown in Figure 5) in the middle of 51, this drive link 2,21 with wiping bar 5,51 upper ends respectively device have a gear and with a chain as a driving force, when drive link 2, during 21 transmissions and drive wiping bar 5,51 when rotating, and the powder ash on soft plate body 4 surfaces can be wiped out by the phase mutual friction, this powder ash and covering after wiping at wiping bar 5, on 51, see also Fig. 4, shown in Figure 5, wipe away powder agglomates 6 by what be fixed on the enclosing cover inboard again, 61 be the wiping bar 5 of rotary state, 51 rub, cause wiping bar 5, the 51 powder ashes that covered are wiped away the grooming of powder agglomates institute and are fallen, and the powder ash is after grooming and down drop and be concentrated in the box body 17, when the powder ash in box body 17 is full of soon, just box body 17 extractions can be outwelled the powder ash and get final product, get final product and only need click gauge tap 13 when desiring to stop operating, moreover, there is plate 41 inside of this soft plate body 4 device in addition, can be supported the active force of being executed when writing.

Thus, the mode by automation fully when this blackboard of wiping, the powder ash is dispersed everywhere, the generation that also can not cause teacher or student to suck a large amount of powder ashes because of the action of blackboard wiping and then produce phenomenons such as disease, more can not allow and cover many powder ashes on one's body, in addition, teachers also need not wiping blackboard on the other hand and another hand also will be covered actions such as mouth and nose, and the also very convenient pollution that can not cause air on handling of powder ash; It is reached have Automatic erasing blackboard simultaneously and the powder ash can be put together and do not cause because of sucking the threaten effect of health of powder ash.

In sum, the practicality that the utility model structure is produced not only can solve the problems of getting rid of normal blackboard, and then to reach the progressive of the real benefit of raising the efficiency use.

Claims (1)

1, a kind of classroom blackboard with automatic wiping board and dust suction structure, it is characterized in that: in the blackboard body, be equiped with symmetrical drive link, and be equiped with the CD-ROM drive motor that the drive link of direct this side of driving rotates in this blackboard body upper end one side, the place is equiped with a montant in addition in the middle of symmetrical drive link, the upper end of this montant is in transmission connection with symmetrical drive link respectively by chain, be equiped with the wiping bar in the outside of symmetrical drive link respectively and wipe away powder agglomates, the corresponding drive link of every side is connected with chain by gear with the wiping bar, one in the form of a ring the two ends of soft plate body are clamped in place in the middle of corresponding drive link in both sides and the wiping bar respectively, lower end at blackboard body both sides enclosing cover is provided with gauge tap, installs plate in addition in the inside of soft plate body.

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