CN201807557U

CN201807557U - Dust remover of manual blackboard eraser

Info

Publication number: CN201807557U
Application number: CN2010201115993U
Authority: CN
Inventors: 龙跃进
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-02-10
Filing date: 2010-02-10
Publication date: 2011-04-27
Anticipated expiration: 2020-02-10

Abstract

The utility model provides a dust remover of a manual black eraser, comprising a dustproof slide plate and a dust collection box. The dust remover of the manual black eraser is characterized in that a thrust baffle device is arranged on the dustproof slide plate; the top surface of the dust collection box is provided with a dustproof grid device and a chute device; the thrust baffle device drives the dustproof slide plate to make to-and-fro movement in the chute device under the action of a forward-and-backward thrust force of the manual blackboard eraser to achieve the purposes of dust prevention and dust removal under the joint action of the dust removal grid device; and when dust is fully filled in the dust collection box, the dust can be poured out or recycled. With the dust remover of the manual black eraser, the secondary pollution generated during dust removal can be avoided by utilizing the special dustproof slide plate while the dust removal and collection of a blackboard is finished, thereby protecting the body health of teachers and students; the hands of a user do not need to leave the blackboard during dust removal, thereby fitting for the use habits of teachers and improving the use efficiency; only small hand power instead of power supply can operate the dust remover, thereby saving the energy; and the dust remover of the manual blackboard eraser is simple in structure and low in cost, and convenient for batch production.

Description

Hand blackboard eraser deduster

Technical field

The utility model relates to a kind of blackboard eraser deduster, particularly relates to a kind of hand blackboard eraser deduster of removing the chalk dust that the teacher adheres on the blackboard eraser adhesive hair when erasing the board with manual mode.

Background technology

At present, though the blank pen of dust and the new technology of electric dust absorption blackboard eraser one class have occurred not having substantially, be subjected to the restriction of many conditions in the practical application.They or valency height, inconvenient, not energy-conservation, common blank pen is done easily, some is difficult to wipe, well last ten yuan, the units up to a hundred that electronic blackboard eraser dust catcher is good, also to use electric energy, for this reason, a lot of schools, even in the teaching building of up-to-date construction, they still adopt easy making, with low cost, by simple felt for the main blackboard eraser of wiping dirt spare structure, in the colleges and universities of the author place provincial capital, what still just adopted in the most of classroom in the up-to-date teaching building of building up is this blackboard eraser.That is said nothing of, the outlying rural school that some conditions are poor.

But, when using this blackboard eraser, be easy to adsorb a large amount of chalk dusts, however the time remove them, otherwise the effect that erases the board will be very poor.Common situation, the teachers association looks for stiff dough or the hard edge angle blackboard eraser of patting or swipe nearby, such as, on the corner or ground cement step or door and window at dais, will produce the dust pollution to surrounding environment this moment, in the course of time, also can the teachers and students' that give a lesson health be worked the mischief.In order to use this blackboard eraser safely, a lot of people have invented the product of removing chalk dust on the blackboard eraser, wherein some is electronic and hand, some design is very ingenious, some design is very novel, but problem is many product structure complexity, processing difficulties, the cost height, price is expensive, must use electric energy, and some is also undesirable for dust removing effects, some product uses inconvenient and uncomfortable, especially do not meet the aged teacher's who is engaged in teaching for many years use habit, some invention will be opened lid earlier, put into blackboard eraser again, start power supply then, running a period of time, take out blackboard eraser again, build lid, use blackboard eraser at last, though dust removing effects well, but its process is quite loaded down with trivial details, it is not energy-conservation to waste time and energy yet, have when dedusting, because the characteristic that seal that is provided with and dust easily fly upward, caused the secondary dust pollution, well imagined that some invention products use extensively just not at all surprisingly.

Summary of the invention

In order to overcome the deficiency of more existing similar products, especially look after aged teacher's use habit, avoid the secondary dust pollution and energy-conservation aspect on, the utility model provides a kind of hand blackboard eraser deduster, this deduster can conveniently be removed the chalk dust on the blackboard eraser, can when dedusting, not have the secondary pollution of dust basically again, and on the basis of having saved electric energy, looked after the custom that the teacher uses blackboard eraser in the past.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of hand blackboard eraser deduster, the dust-collecting box that comprises dustproof slide plate and dustproof slide plate lower part, it is characterized in that: be provided with the set thrust plate device on dustproof slide plate, the dust-collecting box end face is provided with dedusting grid arrangement and chute device; On the dust-collecting box end face, also be mounted with prelocalization block and back position block.The set thrust plate device drives dustproof slide plate and moves forward and backward in chute device under the front and back motive force effect of hand-held blackboard eraser, finishes dustproof and dedusting task under dedusting grid arrangement one works.Can it be poured out or recycling by dust-collecting box opening goalkeeper after the dust in the dust-collecting box has been expired; For easy to use, available dust-collecting box lanyard and link are arranged to the blackboard appropriate positions near with this hand blackboard eraser deduster, teacher's one hand-held hand blackboard eraser deduster, and another hand-held blackboard eraser is finished the dedusting task under two hand mating reactions.

The utility model is when finishing blackboard eraser dedusting and control of dust, and the secondary pollution that is produced when utilizing special dustproof slide plate to avoid dedusting has protected that teachers and students' is healthy; During dedusting, hand needn't leave blackboard eraser, has looked after teacher's use habit, has improved service efficiency; Only use very little hand-power during operation,, saved the energy without power supply; Be provided with simple in structurely, with low cost, be convenient to produce by batch.

Description of drawings

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

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the A-A cutaway view of Fig. 2.

Among Fig. 1: 1. dustproof slide plate, 11. set thrust plate devices, 2. dust-collecting box, 23. dust-collecting box opening doors, 24. dust-collecting box lanyards

Among Fig. 2: 21. dedusting grid arrangement, 22. chute devices

Among Fig. 3: slip-off preventing block before 12., 13. back slip-off preventing blocks, 25. dust-collecting box links, 26. prelocalization blocks, 27. back position blocks, 28. blackboard erasers

The specific embodiment

Disclosed is a kind of hand blackboard eraser deduster, and it is made up of the dust-collecting box 2 of dustproof slide plate 1 and dustproof slide plate 1 lower part, prevents dust between slide plate 1 and the dust-collecting box 2 by connecting with contacting of blackboard eraser 28 with chute device 22.

Dustproof slide plate 1 is that both sides are smooth flat cuboid, on dustproof slide plate 1, be provided with set thrust plate device 11, slip-off preventing block 12 and back slip-off preventing block 13 before dustproof slide plate 1 two ends is provided with, wherein, set thrust plate device 11 is positioned at middle part above the dustproof slide plate 1, by the two ends that the blackboard eraser shape is opened empty rectangular region, consistent by front and back two block lengths with the blackboard eraser width, highly be blackboard eraser thickness 2/3rds, outwards tiltedly found the 10 rectangle baffle plates of spending respectively and form.

On dust-collecting box 2 end faces, be mounted with dedusting grid arrangement 21, chute device 22 and front and back position block 26 and 27.Wherein, dedusting grid arrangement 21 is the plane cuboids that can be embedded into dust-collecting box 2 end faces, and its middle part rectangular region is made of some dedusting grid bars that are stained with velcro, arrange by fixed intervals; Near the two ends of the middle part of dedusting grid arrangement 21 rectangular region, be fixed with prelocalization block 26 and back position block 27; Chute device 22 be two be separately fixed on the digonous arm of angle of dust-collecting box 2 end faces, the cross section is the chute of " E " font.

Dust-collecting box opening door 23 is arranged on an end of dust-collecting box 2, and the other end has dust-collecting box link 25 and dust-collecting box lanyard 24.The rectangle door that dust-collecting box opening door 23 is belt switches, can outwards rotate; Dust-collecting box link 25 and dust-collecting box lanyard 24 are used for the arrangement of hand blackboard eraser deduster.

During use, the hand-held blackboard eraser 28 that is covered with chalk dust of teacher is put into and is opened the sky rectangular region between the set thrust plate device 11 on the dustproof slide plate 11; A little firmly pushing down blackboard eraser 28 in dedusting grid arrangement 21 above, utilize the power of hand that blackboard eraser 28 two ends are propped up set thrust plate device 11, drive dustproof slide plate 1 and move forward and backward several along the chute device 22 on dust-collecting box 2 end faces; Under the scraping effect of the nylon fastener belt on dedusting grid arrangement 21, remove the dust on the blackboard eraser 28, its dust falls into dust-collecting box 2 the insides; Wait a moment,, hand blackboard eraser 28 and leave set thrust plate device 11, finish the dedusting work of this time when dust has not flown upward; When the dust of 2 li of dust-collecting boxes is expired, can open dust-collecting box opening door 23, pour in the dustbin dust or recycling.

Can utilize dust-collecting box lanyard 24 and dust-collecting box link 25 that this hand blackboard eraser deduster is arranged to the blackboard appropriate positions near, teacher can a manually-operated formula blackboard eraser deduster, and another is handed blackboard eraser 28, finishes the dedusting task under two hand mating reactions.

A kind of conversion as present embodiment, the fixture of intensified nylon thread gluing or screw class can be set on dust-collecting box 2 bottoms, then, hand blackboard eraser deduster is fixed on dais or other rigid planar uses, so just can only finish the dedusting task with a hand.

A kind of conversion as present embodiment, can change and become one and can dynamically regulate the device of hollow rectangular region size being fixed on set thrust plate device 11 on the dustproof slide plate 1, so just can be applied to off-gauge blackboard eraser, comprise a blank blackboard eraser that also is stained with low amounts of dust.

A kind of conversion as present embodiment, dedusting grid arrangement on the dust-collecting box 2 21 can be changed become not use and be stained with velcro, constitute by the more spaced dedusting grid bars of other geometries, to adapt to the dedusting on the different article, further enlarge its scope of application.

More than show and described basic principle of the present utility model, essential characteristic and advantage.Relevant technologies personnel should understand the utility model and not be restricted to the described embodiments; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and they all can fall in the protection domain that the utility model appended claims and equivalent thereof define.

Claims

1. hand blackboard eraser deduster, the dust-collecting box (2) that comprises dustproof slide plate (1) and dustproof slide plate (1) lower part, it is characterized in that: be provided with set thrust plate device (11) on dustproof slide plate (1), dust-collecting box (2) end face is provided with dedusting grid arrangement (21) and chute device (22).

2. blackboard eraser deduster according to claim 1 is characterized in that: dustproof slide plate (1) is that both sides are smooth flat cuboid, slip-off preventing block (12) and back slip-off preventing block (13) before dustproof slide plate (1) two ends is provided with.

3. blackboard eraser deduster according to claim 1 is characterized in that: also be mounted with prelocalization block (26) and back position block (27) on dust-collecting box (2) end face.

4. blackboard eraser deduster according to claim 1 and 2, it is characterized in that: set thrust plate device (11) is positioned at middle part above the dustproof slide plate (1), by the two ends that the blackboard eraser shape is opened empty rectangular region, consistent by front and back two block lengths with the blackboard eraser width, highly be blackboard eraser thickness 2/3rds, outwards tiltedly found the 10 rectangle baffle plates of spending respectively and form.

5. according to claim 1 or 3 described blackboard eraser dedusters, it is characterized in that: dedusting grid arrangement (21) is a plane cuboid that can be embedded into dust-collecting box (2) end face, and its middle part rectangular region is made of the dedusting grid bar that is stained with velcro, arrange by fixed intervals.

6. according to claim 1 or 3 described blackboard eraser dedusters, it is characterized in that: chute device (22) be two be separately fixed on the digonous arm of angle of dust-collecting box (2) end face, the cross section is the chute of " E " font.

7. according to claim 1 or 3 described blackboard eraser dedusters, it is characterized in that: near the two ends of the middle part rectangular region of dedusting grid arrangement (21), be fixed with prelocalization block (26) and back position block (27).