CN105856928A - Zero-energy-consumption wet type dust collection board eraser - Google Patents

Zero-energy-consumption wet type dust collection board eraser Download PDF

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Publication number
CN105856928A
CN105856928A CN201610395847.3A CN201610395847A CN105856928A CN 105856928 A CN105856928 A CN 105856928A CN 201610395847 A CN201610395847 A CN 201610395847A CN 105856928 A CN105856928 A CN 105856928A
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CN
China
Prior art keywords
casing
base plate
box cover
wet type
type dust
Prior art date
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Granted
Application number
CN201610395847.3A
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Chinese (zh)
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CN105856928B (en
Inventor
杨华
高鑫磊
韩蕊
冯蕊
安西哲
关显鹏
何雯
许晋彰
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Hebei University of Technology
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Hebei University of Technology
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Priority to CN201610395847.3A priority Critical patent/CN105856928B/en
Publication of CN105856928A publication Critical patent/CN105856928A/en
Application granted granted Critical
Publication of CN105856928B publication Critical patent/CN105856928B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices
    • B43L21/02Blackboard or slate cleaning devices with means for absorbing the chalk dust

Abstract

The invention relates to a zero-energy-consumption wet type dust collection board eraser. The zero-energy-consumption wet type dust collection board eraser comprises a box, a transmission mechanism in the box and a sealing rubber ring arranged outside the box. The zero-energy-consumption wet type dust collection board eraser is characterized in that the box can be opened and comprises an upper box cover, upper box cover ventilation holes are formed in the upper box cover, each upper box cover ventilation hole is composed of a plurality of small holes, and top sponge is arranged on the lower surface of the upper box cover; a rubber roller through hole is formed in the center of a bottom plate of the box, two bottom plate ventilation holes are symmetrically formed with the rubber roller through hole as an axis, the bottom plate ventilation holes are located under the upper box cover ventilation holes, felt is fixed to the lower surface of the bottom plate, and the length of the felt is matched with that of the bottom plate; the sealing rubber ring is arranged on the lower portion of the bottom plate of the box in a sleeving mode and is made of a rubber material, a rectangular ring is arranged on the upper portion of the sealing rubber ring, a hollow rectangular pyramid is arranged on the lower portion of the rubber sealing ring, and adhesion sponge is arranged on the inner side of the hollow rectangular pyramid.

Description

A kind of zero energy consumption wet type dust-sucking eraser
Technical field
The present invention relates to realia technical field, particularly relate to a kind of zero energy consumption wet type dust-sucking eraser.
Background technology
In the daily teaching of teacher works, blackboard eraser is indispensable.And tradition blackboard eraser exists shortcoming, one can be produced when wiping Quantitative chalk dust, the health of teacher and student can be impacted by chalk dust.
Electrical dust-removing blackboard eraser to some extent solves the problem that chalk dust disorderly flies, but it can consume certain electric energy, does not meets The theory of energy-saving and emission-reduction.
The Chinese patent of Application No. 201510458018.0 discloses a kind of mechanical double train Dust-removing blackboard eraser, although this blackboard eraser is also Belong to zero energy consumption application of unregulated power input, but the drive mechanism applied is complex, and by using ratchet to ensure blackboard eraser Fan in casing remains that one turns to, but when do so can make blackboard eraser brandish to a direction on blackboard, fan rotates, And blackboard eraser is when brandishing to another direction, fan can be because being " locked " and stall, and this is to be determined by the feature of ratchet, this The dedusting of blackboard eraser, pick-up performance can be largely effected on, and this type of blackboard eraser requires that drive mechanism builds and is in close contact, when producing installation Relatively difficult.The Chinese patent of Patent No. ZL201020151041.8 discloses a kind of Dust-removing blackboard eraser, and this blackboard eraser is provided with and removes , operationally there is space in dust hood, it is difficult to being in close contact with blackboard surface, dust can fly upward along space between blackboard eraser and blackboard surface Out, it is impossible to reach good dust-proof effect.
Summary of the invention
For the deficiencies in the prior art, the technical problem to be solved is: provide a kind of zero energy consumption dust-sucking eraser.This plate Wipe unregulated power energy consumption, simple in construction, low cost, tight seal can be realized, and ensure that when making fan persistently rotates, and meeting Producing disturbance circulation, intensified dust removal, dust removing effects is notable.
The present invention solves described technical problem and employed technical scheme comprise that, it is provided that a kind of zero energy consumption wet type dust-sucking eraser, including casing, The drive mechanism of box house and the external sealing rubber ring of casing,
Described casing is openable casing, and including box cover, described box cover is provided with box cover passage, each Box cover passage is constituted by a number of aperture, and the lower surface at box cover is provided with top set sponge;
The base plate centre of described casing offers rubber roll through hole, is provided with two base plates with rubber roll through hole for axial symmetry and leads to Pore, base plate passage is positioned at the underface of box cover passage, and the lower surface at base plate is fixed with felt, the length of felt Match with the length of base plate;
Described sealing rubber ring is enclosed within the base plate bottom of casing, is made up of elastomeric material, and the top of sealing rubber ring is straight-flanked ring, Bottom is hollow tetragonous cone table, is provided with adhesion sponge in the inner side of hollow tetragonous cone table;
Described drive mechanism includes rubber roll, driving shaft, Phaleria macrocarpa gear, little gear, fan, two driven shafts, driven shafts Fixing axle and driven shaft fix axle fixture;Described rubber roll is fixed in the middle of driving shaft, and a described rubber roll part passes Rubber roll through hole, is positioned at box house, and a part is positioned at outside casing;The two ends of driving shaft are connected to a Phaleria macrocarpa tooth Wheel, the tooth on two Phaleria macrocarpa gears in opposite direction, driving shaft is fixed by the base plate of driving shaft fixture with casing;Each from Moving axis upper end connects driven shaft and fixes axle, and lower end connects has little gear, described little gear to be meshed with corresponding Phaleria macrocarpa gear, from Moving axis is fixed axle and is fixed by driven shaft that the inwall of axle fixture and casing is fixing to be connected, and the distance between two driven shafts is two The centre-to-centre spacing of base plate passage, the middle part of each driven shaft is mounted on fan.
Compared with prior art, blackboard eraser of the present invention uses the simple drive mechanism of unregulated power input and efficiently joining of sealing rubber ring Close, be greatly improved the dust removing effects of blackboard eraser.
Blackboard eraser of the present invention is from energy-conservation direction, it is achieved unregulated power input can realize dedusting, and box inner structure is simple, Being thered is provided driving force by rubber roll, by gear drive effect, drive flabellum to rotate and reach pick-up performance, dust is then stored in top In the wet sponge in portion, fitted seal rubber ring can be prevented effectively from because casing internal gas pressure is unstable or dust quilt the most completely in wiping process The secondary dust that rough air is transported to top set sponge and caused, it is achieved efficient dust suction, thus solve dust be teachers and students bring tired Disturb.Blackboard eraser energy-conserving and environment-protective of the present invention, simple in construction, use is simple, convenient for production and producing cost is low, has the biggest city Field prospect.
Two fans in casing of the present invention keep turning on the contrary and be operationally always maintained to rotate, when blackboard eraser on blackboard to one When individual direction is brandished, two fans turn on the contrary, can form the rough air along (inverse) hour hands, when brandishing to another direction During blackboard eraser, two fans turn to and change simultaneously, can form the rough air of inverse (suitable) hour hands, in the direction of rough air suitable Hour hands and counterclockwise between change time, the disturbance effect of rough air can be strengthened, be preferably carried to dust store up dirt part.Pass The rough air that in motivation structure, fan produces can only take away part dust, and the dust of remaining part may proceed to stay casing and by sealing Formed between rubber ring and blackboard surface and seal in space, but will not fly upward out, the most still can be transmitted fan in mechanism and produce Rough air take away or be bonded to sponge on sealing rubber ring and absorb, reach dedusting purpose.The driver of this box house The combination of structure and sealing rubber ring so that it is dedusting pick-up performance more than both simply add and.
The sealing rubber ring of blackboard eraser of the present invention is to be enclosed within lower box, and sealing rubber ring is operationally in close contact with blackboard surface, Formed between sealing rubber ring and blackboard surface and seal space, effectively prevent flying upward of dust.Because rubber mass is soft, although meeting during work Producing friction with blackboard surface, but will not produce and obvious noise, the side of hollow tetragonous cone table of bottom takes with the angle of base plate 45 °, the rubber of sealing rubber ring when blackboard eraser works can be prevented effectively from and occur that when blackboard eraser is brandished locking phenomenon affects and normally makes With, the dust being scraped outside sealing rubber ring also can be inhaled because of sealing rubber ring electrostatic produced with blackboard surface friction Live, will not fly upward, on the side of the hollow tetragonous cone table of that side sealing space of sealing rubber ring, be also stained with one layer and glue Attached sponge, can effectively absorb dust.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention zero energy consumption a kind of embodiment of wet type dust-sucking eraser;
Fig. 2 is the perspective view of the casing 1 of the present invention zero energy consumption a kind of embodiment of wet type dust-sucking eraser;
Fig. 3 is the perspective view of the drive mechanism 2 of the present invention zero energy consumption a kind of embodiment of wet type dust-sucking eraser;
Fig. 4 is the perspective view of the sealing rubber ring 3 of the present invention zero energy consumption a kind of embodiment of wet type dust-sucking eraser;
In figure, 1 casing, 2 drive mechanisms, 3 sealing rubber rings, 1.1 box covers, 1.2 top set sponges, 1.3 base plates, 1.4 Felt, 1.5 rubber roll through holes, 1.6 driving shaft support members, 1.7 base plate passages, 1.8 top set sponge support members, 1.9 casees Body upper cover passage;2.1 driven shafts fix axle, 2.2 driven shafts, 2.3 driving shafts, 2.4 rubber rolls, 2.5 Phaleria macrocarpa gears, 2.6 little gears, 2.7 driven shafts fix axle fixture, 2.8 fans;3.1 hollow tetragonous cone tables, 3.2 straight-flanked rings.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail, but does not protect in this, as to the application claim The restriction of scope.
The present invention zero energy consumption wet type dust-sucking eraser (being called for short blackboard eraser or blackboard eraser, see Fig. 1-4) includes the biography of casing 1, box house Motivation structure 2 and the external sealing rubber ring 3 of casing,
Described casing 1 is openable casing, and including box cover 1.1, described box cover 1.1 is provided with box cover ventilation Hole 1.9, each box cover passage 1.9 is constituted by a number of aperture, and a diameter of 1-2mm of described aperture is convenient Airflow, to ensure during using blackboard eraser, maintains box house air pressure in certain limit;At box cover 1.1 Lower surface is provided with the top set sponge 1.2 that thickness is 100-200mm;
Base plate 1.3 centre of described casing 1 offers rubber roll through hole 1.5, sets with rubber roll through hole 1.5 for axial symmetry Having two base plate passages 1.7, base plate passage 1.7 is positioned at the underface of box cover passage 1.9, base plate 1.3 times Surface is fixed with felt 1.4, and the length of felt 1.4 matches with the length of base plate 1.3;
Described sealing rubber ring 3 (seeing Fig. 4) is enclosed within the base plate bottom of casing, is made up of elastomeric material, sealing rubber ring 3 Top be straight-flanked ring 3.2, bottom is hollow tetragonous cone table 3.1, be provided with in the inner side of hollow tetragonous cone table 3.1 adhesion sponge;
Described drive mechanism 2 (seeing Fig. 3) include rubber roll 2.4, driving shaft 2.3, Phaleria macrocarpa gear 2.5, little gear 2.6, 2.8, two driven shafts 2.2 of fan, driven shaft fixes axle 2.1 and driven shaft fixes axle fixture 2.7;Described rubber roll 2.4 Being fixed in the middle of driving shaft 2.3, described rubber roll 2.4 part, through rubber roll through hole 1.5, is positioned at casing 1 internal, It is outside that a part is positioned at casing 1;The two ends of driving shaft 2.3 are connected to a Phaleria macrocarpa gear 2.5, two Phaleria macrocarpa gears 2.5 On tooth in opposite direction, driving shaft is fixed by the base plate of driving shaft fixture 1.6 with casing 1;On each driven shaft 2.2 End connects driven shaft and fixes axle 2.1, and lower end connects little gear 2.6, described little gear 2.6 and corresponding Phaleria macrocarpa gear 2.5 phase Engagement, driven shaft fixes axle 2.1 and fixes the inwall of axle fixture 2.7 and casing 1 by driven shaft and fix and be connected, and two driven Distance between axle 2.2 is the centre-to-centre spacing of two base plate passages 1.7, and the middle part of each driven shaft 2.2 is mounted on fan 2.8.
Further characteristic of the invention is that the integral diameter of described box cover passage 1.1 and base plate passage 1.7 is all and wind The diameter of fan matches, convenient processing aspect.
Further characteristic of the invention is that described base plate passage 1.7 is provided with two and baseboard material along floor length direction Identical strip, two strips by bottom hole 1.7 by bottom hole along baseplate width direction trisection, under two strips The fixing felt 1.4 in side, the global shape of base plate passage 1.7 can be circular or rectangle, is designed to circular more aesthetically pleasing, it is possible to shape Become gas channel.
Further characteristic of the invention is that the side of described hollow tetragonous cone table and the angle of base plate are 45 °.This angle ensure that During blackboard eraser work, the angle of sealing rubber ring and blackboard surface is within the specific limits, it is possible to be prevented effectively from the caulking gum when blackboard eraser works Circle occurs that when blackboard eraser is brandished locking phenomenon affects normal use.
Further characteristic of the invention is that the profile of described casing 1 is cuboid, and concrete shape size can making according to people Customize with custom and esthetic requirement.
Further characteristic of the invention is that described top set sponge 1.2 can be dismountable, and top set sponge 1.2 is by top set sponge Support member 1.8 is arranged in described casing 1, it is simple to retracts and installs, and top set sponge support member has four, is symmetrically mounted on case Internal at box cover 100-200mm (this 100-200mm is corresponding with top set sponge thickness), concrete installation site is not with Interference fan inside rotation and the aesthetic conceptions meeting people are principle, keep this top set sponge to moisten, for absorbing by casing during work Rough air that fan inside drives entrained dust.
Operation principle and the process of blackboard eraser of the present invention be: in use, sealing rubber ring 3 is close to blackboard surface, simultaneously rubber roll 2.4 and the most adjacent blackboard surface of felt 1.4, the adjacent blackboard surface of rubber roll 2.4 is to make rubber roll turn by the way of friction Move up, it is provided that initial driving force.The adjacent blackboard surface of felt 1.4 is the chalk writing in order to wipe on blackboard, and dust can be by fan 2.8 rough airs produced are brought on top set sponge 1.2 through base plate passage 1.7, and top set sponge 1.2 is detachable, in work Time keep moistening.Box cover passage 1.9 can ensure that operationally box house air pressure is maintained at certain limit.
During erasing the board, the movement locus direction of blackboard eraser keeps vertical with rubber roll 2.4 place axle as far as possible, prevents rubber Rubber-surfaced roll wheel 2.4 or drive mechanism 2 are damaged.During blackboard eraser erasing chalk writing, the rotation side of two fans 2.8 To being contrary, its implementation is to use the Phaleria macrocarpa gear 2.5 being arranged on driving shaft 2.3 to be symmetrically installed, and makes two Tooth on individual Phaleria macrocarpa gear 2.5 in opposite direction, then gear 2.6 little with on driven shaft 2.2 engage, such driving shaft 2.3 rotates Time, two driven shafts 2.2 will rotation direction contrary, when driving shaft 2.3 rotation direction is contrary (blackboard eraser is brandished to other direction) Time, two driven shafts 2.2 also can change simultaneously and turn to, it is ensured that when blackboard eraser is to two different directions motions, two fans 2.8 begin Keeping an air-breathing, an aerofluxus eventually, in strengthening rough air, and guard box body, air pressure keeps relative constancy.
During blackboard eraser erasing out handwriting, some dust can be affected by the rough air that fan 2.8 produces and is transported to Top set sponge 1.2, operationally keeps due to top set sponge 1.2 moistening, can effectively absorb dust, it is to avoid the generation of secondary dust, The repeatable dismounting of top set sponge 1.2 simultaneously, it is simple to clean, can supplement water by box cover passage 1.7 to top set sponge 1.2 Point, it is ensured that top set sponge 1.2 remains moistening.Dust can not be taken to top set sponge 1.2 completely, remaining dust, if Without special handling, rocked by blackboard eraser and other air-flows etc. affects, and is easily generated secondary dust, is therefore cased with close at blackboard eraser box bottom Envelope rubber ring 3, owing to sealing rubber ring 3 is in close contact with blackboard surface, it is to avoid the secondary dust caused for above-mentioned reasons Occur, but sealing rubber ring 3 should be avoided because with the friction self-locking of blackboard surface and cause blackboard eraser normally to wipe on blackboard surface and move, Therefore sealing rubber ring 3 operationally contacts formed angle and should control in certain limit with blackboard surface, its angle and rubber and Between blackboard surface, coefficient of friction is relevant, after being computed and designing, its angle is set to 45 °.Inside hollow tetragonous cone table 3.1 also Having adhesion sponge, it the most also keeps moistening, but does not contacts with blackboard surface, prevents blackboard surface of getting wet, can effectively absorb residual Stay the dust in casing.The most repeatable dismounting of sealing rubber ring 3, it is simple to clean.
In blackboard eraser work process, the adjacent blackboard surface of rubber roll 2.4 rolls provides initial driving force, and rubber roll 2.4 is fixed on On driving shaft 2.3, the Phaleria macrocarpa gear 2.5 through being fixed on driving shaft 2.3 delivers torque to the driven of fixed little gear 2.6 Axle 2.2, and then deliver torque to fan 2.8, make fan 2.8 rotate and produce rough air.Driving shaft 2.3 and driven shaft 2.2 Being fixed axle 2.1 by driving shaft support member 1.6 and driven shaft respectively to fix, driven shaft is fixed axle 2.1 and is then fixed axle by driven shaft and fix Part 2.7 is fixed.Depending on Phaleria macrocarpa gear 2.5 can be according to different occasions and required rough air flow velocity from the gear ratio of little gear 2.6, This invention can produce the product of a series of different gear ratio.
Embodiment 1
The present embodiment zero energy consumption wet type dust-sucking eraser includes the sealing that casing 1, the drive mechanism 2 of box house and casing are external Rubber ring 3,
Described casing 1 is openable casing, and including box cover 1.1, described box cover 1.1 is provided with box cover ventilation Hole 1.9, each box cover passage 1.9 is constituted by a number of aperture, and a diameter of 1.5mm of described aperture is convenient Airflow, to ensure during using blackboard eraser, maintains box house air pressure in certain limit;At box cover 1.1 Lower surface is provided with top set sponge 1.2;
Base plate 1.3 centre of described casing 1 offers rubber roll through hole 1.5, sets with rubber roll through hole 1.5 for axial symmetry Having two base plate passages 1.7, base plate passage 1.7 is positioned at the underface of box cover passage 1.9, base plate 1.3 times Surface is fixed with felt 1.4, and the length of felt 1.4 matches with the length of base plate 1.3;
Described sealing rubber ring 3 is enclosed within the base plate bottom of casing, is made up of elastomeric material, and the top of sealing rubber ring 3 is rectangle Ring 3.2, bottom is hollow tetragonous cone table 3.1, is provided with adhesion sponge in the inner side of hollow tetragonous cone table 3.1;
Described drive mechanism 2 include rubber roll 2.4, driving shaft 2.3, Phaleria macrocarpa gear 2.5, little gear 2.6, fan 2.8, Two driven shafts 2.2, driven shaft fixes axle 2.1 and driven shaft fixes axle fixture 2.7;Described rubber roll 2.4 is fixed on master In the middle of moving axis 2.3, described rubber roll 2.4 part, through rubber roll through hole 1.5, is positioned at casing 1 internal, a part of position Outside in casing 1;The two ends of driving shaft 2.3 are connected to a Phaleria macrocarpa gear 2.5, the tooth on two Phaleria macrocarpa gears 2.5 In opposite direction, driving shaft is fixed by the base plate of driving shaft fixture 1.6 with casing 1;Each driven shaft 2.2 upper end connect from Moving axis fixes axle 2.1, and lower end connects has little gear 2.6, described little gear 2.6 to be meshed with corresponding Phaleria macrocarpa gear 2.5, from Moving axis is fixed axle 2.1 and is fixed by driven shaft that the inwall of axle fixture 2.7 and casing 1 is fixing to be connected, between two driven shafts 2.2 The centre-to-centre spacing that distance is two base plate passages 1.7, the middle part of each driven shaft 2.2 is mounted on fan 2.8.
The present embodiment casing 1 is rectangular shape, and the thickness of top set sponge is 150mm, geomery and the inner side of box cover Face matches, and this top set sponge is by top set sponge supports support, it is simple to retracts and installs, and top set sponge support member has four, It is symmetrically mounted on interior (this 150mm is corresponding with top set sponge thickness), the concrete installation position at box cover 150mm of casing Put not disturb fan inside rotate and meet the aesthetic conceptions of people as principle.Keep this top set sponge to moisten during work, be used for absorbing By entrained by the rough air of box house fans drive dust.
The base plate of casing uses felt base plate, and at the rectangle that is shaped as of described rubber roll through hole, the length of rubber roll through hole is with wide The ratio diameter of rubber roll and the long 3mm of width, for passing radially through this hole by the rubber roll being fixed on driving shaft.The end of at Plate passage fixed driving shaft fixture middle with rubber roll through hole, for rigid drive shaft.Base plate passage 1.7 is the end of along Be provided with two strips identical with baseboard material on plate length direction, two strips by base plate passage 1.7 along baseplate width side To trisection, fixing felt 1.4 in the lower section of two strips, the global shape of base plate passage 1.7 can be circular, is fixed Felt is bar shaped, and length is equal with floor length, and Width x Height is 10mm, and symmetry is fixed on base plate, two of which Outside felt is concordant with bottom edge, and two inner side felts should be fixed on the place that base plate passage is not got through.
A part for the rubber roll being fixed in the middle of driving shaft is passed radially through rubber roll through hole, makes rubber roll at blackboard eraser Blackboard surface can be touched during work, and driving shaft is still stayed in casing casing, is fixed on by driving shaft on driving shaft support member, Driving shaft level is fixed, and two driven shafts are vertically fixed, and two driven shaft horizontal ranges are 100mm, a diameter of 60mm of fan.
The present invention does not addresses part and is applicable to prior art.

Claims (7)

1. a zero energy consumption wet type dust-sucking eraser, including the caulking gum that casing, the drive mechanism of box house and casing are external Circle, it is characterised in that described casing is openable casing, including box cover, described box cover is provided with box cover and leads to Pore, each box cover passage is constituted by a number of aperture, and the lower surface at box cover is provided with top set sponge;
The base plate centre of described casing offers rubber roll through hole, is provided with two base plates with rubber roll through hole for axial symmetry and leads to Pore, base plate passage is positioned at the underface of box cover passage, and the lower surface at base plate is fixed with felt, the length of felt Match with the length of base plate;
Described sealing rubber ring is enclosed within the base plate bottom of casing, is made up of elastomeric material, and the top of sealing rubber ring is straight-flanked ring, Bottom is hollow tetragonous cone table, is provided with adhesion sponge in the inner side of hollow tetragonous cone table;
Described drive mechanism includes rubber roll, driving shaft, Phaleria macrocarpa gear, little gear, fan, two driven shafts, driven shafts Fixing axle and driven shaft fix axle fixture;Described rubber roll is fixed in the middle of driving shaft, and a described rubber roll part passes Rubber roll through hole, is positioned at box house, and a part is positioned at outside casing;The two ends of driving shaft are connected to a Phaleria macrocarpa tooth Wheel, the tooth on two Phaleria macrocarpa gears in opposite direction, driving shaft is fixed by the base plate of driving shaft fixture with casing;Each from Moving axis upper end connects driven shaft and fixes axle, and lower end connects has little gear, described little gear to be meshed with corresponding Phaleria macrocarpa gear, from Moving axis is fixed axle and is fixed by driven shaft that the inwall of axle fixture and casing is fixing to be connected, and the distance between two driven shafts is two The centre-to-centre spacing of base plate passage, the middle part of each driven shaft is mounted on fan.
Zero energy consumption wet type dust-sucking eraser the most according to claim 1, it is characterised in that described box cover passage and base plate The integral diameter of passage all diameters with fan match.
Zero energy consumption wet type dust-sucking eraser the most according to claim 1, it is characterised in that little on described box cover passage A diameter of 1-2mm in hole.
Zero energy consumption wet type dust-sucking eraser the most according to claim 1, it is characterised in that described base plate passage is along floor length Be provided with two strips identical with baseboard material on direction, two strips by base plate passage along baseplate width direction trisection, Felt is fixed in the lower section of two strips.
Zero energy consumption wet type dust-sucking eraser the most according to claim 1, it is characterised in that the side of described hollow tetragonous cone table with The angle of base plate is 45 °.
Zero energy consumption wet type dust-sucking eraser the most according to claim 1, it is characterised in that the profile of described casing is cuboid.
Zero energy consumption wet type dust-sucking eraser the most according to claim 1, it is characterised in that described top set sponge is dismountable, Top set sponge is arranged in described casing by top set sponge support member.
CN201610395847.3A 2016-06-03 2016-06-03 A kind of zero energy consumption wet type dust-sucking eraser Active CN105856928B (en)

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Publication number Priority date Publication date Assignee Title
CN106626917A (en) * 2017-02-13 2017-05-10 河北工业大学 Blackboard eraser capable of collecting dust automatically

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CN203305740U (en) * 2013-05-16 2013-11-27 安徽省科普产品工程研究中心有限责任公司 Environment-friendly dust collection blackboard eraser
CN204322858U (en) * 2014-10-25 2015-05-13 朱德天 Be convenient to clean automatic dust-absorption eraser
CN204870247U (en) * 2015-07-30 2015-12-16 唐山学院 Mechanical type double round is dust removal blackboard eraser
CN205905622U (en) * 2016-06-03 2017-01-25 河北工业大学 Zero energy consumption wet -type dust collection plate wipe

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Publication number Priority date Publication date Assignee Title
CN2355898Y (en) * 1998-10-23 1999-12-29 王化勤 Dustless blackboard eraser
JP3103163U (en) * 2004-02-03 2004-07-29 林 介仁 Blackboard
CN201745342U (en) * 2010-04-01 2011-02-16 康志宇 Dust removal eraser
CN102367033A (en) * 2011-12-05 2012-03-07 许晨曦 Automatic dust-absorption blackboard eraser
CN203305740U (en) * 2013-05-16 2013-11-27 安徽省科普产品工程研究中心有限责任公司 Environment-friendly dust collection blackboard eraser
CN204322858U (en) * 2014-10-25 2015-05-13 朱德天 Be convenient to clean automatic dust-absorption eraser
CN204870247U (en) * 2015-07-30 2015-12-16 唐山学院 Mechanical type double round is dust removal blackboard eraser
CN205905622U (en) * 2016-06-03 2017-01-25 河北工业大学 Zero energy consumption wet -type dust collection plate wipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106626917A (en) * 2017-02-13 2017-05-10 河北工业大学 Blackboard eraser capable of collecting dust automatically
CN106626917B (en) * 2017-02-13 2018-04-27 河北工业大学 One kind can automatic dust collection blackboard eraser

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