WO2006024219A1 - Dispositif de nettoyage - Google Patents

Dispositif de nettoyage Download PDF

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Publication number
WO2006024219A1
WO2006024219A1 PCT/CN2005/001282 CN2005001282W WO2006024219A1 WO 2006024219 A1 WO2006024219 A1 WO 2006024219A1 CN 2005001282 W CN2005001282 W CN 2005001282W WO 2006024219 A1 WO2006024219 A1 WO 2006024219A1
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WO
WIPO (PCT)
Prior art keywords
chamber
outer casing
collecting box
wiping
brush
Prior art date
Application number
PCT/CN2005/001282
Other languages
English (en)
French (fr)
Inventor
Hsihuang Lai
Hsihur Lai
Original Assignee
Hsihuang Lai
Hsihur Lai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hsihuang Lai, Hsihur Lai filed Critical Hsihuang Lai
Priority to EP05774465A priority Critical patent/EP1806239A4/en
Publication of WO2006024219A1 publication Critical patent/WO2006024219A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0006—Erasers, rubbers, or erasing devices; Holders therefor motor-driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0037—Eraser cleaners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/0056—Holders for erasers
    • B43L19/0068—Hand-held holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
    • B43L19/04—Fibrous erasers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/04—Wiper holders

Definitions

  • the eraser structure of a chalk ash for wiping a blackboard has the following types: 1.
  • the belt type is a gray-type blackboard eraser
  • the middle part of each roller is provided with a groove for inserting the transmission strip of the wiping end belt to fix the endless belt on the roller, which can prevent the wiping surface when wiping the blackboard.
  • the belt can be driven by the end belt and the inner belt a roller, and then a belt of the left and right ends of the rear roller rotates a brush roller disposed on the rear side, and the bristles on the brush roller and the wiping endless belt are rotated in opposite directions to adhere to the wiping
  • the chalk ash on the endless belt is brushed into the gray box, but the structure of this patent has the following drawbacks:
  • the brush roller has a concave arc shape
  • the brush roller and the endless belt have only a straight contact area on the contact surface, so when the chalk dust is removed, it is necessary to roll back and forth several times to wipe the ring with the ring. The chalk ash is completely removed.
  • the wiping endless belt is supported by only two rollers, the wiping annular belt is easy to apply, and the unsupported portion between the two rollers is liable to sag and recess. As a result, the wiping area of the wiping endless belt during wiping is only present in the portion supported by the roller, so that the wiping effect is greatly reduced.
  • the suction opening of the vacuum cleaner is disposed on one side of the grooved casing, so the effect of vacuuming is not Preferably, unless the suction force of the vacuum cleaner is relatively large, the chalk ash on the front side of the wiping body cannot be sucked up by the vacuum cleaner when it is wiped.
  • Wiping is mainly provided by the wiping cloth when wiping, but the chalk ash adhered by the wiping cloth during wiping is easily dispersed in the air due to the movement of the rubbing, and the chalk ash is sucked into the body by the user. Harm to the health of the human body.
  • the present inventors have developed and designed the eraser of the present invention through long-term efforts in view of the drawbacks of the above-described known plate-and-shoulder structure and the long-term efforts of the design experience of related products for many years.
  • SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to provide a squeegee that overcomes the drawbacks of the prior art and has the advantages of good wiping effect, light weight in operation, and no space occupation.
  • the technical solution of the present invention is: a board eraser comprising an outer casing, a brush, a plurality of rollers, a pad, a wiping cloth, a fan and a collecting box, wherein: the outer casing is provided with a a first chamber that is open downward, and a top chamber is provided with a recessed groove and a second chamber, the recess is in communication with the first chamber, and the second chamber is in communication with the recess; the brush is disposed on the first a plurality of rollers are disposed in the spacer; the plurality of rollers are fixed in the first chamber of the outer casing, and the plurality of rollers are exposed outside the outer casing; The wiping cloth is wound around the plurality of rollers so as to be slidable around the outside of the block; the exhaust fan is disposed in the second chamber, and can be driven by a power member to extract air from the slot.
  • the collecting box is disposed on the slot, and the fan in the second chamber can suck the chalk dust
  • the eraser of the present invention comprises a first chamber at the bottom of the outer casing, a brush is disposed at the bottom of the first chamber, a spacer is disposed in the first chamber, and the plurality of rollers are rotatable. Attached to the pad, a wiping cloth is wound around the plurality of rollers so as to be slidable around the outside of the pad, and the inner side of the wiping cloth is in contact with the brush, a collection
  • the box is detachably disposed on the top of the outer casing and communicates with the first chamber.
  • a filter bag is disposed, and a fan is disposed on one side of the collecting box, and the filter bag is interposed.
  • FIG. 1 is an exploded perspective view of the top of the present invention
  • Figure 2 is an exploded perspective view of the bottom of the present invention
  • Figure 3 is a partial view of a combination of components of the present invention.
  • Figure 4 is a perspective view of the present invention.
  • Figure 5 is a sectional view of the combination of the present invention.
  • Figure 6 is a partial cross-sectional view of the present invention.
  • Figure 7 is an exploded view of the use of the cradle of the present invention.
  • the present invention is mainly applied according to the Continental Patent No. ZL03236850.X "Erasing Structure" which the inventor applied for has been improved several times.
  • the structure mainly comprises an outer casing 10, a brush 20, four rollers 40, a spacer 60, a wiping cloth 30, a gasket 70, a suction fan 80 and a collecting box 90, etc., wherein: the outer casing
  • the bottom surface of the first chamber 11 is provided with a through hole 12 and a second chamber 13 .
  • the bottom surface of the first chamber 11 is provided with a through hole 110 and the recess 12 .
  • the two sides of the first chamber 11 are further provided with two sets of opposite fixing holes 15, and two sides of the slot 12 are provided with two ""-shaped and oppositely disposed sliding rails 120.
  • the second chamber 13 is provided with a tuyere 130 communicating with the slot 12, and a guide piece 14 is disposed on the side of the second chamber 13 and a cover 16 is disposed on the top surface of the cover 16 And has a switch 17;
  • the brush 20 is a sheet having a relatively large area, and is disposed on the side of the through hole 110 at the bottom of the first chamber 11, and the brush is in contact with a side of the wiper cloth 30;
  • the four rollers 40 are pivoted in the spacer 60 by a shaft bolt 50 so as to be rotatable in the spacer 60, and the two ends of the shaft bolt 50 passing through the outermost roller 40 are respectively disposed.
  • a slider 500 there is a slider 500, one side of the slider 500 and has a resilient element 51;
  • the spacer 60 is provided with side plates 62 on both sides thereof for the two fixing pins 52 to be fastened to the fixing holes 15 of the first housing 11 of the outer casing 10, and on the spacers 60.
  • Four through holes 61 are provided for the four rollers 40 pivoted thereon to partially protrude to the outside of the outer casing 10, and a sliding groove 63 is provided on the side plates 62 for the slider 500 of the axle pin 50. Sliding, and one side of the chute 63 is available for the other end of the elastic member 51
  • the wiping cloth 30 is wound around the four rollers 40 in a ring shape, and is restrained by the two side plates 62 of the spacer 60 so that the wiping cloth 30 can slide around the outside of the spacer 60. And can be restrained by the two side sheets 62 from being detached from the roller 40;
  • the gasket 70 is made of a soft material and is sleeved on the opening wall edge of the first chamber 11 of the outer casing 10. When the operation of wiping the blackboard is performed, the gasket 70 can avoid the panel. "The edge wears the blackboard;
  • the exhaust fan 80 is disposed in the second chamber 13 and can be driven by the air outlet 130 by a power member 81 (such as a motor or the like), and the power member 81 has four chambers disposed in the second chamber.
  • the battery 82 of 13 provides its power, and the battery 62 is connected to the guide 14 on one side by a charging circuit so that it can be charged by a charging stand A (as shown in FIG. 7);
  • the collecting box 90 is provided with grooves 900 on both sides thereof for slidingly engaging the sliding rail 120 of the recess 12 to be coupled to the outer casing 10, and a collecting chamber is formed in the collecting box 90.
  • the collecting chamber 901 is provided with a through hole 902 at a side opposite to the through hole 110 for communicating with the collecting chamber 901 and the first chamber 11, and the opening 903 of the collecting chamber 901 is opposite to the second chamber 13
  • the air outlet 130 is connected to the air, and a gas permeable filter bag 91 is further disposed in the collection chamber 901.
  • the open end of the filter bag 91 is provided with a fixing portion 910 for fixing to the opening 903 of the collection chamber 901.
  • roller 40 and the shaft bolt 50 are phased, the roller 40 and the shaft bolt 50 are placed in the spacer.
  • the internal time of 60 is as shown in Fig. 3.
  • the wiping cloth 30 can be attached with chalk by pushing the squeegee.
  • One side of the ash slides to the inner side of the first chamber 11 so that it can be brushed by the brush 20 as it passes.
  • the extracting fan 80 passes through the filter bag 91, and the brushed chalk is sucked into the collecting box 90 from the through hole 110 of the outer casing 10, and the chalk dust is
  • the filter bag 91 can be prevented from being sucked into the exhaust fan 80 by the barrier of the filter bag 91, and when the collection box 90 receives an appropriate amount of chalk dust, it can be detached from the outer casing 10. clean.
  • the roller 40 disposed on the side of the pad 60 can push the slider 500 of the pin 50 by the elastic member 51, thereby making it The elastic stretch displacement is maintained, and thus the wiper cloth 30 sleeved on the roller 40 can be properly maintained with a suitable tension to facilitate wiping.
  • the eraser can be placed on a charging stand.
  • the charging stand A can be provided with a switch, and when the switch is opened, the battery 82 in the second chamber 13 of the outer casing 10 can be charged. electric power.
  • the cover 16 can be covered on the second chamber 13 of the outer casing 10.
  • the battery 82 can be replaced with a non-rechargeable type. When the battery 82 is powered, the upper cover can be used. 16 is removed, and the battery 82 in the second chamber 13 is replaced.
  • the outer casing 10 can have a wire through which the wire can be connected to the battery 82 so that the blade of the present invention can be plugged in.
  • the present invention utilizes the sliding of the wiping cloth 30 to achieve the effect of cleaning the chalk ash by the brush 20, and the inner side of the wiping cloth 30 is supported by the spacer 60 to make its contact area with the blackboard. It is a larger plane, so it has a better wiping effect.
  • the chalk ash which is brushed by the brush 20 according to the present invention and the chalk ash which is wiped by the wiper cloth 30 can be immediately sucked into the collection box by the exhaust fan 80, so that a large amount of chalk can be inhaled when the blackboard is wiped off. Gray situation.
  • the draft fan 80 for absorbing chalk dust of the present invention is directly disposed on the eraser, it is lighter in use and does not occupy a space.

Description

板檫 技术领域 本发明涉及一种板檫， 尤指一种具有良好擦拭效果、操作使用轻 便及不占空间等效益的板檫。 背景技术 一般公知的擦拭黑板的粉笔灰的板擦结构， 有如下的几种： 一、 如中国台湾专利申请第 83213896号 "环带型随手本去灰式 黑板擦"所示，其主要为于一擦拭用环形带内侧有一条凸出的传动条， 而各个滚轮中段设有凹槽， 可供该擦拭用环形带的传动条嵌入， 以便 将环形带固定在滚轮上， 可防止擦拭黑板时擦拭面左右滑动， 并可藉 以增加环形带与后滚轮之间的磨擦力，而且当把板擦压在黑板上推动 擦拭用环形带时，亦可藉由该擦拭用环形带及其内侧的传动条带动后 滚轮， 再由后滚轮的左右两端的传动带转动一设于后侧的毛刷滚轮， 并使该毛刷滚轮上的刷毛与该擦拭用环形带形成相反方向的转动 , 以 将沾附于擦拭用环形带上的粉笔灰刷进笔灰盒内，但此专利案的结构 具有下述的缺失：
1、 由于该毛刷滚轮呈凹弧状， 所以该毛刷滚轮与环形带于接触 面仅具一直线的接触面积，因此刷除粉笔灰时需来回滚动数次方可将 擦拭用环形带上的粉笔灰完全清除干净。
2、 因该擦拭用环形带仅靠二滚轮将其支撑， 因此该擦拭用环形 带于擦拭时，便很容易因施力而使两滚轮间未受支撑的部份发生下垂 内凹的情形，而导致于擦拭时该擦拭用环形带的擦拭面积仅只有被滚 轮支撑的部份存在而使擦拭的效果大打折扣。
3、 由于其仅利用板檫上的擦拭用环形带来擦拭黑板， 及藉由毛 刷滚轮来将擦拭用环形带上沾附的粉笔灰刷下至笔灰盒内收集，然而 该擦拭用环形带于擦拭及毛刷滚轮于刷设时，该粉笔灰会因板擦的移 动而飘散于空气中， 部份的的粉笔灰即被使用者吸入身体中， 而危害 到人体的健康。
二、如中国台湾专利申请第 87206860号 "吸尘板擦装置"所示， 其主要在一槽状壳体内藉复数隔体固定一擦拭体，且使该擦拭体与壳 体间保留有适当间距的抽风隔间 ,而另于该壳体一侧设有球形壁以供 套接吸尘器的万向球头， 且再于其上另设有全方位摇控发送器， 然而 该公知专利案的结构于实际使用实施上乃具有下述的缺失：
1、 由于其利用一擦拭体来擦拭粉笔灰， 所以该擦拭体与黑板的 接触面便易因沾满粉笔灰而使其擦拭的效果大幅降低。
2、 因该粉笔灰大部份会沾附在该擦拭体与黑板的接触面上， 而 该接设吸尘器的吸风口则设于槽状壳体的一侧，所以其吸尘的效果并 不佳，除非该吸尘器的吸力相当大否则于擦拭体前侧的粉笔灰即无法 于擦拭时即立该由吸尘器将之吸入。
3、 由于其与吸尘器间以一连接管连接， 所以于使用上该连接管 会增加板擦的重量而造成使用上的不方便，尤其该连接管的设置更是 会千涉到使用者擦拭黑板的动作，且该连接管及吸尘器的结构亦使之 使用时较为占用空间。
三、 本发明人所申请的中国台湾专利案， 即申请号为 91221547 的 "板檫结构改良"， 具有下述的缺失：
1、 于擦拭时主要由擦拭布提供擦拭的功效， 但擦拭布于擦拭时 所沾附的粉笔灰即容易因板擦的移动而再飘散于空气中，粉笔灰即被 使用者吸入身体中， 而危害到人体的健康。
2、 其具有一吸尘器与管体相接合， 吸尘器电源驱动后， 位于擦 拭布上或附近所擦拭过的粉笔灰或灰尘即经由管体吸入至吸尘器内， 但由于其与吸尘器间是以一管体连接，所以于使用上该管体会增加板 擦的重量而造成使用上的不方便，尤其该管体的设置更会干涉到使用 者擦拭黑板的动作。
本发明人有鉴于上述公知的板檫结构所产生的弊端，且藉其多年 相关产品的设计经验， 经长期上努力而开发设计出本发明的板擦。 发明内容 本发明要解决的技术问题是： 提供一种板擦， 其克服了公知技术 的缺陷， 具有擦拭效果良好、 操作使用轻便及不占空间等效益。
本发明的技术解决方案是：一种板擦，其包括一外壳体，一毛刷、 复数滚轮、 一垫块、 一擦拭布、 一抽风扇及一收集盒等构件， 其中： 该外壳体设有一向下开口的第一容室， 而顶面则设有嵌槽及第二容 室， 该嵌槽与第一容室相通， 第二容室与该嵌槽相通； 该毛刷设于该 第一容室中， 并接触于擦拭布的一侧面； 该复数滚轮枢设于垫块中； 该垫块固定于该外壳体的第一容室中，且使复数滚轮凸露于外壳体外 部； 该擦拭布呈圈状绕设于复数滚轮上， 以供可绕着垫块外侧滑移； 该抽风扇设于该第二容室中，且可由一动力件驱动其对嵌槽作抽风的 动作； 该收集盒设于该嵌槽上， 该第二容室中的抽风扇可将第一容室 的粉笔灰吸入收集盒中。
本发明的板擦， 包括一外壳体底部设有一第一容室， 一毛刷设于 该第一容室底部， 一垫块设于该第一容室中， 复数滚轮以可转动的方 式结合于该垫块上， 一擦拭布呈圈状绕设于该复数滚轮上， 而使其可 绕着该垫块外侧滑移， 且该擦拭布的内侧面与该毛刷接触， 一收集盒 以可分离的方式设于该外壳体顶部且与该第一容室相通，于该收集盒 中以设有一过滤袋， 一抽风扇设于该收集盒一侧， 且可隔着该过滤袋 将第一容室的粉笔灰吸入收集盒中； 如此，便可藉由该擦拭布的滑移 而使其经过毛刷时可将沾附于其上的粉笔灰刷下，而刷下的粉笔灰可 经抽风扇吸入收集盒中， 以使其具有擦拭效果良好、减少吸入人体的 粉笔灰、 经抽风扇吸入收集盒中， 以使其具有擦拭效果良好、 减少吸 入人体的粉笔灰、 操作使用轻便及不占空间的效益。 附图说明 图 1为本发明顶部的立体分解图；
图 2为本发明底部的立体分解图；
图 3为本发明的部份元件组合外观图；
图 4为本发明的立体外观图；
图 5为本发明的组合剖面图；
图 6为本发明的局部剖面图；
图 7为本发明的配合充电座使用的分解图。
附图标号说明：
10、 外壳体 11、 第一容室 110、 通孔
12、 嵌槽 120 . 滑轨 13、 第二容室
130、 风口 14、 导片 15、 固定孔
16、 盖体 17、 开关 20、 毛刷
30、 擦拭布 40、 滚轮 50、 轴栓
500、 滑块 51、 弹性元件 52、 固定栓
60、 垫块 61、 槽孔 62、 侧片
63、 滑槽 70、 垫片 80、 抽风扇
81、 动力件 82、 电池 90、 收集盒
900、 槽沟 901 . 收集室 902 穿孔
903、 开口 91、 过滤袋 910、 ■ 固定部
A、 充电座 具体实施方式 本发明主要是根据本发明人所申请的大陆专利案 ZL03236850.X 号 "板擦结构" 经多次改进后再申请的申请案。
请参阅图 1至图 4所示， 为本发明所述板擦的较佳实施例， 其结 构主要包括有一外壳体 10、 一毛刷 20、 四个滚轮 40、 一垫块 60、 一 擦拭布 30、 一垫片 70、 一抽风扇 80及一收集盒 90等构件， 其中： 该外壳体 10， 其底面设有一向下开口的第一 室 11， 而顶面则 设有一嵌槽 12及一第二容室 13 , 该第一容室 11的底部设有一通孔 110与该嵌槽 12相通， 且该第一容室 11的两侧壁上还设有两组相对 的固定孔 15， 该嵌槽 12两侧边上设有两呈 " " 形且相对设置的滑 轨 120, 而该第二容室 13则设有一风口 130与该嵌槽 12相通， 且于 该第二容室 13—侧设有导片 14， 而于其顶面盖设有一盖体 16， 该盖 体 16上并设有一开关 17;
该毛刷 20， 为一具相当面积的片状， 且设于该第一容室 11底部 的通孔 110—侧， 且使该毛刷接触于擦试布 30的一侧面；
该四个滚轮 40， 分别以一轴栓 50将其枢设于垫块 60中， 以使 其可于垫块 60中转动'， 且该穿设最外侧滚轮 40的轴栓 50两端分别 设有一滑块 500， 该滑块 500的一侧并^ J¾有一弹性元件 51;
该垫块 60, 其两侧设有侧片 62供两支固定栓 52穿设而将其固 定于该外壳体 10的第一容室 11的固定孔 15上，且于该垫块 60上并 设有四个贯穿的槽孔 61供枢设于其上的四个滚轮 40局部凸露至外壳 体 10外部，另于该側片 62上设有滑槽 63可供轴栓 50的滑块 500滑 嵌， 且该滑槽 63的一侧边并可供弹性元件 51的另一端顶
该擦试布 30， 呈圈状绕设于该四个滚轮 40上， 且被垫块 60的 两侧片 62限制于其间， 以供该擦试布 30可绕着该垫块 60外侧滑移 并可被该两侧片 62限制其不致由滚轮 40上脱离；
该垫片 70， 为一软性材质所制成， 其套设于外壳体 10的第一容 室 11的开口壁缘上， 使进行擦试黑板的动作时， 该垫片 70可避免板 ^"的边缘磨损黑板；
该抽风扇 80， 设于该第二容室 13中， 且可利用一动力件 81 (如 马达等）驱动其由风口 130处抽风， 而该动力件 81有四颗设于该第 二容室 13中的电池 82提供其电力， 且该电池 62并以充电电路连接 至一侧的导片 14上， 以使其可借由一充电座 A将其充电 （如图 7所 示)；
该收集盒 90， 其两侧设有槽沟 900可供滑嵌于该嵌槽 12的滑轨 120上， 以将其结合于该外壳体 10上， 且于该收集盒 90中形成有一 收集室 901 ,该收集室 901—侧面相对于通孔 110处设有一穿孔 902, 以供连通该收集室 901及第一容室 11， 而该收集室 901 的开口 903 则与该第二容室 13的风口 130连通， 另于该收集室 901中又设有一 可透气的过滤袋 91， 该过滤袋 91的开口端设有一固定部 910供固定 于该收集室 901的开口 903处。
当滚轮 40及轴栓 50相套盒后， 滚轮 40及轴栓 50再置入垫块 60内时即如图 3所示。
请参阅图 4所示， 当利用该擦试布 30擦试黑板而/ ί吏其接触面上 沾附有粉笔灰时， 便可藉由推动该板擦而使该擦试布 30沾附有粉笔 灰的一侧面滑移至第一容室 11内侧面，而使其经过时可被毛刷 20刷 落。
而此时如该开关 17为启动位置时，则该抽风扇 80便会透过该过 滤袋 91而将该刷落的粉笔由外壳体 10的通孔 110吸入收集盒 90中， 而且该粉笔灰并可藉由该过滤袋 91的阻隔而使其不会被吸入抽风扇 80之中， 而当该收集盒 90集收到适当量的粉笔灰时， 便可将其由外 壳体 10上拆离清洁。
请参阅图 5、 6所示， 当该板擦于推动时， 该设于垫块 60—侧的 滚轮 40便可借由弹性元件 51顶推该轴栓 50的滑块 500的作用， 而 使其保持有一弹性伸缩位移量， 并因此而使套设于该滚轮 40上的擦 试布 30可借其常保有一适当的张力以利于擦试。
请参阅图 7所示， 板擦整体可置于一充电座 Α上， 充电座 A可 设有开关，当开关打开后即可为该外壳体 10的第二容室 13中的电池 82提供充电的电力。
本发明的另一实施例，该盖体 16可盖合于外壳体 10的第二容室 13上， 而电池 82可改为非充电式， 当电池 82提供电力使用完毕后， 可将上盖 16取下， 更换第二容室 13中的电池 82。
本发明另一实施方式， 外壳体 10可具有一电线， 电线可透过电 路板后与电池 82相连， 使本发明的板擦亦可插电使用。
由于本发明具有上述特殊的结构，所以于实际使用时具有下列的 诸多优点：
1、 由于本发明利用擦试布 30的滑动而达到利用毛刷 20清洁粉 笔灰的作用， 而且该擦试布 30的内侧并有垫块 60将其支撑， 而使其 '与黑板的接触面积为一较大的平面， 所以其具有较佳的擦试效果。
2、 因本发明由毛刷 20刷落的粉笔灰， 及擦试布 30擦试的粉笔 灰可即时借由抽风扇 80将其吸入收集盒中， 所以可大量降低擦黑板 时吸入过多粉笔灰的情形。
3、 由于本发明用以吸收粉笔灰的抽风扇 80直接设于该板擦上， 所以使用上较为轻便， 而且亦不占用空间。
虽然本发明已以具体实施例揭示， 但其并非用以限定本发明， 任 何本领域的技术人员，在不脱离本发明的构思和范围的前提下或依本 发明专利保护范围所作的等同变化与修饰， 皆应属本专利涵盖的范 畴。

Claims

权 利 要 求
1、 一种板擦， 其特征在于， 包括有：
一外壳体， 是具有一向下开口的第一容室， 而外壳体顶面则设有 第二容室， 该第二容室是与第一容室相连通；
一毛刷， 是设于该第一容室中， 且邻近第一容室与第二容室相通 的位置；
一垫块， 是固定于该外壳体的第一容室中， 该垫块中并排的枢设 有二个以上的滚轮， 且使该等滚轮略凸露于外壳体开口外部， 然后以 擦试布圈状绕设于滚轮上， 使擦试布可绕着垫块外侧滑移， 并令擦试 布顶面与毛刷接触；
一抽风扇，是设于该第二容室中， 且由一动力件驱动其对一容室 作抽风的动作；
一收集盒， 是设于第一容室和第二容室之间， 并使第二容室中的 抽风扇可将第一容室的粉笔灰吸入收集盒中。
2、 如权利要求 1所述的板擦， 其特征在于： 外壳体顶面在第二 容室和第一容室间设有嵌槽， 此嵌槽是于外壳体两侧边设有两滑轨， 而该收集盒的两侧亦设有两槽沟可供滑嵌于该两滑轨上，使该收集盒 能组合于外壳体的嵌槽，该收集盒中设有一透气的过滤袋供将其内部 区隔成两部分， 其中的一部分是与该第一容室相通， 而另一部分则与 该第二容室相通，以使该第二容室中的抽风扇可透过该过滤袋而将第 一容室的粉笔灰吸入收集盒中。
3、 如权利要求 1所述的板擦， 其特征在于： 第二容室上方是盖 设有一盖体， 而该盖体上设有一启动该动力件的开关， 而该第二容室 中设有电池以提供动力件电力。
4、 如权利要求 3所述的板擦， 其特征在于： 外壳体一侧是设有 导片， 该导片是透过一充电电路连接至该电池， 以供其可利用一充电 座^1电池充电。
5、 如权利要求 1所述的板擦， 其特征在于： 垫块的两侧各设有 一侧片供轴栓枢设， 于该侧片的一端部是设有一滑槽， 而该枢设于垫 块一侧的轴栓两端是各设有一滑块滑嵌于该滑槽中，且于该滑块与滑 槽的一侧边间并设有一弹性元件供将其顶抵。
6、 如权利要求 1所述的板擦， 其特征在于： 第一容室的开口端 缘上是套设有一垫片， 该垫片是由一软质的材料所制成。
PCT/CN2005/001282 2004-09-03 2005-08-18 Dispositif de nettoyage WO2006024219A1 (fr)

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CN107053913A (zh) * 2017-05-04 2017-08-18 聊城职业技术学院 一种教学用智能电动板擦
CN111993821A (zh) * 2019-11-10 2020-11-27 孟庆龙 一种去皮屑的圆形橡皮擦专用包裹套及使用方法

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