CN104908495A - Long arm-type electric blackboard eraser with function of absorbing chalk dust - Google Patents

Long arm-type electric blackboard eraser with function of absorbing chalk dust Download PDF

Info

Publication number
CN104908495A
CN104908495A CN201510372466.9A CN201510372466A CN104908495A CN 104908495 A CN104908495 A CN 104908495A CN 201510372466 A CN201510372466 A CN 201510372466A CN 104908495 A CN104908495 A CN 104908495A
Authority
CN
China
Prior art keywords
long
blackboard eraser
cylindrical
blackboard
special
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201510372466.9A
Other languages
Chinese (zh)
Inventor
王庭栋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuncheng University
Original Assignee
Yuncheng University
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 Yuncheng University filed Critical Yuncheng University
Priority to CN201510372466.9A priority Critical patent/CN104908495A/en
Publication of CN104908495A publication Critical patent/CN104908495A/en
Pending legal-status Critical Current

Links

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 discloses a long arm-type electric blackboard eraser with a function of absorbing chalk dust. The long arm-type electric blackboard eraser is composed of a cylindrical hairbrush (2), a special-shaped funnel (3), micro motors (1), a micro dust-absorbing motor (4), cylindrical long-arm handles (5) (8), a power switch (6) and a charging battery box (10). When a blackboard is cleaned, the cylindrical long-arm handles (5) (8) are held by a hand and the power switch (6) is turned on. Then, a special-shaped funnel opening is enabled to run parallel to a blackboard surface and closely attached to the blackboard surface. The cylindrical hairbrush (2) starts wiping chalk marks on the blackboard. When a chalk powder storage tank (8) is filled with dust, the power switch (6) is turned off and a screw opening (7) is unscrewed for pouring powder. Then, the screw opening (7) is screwed for continual use. When the blackboard is not cleaned, a battery is charged by plugging in an externally-connected power supply (11).

Description

A kind of have the long-arm electric blackboard eraser absorbing chalk dust function
Technical field: the present invention relates to a kind of electric blackboard eraser, especially a kind of long-arm electric blackboard eraser with absorption chalk dust function driven by rechargeable battery.
Background technology: at present, known, no matter be primary school, university of middle school, blackboard is still teacher and implements to impart knowledge to students and the main carriers of impart knowledge, though between urban and rural areas, between school at all levels, the class difference of blackboard is larger.But no matter be lifting blackboard or fixed blackboard, there is not the change of essence in " blackboard eraser " of its wiping chalk all the time." rod-type " that the most frequently used " blackboard eraser " has wool felt rug to do; Have " cloth bag sponge type " etc.They not only when erasing the board efficiency lower, and chalk dust of also kicking up in the process erased the board, causes the subenvironment of dais periphery by chalk dust severe contamination.The long-term teacher worked in this environment is objectively sucking chalk dust unconsciously, and this seriously affects the healthy of teacher.Therefore, the occupational disease of the disease of the respiratory system such as polyp of vocal cord, lung's bubble almost Cheng Liao teacher.This should be all the misfortune that " blackboard eraser " is invited.
Moreover, for primary school, because the hand of pupil and the hand of height and teacher and height great disparity are comparatively large, so when student on duty erases the board, not only little hand is difficult to blackboard eraser to be firmly grasped, and is often also difficult to the word clipping eminence edge.Existing thus " blackboard eraser " also exists many unsatisfactory drawbacks.
Goal of the invention: the object of this invention is to provide a kind of that driven by rechargeable battery, that there is absorption chalk dust function long-arm electric blackboard eraser.The long-armed length adding upper limbs, the arbitrary orientation of blackboard can be arrived, dust exhaust apparatus can make it be siphoned away by chalk dust while erasing the board, this not only makes the light, efficient of change that erase the board, and considerably reduce the harm of chalk dust to the person, further improve around dais by subenvironment that chalk dust pollutes simultaneously.
Technical scheme: for reaching above-mentioned purpose, the present invention adopts transparent organic plastics to be raw material, by the one-shot forming of integral molded plastic mould pressing process.By the principle of general ergonomics, The present invention gives design specification and the size ideal parameters of conventional application function, but be not absolute value.The desired quantity at shaping rear each position is as follows: long-armed handle overall length is: 600 millimeters, and diameter is: 50 millimeters; The upper end of handle is a special-shaped funnel, and it becomes 135 degree of angles with handle, in the opening part of funnel along between length be: 204 millimeters, be widely: 54 millimeters; The cylindrical hairbrush that erases the board that diameter is 50 millimeters, length is 200 millimeters is installed herein, hairbrush exposes funnel openings along 10 millimeters, the part of substantial exposure blackboard, two of its axle respectively with two micromachine spindle noses with the grafting of hexagon joinery and its construction mode.Two micromachines are arranged on the both sides of funnel respectively, are fixed with it by three screws, detachably get off facilitate the cleaning of taking-up hairbrush or change as required; The upper end of cylindrical handle, is built-inly provided with a miniature dust absorption motor, and the top spindle nose of head is provided with small fan blade, is rotated counterclockwise and produces suction dust suction during energising; The lower end of cylindrical long-armed handle is designed with the active section of 100 millimeters long, and both connect in the mode of silk mouth, dismantle by screw-fashion, and it is the storage vault of chalk powder, when seeing that chalk powder stores full soon, just can turn on and outwelling; Above chalk foam storage vault joint silk mouth, 60 millimeters of places are provided with a power switch, and it is responsible for the Simultaneous Switching of three micromachines; On the back side of funnel towards direction, sky, a charging battery cartridge is installed, above box, is designed with openable lid, facilitate battery to load or take out, box downward to side on be designed with external power supply jack, box is designed with charging indicator light device towards the seat, upper left in direction, sky.Battery case is arranged on herein, also having a function, having the effect of counterweight exactly when erasing the board, and the hairbrush that makes to erase the board runs when rotation erases the board more steady and is unlikely to because of too light generation bullet spring.
Beneficial effect: after adopting such structure, make the quick, efficient of change that erase the board, long-armed type handle adds the length of upper limbs, the arbitrary orientation of blackboard can be clipped, not only solve the greatly different problem being difficult to clip eminence position of height because of the person of erasing the board, and dust exhaust apparatus also solves chalk powder in the process of erasing the board and flies upward the problem be detrimental to health everywhere, further improve around dais by subenvironment that chalk dust pollutes simultaneously.Again because chalk is made up of physics gimmick, chalk powder runs up to certain amount, also can give producer and recycle, and is provided with stealthy green, environment protecting.When the cylindrical hairbrush that erases the board needs cleaning or changes, only need the micromachine unloading hairbrush two with screwdriver to take out hairbrush, structure is simple.
Accompanying drawing illustrates: below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is a three-dimensional effect diagram of the present invention
Fig. 2 is a side sectional view of the present invention
Fig. 3 is the three-dimensional effect diagram of another angle of the present invention
Fig. 1, Fig. 2, the long-arm electric blackboard eraser with absorption chalk dust function shown in Fig. 3, adopt transparent plastic material to be raw material by funnel 3 and long-armed type handle 5, make shaping by disposable injection mould compression technology, chalk dust storage vault 8 is also like this, both connect into a long-armed handle of entirety by silk mouth 7, constitute a plastics empty capsid, maintain a certain distance to make people and blackboard, again to make chalk dust can successfully be inhaled in storage vault 8 simultaneously, so make the special-shaped funnel 3 of its upper end design with the angled arrangement of long-armed handle 5 and 8 each other in 135 degree.The both sides, top of funnel 3 are separately installed with micromachine 1, and be provided with the cylindrical hairbrush 2 that erases the board in the mouth of funnel, two of two micromachine spindle noses and brush axle is designed to hexagon joinery and its construction respectively, make rotation become each other after grafting steady and firm.Miniature dust absorption motor 4 is installed the upper end of long-armed handle 5 is built-in, the spindle nose of its upper end is provided with fan blade, produces suction dust suction when being rotated counterclockwise and chalk dust is inhaled and delivered in dust storage vault 8 by the throwing power acting in conjunction produced with the cylindrical hairbrush 2 that erases the board turned clockwise.Funnel is provided with battery case 10 towards old name for the Arabian countries in the Middle East's one side upwards, the side, below of box is designed with external power supply jack 11, seat, lid upper left is designed with charging indicator light 12 device, during charging, the plug of charger is inserted in external power supply jack 11 and can realize charging, when indicator lamp 12 is green by red stain, illustrate that electricity has filled full.Above silk mouth 7, be designed with power switch 6, it is responsible for the Simultaneous Switching of three micromachines.Drive two micromachines 1 of the hairbrush that erases the board and miniature dust absorption motor 4 to operate when opening switch simultaneously, can start to erase the board.
Detailed description of the invention: during use, hold the chalk dust storage vault 8 of long-armed handle 5 and bottom, then switch 6 is opened, again bell mouth is placed on blackboard in the mode being parallel to blackboard surface, gently do push pull maneuver, namely the cylindrical hairbrush 2 that erases the board starts to erase the board, and long-armed handle 5 and 8 increases the length of upper limbs, can clip the arbitrary orientation of blackboard.When seeing that through transparent plastic chalk powder is expired soon in storage vault 8, closing swap switch, storage vault 8 is screwed from long-armed handle 5, continue again after outwelling chalk powder to use.When not erasing the board, charge in time, during to ensure use, electricity is abundant.
Design of the present invention is the design of its construction and device, be not limited to the minor variations of material, shape and size, therefore, though be use which kind of encapsulant to make or specification is done more either large or small, as long as its construction and device is identical, all belong to scope of the present invention.

Claims (5)

1. one kind has the long-arm electric blackboard eraser absorbing chalk dust function, be made up of cylindrical brush, special-shaped funnel and cylindrical long-armed handle three parts, it is characterized in that: cylindrical brush (2) is arranged on the position of special-shaped funnel (3) mouth, abnormity funnel (3) becomes 135 degree of angled arrangement to design with cylindrical long-armed handle (5), and chalk powder storage vault (8) connects into a long-armed whole handle by screw thread (7) and handle (5).
2. according to claim 1 have the long-arm electric blackboard eraser absorbing chalk dust function, it is characterized in that: axle two of cylindrical brush (2) is with the grafting of hexagon joinery and its construction with two spindle noses of micromachine (1) respectively, cylindrical brush (2) be arranged on abnormity lural in, its hairbrush Shen goes out 10 millimeters, lural plane, two micromachines (1) are arranged on the both sides of special-shaped funnel respectively, fixed by screw, when changing or clean cylindrical brush (2), unload motor and just can take out.
3. according to claim 1 have the long-arm electric blackboard eraser absorbing chalk dust function, it is characterized in that: in the upper end of cylindrical long-armed handle (5), built-in installation miniature dust absorption motor (4), its upper end spindle nose is provided with small fan blade, when being rotated counterclockwise, produces suction dust suction.
4. according to claim 1 have the long-arm electric blackboard eraser absorbing chalk dust function, it is characterized in that: in the top of chalk powder storage vault (8) with long-armed handle (5) junction screw thread (7), be provided with power switch (6), it is responsible for the Simultaneous Switching of three micromachines.
5. according to claim 1 have the long-arm electric blackboard eraser absorbing chalk dust function, it is characterized in that: at special-shaped funnel (3) back of the body towards in the one side in sky, charging battery cartridge (10) is installed, after loading onto battery, it is not only responsible for providing electric energy to three micromachines, but also objectively special-shaped funnel (3) serving to the effect of counterweight, during to make to erase the board, abnormity funnel (3) is in operation more steady and not because light generation bullet jumps.
CN201510372466.9A 2015-06-23 2015-06-23 Long arm-type electric blackboard eraser with function of absorbing chalk dust Pending CN104908495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510372466.9A CN104908495A (en) 2015-06-23 2015-06-23 Long arm-type electric blackboard eraser with function of absorbing chalk dust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510372466.9A CN104908495A (en) 2015-06-23 2015-06-23 Long arm-type electric blackboard eraser with function of absorbing chalk dust

Publications (1)

Publication Number Publication Date
CN104908495A true CN104908495A (en) 2015-09-16

Family

ID=54078098

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510372466.9A Pending CN104908495A (en) 2015-06-23 2015-06-23 Long arm-type electric blackboard eraser with function of absorbing chalk dust

Country Status (1)

Country Link
CN (1) CN104908495A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106379091A (en) * 2016-09-12 2017-02-08 芜湖能盟信息技术有限公司 Blackboard eraser structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2677193Y (en) * 2004-01-09 2005-02-09 张萌 Eraser
CN201124696Y (en) * 2007-12-10 2008-10-01 代明月 Convenient telescopic blackboard eraser
CN201249614Y (en) * 2008-06-12 2009-06-03 张语珊 Blackboard eraser
CN201712372U (en) * 2010-07-06 2011-01-19 刘润生 Dustless blackboard brush
CN102485509A (en) * 2010-12-05 2012-06-06 王志乾 Semiautomatic dust absorption blackboard eraser device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2677193Y (en) * 2004-01-09 2005-02-09 张萌 Eraser
CN201124696Y (en) * 2007-12-10 2008-10-01 代明月 Convenient telescopic blackboard eraser
CN201249614Y (en) * 2008-06-12 2009-06-03 张语珊 Blackboard eraser
CN201712372U (en) * 2010-07-06 2011-01-19 刘润生 Dustless blackboard brush
CN102485509A (en) * 2010-12-05 2012-06-06 王志乾 Semiautomatic dust absorption blackboard eraser device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106379091A (en) * 2016-09-12 2017-02-08 芜湖能盟信息技术有限公司 Blackboard eraser structure

Similar Documents

Publication Publication Date Title
CN104908495A (en) Long arm-type electric blackboard eraser with function of absorbing chalk dust
CN204296314U (en) Eraser with support bar
CN206623586U (en) A kind of novel blackboard eraser
CN105459699A (en) Convenient-to-dismount dustproof blackboard eraser
CN203805588U (en) Dust-proof blackboard eraser
CN204222498U (en) A kind of dust absorption blackboard eraser
CN206968255U (en) A kind of automatic-cleaning backboard sassafras
CN201257435Y (en) Blackboard eraser cleaning device
KR20100123571A (en) The device of ink-refill for a mark-pen of the white board
CN203957657U (en) The blackboard eraser with electric dust absorption function
CN201456824U (en) Electric dust-suction blackboard eraser
CN104149528A (en) Electric dust collection blackboard eraser
CN205997607U (en) A kind of ash-collecting blackboard eraser
CN204296313U (en) Inhale grey chalkboard eraser
CN204321959U (en) A kind of repairing dedicated screwdriver that has a power failure
CN104440732B (en) One kind, which has a power failure, rushes to repair dedicated screwdriver
CN209034943U (en) A kind of removable parting blackboard eraser chalk dust removing electric device
CN210363165U (en) Paint box for art painting teaching
CN203780164U (en) Electric dust-collecting blackboard eraser
CN205736545U (en) A kind of automatic blackboard eraser
CN202944101U (en) Dust absorption type blackboard eraser
CN208530105U (en) The Electrostatic Absorption chalkboard eraser of chargeable automatic walk cloth
CN207837065U (en) A kind of Electric brush for a variety of dish washings
CN205185330U (en) Portable photocuring 3D printing device's storage mechanism
CN204712745U (en) A kind of novel blackboard eraser

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150916