CN106379090A - Blackboard eraser - Google Patents

Blackboard eraser Download PDF

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Publication number
CN106379090A
CN106379090A CN201610815372.9A CN201610815372A CN106379090A CN 106379090 A CN106379090 A CN 106379090A CN 201610815372 A CN201610815372 A CN 201610815372A CN 106379090 A CN106379090 A CN 106379090A
Authority
CN
China
Prior art keywords
blackboard eraser
collector
handle
hole
blackboard
Prior art date
Application number
CN201610815372.9A
Other languages
Chinese (zh)
Inventor
汪超
Original Assignee
芜湖能盟信息技术有限公司
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 芜湖能盟信息技术有限公司 filed Critical 芜湖能盟信息技术有限公司
Priority to CN201610815372.9A priority Critical patent/CN106379090A/en
Publication of CN106379090A publication Critical patent/CN106379090A/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
    • 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
    • B43L21/04Wiper holders
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells

Abstract

The invention discloses a blackboard eraser. The blackboard eraser comprises a first blackboard eraser and a handle; the first blackboard eraser comprises a blackboard eraser body and brush parts; the first blackboard eraser body communicates with a cavity in the handle; the brush parts and through holes in the first blackboard eraser body are formed alternatively; a collector, a draft fan and a fan motor are arranged in the cavity of the handle; and in the working direction of the draft fan, produced dust flows to the collector via the through holes and the cavity of the first blackboard eraser body. With the blackboard eraser, the dust problem is well solved, high-position erasing and low-position erasing are facilitated by the aid of the structure of the handle, the blackboard eraser is applicable to erasing of different areas, the dust amount is measured by a counterweight structure, and the method is convenient and simple.

Description

A kind of blackboard eraser
Technical field
The invention belongs to teaching equipment technical field is and in particular to a kind of blackboard eraser.
Background technology
Blackboard sets as a kind of requisite at this stage teaching, has irreplaceable effect in educational work, No matter but traditional blackboard is chalk or coloured art pen, being required for wiping manually, bothersome laborious, and blackboard Eminence needs feet, and lower needs to bend over, erasing inconvenience.And, its length cannot be adjusted, and the area of erasing is fixed every time, In the case that whole blackboard panel all writes full word, when being considered to be worth doing using the blackboard eraser erasing chalk of prior art, due to disposable The limited area of erasing, needs erasing back and forth, more bothers;The blackboard eraser of prior art lacks hand-held mechanism, blacks During plate, chalk bits directly fall on hand, bring inconvenience.
Content of the invention
According to above the deficiencies in the prior art, the technical problem to be solved is to propose a kind of blackboard eraser, passes through Handheld tool is combined with negative pressure system, solves the problems, such as dust from flying.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:A kind of blackboard eraser, including the first blackboard eraser and Handle, the first blackboard eraser includes blackboard eraser body and hairbrush portion, and described first blackboard eraser body connects with the cavity of handle inner, hairbrush portion Through hole arranged for interval with the first blackboard eraser body, is provided with collector, air-introduced machine and blower motor, draws in described handle cavity The operative orientation of blower fan is to make the dust via through holes of generation, the first blackboard eraser Body Lumen flow to collector.
Described collector is provided with multiple through holes near one end of scrubbing brush body.Described air-introduced machine passes through to connect airduct and collection Device inner chamber connects, and connects airduct and is provided with the honeycombed deashing grid filtering gas.Described blackboard eraser body is provided with solar energy Plate, solar panels connect battery through solar energy conversion module, and battery fan motor is powered.Described blackboard eraser also includes the second plate Wipe, described second blackboard eraser is hinged on the first blackboard eraser lateral edges, can be fixed on the first blackboard eraser back side, or with the first blackboard eraser side by side, Described second blackboard eraser side wall is provided with the tubulose dust port of projection, and the first blackboard eraser correspondence position is provided with through hole, and through hole is provided with baffle plate. Described first blackboard eraser body is provided with change blackboard eraser position of centre of gravity to weigh the counter weight construction of dust weight in collector.Described First blackboard eraser is provided with chalk holder, and described chalk holder is the fixture with multiple parallel holes.Described blackboard eraser also wraps Include the flexible fasteners making chalk and holder parallel hole clamping, centered on described securing member, be provided with the pyramid type structure of through hole.
Present invention has the advantages that:Blackboard eraser of the present invention solves dust problem well, handle arrangement facilitate eminence and Lower is wiped, and is suitable for the erasing of different area, weighs Dust Capacity using counter weight construction, method is convenient and simple.
Brief description
Below the mark of the content expressed by this specification accompanying drawing and in figure is briefly described:
Fig. 1 is the structure chart of the blackboard eraser of the specific embodiment of the present invention.
Fig. 2 is the fastener constructions figure of the specific embodiment of the present invention.
Fig. 3 is the handle profile figure of the specific embodiment of the present invention.
Fig. 4 is the blackboard eraser folded state diagram of the specific embodiment of the present invention.
Wherein, 1 handle, 2 first blackboard erasers, 3 second blackboard erasers, 4 counterweights, 5 solar panels, 6 holders, 7 securing members, 8 collections Device, 9 separators, 10 blower motors, 11 air-introduced machines, 12 connection airducts, 13 blast pipes, dust port.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, for example involved each component of the specific embodiment of the present invention Shape, construction, the mutual alignment between each several part and annexation, the effect of each several part and operation principle, manufacturing process and Operate with method etc., is described in further detail, to help those skilled in the art to the inventive concept of the present invention, technology Scheme has more complete, accurate and deep understanding.
As Figure 1-4, be the blackboard eraser of the present invention structure chart, the blackboard eraser of the present invention include the first blackboard eraser, second Blackboard eraser and handle, the first blackboard eraser and the second blackboard eraser glued joint, and the first blackboard eraser is fixedly connected with handle, in small area erasing blackboard writing When, only using the first blackboard eraser, if large area erasing blackboard writing, so that the second blackboard eraser is turned, increase blackboard eraser area, no During use, the second blackboard eraser is folded in the back side of the first blackboard eraser, and the position of corresponding handle is provided with engaging groove, the first in order to Aspect fixes the second blackboard eraser, and it two is to be adapted so as to just be folded in the back side of the first blackboard eraser with the shape of handle.As Fig. 4, For folded state diagram, the first blackboard eraser and the adjacent side of the second blackboard eraser are provided with corresponding dust port, and the second blackboard eraser is provided with Tubular lobes aperture, the first blackboard eraser correspondence position is provided with through hole, and through hole arranges baffle plate, and the second blackboard eraser is opened up side by side with the first blackboard eraser When opening, the tubular lobes aperture on the second blackboard eraser passes through corresponding aperture on the first blackboard eraser.
First blackboard eraser and the second blackboard eraser all include blackboard eraser body and hairbrush portion, and hairbrush portion is fixed on the bottom surface of blackboard eraser body, Described blackboard eraser body interior is cavity structure, and the face base plate being connected with hairbrush portion is provided with multiple through holes, through hole and hairbrush portion Hairbrush be interval setting.
As shown in figure 3, being the profile of handle, handle casing is fixedly connected with the first blackboard eraser, and the built-in collector of handle is received It is cavity body structure inside storage, collector is cylindrical tubular shape, is provided near one end of the first blackboard eraser and enters for dust Multiple small structures, the other end be provided with cleaning dust outlet.The end of handle is provided with and can be opened and closed outlet accordingly, in reality During border uses, the outlet of handle end is opened, take out collector, open the outlet of collector, you can cleaning dust.
Be provided with separator between collector and handle inwall, separator first plays a supportive role, second by intracavity of handle with The inner chamber of blackboard eraser body separates.Collector be additionally provided with blower motor, air-introduced machine in the cavity of handle inwall, be connected airduct And blast pipe, air-introduced machine is coupled with blower motor, and is supported by blower motor, and blower motor is then bearing in the inwall of handle, draws Blower fan is centrifugal fan, and the center air port of air-introduced machine is air-vent, and tangential air port is exhaust outlet, connects airduct and is bearing in air inducing On the center air-vent of machine, blast pipe one end connects exhaust outlet, and the other end connects handle outer wall.The other end connecting airduct connects To collector inner chamber, connect in airduct and be provided with honeycombed deashing grid.During work, blower motor drives air-introduced machine rotation Turn, produce negative-pressure air-flow, this air-flow enters the inner chamber of collector inner chamber and scrubbing brush body via induced duct, produce uniform absorption Effect and filter wind, by the flying dust kicked up in blackboard eraser wiping process in the presence of the air-flow that air-introduced machine produces through scrubbing brush body Enter in collector.Through the filtration of honeycombed deashing grid, clean air-flow is discharged through exhaust outlet.
As shown in figure 1, being provided with solar panels at the back side of blackboard eraser, solar electric power supply system includes solar energy conversion module And battery, not used time after class, blackboard eraser is placed on the windowsill of classroom, solar energy is changed by solar panel by modular converter For electrical power storage in the battery, blower motor is directly powered using 7.2V dc source.
Dust collection is accomplished by clearing up to certain degree, can open the collection within opening taking-up of handle free end Device, checks the collecting amount of dust;Handle and collector can also be set to transparent configuration in whole or in part, can be intuitively See the Dust Capacity of inside, but not attractive in appearance;Or internal collector is set to transparent material, setting length on handle The opening of bar shaped, is provided with dodge gate at opening;The present invention provides another kind of device judging internal Dust Capacity, on scrubbing brush body Setting counterweight, changes the center of whole blackboard eraser by counterweight, if the dust of handle inner is excessive, central transference is to plate The support bottom surface scope of brush body, then can tilt, therefore, by arranging different counterweights it is possible to dust weight within judging Amount.
The present invention provide blackboard eraser also provide plurality of parallel lines draw function, teacher at school when it is often necessary to draw Parallel lines, such as Curriculum Standards for English are accomplished by drawing four line lattice, and the present invention is provided with chalk holder, powder on the first blackboard eraser body Pen clip gripping member is the fixture with one group of parallel hole, in order that chalk is not easily broken and engages closely, devises as shown in Figure 2 Securing member, securing member is flexible material, is pyramid type structure, the middle part of circular cone is provided with through hole.
Above in conjunction with accompanying drawing, the present invention is exemplarily described it is clear that the present invention implements is not subject to aforesaid way Restriction, as long as employing the improvement of various unsubstantialities that method of the present invention design and technical scheme are carried out, or without changing Enter and the design of the present invention and technical scheme are directly applied to other occasions, all within protection scope of the present invention.This Bright protection domain should be defined by the protection domain that claims are limited.

Claims (8)

1. it is characterised in that including the first blackboard eraser and handle, the first blackboard eraser includes blackboard eraser body and hairbrush portion to a kind of blackboard eraser, Described first blackboard eraser body connects with the cavity of handle inner, the through hole arranged for interval in hairbrush portion and the first blackboard eraser body, institute State and in handle cavity, be provided with collector, air-introduced machine and blower motor, the operative orientation of air-introduced machine is the dust making generation through logical Hole, the first blackboard eraser Body Lumen flow to collector.
2. blackboard eraser according to claim 1 it is characterised in that described collector be provided near one end of scrubbing brush body many Individual through hole.
3. blackboard eraser according to claim 1 is it is characterised in that described air-introduced machine passes through to connect airduct and collector inner chamber Connect, connect airduct and be provided with the honeycombed deashing grid filtering gas.
4. blackboard eraser according to claim 1 is it is characterised in that described blackboard eraser body is provided with solar panels, solar energy Plate connects battery through solar energy conversion module, and battery fan motor is powered.
5. blackboard eraser according to claim 1 is it is characterised in that described blackboard eraser also includes the second blackboard eraser, and described second Blackboard eraser is hinged on the first blackboard eraser lateral edges, can be fixed on the first blackboard eraser back side, or with the first blackboard eraser side by side, described second blackboard eraser Side wall is provided with the tubulose dust port of projection, and the first blackboard eraser correspondence position is provided with through hole, and through hole is provided with baffle plate.
6. blackboard eraser according to claim 1 is it is characterised in that described first blackboard eraser body is provided with change blackboard eraser weight Heart position is to weigh the counter weight construction of dust weight in collector.
7. blackboard eraser according to claim 1 is it is characterised in that described first blackboard eraser is provided with chalk holder, described Chalk holder is the fixture with multiple parallel holes.
8. blackboard eraser according to claim 7 is it is characterised in that described blackboard eraser also includes making chalk parallel with holder The flexible fasteners of hole clamping, are provided with the pyramid type structure of through hole centered on described securing member.
CN201610815372.9A 2016-09-12 2016-09-12 Blackboard eraser CN106379090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610815372.9A CN106379090A (en) 2016-09-12 2016-09-12 Blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610815372.9A CN106379090A (en) 2016-09-12 2016-09-12 Blackboard eraser

Publications (1)

Publication Number Publication Date
CN106379090A true CN106379090A (en) 2017-02-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108099458A (en) * 2017-12-21 2018-06-01 石春炎 A kind of self-action blackboard eraser for environmental protection

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036428A (en) * 1962-07-02 1966-07-20 William Lomax An improvement in or relating to blackboard cleaning or dusting equipment
CN201693939U (en) * 2010-04-07 2011-01-05 邱禧荷 Electric telescopic dust-free chalk eraser
CN203888483U (en) * 2014-06-05 2014-10-22 山西大学 Folding blackboard eraser
CN203902079U (en) * 2014-07-02 2014-10-29 黑龙江职业学院 Chalk wiper
CN204037181U (en) * 2014-06-24 2014-12-24 太原科技大学 A kind of Remote Control Automaticization blackboard eraser of solar energy auxiliary power supply
CN205255833U (en) * 2015-12-29 2016-05-25 高杨 Blackboard for english teaching

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1036428A (en) * 1962-07-02 1966-07-20 William Lomax An improvement in or relating to blackboard cleaning or dusting equipment
CN201693939U (en) * 2010-04-07 2011-01-05 邱禧荷 Electric telescopic dust-free chalk eraser
CN203888483U (en) * 2014-06-05 2014-10-22 山西大学 Folding blackboard eraser
CN204037181U (en) * 2014-06-24 2014-12-24 太原科技大学 A kind of Remote Control Automaticization blackboard eraser of solar energy auxiliary power supply
CN203902079U (en) * 2014-07-02 2014-10-29 黑龙江职业学院 Chalk wiper
CN205255833U (en) * 2015-12-29 2016-05-25 高杨 Blackboard for english teaching

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108099458A (en) * 2017-12-21 2018-06-01 石春炎 A kind of self-action blackboard eraser for environmental protection

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Application publication date: 20170208