CN106114019A - A kind of blackboard brush and the method for erasing blackboard thereof - Google Patents
A kind of blackboard brush and the method for erasing blackboard thereof Download PDFInfo
- Publication number
- CN106114019A CN106114019A CN201610597911.6A CN201610597911A CN106114019A CN 106114019 A CN106114019 A CN 106114019A CN 201610597911 A CN201610597911 A CN 201610597911A CN 106114019 A CN106114019 A CN 106114019A
- Authority
- CN
- China
- Prior art keywords
- roller
- brush
- blackboard
- trundle
- little axle
- 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
Links
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
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
A kind of blackboard brush and the method for erasing blackboard thereof, including two longitudinally mounted cylindrical roller, in the middle of two cylindrical roller, movable being arranged on a little axle of plate washer that one piece of small iron plate is made, plate washer can swing up and down on the both sides of little axle, decontrol a roller, block another roller simultaneously, roller side is provided with brush, brush and roller contact, outside at two rollers, against roller, trundle is installed, make a roller rotate another one roller when erasing blackboard by stop mechanism not rotate, the roller not rotated and blackboard friction are by chalk writing wiped clean, and the roller rotated and brush friction, chalk dust on this roller is cleaned and totally takes in Storage Box；The present invention is by built-in for chalk dust casing and with low cost, and volume is little, simple to operate, is practically applicable to the teaching occasions of vast school.
Description
Technical field
The invention belongs to classroom teaching aid class engineering goods, a kind of blackboard brush and the method for erasing blackboard thereof.
Background technology
The a lot of people engaged in educational work for many years now are suffering from a kind of occupation disease---" respiratory tract disease ".That is because
They are chalk will to be used to write and use blackboard brush erasing blackboard in work, and normal blackboard brush erasing blackboard can make thick air
Dust, educator's these dusts of suction the most month after month will suffer from this disease naturally.
From investigation, had can solve the problem that this defective product is as follows: 1, use electronic display
Curtain replaces blackboard；2, high-tech electric eraser is used；3, projection device is used to replace blackboard.
But above several prods is except all occurring seldom in projector external market, let alone universal.And project
Instrument is also to cooperate with what blackboard used.Because above several prods all has a common shortcoming i.e. " cost is the highest ".They
Being required for using high-accuracy electronic component, volume is the most relatively large, is all difficult to promote.
Summary of the invention
In order to overcome current blackboard brush dust disorderly to fly, pollute the shortcoming of environment, the present invention proposes the greyish black scrubbing brush of a kind of suction
New design.
This blackboard brush, it is characterised in that include casing, parallel longitudinal in casing is provided with two cylindrical rollers,
In the middle of two cylindrical rollers, movable being arranged on a little axle of plate washer that one piece of small iron plate is made, plate washer is on the both sides of little axle
Can swing up and down, decontrol a roller, block another roller, the one-way stop machine of one similar ratchet mechanism of composition simultaneously
Structure, roller side is provided with brush, brush and roller contact, in the outside of two rollers, is provided with trundle against roller,
The bottom of trundle, is provided with dress ash-pit between cabinet shell and roller, is provided with ashpit in one end of dress ash-pit.
Brush can be arranged on above baffle plate in lambdoid or be arranged on wall box.
The method of this erasing blackboard, it is characterised in that include two longitudinally mounted cylindrical roller, in two cylindrical roller
Between, movable being arranged on a little axle of plate washer that one piece of small iron plate is made, plate washer can swing up and down on the both sides of little axle, puts
Open a roller, block another roller simultaneously, form the one directional braking mechanism of a similar ratchet mechanism, so that two
Roller can only single roll, in opposite direction, roller side is provided with brush, brush and roller contact, in the outside of two rollers,
Against roller, trundle is installed, makes a roller rotate another one roller when erasing blackboard by stop mechanism and do not rotate,
The roller not rotated and blackboard friction are by chalk writing wiped clean, and the roller rotated and brush friction, on this roller
Chalk dust cleaning is totally taken in Storage Box；During reversed toothbrush blackboard, the roller stop originally rolled, and the roller originally not rotated
Start to rotate.During erasing blackboard, each roller is cleaned repeatedly the most back and forth, and trundle also makes the chalk ash collection on roller at blackboard
In the built-in casing of brush, and will not drop out outside dress ash-pit, make the chalk dust on blackboard brush all be collected in the built-in of blackboard brush
In casing, chalk dust also would not permeate and go in air.
The present invention is by built-in for chalk dust casing and with low cost, and volume is little, simple to operate, is practically applicable to vast school
Teaching occasions.The like product volume occurred on the outer market of Present Domestic is big, uses electric drive, and price is up to one or two
Hundred.As long as and a few unit of this product cost, volume and traditional blackboard brush are suitable, automatically inhale apparatus for ash without power consumption, energy-conserving and environment-protective.City
Field competitiveness is the most surging.
Accompanying drawing explanation
Fig. 1 is the schematic cross section of the present invention
In figure: 1, casing, 2, roller, 3, baffle plate, 4, brush, 5, trundle, 6, dress ash-pit, 7, little axle.
Detailed description of the invention
As follows to the detailed description of the invention below in conjunction with the accompanying drawings:
This blackboard brush, including casing 1, parallel longitudinal in casing 1 is provided with two cylindrical rollers 2, two cylindrical rollers 2
Centre, being arranged on a little axle 7 of plate washer 3 activity that one piece of small iron plate is made, plate washer 3 can be upper and lower on the both sides of little axle 7
Swing, decontrol a roller, block another roller, the one directional braking mechanism of one similar ratchet mechanism of composition, roller 2 simultaneously
Side is provided with lambdoid brush 4, and brush 4 contacts with roller 2, in the outside of two rollers 2, is provided with little against roller 2
Roller 5, in the bottom of trundle 5, is provided with dress ash-pit 6 between casing 1 shell and roller 2, installs in one end of dress ash-pit 6
There is ashpit (not shown).
The method of this erasing blackboard, including two longitudinally mounted cylindrical roller, in the middle of two cylindrical roller, one piece of small iron plate
Movable being arranged on a little axle of the plate washer made, plate washer can swing up and down on the both sides of little axle, decontrols a roller, with
Time block another roller, the one directional braking mechanism of one similar ratchet mechanism of composition, so that two rollers can only be unidirectional
Rolling, in opposite direction, roller side is provided with brush, brush and roller contact, in the outside of two rollers, installs against roller
There is trundle, make a roller rotate another one roller when erasing blackboard by stop mechanism and do not rotate, the roller not rotated
With blackboard friction by chalk writing wiped clean, and the roller rotated and brush friction, the chalk dust on this roller is cleaned dry
Only take in Storage Box；During reversed toothbrush blackboard, the roller stop originally rolled, and the roller originally not rotated starts to rotate.This
During sample erasing blackboard back and forth, each roller is cleaned repeatedly, and trundle also makes the chalk ash collection on roller at the built-in casing of blackboard brush
In, and will not drop out outside dress ash-pit, make the chalk dust on blackboard brush all be collected in the built-in casing of blackboard brush, chalk dust
Dirt also would not permeate and go in air.
Claims (3)
1. a blackboard brush, it is characterised in that include casing, parallel longitudinal in casing is provided with two cylindrical rollers, and two
In the middle of cylindrical roller, movable being arranged on a little axle of plate washer that one piece of small iron plate is made, plate washer can on the both sides of little axle
To swing up and down, decontrol a roller, block another roller, the one-way stop machine of one similar ratchet mechanism of composition simultaneously
Structure, roller side is provided with brush, brush and roller contact, in the outside of two rollers, is provided with trundle against roller,
The bottom of trundle, is provided with dress ash-pit between cabinet shell and roller, is provided with ashpit in one end of dress ash-pit.
A kind of blackboard brush the most according to claim 1, it is characterised in that brush be lambdoid be arranged on above baffle plate or
It is arranged on wall box.
3. the method for an erasing blackboard, it is characterised in that include two longitudinally mounted cylindrical roller, in the middle of two cylindrical roller,
Movable being arranged on a little axle of plate washer that one piece of small iron plate is made, plate washer can swing up and down on the both sides of little axle, decontrols
One roller, blocks another roller simultaneously, forms the one directional braking mechanism of a similar ratchet mechanism, so that two rollings
Wheel can only single roll, in opposite direction, roller side is provided with brush, brush and roller contact, in the outside of two rollers, leans on
Roller and trundle is installed, make a roller rotate another one roller when erasing blackboard by stop mechanism and do not rotate, no
The roller rotated and blackboard friction are by chalk writing wiped clean, and the roller rotated and brush friction, the powder on this roller
Pen ash cleaning is totally taken in Storage Box；During reversed toothbrush blackboard, the roller stop originally rolled, and the roller originally not rotated is opened
Beginning to rotate, during erasing blackboard, each roller is cleaned repeatedly the most back and forth, and trundle also makes the chalk ash collection on roller at blackboard brush
Built-in casing in, and will not drop out dress ash-pit outside, make the chalk dust on blackboard brush all be collected in the built-in box of blackboard brush
In body, chalk dust also would not permeate and go in air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597911.6A CN106114019A (en) | 2016-07-27 | 2016-07-27 | A kind of blackboard brush and the method for erasing blackboard thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597911.6A CN106114019A (en) | 2016-07-27 | 2016-07-27 | A kind of blackboard brush and the method for erasing blackboard thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106114019A true CN106114019A (en) | 2016-11-16 |
Family
ID=57290415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610597911.6A Pending CN106114019A (en) | 2016-07-27 | 2016-07-27 | A kind of blackboard brush and the method for erasing blackboard thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106114019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973443A (en) * | 2018-08-10 | 2018-12-11 | 张家诚 | A kind of cyclic switching formula blackboard convenient for erasing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208436U (en) * | 1987-05-27 | 1987-12-30 | 谌桂生 | Blackboard eraser with collectting device for chalk powder |
| CN2186669Y (en) * | 1994-04-14 | 1995-01-04 | 但恭泽 | Convenient dust-absorbing blackboard brush |
| CN2243398Y (en) * | 1995-08-30 | 1996-12-25 | 顾正武 | Rolling dust collecting blackboard eraser |
| CN2333553Y (en) * | 1998-03-30 | 1999-08-18 | 何恋立 | Dustproof eraser |
| CN102001252A (en) * | 2010-09-21 | 2011-04-06 | 唐一夫 | Roller-type dust collection blackboard brush and working method thereof |
-
2016
- 2016-07-27 CN CN201610597911.6A patent/CN106114019A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208436U (en) * | 1987-05-27 | 1987-12-30 | 谌桂生 | Blackboard eraser with collectting device for chalk powder |
| CN2186669Y (en) * | 1994-04-14 | 1995-01-04 | 但恭泽 | Convenient dust-absorbing blackboard brush |
| CN2243398Y (en) * | 1995-08-30 | 1996-12-25 | 顾正武 | Rolling dust collecting blackboard eraser |
| CN2333553Y (en) * | 1998-03-30 | 1999-08-18 | 何恋立 | Dustproof eraser |
| CN102001252A (en) * | 2010-09-21 | 2011-04-06 | 唐一夫 | Roller-type dust collection blackboard brush and working method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973443A (en) * | 2018-08-10 | 2018-12-11 | 张家诚 | A kind of cyclic switching formula blackboard convenient for erasing |
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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: 20161116 |