CN105818587A - Dust-free blackboard eraser - Google Patents
Dust-free blackboard eraser Download PDFInfo
- Publication number
- CN105818587A CN105818587A CN201610410373.5A CN201610410373A CN105818587A CN 105818587 A CN105818587 A CN 105818587A CN 201610410373 A CN201610410373 A CN 201610410373A CN 105818587 A CN105818587 A CN 105818587A
- Authority
- CN
- China
- Prior art keywords
- dust
- collecting box
- dust collecting
- black board
- free black
- 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
Abstract
The invention discloses a dust-free blackboard eraser. The dust-free blackboard eraser is characterized by comprising a dust collecting box (1); powder penetrating flannelette (2) for wiping is installed on one side of the dust collecting box (1), the inner side of the powder penetrating flannelette (2) is installed in a cavity of the dust collecting box (1), a dust removing opening (3) is formed in the other side of the dust collecting box (1), a connecting cover plate (4) is connected to the dust removing opening (3) in a matched mode, and an air suction device (5) is further arranged at one end of the dust collecting box (1). The dust-free blackboard eraser has the advantages that the structure is simple, a blackboard is conveniently wiped, chalk dust generated after wiping is collected in the blackboard eraser to be conveniently and intensively removed, and the technical problems that in the present teaching process, dust is much when the blackboard is wiped, and the body health of teachers and students is influenced are solved.
Description
Technical field
The present invention relates to a kind of educational aid, particularly relate to a kind of dust-free black board eraser.
Background technology
Teaching often uses to stop writing and writes writing on the blackboard, this is accomplished by using blackboard eraser to carry out wiping, existing blackboard eraser is during wiping, only part chalk dust can accumulate in blackboard eraser, remaining chalk dust can descend slowly and lightly in the air, and after long-time use, the using effect of blackboard eraser is not only deteriorated, and affecting the healthy of academics and students, the blackboard eraser that after therefore present stage urgent need wants a kind of wiping, free from dust is kicked up is for use.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and a kind of dust-free black board eraser proposed.
To achieve these goals, present invention employs following technical scheme:
A kind of dust-free black board eraser, it is characterized in that: include dust collecting box, the saturating powder flannelette for wiping is installed in the side of dust collecting box, the inner side of powder flannelette is located in the cavity of dust collecting box thoroughly, opposite side at dust collecting box is provided with cleaning door, be connected on cleaning door cover plate, is additionally provided with air intake device in one end of dust collecting box.
Preferably, described dust collecting box is a square shell structure, is provided with the opening installing air intake device in its one end.
Preferably, described air intake device includes the drainage screen being connected with described dust collecting box, and be connected blower fan in the outside of drainage screen, is provided with the power supply powered for it in the side of blower fan.
Preferably, described drainage screen uses HEPA drainage screen.
Preferably, described blower fan uses axial flow blower.
Preferably, described power supply is arranged on the battery case on dust collecting box, installs accumulator or aneroid battery in battery case.
It is an advantage of the current invention that: a kind of dust-free black board eraser simple in construction provided by the present invention, blackboard wiping is convenient, chalk dust after wiping is collected in blackboard eraser, it is simple to concentrate cleaning, solves when erasing the board in present teaching process that dust is more, technical problem that to affect teachers and students healthy.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of a kind of dust-free black board eraser provided by the present invention；
Fig. 2 is the structural representation of dust collecting box.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As depicted in figs. 1 and 2, a kind of dust-free black board eraser that the present invention provides, including dust collecting box 1, described dust collecting box 1 is a square shell structure, through hole and the cleaning door 3 of cleaning chalk dust of saturating powder flannelette 2 are installed in symmetrical being respectively provided on two sides with of dust collecting box 1, are additionally provided with the opening 6 installing air intake device 5 in one end of dust collecting box 1.
The inner side of described powder flannelette 2 is located at the respective side walls of the cavity medial and lateral protrusion dust collecting box 1 of dust collecting box 1, and be connected on cleaning door 3 cover plate 4, when after the quantity that the chalk dust in dust collecting box 1 reaches certain, opens cover plate and clears up.
Described air intake device 5 includes the drainage screen 7 being connected with described dust collecting box 1, and described drainage screen 7 uses HEPA drainage screen, and be connected blower fan 8 in the outside of drainage screen 7, and described blower fan 8 uses axial flow blower, is provided with the power supply powered for it in the side of blower fan 8.Described power supply is arranged on the battery case on dust collecting box 1, installs accumulator or aneroid battery in battery case.Blower fan 8 is opened when blackboard wiping, air-flow enters in dust collecting box 1 from saturating powder flannelette 2, chalk on blackboard is sucked in dust collecting box 1 simultaneously, convenient under the effect of drainage screen 7, chalk dust is trapped in dust collecting box 1, dust will not be produced when blackboard wiping.
Claims (6)
1. a dust-free black board eraser, it is characterized in that: include dust collecting box (1), the saturating powder flannelette (2) for wiping is installed in the side of dust collecting box (1), the inner side of powder flannelette (2) is located in the cavity of dust collecting box (1) thoroughly, opposite side at dust collecting box (1) is provided with cleaning door (3), be connected on cleaning door (3) cover plate (4), is additionally provided with air intake device (5) in one end of dust collecting box (1).
A kind of dust-free black board eraser the most according to claim 1, it is characterised in that: described dust collecting box (1) is a square shell structure, is provided with the opening (6) installing air intake device (5) in its one end.
A kind of dust-free black board eraser the most according to claim 1, it is characterized in that: described air intake device (5) includes the drainage screen (7) being connected with described dust collecting box (1), be connected blower fan (8) in the outside of drainage screen (7), is provided with, in the side of blower fan (8), the power supply powered for it.
A kind of dust-free black board eraser the most according to claim 3, it is characterised in that: described drainage screen (7) uses HEPA drainage screen.
A kind of dust-free black board eraser the most according to claim 3, it is characterised in that: described blower fan (8) uses axial flow blower.
A kind of dust-free black board eraser the most according to claim 3, it is characterised in that: described power supply is arranged on the battery case on dust collecting box (1), installs accumulator or aneroid battery in battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410373.5A CN105818587A (en) | 2016-06-13 | 2016-06-13 | Dust-free blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410373.5A CN105818587A (en) | 2016-06-13 | 2016-06-13 | Dust-free blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105818587A true CN105818587A (en) | 2016-08-03 |
Family
ID=56532169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610410373.5A Pending CN105818587A (en) | 2016-06-13 | 2016-06-13 | Dust-free blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105818587A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394085A (en) * | 2016-12-02 | 2017-02-15 | 辛顺强 | Blackboard erasing and dust removing device for teaching building |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263010Y (en) * | 1996-01-24 | 1997-09-24 | 田路平 | Charging dust-absorption blackboard eraser |
| CN2384789Y (en) * | 1999-07-14 | 2000-06-28 | 陈季群 | Electroless self-dust-collecting brush |
| CN2471560Y (en) * | 2001-03-22 | 2002-01-16 | 王浩凯 | Automatic dust-collecting eraser |
| CN1743186A (en) * | 2004-09-03 | 2006-03-08 | 赖锡璜 | Blackboard eraser |
| US20060260092A1 (en) * | 2005-05-18 | 2006-11-23 | Hsi-Hur Lai | Vacuum eraser for blackboards |
| CN201736675U (en) * | 2010-04-17 | 2011-02-09 | 燕山大学 | Electric dust absorbing type blackboard eraser |
| CN201841841U (en) * | 2010-09-02 | 2011-05-25 | 曲家周 | Dust-absorption blackboard eraser |
| CN202463379U (en) * | 2012-02-28 | 2012-10-03 | 闫化存 | Dust-absorption blackboard eraser |
-
2016
- 2016-06-13 CN CN201610410373.5A patent/CN105818587A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263010Y (en) * | 1996-01-24 | 1997-09-24 | 田路平 | Charging dust-absorption blackboard eraser |
| CN2384789Y (en) * | 1999-07-14 | 2000-06-28 | 陈季群 | Electroless self-dust-collecting brush |
| CN2471560Y (en) * | 2001-03-22 | 2002-01-16 | 王浩凯 | Automatic dust-collecting eraser |
| CN1743186A (en) * | 2004-09-03 | 2006-03-08 | 赖锡璜 | Blackboard eraser |
| US20060260092A1 (en) * | 2005-05-18 | 2006-11-23 | Hsi-Hur Lai | Vacuum eraser for blackboards |
| CN201736675U (en) * | 2010-04-17 | 2011-02-09 | 燕山大学 | Electric dust absorbing type blackboard eraser |
| CN201841841U (en) * | 2010-09-02 | 2011-05-25 | 曲家周 | Dust-absorption blackboard eraser |
| CN202463379U (en) * | 2012-02-28 | 2012-10-03 | 闫化存 | Dust-absorption blackboard eraser |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394085A (en) * | 2016-12-02 | 2017-02-15 | 辛顺强 | Blackboard erasing and dust removing device for teaching building |
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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 | ||
| CB02 | Change of applicant information |
Address after: 233000 Bengbu, Anhui Province, Cao Cao Shan Road, Anhui,, Career Technical College Applicant after: Xin Shunqiang Address before: 233000 Cao Road, Bengbu, Anhui, No. 1000 Applicant before: Xin Shunqiang |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160803 |
|
| RJ01 | Rejection of invention patent application after publication |