CN108357251A - A kind of dust-proof blackboard eraser - Google Patents
A kind of dust-proof blackboard eraser Download PDFInfo
- Publication number
- CN108357251A CN108357251A CN201810078525.5A CN201810078525A CN108357251A CN 108357251 A CN108357251 A CN 108357251A CN 201810078525 A CN201810078525 A CN 201810078525A CN 108357251 A CN108357251 A CN 108357251A
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- dust cover
- mounting bracket
- proof
- 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
Abstract
The invention discloses a kind of dust-proof blackboard erasers, belong to teaching aid technical field.Including：Dust cover, dust cover are arranged for arc-shaped shell, and the end face on the outside of dust cover is provided with handle；Mounting bracket, mounting bracket are arranged on the inside of dust cover, and one end of mounting bracket and the center on the inside of dust cover connect, and mounting bracket and handle face；Blackboard eraser main body, blackboard eraser main body are removably connect with the other end of mounting bracket.A kind of dust-proof blackboard eraser provided by the invention increases a dust cover on the basis of ordinary blackboard eraser outside it, can inhibit drifting for dust during erasing the board, convenient and efficient, is impacted to human body with reducing chalk dust.
Description
Technical field
The present invention relates to teaching aid technical fields, are specifically related to a kind of dust-proof blackboard eraser.
Background technology
Blackboard eraser be daily teaching life in essential teaching aid, student or teacher wiped by blackboard eraser it is black
Plate, but there are obvious defects for the relatively broad blackboard eraser used at present, and a large amount of powder is had during blackboard wiping
Ash is fallen, and can be fallen into oral cavity and the nasal cavity of student and teacher, be affected to health.
Invention content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of dust-proof blackboard eraser, after ordinary blackboard eraser
Portion increases a hemispherical dust cover, and blackboard eraser main body is arranged in the hollow housing of dust cover, at the outer rim of dust cover also
Be provided with flannelette, to be isolated in blackboard-cleaning during the chalk dust that generates.
Specific technical solution is as follows：
A kind of dust-proof blackboard eraser, including：
Dust cover, the dust cover are arranged for arc-shaped shell, and the end face on the outside of the dust cover is provided with handle；
Mounting bracket, the mounting bracket are arranged on the inside of the dust cover, in one end of the mounting bracket and the dust cover
The center of side connects, and the mounting bracket and the handle face；
Blackboard eraser main body, the blackboard eraser main body are removably connect with the other end of the mounting bracket.
Above-mentioned a kind of dust-proof blackboard eraser, wherein the blackboard eraser main body includes blackboard eraser shell and blackboard wiper, described
One end of blackboard eraser shell is connect with the other end of the mounting bracket, the other end of the blackboard eraser shell and the blackboard wiper
Connection.
Above-mentioned a kind of dust-proof blackboard eraser, wherein the length of the blackboard eraser main body is less than the diameter of the dust cover.
Above-mentioned a kind of dust-proof blackboard eraser, wherein the blackboard wiper is flushed with the opening of the dust cover.
Above-mentioned a kind of dust-proof blackboard eraser, wherein the edge of the dust-proof cover opening is provided with flannelette.
Above-mentioned a kind of dust-proof blackboard eraser, wherein the dust cover and the handle are plastic material.
The good effect of above-mentioned technical proposal is：
The rear portion of dust-proof blackboard eraser provided by the invention, ordinary blackboard eraser increases a hemispherical dust cover, blackboard eraser
Main body is arranged in the hollow housing of dust cover, and flannelette is additionally provided at the outer rim of dust cover, to be isolated in the mistake of blackboard-cleaning
The chalk dust generated in journey, it is simple in structure, it is easy to use.
Description of the drawings
Fig. 1 is a kind of dust-proof blackboard eraser structural schematic diagram of the present invention.
In attached drawing：1, dust cover；2, handle；3, mounting bracket；4, blackboard eraser main body；41, blackboard eraser shell；42, blackboard eraser
Cloth.
Specific implementation mode
It is real below in order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand
Example combination attached drawing 1 is applied to be specifically addressed dust-proof blackboard eraser provided by the invention.
This example provide a kind of dust-proof blackboard eraser include：Dust cover 1, handle 2, mounting bracket 3, blackboard eraser main body 4, blackboard
Wipe shell 41, blackboard wiper 42.
In the present embodiment, dust cover 1 is arranged for arc-shaped shell, and the end face in 1 outside of dust cover is provided with handle 2.Peace
3 settings are shelved in 1 inside of dust cover, one end of mounting bracket 3 is connect with the center of 1 inside of dust cover, and mounting bracket 3 and handle 2
Face, blackboard eraser main body 4 are removably connect with the other end of mounting bracket 3.
In a preferred embodiment, as shown in Figure 1, blackboard eraser main body 4 includes blackboard eraser shell 41 and blackboard eraser
One end of cloth 42, blackboard eraser shell 41 is connect with the other end of mounting bracket 3, the other end and the blackboard wiper 42 of blackboard eraser shell 41
Connection.
In a preferred embodiment, as shown in Figure 1, the length of blackboard eraser main body 41 is less than the diameter of dust cover 1.
In a preferred embodiment, as shown in Figure 1, blackboard wiper 42 is flushed with the opening of dust cover 1.
In a preferred embodiment, as shown in Figure 1, the edge that dust cover 1 is open is provided with flannelette.
In a preferred embodiment, as shown in Figure 1, dust cover 1 and handle 2 are plastic material.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of there is no restriction the scope of the present invention.
Dust-proof blackboard eraser provided in this embodiment, dust cover 1 are arranged for arc-shaped shell, and the end face in 1 outside of dust cover is set
It is equipped with handle 2, wherein dust cover 1 and handle 2 are plastic material, and the edge that dust cover 1 is open is additionally provided with flannelette.Installation
The setting of frame 3 is in 1 inside of dust cover, and one end of mounting bracket 3 is connect with the center of 1 inside of dust cover, and mounting bracket 3 and handle 2 are just
Right, blackboard eraser main body 4 is removably connect with the other end of mounting bracket 3.Blackboard eraser main body 4 includes blackboard eraser shell 41 and blackboard
One end of wiper 42, blackboard eraser shell 41 is connect with the other end of mounting bracket 3, the other end and the blackboard wiper of blackboard eraser shell 41
42 connections, the wherein length of blackboard eraser main body 41 are less than the diameter of dust cover 1, and blackboard wiper 42 is flushed with the opening of dust cover 1.
The dust-proof blackboard eraser increases a hemispherical dust cover at the rear portion of ordinary blackboard eraser, and blackboard eraser main body is arranged in dust cover
In hollow housing, flannelette is additionally provided at the outer rim of dust cover, to be isolated in blackboard-cleaning during the chalk dust that generates, knot
Structure is simple, easy to use.
It these are only preferred embodiments of the present invention, be not intended to limit the implementation manners and the protection scope of the present invention, it is right
For those skilled in the art, it should can appreciate that and all be replaced with being equal made by description of the invention and diagramatic content
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (6)
1. a kind of dust-proof blackboard eraser, which is characterized in that including：
Dust cover, the dust cover are arranged for arc-shaped shell, and the end face on the outside of the dust cover is provided with handle；
Mounting bracket, the mounting bracket are arranged on the inside of the dust cover, on the inside of one end of the mounting bracket and the dust cover
Center connects, and the mounting bracket and the handle face；
Blackboard eraser main body, the blackboard eraser main body are removably connect with the other end of the mounting bracket.
2. dust-proof blackboard eraser according to claim 1, which is characterized in that the blackboard eraser main body include blackboard eraser shell and
One end of blackboard wiper, the blackboard eraser shell is connect with the other end of the mounting bracket, the other end of the blackboard eraser shell
It is connect with the blackboard wiper.
3. dust-proof blackboard eraser according to claim 2, which is characterized in that the length of the blackboard eraser main body is less than described anti-
The diameter of dust hood.
4. dust-proof blackboard eraser according to claim 3, which is characterized in that the opening of the blackboard wiper and the dust cover
It flushes.
5. dust-proof blackboard eraser according to claim 1, which is characterized in that the edge of the dust-proof cover opening is provided with suede
Cloth.
6. dust-proof blackboard eraser according to claim 1, which is characterized in that the dust cover and the handle are plastics material
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078525.5A CN108357251A (en) | 2018-01-26 | 2018-01-26 | A kind of dust-proof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078525.5A CN108357251A (en) | 2018-01-26 | 2018-01-26 | A kind of dust-proof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108357251A true CN108357251A (en) | 2018-08-03 |
Family
ID=63007035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810078525.5A Pending CN108357251A (en) | 2018-01-26 | 2018-01-26 | A kind of dust-proof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108357251A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201712365U (en) * | 2010-01-07 | 2011-01-19 | 徐国杰 | Dust-proof blackboard eraser |
| CN201800401U (en) * | 2010-10-08 | 2011-04-20 | 杨芙莹 | Dustproof blackboard eraser |
| CN201941459U (en) * | 2011-02-25 | 2011-08-24 | 王中东 | Dustproof blackboard eraser |
| CN202557134U (en) * | 2012-05-04 | 2012-11-28 | 孙书杰 | Dustproof blackboard eraser |
| CN204383021U (en) * | 2014-12-15 | 2015-06-10 | 赵凤娇 | Dust-proof blackboard eraser |
-
2018
- 2018-01-26 CN CN201810078525.5A patent/CN108357251A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201712365U (en) * | 2010-01-07 | 2011-01-19 | 徐国杰 | Dust-proof blackboard eraser |
| CN201800401U (en) * | 2010-10-08 | 2011-04-20 | 杨芙莹 | Dustproof blackboard eraser |
| CN201941459U (en) * | 2011-02-25 | 2011-08-24 | 王中东 | Dustproof blackboard eraser |
| CN202557134U (en) * | 2012-05-04 | 2012-11-28 | 孙书杰 | Dustproof blackboard eraser |
| CN204383021U (en) * | 2014-12-15 | 2015-06-10 | 赵凤娇 | Dust-proof blackboard eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180803 |
|
| WD01 | Invention patent application deemed withdrawn after publication |