CN204383017U - Dust absorption blackboard eraser - Google Patents
Dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN204383017U CN204383017U CN201420738025.7U CN201420738025U CN204383017U CN 204383017 U CN204383017 U CN 204383017U CN 201420738025 U CN201420738025 U CN 201420738025U CN 204383017 U CN204383017 U CN 204383017U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- eraser base
- base
- handle
- 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.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The purpose of this utility model is to provide a kind of dust absorption blackboard eraser, can carry out dust suction, prevent Faculty and Students from being sucked by dust while erasing the board.It is characterized in that: comprise blackboard eraser base, described blackboard eraser base top is provided with handle pole, described handle pole front portion is provided with laser port, described handle pole rear portion is provided with handle, described handle upper portion is provided with dust suction switch and laser switch, described blackboard eraser base rear portion is provided with dust-collecting box, described blackboard eraser base bottom is provided with rubbing head, described blackboard eraser base end face is provided with some suction ports, described blackboard eraser base front portion is provided with battery case lid, described battery case lid rear portion is provided with battery case, described blackboard eraser chassis interior is provided with dust catcher, described dust catcher bottom is provided with sweep-up pipe, dust guiding tube is provided with between described dust catcher and dust-collecting box, the beneficial effects of the utility model are: can carry out dust suction while erasing the board, can also use as laser pen simultaneously, assisted teacher gives lessons.
Description
Technical field
The utility model relates to teaching aid field, particularly relates to a kind of dust absorption blackboard eraser.
Background technology
The knowledge that present student need grasp gets more and more, the rhythm that relative classroom is given lessons is also more and more faster, content gets more and more, the corresponding raising of frequency of utilization of blackboard, teacher often needs the content on erasing blackboard to reuse, produce a large amount of dust in this process, infringement is produced to the health of Faculty and Students.
Utility model content
The purpose of this utility model is to provide a kind of dust absorption blackboard eraser, can carry out dust suction, prevent Faculty and Students from being sucked by dust while erasing the board.
The technical solution of the utility model is: a kind of dust absorption blackboard eraser, it is characterized in that: comprise blackboard eraser base, described blackboard eraser base top is provided with handle pole, be fixedly connected with blackboard eraser base, described handle pole front portion is provided with laser port, described handle pole rear portion is provided with handle, be flexibly connected with handle pole, described handle upper portion is provided with dust suction switch and laser switch, be flexibly connected with handle, described blackboard eraser base rear portion is provided with dust-collecting box, be flexibly connected with blackboard eraser base, described blackboard eraser base bottom is provided with rubbing head, be flexibly connected with blackboard eraser base, described blackboard eraser base end face is provided with some suction ports, described blackboard eraser base front portion is provided with battery case lid, be flexibly connected with blackboard eraser base, described battery case lid rear portion is provided with battery case, be fixedly connected with blackboard eraser base, described blackboard eraser chassis interior is provided with dust catcher, be flexibly connected with blackboard eraser base, described dust catcher bottom is provided with sweep-up pipe, be fixedly connected with blackboard eraser base, dust guiding tube is provided with between described dust catcher and dust-collecting box, be flexibly connected with blackboard eraser base.
Further, described rubbing head material is sponge, both can use in the dry state, also can get wet to use to carry out Integral cleaning to blackboard.
Further, described suction port quantity is 3.
The beneficial effects of the utility model are: can carry out dust suction while erasing the board, prevent Faculty and Students from being sucked by dust, during use, teacher can hold handle, avoid and when using common blackboard eraser, to hold the problem of hand of making dirty when rub body uses, can also use as laser pen, assisted teacher gives lessons simultaneously.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is the schematic diagram after the utility model handle extends.
Fig. 3 is the profile of the utility model front view.
Fig. 4 is the left view of the utility model front view.
Fig. 5 is the upward view of the utility model front view.
Wherein: 1, handle pole 2, blackboard eraser base 3, rubbing head
4, dust suction switch 5, handle 6, dust-collecting box
7, battery case 8, sweep-up pipe 9, dust catcher
10, dust guiding tube 11, laser port 12, battery case lid
13, suction port 14, laser switch
Detailed description of the invention
Below in conjunction with accompanying drawing, brief description is made to detailed description of the invention of the present utility model.
A kind of dust absorption blackboard eraser as shown in the figure, it is characterized in that: comprise blackboard eraser base 2, described blackboard eraser base 2 top is provided with handle pole 1, be fixedly connected with blackboard eraser base 2, described handle pole 1 front portion is provided with laser port 11, described handle pole rear portion is provided with handle 5, be flexibly connected with handle pole 1, described handle 5 top is provided with dust suction switch 4 and laser switch 14, be flexibly connected with handle 5, described blackboard eraser base 2 rear portion is provided with dust-collecting box 6, be flexibly connected with blackboard eraser base 2, described blackboard eraser base 2 bottom is provided with rubbing head 3, be flexibly connected with blackboard eraser base 2, described blackboard eraser base 2 bottom surface is provided with some suction ports 13, described blackboard eraser base 2 front portion is provided with battery case lid 12, be flexibly connected with blackboard eraser base 2, described battery case lid 12 rear portion is provided with battery case 7, be fixedly connected with blackboard eraser base 2, described blackboard eraser base 2 inside is provided with dust catcher 9, be flexibly connected with blackboard eraser base, described dust catcher 9 bottom is provided with sweep-up pipe 8, be fixedly connected with blackboard eraser base 2, dust guiding tube 10 is provided with between described dust catcher 9 and dust-collecting box 6, be flexibly connected with blackboard eraser base 2.
Working method: hold handle 5 during use, while erasing the board, press dust suction switch 4 open dust catcher 9 and carry out dust suction, service range can be extended by pulling handle 5 when the position that will wipe is higher, when needing laser pen aided education to teacher, laser switch 14 can be pressed, used as laser pen by dust absorption blackboard eraser, can pull down and clear up after dust-collecting box 6 is filled, rubbing head 3 can be pulled down after wearing and tearing and change.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (3)
1. a dust absorption blackboard eraser, it is characterized in that: comprise blackboard eraser base, described blackboard eraser base top is provided with handle pole, be fixedly connected with blackboard eraser base, described handle pole front portion is provided with laser port, described handle pole rear portion is provided with handle, be flexibly connected with handle pole, described handle upper portion is provided with dust suction switch and laser switch, be flexibly connected with handle, described blackboard eraser base rear portion is provided with dust-collecting box, be flexibly connected with blackboard eraser base, described blackboard eraser base bottom is provided with rubbing head, be flexibly connected with blackboard eraser base, described blackboard eraser base end face is provided with some suction ports, described blackboard eraser base front portion is provided with battery case lid, be flexibly connected with blackboard eraser base, described battery case lid rear portion is provided with battery case, be fixedly connected with blackboard eraser base, described blackboard eraser chassis interior is provided with dust catcher, be flexibly connected with blackboard eraser base, described dust catcher bottom is provided with sweep-up pipe, be fixedly connected with blackboard eraser base, dust guiding tube is provided with between described dust catcher and dust-collecting box, be flexibly connected with blackboard eraser base.
2. dust absorption blackboard eraser according to claim 1, is characterized in that: described rubbing head material is sponge.
3. dust absorption blackboard eraser according to claim 1, is characterized in that: described suction port quantity is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738025.7U CN204383017U (en) | 2014-11-28 | 2014-11-28 | Dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738025.7U CN204383017U (en) | 2014-11-28 | 2014-11-28 | Dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204383017U true CN204383017U (en) | 2015-06-10 |
Family
ID=53355766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420738025.7U Expired - Fee Related CN204383017U (en) | 2014-11-28 | 2014-11-28 | Dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204383017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291083A (en) * | 2021-07-02 | 2021-08-24 | 上海应用技术大学 | Multifunctional intelligent chalk eraser and using method thereof |
-
2014
- 2014-11-28 CN CN201420738025.7U patent/CN204383017U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291083A (en) * | 2021-07-02 | 2021-08-24 | 上海应用技术大学 | Multifunctional intelligent chalk eraser and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20151128 |