CN202242639U - Dust absorbing blackboard eraser - Google Patents
Dust absorbing blackboard eraser Download PDFInfo
- Publication number
- CN202242639U CN202242639U CN2011203421644U CN201120342164U CN202242639U CN 202242639 U CN202242639 U CN 202242639U CN 2011203421644 U CN2011203421644 U CN 2011203421644U CN 201120342164 U CN201120342164 U CN 201120342164U CN 202242639 U CN202242639 U CN 202242639U
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- CN
- China
- Prior art keywords
- support
- cavity
- dust
- handle
- blackboard eraser
- 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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- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model provides a dust absorbing blackboard eraser. A handle is arranged on one side of a support; the other side of the support, namely the side opposite to the handle, is fixedly connected with erasing cloth at regular intervals from the top to the bottom; a cavity is arranged at the inner part of the support; a dust absorbing device is arranged at the inner part of the cavity; dust absorbing holes communicated with the cavity at the inner part of the support are arranged among the erasing cloth on the surface of the support; and a dust outlet communicated with the cavity is arranged on the surface of the support. Compared with the prior art, the dust absorbing blackboard eraser has the advantages that the convenience and the practicality are realized, the operation is convenient and fast, the time and the labor are saved, and the like.
Description
Technical field the utility model relates to a kind of blackboard eraser.
Background technology is well-known, and blackboard eraser is a blackboard cleaning device important in the teaching process, and existing blackboard eraser is the structure that the bottom of plate body is provided with wiper basically, and the blackboard eraser of this structure in use is prone to the dust that falls, and the wiping area is less.
The purpose of summary of the invention the utility model is to provide a kind of simple structure, and is convenient and practical, and simple operation is time saving and energy saving, cheap dust absorption blackboard eraser.
The utility model comprises support, handle, wiper and dust exhaust apparatus, and said support is that the cross section is the foursquare body of rod, is provided with handle in a side of support; Handle is the quadra structure; Promptly relative with the handle side of the opposite side of support is affixed several wipers of equidistance from top to bottom, and cavity is offered in the inside of above-mentioned support, and the inside of cavity is provided with dust exhaust apparatus; Said dust exhaust apparatus is made up of micro-cleaner, battery and switch, and the switch of dust exhaust apparatus is arranged on the outside of support; Be provided with the through hole that is communicated with the internal stent cavity, i.e. air suction opening between the wiper of rack surface; Offer the dust export that is communicated with cavity on the surface of above-mentioned support, and connect the retaining plug at the dust export place.
The utility model in use, the user holds handle, utilizes the wiper blackboard wiping of rack surface, starts the dust exhaust apparatus of internal stent in the time of wiping, dust is inhaled into cavity inside by the air suction opening between the wiper.
The utility model compared with prior art has following advantage: simple structure, and convenient and practical, simple operation, time saving and energy saving, cheap.
Description of drawings Fig. 1 is the overall structure sketch map of the utility model.
The specific embodiment is in the overall structure sketch map of dust absorption blackboard eraser shown in Figure 1, and support 1 is the foursquare body of rod for the cross section, is provided with handle 2 in a side of support; Handle is the quadra structure; Promptly relative with the handle side of the opposite side of support is affixed several wipers 3 of equidistance from top to bottom, and cavity 4 is offered in the inside of support, and the inside of cavity is provided with dust exhaust apparatus 5; Dust exhaust apparatus is made up of micro-cleaner, battery and switch, and the switch 6 of dust exhaust apparatus is arranged on the outside of support; Be provided with the through hole that is communicated with the internal stent cavity between the wiper of rack surface, promptly air suction opening 7; The dust export 8 that is communicated with cavity is offered on the surface of support, and connects retaining plug 9 at the dust export place.
Claims (1)
1. a dust absorption blackboard eraser comprises support, handle, wiper and dust exhaust apparatus, it is characterized in that: support is that the cross section is the foursquare body of rod; One side of support is provided with handle, and handle is the quadra structure, and promptly relative with the handle side of the opposite side of support is the affixed wiper of equidistance from top to bottom; Cavity is offered in the inside of support; The inside of cavity is provided with dust exhaust apparatus, and dust exhaust apparatus is made up of micro-cleaner, battery and switch, and the switch of dust exhaust apparatus is arranged on the outside of support; Be provided with the through hole that is communicated with the internal stent cavity, i.e. air suction opening between the wiper of rack surface; The dust export that is communicated with cavity is offered on the surface of support, and connects the retaining plug at the dust export place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203421644U CN202242639U (en) | 2011-09-14 | 2011-09-14 | Dust absorbing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203421644U CN202242639U (en) | 2011-09-14 | 2011-09-14 | Dust absorbing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202242639U true CN202242639U (en) | 2012-05-30 |
Family
ID=46103929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203421644U Expired - Fee Related CN202242639U (en) | 2011-09-14 | 2011-09-14 | Dust absorbing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202242639U (en) |
-
2011
- 2011-09-14 CN CN2011203421644U patent/CN202242639U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20120914 |