CN203438732U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN203438732U CN203438732U CN201320514979.5U CN201320514979U CN203438732U CN 203438732 U CN203438732 U CN 203438732U CN 201320514979 U CN201320514979 U CN 201320514979U CN 203438732 U CN203438732 U CN 203438732U
- Authority
- CN
- China
- Prior art keywords
- erasing
- blackboard eraser
- hair portion
- wiping board
- wet
- 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
Links
Images
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model relates to a blackboard eraser which is healthy and environmentally friendly. The blackboard eraser solves the problem existing in the prior art that breathing safety of a teacher and students sitting in the front rows of a classroom is threatened by flying dust, and therefore lung health of the teacher and the students is affected. According to the technical scheme, the blackboard eraser comprises an erasing board and erasing bristles, the erasing bristles are connected with the front side of the erasing board, the erasing bristles are divided into a dry erasing bristle part and wet erasing bristle parts, the dry erasing bristle part is located in the middle of the erasing board, the wet erasing bristle parts are located at the two ends of the erasing board respectively, and water injection ports are formed in positions, corresponding to the wet erasing bristle parts, of the two ends of the erasing board respectively. According to the blackboard eraser, the erasing bristles are divided into the wet erasing bristle parts and the dry erasing bristle part through water injection, the wet erasing bristle parts can prevent dust from flying, the dry erasing bristle part solves the problem that writing can be not achieved due to the fact that a blackboard is too wet, and lung health of the teacher and the students is not affected.
Description
Technical field
The utility model is a kind of realia, particularly relates to a kind of blackboard eraser of health environment-friendly.
Background technology
Blackboard eraser is apparatus indispensable in current middle and primary schools daily teaching, play the original letter written with chalk of blackboard is wiped out, again write new content, but when general letter written with chalk is wiped, dust is more, various dust from flying, such consequence is exactly that the lung that dust from flying can threaten teacher and front-seat student's the safe ，Dui of breathing Faculty and Students causes health effect.
China Patent Publication No.: CN102991228A, in open day on March 27th, 2013, discloses a kind of blackboard eraser, and leather sheath is fixed on above plank, and felt is fixed on plank, and elastic tape is enclosed within felt and plank is fixing around.This technical scheme has been installed leather sheath on wiping basis in traditional blackboard, and the Shi Buhui that erases the board makes the full hand to be chalk powder.But this technical scheme, can only improve the weakness of current technical scheme slightly, and the lung that still exists dust from flying can threaten teacher and front-seat student's the safe ，Dui of breathing Faculty and Students causes health effect.
Utility model content
The purpose of this utility model is the problem of health effect that causes for solving lung that current technical scheme exists dust from flying can threaten teacher and front-seat student's the safe ，Dui of breathing Faculty and Students, and a kind of blackboard eraser of health environment-friendly is provided.
The utility model solves the technical scheme that its technical problem adopts: a kind of blackboard eraser, comprise wiping board and snag, described snag is connected with the front of wiping board, described snag comprises xerotripsis hair portion and wet rubbing hair portion, described xerotripsis hair portion is positioned at the middle part of described wiping board, described wet rubbing hair portion is positioned at the two ends of described wiping board, on the position of the two ends relative wet rubbing hair portion of described wiping board, all offers water filling port.The utility model arranges like this, by the mode of water filling, snag is divided into wet rubbing hair portion and xerotripsis hair portion, wet rubbing hair portion can prevent dust from flying, xerotripsis hair portion has solved blackboard and has crossed the lung health of the wet problem ，Bu Huidui Faculty and Students that cannot write and impact.
As preferably, the back side of described wiping board is connected with a backboard, and the width of described backboard is less than the width of described wiping board, and the lower surface of described backboard is fixedly connected with the center at the described wiping board back side.Arrange like this, backboard is less, can facilitate teacher to hold back.
As preferably, the upper surface of described backboard is provided with the lower shrinkage pool of several circles.Arrange like this, the setting of little shrinkage pool, has increased backboard frictional force, has improved user's experience.
As preferably, on one end of described wiping board, be provided with a metascope.Arrange like this, the function of teacher's pointer has been also coupled on blackboard eraser.
As preferably, described wet rubbing hair portion comprises sponge portion and felt layers, and described felt layers is wrapped in the outside of sponge portion.Arrange like this, water can be housed in sponge portion, for user's long term.
As preferably, the both sides at the back side of wiping board are connected with lanyard.
As preferably, the thickness of described xerotripsis hair portion is greater than the thickness of described wet rubbing hair portion.Arrange like this, can conveniently use the wet rubbing hair portion of end, also can conveniently use xerotripsis hair portion.
As preferably, in described xerotripsis hair portion, be provided with some the blind slots that are parallel to each other.The setting of blind slot, can include some dust, has prevented flying upward of dust.
Substantial effect of the present utility model is: by the mode of water filling, snag is divided into wet rubbing hair portion and xerotripsis hair portion, wet rubbing hair portion can prevent dust from flying, and xerotripsis hair portion has solved blackboard and crossed the lung health of the wet problem ，Bu Huidui Faculty and Students that cannot write and impact.
Accompanying drawing explanation
Fig. 1 is a kind of Facad structure schematic diagram of the present utility model;
Fig. 2 is a kind of structure schematic diagram of the present utility model;
Fig. 3 is a kind of side structure schematic diagram of the present utility model.
In figure: 1, wiping board, 2, backboard, 3, water filling port, 4, metascope, 5, lanyard, 11, xerotripsis hair portion, 12, wet rubbing hair portion, 13, blind slot, 31, lower shrinkage pool.
The specific embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
A kind of blackboard eraser (referring to accompanying drawing 1, Fig. 2 and Fig. 3), comprise wiping board 1 and snag, the whole ovalize of wiping board, described snag is connected with the front of wiping board, described snag comprises xerotripsis hair portion 11 and wet rubbing hair portion 12, and described xerotripsis hair portion is positioned at the middle part of described wiping board, and described wet rubbing hair portion is positioned at the two ends of described wiping board major axis, on the position of the two ends relative wet rubbing hair portion of described wiping board, all offer water filling port 3, on water filling port, be provided with tender filling hole cover.Described wet rubbing hair portion comprises sponge portion and felt layers, and described felt layers is wrapped in the outside of sponge portion.Sponge portion is high elasticity sponge.The thickness of described xerotripsis hair portion is greater than the thickness of described wet rubbing hair portion.In described xerotripsis hair portion, be provided with seven blind slots that are parallel to each other 13.Blind slot is also parallel with major axis.The both sides at the back side of wiping board are connected with lanyard 5.Lanyard consists of iron wire.The back side of described wiping board is connected with a backboard 2, and backboard is oval shape.The width of described backboard is less than the width of described wiping board, and the lower surface of described backboard is fixedly connected with the center at the described wiping board back side.The upper surface of described backboard is provided with the lower shrinkage pool of several circles.On one end of described wiping board, be provided with a metascope 4.
The present embodiment, by the mode of water filling, is divided into wet rubbing hair portion and xerotripsis hair portion by snag, wet rubbing hair portion can prevent dust from flying, and xerotripsis hair portion has solved blackboard and crossed the lung health of the wet problem ，Bu Huidui Faculty and Students that cannot write and impact.The setting of blind slot, can include some dust, has prevented flying upward of dust.
Above-described embodiment is a kind of preferably scheme of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (8)
1. a blackboard eraser, comprise wiping board and snag, described snag is connected with the front of wiping board, it is characterized in that: described snag comprises xerotripsis hair portion and wet rubbing hair portion, described xerotripsis hair portion is positioned at the middle part of described wiping board, described wet rubbing hair portion is positioned at the two ends of described wiping board, on the position of the two ends relative wet rubbing hair portion of described wiping board, all offers water filling port.
2. blackboard eraser according to claim 1, is characterized in that: the back side of described wiping board is connected with a backboard, and the width of described backboard is less than the width of described wiping board, and the lower surface of described backboard is fixedly connected with the center at the described wiping board back side.
3. blackboard eraser according to claim 2, is characterized in that: the upper surface of described backboard is provided with the lower shrinkage pool of several circles.
4. blackboard eraser according to claim 1, is characterized in that: on one end of described wiping board, be provided with a metascope.
5. blackboard eraser according to claim 1, is characterized in that: described wet rubbing hair portion comprises sponge portion and felt layers, and described felt layers is wrapped in the outside of sponge portion.
6. blackboard eraser according to claim 2, is characterized in that: the both sides at the back side of wiping board are connected with lanyard.
7. blackboard eraser according to claim 5, is characterized in that: the thickness of described xerotripsis hair portion is greater than the thickness of described wet rubbing hair portion.
8. blackboard eraser according to claim 7, is characterized in that: in described xerotripsis hair portion, be provided with some the blind slots that are parallel to each other.
?
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514979.5U CN203438732U (en) | 2013-08-22 | 2013-08-22 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514979.5U CN203438732U (en) | 2013-08-22 | 2013-08-22 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438732U true CN203438732U (en) | 2014-02-19 |
Family
ID=50089805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320514979.5U Expired - Fee Related CN203438732U (en) | 2013-08-22 | 2013-08-22 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438732U (en) |
-
2013
- 2013-08-22 CN CN201320514979.5U patent/CN203438732U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205202536U (en) | Multifunctional teaching aid | |
| CN203828281U (en) | Novel writing brush box | |
| CN203438732U (en) | Blackboard eraser | |
| CN202847261U (en) | Stretchable dry-and-wet blackboard eraser | |
| CN203805592U (en) | Dust-free blackboard eraser | |
| CN202357737U (en) | Blackboard eraser | |
| CN206826251U (en) | A kind of new education and instruction chalk sleeve | |
| CN202935048U (en) | Dustproof blackboard eraser | |
| CN203849891U (en) | Calligraphy practicing kit | |
| CN204136638U (en) | The semi-automatic blackboard of a kind of slidingtype | |
| CN205075547U (en) | Electrostatic dust -absorbing blackboard eraser | |
| CN203185902U (en) | Chalk sleeve | |
| CN204383006U (en) | A kind of blackboard eraser | |
| CN202847263U (en) | Dustproof blackboard eraser | |
| CN204077185U (en) | Language teaching is facilitated to be with the board of education device of perpendicular wiping board brush | |
| CN203093530U (en) | Blackboard eraser | |
| CN204172561U (en) | A kind of brush unit and there is its dust collection blackboard eraser | |
| CN204263805U (en) | A kind of special gloves blackboard eraser | |
| CN202225640U (en) | Sanitary blackboard eraser | |
| CN209514917U (en) | A kind of writing practicing board | |
| CN103448434A (en) | Blackboard eraser allowing cyclic utilization | |
| CN203600858U (en) | Dustproof eraser | |
| CN104647978A (en) | Touch and talk pen with writing pen point and pen held clamping device | |
| CN202573542U (en) | Blackboard brush | |
| CN206470997U (en) | A kind of ideological and political education contrasts apparatus for demonstrating |
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: 20140219 Termination date: 20140822 |
|
| EXPY | Termination of patent right or utility model |