CN205395563U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN205395563U CN205395563U CN201620130124.6U CN201620130124U CN205395563U CN 205395563 U CN205395563 U CN 205395563U CN 201620130124 U CN201620130124 U CN 201620130124U CN 205395563 U CN205395563 U CN 205395563U
- Authority
- CN
- China
- Prior art keywords
- filling block
- cavity
- fixing groove
- dust cover
- dust
- 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 utility model discloses a blackboard eraser, including body, dust cover, filling block and clearing cloth, one side of body is equipped with the fixed slot, and the filling block is located in the fixed slot, the border of clearing cloth is located between fixed slot and the filling block, clearing cloth cladding filling block, the dust cover becomes the loudspeaker form, and the dustproof envelope of hood is established on the body, on the body with one side that the fixed slot is relative is equipped with first cavity, is equipped with wet hair piece of cloth in the first cavity, and the opening part of first cavity is equipped with the spout, is equipped with first sliding closure in the spout. The utility model discloses a blackboard eraser is through setting up the dust cover, and in the use, the dust of production can be blockked by the dust cover, can effectually prevent that the dust from flying upward, so the environment around can improving prevents the environment around the dust pollution, the clothes of making dirty. And this internal wet hair piece of cloth that is equipped with in case of necessity, can use wet hair piece of cloth to wipe the writing on the blackboard, so also can not no powder.
Description
Technical field
This utility model relates to apparatus field, classroom, particularly relates to a kind of blackboard eraser.
Background technology
Blackboard eraser is the instrument that classroom is common, with the writing of chalk-writing on erasing blackboard, can produce substantial amounts of dust in erase process, and dust is easy to stick on clothes, skin and desk, even easily sucks in lung, causes respiratory tract disease.Therefore, the dust produced when reducing writing on erasing blackboard becomes problem demanding prompt solution.
Utility model content
The purpose of this utility model is in that, it is provided that a kind of blackboard eraser, it is possible to the dust produced when effectively reducing the writing on erasing blackboard, thus optimizing the environment of surrounding, reduces the sickness rate of respiratory tract disease.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that:
A kind of blackboard eraser, including body, dust cover, filling block and wiper, the side of body is provided with fixing groove, and filling block is positioned at described fixing groove, and the edge of wiper is between fixing groove and filling block, and wiper is coated with filling block；Dust cover becomes horn-like, and dust cover is sheathed on the body；Side relative with described fixing groove on body is provided with the first cavity, is provided with wet towel in the first cavity, and the opening part of the first cavity is provided with chute, is provided with the first slip lid in chute.Wiper is fixed by the extruding of filling block and fixing groove, wiper convenient disassembly, it is simple to change.
In aforesaid a kind of blackboard eraser, side relative with described fixing groove on body is provided with the second cavity, and the opening part of the second cavity is provided with chute, is provided with the second slip lid in the chute at the second cavity hatch place.Second cavity is for chalk end too short, that can not be continuing with after depositing use, in order to unified collection, recycles.
In aforesaid a kind of blackboard eraser, filling block becomes T-shaped, and one end that filling block is less is positioned at described fixing groove, and filling block is elastomeric material, and filling block and described fixing groove interference fit, filling block and described fixing groove extrude described wiper.
Compared with prior art, blackboard eraser of the present utility model is by arranging dust cover, in use, the dust produced can be stopped by dust cover, it is possible to effectively prevents dust from flying, it is possible to improves environment around, prevent the environment around dust pollution, clothes of making dirty.And basis is internal is provided with wet towel, if desired, it is possible to use the writing on wet towel erasing blackboard, so without producing dust.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present utility model；
Fig. 2 is the top view of a kind of embodiment of the present utility model.
Accompanying drawing labelling: 1-wiper, 2-filling block, 3-the first cavity, 4-the first slip lid, 5-wet towel, 6-the second slip lid, 7-the second cavity, 8-body, 9-fixes groove, 10-dust cover.
Below in conjunction with the drawings and specific embodiments, this utility model is further described.
Detailed description of the invention
Embodiment of the present utility model: as depicted in figs. 1 and 2, a kind of blackboard eraser, including body 8, dust cover 10, filling block 2 and wiper 1, the side of body 8 is provided with fixing groove 9, filling block 2 is positioned at described fixing groove 9, the edge of wiper 1 is between fixing groove 9 and filling block 2, and wiper 1 is coated with filling block 2；Dust cover 10 one-tenth is horn-like, and dust cover 10 is set on described body 8；Side relative with described fixing groove 9 on body 8 is provided with the first cavity 3, is provided with wet towel 5 in the first cavity 3, and the opening part of the first cavity 3 is provided with chute, is provided with the first slip lid 4 in chute.
Side relative with described fixing groove 9 on body 8 is provided with the second cavity 7, and the opening part of the second cavity 7 is provided with chute, is provided with the second slip lid 6 in the chute of the second cavity 7 opening part.First cavity 3 and the second cavity 7 all adopt the slip lid of chute-type, it is possible to convenient unlatching, and sealing property is better.
Filling block 2 one-tenth is T-shaped, and one end that filling block 2 is less is positioned at described fixing groove 9, and filling block 2 is elastomeric material, filling block 2 and described fixing groove 9 interference fit, and filling block 2 and described fixing groove 9 extrude described wiper 1.
The operation principle of a kind of embodiment of the present utility model: when using blackboard eraser of the present utility model, first dust cover 10 conflicts blackboard, owing to dust cover 10 adopts elastomeric material to be made, so certain deformation can be produced, dust cover 10 after deformation is higher with the laminating of blackboard, the dust produced all can concentrate in dust cover 10, it is possible to effectively prevent dust from flying.
Claims (3)
1. a blackboard eraser, it is characterized in that, including body (8), dust cover (10), filling block (2) and wiper (1), the side of body (8) is provided with fixing groove (9), filling block (2) is positioned at described fixing groove (9), the edge of wiper (1) is positioned between fixing groove (9) and filling block (2), wiper (1) cladding filling block (2)；Dust cover (10) becomes horn-like, and dust cover (10) is set on described body (8)；The upper side relative with described fixing groove (9) of body (8) is provided with the first cavity (3), wet towel (5) it is provided with in first cavity (3), the opening part of the first cavity (3) is provided with chute, is provided with the first slip lid (4) in chute.
2. a kind of blackboard eraser according to claim 1, it is characterized in that, the upper side relative with described fixing groove (9) of body (8) is provided with the second cavity (7), the opening part of the second cavity (7) is provided with chute, is provided with the second slip lid (6) in the chute of the second cavity (7) opening part.
3. a kind of blackboard eraser according to claim 2, it is characterized in that, filling block (2) becomes T-shaped, one end that filling block (2) is less is positioned at described fixing groove (9), filling block (2) is elastomeric material, filling block (2) and described fixing groove (9) interference fit, filling block (2) and described fixing groove (9) extrude described wiper (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130124.6U CN205395563U (en) | 2016-02-19 | 2016-02-19 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130124.6U CN205395563U (en) | 2016-02-19 | 2016-02-19 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205395563U true CN205395563U (en) | 2016-07-27 |
Family
ID=56449100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620130124.6U Expired - Fee Related CN205395563U (en) | 2016-02-19 | 2016-02-19 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205395563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973460A (en) * | 2018-07-23 | 2018-12-11 | 唐佳怡 | height-adjustable type dust-proof blackboard eraser |
-
2016
- 2016-02-19 CN CN201620130124.6U patent/CN205395563U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973460A (en) * | 2018-07-23 | 2018-12-11 | 唐佳怡 | height-adjustable type dust-proof blackboard eraser |
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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: 20160727 Termination date: 20170219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |