CN203093537U - Dustproof blackboard eraser - Google Patents
Dustproof blackboard eraser Download PDFInfo
- Publication number
- CN203093537U CN203093537U CN 201320075392 CN201320075392U CN203093537U CN 203093537 U CN203093537 U CN 203093537U CN 201320075392 CN201320075392 CN 201320075392 CN 201320075392 U CN201320075392 U CN 201320075392U CN 203093537 U CN203093537 U CN 203093537U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- water
- plate
- plate body
- dustproof
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to the technical field of teaching tools, in particular to a dustproof blackboard eraser. The dustproof blackboard eraser comprises a plate 1 and is characterized in that the plate 1 of the blackboard eraser is provided with a water storage bin 5 which is connected with a water absorbing layer 6, the water absorbing layer 6 is connected with bristles 7, the periphery of the lower end of the plate 1 is fixedly connected with a dust baffling plate 8, the back of the plate 1 is provided with a hand grip 2 and a water filling hole 4, and a telescopic handle 3 is installed at one end of the hand grip 1. The dustproof blackboard eraser has the advantages of being simple in structure, safe to use, easy to popularize, good in dustproof effect, and beneficial to physical and psychological health of teachers and students.
Description
Technical field
The utility model relates to the teaching aid technical field, is a kind of dust-proof blackboard eraser specifically.
Background technology
Blackboard eraser is the requisite a kind of the most frequently used teaching aid of teachers ' teaching process, the chalk dust that teacher or student are produced in wiping the examination process disperses everywhere, have a strong impact on teachers and students' physical and mental health, also have primary grades or student of short and small stature to be difficult to the word on blackboard top is wiped clean, so just need stand in stool and erase the board, exist unsafe factor.
Summary of the invention
The purpose of this utility model is for overcoming the deficiency of present technology, providing a kind of simple in structure, and is dustproof safely, a kind of dust-proof blackboard eraser easy to use.
The utility model is achieved in that a kind of dust-proof blackboard eraser, comprise plate body, it is characterized in that described blackboard eraser plate body is provided with water storehouse, water storehouse connects water accepting layer, water accepting layer connects snag, fixedly connected dust board around its plate body lower end, the back side of described blackboard eraser plate body is provided with handgrip and water injection hole, and an end of handgrip is provided with Telescopic handle.
The utility model has the advantages that: simple in structure, safe in utilization, be easy to promote, and also good dustproof effect, useful teachers and students' physical and mental health.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1, plate body; 2, handgrip; 3, Telescopic handle; 4, water injection hole; 5, water storehouse; 6, water accepting layer; 7, snag; 8, dust board.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of dust-proof blackboard eraser as shown in Figure 1, comprise plate body 1, it is characterized in that described blackboard eraser plate body 1 is provided with water storehouse 5, water storehouse 5 connects water accepting layer 6 by connecting plate, connecting plate is provided with the infiltration hole, and water accepting layer 6 connects snag 7, fixedly connected dust board 8 around plate body 1 lower end, described plate body 1 back side is provided with handgrip 2 and water injection hole 4, and an end of handgrip 1 is provided with Telescopic handle 3.When using the utility model, water injection hole 4 by the blackboard eraser plate body back side adds water storehouse 5 with water earlier, and the water in the water storehouse 5 is seeped into water accepting layer 6 by the infiltration hole, and the water in the water accepting layer 6 can make the snag 7 of connection moistening, just chalk dust can not occur when erasing the board like this, flies upward everywhere.When the short and small student of health uses blackboard eraser, can extract Telescopic handle 3 out, be easy to like this blackboard top letter written with chalk is wiped clean.
Claims (1)
1. dust-proof blackboard eraser, comprise plate body (1), it is characterized in that: described blackboard eraser plate body (1) is provided with water storehouse (5), and water storehouse (5) connects water accepting layer (6), water accepting layer (6) connects snag (7), fixedly connected dust board (8) around plate body (1) lower end; The back side of described blackboard eraser plate body (1) is provided with handgrip (2) and water injection hole (4), and an end of handgrip (2) is provided with Telescopic handle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075392 CN203093537U (en) | 2013-01-26 | 2013-01-26 | Dustproof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320075392 CN203093537U (en) | 2013-01-26 | 2013-01-26 | Dustproof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203093537U true CN203093537U (en) | 2013-07-31 |
Family
ID=48844968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320075392 Expired - Fee Related CN203093537U (en) | 2013-01-26 | 2013-01-26 | Dustproof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203093537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139620A (en) * | 2017-07-04 | 2017-09-08 | 无锡市南长街小学 | A kind of telescopic sanitary type blackboard eraser |
-
2013
- 2013-01-26 CN CN 201320075392 patent/CN203093537U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139620A (en) * | 2017-07-04 | 2017-09-08 | 无锡市南长街小学 | A kind of telescopic sanitary type blackboard eraser |
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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: 20130731 Termination date: 20140126 |