CN201712365U - Dust-proof blackboard eraser - Google Patents
Dust-proof blackboard eraser Download PDFInfo
- Publication number
- CN201712365U CN201712365U CN2010200494329U CN201020049432U CN201712365U CN 201712365 U CN201712365 U CN 201712365U CN 2010200494329 U CN2010200494329 U CN 2010200494329U CN 201020049432 U CN201020049432 U CN 201020049432U CN 201712365 U CN201712365 U CN 201712365U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- main body
- wiping
- column structure
- 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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Abstract
The utility model discloses a dust-proof blackboard eraser, belonging to teaching tools, which comprises a blackboard eraser main body. wiping materials, a split joint apparatus, flexible materials, a column structure, a dust box and a hand-held apparatus, flexible materials are sticked at the peripheral of the blackboard eraser main body, the split joint structure and the column structure are provided inside of the blackboard eraser main body, depressed structures are provided at two sides of the ash box and are split jointed with the column structure, a depressed structure I and a depressed structure II which are anastomotic with human fingers are arranged at two sides of the hand-held apparatus. The blackboard eraser can effectively prevent the overflowing and flying of the chalk dusts and can ensure the cleaning of the classroom environment and the health of the teacher; the wiping materials can be replaceable for being used; moreover, the hand-held apparatus also can effectively prevent the blackboard eraser from flying out during wiping.
Description
Technical field:
The utility model relates to a kind of educational aid, especially a kind of blackboard eraser.
Background technology:
At present, widely used blackboard eraser is a platy structure, and it is to constitute by being fixed on cleaning materials such as felt on plank or the metal material or sponge.Therefore the blackboard eraser of this structure does not have protector, can produce the dust that flies upward in wiping process, has not only polluted classroom environment but also has a strong impact on the healthy of teacher; In addition, the blackboard eraser of this shape is not easy grasping, slips out of the hand easily in wiping process.
The utility model content:
At the above-mentioned defective that exists in the prior art, the utility model aims to provide a kind ofly to be convenient to clean, grasping easily, can to prevent the dust-proof blackboard eraser of dust from flying.
Blackboard eraser of the present utility model comprises blackboard eraser main body, Wiping material, splicing apparatus, soft material, column structure, grey box and holds device.The periphery of described blackboard eraser main body is stained with soft material, and the inside of blackboard eraser main body is provided with splicing construction, and it splices mutually with splicing apparatus; Described Wiping material and splicing apparatus stick together; Described column structure is vertical at the inner lower of blackboard eraser main body; Described grey box both sides have sunk structure, splice mutually with column structure; The described device of holding is located at blackboard eraser main body outer surface top, and its both sides are provided with sunk structure I and sunk structure II, matches with people's finger.
The beneficial effects of the utility model are: the soft material of (1) blackboard eraser main body periphery can prevent escaping, flying upward of dust effectively, guarantees the cleaning of classroom environment and teacher's health; (2) the grey box of blackboard eraser and Wiping material can dismounting, and the replaceable use of Wiping material, can simple cleaning work and use; (3) the sunk structure I and the sunk structure II that match with finger of holding that the device both sides are provided with can prevent the situation that blackboard eraser is slipped out of the hand in the wiping process effectively.
Description of drawings:
Fig. 1 is a upward view of the present utility model;
Fig. 2 is the A-A profile among Fig. 1;
Fig. 3 is a left side view of the present utility model;
Fig. 4 is a right side view of the present utility model.
The specific embodiment:
The utility model will be further described below in conjunction with accompanying drawing.
As shown in the figure, dust-proof blackboard eraser mainly contains Wiping material 1, soft material 2, grey box 3, column structure 4, blackboard eraser main body 5, splicing apparatus 6, sunk structure I 7, holds device 8, sunk structure II 9 and splicing construction 10 constitute.
Described blackboard eraser main body 5 inside are provided with splicing construction 10; Described soft material 2 is bonded in the periphery of blackboard eraser main body 5; Describedly hold the top that device 8 is located at blackboard eraser main body 5 outer surfaces, its both sides are provided with the sunk structure I 7 that matches with the staff thumb and four refer to the sunk structure II 9 that matches with other; Described grey box 3 splices mutually with the vertical column structure 4 of blackboard eraser main body 5 inner lower; Described splicing apparatus 6 is mutually bonding with Wiping material 1, and splices mutually with splicing construction 10.
During use, the teacher grasps and holds device 8, Wiping material 1 is contacted with the blackboard plane wipe and up and down or move left and right, the writing on the blackboard can be wiped.Chalk dust not outwards loss in a large number owing to stopping of soft material 2, and fall into grey box 3.After wiping finishes, ash box 3 can directly disassemble and outwell the chalk dust of the inside, and in addition, splicing apparatus 6 and Wiping material 1 also can directly disassemble cleaning, meanwhile, blackboard eraser main body 5 can be spliced clean Wiping material 1 and splicing apparatus 6 continuation uses again again.
Claims (5)
1. a dust-proof blackboard eraser comprises blackboard eraser main body (5) and Wiping material (1), it is characterized in that, described blackboard eraser also includes splicing apparatus (6), soft material (2), column structure (4), grey box (3) and holds device (8).
2. dust-proof blackboard eraser according to claim 1 is characterized in that, described soft material (2) is bonded at blackboard eraser main body (5) periphery.
3. dust-proof blackboard eraser according to claim 1 is characterized in that, blackboard eraser main body (5) inside is provided with splicing construction (10).
4. dust-proof blackboard eraser according to claim 1 is characterized in that, described grey box (3) splices mutually with column structure (4).
5. dust-proof blackboard eraser according to claim 1 is characterized in that, described device (8) both sides of holding are provided with sunk structure I (7) and the sunk structure II (9) that the finger with the people matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200494329U CN201712365U (en) | 2010-01-07 | 2010-01-07 | Dust-proof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200494329U CN201712365U (en) | 2010-01-07 | 2010-01-07 | Dust-proof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201712365U true CN201712365U (en) | 2011-01-19 |
Family
ID=43458364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200494329U Expired - Fee Related CN201712365U (en) | 2010-01-07 | 2010-01-07 | Dust-proof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201712365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357251A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of dust-proof blackboard eraser |
-
2010
- 2010-01-07 CN CN2010200494329U patent/CN201712365U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357251A (en) * | 2018-01-26 | 2018-08-03 | 上海市格致中学 | A kind of dust-proof 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: 20110119 Termination date: 20120107 |