CN201021027Y - Double surface self-cleaning blackboard eraser - Google Patents
Double surface self-cleaning blackboard eraser Download PDFInfo
- Publication number
- CN201021027Y CN201021027Y CNU2006200775148U CN200620077514U CN201021027Y CN 201021027 Y CN201021027 Y CN 201021027Y CN U2006200775148 U CNU2006200775148 U CN U2006200775148U CN 200620077514 U CN200620077514 U CN 200620077514U CN 201021027 Y CN201021027 Y CN 201021027Y
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- CN
- China
- Prior art keywords
- blackboard eraser
- box
- blackboard
- utility
- model
- 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 relates to a dual-surface self cleaning eraser, in particular to the dual-surface self cleaning eraser which realizes the dust removal and the blackboard cleaning function at the same time. The utility model utilizes the matching between a mechanism and a spring, when the felt is used to clean the blackboard, rubber pieces arranged on the periphery stop the chalk dust from the blackboard, the chalk dust is left in the box and the dust removal and the blackboard cleaning functions are realized at the same time, at last the chalk dust under the resonant vibration of the spring is gathered by the eraser box, and then the chalk dust is poured out from a dust taking opening. The utility model has the advantages of scientific design, very convenience, very health, very practicality, and very good effect.
Description
One, technical field
The utility model relates to a kind of two sides from clear blackboard eraser, on one side relate in particular to a kind of certainly clear blackboard eraser in two sides of having realized that dedusting on one side erases the board.
Two, background technology
Blackboard eraser is the important tool of classroom instruction.Its shortcoming is that chalk dust flies upward when wiping, and is very unhygienic, influences environment, must make improvements.
Three, summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art part, provides a kind of two sides from clear blackboard eraser, on one side relate in particular to a kind of certainly clear blackboard eraser in two sides of having realized that dedusting on one side erases the board.
The utility model comprises blackboard eraser box 1, felt blackboard eraser 4, it is characterized in that, in described blackboard eraser box 1, many springs 2 are installed, be fixedly connected with felt blackboard eraser 4 on many springs 2, felt blackboard eraser 4 is embedded in the blackboard eraser box 1, rubber bar 3 is installed around the opening of blackboard eraser box 1, be provided with at the bottom of the box of blackboard eraser box 1 and get ash mouth 5, get to be equipped with on the ash mouth 5 and insert door 6, the height of many springs 2 should equal the degree of depth of blackboard eraser box 1, and the length of side of felt blackboard eraser 4 should be less than 2 millimeters of the length of sides of blackboard eraser box 1.
The purpose of this utility model is achieved in that the certainly clear blackboard eraser in a kind of two sides, uses in the time of can imparting knowledge to students at school.It utilizes the cooperation of machinery and spring, the felt blackboard eraser is when erasing the board, the rubber bar of An Zhuaning has blocked the chalk dust on the blackboard all around, chalk dust has been stayed in the box, realized dedusting on one side, the effect that erases the board on one side gathers together the spring resonance chalk dust that gets off by the blackboard eraser box at last, mouthful chalk dust is got rid of and to be outwelled by getting ash again.
Four, description of drawings
Below in conjunction with drawings and Examples, further specify structure and the characteristics of the utility model two sides from clear blackboard eraser, in the accompanying drawing:
Fig. 1 is the front three-dimensional structure diagram of embodiment one of the present utility model.
As shown in Figure 1, in embodiment one of the present utility model, the two sides comprises blackboard eraser box 1, spring 2, rubber bar 3, felt blackboard eraser 4 from clear blackboard eraser.
Fig. 2 is the back side plane structure chart of embodiment one of the present utility model.
As shown in Figure 2, in embodiment one of the present utility model, the two sides comprises blackboard eraser box 1 from clear blackboard eraser, gets ash mouth 5, inserts door 6.
Five, the specific embodiment
Implement two sides of the present utility model from clear blackboard eraser, utilize the cooperation of machinery and spring, designed such two sides from clear blackboard eraser.It can remove the dust on the blackboard when erasing the board.Realized dedusting on one side, Yi Bian the effect that erases the board.By the blackboard eraser box spring resonance chalk dust that gets off is gathered together at last.By getting the ash mouth chalk dust is got rid of again.
The utility model comprises blackboard eraser box 1, and felt blackboard eraser 4 is characterized in that, in described blackboard eraser box 1, many springs 2 are installed, be fixedly connected with felt blackboard eraser 4 on many springs 2, felt blackboard eraser 4 is embedded in the blackboard eraser box 1, and rubber bar 3 is installed around the opening of blackboard eraser box 1.
The two sides that provides according to the utility model is from clear blackboard eraser, it is characterized in that being provided with at the bottom of the box of described blackboard eraser box 1 getting ash mouthfuls 5, gets to be equipped with on the ash mouthfuls 5 and inserts door 6.The height of many springs 2 should equal the degree of depth of blackboard eraser box 1.The length of side of felt blackboard eraser 4 should be less than 2 millimeters of the length of sides of blackboard eraser box 1.
Implement the utility model, can solve the problem that chalk dust flies upward when erasing the board.
The utility model design science, easily, health very, very practical, effect is fine.
Claims (4)
1. a two sides is from clear blackboard eraser, comprise blackboard eraser box (1), felt blackboard eraser (4), it is characterized in that, many springs (2) are installed in described blackboard eraser box (1), be fixedly connected with felt blackboard eraser (4) on many springs (2), felt blackboard eraser (4) is embedded in the blackboard eraser box (1), and rubber bar (3) is installed around the opening of blackboard eraser box (1).
2. two sides according to claim 1 is from clear blackboard eraser, it is characterized in that being provided with at the bottom of the box of described blackboard eraser box (1) getting ash mouthful (5), gets to be equipped with on the ash mouthful (5) and inserts door (6).
3. two sides according to claim 1 is characterized in that from clear blackboard eraser the height of described many springs (2) should equal the degree of depth of blackboard eraser box (1).
4. two sides according to claim 1 is from clear blackboard eraser, it is characterized in that the length of side of described felt blackboard eraser (4) should be less than 2 millimeters of the length of sides of blackboard eraser box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200775148U CN201021027Y (en) | 2006-09-18 | 2006-09-18 | Double surface self-cleaning blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200775148U CN201021027Y (en) | 2006-09-18 | 2006-09-18 | Double surface self-cleaning blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201021027Y true CN201021027Y (en) | 2008-02-13 |
Family
ID=39088437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200775148U Expired - Fee Related CN201021027Y (en) | 2006-09-18 | 2006-09-18 | Double surface self-cleaning blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201021027Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203796A (en) * | 2018-10-27 | 2019-01-15 | 高宏福 | A kind of closed board wiper box |
-
2006
- 2006-09-18 CN CNU2006200775148U patent/CN201021027Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203796A (en) * | 2018-10-27 | 2019-01-15 | 高宏福 | A kind of closed board wiper box |
| CN109203796B (en) * | 2018-10-27 | 2020-05-01 | 郑锡添 | Closed blackboard eraser box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |