CN203888486U - Blackboard eraser for teaching - Google Patents
Blackboard eraser for teaching Download PDFInfo
- Publication number
- CN203888486U CN203888486U CN201420285201.6U CN201420285201U CN203888486U CN 203888486 U CN203888486 U CN 203888486U CN 201420285201 U CN201420285201 U CN 201420285201U CN 203888486 U CN203888486 U CN 203888486U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust
- eraser body
- wiping
- blackboard
- 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 blackboard eraser for teaching. The blackboard eraser for teaching comprises a blackboard eraser body and a wiping handle, wherein wiping cloth adheres to the lower portion of the blackboard eraser body, a dust suction pipe is arranged on one side of the blackboard eraser body, a blade idler wheel and a plurality of blades are arranged in the blackboard eraser body, a horn-shaped dust guiding plate is arranged in the blackboard eraser body and is located below the blade idler wheel, a dust outlet of the dust guiding plate is located inside a dust collection box, an air outlet pipe is arranged on one side of the dust collection box, and a dust filtering screen is arranged at the position of an air inlet, located inside the dust collection box, of the air outlet pipe. According to the blackboard eraser for teaching, the structure is simple, the design is reasonable, the wiping cloth can be replaced, washed and then used repeatedly, in this way, use cost is reduced, the environment is protected, wiping and dust collection can be achieved at the same time when the blackboard eraser is used for wiping of a blackboard, and injuries, caused by dust, to the bodies of students and teachers are relieved.
Description
Technical field
the utility model relates to field of Educational Technology, relates in particular to a kind of blackboard eraser of the use of imparting knowledge to students.
Background technology
the use of blackboard eraser in teaching is very extensive, at present conventional wiping blackboard structure is simple, general rectangular structure, current blackboard eraser is just whole discarded after long-time use, so just caused the waste of resource, blackboard eraser can produce a large amount of dust in wiping process simultaneously, all can damage like this to teacher, student.Therefore,, for addressing the above problem, spy provides a kind of new technical scheme.
Utility model content
the purpose of this utility model is in order to overcome the deficiencies in the prior art, and a kind of blackboard eraser of the use of imparting knowledge to students is provided.
the utility model is to be achieved through the following technical solutions:
a kind of blackboard eraser of the use of imparting knowledge to students, comprise blackboard eraser body, wiping handle, the below of described blackboard eraser body is pasted with cleaning wiping cloth, one side of described blackboard eraser body is provided with sweep-up pipe, blackboard eraser body interior is provided with blade roller and several blades, the below that described blackboard eraser body interior is positioned at blade roller is provided with trumpet-shaped dust-leading board, the dust mouth of described dust-leading board is positioned at the inside of dust-collecting box, one side of described dust-collecting box is provided with discharge pipe, and the air intake vent place that described discharge pipe is positioned at the inside of dust-collecting box is provided with dust-filtering net.
as preferably, the curved structure of described sweep-up pipe.
as preferably, the curved structure of described blade, and be evenly arranged on blade roller.
as preferably, described dust-filtering net is connected with the inner thread of discharge pipe.
compared with prior art, the beneficial effects of the utility model are: the utility model is simple in structure, reasonable in design, the utility model, by be provided with cleaning wiping cloth below blackboard eraser body, after blackboard eraser wiping a period of time, only need to be changed cleaning wiping cloth, cleaning wiping cloth is cleaned to recycling, and do not need to change blackboard eraser integral body, save like this use cost, and protected environment; By sweep-up pipe, blade, dust-collecting box and discharge pipe are set, when blackboard eraser is in to the process of blackboard-cleaning, can realize wiping limit, limit dust adsorption, thereby reduced dust, student is also had to teacher's actual bodily harm.
Accompanying drawing explanation
fig. 1 is structural representation of the present utility model.
in figure: 1. blackboard eraser body; 2. wiping handle; 3. cleaning wiping cloth; 4. sweep-up pipe; 5. blade roller; 6. blade; 7. dust-leading board; 8. dust-collecting box; 9. discharge pipe; 10. dust-filtering net.
The specific embodiment
in order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
refer to Fig. 1, a kind of blackboard eraser of the use of imparting knowledge to students, comprise blackboard eraser body 1, wiping handle 2, the below of described blackboard eraser body 1 is pasted with cleaning wiping cloth 3, one side of described blackboard eraser body 1 is provided with sweep-up pipe 4, the curved structure of described sweep-up pipe 4, like this entrance of sweep-up pipe 4 is pressed close to blackboard, the dust of being convenient to producing absorbs in time, blackboard eraser body 1 inside is provided with blade roller 5 and several blades 6, the curved structure of described blade 6, and be evenly arranged on blade roller 5, can guarantee so the needed wind-force of dust adsorption, the below that described blackboard eraser body 1 inside is positioned at blade roller 5 is provided with trumpet-shaped dust-leading board 7, the dust mouth of described dust-leading board 7 is positioned at the inside of dust-collecting box 8, one side of described dust-collecting box 8 is provided with discharge pipe 9, the air intake vent place that described discharge pipe 9 is positioned at the inside of dust-collecting box 8 is provided with dust-filtering net 10, described dust-filtering net 10 is connected with the inner thread of discharge pipe 9, be convenient to like this dust-filtering net 10 to clear up.
its specific embodiment is: when using blackboard eraser blackboard wiping, open the micro-machine of driven vane roller 5, rotation with moving vane 6 produces suction, dust is imported in dust-collecting box 8, dust after absorption is by under dust-filtering net 10 gears, and the air after filtration is discharged from discharge pipe 9, completes dust suction process, and after the long-time use of blackboard eraser, as long as cleaning wiping cloth 3 is torn cleaned and changed.
the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. the blackboard eraser of the use of imparting knowledge to students, comprise blackboard eraser body (1), wiping handle (2), it is characterized in that: the below of described blackboard eraser body (1) is pasted with cleaning wiping cloth (3), one side of described blackboard eraser body (1) is provided with sweep-up pipe (4), blackboard eraser body (1) inside is provided with blade roller (5) and several blades (6), the below that described blackboard eraser body (1) inside is positioned at blade roller (5) is provided with trumpet-shaped dust-leading board (7), the dust mouth of described dust-leading board (7) is positioned at the inside of dust-collecting box (8), one side of described dust-collecting box (8) is provided with discharge pipe (9), the air intake vent place that described discharge pipe (9) is positioned at the inside of dust-collecting box (8) is provided with dust-filtering net (10).
2. the blackboard eraser of a kind of use of imparting knowledge to students according to claim 1, is characterized in that: the curved structure of described sweep-up pipe (4).
3. the blackboard eraser of a kind of use of imparting knowledge to students according to claim 1, is characterized in that: the curved structure of described blade (6), and be evenly arranged on blade roller (5).
4. the blackboard eraser of a kind of use of imparting knowledge to students according to claim 1, is characterized in that: described dust-filtering net (10) is connected with the inner thread of discharge pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285201.6U CN203888486U (en) | 2014-05-30 | 2014-05-30 | Blackboard eraser for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285201.6U CN203888486U (en) | 2014-05-30 | 2014-05-30 | Blackboard eraser for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203888486U true CN203888486U (en) | 2014-10-22 |
Family
ID=51714932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420285201.6U Expired - Fee Related CN203888486U (en) | 2014-05-30 | 2014-05-30 | Blackboard eraser for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203888486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112804474A (en) * | 2020-12-31 | 2021-05-14 | 安徽科朗电子科技有限公司 | Dull and stereotyped all-in-one of meeting based on dustproof construction |
-
2014
- 2014-05-30 CN CN201420285201.6U patent/CN203888486U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112804474A (en) * | 2020-12-31 | 2021-05-14 | 安徽科朗电子科技有限公司 | Dull and stereotyped all-in-one of meeting based on dustproof construction |
| CN112804474B (en) * | 2020-12-31 | 2023-09-12 | 安徽科朗电子科技有限公司 | Conference flat-plate all-in-one machine based on dustproof structure |
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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: 20141022 Termination date: 20150530 |
|
| EXPY | Termination of patent right or utility model |