CN201646179U - Rotary type dust-suction blackboard eraser - Google Patents
Rotary type dust-suction blackboard eraser Download PDFInfo
- Publication number
- CN201646179U CN201646179U CN2010201890027U CN201020189002U CN201646179U CN 201646179 U CN201646179 U CN 201646179U CN 2010201890027 U CN2010201890027 U CN 2010201890027U CN 201020189002 U CN201020189002 U CN 201020189002U CN 201646179 U CN201646179 U CN 201646179U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- felt
- handgrip
- rotary type
- type 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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- Electric Vacuum Cleaner (AREA)
Abstract
The utility model discloses a rotary type dust-suction blackboard eraser comprising a casing 1, a casing cover 2 and a felt eraser 3. The rotary type dust-suction blackboard eraser is characterized in that a miniature motor 4 is arranged in the casing 1, a battery box 5 is arranged outside the casing 1, a battery 6 is arranged in the battery box 5, a battery switch 7 is arranged outside the battery box 5, a shaft of the miniature motor 4 is connected with an adjusting nut 9 after the shaft of the miniature motor 4 is connected with a dust-suction fan 8, the adjusting nut 9 is connected with an adjusting screw rod 10 of the felt eraser 3, one side of the casing cover 2 is provided with a handle 11, the handle 11 is a hollow cavity, and the lower end of the handle 11 is provided with a handle cover 12. Compared with a blackboard eraser at present, the rotary type dust-suction blackboard eraser has the advantages of convenient use, time saving and labor saving, relieves the labor strength of teachers, avoids environmental pollution and is beneficial to the physical health of the teachers and students.
Description
Technical field
The utility model relates to a kind of improvement of blackboard eraser, specifically a kind of rotary dust absorption blackboard eraser.
Background technology
At present, unit such as school, office is in teaching and training process, the blackboard eraser that uses on the blackboard of dais, generally all be to stick on the plank with felt, the hand-held plank of teacher is firmly wiped the vestige of chalk up and down, though the blackboard eraser extensive use of using now also has weak point: the one, the teacher firmly wipes chalk trace, labour intensity is big, wastes time and energy; The 2nd, the chalk foam under wiping, contaminated environment endangers the healthy of Faculty and Students.
Summary of the invention
It is a kind of simple in structure, easy to use that the purpose of this utility model is to provide, and alleviates teachers work intensity, time saving and energy saving, avoids environmental pollution, the rotary dust absorption blackboard eraser that favourable Faculty and Students are healthy.
For reaching above purpose, technical solution adopted in the utility model is: this rotary dust absorption blackboard eraser comprises: housing, case lid, felt are wiped and are formed, it is characterized in that in housing, establishing micromachine, the peripheral hardware battery case is established battery in the battery case, the peripheral hardware cell switch, miniature electrical machinery axle joins with adjusting nut after connecting dust-absorbing fan, adjusting nut is connected with the adjusting screw(rod) that felt is wiped, and establishes handgrip in a side of case lid, and handgrip is a cavity, cavity is contained the chalk foam, and the handgrip lid is established in the handgrip lower end.The utility model is also implemented by following measure: described felt is wiped, and is unimpeded for getting rid of the chalk foam, and side is established row's foam hole within it.When using the utility model, operator's right hand handle of shaking hands, left hand is opened cell switch, this moment, minitype motor driving dust-absorbing fan and felt were wiped rotation, then the felt of rotation were wiped to be attached on the blackboard, and chalk trace is wiped, chalk foam under wiping, the dust-absorbing fan that is rotated suck in the handgrip cavity, when getting rid of the chalk foam, close cell switch, dust-absorbing fan and felt are wiped and are quit work, and open the handgrip lid and pour out, when the felt wiping wears up to the housing lower edge, left-handed adjusting screw(rod) is wiped felt and is exposed the continuation use of housing lower edge.
The use the beneficial effects of the utility model are: compare with present blackboard eraser, have easy to usely, alleviate teachers work intensity, and time saving and energy saving, avoid environmental pollution, the advantage that favourable Faculty and Students are healthy.
Description of drawings
Fig. 1 cuts open schematic diagram for the utility model structure master office of looking.
The specific embodiment
Make the utility model with reference to accompanying drawing 1.This rotary dust absorption blackboard eraser, comprise housing 1, case lid 2, felt wiping 3 compositions, it is characterized in that establishing in housing 1 micromachine 4, peripheral hardware battery case 5 is established battery 6 in the battery case 5, peripheral hardware cell switch 7,4 of micromachines connect dust-absorbing fan 8 backs and join with adjusting nut 9, and adjusting nut 9 is connected with the adjusting screw(rod) 10 of felt wiping 3, establishes handgrip 11 in a side of case lid 2, handgrip 11 is a cavity, and handgrip lid 12 is established in handgrip 11 lower ends.Described felt wipes 3, and side is established row's foam hole 3a within it.
Claims (2)
1. rotary dust absorption blackboard eraser, comprise housing (1), case lid (2), felt wiping (3) composition, it is characterized in that in housing (1), establishing micromachine (4), peripheral hardware battery case (5), establish battery (6) in the battery case (5), peripheral hardware cell switch (7), micromachine (4) axle connects dust-absorbing fan (8) back and joins with adjusting nut (9), adjusting nut (9) is connected with the adjusting screw(rod) (10) that felt is wiped (3), establish handgrip (11) in a side of case lid (2), handgrip (11) is a cavity, and handgrip lid (12) is established in handgrip (11) lower end.
2. rotary dust absorption blackboard eraser according to claim 1 is characterized in that described felt wiping (3), and side is established row foam hole (3a) within it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201890027U CN201646179U (en) | 2010-05-03 | 2010-05-03 | Rotary type dust-suction blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201890027U CN201646179U (en) | 2010-05-03 | 2010-05-03 | Rotary type dust-suction blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201646179U true CN201646179U (en) | 2010-11-24 |
Family
ID=43111400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201890027U Expired - Fee Related CN201646179U (en) | 2010-05-03 | 2010-05-03 | Rotary type dust-suction blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201646179U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415945A (en) * | 2015-12-07 | 2016-03-23 | 新昌县小将镇农业综合服务公司 | Detachable environment-friendly type blackboard eraser |
| CN105856927A (en) * | 2016-06-06 | 2016-08-17 | 江苏建筑职业技术学院 | Dust collection erasing board and using method |
| CN111452544A (en) * | 2020-04-23 | 2020-07-28 | 宁波禹瑞科技咨询有限公司 | Blackboard cleaning structure and installation equipment thereof |
-
2010
- 2010-05-03 CN CN2010201890027U patent/CN201646179U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415945A (en) * | 2015-12-07 | 2016-03-23 | 新昌县小将镇农业综合服务公司 | Detachable environment-friendly type blackboard eraser |
| CN105856927A (en) * | 2016-06-06 | 2016-08-17 | 江苏建筑职业技术学院 | Dust collection erasing board and using method |
| CN105856927B (en) * | 2016-06-06 | 2017-09-22 | 江苏建筑职业技术学院 | Dust absorbing eraser letter stencil and application method |
| CN111452544A (en) * | 2020-04-23 | 2020-07-28 | 宁波禹瑞科技咨询有限公司 | Blackboard cleaning structure and installation equipment thereof |
| CN111452544B (en) * | 2020-04-23 | 2021-07-09 | 宁波禹瑞科技咨询有限公司 | Blackboard cleaning structure |
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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: 20101124 Termination date: 20110503 |