CN203805588U - Dust-proof blackboard eraser - Google Patents
Dust-proof blackboard eraser Download PDFInfo
- Publication number
- CN203805588U CN203805588U CN201420089016.XU CN201420089016U CN203805588U CN 203805588 U CN203805588 U CN 203805588U CN 201420089016 U CN201420089016 U CN 201420089016U CN 203805588 U CN203805588 U CN 203805588U
- Authority
- CN
- China
- Prior art keywords
- dust
- roller
- blackboard eraser
- motor
- roller bearing
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to the field of education supplies, in particular to a dust-proof blackboard eraser. The dust-proof blackboard eraser comprises a body and a roller brush and is characterized in that the body is a box body with an opening at the upper end, the roller brush is hinged to the body opening through a roller, the roller is hollow, dust absorption holes are uniformly opened in the roller brush, and the dust absorption holes are communicated with the roller; a dust storage box is mounted in the body, a dust collector, a motor and a storage battery are mounted in the body, the dust collection hole of the dust collector is connected with one end of the roller, the dust outlet of the dust collector is connected with the dust storage box, and the motor is connected with the other end of the roller. The dust-proof blackboard eraser is simple in structure and convenient and labor saving to use, the motor drives the roller brush to rotate to erase the blackboard, the user does not need to push the blackboard eraser to erase the blackboard, and meanwhile, the dust collector absorbs the chalk powder into the dust storage box, and accordingly the chalk powder is avoided from polluting the classroom environment and easy to clean; the dust-proof blackboard eraser is suitable for being popularized broadly.
Description
(1) technical field
The utility model relates to realia field, particularly a kind of dust-proof blackboard eraser.
(2) background technology
Blackboard eraser is requisite instrument on dais, classroom, blackboard eraser in use, can produce a large amount of chalk powders, although present chalk has been much dust-free chalk, while only limiting to write, also there is minimizing dust in blackboard eraser, but the time has been grown and still had many chalk powders and overlay on blackboard eraser, or falls within the below of blackboard, cleaning is got up very unavoidably, and easily pollute classroom environment, bring harm to academics and students's health.
(3) summary of the invention
The utility model, in order to make up the deficiencies in the prior art, provides a kind of simple in structure, convenient and strength-saving dust-proof blackboard eraser.
The utility model is achieved by the following technical solution:
A kind of dust-proof blackboard eraser, comprises body and rotary broom, it is characterized in that: the box body that body is upper end open, and rotary broom is articulated with body openings place by roller bearing, and roller bearing is hollow structure, evenly has air suction opening on rotary broom, and air suction opening and roller bearing perforation; Body interior is provided with dust-collecting box, dust-collecting box one side is provided with the baffle plate that can open and close, body interior is provided with dust catcher, motor and battery, body outside is provided with switch, the suction port of dust catcher is connected with one end of roller bearing by conduit, the dust mouth of dust catcher is connected with dust-collecting box by conduit, and motor is connected with the other end of roller bearing by conveyer belt, and dust catcher, motor, battery and switch are composed in series closed-loop path.
The beneficial effects of the utility model are: the utility model is simple in structure, convenient and strength-saving, motor drives rotary broom to rotate blackboard wiping, do not need Manual-pushing blackboard eraser friction blackboard to carry out wiping, dust catcher can suck chalk powder in dust-collecting box simultaneously, both prevented from polluting classroom environment, be easy to again cleaning, be suitable for wide popularization and application.
(4) brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is schematic top plan view of the present utility model.
In figure, 1 body, 2 rotary brooms, 3 air suction openings, 4 roller bearings, 5 motor, 6 dust catchers, 7 dust-collecting box, 8 batteries, 9 baffle plates, 10 switches, 11 conduits, 12 conveyer belts.
(5) detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment comprises body 1 and rotary broom 2, it is characterized in that: the box body that body 1 is upper end open, rotary broom 2 is articulated with body 1 opening part by roller bearing 4, and roller bearing 4 is hollow structure, on rotary broom 2, evenly have air suction opening 3, and air suction opening 3 connects with roller bearing 4; Body 1 inside is provided with dust-collecting box 7, dust-collecting box 7 one sides are provided with the baffle plate 9 that can open and close, body 1 inside is provided with dust catcher 6, motor 5 and battery 8, body 1 outside is provided with switch 10, the suction port of dust catcher 6 is connected with one end of roller bearing 4 by conduit 11, the dust mouth of dust catcher 6 is connected with dust-collecting box 7 by conduit 11, and motor 5 is connected with the other end of roller bearing 4 by conveyer belt 12, and dust catcher 6, motor 5, battery 8 and switch 10 are composed in series closed-loop path.
The utility model is simple in structure, convenient and strength-saving, motor 5 drives rotary broom 2 to rotate blackboard wiping, do not need Manual-pushing blackboard eraser friction blackboard to carry out wiping, dust catcher 6 can suck chalk powder in dust-collecting box 7 simultaneously, both prevented from polluting classroom environment, be easy to again cleaning, be suitable for wide popularization and application.
Claims (1)
1. a dust-proof blackboard eraser, comprise body (1) and rotary broom (2), it is characterized in that: the box body that body (1) is upper end open, rotary broom (2) is articulated with body (1) opening part by roller bearing (4), roller bearing (4) is hollow structure, on rotary broom (2), evenly have air suction opening (3), and air suction opening (3) connects with roller bearing (4), body (1) inside is provided with dust-collecting box (7), dust-collecting box (7) one sides are provided with the baffle plate (9) that can open and close, body (1) inside is provided with dust catcher (6), motor (5) and battery (8), body (1) outside is provided with switch (10), the suction port of dust catcher (6) is connected with one end of roller bearing (4) by conduit (11), the dust mouth of dust catcher (6) is connected with dust-collecting box (7) by conduit (11), motor (5) is connected with the other end of roller bearing (4) by conveyer belt (12), dust catcher (6), motor (5), battery (8) and switch (10) are composed in series closed-loop path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089016.XU CN203805588U (en) | 2014-02-28 | 2014-02-28 | Dust-proof blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089016.XU CN203805588U (en) | 2014-02-28 | 2014-02-28 | Dust-proof blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203805588U true CN203805588U (en) | 2014-09-03 |
Family
ID=51444386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420089016.XU Expired - Fee Related CN203805588U (en) | 2014-02-28 | 2014-02-28 | Dust-proof blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203805588U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234140A (en) * | 2015-09-25 | 2016-01-13 | 重庆江北区长安产业有限公司 | Dust collection structure used for wiping device of plate glass on automobile instrument panel |
| CN113679283A (en) * | 2020-05-19 | 2021-11-23 | 江苏美的清洁电器股份有限公司 | Floor brush of dust collector and dust collector with floor brush |
-
2014
- 2014-02-28 CN CN201420089016.XU patent/CN203805588U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234140A (en) * | 2015-09-25 | 2016-01-13 | 重庆江北区长安产业有限公司 | Dust collection structure used for wiping device of plate glass on automobile instrument panel |
| CN113679283A (en) * | 2020-05-19 | 2021-11-23 | 江苏美的清洁电器股份有限公司 | Floor brush of dust collector and dust collector with floor brush |
| CN113679283B (en) * | 2020-05-19 | 2023-04-18 | 江苏美的清洁电器股份有限公司 | Floor brush of dust collector and dust collector with floor brush |
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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: 20140903 Termination date: 20150228 |
|
| EXPY | Termination of patent right or utility model |