CN202242646U - Dust collection blackboard eraser - Google Patents
Dust collection blackboard eraser Download PDFInfo
- Publication number
- CN202242646U CN202242646U CN2011204063942U CN201120406394U CN202242646U CN 202242646 U CN202242646 U CN 202242646U CN 2011204063942 U CN2011204063942 U CN 2011204063942U CN 201120406394 U CN201120406394 U CN 201120406394U CN 202242646 U CN202242646 U CN 202242646U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- dust collection
- dust
- bristle
- suction opening
- 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 collection blackboard eraser. The blackboard eraser comprises a blackboard eraser body (1) and blackboard eraser bristle (2), wherein the blackboard eraser body (1) is connected with the blackboard eraser bristle (2) through a grid plate (3); dust collection holes (9) are formed in the grid plate (3); a conical dust collection cover (4) is connected to the upper part of the blackboard eraser body (1) and communicated with the dust collection holes (9); a dust collection opening (10) is formed on the upper part of the dust collection cover (4) and connected with a dust collection device (5) which also serves as a handle in a movable mode; a dust collector (6) is arranged in the dust collection device (5); an air outlet (7) is formed on the side wall of the dust collection device (5); and a filter screen (8) is arranged on the air outlet (7). By the structure, the effects of saving time and labor, preventing chalk dust from flying everywhere and reducing influence on environmental sanitation are achieved.
Description
Technical field
The utility model relates to a kind of blackboard eraser, relates in particular to a kind of dust absorption blackboard eraser.
Background technology
When erasing the board with blackboard eraser now, chalk dust flies upward everywhere, not only wastes time and energy, and influences environmental sanitation, and is easy to sucked by human body, and the harm teacher's is healthy.
Summary of the invention
The purpose of the utility model provides a kind of time saving and energy saving, avoids chalk dust to fly upward everywhere, reduces the dust absorption blackboard eraser to the environmental sanitation influence.
The technical scheme of the utility model is a kind of dust absorption blackboard eraser, and it comprises blackboard eraser body 1, blackboard eraser bristle 2; It is characterized in that: said blackboard eraser body 1 is connected with said blackboard eraser bristle 2 through waffle slab 3; On said waffle slab 3, be provided with air suction opening 9, the top of said blackboard eraser body 1 connects taper dust collection lid 4 and is connected with said air suction opening 9, and the top of said dust collection lid 4 is provided with ash-collecting port 10; Said ash-collecting port 10 flexibly connects a double dust collection 5 of making handle; Be provided with dust catcher 6 in the said dust collection 5, the sidewall of said dust collection 5 is provided with air outlet 7, and said air outlet 7 is provided with filter screen 8.
The technical scheme of the utility model also has said waffle slab 3 to be the well shape and has protuberance 11 and recess 12, and said protuberance 11 is provided with said blackboard eraser bristle 2, and said recess 12 intervals are provided with said air suction opening 9.
It is to interconnect through screw thread that the technical scheme of the utility model also has said ash-collecting port 10 to flexibly connect a double dust collection 5 of making handle.
The technical scheme of the utility model also has the be rectangle side of its any opposite side of said blackboard eraser body 1 to be provided with dust-absorbing groove 13, is provided with water-absorbing sponge 14 in it.
The beneficial effect of the utility model is to be connected with said blackboard eraser bristle 2 through passing through waffle slab 3 at said blackboard eraser body 1, on said waffle slab 3, is provided with air suction opening 9, and the top of said blackboard eraser body 1 connects taper dust collection lid 4 and is connected with said air suction opening 9; The top of said dust collection lid 4 is provided with ash-collecting port 10, and said ash-collecting port 10 flexibly connects a double dust collection 5 of making handle, is provided with dust catcher 6 in the said dust collection 5; The sidewall of said dust collection 5 is provided with air outlet 7, and said air outlet 7 is provided with filter screen 8, during use; Open dust catcher 6; The blackboard wiping surface, the part chalk dust is inhaled in the dust collection 5 through air suction opening 9 simultaneously, and some falls into dust-absorbing groove 13; And in the absorption water-absorbing sponge 14 within it; Reached time saving and energy saving, avoided chalk dust to fly upward everywhere, reduced effect the environmental sanitation influence.
Description of drawings
Fig. 1 is the structural representation of the utility model
Fig. 2 is the upward view among Fig. 1
Among Fig. 1,21, the blackboard eraser body, 2, the blackboard eraser bristle, 3, waffle slab, 4, the dust collection lid, 5, dust collection; 6, dust catcher, 7, air outlet, 8, filter screen, 9, air suction opening, 10, ash-collecting port; 11 protuberances, 12, recess, 13, dust-absorbing groove, 14, water-absorbing sponge.
The specific embodiment
According to Fig. 1, shown in 2, the utility model relates to a kind of dust absorption blackboard eraser, and it comprises blackboard eraser body 1; Blackboard eraser bristle 2, said blackboard eraser body 1 is connected with said blackboard eraser bristle 2 through waffle slab 3, on said waffle slab 3, is provided with air suction opening 9; Said waffle slab 3 is the well shape and has protuberance 11 and recess 12, and said protuberance 11 is provided with said blackboard eraser bristle 2, and said recess 12 intervals are provided with said air suction opening 9; The top of said blackboard eraser body 1 connects taper dust collection lid 4 and is connected with said air suction opening 9, and the top of said dust collection lid 4 is provided with ash-collecting port 10, and said ash-collecting port 10 flexibly connects a double dust collection 5 of making handle; It can interconnect through screw thread, is provided with dust catcher 6 in the said dust collection 5, and the sidewall of said dust collection 5 is provided with air outlet 7; Said air outlet 7 is provided with filter screen 8; In addition, be provided with dust-absorbing groove 13, be provided with water-absorbing sponge 14 in it in the side of said blackboard eraser body 1 rectangular any opposite side; During use, open dust catcher 6, the blackboard wiping surface; Most of chalk dust is inhaled in the dust collection 5 through air suction opening 9 simultaneously; Some falls into dust-absorbing groove 13, and in the absorption water-absorbing sponge 14 within it, has reached time saving and energy saving; Avoid chalk dust to fly upward everywhere, reduce effect the environmental sanitation influence.
Claims (4)
1. dust absorption blackboard eraser; It comprises blackboard eraser body (1); Blackboard eraser bristle (2) is characterized in that: said blackboard eraser body (1) is connected with said blackboard eraser bristle (2) through waffle slab (3), on said waffle slab (3), is provided with air suction opening (9); The top of said blackboard eraser body (1) connects taper dust collection lid (4) and is connected with said air suction opening (9); The top of said dust collection lid (4) is provided with ash-collecting port (10), and said ash-collecting port (10) flexibly connects a double dust collection (5) of making handle, is provided with dust catcher (6) in the said dust collection (5); The sidewall of said dust collection (5) is provided with air outlet (7), and said air outlet (7) is provided with filter screen (8).
2. dust absorption blackboard eraser according to claim 1 is characterized in that: said waffle slab (3) is the well shape and has protuberance (11) and recess (12), and said protuberance (11) is provided with said blackboard eraser bristle (2), and said recess (12) interval is provided with said air suction opening (9).
3. according to the said dust absorption blackboard eraser of claim 1, it is characterized in that: it is through being threaded that said ash-collecting port (10) flexibly connects a double dust collection (5) of making handle.
4. according to the arbitrary described dust absorption blackboard eraser of claim 1 to 3, it is characterized in that: the be rectangle side of its any opposite side of said blackboard eraser body (1) is provided with dust-absorbing groove (13), is provided with water-absorbing sponge (14) in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204063942U CN202242646U (en) | 2011-10-11 | 2011-10-11 | Dust collection blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204063942U CN202242646U (en) | 2011-10-11 | 2011-10-11 | Dust collection blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202242646U true CN202242646U (en) | 2012-05-30 |
Family
ID=46103936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204063942U Expired - Fee Related CN202242646U (en) | 2011-10-11 | 2011-10-11 | Dust collection blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202242646U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963519A (en) * | 2014-01-01 | 2014-08-06 | 梅有智 | Electric water-spraying dust-suction blackboard eraser |
| CN104512177A (en) * | 2013-09-27 | 2015-04-15 | 昆山市玉山镇仕龙设计工作室 | Telescopic dust-free blackboard eraser |
| CN111712171A (en) * | 2018-02-08 | 2020-09-25 | 皇家飞利浦有限公司 | Vacuum cleaner nozzle |
| CN112428731A (en) * | 2020-12-15 | 2021-03-02 | 南京工业职业技术大学 | Dust-removing high-efficiency blackboard eraser |
-
2011
- 2011-10-11 CN CN2011204063942U patent/CN202242646U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512177A (en) * | 2013-09-27 | 2015-04-15 | 昆山市玉山镇仕龙设计工作室 | Telescopic dust-free blackboard eraser |
| CN103963519A (en) * | 2014-01-01 | 2014-08-06 | 梅有智 | Electric water-spraying dust-suction blackboard eraser |
| CN111712171A (en) * | 2018-02-08 | 2020-09-25 | 皇家飞利浦有限公司 | Vacuum cleaner nozzle |
| CN112428731A (en) * | 2020-12-15 | 2021-03-02 | 南京工业职业技术大学 | Dust-removing high-efficiency 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: 20120530 Termination date: 20121011 |