CN201592612U - Dust absorbing eraser - Google Patents
Dust absorbing eraser Download PDFInfo
- Publication number
- CN201592612U CN201592612U CN2009203526564U CN200920352656U CN201592612U CN 201592612 U CN201592612 U CN 201592612U CN 2009203526564 U CN2009203526564 U CN 2009203526564U CN 200920352656 U CN200920352656 U CN 200920352656U CN 201592612 U CN201592612 U CN 201592612U
- Authority
- CN
- China
- Prior art keywords
- dust
- shell body
- outer shell
- base plate
- box
- 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 absorbing eraser comprising an outer shell, wherein eraser hair is arranged at a base plate of the outer shell; dust absorbing holes are closely distributed on the base plate; two spacer plates are symmetrically arranged in the outer shell; the bottom, the side part and the top part of each spacer plate are closely connected with the base plate, the side wall and the top wall of the outer shell; a space between the two spacer plates is a dust absorbing area, and the cross section of the dust absorbing area becomes small from down to up; a dust absorbing fan arranged at the side wall of the outer shell and driven by a source is arranged between the spacer plates; a dust box is also arranged in the outer shell, and dust discharging tubes communicated with the dust absorbing area and the dust box are arranged on the spacer plates; and a dust outlet communicated with the dust box is arranged on the side wall of the outer shell. The utility model has simple structure, enables chalk dust not to fly anywhere to pollute air environment, and is favorable for the health of teachers and students.
Description
Technical field
The utility model relates to a kind of school supply and stationery, specifically is a kind of dust absorption blackboard eraser.
Background technology
At present, blackboard is still the requisite educational aid of classroom instruction.Employed blackboard eraser comprises plank in the school, is fixed with the panniform bristle on the plank.During use, the letter written with chalk on the blackboard is wiped in hand-held blackboard eraser wiping repeatedly on blackboard.Chalk dust under this blackboard eraser flies upward everywhere, has not only increased teacher's the respiratory tract incidence of disease, is also having a strong impact on student's health.
The utility model content
The technical problems to be solved in the utility model provides a kind of dust absorption blackboard eraser that prevents that chalk dust from flying upward everywhere.
For addressing the above problem, the dust absorption blackboard eraser that is provided comprises shell body, on the base plate of shell body snag is housed, its design feature is: be densely covered with air suction opening on the described base plate, be arranged with two space bars in the shell body, the bottom of space bar, sidepiece and top respectively with the base plate of shell body, sidewall and roof are tightly connected, space between two space bars is the dust suction district, the cross-sectional area in dust suction district is gradually little from bottom to top, be contained on the shell body sidewall and by the dust absorption fan of power drives being provided with between two space bars, in shell body, also be provided with the dust box, the dust flue that is communicated with dust suction district and dust box is housed on the space bar, and the sidewall of shell body is provided with the dust outlet that is communicated with the dust box.
After adopting said structure, in the time of need erasing the board, start dust absorption fan, dust absorption fan sucks chalk dust in the dust suction district from air suction opening, by dust flue chalk dust is entered in the dust box.The utility model is simple in structure, makes that chalk dust flies upward, the phenomenon of contaminated air environment no longer takes place everywhere, helps the health of Faculty and Students.
The roof of described shell body is provided with the transom that is communicated with the dust box, also is equipped with on the roof of shell body to stop the fly out ventilative cloth of transom of dust.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
The structural representation that Fig. 1 analyses and observe for the utility model.
The specific embodiment
Dust absorption blackboard eraser as shown in Figure 1, comprise the shell body 1 that is box-like, be densely covered with snag and air suction opening 2 on the base plate of shell body 1, snag and air suction opening 2 are crisscross arranged, be arranged with two space bars 5 in the shell body 1, the sidepiece of space bar 5 and bottom are tightly connected with the base plate and the sidewall of shell body 1 respectively, the top of space bar 5 is packed on the roof of shell body 1, forming confined space between two space bars 5 is the dust suction district, the cross-sectional area in dust suction district is gradually little from bottom to top, two space bars 5 can be provided with like this: as shown in fig. 1, the top of space bar 5 vertically is provided with, the bottom is curved; Two space bars 5 also can relative tilt setting or other set-up mode.Be provided with dust absorption fan 3 by power drives on the top in dust suction district, the rotating shaft of dust absorption fan 3 is installed on the sidewall of shell body 1 by bearing, dust absorption fan 3 is as shown in FIG. by stator, rotor be packed in epitrochanterian blade and form, its structure and principle are all prior art, do not repeat them here.In shell body 1, also be provided with dust box 8, dust box 8 is to be surrounded by the plank that is packed in shell body 1 roof and sidewall, dust box 8 is communicated with the dust suction district by dust flue 6, the sidewall of shell body 1 is provided with the dust outlet 4 that is communicated with dust box 8, and dust exports 4 places can be provided with the baffle plate (not shown) that is hinged on shell body 1 outer wall.Also be provided with the power supply holding box that holds battery in the roof inboard of shell body 1.The roof of shell body 1 is provided with the transom 7 that is communicated with dust box 8, also is equipped with on the roof of shell body 1 to stop the fly out ventilative cloth of transom 7 of dust.
Claims (2)
1. dust absorption blackboard eraser, comprise shell body (1), on the base plate of shell body (1) snag is housed, it is characterized in that: be densely covered with air suction opening (2) on the described base plate, be arranged with two space bars (5) in the shell body (1), the bottom of space bar (5), sidepiece and top respectively with the base plate of shell body (1), sidewall and roof are tightly connected, space between two space bars (5) is the dust suction district, the cross-sectional area in dust suction district is gradually little from bottom to top, be contained on shell body (1) sidewall and by the dust absorption fan (3) of power drives being provided with between two space bars (5), in shell body (1), also be provided with dust box (8), the dust flue (6) that is communicated with dust suction district and dust box (8) is housed on the space bar (5), and the sidewall of shell body (1) is provided with the dust outlet (4) that is communicated with dust box (8).
2. dust absorption blackboard eraser according to claim 1 is characterized in that: the roof of described shell body (1) is provided with the transom (7) that is communicated with dust box (8), also is equipped with on the roof of shell body (1) to stop the fly out ventilative cloth of transom (7) of dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203526564U CN201592612U (en) | 2009-12-29 | 2009-12-29 | Dust absorbing eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203526564U CN201592612U (en) | 2009-12-29 | 2009-12-29 | Dust absorbing eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201592612U true CN201592612U (en) | 2010-09-29 |
Family
ID=42774676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203526564U Expired - Fee Related CN201592612U (en) | 2009-12-29 | 2009-12-29 | Dust absorbing eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201592612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275972A (en) * | 2014-09-30 | 2015-01-14 | 丁玉清 | Dust-free blackboard eraser |
| CN108175333A (en) * | 2018-02-27 | 2018-06-19 | 江苏美的清洁电器股份有限公司 | A kind of scrubbing brush and dust catcher |
-
2009
- 2009-12-29 CN CN2009203526564U patent/CN201592612U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275972A (en) * | 2014-09-30 | 2015-01-14 | 丁玉清 | Dust-free blackboard eraser |
| CN108175333A (en) * | 2018-02-27 | 2018-06-19 | 江苏美的清洁电器股份有限公司 | A kind of scrubbing brush and dust catcher |
| CN108175333B (en) * | 2018-02-27 | 2023-10-20 | 江苏美的清洁电器股份有限公司 | Floor brush and dust collector |
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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: 20100929 Termination date: 20101229 |