CN203427495U - Negative pressure dust collection environment-friendly blackboard - Google Patents
Negative pressure dust collection environment-friendly blackboard Download PDFInfo
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- CN203427495U CN203427495U CN201320591375.0U CN201320591375U CN203427495U CN 203427495 U CN203427495 U CN 203427495U CN 201320591375 U CN201320591375 U CN 201320591375U CN 203427495 U CN203427495 U CN 203427495U
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- dust
- blackboard
- negative pressure
- collecting cavity
- dust collection
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Abstract
The utility model discloses a negative pressure dust collection environment-friendly blackboard which comprises a blackboard body, wherein a dust collection cavity is arranged at the rear part of the blackboard body; a dust collection through hole communicated with the dust collection cavity is formed in the blackboard body; the dust collection cavity is connected with an air guidance exhaust fan; the air guidance exhaust fan is connected with a control switch button mounted on the lateral part of the blackboard body; the air guidance exhaust fan is connected with a dust removal cavity; a sealing end cover is movably mounted on the dust removal cavity. The negative pressure dust collection environmentally friendly blackboard can adsorb chalk dust generated when words are written down on the blackboard or the blackboard is wiped, so that the dust is prevented from floating in the air, the environment is protected and kept clean, teachers and students are prevented from inhaling the dust into lungs to cause diseases, and teachers and students are kept healthy.
Description
Technical field
The utility model relates to a kind of file apparatus, relates in particular to a kind of the aspiration of negative pressure environment friendly blackboard.
Background technology
At present, in teaching process, use blackboard and chalk as educational aid, in write with chalk word or the process that erases the board, be attended by the dust of chalk, dust from flying swims in air, severe contamination environment, by academics and students, be drawn in lung, easily diseases induced, harm academics and students's is healthy, especially, for the student who is in adolescence growth, endangers extremely serious.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of dust that can be adsorbed on the chalk producing when writing or erasing the board on blackboard; avoid dust to swim in air; both can protection of the environment; make clean environment clean; also avoid academics and students that dust is sucked in lung diseases induced; academics and students is healthy in protection, guarantees student's normal study, the aspiration of negative pressure environment friendly blackboard of growth.
For solving the problems of the technologies described above, the technical solution of the utility model is: the aspiration of negative pressure environment friendly blackboard, comprise blackboard body, the rear portion of described blackboard body is provided with dust-collecting cavity, described blackboard body is provided with the dust suction through hole being communicated with described dust-collecting cavity, and described dust-collecting cavity is connected with water conservancy diversion exhaust blower, and described water conservancy diversion exhaust blower is connected with the gauge tap button that is arranged on described blackboard body sidepiece, described water conservancy diversion exhaust blower is connected with dedusting chamber, and described dedusting chamber is movably installed with end cover.
As preferred technical scheme, the downside of described blackboard body portion is provided with the groove that gathers dust, described in the bottom portion of groove that gathers dust be provided with the described dust suction through hole being communicated with described dust-collecting cavity.
As the improvement to technique scheme, described in the double article putting groove of doing of groove that gathers dust.
As the further improvement to technique scheme, the exit that described dust suction through hole is communicated with described dust-collecting cavity is provided with protruding in the anti-reverse hemisphere film of described dust-collecting cavity, and described anti-reverse hemisphere film is provided with cross type cut.
Owing to having adopted technique scheme, the aspiration of negative pressure environment friendly blackboard, comprise blackboard body, the rear portion of described blackboard body is provided with dust-collecting cavity, described blackboard body is provided with the dust suction through hole being communicated with described dust-collecting cavity, and described dust-collecting cavity is connected with water conservancy diversion exhaust blower, and described water conservancy diversion exhaust blower is connected with the gauge tap button that is arranged on described blackboard body sidepiece, described water conservancy diversion exhaust blower is connected with dedusting chamber, and described dedusting chamber is movably installed with end cover.While producing dust when writing on blackboard with chalk or erasing the board; open described gauge tap button; described water conservancy diversion exhaust blower rotates; make to produce negative pressure in described dust-collecting cavity, from described dust suction through hole, to described dust-collecting cavity, produce air flow, thus by blackboard surface and near the dust of chalk from dust-collecting cavity described in the inspiration of described dust suction through hole; enter into again described dedusting chamber; avoid dust to swim in air, protection of the environment, academics and students is healthy in protection.Use after a period of time, open described end cover, inspiration the dust that overstocks the chalk in described dedusting chamber are taken out.The opening that described dust suction through hole is positioned on described blackboard body is tiny, avoids affecting the use of blackboard.The dust of the chalk producing when the utility model can be adsorbed on and write or erase the board on blackboard; avoid dust to swim in air; both can protection of the environment; make clean environment clean; also avoid academics and students that dust is sucked in lung diseases induced; academics and students is healthy in protection, guarantees student's normal study, growth.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the cutaway view of the utility model embodiment.
In figure: 1-blackboard body; 2-laying dust chamber; 3-dust suction through hole; 4-water conservancy diversion exhaust blower; 5-gauge tap button; 6-dedusting chamber; 7-end cover; The 8-groove that gathers dust; The anti-reverse hemisphere film of 9-.
The specific embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation, some one exemplary embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that not departing from spirit and scope of the present utility model, can to described embodiment, revise by various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection domain of claim.
As depicted in figs. 1 and 2, the aspiration of negative pressure environment friendly blackboard, comprise blackboard body 1, the rear portion of described blackboard body 1 is provided with dust-collecting cavity 2, described blackboard body 1 is provided with the dust suction through hole 3 being communicated with described dust-collecting cavity 2, and described dust-collecting cavity 2 is connected with water conservancy diversion exhaust blower 4, and described water conservancy diversion exhaust blower 4 is connected with the gauge tap button 5 that is arranged on described blackboard body 1 sidepiece, described water conservancy diversion exhaust blower 4 is connected with dedusting chamber 6, and described dedusting chamber 6 is movably installed with end cover 7.While producing dust when writing on blackboard with chalk or erasing the board; open described gauge tap button 5; described water conservancy diversion exhaust blower 4 rotates; make the interior generation negative pressure of described dust-collecting cavity 2, from described dust suction through hole 3, to described dust-collecting cavity 2, produce air flows, thus by blackboard surface and near the dust of chalk from dust-collecting cavity 2 described in described dust suction through hole 3 inspirations; enter into again described dedusting chamber; avoid dust to swim in air, protection of the environment, academics and students is healthy in protection.Use after a period of time, open described end cover 7, inspiration the dust that overstocks the chalk in described dedusting chamber 6 are taken out.The opening that described dust suction through hole 3 is positioned on described blackboard body 1 is tiny, avoids affecting the use of blackboard.The dust of the chalk producing when the present embodiment can be adsorbed on and write or erase the board on blackboard; avoid dust to swim in air; both can protection of the environment; make clean environment clean; also avoid academics and students that dust is sucked in lung diseases induced; academics and students is healthy in protection, guarantees student's normal study, growth.
The downside of described blackboard body 1 front portion is provided with the groove 8 that gathers dust, described in groove 8 bottoms of gathering dust be provided with the described dust suction through hole 3 being communicated with described dust-collecting cavity 2.Can effectively prevent that dust from dropping to the ground, by dust-collecting cavity 2 described in dust inspiration.
The double article putting groove of doing of the described groove 8 that gathers dust.The described groove 8 that gathers dust also can be placed blackboard eraser or chalk, easy to use.
The exit that described dust suction through hole 3 is communicated with described dust-collecting cavity 2 is provided with protruding in the anti-reverse hemisphere film 9 of described dust-collecting cavity 2, and described anti-reverse hemisphere film 9 is provided with cross type cut.Effectively prevent that the dust adverse current in described dust-collecting cavity 2 from going out from described dust suction through hole 3, guarantee normal use.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the aspiration of negative pressure environment friendly blackboard, comprise blackboard body, it is characterized in that: the rear portion of described blackboard body is provided with dust-collecting cavity, described blackboard body is provided with the dust suction through hole being communicated with described dust-collecting cavity, described dust-collecting cavity is connected with water conservancy diversion exhaust blower, described water conservancy diversion exhaust blower is connected with the gauge tap button that is arranged on described blackboard body sidepiece, and described water conservancy diversion exhaust blower is connected with dedusting chamber, and described dedusting chamber is movably installed with end cover.
2. the aspiration of negative pressure environment friendly blackboard as claimed in claim 1, is characterized in that: the downside of described blackboard body portion is provided with the groove that gathers dust, described in the bottom portion of groove that gathers dust be provided with the described dust suction through hole being communicated with described dust-collecting cavity.
3. the aspiration of negative pressure environment friendly blackboard as claimed in claim 2, is characterized in that: described in the double article putting groove of doing of groove that gathers dust.
4. the aspiration of negative pressure environment friendly blackboard as described in claim 1,2 or 3, is characterized in that: the exit that described dust suction through hole is communicated with described dust-collecting cavity is provided with protruding in the anti-reverse hemisphere film of described dust-collecting cavity, and described anti-reverse hemisphere film is provided with cross type cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591375.0U CN203427495U (en) | 2013-09-24 | 2013-09-24 | Negative pressure dust collection environment-friendly blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591375.0U CN203427495U (en) | 2013-09-24 | 2013-09-24 | Negative pressure dust collection environment-friendly blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203427495U true CN203427495U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320591375.0U Expired - Fee Related CN203427495U (en) | 2013-09-24 | 2013-09-24 | Negative pressure dust collection environment-friendly blackboard |
Country Status (1)
| Country | Link |
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| CN (1) | CN203427495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108790492A (en) * | 2018-05-30 | 2018-11-13 | 杨先平 | A kind of teaching apparatus for mathematics has the blackboard for education of dust-absorbing function |
-
2013
- 2013-09-24 CN CN201320591375.0U patent/CN203427495U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108790492A (en) * | 2018-05-30 | 2018-11-13 | 杨先平 | A kind of teaching apparatus for mathematics has the blackboard for education of dust-absorbing function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20170924 |