CN203580453U - Automatic dust collection type blackboard eraser - Google Patents
Automatic dust collection type blackboard eraser Download PDFInfo
- Publication number
- CN203580453U CN203580453U CN201320723660.3U CN201320723660U CN203580453U CN 203580453 U CN203580453 U CN 203580453U CN 201320723660 U CN201320723660 U CN 201320723660U CN 203580453 U CN203580453 U CN 203580453U
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- layer
- dust
- knoisphere
- blackboard eraser
- electric fan
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Abstract
The utility model relates to an automatic dust collection type blackboard eraser. The automatic dust collection type blackboard eraser is composed of sponges, a sponge layer, a switch, a dust inlet layer, a battery jar, filter screens, an electric fan, bolts and a dust collection layer. The sponges are of a strip-shaped structure and arranged at certain intervals. The sponge layer is composed of the sponges. One end of the sponge layer is communicated with the dust inlet layer. The switch is located on the lateral side of the sponge layer and connected with the batter jar and the electric fan. The dust inlet layer is located at the upper end of the sponge layer. The inner portion of the dust inlet layer is of a hollow structure. The batter jar is located on one side of the dust inlet layer. The filter screens are of a mesh-shaped structure and located on the two lateral sides of the dust collection layer. The electric fan is located between the dust inlet layer and the dust collection layer. The bolts are located inside the blackboard eraser and connected with the sponge layer, the dust inlet layer and the dust collection layer. The dust collection layer is located at the upper end of the dust inlet layer and is composed of a dust collection box and a conical block. The automatic dust collection type blackboard eraser can collect chalk dust, ensure health of teachers and students and protect the environment, and is simple in structure, convenient to operate, novel in design and suitable for most teachers.
Description
Technical field
The utility model relates to a kind of blackboard eraser, especially a kind of automatic dust-catching type blackboard eraser.
Background technology
Chalk teaching aid is the indispensable instrument of imparting knowledge to students at present, with it, carrys out impart knowledge, is one of the most original and the most traditional main teaching method.Along with historical progress and social development, the mankind improve constantly the understanding of chalk, when chalk brings progress and makes huge contribution to mankind's educational undertaking, have brought huge harm also to the teacher and the student that are engaged in educational undertaking.Common conventional blackboard eraser is just put into people's iron sheet box by felt, during class-teaching of teacher, flies upward skyborne chalk dust and is sucked lung by people, and that gives in the course of time teachers and students healthyly brings very big damage.
Social now, people more and more pay attention to the health of self, and traditional blackboard eraser also no longer meets people's requirement.
Utility model content
For the above, the purpose of this utility model is to provide a kind of automatic dust-catching type blackboard eraser, it adopts blackboard eraser is made as to three layers, lower floor is sponge, middle level is entering-dust mouth, and upper strata, for collection grieshoch, is provided with fan at collection grieshoch and entering-dust mouth place, by the mode that rotarily drives chalk dust motion of electric fan, chalk ash collection is got up.
In order to realize the technical scheme that the purpose of this utility model adopts, be: a kind of automatic dust-catching type blackboard eraser, is characterized in that: it by sponge, spongy layer, switch, enter knoisphere, battery case, screen pack, electric fan, latch and collection grieshoch and form; Described sponge is list structure, is separated with certain interval between every, makes chalk dust enter into spongy layer from gap location; Described spongy layer consists of sponge, and one end is communicated with into knoisphere; Described switch is positioned at spongy layer side, is connecting battery case and electric fan; The described knoisphere that enters is positioned at spongy layer upper end, and inside is hollow structure; Described battery case is positioned at into knoisphere one side; Described screen pack is network structure, is positioned at collection grieshoch dual-side; Described electric fan, entering between knoisphere and collection grieshoch, is connecting collection grieshoch; Described latch is cylindrical structural, lays respectively at blackboard eraser inside, and it is connecting spongy layer, is entering knoisphere and collection grieshoch; Described collection grieshoch is positioned at into knoisphere upper end, dust collecting box and conical blocks, consists of.
The beneficial effects of the utility model: can chalk ash collection be got up by the rotation of electric fan, guarantee that teachers and students are healthy, can play again the effect of protection of the environment, and simple in structure, easy to operate, modern design, is applicable to most of teachers crowd.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Fig. 1 is the utility model structure chart.
Fig. 2 is the utility model cutaway view.
Fig. 3 is collection grieshoch partial structurtes view.。
In figure, 1-sponge, 2-spongy layer, 3-enter knoisphere, 4-battery case, 5-collection grieshoch, 6-screen pack, 7-switch, 8-latch, 9-dust collecting box, 10-electric fan, 11-conical blocks.
The specific embodiment
In the first embodiment shown in Fig. 1, Fig. 2, Fig. 3, a kind of automatic dust-catching type blackboard eraser, is characterized in that: it by sponge, spongy layer, switch, enter knoisphere, battery case, screen pack, electric fan, latch and collection grieshoch and form; Described sponge is list structure, is separated with certain interval between every, makes chalk dust enter into spongy layer from gap location; Described spongy layer consists of sponge, and one end is communicated with into knoisphere; Described switch is positioned at spongy layer side, is connecting battery case and electric fan; The described knoisphere that enters is positioned at spongy layer upper end, and inside is hollow structure; Described battery case is positioned at into knoisphere one side; Described screen pack is network structure, is positioned at collection grieshoch dual-side; Described electric fan, entering between knoisphere and collection grieshoch, is connecting collection grieshoch; Described latch is cylindrical structural, lays respectively at blackboard eraser inside, and it is connecting spongy layer, is entering knoisphere and collection grieshoch; Described collection grieshoch is positioned at into knoisphere upper end, dust collecting box and conical blocks, consists of.
In the second embodiment shown in Fig. 2, Fig. 3, dust collecting box lays respectively at collection grieshoch both sides, and its one end outer surface is provided with screen pack, and the other end is provided with funnel-form import, and large import is positioned at outer surface, and small inlet is positioned at dust collecting box; Conical blocks is positioned at collection grieshoch, and upper end is positioned at the positive lower end of electric fan, and lower one end is positioned on collection grieshoch.
In the 3rd embodiment shown in Fig. 1, Fig. 2, screen pack is detachable, and its mesh is very little, and wind energy is passed, and chalk dust does not pass; Battery in battery case is replaceable; Spongy layer, enter knoisphere and collection grieshoch can dismantle respectively by latch.
In the 4th embodiment shown in Fig. 1, Fig. 3, electric fan is blown into chalk dust in dust collecting box, when the ash in dust collecting box amasss completely, the screen pack of collection grieshoch can be taken off, and chalk dust is cleared, and makes blackboard eraser to use.
While using the utility model, by switch opens, blackboard eraser rubs by sponge and blackboard, make chalk dust enter spongy layer by the gap location between sponge, again to entering grieshoch motion, at electric fan, drive under the effect of Air Flow, chalk dust is entered into grieshoch, and through electric fan, move to collection grieshoch, it contacts with circular cone, because conical blocks tip is towards electric fan, makes its chalk dust to the dust collecting box motion on both sides, by the import of dust collecting box, enter into dust collecting box inside, air flows out by screen pack, and chalk dust is stayed dust collecting box inside.
Claims (3)
1. an automatic dust-catching type blackboard eraser, is characterized in that: it by sponge, spongy layer, switch, enter knoisphere, battery case, screen pack, electric fan, latch and collection grieshoch and form; Described sponge is list structure, is separated with certain interval between every; Described spongy layer consists of sponge, and one end is communicated with into knoisphere; Described switch is positioned at spongy layer side, is connecting battery case and electric fan; The described knoisphere that enters is positioned at spongy layer upper end, and inside is hollow structure; Described battery case is positioned at into knoisphere one side; Described screen pack is network structure, is positioned at collection grieshoch dual-side; Described electric fan, entering between knoisphere and collection grieshoch, is connecting collection grieshoch; Described latch is cylindrical structural, lays respectively at blackboard eraser inside, and it is connecting spongy layer, is entering knoisphere and collection grieshoch; Described collection grieshoch is positioned at into knoisphere upper end, dust collecting box and conical blocks, consists of.
2. automatic dust-catching type blackboard eraser according to claim 1, is characterized in that: dust collecting box lays respectively at collection grieshoch both sides, and its one end outer surface is provided with screen pack, and the other end is provided with funnel-form import, and large import is positioned at outer surface, and small inlet is positioned at dust collecting box; Conical blocks is positioned at collection grieshoch, and upper end is positioned at the positive lower end of electric fan, and lower one end is positioned on collection grieshoch.
3. automatic dust-catching type blackboard eraser according to claim 1, is characterized in that: screen pack is detachable, and its mesh is very little, and wind energy is passed, and chalk dust does not pass; Battery in battery case is replaceable; Spongy layer, enter knoisphere and collection grieshoch can dismantle respectively by latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723660.3U CN203580453U (en) | 2013-11-17 | 2013-11-17 | Automatic dust collection type blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723660.3U CN203580453U (en) | 2013-11-17 | 2013-11-17 | Automatic dust collection type blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203580453U true CN203580453U (en) | 2014-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320723660.3U Expired - Fee Related CN203580453U (en) | 2013-11-17 | 2013-11-17 | Automatic dust collection type blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203580453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260584A (en) * | 2014-10-30 | 2015-01-07 | 罗国友 | Dustproof efficient blackboard eraser |
-
2013
- 2013-11-17 CN CN201320723660.3U patent/CN203580453U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260584A (en) * | 2014-10-30 | 2015-01-07 | 罗国友 | Dustproof efficient blackboard eraser |
| CN104260584B (en) * | 2014-10-30 | 2016-02-24 | 林霏 | A kind of blackboard eraser of dust-proof efficient |
| CN105415944A (en) * | 2014-10-30 | 2016-03-23 | 罗国友 | Blackboard eraser capable of reducing dust pollution |
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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: 20140507 Termination date: 20141117 |
|
| EXPY | Termination of patent right or utility model |