CN103158408A - Dust-absorbed blackboard eraser - Google Patents
Dust-absorbed blackboard eraser Download PDFInfo
- Publication number
- CN103158408A CN103158408A CN 201110410440 CN201110410440A CN103158408A CN 103158408 A CN103158408 A CN 103158408A CN 201110410440 CN201110410440 CN 201110410440 CN 201110410440 A CN201110410440 A CN 201110410440A CN 103158408 A CN103158408 A CN 103158408A
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- China
- Prior art keywords
- dust
- blackboard eraser
- air
- disposal box
- air draft
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Abstract
The invention discloses a dust-absorbed blackboard eraser which comprises a brush body, a first air draft pump, a dust collecting box suitable for containing liquid, and a second air draft pump used for drawing out clean air bubbles. The first air draft pump is communicated with the dust collecting box through a dust suction pipe. The second air draft pump is communicated with the dust collecting box through an air draft pipe. At least one filter net is arranged in the dust collecting box. According to the dust-absorbed blackboard eraser, pack dust generated in water and air bubbles of dust are filtered into clean air bubbles by the filter nets, air draft pipe mouth can be prevented from being jammed due to the fact that large particles of dust, rubbishes and the like enter a water and air separation chamber, and thus air draft work efficiency is improved.
Description
Technical field
The present invention relates to a kind of blackboard eraser, relate to specifically a kind of dust absorption blackboard eraser with dust exhaust apparatus, belong to the daily teaching apparatus.
Background technology
in most schools now, more teachers all is fixed against blackboard, show course content to the student intuitively, can only chalk be wiped with blackboard eraser write completely by chalk dust when blackboard after, when being fixed on blackboard because of traditional blackboard eraser, a dust part under wiping can be adsorbed on the wiping board of blackboard eraser, another part dust just can fly upward everywhere, cause air pollution of classroom and descend slowly and lightly in the teacher, with it the student, thereby make clothing and be exposed to outer hair dirty, skin, though the teachers and students that erase the board also use hand and cover mouth and nose, but still can not avoid sucking dust, health to teachers and students is extremely unfavorable.
For this reason, existing a lot of blackboard erasers improve, number be the patent of invention of CN 102241224A as Granted publication, this case is the absorbing cavity that suction port is set on the rub body of blackboard eraser and is connected with described suction port, one aspiration pump is connected with absorbing cavity by flexible pipe, realizes the pick-up performance of blackboard eraser by aspiration pump and absorbing cavity; And for example Granted publication number is the utility model patent of CN 201703144U, and the rub body of this case is installed on the box body front, is provided with vacuum chamber and blower fan in box body, and this case sucks dust in vacuum chamber by blower fan and blower fan motor.Only the absorbing cavity of such blackboard eraser (vacuum chamber) holds after dust not easy cleaning, if under the not good enough situation of sealing, the dust in absorbing cavity (vacuum chamber) still pollutes the environment, and does not reach perfect dust removing effects.
Granted publication number discloses a kind of dust absorption blackboard eraser in CN 201736677U utility model specification, as shown in Figure 1, this wiping board 1 is the sandwich of layers structure, wiping board 1 is provided with the air suction opening 2 that communicates with described hollow interlayer, the flexible pipe 3 that is fixed on wiping board 1 is communicated with sandwich of layers with dust catcher 4, though this case is inserted the outlet of dust device 4 in pond 5 in order to remove dust, but being dissolved in because of dust in the process of water body, the outlet of dust device can produce a large amount of bubbles in water body, bubble can wrap up a part of dust usually, and this part dust is difficult to be dissolved in water due to the existence of bubble, affected efficiency of dust collection.
Summary of the invention
For overcoming the defective that exists in prior art, the invention provides a kind of novel dust absorption blackboard eraser with dust exhaust apparatus, this dust exhaust apparatus comprises a plurality of screen packs of being located in disposal box, thereby make dust absorption blackboard eraser of the present invention can effectively absorb wave dust and the dust that produces when erasing the board, prevent that dust to the harm of environment and peripheral crowd's clothing, can effectively guarantee the smooth and easy without hindrance of dust suction work again.
For realizing above-mentioned technique effect, the present invention discloses a kind of dust absorption blackboard eraser, this dust absorption blackboard eraser comprises brush body, be located at the first air pump on brush body, be suitable for the disposal box of receiving fluids and be used for extracting out the second air pump of pure air bubble, described brush body is provided with air suction opening, described the first air pump is connected with this disposal box by sweep-up pipe, described the second air pump is connected with this disposal box by exhaust column, is provided with at least one screen pack in this disposal box.
Preferably, described screen pack is a plurality of, and these a plurality of screen packs are arranged between the suction inlet of the overflow lip of sweep-up pipe and exhaust column in the mode that keeps at a certain distance away, and the mesh of these a plurality of screen packs dwindles gradually from overflow lip to the suction inlet direction of exhaust column of sweep-up pipe.
Preferably, be formed with air suction opening on described brush body.
The present invention adopts screen pack that disposal box is divided into a plurality of dust separation chambers; also be provided with the aqueous vapor separation chamber that separates be used to carrying out aqueous vapor between this dust separation chamber and the second air pump; thereby screen pack of the present invention not only is filtered into clean air bubble with the bubble of the parcel dust that produces in water body and dust; can also prevent from entering the aqueous vapor separation chamber because of bulky grain dust, rubbish etc.; stop up the exhausting mouth of pipe, thereby improved the efficient of exhausting work.
Description of drawings
Fig. 1 is that Granted publication number is the structural representation of the dust absorption blackboard eraser of CN 201736677U utility model;
Fig. 2 is the structural representation of dust absorption blackboard eraser of the present invention.
The specific embodiment
For the benefit of to the understanding of dust absorption blackboard eraser structure of the present invention, explain below in conjunction with the preferred embodiment of the present invention of accompanying drawing 2.
as shown in Figure 2, dust absorption blackboard eraser 10 of the present invention comprises a brush body 11, be arranged in the first air pump 12 of brush body 11 rear ends (right-hand member of diagram), be suitable for the disposal box 13 of receiving fluids and be used for extracting out the second air pump 14 that pure air steeps, described the first air pump 12 is connected with this disposal box 13 by a sweep-up pipe 15, described the second air pump 14 is connected with this disposal box 13 by an exhaust column 16, be provided with three screen packs 130 in this disposal box 13, described screen pack 130 is a plurality of, these a plurality of screen packs 130 are arranged between the suction inlet 160 of the overflow lip 150 of sweep-up pipe 15 and exhaust column 16 in the mode that keeps at a certain distance away, the mesh of these a plurality of screen packs 130 150 dwindles to suction inlet 160 directions of exhaust column 16 gradually from overflowing of sweep-up pipe 15.
Brush body 11 of the present invention is provided with air suction opening 111, is characterized in the elimination of blackboard writing and the absorption of chalk dust are combined as a whole, and has alleviated teachers and students' work burden, eliminates dust to the pollution of teaching environment.Dust absorption blackboard eraser 10 of the present invention also can be made into brush and sac like, is used for the article such as clothes are carried out dust suction.
The present invention utilizes the first air pump 12 can strengthen the dust suction dynamics, can not only adsorb the dust of being wiped by brush body 11, and dust and the dust of brush body 11 peripheries also played good suction-operated.After switching on power, the first air pump 12 drives described brush body 11 and rotates, the air suction opening 111 of brush body 11 tangentially sucks dust and dust, thereby writing is wiped, the dust that produces the first air pump 12 produce under the wind action of after-blow, move to disposal box 13, be filtered again net 130 and filter out in disposal box 13, discharge clean air bubble 132 by the second air pump 14 by exhaust column 16.
During use, at a certain amount of water of the interior injection of disposal box 13, tangentially dust and the dust of suction enter 20 zones, dust separation chamber of disposal box 13 along sweep-up pipe 15 under the drive of the first air pump 12 in the air suction opening 111 of brush body 11; The water body that is carrying dust and dust is at the dust separation chamber 20 interior High Rotation Speeds of doing, thereby fully be dissolved in dust and dust in water body, in this process, current are under the effect of centrifugal force, High Rotation Speed from bottom to top in dust separation chamber 20, a part dust and dust break away from current and are precipitated to disposal box 13 bottoms, and another part to dust separation chamber 20 upper areas, forms the air bubble 131 of parcel dust and dust with the water flow rotary that rises; 130 large air bubbles that will wrap up one by one dust and dust of three screen packs are broken one by one, form the little air bubble of parcel dust and dust, until form clean air bubble 132; Elimination the pure air bubble 132 of dust and dust entered 30 zones, aqueous vapor separation chamber, last under the effect of the second air pump 14, discharge clean air bubbles 132 from exhaust column 16.
Whole device volume of the present invention is little, light, simple in structure, and little power consumption is of many uses, is easy to processing and promotes the use of, and has better economic worth and practical value, and the speed of clear dirt is fast, and efficient is high, effectively safeguards the healthy of Faculty and Students.In addition, the present invention utilizes air-flow that the dust that produces is sucked in described disposal box 13, and form clean air bubble 132 by screen pack 130 in disposal box 13, therefore of the present invention reasonable in design, be skillfully constructed, guarantee environmental sanitation in the classroom, for cleaning person reduces labour intensity, make simply, with low cost, be with a wide range of applications.
Through initial estimate, use dust absorption blackboard eraser 10 of the present invention, dust collection efficiency is stabilized in 98% left and right, thereby reduced widely dust pollution, these dust are present in disposal box 13 simultaneously, easily are recovered the raw material that utilizes chalk, can continue the creation of value, bring good beneficial effect.
Claims (3)
1. dust absorption blackboard eraser, it comprises brush body, is located at the first air pump on brush body, the second air pump that is suitable for the disposal box of receiving fluids and is used for extracting out the pure air bubble, described the first air pump is connected with this disposal box by sweep-up pipe, described the second air pump is connected with this disposal box by exhaust column, it is characterized in that: be provided with at least one screen pack in described disposal box.
2. dust absorption blackboard eraser according to claim 1, it is characterized in that: described screen pack is a plurality of, these a plurality of screen packs are arranged between the suction inlet of the overflow lip of sweep-up pipe and exhaust column in the mode that keeps at a certain distance away, and the mesh of these a plurality of screen packs dwindles gradually from overflow lip to the suction inlet direction of exhaust column of sweep-up pipe.
3. dust absorption blackboard eraser according to claim 1, is characterized in that: be formed with air suction opening on described brush body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110410440 CN103158408A (en) | 2011-12-12 | 2011-12-12 | Dust-absorbed blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110410440 CN103158408A (en) | 2011-12-12 | 2011-12-12 | Dust-absorbed blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103158408A true CN103158408A (en) | 2013-06-19 |
Family
ID=48582167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110410440 Pending CN103158408A (en) | 2011-12-12 | 2011-12-12 | Dust-absorbed blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103158408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693253A (en) * | 2020-12-28 | 2021-04-23 | 成都兰腾科技有限公司 | Multifunctional device |
-
2011
- 2011-12-12 CN CN 201110410440 patent/CN103158408A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693253A (en) * | 2020-12-28 | 2021-04-23 | 成都兰腾科技有限公司 | Multifunctional device |
| CN112693253B (en) * | 2020-12-28 | 2022-04-15 | 成都兰腾科技有限公司 | Multifunctional device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130619 |