CN211308063U - Dust-absorbing and spraying blackboard eraser - Google Patents
Dust-absorbing and spraying blackboard eraser Download PDFInfo
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- CN211308063U CN211308063U CN201921685297.4U CN201921685297U CN211308063U CN 211308063 U CN211308063 U CN 211308063U CN 201921685297 U CN201921685297 U CN 201921685297U CN 211308063 U CN211308063 U CN 211308063U
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Abstract
The utility model provides a dust absorption spraying blackboard eraser, which comprises a shell, wherein two eraser strips are arranged at intervals on the bottom surface of the shell, a plurality of air holes which are arranged at intervals are uniformly formed in each air suction section, a fan for sucking air is arranged in the shell, a plastic cover communicated with the air holes is arranged at the air inlet end of the fan, a dust pipeline is arranged at the air outlet end of the fan, four atomizing sheets are fixedly connected on the inner wall of the outlet end of the dust pipeline, and a dust falling box for storing dust is also arranged at the outlet end of the dust pipeline; an atomization driving plate used for controlling the atomization sheet is further arranged in the shell; the shell is also internally provided with a water storage tank, and the water inlet end of the atomizing sheet is communicated with the water outlet of the water storage tank. The scheme can absorb chalk dust, can uniformly collect the chalk dust so as to be reutilized, and reduces the pollution of the chalk dust to the environment and the harm to the human body.
Description
Technical Field
The utility model relates to a dust absorption technical equipment field, specific saying relates to a dust absorption spraying blackboard eraser.
Background
The traditional blackboard eraser is available in the market at present, chalk dust flies all over the air due to the fact that the blackboard eraser does not have constraint force on the chalk dust in the process of erasing the blackboard, air quality of a classroom is affected, most teachers have occupational diseases (sphagitis) due to the fact that too much chalk dust is inhaled for many years in class, and children in lower grades do not completely develop and finish inhaling too much chalk dust, so that harm to respiratory tracts is huge.
Moreover, the traditional blackboard eraser does not have the function of collecting chalk dust at present, and the environmental protection principle cannot be reached, so that the problem that how to solve the problems is urgently needed to be overcome by technical personnel in the field is solved.
SUMMERY OF THE UTILITY MODEL
Therefore the utility model provides a dust absorption spraying blackboard eraser can absorb chalk dust raise dust, can unify the chalk dust of collecting so that reuse, reduced the pollution of chalk dust to the environment and to the harm of human body.
The technical scheme of the utility model is realized like this: a dust-absorbing and spraying blackboard eraser comprises a shell, two erasing strips are arranged on the bottom surface of the shell at intervals, the periphery of any one sassafras strip on the bottom surface of the shell is provided with an air suction section for dust to enter, the air suction sections between the two sassafras strips are overlapped, each air suction section is uniformly provided with a plurality of air holes which are distributed at intervals, a fan for sucking air is arranged in the shell, the fan is positioned above the air port, the air inlet end of the fan is provided with a plastic cover communicated with the air hole, the air outlet end of the fan is provided with a dust pipeline, the inner wall of the outlet end of the dust pipeline is fixedly connected with four atomizing sheets which are uniformly distributed on the inner wall of the dust pipeline, the outlet end of the dust pipeline is in horizontal direction, the outlet end of the dust pipeline is also provided with a dust falling box for storing dust, the top of the shell is provided with a vertically-oriented air outlet which is communicated with the outlet end of the dust pipeline; an atomization driving plate used for controlling the atomization sheet is further arranged in the shell; the shell is also internally provided with a water storage tank, and the water inlet end of the atomizing sheet is communicated with the water outlet of the water storage tank.
Furthermore, a detachable rechargeable battery is arranged in the shell, and a USB power supply jack is arranged on the side wall of the shell; the atomization driving plate is connected with a rechargeable battery through a lead, and the fan is connected with the rechargeable battery through a lead; USB power jack can charge rechargeable battery after switching on external power, and rechargeable battery can export electric energy to fan and atomizing drive plate after charging, and the atomizing drive plate can drive the atomizing piece after getting the electricity.
Furthermore, the inner wall of the dust pipeline is hung with a round ball which is used for reducing the wind speed in the dust pipeline, so that atomized water and dust can be conveniently combined.
Furthermore, the upper surface of the shell is provided with a switch button which can control the power supply circuit of the rechargeable battery to be switched on and switched off.
Furthermore, the top of storage water tank is equipped with the filler that is used for watered, the lateral wall that falls the dirt case is equipped with the ash hole of ash, the top of ash hole still articulates there is the baffle, opens the baffle and can topple over the processing in unison with the dust that falls in the dirt case.
Further, each top corner of the shell is uniformly rounded.
The working principle and the beneficial effects of the scheme are as follows:
the rechargeable battery is charged by utilizing the USB power jack and can be used after being charged, a switch button is started when the blackboard is erased, the fan starts to work after being electrified, fan blades rotate to suck chalk dust into an erasing cavity of the blackboard eraser shell from air holes which are distributed at intervals with a blackboard erasing strip, namely an air suction section, the chalk dust passing through an abdominal cavity dust pipeline is combined with water mist sprayed from an atomizing sheet (the atomizing sheet is connected with a water storage tank) in the pipeline and falls into the dust falling box, the bottom of the dust falling box absorbs water through sponge, and the rest air is discharged from air outlets arranged around the shell above the dust falling box.
The blackboard eraser has the advantages of being suitable for human engineering in size, quality and shape, low in cost and capable of being used in all regions. Can absorb the dust of the chalk dust, can collect the chalk dust in a unified way so as to be convenient for reuse, and reduce the pollution of the chalk dust to the environment and the harm to the human body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of an embodiment of the invention;
FIG. 3 is a schematic bottom view of the embodiment of the present invention;
FIG. 4 is a schematic view of the mounting structure of the atomization plate of FIG. 1;
fig. 5 is a schematic diagram of an operating circuit of an embodiment of the present invention;
fig. 6 is a schematic diagram of a charging circuit according to an embodiment of the present invention.
The reference numbers are as follows:
the device comprises a shell 1, a USB power supply jack 2, an atomization driving plate 3, a water filling port 4, a water storage tank 5, an atomization sheet 6, a ball 7, an air outlet 8, a dust falling tank 9, a sassafras strip 10, a plastic cover 11, an air suction section 13, a rechargeable battery 14, a switch button 15, a baffle 16, a dust pipeline 17 and a fan 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Examples
As shown in fig. 1-6, a dust-absorbing and spraying blackboard eraser comprises a casing 1, two eraser strips 10 are arranged at intervals on the bottom surface of the casing 1, an air suction section 13 for dust to enter is arranged on the periphery of any one eraser strip 10 on the bottom surface of the casing 1, the air suction sections 13 between the two eraser strips 10 are overlapped with each other, each air suction section 13 is uniformly provided with a plurality of air holes which are arranged at intervals, a fan for air suction is arranged inside the casing 1, the fan is positioned above the air holes, the air inlet end of the fan is provided with a plastic cover 11 communicated with the air holes, the air outlet end of the fan is provided with a dust pipeline 17, the inner wall of the outlet end of the dust pipeline 17 is fixedly connected with four atomizing sheets 6, the atomizing sheets 6 are uniformly distributed on the inner wall of the dust pipeline 17, the outlet end of the dust pipeline 17 is in a horizontal direction, the outlet end of the dust pipeline 17 is, the side wall of the dust falling box is provided with an ash outlet, and the top of the ash outlet is hinged with a baffle 16; the top of the shell 1 is provided with a vertically-oriented air outlet 8, and the air outlet 8 is communicated with the outlet end of the dust pipeline 17; an atomization driving plate 3 for controlling an atomization sheet 6 is further arranged in the shell 1; a water storage tank 5 is further arranged in the shell 1, and a water filling port 4 for adding water is arranged at the top of the water storage tank 5; the water inlet end of the atomizing sheet 6 is communicated with the water outlet of the water storage tank 5; the inner wall of the dust pipeline 17 is also hung with a round ball 7; the upper surface of the casing 1 is provided with a switch button 15 which can control the on-off of the power supply circuit of the rechargeable battery 14.
A detachable rechargeable battery 14 is arranged in the shell 1, and a USB power supply jack 2 is arranged on the side wall of the shell 1; the atomization driving plate 3 is connected with the rechargeable battery 14 through a lead, and the fan 18 is connected with the rechargeable battery 14 through a lead; USB power jack 2 can charge rechargeable battery 14 after switching on external power supply, and rechargeable battery 14 can export electric energy to fan and atomizing drive plate 3 after charging, and atomizing drive plate 3 can drive atomizing piece 6 after getting electric.
The atomization driving plate 3 and the atomization sheet 6 of the present embodiment are made of WG30 type products commonly available in the market, the driving circuits and the like thereof are all the prior art, the rechargeable battery 14 in the present embodiment is made of KBL45 type, and the mounting seat for charging and discharging is reserved, and the charging and discharging and the like thereof are all the existing basic functions.
When in use:
the rechargeable battery 14 is charged by the USB power jack 2 and can be used after being charged, the switch button 15 is started when the blackboard is erased, the fan starts to work after being electrified, fan blades rotate to suck chalk dust into an erasing cavity of the blackboard eraser shell 1 from air holes which are distributed discontinuously with a blackboard erasing strip, namely an air suction section 13, the chalk dust passing through an abdominal cavity dust pipeline 17 is combined with water mist sprayed out of an atomizing sheet 6 (the atomizing sheet 6 is connected with a water storage tank 5) in the pipeline and falls into a dust falling box, the bottom of the dust falling box absorbs the water, and the rest gas is discharged from an air outlet 8 arranged around the shell 1 above the dust falling box.
The blackboard eraser has the advantages of being suitable for human engineering in size, quality and shape, low in cost and capable of being used in all regions. Can absorb the dust of the chalk dust, can collect the chalk dust in a unified way so as to be convenient for reuse, and reduce the pollution of the chalk dust to the environment and the harm to the human body.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. A dust absorption spraying blackboard eraser is characterized in that: the dust collecting device comprises a shell, two sassafras strips are arranged on the bottom surface of the shell at intervals, suction sections for dust to enter are arranged on the bottom surface of the shell along the periphery of any sassafras strip, the suction sections between the two sassafras strips are overlapped, each suction section is uniformly provided with a plurality of air holes which are distributed at intervals, a fan for sucking is arranged inside the shell and is positioned above an air port, a plastic cover communicated with the air holes is arranged at the air inlet end of the fan, a dust pipeline is arranged at the air outlet end of the fan, four atomizing sheets are fixedly connected to the inner wall of the outlet end of the dust pipeline and are uniformly distributed on the inner wall of the dust pipeline, the outlet end of the dust pipeline faces horizontally, a dust falling box for storing dust is further arranged at the outlet end of the dust pipeline, a vertically-oriented air outlet is formed in the top of the shell, and the air; an atomization driving plate used for controlling the atomization sheet is further arranged in the shell; the shell is also internally provided with a water storage tank, and the water inlet end of the atomizing sheet is communicated with the water outlet of the water storage tank.
2. A dust-absorbing spray blackboard eraser according to claim 1, wherein: a detachable rechargeable battery is arranged in the shell, and a USB power supply jack is arranged on the side wall of the shell; the atomization driving plate is connected with a rechargeable battery through a lead, and the fan is connected with the rechargeable battery through a lead; USB power jack can charge rechargeable battery after switching on external power, and rechargeable battery can export electric energy to fan and atomizing drive plate after charging, and the atomizing drive plate can drive the atomizing piece after getting the electricity.
3. A dust-absorbing spray blackboard eraser according to claim 2, wherein: and a ball for reducing the wind speed is hung on the inner wall of the dust pipeline.
4. A dust-absorbing spray blackboard eraser according to claim 3, wherein: and the upper surface of the shell is provided with a switch button capable of controlling the power supply circuit of the rechargeable battery to be switched on and switched off.
5. A dust-absorbing and spray-atomizing blackboard eraser according to claim 4, characterized in that: a water filling port for adding water is formed in the top of the water storage tank, an ash outlet for discharging ash is formed in the side wall of the dust falling box, and a baffle is hinged to the top of the ash outlet; the bottom of the dust falling box is provided with absorbent cotton.
6. A dust-absorbing and spray-atomizing blackboard eraser according to claim 5, characterized in that: and each vertex angle of the shell is a uniform fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685297.4U CN211308063U (en) | 2019-10-10 | 2019-10-10 | Dust-absorbing and spraying blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685297.4U CN211308063U (en) | 2019-10-10 | 2019-10-10 | Dust-absorbing and spraying blackboard eraser |
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| Publication Number | Publication Date |
|---|---|
| CN211308063U true CN211308063U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921685297.4U Active CN211308063U (en) | 2019-10-10 | 2019-10-10 | Dust-absorbing and spraying blackboard eraser |
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| CN (1) | CN211308063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895777A (en) * | 2021-02-07 | 2021-06-04 | 深圳华文网教育科技有限公司 | Blackboard eraser capable of intelligently erasing and improving teaching efficiency |
-
2019
- 2019-10-10 CN CN201921685297.4U patent/CN211308063U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895777A (en) * | 2021-02-07 | 2021-06-04 | 深圳华文网教育科技有限公司 | Blackboard eraser capable of intelligently erasing and improving teaching efficiency |
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