CN203766351U - Dust absorption blackboard eraser - Google Patents
Dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN203766351U CN203766351U CN201420175208.2U CN201420175208U CN203766351U CN 203766351 U CN203766351 U CN 203766351U CN 201420175208 U CN201420175208 U CN 201420175208U CN 203766351 U CN203766351 U CN 203766351U
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- CN
- China
- Prior art keywords
- shell
- dust
- motor
- control
- dirt
- 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 absorption blackboard eraser which comprises an outer shell. The whole outer shell is in an L shape and comprises a dust interference shell, a control shell, a dust absorption shell and a duct collection shell. A motor I and a hairbrush connected to the motor I through a shaft are installed in the dust interference shell; a power supply and a main controller are installed in the control shell; a motor II and a wind wheel connected to the motor II through a shaft are installed on the front wall of the dust absorption shell, and a guide plate is obliquely arranged between the dust absorption shell and the control shell; a dust collection bag is arranged in the dust collection shell, a rectangular steel frame is arranged at the bag opening of the dust collection bag, the lower wall and the side walls of the dust collection shell are provided with grooves used for containing the steel frame in an embedded mode respectively, a dust taking cover is arranged on the top of the dust collection shell, and air outlets are formed in the rear wall of the dust collection shell; the side face of the outer shell is provided with a power switch and a pressure switch, and the power switch and the pressure switch are sequentially connected with the power supply, the main controller, the motor I and the motor II in series. The dust absorption blackboard eraser can absorb and store chalk powder when a blackboard is cleaned and prevent the chalk powder from drifting, and a healthy learning environment can be provided for teachers and students.
Description
Technical field
The utility model relates to a kind of educational aid, relates in particular to a kind of dust absorption blackboard eraser.
Background technology
The chalk powder of kicking up while erasing the board on classroom has a strong impact on the healthy of teachers and students, especially larger on organ impacts such as nose, pharynx, larynxs.
Utility model content
the technical problems to be solved in the utility model is to provide a kind of dust absorption blackboard eraser, can in erasing the board, chalk powder be absorbed and store, and prevents that chalk powder from drifting, for teachers and students provide healthy academic environment.
To achieve these goals, technical solution adopted in the utility model is: a kind of dust absorption blackboard eraser, comprise shell, and described shell entirety is L-shaped, shell comprises disturbing dirt shell, controlling shell and dust suction shell of layout from bottom to top, and dust suction shell rear end is communicated with control of dust shell is set; The described hairbrush that motor I is installed and is coupling in motor I in dirt shell of disturbing; In described control shell, power supply and master controller are installed; The wind wheel that the antetheca of described dust suction shell is provided with motor II and is coupling in motor II, is tiltedly installed with deflector between dust suction shell and control shell, between the antetheca bottom of dust suction shell and the front end of drainage plate, forms entering-dust mouth; In described control of dust shell, be provided with dust bag, dust bag adopts ventilative gauze to make, the sack of dust bag is provided with the steel framework of rectangle, the lower wall of control of dust shell and sidewall all offer the groove for being embedded steel framework, the top of control of dust shell arranges gets dirt lid, the upper wall of getting dirt lid and described dust suction shell is hinged, and the rear wall of control of dust shell offers exhaust vent; Described shell side is provided with the power switch and the pressure switch that are connected in series successively with described power supply, master controller, motor I and motor II.
As a kind of optimal technical scheme of the present utility model, described in protruding from, described hairbrush disturbs the lower edge of dirt shell.
As a kind of optimal technical scheme of the present utility model, the top of described steel framework with described in get dirt lid lower surface offset.
The beneficial effect that adopts technique scheme to produce is: the utility model shell mechanism deft design, the hairbrush of disturbing in dirt shell can easily be wiped clean blackboard, dust suction shell can absorb in time by just wiping the chalk powder getting off, and introduce dust bag by deflector and temporarily store, after being filled with, open and get dirt lid and chalk powder can be poured out and carry out centralized collection, the chalk powder of collection is again made chalk after being convenient to reclaim and is reused.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is sectional side elevation of the present utility model.
Fig. 2 is side view of the present utility model.
In figure: 1, disturb dirt shell 2, control shell 3, dust suction shell 4, control of dust shell 5, motor I 6, hairbrush 7, power supply 8, master controller 9, motor II 10, wind wheel 11, deflector 12, entering-dust mouth 13, dust bag 14, steel framework 15, air outlet 16, get dirt lid 17, shell 18, power switch 19, pressure switch.
Detailed description of the invention
Simultaneously referring to attached Fig. 1 and 2, the structure of a detailed description of the invention of the utility model comprises shell 17, described shell 17 entirety are L-shaped, and shell 17 comprises disturbing dirt shell 1, controlling shell 2 and dust suction shell 3 of layout from bottom to top, and dust suction shell 3 rear ends are communicated with control of dust shell 4 is set; The described hairbrush 6 that motor I 5 is installed and is coupling in motor I 5 in dirt shell 1 of disturbing; Power supply 7 and master controller 8 are installed in described control shell 2; The wind wheel 10 that the antetheca of described dust suction shell 3 is provided with motor II 9 and is coupling in motor II 9, is tiltedly installed with deflector 11 between dust suction shell 3 and control shell 2, between the antetheca bottom of dust suction shell 3 and the front end of drainage plate 11, forms entering-dust mouth 12; In described control of dust shell 4, be provided with dust bag 13, dust bag 13 adopts ventilative gauze to make, the sack of dust bag 13 is provided with the steel framework 14 of rectangle, the lower wall of control of dust shell 4 and sidewall all offer the groove for being embedded steel framework 14, the top of control of dust shell 4 arranges gets dirt lid 16, get dirt lid 16 hinged with the upper wall of described dust suction shell 3, the rear wall of control of dust shell 4 offers exhaust vent 15; Described shell 17 sides are provided with the power switch 18 and the pressure switch 19 that are connected in series successively with described power supply 7, master controller 8, motor I 5 and motor II 9.
Described in protruding from, hairbrush 6 disturbs the lower edge of dirt shell 1.
The top of steel framework 14 with described in get dirt lid 16 lower surface offset.The inner surface of the edge of steel framework 14 and control of dust shell 4 fits tightly, and chalk powder is fully entered in dust bag 13.
Operation principle of the present utility model is: first turn on the power switch 18, then pressing pressure switch 19 works motor I 5 and motor II 9, motor I 5 and motor II 9 are with respectively electric brush 6 and wind wheel 10 to rotate, hairbrush 6 clashes writing on the blackboard, wind wheel 10 makes the interior formation negative pressure of dust suction shell 3, the chalk powder hiking up is sucked in dust suction shell 3 by entering-dust mouth 12 in time, under the cooperation of deflector 11, further chalk powder is blown into dust bag 13; Dust bag 13 is not only ventilative but also can hold back chalk powder, and steel framework 14 can fully strut the sack of dust bag 13, is convenient to chalk powder and enters in dust bag 13, and air outlet flows out unnecessary air smoothly, ensures the patency of air-flow.
The utility model delicate structure, deflector 11, dust suction shell 3 and control of dust shell 4 form a venturi tube structure, increase at the sack place of dust bag 13 gas flow rate, and air pressure reduces, and strengthens pick-up performance.
Foregoing description only proposes as the enforceable technical scheme of the utility model, not as the Single restriction condition to its technical scheme itself.
Claims (3)
1. a dust absorption blackboard eraser, comprises shell, it is characterized in that: described shell entirety is L-shaped, and shell comprises disturbing dirt shell, controlling shell and dust suction shell of layout from bottom to top, and dust suction shell rear end is communicated with control of dust shell is set; The described hairbrush that motor I is installed and is coupling in motor I in dirt shell of disturbing; In described control shell, power supply and master controller are installed; The wind wheel that the antetheca of described dust suction shell is provided with motor II and is coupling in motor II, is tiltedly installed with deflector between dust suction shell and control shell, between the antetheca bottom of dust suction shell and the front end of drainage plate, forms entering-dust mouth; In described control of dust shell, be provided with dust bag, dust bag adopts ventilative gauze to make, the sack of dust bag is provided with the steel framework of rectangle, the lower wall of control of dust shell and sidewall all offer the groove for being embedded steel framework, the top of control of dust shell arranges gets dirt lid, the upper wall of getting dirt lid and described dust suction shell is hinged, and the rear wall of control of dust shell offers exhaust vent; Described shell side is provided with the power switch and the pressure switch that are connected in series successively with described power supply, master controller, motor I and motor II.
2. dust absorption blackboard eraser according to claim 1, is characterized in that: the lower edge of disturbing dirt shell described in described hairbrush protrudes from.
3. dust absorption blackboard eraser according to claim 1, is characterized in that: the top of described steel framework with described in get dirt lid lower surface offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175208.2U CN203766351U (en) | 2014-04-13 | 2014-04-13 | Dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175208.2U CN203766351U (en) | 2014-04-13 | 2014-04-13 | Dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203766351U true CN203766351U (en) | 2014-08-13 |
Family
ID=51283589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175208.2U Expired - Fee Related CN203766351U (en) | 2014-04-13 | 2014-04-13 | Dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203766351U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107776301A (en) * | 2017-11-30 | 2018-03-09 | 上海海洋大学 | A kind of semi-automatic dust-free black board eraser |
| CN109501497A (en) * | 2018-12-07 | 2019-03-22 | 陈孝钰 | Blackboard automatic cleaning apparatus |
-
2014
- 2014-04-13 CN CN201420175208.2U patent/CN203766351U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107776301A (en) * | 2017-11-30 | 2018-03-09 | 上海海洋大学 | A kind of semi-automatic dust-free black board eraser |
| CN109501497A (en) * | 2018-12-07 | 2019-03-22 | 陈孝钰 | Blackboard automatic cleaning apparatus |
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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: 20140813 Termination date: 20150413 |
|
| EXPY | Termination of patent right or utility model |