CN203293783U - Dust-absorbing chalkboard eraser - Google Patents

Dust-absorbing chalkboard eraser Download PDF

Info

Publication number
CN203293783U
CN203293783U CN2012202695622U CN201220269562U CN203293783U CN 203293783 U CN203293783 U CN 203293783U CN 2012202695622 U CN2012202695622 U CN 2012202695622U CN 201220269562 U CN201220269562 U CN 201220269562U CN 203293783 U CN203293783 U CN 203293783U
Authority
CN
China
Prior art keywords
dust
eraser
power supply
motor
rub
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
Application number
CN2012202695622U
Other languages
Chinese (zh)
Inventor
解芳
杜蕾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dezhou University
Original Assignee
Dezhou University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dezhou University filed Critical Dezhou University
Priority to CN2012202695622U priority Critical patent/CN203293783U/en
Application granted granted Critical
Publication of CN203293783U publication Critical patent/CN203293783U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a dust-absorbing chalkboard eraser including an eraser body, a power supply switch, dust-absorbing holes, a wiper, a power supply, a power line, an impeller, a motor, a vent, a dust box, and a filter screen. The dust-absorbing chalkboard eraser provided is characterized in that the power supply and the motor are arranged in the eraser body, the impeller is arranged on the motor, the power supply is connected with the motor via the power supply switch and the power supply line the plurality of dust-absorbing holes are arranged in the wiper, the dust-absorbing holes are communicated with the inner cavity of the eraser body, the vent is arranged in the eraser body, the vent is communicated with the inner cavity of the eraser body, and the dust box and the filter screen are arranged in the eraser body. The dust-absorbing chalkboard eraser provided can effectively enable the chalk dust on the chalkboard eraser to fall into the box, and facilitates the sanitation of a platform, thereby overcoming the defects that a blackboard eraser in the prior art makes chalk dust all over the platform and pollutes classroom environment.

Description

Dust absorbnig chalk eraser
Technical field
The utility model relates to the realia field, particularly relates to a kind of dust absorbnig chalk eraser.
Background technology
While imparting knowledge to students the chalkboard eraser wiping of commonly using, powder and ash can fly upward everywhere, and while not having in the function of dust suction, particularly classroom in summer to use fan, the academics and students to some extent can be from nostril and sucked in the mouth chalk dust, has a strong impact on classroom environment and teachers and students' health.
Summary of the invention
technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of dust absorbnig chalk eraser is provided, utility model solves the technical scheme that its technical problem adopts: structure of the present utility model comprises rub body, power switch, air suction opening, wiper, power supply, power line, impeller, motor, passage, the dust box, screen pack, it is characterized in that in rub body being equipped with power supply and motor, impeller is installed on motor, power supply is connected with motor with power switch by power line, be provided with several air suction openings on wiper, air suction opening communicates with the inner chamber of rub body, be provided with passage on rub body, passage communicates with the inner chamber of rub body, dust box and screen pack are installed in rub body.
During use, connect power supply, the driven by motor wheel rotation, impeller inwardly produces wind motion and from passage, flows out, air suction opening place at wiper produces inside air-flow, dust under wiper is wiped sucks in rub body, and chalk dust is through the obstruction of filter screen, and the dust box that falls in rub body reaches the dust suction purpose.
The beneficial effects of the utility model are, the utility model can make the dust on blackboard eraser fall into box effectively, is conducive to the dais health, thereby overcome existing blackboard eraser, make the dais to be all dust, pollute the weak points such as classroom environment.
Description of drawings
Fig. 1: example structure schematic diagram of the present utility model;
In figure: rub body 1, power switch 2, air suction opening 3, wiper 4, power supply 5, power line 6, impeller 7, motor 8, passage 9, dust box 10, screen pack 11.
The specific embodiment
illustrate referring to the drawings the utility model is done following concrete detailed description: as shown in the figure, structure of the present utility model comprises rub body 1, power switch 2, air suction opening 3, wiper 4, power supply 5, power line 6, impeller 7, motor 8, passage 9, dust box 10, screen pack 11, it is characterized in that in rub body 1 being equipped with power supply 5 and motor 8, impeller 7 is installed on motor 8, power supply 5 is connected with power switch and is connected with motor 8 by power line 6, be provided with several air suction openings 3 on wiper 4, air suction opening 3 communicates with the inner chamber of rub body 1, be provided with passage 9 on rub body 1, passage 9 communicates with the inner chamber of rub body 1, dust box 10 and screen pack 11 are installed in rub body 1.During use, connect power supply 5, motor 8 impeller 7 are rotated, impeller 7 inwardly produces wind motion and from passage 9, flows out, air suction opening 3 places at wiper 4 produce inside air-flow, dust under wiper 4 is wiped sucks in rub body 1, and chalk dust is through the obstruction of filter screen 11, and the dust box 10 that falls in rub body 1 reaches the dust suction purpose.

Claims (1)

1. dust absorbnig chalk eraser, comprise rub body (1), power switch (2), air suction opening (3), wiper (4), power supply (5), power line (6), impeller (7), motor (8), passage (9), dust box (10), screen pack (11), it is characterized in that in rub body (1) being equipped with power supply (5) and motor (8), impeller (7) is installed on motor (8), power supply (5) is connected 2 by power line (6) with power switch) be connected with motor (8), be provided with several air suction openings (3) on wiper (4), air suction opening (3) communicates with the inner chamber of rub body (1), be provided with passage (9) on rub body (1), passage (9) communicates with the inner chamber of rub body (1), dust box (10) and screen pack (11) are installed in rub body (1).
?
CN2012202695622U 2012-06-08 2012-06-08 Dust-absorbing chalkboard eraser Expired - Fee Related CN203293783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202695622U CN203293783U (en) 2012-06-08 2012-06-08 Dust-absorbing chalkboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012202695622U CN203293783U (en) 2012-06-08 2012-06-08 Dust-absorbing chalkboard eraser

Publications (1)

Publication Number Publication Date
CN203293783U true CN203293783U (en) 2013-11-20

Family

ID=49569820

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012202695622U Expired - Fee Related CN203293783U (en) 2012-06-08 2012-06-08 Dust-absorbing chalkboard eraser

Country Status (1)

Country Link
CN (1) CN203293783U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107323139A (en) * 2017-07-05 2017-11-07 张可然 Integral type dust absorption blackboard eraser and its application
CN110154600A (en) * 2019-05-31 2019-08-23 毛潞 It erases the board and uses auxiliary device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107323139A (en) * 2017-07-05 2017-11-07 张可然 Integral type dust absorption blackboard eraser and its application
CN110154600A (en) * 2019-05-31 2019-08-23 毛潞 It erases the board and uses auxiliary device

Similar Documents

Publication Publication Date Title
CN204367724U (en) Blackboard for education wiping dust arrester
CN204222496U (en) Automatic dust absorption chalkboard eraser
CN205326620U (en) Electric chalk -dust absorbing type blackboard eraser
CN203305740U (en) Environment-friendly dust collection blackboard eraser
CN203004848U (en) Automatic dust collector for blackboard eraser
CN203293783U (en) Dust-absorbing chalkboard eraser
CN203528156U (en) Multifunctional dust-collection type blackboard eraser
CN201998703U (en) Electrostatic dust absorption blackboard eraser
CN206718830U (en) A kind of multifunctional motor-driven dust-removing blackboard eraser
CN204398699U (en) A kind of electric dust sucting brush
CN204236106U (en) A kind of teaching dust absorption blackboard eraser
CN204184094U (en) A kind of blackboard surface cleaning device
CN201073884Y (en) Electric dust-absorbing blackboard eraser
CN203142198U (en) Dust-free blackboard eraser
CN202557135U (en) Dust-collecting blackboard eraser
CN201693942U (en) Blackboard eraser
CN201922799U (en) Dust-collecting eraser
CN203126302U (en) Dust-removing eraser
CN201099112Y (en) Dust-absorbing blackboard eraser
CN201086563Y (en) Dust absorption blackboard
CN201338481Y (en) Dustless electric blackboard eraser
CN204955866U (en) Electric dust -absorbing blackboard eraser
CN102476542A (en) Dust suction blackboard eraser
CN103963520A (en) Electric dust-suction blackboard eraser
CN202703046U (en) Novel blackboard eraser

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131120

Termination date: 20140608