CN201338481Y - Dustless electric blackboard eraser - Google Patents
Dustless electric blackboard eraser Download PDFInfo
- Publication number
- CN201338481Y CN201338481Y CNU2008202244053U CN200820224405U CN201338481Y CN 201338481 Y CN201338481 Y CN 201338481Y CN U2008202244053 U CNU2008202244053 U CN U2008202244053U CN 200820224405 U CN200820224405 U CN 200820224405U CN 201338481 Y CN201338481 Y CN 201338481Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- handle
- motor
- eraser
- casing
- 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
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a dustless electric blackboard eraser which comprises an eraser coir brush, a rubber ring, a felt block, an isolating plate, a fan blade, a motor, a casing and a handle. The casing is connected and arranged at the upper end of the handle, and a motor connected through a wire is arranged inside the casing; The air permeable isolating plate is arranged at the front end of the casing in the inside position, and the fan blade used for sucking air backward is arranged on the motor shaft between the isolating plate and the motor. The felt block for preventing solid articles from passing is arranged in front of the isolating plate. The eraser coir brush is connected and arranged at the frontmost end of the motor shaft, and the rubber ring is arranged around the eraser coir brush and fixed at the front end of the casing, so that the rubber ring can also be used as the dust box of the dustless electric blackboard eraser. The dustless electric blackboard eraser has the advantages of simple structure, convenient operation and use; therefore, when the blackboard is wiped, quick cleaning of the blackboard can be ensured, the fly of dust can also be avoided, the environment in the classroom can be ensured not to be destroyed by blackboard wiping, and the physical health of teachers and students can be guaranteed.
Description
Technical field:
The utility model relates to teaching aid, relates in particular to electric dust-less blackboard and wipes.
Background technology:
In the teaching process, the teacher is clean with blackboard eraser with blackboard eraser behind the word that writes with chalk on the blackboard.Traditional blackboard eraser not only makes troubles to teachers and students for many years, the more important thing is the dust that forms in the wiping process, the severe contamination classroom environment, and the harm teachers and students' is healthy.
The utility model content:
The purpose of this utility model is, overcomes the deficiencies in the prior art part, provides a kind of electric dust-less blackboard to wipe, and with the form of electric dust absorption, guarantees that the situation that does not have dust from flying in wiping process takes place.
Electric dust-less blackboard described in the utility model is wiped, and includes blackboard eraser palm brush, rubber ring, felt piece, division board, fan blade, motor, housing and handle and forms.Said handle is a vertical convenient hand-held handle, and the lower end connection of handle is provided with external power line, and the front side, middle and upper part of handle is provided with the power switch of handled easily.The upper end connection of handle is provided with housing, is provided with the motor that electric wire connects in the housing.The inner slightly position of the front end of housing is provided with ventilative division board, in division board, also is on the motor shaft between division board and the motor, is provided with the fan blade that air draught is backward used.In the front of said division board, be provided with the felt piece that stops that solids passes through.At motor shaft foremost, connection is provided with the blackboard eraser palm brush, is centered around the border of said blackboard eraser palm brush, also is the front end that is fixed on housing, is provided with rubber ring.In said rubber ring, blackboard eraser palm brush and the dust under blackboard eraser palm brush rotation is wiped are preceding being arranged, under the iris action of the felt piece of back, accumulated in the space that rubber ring forms, so said here rubber ring is again a dust-collecting box of the present utility model.
Electric dust-less blackboard described in the utility model is wiped, and overall structure is simple, and is easy for operation.Use the utility model, in the blackboard wiping process, because fan blade is the iris action of air draught and felt piece backward, both can guarantee very fast can be with the blackboard wiped clean, can guarantee not have dust from flying again, guarantee that the environment in the classroom can not destroyed because of erasing the board, guarantee that teachers and students' is healthy.
Description of drawings:
Accompanying drawing is the structural representation that electric dust-less blackboard described in the utility model is wiped.1-blackboard eraser palm brush 2-rubber ring 3-felt piece 4-division board 5-fan blade 6 one motor 7-housing 8-handles
The specific embodiment:
Referring now to accompanying drawing 1, be described as follows in conjunction with the embodiments: electric dust-less blackboard described in the utility model is wiped, and includes blackboard eraser palm brush 1, rubber ring 2, felt piece 3, division board 4, fan blade 5, motor 6, housing 7 and handle 8 and forms.Said handle 8 is vertical convenient hand-held handles, and the lower end connection of handle 8 is provided with external power line, and the front side, middle and upper part of handle 8 is provided with the power switch of handled easily.The upper end connection of handle 8 is provided with housing 7, is provided with the motor 6 that electric wire connects in the housing 7.The inner slightly position of the front end of housing 7 is provided with ventilative division board 4, in division board 4, also is on the motor shaft between division board 4 and the motor 6, is provided with the fan blade 5 that air draught is backward used.In the front of said division board 4, be provided with the felt piece 3 that stops that solids passes through.At motor shaft foremost, connection is provided with blackboard eraser palm brush 1, is centered around the border of said blackboard eraser palm brush 1, also is the front end that is fixed on housing 7, is provided with rubber ring 2.In said rubber ring 2, preceding have blackboard eraser palm brush 1 rotation to wipe dust down, accumulated in the space of rubber ring 2 formation, so said here rubber ring 2 is again a dust-collecting box of the present utility model under the iris action of the felt piece 3 of back.Electric dust-less blackboard described in the utility model is wiped, and overall structure is simple, and is easy for operation.Use the utility model, in the blackboard wiping process, because fan blade 5 is the iris action of air draught and felt piece 3 backward, both can guarantee very fast can be with the blackboard wiped clean, can guarantee not have dust from flying again, guarantee that the environment in the classroom can not destroyed because of erasing the board, guarantee that teachers and students' is healthy.
Claims (1)
1, electric dust-less blackboard is wiped, and it is characterized in that handle (8) is a vertical convenient hand-held handle, and the lower end connection of handle (8) is provided with external power line, and the front side, middle and upper part of handle (8) is provided with the power switch of handled easily; The upper end connection of handle (8) is provided with housing (7), is provided with the motor (6) that electric wire connects in the housing (7); The inner slightly position of front end of housing (7) is provided with ventilative division board (4), in division board (4), also is on the motor shaft between division board (4) and the motor (6), is provided with the fan blade (5) that air draught is backward used; Front in said division board (4) is provided with the felt piece (3) that stops that solids passes through; At motor shaft foremost, connection is provided with blackboard eraser palm brush (1), is centered around the border of said blackboard eraser palm brush (1), also is the front end that is fixed on housing (7), is provided with rubber ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202244053U CN201338481Y (en) | 2008-11-24 | 2008-11-24 | Dustless electric blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202244053U CN201338481Y (en) | 2008-11-24 | 2008-11-24 | Dustless electric blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201338481Y true CN201338481Y (en) | 2009-11-04 |
Family
ID=41234019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202244053U Expired - Fee Related CN201338481Y (en) | 2008-11-24 | 2008-11-24 | Dustless electric blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201338481Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149528A (en) * | 2014-09-01 | 2014-11-19 | 于海涛 | Electric dust collection blackboard eraser |
-
2008
- 2008-11-24 CN CNU2008202244053U patent/CN201338481Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149528A (en) * | 2014-09-01 | 2014-11-19 | 于海涛 | Electric dust collection blackboard eraser |
| CN104149528B (en) * | 2014-09-01 | 2016-06-15 | 于海涛 | A kind of electric dust absorption blackboard eraser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204222496U (en) | Automatic dust absorption chalkboard eraser | |
| CN205326620U (en) | Electric chalk -dust absorbing type blackboard eraser | |
| CN201235691Y (en) | Electric blackboard eraser | |
| CN201338481Y (en) | Dustless electric blackboard eraser | |
| CN202703044U (en) | Dust-absorption type power-driven blackboard eraser | |
| CN201186566Y (en) | Electric dust-free black-board eraser | |
| CN200998973Y (en) | Electric dust-absorbing blackboard eraser | |
| CN201015940Y (en) | Automatic dust-absorption blackboard eraser machine | |
| CN201922797U (en) | Electric blackboard eraser capable of absorbing chalk dust for teaching | |
| CN203780164U (en) | Electric dust-collecting blackboard eraser | |
| CN201073884Y (en) | Electric dust-absorbing blackboard eraser | |
| CN202463376U (en) | Dust-absorption blackboard eraser | |
| CN201249614Y (en) | Blackboard eraser | |
| CN201296125Y (en) | Automatic dust-free blackboard eraser | |
| CN204506273U (en) | A kind of hand cleaning blackboard eraser | |
| CN200974414Y (en) | Dust-absorbing type blackboard eraser | |
| CN210172009U (en) | Quick cleaner for blackboard eraser | |
| CN204674256U (en) | A kind of dust absorption blackboard eraser | |
| CN201086563Y (en) | Dust absorption blackboard | |
| CN2902754Y (en) | Electric dust collecting blackboard eraser | |
| CN2806188Y (en) | Dust-absorbing eraser | |
| CN201195457Y (en) | Electrostatic absorption type blackboard eraser | |
| CN201922799U (en) | Dust-collecting eraser | |
| CN201415571Y (en) | Blackboard brush | |
| CN201516770U (en) | Electric dust-free 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: 20091104 Termination date: 20101124 |