CN2432056Y - Dustless blackboard eraser - Google Patents
Dustless blackboard eraser Download PDFInfo
- Publication number
- CN2432056Y CN2432056Y CN 99255948 CN99255948U CN2432056Y CN 2432056 Y CN2432056 Y CN 2432056Y CN 99255948 CN99255948 CN 99255948 CN 99255948 U CN99255948 U CN 99255948U CN 2432056 Y CN2432056 Y CN 2432056Y
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- CN
- China
- Prior art keywords
- utility
- model
- rectangular shape
- palisade
- shell
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- 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 relates to a dustless blackboard eraser belonging to the technical field of the group of cleaning devices of blackboards or stone boards with chalk dust absorbing devices of the subclass of writing or drawing articles; writing or drawing auxiliary articles under the subsection of printing in the section of performing operations and transporting according to the International Patent Classification (IPC), and the code mark is B43L21/02. The utility model is mainly composed of a wool felt, a battery box, a switch, a motor, a vent pipe, a garbage box and a shell. The utility model is characterized in that a grid-shaped shim board of the utility model is arranged on the upper surface of the cuboid shell by using a pasting method, and a cuboid pasting structure is formed. The utility model is the dustless blackboard eraser having the advantage of practicability.
Description
The utility model relates to a kind of dust-free black board eraser.(IPC) belongs to operation Department of Transportation by International Patent Classification (IPC), and printing branch is write or drawing appliance, the big class of office appliance, write or drawing article, the assistant product group of writing or draw has the blackboard of sucking chalk powder device or the cleaning device technical group field of slabstone.Be numbered B43L21/02.
At present, the technology about the cleaning device of blackboard that the sucking chalk powder device is arranged or slabstone existing and that once had was all done very fruitful effort to the demand of dust-free black board eraser, also once designed many outstanding technical schemes.As being declared by Zhang Jieyi of the Decree of Patent Office of China in 1996, Granted publication number is CN2218090Y, and China Patent No. (ZL) is: No. 95236158.2 utility model title is the utility model patent of " blackboard eraser soot blower ", the technical scheme that is adopted.Cleaning device technical elements at blackboard that the sucking chalk powder device is arranged or slabstone is a routine of great value invention, and it has solved the problem of blackboard eraser soot blower band soot blower effectively.But still have some deficits, its also be difficult to solve does not have the exist everywhere problem of phenomenon of chalk dust when erasing the board.
The purpose of this utility model is to provide a kind of dust-free black board eraser.There is not the exist everywhere problem of phenomenon of chalk dust when erasing the board with solution.
The purpose of this utility model is achieved in that a kind of dust-free black board eraser of this utility model.Mainly constitute by felt, palisade backing plate, fan blade, battery case, switch, motor, ventilation duct, dustbin, lead, shell.Its major part felt, switch, motor, lead are by selecting for use on the market.Its palisade backing plate is the palisade shape, makes material with plank, through the machining manufacturing.Its fan blade is the twayblade shape, makes material with plastics, moulds processing and manufacturing through pad.Its dustbin is a rectangular shape, makes material with plastics, through the thermoplastic processing and manufacturing.The felt of its rectangular shape adopts adhesive method to be installed on the palisade backing plate of palisade shape, form the sticking structure of a palisade shape, the palisade backing plate 2 of its palisade shape adopts method of attaching to be installed on the upper surface of outer cover of rectangular shape, form the sticking structure of a rectangular shape, the fan blade of its twayblade shape adopts the interference fit method to be installed on the motor of rectangular shape, form the over-surplus fit structure of " T " glyph shape, the motor of its rectangular shape adopts adhesive method to be installed on the lower surface of shell of rectangular shape, form the adhesive structure of " T " glyph shape, the ventilation duct of its cylindrical shape adopts the interference fit method to be installed on the shell right side of rectangular shape, form the over-surplus fit structure of " T " glyph shape, the dustbin of its rectangular shape adopts the interference fit method to be installed on the cylindrical ventilation duct, form the over-surplus fit structure of " T " glyph shape, the switch of its rectangular shape adopts method of attaching to be installed on the lower left corner outer wall of shell front side of rectangular shape, form the sticking structure of a rectangular shape, the battery case of its rectangular shape adopts method of attaching to be installed in the inwall lower left corner of bottom of shell of rectangular shape, form the sticking structure of a rectangular shape, its motor acts on the space of palisade pad by fan blade, thereby make fan blade satisfy the requirement that sucks chalk dust, its dustbin acts on shell by ventilation duct, thereby dustbin is finished pack into the task of chalk dust.So just realized the purpose of this utility model.
The utility model has been compared three advantages and improvement with the original blackboard that the sucking chalk powder device is arranged or the cleaning device technology of slabstone;
The first, because the utility model has designed fan blade in technical scheme, so solved the problem that can suck chalk dust;
The second, because the utility model designed the palisade backing plate in technical scheme, can enter problem in the shell by it so solved chalk dust;
The 3rd, because the utility model has designed dustbin in technical scheme, so solved the problem of holding unnecessary chalk dust.Thereby just can more effectively solve and not have the exist everywhere problem of phenomenon of chalk dust when erasing the board.
Accompanying drawing provides structural representation of the present utility model:
Fig. 1 is the internal structure schematic diagram of a kind of dust-free black board eraser of the utility model;
The numbering of parts explanation in the schematic diagram: 1 felt, 2 palisade backing plates, 3 fan blade, 4 battery cases, 5 switches, 6 motors, 7 ventilation ducts, 8 dustbins, 9 leads, 10 shells
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in the figure, a kind of dust-free black board eraser of the utility model. Mainly by felt 1, palisade backing plate 2, fan blade 3, battery case 4, switch 5, motor 6, ventilation duct 7, dustbin 8, lead 9, shell 10 consist of. Its major part felt 1, switch 5, motor 6, Lead 9 is by selecting on the market. Its palisade backing plate 2 is palisade shapes, makes material with plank, warp Cross the machining manufacturing. Its fan blade 3 is twayblade shapes, makes material with plastics, process Pad is moulded processing and manufacturing. Its dustbin 8 is rectangular shapes, makes material with plastics, through thermoplastic Processing and manufacturing. The felt 1 of its rectangular shape adopts adhesive method to be installed in the grid of palisade shape On the shape backing plate 2, form the sticking structure of a palisade shape, the palisade backing plate of its palisade shape 2 adopt method of attaching to be installed on shell 10 upper surfaces of rectangular shape, form a cuboid The sticking structure of shape, the fan blade 3 of its twayblade shape adopts the interference fit method to install On the motor 6 of rectangular shape, form the over-surplus fit structure of " T " font shape, The motor 6 of its rectangular shape adopts adhesive methods to be installed in the shell 10 of rectangular shape On the lower surface, form the adhesive structure of " T " font shape, its cylindrical shape logical Airduct 7 adopts the interference fit method to be installed on shell 10 right sides of rectangular shape, forms one The over-surplus fit structure of individual " T " font shape, the dustbin 8 of its rectangular shape adopted The fitting method that is full of is installed on the cylindrical ventilation duct 7, forms the interference of " T " font shape Fit structure, the switch 5 employing method of attaching of its rectangular shape are installed in rectangular shape On the lower left corner outer wall of shell 10 front sides, form the sticking structure of a rectangular shape, it The battery case 4 of rectangular shape adopts method of attaching to be installed in the end of the shell 10 of rectangular shape In the inwall lower left corner of section, form the sticking structure of a rectangular shape, its motor 6 passes through Fan blade 3 acts on the space of palisade pad 2, sucks powder thereby fan blade 3 is satisfied The requirement of pen ash, its dustbin 8 acts on shell 10 by ventilation duct 7, thereby makes rubbish Box 8 is finished the task of the chalk dust of packing into. So just realized the purpose of this utility model. Thereby just Can solve and not have the exist everywhere problem of phenomenon of chalk dust when erasing the board.
Below by embodiment, the utility model is done more detailed description:
Embodiment 1, in force, if pack battery into, the switch 5 of opening power, motor 6 obtains electric current, begins to rotate, the fan blade 3 that drives on the motor shaft begins to rotate, and fan blade can suck air from the palisade space that sees through palisade backing plate 2, makes the internal motion of the air external world to shell 10.
Embodiment 2, in force, if erase the board, take and want the rear portion of shell 10 just can wipe, and turn on the power switch 5, Yi Bian wiping blackboard, can suck the chalk dust under wiping in the shell 6 simultaneously.Chalk dust enters dustbin 8 by ventilation duct 7.Thereby just can realize the purpose of this utility model.
Realize that preferred plan of the present utility model is is material with plank, plastics, utilize the basic equipment of blackboard eraser processing factory, take cutting, thermoplastic to produce by batch, the demand with supply blackboard eraser circle so just can realize practical value of the present utility model and economic worth better.
Claims (4)
1. dust-free black board eraser, it is to be made of felt (1), palisade backing plate (2), fan blade (3), battery case (4), switch (5), motor (6), ventilation duct (7), dustbin (8), lead (9), shell (10), the felt of its rectangular shape (1) is installed on the palisade backing plate (2) of palisade shape, form the sticking structure of a palisade, the palisade backing plate (2) that it is characterized in that its palisade shape is installed on shell (10) upper surface of rectangular shape.
2. a kind of dust-free black board eraser according to claim 1 is characterized in that the fan blade (3) of its twayblade shape is installed on the motor (6) of rectangular shape.
3. a kind of dust-free black board eraser according to claim 1, the battery case (4) that it is characterized in that its rectangular shape are installed in the inwall lower left corner of bottom of shell (10) of rectangular shape.
4. a kind of dust-free black board eraser according to claim 1, the switch (5) that it is characterized in that its rectangular shape are installed on the lower left corner outer wall of shell (10) front side of rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99255948 CN2432056Y (en) | 1999-12-13 | 1999-12-13 | Dustless blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99255948 CN2432056Y (en) | 1999-12-13 | 1999-12-13 | Dustless blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2432056Y true CN2432056Y (en) | 2001-05-30 |
Family
ID=34039187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99255948 Expired - Fee Related CN2432056Y (en) | 1999-12-13 | 1999-12-13 | Dustless blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2432056Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624559A (en) * | 2019-01-28 | 2019-04-16 | 王晨羽 | Multifunction dust removing box |
-
1999
- 1999-12-13 CN CN 99255948 patent/CN2432056Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624559A (en) * | 2019-01-28 | 2019-04-16 | 王晨羽 | Multifunction dust removing box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |