CN2838990Y - Ash-collecting blackboard eraser - Google Patents
Ash-collecting blackboard eraser Download PDFInfo
- Publication number
- CN2838990Y CN2838990Y CN 200520124853 CN200520124853U CN2838990Y CN 2838990 Y CN2838990 Y CN 2838990Y CN 200520124853 CN200520124853 CN 200520124853 CN 200520124853 U CN200520124853 U CN 200520124853U CN 2838990 Y CN2838990 Y CN 2838990Y
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- Prior art keywords
- blackboard eraser
- housing
- direct current
- current generator
- long tubular
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Abstract
A kind of ash-collecting blackboard eraser comprises housing, is fixedly connected with a plurality of draw-in grooves on the front inner wall of housing, and the blackboard eraser plate body is installed in the draw-in groove, has bristle on the blackboard eraser plate body, leaves the dust suction seam between blackboard eraser plate body and the inner walls.The middle part of housing is equipped with the high speed direct current generator, and the axle head of direct current generator is equipped with fan, and switch is installed on the housing.Direct current generator is connected with power transformer by lead, and the other end of power transformer is connected with plug.The rear end of housing is fixed with long tubular storage dirt bag, and the end of long tubular storage dirt bag has slide fastener, conveniently pours out dust.The lead of drawing from direct current generator passes from the inside of long tubular storage dirt bag, and the rear portion of storing up the dirt bag from long tubular passes.The utility model adopts 220 volts of ac power supplies, becomes 24 volts of direct currents and use for the high speed direct current generator after power transformer transformation, rectification, and the working time is long, and power is big, suction is strong.
Description
Technical field
The utility model relates to a kind of blackboard eraser, especially a kind of electronic ash-collecting blackboard eraser.
Background technology
The brush board of blackboard eraser commonly used middle part has bristle, bristle to be with the rubber frame that a trap is closed outward at present, and it has an important disadvantages, and the chalk foam under wiping when just being to use is uncontrollable, is suspended in the air severe contamination room air, harm health of human body.
The patent No. is 85203567, the utility model name is called the patent of electric dust absorption blackboard eraser, a kind of improved electronic sucking chalk powder device is provided, be electric dust absorption blackboard eraser. it is by housing, wiping arrangement, filter, ash collecting box, Power Drive Unit and power supply are formed, have evenly distributed air admission hole on the gripper shoe of wiping body, one chamber is arranged between the base plate of gripper shoe and power-driven mechanism, there is an air inlet in base plate central authorities, the fan blade outside of Power Drive Unit is provided with the involute-type blade cover, and there is a gas outlet to communicate with ash collecting box, the ash collecting box bottom has the exhaust grid, and one side has the grid of giving vent to anger, and lining is with filtering material.Its claim is " a kind of by housing, wiping arrangement; the electric dust absorption blackboard eraser that filter, ash collecting box, Power Drive Unit and power supply are formed; it is characterized in that: between the gripper shoe (10) of wiping body (11) and the base plate (5) of Power Drive Unit a chamber (13) is arranged; there is an air inlet (14) in base plate (5) central authorities; that the fan blade of Power Drive Unit (3) outside is provided with the blade cover (2) of the involute-type of taking gas port (15) out of, and gas outlet (15) communicate with ash collecting box (16).”
The patent that the patent No. is 86200138, the utility model name is called dust-free black board eraser belongs to a kind of technological improvement of teaching aid.This blackboard eraser is made of brush body, housing, bonnet and dust collecting system four parts.This wiping blackboard structure is simple, at the bottom of the cost, particularly just can realize the dedusting effect without additional source of energy.Its claim be " a kind of dust-free black board eraser, comprise bristle (3), supporting plate (2), housing (13), and dust collecting system form, of the present utility model being characterised in that, the above-mentioned supporting plate (2) that is implanted with bristle is provided with some through holes (20); Above-mentioned dust collecting system drives spur gear (11), (6) by colloid wheel (4), drives bevel gear (16), (17), drives fan (1) by axle (9) then and rotates; And single direction ratchet (19) is housed on the spur gear (6); On above-mentioned housing (13), have some through holes (15), and be provided with filter screen (7) in the inside at through hole position.”
The patent that the patent No. is 86202812, the utility model name is called efficient dust absorption blackboard eraser is by dust-absorbing tube, blackboard eraser, end cap, connect the dirt tube and form.Micromachine is equipped with in the dust-absorbing tube rear end, fan blade is housed on the miniature electrical machinery axle, starter motors etc. drive the fan blade rotation, the whole suction of being kicked up in the dust-absorbing tube outside of dust connects in the dirt tube, simple in structure, easy to use, be convenient to produce in a large number and apply, use this dust absorption blackboard eraser can make Faculty and Students not be subjected to the harm of dust.It also can be used as indoor Small-sized suction cleaner.The efficient dust absorption blackboard eraser of claim, by dust-absorbing tube, blackboard eraser, end cap, connect dirt tube etc. and form, it is characterized in that said dust-absorbing tube (1) rear end is equipped with micromachine (2), on the axle of micromachine (2) fan blade (8) is housed, battery (3) is equipped with in the left and right sides of micromachine (2), end cap (10) is fixed on dust-absorbing tube (1) rear portion, power switch (9) is installed in the top of end cap (10), connects the bottom that dirt tube (4) is contained in dust-absorbing tube (1) and communicates with dust-absorbing tube (1).
The patent that the patent No. is 00210768, the utility model name is called a kind of dust absorption blackboard eraser relates to a kind of dust absorption blackboard eraser.The enclosed construction that has screen pack for the centre, wherein: form by felt, felt seat, filter bag, shell, blower fan and guard shield, described felt point symmetry formula is fixed on the circular felt seat of centre bore, felt seat periphery is pushed down the peripheral back fastening with shell of filter bag, and the blower fan of band power line is housed between shell and the guard shield.Advantages such as it has simple in structure, and pick-up performance is good, and cost is low, and is simple to operate, easy to use.A kind of dust absorption blackboard eraser of claim, it is characterized in that: the enclosed construction that has screen pack for the centre, wherein: form by felt (1), felt seat (2), filter bag (3), shell (4), blower fan (5) and guard shield (6), described felt (1) point symmetry formula is fixed on the circular felt seat (2) of centre bore, felt seat (2) periphery is pushed down the peripheral back fastening with shell (4) of filter bag (3), and the blower fan (5) of band power line is housed between shell (4) and the guard shield (6).
The patent that the patent No. is 00203147, the utility model name is called automatic dust-absorption eraser discloses a kind of automatic dust-absorption eraser, is provided with electric fan in this blackboard eraser, and the powerful dust suction by electric fan significantly reduces dust from flying, and purifying and stive pollutes.Help protecting academics and students's physical and mental health, help protecting educational technology equipment.[claim] a kind of automatic dust-absorption eraser, it is characterized in that: it comprises shell (1), one circle rubber ripple (2) is arranged at the edge of shell (1), be provided with safety net (3) in shell (1) front and be fixed together with shell (1), flabellum (9) and motor (10) are arranged in the shell (1), one blackboard eraser (4) is arranged outside the safety net (3), by axle, motor (10), flabellum (9) links together with blackboard eraser (4), shell (1) is provided with an ash-hole with cover (5), shell (1) back side is provided with handle (6), and a switch (7) is arranged on the handle (6), and power line (8) is connected with motor (10).
The patent that the patent No. is 00257571, the utility model name is called a kind of novel blackboard eraser relates to a kind of novel blackboard eraser.Belong to operation Department of Transportation by International Patent Classification (IPC) (IPC) classification, printing branch is write or the big class of drawing article, the assistant product group of writing or draw, the cleaning device technical group field of blackboard or slabstone.Be numbered B43L21/00.It is to be made of bristle, suction port, brush board, fan, switch, battery case.The fan that it is characterized in that its impeller shape is installed on the brush board of rectangular shape.It is a kind of a kind of novel blackboard eraser that has very much practical value.[claim] a kind of novel blackboard eraser, it is to be made of bristle (1), suction port (2), brush board (3), fan (4), switch (5), battery case (6), the bristle (1) of its aciculiform shape is installed on the brush board (3) of rectangular shape, it is characterized in that the fan (4) of its impeller shape is installed on the brush board (3) of rectangular shape.
The patent No. is 01207650, the utility model name is called the patent of automatic dust-absorption eraser, it is a kind of automatic dust-absorption eraser, comprise housing and hairbrush, hairbrush is positioned at the surface of housing, be provided with fan blade in the housing, motor, battery chamber and screen pack, surface of shell between the hairbrush has some suction holes, the place of giving vent to anger of storeroom is provided with screen pack, fan blade is connected with the output shaft of motor, housing is provided with the steam vent corresponding with fan blade, simple in structure, easy to use, utilize the scavenging action of fan blade, dust is sucked storeroom, avoided blackboard eraser dust in the process that erases the board greatly to improve teaching environment, eliminated chalk dust health effects to diffusion all around.A kind of automatic dust-absorption eraser of claim, comprise housing and hairbrush, hairbrush is positioned at the surface of housing, it is characterized in that: be provided with fan blade, motor, battery chamber and screen pack in the housing, surface of shell between the hairbrush has some suction holes, and this suction hole is communicated with the storeroom of enclosure interior, and the place of giving vent to anger of storeroom is provided with screen pack, fan blade is connected with the output shaft of motor, and housing is provided with the steam vent corresponding with fan blade.
The patent that the patent No. is 01255238, the utility model name is called a kind of electric dust absorption blackboard eraser discloses a kind of electric dust absorption blackboard eraser, mainly solves existing blackboard eraser when blackboard wiping, the problem that dust is floating everywhere.A kind of electric dust absorption blackboard eraser described in the utility model contains face-piece, hairbrush base plate and hairbrush, on the hairbrush base plate perforate is arranged, and motor is housed in face-piece, and motor is connected with power supply by switch, and fan blade is connected on the motor.When erasing the board, open switch, the rotation of motor-driven fan blade sucks dust in the blackboard eraser from the perforate on the hairbrush base plate, has reduced the dust that floats, thereby helps the health of Faculty and Students.A kind of electric dust absorption blackboard eraser of claim, contain face-piece (1), hairbrush base plate (9) and hairbrush (10), it is characterized in that: perforate (12) is arranged on hairbrush base plate (9), motor (5) is housed in face-piece (1), motor (5) is connected with power supply (2) by switch (6), and fan blade (7) is connected on the motor (5).
Summary of the invention
The purpose of this utility model provides a kind of ash-collecting blackboard eraser that adopts AC-powered.
For achieving the above object, the utility model ash-collecting blackboard eraser, comprise: housing, the front end of housing is equipped with the blackboard eraser plate body, has bristle on the blackboard eraser plate body, it is characterized in that: the middle part of housing is equipped with direct current generator, the axle head of direct current generator is equipped with fan, switch is installed on the housing, and direct current generator is connected with power transformer by lead, and the other end of power transformer is connected with plug; The rear end of housing is fixed with long tubular storage dirt bag; Leave the dust suction seam between described blackboard eraser plate body and the inner walls.
According to described ash-collecting blackboard eraser, it is characterized in that: be fixedly connected with a plurality of draw-in grooves on the front inner wall of described housing, described blackboard eraser plate body is installed in the draw-in groove.
According to described ash-collecting blackboard eraser, it is characterized in that: the lead of drawing from direct current generator passes from the inside of long tubular storage dirt bag, passes with described power transformer from the rear portion that long tubular is stored up the dirt bag to be connected.
According to described ash-collecting blackboard eraser, it is characterized in that: the end of described long tubular storage dirt bag has slide fastener.
When using the utility model to erase the board, connect power supply earlier, open switch, the high speed direct current generator drives fan and rotates the generation negative pressure, make the chalk foam of wiping suck in the long tubular storage dirt bag from the dust suction seam, then collected chalk powder is outwelled, so just reached and avoided the chalk foam to raise outward, not air-polluting purpose.The utility model adopts 220 volts of ac power supplies, becomes 24 volts of direct currents and use for the high speed direct current generator after power transformer transformation, rectification, and the working time is long, and power is big, suction is strong.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
In the accompanying drawing: 1, bristle; 2, draw-in groove; 3, blackboard eraser plate body; 4, housing; 5, fan; 6, switch; 7, direct current generator; 8, grow tubular storage dirt bag; 9, lead; 10, slide fastener; 11, power transformer; 12, plug; 13, dust suction seam.
The specific embodiment
The utility model will be further described below in conjunction with the drawings and specific embodiments.
The utility model as shown in Figure 1 and Figure 2, comprise: housing 4, be fixedly connected with a plurality of draw-in grooves 2 on the front inner wall of housing, blackboard eraser plate body 3 is installed in the draw-in groove 2, have bristle 1 on the blackboard eraser plate body 3, leave dust suction seam 13 (referring to Fig. 2) between blackboard eraser plate body 3 and housing 4 inwalls.The opening (being picture among the figure) of being convenient to plug-in mounting blackboard eraser plate body can be left in the top of the front end of housing, is convenient to change blackboard eraser like this.
The middle part of housing is equipped with direct current generator 7, and direct current generator 7 is the high speed direct current generator.The axle head of direct current generator 7 is equipped with fan 5, and switch 6 is installed on the housing.Direct current generator 7 is connected with power transformer 11 by lead 9, and the other end of power transformer 11 is connected with plug 12.The rear end of housing is fixed with long tubular storage dirt bag 8, and it is 4 centimetres long tubular that long tubular storage dirt bag 8 can design grow up 6 meters, diameter, and the end that long tubular is stored up dirt bag (8) has slide fastener, conveniently pours out dust.
The utility model can be designed to the lead 9 of drawing from direct current generator 7 pass from the inside of long tubular storage dirt bag 8, and the rear portion of storing up dirt bag 8 from long tubular passes, and is connected with described power transformer 11 then.Attractive in appearance so succinct, convenient.
The end of power transformer 11 of the present utility model and long tubular storage dirt bag 8 can be contained in the special chest (not to be drawn among the figure), easy to use like this.
When using the utility model to erase the board, connect power supply earlier, open switch, the high speed direct current generator drives fan and rotates the generation negative pressure, make the chalk foam of wiping suck in the long tubular storage dirt bag from the dust suction seam, then collected chalk powder is outwelled, so just reached and avoided chalk powder to raise outward, not air-polluting purpose.The utility model adopts 220 volts of ac power supplies, becomes 24 volts of direct currents and use for the high speed direct current generator after power transformer transformation, rectification, and the working time is long, and power is big, suction is strong.
Claims (4)
1, a kind of ash-collecting blackboard eraser, comprise: housing (4), the front end of housing (4) is equipped with blackboard eraser plate body (3), have bristle (1) on the blackboard eraser plate body (3), it is characterized in that: the middle part of housing is equipped with direct current generator (7), and the axle head of direct current generator (7) is equipped with fan (5), and switch (6) is installed on the housing, direct current generator (7) is connected with power transformer (11) by lead (9), and the other end of power transformer (11) is connected with plug (12); The rear end of housing is fixed with long tubular storage dirt bag (8); Leave dust suction seam (13) between described blackboard eraser plate body (3) and housing (4) inwall.
2, ash-collecting blackboard eraser according to claim 1 is characterized in that: be fixedly connected with a plurality of draw-in grooves (2) on the front inner wall of described housing, described blackboard eraser plate body (3) is installed in the draw-in groove (2).
3, ash-collecting blackboard eraser according to claim 1, it is characterized in that: the lead (9) of drawing from direct current generator (7) passes from the inside of long tubular storage dirt bag (8), passes with described power transformer (11) from the rear portion that long tubular is stored up dirt bag (8) to be connected.
4, according to claim 1 or 2 or 3 described ash-collecting blackboard erasers, it is characterized in that: the end of described long tubular storage dirt bag (8) has slide fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124853 CN2838990Y (en) | 2005-11-17 | 2005-11-17 | Ash-collecting blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124853 CN2838990Y (en) | 2005-11-17 | 2005-11-17 | Ash-collecting blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2838990Y true CN2838990Y (en) | 2006-11-22 |
Family
ID=37426975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520124853 Expired - Fee Related CN2838990Y (en) | 2005-11-17 | 2005-11-17 | Ash-collecting blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2838990Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114917A (en) * | 2017-12-18 | 2018-06-05 | 温州市新丰装饰材料有限公司 | A kind of release paper produces cleaning dust remover |
-
2005
- 2005-11-17 CN CN 200520124853 patent/CN2838990Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114917A (en) * | 2017-12-18 | 2018-06-05 | 温州市新丰装饰材料有限公司 | A kind of release paper produces cleaning dust remover |
| CN108114917B (en) * | 2017-12-18 | 2021-04-23 | 温州市新丰装饰材料有限公司 | From clean dust collector of type paper production |
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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 |