CN200974415Y - Electric dust-absorbing type blackboard eraser - Google Patents

Electric dust-absorbing type blackboard eraser Download PDF

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Publication number
CN200974415Y
CN200974415Y CN 200620161100 CN200620161100U CN200974415Y CN 200974415 Y CN200974415 Y CN 200974415Y CN 200620161100 CN200620161100 CN 200620161100 CN 200620161100 U CN200620161100 U CN 200620161100U CN 200974415 Y CN200974415 Y CN 200974415Y
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CN
China
Prior art keywords
blackboard eraser
housing
electric dust
dust absorption
dust
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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
Application number
CN 200620161100
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Chinese (zh)
Inventor
赵庭辉
赵连柱
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赵连柱
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Application filed by 赵连柱 filed Critical 赵连柱
Priority to CN 200620161100 priority Critical patent/CN200974415Y/en
Application granted granted Critical
Publication of CN200974415Y publication Critical patent/CN200974415Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model is an electric dust-suction blackboard, which includes a shell; the front inner wall of the shell is connected with a plurality of grooves ; the groove is provided with blackboard brush body; the blackboard brush is provided with brush fur; the blackboard plate body can be replaced by pulling and drawing mode. The middle part of the shell is provided with a DC motor; the shaft end of the DC motor is provided with a fan, of which the power is supplied by AC power or rechargeable battery; a dust seam is remained between the blackboard brush and the inner wall of the shell; the blackboard plate is provided with a dust hole; suction hole; the read end of the shell is provided with a filtering cover; the filtering cover is provided with air outlet hole. The filtering cover is provided wit a filtering bag inside. The rear end shell can contain power dust storage rack; the front end of the power dust rack is connected inside the shell through a clamp claw and located in the filtering cover. The power of the utility model is supplied by 220 V AC power supply.

Description

Electric dust absorption formula blackboard eraser
Technical field
The utility model relates to a kind of blackboard eraser, especially a kind of electric dust absorption formula blackboard eraser.
Background technology
The brush board of blackboard eraser commonly used middle part has bristle at present, and bristle is with the rubber frame that a trap is closed outward, 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.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, and fan blade is housed on the miniature electrical machinery axle, and starter motor etc. drive the fan blade rotation, and whole suction of being kicked up in the dust-absorbing tube outside of dust connects in the dirt tube.Its claim for " efficient dust absorption blackboard eraser, 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), connect the bottom that dirt tube (4) is contained in dust-absorbing tube (1) and communicate 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, relate 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.Its claim is that " a kind of dust absorption blackboard eraser; it is characterized in that: the enclosed construction that has screen pack for the centre; wherein: be made up of 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) is equipped with the blower fan (5) of band power line 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, by the powerful dust suction of electric fan.Help protecting academics and students's physical and mental health, help protecting educational technology equipment.Its claim is that " a kind of automatic dust-absorption eraser; it is characterized in that: it comprises shell (1); a circle rubber ripple (2) is arranged; 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) at the edge of shell (1); safety net (3) has a blackboard eraser (4) outward, 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, and 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.Its claim is " 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 that the patent No. is 01207650, the utility model name is called automatic dust-absorption eraser, comprise housing and hairbrush, hairbrush is positioned at the surface of housing, be provided with fan blade, motor, battery chamber and screen pack in the housing, 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, utilize the scavenging action of fan blade, dust is sucked storeroom, avoided blackboard eraser in the process that erases the board dust to around the diffusion.Its claim be " a kind of automatic dust-absorption eraser; 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; the surface of shell between the hairbrush has some suction holes, this suction hole is communicated with the storeroom of enclosure interior, 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.This electric dust absorption blackboard eraser 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.Its claim is " a kind of electric dust absorption blackboard eraser; 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 the ash-collecting blackboard eraser of a kind of employing ac power supply or rechargeable battery (or dry cell) power supply.
To achieve these goals, the utility model electric dust absorption formula blackboard eraser, comprise: housing, the front end of housing is equipped with the blackboard eraser plate body, have bristle on the blackboard eraser plate body, it is characterized in that: the middle part of housing is equipped with direct current generator, and the axle head of direct current generator is equipped with fan, switch is installed on the housing, and direct current generator adopts ac power supply or directly adopts rechargeable battery, dry cell power supply; Leave the dust suction seam between described blackboard eraser plate body and the inner walls; The rear end of described housing is equipped with filter mantle, is fixed with filter bag in the filter mantle.
According to described electric dust absorption formula 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 electric dust absorption formula blackboard eraser, it is characterized in that: the upper front end of described housing leaves the blackboard eraser plate body and inserts mouth.
According to described electric dust absorption formula blackboard eraser, it is characterized in that: the filter bag support ring is installed in the described filter mantle, and the filter bag support ring is fixed on filter bag in the filter mantle.
According to described electric dust absorption formula blackboard eraser, it is characterized in that: be connected with the arc support bar on the described filter bag support ring.
According to described electric dust absorption formula blackboard eraser, it is characterized in that: the rear end of described filter mantle and housing is by being threaded.
According to described electric dust absorption formula blackboard eraser, it is characterized in that: have air suction opening on the described blackboard eraser plate body; Have venthole on the described filter mantle.
According to described electric dust absorption formula blackboard eraser, it is characterized in that: dust storage dirt frame is installed in the rear end housing of described housing, and the front end of dust storage dirt frame is connected in the housing by claw, and is positioned at filter mantle.
According to described electric dust absorption formula blackboard eraser, it is characterized in that: have all flanges with corresponding position, housing rear end on the outer wall of described dust storage dirt frame.
According to described electric dust absorption formula blackboard eraser, it is characterized in that: have external screw thread on the middle part outer wall of described dust storage dirt frame, filter mantle is fixedlyed connected with dust storage dirt frame by internal thread.
The utility model erases the board when using, connect the 220V 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 filter bag, when the chalk foam in the filter bag is collected to a certain degree, can screw off filter mantle collected chalk powder is outwelled from the air suction opening on dust suction seam and the blackboard eraser rub body, so just reached and avoided the chalk foam to raise outward, not air-polluting purpose.The utility model rotates as driving fan with the middling speed direct current generator, optional with the little power transformer drive of power, also can select for use dry cell or rechargeable battery to drive direct current generator, but wind-force is less like this, the front end of housing should be connected with a circle rubber skin frame with sealing dust suction zone.The utility model adopts 220 volts of ac power supplies, becomes 1~36 volt of direct current 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.Also can be directly with a joint or a more piece dry cell or rechargeable battery powered, easy to use, safe, noise is little.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
A kind of embodiment schematic diagram that the blackboard eraser plate body can be extracted out from the housing top in Fig. 2 the utility model.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is for having a kind of embodiment schematic diagram of a plurality of air suction openings in the blackboard eraser plate body in the utility model.
Fig. 5 is direct a kind of embodiment schematic diagram with rechargeable battery or dry cell power supply in the utility model.
A kind of embodiment schematic diagram that has dust storage dirt frame in Fig. 6 the utility model in the filter mantle.
Fig. 7 is for having a kind of embodiment schematic diagram of flange in addition on the dust storage dirt frame among Fig. 6.
Fig. 8 is installed in a kind of embodiment schematic diagram on the dust storage dirt frame for filter mantle among Fig. 6 by screw thread.
Fig. 9 is for having a kind of embodiment schematic diagram of filter bag support ring in the filter mantle in the utility model.
Figure 10 is for being connected with a kind of embodiment schematic diagram of arc support bar on the filter bag support ring among Fig. 9.
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, filter mantle; 9, venthole; 10, filter bag; 11, power transformer; 12, dust suction seam; 13, air suction opening; 14, charging socket; 15, rechargeable battery or dry cell; 16, dust storage dirt frame; 17, claw; 18, flange; 19, filter bag support ring; 20, arc support bar.
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, 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, the middle part of housing is equipped with direct current generator 7, the axle head of direct current generator 7 is equipped with fan 5, and switch 6 is installed on the housing, and direct current generator 7 adopts ac power supply or directly adopts rechargeable battery, dry cell power supply.The rear end of housing 4 is equipped with filter mantle 8, has venthole 9 on the filter mantle 8, is fixed with filter bag 10 in the filter mantle 8, and filter bag 10 can be bonded in the filter mantle 8 by glue.
When direct current generator 7 adopts ac power supplies shown in Fig. 1, Fig. 2, Fig. 4, Fig. 6 etc.
When direct current generator 7 directly adopts rechargeable battery, dry cell power supply as shown in Figure 5.
As Fig. 1, shown in Figure 3, 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.Leave dust suction seam 12 between blackboard eraser plate body 3 and housing 4 inwalls.Can also have air suction opening 13 on the blackboard eraser plate body 3, as shown in Figure 4.
In addition,, can leave the opening of being convenient to plug-in mounting blackboard eraser plate body on the front end of housing, be beneficial to blackboard eraser plate body 3 pulls and change as Fig. 2, shown in Figure 3.
As shown in Figure 9, in the filter mantle 8 filter bag support ring 19 can be installed, filter bag support ring 19 is fixed on filter bag 10 in the filter mantle 8.
As shown in figure 10, be connected with arc support bar 20 on the filter bag support ring 19.
As shown in Figure 6, dust storage dirt frame 16 can be installed in the rear end housing of housing 4, the front end of dust storage dirt frame 16 is connected in the housing by claw 17, and is positioned at filter mantle 8.
Have all flanges 18 with corresponding position, housing rear end on the outer wall of dust storage dirt frame 16 as shown in Figure 7.
Filter mantle 8 in the utility model can be by being threaded with the rear end of housing 4.Can also be as shown in Figure 8, have external screw thread on the middle part outer wall of dust storage dirt frame 16, filter mantle 8 is fixedlyed connected with dust storage dirt frame 16 by internal thread.
The utility model erases the board when using, connect the 220V 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 filter bag, when the chalk foam in the filter bag is collected to a certain degree, can screw off filter mantle collected chalk powder is outwelled from the air suction opening on dust suction seam and the blackboard eraser rub body, so just reached and avoided the chalk foam to raise outward, not air-polluting purpose.The utility model rotates as driving fan with the middling speed direct current generator, optional with the little power transformer drive of power, also optional with battery or rechargeable battery drive direct current generator, but wind-force is less like this, and the front end of housing should be connected with a circle rubber skin frame with sealing dust suction zone.The utility model adopts 220 volts of ac power supplies, becomes 1~36 volt of direct current 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.Also can be directly with a joint or a more piece dry cell or rechargeable battery powered, easy to use, safe, noise is little.

Claims (10)

1, a kind of electric dust absorption formula 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), the axle head of direct current generator (7) is equipped with fan (5), and switch (6) is installed on the housing, and direct current generator (7) adopts ac power supply or directly adopts rechargeable battery, dry cell power supply; Leave dust suction seam (12) between described blackboard eraser plate body (3) and housing (4) inwall; The rear end of described housing (4) is equipped with filter mantle (8), is fixed with filter bag (10) in the filter mantle (8).
2, electric dust absorption formula 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, electric dust absorption formula blackboard eraser according to claim 2 is characterized in that: the upper front end of described housing leaves the blackboard eraser plate body and inserts mouth.
4, electric dust absorption formula blackboard eraser according to claim 1 is characterized in that: filter bag support ring (19) is installed in the described filter mantle (8), and filter bag support ring (19) is fixed on filter bag (10) in the filter mantle (8).
5, electric dust absorption formula blackboard eraser according to claim 4 is characterized in that: be connected with arc support bar (20) on the described filter bag support ring (19).
6, electric dust absorption formula blackboard eraser according to claim 1 is characterized in that: the rear end of described filter mantle (8) and housing (4) is by being threaded.
7, electric dust absorption formula blackboard eraser according to claim 1 is characterized in that: have air suction opening (13) on the described blackboard eraser plate body (3); Have venthole (9) on the described filter mantle (8).
8, electric dust absorption formula blackboard eraser according to claim 1, it is characterized in that: dust storage dirt frame (16) is installed in the rear end housing of described housing (4), the front end of dust storage dirt frame (16) is connected in the housing by claw (17), and is positioned at filter mantle (8).
9, electric dust absorption formula blackboard eraser according to claim 8 is characterized in that: have all flanges (18) with housing (4) corresponding position, rear end on the outer wall of described dust storage dirt frame (16).
10, electric dust absorption formula blackboard eraser according to claim 8 is characterized in that: have external screw thread on the middle part outer wall of described dust storage dirt frame (16), filter mantle (8) is fixedlyed connected with dust storage dirt frame (16) by internal thread.
CN 200620161100 2006-11-30 2006-11-30 Electric dust-absorbing type blackboard eraser Expired - Fee Related CN200974415Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620161100 CN200974415Y (en) 2006-11-30 2006-11-30 Electric dust-absorbing type blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620161100 CN200974415Y (en) 2006-11-30 2006-11-30 Electric dust-absorbing type blackboard eraser

Publications (1)

Publication Number Publication Date
CN200974415Y true CN200974415Y (en) 2007-11-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620161100 Expired - Fee Related CN200974415Y (en) 2006-11-30 2006-11-30 Electric dust-absorbing type blackboard eraser

Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101966788A (en) * 2010-11-04 2011-02-09 尚玉东 Rechargeable tian-shaped blackboard eraser
CN102367032A (en) * 2011-10-24 2012-03-07 沈阳化工大学 Wet-adsorbing dust-free blackboard eraser
CN105848701A (en) * 2013-12-26 2016-08-10 株式会社美全 Filter structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101966788A (en) * 2010-11-04 2011-02-09 尚玉东 Rechargeable tian-shaped blackboard eraser
CN102367032A (en) * 2011-10-24 2012-03-07 沈阳化工大学 Wet-adsorbing dust-free blackboard eraser
CN105848701A (en) * 2013-12-26 2016-08-10 株式会社美全 Filter structure

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