CN202337152U - Two-side dust removal blackboard eraser - Google Patents

Two-side dust removal blackboard eraser Download PDF

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Publication number
CN202337152U
CN202337152U CN2011204976005U CN201120497600U CN202337152U CN 202337152 U CN202337152 U CN 202337152U CN 2011204976005 U CN2011204976005 U CN 2011204976005U CN 201120497600 U CN201120497600 U CN 201120497600U CN 202337152 U CN202337152 U CN 202337152U
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CN
China
Prior art keywords
dust
box
wiping
blackboard eraser
rotating shaft
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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
CN2011204976005U
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Chinese (zh)
Inventor
蔡成霖
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蔡成霖
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Priority to CN2011204976005U priority Critical patent/CN202337152U/en
Application granted granted Critical
Publication of CN202337152U publication Critical patent/CN202337152U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a two-side dust removal blackboard eraser, which comprises a box body (1), two erasing felts (2), a cleaning erasing felt brush (3) and a dust storage box (4), wherein the dust storage box (4) is positioned at the bottom of the box body. The two-side dust removal blackboard eraser is characterized in that a fixing plate (5) is arranged in the box body (1) and is used for fixing the front and back erasing felts (2), a rotating device is arranged in the fixing plate (5), and two sides of the box body (1) are also provided with static dust suction devices. The two-side dust removal blackboard eraser can erase a blackboard, in addition, the energy consumption is not needed, the wiping effect and the dust prevention effect can be kept good at any time, in addition, dust can be collected and treated, convenience is realized, the pollution is avoided, high efficiency and no pollution are realized in the erasing felt cleaning process, and the replacement use function is realized through the arrangement of the two-side erasing felts.

Description

Two-sided dust-removing blackboard eraser
Technical field
The utility model belongs to articles for use, the especially blackboard eraser of dust suction dedusting of a kind of teaching and office blackboard wiping.
Background technology
At present, disclosed dust-removing blackboard eraser has by it and adopts the classification of principle and purpose to mainly contain three kinds: felt absorption blackboard eraser, electronic absorption blackboard eraser, dustproof absorption blackboard eraser.Wherein, felt absorption blackboard eraser only possesses the function of wiping most of dust on the blackboard, but in its use; Have few part dust and follow the motion of blackboard eraser and fly upward, do not adsorbed, thereby continue in air, to fly upward by wiping carpet to the blackboard eraser both sides; When its wiping carpet surface adsorption ability reaches capacity state; Its adsorptivity can weaken greatly, even the situation of " wiping colored more more " can occur, has only through pinching and presses and impact the wiping carpet surface; Just can shake and fall to covering its surperficial dust, the dust that shake falls can fly upward in air because of destabilizing factors such as air-flow, wind-force.But because it is simple in structure, easily manufactured, cost is lower, occupies present staple market.With regard to it; Dust that flies upward in its wiping process and the dust that flies upward because of destabilizing factors such as air-flow, wind-force in cleaning are easy to sucked by the academics and students; Serious harm teachers and students' respiratory system also can have a strong impact on air quality and fly upward aerial dust other organs and tissue injury such as eyes, skin, ears; Because much harmful germ can both be adsorbed on the trickle dust, can cause that student group infects and other epidemic diseases.
Second; The function that electric dust absorption blackboard eraser has dedusting and collects dust; The electric power that sends through its inner motor or battery drives fan or makes the two articles pivoting friction produce the dust exhaust apparatus of static, but because it makes comparatively complicatedly, cost of manufacture is higher; The reason that need consume energy during use is not selected for use by most of consumer.Similar patent has: 200420025806.8,200420039232.X, 200320127898.6,200420031233.X, 200420030864.X, 200420047580.1,200420000038.0,200420008193.7,200420004302.8,200420064821.3,200420016563.1,200420067124.3.To this type of blackboard eraser, its dedusting is apparent in view with the effect of collecting dust, but makes comparatively complicacy, and cost of manufacture is higher, and need consume energy during use becomes its subject matter.
The 3rd, dustproof absorption blackboard eraser characteristics are that this blackboard eraser can block the dust that in wiping process, flies upward to both sides, and dust is stayed in the blackboard eraser box body, do not allow dust to get in the air.The dust-break device of this blackboard has sheet, tabular and cylindric; But because it possesses the dust-break function, and the dust-break effect of some product is also not obvious, can not keep the effect problem of blackboard wiping at any time; On market, do not have a large amount of this products, its market is also not obvious.Similar patent has: 200420031488.6,200420032343.8,200420016986.3,200420070252.3,200420110283.7,200420115979.9.For this type of blackboard eraser; Its some product dust-break effects are not clearly, do not solve the problem of collecting dust, when wiping carpet surface adsorption ability reaches capacity state yet; Also need pinch and press and impact the wiping carpet surface; Through the mode that shake falls, remove the dust that covers its wiping carpet surface, when handling dust, also there are a series of problems like felt absorption blackboard eraser.
In addition, all be that single face carries out wiping at the wiping carpet of above-mentioned three kinds of blackboard erasers, there is not replacement owing to use always, can influence its of length service time.
Summary of the invention
The purpose of the utility model is to provide a kind of two-sided dust-removing blackboard eraser; Can not solve simultaneously in order to overcome existing blackboard eraser that wiping effect is good, dustproof respond well, the dust on collection and treatment dust convenient not contaminated air, the high-efficiency cleaning wiping carpet and do not have the deficiency of five problems of power consumption; This blackboard eraser can not only blackboard wiping; And do not need to consume energy; Can keep the good of wiping effect and dustproof effect at any time, and can make collection and treatment dust convenient pollution-free, efficient pollution-free and have the function that the two sides wiping carpet is replaced use in cleaning wiping carpet process.
The formation of the utility model: a kind of two-sided dust-removing blackboard eraser, comprise box body, two wiping carpets, cleaning wiping carpets brush and be positioned at the dust-collecting box of box body bottom, it is characterized in that; Two wiping carpets in the fixing front and back of fixed head are arranged in the box body, whirligig is arranged in the fixed head, the box body both sides also have the electrostatic precipitation device; Described electrostatic precipitation device comprises rubber tube and two wheels up and down, the fur that the rubber tube back side has two dust blowing sheets to clamp; The fur another side is connected with box body, and wiping carpet is more outstanding with respect to wheel; Described whirligig, rotating handles is established at the box body top, and rotating shaft is established at the box body middle part; Rotating shaft is native font, and rotating handles puts in rotating shaft and is connected with the up-down bar, and the rotating shaft bottom is inverted trapezoidal groove; The rotating shaft lower and upper cross-member is equipped with spring, expansion strip, cord respectively, and spring is connected with expansion strip, and cord is connected with the up-down bar; Also have and expansion strip corresponding concave part bayonet socket in the box body, make wiping carpet can be in working face or non-working surface.
Above-mentioned dust-collecting box has the dust mouth baffle plate.
Above-mentioned cleaning wiping carpet is brushed with brush handle, can in the cleaning wiping carpet brush notch of a side of box body, move.
During use, in the blackboard wiping process, wheel contacts with blackboard surface and rotates because of blackboard eraser moves; Drive that two rubber tubes rotate and with fur friction generates electrostatic capacity, thereby the function of the dust that flies upward to both sides in the absorption wiping process is arranged, after dust is adsorbed onto the rubber tube surface; Because rubber tube is rotating; Dust can touch the dust blowing sheet with its rotation, and the dust blowing sheet scrapes dust, and dust falls into the dust-collecting box of bottom automatically because of the gravity effect because of the inner airless of blackboard eraser.When the ability of simultaneously adsorbing dust when wiping carpet reaches capacity state, can press the rotating handles at lower box body top earlier, cord draws expansion strip and moves back; Spring is tightened up; Rotate rotating handles again and make the wiping carpet rotation, the clean one side that swaps out is carried out the work of blackboard wiping, in rotary course, stops the power of pressing downwards; When making the exchange of two wiping carpet face completing places, expansion strip springs into box body recess bayonet socket automatically and fixes.After saturated one side is accomplished rotation, the brush handle of cleaning wiping carpet brush is pulled back four to five times at the box body track up and down, when moving the bottom the last time to, paused about five seconds, retract the top lay down location more slowly again, promptly accomplished cleaning.The air-flow that the dust that cleans can drive because of brush and the reason of gravity all fall in the dust-collecting box.When not using this blackboard eraser, perhaps when dust-collecting box storage dirt acquires a certain degree, the dust mouth baffle plate is taken off, dust is poured in dustbin or the refuse bag, promptly concentrate and contamination-freely handled dust.When using and not using, blackboard eraser needs vertically to place, in order to avoid dust drops out.
Can know from above technical scheme; The utility model can not only blackboard wiping; And do not need to consume energy; Can keep the good of wiping effect and dustproof effect at any time, and can make collection and treatment dust convenient pollution-free, efficient pollution-free and have the function that the two sides wiping carpet is replaced use in cleaning wiping carpet process.The utility model except that few part is formed block chalk dust falls automatically, has the adsorption capacity of 90%-95% for dust from flying in wiping process, wiping effect is bright
Show, the cleaning wiping carpet is convenient, and the collection and treatment dust is fast pollution-free.
Description of drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is the utility model whirligig sketch map,
Fig. 3 is that the utility model electrostatic precipitation device rubber tube is connected sketch map with wheel,
Fig. 4 is the utility model stereogram.
Among the figure: 1, box body, 2, wiping carpet, 3, cleaning wiping carpet brush, 4, dust-collecting box, 5, fixed head; 6, rubber tube, 7, wheel, 8, the dust blowing sheet, 9, fur, 10, rotating handles; 11, rotating shaft, 12, the up-down bar, 13, spring, 14, expansion strip; 15, cord, 16, the recess bayonet socket, 17, dirt mouth baffle plate, 18, brush handle.
The specific embodiment
Come the two-sided dust-removing blackboard eraser of the utility model is done further through embodiment below
Explanation.
A kind of two-sided dust-removing blackboard eraser; Comprise box body 1, two wiping carpets 2, cleaning wiping carpet brushes 3 and be positioned at the dust-collecting box 4 of box body bottom, it is characterized in that, have in the box body 1 fixed head 5 fixing before and after two wiping carpets 2; In the fixed head 5 whirligig is arranged, box body 1 both sides also have the electrostatic precipitation device; Described electrostatic precipitation device comprises rubber tube 6 and two wheels 7 up and down, the fur 9 that rubber tube 6 back sides have two dust blowing sheets 8 to clamp, and fur 9 another sides are connected with box body 1, and wiping carpet 2 is more outstanding with respect to wheel 7; Described whirligig, rotating handles 10 is established at box body 1 top, and rotating shaft 11 is established at box body 1 middle part; Rotating shaft 11 is native font, and rotating handles 10 puts in rotating shaft 11 and is connected with up-down bar 12, and rotating shaft 11 bottoms are inverted trapezoidal groove; Rotating shaft 11 lower and upper cross-members are equipped with spring 13, expansion strip 14, cord 15 respectively, and spring 13 is connected with expansion strip 14, and cord 15 is connected with up-down bar 12; Also have and expansion strip 14 corresponding concave part bayonet sockets 16 in the box body 1, make wiping carpet can be in working face or non-working surface.
Above-mentioned dust-collecting box 4 has dust mouth baffle plate 17.
Above-mentioned cleaning wiping carpet brush 3 has brush handle 18, can in the cleaning wiping carpet brush notch of a side of box body, move.
During use, in the blackboard wiping process, wheel contacts with blackboard surface and rotates because of blackboard eraser moves; Drive that two rubber tubes rotate and with fur friction generates electrostatic capacity, thereby the function of the dust that flies upward to both sides in the absorption wiping process is arranged, after dust is adsorbed onto the rubber tube surface; Because rubber tube is rotating; Dust can touch the dust blowing sheet with its rotation, and the dust blowing sheet scrapes dust, and dust falls into the dust-collecting box of bottom automatically because of the gravity effect because of the inner airless of blackboard eraser.When the ability of simultaneously adsorbing dust when wiping carpet reaches capacity state, can press the rotating handles at lower box body top earlier, cord draws expansion strip and moves back; Spring is tightened up; Rotate rotating handles again and make the wiping carpet rotation, the clean one side that swaps out is carried out the work of blackboard wiping, in rotary course, stops the power of pressing downwards; When making the exchange of two wiping carpet face completing places, expansion strip springs into box body recess bayonet socket automatically and fixes.After saturated one side is accomplished rotation, the brush handle of cleaning wiping carpet brush is pulled back four to five times at the box body track up and down, when moving the bottom the last time to, paused about five seconds, retract the top lay down location more slowly again, promptly accomplished cleaning.The air-flow that the dust that cleans can drive because of brush and the reason of gravity all fall in the dust-collecting box.When not using this blackboard eraser, perhaps when dust-collecting box storage dirt acquires a certain degree, the dust mouth baffle plate is taken off, dust is poured in dustbin or the refuse bag, promptly concentrate and contamination-freely handled dust.When using and not using, blackboard eraser needs vertically to place, in order to avoid dust drops out.

Claims (3)

1. two-sided dust-removing blackboard eraser; Comprise box body (1), two wiping carpets (2), clean the dust-collecting box (4) that wiping carpet is brushed (3) and is positioned at the box body bottom; It is characterized in that: the fixing front and back of fixed head (5) two wiping carpets (2) are arranged in the box body (1); Fixed head has whirligig in (5), and box body (1) both sides also have the electrostatic precipitation device; Described electrostatic precipitation device; Comprise rubber tube (6) and two wheels (7) up and down; The fur (9) that rubber tube (6) back side has two dust blowing sheets (8) to clamp, fur (9) another side is connected with box body (1), and wiping carpet (2) is more outstanding with respect to wheel (7); Described whirligig; Rotating handles (10) is established at box body (1) top, and rotating shaft (11) is established at box body (1) middle part, and rotating shaft (11) is native font; Rotating handles (10) puts in rotating shaft (11) and is connected with up-down bar (12); Rotating shaft (11) bottom is inverted trapezoidal groove, and rotating shaft (11) lower and upper cross-member is equipped with spring (13), expansion strip (14), cord (15) respectively, and spring (13) is connected with expansion strip (14); Cord (15) is connected with up-down bar (12), also has and expansion strip (14) corresponding concave part bayonet socket (16) in the box body (1).
2. two-sided dust-removing blackboard eraser as claimed in claim 1 is characterized in that: dust-collecting box (4) has dust mouth baffle plate (17).
3. two-sided dust-removing blackboard eraser as claimed in claim 1 is characterized in that: cleaning wiping carpet brush (3) has brush handle (18), and a side of box body has cleaning wiping carpet brush notch.
CN2011204976005U 2011-12-05 2011-12-05 Two-side dust removal blackboard eraser Expired - Fee Related CN202337152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204976005U CN202337152U (en) 2011-12-05 2011-12-05 Two-side dust removal blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204976005U CN202337152U (en) 2011-12-05 2011-12-05 Two-side dust removal blackboard eraser

Publications (1)

Publication Number Publication Date
CN202337152U true CN202337152U (en) 2012-07-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN202337152U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109080344A (en) * 2018-08-14 2018-12-25 安徽信息工程学院 Novel rotary dust-removing blackboard eraser
CN109484067A (en) * 2018-11-21 2019-03-19 李宜芳 A kind of movable fixture adsorbing classroom blackboard dust
CN112606596A (en) * 2020-12-24 2021-04-06 青岛黄海学院 Special multi-functional plotter of mathematics such as university height

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109080344A (en) * 2018-08-14 2018-12-25 安徽信息工程学院 Novel rotary dust-removing blackboard eraser
CN109484067A (en) * 2018-11-21 2019-03-19 李宜芳 A kind of movable fixture adsorbing classroom blackboard dust
CN109484067B (en) * 2018-11-21 2020-07-14 李宜芳 Movable device for adsorbing dust on blackboard in classroom
CN112606596A (en) * 2020-12-24 2021-04-06 青岛黄海学院 Special multi-functional plotter of mathematics such as university height

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120718

Termination date: 20141205