CN108688387A - A kind of blackboard eraser of dust-proof anti-accumulation - Google Patents

A kind of blackboard eraser of dust-proof anti-accumulation Download PDF

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Publication number
CN108688387A
CN108688387A CN201810786951.4A CN201810786951A CN108688387A CN 108688387 A CN108688387 A CN 108688387A CN 201810786951 A CN201810786951 A CN 201810786951A CN 108688387 A CN108688387 A CN 108688387A
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CN
China
Prior art keywords
blackboard eraser
scrubbing brush
dust
collecting tank
offered
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.)
Granted
Application number
CN201810786951.4A
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Chinese (zh)
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CN108688387B (en
Inventor
张志华
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Zhou Wu Xian
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Individual
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Priority to CN201810786951.4A priority Critical patent/CN108688387B/en
Publication of CN108688387A publication Critical patent/CN108688387A/en
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Publication of CN108688387B publication Critical patent/CN108688387B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00Blackboard or slate cleaning devices
    • B43L21/02Blackboard or slate cleaning devices with means for absorbing the chalk dust

Abstract

The invention discloses a kind of blackboard erasers of dust-proof anti-accumulation, including blackboard eraser frame, it is provided with wiping chamber in the blackboard eraser frame, it is rotatably connected to driven scrubbing brush and active scrubbing brush on the inner wall of the wiping chamber, the side of the active scrubbing brush is socketed with conveyer belt, collecting tank is offered on the downside of the blackboard eraser frame, mounting groove is offered on the downside of the collecting tank, it is connected with dust box in the mounting groove, the first opening is offered on the collecting tank, the second opening is offered on the mounting groove.The present invention in blackboard eraser lower portion by disposing scrubbing brush, the wiping mode of brush can effectively avoid the problem that dust adheres on original blackboard eraser surface and accumulate, simultaneously collecting tank and mounting groove are opened up in inside, the dust collection that can will be wiped avoids the occurrence of during erasing the board and dust from flying appearance is in the presence of.

Description

A kind of blackboard eraser of dust-proof anti-accumulation
Technical field
The present invention relates to blackboard eraser technical field more particularly to a kind of blackboard erasers of dust-proof anti-accumulation.
Background technology
What modern most of teaching used is write on blackboard by chalk, by blackboard eraser by word after writing Erasing, but there are certain pollution problems when blackboard eraser use.
1. blackboard eraser is will to adhere to the erasing of the letter written with chalk on blackboard by the friction mutual with blackboard, repeatedly back and forth During erasing, chalk dust can fall and fly upward, and the essence of chalk dust is lime, and teacher breathes into excessive chalk dust, to lung Portion be easy to cause injury.
2. blackboard eraser long-time blackboard wiping after wiping across more letter written with chalks, can be attached to blackboard eraser surface many Chalk dust adheres to after excessive chalk dust blackboard wiping again, and wiping the effect of letter written with chalk can substantially reduce, when needing repeatedly It waits and is reused after patting chalk dust.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, such as:Blackboard eraser is when blackboard wiping It is be easy to cause dust from flying, and is easy accumulation chalk dust on blackboard eraser, and a kind of blackboard eraser of the dust-proof anti-accumulation proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of blackboard eraser of dust-proof anti-accumulation, including blackboard eraser frame are provided with wiping chamber, institute in the blackboard eraser frame It states and is rotatably connected to driven scrubbing brush and active scrubbing brush on the inner wall of wiping chamber, the side of the active scrubbing brush is socketed with conveyer belt, Collecting tank is offered on the downside of the blackboard eraser frame, and mounting groove is offered on the downside of the collecting tank, is blocked in the mounting groove It is connected to dust box, the first opening is offered on the collecting tank, the second opening is offered on the mounting groove.
Preferably, the side of the active scrubbing brush is rotatably connected to dead axle, and shaft is fixedly connected on the dead axle, described Clockwork spring is installed between shaft and active scrubbing brush.
Preferably, the side of the driven scrubbing brush is fixedly connected with turntable, and universal driving shaft, institute are rotatably connected on the turntable It states and is rotatably connected to the first unidirectional piece in the first opening, the second unidirectional piece, the collection are rotatably connected in second opening Slide-bar is slidably connected in slot, sliding mouth is further opened on the collecting tank, and the universal driving shaft passes through sliding mouth, the universal driving shaft separate One end of turntable is rotatablely connected with slide-bar, and the one end of the slide-bar far from universal driving shaft is fixedly connected with sliding block, and described first is unidirectional The slewing area of piece is 0-90 ° under horizontal direction, 0-90 ° under the slewing area horizontal direction of the second unidirectional piece.
Compared with prior art, the beneficial effects of the invention are as follows:By disposing scrubbing brush in blackboard eraser lower portion, brush Wiping mode can effectively avoid the problem that dust adheres on original blackboard eraser surface and accumulate, while open up collecting tank in inside And mounting groove, the dust collection that can will be wiped avoid the occurrence of and occur dust from flying during erasing the board Situation occurs.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the blackboard eraser of dust-proof anti-accumulation proposed by the present invention;
Fig. 2 is a kind of structural schematic diagram of the blackboard eraser active scrubbing brush of dust-proof anti-accumulation proposed by the present invention;
Fig. 3 is structural schematic diagram at A in Fig. 1;
Fig. 4 is that a kind of blackboard eraser of dust-proof anti-accumulation proposed by the present invention moves right status architecture schematic diagram;
Fig. 5 is the structural schematic diagram at A1 in Fig. 4;
Fig. 6 is the structural schematic diagram at B in Fig. 4;
Fig. 7 is the structural schematic diagram that a kind of blackboard eraser of dust-proof anti-accumulation proposed by the present invention is moved to the left state;
Fig. 8 is the structural schematic diagram at A2 in Fig. 7;
Fig. 9 is the structural schematic diagram at C in Fig. 7.
In figure:1 blackboard eraser frame, 2 turntables, 3 universal driving shafts, 4 driven scrubbing brushes, 5 conveyer belts, 6 wiping chambers, 7 shafts, 8 are actively Mouth, 16 cunnings are slided in scrubbing brush, 9 first unidirectional pieces, 10 collecting tanks, 11 second unidirectional pieces, 12 dust boxes, 13 mounting grooves, 14 slide-bars, 15 Block.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, with Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Embodiment one:
Referring to Fig.1-2, a kind of blackboard eraser of dust-proof anti-accumulation, including blackboard eraser frame 1 are provided in blackboard eraser frame 1 Chamber 6 is wiped, wipes and is rotatably connected to driven scrubbing brush 4 and active scrubbing brush 8 on the inner wall of chamber 6, the side of active scrubbing brush 8 is socketed with biography Send band 5, the downside of blackboard eraser frame 1 offers collecting tank 10, and the downside of collecting tank 10 offers mounting groove 13, in mounting groove 13 It is connected with dust box 12, the first opening is offered on collecting tank 10, the second opening is offered on mounting groove 13;
Wherein, the side of active scrubbing brush 8 is rotatably connected to dead axle, and shaft 7, shaft 7 and active are fixedly connected on dead axle Clockwork spring is installed between scrubbing brush 8, using dead axle as tie point, the shaft 7 on the upside of dead axle is shorter, and the shaft 7 on the downside of dead axle is longer, but It is since the upper end of shaft 7 is lighter, lower end is heavier, and the position of centre of gravity of shaft 7 is on the lower side, when user's mobile blackboard wipes frame 1 When movement to the right, there is object inertia to keep original motion state, since the lower end of shaft 7 is compared to upper end weight, turn Axis 7 is rotated clockwise in inertia force effect lower stress, and shaft 7 can still keep movement after rotating clockwise, at this time Shaft 7 will be subject to centrifugal forces, and the lower end of shaft 7 will cause shaft 7 with fixed towards the periphery movement in the movement center of circle Circular motion clockwise is done centered on axis, in the booster action of clockwork spring, after shaft 7 rotated certain angle so that actively Scrubbing brush 8 can rotate multi-turn, and to which shaft 7 drives active scrubbing brush 8 to rotate by dead axle, active scrubbing brush 8 is driven by conveyer belt 5 Entire driven scrubbing brush 4 rotates, so the active scrubbing brush 8 and driven scrubbing brush 4 in blackboard eraser frame 1 with blackboard direct friction when It waits, while driven scrubbing brush 4 and active scrubbing brush 8 will also rotate, driven scrubbing brush 4 and active scrubbing brush 8 can be while moving horizontally Rotation is carried out, rotation can improve the effect of wiping letter written with chalk, reduce the wiping back and forth of user, can reduce the labor of user Power, since driven scrubbing brush 4 and active scrubbing brush 8 are brush, there is no the accumulation problem of chalk dust, while the powder wiped Ash, which can be fallen, to be trapped in blackboard eraser frame 1, is finally collected by dust box 12 into collecting tank 10, and by collecting tank 10 Get up, chalk dust will not be flown upward.
And the mode of brush compares the effect of larger area wiping, can avoid chalk dust subsidiary in large area wiping process It the case where wiping on blackboard again, avoiding rubbing uncleanly, directly collects, then focuses on, can focus on Chalk dust, effectively it can be avoided to be scattering into environment, would not cause the pollution to environment, reduced user and breathe sense Dye, the chalk dust of collection can recycle, and save resource.
Embodiment two:
Referring to Fig.1-9, a kind of blackboard eraser of dust-proof anti-accumulation, including blackboard eraser frame 1 are provided in blackboard eraser frame 1 Chamber 6 is wiped, wipes and is rotatably connected to driven scrubbing brush 4 and active scrubbing brush 8 on the inner wall of chamber 6, the side of active scrubbing brush 8 is socketed with biography Send band 5, the downside of blackboard eraser frame 1 offers collecting tank 10, and the downside of collecting tank 10 offers mounting groove 13, in mounting groove 13 It is connected with dust box 12, the first opening is offered on collecting tank 10, the second opening is offered on mounting groove 13;
Wherein, the side of active scrubbing brush 8 is rotatably connected to dead axle, and shaft 7, shaft 7 and active are fixedly connected on dead axle Clockwork spring is installed between scrubbing brush 8, using dead axle as tie point, the shaft 7 on the upside of dead axle is shorter, and the shaft 7 on the downside of dead axle is longer, but It is since the upper end of shaft 7 is lighter, lower end is heavier, and the position of centre of gravity of shaft 7 is on the lower side, when user's mobile blackboard wipes frame 1 When movement to the right, there is object inertia to keep original motion state, since the lower end of shaft 7 is compared to upper end weight, turn Axis 7 is rotated clockwise in inertia force effect lower stress, and shaft 7 can still keep movement after rotating clockwise, at this time Shaft 7 will be subject to centrifugal forces, and the lower end of shaft 7 will cause shaft 7 with fixed towards the periphery movement in the movement center of circle Do circular motion clockwise centered on axis, no matter the bob motion that 7 activity of moving in a circle of shaft swings back and forth, in the auxiliary of clockwork spring It helps under effect, shaft 7 all will drive active scrubbing brush 8 to rotate multiple borders, to which shaft 7 drives 8 turns of active scrubbing brush by dead axle Dynamic, active scrubbing brush 8 drives entire driven scrubbing brush 4 to rotate by conveyer belt 5, so active scrubbing brush 8 in blackboard eraser frame 1 and from Movable plate brush 4 when with blackboard direct friction, while driven scrubbing brush 4 and active scrubbing brush 8 also will rotation, realize to letter written with chalk with The form of brush wipes;
Wherein, the side of driven scrubbing brush 4 is fixedly connected with turntable 2, and universal driving shaft 3, the first opening are rotatably connected on turntable 2 On be rotatably connected to the first unidirectional piece 9, be rotatably connected to the second unidirectional piece 11 in the second opening, slidably connected in collecting tank 10 Slide-bar 14, sliding mouth 15 is further opened on collecting tank 10, and universal driving shaft 3 passes through sliding mouth 15, universal driving shaft 3 one end and cunning far from turntable 2 Axis 14 is rotatablely connected, and the one end of slide-bar 14 far from universal driving shaft 3 is fixedly connected with sliding block 16, and the slewing area of the first unidirectional piece 9 is It is driven when driven scrubbing brush 4 rotates 0-90 ° under the slewing area horizontal direction of the second unidirectional piece 11 0-90 ° under horizontal direction Scrubbing brush 4 can drive turntable 2 to rotate synchronously, and the rotation of turntable 2 will drive movement of the universal driving shaft 3 in sliding mouth 15, universal driving shaft 3 to push away The sliding in collecting tank 10 of dynamic slide-bar 14, when universal driving shaft 3 pushes slide-bar 14 to be moved to the left in collecting tank 10, sliding block 16 The structure of a similar piston is formed, the air on 16 right side of sliding block will be twitched, and air pressure reduces, not due to the second unidirectional piece 11 It can be rotated up, but the first unidirectional piece 9 can rotate down, air pressure is big in wiping chamber 6, is caused downwards to the first unidirectional piece 9 Pressure, to first opening will be opened, wiping chamber 6 in accumulate dust will be inhaled into collecting tank under gas pressure It is collected in 10, when driving slide-bar 14 to move right after universal driving shaft 3 rotated peak, in the promotion of sliding block 16 Under, the air pressure in collecting tank 10 will increase, and since the first unidirectional piece 9 cannot rotate, the second unidirectional piece 11 can rotate down, Under gas pressure, the related dust of gas in collecting tank 10 is entered eventually by the second opening in mounting groove 13, by dust 12 centralized collection of box is got up, and chalk dust can be collected adequately so that during wiping back and forth, dust will not be again It is secondary to fly upward, cause the secondary pollution of environment.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (3)

1. a kind of blackboard eraser of dust-proof anti-accumulation, including blackboard eraser frame (1), which is characterized in that in the blackboard eraser frame (1) It is provided with wiping chamber (6), driven scrubbing brush (4) and active scrubbing brush (8) are rotatably connected on the inner wall of the wiping chamber (6), it is described The side of active scrubbing brush (8) is socketed with conveyer belt (5), and collecting tank (10) is offered on the downside of the blackboard eraser frame (1), described Mounting groove (13) is offered on the downside of collecting tank (10), and dust box (12), the collecting tank are connected in the mounting groove (13) (10) the first opening is offered on, and the second opening is offered on the mounting groove (13).
2. a kind of blackboard eraser of dust-proof anti-accumulation according to claim 1, which is characterized in that the active scrubbing brush (8) Side is rotatably connected to dead axle, and shaft (7) is fixedly connected on the dead axle, is pacified between the shaft (7) and active scrubbing brush (8) Equipped with clockwork spring.
3. a kind of blackboard eraser of dust-proof anti-accumulation according to claim 1, which is characterized in that the driven scrubbing brush (4) Side is fixedly connected with turntable (2), and universal driving shaft (3) is rotatably connected on the turntable (2), is rotatablely connected in first opening There is the first unidirectional piece (9), the second unidirectional piece (11) is rotatably connected in second opening, the interior sliding of the collecting tank (10) connects It is connected to slide-bar (14), sliding mouth (15) is further opened on the collecting tank (10), the universal driving shaft (3) passes through sliding mouth (15), described The one end of universal driving shaft (3) far from turntable (2) is rotatablely connected with slide-bar (14), the one end of the slide-bar (14) far from universal driving shaft (3) It is fixedly connected with sliding block (16), the slewing area of the first unidirectional piece (9) is second unidirectional piece 0-90 ° under horizontal direction (11) 0-90 ° under slewing area horizontal direction.
CN201810786951.4A 2018-07-18 2018-07-18 A kind of blackboard eraser of dust-proof anti-accumulation Active CN108688387B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109484062A (en) * 2018-10-26 2019-03-19 石慧升 One kind using Dual-side blackboard for electronic engineering teaching
CN110303805A (en) * 2019-07-16 2019-10-08 吴鹏 A kind of blackboard eraser of automatic dust absorption
CN112590434A (en) * 2020-12-30 2021-04-02 周典银 Mechanical automatic dust-absorbing blackboard eraser
CN112606599A (en) * 2020-12-28 2021-04-06 姜培文 Dust absorption type blackboard eraser is used in teaching based on centrifugal force
CN112837586A (en) * 2021-01-20 2021-05-25 焦作大学 Chinese language and literature vocabulary division show shelf
CN115446067A (en) * 2022-09-05 2022-12-09 抚州市天和硅业有限责任公司 Processing apparatus of non ferrous metal smelting intermediate product

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CN202293940U (en) * 2011-07-08 2012-07-04 杭州市良渚职业高级中学 Remote-controlled blackboard eraser
CN202669318U (en) * 2012-06-28 2013-01-16 淮南师范学院 Eraser
CN203805592U (en) * 2014-04-20 2014-09-03 彭玉军 Dust-free blackboard eraser
CN205185674U (en) * 2015-10-31 2016-04-27 码依热木塔力甫 Rotation type clockwork spring blackboard eraser

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Publication number Priority date Publication date Assignee Title
US7685672B2 (en) * 2005-05-18 2010-03-30 Hsi-Hur Lai Vacuum eraser for blackboards
CN200964003Y (en) * 2006-06-21 2007-10-24 宋志鹏 Blackboard eraser
CN201604436U (en) * 2009-12-14 2010-10-13 计雯瀚 Dust removing blackboard eraser
CN202293940U (en) * 2011-07-08 2012-07-04 杭州市良渚职业高级中学 Remote-controlled blackboard eraser
CN202669318U (en) * 2012-06-28 2013-01-16 淮南师范学院 Eraser
CN203805592U (en) * 2014-04-20 2014-09-03 彭玉军 Dust-free blackboard eraser
CN205185674U (en) * 2015-10-31 2016-04-27 码依热木塔力甫 Rotation type clockwork spring blackboard eraser

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109484062A (en) * 2018-10-26 2019-03-19 石慧升 One kind using Dual-side blackboard for electronic engineering teaching
CN110303805A (en) * 2019-07-16 2019-10-08 吴鹏 A kind of blackboard eraser of automatic dust absorption
CN110303805B (en) * 2019-07-16 2021-04-13 温州斯酷睿机械科技有限公司 Blackboard eraser capable of automatically absorbing dust
CN112606599A (en) * 2020-12-28 2021-04-06 姜培文 Dust absorption type blackboard eraser is used in teaching based on centrifugal force
CN112606599B (en) * 2020-12-28 2022-07-22 山东金太阳教育集团有限公司 Dust absorption type blackboard eraser is used in teaching based on centrifugal force
CN112590434A (en) * 2020-12-30 2021-04-02 周典银 Mechanical automatic dust-absorbing blackboard eraser
CN112837586A (en) * 2021-01-20 2021-05-25 焦作大学 Chinese language and literature vocabulary division show shelf
CN112837586B (en) * 2021-01-20 2022-12-13 焦作大学 Chinese language and literature vocabulary division show shelf
CN115446067A (en) * 2022-09-05 2022-12-09 抚州市天和硅业有限责任公司 Processing apparatus of non ferrous metal smelting intermediate product
CN115446067B (en) * 2022-09-05 2023-06-23 抚州市天和硅业有限责任公司 Treatment device for nonferrous metal smelting intermediate products

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Effective date of registration: 20190916

Address after: 325300 Nankengyuan Village, Xikeng She Town, Wencheng County, Wenzhou City, Zhejiang Province

Applicant after: Zhou Wu Xian

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Applicant before: Zhang Zhi Hua

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