CN108973461B - Self-retracting rotary office word-erasing brush - Google Patents

Self-retracting rotary office word-erasing brush Download PDF

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Publication number
CN108973461B
CN108973461B CN201810902761.4A CN201810902761A CN108973461B CN 108973461 B CN108973461 B CN 108973461B CN 201810902761 A CN201810902761 A CN 201810902761A CN 108973461 B CN108973461 B CN 108973461B
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China
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linkage
fixed
limiting
cylinder
positioning
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Application number
CN201810902761.4A
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Chinese (zh)
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CN108973461A (en
Inventor
沈琳松
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Weimaiyun Technology Co., Ltd
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Weimaiyun Technology Co Ltd
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Priority to CN201810902761.4A priority Critical patent/CN108973461B/en
Publication of CN108973461A publication Critical patent/CN108973461A/en
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    • 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

Abstract

The invention discloses a self-folding rotary office word-wiping brush, which comprises an attraction positioning cylinder, wherein an attraction magnet is fixedly arranged at the bottom end of the attraction positioning cylinder, an electric small motor is fixedly arranged in the middle of the inner surface of the side wall of the attraction positioning cylinder, a first rotary positioning plate is integrally connected and fixed at the top end of the attraction positioning cylinder, a rotating shaft is fixedly arranged at the center of the first rotary positioning plate, the bottom end of the rotating shaft is connected with the power output end of the electric small motor, and meanwhile, a folding seat, a tooth, a linkage mechanism and a limiting baffle seat are sequentially sleeved and fixed at the top of the rotating shaft, a folding mechanism is arranged on the folding seat, and a plate brush is fixedly arranged on the folding mechanism. The character-wiping brush is directly sucked and fixed on the writing board, can rotate to wipe and extend outwards at the same time, can improve wiping efficiency, and does not need manual operation.

Description

Self-retracting rotary office word-erasing brush
Technical Field
The invention belongs to the field of office equipment, and relates to a self-retracting rotary office word-erasing brush.
Background
The demonstration is required to be written on the writing board at some time during the meeting, the existing writing board basically has magnetism, paper documents such as fixed notices, manuscripts and the like can be directly attracted on the writing board through magnets, but the existing word wiping brush is still manually wiped through manpower, the wiping speed is low, the wiping range is small, only one word wiping brush can be taken for wiping at a time, the thinking of a speaker can be interrupted, and the time is wasted.
Disclosure of Invention
The invention aims to provide a self-retracting rotary office word-erasing brush which is directly sucked and fixed on a writing board, can rotate to erase words and extend outwards at the same time, can improve the erasing efficiency and does not need manual operation.
The purpose of the invention can be realized by the following technical scheme:
a self-retracting rotary office word-wiping brush comprises an attraction positioning cylinder, wherein an attraction magnet is fixedly installed at the bottom end of the attraction positioning cylinder, an electric small motor is fixedly installed in the middle of the inner surface of the side wall of the attraction positioning cylinder, a first rotary positioning plate is integrally connected and fixed at the top end of the attraction positioning cylinder, a rotating shaft is fixedly installed at the center of the first rotary positioning plate, the bottom end of the rotating shaft is connected with the power output end of the electric small motor, and meanwhile, a retracting seat, a tooth, a linkage mechanism and a limiting baffle seat are sequentially sleeved and fixed at the top of the rotating shaft;
the folding seat comprises a rotating fixed cylinder sleeved on the suction positioning cylinder, the top end of the rotating fixed cylinder is integrally connected and fixed with a second rotating positioning plate, the folding seat is installed and fixed on the rotating shaft through the second rotating positioning plate, the bottom end of the rotating fixed cylinder is integrally connected and fixed with a positioning support ring, and a plurality of first limiting holes extending to the edge side are formed in the periphery of the surface of the positioning support ring at equal intervals;
the tooth and linkage mechanism comprises a first linkage wheel sleeved and fixed on the rotating shaft, the end face of the first linkage wheel is fixedly connected with a linkage rod through a rotating shaft, a fixed shaft is fixed in the middle of the bottom surface of the linkage rod, a second linkage wheel meshed with the first linkage wheel is fixedly installed on the fixed shaft, and a third linkage wheel meshed with the second linkage wheel is fixedly installed at one end of the linkage rod;
the folding mechanism comprises a linkage ring fixed at the upper end of the rotating fixed cylinder in a sleeved mode and a plurality of folding seats arranged on the surface of the positioning support ring at equal angles, a plurality of linkage teeth are arranged on the side wall of the upper end of the linkage ring at equal angles and meshed with the third linkage wheel, and a vortex linkage groove is formed in the bottom surface of the linkage ring; the folding seat comprises a linkage disc; the surface of linkage dish is equipped with the vortex tooth, and the vortex tooth of linkage dish meshes with the vortex linkage groove of linkage circle bottom surface, and the linkage dish is located the surface of positioning support circle, and the arc lateral wall external surface of linkage dish is fixed with two parallels and is the spacing of level setting, and spacing upper end slip joint is in first spacing hole.
Furthermore, a fixing strip is vertically fixed on the inner surface of the side wall of the middle part of the suction positioning cylinder, and the small electric motor is installed and fixed on the surface of the fixing strip.
Furthermore, the bottom surface of the positioning support ring and the bottom surface of the attraction positioning cylinder are in the same plane, and the distance between the bottom surface of the attraction magnet and the bottom surface of the attraction positioning cylinder is 0.3-0.5 cm.
Furthermore, the limiting stop seat comprises a limiting barrel, the top end of the limiting barrel is integrally connected and fixed with a third rotating positioning plate, the center of the bottom surface of the third rotating positioning plate is provided with an installation groove, the top end of the rotating shaft is installed and fixed in the installation groove, the bottom end of the limiting barrel is sleeved on the outer side of the positioning support ring, and the inner surface of the side wall of the limiting barrel is connected with the side wall of the positioning support ring; the bottom side wall of the limiting cylinder is provided with a second limiting hole extending to the bottom surface at equal angles, the second limiting hole corresponds to the first limiting hole up and down, the lower ends of the limiting strips are slidably clamped in the second limiting hole, and the side walls of the two limiting strips are connected with the hole walls at the two ends of the second limiting hole of the first limiting hole.
Furthermore, the side walls of the bottom ends of the two limiting strips are oppositely provided with clamping grooves, and the scrubbing brush is clamped and fixed between the two clamping grooves.
The invention has the beneficial effects that:
the character-wiping brush is directly sucked and fixed on the writing board, can rotate to wipe and extend outwards at the same time, can wipe a large range at one time, and further improves the wiping efficiency.
The character-erasing brush of the invention only needs to be fixed on the writing board in a suction way, and can automatically erase without manual operation, and the scrubbing brush of the character-erasing brush is directly clamped on the limiting strip, so that the character-erasing brush can be conveniently taken out when in use and replacement.
The character-erasing brush can enlarge the erasing range through the dispersion of the folding seats when erasing characters, can reduce the volume through the aggregation of the folding seats after the character-erasing brush is used, further reduces the storage space, is convenient to place, can be directly attracted on a writing board after the character-erasing brush is used, prevents the character-erasing board from being lost, and is convenient to directly use next time.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the scrubber of the present invention in an extended wiping configuration;
FIG. 2 is a schematic structural diagram of the character-erasing brush of the present invention when the character-erasing brush is idle;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a schematic view of a portion of the structure of FIG. 3;
FIG. 6 is a schematic view of the tooth and linkage arrangement;
FIG. 7 is a schematic view of a portion of the structure of FIG. 1;
FIG. 8 is a partial schematic view of a plurality of discs in combination;
FIG. 9 is a schematic view of a linkage ring;
fig. 10 is a schematic structural view of the folding seat.
Detailed Description
A self-retracting rotary office word-erasing brush comprises a suction positioning barrel 1, a suction magnet 11 is fixedly arranged at the bottom end of the suction positioning barrel 1, the whole word-erasing brush is fixedly attracted to the surface of a writing board through the suction magnet, two fixed objects under the action of magnetic force can be freely taken down, the word-erasing brush is moved to the position when different positions need to be erased and then is fixedly attracted by the suction magnet 11, a small electric motor is fixedly arranged in the middle of the inner surface of the side wall of the suction positioning barrel 1, a first rotary positioning plate 12 is integrally connected and fixed to the top end of the suction positioning barrel 1, a rotating shaft 13 is fixedly arranged at the center of the first rotary positioning plate 12, the bottom end of the rotating shaft 13 is connected with the power output end of the small electric motor, and a retracting seat 2, a retracting seat 2 and a retracting seat 13 are sequentially sleeved and fixedly arranged at the top of the rotating shaft 13, The folding device comprises a gear and linkage mechanism 3 and a limiting stop seat 4, wherein a folding mechanism 5 is arranged on a folding seat 2, and a scrubbing brush 6 is fixedly arranged on the folding mechanism 5;
a fixing strip 14 is vertically fixed on the inner surface of the side wall of the middle part of the suction positioning cylinder 1, and the small electric motor is installed and fixed on the surface of the fixing strip 14;
the folding seat 2 comprises a rotating fixed cylinder 21 sleeved on the suction positioning cylinder 1, the top end of the rotating fixed cylinder 21 is integrally connected and fixed with a second rotating positioning plate 22, the surface of the second rotating positioning plate 22 is provided with a first through hole 23, the folding seat 2 passes through the first through hole 23 on the surface of the second rotating positioning plate 22 through a rotating shaft 13 and is installed and fixed on the rotating shaft 13, the folding seat 2 is driven to rotate together in the rotating process of the rotating shaft 13, the bottom end of the rotating fixed cylinder 21 is integrally connected and fixed with a positioning support ring 24, and the periphery of the surface of the positioning support ring 24 is equidistantly provided with a plurality of first limiting holes 241 extending to the side; meanwhile, the bottom surface of the positioning support ring 24 and the bottom surface of the attraction positioning cylinder 1 are in the same plane, and the distance between the bottom surface of the attraction magnet 11 and the bottom surface of the attraction positioning cylinder 1 is 0.3-0.5cm, so that the bottom of the attraction positioning cylinder 1 and the bottom of the folding seat 2 are not connected with the surface of the writing board when the attraction magnet 11 is attracted and fixed on the surface of the writing board, the attraction is convenient, and the phenomenon that the whole word-erasing brush cannot normally rotate due to the friction force between the attraction positioning cylinder, the folding seat and the writing board when the word-erasing brush rotates to erase words is prevented;
as shown in fig. 6, the tooth and linkage mechanism 3 includes a first linkage wheel 31 sleeved and fixed on the rotation shaft 13, an end surface of the first linkage wheel 31 is fixedly connected with a linkage rod 32 through a rotation shaft 36, a fixed shaft 33 is fixed at the middle part of the bottom surface of the linkage rod 32, a second linkage wheel 34 engaged with the first linkage wheel 31 is fixedly installed on the fixed shaft 33, and a third linkage wheel 35 engaged with the second linkage wheel 34 is fixedly installed at one end of the linkage rod 32; the first linkage wheel 31 is driven to rotate in the rotating process of the rotating shaft 13, the first linkage wheel 31 simultaneously drives the linkage rod 32 to rotate through the rotating shaft 36, the rotating speed of the rotating shaft 36 is kept to be the same as that of the rotating shaft 13, meanwhile, the first linkage wheel 31 drives the second linkage wheel 34 to rotate through the meshing effect, the second linkage wheel 34 drives the third linkage wheel 35 to rotate, and the second linkage wheel and the third linkage wheel rotate around the rotating shaft and rotate at the same time under the driving of the linkage rod 32;
as shown in fig. 7, the limiting stopper 4 includes a limiting cylinder 41, a third rotating positioning plate 42 is integrally connected and fixed to a top end of the limiting cylinder 41, a mounting groove is formed in a center of a bottom surface of the third rotating positioning plate 42, a top end of the rotating shaft 36 is mounted and fixed in the mounting groove, the rotating shaft 36 drives the whole limiting stopper 4 to rotate together in the rotating process, the rotating speeds of the limiting cylinder 41 and the folding seat 2 are the same because the rotating shafts 36 and the rotating shafts 13 are the same, and the bottom surface of the limiting cylinder 41 and the bottom surface of the positioning support ring 24 in the folding seat 2 are in the same plane; a second limiting hole 411 extending to the bottom surface is formed in the side wall of the bottom end of the limiting cylinder 41 at an equal angle, the second limiting hole 411 corresponds to the first limiting hole 241 in the vertical direction, and the width of the first limiting hole 241 is the same as that of the second limiting hole 411; the bottom end of the limiting cylinder 41 is sleeved outside the positioning support ring 24, and the inner surface of the side wall of the limiting cylinder 41 is connected with the side wall of the positioning support ring 24; when the device is installed, the first limiting hole 241 is communicated with the second limiting hole 411;
as shown in fig. 8, 9 and 10, the folding mechanism 5 includes a linkage ring 51 fixed on the upper end of the rotation fixing cylinder 21 and a plurality of folding seats 52 installed on the surface of the positioning support ring 24 at equal angles, a bearing is fixed on the outer surface of the upper end side wall of the rotation fixing cylinder 21, the linkage ring 51 is fixed on the bearing in a sleeved manner, a plurality of linkage teeth 511 are arranged on the upper end side wall of the linkage ring 51 at equal angles, the linkage teeth 511 are meshed with the third linkage wheel 35, the rotation ring 51 is driven to rotate together by the rotation of the third linkage wheel 35, the upper end of the third linkage wheel 35 is meshed with the second linkage wheel 34, the lower end of the third linkage wheel is meshed with the linkage teeth 511 of the linkage ring 51, and a linkage vortex groove 512 is formed in the bottom surface of the linkage ring 51; the folding seat 52 comprises a fan-shaped linkage disc 521, the linkage disc 521 is combined into a circular shape, a fan-shaped through hole extending to the circle center is formed in the position, located at the circle center of the fan shape, of the surface of the linkage disc 521, the aperture of the fan-shaped through hole is equal to the outer diameter of the rotary fixing barrel 21, when the linkage disc 521 is converged towards the center, the linkage disc 521 is combined into a circular shape, and the fan-shaped through hole of the linkage disc 521 is combined into a circular through hole matched with the rotary fixing barrel 21; the surface of the linkage disc 521 is provided with scroll teeth 522, the scroll teeth 522 of the linkage disc 521 are meshed with scroll linkage grooves 512 on the bottom surface of the linkage ring 51, the linkage disc 521 is positioned on the surface of the positioning support ring 24, the outer surface of the arc-shaped side wall of the linkage disc 521 is fixed with two parallel and horizontally arranged limiting strips 523, the upper ends of the limiting strips 523 are slidably clamped in a first limiting hole 241, the lower ends of the limiting strips are slidably clamped in a second limiting hole 411, the side walls of the two limiting strips 523 are connected with the wall of two ends of a second limiting hole 411 of the first limiting hole 241, the linkage disc 521 is enabled to slide along the first limiting hole 241 and the second limiting hole 411 through the limiting action of the limiting strips 523, the side walls at the bottom ends of the two limiting strips 523 are oppositely provided with clamping grooves 524, and the scrubbing brush 6 is clamped and fixed between;
the specific working process of the character-erasing brush comprises the following steps:
firstly, mounting the limit stop seat 4 on the top end of the rotating shaft 36, keeping the first limit hole 241 and the second limit hole 411 corresponding to each other, and clamping and fixing the scrubbing brush 6 in the clamping groove 524;
secondly, attracting and fixing the whole character-erasing brush at the position of the writing board to be erased through the attracting magnet 11;
thirdly, turning on the small electric motor to drive the rotating shaft 13 to rotate, wherein the rotating shaft 13 drives the whole closing seat 2 and the first linkage wheel 31 to rotate, the first linkage wheel 31 simultaneously drives the linkage rod 32 to rotate through the rotating shaft 36, the rotating speed of the rotating shaft 36 is kept to be the same as that of the rotating shaft 13, meanwhile, the first linkage wheel 31 drives the second linkage wheel 34 to rotate through the meshing effect, the second linkage wheel 34 drives the third linkage wheel 35 to rotate, and meanwhile, the rotating shaft 36 drives the limit stop seat 4 to rotate together; the third link wheel 35 drives the link ring 51 to rotate in the rotating process, the link disc 521 is driven to rotate through the meshing action between the link ring 51 and the link disc 521, the link disc 521 is clamped in the first limiting hole 241 and the second limiting hole 411 through the limiting strips 523, the link disc 521 can only slide along the first limiting hole 241 and the second limiting hole 411 through the limiting action of the limiting strips 523, the dispersion of a plurality of link discs 521 is realized, the link disc 521 cannot move any more until the link disc 521 is blocked by the limiting barrel 41, and simultaneously the link disc 521 and the link ring 51 rotate together with the collecting seat 2, so that the link disc 521 can extend outwards while rotating, and further the plate brush 6 can rotate to wipe while extending outwards to wipe, and the plate brush can quickly and automatically wipe in a large range if the plate brush is shown in fig. 1;
fourthly, after one part is cleaned, the other part can be moved to another part for sucking and then continuously cleaning, after the cleaning is finished, the small electric motor is controlled to rotate reversely, and at the moment, the plurality of linkage disks 521 are folded towards the center, so that the scrubbing brush 6 is driven to be contracted into the limiting cylinder 41, and the space is not occupied, as shown in fig. 2.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. A self-retracting rotary office word-wiping brush is characterized by comprising a suction positioning cylinder (1), wherein a suction magnet (11) is fixedly arranged at the bottom end of the suction positioning cylinder (1), an electric small motor is fixedly arranged in the middle of the inner surface of the side wall of the suction positioning cylinder (1), a first rotary positioning plate (12) is integrally connected and fixed at the top end of the suction positioning cylinder (1), a rotating shaft (13) is fixedly arranged at the center of the first rotary positioning plate (12), the bottom end of the rotating shaft (13) is connected with the power output end of the electric small motor, a retracting seat (2), a tooth and linkage mechanism (3) and a limiting baffle seat (4) are sequentially sleeved and fixed at the top of the rotating shaft (13), a retracting mechanism (5) is arranged on the retracting seat (2), and a plate brush (6) is fixedly arranged on the retracting mechanism (5);
the folding seat (2) comprises a rotating fixed cylinder (21) sleeved on the suction positioning cylinder (1), the top end of the rotating fixed cylinder (21) is integrally connected and fixed with a second rotating positioning plate (22), the folding seat (2) is installed and fixed on the rotating shaft (13) through the second rotating positioning plate (22), the bottom end of the rotating fixed cylinder (21) is integrally connected and fixed with a positioning support ring (24), and a plurality of first limiting holes (241) extending to the side are formed in the periphery of the surface of the positioning support ring (24) at equal intervals;
the tooth and linkage mechanism (3) comprises a first linkage wheel (31) which is sleeved and fixed on a rotating shaft (13), the end face of the first linkage wheel (31) is fixedly connected with a linkage rod (32) through a rotating shaft (36), the middle part of the bottom surface of the linkage rod (32) is fixedly provided with a fixed shaft (33), a second linkage wheel (34) which is meshed with the first linkage wheel (31) is fixedly arranged on the fixed shaft (33), and meanwhile, one end of the linkage rod (32) is fixedly provided with a third linkage wheel (35) which is meshed with the second linkage wheel (34);
the limiting stop seat (4) comprises a limiting barrel (41), a third rotating positioning plate (42) is integrally connected and fixed to the top end of the limiting barrel (41), an installation groove is formed in the center of the bottom surface of the third rotating positioning plate (42), the top end of the rotating shaft (36) is installed and fixed in the installation groove, the bottom end of the limiting barrel (41) is sleeved on the outer side of the positioning support ring (24), and the inner surface of the side wall of the limiting barrel (41) is connected with the side wall of the positioning support ring (24); a second limiting hole (411) extending to the bottom surface is formed in the side wall of the bottom end of the limiting cylinder (41) at an equal angle, the second limiting hole (411) corresponds to the first limiting hole (241) up and down, the widths of the first limiting hole (241) and the second limiting hole (411) are the same, and the first limiting hole (241) and the second limiting hole (411) are communicated when the limiting cylinder is installed; the lower ends of the limiting strips (523) are slidably clamped in the second limiting hole (411), and the side walls of the two limiting strips (523) are connected with the hole walls of the two ends of the second limiting hole (411) of the first limiting hole (241);
the folding mechanism (5) comprises a linkage ring (51) fixed at the upper end of the rotary fixed cylinder (21) in a sleeved mode and a plurality of folding seats (52) installed on the surface of the positioning support ring (24) at equal angles, a plurality of linkage teeth (511) are arranged on the side wall of the upper end of the linkage ring (51) at equal angles, the linkage teeth (511) are meshed with the third linkage wheel (35), and a vortex linkage groove (512) is formed in the bottom surface of the linkage ring (51); the retraction seat (52) comprises a linkage plate (521); the surface of linkage dish (521) is equipped with vortex tooth (522), and vortex tooth (522) of linkage dish (521) and vortex linkage groove (512) meshing of linkage circle (51) bottom surface, and linkage dish (521) are located the surface of location lock ring (24), and the arc lateral wall external surface of linkage dish (521) is fixed with two parallels and be spacing (523) of horizontal arrangement, and spacing (523) upper end slip joint is in first spacing hole (241).
2. The self-retracting rotary office word-erasing brush as claimed in claim 1, wherein a fixing strip (14) is vertically fixed on the inner surface of the middle side wall of the suction positioning cylinder (1), and the small electric motor is installed and fixed on the surface of the fixing strip (14).
3. The self-retracting rotary office word-wiping brush as claimed in claim 1, wherein the bottom surface of the positioning support ring (24) and the bottom surface of the attraction positioning cylinder (1) are in the same plane, and the distance between the bottom surface of the attraction magnet (11) and the bottom surface of the attraction positioning cylinder (1) is 0.3-0.5 cm.
4. The self-retracting rotary office word-erasing brush as claimed in claim 1, wherein the side walls of the bottom ends of the two position-limiting strips (523) are oppositely provided with clamping grooves (524), and the scrubbing brush (6) is clamped and fixed between the two clamping grooves (524).
CN201810902761.4A 2018-08-09 2018-08-09 Self-retracting rotary office word-erasing brush Active CN108973461B (en)

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CN201810902761.4A CN108973461B (en) 2018-08-09 2018-08-09 Self-retracting rotary office word-erasing brush

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Application Number Priority Date Filing Date Title
CN201810902761.4A CN108973461B (en) 2018-08-09 2018-08-09 Self-retracting rotary office word-erasing brush

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CN108973461B true CN108973461B (en) 2020-09-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112428732A (en) * 2020-12-15 2021-03-02 安徽文香信息技术有限公司 Dust-proof electric blackboard eraser based on intelligent classroom and control system thereof

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CN202481175U (en) * 2012-03-09 2012-10-10 刘乔祎 Magnetic-absorbing type blackboard cleaning wall-climbing robot
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CN203110719U (en) * 2013-03-28 2013-08-07 董昕亿 Blackboard eraser
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CN2345151Y (en) * 1998-09-17 1999-10-27 尹景阳 Adsorption type rotary scraper
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