CN201998703U - Electrostatic dust absorption blackboard eraser - Google Patents

Electrostatic dust absorption blackboard eraser Download PDF

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Publication number
CN201998703U
CN201998703U CN2011200403786U CN201120040378U CN201998703U CN 201998703 U CN201998703 U CN 201998703U CN 2011200403786 U CN2011200403786 U CN 2011200403786U CN 201120040378 U CN201120040378 U CN 201120040378U CN 201998703 U CN201998703 U CN 201998703U
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CN
China
Prior art keywords
transmission shaft
blackboard eraser
electrostatic precipitation
power transmission
bevel gear
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Expired - Fee Related
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CN2011200403786U
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Chinese (zh)
Inventor
张帅
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张帅
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Priority to CN2011200403786U priority Critical patent/CN201998703U/en
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Publication of CN201998703U publication Critical patent/CN201998703U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model belongs to blackboard eraser, in particular to an electrostatic dust absorption blackboard eraser. The electrostatic dust absorption blackboard eraser comprises a blackboard eraser body with a cavity body, wherein bristles are arranged on the bottom surface of the blackboard eraser body; at least one electrostatic dust absorption device is arranged inside the cavity body of the blackboard eraser body; the electrostatic dust absorption device comprises fan blades, an electrostatic dust absorption net, a vertical transmission shaft, a vertical bevel gear, a transverse transmission shaft and a transverse bevel gear; the electrostatic dust absorption net is in contact with an electrostatic brush arranged on the fan blades; one end of the vertical transmission shaft is connected with the fan blades in a keyed-joint way; the other end of the vertical transmission shaft is connected with the vertical bevel gear in a keyed-joint way; the transverse transmission shaft is connected with the transverse bevel gear in a keyed-joint way; the vertical bevel gear is meshed with the transverse bevel gear; one end of the transverse transmission shaft is connected with a friction wheel in a keyed-joint way; and the outer edge of the friction wheel is positioned outside the blackboard eraser body. The utility model has the following beneficial effects: when the blackboard is erased, the power is transmitted to the fan blades by a bevel gear pair, and dust is absorbed into the blackboard eraser by the principle that the surfaces of the brush on the fan blades and the dust absorption net produce electrostatic due to friction; the electrostatic dust absorption blackboard eraser has a simple structure and is convenient to use and popularize.

Description

The electrostatic precipitation blackboard eraser
Technical field
The utility model belongs to blackboard eraser, relates in particular to a kind of electrostatic precipitation blackboard eraser.
Background technology
At present; most schools also continue to use the teaching method that chalk is taught always; during writing that the teacher is write by chalk on removing blackboard; need carry out wiping to blackboard with blackboard eraser; in wiping process; the dust of writing can disperse in teacher's the air; have a strong impact on the healthy of Faculty and Students; in order to overcome the problem of dust; developed different types of dust absorption blackboard eraser; these dust absorption blackboard erasers generally all adopt electrically driven (operated) mode dust suction, electrostatic generator are placed in the cavity of blackboard eraser inside, utilize power supply to produce static; and then realization pick-up performance; this series products cost is higher, very easily damages, and is difficult for promoting for the regular primary and secondary schools school of China.
The utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and provides a kind of simple in structure, cheap, a kind of electrostatic precipitation blackboard eraser that pick-up performance is splendid.
The utility model for achieving the above object, by the following technical solutions: a kind of electrostatic precipitation blackboard eraser, comprise the blackboard eraser main body that has cavity, described blackboard eraser main body bottom surface is provided with bristle, described bristle is provided with suction port, it is characterized in that: be provided with an electrostatic precipitation device in the cavity of described blackboard eraser main body at least, described electrostatic precipitation device comprises flabellum, the electrostatic precipitation net, vertical power transmission shaft, vertical bevel gear, laterally power transmission shaft and laterally bevel gear, static hairbrush on described electrostatic precipitation net and the flabellum touches, described vertical power transmission shaft one end and flabellum keyed jointing, the vertical power transmission shaft other end and vertical bevel gear keyed jointing, described horizontal power transmission shaft and horizontal bevel gear keyed jointing, described horizontal power transmission shaft and vertical power transmission shaft are by being fixed on the frame support supporting in the cavity, described vertical bevel gear and laterally bevel gear engagement; One end of described horizontal power transmission shaft is linked with friction pulley, and the outer rim of described friction pulley is positioned at outside the blackboard eraser main body.
A kind of electrostatic precipitation blackboard eraser, comprise the blackboard eraser main body that has cavity, described blackboard eraser main body bottom surface is provided with bristle, described bristle is provided with suction port, it is characterized in that: the parallel first electrostatic precipitation device and the second electrostatic precipitation device of being provided with in the cavity of described blackboard eraser main body, described two electrostatic precipitation devices comprise flabellum respectively, the electrostatic precipitation net, vertical power transmission shaft, vertical bevel gear, laterally power transmission shaft and laterally bevel gear, static hairbrush on described electrostatic precipitation net and the flabellum touches, described vertical power transmission shaft one end and flabellum keyed jointing, the vertical power transmission shaft other end and vertical bevel gear keyed jointing, described horizontal power transmission shaft and horizontal bevel gear keyed jointing, described horizontal power transmission shaft and vertical power transmission shaft are by being fixed on the frame support supporting in the cavity, described vertical bevel gear and laterally bevel gear engagement, horizontal power transmission shaft in described two electrostatic precipitation devices is linked with pitch wheel respectively, wherein an end of the horizontal power transmission shaft in the first electrostatic precipitation device is linked with friction pulley, and the outer rim of described friction pulley is positioned at outside the blackboard eraser main body.
Be provided with vertical electrostatic precipitation net in cavity one side with the corresponding blackboard eraser of friction pulley, the static hairbrush on described vertical electrostatic precipitation net and the flabellum touches, the other end keyed jointing of the horizontal power transmission shaft in the described flabellum and the first electrostatic precipitation device.
The material of described dust absorption net is polyvinyl chloride or chloropropene, described static hairbrush material be the mane of animal.
Described blackboard eraser main body is provided with the opening of removing dust.
Beneficial effect: send flabellum to by bevel gear adjutant power in blackboard wiping, the principle of utilizing hairbrush on the flabellum and dust absorption net mantle friction to produce static sucks dust in the blackboard eraser, and is simple in structure, is convenient to promote the use of.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the utility model upward view;
Fig. 3 is the structural representation of the utility model embodiment two;
Fig. 4 the utility model embodiment two drive mechanism schematic diagrames.
Among the figure: 1, blackboard eraser main body; 11, bristle; 111, suction port; 2, electrostatic precipitation device; 21, flabellum; 211, static hairbrush; 22, dust absorption net; 23, vertical power transmission shaft; 24, vertical bevel gear; 25, horizontal power transmission shaft; 26, horizontal bevel gear; 3, frame support; 4, friction pulley; 5, opening; 6, gear; 7, vertical electrostatic precipitation net; 8, flabellum; 9, exhaust outlet; 10, interface.
The specific embodiment
Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing and preferred embodiment.As Fig. 1, shown in Figure 2, embodiment one, a kind of electrostatic precipitation blackboard eraser, comprise the blackboard eraser main body 1 that has cavity, described blackboard eraser main body bottom surface is provided with bristle 11, described bristle is provided with suction port 111, suction port is evenly distributed on the bristle, at least be provided with an electrostatic precipitation device 2 in the cavity of described blackboard eraser main body, described electrostatic precipitation device comprises flabellum 21, electrostatic precipitation net 22, vertical power transmission shaft 23, vertical bevel gear 24, laterally power transmission shaft 25 and laterally bevel gear 26, static hairbrush 211 on described electrostatic precipitation net 22 and the flabellum touches, if have only an electrostatic precipitation device, the electrostatic precipitation net on it is fixed on the bottom of blackboard eraser, and electrostatic precipitation sieve bottom and bristle are affixed, bristle is used for the dust on the blackboard wiping, and electrostatic precipitation net and the friction of static hairbrush produce electrostatic charge; If plural electrostatic precipitation device is arranged, the dust absorption net on it is upwards arranged from the blackboard eraser bottom.Described vertical power transmission shaft one end and flabellum keyed jointing, vertical power transmission shaft drives the flabellum rotation, the vertical power transmission shaft other end and vertical bevel gear keyed jointing, described horizontal power transmission shaft one end and horizontal bevel gear keyed jointing, described horizontal power transmission shaft and vertical power transmission shaft are by being fixed on frame support 3 supportings in the cavity.Frame support is positioned at the blackboard eraser body interior and the blackboard eraser inwall is affixed, mainly being fixed on blackboard eraser gets between the inwall of front and back, the bevel gear vice division chief that preferably makes horizontal bevel gear and vertical sector gear composition is in the inner center position of blackboard eraser, so just the diameter of flabellum can be provided with maximum, the inswept circular area of flabellum rotation is done greatly, and effect is best.Described vertical bevel gear and laterally bevel gear engagement, an end of described horizontal power transmission shaft is linked with friction pulley 4, and the center that horizontal power transmission shaft passes friction pulley is connected on the blackboard eraser main body inner wall, is slidingly connected with it.The outer rim of described friction pulley is positioned at outside the blackboard eraser main body.The position of friction pulley is positioned at any side of the inner both sides of blackboard eraser near sidewall, is provided with strip shape gob corresponding to the dust absorption net of the position of friction pulley, and friction pulley is partly exposed by strip shape gob.The circumference of friction pulley is provided with one deck rubber material, and with the frictional force of increase with blackboard, the pliability of rubber material also can make the bristle of blackboard eraser contact with blackboard more closely simultaneously.Friction pulley is exposed at the length that the outer part of strip shape gob will be lower than the blackboard eraser bristle, if the diameter of friction pulley is long, can make blackboard eraser perk on one side, makes bristle leave the slit on one side and between the blackboard, is unfavorable for writing is disposed.In order to remove the dust in the cavity, the blackboard eraser main body is provided with the opening 5 of removing dust, and opening can be arranged on the top or the side of blackboard eraser.Operation principle: when erasing the board, friction pulley contacts with blackboard, the process friction pulley of wiping rotates, thereby drive vertical bevel gear and laterally bevel gear rotation, power is sent on the flabellum, the friction of static hairbrush on the flabellum and electrostatic precipitation net produces electrostatic charge, dust is sucked in the cavity of blackboard eraser, opens opening after dust is filled and pours out with Tool brush cleaning dust and get final product.
Embodiment two, as shown in Figure 3, Figure 4, get dust removing effects in order to increase blackboard eraser, blackboard eraser is done further improvement, as a kind of electrostatic precipitation blackboard eraser of Fig. 2, comprise the blackboard eraser main body 1 that has cavity, described blackboard eraser main body bottom surface is provided with bristle 11, described bristle is provided with suction port 111, and dust enters the cavity from suction port.The parallel first electrostatic precipitation device and the second electrostatic precipitation device of being provided with in the cavity of described blackboard eraser main body, the position of the first electrostatic precipitation device is identical with embodiment one position, the structure of two electrostatic precipitation devices is basic identical, described two electrostatic precipitation devices comprise flabellum 21 respectively, electrostatic precipitation net 22, vertical power transmission shaft 23, vertical bevel gear 24, laterally power transmission shaft 25 and laterally bevel gear 26, static hairbrush on described electrostatic precipitation net and the flabellum touches, described vertical power transmission shaft one end and flabellum keyed jointing, the vertical power transmission shaft other end and vertical bevel gear keyed jointing, described horizontal power transmission shaft and horizontal bevel gear keyed jointing, described horizontal power transmission shaft and vertical power transmission shaft are by being fixed on the frame support supporting in the cavity, described vertical bevel gear and laterally bevel gear engagement, horizontal power transmission shaft in described two electrostatic precipitation devices is linked with pitch wheel 6 respectively, wherein an end and the friction pulley keyed jointing of the horizontal power transmission shaft in the first electrostatic precipitation device, horizontal power transmission shaft in the first electrostatic precipitation device is coaxial with friction pulley, and the outer rim of described friction pulley is positioned at outside the blackboard eraser main body.Operation principle: when erasing the board, friction pulley contacts with blackboard, the process friction pulley of wiping rotates, the gear that drives in the first electrostatic precipitation device rotates, gear in the second electrostatic precipitation device rotates thereupon, respectively power is sent on two flabellums in the dust exhaust apparatus by horizontal bevel gear and vertical bevel gear, the first electrostatic precipitation device is online with the electrostatic precipitation that dust is drawn into wherein, electrostatic precipitation net in the second electrostatic precipitation device dust that first electrostatic precipitation is online further adsorbs, and dust is played the effect of dual absorption.Also can on the basis of the first electrostatic precipitation device, be provided with multilayer electrostatic precipitation device successively, decide according to the blackboard eraser inner chamber.
Embodiment three, as shown in Figure 3, in order to reach better pick-up performance, keeping under the constant situation of the first electrostatic precipitation device and the second electrostatic precipitation apparatus structure, be provided with vertical electrostatic precipitation net 7 in cavity one side with the corresponding blackboard eraser of friction pulley, static hairbrush on described vertical electrostatic precipitation net and the flabellum 8 touches, the other end keyed jointing of the horizontal power transmission shaft in the described flabellum and the first electrostatic precipitation device.Play effect to the dust suction of dust side.The material of described dust absorption net is polyvinyl chloride or chloropropene, described static hairbrush material be the mane of animal.Described blackboard eraser main body is provided with the opening of removing dust.Described blackboard eraser sidewall is provided with exhaust outlet 9, is convenient to air and flows.The other end of the horizontal power transmission shaft in the first electrostatic precipitation device is provided with interface 10, and described interface is a sleeve pipe, and sleeve pipe can be solidified as a whole two parts of horizontal power transmission shaft, is convenient to dismounting.One side blackboard eraser sidewall can be opened at the interface place, and dust is outwelled.Operation principle: when erasing the board, friction pulley contacts with blackboard panel, power is sent to horizontal power transmission shaft in the first electrostatic precipitation device by friction pulley, pass through gear meshing, drive the second electrostatic precipitation device work, the flabellum 8 that laterally power transmission shaft drives and vertical electrostatic precipitation net touches rotates simultaneously, and static hairbrush and dust absorption net friction produce static, dust are sucked in the cavity of blackboard eraser.After dust is filled, horizontal power transmission shaft one end at interface place is extracted, statue electrostatic precipitation net and flabellum 8 are opened near the housing at the 3rd electrostatic precipitation device place and dust can be disposed.In addition, also can adopt other mode to remove dust, as offering an opening on blackboard eraser main body top, when needing cleaning, the end cap of opening on the opening is poured out dust.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (5)

1. electrostatic precipitation blackboard eraser, comprise the blackboard eraser main body that has cavity, described blackboard eraser main body bottom surface is provided with bristle, described bristle is provided with suction port, it is characterized in that: be provided with an electrostatic precipitation device in the cavity of described blackboard eraser main body at least, described electrostatic precipitation device comprises flabellum, the electrostatic precipitation net, vertical power transmission shaft, vertical bevel gear, laterally power transmission shaft and laterally bevel gear, static hairbrush on described electrostatic precipitation net and the flabellum touches, described vertical power transmission shaft one end and flabellum keyed jointing, the vertical power transmission shaft other end and vertical bevel gear keyed jointing, described horizontal power transmission shaft and horizontal bevel gear keyed jointing, described horizontal power transmission shaft and vertical power transmission shaft are by being fixed on the frame support supporting in the cavity, described vertical bevel gear and laterally bevel gear engagement; One end of described horizontal power transmission shaft is linked with friction pulley, and the outer rim of described friction pulley is positioned at outside the blackboard eraser main body.
2. electrostatic precipitation blackboard eraser, comprise the blackboard eraser main body that has cavity, described blackboard eraser main body bottom surface is provided with bristle, described bristle is provided with suction port, it is characterized in that: the parallel first electrostatic precipitation device and the second electrostatic precipitation device of being provided with in the cavity of described blackboard eraser main body, described two electrostatic precipitation devices comprise flabellum respectively, the electrostatic precipitation net, vertical power transmission shaft, vertical bevel gear, laterally power transmission shaft and laterally bevel gear, static hairbrush on described electrostatic precipitation net and the flabellum touches, described vertical power transmission shaft one end and flabellum keyed jointing, the vertical power transmission shaft other end and vertical bevel gear keyed jointing, described horizontal power transmission shaft and horizontal bevel gear keyed jointing, described horizontal power transmission shaft and vertical power transmission shaft are by being fixed on the frame support supporting in the cavity, described vertical bevel gear and laterally bevel gear engagement, horizontal power transmission shaft in described two electrostatic precipitation devices is linked with pitch wheel respectively, wherein an end of the horizontal power transmission shaft in the first electrostatic precipitation device is linked with friction pulley, and the outer rim of described friction pulley is positioned at outside the blackboard eraser main body.
3. electrostatic precipitation blackboard eraser according to claim 2, it is characterized in that: be provided with vertical electrostatic precipitation net in cavity one side with the corresponding blackboard eraser of friction pulley, static hairbrush on described vertical electrostatic precipitation net and the flabellum touches, the other end keyed jointing of the horizontal power transmission shaft in the described flabellum and the first electrostatic precipitation device.
4. electrostatic precipitation blackboard eraser according to claim 1 and 2 is characterized in that: the material of described dust absorption net is polyvinyl chloride or chloropropene, described static hairbrush material be the mane of animal.
5. according to claim 1 or 2 or 3 described electrostatic precipitation blackboard erasers, it is characterized in that: described blackboard eraser main body is provided with the opening of removing dust.
CN2011200403786U 2011-02-17 2011-02-17 Electrostatic dust absorption blackboard eraser Expired - Fee Related CN201998703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200403786U CN201998703U (en) 2011-02-17 2011-02-17 Electrostatic dust absorption blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200403786U CN201998703U (en) 2011-02-17 2011-02-17 Electrostatic dust absorption blackboard eraser

Publications (1)

Publication Number Publication Date
CN201998703U true CN201998703U (en) 2011-10-05

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Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105216513A (en) * 2015-07-21 2016-01-06 江苏大学 A kind of environmental protection electrostatic type dust absorption blackboard eraser
CN106346993A (en) * 2016-08-29 2017-01-25 江苏大学 Mechanical dust-proof eraser
CN107415543A (en) * 2017-04-14 2017-12-01 刘其获 Environment-friendly dust-proof eraser
CN108859518A (en) * 2018-06-15 2018-11-23 黄崇轩 A kind of picture auxiliary body of mathematical education

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105216513A (en) * 2015-07-21 2016-01-06 江苏大学 A kind of environmental protection electrostatic type dust absorption blackboard eraser
CN105216513B (en) * 2015-07-21 2017-09-05 江苏大学 A kind of environmental protection electrostatic type dust absorption blackboard eraser
CN106346993A (en) * 2016-08-29 2017-01-25 江苏大学 Mechanical dust-proof eraser
CN107415543A (en) * 2017-04-14 2017-12-01 刘其获 Environment-friendly dust-proof eraser
CN108859518A (en) * 2018-06-15 2018-11-23 黄崇轩 A kind of picture auxiliary body of mathematical education

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111005

Termination date: 20140217