CN201201450Y

CN201201450Y - Automatic dustless blackboard cleaning device

Info

Publication number: CN201201450Y
Application number: CNU200820001960XU
Authority: CN
Inventors: 蒋利兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-14
Filing date: 2008-01-14
Publication date: 2009-03-04
Anticipated expiration: 2018-01-14

Abstract

The utility model provides an automatic dust free blackboard cleaning device, which consists of an automatic translation part and a cleaning dust removal part, wherein an inner pulley of an upper wheel track is horizontally arranged, an inner pulley of a lower wheel track is vertically arranged, a horizontal driving wheel is driven by the rotation of a motor and a gear to drive the cleaning dust removal part to horizontally move, the lower wheel track is provided with a left limitation baffle plate and a right limitation baffle plate, a shell of the cleaning dust removal part is provided with a left push-button switch and a right push-button switch corresponding to the left limitation baffle plate and the right limitation baffle plate, and the cleaning dust removal part is controlled to carry out the automatic translation between the left limitation baffle plate and the right limitation baffle plate by the on or off of the left push-button switch and the right push-button switch; the inside of a dust collection cover is provided with two cleaning wheels which can reversely rotate in synchronization with the rotation of the motor and the gear, hair brushes of the cleaning wheels can be fully contacted with a blackboard, the dust on the blackboard can be brought into the dust collection cover by the rotation of the cleaning wheels, a dust scraping baffle plate in the dust collection cover can remove the dust from the cleaning wheels, and the dust is absorbed by a static hair brush, or the dust enters a cleaner through a dust collection bucket, and is discharged after the air filtration and temporarily stored in a dust storage box under the actions of, the gravity of the dust and the suction force of a dust cleaner fan, thereby realizing the cleaning and the dust removal.

Description

The Automatic dust-free blackboard cleaning device

Technical field

The utility model relates to a kind of blackboard cleaning device, especially a kind of device of automatic dustless cleaning blackboard.

Background technology

At present, traditional method is hand-held blackboard eraser cleaning blackboard, and shortcoming is an effort, and chalk dust pollutes classroom environment.Disclosed blackboard cleaning device, bulky, the complex structure, the influence that have are attractive in appearance, the original structure of change blackboard that has, the complicated operation that has.

Summary of the invention

The utility model provides a kind of Automatic dust-free blackboard cleaning device, is made of automatic member of translational and cleaning dedusting parts, and volume is little, attractive in appearance, does not change the original structure of blackboard, and is simple to operate.

The technical scheme that its technical problem that solves the utility model adopts is: horizontal wheel track is installed on the wall of blackboard above and below, the top sheave horizontal positioned, lower sheave is vertically placed, the horizontal drive wheel is through reduction gearing and direct current generator snap-in, following wheel track has left and right sides postive stop baffle, there are Chang Kai and normally closed two press buttones in the corresponding postive stop baffle of face position about cleaning dedusting parts shell, the cleaning wheel that two synchronous backward rotations are arranged in the poly-dust hood, left side cleaning wheel counterclockwise rotates (looking up), right cleaning wheel clockwise direction rotation (looking up), spacing is greater than 0.5 centimetre between two cleaning wheels, the cleaning wheel wheel shaft adopts stainless steel to make, wheel body adopts cellular rubber to make, the surface is covered with pliable and tough hairbrush, long 0.1 centimetre to 0.5 centimetre of hairbrush, the mutual snap-in of the in-line gears of two cleaning wheels, wherein the in-line gears of a cleaning wheel are through reduction gearing and motor snap-in, in the poly-dust hood dust blowing baffle plate and electrostatic precipitation hairbrush are arranged, the dust blowing baffle plate fully contacts with cleaning wheel hairbrush part, under the poly-dust hood poly-dirt bucket is arranged, poly-dirt bucket bead stretches into the blackboard below, 0.1 centimetre to 0.5 centimetre of poly-dust hood bead and blackboard surface spacing, poly-dirt bucket is connected with the dust dust catcher down, in the dust dust catcher air filter is arranged, blower fan, dust-collecting box has exhaust outlet down.When connecting power supply, dust dust catcher blower fan rotates beginning dust suction work, motor is through two cleaning wheel synchronous backward rotations beginning to clean of gear driven blackboard letter written with chalk, the horizontal drive wheel drives the translation of cleaning dedusting parts under the drive of direct current generator and reduction gearing, dust on the blackboard is cleaned to take turns to rotate and brings poly-dust hood into, the dust blowing baffle plate is removed dust from cleaning wheel, dust is adsorbed by the electrostatic precipitation hairbrush or under the suction of self gravitation and dust dust catcher blower fan, enter the dust dust catcher with downdraught, air is discharged from exhaust outlet after filtering, dust is temporary at dust-collecting box, when moving to, cleaning dedusting parts move right automatically when collide with the left limit baffle plate on the left side of blackboard, automatically be moved to the left when moving to the right side of blackboard and the collision of right limit baffle plate, after blackboard cleans satisfaction, cut off the electricity supply, this device quits work.

The beneficial effects of the utility model are: laborsaving as long as click the just translation and clean blackboard automatically of switch connection power supply, and dustless environmental protection.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further specified.

Fig. 1 is left apparent structure figure of the present utility model.

Fig. 2 is a forward sight structural map of the present utility model.

Fig. 3 is that the A-A ' section of Fig. 2 is looked up structural map.

Fig. 4 is that the B-B ' section of Fig. 2 is overlooked structural map.

Fig. 5 is a circuit diagram of the present utility model.

1. walls among the figure, 2. blackboard, 3. ledge for chalk on blackboard, 4. horizontal drive wheel, 5. descend wheel track, 6. top sheave is 7. gone up wheel track, 8. reduction gearing, 9. motor, 10. left cleaning wheel, 11. the dust blowing baffle plate, 12. poly-dust hoods, 13. electrostatic precipitation hairbrush, 14. the cleaning wheel bracing frame, 15. poly-dirt buckets, 16. cleaning wheel wheel shafts, 17. direct current generator, 18. reduction gearing, 19. dust dust catchers, 20. dust-collecting box, 21. lower sheaves are the next takes turns, and 22. lower sheaves are upper takes turns, 23. the lower sheave bracing frame, 24. normally open push button switches, 25. normally closed push button switches, 26. the left limit baffle plate, 27. right limit baffle plates, 28. right cleaning wheels, 29. poly-dirt bucket bead, 30. air filters, 31. blower fans, 32. exhaust outlet, 33. left cleaning wheel in-line gears, 34. right cleaning wheel in-line gears, 35. poly-dust hood bead, 36. circuit board box, 37. power supply lead wires.

The specific embodiment

In Fig. 1, wheel track (7,5) level is installed on the wall (1) of below, blackboard (2) top up and down, adopt metal material indeformable, that hardness is good to make, top sheave (6) horizontal positioned, lower sheave is vertically placed, and guarantees when pulley is installed in the wheel track up and down that cleaning wheel (10,28) hairbrush part fully contacts with blackboard (2) surface; Motor (9) adopts the direct current generator that power is big, rotating speed is fast, and motor (9) drives cleaning wheel (10,28) fast rotational through reduction gearing (8), cleaning wheel in-line gears (33,34); Poly-dust hood bead (35) and blackboard (2) spacing are greater than 0.1 centimetre, less than 0.5 centimetre, in the poly-dust hood (12) dust blowing baffle plate (11) and electrostatic precipitation hairbrush (13) are arranged, electrostatic precipitation hairbrush (13) is downward-sloping, under the poly-dust hood (12) poly-dirt bucket (15) is arranged, poly-dirt bucket bead (29) stretches into the blackboard below, poly-dirt bucket (15) is connected with dust dust catcher (19) down, air filter (30) is arranged in the dust dust catcher (19), blower fan (31), dust-collecting box (20), dust-collecting box (20) can be pulled out, with dust dust catcher (19) joint sealing ring is arranged, prevent gas leakage, can put into band water sponge in dust-collecting box during use (20), exhaust outlet (32) is arranged under the dust dust catcher (19); Horizontal drive wheel (4) and lower railway (5) contact-making surface are down taked anti-skidding processing (the outpacking rubber circle or the slip teeth of setting up defences), direct current generator (17) adopts the direct current generator that power is big, rotating speed is slow, when motor (17) rotates, drive about cleaning dedusting parts level mobile at a slow speed through reduction gearing (18) deceleration rear drive horizontal drive wheel (4); The corresponding ledge for chalk on blackboard (3) of cleaning dedusting parts position indent prevents to be blocked by blackboard eraser or chalk; The interior mounting circuit boards of circuit board box (36), electronic component is installed on the circuit board, the circuit board power output end is connected with motor (9), direct current generator (17), dust catcher blower fan (31) power input respectively through lead-in wire, and circuit board power supply input two ends are connected with the secondary output of power transformer (T) two ends through power supply lead wire (37).

In Fig. 2, totally 2 of top sheaves (6), lower sheave is the next takes turns about (21) totally 2, lower sheave is upper takes turns about (22) totally 2, about between the wheel of position spacing distance do not tilt when guaranteeing this device translation greater than poly-more than 2 times of dust hood (12) width; Have left and right sides postive stop baffle (26 at following wheel track (5), 27), there is normally open push button switch (24) the corresponding postive stop baffle of cleaning dedusting parts shell position, normally closed push button switch (25), normally open push button switch (24) and left limit baffle plate (26) collision when cleaning dedusting parts move to the left side of blackboard, normally open push button switch (24) closure, direct current generator (17) power supply is anti-phase, backward rotation, cleaning dedusting parts move right, normally open push button switch (24) is replied off-state, normally closed push button switch when moving to the right side of blackboard (25) and right limit baffle plate (27) collision, normally closed push button switch (25) disconnects, direct current generator (17) power supply is anti-phase, backward rotation, and cleaning dedusting parts are moved to the left, normally closed push button switch (25) is replied closure state, so repeatedly up to cutting off the electricity supply.

In Fig. 3, poly-dust hood (12) adopts plastics to make, in two cleaning wheels (10 are arranged, 28), spacing is greater than 0.5 centimetre between two cleaning wheels, wheel shaft (16) adopts stainless steel to make, wheel body adopts the good cellular rubber of pliability to make, the surface is covered with pliable and tough hairbrush, long 0.1 centimetre to 0.5 centimetre of hairbrush, adopt plastics or silk, cotton, hair is made, in motor (9), gear (8), in-line gears (33,34) cleaning wheel under the drive (10) is rotation (looking up) counterclockwise, cleaning wheel (28) clockwise direction rotation (looking up), cleaning wheel (10,28) the hairbrush part fully contacts with the blackboard surface, letter written with chalk is wiped and dust is sent into poly-dust hood (12), in the poly-dust hood (12) plastics (or rubber) dust blowing baffle plates (11) are arranged, dust blowing baffle plate (11) adopts plastics or rubber to make, with cleaning wheel (10,28) fully contact of hairbrush part, dust is removed and friction generation static from cleaning wheel, plastics (or silk is arranged on poly-dust hood (12) inwall and the dust blowing baffle plate (11), cotton, hair) electrostatic precipitation hairbrush (13), the absorption dust prevents that dust from leaking; Poly-dirt bucket bead (29) stretches into the blackboard below, with 0.1 centimetre to 0.5 centimetre of plane of structure spacing under the blackboard, when chalk dust because of the suction of dust dust catcher (19) blower fan (31) and the self gravitation effect after losing static fall into poly-dirt bucket (15) when falling; Cleaning wheel bracing frame (14) adopts stainless steel to make, and dust-collecting face should be as far as possible little, prevents the dust accumulation, influences the suction of dust dust catcher.

In Fig. 4, the gear wheel snap-in of the gear of motor (9) and reduction gearing (8), in-line gears (34) snap-in of the pinion of reduction gearing (8) and cleaning wheel (28), in-line gears (33) snap-in of the in-line gears (34) of cleaning wheel (28) and cleaning wheel (10), after connecting power supply, the in-line gears (34) of cleaning wheel (28) are rotation (overlooking) counterclockwise, in-line gears (33) the clockwise direction rotation (overlooking) of cleaning wheel (10), the in-line gears diameter is greater than the cleaning wheel diameter, so the in-line gears installation site above blackboard, does not contact with blackboard.

In Fig. 5, S is a power switch, and T is a transformer, output voltage is according to power of motor, rotating speed apolegamy, and V1-V6 is a commutation diode, and M1 is direct current generator (17), M2 is cleaning wheel motor (9), and M3 is the fan electromotor (31) of dust dust catcher (19), and SB1 is normally closed push button switch among Fig. 2 (25), SB2 is normally open push button switch among Fig. 2 (24), about resistance R resistance 10K, V7 is an one-way SCR, and K is a relay, SK1 is the normally-closed contact of relay K, and SK2 is the normally opened contact of relay K.When S was closed, M1, M2, M3 got electric work, the V7 conducting that is triggered when SB2 presses, and relay K gets electric adhesive, and its normally-closed contact SK1 disconnects, normally opened contact SK2 closure, direct current generator M1 power positive cathode is anti-phase, backward rotation; The V7 dead electricity is ended when SB1 presses, and the relay K dead electricity is unclamped, its normally-closed contact SK1 closure, and normally opened contact SK2 disconnects, and direct current generator M1 power positive cathode is anti-phase, backward rotation.

Claims

1. Automatic dust-free blackboard cleaning device, constitute by automatic member of translational and cleaning dedusting parts, it is characterized in that: horizontal wheel track is installed on the wall of blackboard above and below, the top sheave horizontal positioned, lower sheave is vertically placed, the horizontal drive wheel is through reduction gearing and direct current generator snap-in, in the poly-dust hood two cleaning wheels are arranged, the mutual snap-in of the in-line gears of cleaning wheel, wherein the in-line gears of a cleaning wheel have dust blowing baffle plate and electrostatic precipitation hairbrush through reduction gearing and motor gear snap-in in the poly-dust hood, under the poly-dust hood poly-dirt bucket is arranged, poly-dirt bucket is connected with the dust dust catcher down, and air filter is arranged in the dust dust catcher, blower fan, dust-collecting box has exhaust outlet down.

2. Automatic dust-free blackboard cleaning device according to claim 1 is characterized in that: following wheel track has left and right sides postive stop baffle, and there are Chang Kai and normally closed two press buttones in the corresponding postive stop baffle of face position about cleaning dedusting parts shell.

3. Automatic dust-free blackboard cleaning device according to claim 1 is characterized in that: lower sheave is the next in the following wheel track takes turns at least 2, and lower sheave is upper takes turns at least 2, about between the wheel of position spacing greater than poly-more than 2 times of dust hood width.

4. Automatic dust-free blackboard cleaning device according to claim 1 is characterized in that: 0.1 centimetre to 0.5 centimetre of poly-dust hood bead and blackboard surface spacing.

5. Automatic dust-free blackboard cleaning device according to claim 1, it is characterized in that: left cleaning wheel (10) rotation counterclockwise in the poly-dust hood, right cleaning wheel (28) clockwise direction rotation, spacing is greater than 0.5 centimetre between two cleaning wheels, wheel body employing elasticity, the cellular rubber that pliability is good are made, and the surface is covered with pliable and tough hairbrush, long 0.1 centimetre to 0.5 centimetre of hairbrush, adopt plastics or silk, cotton, batt material to make, cleaning wheel hairbrush part fully contacts with the blackboard surface.

6. Automatic dust-free blackboard cleaning device according to claim 1 is characterized in that: the dust blowing baffle plate adopts plastics or rubber to make in the poly-dust hood, and fully contacts with the hairbrush part of two cleaning wheels.

7. Automatic dust-free blackboard cleaning device according to claim 1 is characterized in that: on poly-dust hood inwall and the dust blowing baffle plate electrostatic precipitation hairbrush is arranged, adopt plastics or silk, cotton, batt material to make, the dust suction hairbrush is downward-sloping.

8. Automatic dust-free blackboard cleaning device according to claim 1 is characterized in that: poly-dirt bucket bead stretches into the blackboard below, with 0.1 centimetre to 0.5 centimetre of plane of structure spacing under the blackboard.