CN2673665Y

CN2673665Y - Automatic blackboard erasing device

Info

Publication number: CN2673665Y
Application number: CN 200420001713
Authority: CN
Inventors: 肉孜买买提·买买提明; 阿迪力·阿尤甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-04
Filing date: 2004-01-04
Publication date: 2005-01-26
Anticipated expiration: 2014-01-04

Abstract

The utility model discloses an automatic blackboard erasing device, which is composed of an iron-making blackboard, a blackboard eraser and a remote controller. Inside of the blackboard eraser, a battery and a receiver of remote-control system are arranged, and at the circumference of the bottom of the receiver of remote-control system the magnet pieces are respectively arranged. Inside the both ends of the blackboard eraser the running wheels, which are accompanied with a drive motor and steering wheels are respectively arranged. The blackboard eraser, which is positioned between the two wheels, forms into an empty cavity whose bottom side is open, in the empty cavity the blackboard eraser frame is installed, and a carded felt is arranged at the bottom of the blackboard eraser frame. On the both ends of the roof of the empty cavity the cantilevers which extend downwards are respectively connected. On the lower end of the cantilever the electric machines are respectively installed and on the both ends of the rotating shaft of the motor the blocks which are bound with the dragline are respectively arranged. The upper end of the dragline is connected with the upper frame of the blackboard eraser frame whose circumference is provided with an extension spring, and the top end of the extension spring is connected with the roof of the empty cavity. The device can not only clean the whole handwriting on the blackboard, but also can clean some row or handwriting. No matter the user is tall or short, the handwriting on any position can be easily erased, and the automatic blackboard erasing device can enhance the work efficiency.

Description

Automatic blackboard cleaning device

Technical field

The utility model belongs to the improvement of blackboard cleaning device, particularly automatic blackboard cleaning device.

Background technology

Existing blackboard cleaning device majority is by motor and pulley mechanism drive whole plate face to be carried out wiping by a vertical blackboard eraser that has felt, can comparatively neatly the writings such as letter written with chalk on the plate face be wiped, not only time saving and energy saving, and work the time does not have dust pollution.Its weak point is to wipe the writing of some or certain delegation, and this, will be not easy to touch if the writing position of the wiping of wanting is higher for stature shorter teacher or student very much, not only hinders and gives lessons, and reduce the efficient of giving lessons easily.

Summary of the invention

The purpose of this utility model is to provide a kind of automatic blackboard cleaning device, not only can wipe the writing on the whole plate face but also can wipe certain delegation or some writings targetedly, user's sub-height no matter, can wipe the writing of any position with it, time saving and energy saving, help to increase work efficiency.

The purpose of this utility model is achieved in that a kind of automatic blackboard cleaning device, comprise iron blackboard, blackboard eraser and remote controller, battery and receiver of remote-control sytem are housed in the blackboard eraser, magnet piece is housed respectively around its bottom surface, travel wheel and the deflecting roller that have drive motors are installed respectively in blackboard eraser two, form the hole capital after selling all securities that the bottom surface is opened wide in the blackboard eraser between the two-wheeled, the blackboard brush framework wherein is installed, on its bottom surface felt is housed, the two ends of hole capital after selling all securities roof affixed respectively the cantilever that extends downwards, the cantilever lower end is installed with motor respectively, the two ends of motor rotary shaft are being provided with the pulley that is wound with stay cord respectively, the upper end of stay cord links to each other with the upper ledge of blackboard brush framework, all has extension spring around the blackboard brush framework, and extension spring top and hole capital after selling all securities roof link together.

When the utility model uses, blackboard eraser is by being contained in magnet piece on its bottom surface and being adsorbed on the blackboard surface and can not fall down, travel and steering order to the blackboard eraser transmission with remote controller, when blackboard eraser drives to the writing position that will wipe, motor by remote controller cantilever lower end in being installed in hole capital after selling all securities sends instruction again, make its rotation and tighten up stay cord, the blackboard brush framework moves downward under the effect of stay cord like this, make the felt of installing on its bottom surface compress blackboard, match with the rectilinear motion of blackboard eraser on blackboard surface, the writing on the blackboard can be wiped.And then send instruction and make the motor stall, the blackboard brush framework is pulled upwardly under the effect of extension spring, and felt disengages with blackboard then.Also can easily it be wiped even the writing position of wiping is higher, not only can wipe individual character or single file word, also can wipe the word on the whole plate face, and not be subjected to the restriction of user's height, flexible and convenient to use, time saving and energy saving, help to improve the efficient of giving lessons.

Description of drawings

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

Fig. 1 is a main TV structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of looking up of the utility model blackboard eraser;

Fig. 3 is the plan structure schematic diagram of the utility model blackboard eraser;

Fig. 4 is the side-looking cross-sectional view of the utility model blackboard eraser;

Fig. 5 is the A-A cross-sectional view among Fig. 3;

Fig. 6 is the side-looking cross-sectional view of the another kind of embodiment of the utility model;

Fig. 7 is the B-B cross-sectional view among Fig. 6.

The specific embodiment

A kind of automatic blackboard cleaning device, as shown in Figure 1, comprise iron blackboard 1, blackboard eraser 2 and remote controller, in the side of blackboard 1 charger 3 is installed, battery and receiver of remote-control sytem are housed in the blackboard eraser 2, battery can be selected rechargeable battery for use, and as shown in Figure 2, being provided with in the rear end of blackboard eraser 2 is the charging jack 4 of battery charge.Around the bottom surface of blackboard eraser 2 magnet piece 19 is housed respectively, blackboard eraser 2 is adsorbed on the blackboard 1 by the magnetic force between magnet piece 19 and the blackboard 1.Travel wheel 5 and the deflecting roller 10 that have drive motors are installed respectively in blackboard eraser 2 two, as Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, form the hole capital after selling all securities that the bottom surface is opened wide in the blackboard eraser 2 between the two-wheeled, blackboard brush 15 frameworks wherein are installed, felt 12 is housed on its bottom surface, the two ends of hole capital after selling all securities roof affixed respectively the cantilever 14 that extends downwards, cantilever 14 lower ends are installed with motor 8 respectively, the two ends of motor 8 rotating shafts are being provided with the pulley 21 that is wound with stay cord 20 respectively, the upper end of stay cord 20 links to each other with the upper ledge of blackboard brush framework 15, all have extension spring 9 around the blackboard brush framework 15, extension spring 9 tops and hole capital after selling all securities roof link together.As shown in Figure 2, at wheel 5 the lateral surface that travels electromagnetic brake device is being set respectively, this device comprises and is installed in electromagnet 7 and the elastic braking plate 6 on the gripper shoes in the blackboard eraser 2, the elastic braking plate 6 and wheel 5 CONTACT WITH FRICTION of travelling.Make it produce magnetic for electromagnet 7 energisings, promptly adsorbable elastic braking plate 6 disengages with the wheel 5 that travels, and the wheel 5 that travels can freely rotate, after electromagnet 7 outages, magnetic disappears, and elastic braking plate 6 is adjacent to the wheel 5 that travels immediately, and the wheel 5 that travels will stop operating immediately.

As Fig. 6, shown in Figure 7, produce the phenomenon that chalk dust flies upward in order to prevent to erase the board everywhere, safeguard that teachers and students are healthy, placing dust suction motor 13 vertically in the center of top of blackboard eraser 2, the dust absorption fan 17 of its roller end setting is positioned at the hole capital after selling all securities of blackboard eraser 2, hole capital after selling all securities end face around the dust suction motor 13 is provided with exhaust vent, in the hole capital after selling all securities of dust absorption fan 17 belows concave shape dust-absorbing box 18 is being set, as Fig. 2, shown in Figure 6, the bottom of dust-absorbing box 18 lays respectively at the forward and backward both sides of felt 12.

Claims

1, a kind of automatic blackboard cleaning device, comprise iron blackboard (1), blackboard eraser (2) and remote controller, it is characterized in that: blackboard eraser is equipped with battery and receiver of remote-control sytem in (2), magnet piece (19) is housed respectively around its bottom surface, travel wheel (5) and the deflecting roller (10) that have drive motors are installed respectively in blackboard eraser (2) two, form the hole capital after selling all securities that the bottom surface is opened wide in the blackboard eraser between the two-wheeled (2), blackboard brush framework (15) wherein is installed, felt (12) is housed on its bottom surface, the two ends of hole capital after selling all securities roof affixed respectively the cantilever (14) that extends downwards, cantilever (14) lower end is installed with motor (8) respectively, the two ends of motor (8) rotating shaft are being provided with the pulley (21) that is wound with stay cord (20) respectively, the upper end of stay cord (20) links to each other with the upper ledge of blackboard brush framework (15), all have extension spring (9) around the blackboard brush framework (15), extension spring (9) top and hole capital after selling all securities roof link together.

2, automatic blackboard cleaning device according to claim 1, it is characterized in that: the lateral surface at the wheel (5) that travels is being provided with electromagnetic brake device respectively, this device comprises electromagnet (7) and the elastic braking plate (6) that is installed on the interior gripper shoe of blackboard eraser (2), the elastic braking plate (6) and wheel (5) CONTACT WITH FRICTION of travelling.

3, automatic blackboard cleaning device according to claim 1, it is characterized in that: placing dust suction motor (13) vertically in the center of top of blackboard eraser (2), the dust absorption fan (17) that its roller end is provided with is positioned at the hole capital after selling all securities of blackboard eraser (2), dust suction motor (13) hole capital after selling all securities end face on every side is provided with exhaust vent, in the hole capital after selling all securities of dust absorption fan (17) below concave shape dust-absorbing box (18) is being set, the bottom of dust-absorbing box (18) lays respectively at the forward and backward both sides of felt (12).