CN200964004Y

CN200964004Y - Electric blackboard eraser

Info

Publication number: CN200964004Y
Application number: CN 200620088600
Authority: CN
Inventors: 孟令彪; 盖祥銮; 马丽; 孟令梅; 孟令华; 秦乃; 单孟
Original assignee: 孟令彪
Priority date: 2006-09-05
Filing date: 2006-09-05
Publication date: 2007-10-24
Anticipated expiration: 2016-09-05

Abstract

The utility model discloses an electric chalkboard eraser, comprising an eraser body, a motor, a conveying belt and a chain wheel. The utility model is characterized in that the conveying belt is connected between the driver on the motor shaft on the right side of the chalkboard and the big glide wheel on the left side of the chalkboard; the two ends of the conveying belt are respectively fastened on the left side and the right side of the chain wheel frame; the upper end of the eraser which matches with the chalkboard in width is vertically fixed on the middle part of the chain wheel frame; two small glide wheel shafts with small glide wheels are vertically fixed on the chain wheel frame; an eraser cover is provided on the external of the eraser; positioning devices are arranged respectively on the upper parts of the external of the left side and the right side of the chain wheel frame. The advantages are obvious: the chalkboard cleaning work can be finished by one movement; powered by the motor, the utility model can work reliably; the arrangement of the eraser cover enables the eraser to work hygienically without flying chalk dust; the arrangement of the small chain wheels helps the chalkboard eraser work stably, while the arrangement of big chain wheels improves the reliability of the eraser; the utility model is of simple integral structure, easy maintenance, lower cost, easy popularization.

Description

Electric blackboard eraser

[technical field]

What the utility model related to a kind of blackboard is the cleaning appliance blackboard eraser, belongs to the school supply and stationery field.

[background technology]

At present, the used blackboard eraser of people is inlays a snag on the rectangle plank, and when erasing the board, chalk dust flies upward everywhere, and it is that blackboard eraser all is xerotripsis that the spy cuts to pieces, after clipping certain the time, has often just wiped not clean blackboard.At this moment, can be wiped into a lot of white powder vestige by the blackboard eraser electric dust absorption on the blackboard, cause the black white contrast of blackboard not enough, the writing on the blackboard that teacher writes out is difficult for being recognized by the student, has both influenced the overall appearance of blackboard, influences student's results of learning again.And wipe chalk dust down and directly enter the oral cavity especially, the healthy of academics and students damaged to some extent.Though many innovation and creation at blackboard eraser are also arranged in recent years, as 200420113448.6 " electric dust absorption blackboard erasers ", be still on hand-held blackboard eraser and install dust catcher additional, wiping board is renderd a service low, and manpower is hard; " 200420108587.X environmental-friendly dust-free blackboard eraser " adds water in wiping, unfavorable writing, and structure is also complicated.

[summary of the invention]

The purpose of this utility model is to overcome the prior art above shortcomings, by existing wiping blackboard structure is improved, provides a kind of strip electric blackboard eraser of once cleaning.

This electric blackboard eraser that the utility model provides includes blackboard eraser, motor, conveyer belt. pulley; Its design feature is, is with conveyer belt between driving wheel on the motor reel of blackboard the right and the blackboard left side follower, and the two ends of conveyer belt are separately fixed at the left and right both sides of pulley yoke; The upper end of blackboard eraser is vertically being fixed at the pulley yoke middle part, and the blackboard eraser cover is established in the blackboard eraser outside.

Advantage of the present utility model clearly, at first be that blackboard eraser is almost the same with blackboard wide, once nuzzling up can be finished erasing the board of task, motor is used as power, workability is reliable, and the setting of blackboard eraser cover flies to come out powder, very health, being provided with of truckle guaranteed that blackboard eraser operates steadily, large pulley the reliability that has improved blackboard eraser is set.In a word, overall structure is simple and clear, nuzzles up and once full blackboard can be cleaned; The blackboard eraser cover is totally-enclosed to the gathering of falling with chalk powder in addition, and unified processing does not leak anti-pollution; Large scale structure is uncomplicated, and is durable, easy-maintaining, and the ash-collecting blackboard eraser cost is low relatively easily promotes.

[description of drawings]

Fig. 1 is the utility model structural representation

Among the figure, the 1st, motor, the 2nd, drive pulley, the 3rd, driving-belt, the 4th, electric-control system, the 5th, truckle track, the 6th, belt card, the 7th, truckle, the 8th, truckle axle, the 9th, the pulley cover, the 10th, decide the rolling device, the 11st, the blackboard eraser fixed screw, the 12nd, blackboard eraser, the 13rd, blackboard, the 14th, large pulley axle, the 15th, passive large pulley, the 16th, blackboard eraser cover.

[specific embodiment]

Can find out among Fig. 1 that motor 1 is installed in the upper right side place of blackboard 15, passive large pulley 15 and large pulley axle 14 thereof are installed on four angles of blackboard, are used for supporting conveyer belt 3; Its effect mainly is drive pulley 2 and the left-right rotation on blackboard 13 surfaces smoothly thereof on the initiative driver 3 on the support motor axle, moves to guarantee that the pulley yoke 9 of fixedlying connected with blackboard eraser 12 can be wiped on blackboard; Truckle 7 is installed on the pulley yoke 9 of fixed black blackboard eraser, mainly is to guarantee that pulley yoke 9 under the pulling of driving-belt 3, vertically fixes two truckle axles 8 on the pulley yoke 9, is with at least 1 truckle 7 in every truckle axle 8 upper and lower ends; Truckle 7 on its truckle axle 8 can slide on truckle track 5 smoothly; Pull and wipe fixed screw 11 and be used for finishing being connected between blackboard eraser cover 16 and the blackboard eraser 12.Electric-control system 4 comprises electric control element such as power line, switch etc., the work of control motor.The two ends of conveyer belt 3 fasten left and right both sides at pulley yoke by conveyer belt respectively.Locator 10 is a spring, is fixedly connected on upper end, pulley yoke 9 both sides, and when running into left side large pulley axle or the right electric controller, motor can stop automatically.

The brief for work: by electric-control system 4 power-on, motor 1 starts, and its motor shaft drives initiative driver 2 and driving-belt 3 rotates, spur pulley yoke 9 motions again, be fixed on blackboard eraser 12 on the pulley yoke 9 and wipe movingly, powder drops in the blackboard eraser cover 16, thereby finishes 13 the task of erasing the board.

Claims

1, a kind of electric blackboard eraser includes blackboard eraser, motor, conveyer belt, pulley; It is characterized in that: be with conveyer belt between driving wheel on the motor reel of blackboard the right and the big movable pulley on the blackboard left side, the two ends of conveyer belt are separately fixed at the and arranged on left and right sides limit of pulley yoke; The upper end of the strip blackboard eraser consistent with blackboard width coupling vertically is fixed on the pulley yoke middle part, and the blackboard eraser cover is established in the blackboard eraser outside.

2, according to the electric blackboard eraser of claim 1, it is characterized in that: the two ends of conveyer belt fasten left and right both sides at pulley yoke by conveyer belt respectively.

3, according to the electric blackboard eraser of claim 1, it is characterized in that: be with two truckle axles of truckle, vertically be fixed on the pulley yoke.

4, according to the electric blackboard eraser of claim 2, it is characterized in that: each is enclosed within and is equipped with truckle track 5 below the truckle 7 on the truckle axle 8;

5, according to the electric blackboard eraser of claim 3, it is characterized in that:, locator is housed respectively corresponding to the left and right outer upper of the pulley yoke on the electric controller direction.