CN201313464Y - Bar shaped electric blackboard eraser - Google Patents

Abstract

The utility model discloses a bar shaped electric blackboard eraser which solves the problem that the ordinary blackboard eraser in prior art is inconvenient in erasing the place which is too high or too low, the utility model is technically characterized in that: a handle (1) is long-bar shaped and provided with a micro motor (3) and a rechargeable battery (4) inside and a power switch (5) on the lateral surface. An erasing ball (2) is arranged on the top end of the handle (1) through a rotary shaft (6); the rotary shaft (6) is driven by the motor (3) through the driving mechanism. A dust collecting fan (7) is arranged inside the handle (1). The utility model has the advantages that the user can erase the whole blackboard without the auxiliary of uprising object and bending down.

Description

The bar type electric blackboard eraser

One, technical field

The utility model belongs to teaching aid, relates in particular to a kind of bar type electric blackboard eraser.

Two, technical background

Before the utility model is made, it is on duty for the day that existing pupil in school often need do cleaning, because pupil's age is little, stature is short, runs into high any place and just can't reach, wiping is slowly required great effort, the dirt ash flies upward, and full chalk dirt must be removed the object that tables and chairs etc. can help tower height sometimes, very inconvenient, there is potential safety hazard.And university student or tall classmate erase the board, and the place on the low side body of squatting of must bending over is very painstaking, and be extremely inconvenient.

Three, technical scheme

The purpose of this utility model is to provide a kind of can the convenience to wipe the high low blackboard eraser of smearing freely.

For achieving the above object, main technical schemes of the present utility model is: blackboard eraser is made up of handle, wiping ball, micromachine etc., handle is long clavate, be provided with micromotor and chargeable battery in it, its side is provided with power switch, wipes ball is installed on handle by rotating shaft top, rotating shaft by transmission mechanism by electric-motor drive, and be provided with inner via hole at the rotating shaft center, and being provided with dust-absorbing fan in the handle, the one sidewall is provided with the hole of falling dirt.

The utility model is not only simple in structure, and is easy to make, easy operating, and can help numerous students in middle and primary schools to do blackboard wiping when on duty for the day preferably.

The utility model is described in further detail below in conjunction with accompanying drawing.

Four, description of drawings

Fig. 1 is the utility model structural representation.

Among the figure: 1 is handle, and 2 for wiping ball, and 3 is micromotor, and 4 is chargeable battery, and 5 is power switch, and 6 are rotating shaft, and 7 is dust-absorbing fan, and 8 are the hole of falling dirt.

Five, the specific embodiment

When implementing the utility model, as shown in Figure 1, select the microscler pole handle 1 of plastic production for use, micromotor 3 and chargeable battery 4 are set in pole, and at the outer surface of handle 1 power switch 5 and the hole of falling dirt 8 are set, rotating shaft 6 is provided with its top, its center is provided with straight-through circular hole, link to each other with the rotating shaft of motor 3 by transmission mechanisms such as change-speed gearings, wipe ball 2 and be fixed in the end of rotating shaft 6, be provided with miniature dust absorption fan 7 in the handle 1.When implementing the utility model, open handle 1 lip-deep power switch 5, motor 3 is started working, and drives wiping ball 2 rotations of its end by rotating shaft 6.Can be with wiping the chalk writing of writing on the ball 2 aligning blackboards with its wiped clean.Simultaneously, under the effect of the dust-absorbing fan 7 of dust handle 1 in wiped, wipe in the ball 2 straight-through circular holes through rotating shafts 6 centers certainly and be inhaled into cavity in the handle 1, wiped blackboard after, turn off power switch 5, open the hole of falling dirt 8 and handle 1 interior dust can be poured out.

Claims (2)

1, a kind of bar type electric blackboard eraser, it comprises handle (1) and wipes ball (2), it is characterized in that: handle (1) is long clavate, be provided with micromotor (3) and chargeable battery (4) in it, its side is provided with power switch (5), wipe ball (2) and be installed on the top of handle (1) by rotating shaft (6), rotating shaft (6) by transmission mechanism by motor (3) transmission.

2, bar type electric blackboard eraser according to claim 1 is characterized in that: rotating shaft (6) center is provided with inner via hole, is provided with dust-absorbing fan (7) in the handle (1), and the one sidewall is provided with the hole of falling dirt (8).

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