CN201800384U

CN201800384U - Novel blackboard

Info

Publication number: CN201800384U
Application number: CN2010202670787U
Authority: CN
Inventors: 李明翰
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-22
Filing date: 2010-07-22
Publication date: 2011-04-20
Anticipated expiration: 2020-07-22

Abstract

The utility model provides a novel blackboard which relates to a structural improvement on a blackboard, is convenient to use and has the functions of automatic dust cleaning and collecting. The novel blackboard comprises a blackboard and is characterized in that an upper casing and a lower casing are arranged at the upper and the lower ends of the blackboard; a motor is arranged in the lower casing and connected with one end of the a drive shaft; the other end of the drive shaft is arranged in a bearing arranged in the upper casing of the blackboard; a drive gear is arranged on the drive shaft inside the upper casing and the lower casing; a driving chain is arranged outside the drive gear; a driven gear is arranged in the driving chain and connected with a blackboard eraser through a driven shaft; the blackboard eraser comprises a rear shell; the rear shell and a front shell are integrally arranged in a mutually matched way; a fan is arranged in the rear shell; and a ventilation hole is formed on the rear shell; a brush is arranged outside the front shell; and dust collection holes are formed on the shell wall with the brush on front shell.

Description

New type blackboard

Technical field:

The utility model relates to a kind of improvement of blackboard structure.

Background technology:

Existing blackboard needs manual wipping, wastes time and energy; And dust is big, and person health is had bad influence.

Summary of the invention:

The utility model is exactly at the problems referred to above, provide a kind of easy to use, can wipe the new type blackboard of ash, dust suction automatically.

For reaching above-mentioned purpose of the present utility model, the utility model adopts following technical scheme, the utility model comprises blackboard, the two ends up and down of its structural feature blackboard are provided with upper shell and lower house, be provided with motor in the lower house, motor links to each other with an end of driving shaft, and the other end of driving shaft is arranged in the bearing in the upper shell of blackboard; Driving shaft in upper shell and the lower house is provided with driving gear; Driving gear is outward a driving chain; Be provided with driven gear in the driving chain, driven gear links to each other with blackboard eraser by driven shaft;

Described blackboard eraser comprises back cover, and back cover is set to one with matching with fore shell, be provided with fan in the back cover, and back cover is provided with air vent; Fore shell is outside equipped with hairbrush, and the shell wall that fore shell is provided with hairbrush is provided with air suction opening.

The beneficial effects of the utility model:

1, simple in structure:

The two ends up and down of blackboard of the present utility model are provided with upper shell and lower house, are provided with motor in the lower house, and motor links to each other with an end of driving shaft, and the other end of driving shaft is arranged in the bearing in the upper shell of blackboard; Driving shaft in upper shell and the lower house is provided with driving gear; Driving gear is outward a driving chain; Be provided with driven gear in the driving chain, driven gear links to each other with blackboard eraser by driven shaft; Be provided with motor in the blackboard eraser; Its member is few, and the utility model is simple in structure thus.

2, easy to use:

Because design feature of the present utility model when needs erase the board, only needs to open motor, motor drives blackboard eraser by chain, and the hairbrush of blackboard eraser is with the writing wiped clean on the blackboard; Method of operating is simple, and the utility model is easy to use thus.

3, health is clean:

Owing to be provided with fan in the novel blackboard eraser of this uses, along with the motion of fan, the dust under the wiping all can be sucked in the blackboard eraser, prevented that dust from dancing in the air all over the sky and to influence people healthy; The utility model health is clean thus.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the cutaway view of blackboard eraser;

1 is that motor, 2 is that driving gear, 3 is that driving chain, 4 is that driven gear, 5 is that driven shaft, 6 is that blackboard eraser, 7 is that driving shaft, 8 is that bearing, 9 is that upper shell, 10 is that blackboard, 11 is that lower house, 12 is that fan, 13 is that back cover, 14 is that fore shell, 15 is that air suction opening, 16 is that screen pack, 17 is that air vent, 18 is a bristle in the accompanying drawing.

The specific embodiment:

The utility model comprises blackboard 10, and the two ends up and down of blackboard 10 are provided with upper shell 9 and lower house 11, are provided with motor 1 in the lower house 11, and motor 1 links to each other with an end of driving shaft 7, and the other end of driving shaft 7 is arranged in the bearing 8 in the upper shell 9 of blackboard 10; Driving shaft 7 in upper shell 9 and the lower house 11 is provided with driving gear 2; Outside the driving gear 2 is driving chain 3; Be provided with driven gear 4 in the driving chain 3, driven gear 4 links to each other with blackboard eraser 6 by driven shaft 5;

Described blackboard eraser 6 comprises back cover 13, and back cover 13 is set to one with fore shell 14 with matching, is provided with fan 12 in the back cover 13, and back cover 13 is provided with air vent 17; Fore shell 14 is outside equipped with hairbrush 18, and the shell wall that has hairbrush 18 on the fore shell 14 is provided with air suction opening 15.

Be provided with screen pack 16 in the air vent 17 of back cover 13; Prevent that dust from leaking and go out from air vent 17.

Below in conjunction with a description of drawings course of action of the present utility model:

During use, open motor 1, motor 1 drives driving shaft 7 and rotates, driving shaft 7 drives driving gear 2 and rotates, driving gear 2 drives driving chain 3 motions, and driving chain 3 drives driven gear 4 motions, and driven gear 4 drives blackboard eraser 6 by driven shaft 5 and moves on blackboard 1; Hairbrush 18 on the fore shell 14 of blackboard eraser 6 is brushed the letter written with chalk on the blackboard 10; Also be provided with fan 12 in the blackboard eraser 6, fan 12 is opened along with the unlatching of motor 1, and the dust that blackboard eraser 6 is wiped can be because in the wind-force suction air suction opening 15 of fan 12; Finish the action that once erases the board.

Above content is to further describing that the utility model is done in conjunction with concrete preferred implementation; can not assert that concrete enforcement of the present utility model is confined to these explanations; for the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the definite protection domain of claims that the utility model is submitted to.

Claims

1. new type blackboard comprises blackboard (10), it is characterized in that:

The two ends up and down of blackboard (10) are provided with upper shell (9) and lower house (11), be provided with motor (1) in the lower house (11), motor (1) links to each other with an end of driving shaft (7), and the other end of driving shaft (7) is arranged in the bearing (8) in the upper shell (9) of blackboard (10); Driving shaft (7) in upper shell (9) and the lower house (11) is provided with driving gear (2); Driving gear (2) is outer to be driving chain (3); Be provided with driven gear (4) in the driving chain (3), driven gear (4) links to each other with blackboard eraser (6) by driven shaft (5);

Described blackboard eraser (6) comprises back cover (13), and back cover (13) is set to one with fore shell (14) with matching, is provided with fan (12) in the back cover (13), and back cover (13) is provided with air vent (17); Fore shell (14) is outside equipped with hairbrush (18), and the shell wall that has hairbrush (18) on the fore shell (14) is provided with air suction opening (15).

2. new type blackboard according to claim 1 is characterized in that being provided with screen pack (16) in the air vent (17) of back cover (13).