CN2216467Y

CN2216467Y - Rolling automatic cleaning and collecting chalk dust blackboard

Info

Publication number: CN2216467Y
Application number: CN 95205696
Authority: CN
Inventors: 苏国安
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-03-16
Filing date: 1995-03-16
Publication date: 1996-01-03
Anticipated expiration: 2005-03-16

Abstract

The utility model relates to a rolling automatically cleaning and collecting dust blackboard. A motor and a transmission device are used for driving a drive roller, a driven roller and a wiping roller which is arranged between the drive roller and the driven roller. When the utility model is used for wiping during writing, the drive roller drives the rolling slat to roll around the drive roller. The goal of wiping and changing the position of the rolling automatically cleaning and collecting dust blackboard simultaneously is obtained. The utility model replaces the labor of wiping a blackboard for teachers in person and can make the teachers and students free from the pollution of powder dust.

Description

The roller shutter type automatic cleaning and collecting chalk dust blackboard

The utility model relates to a kind of blackboard for education, particularly a kind of roller shutter type automatic cleaning and collecting chalk dust blackboard.

Traditional blackboard for education must be wiped chalk writing with blackboard eraser, can reuse, and its plate face can't move.In use there are the following problems for this blackboard:

1, the plate face only can use after erasing, can not change the plate face at once.

2, the teacher is not only wasted time and energy when erasing, and it is healthy that its dust also influences Faculty and Students.

3, the writing that is in the blackboard bottom is easily blocked by human body, gives to give lessons and study is made troubles.

The purpose of this utility model will provide a kind of roller shutter type automatic cleaning and collecting chalk dust blackboard exactly, and it is to utilize rolling slat to change the plate face around drive roll, driven roll, by wiping roller chalk writing is removed automatically simultaneously.

Being achieved as follows of the technical solution of the utility model: the roller shutter type automatic cleaning and collecting chalk dust blackboard of forming by drive roll, driven roll, pedestal, rolling slat, motor, travelling gear, writing backing plate, wiping roller and secondary brushing, its pedestal is split type, be that the residing pedestal in driven roll two ends is that split is connected with the residing pedestal in drive roll two ends, its purpose is to regulate the distance of shaft centers between drive roll and the driven roll, to reach the purpose to the rolling slat tensioning.

Drive roll, driven roll and wiping roller are parallel to each other.

Establish one and wipe roller between drive roll and driven roll, it places the outside of rolling slat behind drive roll and the driven roll and to the front of rolling slat roof pressure, makes rolling slat constitute a cornerite around wiping roller.Wipe on the roller and lay hairiness or brush, so that in rolling, the powder mark on the rolling slat is wiped.

The fixing secondary brushing that contacts with the rolling slat front in the powder groove of drive roll bottom.Lay hairiness or brush on the secondary brushing.

Be fixed with gear on the axle in the drive roll outside, it connects with initiative roll shaft by shaft coupling, the outside of wiping roller spool on be fixed with gears engaged on gear, it and the drive roll.

Rolling slat of the present utility model is around the rotation of drive roll and driven roll, make rolling slat the moving from bottom to top after writing, the rotation of the wiping roller by the back is wiped the chalk writing above the rolling slat in rolling slat face moving process, and the new plate face of rolling slat for having cleaned when changing to writing surface.Its dust falls in below the powder groove.In use, the teacher need only press push button, can finish the work of wiping board and replacing plate face like a cork, has not only guaranteed teacher's hours of instruction effectively, simultaneously, also makes professor and student avoid the infringement of dust.

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

Fig. 2 is a left TV structure schematic diagram of the present utility model.

In Fig. 1, Fig. 2.1. rolling slat 2. driven rolls 3. are wiped roller 4. drive rolls 5. gears 6. gears 7. motors 8. shaft couplings 9. pedestals 10. powder grooves 11. loam cakes 12. secondary brushings 13. writing backing plates 14. pedestals 15. back rolling slats.

With reference to Fig. 1, Fig. 2.Include drive roll (4), driven roll (2), pedestal (9), (14), rolling slat (1), motor (7), gear (5), (6), writing backing plate (13) at interior roller shutter type automatic cleaning and collecting chalk dust blackboard, place the wiping roller between drive roll and the driven roll (to be one with rolling slat (1) from the back rolling slat, be referred to as by inactive state) the front roof pressure of lateral rolling slat, make rolling slat constitute a cornerite around wiping wheel.So promptly increase the erasing area effectively, effectively the powder mark on the rolling slat face is wiped.Be provided with a powder groove (10) in the drive roll bottom, fix a secondary brushing (12) that contacts with rolling slat (1) front in it, its setting is, wipes the powder mark of not cleaning in the roller process and can remove by secondary.

The residing pedestals in driven roll (2) two ends (14) and the residing pedestals in drive roll (4) two ends (9) are for split is connected, and it can be used for regulating the distance of shaft centers between drive roll and the driven roll, comes the tensioning rolling slat.Rolling slat is that the higher flexible material of intensity is manufactured.

Gear (6) and gear (5) engagement, and be separately fixed on drive roll and the wiping roll shaft, initiative roll shaft connects with motor shaft by shaft coupling.

Claims

1, a kind of roller shutter type automatic cleaning and collecting chalk dust blackboard, comprise drive roll (4), driven roll (2), pedestal (14), (9), rolling slat (1), motor (7), gear (5), (6) and writing backing plate (13), it is characterized in that: between drive roll (4) and driven roll (2), establish one and wipe roller (3), it places the front roof pressure of the lateral rolling slat of rolling slat (5) behind drive roll and the driven roll, makes rolling slat constitute a cornerite around wiping roller.

2, the described roller shutter type automatic cleaning and collecting chalk dust blackboard of root a tree name claim 1 is characterized in that: fix a secondary brushing (12) that contacts with rolling slat (1) front in the powder groove (10) of drive roll (4) bottom.

3, the described roller shutter type automatic cleaning and collecting chalk dust blackboard of root a tree name claim 1 is characterized in that: driven roll (2) two ends pedestals of living in (14) are connected for split with the residing pedestals in drive roll (4) two ends (9); Be parallel to each other by drive roll (2), drive roll (4) and wiping roller (3).

4, the described roller shutter type automatic cleaning and collecting chalk dust blackboard of root a tree name claim 1 is characterized in that: gear (6) is fixedlyed connected with the axle of drive roll, and meshes with the gear (5) that is fixed on the wiping roll shaft.