CN203449807U

CN203449807U - Convenient blackboard

Info

Publication number: CN203449807U
Application number: CN201320306285.2U
Authority: CN
Inventors: 龚韬; 谭培艺
Original assignee: Hunan Normal University
Current assignee: Hunan Normal University
Priority date: 2013-05-30
Filing date: 2013-05-30
Publication date: 2014-02-26
Anticipated expiration: 2023-05-30

Abstract

The utility model discloses a convenient blackboard including a long strip blackboard, two rotary shafts, a blackboard eraser fixing support, a blackboard eraser and a motor. The long strip blackboard is arranged in a head-to-tail connected manner and is winded on the two rotary shafts, so that a conveyor belt is formed. The motor controls the rotation of the two rotary shafts, so that the cycle conveying of the long strip blackboard is realized. A teacher can write on the conveyor belt blackboard. When the blackboard area needs to be enlarged, a user can start the motor and the motor drives the long strip blackboard to move. A blank blackboard face turns to the front side and the blackboard can be in cyclic transfer for unlimited times, so that utilization efficiency of the blackboard is increased. A side face of one of the rotary shafts is equipped with the blackboard eraser fixing support used for fixing the blackboard eraser. The blackboard eraser can clean the blackboard moving by. Therefore, labor strength and time are reduced.

Description

A kind of convenient blackboard

Technical field

The utility model relates to educational aid field, refers to especially a kind of convenient blackboard.

Background technology

In teaching process, teacher many times can write a large amount of writings on the blackboard, because the integral slab face area of blackboard is limited, needs the manually writing on the blackboard on erasing blackboard of teacher or student to continue teaching, has expended teaching and time of having a rest.School adopts the mode that polylith blackboard multiple-layer overlapped is used conventionally at present, expands the usable floor area of blackboard, the number of times erasing the board on minimizing class.Yet, after teaching finishes, still need manual erase, and the piece number of blackboard is still subject to the restriction of classroom size etc., do not tackle the problem at its root.

Utility model content

In view of this, the purpose of this utility model is to propose a kind of convenient blackboard, and the unlimited use that can circulate of a blackboard, also can auto-erasing writing on the blackboard.

A kind of convenient blackboard providing based on above-mentioned purpose the utility model, comprises a block length band blackboard, two rotating shafts, blackboard eraser fixed mount, blackboard eraser and motors.Wherein, described long band blackboard connects from beginning to end, in described two rotating shafts, becomes a conveyer belt.The rotation of two rotating shafts described in described Electric Machine Control, realizes described length with the cyclic transfer of blackboard.Teacher can write writing on the blackboard on belt blackboard, in the time of need to increasing plate face, starts described motor, drives the transmission of described long band blackboard, forwards blank blackboard surface to front.Described rotating shaft side is provided with blackboard eraser fixed mount, for described blackboard eraser is installed, the described long band blackboard eraser turning over is clean.

Described blackboard eraser can be dismantled or be mobile on described blackboard eraser fixed mount.

Described length adopts flexible material with the material of blackboard, guarantees in described rotating shaft.

Between described two rotating shafts, the liner plate with blackboard hardness for increasing described length is installed, while preventing from writing, because of long caving inward of causing not with blackboard hardness on described long band blackboard.

As can be seen from above, the convenient blackboard that the utility model provides can unlimitedly send blackboard in cycles by the rotation of rotating shaft, has increased the service efficiency of blackboard.Blackboard eraser can the unwanted writing on the blackboard of auto-erasing, has saved manpower and time.

Accompanying drawing explanation

Fig. 1 is the convenient blackboard embodiment of the utility model schematic diagram;

Fig. 2 is the top view of the liner plate of the convenient blackboard installation of the utility model.

The corresponding relation of the Reference numeral in figure and its parts that refer to is:

1, long band blackboard; 2, rotating shaft; 3, blackboard eraser; 4, motor; 5, blackboard eraser fixed mount; 6, motor control switch; 7, liner plate.

The specific embodiment

For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.

As shown in Figure 1, the position of two rotating shafts 2 is fixed, and long band blackboard 1 is end to end, in two rotating shafts 2, can send in cycles along with the rotation of rotating shaft 2.The rotation of rotating shaft 2 is controlled by motor 4, while needing to rotate long band blackboard 1, opens motor control switch 6 starter motors 4 and can realize.On the side of rotating shaft 2, blackboard eraser fixed mount 5 is installed, blackboard eraser 3 is arranged on blackboard eraser fixed mount 5, and compressing is with blackboard 1 around the length in rotating shaft 2.When starter motor 4, rotating shaft 2 is rotated and is driven 1 transmission of long band blackboard, through the part of blackboard eraser 3, is wiped clean.

Optionally, blackboard eraser 3 can disassemble or be mobile on blackboard eraser fixed mount 5, thereby pulls open and the long distance with blackboard 1.When not needing to erase the board, can retain the content on blackboard.

Optionally, the long material with blackboard 1 adopts flexible material, can be in described rotating shaft 2.

Optionally, as shown in Figure 2, between two rotating shafts 2, be provided with for increasing the long liner plate 7 with blackboard 1 hardness.Length forwards positive part to blackboard 1 and is lining on liner plate 7, can assist and increase the inadequate problem of hardness that longthening belt blackboard 1 may exist, and guarantees that writing writing on the blackboard duration band blackboard 1 can not cave inward.

Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a convenient blackboard, is characterized in that, comprises a block length band blackboard, two rotating shafts, blackboard eraser fixed mount, blackboard eraser and motors; Wherein, described long band blackboard connects from beginning to end, in described two rotating shafts, the rotation of two rotating shafts described in described Electric Machine Control, realizes described length with the cyclic transfer of blackboard, and described rotating shaft side is provided with blackboard eraser fixed mount, be used for installing described blackboard eraser, the described long band blackboard eraser turning over is clean, and described blackboard eraser can be dismantled or be mobile on described blackboard eraser fixed mount, and the length of described blackboard eraser and described length match with the height of blackboard.

2. convenient blackboard according to claim 1, is characterized in that, described length adopts flexible material with the material of blackboard.

3. convenient blackboard according to claim 1, is characterized in that, between described two rotating shafts, the liner plate with blackboard hardness for increasing described length is installed.