CN201941393U - Blackboard - Google Patents

Abstract

The utility model discloses a blackboard, consisting of a handle, an upper hook, an upper track, a bar-type chalk wiper, round fixing holes, a blackboard surface, a lower track and a lower hook. The blackboard is characterized in that the bar-type chalk wiper is arranged on the blackboard surface; the upper part of the bar-type chalk wiper is connected with the upper hook; the lower part of the bar-type chalk wiper is connected with the lower hook; the upper hook is arranged at the upper track; and the lower hook is arranged at the lower track. When in use, the bar-type chalk wiper is pulled through the handle and moves through the upper track and the lower track; therefore, the blackboard can achieve the purpose that the chalk words are uniformly wiped at a time. The blackboard has the beneficial effects that the blackboard has a simple design, is convenient to use and has great practicality.

Description

A kind of blackboard

Technical field

The utility model relates to a kind of blackboard, relates in particular to a kind of blackboard of belt length bar chalkboard eraser, belongs to the blackboard field.

Background technology

At present, dust was big when the blackboard of known technology existed the wiping letter written with chalk, the little drawback of using inconvenience of chalkboard eraser area, and before the utility model was not made, the blackboard of no belt length bar chalkboard eraser used, and it is open that the patent searching document does not have this technical scheme.

Summary of the invention

In order to overcome the deficiency of the blackboard of no belt length bar chalkboard eraser in the prior art, the purpose of this utility model is for a kind of blackboard of belt length bar chalkboard eraser is provided, and this blackboard is provided with rectangular chalkboard eraser, can play the purpose of once evenly wiping letter written with chalk.

The technical scheme in the invention for solving the technical problem is: by handle, last hook, get on the right track, the strip chalkboard eraser, fixing circular hole, blackboard surface, lower railway, lower draw-bar is formed, it is characterized in that blackboard surface is provided with the strip chalkboard eraser, strip chalkboard eraser top connects goes up hook, strip chalkboard eraser bottom connects lower draw-bar, on last hook is located at and gets on the right track, lower draw-bar is located on the lower railway, pass through handle during use, pulling strip chalkboard eraser, the strip chalkboard eraser reaches the purpose of once evenly wiping letter written with chalk on the blackboard by getting on the right track and the advancing of lower railway.

The beneficial effects of the utility model are simplicity of design, and are easy to use, and practicality is bigger.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

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

1. handles among Fig. 1,2. on hook, 3. get on the right track 4. strip chalkboard eraser, 5. fixedly circular hole, 6. blackboard surface, 7. lower railway, 8. lower draw-bar.

The specific embodiment

The utility model by handle 1, on link up with 2, get on the right track 3, strip chalkboard eraser 4, fixedly circular hole 5, blackboard surface 6, lower railway 7, lower draw-bar 8 are formed, it is characterized in that blackboard surface 6 is provided with strip chalkboard eraser 4, strip chalkboard eraser 4 tops connect goes up hook 2, strip chalkboard eraser 4 bottoms connect lower draw-bar 8, last hook 2 is located at and gets on the right track on 3, lower draw-bar 8 is located on the lower railway 7, pass through handle 1 during use, pulling strip chalkboard eraser 4, strip chalkboard eraser 4 by get on the right track 3 with the advancing of lower railway 7, reach the purpose of once evenly wiping letter written with chalk on the blackboard.

Claims (1)

1. blackboard, by handle (1), go up hook (2), get on the right track (3), strip chalkboard eraser (4), fixedly circular hole (5), blackboard surface (6), lower railway (7), lower draw-bar (8) are formed, it is characterized in that blackboard surface (6) is provided with strip chalkboard eraser (4), strip chalkboard eraser (4) top connects goes up hook (2), strip chalkboard eraser (4) bottom connects lower draw-bar (8), last hook (2) is located on get on the right track (3), and lower draw-bar (8) is located on the lower railway (7).

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