CN2803759Y - Folding eraser - Google Patents

Abstract

The utility model relates to a folding blackboard eraser, which comprises a rectangular wood board and a cleaning brush bristle, wherein the cleaning brush bristle is arranged on the surface of the wood board and the rectangular wood board and a handle hinge are connected and are fixed by an inserting hole and a plug. When the utility model is used, a tall user can normally use the blackboard eraser to clean the blackboard through the brush bristle, a short user can open the handle of the wood board through the hinge to increase the length of the wood board, and then, the plug is arranged and inserted in the inserting hole to fix and prevent the handle from moving. The utility model has the advantages of simple structure, convenience, practicability, economy, convenient carrying, etc. The utility model can enlarge the length of the blackboard, and improves the applicability of the blackboard eraser.

Description

Folding blackboard is wiped

Technical field the utility model relates to a kind of realia, especially a kind of blackboard eraser that can fold.

Technical background is present, still uses ordinary blackboard eraser to come blackboard wiping in school.It is big that but present blackboard eraser is suitable for crowd's limitation, and for student of short and small stature, they can't effectively carry out wiping to blackboard top when using blackboard eraser, and blackboard eraser that can be present can't solve this class problem.

The summary of the invention the purpose of this utility model provides a kind of Folding blackboard and wipes, and is used to solve the problem that ordinary blackboard eraser can't be provided convenience for student of short and small stature.

For achieving the above object, the utility model Folding blackboard is wiped, and comprises rectangle plank and the cleaning bristle that is installed in the plank surface, and the rectangle plank is connected with the handle folding, and can fix with jack and latch in the junction of plank and handle.

After adopting said structure, user of imposing stature can normally use blackboard eraser; If user's stature is comparatively short and small, can connect by folding and open handle, latch is inserted in the jack fixes then, can increase the length of blackboard eraser like this, be fit to short and small student and use.

The utility model has the advantages that: simple in structure, convenient and practical, economical and practical, easy to carry, can also increase blackboard eraser length, improved the applicability of blackboard eraser.

The overall structure schematic diagram that description of drawings Fig. 1 wipes for the utility model Folding blackboard.

The specific embodiment as shown in Figure 1, the utility model Folding blackboard is wiped, comprise rectangle plank 1 and the cleaning bristle that is installed in plank 1 surface, rectangle plank 1 is connected 3 with handle 2 foldings, and can fix with jack 4 and latch 5 in the plank 1 and the junction of handle 2.Wherein, use screw and folding that plank 1 and handle 2 are linked together, use screw fixed jack 4 respectively in the same side of plank 1 and handle 2, and the opening of two jacks 4 is positioned at from top to bottom on the straight line, latch 5 can assign in two jacks 4 and play fixation.When using, user of imposing stature can normally use blackboard eraser, by the bristle blackboard wiping on plank 1 surface; If the user is of short and small stature, can connect 3 handles 2 of opening plank 1 by folding, increase the length of plank 1, latch 5 is assigned in the jack 4 fix then, prevent handle 2 activities, take off latch 5 after the use again, be convenient to place and carry.

Claims (2)

1, a kind of Folding blackboard is wiped, and comprises rectangle plank (1) and is installed in the surperficial cleaning bristle of plank (1), and it is characterized in that: rectangle plank (1) is connected (3) with handle (2) folding.

2, Folding blackboard as claimed in claim 1 is wiped, and it is characterized in that: can fix with jack (4) and latch (5) in the plank (1) and the junction of handle (2).

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