CN201329748Y - Novel blackboard eraser - Google Patents

Abstract

The utility model relates to a novel blackboard eraser which comprises support plates, support bars and a sponge mat, wherein the support plates are a strip-shaped two-section type structure, the two support plates are connected in horizontal inserting mode, the front surface of the support plates is fixedly connected with the sponge mat, the back surface is glued with a flat mirror, two support bars are respectively vertically fixedly connected with the two support plates, one of the support bars is a hollow structure, a telescopic ferule is installed in the support bar, and the other support bar is a telescopic structure. When teachers clean the blackboard, the teachers can observe the state of students through the flat mirror on the back surface of the blackboard eraser, and prevent students from doing petty actions or other things being foreign to study when the teachers are back to students, the blackboard eraser can be separated for use, and can be combined for use, when the arm is not long enough, the length of the support bar can be adjusted, and teachers can take the ferule from the support bar for use. The novel blackboard eraser has the advantages of simple structure, convenience, practicability and multiple functions, and can effectively supervise students.

Description

New blackboard is wiped

Technical field

The utility model relates to a kind of teaching aid, and especially a kind of new blackboard is wiped.

Background technology

In teaching process, the teachers association often uses blackboard eraser to come the wiping writing, but the student does little trick when being everlasting teacher's blackboard wiping, influence order in education; When student's blackboard wiping, because arm length is not enough, the point of often need standing on tiptoe, existing wiping blackboard structure is fairly simple, can not satisfy people's needs, and in order to address the above problem, it is very necessary that we provide a kind of new blackboard to wipe.

Summary of the invention

The purpose of this utility model has overcome above-mentioned said deficiency, provides a kind of convenient and practical new blackboard to wipe.

For achieving the above object, the utility model new blackboard is wiped, comprise gripper shoe, support bar and foam-rubber cushion, gripper shoe is a strip two-part structure, and both water horizontal plug-in types connect, the positive affixed foam-rubber cushion of gripper shoe, the back side is pasted and is connected level crossing, and two support bars are vertical affixed with two gripper shoes respectively, and one of them support bar is a hollow structure, flexible teacher's pointer is housed in it, and another support bar is a Collapsible structure.

After adopting said structure, when serving as a teacher blackboard wiping, can observe student's state by the level crossing at the blackboard eraser back side, prevent the student teacher back to the time play some prank or other or do other and the irrelevant thing of study, this blackboard eraser can separately use, and also can merge use, when arm length is not enough, the length of adjustable support bar, the teacher also can take out teacher's pointer and use from support bar.

The utility model has the advantages that: simple in structure, convenient and practical, diverse in function, can effectively supervise student etc.

Description of drawings

The overall structure schematic diagram that Fig. 1 wipes for the utility model new blackboard.

The specific embodiment

As shown in Figure 1, the utility model new blackboard is wiped, comprise gripper shoe 1, support bar and foam-rubber cushion 2, gripper shoe 1 is a strip two-part structure, and both water horizontal plug-in types connect, gripper shoe 1 positive affixed foam-rubber cushion 2, it is vertical affixed with two gripper shoes respectively with 4-2 that 3, two support bar 4-1 of connection level crossing are pasted at the back side, and one of them support bar 4-1 is a hollow structure, flexible teacher's pointer 5 is housed in it, and another support bar 4-2 is a Collapsible structure.

Claims (1)

1, a kind of new blackboard is wiped, comprise gripper shoe (1), support bar and foam-rubber cushion (2), it is characterized in that: gripper shoe (1) is a strip two-part structure, both water horizontal plug-in types connect, the positive affixed foam-rubber cushion of gripper shoe (1) (2), and the back side is pasted and is connected level crossing (3), two support bars (4-1) are vertical affixed with two gripper shoes respectively with (4-2), one of them support bar (4-1) is a hollow structure, and flexible teacher's pointer (5) is housed in it, and another support bar (4-2) is a Collapsible structure.

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