CN201362111Y - Multifunctional blackboard eraser - Google Patents

Abstract

The utility model discloses a multifunctional blackboard eraser, which comprises a hand-held eraser box (1) and bristles (2). The multifunctional eraser is characterized in that a laser torch (3) is installed inside the eraser box (1), a light emitting hole (1a) is arranged on one side of a head portion reflection lamp of the laser torch (3) rightly facing the eraser box (1), and a switch button (3a) on the lateral side of the flashlight (3) extends out the top surface of the eraser box (1). The multifunctional blackboard eraser integrates various functions including erasing blackboards, being used as a pointer for teachers, directly being adhered to a blackboard and the like. As the blackboard eraser is made of sponge, large quantity of chalk dust adhering on the bristles can be avoided. Further, the multifunctional blackboard eraser has simple structure, convenient usage and practicability.

Description

The multi-functional blackboard brush

Technical field

The utility model belongs to a kind of blackboard brush, specifically, is a kind of blackboard brush that gathers multi-function in integral whole.

Background technology

As everyone knows, blackboard and the chalk teaching aid that in teaching process, is absolutely necessary, the teacher demonstrates on blackboard by chalk and comes impart knowledge, also often needs teacher's pointer in the time of at school.At present, blackboard brush all has only the function of single sassafras blackboard, and its present blackboard brush produces a large amount of chalk dust severe contamination teaching environments in the process of sassafras brush, not only endanger teachers and students' health, and also the hygiene to the classroom causes secondary pollution; After the intact blackboard of sassafras, blackboard brush often leaves about, and the place that neither one is fixing often can not find blackboard brush when causing next sassafras blackboard.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of blackboard brush that has multiple function simultaneously.

The technical solution of the utility model is as follows: a kind of multi-functional blackboard brush, comprise hold, bristle, its key is: laser torch is housed in described, and the light hole that this laser torch head shot-light is opened over against a side, the shift knob of described laser torch side stretches out end face.Pin shift knob laser torch shot-light and open, a visible light beam penetrates from light hole, can be used as teacher's pointer and uses, and is very convenient.

Above-mentioned bristle material is a cavernous body.Chalk dust can not be bonded on the bristle in a large number, just can not cause a large amount of pollutions and harm when the chalk dust of cleaning blackboard brush.

Above-mentioned end face is provided with magnetic clasp.The band magnetic clasp utilizes magnetic directly brush box to be bonded on the frosted glass blackboard.Find blackboard brush next time when using easily.

Beneficial effect: the utlity model has the function of sassafras blackboard, can work as teacher's pointer again and use, can directly be bonded at the first-class multiple function of blackboard again in one.Blackboard brush is the sponge manufacturing, and chalk dust can not be bonded on the bristle in a large number; Relatively simple for structure, very easy to use, also more suitable.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

The specific embodiment

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

As shown in Figure 1, a kind of multi-functional blackboard brush of the utility model, comprise by the brush box of holding 1, bristle 2 and laser torch 3 and forming, in the described brush box 1 laser torch 3 is housed, the light hole 1a that these laser torch 3 head shot-lights are opened over against brush box 1 one sides, laser torch 3 is near brush box 1 unthreaded hole 1a one side of leaving, and shot-light is positioned at light hole 1a.The shift knob 3a of described laser torch 3 sides stretches out brush box 1 end face.Described bristle 2 materials are cavernous body.Described brush box 1 end face is provided with magnetic clasp 4.

Claims (3)

1, a kind of multi-functional blackboard brush, comprise brush box (1), the bristle (2) held, it is characterized in that: laser torch (3) is housed in the described brush box (1), the light hole (1a) that this laser torch (3) head shot-light is opened over against brush box (1) one side, the shift knob (3a) of described laser torch (3) side stretches out brush box (1) end face.

2, according to the described multi-functional blackboard brush of claim 1, it is characterized in that: described bristle (2) material is a cavernous body.

3, according to claim 1 or 2 described multi-functional blackboard brushes, it is characterized in that: described brush box (1) end face is provided with magnetic clasp (4).

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