CN206953858U

CN206953858U - Dust-proof blackboard eraser

Info

Publication number: CN206953858U
Application number: CN201720391365.0U
Authority: CN
Inventors: 赵茁旭; 赵茁同
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-14
Filing date: 2017-04-14
Publication date: 2018-02-02
Anticipated expiration: 2027-04-14

Abstract

The utility model discloses a kind of dust-proof blackboard eraser, there is bottom plate, bottom plate bottom surface is fixed with grip part, substrate is provided with erasing body, the edge of substrate is surrounded by ash collection slot around erasing body, ash collection slot has suitable for reading, height of the above-mentioned edge suitable for reading not less than erasing body surface face, ash collection slot is along the outside bulging of peripheral direction suitable for reading, form a slotted cavities, grip part is held during use makes blackboard eraser do reciprocating friction motion on blackboard, a large amount of dust be scratched from blackboard after due to wipe body quick motion, dispersed from erasing body, immediately by the barrier suitable for reading of ash collection slot, fallen into along suitable for reading in ash collection slot, prevent dust from dispersing.

Description

Dust-proof blackboard eraser

Technical field

It the utility model is related to a kind of teaching aid, and in particular to blackboard eraser.

Background technology

Blackboard eraser is teaching aid essential in daily teaching, and blackboard eraser is by bottom plate and the erasing body for being fixed on bottom plate bottom surface Form, hand-held bottom plate makes the continuous erasing on blackboard of erasing body during use, and chalk dust is adsorbed on erasing body by erasing, so as to clear Remove the chalk writing on blackboard.

The material of this bottom plate is made up of composites such as ABS, PVC more, and erasing body is made up of sponge or felt, uses When, adsorb the dust on erasing body and disperse out from erasing body in continuous erasing action, floating is in atmosphere, right The body of academics and students causes very big harm.

Utility model content

The technical problems to be solved in the utility model, which is to provide, a kind of can keep away the chalk ash collection on erasing body Exempt from dust to disperse, dust-proof blackboard eraser simple in construction.

In order to solve the above technical problems, a kind of dust-proof blackboard eraser of dust-proof blackboard eraser of the present utility model, there is bottom plate, bottom plate Bottom surface is fixed with grip part, and substrate is provided with erasing body, it is characterised in that：Surrounding of the edge of substrate around erasing body Provided with ash collection slot, ash collection slot has suitable for reading, and erasing body is positioned at upper intraoral, height of the above-mentioned height suitable for reading not less than erasing body surface face Degree, ash collection slot form a slotted cavities along the outside bulging of peripheral direction suitable for reading.

Using the dust-proof blackboard eraser of said structure, hand-held grip part makes dust-proof blackboard eraser do on blackboard back and forth to rub during use Wipe motion, a large amount of dust be scratched from blackboard after due to wipe body quick motion, from erasing body on disperse, immediately By the barrier suitable for reading of ash collection slot, fallen into along suitable for reading in ash collection slot, prevent dust from dispersing, when the full dust of ash collection slot inner product, by powder Dirt is toppled over away can and is continuing with from the suitable for reading of ash collection slot.

As improvement of the present utility model, erasing body can be made split type, i.e., one layer of increase can on erasing body surface face With the wiper of replacing, wiper is fixed on erasing body surface face with adhesive tape.

, can be with the case where needing the letter written with chalk wiped more using the dust-proof blackboard eraser of this split type erasing body The more wiper of absorption chalk dust is removed in use, and the wiper for changing another piece of cleaning continues to erase the board, used wiper Can be with Reusability after being dried by washing.

As another improvement of the present utility model, bottom plate and erasing body can make circle, available for of different shapes Blackboard.

As further improvement of the utility model, volume edge can be provided with edge suitable for reading, to reduce suitable for reading and blackboard The noise of friction.

Above-mentioned bottom plate and erasing body are made of clear material, and material is made of ABS, PVC, PP a kind of material therein.

The utility model scope claimed is not limited to the scheme that embodiment is enumerated, every to be set on bottom plate There is ash collection slot, and surrounding, the height suitable for reading suitable for reading positioned at erasing body of above-mentioned ash collection slot is high not less than the upper surface of erasing body Degree, no matter which kind of shape is the profile of blackboard eraser be, belong to the utility model scope claimed.

This dust-proof blackboard eraser is simple in construction, and cost is low, and using effect is good.

Brief description of the drawings

The utility model is described in further detail below in conjunction with the accompanying drawings.

Fig. 1 is that dust-proof blackboard eraser of the present utility model is shaped as square top view；

Fig. 2 is that dust-proof blackboard eraser of the present utility model is shaped as square upward view；

Fig. 3 is that dust-proof blackboard eraser of the present utility model is shaped as square front sectional view；

Fig. 4 is the top view that dust-proof blackboard eraser of the present utility model is shaped as circle.

Embodiment

Referring to Fig. 1, Fig. 2, dust-proof blackboard eraser of the present utility model has bottom plate 10, and the bottom surface of bottom plate 10 is fixed with grip part 30, Bottom plate 10 is provided with above wipes body 20, and the edge above bottom plate 10 is surrounded by ash collection slot 11, ash collection slot around erasing body 20 11 have suitable for reading 12, and erasing body 20 is in suitable for reading 12, and above-mentioned suitable for reading 12 height is not less than the height in erasing body surface face, ash collection slot 11 along suitable for reading 12 the outside bulging of peripheral direction, form a slotted cavities, one layer of increase can be more on erasing body 20 surface The wiper 21 changed, wiper adhesive tape 22 are fixed on erasing body surface face.

Referring back to Fig. 3, volume is also provided with suitable for reading 12 edge along 13.

In Fig. 4, the shape of dust-proof blackboard eraser of the present utility model is circular.

Claims

1. a kind of dust-proof blackboard eraser, there is bottom plate（10）, bottom plate（10）Bottom surface is fixed with grip part（30）, bottom plate（10）It is provided with above Wipe body（20）, it is characterised in that：Bottom plate（10）Edge above is around erasing body（20）Be surrounded by ash collection slot（11）, collection Ash-pit（11）Have suitable for reading（12）, wipe body（20）Positioned at suitable for reading（12）It is interior, it is above-mentioned suitable for reading（12）Height not less than erasing body surface The height in face, ash collection slot（11）Along suitable for reading（12）The outside bulging of peripheral direction, formed a slotted cavities.

2. according to the dust-proof blackboard eraser described in claim 1, it is characterised in that：Described erasing body（20）Surface be connected with wiper （21）, wiper（21）Use sticky cloth（22）It is fixed on erasing body.

3. according to the dust-proof blackboard eraser described in claim 1 or 2, it is characterised in that：The shape of described blackboard eraser is rectangle.

4. according to the dust-proof blackboard eraser described in claim 1 or 2, it is characterised in that：The shape of described blackboard eraser is circular.

5. according to the dust-proof blackboard eraser described in claim 1, it is characterised in that：Above-mentioned bottom plate（10）It is to be made of clear material.

6. according to the dust-proof blackboard eraser described in claim 1, it is characterised in that：Above-mentioned bottom plate（10）Material be ABS, PVC, PP One of which material is made.

7. according to the dust-proof blackboard eraser described in claim 1 or 2, it is characterised in that：It is suitable for reading（12）Edge have volume edge（13）.