CN205112785U - Teaching is with inhaling grey chalkboard eraser - Google Patents

Abstract

The utility model provides a teaching is with inhaling grey chalkboard eraser, the dust of having solved chalk among the prior art causes the problem of harm to faculty or study personnel, the package rubbing board body portion of gripping and supporting part, the supporting part comprises the first side wall, second lateral wall, third lateral wall and fourth lateral wall, is provided with the dust manhole on the fourth lateral wall, wipe layer sets up on the supporting part, be used for preventing the cover body that the dust leaked, set up at the supporting part movablely, dust extraction sets up on the supporting part to arrange in the space of the first side wall, second lateral wall, third lateral wall and fourth lateral wall constitution, the utility model provides a teaching is with inhaling grey chalkboard eraser can avoid flying upward of dust at the in -process that the blackboard was cleaned, and then can not make faculty or study personnel appear the respiratory disease scheduling problem for a long time in this environment.

Description

Grey chalkboard eraser is inhaled in a kind of teaching

Technical field

The utility model relates to teaching aid field, refers to that grey chalkboard eraser is inhaled in a kind of teaching especially.

Background technology

In the teaching of prior art, blackboard is knowledge delivery instrument the most common, and faculty is write or picture on blackboard by chalk, to conduct to the people of study by knowledge point or other by the mode that blackboard is shown;

In prior art, when carrying out writing on blackboard or after picture, need the cleaning carrying out blackboard, carry out writing or picture of new content again, and blackboard writing adopt be chalk, carrying out the generation that can be attended by dust in the process of clearing up, under being in this environment for a long time, very large infringement can caused to the respiratory tract etc. of faculty or study personnel.

Utility model content

The utility model proposes a kind of teaching and inhale grey chalkboard eraser, solve the dust of chalk in prior art to faculty or the hurtful problem of study personnel.

The technical solution of the utility model is achieved in that

Grey chalkboard eraser is inhaled in a kind of teaching, comprising:

For the plate body that wiper grips, comprise grip part and support portion, support portion is made up of the first side wall, the second sidewall, the 3rd sidewall and the 4th sidewall, and the 4th sidewall is provided with dust access aperture;

For by blackboard is write or picture content erasing cleaning layer, be arranged on support portion;

The cover body leaked for preventing dust, is arranged on support portion actively;

For the dust exhaust apparatus of dust absorbing that will wipe out, be arranged on support portion, and be placed in the space of the first side wall, the second sidewall, the 3rd sidewall and the 4th sidewall composition.

As further technical scheme, cover body comprises:

Curved layer, is flexibly connected with support portion;

First side layer and the second side layer, be separately positioned on curved layer both sides.

As further technical scheme, grip part comprises:

Housing, is arranged on support portion;

Storage powder box, is arranged in housing.

As further technical scheme, dust exhaust apparatus comprises:

For generation of the dust suction body of suction, be arranged on supporter;

For some cleaner head that the dust wiped is collected by suction, be connected with dust suction body, and be communicated with storage powder box.

As further technical scheme, also comprise: expansion connecting portion, is arranged on support portion, and is connected with extension bar.

Technical solutions of the utility model by cleaning layer by blackboard by the content wiping of chalk-writing or picture, and dust recycling is prevented by cover body in the process of wiping, and under the effect of dust exhaust apparatus, make dust accumulation in the space that the first side wall, the second sidewall, the 3rd sidewall and the 4th sidewall form, and by dust exhaust apparatus by dust absorbing, and then realize avoiding flying upward of dust in the process of blackboard-cleaning, and then faculty or study personnel can not be made to be in secondary environment for a long time occur the problems such as respiratory tract.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of structural representation used and inhale a grey chalkboard eraser embodiment of imparting knowledge to students of the utility model;

The sectional structure schematic diagram of Fig. 2 Fig. 1;

Fig. 3 is after right view 1, and the structural scheme of mechanism of grey chalkboard eraser is inhaled in teaching;

Fig. 4 is a kind of structural representation used and inhale grey another embodiment of chalkboard eraser of imparting knowledge to students of the utility model;

Fig. 5 is a kind of structural representation used and inhale grey another embodiment of chalkboard eraser of imparting knowledge to students of the utility model.

In figure:

1, plate body; 11, grip part; 111, housing; 112, powder box is stored up; 12, support portion; 121, the second sidewall; 122, the 3rd sidewall; 123, the 4th sidewall; 124, dust access aperture; 2, cover body; 3, dust exhaust apparatus; 31, dust suction body; 32, cleaner head; 4, connecting portion is expanded; 5, cleaning layer.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

As Figure 1-5, grey chalkboard eraser is inhaled in the one teaching that the utility model proposes, and comprising:

Plate body 1, comprise grip part 11 and support portion 12, this grip part 11 is arranged on support portion 12, this support portion 12 comprises the first side wall, the second sidewall 121, the 3rd sidewall 122 and the 4th sidewall 123, support portion 12 is formed by the first side wall, the second sidewall 121, the 3rd sidewall 122 and the 4th sidewall 123, and this inside, support portion 12 forms a space, the 4th sidewall 123 is provided with dust access aperture 124, makes the dust wiped out enter by dust access aperture 124; Wherein,

Grip part 11 comprises housing 111 and storage powder box 112, and this housing 111 is arranged on support portion 12; This storage powder box 112 is arranged in housing 111, in the process of wiping, operator grips housing 111, bear the power that operator applies, in the process of collecting, dust is collected in storage powder box 112, after after collection, storage powder box 112 fills with, can by housing 111 be opened, after being poured out by dust in storage powder box 112, close housing 111, continue to use;

Cleaning layer 5 is arranged on support portion 12, concrete is separately positioned on the first side wall, the second sidewall 121, the 3rd sidewall 122 and the 4th sidewall 123 one end, like this when carrying out wiping to blackboard, wiping can be carried out by being arranged on cleaning layer 5 on the first side wall, the second sidewall 121, the 3rd sidewall 122 and the 4th sidewall 123 simultaneously;

Cover body 2 is arranged on support portion 12, when carrying out wiping by cleaning layer 5 pairs of blackboards, prevents dust from flying by cover body 2, and then dust can be avoided to fly in environment for use; Wherein,

Cover body 2 comprises makes curved layer, the first side layer and the second side layer, and this curved layer is flexibly connected with support portion 12; First side layer and the second side layer are separately positioned on curved layer both sides, by the cooperation of curved layer, the first side layer and the second side layer, realize preventing dust dust in the process of wiping, reduce dust and enter environment for use;

As Fig. 4, in the utility model, cover body 2 can also be oval, is arranged on support portion 12 outer surface like this, further increases the pretective acreage of cover body 2, improves the intensity of protection;

Dust exhaust apparatus 3 is arranged on support portion 12, and be placed in the space of the first side wall, the second sidewall 121, the 3rd sidewall 122 and the 4th sidewall 123 composition, make when carrying out wiping, under the effect of dust exhaust apparatus 3, the dust wiped by cleaning layer 5 enters in the space that the first side wall, the second sidewall 121, the 3rd sidewall 122 and the 4th sidewall 123 form by dust access aperture 124 under the effect of dust exhaust apparatus 3, and then by dust exhaust apparatus 3 by dust absorbing, and the dust of absorption is placed in grip part 11; Wherein,

Dust exhaust apparatus 3 comprises: dust suction body 31 and some cleaner head 32, and this dust suction body 31 is arranged on support portion 12; This some cleaner head 32 is connected with dust suction body 31, and is communicated with storage powder box 112; Suction is produced by dust suction body 31 in the process used, air suction process is carried out by the space of some cleaner head 32 pairs of the first side walls, the second sidewall 121, the 3rd sidewall 122 and the 4th sidewall 123 composition, now be in the blackboard-cleaning stage, dust can enter into space by dust access aperture 124, and when dust enters into space, by the effect of some cleaner head 32 by dust collection, and the dust of collection is drawn into grip part 11, is namely drawn in storage powder box 112;

Can be carried out the power supply of dust exhaust apparatus 3 in certain the utility model by the mode of external power supply, battery powered mode also can be adopted to power to dust exhaust apparatus 3, and specifically determine according to actual service condition, the utility model is not limiting;

By technique scheme, the collection of dust can be carried out in the process of blackboard-cleaning, this avoid flying upward of in the process of blackboard-cleaning dust, and then faculty or study personnel can not be made to be in for a long time in this environment occur the problems such as respiratory tract.

As shown in Figure 5, for better operating, in the utility model, also comprise expansion connecting portion 4, this extension is arranged on support portion 12, and is connected with extension bar, when such blackboard is in eminence, extension bar can be connected with connecting portion, by the operation to bracing piece, realize the wiping to blackboard.

These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. a grey chalkboard eraser is inhaled in teaching, it is characterized in that, comprising:

For the plate body (1) that wiper grips, comprise grip part (11) and support portion (12), described support portion (12) comprising: the first side wall, the second sidewall (121), the 3rd sidewall (122) and the 4th sidewall (123), and described 4th sidewall (123) is provided with dust access aperture (124);

For by blackboard is write or picture content erasing cleaning layer (5), be arranged on described support portion (12);

The cover body (2) leaked for preventing dust, is arranged on described support portion (12) actively;

For the dust exhaust apparatus (3) of dust absorbing that will wipe out, be arranged on described support portion (12), and be placed in space that described the first side wall, described second sidewall (121), described 3rd sidewall (122) and described 4th sidewall (123) form.

2. grey chalkboard eraser is inhaled in teaching as claimed in claim 1, and it is characterized in that, described cover body (2) comprising:

Curved layer, is flexibly connected with described support portion (12);

First side layer and the second side layer, be separately positioned on described curved layer both sides.

3. grey chalkboard eraser is inhaled in teaching as claimed in claim 1, and it is characterized in that, described grip part (11) comprising:

Housing (111), is arranged on described support portion (12);

Storage powder box (112), is arranged in described housing (111).

4. grey chalkboard eraser is inhaled in teaching as claimed in claim 3, and it is characterized in that, described dust exhaust apparatus (3) comprising:

For generation of the dust suction body (31) of suction, be arranged on described support portion (12);

For some cleaner head (32) that the dust wiped is collected by suction, be connected with described dust suction body (31), and be communicated with described storage powder box (112).

5. grey chalkboard eraser is inhaled in teaching as claimed in claim 1, it is characterized in that, also comprises:

Expansion connecting portion (4), is arranged on described support portion (12), and is connected with extension bar.