CN209580963U - A kind of blackboard eraser - Google Patents

Abstract

The utility model provides a kind of blackboard eraser, including fuselage, buckle and grenadine cloth air bag, the fuselage is hollow " rectangle " shape of right openings, the fuselage interior, which is bolted, is equipped with frame, the frame is in " rectangle " shape of front openings, the lower portion is closely fitted with cavernous body, side, which is bolted, in the frame back side is equipped with powder inlet groove, the powder inlet groove is hollow " rectangle " shape of left side opening, side, which is bolted, in the powder inlet groove inside is equipped with suction ventilator, the suction ventilator side, which is bolted, is equipped with battery, it is bolted on the left of the powder inlet groove and powder absorbing pipe is installed, the powder absorbing pipe is in alphabetical inverted " L " shape, and powder absorbing pipe bottom inner portion is fixedly installed with card slot；Blackboard eraser dust from flying during teacher or student wipe blackboard is avoided, the case where intrapulmonary causes damages to body is sucked.

Description

A kind of blackboard eraser

Technical field

The utility model belongs to teaching aid technical field more particularly to a kind of blackboard eraser.

Background technique

Blackboard eraser is one of common tool in teaching, and school or enterprise are usually needed when using black board teaching or record The trace on blackboard is wiped by blackboard eraser to write again to realize.

Application No. is the Chinese utility model patents of CN201711466306.6 to provide a kind of classroom special efficient self-priming Dirt formula blackboard eraser, including C glyph framework and hand holding handle, C glyph framework is interior to be equipped with blackboard eraser frame, the side table of blackboard eraser frame Face is equipped with carbon fiber friction pad, and the inside of blackboard eraser frame is equipped with fur dust collection mechanism, and the right end of fur dust collection mechanism is equipped with axis Fan mechanism is taken turns, axis wheel fan mechanism includes rotating jack-post, the air draft fan leaf being mounted on rotation jack-post and being mounted on rotation axis The rolling pulley at column both ends, rotation jack-post pass through blackboard eraser frame and C glyph framework, are fixed at the both ends of rotation jack-post Driving shaft wheel, fur dust collection mechanism include follower lever, banister brush and driven shaft wheel, and the both ends of follower lever are mounted on black by bearing In the convex cavity column of blackboard eraser frame, driven shaft wheel is connect by transmission belt with driving shaft wheel, simple and compact for structure, uses peace Entirely, health environment-friendly, pick-up performance is good, easy to use flexible, improves the service efficiency of blackboard eraser.

Application No. is the Chinese utility model patent of CN201611185585.4 disclose it is a kind of can be with the black of automatic dust removing Blackboard eraser, mainly by water tank, water pipe, back box, blackboard eraser body and blow-dry device, the fixed blackboard eraser body in the top of back box, blackboard The fixed blow-dry device in top of ontology is wiped, one end of water pipe connects water tank, and the other end passes through back box and enters in blackboard eraser body, bottom At least one sliding bar is inserted into box side, and the other end of sliding bar stretches out back box and is detachably connected dust-collecting box, dust-collecting box by When the power in spring direction is mobile, the front end face of dust-collecting box is flushed with blackboard eraser body surface；The side of blackboard eraser body is equipped with more A spray head, blackboard eraser body are equipped with spray head side and are removably connected with sponge wiper；Blackboard eraser body further includes cleaning plant, clearly Managing device includes support rod, connecting rod and brush.Raising when reducing wiping with drying function by spraying water in the utility model Dirt problem, and blackboard eraser surface is cleared up, centralized collection dust guarantees teachers and students' health.

Based on above-mentioned, the utility model people discovery, application No. is CN201711466306.6 and application No. is The middle powder in teacher or student's wiping process of blackboard writing provided by the Chinese utility model patent of CN201611185585.4 Dirt is flown upward, sucking intrapulmonary the case where causing damages to body, and the powder generated in existing blackboard eraser wiping process fall in it is black The problem of leading to waste of resource in the following slot of plate and on dais, and polluting indoor environment；

It needs arm to move in turn during existing blackboard-cleaning back and forth and increases air flowing, so that the diffusion that dust floats It is farther, pollute environment the problem of.

Then, in view of this, being studied improvement for existing structure and missing, a kind of blackboard eraser is provided, to reach To the purpose with more more practical value.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of blackboard eraser, to solve existing unshielded device Problem.

The purpose and effect of the utility model blackboard eraser, are reached by technological means in detail below:

A kind of blackboard eraser, including fuselage, frame, cavernous body, powder inlet groove, micropore, control switch, suction ventilator, battery, suction Tube cell, card slot, insertion pipe, hinge, ash-collecting cover, buckle and grenadine cloth air bag, the fuselage are hollow " rectangle " of right openings Shape, the fuselage interior, which is bolted, is equipped with frame, and the frame is in " rectangle " shape of front openings, in the frame Portion is closely fitted with cavernous body, and side, which is bolted, in the frame back side is equipped with powder inlet groove, and the powder inlet groove is left side Hollow " rectangle " shape of opening, side, which is bolted, in the powder inlet groove inside is equipped with suction ventilator, the suction ventilator side It is bolted and battery is installed, be bolted on the left of the powder inlet groove and powder absorbing pipe is installed, the powder absorbing pipe is in Alphabetical inverted " L " shape, and powder absorbing pipe bottom inner portion is fixedly installed with card slot, and insertion pipe is fixedly installed with inside the card slot, it is described Insertion pipe one end is fixedly installed with grenadine cloth air bag, and grenadine cloth air bag is located inside ash-collecting cover, logical on the left of the frame bottom end It crosses bolt and is fixedly installed with hinge, and hinge one end is bolted and is equipped with ash-collecting cover, it is logical on the right side of the ash-collecting cover top It crosses bolt and is fixedly installed with buckle, the equal aperture of powder inlet groove surrounding is provided with several micropores, and top is logical on the right side of the fuselage It crosses bolt and is fixedly installed with control switch.

Further, the frame mutually agrees with cavernous body, and cavernous body is slightly above one centimetre of frame.

Further, the battery is electrically connect between control switch and suction ventilator respectively, and control switch The signal receiving end of signal output end and suction ventilator is connected in signal.

Further, connection is threadably secured between the card slot and insertion pipe.

Further, diameter is one millimeter at the pore openings, and micropore is uniformly arranged on powder inlet groove in linear type Column.

Further, the frame and the equal spacing of fuselage upper and lower ends are three millimeters, and frame left and fuselage right side Between spacing be three millimeters.

Compared with prior art, the utility model has the following beneficial effects:

1. by card slot and be embedded in pipe setting, be conducive to by powder collect it is intracapsular in grenadine gas distribution, and easy to clean replace, Reduce the dust floated in air, reduces the injury to teacher or front-seat student, the hygienic conditions in classroom is made to obtain very big mention Height, so as to avoid blackboard eraser, dust from flying, sucking intrapulmonary cause damages to body during teacher or student wipe blackboard The case where.

2. by the setting of micropore, can by suction ventilator by teacher or student wipe the dust generated during blackboard from Micropore sucks in powder absorbing pipe, saves to grenadine cloth air bag, regeneration chalk can be made, and re-uses, so reducing chalk Waste, so that solving the powder generated in existing blackboard eraser wiping process and falling in the following slot of blackboard and on dais causes Waste of resource, and the problem of pollution indoor environment.

3. can be slided up and down during teacher or student wipe blackboard by passing through suction ventilator by frame and fuselage Erasing out handwriting is absorbed, fugitive dust is not easy, is considerably reduced the dust generated when erasing the board in this way, to the health of academics and students It is very helpful, so that needing arm to move in turn during solving existing blackboard-cleaning back and forth increases air flowing, make The problem of obtaining the farther of the diffusion that dust floats, polluting environment.

Detailed description of the invention

Fig. 1 is the utility model structure diagram；

Fig. 2 is the utility model fuselage sectional front view；

Fig. 3 is the utility model fuselage sections front view；

Fig. 4 is partial structure diagram at the A of the utility model Fig. 2；

Fig. 5 is partial structure diagram at the B of the utility model Fig. 3.

In figure: 1- fuselage, 2- frame, 201- cavernous body, 202- powder inlet groove, 2021- micropore, 3- control switch, 203- inhale Blower, 2031- battery, 204- powder absorbing pipe, 2041- card slot, 2042- insertion pipe, 101- hinge, 102- ash-collecting cover, 103- card Button, 104- grenadine cloth air bag.

Specific embodiment

The utility model is described further below in conjunction with attached drawing:

Embodiment:

As shown in attached drawing 1 to attached drawing 5:

The utility model provides a kind of blackboard eraser, including fuselage 1, frame 2, cavernous body 201, powder inlet groove 202, micropore 2021, control switch 3, suction ventilator 203, battery 2031, powder absorbing pipe 204, card slot 2041, insertion pipe 2042, hinge 101, collection Ash cover 102, buckle 103 and grenadine cloth air bag 104, fuselage 1 are hollow " rectangle " shape of right openings, pass through spiral shell inside fuselage 1 Bolt is fixedly installed with frame 2, and frame 2 is in " rectangle " shape of front openings, and 2 inner tight of frame is fitted with cavernous body 201, frame 2 sides in the back side, which are bolted, is equipped with powder inlet groove 202, and powder inlet groove 202 is hollow " rectangle " shape of left side opening, powder inlet groove 202 sides in inside, which are bolted, is equipped with suction ventilator 203, and 203 side of suction ventilator, which is bolted, is equipped with battery 2031, it is bolted on the left of powder inlet groove 202 and powder absorbing pipe 204 is installed, powder absorbing pipe 204 is in alphabetical inverted " L " shape, and powder absorbing pipe 204 bottom inner portions are fixedly installed with card slot 2041, and insertion pipe 2042 is fixedly installed with inside card slot 2041, is embedded in pipe 2,042 1 End is fixedly installed with grenadine cloth air bag 104, and grenadine cloth air bag 104 is located inside ash-collecting cover 102, passes through on the left of 2 bottom end of frame Bolt is fixedly installed with hinge 101, and 101 one end of hinge is bolted and is equipped with ash-collecting cover 102,102 top of ash-collecting cover Right side, which is bolted, is equipped with buckle 103, and the equal aperture of 202 surrounding of powder inlet groove is provided with several micropores 2021, and fuselage 1 is right Side top, which is bolted, is equipped with control switch 3.

Wherein, frame 2 mutually agrees with cavernous body 201, and cavernous body 201 is slightly above 2 one centimetres of frame, passes through sponge Body 201 wipes the writing on blackboard.

Wherein, battery 2031 is electrically connect between control switch 3 and suction ventilator 203 respectively, and control switch 3 Signal output end is connect with the signal receiving end of suction ventilator 203 in signal, starts suction ventilator 203, battery by control switch 3 2031 provide required electric energy for control switch 3 and suction ventilator 203.

Wherein, it is threadably secured connection between card slot 2041 and insertion pipe 2042, is managed by card slot 2041 and insertion 2042 setting is conducive to collect powder in grenadine cloth air bag 104, and easy to clean is replaced, and the powder floated in air is reduced Dirt reduces the injury to teacher or front-seat student, the hygienic conditions in classroom is made to be greatly improved.

Wherein, 2021 opening diameter of micropore is one millimeter, and micropore 2021 is equal in linear type on powder inlet groove 202 Teacher or student can be wiped the powder generated during blackboard by suction ventilator 203 by the setting of micropore 2021 by even arrangement Dirt sucks in powder absorbing pipe 204 from micropore 2021, saves to grenadine cloth air bag 104, regeneration chalk can be made, and re-uses, institute To reduce the waste of chalk.

Wherein, frame 2 and the equal spacing of 1 upper and lower ends of fuselage are three millimeters, and between 2 left side of frame and 1 right side of fuselage between Away from being three millimeters, can be slided up and down during teacher or student wipe blackboard by passing through air draught by frame 2 and fuselage 1 Machine 203 absorbs erasing out handwriting, is not easy fugitive dust, is considerably reduced the dust generated when erasing the board in this way, to academics and students Health it is very helpful.

The specifically used mode and effect of the present embodiment:

The writing on blackboard is wiped by cavernous body 201 first, then control switch 3 starts suction ventilator 203, battery 2031 provide required electric energy for control switch 3 and suction ventilator 203, and the high strong wind that suction ventilator 203 generates will be by teacher or The dust generated during raw wiping blackboard sucks in powder absorbing pipe 204 from micropore 2021, saves to grenadine cloth air bag 104, can be with Regeneration chalk is made, re-uses, and is three millimeters by frame 2 and the equal spacing of 1 upper and lower ends of fuselage, and 2 left side of frame Spacing is three millimeters between 1 right side of fuselage, can be slided up and down during teacher or student wipe blackboard by logical Suction ventilator 203 is crossed to absorb erasing out handwriting, fugitive dust is not easy, is considerably reduced the dust generated when erasing the board in this way.Utilize this Technical solution or those skilled in the art described in utility model design class under the inspiration of technical solutions of the utility model As technical solution, and reach above-mentioned technical effect, be to fall into the protection scope of the utility model.

Claims (6)

1. a kind of blackboard eraser, it is characterised in that: the blackboard eraser includes fuselage (1), frame (2), cavernous body (201), powder inlet groove (202), micropore (2021), control switch (3), suction ventilator (203), battery (2031), powder absorbing pipe (204), card slot (2041), Insertion pipe (2042), hinge (101), ash-collecting cover (102), buckle (103) and grenadine cloth air bag (104), the fuselage (1) are the right side Hollow " rectangle " shape of side opening, internal be bolted of the fuselage (1) are equipped with frame (2), and the frame (2) is in just " rectangle " shape of face opening, frame (2) inner tight are fitted with cavernous body (201), and side passes through in frame (2) back side Bolt is fixedly installed with powder inlet groove (202), and the powder inlet groove (202) is hollow " rectangle " shape of left side opening, the powder inlet groove (202) side is bolted and is equipped with suction ventilator (203) in inside, and suction ventilator (203) side is bolted peace Equipped with battery (2031), it is bolted on the left of the powder inlet groove (202) and powder absorbing pipe (204), the powder absorbing pipe is installed (204) in alphabetical inverted " L " shape, and powder absorbing pipe (204) bottom inner portion is fixedly installed with card slot (2041), in the card slot (2041) Portion is fixedly installed with insertion pipe (2042), and the insertion pipe (2042) one end is fixedly installed with grenadine cloth air bag (104), and grenadine Cloth air bag (104) is located at ash-collecting cover (102) inside, is bolted on the left of frame (2) bottom end and is equipped with hinge (101), and hinge (101) one end is bolted and is equipped with ash-collecting cover (102), logical on the right side of ash-collecting cover (102) top It crosses bolt to be fixedly installed with buckle (103), the equal aperture of powder inlet groove (202) surrounding is provided with several micropores (2021), institute It states top on the right side of fuselage (1) and is bolted and control switch (3) are installed.

2. blackboard eraser as described in claim 1, it is characterised in that: the frame (2) is mutually agreed with cavernous body (201), and sea Continuous body (201) is slightly above (2) one centimetres of frame.

3. blackboard eraser as described in claim 1, it is characterised in that: the battery (2031) respectively with control switch (3) and inhale Blower electrically connects between (203), and the signal output end of control switch (3) and the signal receiving end of suction ventilator (203) are in Signal connection.

4. blackboard eraser as claimed in claim 1 or 3, it is characterised in that: lead between the card slot (2041) and insertion pipe (2042) Cross the connection that is screwed.

5. blackboard eraser as described in claim 1, it is characterised in that: micropore (2021) the opening diameter is one millimeter, and micro- Hole (2021) is evenly distributed in linear type on powder inlet groove (202).

6. blackboard eraser as described in claim 1, it is characterised in that: the frame (2) is three with the equal spacing of fuselage (1) upper and lower ends Millimeter, and spacing is three millimeters between fuselage (1) right side on the left of frame (2).