CN108859528A - A kind of strength dust-proof blackboard eraser - Google Patents

Abstract

The invention discloses a kind of strength dust-proof blackboard erasers, including active charcoal bag, reset spring and shell, upright bar is installed above the shell, it is socketed with reset spring on the outside of the upright bar, arc panel is installed above the reset spring, is bonded with active charcoal bag on the inside of the arc panel, the top of the arc panel is equipped with upper cover by connecting rod, the two sides of the upper cover are provided with sliding slot, and U-shaped frame is equipped on the inside of the sliding slot, and the bottom end of the U-shaped frame is equipped with scraper plate.The present invention solves the problems, such as not can avoid dust from flying when blackboard eraser erases the board and the subsequent cleaning dust harzard of blackboard eraser is larger by setting upright bar, reset spring, arc panel, active charcoal bag, upper cover, shell, felt, scraper plate, heating sheet, cleaning solution, air freshener structure.

Description

A kind of strength dust-proof blackboard eraser

Technical field

The present invention relates to blackboard eraser technical field, specially a kind of strength dust-proof blackboard eraser.

Background technique

It is well known that environmental improvement engineering is that China is attach great importance to instantly one long-term and difficult task.Really, people For health awareness also more and more improve.In our studying and living, the dust pollution of wiping blackboard generation Be it is relatively serious, pole does not meet dust and injures the principle minimized to people, it is directly concerning our children and religion The physical and mental health of teacher, concerning each of us respiratory tract and the health of lung, this is why children and teacher crowd The more main reason of pharyngitis.Although the Rich medias teaching equipments such as current intelligent whiteboard largely come across classroom Teaching, but traditional instruction still appears on classroom as a kind of indispensable teaching pattern, is teachers' instruction most original It is most effective Teaching.However common, traditional blackboard eraser wipes inefficiency, tends not to complete to wipe well Net task, it is cumbersome and time consuming, it but can not receive good effect, and a large amount of chalk dusts can be generated in wiping, dust flies Raising all is fullly, and chalk dust brings very big harm to the body of student and teacher.The present invention is specially that a kind of strength is dust-proof Blackboard eraser.

But there are deficiencies below for existing technology：

1, when being erased the board with ordinary blackboard eraser, the chalk dust on blackboard is cleared away, and chalk dust output channel useless is squeezed The both sides of blackboard eraser, movement when erasing the board with us drives air flowing to fly upward everywhere, then due to not having storage space And can only fall under gravity on the ground, dust from flying completely is all that chalk dust brings the body of student and teacher Very big harm；

2, after wiping blackboard, a large amount of chalk dust needs to clear up blackboard eraser, and it is existing be all patted on windowsill side it is black Blackboard eraser leads to a large amount of dust from flying, harmful to the health of student and teacher, so needing a kind of more convenient cleaning Mode, it is ensured that the pure and fresh degree of air.

Summary of the invention

(1) the technical issues of solving

In view of the deficiencies of the prior art, it the present invention provides a kind of strength dust-proof blackboard eraser, solves and not can avoid blackboard The larger problem of the subsequent cleaning dust harzard of dust from flying and blackboard eraser when erasing the board.

(2) technical solution

To achieve the above object, the present invention provides the following technical solutions：A kind of strength dust-proof blackboard eraser, including active carbon Packet, reset spring and shell are equipped with upright bar above the shell, reset spring are socketed on the outside of the upright bar, described Arc panel is installed above reset spring, active charcoal bag is bonded on the inside of the arc panel, the top of the arc panel is logical It crosses connecting rod and upper cover is installed, the two sides of the upper cover are provided with sliding slot, and U-shaped frame, the U-shaped frame are equipped on the inside of the sliding slot Bottom end scraper plate is installed.

Preferably, the active charcoal bag and arc panel are equipped with four groups altogether, are distributed in the surrounding of shell, the arc panel Top is welded and fixed by connecting rod and upper cover.

Preferably, the bottom of the shell is equipped with heating sheet, and the outer casing bottom below the heating sheet is equipped with felt.

Preferably, the shell is internally provided with reservoir, and the internal reservoir of the reservoir has cleaning solution, the storage Control switch is installed, the bottom of the reservoir is connect by perfusion tube with felt, the table of the perfusion tube above liquid bath Face is equipped with solenoid valve, and the output end of the control switch is connect with solenoid valve and heating sheet.

Preferably, the interior of shell of the reservoir side is provided with mounting groove, and the inside of the mounting groove is equipped with electricity Pond is equipped with battery cover above the mounting groove, and the output end of the battery is connect with solenoid valve and heating sheet.

Preferably, the interior of shell of the mounting groove side is provided with storage chamber, and the internal storage of the storage chamber is free Gas freshener is equipped with knob above the storage chamber.

(3) beneficial effect

The present invention provides a kind of strength dust-proof blackboard erasers, have following beneficial effect：

(1) present invention makes this hair by setting upright bar, reset spring, arc panel, active charcoal bag, upper cover, shell, felt It is bright that flying upward for chalk dust can be maximumlly reduced when erasing the board, the infection of student and teacher's respiratory tract are avoided, and then protect The health of teachers and students, thus the problem of effective solution not can avoid dust from flying when blackboard eraser erases the board, with common When blackboard eraser erases the board, the chalk dust on blackboard is cleared away, and chalk dust output channel useless is squeezed on the both sides of blackboard eraser, with Movement when we erase the board drives air flowing to fly upward everywhere, then due to not having a storage space and under gravity only Can fall on the ground, the present invention is equipped with upright bar above shell, be socketed with reset spring on the outside of upright bar, reset spring it is upper Side is equipped with arc panel, active charcoal bag is bonded on the inside of arc panel, the top of arc panel is equipped with upper cover by connecting rod, is wiping When wiping blackboard, upper cover is pressed with hand, shrinks reset spring, and then make felt contacts blackboard, arc panel moves down, and makes arc panel The active charcoal bag of inside is looped around the surrounding of felt, and chalk dust when to wiping blackboard adsorbs, and after the completion of wiping, incite somebody to action this Invention is taken away, and blackboard is left, and with the natural reset of reset spring, arc panel and upper cover and active charcoal bag restore to the original state, complete At wiping, largely flying upward for chalk dust is avoided, not only effectively solves the phenomenon that dust from flying, completely be all, but also teacher of the protecting Raw health, for teacher efficiently carries out teaching, student health LEARNING SHOULD BE FUN creates good environment.

(2) present invention enables the invention to quickly clear up by setting scraper plate, heating sheet, cleaning solution, air freshener Chalk dust on blackboard eraser not will cause a large amount of dust from flying, and clear up more clean, practicability height, to effectively solve The larger problem of the subsequent cleaning dust harzard of blackboard eraser of having determined stretches the present invention when the dust on blackboard eraser needs to clear up Enter in a polybag, the U-shaped frame of upper lid surface is rotated, so that scraper plate is contacted felt, U-shaped frame is slided repeatedly on the surface of sliding slot It is dynamic, so that scraper plate be made to rub the bottom surface of felt, chalk dust is fallen, in turn, solenoid valve is opened by control switch, makes to store up Cleaning solution inside liquid bath flows into felt, is adequately cleaned, and solenoid valve is turned off, and opens heating sheet, carries out to felt fast Speed drying regularly passes through knob to reach quick cleaning felt and good result free from environmental pollution again at this time Storage chamber is opened, cleans air freshener to the air of surrounding, guarantees a good academic environment.

Detailed description of the invention

Fig. 1 is schematic diagram of internal structure of the present invention；

Fig. 2 is side view schematic diagram of internal structure of the present invention；

Fig. 3 is overlooking structure diagram of the present invention.

In figure：1, scraper plate；2, upper cover；3, arc panel；4, upright bar；5, reservoir；6, active charcoal bag；7, heating sheet；8, hair Felt；9, U-shaped frame；10, connecting rod；11, reset spring；12, control switch；13, solenoid valve；14, perfusion tube；15, shell；16, it revolves Button；17, battery cover；18, sliding slot；19, cleaning solution；20, storage chamber；21, air freshener；22, mounting groove；23, battery.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

If Fig. 1-3 shows, the present invention provides a kind of technical solution：A kind of strength dust-proof blackboard eraser, including it is active charcoal bag 6, multiple Position spring 11 and shell 15, the bottom of shell 15 are equipped with heating sheet 7, and 15 bottom of shell of 7 lower section of heating sheet is equipped with felt 8, the model Ali-045 heating sheet of heating sheet 7 belongs to the prior art, and the top of shell 15 is equipped with upright bar 4, upright bar 4 it is outer Side is socketed with reset spring 11, and the top of reset spring 11 is equipped with arc panel 3, and the inside of arc panel 3 is bonded with active charcoal bag 6, active charcoal bag 6 and arc panel 3 are equipped with four groups altogether, are distributed in the surrounding of shell 15, the top of arc panel 3 by connecting rod 10 with Upper cover 2 is welded and fixed, and the top of arc panel 3 is equipped with upper cover 2 by connecting rod 10, when being erased the board with ordinary blackboard eraser, on blackboard Chalk dust cleared away, chalk dust output channel useless is squeezed on the both sides of blackboard eraser, with movement when erasing the board drive it is empty Flow of air is flown upward everywhere, can only then be fallen under gravity on the ground due to not having storage space, the present invention is in shell 15 top is equipped with upright bar 4, and the outside of upright bar 4 is socketed with reset spring 11, and the top of reset spring 11 is equipped with arc panel 3, the inside of arc panel 3 is bonded with active charcoal bag 6, and the top of arc panel 3 is equipped with upper cover 2 by connecting rod 10, in wiping blackboard When, upper cover 2 is pressed with hand, shrinks reset spring 11, and then felt 8 is made to contact blackboard, arc panel 3 moves down, and makes arc panel 3 The active charcoal bag 6 of inside is looped around the surrounding of felt 8, and chalk dust when to wiping blackboard adsorbs, will after the completion of wiping The present invention takes away, leaves blackboard, and with the natural reset of reset spring 11, arc panel 3 and upper cover 2 and active charcoal bag 6 restore Original state completes wiping, avoids largely flying upward for chalk dust, not only effectively solves the phenomenon that dust from flying, completely be all, but also protect The health of teachers and students has been protected, for teacher efficiently carries out teaching, student health LEARNING SHOULD BE FUN creates good environment, has made this hair It is bright that flying upward for chalk dust can be maximumlly reduced when erasing the board, the infection of student and teacher's respiratory tract are avoided, and then protect The health of teachers and students, the two sides of upper cover 2 are provided with sliding slot 18, and the inside of sliding slot 18 is equipped with U-shaped frame 9, the bottom end of U-shaped frame 9 Scraper plate 1 is installed, shell 15 is internally provided with reservoir 5, and the internal reservoir of reservoir 5 has a cleaning solution 19, reservoir 5 it is upper Side is equipped with control switch 12, and the bottom of reservoir 5 is connect by perfusion tube 14 with felt 8, and the surface of perfusion tube 14 is equipped with The output end of solenoid valve 13, control switch 12 is connect with solenoid valve 13 and heating sheet 7, the model SLDF electromagnetism of solenoid valve 13 Valve belongs to the prior art, and the shell 15 of 5 side of reservoir is internally provided with mounting groove 22, and the inside of mounting groove 22 is equipped with electricity Pond 23, the top of mounting groove 22 are equipped with battery cover 17, and the output end of battery 23 is connect with solenoid valve 13 and heating sheet 7, installation The shell 15 of 22 side of slot is internally provided with storage chamber 20, and the internal storage of storage chamber 20 has air freshener 21, storage chamber 20 Top knob 16 is installed, when the dust on blackboard eraser needs to clear up, the present invention is protruded into a polybag, by upper cover The U-shaped frame 9 on 2 surfaces rotates, and so that scraper plate 1 is contacted felt 8, U-shaped frame 9 is slided repeatedly on the surface of sliding slot 18, to make scraper plate 1 Bottom surface friction to felt 8, falls chalk dust, in turn, opens solenoid valve 13 by control switch 12, make in reservoir 5 The cleaning solution 19 in portion flows into felt 8, is adequately cleaned, and solenoid valve 13 is turned off, and opens heating sheet 7, carries out fastly to felt 8 Speed drying regularly passes through knob to reach quick cleaning felt 8 and good result free from environmental pollution again at this time 16 open storage chamber 20, clean the air around 21 pairs of air freshener, guarantee a good academic environment, make this Invention can quickly clear up the chalk dust on blackboard eraser, not will cause a large amount of dust from flying, and cleaning is more clean, practical Property it is high, with the development of multimedia technology, although classroom instruction has reform largely compared with conventional teaching, for writing on the blackboard Requirement relied on not as traditionally, but traditional instruction is still a part irreplaceable in teaching process, however plate Chalk dust bring occupational disease in book allows many teachers that may have certain conflict psychology to writing on the blackboard in instinct, although working as It is preceding to have had already appeared dust-free black board eraser in the market, electrostatic dedusting blackboard eraser, automatic blackboard eraser, but these blackboard erasers mostly at This excessively high or requirement is higher, is not widely deployed for primary schools at different levels, just, in the daily teaching of high school, is directed to this Invention need to only carry out related transformation on the basis of original blackboard eraser, that is, can reach really " strength is dust-proof " wiping, both reached Mode of operation is simple and convenient, and the misgivings of teacher can be made to sweep and remove, and greatly improves efficiency of teaching, while ensure that teacher Health situation, can be that good fortune Lu is double receives, and therefore, the present invention has large market application space, also will necessarily be by Numerous schools are favored, and the continuous enhancing with people for environmental consciousness, and the Environmental Design of the present apparatus can be with bring Social benefit is not only that money can compare.

In use, the present invention is equipped with upright bar 4 in the top of shell 15, the outside of upright bar 4 is socketed with reset spring 11, multiple The top of position spring 11 is equipped with arc panel 3, and the inside of arc panel 3 is bonded with active charcoal bag 6, and the top of arc panel 3 passes through company Bar 10 is equipped with upper cover 2, when wiping blackboard, presses upper cover 2 with hand, shrinks reset spring 11, and then contact felt 8 Blackboard, arc panel 3 move down, and the active charcoal bag 6 of 3 inside of arc panel is made to be looped around the surrounding of felt 8, chalk when to wiping blackboard Ash is adsorbed, and after the completion of wiping, the present invention is taken away, leaves blackboard, with the natural reset of reset spring 11, arc panel 3 and upper cover 2 and active charcoal bag 6 restore to the original state, complete wiping, avoid largely flying upward for chalk dust, the dust on blackboard eraser When needing to clear up, the present invention is protruded into a polybag, the U-shaped frame 9 on 2 surface of upper cover is rotated, scraper plate 1 is made to contact felt 8, U-shaped frame 9 is slided repeatedly on the surface of sliding slot 18, so that scraper plate 1 be made to rub the bottom surface of felt 8, falls chalk dust, into And opened solenoid valve 13 by control switch 12, so that the cleaning solution 19 inside reservoir 5 is flowed into felt 8, carries out adequately clear Wash, turn off solenoid valve 13, open heating sheet 7, flash baking is carried out to felt 8, thus reached quick cleaning felt 8 and Good result free from environmental pollution again regularly opens storage chamber 20 by knob 16 again at this time, makes 21 pairs of weeks of air freshener The air enclosed is cleaned, and guarantees a good academic environment.

It can to sum up obtain, the present invention passes through setting upright bar 4, reset spring 11, arc panel 3, active charcoal bag 6, upper cover 2, shell 15, felt 8, scraper plate 1, heating sheet 7, cleaning solution 19,21 structure of air freshener solve when not can avoid blackboard eraser and erasing the board Dust from flying and the larger problem of the subsequent cleaning dust harzard of blackboard eraser.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of strength dust-proof blackboard eraser, including active charcoal bag (6), reset spring (11) and shell (15), it is characterised in that：Institute It states and is equipped with above shell (15) upright bar (4), is socketed with reset spring (11) on the outside of the upright bar (4), the reset bullet It is equipped with above spring (11) arc panel (3), is bonded with active charcoal bag (6), the arc panel on the inside of the arc panel (3) (3) top is equipped with upper cover (2) by connecting rod (10), and the two sides of the upper cover (2) are provided with sliding slot (18), the sliding slot (18) it is equipped on the inside of U-shaped frame (9), the bottom end of the U-shaped frame (9) is equipped with scraper plate (1).

2. a kind of strength dust-proof blackboard eraser according to claim 1, it is characterised in that：The active charcoal bag (6) and arc Plate (3) is equipped with four groups altogether, is distributed in the surrounding of shell (15), and the top of the arc panel (3) passes through connecting rod (10) and upper cover (2) it is welded and fixed.

3. a kind of strength dust-proof blackboard eraser according to claim 1, it is characterised in that：It installs the bottom of the shell (15) Have heating sheet (7), shell (15) bottom below the heating sheet (7) is equipped with felt (8).

4. a kind of strength dust-proof blackboard eraser according to claim 1, it is characterised in that：The inside of the shell (15) is arranged Have reservoir (5), the internal reservoir of the reservoir (5) has cleaning solution (19), is equipped with control above the reservoir (5) It switchs (12), the bottom of the reservoir (5) is connect by perfusion tube (14) with felt (8), the surface of the perfusion tube (14) It is equipped with solenoid valve (13), the output end of the control switch (12) is connect with solenoid valve (13) and heating sheet (7).

5. a kind of strength dust-proof blackboard eraser according to claim 1, it is characterised in that：Outside reservoir (5) side Shell (15) is internally provided with mounting groove (22), and the inside of the mounting groove (22) is equipped with battery (23), the mounting groove (22) Top be equipped with battery cover (17), the output end of the battery (23) is connect with solenoid valve (13) and heating sheet (7).

6. a kind of strength dust-proof blackboard eraser according to claim 1, it is characterised in that：Outside mounting groove (22) side Shell (15) is internally provided with storage chamber (20), and the internal storage of the storage chamber (20) has air freshener (21), the storage Knob (16) are installed above chamber (20).