CN208664744U - A kind of electric dust absorption blackboard eraser - Google Patents

Abstract

The utility model discloses a kind of electric dust absorption blackboard erasers, including blackboard eraser main body and connector, the connector is fixedly installed on blackboard eraser main body bottom end, the connector inner cavity was fixedly installed blower, the blower side of crossing is provided with dust collecting box, the dust collecting box is set to blackboard eraser body lumen, and dust collecting box is fixedly connected with blackboard eraser main body inner wall, the blower output end of crossing is provided with air-exhausting duct, dust collecting box one side wall is run through in described air-exhausting duct one end, and it extends in dust collecting box, the blower input terminal of crossing is provided with aspiration channel, blackboard eraser main body bottom wall and connector are run through in described aspiration channel one end, and extend to connector bottom end side.The setting that the utility model passes through dust collecting box, be conducive to carry out centralized collection to the dust for crossing blower absorption, and the dust that the cloth that leaks out of dust collecting box side makes the wind being passed through in dust collecting box spill into the external world, and completely cuts off in dust collecting box is from cloth outflow of leaking out, to achieve the effect that dust suction.

Description

A kind of electric dust absorption blackboard eraser

Technical field

The utility model relates to instructional device field, in particular to a kind of electric dust absorption blackboard eraser.

Background technique

Present many teachers are suffering from occupational disease, and pulmonary tuberculosis is one such occupational disease.Teachers are at school When can be floatd in air using chalkboard eraser blackboard chalk dust, and the chalk dust in air cannot be expelled directly out classroom, can not and When precipitate, can by classroom academics and students suck lung.Teacher is a people nearest from blackboard, therefore teacher will be It by injury while their hard-workings, accumulates over a long period, taking care of the pence will lead to teacher and suffer from tuberculosis.

It since existing blackboard eraser can generate chalk dust when erasing the board, and waves everywhere, is easy to be sucked by human body, influences to be good for Health.Therefore, it is necessary to solve the above problems to invent a kind of electric dust absorption blackboard eraser.

Utility model content

The purpose of this utility model is to provide a kind of electric dust absorption blackboard erasers, generate when being wiped by crossing blower absorption Dust, and dust is collected by ash collection slot, it is easy with solving chalk dust mentioned above in the background art by human body Sucking, unhealthful problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of electric dust absorption blackboard eraser, including blackboard It wipes main body and connector, the connector is fixedly installed on blackboard eraser main body bottom end, the connector inner cavity was fixedly installed Blower, the blower side of crossing are provided with dust collecting box, and the dust collecting box is set to blackboard eraser body lumen, and dust collecting box and blackboard It wipes main body inner wall to be fixedly connected, the blower output end of crossing is provided with air-exhausting duct, and dust collecting box side is run through in described air-exhausting duct one end Wall, and extend in dust collecting box, the blower input terminal of crossing is provided with aspiration channel, and blackboard eraser main body is run through in described aspiration channel one end Bottom wall and connector, and connector bottom end side is extended to, the connector bottom end is provided with wiper, the connector and wiper Between be provided with velcro, and connector is flexibly connected with wiper by velcro.

Preferably, the blackboard eraser body lumen is provided with battery pack, and the battery pack was set to blower side, described Battery pack model is set as No. 5 batteries.

Preferably, blackboard eraser body outer wall side is fixedly installed the cloth that leaks out, and described cloth one end of leaking out is through blackboard Wipe body side wall, and extend to dust collecting box inner cavity, the cloth that leaks out is set as reticular structure, and aperture be set as 0.01mm ~ Between 0.03mm.

Preferably, the air draft tube cavity is fixedly installed backflow preventing mouth plug, and backflow preventing mouth plug is set in dust collecting box.

Preferably, blackboard eraser main body top side is provided with thread plug, and blackboard eraser master is run through in the thread plug bottom end Body roof, and dust collecting box inner cavity is extended to, the mode that the thread plug is connected through a screw thread with blackboard eraser main body is attached, institute It states the blackboard eraser main body top other side and is provided with switch, the switch is electrically connected with battery pack.

Preferably, the velcro includes hangnail layer and fur layer, and the hangnail layer is fixedly installed on connector side table Face, the fur layer are fixedly installed on one side surface of wiper.

The technical effect and advantage of the utility model:

1, by the setting of dust collecting box, be conducive to carry out centralized collection, and dust collecting box one to the dust for crossing blower absorption The dust that the cloth that leaks out of side makes the wind being passed through in dust collecting box spill into the external world, and completely cuts off in dust collecting box is flowed out from the cloth that leaks out, from And achieve the effect that dust suction；

2, it is flexibly connected, is conducive to when being cleaned to wiper, directly with connector using velcro by wiper It connected velcro and dismantled wiper from connector and cleaned, blackboard eraser body lumen part and the wiper of humidity is avoided to lead Cause short circuit.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram.

Fig. 2 is the utility model connector side structure schematic view.

Fig. 3 is structural schematic diagram at A in the utility model Fig. 1.

In figure: blower, 4 dust collecting boxes, 5 air-exhausting ducts, 6 aspiration channels, 7 wipers, 8 magics are crossed in 1 blackboard eraser main body, 2 connectors, 3 Patch, 9 battery packs, 10 leak out cloth, 11 backflow preventing mouth plugs, 12 thread plugs, 13 switch.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1:

The utility model provides a kind of electric dust absorption blackboard eraser as shown in Figs. 1-3, including blackboard eraser main body 1 and connection Part 2, the connector 2 are fixedly installed on 1 bottom end of blackboard eraser main body, and 2 inner cavity of connector was fixedly installed blower 3, institute It stated 3 side of blower and is provided with dust collecting box 4, the dust collecting box 4 is set to 1 inner cavity of blackboard eraser main body, and dust collecting box 4 and blackboard eraser 1 inner wall of main body is fixedly connected, and by the setting of dust collecting box 4, is conducive to carry out centralized collection, institute to the dust for crossing the absorption of blower 3 It stated 3 output end of blower and is provided with air-exhausting duct 5,4 one side wall of dust collecting box is run through in described 5 one end of air-exhausting duct, and extends to dust collecting box 4 Interior, 3 input terminal of blower of crossing is provided with aspiration channel 6, and 1 bottom wall of blackboard eraser main body and connector are run through in described 6 one end of aspiration channel 2, and 2 bottom end side of connector is extended to, 2 bottom end of connector is provided with wiper 7, sets between the connector 2 and wiper 7 It is equipped with velcro 8, and connector 2 is flexibly connected with wiper 7 by velcro 8, by the setting of velcro 8, convenient for wiper 7 Carry out disassembly, cleaning.

Further, in the above-mentioned technical solutions, 1 inner cavity of blackboard eraser main body is provided with battery pack 9, the battery pack 9 were set to 3 side of blower, and 9 model of battery pack is set as No. 5 batteries, were conducive to provide electric energy to blower 3 excessively.

Further, in the above-mentioned technical solutions, the 1 outer wall side of blackboard eraser main body is fixedly installed the cloth 10 that leaks out, Described 10 one end of cloth of leaking out extends to 4 inner cavity of dust collecting box through 1 one side wall of blackboard eraser main body, and the cloth 10 that leaks out is set as Reticular structure, and aperture is set as between 0.01mm ~ 0.03mm, is conducive to make the wind in dust collecting box 4 to leak out, and completely cuts off collection ash Dust in case 4 is overflowed from the cloth 10 that leaks out.

Further, in the above-mentioned technical solutions, 5 inner cavity of air-exhausting duct is fixedly installed backflow preventing mouth plug 11, and backflow preventing mouth plug 11 are set in dust collecting box 4, avoid the dust in dust collecting box 4 from occurring to flow backwards in progress air-exhausting duct 5, to block air-exhausting duct 5.

Further, in the above-mentioned technical solutions, the 1 top side of blackboard eraser main body is provided with thread plug 12, described 1 roof of blackboard eraser main body is run through in 12 bottom end of thread plug, and extends to 4 inner cavity of dust collecting box, the thread plug 12 and blackboard eraser main body 1 The mode being connected through a screw thread is attached, and is conducive to open thread plug 12 by way of screw thread, then be poured out in dust collecting box 4 The dust of collection, the 1 top other side of blackboard eraser main body are provided with switch 13, and the switch 13 is electrically connected with battery pack 9.

Further, in the above-mentioned technical solutions, the velcro 8 includes hangnail layer and fur layer, and the hangnail layer is solid Surely it is set to 2 one side surface of connector, the fur layer is fixedly installed on 7 one side surface of wiper, is conducive to carry out to wiper 7 When cleaning, wiper 7 is dismantled by velcro 8 from connector 2 directly and is cleaned, 1 inner cavity part of blackboard eraser main body is avoided Lead to short circuit with moist wiper 7.

Embodiment 2:

Blower 3 is crossed unlike the first embodiment to be electrically connected by switch 13 and battery pack 9, controls electricity using switch 13 It crosses blower 3 for 9 pairs of pond group to be powered and powered off, when needing dust suction, turns on the switch 13, cross the progress of blower 3 for 9 pairs of battery pack at this time Power supply so that blower 3 be made to carry out the suction adsorption dust of work generation, and is input in dust collecting box 4 by air-exhausting duct 5, When not needing dust suction, 13 are turned off the switch, the stopping of battery pack 9 at this time is powered to blower 3 is crossed, so that crossing blower 3 stops work Make

Utility model works principle: when needing dust suction, turning on the switch 13, and 9 pairs of battery pack blowers 3 excessively supply at this time Electricity so that blower 3 be made to carry out the suction adsorption dust of work generation, and is input in dust collecting box 4 by air-exhausting duct 5, and The wind being input in dust collecting box 4 is overflowed from the cloth 10 that leaks out, while the cloth 10 that leaks out completely cuts off dust and outwardly flows out, and concentrates dust heavy It forms sediment in dust collecting box 4, and when the dust in dust collecting box 4 collects full, by opening thread plug 12, then pours out dust i.e. Can, when needing to clean wiper 7, wiper 7 is dismantled by velcro 8 from connector 2 directly and is cleaned, is avoided 1 inner cavity part of blackboard eraser main body and moist wiper 7 lead to short circuit, to reach this practical purpose.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of electric dust absorption blackboard eraser, including blackboard eraser main body (1) and connector (2), it is characterised in that: the connector (2) it is fixedly installed on blackboard eraser main body (1) bottom end, connector (2) inner cavity was fixedly installed blower (3), described to cross wind Machine (3) side is provided with dust collecting box (4), and the dust collecting box (4) is set to blackboard eraser main body (1) inner cavity, and dust collecting box (4) with it is black Blackboard eraser main body (1) inner wall is fixedly connected, and described blower (3) output end of crossing is provided with air-exhausting duct (5), described air-exhausting duct (5) one end It through dust collecting box (4) one side wall, and extends in dust collecting box (4), described blower (3) input terminal of crossing is provided with aspiration channel (6), institute Aspiration channel (6) one end is stated through blackboard eraser main body (1) bottom wall and connector (2), and extends to connector (2) bottom end side, institute It states connector (2) bottom end to be provided with wiper (7), be provided with velcro (8) between the connector (2) and wiper (7), and connect Part (2) is flexibly connected with wiper (7) by velcro (8).

2. a kind of electric dust absorption blackboard eraser according to claim 1, it is characterised in that: blackboard eraser main body (1) inner cavity It is provided with battery pack (9), the battery pack (9) was set to blower (3) side, and battery pack (9) model is set as No. 5 electricity Pond.

3. a kind of electric dust absorption blackboard eraser according to claim 1, it is characterised in that: blackboard eraser main body (1) outer wall Side is fixedly installed the cloth that leaks out (10), and blackboard eraser main body (1) one side wall is run through in the described cloth that leaks out (10) one end, and extends to collection Cinder box (4) inner cavity, the cloth that leaks out (10) is set as reticular structure, and aperture is set as between 0.01mm ~ 0.03mm.

4. a kind of electric dust absorption blackboard eraser according to claim 1, it is characterised in that: air-exhausting duct (5) inner cavity is fixed It is provided with backflow preventing mouth plug (11), and backflow preventing mouth plug (11) is set in dust collecting box (4).

5. a kind of electric dust absorption blackboard eraser according to claim 2, it is characterised in that: blackboard eraser main body (1) top Side is provided with thread plug (12), and blackboard eraser main body (1) roof is run through in thread plug (12) bottom end, and extends to dust collecting box (4) inner cavity, the mode that the thread plug (12) is connected through a screw thread with blackboard eraser main body (1) are attached, the blackboard eraser master Body (1) top other side is provided with switch (13), and the switch (13) is electrically connected with battery pack (9).

6. a kind of electric dust absorption blackboard eraser according to claim 1, it is characterised in that: the velcro (8) includes hangnail Layer and fur layer, the hangnail layer are fixedly installed on (2) one side surface of connector, and the fur layer is fixedly installed on wiper (7) One side surface.