CN207274234U - Dust-proof chalk eraser - Google Patents

Abstract

The utility model discloses a kind of dust-proof chalk eraser, it includes housing, dust sucting motor and battery, housing is wherein simultaneously equipped with wiping body, the shell one end is equipped with the grey chamber of storage, the grey chamber upper surface of storage and housing lower face, there is gap in wiping body lower face, the grey chamber (3) of storage is less than surface of the wiping body away from housing close to the surface of wiping body, dust sucting motor is installed on grey side wall of the chamber away from wiping body side of storage, its flabellum is located at the grey intracavitary of storage, battery (5) is installed in housing (1), pass through the operating of electric wire and switch control dust sucting motor (4), the utility model has the advantages that the convenient chalk dust for collecting blackboard wiping.

Description

Dust-proof chalk eraser

Technical field

A kind of teaching aid is the utility model is related to, particularly a kind of dust-proof chalk eraser.

Background technology

Blackboard eraser is an indispensable part in daily teaching work, although there occurs very big for present teaching method Change, teaching aid is also increasingly modernized, but blackboard writing because its it is convenient and efficient the advantages that, still have its irreplaceable ground Position and generality, the use of blackboard eraser remain on very frequent.Common blackboard eraser has its salient feature, i.e. compact, Practical and convenient, wiping effect is good, physical life length etc..But its shortcoming is it is also obvious that usually it can be found that teacher or student exist When being erased the board using common blackboard eraser, in addition to a hand holds blackboard eraser blackboard wiping, in addition a hand often obtains Cover mouth and nose.That is because can be with substantial amounts of chalk dust when using common blackboard eraser.Moreover, it is subject to chalk dust That influence is not only the classmate or teacher to erase the board, and being punished for being related to can also be affected in front-seat student.The harm of airborne dust is not Say and explain, excessive suction can cause the lung of human body serious harm, and the still more generation of such case most frequently is in classroom On, that aggrieved is mostly child, and harmfulness is with regard to bigger.

The content of the invention

A kind of dust-proof chalk eraser is provided the purpose of the utility model is to overcome the above-mentioned deficiency of the prior art, solves to wipe The problem of chalk dust drifts during blackboard.

The technical solution of the utility model is：A kind of dust-proof chalk eraser, it includes housing, and housing is wherein simultaneously equipped with and wipes Body, the shell one end are equipped with the grey chamber of storage, and storing up grey chamber upper surface and housing lower face, wiping body lower face has gap, stores up grey chamber It is less than surface of the wiping body away from housing close to the surface of wiping body.

The further technical solution of the utility model is：It further includes dust sucting motor and battery, and dust sucting motor is installed on storage On side wall of the grey chamber away from wiping body side, its flabellum is located at the grey intracavitary of storage, and the side wall is equipped with venthole, battery installation In housing, pass through electric wire and switch control dust sucting motor.

The further technical solution of the utility model is：It further includes dust block board, and dust block board is installed on the front of flabellum, its Upper end is connected with housing, its lower end is equipped with gap with the grey bottom of chamber plate of storage.

The further technical solution of the utility model is：Dust Storage Room is equipped with below the storage ash bottom of chamber plate, stores up grey bottom of chamber Plate is equipped with ash port.

The further technical solution of the utility model is：The bottom plate of the Dust Storage Room is mobilizable " L " type plate, storage The side wall of grey room is equipped with sliding slot, and " L " type plate can be inserted into the sliding slot of side wall.

The further technical solution of the utility model is：The dust block board is equipped with air hole.

The further technical solution of the utility model is：It is additionally provided with motor protecting cover, and motor protecting cover passes through with housing Screw connection.

The utility model has following features compared with prior art：

The lower section of shell one end wiping body is equipped with the grey chamber of storage, stores up grey chamber wherein one side wall and is equipped with dust sucting motor, wiping Chalk dust is inhaled by dust sucting motor is storing up grey intracavitary, so as to solve the problems, such as that chalk dust drifts.It is equipped with the lower section of the grey chamber of storage The mobilizable Dust Storage Room of bottom plate, so when chalk ash collection is more, it is necessary to when outwelling chalk dust, can pull dump bottom Chalk dust is poured into dustbin by plate, very easy to use.

Periphery sets dust baffle, and dust baffle can use soft elastomeric material or hairbrush, the dust gear of surrounding The chalk dust that plate raises in composition dustproof space, wiping process is stopped in dustproof space, is floatd so as to greatly reduce It is dispersed in dust in air quantity；Air suction opening is provided with housing around wiping body, coordinates the suction of air extraction structure, makes dust-proof sky In chalk dust be inhaled into by air suction opening in dust storage chamber, and air suction opening is set on housing multiple can reach full side The pick-up performance of position.

The detailed construction of the utility model is further described below in conjunction with the drawings and specific embodiments.

Brief description of the drawings

Fig. 1 is the structure diagram of the utility model.

Embodiment

Embodiment 1

As shown in Figure 1, a kind of dust-proof chalk eraser, it includes housing 1, dust sucting motor 4 and battery 5, and housing 1 is wherein simultaneously set There is wiping body 2, described 1 one end of housing is equipped with the grey chamber 3 of storage, and store up grey 3 upper surface of chamber has with 1 lower face of housing, 2 lower face of wiping body Gap, falls into the grey chamber 3 of storage easy to wipe the chalk dust to drop, it is remote less than wiping body 2 close to the surface of wiping body 2 to store up grey chamber 3 The surface of shrinking away from theshell body 1, so easy to blackboard wiping；Dust sucting motor 4 is installed on the grey chamber 3 of storage and is equipped with ventilation away from 2 side of wiping body On the side wall in hole 31, its flabellum is located in the grey chamber 3 of storage, and the front of flabellum is equipped with dust block board 6, for the ease of the circulation of air-flow, Dust block board 6 is equipped with venthole 61, and the upper end of dust block board 6 is connected with housing 1, its lower end is equipped with gap with grey 3 bottom plate of chamber of storage, The gap can make the distinguished and admirable of dust sucting motor 4 that chalk dust be sucked the grey chamber 3 of storage through dust block board 6, so as to reduce chalk dust from logical Stomata 31 flows out；Battery 5 is installed in housing 1, passes through the operating of electric wire and switch control dust sucting motor 4；In order to facilitate storage More chalk dusts, are equipped with Dust Storage Room 33 below 3 bottom plate of grey chamber storing up, store up grey 3 bottom plate of chamber and be equipped with ash port 32, in order to store Chalk dust easily outwell, the bottom plate of Dust Storage Room 33 is set to mobilizable " L " type plate 7, and the side wall of Dust Storage Room 33, which is equipped with, to be slided Groove, " L " type plate 7 can be inserted into the sliding slot of side wall, and when needing to outwell chalk dust, dust-proof chalk eraser is taken dustbin Top, extraction " L " type plate 7, chalk dust is just called in dustbin, can easily outwell chalk dust；Dust suction in order to prevent Motor 4 to user of service may caused by injury, and the shadow by the chalk dust of venthole 31 to user of service's health on a small quantity Ring, motor protecting cover 8 is installed in the outside of dust sucting motor 4, motor protecting cover 8 is connected with housing 1 by screw, is so easy to A small amount of chalk dust of motor protecting cover 8 is outwelled.

Claims (9)

1. a kind of dust-proof chalk eraser, it includes housing (1), and housing (1) wherein one side is equipped with wiping body (2), it is characterised in that：Institute State housing (1) one end and be equipped with the grey chamber (3) of storage, store up grey chamber (3) upper surface and have time with housing (1) lower face, wiping body (2) lower face Gap, stores up grey chamber (3) close to the surface of wiping body (2) less than surface of the wiping body (2) away from housing (1).

A kind of 2. dust-proof chalk eraser according to claim 1, it is characterised in that：It further includes dust sucting motor (4), dust suction electricity Machine (4) is installed on grey side wall of the chamber (3) away from wiping body (2) side of storage, its flabellum is located in the grey chamber (3) of storage.

A kind of 3. dust-proof chalk eraser according to claim 2, it is characterised in that：It further includes dust block board (6), dust block board (6) front of flabellum is installed on, the upper end is connected with housing (1), its lower end is equipped with gap with grey chamber (3) bottom plate of storage.

A kind of 4. dust-proof chalk eraser according to claim 3, it is characterised in that：Set below described storage ash chamber (3) bottom plate There is Dust Storage Room (33), store up grey chamber (3) bottom plate and be equipped with ash port (32).

A kind of 5. dust-proof chalk eraser according to claim 4, it is characterised in that：The bottom plate of the Dust Storage Room (33) is can " L " the type plate (7) of activity, the side wall of Dust Storage Room (33) are equipped with sliding slot, and " L " type plate (7) can be inserted into the sliding slot of side wall.

6. according to a kind of dust-proof chalk eraser described in claim 3 or 4 or 5, it is characterised in that：The dust block board (6) is equipped with Air hole (61).

A kind of 7. dust-proof chalk eraser according to Claims 2 or 3, it is characterised in that：It is additionally provided with motor protecting cover (8), Motor protecting cover (8) passes through screw connection with housing (1).

A kind of 8. dust-proof chalk eraser according to claim 4, it is characterised in that：It is additionally provided with motor protecting cover (8), motor Protective cover (8) passes through screw connection with housing (1).

A kind of 9. dust-proof chalk eraser according to claim 5, it is characterised in that：It is additionally provided with motor protecting cover (8), motor Protective cover (8) passes through screw connection with housing (1).