CN206383720U - A kind of multifunctional blackboard eraser - Google Patents

Abstract

The utility model discloses a kind of multifunctional blackboard eraser, including blackboard eraser back box, chalk receiver and the multiple connecting rods being connected between blackboard eraser back box and chalk receiver, blackboard eraser back box includes the inverted U-shaped upper lid and U-shaped lower cover that interleaved activity is fitting to connection, the bottom of U-shaped lower cover is provided with an inner groovy, front and rear sides are respectively arranged with a slotted eye vertical with U-shaped lower cover side plate on the bottom plate of the inner groovy, a shifting shaft being connected with U-shaped lower cover side plate is respectively arranged with slotted eye, the middle part ring-type of shifting shaft is evenly arranged with some swinging plates, a ring-type cleaning wiping cloth is arranged with two shifting shafts, some tendon shapes that can be engaged with swinging plate are provided with the inside of the ring-type cleaning wiping cloth raised, chalk receiver is that groove is box-like and a lid is hingedly connected with the top of it, the utility model can store chalk, it is difficult to make hand dirty when using simultaneously, blackboard eraser cleaning wiping cloth can cleared up after use twice, the time is saved.

Description

A kind of multifunctional blackboard eraser

Technical field

The utility model is related to realia technical field, and in particular to a kind of multifunctional blackboard eraser.

Background technology

The blackboard eraser now used at present easily causes to grasp on the outside of the thumb of blackboard eraser and small thumb in use Refer to outside contamination chalk dust, on the one hand healthy to teacher to impact, another aspect teacher also easily to books and says Justice is polluted, and existing blackboard eraser to the chalk dust on blackboard eraser wiping face after being used for a while, it is necessary to carry out in addition Cleaning, and repeatedly cleaning is compared and lost time repeatedly, existing blackboard eraser can not store chalk in addition, and chalk is general with blackboard eraser To be retained separately, during use, the phenomenon for having blackboard eraser and can not find chalk usually occurs, when wasting classroom preciousness Between.

Utility model content

(1) technical problem to be solved

In order to overcome prior art not enough, it is proposed that a kind of multifunctional blackboard eraser, it can store chalk, while when using It is difficult to make hand dirty, blackboard eraser cleaning wiping cloth can cleared up after use twice, save the time.

(2) technical scheme

The utility model is achieved through the following technical solutions：The utility model proposes a kind of multifunctional blackboard eraser, including Blackboard eraser back box, chalk receiver and the multiple connecting rods being connected between blackboard eraser back box and chalk receiver are described black Blackboard eraser back box includes the inverted U-shaped upper lid and U-shaped lower cover that interleaved activity is fitting to connection, and the bottom of the U-shaped lower cover is provided with one Front and rear sides are respectively arranged with a slotted eye vertical with U-shaped lower cover side plate, the slotted eye on inner groovy, the bottom plate of the inner groovy A shifting shaft being connected with U-shaped lower cover side plate is inside respectively arranged with, the middle part ring-type of the shifting shaft is evenly arranged with some groups Be arranged with dynamic plate, two shifting shafts on the inside of a ring-type cleaning wiping cloth, the ring-type cleaning wiping cloth be provided with it is some can be with The tendon shape of swinging plate engaging is raised, and the chalk receiver is that groove is box-like and a lid is hingedly connected with the top of it.

Further, the end of one of them shifting shaft is connected with a turn lid, can be rotated and dialled by turn lid Moving axis.

Further, the lateral surface of the ring-type cleaning wiping cloth is one kind in both flannelette or felt.

(3) beneficial effect

The utility model has the advantages that relative to prior art：

A kind of multifunctional blackboard eraser that the utility model is mentioned, it on the top of blackboard eraser back box by being provided with company The chalk receiver of extension bar connection, on the one hand can cause blackboard eraser to have the function of accommodating chalk, while user can be with hand Hold chalk receiver and carry out blackboard wiping, hand can be prevented to be infected with chalk dust, after a period of time, the cleaning wiping cloth positioned at bottom It is stained with after chalk dust, can be by turn turn lid, shifting shaft can cause ring-type cleaning wiping cloth to rotate so that black using being located at Clean ring-type cleaning wiping cloth inner face is continuing with blackboard eraser back box, can shorten the number of times of cleaning blackboard eraser chalk dust, during saving Between.

Brief description of the drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is U-shaped lower cover structure top view.

1- blackboard eraser back box；2- chalk receivers；3- connecting rods；4- shifting shafts；5- ring-type cleaning wiping cloths；On 11- is inverted U-shaped Lid；12-U shape lower covers；21- lids；41- swinging plates；42- turn lids；51- tendon shapes are raised；121- inner groovies.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain The utility model, is not used to limit the utility model.

A kind of multifunctional blackboard eraser as depicted in figs. 1 and 2, including blackboard eraser back box 1, chalk receiver 2 and connection Multiple connecting rods 3 between blackboard eraser back box 1 and chalk receiver 2, the blackboard eraser back box 1 includes the chimeric company of interleaved activity The inverted U-shaped upper lid 11 and U-shaped lower cover 12 connect, the bottom of the U-shaped lower cover 12 is provided with an inner groovy 121, the inner groovy Front and rear sides are respectively arranged with a slotted eye vertical with the side plate of U-shaped lower cover 12, the slotted eye and are respectively arranged with 121 bottom plate One shifting shaft 4 being connected with the side plate of U-shaped lower cover 12, the middle part ring-type of the shifting shaft 4 is evenly arranged with some swinging plates 41, two Be arranged with a ring-type cleaning wiping cloth 5 on the individual shifting shaft 4, the inner side of the ring-type cleaning wiping cloth 5 be provided with it is some can be with stirring The tendon shape projection 51 that plate 41 engages, the chalk receiver 2 is that groove is box-like and a lid 21 is hingedly connected with the top of it.

Wherein, the end of one of them shifting shaft 4 is connected with a turn lid 42, can be rotated and dialled by turn lid 42 Moving axis 4；The lateral surface of the ring-type cleaning wiping cloth 5 is one kind in both flannelette or felt.

Chalk, can be positioned in chalk receiver 2, work as needs by a kind of multifunctional blackboard eraser that the utility model is mentioned In use, by opening the lid 21, you can take out chalk and use.

And connecting rod is connected between chalk receiver 2 and blackboard eraser back box 1, teacher when in use, can hold chalk Receiver 2, so as to avoid touching blackboard eraser back box 1, can be prevented during blackboard wiping, teacher's palm contamination powder Pen ash, can improve teacher's hand cleaning, on the one hand can protect teacher, on the other hand can prevent from being infected with teacher's hand Chalk dust is infected with books.

The bottom of ring-type cleaning wiping cloth 5 is embedded in inner groovy 121, in wiping process, and play will not occur for bottom, when making After a period of time, the ring-type cleaning wiping cloth 5 in inner groovy 121 is stained with after chalk dust, can be by rotating turn lid 42, the traveling wave wall 41 on shifting shaft 4 can be stirred during being overturn with shifting shaft 4 to be carried on the back positioned at ring-type cleaning wiping cloth 5 The tendon shape projection 51 in face, so that ring-type cleaning wiping cloth 5 starts to do turning annular, until the ring-type for being stained with chalk dust is wiped Cloth 5, can completely into being clean cleaning wiping cloth to the ring-type cleaning wiping cloth 5 in blackboard eraser back box 1, being now placed in inner groovy 121 To be continuing with, after the ring-type cleaning wiping cloth 5 on two sides is stained with chalk dust, you can go to carry out the cleaning of chalk dust, clear During reason, by opening the inverted U-shaped upper lid 11 being fitting to connection and U-shaped lower cover 12.

Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality New spirit and scope are defined.On the premise of the utility model design concept is not departed from, this area ordinary person couple The all variations and modifications that the technical solution of the utility model is made, all should drop into protection domain of the present utility model, this reality With new claimed technology contents, all record in detail in the claims.

Claims (3)

1. a kind of multifunctional blackboard eraser, it is characterised in that：Including blackboard eraser back box (1), chalk receiver (2) and it is connected to black Multiple connecting rods (3) between blackboard eraser back box (1) and chalk receiver (2), it is embedding that the blackboard eraser back box (1) includes interleaved activity Inverted U-shaped upper lid (11) and the U-shaped lower cover (12) of connection are closed, the bottom of the U-shaped lower cover (12) is provided with an inner groovy (121), front and rear sides are respectively arranged with a slotted eye vertical with U-shaped lower cover (12) side plate on the bottom plate of the inner groovy (121), A shifting shaft (4) being connected with U-shaped lower cover (12) side plate, the middle part ring of the shifting shaft (4) are respectively arranged with the slotted eye Shape is evenly arranged with some swinging plates (41), two shifting shafts (4) and is arranged with a ring-type cleaning wiping cloth (5), the ring-type Some tendon shapes that can be engaged with swinging plate (41) are provided with the inside of cleaning wiping cloth (5) raised (51), the chalk receiver (2) It is box-like and be hingedly connected with the top of it lid (21) for groove.

2. a kind of multifunctional blackboard eraser according to claim 1, it is characterised in that：One of them shifting shaft (4) End is connected with a turn lid (42), and shifting shaft (4) can be rotated by turn lid (42).

3. a kind of multifunctional blackboard eraser according to claim 1, it is characterised in that：The outside of the ring-type cleaning wiping cloth (5) Face is one kind in both flannelette or felt.