CN210502030U

CN210502030U - Blackboard eraser for collecting small-particle chalk dust

Info

Publication number: CN210502030U
Application number: CN201921373038.8U
Authority: CN
Inventors: 王洪强; 梁霄; 贺帆; 邓莉佳; 李燕蓉
Original assignee: Guilin University of Technology
Current assignee: Guilin University of Technology
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-12
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a be used for entrapment tiny particle chalk dust blackboard eraser, including the blackboard eraser main part, the inside of blackboard eraser main part is provided with chalk placement machine and constructs, the upper end surface of blackboard eraser main part is provided with the end cover, the both sides surface of blackboard eraser main part all is provided with the fastener, the lower extreme surface of blackboard eraser main part is provided with cleans cotton piece. A be used for entrapment tiny particle chalk dust blackboard eraser, be equipped with a dust and collect mechanism and chalk placement machine and construct, can be when cleaning the blackboard, play the effect of accomodating to the dust, prevent that the dust from blowing people's nasal cavity, certain guarantee has been played to people's health, make things convenient for people to use, and can be convenient for accomodate the chalk, can also prevent to use the chalk, cause harm to the hand, certain guard action has been played to people's hand, people's use of being convenient for brings better use prospect.

Description

Blackboard eraser for collecting small-particle chalk dust

Technical Field

The utility model relates to a teaching aid field, in particular to be used for entrapment tiny particle chalk dust blackboard eraser.

Background

The chalk dust blackboard eraser mainly wipes chalk characters on a blackboard, can effectively adsorb chalk dust, and plays an important role in teaching.

The existing blackboard eraser has certain defects when in use, firstly, in the use process, after the blackboard eraser is used for erasing to a certain degree, the chalk dust can fall off, the storage is inconvenient, the chalk dust can easily enter the respiratory tract of people, the health of people is influenced, certain adverse effects are realized, secondly, the use function of the blackboard eraser is single, only single chalk dust wiping can be realized, the chalk can not be stored, certain adverse effects are realized, certain effects are brought to the use process of people, and therefore, the blackboard eraser for collecting the small-particle chalk dust is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a be arranged in entrapment tiny particle chalk dust blackboard eraser can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the blackboard eraser for collecting small-particle chalk dust comprises a blackboard eraser main body, a chalk placing mechanism is arranged inside the blackboard eraser main body, an end cover is arranged on the outer surface of the upper end of the blackboard eraser main body, fasteners are arranged on the outer surfaces of two sides of the blackboard eraser main body, a wiping cotton block is arranged on the outer surface of the lower end of the blackboard eraser main body, and a chalk dust collecting mechanism is arranged on the outer surfaces of two ends of the blackboard eraser main body.

The storage box is mainly used for storing the pen dust.

The fastening shaft and the fastening piece mainly play a role in fastening and fixing.

The wiping cotton block mainly has the function of wiping the pen dust.

Preferably, the chalk dust collecting mechanism comprises a baffle, a handle and a storage box, the storage box is arranged on the outer surface of the upper end of the chalk dust collecting mechanism, the baffle is arranged inside the chalk dust collecting mechanism, and the handle is arranged on the outer surface of the front end of the baffle.

Preferably, the chalk placing mechanism comprises a fastening shaft and a chalk sleeve, the chalk sleeve is arranged inside the chalk placing mechanism, and the fastening shaft is arranged on the outer surface of the upper end of the chalk placing mechanism.

Preferably, the outer surfaces of the two sides of the baffle are connected with the inner part of the pen dust collecting mechanism in a sliding mode through sliding grooves, and an epoxy resin layer is arranged on the outer surface of the handle.

Preferably, the chalk sleeves are four in number, the fastening shafts are round and flat-head cross grooves, the processing technology is antioxidant processing, and the interior of the chalk placement mechanism is movably connected with the outer surface of the rear end of the chalk sleeve through a connecting groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the blackboard eraser for collecting small-particle chalk dust can intercept falling chalk dust through the U-shaped shape of the chalk dust collecting mechanism when the chalk dust is wiped, then the chalk dust enters the containing box, when the chalk dust is collected to a certain degree, the baffle plate and the inner part of the chalk dust collecting mechanism can be closed through the handle to prevent the chalk dust from falling outside, the chalk dust can be effectively prevented from entering the nasal cavity of people, certain guarantee is provided for the health of people, the blackboard eraser is beneficial to people to use, the end cover on the blackboard eraser main body can be opened firstly through the arranged chalk placing mechanism, then the chalk is sleeved in the chalk sleeve to take the chalk, when the blackboard eraser is used, the fastening shaft on the chalk placing mechanism is only unscrewed to take the chalk sleeve down, and a certain protection effect is provided for the hands of people when in writing, the whole blackboard eraser for collecting small-particle chalk dust is simple in structure, convenient to operate and better in using effect compared with the traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of the blackboard eraser for collecting small-particle chalk dust according to the present invention.

Fig. 2 is a schematic structural diagram of a chalk dust collecting mechanism 2 in fig. 1 for collecting small-particle chalk dust of the blackboard eraser of the present invention.

Fig. 3 is a schematic structural diagram of a chalk placing mechanism 3 in fig. 1 for trapping small-particle chalk dust in the blackboard eraser of the present invention.

In the figure: 1. a blackboard eraser main body; 2. a chalk dust collecting mechanism; 201. a baffle plate; 202. a handle; 203. a storage box; 3. a chalk placing mechanism; 301. fastening the shaft; 302. a chalk sleeve; 4. an end cap; 5. a fastener; 6. the cotton block was wiped.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, the blackboard eraser for collecting small-particle chalk dust comprises a blackboard eraser body 1, a chalk placing mechanism 3 is arranged inside the blackboard eraser body 1, an end cover 4 is arranged on the outer surface of the upper end of the blackboard eraser body 1, fasteners 5 are arranged on the outer surfaces of two sides of the blackboard eraser body 1, a wiping cotton block 6 is arranged on the outer surface of the lower end of the blackboard eraser body 1, and a chalk dust collecting mechanism 2 is arranged on the outer surfaces of two ends of the blackboard eraser body 1.

The upper end surface that mechanism 2 was collected to the ash of a writing brush was provided with receiver 203, the inside that mechanism 2 was collected to the ash of a writing brush was provided with baffle 201, the front end surface of baffle 201 is provided with handle 202, can be when wiping the ash of a writing brush, the U type shape of collecting mechanism 2 through the ash of a writing brush intercepts the ash of whereabouts, then make it get into in the receiver 203, when the ash of a writing brush is collected certain, can collect 2 inside closures of mechanism with baffle 201 and ash of a writing brush through handle 202, prevent that the ash of a writing brush from dropping outward, can prevent effectively that the ash of a writing brush from getting into people's nasal cavity, certain guarantee has been played to people's health.

The inside of chalk placement mechanism 3 is provided with chalk cover 302, and the upper end surface of chalk placement mechanism 3 is provided with fastening shaft 301, can imbed the chalk in chalk cover 302, plays the effect of accomodating to the chalk, and when using, only with unscrewing fastening shaft 301 on the chalk placement mechanism 3, take chalk cover 302 down, played certain guard action to people's hand when writing.

The utility model discloses theory of operation and use flow: when the blackboard eraser is used, only the blackboard eraser main body 1 is held to erase a blackboard through the erasing cotton block 6, small-particle dust can be trapped, when the blackboard eraser is erased, falling pen dust can be intercepted through the U-shaped shape of the pen dust collecting mechanism 2 and then enters the storage box 203, when the pen dust is collected to a certain extent, the baffle 201 and the interior of the pen dust collecting mechanism 2 can be closed through the handle 202 to prevent the pen dust from falling out, the pen dust can be effectively prevented from entering the nasal cavity of people, certain guarantee is provided for the health of people, in order to increase the practical function of the blackboard eraser main body 1, the end cover 4 on the blackboard eraser main body 1 can be opened firstly, then chalk is embedded into the chalk sleeve 302 to take in the chalk, when the blackboard eraser is used, only the fastening shaft 301 on the chalk placing mechanism 3 is unscrewed to take the chalk sleeve 302 down, a certain protection effect is provided for hands of people when in writing, is beneficial to people to use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A blackboard eraser for collecting small-particle chalk dust comprises a blackboard eraser main body (1) and is characterized in that: the blackboard eraser is characterized in that a chalk containing mechanism (3) is arranged inside the blackboard eraser main body (1), an end cover (4) is arranged on the outer surface of the upper end of the blackboard eraser main body (1), fasteners (5) are arranged on the outer surfaces of the two sides of the blackboard eraser main body (1), a wiping cotton block (6) is arranged on the outer surface of the lower end of the blackboard eraser main body (1), and a chalk dust collecting mechanism (2) is arranged on the outer surfaces of the two ends of the blackboard eraser main body (1).

2. The blackboard eraser for trapping small-particle chalk dust according to claim 1, wherein: the chalk dust collecting mechanism (2) comprises a baffle (201), a handle (202) and a storage box (203), the outer surface of the upper end of the chalk dust collecting mechanism (2) is provided with the storage box (203), the baffle (201) is arranged inside the chalk dust collecting mechanism (2), and the outer surface of the front end of the baffle (201) is provided with the handle (202).

3. The blackboard eraser for trapping small-particle chalk dust according to claim 1, wherein: the chalk placing mechanism (3) comprises a fastening shaft (301) and a chalk sleeve (302), the chalk sleeve (302) is arranged inside the chalk placing mechanism (3), and the fastening shaft (301) is arranged on the outer surface of the upper end of the chalk placing mechanism (3).

4. The blackboard eraser for trapping small-particle chalk dust according to claim 2, wherein: the outer surface of the two sides of the baffle (201) is connected with the inner sliding part of the chalk dust collecting mechanism (2) through a sliding groove, and an epoxy resin layer is arranged on the outer surface of the handle (202).

5. A blackboard eraser for trapping small particles of chalk dust according to claim 3, wherein: the chalk sleeve (302) is four groups in number, the fastening shaft (301) is a round and flat-head cross groove in specification, the processing technology is antioxidant processing, and the interior of the chalk placing mechanism (3) is movably connected with the outer surface of the rear end of the chalk sleeve (302) through a connecting groove.