CN212979684U

CN212979684U - Novel multifunctional blackboard eraser

Info

Publication number: CN212979684U
Application number: CN201822106140.3U
Authority: CN
Inventors: 龙春兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2021-04-16
Anticipated expiration: 2028-12-14

Abstract

The embodiment of the utility model discloses novel multi-functional blackboard eraser, novel multi-functional blackboard eraser includes: the box is stored to dust cleaning box and chalk, the top of dust cleaning box is fixed with the bottom laminating that the box was stored to the chalk, and the dust cleaning box is bottom open-ended cavity cuboid cavity, installs cylindric dust cleaner through the pivot in the dust cleaning box, and the dust cleaner is adjacent to be provided with the dust brush, and the dust brush hair laminates with the dust cleaner surface mutually, the box is collected to the inside both sides limit of dust cleaning box is installed triangular prism form dust, the box is collected to the dust is tangent with the dust cleaner, and the dust cleaner rotates the in-process, and the dust brush is from the dust cleaner surface brush to the dust collection box in, stores many chalks in the chalk storage box, gets through the chalk export and puts the chalk, spills the chalk export and is provided. The utility model provides an in the current blackboard eraser use the dust fly upward influence health and the extravagant problem of chalk.

Description

Novel multifunctional blackboard eraser

Technical Field

The embodiment of the utility model provides a relate to teaching aid field, concretely relates to novel multi-functional blackboard eraser.

Background

Along with the current digitization technology is deepened continuously, more and more schools begin to adopt multimedia equipment for teaching, but due to the special effect of blackboard writing teaching, the blackboard is still a teaching tool commonly used by teachers at present, and a large amount of dust can be generated due to the use of chalks. Traditional blackboard eraser is at the in-process of wiping, can make the dust fly upward, is inhaled the lung easily, causes the damage to the lung, and partial dust stops in upper respiratory tract simultaneously, produces mechanical stimulation and damage to mucous epithelium cell, and in addition, the dust has stronger adsorption efficiency, and many harmful germ attach on the dust and get into the human body, and the initiation colony takes place respiratory disease or other epidemic diseases, and these all can threaten teacher and student's healthy, especially use the teacher that the blackboard writing was carried out to the long-term use and imparts knowledge to students.

In addition, after the traditional blackboard eraser is stained with dust, the blackboard cleaning capability is poor, the dust needs to be removed by forceful beating, the blackboard cleaning capability can be improved, but the blackboard eraser is aggravated in flying of the dust and the service life of the blackboard eraser is shortened by forceful beating. Under the traditional condition, the chalk is placed in the chalk box, students and teachers can take the chalk at will, some students can use the chalk for throwing people for entertainment, the chalk box is easy to overturn during break so that the chalk is broken, and the waste of the chalk is caused.

Some mr can have the condition of revising the corner when carrying out the drawing teaching, and traditional blackboard eraser is because the volume reason can't be wiped the revision to the corner.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a novel multi-functional blackboard eraser to the dust flies upward and influences the problem of health in the current blackboard eraser use of solution.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

in a first aspect of an embodiment of the present invention, a novel multifunctional blackboard eraser is provided, which comprises a dust cleaning box and a chalk storage box, the top of the dust cleaning box is fixedly attached to the bottom of the chalk storage box, the dust cleaning box is a hollow cuboid cavity with an opening at the bottom, a cylindrical dust cleaner is arranged in the dust cleaning box through a rotating shaft, the dust cleaner is adjacently provided with a dust brush, the brush hair of the dust brush is attached to the surface of the dust cleaner, the two sides inside the dust cleaning box are provided with triangular prism-shaped dust collecting boxes which are tangent to the dust cleaner, the dust brush brushes dust from the surface of the dust cleaner into the dust collecting box in the rotation process of the dust cleaner, a plurality of pieces of chalk are stored in the chalk storage box, the chalk is taken and placed through the chalk outlet, and an end cover is arranged outside the chalk outlet to prevent the chalk from leaking.

Preferably, a rotating shaft is arranged in the middle of the dust cleaner, the dust cleaner and the rotating shaft can rotate relatively, two ends of the rotating shaft are respectively and fixedly installed on the side wall of the dust cleaning box, and strong cleaning sponge cloth is wound on the surface of the dust cleaner.

Preferably, the dust brush is fixed in the cavity of the dust cleaning box, the length of the dust brush is the same as that of the dust cleaner, bristles of the dust brush are attached to the dust cleaner, and the dust brush and the side wall of the dust cleaner generate friction in the rotation process of the dust cleaner.

Preferably, the dust collection box is the triangular prism form, and box top opening is collected to the dust, and the dust that sweeps on the dust cleaner gets into the dust collection box from the opening at box top is collected to the dust, and the box end is collected to the dust is provided with the dust and collects the lid, and the lid is collected to the dust and box swivelling joint is collected to the dust.

Preferably, a pushing plate is arranged in the chalk storage box, a spring is arranged between the pushing plate and the side wall of the chalk storage box, rollers are arranged at four corners of the pushing plate, and the rollers are attached to the inner wall of the chalk storage box.

Preferably, a push rod is installed on the side edge of the push plate, a guide rail is installed on the side wall, adjacent to the push rod, of the chalk storage box, a gap with the length being the same as that of the guide rail is formed in the side wall, where the guide rail is located, of the chalk storage box, the push rod penetrates through the gap and is perpendicular to the guide rail, the push rod is connected to the guide rail in a sliding and clamping mode, and the push rod is pulled to enable the push plate to.

Preferably, the chalk storage box is far away from the one end of slurcam and has been seted up the chalk export, installs the end cover outside the chalk export, the end cover passes through hinge swivelling joint with chalk storage box side, installs the bolt on the end cover, corresponds on the chalk storage box and is provided with the jack, and the end cover passes through the bolt and seals up the chalk export with the jack joint.

Preferably, a magnet is mounted at the top outside the chalk storage box, and the magnet and the magnetic blackboard are attracted by magnetic force.

Preferably, the wiping cloth is arranged on the side edge of the outer top of the chalk storage box.

According to the utility model discloses an embodiment, novel multi-functional blackboard eraser has following advantage:

the embodiment of the utility model discloses novel multi-functional blackboard eraser, novel multi-functional blackboard eraser includes that the chalk stores box and dust cleaning box, roll through dust cleaner and clean the blackboard in the dust cleaning box, it is inside to be drawn into dust cleaning box with the dust, brush into the dust through the dust and collect the box in, prevent that the dust from flying upward, it causes harm to health to get into human lung, store many chalks in the chalk storage box simultaneously, improve the utilization ratio and the use convenience of chalk, it is extravagant to prevent the chalk, wiping cloth on the chalk storage box helps to clean the corner of writing to the chalk and revises, improve the practicality of blackboard eraser.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a perspective structural view of a novel multifunctional blackboard eraser according to an embodiment of the present invention;

fig. 2 is a left side view of a novel multifunctional blackboard eraser according to an embodiment of the present invention;

fig. 3 is a side view of a novel multifunctional blackboard eraser according to an embodiment of the present invention;

in the figure: 1-a substrate; 2-dust cleaner; 3-dust brush; 4-a dust collection box; 5-dust collection box cover; 6-a roller; 7-chalk storage box; 8-dust cleaning box; 12-chalk outlet; 13-end cap; 131-a latch; 14-a jack; 15-a guide rail; 16-a spring; 17-a pushing plate; 171-a push rod; 18-a magnet; 19-a wiping cloth; 21-rotating shaft.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Examples

Referring to fig. 1, the present embodiment discloses a novel multifunctional blackboard eraser, the novel multifunctional blackboard eraser base body 1 includes: dust cleaning box 8 and chalk store box 7, the top of dust cleaning box 8 is fixed with the bottom laminating that box 7 was stored to the chalk, dust cleaning box 8 is bottom open-ended cavity cuboid cavity, installs cylindric dust cleaner 2 through pivot 21 in the dust cleaning box 8, dust cleaner 2 is adjacent to be provided with dust brush 3, and the brush hair of dust brush 3 is laminated with dust cleaner 2 surfaces mutually, the inside both sides limit of dust cleaning box 8 is installed the bar dust and is collected box 4, box 4 is collected to the dust and dust cleaner 2 is tangent, and dust cleaner 2 rotates the in-process, and dust brush 3 is brushed the dust from dust cleaner 2 surfaces to the dust and is collected in the box 4.

Be provided with pivot 21 in the middle of dust cleaner 2, dust cleaner 2 can revolute pivot 21 and rotate, and fixed mounting is on the lateral wall of dust cleaning box 8 respectively at the both ends of

pivot

21, and 2 surface winding of dust cleaner have powerful clean sponge cloth, in the use, roll dust cleaner 2 on the blackboard surface, and powerful clean sponge cloth wipes the chalk writing off, dust brush 3 is fixed in 8 cavities of dust cleaning box, and dust brush 3 is the same with 2 length of dust cleaner, and the brush hair of dust brush 3 laminates with dust cleaner 2 mutually, and dust cleaner 2 rotates the in-process, and dust brush 3 produces the friction with 2 lateral walls of dust cleaner, and the dust on the dust cleaner 2 is brushed off by dust brush 3.

Referring to fig. 2, dust collection box 4 is the triangular prism form, and 4 open-top of box is collected to the dust, and the dust that sweeps on the dust cleaner 2 gets into dust collection box 4 from the opening at 4 tops of dust collection box, and 4 tip of dust collection box are provided with dust collection box lid 5, and dust collection box lid 5 and 4 swivelling joint of dust collection box are opened dust collection box lid 5 and are poured the dust after dust collection in the box 4 is collected to the dust, carry out innocent treatment, prevent that the dust from flying upward.

Referring to fig. 3, a push plate 17 is arranged in the chalk storage box 7, a spring 16 is arranged between the push plate 17 and the side wall of the chalk storage box 7, rollers 6 are arranged at four corners of the push plate 17, the rollers 6 are attached to the inner wall of the chalk storage box 7, a push rod 171 is arranged on the side edge of the push plate 17, a guide rail 15 is arranged on the side wall of the chalk storage box 7 adjacent to the push rod 171, a gap with the same length as the guide rail 15 is formed in the side wall of the chalk storage box 7 where the guide rail 15 is located, the push rod 171 penetrates through the gap and is perpendicular to the guide rail 15, the push rod 171 is slidably clamped on the guide rail 15, the push rod 171 is pulled to enable the push plate 17 to slide along the guide rail 15, and a chalk outlet 12;

in the process of loading chalk into the chalk storage box 7, the push rod 171 is pulled to enable the push plate 17 to compress the spring 16, so that the storage space in the chalk storage box 7 is enlarged, chalk is inserted inwards from the chalk outlet 12 to enable the chalk to enter the chalk storage box 7, the push rod 171 is loosened after the chalk storage box 7 is filled with the chalk, the push plate 17 extrudes the chalk under the action of the elastic force of the spring 16, so that the chalk is clamped in the chalk storage box 7, the end cover 13 is installed outside the chalk outlet 12, the end cover 13 is rotationally connected with the side edge of the chalk storage box 7 through a hinge, the end cover 13 is provided with a bolt 131, the chalk storage box 7 is correspondingly provided with a jack 14, and the end cover 13 is connected with the jack 14 in a.

When the chalk is taken out, the end cover 13 is opened, the push rod 171 is pulled, the push plate 17 does not extrude the chalk any more, the chalk is poured out from the chalk outlet 12, the end cover 13 is closed after the chalk is taken out, and the chalk outlet 12 is sealed.

Magnet 18 is installed at the outer top of chalk storage box 7, and magnet 18 attracts mutually through magnetic force with the magnetism blackboard, when the blackboard eraser does not use, adsorbs on the blackboard, the receiver reuse of being convenient for, be provided with on the outer top side of chalk storage box 7 and wipe cloth 19, accessible wipes cloth 19 opposite side angle when needing to clean the corner of writing, is convenient for revise, and easy damaged 2 accessible of roll dust cleaner take off 2 pivots 21 of roll dust cleaner change simultaneously, has prolonged the live time of blackboard eraser.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a novel multi-functional blackboard eraser, its characterized in that, novel multi-functional blackboard eraser base member (1) includes: dust cleaning box (8) and chalk storage box (7), the top of dust cleaning box (8) is fixed with the bottom laminating that the chalk stored box (7), dust cleaning box (8) is bottom open-ended cavity cuboid cavity, installs cylindric dust cleaner (2) through pivot (21) in the dust cleaning box (8), dust cleaner (2) adjacent be provided with dust brush (3), and the brush hair of dust brush (3) is laminated with dust cleaner (2) surface mutually, triangular prism form dust collection box (4) is installed to dust cleaning box (8) inside both sides limit, dust collection box (4) are tangent with dust cleaner (2), and in dust cleaner (2) rotation process, dust brush (3) brushes the dust from dust cleaner (2) surface to in the dust collection box (4), store many chalks in the chalk storage box (7), be provided with catch plate (17) in chalk storage box (7), install spring (16) between the lateral wall of catch plate (17) and chalk storage box (7), gyro wheel (6) are installed to the four corners of catch plate (17), and gyro wheel (6) laminate mutually with chalk storage box (7) inner wall, get through chalk export (12) and put the chalk, and chalk export (12) are provided with end cover (13) outward and prevent that the chalk from spilling, be provided with on chalk storage box (7) outside top side and wipe cloth (19).

2. The novel multifunctional blackboard eraser as claimed in claim 1, wherein a rotating shaft (21) is provided in the middle of the dust cleaner (2), the dust cleaner (2) and the rotating shaft (21) can rotate relatively, both ends of the rotating shaft (21) are respectively fixedly mounted on the side walls of the dust cleaning box (8), and a strong cleaning sponge cloth is wound on the surface of the dust cleaner (2).

3. The novel multifunctional blackboard eraser as claimed in claim 1, wherein the dust brush (3) is fixed in the cavity of the dust cleaning box (8), the length of the dust brush (3) is the same as that of the dust cleaner (2), the bristles of the dust brush (3) are attached to the dust cleaner (2), and the dust cleaner (2) rotates, so that the dust brush (3) and the side wall of the dust cleaner (2) generate friction.

4. The novel multifunctional blackboard eraser as claimed in claim 1, wherein the dust collection box (4) is in a triangular prism shape, the top of the dust collection box (4) is open, dust swept down by the dust cleaner (2) enters the dust collection box (4) from the opening at the top of the dust collection box (4), the end of the dust collection box (4) is provided with a dust collection box cover (5), and the dust collection box cover (5) is rotatably connected with the dust collection box (4).

5. The novel multifunctional blackboard eraser as claimed in claim 1, wherein the push rod (171) is mounted on a side edge of the push plate (17), the guide rail (15) is mounted on a side wall of the chalk storage box (7) adjacent to the push rod (171), a gap with the same length as the guide rail (15) is formed in the side wall of the chalk storage box (7) where the guide rail (15) is located, the push rod (171) penetrates through the gap and is perpendicular to the guide rail (15), the push rod (171) is slidably clamped on the guide rail (15), and the push plate (17) is slid along the guide rail (15) by pulling the push rod (171).

6. The novel multifunctional blackboard eraser as claimed in claim 1, wherein a chalk outlet (12) is opened at one end of the chalk storage box (7) far away from the push plate (17), an end cover (13) is installed outside the chalk outlet (12), the end cover (13) is rotatably connected with the side edge of the chalk storage box (7) through a hinge, a bolt (131) is installed on the end cover (13), a jack (14) is correspondingly arranged on the chalk storage box (7), and the end cover (13) is clamped with the jack (14) through the bolt (131) to seal the chalk outlet (12).

7. The novel multifunctional blackboard eraser as claimed in claim 1, wherein a magnet (18) is mounted on the top outside the chalk storage box (7), and the magnet (18) and the magnetic blackboard are attracted by magnetic force.