CN211684401U

CN211684401U - Novel blackboard eraser

Info

Publication number: CN211684401U
Application number: CN201922464540.6U
Authority: CN
Inventors: 何莹莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-16
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a novel blackboard eraser, which comprises a blackboard eraser body, a magnet, a hinge, a lower blackboard eraser box, a cleaning sponge, a chute, a slide block, a screwing nut, a connecting frame, a cleaning brush, a groove, a movable block, a spice bag, a plastic box block, a protective net and a pull handle, compared with the prior art, the surface of the blackboard eraser body and the surface of the lower blackboard eraser box are respectively provided with the magnet, the bottom of the blackboard eraser body and the bottom of the lower blackboard eraser box are both provided with the cleaning sponge, the bottom of the blackboard eraser body and the top of the lower blackboard eraser box are connected through the hinge, the left side and the right side of the lower blackboard eraser box are respectively provided with the chute, the novel blackboard eraser has the advantages that the novel blackboard eraser has simple structure and convenient use, the wavy cleaning sponge can increase the contact area, the cleaning sponge can adsorb dust when the blackboard is erased after being wetted by cleaning water, the cleaning, and the perfume in the plastic box can refresh, which provides a good teaching environment for students and teachers.

Description

Novel blackboard eraser

Technical Field

The utility model relates to a blackboard eraser especially relates to a novel blackboard eraser.

Background

The blackboard eraser is composed of an erasing surface, a shell and a brush, wherein the erasing surface is of an annular belt structure, and the structure can ensure that the dust collection and the dust sweeping are respectively carried out inside and outside the shell, thereby ensuring that the dust is not easy to fly, and having the advantages of high dust collection rate and easy use and manufacture.

The current blackboard eraser has too single function, can only realize the function of wiping dust generally, but can generate a large amount of dust in the air in the blackboard wiping process in class, which seriously damages the health of students, and the overlong class time can cause the fatigue of teachers, seriously influences the class efficiency, and the dust on the surfaces of cleaning sponge and the blackboard eraser body is not easy to clear.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel blackboard eraser to solve the problem that proposes among the above-mentioned background art.

The utility model aims at realizing through the following technical scheme: the utility model provides a novel blackboard eraser, includes blackboard eraser body, magnet, hinge, lower blackboard eraser box, clean sponge, spout, slider, revolves to twist nut, link, cleaning brush, recess, movable block, spice package, protecting wire net, pull handle, its characterized in that: the surfaces of the blackboard eraser body and the lower blackboard eraser box are respectively provided with a magnet, the bottom parts of the blackboard eraser body and the lower blackboard eraser box are both provided with cleaning sponge, the bottom end of the blackboard eraser body is connected with the top end of the lower blackboard eraser box through a hinge, the left side and the right side of the lower blackboard eraser box are respectively provided with a chute, a sliding block is arranged in the sliding groove, the sliding block is connected with a connecting frame through a screwing nut, the bottom end of the connecting frame is connected with a fixed plate, the fixed plate is provided with a cleaning brush, the brush hair of the cleaning brush is positioned on the lower surface of the cleaning sponge, a groove is arranged in the right side of the blackboard eraser body, a movable block is arranged in the groove, a spice bag is arranged on the movable block, and the movable block bottom and pull handle body coupling, the conch wall of the blackboard eraser body of spice bag top has the through-hole, install the protection net on the through-hole, the protection net specifically is stainless steel wire netting.

Furthermore, the bottom surface of the cleaning sponge is wavy, and the cleaning sponge is loose and porous.

Furthermore, the inner aperture of the cleaning sponge on the blackboard eraser body is 2-2.5 mm, and the inner aperture of the cleaning sponge on the lower blackboard eraser box is 3-3.5 mm.

Furthermore, two rotating check blocks are installed at the opening of the groove.

Compared with the prior art, the beneficial effects of the utility model are that this novel blackboard eraser can realize better dust removal effect, can also adsorb the dust in the air, reduces mr and classmate simultaneously and to the suction of dust, the fragrance that the spices package gave out can also reach refreshing's effect, and the device still is equipped with the cleaning brush moreover, the dust on the clean sponge surface of processing that can be better.

Drawings

FIG. 1 is the overall effect diagram of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a side view of the present invention;

in the figure: 1. the blackboard eraser comprises a blackboard eraser body, a magnet, a hinge, a lower blackboard eraser box, a cleaning sponge, a sliding groove, a sliding block, a rotating nut, a connecting frame, a cleaning brush, a groove, a movable block, a spice bag, a protecting net, a pull handle and a connecting frame, wherein the blackboard eraser body comprises 2 parts, a magnet and 3 parts, a hinge, 4 parts, the lower blackboard eraser box comprises 5 parts, a cleaning sponge, 6 parts, a sliding groove and 7 parts, the sliding block comprises.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, which are only a part of the embodiments of the present invention, not all embodiments, and therefore, based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the blackboard eraser comprises a blackboard eraser body 1, a magnet 2, a hinge 3, a lower blackboard eraser box 4, a cleaning sponge 5, a chute 6, a sliding block 7, a screwing nut 8, a connecting frame 9, a cleaning brush 10, a groove 11, a movable block 12, a spice bag 13, a protection net 14 and a pull handle 15, wherein the surfaces of the blackboard eraser body 1 and the lower blackboard eraser box 14 are respectively provided with the magnet, the bottom parts of the blackboard eraser body 1 and the lower blackboard eraser box 4 are respectively provided with the cleaning sponge 5, the bottom end of the blackboard eraser body 1 and the top end of the lower blackboard eraser box 4 are connected through the hinge 3, the left side and the right side of the lower blackboard eraser box 4 are respectively provided with the chute 6, the chute 6 is internally provided with the sliding block 7, the sliding block 7 is connected with the connecting frame 9 through the screwing nut 8, the nut is loosened when the blackboard eraser is used, the blackboard eraser can be screwed and fixed when the blackboard eraser is not used, the bottom end of the, the built-in recess 11 in 1 right side of blackboard eraser body, be equipped with movable block 12 in the recess 11, install spice bag 13 on the movable block 12, and movable block 12 bottom and pull handle 15 body coupling, the conch wall of blackboard eraser body 1 of spice bag 13 top is opened there is the through-hole, install protection network 14 on the through-hole, protection network 14 specifically is the stainless steel wire netting, 5 bottom surfaces of clean sponge specifically be the wave, and clean sponge 5 specifically is loose porous structure, 5 inside apertures of clean sponge on the blackboard eraser body 1 be 2-2.5 millimeters, 5 inside apertures of clean sponge on the blackboard eraser box 4 are 3-3.5 millimeters down. Two rotary stop blocks are arranged at the opening of the groove 11.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel blackboard eraser comprises a blackboard eraser body (1), a magnet (2), a hinge (3), a lower blackboard eraser box (4), cleaning sponge (5), a sliding groove (6), a sliding block (7), a screwing nut (8), a connecting frame (9), a cleaning brush (10), a groove (11), a movable block (12), a spice bag (13), a protective net (14) and a pull handle (15), and is characterized in that the surfaces of the blackboard eraser body (1) and the lower blackboard eraser box (4) are respectively provided with the magnet, the bottoms of the blackboard eraser body (1) and the lower blackboard eraser box (4) are respectively provided with the cleaning sponge (5), the bottom of the blackboard eraser body (1) and the top of the lower blackboard eraser box (4) are connected through the hinge (3), the left side and the right side of the lower blackboard eraser box (4) are respectively provided with the sliding groove (6), the sliding block (7) is arranged in the sliding groove (6), and the sliding block (7) is connected with the connecting frame (9) through the screwing nut (, link (9) bottom is connected with the fixed plate, install cleaning brush (10) on the fixed plate, the brush hair of cleaning brush (10) is located the lower surface of clean sponge (5), blackboard eraser body (1) right side embeds recess (11), be equipped with movable block (12) in recess (11), install spice bag (13) on movable block (12), and movable block (12) bottom and pull handle (15) body coupling, the conch wall of blackboard eraser body (1) of spice bag (13) top is opened there is the through-hole, install protecting screen (14) on the through-hole, protecting screen (14) specifically are stainless steel wire netting.

2. The new blackboard eraser according to claim 1, characterized in that: the bottom surface of the cleaning sponge (5) is wave-shaped, and the cleaning sponge (5) is of a loose and porous structure.

3. The new blackboard eraser according to claim 1, characterized in that: the inner hole diameter of the cleaning sponge (5) on the blackboard eraser body (1) is 2-2.5 mm, and the inner hole diameter of the cleaning sponge (5) on the lower blackboard eraser box (4) is 3-3.5 mm.

4. The new blackboard eraser according to claim 1, characterized in that: two rotary stop blocks are arranged at the opening of the groove (11).