CN218257474U

CN218257474U - Quick blackboard eraser

Info

Publication number: CN218257474U
Application number: CN202222102336.1U
Authority: CN
Inventors: 赵允珠
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-01-10
Anticipated expiration: 2032-08-10

Abstract

The utility model belongs to the technical field of the blackboard eraser technique and specifically relates to a swift blackboard eraser, including blackboard eraser casing and cleaning plate, the inside chamber that holds that is provided with the opening towards the bottom of blackboard eraser casing, cleaning plate passes through fixed establishment demountable installation and holds the intracavity, be provided with on the blackboard eraser casing and be used for cleaning the ash mechanism of scraping of chalk dust on the cleaning plate, it includes spout, slider, mounting panel, telescopic component, fixed plate, scraper blade and second handle to scrape the ash mechanism, the utility model discloses a what set up, through second handle pulling fixed plate, and the mounting panel passes through slider and spout sliding connection with the blackboard eraser casing for can drive the scraper blade along casing length direction reciprocating motion, thereby strike off the chalk dust of adhesion on the cleaning plate fast through the scraper blade, need cause the in the prior art chalk dust in disorder problem through artifical the patting.

Description

Quick blackboard eraser

Technical Field

The utility model relates to a blackboard eraser technical field specifically is a swift blackboard eraser.

Background

In the traditional teaching process, a teacher usually uses chalk to write on a blackboard, and the blackboard can be cleaned by erasing the chalk through the blackboard eraser, so that the blackboard is convenient for writing next time, and therefore, the blackboard eraser is an indispensable tool in the traditional teaching.

Blackboard eraser structure among the prior art is a blackboard eraser shell internally mounted has the cleaning plate, clean the chalk word on the blackboard through the cleaning plate, after the cleaning plate uses a period, the more chalk dust of adhesion on the cleaning plate and reduce the effect that the cleaning plate wiped the chalk word, the chalk dust that need on the cleaning plate is got rid of, at present most take the blackboard eraser to pat on the wall through the user of service hand, lead to the problem that the chalk dust can appear flying in disorder, it can cause the injury to the health to be inhaled by people, consequently, need a swift blackboard eraser to make the improvement to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above object, the utility model provides a following technical scheme:

a quick blackboard eraser comprises a blackboard eraser shell and a wiping plate, wherein an accommodating cavity with an opening facing to the bottom is formed in the blackboard eraser shell, the wiping plate is detachably mounted in the accommodating cavity through a fixing mechanism, and an ash scraping mechanism used for cleaning chalk ash on the wiping plate is arranged on the blackboard eraser shell;

scrape grey mechanism and include spout, slider, mounting panel, flexible subassembly, fixed plate, scraper blade and second handle, the front end both ends of blackboard eraser casing all are provided with the spout along length direction, slider sliding connection is in the spout, mounting panel fixed mounting in on the slider, flexible subassembly rotate connect in on the slider, the fixed plate sets up two sets of between the fixed plate, the scraper blade is installed the fixed plate is close to the cleaning plate, the second handle is installed the fixed plate opposite side.

Preferably, flexible subassembly includes sleeve, telescopic link, limiting plate and second spring, telescopic link one end activity is pegged graft and is in the sleeve and fixedly connected with limiting plate, just be located between limiting plate and the sleeve inner wall the telescopic link outside cover is equipped with the second spring, telescopic one end and fixed plate fixed connection are kept away from to the telescopic link, the sleeve rotate connect in on the mounting panel.

Preferably, one side of the mounting plate close to the fixing mechanism is fixedly connected with a baffle plate, and the baffle plate is used for limiting the rotation angle of the sleeve.

Preferably, a clamping groove for clamping the scraper is formed in one side, far away from the fixing mechanism, of the blackboard eraser shell.

Preferably, the fixing mechanism comprises a movable plate, a movable rod, a first spring, a connecting plate, a first handle and a first bolt, wherein the movable plate is movably arranged in the accommodating cavity, the movable rod is fixedly connected with the movable rods at two ends of one side of the cleaning plate and two ends of the movable plate, far away from the movable plate, penetrate through the blackboard eraser shell and are connected with the connecting plate together, the first handle is arranged on the connecting plate, and the movable plate and the accommodating cavity are arranged between the inner wall of the accommodating cavity and are sleeved with the first spring.

Preferably, the two ends of the movable plate close to one side of the wiping plate are fixedly connected with first bolts, and one side of the wiping plate close to the fixing mechanism is provided with first jacks corresponding to the first bolts in position and used for inserting the first bolts.

Preferably, the accommodating cavity is far away from a second bolt is fixedly connected to the inner wall of the fixing mechanism, and a second jack, which corresponds to the second bolt in position and is used for inserting the second bolt, is formed in one side, far away from the fixing mechanism, of the wiping plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the embodiment of the utility model provides an in swift blackboard eraser, through the ash scraping mechanism that sets up, through second handle pulling fixed plate, and the mounting panel passes through slider and spout sliding connection with the blackboard eraser casing for can drive the scraper blade along blackboard eraser casing length direction reciprocating motion, thereby strike off fast through the chalk dust of scraper blade adhesion on with the cleaning plate, need beat through the manual work among the avoiding prior art, cause the indiscriminate problem that flies of chalk dust.

2. The embodiment of the utility model provides an in fixed establishment can fix the cleaning plate and hold the intracavity, prevents that the cleaning plate from holding the intracavity and droing in the use, and the dismouting of being convenient for cleaning plate through fixed establishment is changed convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of a quick blackboard eraser of the present invention;

fig. 2 is a top sectional view of the quick blackboard eraser of the present invention;

fig. 3 is a cross-sectional view of the retractable assembly of the fast blackboard eraser of the present invention.

In the figure: 1. a blackboard eraser housing; 11. an accommodating chamber; 2. wiping the board; 21. a first jack; 22. a second jack; 3. a fixing mechanism; 31. moving the plate; 32. a travel bar; 33. a first spring; 34. a connecting plate; 35. a first handle; 36. a first bolt; 4. a dust scraping mechanism; 41. a chute; 42. a slider; 43. mounting a plate; 431. a baffle plate; 44. a telescopic assembly; 441. a sleeve; 442. a telescopic rod; 443. a limiting plate; 444. a second spring; 45. a fixing plate; 46. a squeegee; 47. a second handle; 5. a card slot; 6. a second latch.

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, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and 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 based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-3, an embodiment of the present invention provides a quick blackboard eraser, which includes a blackboard eraser housing 1 and a wiping plate 2, a containing cavity 11 with an opening facing the bottom is disposed inside the blackboard eraser housing 1, the wiping plate 2 is detachably mounted in the containing cavity 11 through a fixing mechanism 3, in this embodiment, when the wiping plate 2 is fixed in the containing cavity 11, a part of the wiping plate 2 extends out of the containing cavity 11, so that the wiping plate 2 can wipe chalk characters on a blackboard, wherein both sides of the blackboard eraser housing 1 are provided with anti-slip stripes, friction force in contact with hands is increased, it is avoided that a user grasps the blackboard eraser housing 1 to wipe, and the blackboard eraser housing 1 is provided with an ash scraping mechanism 4 for cleaning chalk ash on the wiping plate 2;

to further disclose the dust scraping mechanism 4, as shown in fig. 1, in the present embodiment, the dust scraping mechanism 4 includes a sliding groove 41, a sliding block 42, a mounting plate 43, a telescopic assembly 44, a fixing plate 45, a scraping plate 46 and a second handle 47, the sliding groove 41 is disposed along the length direction at both ends of the front end of the blackboard eraser housing 1, the sliding block 42 is slidably connected in the sliding groove 41, the mounting plate 43 is fixedly mounted on the sliding block 42, the telescopic assembly 44 is rotatably connected to the sliding block 42, the fixing plate 45 is disposed between the two fixing plates 45, the scraping plate 46 is mounted on the fixing plate 45 close to the wiping plate 2, the second handle 47 is mounted on the other side of the fixing plate 45, after the wiping plate 2 is used for a period of time, more chalk dust adheres to the wiping plate 2, so as to reduce the effect of wiping chalk characters of the wiping plate 2, at this time, the fixing plate 45 can be pulled by the second handle 47, and the mounting plate 43 and the blackboard eraser housing 1 are slidably connected by the sliding block 42 and the sliding groove 41, so that the scraping plate 46 can be driven to reciprocate along the length direction of the blackboard eraser housing 1, thereby quickly scraping the chalk dust adhered to the wiping plate 2 by the scraping plate 46, and avoiding the problem that the chalk dust adhered to fly by manual beating in the prior art.

Specifically, as shown in fig. 1 and fig. 3, in the present embodiment, the telescopic assembly 44 includes a sleeve 441, a telescopic rod 442, a limiting plate 443 and a second spring 444, one end of the telescopic rod 442 is movably inserted into the sleeve 441 and is fixedly connected to the limiting plate 443, the second spring 444 is sleeved between the limiting plate 443 and the inner wall of the sleeve 441 and located outside the telescopic rod 442, one end of the telescopic rod 442 away from the sleeve 441 is fixedly connected to the fixing plate 45, the sleeve 441 is rotatably connected to the mounting plate 43, when the chalk dust on the wiping plate 2 is wiped off, the telescopic rod 442 is movably inserted into the sleeve 441, so that the overall length of the telescopic assembly 44 is adjustable, and under the action of the second spring 444, the scraper 46 is tightly attached to the wiping plate 2, thereby improving the effect of the scraper 46 in wiping off the chalk dust.

As shown in fig. 1, in this embodiment, a baffle 431 is fixedly connected to a side of the mounting plate 43 close to the fixing mechanism 3, and the baffle 431 is used to limit a rotation angle of the sleeve 441, so that the telescopic assembly 44 is in a vertical state when scraping chalk dust, and the influence on the effect of the scraper 46 in scraping chalk dust due to an excessively large rotation angle of the telescopic assembly 44 is avoided.

As shown in fig. 1, in this embodiment, a slot 5 for a scraper 46 to be inserted is formed on a side of the blackboard eraser housing 1 away from the fixing mechanism 3, and when the dust scraping mechanism 4 is not used, the telescopic component 44 can be rotated to adjust the horizontal position, and then the scraper 46 is inserted into the slot 5, so that the position of the scraper 46 is fixed, and the scraper 2 is not blocked when being wiped.

As shown in fig. 1 and fig. 2, in this embodiment, the fixing mechanism 3 includes a moving plate 31, a moving rod 32, a first spring 33, a connecting plate 34, a first handle 35, and a first bolt 36, the moving plate 31 is movably disposed in the accommodating cavity 11, moving rods 32 are fixedly connected to both ends of one side of the moving plate 31, which is far away from the wiping plate 2, one ends of the two moving rods 32, which are far away from the moving plate 31, penetrate through the blackboard eraser housing 1 and are commonly connected to the connecting plate 34, the first handle 35 is mounted on the connecting plate 34, the moving plate 31 is located between the inner wall of the accommodating cavity 11 and sleeved with the first spring 33 on the moving rod 32, the wiping plate 2 is conveniently fixed in the accommodating cavity 11 through the disposed fixing mechanism 3, so as to facilitate the removal and replacement of the wiping plate 2, when the wiping plate 2 is mounted, the wiping plate 2 is placed in the accommodating cavity 11, the moving plate 31 is pushed to approach the wiping plate 2 by the elastic action of the first spring 33, so as to clamp and fix the wiping plate 2 in the accommodating cavity 11, when the wiping plate 2 is dismounted, the wiping plate, the first handle 35 is pulled outward, the moving rod 35 drives the moving plate 31 to move outward, the moving rod 32 to drive the moving plate to move away from the moving direction of the moving plate 31, so as to facilitate the wiping plate 2, thereby removing the wiping plate 2, and facilitating the wiping plate 2, and removing the effect of the wiping plate 2.

Example 2

The quick blackboard eraser of the embodiment has the same basic structure as the quick blackboard eraser of the embodiment 1, and the difference and the improvement are that: as shown in fig. 2, in this embodiment, a second plug pin 6 is fixedly connected to the inner wall of the accommodating cavity 11 far from the fixing mechanism 3, a second insertion hole 22 corresponding to the second plug pin 6 and allowing the second plug pin 6 to be inserted is formed in one side of the wiping plate 2 far from the fixing mechanism 3, when the wiping plate 2 is installed, the wiping plate 2 is firstly placed in the accommodating cavity 11, the second insertion hole 22 corresponds to the second plug pin 6, so that the wiping plate 2 is inserted into the second insertion hole 22 through the second plug pin 6, and the position of the wiping plate 2 is preliminarily fixed; in addition, the both ends that the moving plate 31 is close to one side of wiping board 2 all fixedly connected with first bolt 36, and one side that wiping board 2 is close to fixed establishment 3 is seted up and is corresponded with first bolt 36 position and supply first bolt 36 male first jack 21, inserts first bolt 36 in first jack 21 under the elastic action of first spring 33, improves the installation fixed effect of wiping board 2, places wiping board 2 and drops in the use from holding chamber 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A quick blackboard eraser is characterized in that: the blackboard eraser comprises a blackboard eraser shell (1) and a wiping plate (2), wherein a containing cavity (11) with an opening facing to the bottom is formed in the blackboard eraser shell (1), the wiping plate (2) is detachably mounted in the containing cavity (11) through a fixing mechanism (3), and an ash scraping mechanism (4) for cleaning chalk ash on the wiping plate (2) is arranged on the blackboard eraser shell (1);

scrape grey mechanism (4) and include spout (41), slider (42), mounting panel (43), flexible subassembly (44), fixed plate (45), scraper blade (46) and second handle (47), the front end both ends of blackboard eraser casing (1) all are provided with spout (41) along length direction, slider (42) sliding connection be in spout (41), mounting panel (43) fixed mounting in on slider (42), flexible subassembly (44) rotate connect in on slider (42), fixed plate (45) set up two sets of between fixed plate (45), scraper blade (46) are installed fixed plate (45) are close to and clean board (2), second handle (47) are installed fixed plate (45) opposite side.

2. The quick blackboard eraser according to claim 1, characterized in that: flexible subassembly (44) include sleeve (441), telescopic link (442), limiting plate (443) and second spring (444), telescopic link (442) one end activity is pegged graft sleeve (441) in and fixedly connected with limiting plate (443), between limiting plate (443) and sleeve (441) inner wall and be located telescopic link (442) outside cover is equipped with second spring (444), sleeve (441) is kept away from in telescopic link (442) one end and fixed plate (45) fixed connection, sleeve (441) rotate connect in on mounting panel (43).

3. The quick blackboard eraser according to claim 2, characterized in that: a baffle (431) is fixedly connected to one side, close to the fixing mechanism (3), of the mounting plate (43), and the baffle (431) is used for limiting the rotation angle of the sleeve (441).

4. The quick blackboard eraser according to claim 1, characterized in that: one side of the blackboard eraser shell (1) far away from the fixing mechanism (3) is provided with a clamping groove (5) for clamping the scraping plate (46).

5. The quick blackboard eraser according to claim 1, characterized in that: fixed establishment (3) are including movable plate (31), carriage release lever (32), first spring (33), connecting plate (34), the first in command (35) and first bolt (36), movable plate (31) activity set up in hold chamber (11) in, the equal fixedly connected with carriage release lever (32) in both ends of wiping board (2) one side is kept away from in movable plate (31), two the one end that carriage release lever (31) were kept away from in carriage release lever (32) runs through blackboard eraser casing (1) and is connected with connecting plate (34) jointly, the first in command (35) is installed on connecting plate (34), the cover is equipped with first spring (33) on movable plate (31) and being located carriage release lever (32) between movable plate (31) and holding chamber (11) inner wall.

6. The quick blackboard eraser according to claim 5, characterized in that: the utility model discloses a cleaning device, including movable plate (31), both ends that movable plate (31) are close to clean board (2) one side all fixedly connected with first bolt (36), clean board (2) one side that is close to fixed establishment (3) seted up with first bolt (36) position correspond and supply first bolt (36) male first jack (21).

7. The quick blackboard eraser according to claim 5, characterized in that: hold chamber (11) and keep away from fixedly connected with second bolt (6) on the inner wall of fixed establishment (3), keep away from wiping board (2) fixed establishment (3) one side is seted up and is corresponded and supply second bolt (6) male second jack (22) in second bolt (6) position.