CN212148176U

CN212148176U - Blackboard eraser capable of being rapidly wiped

Info

Publication number: CN212148176U
Application number: CN202020662007.0U
Authority: CN
Inventors: 郝琪瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-12-15
Anticipated expiration: 2030-04-27

Abstract

The utility model belongs to the technical field of classroom apparatus technique and specifically relates to a blackboard eraser that can clean fast, including rectangle frame and upper padding layer, the bottom of rectangle frame is fixed with spacing frame, and the inside of spacing frame agrees with to be connected with and cleans the pad, the middle part of rectangle frame has been seted up through disposable cutting process and has agreed with the groove, and has agreed with the inside top in groove and settle there is the connecting plate, the upper padding layer sets up in the bottom of connecting plate through bonding, the utility model discloses in, through the connecting plate that sets up, agreeing with the groove, upper padding layer and under the bed course, combine under upper padding layer and the bed course guard action that is rubber material together, the user is under the isolation cooperation of connecting plate, and after the inside in agreeing with the groove is inserted to the one hand, makes things convenient for later stage human traction blackboard eraser to clean the operation to when avoiding the later stage to take place unexpected blackboard eraser and take off the phenomenon, the later stage is cleaned, Saves labor.

Description

Blackboard eraser capable of being rapidly wiped

Technical Field

The utility model relates to a classroom apparatus technical field specifically is a blackboard eraser that can clean fast.

Background

The blackboard eraser is one of the tools belonging to the classroom, and is used as a main tool for cleaning the blackboard, the blackboard eraser is formed by installing an eraser body on a holding body formed by a rectangular wood block, the purpose of erasing the blackboard is achieved by absorbing chalk dust by the eraser body, and the blackboard eraser is widely used in the teaching field.

When the blackboard eraser on the market realizes the wiping operation of the blackboard through manual control, the repeated accident of the blackboard eraser breaks away, the working efficiency of the whole wiping operation is extremely easily reduced, and when the wiping operation is carried out on a high-position area, a human body needs an external tool to assist the smooth proceeding of the whole wiping operation, so that the blackboard eraser capable of rapidly wiping is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blackboard eraser that can clean fast to solve the problem that provides among the above-mentioned background art.

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

the utility model provides a blackboard eraser that can clean fast, includes rectangle frame and last bed course, the bottom of rectangle frame is fixed with spacing frame, and the inside conjunction of spacing frame has the pad of cleaning, the middle part of rectangle frame has seted up the conjunction groove through disposable cutting process, and has agreed with the inside top in groove and settle there is the connecting plate, it sets up in the bottom of connecting plate to go up the bed course through bonding, the inside bottom in conjunction groove bonds and has the bed course down, the both sides of rectangle frame all settle and have the linking piece, and the both sides of linking piece all are fixed with the sheetmetal, settle the positive rear of sheetmetal has the magnetic plate, the one end of linking piece is fixed with the screw rod, and the screw thread groove has been seted up to the junction of screw rod and rectangle frame, the outer end of screw rod has cup jointed the lantern ring, and the lantern ring is through cavity cell body and the built-in connection of.

Preferably, the rectangular frame and the limiting frame are connected through integral forming to form an integral structure, and the limiting frame and the wiping pad are connected to form an embedded structure.

Preferably, one side of connecting plate and the inner wall that agrees with the groove bond fixedly, and the bottom of connecting plate is provided with the last bed course that is the equidistance structure, the appearance of going up bed course and bed course all is half circular structure and distributes the setting.

Preferably, the two sides of the connecting block are provided with metal sheets in a symmetrical structure, the connecting block is magnetically connected with the magnetic plate through the metal sheets, and the magnetic plate is fixedly connected with the rectangular frame through welding.

Preferably, the screw rod and the connecting block are perpendicular to each other, the screw rod forms a spiral structure through connection of the thread groove and the rectangular frame, the rectangular frame is fixedly connected with the thread groove through pouring, and the screw rod and the lantern ring form a nested structure through connection.

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

1. in the utility model, through the connecting plate, the conjunction groove, the upper cushion layer and the lower cushion layer which are arranged, under the protection action of the upper cushion layer and the lower cushion layer which are both made of rubber, a user can conveniently pull the blackboard eraser to perform the wiping operation by a human body in the later period after inserting the conjunction groove with one hand under the isolation and coordination of the connecting plate, and the wiping operation performed in the later period can be quicker and more labor-saving while avoiding the phenomenon that the later-period blackboard eraser is accidentally broken away;

2. the utility model discloses in, through the rectangle frame that sets up, the screw rod and the lantern ring, combine under the connection cooperation of rectangle frame, the screw rod after drawing is realizing outside tensile and the reverse rotation that circles round through the lantern ring and is obtained the rigidity back, this blackboard eraser is extension branch with the help of this screw rod that is in tensile state, come supplementary human body to realize the operation of cleaning to high position district, and through adopting the built-in mode of spiral to this extension structure to embed, can avoid the protrusion of extension structure to disturb the operation of carrying of later stage blackboard eraser effectively.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the rectangular frame of the present invention.

In the figure: 1-rectangular frame, 2-limiting frame, 3-wiping pad, 4-conjunction groove, 5-connecting plate, 6-upper cushion layer, 7-lower cushion layer, 8-thread groove, 9-joining block, 10-metal sheet, 11-magnetic plate, 12-screw and 13-lantern ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a blackboard eraser that can clean fast, including rectangular frame 1 and upper padding layer 6, the bottom of rectangular frame 1 is fixed with spacing frame 2, and the inside of spacing frame 2 agrees with to be connected with and cleans pad 3, rectangular frame 1's middle part has been seted up through disposable cutting process agrees with groove 4, and the inside top of agreeing with groove 4 settles and have connecting plate 5, upper padding layer 6 sets up in the bottom of connecting plate 5 through bonding, the inside bottom bonding of agreeing with groove 4 has underlayer 7, rectangular frame 1's both sides are all settled and have linking piece 9, and the both sides of linking piece 9 all are fixed with sheetmetal 10, settle the front rear of sheetmetal 10 has magnetic plate 11, the one end of linking piece 9 is fixed with screw rod 12, and threaded groove 8 has been seted up to screw rod 12 and rectangular frame 1's junction, lantern ring 13 has been cup jointed to the outer end of screw rod 12, and lantern ring 13 is put through cavity cell body and rectangular frame 1.

The rectangular frame 1 is connected with the limiting frame 2 through integral forming to form an integral structure, the limiting frame 2 is connected with the wiping pad 3 to form an embedded structure, the blackboard eraser is tightly held by a human body through a traction mechanism, and when wiping operation is required, under the connection and matching of the limiting frame 2 and the rectangular frame 1, the blackboard eraser realizes cleaning operation on the surface of a blackboard by means of wiping force generated in the process that the wiping pad 3 and the blackboard wipe back and forth; one side of the connecting plate 5 is bonded and fixed with the inner wall of the conjunction groove 4, the bottom of the connecting plate 5 is provided with an upper cushion layer 6 with an equidistant structure, the upper cushion layer 6 and the lower cushion layer 7 are distributed in a semicircular structure, before the wiping operation is required, the upper cushion layer 6 and the lower cushion layer 7 which are both made of rubber use the properties of the upper cushion layer 6 and the lower cushion layer 7, so that the direct collision between the hands of a human body and the rectangular frame 1 is avoided, under the isolation and the cooperation of the connecting plate 5, a user can lift up the single hand of the blackboard eraser after inserting the single hand into the conjunction groove 4, the auxiliary arrangement of the conjunction groove 4 and the connecting plate 5 can facilitate the wiping operation of the later-stage human body traction of the blackboard eraser, the structure ensures that the whole blackboard eraser is provided with a traction mechanism, and performs the cleaning operation by using the insertion traction mode, and can effectively avoid the phenomenon that the blackboard eraser is, the later wiping operation is quicker and more labor-saving; the two sides of the connecting block 9 are provided with metal sheets 10 in a symmetrical structure, the connecting block 9 is magnetically connected with a magnetic plate 11 through the metal sheets 10, the magnetic plate 11 is fixedly connected with the rectangular frame 1 through welding, when the wiping operation of a high position area is finished, a user reversely rotates a screw 12 through the connecting block 9 in a circling way, after the screw 12 retracts into the thread groove 8 again, the connecting block 9 is magnetically connected with the magnetic plate 11 through the metal sheets 10, and the blackboard eraser can fix the retracted position of the spiral extending structure by means of the magnetic connection; the screw 12 is perpendicular to the connecting block 9, the screw 12 forms a spiral structure through the connection of the thread groove 8 and the rectangular frame 1, the rectangular frame 1 is fixedly connected with the thread groove 8 through pouring, the screw 12 is connected with the lantern ring 13 to form a nested structure, when a high-position area needs to be wiped, under the connection and matching of the rectangular frame 1, a user rotates the screw 12 in a rotary way according to the spiral adjusting mode, after the screw 12 is caused to draw outwardly and is positionally fixed by reverse rotational back of the collar 13, the blackboard eraser assists a human body to realize wiping operation on a high position area by using the screw 12 in a stretching state as an extension supporting rod, the structure can effectively avoid the protrusion of the extension structure from interfering the carrying operation of the later-stage blackboard eraser by adopting a spiral built-in mode to build the extension structure while the whole blackboard eraser is provided with the extension structure.

The working process is as follows: when wiping operation is required, under the connection and matching of the limiting frame 2 and the rectangular frame 1, the blackboard eraser realizes the cleaning operation on the surface of the blackboard by means of wiping force generated in the process that the wiping pad 3 wipes the blackboard back and forth, before wiping operation is required, under the isolated cooperation of the connecting plate 5, a user can lift up one hand of the blackboard eraser after inserting the one hand into the fit groove 4, at the moment, the auxiliary arrangement of the fit groove 4 and the connecting plate 5 can facilitate the later wiping operation of the blackboard eraser by human body traction, when the wiping operation is required to be carried out on the high position area, a user rotates the screw 12 in a rotary manner according to the spiral adjusting mode, after the screw 12 is caused to draw outwardly and is positionally fixed by reverse rotational back of the collar 13, the blackboard eraser assists a human body to realize wiping operation on a high position area by using the screw 12 in a stretching state as an extension supporting rod.

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. The utility model provides a blackboard eraser that can wipe fast, includes rectangle frame (1) and upper cushion layer (6), its characterized in that: the cleaning device is characterized in that a limiting frame (2) is fixed at the bottom of the rectangular frame (1), a cleaning pad (3) is connected with the inside of the limiting frame (2) in a matching mode, a matching groove (4) is formed in the middle of the rectangular frame (1) through one-time cutting processing, a connecting plate (5) is arranged at the top end of the inside of the matching groove (4), an upper cushion layer (6) is arranged at the bottom of the connecting plate (5) through bonding, a lower cushion layer (7) is bonded at the bottom end of the inside of the matching groove (4), bonding blocks (9) are arranged on two sides of the rectangular frame (1), metal sheets (10) are fixed on two sides of each bonding block (9), a magnetic plate (11) is arranged behind the front side of each metal sheet (10), a screw rod (12) is fixed at one end of each bonding block (9), a groove (8) is formed in the joint of each screw rod (12) and the rectangular frame (1), and a sleeve ring (13) is sleeved at the outer end of each screw rod (12, and the lantern ring (13) is internally connected with the rectangular frame (1) through the hollow groove body.

2. The blackboard eraser capable of fast wiping according to claim 1, wherein: rectangle frame (1) constitutes the integral type structure through the connection of integrated into one piece and spacing frame (2), and spacing frame (2) and the connection of wiping pad (3) constitute embedded structure.

3. The blackboard eraser capable of fast wiping according to claim 1, wherein: one side of connecting plate (5) and the inner wall bonding of agreeing with groove (4) are fixed, and the bottom of connecting plate (5) is provided with and is equidistant structure last bed course (6), the appearance of going up bed course (6) and bed course (7) all is semicircle column structure and distributes the setting.

4. The blackboard eraser capable of fast wiping according to claim 1, wherein: the two sides of the connecting block (9) are provided with metal sheets (10) which are of symmetrical structures, the connecting block (9) is magnetically connected with magnetic plates (11) through the metal sheets (10), and the magnetic plates (11) are fixedly connected with the rectangular frame (1) through welding.

5. The blackboard eraser capable of fast wiping according to claim 1, wherein: the screw rod (12) and the connecting block (9) are perpendicular to each other, the screw rod (12) forms a spiral structure through connection of the thread groove (8) and the rectangular frame (1), the rectangular frame (1) is fixedly connected with the thread groove (8) through pouring, and the screw rod (12) and the lantern ring (13) are connected to form a nested structure.