CN219115122U

CN219115122U - Blackboard eraser convenient to clean

Info

Publication number: CN219115122U
Application number: CN202320014810.7U
Authority: CN
Inventors: 李蒙蒙; 李文德
Original assignee: Tianjin Xinbat Cultural And Educational Supplies Co ltd
Current assignee: Tianjin Xinbat Cultural And Educational Supplies Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-06-02
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses an blackboard eraser convenient to clean, which belongs to the technical field of blackboard erasers and comprises a shell, wherein a same U-shaped erasing plate is attached between inner walls at two ends of the shell, a plurality of rows of erasing wires distributed equidistantly are fixed at the bottom of the U-shaped erasing plate, a detachable component is arranged between the U-shaped erasing plate and the shell, stress plates are fixed at two sides of the middle position of the top of the U-shaped erasing plate, a mounting groove is formed in the middle position of the top of the shell, a top frame is fixed on the inner wall of the mounting groove, a motor is fixed at the middle position of the inner wall of the bottom of the top frame, and a rotary table is fixed at the bottom end of an output shaft of the motor extending out of the top frame. The utility model has the effect of convenient replacement after the wiping wires are damaged, the stressed plate is extruded by the hammer rod, so that the stressed plate, the U-shaped wiping plate and even the whole blackboard eraser form a vibration effect, the whole blackboard eraser has a cleaning structure, dust attached between the wiping wires is conveniently separated, and the utility model provides convenience for subsequent use of people.

Description

Blackboard eraser convenient to clean

Technical Field

The utility model belongs to the technical field of blackboard eraser, and particularly relates to a blackboard eraser convenient to clean.

Background

The blackboard eraser is an indispensable teaching aid in the teaching process, the blackboard is required to be wiped by the sponge blackboard eraser after being written by chalk, but the traditional blackboard eraser generally adopts a cotton sleeve, so that a plurality of inconveniences exist when chalk characters of the blackboard are wiped, dust is in the use process, great inconvenience is brought to teachers, the bodies of the teachers can be damaged after long-time use, the safety is low, and people adopt sponge with better dust collection.

Through retrieving, a sponge blackboard eraser convenient to clean of patent publication No. CN216268397U, including the backup pad, one side fixed mounting of backup pad has the water tank, the inside fixed mounting of water tank has the water injection pipe, the inner wall swing joint of water injection pipe has the sealing plug, the bottom fixed mounting of water tank has the outlet pipe, the top fixed mounting of water tank has spacing bucket, the outer wall swing joint stop collar of spacing bucket, the top fixed mounting of stop collar has the clamp plate. The following disadvantages exist: the blackboard eraser in the prior art generally increases the cleaning performance of the blackboard eraser on the blackboard, but if the blackboard eraser is cleaned by water, dust in the blackboard eraser wires attached to the blackboard eraser cannot be removed, and the phenomenon that the dust is accumulated more and more is presented, so that the blackboard eraser brings great inconvenience to subsequent continuous use, and therefore, the blackboard eraser convenient to clean is continuously designed to solve the problems.

Disclosure of Invention

The utility model aims to provide an blackboard eraser convenient to clean, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a blackboard eraser convenient to it is clean, includes the casing, the laminating has same U type to wipe the board between the both ends inner wall of casing, and the bottom of U type is wiped the board is fixed with the silk of wiping that the equidistance distributes of multirow, be provided with dismantled and assembled subassembly between U type and the casing, and the top intermediate position both sides of U type is wiped the board all are fixed with the atress board, the mounting groove has been seted up to the top intermediate position of casing, and the inner wall of mounting groove is fixed with the roof frame, and the bottom inner wall intermediate position of roof frame is fixed with the motor, and the bottom mounting in the motor's the output shaft extends the roof frame has the carousel, the bottom one end rotation of carousel is connected with the drive shaft, and the outer wall of drive shaft has cup jointed the movable frame, and the both sides intermediate position of movable frame all is fixed with the hammer pole, and the position of hammer pole corresponds with the position of atress board.

As a preferred embodiment, the top end of the hammer rod is fixed with a guide sleeve rod, and the inner walls of both sides of the casing are fixed with guide rods penetrating through the inner walls of the guide sleeve rod.

As a preferred implementation mode, the top of casing fixed mounting has the handle frame, and the top inner wall one end of handle frame has the start button, bottom inner wall one side fixed mounting of top frame has the battery, and electric connection between battery, start button and the motor.

As a preferred implementation mode, the detachable component comprises four jacks arranged at two ends of a shell, the inner walls of two adjacent jacks are inserted with one U-shaped rod, locking grooves are formed in the middle positions of two ends of a U-shaped wiping plate, L-shaped locking plates inserted in the locking grooves are fixed at two ends of the U-shaped rod, the width of each L-shaped locking plate is smaller than that of each locking groove, springs are fixed between two ends of one side top of each L-shaped locking plate and the inner walls of two ends of the shell, and the springs are sleeved on the outer walls of the U-shaped rods.

As a preferred implementation mode, the inner walls at the two ends of the shell are respectively fixed with a limiting strip, the two ends of the top of the U-shaped wiping plate are respectively attached to the bottoms of the limiting strips, and one sides of the two L-shaped locking plates are respectively attached to one side of the limiting strips.

As a preferred implementation mode, soft adhesive tapes are fixed at the bottoms of the two sides of the inner wall of the shell, and the soft adhesive tapes are respectively attached to the outer walls of the two sides of the U-shaped wiping plate.

As a preferable implementation mode, a top cover is arranged at the top of the top frame, and radiating grooves distributed at equal intervals are arranged in the middle of the top cover.

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

according to the utility model, the whole blackboard eraser has the detachable performance through the action of the detachable component, namely, the L-shaped locking plate is separated from the locking groove by pushing the U-shaped rod to move in the jack, so that the shell is separated from the U-shaped erasing plate, the disassembling and the assembling of the blackboard eraser are facilitated, and the effect of convenient replacement is achieved after the erasing wires are damaged;

according to the utility model, through the cooperation of the motor, the rotary table, the driving shaft, the movable frame, the hammer rod and the stress plate, when dust accumulation occurs between the wiping wires of the blackboard eraser, the rotary table and the driving shaft are driven by the motor to rotate, and the movable frame and the hammer rod are extruded by the driving shaft to do reciprocating motion, so that the stress plate is extruded by the hammer rod, the stress plate, the U-shaped wiping plate and even the whole blackboard eraser form a vibration effect, the whole blackboard eraser has a cleaning structure, dust attached between the wiping wires is conveniently separated, and convenience is provided for subsequent use of people.

Drawings

FIG. 1 is an overall schematic of the present utility model;

FIG. 2 is a bottom view of the present utility model;

FIG. 3 is an overall cross-sectional view of the present utility model;

FIG. 4 is a schematic view of the locking groove and spring arrangement of the present utility model;

fig. 5 is a schematic view of the motor and hammer lever structure of the present utility model;

fig. 6 is a schematic view of the structure of the turntable and the driving shaft of the present utility model.

In the figure: 1. a housing; 2. wiping silk; 3. a U-shaped rod; 4. a handle frame; 5. a top cover; 6. a soft adhesive tape; 7. a U-shaped wiping plate; 8. a limit bar; 9. an L-shaped locking plate; 10. a start button; 11. a top frame; 12. a movable frame; 13. a hammer rod; 14. a force-bearing plate; 15. a locking groove; 16. a spring; 17. a motor; 18. a storage battery; 19. a guide sleeve rod; 20. a guide rod; 21. a turntable; 22. a drive shaft.

Detailed Description

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-6, the utility model provides a blackboard eraser convenient for cleaning, which comprises a shell 1, wherein the inner walls at two ends of the shell 1 are adhered with the same U-shaped erasing plate 7, a plurality of rows of erasing wires 2 distributed equidistantly are fixed at the bottom of the U-shaped erasing plate 7, a detachable component is arranged between the U-shaped erasing plate 7 and the shell 1, two sides of the middle position of the top of the U-shaped erasing plate 7 are both fixed with a stressed plate 14, an installation groove is arranged at the middle position of the top of the shell 1, a top frame 11 is fixed on the inner wall of the installation groove, a motor 17 is fixed at the middle position of the inner wall of the bottom of the top frame 11, an output shaft of the motor 17 extends out of the top frame 11, a turntable 21 is fixed at the bottom end of the turntable 21, a driving shaft 22 is rotatably connected at one end of the bottom of the turntable 21, a movable frame 12 is sleeved on the outer wall of the driving shaft 22, two sides of the movable frame 12 are both sides of the driving shaft 13 are respectively fixed with a driving shaft 13, the positions of the driving shaft 13 correspond to the positions of the stressed plate 14, the turntable 21 and the driving shaft 22 are driven by the motor 17 to rotate, the movable frame 12 and the driving shaft 13 are pressed by the driving shaft 22 to reciprocate, so that the stressed plate 14 is pressed by the driving shaft 13, the driving shaft 14 and the driving shaft 22, a rotating plate 7, a bottom plate and a whole friction structure is convenient to be adhered with dust and the whole dust and the dust and can be conveniently removed.

Specifically, as shown in fig. 5 and 6, the top end of the hammer rod 13 is fixed with a guide sleeve rod 19, and the inner walls of both sides of the housing 1 are fixed with guide rods 20 penetrating through the inner walls of the guide sleeve rod 19, so that the guide sleeve rod 19 moves on the guide rods 20 during the movement of the hammer rod 13, and the hammer rod 13 is kept to perform linear movement.

Specifically, as shown in fig. 3, the top of the housing 1 is fixedly provided with a handle frame 4, one end of the inner wall of the top of the handle frame 4 is fixedly provided with a start button 10, one side of the inner wall of the bottom of the top frame 11 is fixedly provided with a storage battery 18, the start button 10 and the motor 17 are electrically connected, and the whole scrubbing plate has a one-key start function through the start button 10.

Specifically, as shown in fig. 3 and fig. 4, the detachable component comprises four jacks formed at two ends of the shell 1, the inner walls of two adjacent jacks are inserted with the same U-shaped rod 3, the middle positions of two ends of the U-shaped scraping plate 7 are provided with locking grooves 15, two ends of the U-shaped rod 3 are respectively fixed with an L-shaped locking plate 9 inserted in the locking grooves 15, the width of the L-shaped locking plate 9 is smaller than that of the locking grooves 15, springs 16 are fixed between two ends of one side top of the L-shaped locking plate 9 and the inner walls of two ends of the shell 1, the springs 16 are sleeved on the outer walls of the U-shaped rod 3, the whole blackboard eraser has detachable performance through the action of the detachable component, namely, the U-shaped rod 3 is pushed to move in the jacks, so that the L-shaped locking plate 9 is separated from the locking grooves 15, the shell 1 is separated from the U-shaped scraping plate 7, the disassembling and assembling treatment of the blackboard eraser is facilitated, and the replacement of the blackboard eraser is facilitated after the damage occurs.

Specifically, the both ends inner wall of casing 1 all is fixed with spacing 8, and the top both ends of U type wipe the board 7 all laminate in the bottom of spacing 8, and one side of two L type locking plates 9 all laminate in one side of spacing 8.

Specifically, as shown in fig. 2, the bottoms of the two sides of the inner wall of the shell 1 are respectively fixed with a soft adhesive tape 6, the soft adhesive tapes 6 are respectively attached to the outer walls of the two sides of the U-shaped wiping plate 7, and the U-shaped wiping plate 7 is kept to vibrate through the soft adhesive tapes 6 while dust can be prevented from entering the shell 1.

Specifically, as shown in fig. 1 and 3, a top cover 5 is arranged at the top of the top frame 11, and heat dissipation grooves distributed equidistantly are formed in the middle position of the top cover 5, so that the electric elements in the top frame 11 can be overhauled conveniently through the top cover 5.

The working principle and the using flow of the utility model are as follows: the effect through dismantled and assembled subassembly makes whole blackboard eraser have detachable performance, promptly through promoting U type pole 3 activity in the jack, make L type locking plate 9 break away from with locking groove 15, make casing 1 break away from with U type scrubbing plate 7 mutually, be convenient for carry out dismouting processing to the blackboard eraser, make and have the effect of being convenient for change after the damage appears in the scrubbing filament 2, when dust pile up appears between the scrubbing filament 2 of blackboard eraser, utilize motor 17 to drive carousel 21 and drive shaft 22 rotatory, extrude movable frame 12 and drive shaft 13 through drive shaft 22 and do reciprocating motion, thereby utilize drive shaft 13 extrusion atress board 14, make atress board 14 and U type scrubbing plate 7 even whole blackboard eraser form the vibration effect, make whole board eraser have clean structure, be convenient for break away the dust that will adhere to between the scrubbing filament.

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

Claims

1. The utility model provides a blackboard eraser convenient to clean, includes casing (1), its characterized in that: the novel electric hammer is characterized in that the same U-shaped wiping plate (7) is attached between the inner walls of the two ends of the shell (1), a plurality of rows of wiping wires (2) which are distributed at equal intervals are fixed at the bottom of the U-shaped wiping plate (7), detachable components are arranged between the U-shaped wiping plate (7) and the shell (1), stress plates (14) are respectively fixed at the two sides of the middle position of the top of the U-shaped wiping plate (7), an installation groove is formed in the middle position of the top of the shell (1), a top frame (11) is fixed on the inner wall of the installation groove, a motor (17) is fixed at the middle position of the inner wall of the bottom of the top frame (11), a rotary table (21) is fixed at the bottom end of the motor (17) extending out of the top frame (11), a driving shaft (22) is connected at one end of the bottom of the rotary table (21), a movable frame (12) is sleeved on the outer wall of the driving shaft (22), a hammer rod (13) is respectively fixed at the middle position of the two sides of the movable frame (12), and the position of the hammer rod (13) corresponds to the position of the stress plate (14).

2. An easy-to-clean blackboard eraser according to claim 1, characterized in that: the top one end of hammer pole (13) all is fixed with guide loop bar (19), and the both sides inner wall of casing (1) all is fixed with guide bar (20) that pass guide loop bar (19) inner wall.

3. An easy-to-clean blackboard eraser according to claim 2, characterized in that: the top of casing (1) fixed mounting has handle frame (4), and the top inner wall one end of handle frame (4) has start button (10), bottom inner wall one side fixed mounting of top frame (11) has battery (18), and electric connection between battery (18), start button (10) and motor (17).

4. A cleaning-facilitating blackboard eraser according to claim 3, characterized in that: the detachable component comprises four jacks arranged at two ends of a shell (1), the inner walls of two adjacent jacks are spliced with the same U-shaped rod (3), locking grooves (15) are formed in the middle positions of two ends of a U-shaped wiping plate (7), L-shaped locking plates (9) spliced in the locking grooves (15) are fixed at two ends of the U-shaped rod (3), the width of each L-shaped locking plate (9) is smaller than that of each locking groove (15), springs (16) are fixed between two ends of one side top of each L-shaped locking plate (9) and the inner walls of two ends of the shell (1), and the springs (16) are sleeved on the outer walls of the U-shaped rods (3).

5. The easy-to-clean blackboard eraser according to claim 4, wherein: the two ends inner wall of casing (1) all is fixed with spacing (8), and the top both ends of U type wipe board (7) all laminate in the bottom of spacing (8), and one side of two L type locking plates (9) all laminate in one side of spacing (8).

6. The easy-to-clean blackboard eraser according to claim 5, wherein: the bottoms of the two sides of the inner wall of the shell (1) are respectively fixed with a soft adhesive tape (6), and the soft adhesive tapes (6) are respectively attached to the outer walls of the two sides of the U-shaped wiping plate (7).

7. The easy-to-clean blackboard eraser according to claim 6, wherein: the top of top frame (11) is provided with top cap (5), and the heat dissipation groove that the equidistance was distributed has been seted up to the intermediate position of top cap (5).