CN212148173U

CN212148173U - Rechargeable dust-absorbing blackboard eraser

Info

Publication number: CN212148173U
Application number: CN201922361905.2U
Authority: CN
Inventors: 罗卫; 梁昕
Original assignee: Nanjing Institute of Mechatronic Technology
Current assignee: Nanjing Institute of Mechatronic Technology
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-12-15
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a rechargeable dust absorption blackboard eraser, include: shell, cylinder bearing, servo motor, sponge covering, dust absorption fan, filter screen cloth, drawer type collection ash box, handle, magnet paste, can dismantle rechargeable lithium cell, the utility model discloses set up servo motor and dust absorption fan and make the blackboard eraser can automatically erase the blackboard of blackboard eraser below and collect the dust of chalk on the shell, can carry out recycle with the dust of blackboard when protecting teachers and students' health. Simultaneously the utility model discloses set up the magnetic paste on the shell, can inhale on the blackboard with the blackboard eraser, place the blackboard eraser and place the condition that loses at will.

Description

Rechargeable dust-absorbing blackboard eraser

Technical Field

The utility model provides a blackboard eraser especially relates to a rechargeable dust absorption blackboard eraser.

Background

Blackboard eraser on the existing market simple structure comprises sponge and lid usually, and teachers and students use the blackboard eraser to wipe the blackboard, and the dust of chalk is kicked up easily and is diffused in the air in classroom, can cause the injury to teacher's student's health after being inhaled by teacher and student, and the blackboard eraser does not have fixed position to place often to meet the condition that can not find when often placing reuse after finishing using at will in addition to the unable recovery of dust of chalk can cause the pollution to the environment.

Disclosure of Invention

To the problem mentioned in the above-mentioned background art, the utility model provides a rechargeable dust absorption blackboard eraser, include: the dust collector comprises a shell, a cylindrical bearing, a servo motor, a sponge covering layer, a dust collection fan, filter screen cloth, a drawer type dust collection box, a handle, a magnetic paste and a detachable rechargeable lithium battery, wherein the shell is of a hollow structure, a notch is formed in the upper left side of the shell, the cylindrical bearing is arranged above the rear side wall of the shell and is positioned inside the shell, the outer ring of the bearing of the cylindrical bearing is fixedly connected with the shell, the servo motor is arranged inside the shell, the rotating shaft of the servo motor is fixedly connected with the upper part of the front side wall of the shell, the tail of the servo motor is fixedly provided with a connecting rod, the first end of the connecting rod is fixedly connected with the tail of the servo motor, the second end of the connecting rod is sleeved on the inner ring of the bearing of the cylindrical bearing, the sponge covering layer wraps the outer side of the servo motor, and the servo motor, the dust collection fan is installed in the middle of the right side wall of the shell, the dust collection fan is communicated with the shell, filter screen cloth is installed on the left side of the dust collection fan, the drawer type dust collection box is installed below the shell, a handle is installed on the drawer type dust collection box, the detachable lithium battery is installed on the right side wall of the shell, the detachable lithium battery is located above the dust collection fan, the magnetic paste is installed on the left side wall of the shell, and the servo motor and the dust collection fan are driven through the detachable lithium battery.

Furthermore, the magnetic paste is located below the gap at the upper left of the shell, the right side of the top of the magnetic paste is arranged to be a slope which inclines downwards, the length of the magnetic paste is equal to the residual height of the right side wall of the shell, and the top of the magnetic paste is flush with the bottom of the gap.

Further, the drawer-type dust collecting box penetrates through the bottom of the right side wall of the shell, and the left side wall of the drawer-type dust collecting box is arranged to be a slope which is downward to the right.

Furthermore, the servo motor, the dust absorption fan and the detachable lithium battery are connected in series to the circuit, and meanwhile, a protection circuit wire is arranged on the circuit.

Furthermore, a buckle is arranged on the right side wall of the drawer type dust collecting box, and the drawer type dust collecting box can be fixed in the shell through the buckle.

Compared with the prior art, the utility model provides a rechargeable dust absorption blackboard eraser has following beneficial effect: 1, the utility model discloses set up servo motor and dust absorption fan on the shell and make the blackboard eraser can automatically erase the blackboard of blackboard eraser below and collect the dust of chalk, can carry out recycle with the dust of blackboard when protecting teachers and students' health.

2, this use is novel sets up the magnetic paste on the shell, can inhale the blackboard with the blackboard eraser on the blackboard, places the condition that the blackboard eraser was placed at will and is lost.

Drawings

Fig. 1 is a schematic structural diagram of a rechargeable dust-absorbing blackboard eraser.

Wherein: 1-a housing; 2-a cylindrical bearing; 3-a servo motor; 4-sponge coating; 5-dust collection fan; 6-filtering net cloth; 7-drawer type dust collecting box; 8-a handle; 9-magnetic paste.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative efforts shall belong to the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The present invention will be described in detail with reference to the drawings, and in order to describe the embodiments of the present invention in detail, the cross-sectional view showing the structure of the device will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Meanwhile, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted, connected and connected" in the present application are to be understood broadly, unless otherwise explicitly stated or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown, the utility model provides a rechargeable dust absorption blackboard eraser, include: the dust collector comprises a shell 1, a cylindrical bearing 2, a servo motor 3, a sponge cladding 4, a dust collection fan 5, a filter screen cloth 6, a drawer type dust collection box 7, a handle 8, a magnetic paste 9 and a detachable rechargeable lithium battery, wherein the shell 1 is of a hollow structure, a notch is formed in the upper left side of the shell 1, the cylindrical bearing 2 is installed above the rear side wall of the shell 1, the cylindrical bearing 2 is located inside the shell 1, the outer ring of the bearing of the cylindrical bearing 2 is fixedly connected with the shell 1, the servo motor 3 is installed inside the shell 1, the rotating shaft of the servo motor 3 is fixedly connected with the upper part of the front side wall of the shell 1, the tail of the servo motor 3 is fixedly provided with a connecting rod, the first end of the connecting rod is fixedly connected with the tail of the servo motor 3, and the second end of the connecting rod is sleeved on the inner, the outer side of the servo motor 3 is wrapped by a sponge covering layer 4, the servo motor 3 and the sponge covering layer 4 form a cylindrical roller, part of the cylindrical roller is exposed out of a gap at the upper left of the shell 1, the dust suction fan 5 is installed in the middle of the right side wall of the shell 1, the dust suction fan 5 is communicated with the shell 1, the left side of the dust suction fan 5 is provided with a filter screen cloth 6, the drawer type dust collecting box 7 is installed below the shell 1, the drawer type dust collecting box 7 penetrates through the bottom of the right side wall of the shell 1, the left side wall of the drawer type dust collecting box 7 is arranged to be a slope towards the lower right, the drawer type dust collecting box 7 is provided with a handle 8, the right side wall of the drawer type dust collecting box 7 is provided with a buckle, the buckle can fix the drawer type dust collecting box 7 in the shell 1, and the detachable lithium battery is installed on the right side wall of the shell, can dismantle the lithium cell and be located dust absorption fan 5's top, magnetic paste 9 is installed on shell 1's the left side wall, magnetic paste 9 is located the below of 1 upper left side breach of shell, the top right side of magnetic paste 9 sets to the slope of slant down, magnetic paste 9's length with shell 1's right side wall residual height equals, magnetic paste 9's top with the bottom of breach flushes, servo motor 3 with dust absorption fan all passes through can dismantle the lithium cell and drive, servo motor 3 with dust absorption fan 5 with can dismantle lithium cell series connection access circuit, set up protection circuit silk on the circuit simultaneously.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A rechargeable dust-absorbing blackboard eraser, characterized by comprising: the dust collection box comprises a shell (1), a cylindrical bearing (2), a servo motor (3), a sponge covering layer (4), a dust collection fan (5), a filter screen cloth (6), a drawer type dust collection box (7), a handle (8), a magnetic sticker (9) and a detachable rechargeable lithium battery, wherein the shell (1) is of a hollow structure, a gap is formed in the upper left side of the shell (1), the cylindrical bearing (2) is installed above the rear side wall of the shell (1), the cylindrical bearing (2) is located inside the shell (1), the outer ring of the bearing of the cylindrical bearing (2) is fixedly connected with the shell (1), the servo motor (3) is installed inside the shell (1), the rotating shaft of the servo motor (3) is fixedly connected with the upper front side wall of the shell (1), a connecting rod is fixedly installed at the tail part of the servo motor (3), the first end of the connecting rod is fixedly connected with the tail part of the servo motor (3), the second end of the connecting rod is sleeved on the bearing inner ring of the cylindrical bearing (2), the outer side of the servo motor (3) is wrapped by a sponge covering layer (4), the servo motor (3) and the sponge covering layer (4) form a cylindrical roller, part of the cylindrical roller is exposed out of a gap at the upper left of the shell (1), the dust collection fan (5) is installed in the middle of the right side wall of the shell (1), the dust collection fan (5) is communicated with the shell (1), filter screen cloth (6) is installed on the left side of the dust collection fan (5), the drawer type ash collection box (7) is installed below the shell (1), a handle (8) is installed on the drawer type ash collection box (7), the detachable lithium battery is installed on the right side wall of the shell (1), and the detachable lithium battery is located above the dust collection fan (5), magnet (9) are installed on the left side wall of shell (1), servo motor (3) with dust absorption fan all passes through can dismantle the lithium cell and drive.

2. The rechargeable dust-absorbing blackboard eraser as claimed in claim 1, wherein the magnetic sticker (9) is located below a gap at the upper left of the housing (1), the top right side of the magnetic sticker (9) is provided with a downward inclined slope, the length of the magnetic sticker (9) is equal to the remaining height of the right side wall of the housing (1), and the top of the magnetic sticker (9) is flush with the bottom of the gap.

3. The rechargeable dust-absorbing blackboard eraser as claimed in claim 1, wherein the drawer-type dust-collecting box (7) extends through the bottom of the right side wall of the housing (1), and the left side wall of the drawer-type dust-collecting box (7) is disposed as a downward slope to the right.

4. The rechargeable dust-absorbing blackboard eraser as claimed in claim 1, wherein the servo motor (3), the dust-absorbing fan (5) and the detachable lithium battery are connected in series to a circuit, and a protection circuit wire is arranged on the circuit.

5. The rechargeable dust-absorbing blackboard eraser as claimed in claim 1, wherein a buckle is disposed on the right side wall of the drawer-type dust-collecting box (7), and the buckle can fix the drawer-type dust-collecting box (7) in the housing (1).