CN214564211U

CN214564211U - Blackboard eraser device for reducing chalk dust

Info

Publication number: CN214564211U
Application number: CN202120603085.8U
Authority: CN
Inventors: 张星
Original assignee: Hulunbuir University
Current assignee: Hulunbuir University
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-11-02
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a reduce blackboard eraser device of chalk dust, which comprises a body, the body sets up for tubular structure, the lower extreme of body is equipped with the supporting seat, the upper end of body is equipped with the motor room, indoor servo motor and the battery of being equipped with of motor, this internal ash deposit room and clearance room of being equipped with, deposit and be equipped with a plurality of fans between ash deposit room and the clearance room, the fan is linked together with ash deposit room and clearance room through a plurality of passageways respectively, one side of body is equipped with the handle, the upper end of handle is equipped with the controller, the lower extreme of handle is equipped with and deposits the ash discharge mouth that the ash deposit room is linked together, the ash discharge mouth is equipped with the pipe cap through the threaded sleeve outward, servo motor's output is connected with rotates the pivot one of being connected with lateral wall about the motor room, the pivot is gone up the cover and is established and is fixed with bevel gear one. Compared with the prior art, the utility model the advantage lie in: clear up the chalk dust room through the felt pad and can pass through the fan with most chalk dust and collect in depositing the ash room, very big reduction the chalk dust in the air remain.

Description

Blackboard eraser device for reducing chalk dust

Technical Field

The utility model relates to a teaching assistance technology improves, specifically indicates to reduce blackboard eraser device of chalk dust.

Background

In the teaching activities of schools, a large amount of chalks are still used at present. The chalk is harmful to people, not only dust of the chalk is generated and enters air to damage the surrounding environment, but also the chalk seriously threatens the physical and mental health of teachers, and most of all teachers suffer from lung diseases due to the fact that the chalk is the chalk dust. This phenomenon is more serious in poor remote areas, where teacher teams cannot get a good rest and treatment even if they write on a chalk board for a long time. On the other hand, the chalk dust can be recycled, in the prior art, the chalk dust flies everywhere when characters written on the blackboard are cleaned, the chalk dust scatters in the air to influence the lung health of teachers and students, the residual chalk dust on the blackboard can not be cleaned, further, recycling of the chalk dust can not be realized, and hands of the teachers and the students are easily injured in the using process of some existing mechanical chalk erasers.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical problem, provide a chalk dust residue in the air lower, can collect the chalk dust and safe in utilization's blackboard eraser device that reduces chalk dust.

In order to solve the technical problem, the utility model provides a technical scheme does: the blackboard eraser device for reducing chalk dust comprises a body, wherein the body is arranged in a cylindrical structure, a supporting seat is arranged at the lower end of the body, a motor chamber is arranged at the upper end of the body, a servo motor and a storage battery are arranged in the motor chamber, a dust storage chamber and a cleaning chamber are arranged in the body, a plurality of fans are arranged between the dust storage chamber and the cleaning chamber and are respectively communicated with the dust storage chamber and the cleaning chamber through a plurality of channels, a handle is arranged at one side of the body, a controller is arranged at the upper end of the handle, a dust discharge port communicated with the dust storage chamber is arranged at the lower end of the handle, a pipe cap is sleeved outside the dust discharge port through threads, a first rotating shaft rotationally connected with the upper side wall and the lower side wall of the motor chamber is connected with the output end of the servo motor, a first bevel gear is fixedly sleeved on the first rotating shaft, and symmetrical clamping plates are arranged on the upper side wall and the lower side wall of the motor chamber, be equipped with the slip post between the splint, the slip post overcoat is equipped with the slider, the slip post overcoat is equipped with the spring that is connected with splint and slider respectively, two be equipped with the backup pad between the slider, two be equipped with the turning block between the backup pad, the turning block internal rotation is equipped with pivot two, the one end of pivot two is equipped with bevel gear two, the other end of pivot two is equipped with the fixed plate one of symmetry, there is fixed plate two fixed through the fix with screw on the fixed plate one, the outside of fixed plate two is equipped with the felt pad, the one end that the body is close to fixed plate two is equipped with curved plastic strip, servo motor, battery and fan all with controller electric connection.

As an improvement, the upper side wall and the lower side wall of the cleaning chamber are respectively provided with a limiting sliding groove matched with the sliding block, and the sliding block extends into the limiting sliding groove.

As an improvement, the second fixing plate is arranged in a sickle-shaped structure.

As an improvement, a vertical plane of one side wall of the felt pad far away from the first fixing plate is arranged on the outer side of the plastic strip.

As an improvement, when the felt pad is in a working state, the bevel gear I and the bevel gear II are in meshed connection.

As an improvement, a plurality of the channels are all arranged in a truncated cone-shaped hole-shaped structure.

As an improvement, the arc-shaped angle of the plastic strip is-degree.

As an improvement, the lower end of the ash storage chamber is arranged in an inclined structure facing the ash discharge port.

Compared with the prior art, the utility model the advantage lie in:

1. in-process of clearing up the chalk writing on the blackboard, can pass through the fan through felt pad clearance chalk dust room and collect most chalk dust and deposit in the ash room, very big reduction the remaining of chalk dust in the air, to the very big injury of having avoided the chalk dust to teacher and student in the long-term use, and the chalk dust can be collected, the iterative recycle of being convenient for.

2. Only when the felt pad extrudees with the blackboard contact, when carrying out the rotatory wiping to the writing on the blackboard, the felt pad can rotate, and the effectual felt pad of avoiding hurts teacher and student when taking up the device when rotating, and can avoid the chalk dust of adhesion on the felt pad to fly everywhere.

Drawings

Fig. 1 is a schematic cross-sectional structure view of the blackboard eraser device for reducing chalk dust according to the present invention.

Fig. 2 is a schematic view of the top view structure of the blackboard eraser device for reducing chalk dust according to the present invention.

Fig. 3 is a schematic structural view of the sliding block of the blackboard eraser device for reducing chalk dust of the utility model.

Fig. 4 is a schematic structural view of the plastic strip of the blackboard eraser device for reducing chalk dust of the present invention.

As shown in the figure: 1. the automatic dust removing device comprises a body, 2, a supporting seat, 3, a motor chamber, 4, a servo motor, 5, a storage battery, 6, a dust storage chamber, 7, a cleaning chamber, 8, a fan, 9, a channel, 10, a handle, 11, a controller, 12, a dust discharging port, 13, a first rotating shaft, 14, a first bevel gear, 15, a clamping plate, 16, a sliding column, 17, a sliding block, 18, a rotating block, 19, a second rotating shaft, 20, a second bevel gear, 21, a first fixing plate, 22, a second fixing plate, 23, a felt pad, 24, a plastic strip, 25 and a limiting sliding groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The blackboard eraser device for reducing chalk dust obtained by combining the attached drawings 1-4 comprises a body 1, wherein the body 1 is of a cylindrical structure, a supporting seat 2 is arranged at the lower end of the body 1, a motor chamber 3 is arranged at the upper end of the body 1, a servo motor 4 and a storage battery 5 are arranged in the motor chamber 3, a dust storage chamber 6 and a cleaning chamber 7 are arranged in the body 1, a plurality of fans 8 are arranged between the dust storage chamber 6 and the cleaning chamber 7, the fans 8 are respectively communicated with the dust storage chamber 6 and the cleaning chamber 7 through a plurality of channels 9, a handle 10 is arranged at one side of the body 1, a controller 11 is arranged at the upper end of the handle 10, a dust discharge port 12 communicated with the dust storage chamber 6 is arranged at the lower end of the handle 10, a pipe cap is sleeved outside the dust discharge port 12 through threads, and a first rotating shaft 13 which is rotatably connected with the upper side wall and the lower side wall of the motor chamber 3 is connected with the output end of the servo motor 4, a first bevel gear 14 is sleeved and fixed on the first rotating shaft 13, symmetrical clamping plates 15 are respectively arranged on the upper side wall and the lower side wall of the motor chamber 3, a sliding column 16 is arranged between the clamping plates 15, a sliding block 17 is sleeved outside the sliding column 16, the sliding column 16 is sleeved with a spring which is respectively connected with the clamping plate 15 and the sliding block 17, a supporting plate is arranged between the two sliding blocks 17, a rotating block 18 is arranged between the two supporting plates, a second rotating shaft 19 is rotatably arranged in the rotating block 18, a second bevel gear 20 is arranged at one end of the second rotating shaft 19, the other end of the second rotating shaft 19 is provided with a first symmetrical fixing plate 21, a second fixing plate 22 is fixed on the first fixing plate 21 through screws, a felt pad 23 is arranged on the outer side of the second fixing plate 22, an arc-shaped plastic strip 24 is arranged at one end, close to the second fixing plate 22, of the body 1, and the servo motor 4, the storage battery 5 and the fan 8 are all electrically connected with the controller 11.

The upper side wall and the lower side wall of the cleaning chamber 7 are respectively provided with a limiting sliding groove 25 matched with the sliding block 17, the sliding block 17 extends into the limiting sliding groove 25 and slides in the limiting sliding groove 25 through the sliding block 17, when the sliding block 17 slides to one side of one end of the limiting sliding groove 25, which is close to the clamping plate 15, the bevel gear II 20 is separated from the bevel gear I14, and when the sliding block 17 slides to the other end of the limiting sliding groove 25, the bevel gear I14 and the bevel gear II 20 are meshed and rotated.

The second fixing plate 22 is of a sickle-shaped structure, and in the process of cleaning the blackboard, the second sickle-shaped fixing plate 25 can hook chalk dust, so that the chalk dust is prevented from being rolled out from the body 1.

The vertical plane that a lateral wall of fixed plate 21 was kept away from to felt pad 23 is established in the outside of plastic strip 24, and when adapting to the device, the preferential contact blackboard of felt pad 23 through the extrusion with felt pad 23 extrusion at body 1, and then rotates the clean blackboard of felt pad 23, later felt pad 23 and blackboard contact.

When the felt pad 23 is in a working state, the bevel gear I14 is in meshed connection with the bevel gear II 20, when the servo motor 4 is started, the bevel gear II 20 cannot rotate, and when the felt pad 23 is in contact extrusion with a blackboard, the bevel gear I14 is in meshed connection with the bevel gear II 20.

The plurality of channels 9 are in the arrangement of a circular truncated cone-shaped hole structure, so that chalk dust can be conveniently gathered into the fan 8 from the cleaning chamber 7 and can be conveniently gathered into the dust storage chamber 6 from the fan 8.

The arc-shaped angle of the plastic strip 24 is 130-150 degrees, when the body 1 slides on the blackboard, the blackboard needing to be cleaned of chalk dust is input at the notch position of the body 1, which does not contain the plastic strip 24, and the chalk dust is prevented from running out of the body 1 when the blackboard is cleaned rapidly.

The lower end of the ash storage chamber 6 is arranged in an inclined structure facing the ash discharge port 12, so that chalk ash can be conveniently discharged from the ash storage chamber 3.

The utility model discloses a theory of operation: when chalk dust writing on a blackboard needs to be cleaned, the controller 11 is controlled to open the servo motor 4 to drive the rotating shaft I13 to rotate by holding the handle 10, the bevel gear I14 is driven to rotate, the felt pad 23 is aligned to the position of the blackboard to be cleaned and pressed, the sliding block 17 slides in the limiting sliding groove 25 and outside the sliding column 16, the bevel gear II 20 is close to the bevel gear I14 to be meshed and rotated, the felt pad 23 rotates to clean the blackboard, meanwhile, the plastic strip 24 is in contact with the blackboard, the gaps of the plastic strip 24 slide to cover more chalk writing for cleaning, the chalk dust cleaned by the felt pad 23 is collected in the dust storage chamber 6 by the fan to be stored, the stored chalk dust is discharged by opening the pipe cap of the dust discharge port 12, the felt pad 23 is separated from the blackboard after the blackboard is cleaned, and the sliding block 17 is pushed by the spring under the action of the spring, and then bevel gear two 20 and bevel gear 14 separate, felt pad 23 stall, and the effect of clearance blackboard dust is ended promptly, can be long-time not need the power to use through battery 5, when the device does not use, with support column 2 and desktop contact place more convenient on the desk.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. Reduce blackboard eraser device of chalk dust, including body (1), its characterized in that: body (1) sets up for tubular structure, the lower extreme of body (1) is equipped with supporting seat (2), the upper end of body (1) is equipped with motor room (3), be equipped with servo motor (4) and battery (5) in motor room (3), be equipped with in body (1) and deposit grey room (6) and clearance room (7), it is equipped with a plurality of fans (8) to deposit between grey room (6) and clearance room (7), fan (8) are linked together with depositing grey room (6) and clearance room (7) through a plurality of passageways (9) respectively, one side of body (1) is equipped with handle (10), the upper end of handle (10) is equipped with controller (11), the lower extreme of handle (10) is equipped with row ash mouth (12) that are linked together with depositing grey room (6), it is equipped with the pipe cap outward to arrange ash mouth (12) through the thread bush, the output of servo motor (4) is connected with and rotates pivot (13) of being connected with lateral wall about motor room (3) ) A first bevel gear (14) is fixedly sleeved on the first rotating shaft (13), symmetrical clamping plates (15) are arranged on the upper side wall and the lower side wall of the motor chamber (3), a sliding column (16) is arranged between the clamping plates (15), a sliding block (17) is sleeved outside the sliding column (16), springs respectively connected with the clamping plates (15) and the sliding block (17) are sleeved outside the sliding column (16), a supporting plate is arranged between the two sliding blocks (17), a rotating block (18) is arranged between the two supporting plates, a second rotating shaft (19) is rotatably arranged in the rotating block (18), a second bevel gear (20) is arranged at one end of the second rotating shaft (19), symmetrical first fixing plates (21) are arranged at the other end of the second rotating shaft (19), a second fixing plate (22) is fixed on the first fixing plate (21) through screws, and a felt pad (23) is arranged on the outer side of the second fixing plate (22), one end of the body (1) close to the second fixing plate (22) is provided with an arc-shaped and smooth plastic strip (24), and the servo motor (4), the storage battery (5) and the fan (8) are all electrically connected with the controller (11).

2. The chalk dust reducing blackboard eraser apparatus according to claim 1, wherein: the upper side wall and the lower side wall of the cleaning chamber (7) are respectively provided with a limiting sliding groove (25) matched with the sliding block (17), and the sliding block (17) extends into the limiting sliding groove (25).

3. The chalk dust reducing blackboard eraser apparatus according to claim 1, wherein: the second fixing plate (22) is arranged in a sickle-shaped structure.

4. The chalk dust reducing blackboard eraser apparatus according to claim 1, wherein: the vertical plane of one side wall of the felt pad (23) far away from the first fixing plate (21) is arranged on the outer side of the plastic strip (24).

5. The chalk dust reducing blackboard eraser apparatus according to claim 1, wherein: when the felt pad (23) is in a working state, the bevel gear I (14) is in meshed connection with the bevel gear II (20).

6. The chalk dust reducing blackboard eraser apparatus according to claim 1, wherein: the channels (9) are all arranged in a hole-shaped structure in a circular truncated cone shape.

7. The chalk dust reducing blackboard eraser apparatus according to claim 1, wherein: the arc-shaped angle of the plastic strip (24) is 130-150 degrees.

8. The chalk dust reducing blackboard eraser apparatus according to claim 1, wherein: the lower end of the ash storage chamber (6) is arranged in an inclined structure facing the ash discharge port (12).