CN210146595U

CN210146595U - Device for cleaning chalk eraser dust

Info

Publication number: CN210146595U
Application number: CN201921024326.2U
Authority: CN
Inventors: 邱家宠
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-03-17
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to a device for clearing up chalk eraser dust. The device for cleaning the chalk eraser dust comprises a machine body, a dust suction mechanism for adsorbing the dust and a collecting mechanism for collecting the dust; a cavity for accommodating the dust collection mechanism and the collection mechanism is arranged in the machine body, and a filter screen allowing dust to pass through is arranged on the top surface of the cavity; the collecting mechanism comprises a filtering piece for intercepting dust, the filtering piece is provided with a through hole for the intercepted dust to fall down, the top of the through hole is covered by the filtering net, and the bottom of the through hole is provided with a stopping mechanism capable of closing or opening the through hole; the dust absorption mechanism is arranged on the periphery of the filter piece. Through above-mentioned technical scheme, can fall into filtering piece through the dust on the dust absorption mechanism guide chalk eraser brush, can prevent from this that the dust from wafting and the polluted environment to be convenient for the user to clear up the chalk eraser, solve the inconvenient problem of chalk eraser clearance among the prior art from this.

Description

Device for cleaning chalk eraser dust

Technical Field

The utility model relates to a clean field of teaching aid specifically, relates to a device for clearing up chalk eraser dust.

Background

A chalk eraser is a tool for erasing chalk marks, also called a Blackboard eraser (black eraser).

In the process of wiping the blackboard by the chalk eraser, dust can fall off from the blackboard and be inhaled by a user, so that the body health is influenced. Meanwhile, after the chalk eraser is used for a period of time, dust is accumulated on a brush of the chalk eraser, so that people are required to clean the chalk eraser regularly.

At present mainly adopt and pat or scrape the manual clearance chalk of mode that falls and wipe, the dust of raiseing from this not only makes the user breathing difficulty, still can pollute the environment on every side, has caused secondary pollution. Moreover, the manual cleaning mode is difficult to clean the chalk eraser, so that the subsequent cleaning effect on the blackboard is influenced, and dust is brought to the surface of the blackboard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device for clearing up chalk eraser dust to solve the inconvenient problem of chalk eraser clearance among the prior art.

In order to achieve the purpose, the utility model provides a device for cleaning chalk dust, which comprises a machine body, a dust suction mechanism for absorbing the dust and a collecting mechanism for collecting the dust; a cavity for accommodating the dust collection mechanism and the collection mechanism is arranged in the machine body, and a filter screen allowing dust to pass through is arranged on the top surface of the cavity; the collecting mechanism comprises a filtering piece for intercepting dust, the filtering piece is provided with a through hole for the intercepted dust to fall down, the top of the through hole is covered by the filtering net, and the bottom of the through hole is provided with a stopping mechanism capable of closing or opening the through hole; the dust absorption mechanism is arranged on the periphery of the filter piece.

Optionally, the stopping mechanism comprises a baffle for carrying dust, a sleeve for communicating with the filter element, and a pull rod for connecting with the baffle; the shape and the size of the baffle are matched with those of the cross section of the sleeve, two ends of the baffle are hinged in the sleeve through pin shafts, a support extending downwards is arranged at the bottom of the baffle, and the pull rod sequentially penetrates through the machine body and the sleeve and is hinged with the support to drive the baffle to turn over.

Optionally, the sleeve inner wall and the side close to the pull rod are provided with a support lug for preventing the baffle from excessively overturning, the support lug comprises a vertical section and a horizontal section connected with the vertical section, the vertical section is fixedly arranged on the sleeve inner wall, and the horizontal section is horizontally arranged below the baffle.

Optionally, a stop seat for limiting the moving range of the pull rod is arranged on the pull rod and on the outer surface of the machine body, one end of the stop seat is connected with the pull rod, and the other end of the stop seat is provided with a pull ring.

Optionally, the sleeve is made of a magnetic material, and a magnet which can be adsorbed on the sleeve is arranged on the pull rod and close to the outer surface of the sleeve.

Optionally, the screen is provided with a plurality of discretely arranged bosses.

Optionally, the machine body is further provided with a detection mechanism for detecting the current dust weight on the stop mechanism, an indication mechanism for prompting the current dust weight information, and a first controller electrically connected to the detection mechanism and the indication mechanism, respectively.

Optionally, the detection mechanism is a pressure sensor, and the pressure sensor is arranged on the stop mechanism.

Optionally, an exhaust window is arranged on the machine body; dust absorption mechanism includes the air exhauster, the air exhauster has air intake and air outlet, the air intake sets up filter the periphery of piece, the air outlet with the exhaust window intercommunication.

Optionally, the machine body is further provided with a distance sensor for detecting the position information of the chalk eraser above the filter screen and a second controller respectively connected with the distance sensor and the exhaust fan.

Through the technical scheme, dust on the brush of the chalk eraser can be guided to fall into the filter piece through the dust collection mechanism, so that the dust can be prevented from flying to pollute the environment, and a user can clean the chalk eraser conveniently. The backstop mechanism that filters the setting of piece bottom not only can be used to filter and collect the dust, can also be used to derive the dust, has better flexibility.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of an apparatus for cleaning chalk dust provided by the present disclosure in one embodiment;

FIG. 2 is a rear view of an apparatus for cleaning chalk dust provided by the present disclosure in one embodiment;

FIG. 3 is a perspective view of an apparatus for cleaning chalk dust provided by the present disclosure in one embodiment;

FIG. 4 is a schematic structural view of the stop mechanism provided by the present disclosure in a first state;

fig. 5 is a schematic structural view of the stop mechanism provided by the present disclosure in a second state.

Description of the reference numerals

1-body, 11-chamber, 12-filter screen, 13-exhaust window, 2-stop mechanism, 21-baffle, 22-sleeve, 23-pull rod, 24-support, 25-stop seat, 26-pull ring, 27-magnet, 3-indication mechanism and 4-chalk eraser.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, the use of the directional words such as "upper and lower" in the case where the description is not made to the contrary generally means the upper and lower in the normal use condition of the device for cleaning up the chalk dust provided by the present disclosure. The inner and outer parts refer to the inner and outer parts of the corresponding part contour. In addition, it should be noted that terms such as "first", "second", and the like are used for distinguishing one element from another, and have no order or importance. In the drawings, the same reference numerals denote the same elements.

According to an embodiment of the present disclosure, there is provided an apparatus for cleaning chalk dust, one of which is shown in fig. 1 to 5.

As shown in fig. 1 to 5, the device for cleaning chalk dust comprises a body 1, a dust suction mechanism for adsorbing dust and a collection mechanism for collecting dust; a cavity 11 for accommodating the dust collection mechanism and the collection mechanism is arranged in the machine body 1, a filter screen 12 allowing dust to pass through is arranged on the top surface of the cavity 11, and a chalk eraser can be placed on the filter screen 12 and slightly flicked or knocked, so that dust adhered to a brush of the chalk eraser 4 falls down; collect the mechanism including being used for holding back the filter piece of dust, it is equipped with the through-hole that supplies to hold back the dust whereabouts to filter the piece, the top of through-hole by filter screen 12 covers, the bottom of through-hole is equipped with and seals or open the backstop mechanism 2 of through-hole makes the dust can fall into and filters in the piece. Dust absorption mechanism sets up filter the periphery of piece, and the suction of production can guide the dust to flow towards filtering the piece for the dust can not waft everywhere, and by the separation in filtering the piece. When the chalk brush needs to be cleaned, the stop mechanism 2 closes the through hole, so that dust is blocked in the filter piece; and when the dust needs to be cleaned, the stop mechanism 2 opens the through hole, so that the dust is discharged.

Through the technical scheme, dust on the brush of the chalk eraser 4 can be guided to fall into the filter piece through the dust collection mechanism, so that the dust can be prevented from flying to pollute the environment, and a user can clean the chalk eraser 4 conveniently. Filter backstop mechanism 2 that the piece bottom set up, not only can be used to filter and collect the dust, can also be used to derive the dust, have better flexibility.

In the present disclosure, the filter element is a filter cartridge. In other embodiments, the filter cartridge or the filter membrane can be used, and the disclosure is not limited thereto.

In one embodiment, the filter screen 12 may be snap-fitted to the housing 1 for ease of installation and maintenance. Of course, the connecting rod can be arranged on the machine body in any suitable manner such as threaded connection, insertion connection, hinging and welding, and the disclosure does not limit the connecting rod.

In particular embodiments of the present disclosure, catch mechanism 2 may be configured in any suitable manner.

Alternatively, as shown in fig. 4 and 5, the stopping mechanism 2 may include a baffle 21 for carrying dust, a sleeve 22 for communicating with the filter member, and a pull rod 23 for connecting with the baffle 21; the shape and size of the baffle 21 are matched with the shape and size of the cross section of the sleeve 22, two ends of the baffle 21 are hinged in the sleeve 22 through pin shafts, a support 24 extending downwards is arranged at the bottom of the baffle 21, and the pull rod 23 sequentially penetrates through the machine body 1 and the sleeve 22 and is hinged with the support 24 so as to drive the baffle 21 to turn over. Thereby causing the catch mechanism 2 to have a first state and a second state. In the first state, as shown in fig. 4, the through-holes are closed by the shutter 21, whereby dust can be collected; in the second state, as shown in fig. 5, the shutter 21 can be turned over by pushing or pulling the pull rod 23, thereby allowing the dust to be discharged.

In the present disclosure, the shutter 21 is turned over by pulling out the push rod. Specifically, the inner wall of the sleeve 22 and one side close to the pull rod 23 are provided with a support lug for preventing the baffle 21 from being turned excessively, the support lug comprises a vertical section and a horizontal section connected with the vertical section, the vertical section is fixedly arranged on the inner wall of the sleeve 22, and the horizontal section is horizontally arranged below the baffle 21. Therefore, when the pull rod 23 is pushed out, the baffle 21 is driven to turn towards the side where no support lug is arranged. In addition, the horizontal section is arranged below the baffle plate 21, and is beneficial to keeping the position of the baffle plate 21 smooth.

As shown in fig. 4 and 5, a stop seat 25 for limiting the moving range of the pull rod 23 is disposed on the pull rod 23 and located on the outer surface of the machine body 1, so as to limit the moving range of the pull rod 23, one end of the stop seat 25 is connected to the pull rod 23, and the other end of the stop seat 25 is provided with a pull ring 26, so that whether the baffle plate 21 is reset can be judged according to the distance between the stop seat 25 and the outer surface of the machine body 1, and meanwhile, the arrangement of the pull ring 26 is beneficial to user operation and good in practicability.

In the present disclosure, the sleeve 22 may be made of a magnetic material, and a magnet 27 that can be attracted to the sleeve 22 is disposed on the pull rod 23 and near the outer surface of the sleeve 22. In this case, when the pull rod 23 is pulled, the magnet 27 moves away from the sleeve 22, and a slight force is generated, so that the user can judge whether to pull out the pull rod 23 according to the hand feeling; when the pull rod 23 is pushed to reset the baffle 21, the magnet 27 is adsorbed on the sleeve 22, so that a user can conveniently judge whether the baffle 21 is reset. At the same time, the magnetic force generated by the magnet 27 is also beneficial to preventing the dislocation of the turning plate.

Alternatively, in the present disclosure, the screen 12 may be provided with a plurality of discrete projections, which may help to clean dust hidden in the brush of the chalk eraser, thereby improving the cleaning effect of the brush. Wherein, the boss can be a convex point and can also be a flange, and the disclosure does not limit the same.

Alternatively, a copper wire can be threaded through the filter screen to form a flange, so that dust in the chalk eraser brush can be conveniently scraped.

In a specific embodiment of the present disclosure, the machine body 1 is further provided with a detection mechanism for detecting a current dust weight on the stopping mechanism, an indication mechanism 3 for prompting current dust weight information, and a first controller electrically connected to the detection mechanism and the indication mechanism 3, respectively. The first controller (not shown) is used for controlling whether the indicating mechanism 3 acts or not according to the weight measurement result from the detecting mechanism based on the existing conventional program. Like this, can in time feed back the user with the weight of dust to in time clear up the dust, in order to continue to put into use, have better flexibility.

In the present disclosure, as shown in fig. 1 and 3, the indicating mechanism 3 is an indicator lamp. When the weight of the dust is greater than or equal to a preset weight value in the controller, the indicator light prompts a red light; when the dust weight is less than the preset weight value, the indicating lamp prompts a green light. Of course, still indicating mechanism 3 can also be voice broadcast ware, reminds the user in time to clear up the dust from this, does not do the restriction to this disclosure.

In the present disclosure, the detection mechanism is a pressure sensor, and the pressure sensor is disposed on the stopper mechanism 2. Specifically, a pressure sensor of type DYLF-102 may be selected. The controller can be a programmable logic controller, and the Mitsubishi Q series programmable logic controller is selected and used in the disclosure. As a control center, the PLC may be connected to the pressure sensor and the indicating mechanism 3 by a wire through a signal cable, and may also use various wireless transmission protocols known in the art, such as a GPRS wireless data transmission module and a bluetooth, to implement signal transmission, which is not described in detail in this disclosure.

In the embodiments of the present disclosure, the body 1 may be constructed in any suitable structure.

As shown in fig. 2, in an embodiment provided by the present disclosure, the body 1 may be provided with an exhaust window 13; dust absorption mechanism includes the air exhauster, the air exhauster has air intake and air outlet, the air intake sets up filter the periphery of piece, the air outlet with exhaust window 13 communicates. The setting of exhaust window 13 not only can be convenient for derive the produced wind of hair-dryer, is favorable to cooling to the air exhauster still.

Alternatively, the machine body 1 may further include a distance sensor for detecting position information of the chalk eraser 4 above the filter screen 12 and a second controller respectively connected to the distance sensor and the exhaust fan, where the second controller is configured to control the exhaust fan to operate according to the position information of the chalk eraser 4 above the filter screen 12. Therefore, when the chalk eraser 4 is placed on the filter screen 12, the controller controls the action of the exhaust fan, so that suction force is generated to suck dust; and when the chalk eraser 4 is not arranged, the exhaust fan stops acting, so that the power supply is saved. Therefore, the intelligence of the device for cleaning the chalk dust is improved.

In the present disclosure, an opto-electronic distance sensor of type HG-C1030 is selected as the distance sensor. Of course, instead of a distance sensor, a pressure sensor may be provided below the screen 12 to detect whether the eraser 4 is placed above the screen 12. In addition, the distance sensor may be disposed above the filter screen 12, or may be disposed below the filter screen 12, which is not limited in this disclosure.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a device for clearing up chalk dust that wipes which characterized in that: comprises a machine body (1), a dust suction mechanism for absorbing dust and a collection mechanism for collecting dust;

a chamber (11) for accommodating the dust suction mechanism and the collection mechanism is arranged in the machine body (1), and a filter screen (12) allowing dust to pass through is arranged on the top surface of the chamber (11);

the collecting mechanism comprises a filtering piece for intercepting dust, the filtering piece is provided with a through hole for the intercepted dust to fall, the top of the through hole is covered by the filtering net (12), and the bottom of the through hole is provided with a stopping mechanism (2) capable of closing or opening the through hole;

the dust absorption mechanism is arranged on the periphery of the filter piece.

2. A device for cleaning chalk dust as described in claim 1, characterized in that: the stop mechanism (2) comprises a baffle plate (21) for bearing dust, a sleeve (22) for communicating with the filter element and a pull rod (23) for connecting with the baffle plate (21);

the shape and size of the baffle (21) are matched with the shape and size of the cross section of the sleeve (22), the two ends of the baffle (21) are hinged in the sleeve (22) through pin shafts, a support (24) extending downwards is arranged at the bottom of the baffle (21), and the pull rod (23) sequentially penetrates through the machine body (1) and the sleeve (22) and is hinged to the support (24) so as to drive the baffle (21) to turn over.

3. A device for cleaning chalk dust as described in claim 2, characterized in that: the inner wall of the sleeve (22) is close to one side of the pull rod (23) and is provided with a support lug for preventing the baffle (21) from being overturned excessively, the support lug comprises a vertical section and a horizontal section connected with the vertical section, the vertical section is fixedly arranged on the inner wall of the sleeve (22), and the horizontal section is horizontally arranged below the baffle (21).

4. A device for cleaning chalk dust as described in claim 2, characterized in that: the device is characterized in that a stop seat (25) used for limiting the moving range of the pull rod (23) is arranged on the pull rod (23) and located on the outer surface of the machine body (1), one end of the stop seat (25) is connected with the pull rod (23), and the other end of the stop seat is provided with a pull ring (26).

5. A device for cleaning chalk dust as described in claim 2, characterized in that: the sleeve (22) is made of a magnetic material, and a magnet (27) which can be adsorbed on the sleeve (22) is arranged on the pull rod (23) and close to the outer surface of the sleeve (22).

6. A device for cleaning chalk dust as described in claim 1, characterized in that: the filter screen (12) is provided with a plurality of discretely arranged bosses.

7. A device for cleaning chalk dust as described in claim 1, characterized in that: the dust weight detection device is characterized in that the machine body (1) is further provided with a detection mechanism for detecting the current dust weight on the stop mechanism, an indication mechanism (3) for prompting the current dust weight information, and a first controller electrically connected with the detection mechanism and the indication mechanism (3) respectively.

8. A device for cleaning chalk dust according to claim 7, characterized in that: the detection mechanism is a pressure sensor, and the pressure sensor is arranged on the stop mechanism (2).

9. A device for cleaning chalk dust as described in claim 1, characterized in that: an exhaust window (13) is arranged on the machine body (1);

dust absorption mechanism includes the air exhauster, the air exhauster has air intake and air outlet, the air intake sets up filter the periphery of piece, the air outlet with exhaust window (13) intercommunication.

10. A device for cleaning chalk dust as described in claim 9, characterized in that: the blackboard eraser is characterized in that the machine body (1) is also provided with a distance sensor for detecting the position information of the blackboard eraser (4) above the filter screen (12) and a second controller respectively connected with the distance sensor and the exhaust fan.