Patent Publication Number: US-2023148813-A1

Title: Dust collection bin and cleaning apparatus comprising same

Description:
CROSS-REFERENCE TO RELATED APPLICATION(S) 
     This application is a continuation application, claiming priority under § 365(c), of an International application No. PCT/KR2021/008474, filed on Jul. 5, 2021, which is based on and claims the benefit of a Korean patent application number 10-2020-0110917, filed on Sep. 1, 2020, in the Korean Intellectual Property Office, the disclosure of which is incorporated by reference herein in its entirety. 
    
    
     BACKGROUND 
     1. Field 
     The disclosure relates to a dust collection bin and a cleaning apparatus including the same. More particularly, the disclosure relates to a dust collection bin with an improved structure and a cleaning apparatus including the same. 
     2. Description of Related Art 
     In general, a vacuum cleaner is an appliance that performs cleaning by including a fan motor for generating a suction force to suck foreign materials such as dust together with air through the suction force generated by the fan motor, separate the foreign materials included in the sucked air from the air and then collect the foreign materials. 
     The vacuum cleaner includes a dust collection bin for collecting foreign materials, and a user needs to periodically remove foreign materials collected in the dust collection bin from the vacuum cleaner by discharging the foreign materials from the dust collection bin. 
     The above information is presented as background information only to assist with an understanding of the disclosure. No determination has been made, and no assertion is made, as to whether any of the above might be applicable as prior art with regard to the disclosure. 
     SUMMARY 
     Aspects of the disclosure are to address at least the above-mentioned problems and/or disadvantages and to provide at least the advantages described below. Accordingly, an aspect of the disclosure is to provide a dust collection bin with an improved structure and a cleaning apparatus including the same. 
     Another aspect of the disclosure is to provide a dust collection bin having a gasket with functionality, and a cleaning apparatus including the same. 
     Another aspect of the disclosure is to provide a dust collection bin capable of performing locking and sealing with a gasket having magnetism, and a cleaning apparatus including the same. 
     Another aspect of the disclosure is to provide a dust collection bin capable of performing automatic opening/closing with a gasket having magnetism, and a cleaning apparatus including the same. 
     Additional aspects will be set forth in part in the description which follows and, in part, will be apparent from the description, or may be learned by practice of the presented embodiments. 
     In accordance with an aspect of the disclosure, a dust collection bin detachably coupled to a cleaning apparatus is provided. The dust collection bin includes a case configured to accommodate dust or a foreign material sucked therein, the case including an opening, and a magnet provided around the opening and configured to generate a magnetic force, a cover configured to open or close the opening, and a sealing member provided on the cover, configured to seal between the cover and the case, and being magnetic to be deformable by the magnet. 
     Also, the magnet may be positioned at a location corresponding to the sealing member such that the sealing member applies a sealing force to the case in a closed state of the cover. 
     Also, the sealing member includes a first material (rubber) which is at least one of nitrile-butadiene rubber (NBR), silicon rubber, thermoplastic polyurethane (TPU), or triethyl phosphate (TEP). 
     Also, the sealing member includes a second material obtained by mixing the first material with iron or steel powder of a size of 1 μm to 100 μm by 10 weight percent (wt %) to 80 wt %. 
     Also, the sealing member includes a first sealing portion configured to cover the opening, and a second sealing portion extending from the first sealing portion and being in contact with an inner wall of the case. 
     Also, the second sealing portion includes a free end that is deformable in shape by the magnet. 
     Also, at least one part of the second sealing portion may be formed as a curved surface. 
     Also, at least one portion of the free end may be formed as a curved surface. 
     Also, the magnet may be positioned in a lower end of the case to generate an attraction force with respect to the sealing member. 
     Also, the dust collection bin may further include a rotation device configured to rotate the cover with respect to a main body, and the rotation device includes a rotation shaft, and a torsion spring coupled to the rotation shaft, wherein one end of the torsion spring is connected with the cover and the other end of the torsion spring is connected with the case. 
     Also, the case may further include a locking device configured to lock or unlock the cover. 
     The locking device may further include a locking member configured to fix the cover to the case and release locking of the cover by being pressed by an external force. 
     Also, the case includes a magnet installing portion provided around the opening and configured to install the magnet. 
     Also, upon returning of the cover from an open state by the rotation device, the first sealing portion of the sealing member may cover the opening, and the second sealing portion may be deformed in shape to contact an inner wall of the case and seal the case. 
     In accordance with another aspect of the disclosure, a cleaning apparatus is provided. The cleaning apparatus includes a cleaner body including a suction portion configured to suck dust, and a dust collection bin detachably installed in the cleaner body and configured to separate dust from air sucked through the suction portion and store the dust, wherein the dust collection bin includes a case including a magnet configured to generate magnetism around an opening, a cover configured to open or close the opening, and a sealing member configured to seal between the cover and the case and being magnetic to be deformable in shape by the magnet. 
     Also, the sealing member includes a first sealing portion configured to cover the opening, and a second sealing portion extending from the first sealing portion and being in contact with an inner wall of the case. 
     The magnet may be positioned at a location capable of providing an attraction force to the second sealing portion in a closed state of the cover. 
     Also, the second sealing portion may further include a free end that is deformable in shape by the magnet. 
     Also, the sealing member includes a first material (rubber) which is at least one of nitrile-butadiene rubber (NBR), silicon rubber, thermoplastic polyurethane (TPU), or triethyl phosphate (TEP), and a second material obtained by mixing the first material with iron or steel powder of a size of 1 μm to 100 μm by 10 weight percent (wt %) to 80 wt %. 
     Also, the dust collection bin may further include a torsion spring configured to rotate the cover with respect to the cleaner body, wherein one end of the torsion spring is connected with the cover and the other end of the torsion spring is connected with the case. 
     The dust collection bin according to the disclosure may achieve complete locking by using the gasket having functionality. 
     Also, an effect of automatic opening/closing of opening, upon discharging of dust through an automatic dust discharge system, the cover of the dust collection bin by suction and automatically returning the open cover to a closed position upon operation completion of the automatic dust discharge system may be provided. 
     At this time, the gasket having magnetism may be deformed and tightly pressed against the wall of the dust collection bin, thereby performing complete sealing. 
     Other aspects, advantages, and salient features of the disclosure will become apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses various embodiments of the disclosure. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The above and other aspects, features, and advantages of certain embodiments of the disclosure will be more apparent from the following description taken in conjunction with the accompanying drawings, in which: 
         FIG.  1    is a perspective view of a cleaning apparatus including a dust collection bin according to an embodiment of the disclosure; 
         FIG.  2    shows a state in which a dust collection bin is docked with a docking station according to an embodiment of the disclosure; 
         FIG.  3    is a side cross-sectional view of a docking station in which a dust collection bin is installed according to an embodiment of the disclosure; 
         FIG.  4    is a perspective view of a dust collection bin according to an embodiment of the disclosure; 
         FIG.  5    is an exploded perspective view of a dust collection bin according to an embodiment of the disclosure; 
         FIG.  6    shows a magnet that is installed in a dust collection bin case according to an embodiment of the disclosure; 
         FIG.  7    is a cross-sectional perspective view of a sealing member that is installed in a dust collection bin cover according to an embodiment of the disclosure; 
         FIG.  8    is a side cross-sectional view of a dust collection bin showing an open state of a dust collection bin cover according to an embodiment of the disclosure; 
         FIG.  9    shows a closed state of a dust collection bin cover according to an embodiment of the disclosure; 
         FIG.  10    is an enlarged view of an area A of  FIG.  8   , showing a state of a sealing member while a dust collection bin cover opens according to an embodiment of the disclosure; 
         FIG.  11    is an enlarged view of an area B of  FIG.  9   , showing a state of a sealing member while a dust collection bin cover is closed according to an embodiment of the disclosure; And 
         FIG.  12    is a side cross-sectional view showing a cleaning apparatus including a dust collection bin and a docking station including the dust collection bin according to an embodiment of the disclosure. 
     
    
    
     The same reference numerals are used to represent the same elements throughout the drawings. 
     DETAILED DESCRIPTION 
     The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. It includes various specific details to assist in that understanding but these are to be regarded as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the disclosure. In addition, descriptions of well-known functions and constructions may be omitted for clarity and conciseness. 
     The terms and words used in the following description and claims are not limited to the bibliographical meanings, but, are merely used by the inventor to enable a clear and consistent understanding of the disclosure. Accordingly, it should be apparent to those skilled in the art that the following description of various embodiments of the disclosure is provided for illustration purpose only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents. 
     It is to be understood that the singular forms “a,” “an,” and “the” include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to “a component surface” includes reference to one or more of such surfaces. 
     It will be understood that when the terms “includes,” “comprises,” “including,” and/or “comprising,” when used in this specification, specify the presence of stated features, figures, steps, operations, components, members, or combinations thereof, but do not preclude the presence or addition of one or more other features, figures, steps, operations, components, members, or combinations thereof. 
     Also, it will be understood that, although the terms including ordinal numbers, such as “first,” “second,” etc., used in the disclosure may be used to describe various components, these components should not be limited by these terms. These terms are only used to distinguish one component from another. For example, a first component could be termed a second component, and, similarly, a second component could be termed a first component, without departing from the scope of the disclosure. The term “and/or” includes any and all combinations of one or more of associated listed items. 
     Also, in the following description, the terms “front end,” “rear end,” “upper portion,” “lower portion,” “upper end,” “lower end,” etc., are defined based on the drawings, and the shapes and positions of the components are not limited by the terms. 
     The disclosure may be applied to all home appliances such as a cleaning apparatus that uses a dust collection bin having a cover with a gasket. 
       FIG.  1    is a perspective view of a cleaning apparatus including a dust collection bin according to an embodiment of the disclosure,  FIG.  2    shows a state in which a dust collection bin is docked with a docking station according to an embodiment of the disclosure, and  FIG.  3    is a side cross-sectional view of a docking station in which a dust collection bin is installed according to an embodiment of the disclosure. 
     Referring to  FIGS.  1  to  3   , a cleaning apparatus  1  may include a cleaner body  10 , an extension pipe  11  detachably coupled to the cleaner body  10 , a suction unit  16  detachably coupled to the extension pipe  11 , and a dust collection bin  20  detachably coupled to the cleaner body  10 . 
     The cleaner body  10  may include a suction motor (not shown) for generating a suction force required for sucking foreign materials existing on a floor to be cleaned, and the dust collection bin  20  for collecting foreign materials sucked from the floor to be cleaned. 
     The dust collection bin  20  may be configured to filter dust, rubbish, etc. included in air sucked through the suction unit  16  and collect the dust, rubbish, etc. The dust collection bin  20  may be detachable from the cleaner body  10 . 
     The cleaner body  10  may include a filter housing  14 . The filter housing  14  may be substantially in a donut shape and accommodate a filter (not shown) therein. The filter is not limited in kind, and for example, a high efficiency particulate air (HEPA) filter may be positioned inside the filter housing  14 . The filter may filter ultrafine duct, etc. not filtered in the dust collection bin  20 . 
     The cleaner body  10  may include a handle  12  which a user grips to control the cleaning apparatus  1 . The user may perform cleaning by moving the cleaning apparatus  1  in a front-rear direction while gripping the handle  12 . 
     The cleaner body  10  may further include a controller  13 . The user may turn on/off the cleaning apparatus  1  or adjust suction strength by controlling a power button, etc. provided in the controller  13 . 
     The suction unit  16  may contact a floor to be cleaned. The suction unit  16  may suck foreign materials such as dust existing on the floor to be cleaned by contacting the floor to be cleaned. 
     The suction unit  16  may be connected with the cleaner body  10  by the extension pipe  11 . One end of the extension pipe  11  may be pivotally connected with the suction unit  16  such that the suction unit  16  performs a joint movement with respect to the extension pipe  11 . 
     The extension pipe  11  of the cleaner body  10  may include an extension pipe connecting portion  11   a.  The extension pipe connecting portion  11   a  may separate the extension pipe  11  from the cleaner body  10  or couple the extension pipe  11  to the cleaner body  10 . The extension pipe  11  may include an extension pipe separating button  11   b.  The user may separate the extension pipe  11  from the cleaner body  10  by pressing the extension pipe separating button  11   b.  The user may separate the extension pipe  11  from the cleaner body  10  and then connect the suction unit  16  directly with the cleaner body  10 . 
     The extension pipe  11  of the cleaner body  10  may include a suction unit connecting portion  11   c.  The suction unit connecting portion  11   c  may separate the suction unit  16  from the cleaner body  10  or couple the suction unit  16  to the cleaner body  10 . 
     The cleaner body  10  may further include a battery  15 . The battery  15  may be detachably installed in the cleaner body  10 . 
     Also, the battery  15  may be electrically connected with a charging terminal provided in a cleaner mounting device or a docking station  50 , which is not shown. The battery  15  may be charged by receiving power from the charging terminal provided in the docking station  50 . 
     The cleaning apparatus  1  may be stored or mounted in the docking station  50 . 
     The docking station  50  may include a docking station housing  51  forming an appearance. The docking station  50  may include a docking housing  60  with which the dust collection bin  20  is docked. The docking station  50  may automatically discharge collected materials by changing a suction air current that is supplied to the dust collection bin  20  of the cleaning apparatus  1 . That is, by docking the dust collection bin  20  of the cleaning apparatus  1  with the docking station  50 , automatic discharging by the docking station  50  may be performed. Accordingly, by separating the dust collection bin  20  from the cleaner body  10  of the cleaning apparatus  1  and then docking the dust collection bin  20  with the docking station  50 , dust collected in the dust collection bin  20  may be automatically discharged. An embodiment of the disclosure shows an example in which a docking station is docked with a dust collection bin separated to automatically discharge dust collected in the dust collection bin. However, a concept of the disclosure is not limited to this. For example, the cleaning apparatus  1  may be docked with the docking station  50  to automatically discharge dust collected in the dust collection bin  20 . 
     The docking station housing  51  may include a docking station cover  52  for opening or closing the docking housing  60 . The docking station housing  51  may have a major axis extending in one direction. The major axis may extend preferably in an up-down direction. Accordingly, the docking station  50  may be in a shape of a box extending substantially in the up-down direction. 
     The docking station housing  51  may include a panel  57  that is detachable from a front side of the docking station housing  51 . By separating the panel  57  from the docking station housing  51 , the user may easily replace a dust bag  55  positioned inside the docking station housing  51 . 
     The docking station  50  may include a suction device  70  to discharge dust collected in the dust collection bin  20  from the dust collection bin  20 . The suction device  70  may be positioned below the docking housing  60 . 
     The docking station  50  may include a suction flow path  53  through which foreign materials discharged from the dust collection bin  20  is sucked into the dust bag  55  in the docking housing  60 . 
     The dust bag  55  may be formed of a material that does not pass foreign materials while transmitting air to collect foreign materials entered the dust bag  55  from the dust collection bin  20 . 
     The docking housing  60  may include a resting portion  61  which communicates with the suction flow path  53  and on which the dust collection bin  20  is rested. The resting portion  61  may open upward with respect to the major axis of the docking housing  60 . The resting portion  61  may open to outside in the docking housing  60 , and the dust collection bin  20  may be inserted in the up-down direction in the docking housing  60  and rested on the resting portion  61 . Accordingly, upon docking of the dust collection bin  20  with the docking station  50 , a major axis of the dust collection bin  20  may substantially correspond to the major axis of the docking station housing  51 . 
     The dust collection bin  20  may be in a shape of a cylinder having a major axis that extends in one direction. The dust collection bin  20  may separate foreign materials therein through a centrifugal rotation. A multicyclone  22  may be positioned inside the dust collection bin  20 . The dust collection bin  20  may collect foreign materials below the multicyclone  22 . The dust collection bin  20  may include a first dust collector  23  for primarily collecting relatively great foreign materials, and a second dust collector  24  for collecting relatively small foreign materials by the multicyclone  22 . 
     Both the first dust collector  23  and the second dust collector  24  may open to the outside upon opening of a cover  30  of the dust collection bin  20 . 
     Accordingly, upon opening of the cover  30  positioned in a lower portion of the dust collection bin  20 , foreign materials collected in the dust collection bin  20  may be easily discharged to the resting portion  61 . 
     The suction flow path  53  may transfer a flow of an air current generated by the suction device  70  to the dust collection bin  20 . A suction air current generated by the suction device  70  may be transferred to inside of the dust collection bin  20  along the suction flow path  53  and the resting portion  6 , and foreign materials collected inside the dust collection bin  20  may be discharged from the dust collection bin  20  to the dust bag  55  according to a flow of the suction air current. 
     After the docking station  50  is driven and foreign materials are collected in the dust bag  55 , the user may separate the panel  57 , separate the dust bag  55 , and then discharge the collected foreign materials from the docking station  50 . 
       FIG.  4    is a perspective view of a dust collection bin according to an embodiment of the disclosure,  FIG.  5    is an exploded perspective view of a dust collection bin according to an embodiment of the disclosure,  FIG.  6    shows a magnet that is installed in a dust collection bin case according to an embodiment of the disclosure, and  FIG.  7    is a cross-sectional perspective view of a sealing member that is installed in a dust collection bin cover according to an embodiment of the disclosure. 
     Referring to  FIGS.  4  to  7   , the dust collection bin  20  may include a case  21 , and the cover  30  for opening or closing the case  21  upon docking with the docking station  50 . 
     The case  21  of the dust collection bin  20  may be in a shape of a cylinder, although not limited thereto. However, the dust collection bin  20  may be in a shape of a polygonal pipe. In a lower side of the case  21 , an opening  21   a  may be formed. 
     In a lower end of the case  21 , an opening forming portion  21   b  extending to form the opening  21   a  may be provided. The opening forming portion  21   b  may be provided in the lower end of the case  21 . 
     The dust collection bin  20  may include the cover  30  for opening or closing the opening  21   a  of the case  21 . The cover  30  may be positioned in the lower end of the case  21  and open or close the lower end of the case  21 . 
     The dust collection bin  20  may include the first dust collector  23  for primarily collecting relatively great foreign materials, and the second dust collector  24  for collecting relatively small foreign materials by the multicyclone  22 , as described above. 
     Both the first dust collector  23  and the second dust collector  24  may open to the outside upon opening of the dust collection bin  20  by the cover  30 . Upon opening of the cover  30 , both the first dust collector  23  and the second dust collector  24  may open to the outside. 
     The cover  30  may include a locking protrusion  31  that is coupled to the case  21  to maintain a state of closing the dust collection bin  20 , a cap portion  32  that prevents foreign materials collected in the second dust collector  24  from being scattered to the outside upon closing of the dust collection bin  20 , and a sealing member coupling protrusion  33  that is coupled to a sealing member  100  which will be described below. 
     In the case  21  of the dust collection bin  20 , a locking device  40  for supporting the locking protrusion  31  of the cover  30  to prevent the cover  30  from departing from the lower end of the dust collection bin  20  may be provided. 
     The locking device  40  may lock the cover  30  to the case  21  or unlock the cover  30  from the case  21 . The locking device  40  may include a locking member  41  for fixing the cover  30  to the case  21  and releasing locking of the cover  30  by being pressed by an external force. 
     The locking device  40  may be provided in the case  21 . The locking device  40  of the case  21  may be positioned to correspond to the locking protrusion  31  of the cover  30 . The locking member  41  may be installed at a location corresponding to the locking protrusion  31  of the cover  30 . The locking member  41  may be hook-coupled to the locking protrusion  31  to prevent the locking protrusion  31  from departing from the case  21 . 
     The locking member  41  may rotate on a shaft  41 c by being pressed by an external force. The shaft  41 c of the locking member  41  may be rotatably coupled to a shaft coupling groove  45  provided in the case  21 . The locking member  41  may include a push portion  41   a  that rotates by being pressed by an external force to release hook-coupling with the locking protrusion  31 , and a hook portion  41   b  that interworks with the push portion  41   a  and is hook-coupled to the locking protrusion  31 . 
     The locking device  40  may include an elastic member  43  for maintaining a state in which the hook portion  41   b  is hook-coupled to the locking protrusion  31  while the locking member  41  is not pressed by the push portion  41   a  of the locking member  41 . The elastic member  43  may be installed in an elastic member installing portion  44  formed in the case  21 . 
     The elastic member  43  may be biased to press the hook portion  41   b  toward the locking protrusion  31  such that hook-coupling of the hook portion  4  lb to the locking protrusion  31  is maintained while the cover  30  is in a closed state. That is, the elastic member  43  may press the hook portion  41   b  in an opposite direction of a radial direction of the case  21  to press the hook portion  41   b  toward the locking protrusion  31 . Upon application of a pressing force that is greater than an elastic force of the elastic member  43  to the push portion  41   a,  the hook portion  41   b  may rotate by interworking with the push portion  41   a,  and hook-coupling of the hook portion  41   b  to the locking protrusion  31  may be released. 
     At this time, the cover  30  may depart from the case  21  by gravity to rotate downward on a rotation device  80  which will be described below, and accordingly, the lower end of the case  21  may open. 
     The push portion  41   a  may protrude outward from an outer circumference of the case  21  in a radial direction of a central axis of the case  21 . The user may easily press the push portion  41   a  of the locking member  41 , protruding outward from the outer circumference of the case  21 , to open the dust collection bin  20 . 
     The cover  30  may be rotatable by the rotation device  80  at one side of the lower end of the case  21 . The rotation device  80  may be opposite to the locking device  40 . 
     The rotation device  80  may include a rotation shaft  81  provided on the cover  30 , and a torsion spring  82  coupled to the rotation shaft  81  and supporting the cover  30  and the case  21 . One end of the torsion spring  82  may support the cover  30 , and the other end of the torsion spring  82  may support the case  21 . The torsion spring  82  may include a first support  82   a  for supporting the cover  30 , and a second support portion  82   b  for supporting the case  21  (see  FIG.  8   ). The cover  30  may rotate on the rotation shaft  81  of the cover  30  and then return to an original state by an elastic force of the torsion spring  82 . 
     The cover  30  may include a first torsion spring installing portion  84   a  on which the first support  82   a  of the torsion spring  82  is supported. An embodiment of the disclosure shows an example in which the first torsion spring installing portion  84   a  is a bracket for supporting the first support  82   a  of the torsion spring  82 . However, a concept of the disclosure is not limited to this. A torsion spring installing portion may have any shape capable of supporting both ends of a torsion spring. 
     The rotation device  80  may include a rotation shaft coupling portion  83  provided in the case  21 , wherein the rotation shaft  81  of the cover  30  is coupled to the rotation shaft coupling portion  83 . In the rotation shaft coupling portion  83  of the case  21 , a second torsion spring installing portion  84   b  may be provided to support the second support portion  82   b  of the torsion spring  82 . 
     The rotation shaft  81  of the cover  30  may be rotatably coupled to the rotation shaft coupling portion  83  of the case  21 . The cover  30  may rotate on the rotation shaft  81  coupled to the rotation shaft coupling portion  83  of the case  21  to open or close the lower end of the case  21 . 
     Around the opening  21   a  formed in the lower end of the case  21 , a magnet  200  for generating a magnetic force may be provided. The magnet  200  may be provided around the opening  21   a  of the case  21 . The magnet  200  may be in a shape of a ring. An embodiment of the disclosure shows an example in which a magnet is in a shape of a ring corresponding to a case being in a shape of a cylinder. However, a concept of the disclosure is not limited to this. The magnet may correspond to the shape of the case. 
     In the case  21 , a magnet installing portion  210  for installing the magnet  200  being in a shape of a ring therein may be provided. The magnet installing portion  210  may be provided around the opening  21   a  formed in the lower end of the case  21 . The magnet installing portion  210  may be provided in an outer circumference of the opening forming portion  21   b.  The magnet installing portion  210  may be provided in a circumference of the opening  21   a  to generate a magnetic force around the opening  21   a.  The magnet installing portion  210  may be provided in the entire circumference of the opening  21   a  to improve a sealing force with the cover  30 . The magnet  200  may be inserted in the magnet installing portion  210  provided in the opening  21   a  of the case  21 . 
     On the cover  30 , the sealing member  100  for sealing with the case  21  may be provided. The sealing member  100  may be provided on an outer edge of the cover  30 . The sealing member  100  may be in a shape of a ring. An embodiment of the disclosure shows an example in which the sealing member  100  is in a shape of a ring corresponding to the opening  21   a  being in a shape of a cylinder. However, a concept of the disclosure is not limited to this. For example, the sealing member may have a polygonal shape for sealing between a case having a polygonal shape and a cover having a polygonal shape. 
     The sealing member  100  may be formed of a material having magnetism to be deformable by the magnet  200 . The sealing member  100  may be formed of a material having magnetism. The sealing member  100  may be formed of a material that generates an attraction force with respect to the magnet  200 . 
     The sealing member  100  may include a first material (rubber) which is at least one of nitrile-butadiene rubber (NBR), silicon rubber, thermoplastic polyurethane (TPU), or triethyl phosphate (TEP). 
     The sealing member  100  may include a second material obtained by mixing the first material with iron or steel powder having a size of 1 μm to 100 μm by 10 weight percent (wt %) to 80 wt %. 
     The sealing member  100  may be formed of a material obtained by mixing the first material based on rubber with the second material including a metal. 
     The sealing member  100  may include a first sealing portion  110 , and a second sealing portion  120  extending from the first sealing portion  110 . The first sealing portion  110  and the second sealing portion  120  may be integrated into one body. An embodiment of the disclosure shows an example in which the first sealing portion and the second sealing portion are integrated into one body. However, a concept of the disclosure is not limited to this. For example, the first sealing portion and the second sealing portion may be prepared separately and then coupled to each other. 
     The sealing member  100  may seal between the case  21  and the cover  30  upon closing of the cover  30 . The sealing member  100  may seal between the opening  21   a  of the case  21  and the cover  30  upon closing of the cover  30 . The sealing member  100  may be provided on an outer edge of the cover  30 . 
     The first sealing portion  110  of the sealing member  100  may be in contact with an upper surface of the cover  30 . The first sealing portion  110  may be positioned on an outer edge of the cover  30 . The first sealing portion  110  may include an opening cover portion  111  formed on the outer edge to cover the opening  21   a  of the case  21 . The opening cover portion  111  may correspond to the opening forming portion  21   b  forming the opening  21   a  of the case  21 . The opening cover portion  111  may be in contact with the opening forming portion  21   b  of the case  21 . The opening cover portion  111  of the first sealing portion  110  may be in contact with the opening forming portion  21   b  forming the opening  21   a  of the case  21  to seal the opening  21   a.    
     The second sealing portion  120  of the sealing member  100  may extend from the first sealing portion  110 . The second sealing portion  120  may be connected with the first sealing portion  110  through a cover coupling portion  130 . The cover coupling portion  130  may be coupled to a sealing member coupling protrusion  33  formed in the cover  30 . The cover coupling portion  130  may be formed in a shape of a groove to correspond to the sealing member coupling protrusion  33  of the cover  30 . The cover coupling portion  130  may be inserted in the sealing member coupling protrusion  33  to couple the sealing member  100  to the cover  30 . 
     The second sealing portion  120  may be located above the first sealing portion  110 . An inner side of the second sealing portion  120  may be in contact with the cover  30  and supported by the cover  30 . An outer side of the second sealing portion  120  may be in contact with an inner surface of the case  21  upon coupling of the cover  30  with the case  21 . The second sealing portion  120  may be located above the first sealing portion  110  and tightly pressed against an inner wall of the case  21  to seal the case  21 . At least one part of the second sealing portion  120  may be formed as a curved surface. The second sealing portion  120  may change in shape by an attraction force of the magnet  200  provided in the case  21 . At least one part of the second sealing portion  120  may be deformable by the magnet  200  of the case  21 . At least one part of the second sealing portion  120  may be deformed by the magnet  200  of the case  21  to be tightly pressed against the inner wall of the case  21 . 
     The second sealing portion  120  may include a free end  121  that is deformable in shape by the magnet  200 . The free end  121  may be provided in an outer edge of the second sealing portion  120 . At least one portion of the free end  121  may be formed as a curved surface. At least one portion of the free end  121  may be deformable in shape by the magnet  200 . At least one portion of the free end  121  may be deformable to be tightly pressed against the inner wall of the case  21  by the magnet  200 . 
     In a closed state of the cover  30 , the second sealing portion  120  of the sealing member  100  may stick to the inner wall of the case  21  by the magnet  200  to block leakage of air and achieve complete sealing. Also, a closed position and state of the cover  30  that sticks to the inner wall of the case  21  by magnetism of the magnet  200  may be checked. 
     The magnet  200  of the case  21  may be positioned at a location corresponding to the sealing member  100  such that the sealing member  100  applies a sealing force to the case  21  in a closed state of the cover  30 . The magnet  200  of the case  21  may be positioned at a location of applying an attraction force to the second sealing portion  120  such that the second sealing portion  120  of the sealing member  100  is tightly pressed against the case  21  in the closed state of the cover  30 . 
     An embodiment of the disclosure shows an example in which the second sealing portion  120  has a constant thickness. However, a concept of the disclosure is not limited to this. For example, the free end  121  of the second sealing portion  120  may have different thicknesses. 
       FIG.  8    is a side cross-sectional view of a dust collection bin, showing an open state of a dust collection bin cover according to an embodiment of the disclosure,  FIG.  9    shows a closed state of a dust collection bin cover according to an embodiment of the disclosure,  FIG.  10    is an enlarged view of an area A of  FIG.  8   , showing a state of a sealing member while a dust collection bin cover opens according to an embodiment of the disclosure, and  FIG.  11    is an enlarged view of an area B of  FIG.  9   , showing a state of a sealing member while a dust collection bin cover is closed according to an embodiment of the disclosure. 
     Referring to  FIGS.  8  to  11   , the cover  30  of the dust collection bin  20  may open or close the opening  21   a  of the case  21 . 
     The cover  30  may open the opening  21   a  formed in the lower end of the case  21  by rotating by the rotation device  80  positioned at one side of the lower end of the case  21 . 
     The cover  30  and the case  21  may be locked or unlocked by the locking device  40 . To open the cover  30 , the user may release locking by pushing the locking member  41  of the locking device  40 . 
     In an open state, the locking protrusion  31  of the cover  30  may be unlocked from the locking member  41 , and the cover  30  may rotate with respect to the case  21  on the rotation shaft  81 . At this time, the case  21  may be supported by the second support portion  82   b  of the torsion spring  82  connected with the rotation shaft  81 , and the cover  30  may be supported by the first support portion  82   a  of the torsion spring  82 . 
     In the open state of the cover  30 , the sealing member  100  provided in the cover  30  may be spaced from the opening  21   a  of the case  21 , and accordingly, the shape of the sealing member  100  may be not deformed. 
     The cover  30  may return to an original position by the torsion spring  82 . The cover  30  may rotate on the rotation shaft  81  by a restoring force of the torsion spring  82 . The cover  30  may return toward the opening  21   a  of the case  21  to close the opening  21 a. 
     Upon returning of the cover  30  to the original position, the opening  21   a  of the case  21  may be closed by the cover  30 . By coupling of the locking protrusion  31  of the cover  30  to the locking member  41  by the locking device  40 , the cover  30  may be locked to the case  21 . 
     At this time, the first sealing portion  110  of the sealing member  100  provided on the cover  30  may contact the opening forming portion  21   b  forming the opening  21   a  of the case  21  to cover the opening  21   a,  and the second sealing portion  120  of the sealing member  100  may be deformed by the magnet  200  provided around the opening  21   a  of the case  21  and tightly pressed to the inner wall of the case  21  to thus completely seal the opening  21   a  of the case  21 . 
     The free end  121  of the second sealing portion  120  may move from a first position P 1  to a second position P 2  to contact the inner surface of the case  21  at a wider area by magnetism of the magnet  200 . The second position P 2  may be lower than the first position P 1 . The first position P 1  and the second position P 2  may change according to a position of the magnet  200 . The second position P 2  may be higher than a lower end of the magnet  200 . 
     Accordingly, in a closing operation of the cover  30 , the cover  30  may primarily close the opening  21   a  formed in the lower end of the case  21  by the rotation device  80 , and the sealing member  100  provided on the cover  30  may be deformed by an attraction force of the magnet  200  provided in the opening  21   a  of the case  21  such that the second sealing portion  120  is tightly pressed against the inner wall of the case  21  to secondarily close the opening  21   a,  thereby achieving complete closing of the case  21  by the cover  30 . 
       FIG.  12    is a side cross-sectional view showing a cleaning apparatus including a dust collection bin and a docking station including the dust collection bin according to an embodiment of the disclosure. 
     Referring to  FIG.  12   , a cleaning apparatus lA may include a cleaner body  10 A, an extension pipe  11 A detachably coupled to the cleaner body  10 A, a suction unit  16 A detachably coupled to the extension pipe (not shown), and a dust collection bin  20 A detachably coupled to the cleaner body  10 A. 
     The cleaner body  10 A may include a handle  12 A which a user grips to control the cleaning apparatus  1 A. The cleaner body  10 A may further include a battery  15 A. The battery  15 A may be detachably installed in the cleaner body  10 A. 
     The battery  15 A may be electrically connected with a charging terminal  120 A provided in a cleaner mounting device or a docking station  50 A. The battery  15 A may be charged by receiving power from the charging terminal provided in the docking station  50 A. 
     The cleaning apparatus lA may be stored in or mounted on the docking station  50 A. The docking station  50 A may include a docking station housing  51 A forming an appearance. 
     The docking station  50 A may automatically discharge collected materials by changing a suction air current that is supplied to the dust collection bin  20 A of the cleaning apparatus  1 A. 
     By docking the cleaner body  10 A of the cleaning apparatus  1 A with the docking station  50 A, the battery  15 A may be charged and dust collected in the dust collection bin  20 A may be automatically discharged. 
     The docking station housing  51  may have a major axis extending in one direction. The major axis may extend preferably in an up-down direction. Accordingly, the docking station  50  may be in a shape of a box extending substantially in the up-down direction. 
     The docking station  50 A may include a suction device  70 A to discharge dust collected in the dust collection bin  20 A from the dust collection bin  20 A. The docking station  50 A may include a suction flow path  53 A through which foreign materials discharged from the dust collection bin  20 A is sucked into a dust bag  55 A. 
     Upon docking of the cleaning apparatus lA with the docking station  50 A, a major axis of the dust collection bin  20 A may be perpendicular to the major axis of the docking station  50 A. 
     The dust collection bin  20 A may be docked with the docking station  50 A at a side of the docking station  50 A. Accordingly, a cover  30 A of the dust collection bin  20 A may be rotatably coupled to one side of the case  21 A by a rotation device  80 A. At this time, because the rotation device  80 A is positioned at an upper portion of the dust collection bin  20 A, the cover  30 A may rotate in a counterclockwise direction CCW on the upper portion of the case  21 A. 
     After the cover  30 A rotates and thus an opening  21 Aa of the case  21 A opens, the dust collection bin  20 A may separate foreign materials collected therein through a centrifugal rotation. 
     After dust and foreign materials are completely discharged, the cover  30 A may return to the opening  21 Aa of the case  21 A by a restoring force of the rotation device  80 A. At this time, a sealing member  100 A provided in the cover  30 A may be applied an attraction force by a magnet  200 A provided in the opening  21 A a  of the case  21 A, and accordingly, the sealing member  100 A may be deformed in shape to be tightly pressed against an inner wall of the case  21 A, which improves a sealing force between the case  21 A and the cover  30 A. 
     Details about a structure and operation of the sealing member  100 A for sealing between the dust collection bin  20 A and the cover  30 A applied to the cleaning apparatus lA may be the same as those of the dust collection bin and the cleaning apparatus according to the above-described embodiment, and accordingly, overlapping descriptions will be omitted. 
     While the disclosure has been shown and described with reference to various embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents.