Door body structure and clothes processing equipment

Abstract

The utility model relates to a door body structure and clothes processing equipment, the door body structure is used for closing a roller of the clothes processing equipment, the door body structure comprises: a door body main body, which is provided with a first accommodating cavity and a second accommodating cavity that are arranged separately; the flock filtering device comprises a dust cup and a fan, the dust cup is detachably contained in the first containing cavity, and the fan is contained in the second containing cavity; when the fan is started, under the wind force formed by the fan, the airflow in the roller flows through the dust cup and is filtered by the filtering assembly of the dust cup. The door body structure is provided with the flock filtering device, the flock filtering device filters and intercepts flock in airflow through the dust cup, the dust cup is detachable and convenient to clean in time, the drying efficiency is ensured, in addition, the dust cup and the fan are arranged in a separated mode, in the dust cup assembling and disassembling process, a user is prevented from seeing and touching the fan, the user experience is improved, and the door body structure is suitable for popularization and application. And it is ensured that the fan is not prone to damage.

Description

Technical Field

[0001] This utility model relates to the field of clothing processing equipment technology, and in particular to a door structure and clothing processing equipment. Background Technology

[0002] Clothes dryers can quickly remove moisture from clothes. Existing clothes dryers have a lint filter in the air duct located below the door structure. When the airflow passes through the lint filter, the lint in the airflow is filtered and trapped by the filter screen. If the lint trapped by the filter screen is not cleaned in time, it can easily cause the filter screen to become clogged, affecting the drying efficiency. Utility Model Content

[0003] To address the aforementioned deficiencies in the existing technology, the present invention aims to provide a door structure incorporating a lint filter. This filter uses a dust cup to trap lint in the airflow. Furthermore, the dust cup is detachable for easy and timely cleaning, ensuring efficient drying. Additionally, the dust cup and fan are separated, preventing users from seeing or touching the fan during dust cup installation and removal, thus improving user experience and minimizing the risk of fan damage.

[0004] Therefore, the present invention provides the following technical solution.

[0005] This utility model provides a door structure for closing the roller of a garment processing device, comprising:

[0006] The main body of the door has a first cavity and a second cavity that are separated from each other.

[0007] A lint filter includes a dust cup and a fan. The dust cup is detachably housed in a first cavity, and the fan is housed in a second cavity. When the fan is started, the airflow in the roller flows through the dust cup under the wind force generated by the fan and is filtered by the filter assembly of the dust cup.

[0008] Optionally, the dust cup and the fan are offset in the left-right and / or up-down directions of the main body of the door.

[0009] Optionally, the dust cup and the fan are staggered in the vertical direction of the door body, the dust cup is horizontally arranged in the first cavity along the left-right direction of the door body, and the fan is horizontally arranged in the second cavity along the left-right direction of the door body.

[0010] Optionally, the front side of the door body is recessed in the direction toward the roller to form the second cavity, and a protruding structure is formed on the back side of the door body; the protruding structure is recessed in the direction away from the roller to form the first cavity.

[0011] Optionally, the first cavity has openings on at least two sides;

[0012] And / or, the protruding structure is provided with a door air outlet, the door air outlet is located below the dust cup and communicates with the fan; the dust cup is located above the fan.

[0013] Optionally, the dust cup and the fan are offset in the left-right direction of the main body of the door;

[0014] The fan includes a fan head and a main body. The main body, the fan head, and the dust cup are distributed sequentially along the left and right directions of the main body of the door. The fan head gradually narrows in the direction toward the dust cup. The main body and the dust cup are partially opposite each other in the left and right directions of the main body of the door.

[0015] Optionally, the first cavity includes a first chamber and a second chamber, and the dust cup is detachably housed in the first chamber;

[0016] The second cavity includes a first cavity wall, which is embedded in the second cavity and forms a first protrusion in the second cavity; the first cavity wall partially surrounds the main body in a circumferential direction.

[0017] Optionally, the fan head includes a first head section and a second head section, the first head section and the second head section are distributed sequentially in a direction away from the main body, and the minimum cross-sectional dimension of the first head section is greater than or equal to the maximum cross-sectional dimension of the second head section.

[0018] The second cavity further includes a second cavity wall, which is embedded in the second cavity and forms a second protrusion in the second cavity; the second cavity wall partially surrounds the first head segment circumferentially, and the embedding depth of the second cavity wall is less than the embedding depth of the first cavity wall.

[0019] Optionally, the cross-sectional outer contour of the fan is approximately circular, and the first cavity wall and the second cavity wall are respectively arc-shaped;

[0020] And / or, the second protrusion is used to support the first end of the dust cup, and the second protrusion abuts against the first end face.

[0021] This utility model also provides a garment processing device, which includes a roller and a door structure as described above.

[0022] This utility model has the following technical effects:

[0023] This utility model provides a door structure in which a lint filter is incorporated. The dust cup within this filter effectively traps lint in the circulating airflow of the dryer. The dust cup is detachable, facilitating timely cleaning of the collected lint and the filter components within. The lint filter also includes a fan for active air intake and independent control, resulting in improved performance. Furthermore, because the dust cup and fan are separated during dust cup installation and removal, the fan is not visible to the user. This enhances the user's visual experience and prevents accidental damage to the fan. Attached Figure Description

[0024] Figure 1 This is a partial front view of the door structure of this utility model;

[0025] Figure 2 This is a partial three-dimensional view of the door structure of this utility model. Figure 1 ;

[0026] Figure 3 This is a front view of the main body of the door of this utility model;

[0027] Figure 4 This is a partial rear view of the door structure of this utility model;

[0028] Figure 5 This is a partial three-dimensional structural view of the main body of the door of this utility model;

[0029] Figure 6 This is a rear view of the door structure of this utility model;

[0030] Figure 7 This is a rear view of the back cover of this utility model;

[0031] Figure 8 This is a schematic diagram of the air duct structure of this utility model.

[0032] Explanation of reference numerals in the attached figures

[0033] 100. Door structure;

[0034] 1. Door body; 11. First cavity; 111. First chamber; 112. Second chamber; 1121. First protrusion; 1122. Second protrusion; 12. Second cavity; 121. First cavity wall; 122. Second cavity wall; 13. Protruding structure; 131. Door air outlet; 132. Door air inlet;

[0035] 2. Hair filtration device; 21. Dust cup; 211. First end; 22. Fan; 221. Fan head; 2211. First head section; 2212. Second head section; 222. Main body; 23. Air duct; 231. Air duct inlet; 232. Transfer outlet; 233. Transfer inlet; 234. Air duct outlet;

[0036] 3. Back cover. Detailed Implementation

[0037] To make the technical solution and beneficial effects of this utility model more apparent and understandable, a detailed description is provided below by listing specific embodiments. Unless otherwise defined, the technical and scientific terms used herein have the same meanings as those in the technical field to which this application pertains.

[0038] In the description of this utility model, unless otherwise expressly defined, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this utility model and do not indicate that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. That is, they should not be construed as limitations on this utility model.

[0039] In this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating the relative importance of the indicated features or the number of indicated technical features. Therefore, a feature specified as "first" or "second" can explicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two; "several" means at least one; unless otherwise expressly defined.

[0040] In this utility model, unless otherwise explicitly defined, the terms "installation," "connection," "linking," "fixing," and "setting," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral molding; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can also refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0041] In this utility model, unless otherwise explicitly defined, the terms "above," "on top of," "above," "over," "below," "below," "below," or "below" for "first feature above second feature" can refer to direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Furthermore, "above," "above," and "over" for "first feature above second feature" can mean the first feature is directly above or diagonally above the second feature, or simply indicates that the horizontal height of the first feature is higher than the horizontal height of the second feature. Similarly, "below," "below," and "below" for "first feature below second feature" can mean the first feature is directly below or diagonally below the second feature, or simply indicates that the horizontal height of the first feature is lower than the horizontal height of the second feature.

[0042] In this utility model, "front," "rear," "left," "right," "up," and "down" all refer to... Figure 1 and Figure 2 The markings in the text shall prevail.

[0043] The following is based on Figures 1 to 8 This invention provides a detailed description of the garment processing equipment.

[0044] In this embodiment, the clothing handling device includes a body (not shown in the figure) and a door structure 100. The body includes a drying assembly and a drum for holding clothes. The door structure 100 is used to close the clothing loading port of the drum. When it is necessary to expose the clothing loading port of the drum, the door structure 100 is rotated to the open position, and the user can take out clothes from the drum or place clothes in the drum.

[0045] like Figures 1 to 5 As shown, the door structure 100 includes a door body 1 and a lint filter device 2. The door body 1 has a first cavity 11 and a second cavity 12 that are separated from each other. The lint filter device 2 includes a dust cup 21 and a fan 22. The dust cup 21 includes a dust collection chamber and a filter assembly housed in the dust collection chamber. The dust cup 21 is detachably housed in the first cavity 11, and the fan 22 is housed in the second cavity 12. When the clothing processing equipment runs the drying program, the drying assembly in the machine operates to generate hot airflow. The hot airflow enters the drum, carries away the water in the clothes, and becomes humid hot airflow. The humid hot airflow exits the drum, and after removing the moisture, it becomes dry hot airflow again. The dry hot airflow then enters the drum again, and so on, to achieve drying. During this process, the airflow may be mixed with lint from the clothes. At this time, the fan 22 can be started. Under the wind force generated by the fan 22, the airflow in the drum flows through the dust cup 21, is filtered by the filter assembly of the dust cup 21, and forms clean airflow. The clean airflow exits the door structure 100 and can then enter the drum. It should be understood that "clean airflow" in this article refers to airflow whose dust content meets the basic standard requirements of clothing processing equipment. The dust content of the clean airflow can be adjusted by adjusting the performance of the filter components and the filtration effect.

[0046] In the above technical solution, by configuring a lint filter device 2 in the door structure 100, the dust cup 21 configured in the lint filter device 2 can filter and trap lint in the drying circulating airflow. The trapped lint and dust are collected in the dust cup 21. Furthermore, the dust cup 21 is detachably installed on the door body 1. When it is necessary to clean the dust cup 21, the user can remove the dust cup 21 to facilitate timely cleaning of the lint collected in the dust cup 21 and cleaning of the filter components in the dust cup 21. In addition, the lint filter device 2 is also equipped with a fan 22 to achieve active air intake. If the door structure 100 is required to participate in airflow filtration, the fan 22 is turned on; if the door structure 100 is not required to participate in airflow filtration, the fan 22 is turned off, allowing for independent control and more complete performance. Furthermore, during the loading and unloading of the dust cup 21, since the dust cup 21 and the fan 22 are separated, the user will not see the fan 22 or will not see it easily. On the one hand, this can improve the user's visual perception, and on the other hand, it can prevent the user from accidentally touching the fan 22 and causing damage to the fan 22.

[0047] In one embodiment, the garment processing equipment includes a body air duct with a filter element installed within it to trap lint and debris mixed in with the airflow. When the garment processing equipment operates a drying program, it can simultaneously create two circulating airflow channels. One channel is formed by the body air duct and the drum, while the other is formed by the door structure 100 and the drum. The simultaneous operation of both channels improves drying efficiency. Alternatively, the garment processing equipment can choose to open one circulating airflow channel and close the other while operating the drying program. When the filter element in the body air duct becomes clogged, the door structure 100, in conjunction with the drum, can form a circulating airflow channel to ensure drying efficiency.

[0048] In one implementation, such as Figure 2 and Figure 4 As shown, the dust cup 21 and the fan 22 are offset in the left-right and / or up-down directions of the main body 1 of the door. Specifically, since the door structure 100 needs to cover a large area of ​​the front of the garment processing equipment, the main body 1 of the door has a large space in the left-right and up-down directions. This solution utilizes the original space of the main body 1 of the door in the left-right and / or up-down directions to arrange the dust cup 21 and the fan 22. Compared with the solution of offsetting the dust cup 21 and the fan 22 along the front-back direction of the main body 1, this solution can avoid the increase or excessive increase in the thickness (front-back dimension) of the main body 1 due to the installation of the lint filter device 2, which would ultimately increase the size of the garment processing equipment in the front-back direction, thus limiting the application scenarios of the garment processing equipment and reducing its appearance.

[0049] Furthermore, such as Figure 2 , Figure 4 and Figure 5 As shown, the dust cup 21 and the fan 22 are staggered in the vertical direction of the door body 1. The dust cup 21 can be located above or below the fan 22. The dust cup 21 is horizontally positioned in the first cavity 11 along the left-right direction of the door body 1, and the fan 22 is horizontally positioned in the second cavity 12 along the left-right direction of the door body 1. This arrangement helps to reduce the space occupied by the dust cup 21 and the fan 22 in the vertical and front-back directions of the door body 1.

[0050] Furthermore, such as Figure 2 and Figure 5 As shown, the front of the door body 1 is recessed in the direction towards the roller to form a second cavity 12, and a protruding structure 13 is formed on the back of the door body 11. When the door structure 100 closes the roller, the protruding structure 13 extends at least partially into the roller. The setting of the protruding structure 13 is similar to the door glass structure of existing dryers, with minimal changes to the outer contour of the door structure 100, which conforms to the user's usage habits. Preferably, in order to improve the aesthetics of the door structure 100, the door body 1 is not made of transparent material to cover the lint filter device 2. The protruding structure 13 is recessed in the direction away from the roller to form a first cavity 11, which is convenient to process. Moreover, when it is necessary to clean the dust cup 21, the user can remove the dust cup 21 from the back of the door body 1 by rotating the door structure 100 to the open position, which is convenient to disassemble.

[0051] Furthermore, such as Figure 4 and Figure 5 As shown, the first cavity 11 is open on at least two sides to reduce interference of the cavity wall of the first cavity 11 with the loading and unloading of the dust cup 21, facilitating quick loading and unloading of the dust cup 21. Preferably, as shown... Figure 5 As shown, the first cavity 11 has openings on three sides, making it easier to load and unload the dust cup 21.

[0052] Furthermore, such as Figures 2 to 5 As shown, the protruding structure 13 has a door air outlet 131, which is located below the dust cup 21 and connected to the fan 22. The dust cup 21 is located above the fan 22, that is, the dust cup 21 is located above the bottom wall of the first cavity 11, and the fan 22 is located below the bottom wall of the first cavity 11. Specifically, placing the door air outlet 131 below the dust cup 21, closer to the clothes in the drum, can speed up the drying process. Since the fan 22 is connected to the door air outlet 131, placing the fan 22 below the dust cup 21 shortens the distance between the fan 22 and the door air outlet 131, which can reduce or eliminate the need for piping. The outlet of the fan 22 is directly connected to the door air outlet 131, which is beneficial for the miniaturization design of the door structure 100.

[0053] In one implementation, such as Figure 4 As shown, the protruding structure 13 is also provided with a door air inlet 132. The door air inlet 132 and the door air outlet 131 are located on the left and right sides of the dust cup 21, respectively. This can increase the distance between the door air inlet 132 and the door air outlet 131, and avoid airflow interference between the door structure 100 and the air inlet and outlet.

[0054] In one implementation, such as Figures 2 to 4 As shown, the dust cup 21 and the fan 22 are offset in the left-right direction of the door body 1. The fan 22 includes a fan head 221 and a main body 222. The main body 222, the fan head 221, and the dust cup 21 are distributed sequentially along the left-right direction of the door body 1. The fan head 221 gradually narrows towards the dust cup 21. The main body 222 and the dust cup 21 are partially opposite each other in the left-right direction of the door body 1. Specifically, the dust cup 21 and the fan 22 are offset not only in the vertical direction of the door body 1, but also in the left-right direction. At the same time, by optimizing the outer contour design of the fan head 221 and arranging the main body 222 so that it can be partially opposite the dust cup 21 in the left-right direction of the door body 1, the arrangement is more compact, making full use of the space of the door body 1 in the left-right and vertical directions, which helps to reduce the space occupied by the dust cup 21 and the fan 22 in the vertical direction of the door body 1.

[0055] Furthermore, such as Figure 4 and Figure 5 As shown, the first cavity 11 includes a first chamber 111 and a second chamber 112, and the dust cup 21 is detachably housed in the first chamber 111. Figures 3 to 5 As shown, the second cavity 12 includes a first cavity wall 121, which is embedded in the second chamber 112 and forms a first protrusion 1121 in the second chamber 112; the first cavity wall 121 partially surrounds the main body 222 circumferentially. Specifically, by optimizing the arrangement of the first cavity wall 121, the spare space of the first chamber 111 is rationally utilized to provide as much accommodating space as possible for the main body 222 of the fan 22.

[0056] Furthermore, such as Figure 1 As shown, the fan head 221 includes a first head section 2211 and a second head section 2212. The first head section 2211 and the second head section 2212 are distributed sequentially along a direction away from the main body 222. The maximum cross-sectional dimension of the first head section 2211 is greater than or equal to the minimum cross-sectional dimension of the second head section 2212. Figures 3 to 5 As shown, the second cavity 12 further includes a second cavity wall 122, which is embedded in the second chamber 112 and forms a second protrusion 1122 in the second chamber 112; as Figure 1As shown, the second cavity wall 122 partially surrounds the first head section 2211 circumferentially. By optimizing the arrangement of the second cavity wall 122, the spare space of the first cavity 111 is utilized reasonably, providing as much accommodating space as possible for the first head section 2211 of the fan 22. Furthermore, the embedding depth of the second cavity wall 122 is less than the embedding depth of the first cavity wall 121, that is, as... Figure 5 As shown, the protrusion height of the second protrusion 1122 is less than the protrusion height of the first protrusion 1121, so as to minimize the space occupied by the second cavity wall 122 in the second cavity 112.

[0057] Furthermore, such as Figure 1 and Figure 3 As shown, the cross-sectional outer contour of the fan 22 is roughly circular, and the first cavity wall 121 and the second cavity wall 122 are respectively arc-shaped. The outer contour shapes of the first cavity wall 121 and the second cavity wall 122 match the circumferential outer contour shape of the fan 22, which can minimize space waste.

[0058] Furthermore, such as Figure 4 As shown, the second protrusion 1122 is used to support the first end 211 of the dust cup 21, as... Figure 1 and Figure 4 As shown, the dust cup 21 and the fan 22 are arranged more compactly, and the second protrusion 1122 abuts against the first end 211. By increasing the contact area between the second protrusion 1122 and the first end 211, the second protrusion 1122 can more stably support the first end 211 of the dust cup 21.

[0059] In one implementation, such as Figure 2 and Figure 8 As shown, the lint filter device 2 also includes an air duct 23, which includes an air duct inlet 231, a transfer outlet 232, a transfer inlet 233, and an air duct outlet 234. The door inlet 132, the air duct inlet 231, the transfer outlet 232, the dust cup 21, the transfer inlet 233, the air duct outlet 234, the fan 22, and the door outlet 131 are connected in sequence. Under the air force generated by the fan 22, the airflow in the drum enters the air duct 23 through the door inlet 132 and the air duct inlet 231. The airflow in the air duct 23 first enters the dust cup 21 through the transfer outlet 232, is filtered by the filter assembly, and the resulting clean airflow enters the air duct 23 through the transfer inlet 233. Then, the clean airflow in the air duct 23 enters the fan 22 through the air duct outlet 234, and finally enters the drum through the door outlet 131.

[0060] Furthermore, such as Figure 2 and Figure 5As shown, the air duct 23 is located in the second cavity 12 to minimize the size of the first cavity 11 and avoid an excessively large opening on the back of the main body 1 of the door, which would be detrimental to the seal between the door structure 100 and the roller's feeding port.

[0061] In one implementation, such as Figure 6 and Figure 7 As shown, the door structure 100 also includes a rear cover 3, which is detachably connected to the door body 1. The rear cover 3 is used to seal the first cavity 11. On the one hand, it can improve the aesthetics of the back appearance of the door structure 100, and on the other hand, it can prevent water in the machine from flowing into the first cavity 11. Of course, the door structure 100 may also not have a rear cover 3. For example, the outer contour of the dust cup 21 directly forms part of the back contour of the door structure 100, and a sealing element is provided between the dust cup 21 and the first cavity 11 to ensure airtightness.

[0062] In one embodiment, the door structure 100 further includes a decorative panel (not shown in the figure), which is installed on the front of the door body 1 to cover the second cavity 12 and ensure the aesthetics of the front of the door structure 100.

[0063] It should be understood that "the back of the door body 1" in this article refers to the side surface of the door body 1 facing the drum, and "the front of the door body 1" refers to the side surface of the door body 1 facing away from the drum. When a user uses the dryer, the user usually faces the front of the door body 1.

[0064] It should be understood that the above embodiments are exemplary and are not intended to encompass all possible implementations included in the claims. Various modifications and changes can be made to the above embodiments without departing from the scope of this disclosure. Similarly, the various technical features of the above embodiments can be arbitrarily combined to form other embodiments of this utility model that may not be explicitly described. Therefore, the above embodiments only illustrate several implementations of this utility model and do not limit the scope of protection of this utility model patent.

Claims

1. A door structure, characterized by, The door body structure (100) is used to close a drum of a laundry treating apparatus, comprising: a door body (1) provided with a first cavity (11) and a second cavity (12) arranged separately; a lint filtering device (2) comprising a dust cup (21) and a fan (22), the dust cup (21) being detachably received in the first cavity (11), the fan (22) being received in the second cavity (12); when the fan (22) is started, air flow in the drum flows through the dust cup (21) under the wind force formed by the fan (22) and is filtered by a filtering assembly of the dust cup (21).

2. The door structure of claim 1, wherein, The dust cup (21) and the fan (22) are arranged in a left-right direction and / or an up-down direction of the door body (1).

3. The door structure of claim 2, wherein, The dust cup (21) and the fan (22) are arranged in the up-down direction of the door body (1), the dust cup (21) is arranged in the first cavity (11) in a transverse direction of the door body (1), and the fan (22) is arranged in the second cavity (12) in the transverse direction of the door body (1).

4. The door structure according to claim 3, characterized in that, A front surface of the door body (1) is recessed in a direction towards the drum to form the second cavity (12), and a protruding structure (13) is formed on a back surface of the door body (1); the protruding structure (13) is recessed in a direction away from the drum to form the first cavity (11).

5. The door structure according to claim 4, characterized in that, The first cavity (11) is open on at least two sides; And / or, the protruding structure (13) is provided with a door body air outlet (131), the door body air outlet (131) is located below the dust cup (21) and communicates with the fan (22); the dust cup (21) is located above the fan (22).

6. The door structure according to any one of claims 2-5, wherein, The dust cup (21) and the fan (22) are arranged in the left-right direction of the door body (1); The fan (22) comprises a fan head (221) and a main body (222), the main body (222), the fan head (221) and the dust cup (21) are sequentially distributed in the left-right direction of the door body (1), the fan head (221) gradually narrows in a direction towards the dust cup (21), and the main body (222) and the dust cup (21) are partially opposite in position in the left-right direction of the door body (1).

7. The door structure of claim 6, wherein, The first cavity (11) comprises a first chamber (111) and a second chamber (112), the dust cup (21) is detachably received in the first chamber (111); The second cavity (12) comprises a first cavity wall (121), the first cavity wall (121) is embedded in the second chamber (112) and forms a first protruding portion (1121) in the second chamber (112); the first cavity wall (121) partially circumferentially surrounds the main body (222).

8. The door structure of claim 7, wherein, The fan head (221) comprises a first head section (2211) and a second head section (2212), the first head section (2211) and the second head section (2212) are sequentially distributed in a direction away from the main body part (222), the minimum cross-sectional dimension of the first head section (2211) is greater than or equal to the maximum cross-sectional dimension of the second head section (2212); The second cavity (12) further comprises a second cavity wall (122), the second cavity wall (122) is embedded in the second cavity chamber (112) and forms a second protruding part (1122) in the second cavity chamber (112); the second cavity wall (122) partially circumferentially surrounds the first head section (2211), and the embedding depth of the second cavity wall (122) is less than the embedding depth of the first cavity wall (121).

9. The door structure of claim 8, wherein, The cross-sectional outer contour of the fan (22) is substantially circular, and the first cavity wall (121) and the second cavity wall (122) are respectively in the shape of a circular arc; And / or, the second protruding part (1122) is used to support the first end part (211) of the dust cup (21), and the second protruding part (1122) is in surface-to-surface contact with the first end part (211). 10.A laundry treating apparatus, characterized by, The laundry treating apparatus comprises a drum and the door structure according to any one of claims 1-9.

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