Dryer drum assembly of clothes dryer, and clothes dryer

Abstract

A dryer drum assembly of a clothes dryer, and a clothes dryer. The dryer drum assembly (1) of the clothes dryer comprises: a drum body (30), wherein the drum body (30) has an opening and a clothes access port (31); and a drum door (10), wherein the drum door (10) closes the opening and has a first extension portion (11), and the first extension portion (11) defines a first air inlet cavity (110) communicated with an inner cavity of the drum body (30). The drum door (10) comprises a door body (12) and vent covers (13), the door body (12) is provided with mounting openings (121), the vent covers (13) cover the mounting openings (121), and each vent cover (13) is provided with multiple vent holes (133) arranged at intervals.

Description

Laundry treating drum assembly of a clothes dryer and clothes dryer

[0001] Cross-reference to Related Applications

[0002] The present application is based on and claims priority to Chinese Patent Application No. 202410845221.2, 202421486482.1, filed on June 26, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present application relates to the technical field of clothes dryers, in particular to a laundry treating drum assembly of a clothes dryer and a clothes dryer. BACKGROUND

[0004] The clothes dryer in the related art includes a laundry treating drum, which defines a laundry treating cavity. In order to maintain the air inlet amount and air inlet speed of the laundry treating cavity, a plurality of small-sized ventilation holes are arranged on the rear cover of the laundry treating drum. This method requires stamping a plurality of small-sized ventilation holes on the rear cover of the laundry treating drum, which has a high processing difficulty and high processing cost.

[0005] SUMMARY

[0006] The present application aims to at least solve one of the technical problems in the prior art. To this end, the present application provides a laundry treating drum assembly of a clothes dryer, which arranges a ventilation cover at a mounting port on a cover body by arranging a plurality of large-sized mounting ports on the cover body, thereby reducing the processing difficulty of the cover body and the production cost of the drum cover.

[0007] The present application also provides a clothes dryer having the laundry treating drum assembly.

[0008] The laundry treating drum assembly of the clothes dryer according to the first aspect of the present application comprises: a drum body, which has an open end and a laundry loading / unloading opening at the other end; a drum cover, which closes the open end and has a first extension extending away from the laundry loading / unloading opening, the first extension defining a first air inlet cavity communicating with the inner cavity of the drum body; wherein the drum cover comprises a separately formed cover body and a ventilation cover, the cover body is provided with a mounting port, the ventilation cover is arranged on the cover body and covers the mounting port, and the ventilation cover is provided with a plurality of spaced ventilation holes.

[0009] The laundry treating drum assembly of the clothes dryer according to the present application arranges a ventilation cover at a mounting port on a cover body by arranging a plurality of large-sized mounting ports on the cover body, thereby reducing the processing difficulty of the cover body and the production cost of the drum cover.

[0010] In addition, the laundry treatment drum assembly of the clothes dryer according to the above-mentioned embodiments of the present application can further have the following additional technical features.

[0011] According to some embodiments of the present application, the first extension part comprises an end wall arranged opposite to the clothes loading / unloading opening, and a circumferential wall surrounding the end wall, the ventilation cover comprises a first ventilation part and a second ventilation part connected together; wherein a part of the mounting opening is located on the end wall and another part is located on the circumferential wall, the first ventilation part covers the part of the mounting opening located on the end wall, and the second ventilation part covers the part of the mounting opening located on the circumferential wall.

[0012] According to some optional embodiments of the present application, the plurality of ventilation holes on the ventilation cover are located on the first ventilation part and / or the second ventilation part.

[0013] According to some specific embodiments of the present application, the plurality of ventilation holes on the ventilation cover are located on the first ventilation part and the second ventilation part, and the ratio of the ventilation amount of the first ventilation part to the total ventilation amount of the ventilation cover is greater than 0.3 and less than 1, or equal to 0.3.

[0014] According to some optional embodiments of the present application, the end wall and the circumferential wall are connected by an arc transition, and the first ventilation part and the second ventilation part are connected by an arc transition.

[0015] According to some optional embodiments of the present application, the first ventilation part is perpendicular to the axial direction of the drum body, and the circumferential wall and the second ventilation part gradually extend outward in the direction close to the clothes loading / unloading opening.

[0016] According to some embodiments of the present application, the side of the cover body facing the clothes loading / unloading opening has a mounting recess, the mounting opening is arranged on the bottom wall of the mounting recess, and the ventilation cover is arranged in the mounting recess.

[0017] According to some embodiments of the present application, the hole edge of the mounting opening is provided with a plurality of fixing flanges, the side of the ventilation cover away from the clothes loading / unloading opening is provided with a plurality of fixing columns, the plurality of fixing columns correspond to the plurality of fixing flanges one by one, and each fixing column is connected to the corresponding fixing flange by a fastener; and / or, the hole edge of the mounting opening has a positioning hole, the side of the ventilation cover away from the clothes loading / unloading opening is provided with a positioning column, and the positioning column is inserted into the positioning hole in a fit manner.

[0018] According to some embodiments of the present application, the number of the mounting openings and the ventilation covers is plural, the plurality of mounting openings are arranged in a circumferential direction of the drum cover, and the plurality of ventilation covers correspond to the plurality of mounting openings one by one.

[0019] According to some optional embodiments of the present application, the mounting hole comprises a first hole line and a second hole line, the first hole line is closer to the center of the cover than the second hole line; the first hole line and the second hole line are both arcs, the first hole lines of the plurality of mounting holes are different segment arcs of a first circle, the second hole lines of the plurality of mounting holes are different segment arcs of a second circle, the centers of the first circle and the second circle are both located at the center of the cover.

[0020] According to some specific embodiments of the present application, the mounting hole further comprises two third hole lines, two ends of the two third hole lines are connected to the first hole line and the second hole line respectively, the third hole line is one or a combination of a straight line, an arc, and a broken line.

[0021] According to some embodiments of the present application, the cover further has a second extension extending away from the clothes taking and placing opening, the second extension is located between the first extension and the barrel body, and the first extension extends away from the clothes taking and placing opening relative to the second extension; wherein the second extension defines a second air inlet cavity, the second air inlet cavity is communicated between the first air inlet cavity and the inner cavity of the barrel body.

[0022] According to some embodiments of the present application, the cover body is a metal piece formed integrally, and the ventilation cover is a metal piece or a plastic piece.

[0023] According to a second aspect of the embodiments of the present application, a clothes drying machine is provided, which comprises: an air duct shell assembly, the air duct shell assembly defines a ventilation cavity with a through opening on one side; the clothes treating barrel assembly of the clothes drying machine according to the first aspect of the embodiments of the present application, the cover covers the through opening, the first extension extends into the ventilation cavity from the through opening, and the plurality of ventilation holes are communicated between the first air inlet cavity and the ventilation cavity.

[0024] According to the clothes drying machine of the embodiments of the present application, by using the clothes treating barrel assembly of the clothes drying machine according to the first aspect of the embodiments of the present application, by arranging a plurality of mounting holes with large sizes on the cover body and arranging the ventilation cover at the mounting holes, the processing difficulty of the cover body is reduced, and the production cost of the cover is reduced.

[0025] According to some embodiments of the present application, the cover has a sealing protrusion located at the outer periphery of the first extension, the sealing protrusion is sealingly matched with the air duct shell assembly; and / or the cover is rotatably supported on the air duct shell assembly by a rotating shaft.

[0026] Additional aspects and advantages of the present application will be in part apparent and in part expressly stated in the description that follows. BRIEF DESCRIPTION OF DRAWINGS

[0027] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings in which:

[0028] FIG. 1 is a structural schematic view of a laundry treating drum assembly according to an embodiment of the present application;

[0029] FIG. 2 is a structural schematic view of a drum cover in one direction according to an embodiment of the present application;

[0030] FIG. 3 is a structural schematic view of a drum cover in another direction according to an embodiment of the present application;

[0031] FIG. 4 is an enlarged view of A in FIG. 3;

[0032] FIG. 5 is a side view of a drum cover according to an embodiment of the present application;

[0033] FIG. 6 is a front view of a drum cover according to an embodiment of the present application;

[0034] FIG. 7 is a sectional view of B-B in FIG. 6;

[0035] FIG. 8 is an enlarged view of C in FIG. 7;

[0036] FIG. 9 is a rear view of a drum cover according to an embodiment of the present application;

[0037] FIG. 10 is a structural schematic view of a cover body according to an embodiment of the present application;

[0038] FIG. 11 is a structural schematic view of a plurality of ventilation covers according to an embodiment of the present application;

[0039] FIG. 12 is a structural sectional view of a laundry treating drum assembly and an air duct housing assembly according to an embodiment of the present application;

[0040] FIG. 13 is an enlarged view of D in FIG. 11.

[0041] Laundry treating drum assembly 1, drum cover 10, first extension 11, first air inlet cavity 110, end wall 111, peripheral wall 112, cover body 12, mounting port 121, first hole line 1211, second hole line 1212, third hole line 1213, mounting recess 122, fixing flange 125, positioning hole 126, protrusion 129, ventilation cover 13, first ventilation portion 131, second ventilation portion 132, ventilation hole 133, second extension 14, second air inlet cavity 140, fixing column 25, positioning column 26,

[0042] Drum body 30, laundry loading / unloading port 31, laundry treating cavity 32, rotating shaft 41, fixing bracket 42, bearing 43, air duct housing assembly 70, ventilation cavity 71. DETAILED DESCRIPTION

[0043] Embodiments of the present application are described below in detail, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as limiting the present application.

[0044] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "vertical", "width", "thickness", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0045] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0046] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication or interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include the first and second features directly contacting, or the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height.

[0048] A laundry treatment drum assembly 1 of a clothes dryer according to an embodiment of the present application is described below with reference to the accompanying drawings.

[0049] As shown in FIGS. 1-5, the clothes processing drum assembly 1 of the clothes dryer according to the embodiments of the present application comprises a drum body 30 and a drum cover 10.

[0050] The drum body 30 has an open end and a clothes loading / unloading opening 31 at the other end, and a user can put clothes requiring drying treatment into the inner cavity of the drum body 30 from the clothes loading / unloading opening 31, and the drum cover 10 closes the open end and has a first extension 11 extending away from the clothes loading / unloading opening 31, and the first extension 11 defines a first air inlet cavity 110 communicating with the inner cavity of the drum body 30, and by extending the first extension 11 away from the clothes loading / unloading opening 31, the first air inlet cavity 110 communicates with the inner cavity of the drum body 30, which facilitates increasing the volume of the clothes processing cavity 32 defined by the drum body 30 and the drum cover 10 together, so as to facilitate increasing the maximum drying capacity of the clothes dryer, and at the same time, by increasing the volume of the clothes processing cavity 32, it is convenient to increase the contact area of the clothes and air in the clothes processing cavity 32, thereby facilitating improving the efficiency when the clothes are dried.

[0051] Among them, the drum cover 10 comprises a separately formed cover body 12 and a ventilation cover 13, the cover body 12 is provided with a mounting opening 121, and the ventilation cover 13 is arranged on the cover body 12 and covers the mounting opening 121, and the ventilation cover 13 is provided with a plurality of spaced-apart ventilation holes 133, and external air can enter the inner cavity of the drum body 30 through the plurality of ventilation holes 133 on the ventilation cover 13 to dry the clothes in the clothes processing cavity 32.

[0052] It can be understood that the number of mounting openings 121 on the cover body 12 is much smaller than the sum of the number of ventilation holes 133 on the plurality of ventilation covers 13, and the size of the mounting opening 121 is also larger than the size of the ventilation hole 133, and if a plurality of small holes are directly machined on the cover body 12, due to the large size of the cover body 12 and the large number of small holes, the machining difficulty is large and the machining cost is high.

[0053] And the present application forms a plurality of larger mounting openings 121 on the cover body 12, and then arranges the ventilation cover 13 at the mounting opening 121, and sets a plurality of spaced-apart ventilation holes 133 on the ventilation cover 13, which can make the ventilation cover 13 and the cover body 12 be different materials, and the size of the ventilation cover 13 is smaller than the size of the cover body 12, and the machining difficulty of forming a plurality of spaced-apart ventilation holes 133 on the ventilation cover 13 is low, so compared with the scheme of directly machining a plurality of small holes on the cover body 12, the machining difficulty is smaller, and the machining cost is reduced.

[0054] According to the clothes processing drum assembly 1 of the clothes dryer according to the embodiments of the present application, by arranging a plurality of larger mounting openings 121 on the cover body 12 and arranging the ventilation cover 13 at the mounting opening 121, the machining difficulty of the cover body 12 is reduced, and the production cost of the drum cover 10 is reduced.

[0055] A laundry treating drum assembly 1 of a clothes dryer according to embodiments of the present application is described below with reference to the accompanying drawings.

[0056] In some embodiments of the present application, as shown in Figs. 1-5, the laundry treating drum assembly 1 comprises a drum body 30 and a drum cover 10.

[0057] In some embodiments of the present application, as shown in Fig. 3, as shown in Fig. 7, the first extension 11 comprises an end wall 111 opposite to the laundry loading / unloading opening 31, a circumferential wall 112 surrounding the end wall 111, and the ventilation cover 13 comprises a first ventilation portion 131 and a second ventilation portion 132 connected together, wherein a portion of the mounting opening 121 is located on the end wall 111 and another portion of the mounting opening 121 is located on the circumferential wall 112, the first ventilation portion 131 covers the portion of the mounting opening 121 located on the end wall 111, and the second ventilation portion 132 covers the portion of the mounting opening 121 located on the circumferential wall 112, which facilitates air to enter the laundry treating cavity 32 from different directions of the drum body 30, thereby facilitating to reduce the drying dead angle and improve the drying efficiency.

[0058] Specifically, the laundry treating cavity 32 defined by the drum body 30 and the drum cover 10, the cover body 12 defines the first extension 11 extending in a direction away from the laundry loading / unloading opening 31, and the first extension 11 is provided to increase the volume of the laundry treating cavity 32, so that a portion of the mounting opening 121 is located on the end wall 111 to enable air to enter the laundry treating cavity 32 from the axial ventilation hole 133 of the drum body 30, and another portion of the mounting opening 121 is located on the circumferential wall 112 to enable air to enter the laundry treating cavity 32 from the circumferential ventilation hole 133 of the drum body 30, which on the one hand facilitates to increase the air intake of the laundry treating cavity 32 to enable the clothes in the laundry treating cavity 32 to be fully dried, and on the other hand facilitates to enable air to enter the laundry treating cavity 32 from different directions of the drum body 30 to reduce the drying dead angle and improve the drying efficiency.

[0059] Wherein, when the laundry treating drum assembly 1 rotates, the clothes in the laundry treating cavity 32 are prone to stick to the inner wall of the laundry treating cavity 32 under the action of centrifugal force, and the clothes sticking to the inner wall of the laundry treating cavity 32 are not easy to be dried, which causes that part of the area of the clothes cannot be dried and is always damp during drying the clothes. By locating another portion of the mounting opening 121 on the circumferential wall 112, air intake of the laundry treating cavity 32 in the circumferential direction is facilitated to enable the air to dry the clothes sticking to the inner wall of the laundry treating cavity 32, which facilitates to reduce the drying dead angle and improve the drying effect of the clothes dryer.

[0060] In some optional embodiments of the present application, the plurality of air vents 133 on the ventilation cover 13 are located at the first ventilation part 131 to achieve uniform air intake at the first ventilation part 131, so that when the air from the axial side of the drum body 30 enters the first air intake cavity 110 through the first ventilation part 131, the clothes in the clothes treatment cavity 32 can be evenly dried.

[0061] In some embodiments, the first ventilation part 131 is located inside the second ventilation part 132. When the external air enters the first air intake cavity 110 through the plurality of air vents 133 on the plurality of first ventilation parts 131, the air vents 133 have a pressurization effect on the air, so that the air flowing into the drum body 30 has strong penetration ability, thereby achieving the effect of central penetration drying.

[0062] In some embodiments, the air vents 133 form polygonal holes. For example, the air vents 133 can form triangular holes, quadrilateral holes, hexagonal holes, etc. In this way, on the basis of ensuring the air intake amount, a part of the sound waves can be blocked to achieve noise reduction.

[0063] In some optional embodiments of the present application, as shown in FIG. 2, the plurality of air vents 133 on the ventilation cover 13 are located at the second ventilation part 132 to achieve uniform air intake at the second ventilation part 132, so that when the air from the circumferential side of the drum body 30 enters the cavity of the drum body 30 through the second ventilation part 132, the part of the clothes attached to the inner wall of the drum body 30 can be evenly dried.

[0064] In some embodiments, the second ventilation part 132 is located outside the first ventilation part 131. When the external air enters the first air intake cavity 110 through the plurality of air vents 133 on the plurality of second ventilation parts 132, the air vents 133 have a pressurization effect on the air, so that the air flowing into the drum body 30 has strong penetration ability, thereby achieving the effect of penetration drying.

[0065] In some specific embodiments of the present application, as shown in FIGS. 2 and 3, the plurality of air vents 133 on the ventilation cover 13 are located at the first ventilation part 131 and the second ventilation part 132. The ratio of the ventilation amount of the first ventilation part 131 to the total ventilation amount of the ventilation cover 13 is greater than 0.3 and less than 1, or equal to 0.3, to ensure the air intake amount into the middle part of the cavity of the drum body 30, thereby ensuring the drying of the clothes in the middle part of the cavity of the drum body 30 and ensuring the effect of central drying of the clothes dryer.

[0066] Specifically, the air volume at the first ventilation part 131 is used to ensure the air inlet to the middle part of the drum body 30, to ensure the central drying effect of the clothes dryer, and the air volume at the second ventilation part 132 is used to ensure the air inlet to the circumferential wall 112 of the drum body 30, to reduce the drying dead angle, and thus the part of the clothes attached to the circumferential wall 112 of the drum body 30 can be fully dried. The ratio of the air volume of the first ventilation part 131 to the total air volume of the ventilation cover 13 is greater than 0.3 and less than 1, or equal to 0.3, that is, the ratio of the air volume of the second ventilation part 132 to the total air volume of the ventilation cover 13 is greater than 0 and less than 0.7, or equal to 0.7, so as to ensure that the clothes dryer has better central drying effect and can dry the clothes attached to the circumferential wall 112 of the drum body 30.

[0067] In the ratio of the air volume of the first ventilation part 131 to the total air volume of the ventilation cover 13 is 0.3, the ratio of the air volume of the second ventilation part 132 to the total air volume of the ventilation cover 13 is 0.7; correspondingly, in the ratio of the air volume of the first ventilation part 131 to the total air volume of the ventilation cover 13 is 0.5, the ratio of the air volume of the second ventilation part 132 to the total air volume of the ventilation cover 13 is 0.5; in the ratio of the air volume of the first ventilation part 131 to the total air volume of the ventilation cover 13 is 0.8, the ratio of the air volume of the second ventilation part 132 to the total air volume of the ventilation cover 13 is 0.2.

[0068] In some optional embodiments of the present application, the end wall 111 and the circumferential wall 112 are connected by a circular arc transition, so that the end wall 111 and the circumferential wall 112 are smoothly transitioned, avoiding that the end wall 111 and the circumferential wall 112 have a sharp angle, and avoiding that the angle hooks the clothes in the inner cavity of the drum body 30.

[0069] In some optional embodiments of the present application, the first ventilation part 131 and the second ventilation part 132 are connected by a circular arc transition, so that the first ventilation part 131 and the second ventilation part 132 are smoothly transitioned, avoiding that the first ventilation part 131 and the second ventilation part 132 have a sharp angle, and avoiding that the angle hooks the clothes in the inner cavity of the drum body 30.

[0070] In some optional embodiments of the present application, as shown in FIG. 7, the first ventilation part 131 is perpendicular to the axial direction of the drum body 30, and the circumferential wall 112 and the second ventilation part 132 gradually extend outward in the direction close to the clothes taking and placing opening 31, so that the external air smoothly enters the inner cavity of the drum body 30 from the mounting opening 121 on the circumferential wall 112 and the second ventilation part 132, so as to be able to dry the clothes attached to the circumferential wall 112.

[0071] In addition, the first ventilation part 131 is perpendicular to the axial direction of the drum body 30, so that the first ventilation parts 131 of a plurality of ventilation covers 13 are in the same plane perpendicular to the axial direction of the drum body 30, facilitating to improve the appearance of the clothes dryer.

[0072] As shown in FIG. 5, in the present embodiment, air in the external environment flows from back to front, the clothes taking and placing opening 31 is located at the front side of the drum cover 10, and in the direction from back to front, the peripheral wall 112 and the second ventilation part 132 extend gradually outwardly, air enters the first air inlet cavity 110 from the first ventilation part 131 and the second ventilation part 132 from back to front, if the peripheral wall 112 and the second ventilation part 132 extend in the front-back direction (it should be understood here that the above-mentioned direction is defined only for the convenience of describing the drawings, and will not limit the actual setting position and direction of the clothes treatment drum assembly 1 of the clothes dryer), the peripheral wall 112 and the second ventilation part 132 are parallel to the flow direction of the air, which will cause it difficult for the external air to enter the first air inlet cavity 110 through the second ventilation part 132, thus, the peripheral wall 112 and the second ventilation part 132 gradually extend outwardly in the direction close to the clothes taking and placing opening 31, so that the air can enter the first air inlet cavity 110 through the second ventilation part 132 during the flow process, and then dry the clothes attached to the peripheral wall 112, so as to reduce the drying dead angle of the clothes and avoid the situation that when the clothes dryer stops working, some areas of the clothes are still wet.

[0073] It should be explained here that the inner and outer are relative to the axis of the drum body 30, the side of the peripheral wall 112 close to the axis of the drum body 30 is the inner side, and the side of the peripheral wall 112 away from the axis of the drum body 30 is the outer side.

[0074] In some embodiments of the present application, as shown in FIGS. 7 and 8, the side of the cover body 12 close to the clothes taking and placing opening 31 is provided with a mounting recess 122, the mounting opening 121 is arranged on the bottom wall of the mounting recess 122, and the ventilation cover 13 is arranged in the mounting recess 122, so that the position of the ventilation cover 13 can be preliminarily limited by the mounting recess 122, thereby facilitating the subsequent fixation of the ventilation cover 13.

[0075] In some embodiments, as shown in FIG. 5, the drum cover 10 comprises the cover body 12 and the ventilation cover 13, the cover body 12 comprises the peripheral wall 112 and the end wall 111, the cover body 12 is a sheet metal part, and the mounting recess 122 can be formed on the side of the cover body 12 close to the clothes taking and placing opening 31 by stamping, and the protrusion 129 is formed on the other side of the cover body 12. The side wall of the mounting recess 122 extends in the direction from the inner side to the outer side close to the clothes taking and placing opening 31, so as to facilitate reducing the stamping difficulty.

[0076] In some embodiments, as shown in FIGS. 6 and 7, the extension direction of the base surface of the inner wall surface of the end wall 111 is perpendicular to the axial direction of the drum body 30, the mounting recess 122 can be formed on the base surface by stamping the base surface, and the protrusion 129 is formed on the outer wall surface of the end wall 111, and after the ventilation cover 13 is mounted into the mounting recess 122, the first ventilation part 131 is perpendicular to the axial direction of the drum body 30.

[0077] In some embodiments of the present application, as shown in FIG. 3 and FIG. 4, the hole edge of the mounting port 121 is provided with a plurality of fixing flanges 125, and the side of the ventilation cover 13 away from the clothes taking and placing opening 31 is provided with a plurality of fixing columns 25, the plurality of fixing columns 25 correspond to the plurality of fixing flanges 125 one by one, and each fixing column 25 is connected with the corresponding fixing flange 125 through a fastener to fix the ventilation cover 13 at the mounting port 121.

[0078] In some embodiments of the present application, as shown in FIG. 3 and FIG. 4, the hole edge of the mounting port 121 is provided with a positioning hole 126, and the side of the ventilation cover 13 away from the clothes taking and placing opening 31 is provided with a positioning column 26, the positioning column 26 is inserted into the positioning hole 126 to preliminarily limit the position of the ventilation cover 13 at the mounting port 121, thereby facilitating subsequent fixation.

[0079] In some embodiments, as shown in FIG. 4, the positioning column 26 includes two limiting rods, and the two limiting rods have a force away from each other, wherein when the two limiting rods are moved towards each other, the diameter of the positioning column 26 as a whole becomes smaller, and at this time the positioning column 26 can pass through the positioning hole 126 at the hole edge of the mounting port 121, and when the two limiting rods are loosened, the two limiting rods move away from each other to abut against the inner wall of the positioning hole 126, thereby realizing the cooperation between the positioning column 26 and the positioning hole 126 and positioning the ventilation cover 13 at the mounting port 121.

[0080] In some embodiments, the positioning column 26 is detachably connected with the ventilation hole 133 on the ventilation cover 13, which facilitates the adjustment of the position of the positioning column 26 on the ventilation cover 13.

[0081] As shown in FIG. 4, in the present embodiment, the hole edge of the mounting port 121 is provided with two positioning holes 126 and four fixing flanges 125, the four fixing flanges 125 are arranged at intervals along the circumference of the mounting port 121, and the two positioning holes 126 are arranged on both sides of one of the fixing flanges 125, when fixing the ventilation cover 13 at the mounting port 121, the positioning column 26 can be first fixed at a specified position of the ventilation cover 13, and then the positioning column 26 is passed through the positioning hole 126 from front to back, at this time the fixing column 25 on the ventilation cover 13 corresponds to the fixing flange 125 one by one, and the fixing column 25 and the fixing flange 125 are fixed together by a fastener, thereby fixing the ventilation cover 13 at the mounting port 121.

[0082] In some embodiments of the present application, the number of mounting ports 121 and ventilation covers 13 is plural, the plurality of mounting ports 121 are arranged at intervals along the circumference of the drum cover 10, and the plurality of ventilation covers 13 correspond to the plurality of mounting ports 121 one by one, which facilitates to ensure the uniformity of air inflow in the circumferential direction of the inner cavity of the drum body 30 and to improve the drying efficiency of the clothes dryer.

[0083] Wherein, since the cover body 12 is arranged opposite to the clothes taking and putting opening 31, the ventilation covers 13 on the cover body 12 will be exposed from the clothes taking and putting opening 31, and the plurality of mounting holes 121 are arranged at intervals in the circumferential direction of the drum cover 10, so as to realize the orderly and interval arrangement of the plurality of ventilation covers 13 in the circumferential direction of the drum cover 10, which facilitates to improve the aesthetic degree of the arrangement of the plurality of ventilation covers 13 on the cover body 12, and further improve the aesthetic degree of the clothes drying machine.

[0084] In addition, the plurality of ventilation covers 13 arranged at intervals in the circumferential direction of the drum cover 10 can form a dynamic visual effect when the clothes treatment drum assembly 1 rotates, further improving the aesthetic degree of the clothes drying machine.

[0085] In some optional embodiments of the present application, as shown in FIG. 6 and FIG. 10, the mounting hole 121 comprises a first hole line 1211 and a second hole line 1212, the first hole line 1211 is closer to the center position of the drum cover 10 than the second hole line 1212, and the first hole line 1211 and the second hole line 1212 are both arc lines, the first hole line 1211 of the plurality of mounting holes 121 is a different segment arc line of a first circle, the second hole line 1212 of the plurality of mounting holes 121 is a different segment arc line of a second circle, and the centers of the first circle and the second circle are both located at the center of the drum cover 10, which facilitates to harmoniously arrange the plurality of mounting holes 121 on the cover body 12, and further facilitates to improve the aesthetic degree of the clothes drying machine.

[0086] In some specific embodiments of the present application, the mounting hole 121 further comprises two third hole lines 1213, the two ends of the two third hole lines 1213 are connected with the first hole line 1211 and the second hole line 1212 respectively, and the third hole line 1213 is one or a combination of a straight line, an arc line and a broken line.

[0087] As shown in FIG. 6, in the present embodiment, the first extension 11 comprises an end wall 111 and a circumferential wall 112, a part of the mounting hole 121 is located on the end wall 111 and another part is located on the circumferential wall 112, wherein the first hole line 1211 is located on the end wall 111, and the second hole line 1212 is located on the circumferential wall 112. It can be understood that the third hole line 1213 is a broken line, the third hole line 1213 comprises a first broken line and a second broken line, the first broken line is located on the end wall 111, the second broken line is located on the circumferential wall 112, and the connection between the first broken line and the second broken line is the connection between the end wall 111 and the circumferential wall 112.

[0088] Wherein, the first broken line and the second broken line can be circularly arc transitionally connected, or an included angle can be formed between the first broken line and the second broken line, and the third hole line 1213 can be circularly arc transitionally connected with the first hole line 1211 and the second hole line 1212, which is not limited here.

[0089] In addition, the first hole along line 1211, the second hole along line 1212 and the two third holes along line 1213 form a petal-shaped mounting port 121, and similarly, in order to adapt to the shape of the mounting port 121, the ventilation is also in a petal-shaped shape, so that when the cover body 12 appears at the clothes taking and placing opening 31, the visual effect can be improved, and the appearance of the clothes dryer can be improved.

[0090] In some embodiments of the present application, as shown in FIG. 5, FIG. 7, the drum cover 10 also has a second extension 14 extending away from the clothes taking and placing opening 31, the second extension 14 is located between the first extension 11 and the drum body 30 and the first extension 11 extends away from the clothes taking and placing opening 31 relative to the second extension 14, wherein the second extension 14 defines a second air inlet cavity 140, the second air inlet cavity 140 is communicated between the first air inlet cavity 110 and the inner cavity of the drum body 30, and the clothes processing cavity 32 is defined between the drum cover 10 and the drum body 30. By providing the second extension 14, the volume of the clothes processing cavity 32 can be increased, thereby facilitating the increase of the maximum drying capacity of the clothes dryer. At the same time, by increasing the volume of the clothes processing cavity 32, the contact area between the clothes and the air in the clothes processing cavity 32 can be increased, thereby facilitating the improvement of the efficiency of the clothes drying process.

[0091] In some embodiments of the present application, the cover body 12 is an integrally formed metal piece, which facilitates the reduction of connection structures and facilitates the molding, thereby facilitating the improvement of the connection reliability of the end wall 111 and the peripheral wall 112 and the improvement of the production efficiency.

[0092] Among them, the mounting port 121 can be formed by stamping processing on the metal piece, which is convenient and efficient.

[0093] In some embodiments, the cover body 12 includes the second extension 14, the end wall 111 and the peripheral wall 112, wherein the second extension 14, the peripheral wall 112 and the end wall 111 are sequentially from outside to inside, and the second extension 14, the peripheral wall 112 and the end wall 111 are integrally formed metal pieces, which facilitates the reduction of connection structures between the end wall 111 and the peripheral wall 112 and between the peripheral wall 112 and the second extension 14.

[0094] In some embodiments of the present application, the ventilation cover 13 is a metal piece or a plastic piece, the metal piece has higher structural strength and better appearance uniformity with the cover body 12, and the plastic piece has lighter weight and lower cost.

[0095] A clothes dryer according to embodiments of the present application is described below. The clothes dryer according to embodiments of the present application includes an air duct shell assembly 70 and a clothes processing drum assembly 1 of the clothes dryer according to the above embodiments of the present application.

[0096] The air duct shell assembly 70 defines an air duct 71 with an opening on one side, the drum cover 10 covers the opening and the first extension 11 extends into the air duct 71 from the opening, the plurality of air vents 133 communicate the first air inlet cavity 110 and the air duct 71, and air in the air duct 71 enters the inner cavity of the drum body 30 from the plurality of air vents 133 through the opening to dry the clothes in the inner cavity of the drum body 30.

[0097] The drum cover 10 and the drum body 30 define a clothes treatment cavity 32, the first extension 11 extends into the air duct 71 from the opening, and the capacity of the clothes treatment cavity 32 is no longer limited by the space behind the air duct shell assembly 70, thereby increasing the capacity of the clothes treatment cavity 32.

[0098] According to the clothes dryer provided by the embodiment of the present application, by using the clothes treatment drum assembly 1 of the clothes dryer provided by the above-mentioned embodiment of the present application, the plurality of large-sized mounting openings 121 are arranged on the cover body 12, and the air duct 13 is arranged at the mounting openings 121, so as to facilitate reducing the processing difficulty of the cover body 12, and further reducing the production cost of the drum cover 10.

[0099] In some embodiments of the present application, the drum cover 10 has a sealing protrusion located at the outer periphery of the first extension 11, the sealing protrusion is sealingly matched with the air duct shell assembly 70 to seal the gap between the air duct shell assembly 70 and the drum cover 10, so as to ensure the sealing of the two, and air in the air duct 71 can smoothly enter the inner cavity of the drum body 30 from the plurality of air vents 133 through the opening.

[0100] In some optional embodiments of the present application, the drum cover 10 is rotatably supported on the air duct shell assembly 70 through the rotating shaft 41, so that the clothes treatment drum assembly 1 can rotate relative to the air duct shell assembly 70 to realize uniform drying of clothes.

[0101] In some embodiments, the drum cover 10 is provided with the rotating shaft 41 on the side away from the clothes loading / unloading opening 31, and the plurality of mounting openings 121 are arranged on the outer side of the rotating shaft 41 and spaced along the axial direction of the rotating shaft 41, so as to reserve a position for the rotating shaft 41 while increasing the air duct area as much as possible, thereby facilitating increasing the air inlet amount of the inner cavity of the drum body 30.

[0102] In some embodiments, as shown in FIGS. 12 and 13, the cover body 12 includes an end wall 111 and a peripheral wall 112, the peripheral wall 112 surrounds the end wall 111, one end of the rotating shaft 41 is fixedly connected with the end wall 111 through the fixed support 42, and the other end of the rotating shaft 41 is supported on the air duct shell assembly 70 of the clothes dryer through the bearing 43, so that the rotating shaft 41 is rotatably connected with the air duct shell assembly 70, and the clothes treatment drum assembly 1 is rotatably supported on the air duct shell assembly 70.

[0103] In other embodiments, the rotating shaft 41 is fixed to the end wall 111, for example, the rotating shaft 41 is integrally formed with the end wall 111, and the other end of the rotating shaft 41 is supported on the air duct housing assembly 70 of the clothes dryer through a bearing 43, so that the rotating shaft 41 is rotatably connected to the air duct housing assembly 70, and the laundry treatment drum assembly 1 is rotatably supported on the air duct housing assembly 70.

[0104] Other configurations and operations of the clothes dryer according to the embodiments of the present application are known to those skilled in the art, and thus will not be described in detail herein.

[0105] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified. In the description of the present application, the first feature "above" or "below" the second feature can include the first and second features in direct contact, or the first and second features not in direct contact but in contact through another feature therebetween.

[0106] In the description of the present application, the first feature "above", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature.

[0107] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0108] In the description of the application, reference to "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that a particular feature, structure, material, or characteristic being described is included in at least one embodiment or example of the application. The appearances of the phrase in various places in the specification are not necessarily referring to the same embodiment or example. Furthermore, the described particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.

[0109] Although embodiments of the application have been shown and described, it is to be understood that various modifications, substitutions, alternatives, and variations can be made in the application by those of ordinary skill in the art without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

[0110] In the description of the application, reference to "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that a particular feature, structure, material, or characteristic being described is included in at least one embodiment or example of the application. The appearances of the phrase in various places in the specification are not necessarily referring to the same embodiment or example. Furthermore, the described particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.

[0111] Although embodiments of the application have been shown and described, it is to be understood that various modifications, substitutions, alternatives, and variations can be made in the application by those of ordinary skill in the art without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

Claims

1. A laundry treating drum assembly of a laundry dryer, wherein, The application relates to a laundry dryer, comprising: a barrel body, one axial end of the barrel body being provided with an open end and the other end being provided with a laundry loading / unloading opening; a barrel cover, the barrel cover closing the open end and being provided with a first extension part extending in a direction away from the laundry loading / unloading opening, the first extension part defining a first air inlet cavity in communication with an inner cavity of the barrel body; wherein the barrel cover comprises a separately formed cover body and a ventilation cover, the cover body being provided with a mounting opening, the ventilation cover being arranged on the cover body and covering the mounting opening, the ventilation cover being provided with a plurality of spaced-apart ventilation holes.

2. The laundry treating drum assembly of the laundry dryer according to claim 1, wherein, The first extension part comprises an end wall arranged opposite the laundry loading / unloading opening and a circumferential wall surrounding the end wall, and the ventilation cover comprises a first ventilation part and a second ventilation part connected to each other; wherein a part of the mounting opening is located on the end wall and another part of the mounting opening is located on the circumferential wall, the first ventilation part covering the part of the mounting opening located on the end wall, and the second ventilation part covering the part of the mounting opening located on the circumferential wall.

3. The laundry treating drum assembly of the laundry dryer according to claim 2, wherein, The plurality of ventilation holes on the ventilation cover are located on the first ventilation part and / or the second ventilation part.

4. The laundry treating drum assembly of the laundry dryer according to claim 3, wherein, The plurality of ventilation holes on the ventilation cover are located on the first ventilation part and the second ventilation part, and the ratio of the ventilation amount of the first ventilation part to the total ventilation amount of the ventilation cover is greater than 0.3 and less than 1, or equal to 0.

3.

5. The laundry treating drum assembly of the laundry dryer according to claim 2 or 3, wherein, The end wall and the circumferential wall are connected in a circular arc transition mode, and the first ventilation part and the second ventilation part are connected in a circular arc transition mode.

6. The laundry treatment drum assembly of any one of claims 2-5, wherein, The first ventilation part is perpendicular to the axial direction of the barrel body, and the circumferential wall and the second ventilation part gradually extend outward in a direction close to the laundry loading / unloading opening.

7. The laundry treating drum assembly of any one of claims 1-6, wherein, One side of the cover body towards the laundry loading / unloading opening is provided with a mounting recess, the mounting opening is arranged on a bottom wall of the mounting recess, and the ventilation cover is arranged in the mounting recess.

8. The laundry treatment drum assembly of any one of claims 1-7, wherein, The hole edge of the mounting opening is provided with a plurality of fixing flanges, one side of the ventilation cover away from the laundry loading / unloading opening is provided with a plurality of fixing columns, the plurality of fixing columns correspond to the plurality of fixing flanges in position, and each fixing column is connected to the corresponding fixing flange through a fastener; and / or The hole edge of the mounting opening is provided with a positioning hole, and one side of the ventilation cover away from the laundry loading / unloading opening is provided with a positioning column, the positioning column is inserted into the positioning hole in a fit mode.

9. The laundry treatment drum assembly of any one of claims 1-8, wherein, The number of the mounting openings and the ventilation covers is plural, the plurality of mounting openings are arranged in a circumferential direction of the barrel cover, and the plurality of ventilation covers correspond to the plurality of mounting openings one by one.

10. The laundry treating drum assembly of the laundry dryer according to claim 9, wherein, The mounting opening comprises a first hole edge line and a second hole edge line, and the first hole edge line is closer to the center position of the barrel cover than the second hole edge line; The first hole edge line and the second hole edge line are both arc lines, the first hole edge lines of the plurality of mounting openings are different segment arc lines of a first circle, the second hole edge lines of the plurality of mounting openings are different segment arc lines of a second circle, and the centers of the first circle and the second circle are both located at the center of the barrel cover.

11. The laundry treating drum assembly of the laundry dryer according to claim 10, wherein, The mounting opening further comprises two third hole edge lines, the two ends of the two third hole edge lines are connected to the first hole edge line and the second hole edge line respectively, and the third hole edge line is one or a combination of a straight line, an arc line and a broken line.

12. The laundry treatment drum assembly of any one of claims 1-11, wherein, The cylinder cover further has a second extension extending in a direction away from the clothes taking and putting opening, the second extension being located between the first extension and the cylinder body and the first extension extending in a direction away from the clothes taking and putting opening relative to the second extension; The second extension defines a second air inlet cavity, the second air inlet cavity being communicated between the first air inlet cavity and the inner cavity of the cylinder body.

13. The laundry treatment drum assembly of any one of claims 1-12, wherein, The cover body is an integrally formed metal piece, and the ventilation cover is a metal piece or a plastic piece.

14. A clothes dryer, wherein, The laundry treating drum assembly comprises: The air duct shell assembly defines a ventilation cavity having an opening on one side; The laundry treating drum assembly is the laundry treating drum assembly of the clothes dryer according to any one of claims 1-13, the cylinder cover covers the opening and the first extension extends into the ventilation cavity from the opening, and the plurality of ventilation holes communicate the first air inlet cavity and the ventilation cavity.

15. The clothes dryer of claim 14, wherein, The cylinder cover has a sealing protrusion located at the periphery of the first extension, the sealing protrusion being sealingly matched with the air duct shell assembly; and / or the cylinder cover is rotatably supported on the air duct shell assembly by a rotating shaft.

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