Clothes dryer

Abstract

The clothes dryer comprises an inner cylinder provided with an air inlet and a hot air assembly, a drying cylinder is detachably connected in the inner cylinder, the drying cylinder comprises a rotary telescopic support and a telescopic wind shielding piece, and the telescopic wind shielding piece is connected with the rotary telescopic support to define a drying cavity. And the rotary telescopic bracket telescopically adjusts the radial length of the drying cylinder so as to change the volume of the drying cavity. According to the clothes dryer, the drying cylinder detachably connected with the inner cylinder is arranged in the inner cylinder of the clothes dryer, when the number of clothes needing to be dried is small, the clothes can be placed in the drying cylinder to be dried, the drying efficiency of the clothes is improved, and the drying cylinder can change the volume of the drying cavity by rotating the telescopic support. Therefore, a user can adjust the radial length of the drying cylinder according to the number of clothes, then the volume of the drying cavity is adjusted, the utilization rate of dry hot air is increased, the drying efficiency of the drying cylinder is further improved, the time needed for drying is shortened, energy is saved, and meanwhile the use experience of the user is greatly improved.

Description

Technical Field

[0001] This utility model specifically relates to a clothes dryer. Background Technology

[0002] Currently, most dryers on the market have large inner drums for storing clothes. When users have a small amount of clothes to dry, a large amount of hot, dry air enters the inner drum but does not make sufficient contact with the clothes. Instead, it is directly released from the air outlet of the inner drum. Only a small amount of hot, dry air can come into contact with the clothes to dry them, wasting the hot, dry air produced by the dryer. At the same time, the drying time is longer, resulting in a poor user experience. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a clothes dryer to solve the problem of low drying efficiency when drying a small amount of clothes.

[0004] To solve the above-mentioned technical problems, this utility model adopts the following technical solution: A clothes dryer includes an inner drum with an air inlet and a hot air assembly that supplies hot air to the inner drum through the air inlet. A drying drum connected detachably to the air inlet is located within the inner drum. The drying drum includes a rotating telescopic support and a telescopic baffle. The telescopic baffle is connected to the rotating telescopic support to form a drying chamber for holding clothes. The rotating telescopic support adjusts the radial length of the drying drum by extending and retracting to change the volume of the drying chamber. This technical solution has the following technical effects:

[0005] This invention features a detachably connected drying drum within the inner drum of a dryer. Users can choose whether to use the drying drum based on the quantity of clothes to be dried. When drying a large quantity of clothes, they can be placed directly into the inner drum. When drying a smaller quantity, the clothes can be placed inside the drying drum. The drying drum's volume is smaller than the inner drum's, allowing the hot, dry air entering the drum to concentrate within the smaller drying chamber, ensuring sufficient contact with the clothes and improving drying efficiency. Because the drying drum's volume can be adjusted by rotating a telescopic support, users can also adjust the drum's radial length when drying a small quantity of clothes, thereby adjusting the drying chamber's volume and improving the utilization rate of hot, dry air. This further enhances the drying efficiency, shortens drying time, saves energy, and significantly improves the user experience.

[0006] In the aforementioned dryer, the rotating telescopic support includes multiple connecting rods extending axially along the drying drum and two rotating telescopic assemblies located at opposite ends of the drying chamber. The connecting rods are connected between the two rotating telescopic assemblies, and a telescopic baffle is connected to the connecting rods to surround the drying chamber. When the rotating telescopic assemblies extend or retract radially along the drying drum, they can drive the connecting rods to move radially along the drying drum, thereby expanding or reducing the volume of the drying chamber. The connecting rods form a supporting frame for the telescopic baffle, ensuring that the volume of the drying chamber enclosed by the telescopic baffle remains stable.

[0007] In the aforementioned dryer, the telescopic baffle includes multiple telescopic baffle plates. Each telescopic baffle plate comprises an inner plate and an outer plate rotatably connected to two adjacent connecting rods. The outer plate has a receiving groove, and the inner plate is slidably connected within the receiving groove. The inner and outer plates slide relative to each other to change their volume with the drying drum. When the rotating telescopic assembly drives the connecting rods to move radially along the drying drum, the distance between two adjacent connecting rods changes, causing the inner and outer plates to slide relative to each other. That is, when the user changes the volume of the drying drum, the telescopic baffle automatically extends or shortens with the change in the distance between the connecting rods, reducing operational difficulty and improving the user experience.

[0008] In the aforementioned dryer, the rotary telescopic assembly includes a support plate and an adjusting plate rotatably connected, as well as multiple support rods and adjusting rods. The support rods and adjusting rods are movably connected, with the support rods fixed to the outer periphery of the support plate. Both ends of the adjusting rods are rotatably connected to the adjusting plate and a connecting rod, respectively. The adjusting plate rotates to move the end of the adjusting rod connected to the connecting rod closer to or away from the support plate. When the user rotates the adjusting plate, the end of the adjusting rod connected to the adjusting plate moves together. The adjusting rod is movably connected to the support rod, allowing the support rod to guide and limit the adjusting rod, causing the end of the adjusting rod connected to the connecting rod to move closer to or away from the support plate, thus enabling the connecting rod to move radially along the drying drum. The rotatably connected support plate and adjusting plate allow the user to change the drying drum volume simply by rotating the plate, making operation simple and convenient.

[0009] In the aforementioned dryer, a sliding protrusion is provided at the end of the support rod away from the support plate, and a groove extending axially along the middle of the adjusting rod is provided, with the sliding protrusion inserted into the groove. When the adjusting rod moves with the adjusting plate, the sliding protrusion rotates relative to the groove and moves along the extension direction of the groove. The structure is simple and reliable, and the guiding effect is good.

[0010] In the aforementioned dryer, the adjusting plate is equipped with a locking element, which locks onto the support plate to prevent the adjusting plate from rotating freely relative to the support plate. When the user rotates the adjusting plate to its designated position, the locking element can be locked onto the support plate to prevent the adjusting plate from rotating freely relative to the support plate. This ensures that the volume of the drying drum remains stable during operation, preventing the drying drum from freely expanding and contracting and affecting the drying of clothes.

[0011] In the aforementioned dryer, the inner drum includes an annular cylindrical wall and a back plate forming a receiving cavity. The air inlet includes multiple air inlet holes penetrating the back plate, and the drying drum is detachably connected to the back plate. By mounting the drying drum on the back plate, a uniform gap can be formed between the drying drum and the annular cylindrical wall of the inner drum during drying. If the inner drum rotates during drying, even if the drying drum vibrates slightly, the gap can prevent the drying drum from colliding with the inner drum, thus avoiding damage to both the inner and outer drums and reducing noise during drying.

[0012] In the aforementioned type of dryer, the dryer also includes a body, with an inner drum rotatably connected to the body. The body has an air inlet cavity located between the back panel and the hot air assembly. When the inner drum rotates, the air inlet communicates with the hot air assembly through the air inlet cavity. The dry, hot air output from the hot air assembly first enters the air inlet cavity and then enters the drying drum through the air inlet. The air inlet cavity's design ensures that the air inlet remains connected to the hot air assembly while the inner drum rotates, guaranteeing a stable and continuous flow of dry, hot air into the drying drum for efficient drying of clothes.

[0013] In the aforementioned dryer, the air inlet of the drying drum and the air outlet of the hot air assembly are positioned opposite each other, so that the projection of the hot air assembly's air outlet on the vertical plane coincides with the projection of the drying drum's air inlet on the vertical plane. When the inner drum is not rotating for drying, most of the dry hot air rushing out of the hot air assembly's air outlet directly enters the drying drum's air inlet through the air inlet, with only a small amount diffusing within the air inlet cavity, thus improving the drying effect of the drying drum.

[0014] In the aforementioned dryer, a hook is located at the center of the back panel, and a hanging ring is provided on the drying drum to cooperate with the hook. Users only need to hang the hanging ring on the hook to complete the installation between the drying drum and the back panel, reducing assembly difficulty and improving the user experience.

[0015] The features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0017] Figure 1 A three-dimensional view of the drying cylinder assembled in the inner cylinder;

[0018] Figure 2 This is a three-dimensional view of the inner cylinder;

[0019] Figure 3 Three-dimensional drying drum Figure 1 ;

[0020] Figure 4 Three-dimensional drying drum Figure 2 ;

[0021] Figure 5 A 3D view of the rotating telescopic support when it is deployed;

[0022] Figure 6 for Figure 5 Enlarged view of part A;

[0023] Figure 7 A 3D view of the rotating telescopic support when it is reduced in size;

[0024] Figure 8 This is a schematic diagram of the assembly of the telescopic windshield and the connecting rod.

[0025] Figure label:

[0026] 100. Inner cylinder; 110. Annular cylinder wall; 120. Back plate; 121. Hook; 130. Air inlet;

[0027] 200. Drying drum;

[0028] 300. Rotary telescopic bracket; 310. Rotary telescopic assembly; 311. Support plate; 312. Adjusting plate; 313. Support rod; 3131. Annular section; 3132. Strip section; 3133. Sliding protrusion; 314. Adjusting rod; 3141. Slide groove; 315. Locking element; 316. Rotating shaft; 320. Connecting rod;

[0029] 400. Telescopic windbreak component; 410. Telescopic windbreak panel; 411. Inner panel; 412. Outer panel; 4121. Receiving groove;

[0030] 510. Air inlet; 520. Corrugated pipe; 530. Cover plate; 540. Hanging ring; 550. Drying chamber. Detailed Implementation

[0031] The present invention discloses a clothes dryer, including an inner drum with an air inlet and a hot air assembly that supplies hot air to the inner drum through the air inlet. A drying drum connected to the air inlet is detachably connected to the inner drum. The drying drum includes a rotating telescopic bracket and a telescopic wind deflector. The telescopic wind deflector is connected to the rotating telescopic bracket to form a drying chamber for holding clothes. The rotating telescopic bracket adjusts the radial length of the drying drum by telescopic adjustment to change the volume of the drying chamber. This invention features a detachably connected drying drum within the inner drum of a dryer. Users can choose whether to use the drying drum based on the quantity of clothes to be dried. When drying a large quantity of clothes, they can be placed directly into the inner drum. When drying a smaller quantity, the clothes can be placed inside the drying drum. The drying drum's volume is smaller than the inner drum's, allowing the hot, dry air entering the drum to concentrate within the smaller drying chamber, ensuring sufficient contact with the clothes and improving drying efficiency. Because the drying drum's volume can be adjusted by rotating a telescopic support, users can also adjust the drum's radial length when drying a small quantity of clothes, thereby adjusting the drying chamber's volume and improving the utilization rate of hot, dry air. This further enhances the drying efficiency, shortens drying time, saves energy, and significantly improves the user experience.

[0032] The technical solutions of the present utility model will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present utility model.

[0033] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "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 convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more, unless otherwise expressly defined.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of 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.

[0036] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0037] Example 1:

[0038] A type of dryer, such as Figures 1 to 8 As shown, the device includes an inner drum 100 and a hot air assembly. An air inlet 130 is located at the rear of the inner drum 100. The hot air assembly supplies hot air to the inner drum 100 through the air inlet 130. A drying drum 200 for holding clothes is detachably connected to the inner drum 100. The drying drum 200 communicates with the air inlet 130, allowing hot air to enter and dry the clothes inside. The drying drum 200 includes a rotating telescopic support 300 and a telescopic baffle 400. The telescopic baffle 400 is connected to the rotating telescopic support 300, and together they form a drying chamber 550 for holding clothes. The rotating telescopic support 300 can extend and retract, adjusting the radial length of the drying drum 200. The telescopic baffle 400 extends and retracts along with the rotating telescopic support 300, thereby changing the volume of the drying chamber 550.

[0039] This invention features a drying drum 200 detachably connected to the inner drum 100 of a dryer. Users can choose whether to use the drying drum 200 based on the quantity of clothes to be dried. When there are many clothes, they can be placed directly in the inner drum 100; when there are fewer clothes, they can be placed in the drying drum 200. The volume of the drying drum 200 is smaller than that of the inner drum 100, allowing the hot, dry air entering the drying drum 200 to be more concentrated in the smaller drying chamber 550, ensuring sufficient contact with the clothes and improving drying efficiency. Since the volume of the drying chamber 550 can be adjusted by rotating the telescopic bracket 300, users can also adjust the radial length of the drying drum 200 to adjust the volume of the drying chamber 550 when drying a small quantity of clothes, further improving the utilization rate of the hot, dry air and increasing the drying efficiency of the drying drum 200. This reduces drying time, saves energy, and significantly enhances the user experience.

[0040] In this embodiment, the rotating telescopic support 300 includes two rotating telescopic components 310 and multiple connecting rods 320. The two rotating telescopic components 310 are located at both ends of the drying chamber 550, and the multiple connecting rods 320 are arranged parallel between the two rotating telescopic components 310 and extend along the axial direction of the drying cylinder 200 to surround the periphery of the drying chamber 550. The two ends of the connecting rods 320 are respectively connected to the two rotating telescopic components 310. The telescopic baffle 400 is connected to the connecting rods 320 to surround the drying chamber 550. When the rotating telescopic components 310 extend or retract radially along the drying cylinder 200, they can drive the connecting rods 320 to move radially along the drying cylinder 200 to expand or shrink the volume of the drying chamber 550. The connecting rods 320 can form a supporting skeleton for the telescopic baffle 400 to ensure that the volume of the drying chamber 550 surrounded by the telescopic baffle 400 remains stable.

[0041] The telescopic windbreak component 400 in this embodiment includes multiple telescopic windbreak plates 410 with the same structure. The telescopic windbreak plate 410 is a rigid structure made of metal or polymer material. A telescopic windbreak plate 410 is provided between any two adjacent connecting rods 320. The telescopic windbreak plate 410 includes an inner plate 411 and an outer plate 412 arranged in parallel. The ends of the inner plate 411 and the outer plate 412 that are far apart are respectively rotatably connected to two adjacent connecting rods 320. The outer plate 412 is provided with a receiving groove 4121 with an opening facing the inner plate 411. The end of the inner plate 411 that is close to the outer plate 412 is slidably connected in the receiving groove 4121. When the rotating telescopic component 310 drives the connecting rod 320 to move radially along the drying cylinder 200, the distance between two adjacent connecting rods 320 changes, which in turn causes the inner plate 411 and the outer plate 412 to slide relative to each other. That is, when the user changes the volume of the drying cylinder 200, the telescopic windbreak component 400 can automatically extend or shorten with the change in the distance between the connecting rods 320, reducing the difficulty of operation and improving the user experience.

[0042] The rotating telescopic assembly 310 includes a stacked support plate 311 and an adjusting plate 312, as well as multiple support rods 313 and multiple adjusting rods 314. The support plate 311 and the adjusting plate 312 are rotatably connected by a pivot 316 passing through them, so that the adjusting plate 312 can rotate relative to the support plate 311 when pushed by the user. The support rods 313 are fixed to the outer periphery of the support plate 311. The multiple adjusting rods 314 are arranged around the adjusting plate 312. One end of the adjusting rod 314 is rotatably connected to the outer periphery of the adjusting plate 312, and the other end is rotatably connected to the connecting rod 320. The middle part of the adjusting rod 314 is movably connected to the support rod 313, so that the two can undergo relative displacement or relative rotation. When the user rotates the adjusting plate 312, it causes the end of the adjusting rod 314 connected to the adjusting plate 312 to move together. The adjusting rod 314 is movably connected to the support rod 313, allowing the support rod 313 to guide and limit the adjusting rod 314, causing the end of the adjusting rod 314 connected to the connecting rod 320 to move closer to or further away from the support plate 311, thus enabling the connecting rod 320 to move radially along the drying cylinder 200. The rotatable connection between the support plate 311 and the adjusting plate 312 allows the user to change the volume of the drying cylinder 200 simply by rotating it, making the operation simple and convenient. Preferably, the support rod 313 includes an annular segment 3131 surrounding the support plate 311 and a strip segment 3132 connecting the annular segment 3131 and the support plate 311. A sliding protrusion 3133 is provided at the end of the support rod 313 away from the support plate 311. That is, a cylindrical sliding protrusion 3133 is provided on the annular segment 3131. The sliding protrusion 3133 is provided in a one-to-one correspondence with the adjusting rod 314. A sliding groove 3141 is provided in the middle of the adjusting rod 314. The sliding groove 3141 extends along the axial direction of the adjusting rod 314. The sliding protrusion 3133 is inserted into the sliding groove 3141. When the adjusting rod 314 moves with the adjusting plate 312, the sliding protrusion 3133 rotates relative to the sliding groove 3141 and moves along the extension direction of the sliding groove 3141. The structure is simple and reliable, and the guiding effect is good.

[0043] To prevent the adjusting plate 312 from rotating freely relative to the support plate 311 after user operation, thus causing changes in the volume of the drying drum 200, this embodiment provides a locking member 315 on the adjusting plate 312. When the user rotates the adjusting plate 312 to its designated position, the locking member 315 can be locked to the support plate 311 to prevent the adjusting plate 312 from rotating freely relative to the support plate 311. This ensures that the volume of the drying drum 200 remains stable during operation, preventing the drying drum 200 from freely expanding and contracting, which would affect the drying of clothes. The locking member can be a clamping plate that holds the support plate and the adjusting plate together, or a pin that passes through the adjusting plate and extends into the support plate to limit their movement.

[0044] In this embodiment, the inner cylinder 100 includes an annular cylindrical wall 110 and a back plate 120. The back plate 120 is located at the rear of the annular cylindrical wall 110 to form a receiving cavity together with the annular cylindrical wall 110. The air inlet 130 includes multiple air inlet holes distributed on and penetrating the back plate 120. The drying cylinder 200 is detachably connected to the back plate 120. By mounting the drying cylinder 200 on the back plate 120, a uniform gap can be formed between the drying cylinder 200 and the annular cylindrical wall 110 of the inner cylinder 100 during drying. If the inner cylinder 100 rotates during drying, even if the drying cylinder 200 vibrates slightly, the gap can prevent the drying cylinder 200 from colliding with the inner cylinder 100, thus avoiding damage to the inner cylinder 100 and the drying cylinder 200, and reducing noise during drying. Preferably, the back panel 120 is provided with a hook 121, which is located at the center of the back panel 120. The drying cylinder 200 is provided with a hanging ring 540 to cooperate with the hook 121. The user only needs to hang the hanging ring 540 on the hook 121 to realize the installation between the drying cylinder 200 and the back panel 120, reducing the assembly difficulty and improving the user experience.

[0045] In this embodiment, the dryer also includes a body, with an inner drum 100 rotatably connected to the body. The body is provided with an air inlet chamber, which is located between the back plate 120 and the hot air assembly. The dry hot air output by the hot air assembly first enters the air inlet chamber, and then enters the drying drum 200 through the air inlet 130. When the inner drum 100 rotates, the air inlet chamber ensures that the air inlet 130 can always maintain communication with the hot air assembly, ensuring that dry hot air enters the drying drum 200 stably and continuously to dry the clothes, resulting in high drying efficiency. Preferably, a corrugated pipe 520 surrounds the air inlet 510 of the drying cylinder 200, and the corrugated pipe 520 abuts against the back plate 120, so that the dry hot air passing through the air inlet hole opposite to the air inlet 510 directly enters the drying cylinder 200. The air inlet 510 of the drying cylinder 200 is arranged opposite to the air outlet of the hot air assembly, that is, the projection of the air outlet of the hot air assembly on the vertical plane coincides with the projection of the air inlet 510 of the drying cylinder 200 on the vertical plane. This allows most of the dry hot air rushing out of the air outlet of the hot air assembly to directly enter the air inlet 510 of the drying cylinder 200 through the air inlet 130 when the inner cylinder 100 is not rotating for drying, with only a small amount diffusing in the air inlet cavity, thereby improving the drying effect of the drying cylinder 200.

[0046] To make Example 2:

[0047] The difference between this embodiment and Embodiment 1 is that, Figure 3 and Figure 4As shown, in this embodiment, one of the multiple telescopic baffles 410 is replaced with a cover 530 made of flexible material. The two ends of the cover 530 can be connected to the two telescopic baffles 410 respectively through Velcro or other structures. When the user opens the cover 530, an opening can be formed on the drying cylinder 200 to facilitate the user to put in and take out the underwear in the drying chamber 550, making the operation more convenient.

[0048] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A clothes dryer, comprising an inner drum with an air inlet and a hot air assembly that supplies hot air to the inner drum through the air inlet, characterized in that: The inner cylinder is detachably connected to a drying cylinder that communicates with the air inlet. The drying cylinder includes a rotating telescopic support and a telescopic wind deflector. The telescopic wind deflector is connected to the rotating telescopic support to form a drying chamber for holding clothes. The rotating telescopic support adjusts the radial length of the drying cylinder by telescopic adjustment to change the volume of the drying chamber.

2. A clothes dryer according to claim 1, characterized in that: The rotating telescopic support includes multiple connecting rods extending axially along the drying cylinder and two rotating telescopic assemblies located at both ends of the drying chamber. The multiple connecting rods are connected between the two rotating telescopic assemblies, and the telescopic windbreak is connected to the connecting rods to surround the drying chamber.

3. A clothes dryer according to claim 2, characterized in that: The telescopic windbreak component includes multiple telescopic windbreak plates. Each telescopic windbreak plate includes an inner plate and an outer plate that are rotatably connected to two adjacent connecting rods. The outer plate is provided with a receiving groove, and the inner plate is slidably connected in the receiving groove. The inner plate and the outer plate slide relative to each other to change their volume with the drying cylinder.

4. A clothes dryer according to claim 2, characterized in that: The rotary telescopic assembly includes a support plate and an adjusting plate that are rotatably connected, and also includes multiple support rods and adjusting rods. The support rods and the adjusting rods are movably connected. The support rods are fixed to the outer periphery of the support plate. The two ends of the adjusting rods are rotatably connected to the adjusting plate and the connecting rod, respectively. The adjusting plate rotates to move the end of the adjusting rod connected to the connecting rod closer to or away from the support plate.

5. A clothes dryer according to claim 4, characterized in that: The support rod has a sliding protrusion at one end away from the support plate, and the adjusting rod has a groove extending along the axial direction of the adjusting rod in the middle, with the sliding protrusion inserted into the groove.

6. A clothes dryer according to claim 4, characterized in that: The adjusting plate is provided with a locking member, which prevents the adjusting plate from rotating freely relative to the support plate by locking it with the support plate.

7. A clothes dryer according to claim 1, characterized in that: The inner cylinder includes an annular cylindrical wall and a back plate that form a receiving cavity. The air inlet includes multiple air inlet holes that penetrate the back plate. The drying cylinder is detachably connected to the back plate.

8. A clothes dryer according to claim 7, characterized in that: The dryer also includes a body, the inner drum is rotatably connected to the body, and the body is provided with an air inlet cavity located between the back panel and the hot air assembly. When the inner drum rotates, the air inlet communicates with the hot air assembly through the air inlet cavity.

9. A clothes dryer according to claim 7 or 8, characterized in that: The air inlet of the drying cylinder is positioned opposite to the air outlet of the hot air assembly, so that the projection of the air outlet of the hot air assembly on the vertical plane coincides with the projection of the air inlet of the drying cylinder on the vertical plane.

10. A clothes dryer according to claim 7, characterized in that: The back plate is provided with a hook located at the center of the back plate, and the drying cylinder is provided with a hanging ring that cooperates with the hook.

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