CN219908304U - Clothes dryer - Google Patents

Abstract

The utility model discloses a clothes dryer, which belongs to the technical field of clothes treatment devices and comprises an outer cylinder, an inner cylinder, a base air inlet duct and an air outlet duct. The side wall of the outer cylinder is provided with an air inlet; the inner cylinder is rotatably arranged on the outer cylinder, a gap exists between the outer wall of the inner cylinder and the inner wall of the outer cylinder, air inlet holes are formed in the bottom wall and the side wall of the inner cylinder, and an air outlet is formed in one end, away from the bottom wall of the outer cylinder, of the inner cylinder; the base air inlet channel is arranged at the side part of the outer cylinder and is communicated with the air inlet; the air outlet air duct is communicated with the air outlet of the inner cylinder, and a filter screen type filter and an adsorption type filter are sequentially arranged in the air outlet air duct along the flow direction of air flow in the air outlet air duct. The utility model can evenly dry the clothes in the inner cylinder.

Description

Clothes dryer

Technical Field

The utility model relates to the technical field of clothes treatment devices, in particular to a clothes dryer.

Background

The clothes dryer is a cleaning type home appliance that instantly evaporates and dries moisture in washed laundry using electric heating.

The conventional drum for a clothes dryer has an air inlet and an air outlet, the air inlet is communicated with the rear of the drum and is introduced from the rear of the drum, thereby drying clothes in the drum, and drying air is discharged from the front end opening of the drum. The drying wind in the drum flows from back to front, more heat is obtained from the clothes at the rear part of the drum in the drying process, more water vapor is taken away, the temperature of the air is gradually reduced, the humidity is increased, and when the drying wind flows to the front part of the drum, the drying capacity of the drying wind on the clothes at the front part of the drum is weakened. This results in the possibility that the laundry in the rear portion of the drum is overdry and shrink seriously, and the laundry in the front portion of the drum is dried poorly.

Disclosure of Invention

The utility model aims to provide a clothes dryer to solve the technical problem that clothes at different positions in a roller are dried unevenly in the clothes dryer in the prior art.

The technical scheme adopted by the utility model is as follows:

a clothes dryer, comprising:

the side wall of the outer barrel is provided with an air inlet;

the inner cylinder is rotatably arranged on the outer cylinder, a gap exists between the outer wall of the inner cylinder and the inner wall of the outer cylinder, air inlet holes are formed in the bottom wall and the side wall of the inner cylinder, and an air outlet is formed in one end, away from the bottom wall of the outer cylinder, of the inner cylinder;

the base air inlet duct is arranged at the side part of the outer cylinder and is communicated with the air inlet;

the air outlet air duct is communicated with the air outlet of the inner cylinder, and a filter screen type filter and an adsorption type filter are sequentially arranged in the air outlet air duct along the flow direction of air flow in the air outlet air duct.

When the clothes dryer dries clothes, the drying air is diffused in the gap between the outer cylinder and the inner cylinder through the air inlet of the outer cylinder and enters the inner cylinder from the air inlet holes of the bottom wall and the side wall of the inner cylinder, namely, the bottom wall and the side wall of the inner cylinder can be used for air inlet, the clothes in the inner cylinder can be dried no matter in front of or behind the inner cylinder, and uniform drying of the clothes to be dried in the inner cylinder is ensured.

Meanwhile, the air inlet of the outer cylinder is arranged on the side wall of the outer cylinder, the base air inlet duct is arranged on the side part of the outer cylinder, and compared with the prior art that the air inlet duct and the air inlet duct are arranged at the bottom of the outer cylinder from the bottom of the outer cylinder, the clothes dryer can fully utilize the space in the height direction, the occupied area of the clothes dryer is reduced, and therefore the indoor space is saved.

The filter screen type filter and the adsorption type filter are arranged in the air outlet air duct, so that the drying air can be sufficiently filtered, and the influence on the drying effect caused by the circulation of impurities in the drying air along with the drying air is avoided. After the drying air enters the air outlet duct, filtering the drying air by a filter screen type filter to remove impurities with larger size; and then the adsorption type filter filters the drying air, so that impurities with smaller size are filtered out, and the filtering effect on the drying air is ensured.

Optionally, the side wall and the bottom wall of the inner cylinder are both provided with a plurality of air inlet holes.

The arrangement of the air inlet holes ensures that the air inlet of the side wall and the bottom wall of the inner cylinder is more uniform and the drying effect is better.

Optionally, the adsorption filter includes:

the installation frame is installed in the air outlet air duct, and a first filter screen is arranged on one side, close to the air outlet, of the installation frame;

breathable adsorption cotton is arranged on the mounting frame and is positioned on one side of the first filter screen away from the air outlet.

The first filter screen is used for primarily filtering the drying wind passing through the adsorption filter; the breathable adsorption cotton can adsorb smaller impurities in the drying air, so that the filtering effect of the adsorption filter is better.

Optionally, the adsorption filter further comprises a receiving basket, wherein the receiving basket is arranged on the mounting frame and is positioned on one side of the first filter screen, which faces the air outlet.

The impurity that accepts the basket and filter first filter screen can carry out the part and collect, avoids impurity to pile up in the air-out wind channel. Meanwhile, when the first filter screen is cleaned, impurities adhered to the first filter screen can be directly collected into the receiving blue.

Optionally, the receiving basket is detachably arranged on the mounting frame.

After the receiving basket is disassembled, the impurities in the receiving basket are convenient to clean and pour.

Optionally, the adsorption filter further comprises an air-permeable adsorption cotton clamping grid, the air-permeable adsorption cotton clamping grid is detachably arranged on the mounting frame, and the air-permeable adsorption cotton is clamped between the mounting frame and the air-permeable adsorption cotton clamping grid.

The breathable adsorption cotton is prevented from being separated from the mounting frame.

Optionally, a mounting frame operating handle is arranged on the mounting frame.

The adsorption filter is convenient for be lifted by the user with one hand, and the first filter screen is cleaned by the other hand.

Optionally, the filter screen formula filter includes second filter screen, third filter screen and the fourth filter screen that sets gradually, the second filter screen the mesh number of third filter screen with the mesh number of fourth filter screen increases gradually, the mesh number of first filter screen is greater than the mesh number of fourth filter screen.

When the filter screen type filter filters the drying air, the drying air flows through the second filter screen, the third filter screen and the fourth filter screen in sequence, and the second filter screen, the third filter screen and the fourth filter screen fully ensure the filtering effect of the filter screen type filter.

The first filter screen is compared with the fourth filter screen, can filter the impurity of smaller size, guarantees the filter effect.

Optionally, the clothes dryer further comprises an outer box body, and the outer cylinder, the inner cylinder, the base air inlet duct and the air outlet duct are all arranged in the outer box body.

The outer box body encapsulates and protects each part, and base air inlet wind channel and air outlet wind channel all are located the outer box body for this dryer gives sound insulation effectually.

Optionally, an acoustic insulation layer is provided on the outer wall of the outer casing and/or the inner wall of the outer casing.

The sound insulation effect of the outer box body is fully ensured.

The utility model has the beneficial effects that:

when the clothes dryer provided by the utility model is used for drying clothes, the clothes to be dried are placed in the inner cylinder, the dryer is started, drying air flows from the base air inlet channel to the air inlet of the side wall of the outer cylinder, and because a gap exists between the inner wall of the outer cylinder and the outer wall of the inner cylinder, the bottom wall and the side wall of the inner cylinder are both provided with air inlet holes, the drying air is diffused in the gap between the outer cylinder and the inner cylinder and enters the inner cylinder from the bottom wall and the side wall of the inner cylinder, namely, the bottom wall and the side wall of the inner cylinder can be used for air inlet, the clothes in the inner cylinder can be dried no matter in front of or behind the inner cylinder, and uniform drying of the clothes to be dried in the inner cylinder is ensured.

Meanwhile, the air inlet of the outer cylinder is arranged on the side wall of the outer cylinder, the base air inlet duct is arranged on the side part of the outer cylinder, and compared with the prior art that the air inlet duct and the air inlet duct are arranged at the bottom of the outer cylinder from the bottom of the outer cylinder, the clothes dryer can reduce the occupied space in the front-back direction, fully utilizes the space in the height direction, is beneficial to reducing the occupied area of the clothes dryer and saves the indoor space.

The filter screen type filter and the adsorption type filter are arranged in the air outlet air duct, so that the drying air can be sufficiently filtered, and the influence on the drying effect caused by the circulation of impurities in the drying air along with the drying air is avoided. After the drying air enters the air outlet duct, filtering the drying air by a filter screen type filter to remove impurities with larger size; and then the adsorption filter filters the drying wind to filter out impurities with smaller size.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic view of a part of a structure of a clothes dryer provided by an embodiment of the present utility model;

FIG. 2 is a schematic diagram of another view of FIG. 1;

FIG. 3 is a schematic view of a screen filter according to an embodiment of the present utility model installed in a clothes dryer;

FIG. 4 is a schematic diagram of a screen filter according to an embodiment of the present utility model;

fig. 5 is an exploded view of an adsorption filter according to an embodiment of the present utility model.

In the figure:

1. an outer cylinder;

2. an inner cylinder; 21. an air inlet hole;

31. a screen type filter; 311. a second filter screen; 312. a third filter screen; 313. a fourth filter screen;

32. an adsorption filter; 321. a mounting frame; 3211. installing a frame operating handle; 322. breathable adsorption cotton; 323. a receiving basket;

4. the base air inlet duct.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 5, the present embodiment provides a clothes dryer including an outer tub 1, an inner tub 2, a base air inlet duct 4, and an air outlet duct.

Wherein, the side wall of the outer cylinder 1 is provided with an air inlet.

The inner cylinder 2 is rotatably arranged on the outer cylinder 1, a gap exists between the outer wall of the inner cylinder 2 and the inner wall of the outer cylinder 1, the bottom wall and the side wall of the inner cylinder 2 are both provided with air inlet holes 21, and one end of the inner cylinder 2, which is away from the bottom wall of the outer cylinder 1, is provided with an air outlet.

The base air inlet duct 4 is arranged at the side part of the outer cylinder 1 and is communicated with the air inlet.

The air outlet duct is communicated with the air outlet of the inner cylinder 2, and a filter screen type filter 31 and an adsorption type filter 32 are sequentially arranged in the air outlet duct along the flow direction of air flow in the air outlet duct.

When the clothes dryer provided by the embodiment is used for drying clothes, the clothes to be dried are placed in the inner cylinder 2, the dryer is started, drying air flows from the base air inlet channel 4 to the air inlet of the side wall of the outer cylinder 1, because gaps exist between the inner wall of the outer cylinder 1 and the outer wall of the inner cylinder 2, the bottom wall and the side wall of the inner cylinder 2 are provided with the air inlet holes 21, and the drying air is diffused in the gaps between the outer cylinder 1 and the inner cylinder 2 and enters the inner cylinder 2 from the bottom wall and the side wall of the inner cylinder 2, namely, the bottom wall and the side wall of the inner cylinder 2 can be used for air inlet, and the clothes in the inner cylinder 2 can be dried no matter in front of or behind the inner cylinder 2, so that the clothes to be dried in the inner cylinder 2 are uniformly dried.

It will be appreciated that the flow area of the air inlet in the side wall of the outer barrel 1 is much larger than the flow area of the air inlet 21.

Meanwhile, the air inlet of the outer cylinder 1 is formed in the side wall of the outer cylinder 1, the base air inlet duct 4 is formed in the side portion of the outer cylinder 1, compared with the prior art that air inlet and air inlet ducts are formed in the bottom of the outer cylinder, the air inlet duct is formed in the bottom of the outer cylinder, the occupied space of the clothes dryer can be reduced in the front-back direction, the space in the height direction is fully utilized, the occupied area of the clothes dryer is reduced, and the indoor space is saved.

The filter screen type filter 31 and the adsorption type filter 32 are arranged in the air outlet air duct, so that the drying air can be sufficiently filtered, and the influence of impurities in the drying air on the drying effect due to the circulation of the drying air is avoided. After the drying air enters the air outlet duct, the filtering screen type filter 31 filters the drying air to remove impurities with larger size; the drying air is filtered by the adsorption filter 32 to remove impurities with smaller size.

It will be appreciated that the outlet of the air outlet duct is in communication with the inlet of the base air inlet duct 4, and the base air inlet duct 4 processes the low temperature, high humidity air exhausted from the air outlet duct to form high temperature, low humidity air.

In this embodiment, the air inlet duct 4 of the base, the outer wall of the inner cylinder 2, the inner wall of the outer cylinder 1, the inner cylinder 2 and the air outlet duct together form an air circulation channel. A fan, an evaporator and a condenser are arranged in the base air inlet duct 4, when drying is carried out, high-temperature low-humidity air in the base air inlet duct 4 is driven by the fan, clothes are dried through the inner cylinder 2, moisture and thread scraps are taken away, and the high-temperature low-humidity air is changed into medium-temperature high-humidity air; the medium-temperature and high-humidity air is filtered through the screen filter 31 and the adsorption filter 32; the medium temperature and high humidity pass through an evaporator, condensed water is formed on the surface of the evaporator, and low temperature and low humidity air is formed by cooling and dehumidifying; the low-temperature low-humidity air passes through the condenser and becomes high-temperature low-humidity air again, thus completing one cycle.

Further, in this embodiment, an auxiliary heater may be disposed after the condenser for initially compensating the temperature of the air entering the inner tube 2.

Preferably, in the present embodiment, the auxiliary heater is controlled in two stages. When the clothes dryer is just started, the two stages are fully opened, so that the temperature in the inner cylinder 2 is quickly increased to the target temperature; after the heat pump of the clothes dryer operates for a period of time, the temperature in the inner cylinder 2 is stable, and the auxiliary heater is turned off step by step. When the environment is too low in winter, in the drying process, the auxiliary heater is controlled to be non-opened, half-opened or full-opened for auxiliary heating according to signals fed back by temperature sensors at the compressor, the evaporator, the condenser, the inner cylinder 2 and the like of the heat pump.

Further, the auxiliary heater includes a first stage auxiliary heating member and a second stage auxiliary heating member. The first stage auxiliary heating piece is arranged between the condenser and the fan, and the second stage auxiliary heating piece is arranged at the outlet position of the base air inlet duct 4. The auxiliary heater can effectively capture the temperature and humidity of the load in the inner cylinder 2 and the temperature and humidity of the compressor transmitted by the sensor.

Preferably, in this embodiment, the bottom wall and the side wall of the inner cylinder 2 are each provided with a plurality of air inlet holes 21.

Specifically, the bottom wall of the inner cylinder 2 is provided with a plurality of concentric air inlet rings, and each air inlet ring comprises a plurality of circumferentially distributed air inlet holes 21; the side wall of the inner barrel 2 includes a plurality of rows of air inlet holes, each of which includes a plurality of air inlet holes 21 distributed in a direction parallel to the axis of the inner barrel 2. The air inlet rows of the plurality of rows are spaced apart along the circumferential direction of the inner cylinder 2. So set up for inner tube 2 can form the air inlet mode of circumference surrounding type, and is more even to the stoving of clothing, has also reduced stoving time, improves the stoving effect.

Alternatively, in the present embodiment, the direct-drive motor is used to drive the inner cylinder 2 to rotate, thereby reducing vibration and noise of the whole machine. The inner cylinder 2 is driven to rotate by a direct drive motor. The power of the clothes dryer can be larger, and a large-capacity design is realized.

In this embodiment, the clothes dryer further includes an outer case (not shown in the drawings), and the outer cylinder 1, the inner cylinder 2, the base air inlet duct 4, and the air outlet duct are all disposed in the outer case.

Specifically, in this embodiment, the front end of the outer cylinder 1, that is, the end of the outer cylinder 1 facing the user is connected to the front support of the outer casing, and the connection between the outer cylinder 1 and the front support is subjected to sealing treatment. The center of the rear end of the outer cylinder 1 is embedded with a bearing. The rear end of the inner cylinder 2 is provided with a rotating shaft which passes through the bearing of the outer cylinder 1 and then is connected with a direct-drive motor. The front end of the inner cylinder 2 is connected with the front support of the outer box body, and the joint of the inner cylinder 2 and the front support is subjected to sealing treatment.

In order to reduce noise of the dryer when in operation, the outer wall of the outer case and/or the inner wall of the outer case may be optionally provided with a soundproof layer.

Further specifically, in this embodiment, the inside of the outer case is provided with a sound insulation layer. Specifically, the sound insulation layer is a sound insulation cotton.

Specifically, referring to fig. 3 and 4, in the present embodiment, the screen filter 31 includes the second screen 311, the third screen 312, and the fourth screen 313, which are sequentially disposed, and the mesh numbers of the second screen 311, the third screen 312, and the fourth screen 313 are gradually increased.

When the screen filter 31 filters the drying air, the drying air flows through the second screen 311, the third screen 312 and the fourth screen 313 in sequence, and the second screen 311 can filter out the first sundries carried out of the clothes to be dried in the drying air, such as keys, coins or other larger sundries, so that the first sundries are prevented from entering the air outlet duct along with the drying air to damage other structures in the air outlet duct and even damage the heat exchanger. The third filter 312 has a mesh number greater than that of the second filter 311, and is capable of filtering the second type of impurities, which may be hair, for example, and have a size smaller than that of the first type of impurities. The fourth filter 313 has a mesh number greater than that of the third filter 312, and is capable of filtering a third type of foreign matter, which may be, for example, lint or lint, of a smaller size than the second type of foreign matter.

Alternatively, in this embodiment, the screen filter 31 is a conventional clothes dryer lint filter. The specific structure of the lint filter of the dryer is well known to those skilled in the art, and will not be described in detail herein.

Alternatively, the pore size of the filtering pores on the second filter screen 311 is 6mm.

Specifically, referring to fig. 5, in the present embodiment, the adsorption filter 32 includes a mounting frame 321 and air-permeable adsorption cotton 322.

The mounting frame 321 is mounted in the air outlet duct, and a first filter screen (not shown in the figure) is arranged on one side of the mounting frame 321 close to the air outlet.

Breathable adsorption cotton 322 is mounted on mounting frame 321, and breathable adsorption cotton 322 is located one side of the first filter screen, which faces away from the air outlet.

Preferably, the mesh number of the first screen is greater than the mesh number of the fourth screen 313.

The air-permeable absorbent cotton 322 is a filter screen cotton, and is capable of filtering dust particles.

The first screen filters the drying wind passing through the screen filter 31 again, which can filter out the fourth kind of foreign matters, the size of which is smaller than that of the third kind of foreign matters, and the fourth kind of foreign matters may be pollen, dander, etc., for example.

The breathable absorbent cotton 322 is capable of filtering a fifth type of debris, the size of which is smaller than the size of the fourth type of debris. Illustratively, the fifth class of sundries are dust, so that the dust is prevented from circulating in the clothes dryer along with drying wind, and the drying effect is improved.

Specifically, in this embodiment, the adsorption filter 32 further includes an air-permeable adsorption cotton clamping grille, the air-permeable adsorption cotton clamping grille is detachably disposed on the mounting frame 321, and the air-permeable adsorption cotton 322 is clamped between the mounting frame 321 and the air-permeable adsorption cotton clamping grille, so that the air-permeable adsorption cotton 322 is prevented from separating from the mounting frame 321.

Optionally, the air-permeable absorbent cotton clamping grille is clamped to the mounting frame 321.

Further alternatively, one of the breathable adsorption cotton clamping grid and the mounting frame 321 is provided with a clamping column, the other is provided with a clamping groove matched with the clamping column in a clamping manner, the breathable adsorption cotton 322 is provided with a perforation, and the clamping column passes through the perforation and then is clamped in the clamping groove.

Referring to fig. 5, in the present embodiment, the adsorption filter 32 further includes a receiving basket 323, where the receiving basket 323 is disposed on the mounting frame 321 and located at a side of the first filter screen facing the air outlet.

The receiving basket 323 can receive part of impurities filtered by the first filter screen, and prevent the impurities from accumulating in the air outlet air duct. When cleaning the first filter screen, can directly clear up impurity on the first filter screen to accept in the basket 323, be convenient for collect impurity.

Preferably, in the present embodiment, the receiving basket 323 is detachably disposed on the mounting frame 321.

Optionally, the receiving basket 323 is detachably mounted to the mounting frame 321 by a clamping manner. One of the receiving basket 323 and the mounting frame 321 is provided with a clamping protrusion, and the other is provided with a clamping groove, and the clamping protrusion can be clamped into the clamping groove.

Further, in the present embodiment, a mount frame operation lever 3211 is provided on the mount frame 321. The handle 3211 of the handheld mounting frame can lift the entire adsorption type filter 32, so that the first filter screen can be cleaned conveniently. Meanwhile, when the breathable adsorption cotton 322 is replaced, the mounting frame operation handle 3211 is pressed, the breathable adsorption cotton clamping grille is pulled towards the direction away from the mounting frame 321, and the breathable adsorption cotton clamping grille is detached from the mounting frame 321, so that the breathable adsorption cotton 322 can be conveniently dismounted.

In this embodiment, in the working process of the clothes dryer, the second filter screen 311, the third filter screen 312, the fourth filter screen 313, the first filter screen and the breathable adsorption cotton 322 form a five-layer filter structure, so that the dried clothes are dry, dust-free and dust-free, and the user experience is improved.

The above embodiments merely illustrate the basic principle and features of the present utility model, and the present utility model is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A clothes dryer, comprising:

the device comprises an outer barrel (1), wherein an air inlet is formed in the side wall of the outer barrel (1);

the inner cylinder (2) is rotatably arranged on the outer cylinder (1), a gap exists between the outer wall of the inner cylinder (2) and the inner wall of the outer cylinder (1), air inlet holes (21) are formed in the bottom wall and the side wall of the inner cylinder (2), and an air outlet is formed in one end, deviating from the bottom wall of the outer cylinder (1), of the inner cylinder (2);

the base air inlet duct (4) is arranged at the side part of the outer cylinder (1) and is communicated with the air inlet;

the air outlet air duct is communicated with the air outlet of the inner cylinder (2), and a filter screen type filter (31) and an adsorption type filter (32) are sequentially arranged in the air outlet air duct along the flow direction of air flow in the air outlet air duct.

2. Laundry dryer according to claim 1, characterized in that the side wall and the bottom wall of the inner drum (2) are each provided with a plurality of said air inlet openings (21).

3. Laundry dryer according to claim 1, characterized in that said adsorption filter (32) comprises:

the installation frame (321) is installed in the air outlet air duct, and a first filter screen is arranged on one side, close to the air outlet, of the installation frame (321);

breathable adsorption cotton (322) is installed on the installation frame (321), and the breathable adsorption cotton (322) is located one side of the first filter screen, which is away from the air outlet.

4. The clothes dryer according to claim 3, characterized in that the adsorption filter (32) further comprises a receiving basket (323), wherein the receiving basket (323) is arranged on the mounting frame (321) and is positioned on one side of the first filter screen facing the air outlet.

5. The clothes dryer according to claim 4, characterized in that the receiving basket (323) is detachably provided to the mounting frame (321).

6. Laundry dryer according to claim 3, characterized in that said adsorption filter (32) further comprises a vapor-permeable adsorption cotton clamping grid detachably arranged to said mounting frame (321), said vapor-permeable adsorption cotton (322) being clamped between said mounting frame (321) and said vapor-permeable adsorption cotton clamping grid.

7. The clothes dryer according to claim 3, characterized in that the mounting frame (321) is provided with a mounting frame handle (3211).

8. Laundry dryer according to any one of claims 3-7, characterized in that said screen filter (31) comprises a second screen (311), a third screen (312) and a fourth screen (313) arranged in succession, the mesh numbers of said second screen (311), said third screen (312) and said fourth screen (313) being progressively increased, the mesh number of said first screen being greater than the mesh number of said fourth screen (313).

9. Laundry dryer according to any one of claims 1-7, characterized in that it further comprises an outer housing, wherein the outer drum (1), the inner drum (2), the base air inlet duct (4) and the air outlet duct are all arranged in the outer housing.

10. The clothes dryer of claim 9, wherein an outer wall of the outer case and/or an inner wall of the outer case is provided with a soundproof layer.