CN114541078A

CN114541078A - Closed drying and dewatering washing machine

Info

Publication number: CN114541078A
Application number: CN202210171834.3A
Authority: CN
Inventors: 任国庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-05-27
Anticipated expiration: 2042-02-24
Also published as: CN114541078B

Abstract

The invention discloses a closed drying dehydration washing machine, comprising: the water containing barrel is arranged in the machine shell, and a barrel cover is mounted at the top of the water containing barrel to seal the water containing barrel; the inner dewatering barrel is arranged in the water containing barrel and is driven to rotate around the center line of the water containing barrel by a rotary power assembly at the lower end of the water containing barrel, an air flow channel is formed between the inner dewatering barrel and the water containing barrel, and inner barrel holes are uniformly distributed on the side wall of the inner dewatering barrel; the heating assembly is arranged in the barrel cover and radiates heat into the water containing barrel; the drying power wind assembly is arranged at the top of the inner dehydration barrel and rotates along with the inner dehydration barrel; the exhaust port is arranged on the upper side of the barrel cover and communicated with the airflow channel, and the exhaust port is connected with the machine shell through an exhaust pipe to communicate the airflow channel with the outside; the drain assembly is disposed at a lower end of the tub, and drains water in the tub to an outside of the cabinet. The invention has good drying effect, ensures the safety of the washing machine and electric devices and saves energy.

Description

Closed drying and dewatering washing machine

Technical Field

The invention relates to the technical field of washing machines, in particular to a closed drying and dewatering washing machine.

Background

The heat drying mode used in the existing washing machine adopts PTC heating, a fan blows heat generated by the PTC into an inner barrel, and the air outlet with hot air is generally arranged in the middle or the rear position above the inner barrel. When the washing machine is used for dewatering, the motor drives the inner barrel and the balance ring to drive clothes to rotate at a high speed together through the clutch, under the action of centrifugal force, clothes in the barrel press close to the inner wall of the inner barrel and rotate at a high speed together, hot air continuously enters the inner barrel to heat the clothes, and moisture in the clothes is evaporated to achieve the purpose of drying the clothes.

However, such a drying type washing machine has certain drawbacks: firstly, because hot air is required to enter the inner barrel, the barrel cover on the inner barrel is provided with an opening, hot moisture generated by heating clothes and entered hot air can come out from the opening to diffuse the inside of the whole washing machine, and harm is caused to internal components, especially electric components and metal parts; secondly, the electric device is exposed in a damp and hot environment to generate potential safety hazard and harm, thirdly, because the hot air is filled in the whole washing machine instead of only in the inner barrel filled with clothes, the heat waste is caused, the drying efficiency is low, and the drying effect is reduced.

Disclosure of Invention

The invention provides a closed drying and dewatering washing machine which has good drying effect, ensures the safety of the washing machine and electric devices and saves energy.

In order to achieve the purpose, the invention provides the following technical scheme: a closed-type drying-dehydrating washing machine includes:

a housing;

the water containing barrel is arranged in the machine shell, and a barrel cover is mounted at the top of the water containing barrel to seal the water containing barrel;

the dewatering inner barrel is arranged in the water containing barrel and driven to rotate around the center line of the water containing barrel by a rotating power assembly at the lower end of the water containing barrel, an air flow channel is formed between the dewatering inner barrel and the water containing barrel, and inner barrel holes are uniformly distributed on the side wall of the dewatering inner barrel;

the heating assembly is arranged in the barrel cover and radiates heat into the water containing barrel;

the drying power wind assembly is arranged at the top of the inner dehydration barrel and rotates along with the inner dehydration barrel, the drying power wind assembly comprises a balance ring, a wind suction fan blade arranged on the inner side of the balance ring and a cross-flow fan blade arranged on the lower side of the balance ring, and the cross-flow fan blade is arranged on the outer side of the upper end of the inner dehydration barrel;

the exhaust port is arranged on the upper side of the barrel cover and communicated with the airflow channel, and the exhaust port is connected with the machine shell through an exhaust pipe to communicate the airflow channel with the outside;

and a water drainage assembly disposed at a lower end of the tub to drain water in the tub to an outside of the cabinet.

Preferably, the cross-flow fan blade is an arc-shaped blade which is obliquely arranged.

Preferably, a gap is reserved between the inner side of the cross-flow fan blade and the balance ring, and the upper end of the inner dewatering barrel is embedded into the gap between the balance ring and the cross-flow fan blade.

Preferably, an integrally formed structure is arranged between the cross-flow fan blade and the balance ring.

Preferably, the cross-flow fan blade is independently arranged on the balance ring.

Preferably, the air suction fan blade is arranged in the inner hole of the balance ring and is formed by directly extending out of the side wall of the inner hole of the balance ring.

Preferably, the air suction fan blade comprises an inner ring, an outer ring and blades uniformly arranged between the inner ring and the outer ring.

Preferably, the outer edge of the upper side of the outer ring is provided with a circle of convex edge, and the convex edge is erected and installed at the upper end of the inner hole of the balance ring.

Preferably, the air suction fan blade and the balance ring are integrally formed.

Preferably, an openable inner cover is arranged in the middle of the barrel cover.

Preferably, the drain assembly includes a drain valve connected to the tub and a drain pipe connected to the drain valve, and one end of the drain pipe is connected to a drain port of the cabinet.

Preferably, the heating assembly comprises a heating pipe and a reflecting plate arranged on the upper side of the heating pipe, and the heating pipe is covered by the reflecting plate.

Preferably, the heating pipe and the reflection plate are both ring-shaped with one side opened.

Preferably, the heating pipe comprises a heating pipe body and a heating wire arranged inside the heating pipe body, and the heating wire is of a continuous non-straight structure.

Preferably, the heating pipe comprises a heating pipe body and a heating wire arranged in the heating pipe body, the heating wire comprises a non-straight section and a straight section, the straight section is arranged at a position opposite to the opening of the heating pipe, and the non-straight section is arranged at two ends of the straight section.

Preferably, the reflecting plate comprises a top plate and side plates arranged at two side edges of the top plate, and the side plates are obliquely arranged.

Preferably, the lower extreme of reflecting plate install a plurality of mounting panel, the both ends of mounting panel be provided with the mounting hole, the middle part is provided with the arc wall, the heating tube erect in the arc wall.

Preferably, at least one heating pipe installation member is installed on the inner side of the reflection plate, a through hole is formed in the middle of the heating pipe installation member, and the heating pipe penetrates through the through hole.

Preferably, the rotary power assembly comprises a clutch connected with the inner dewatering tub and a motor arranged on one side of the clutch, and the clutch and the motor are connected through a transmission belt.

Preferably, a boiling and washing heater is installed at a position close to the bottom of the water tub on the lower side of the inner dewatering tub.

Compared with the prior art, the invention has the beneficial effects that:

the closed water containing barrel is adopted, the heating pipe is arranged at the top of the water containing barrel, so that heat generated by the heating pipe is blown into the dewatering inner barrel through the fan blades on the balance ring, heat exchange is carried out in the closed water containing barrel of the barrel cover with the inner cover, and generated moisture is discharged through the air exhaust port and the water discharge pipe under the action of wind generated by the through-flow fan blades below the balance ring, so that the drying effect is improved, the safety of the washing machine and electric devices is ensured, the energy is saved, the power of the heating pipe can be reduced to 300 watts or below, meanwhile, the moisture is discharged, the inside of the barrel is dried, and the mildew and bacterial growth of each part inside are effectively avoided; in addition, the invention skillfully combines the dewatering dryer with the washing machine, enriches the functions of the washing machine and meets various requirements of users.

Drawings

FIG. 1 is a front cross-sectional structural view of the present invention;

FIG. 2 is a front cross-sectional schematic view of the internal gas flow of the present invention;

FIG. 3 is a perspective view of the present invention in an exploded state;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

FIG. 5 is a front cross-sectional partial block diagram of the present invention;

FIG. 6 is a three-dimensional structure view of the air suction fan blade of the present invention;

FIG. 7 is a perspective view of the gimbal of the present invention;

FIG. 8 is a perspective view of the gimbal of the present invention;

FIG. 9 is a perspective view of a reflection plate of the present invention;

FIG. 10 is a perspective view of a heating tube of the present invention;

FIG. 11 is another perspective view of the heating tube of the present invention;

fig. 12 is a perspective view showing the barrel cover of the present invention with an inner lid removed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1 to 12, the present invention provides a closed type drying and dehydrating washing machine, comprising:

the top of the casing 22 may be provided with an openable top cover or not, which facilitates the putting of clothes, and the bottom of the casing 22 is provided with the base 14, which facilitates the assembly and disassembly of the whole casing 22, and meanwhile, as a preferred scheme, a detachable side plate may be installed on a side wall of one side of the casing 22, which facilitates the maintenance of components inside the casing 22;

the water containing barrel 9 is arranged in the machine shell 22, the top of the water containing barrel 9 is provided with a barrel cover 3 for sealing the water containing barrel 9, the middle part of the barrel cover 3 is provided with an openable inner cover 1, when the inner cover 1 is opened, clothes can be put into the water containing barrel 9, and when the clothes are dehydrated and dried, the inner cover 1 is in a sealing state;

the clothes washing machine further comprises an inner dewatering drum 8 which is arranged inside the water containing drum 9 and driven by a rotary power assembly at the lower end of the water containing drum 9 to rotate around the center line of the water containing drum 9, an air flow channel 25 is formed between the inner dewatering drum 8 and the water containing drum 9, inner drum holes 10 are uniformly distributed on the side wall of the inner dewatering drum 8, clothes are placed in the inner dewatering drum 8, and when the inner dewatering drum 8 rotates at a high speed, water on the clothes can be thrown out and enters the bottom of the water containing drum 9 after passing through the inner drum holes 10;

in this embodiment, the drying device further comprises a heating assembly which is arranged inside the barrel cover 3 and radiates heat into the water barrel 9, and a drying power wind assembly which is arranged at the top of the inner dewatering barrel 8 and rotates along with the inner dewatering barrel 8, wherein the drying power wind assembly comprises a balance ring 6, a wind suction fan blade 2 arranged on the inner side of the balance ring 6 and a cross-flow fan blade 7 arranged on the lower side of the balance ring 6, and the cross-flow fan blade 7 is arranged on the outer side of the upper end of the inner dewatering barrel 8;

the exhaust port 18 is arranged on the upper side of the barrel cover 3 and communicated with the airflow channel 25, and the exhaust port 18 is connected with the machine shell 22 through an exhaust pipe 20 to communicate the airflow channel 25 with the outside; and a water drain assembly provided at a lower end of the tub 9 to drain water in the tub 9 to the outside of the cabinet 22.

In this embodiment, a control circuit board of the washing machine may be integrated with a drying program, and the drying program includes a computer board for controlling the drying operation to operate and control the respective units according to a designed program. Because the balancing ring 6 is provided with the air suction fan blade 2 and the cross-flow fan blade 7, when the washing machine is used for dewatering, the rotating power component drives the inner dewatering barrel 8 and the balancing ring 6 to drive clothes to rotate together at high speed, under the action of centrifugal force, the clothes in the barrel are close to the inner wall of the inner dewatering barrel 8 to rotate together at high speed, because the air suction fan blade 2 is arranged on the balancing ring 6, the fan blades form air which downwards enters the barrel, the upper part of the air suction fan blade 2 is just the heating pipe 5, heat spirally enters the inner dewatering barrel 8 along the inner wall under the action of the air, just blows wet clothes, hot air passes through the clothes to take away moisture, enters an air flow channel 25 between the inner dewatering barrel 8 and the water barrel 9 through an inner barrel hole 10 on the side wall of the inner dewatering barrel 8, under the action of the air generated by the cross-flow fan blade 7 outside the balancing ring 6, a part of the air is discharged through the exhaust pipe 20, and a part of the air is discharged through the drainage component, the clothes drying device continuously operates in a circulating way according to a designed control program to achieve the function of drying clothes. Because the bucket 9 bung 3 of water-holding bucket has inner cup 1, so relatively closed, the heat exchange is gone on in the bucket, and the space is less than whole washing machine, so heat utilization rate is higher, and heating pipe power can reduce to 300 watts and below, and the stoving effect is better, and hot humid air directly discharges the washing machine outside, also effectively protects electrical part safety and metalwork for the stoving process improves drying efficiency.

As an embodiment, the drying program includes a program for controlling the drying operation of the computer board to operate and control according to a previously designed program, in which the dehydrating time is longer than the heating time; in this drying program, the whole process is divided into a plurality of drying cycles; in this drying program, after a drying cycle is completed, the operation is temporarily stopped between cycles.

Blast pipe 20 adopts flexible material to make, be provided with the ripple portion on its middle part lateral wall, make the length of blast pipe 20 adjust as required, and the one end of blast pipe 20 and the connection between casing 22 adopt the cardboard to be connected, the cardboard includes outer cardboard 19 and interior cardboard 21, outer cardboard 19 and interior cardboard 21 are located the casing 22 outside and inboard respectively, clip casing 22, link to each other with the one end of blast pipe 20 simultaneously, can guarantee the seal installation between blast pipe 20 and the casing 22 like this, and outer cardboard 19 is protruding form, the protrusion is in the outside of casing 22, make the lateral wall of casing 22 can be kept away from as far as possible from outer cardboard 19 exhaust hot gas, reduce the contact of hot gas and casing 22, prevent rustiness and the discolour of casing 22.

In this embodiment, the through-flow fan blades 7 are arc-shaped blades arranged obliquely, so that the flow guiding effect of the through-flow fan blades 7 can be improved, and the through-flow fan blades 7 are arranged in a circumferential state as a whole, and have the flow guiding effect when the balance ring 6 rotates. Meanwhile, a gap is reserved between the inner side of the cross-flow fan blade 7 and the balance ring 6, the upper end of the inner dehydration barrel 8 is embedded into the gap between the balance ring 6 and the cross-flow fan blade 7, the gap can realize clamping assembly between the balance ring 6 and the inner dehydration barrel 8, other fasteners are not needed, and the device is very convenient.

As an embodiment of a structure between the cross-flow fan blade 7 and the balance ring 6, the cross-flow fan blade 7 and the balance ring 6 are integrally formed, that is, the cross-flow fan blade 7 is a part of the balance ring 6, and the cross-flow fan blade 7 and the balance ring are formed at one time through a set of dies.

As another structure embodiment between the cross-flow fan blade 7 and the balance ring 6, the cross-flow fan blade 7 is independently installed on the balance ring 6, for example, a plurality of cross-flow fan blades 7 form a whole through a connecting ring, and are installed at the lower end of the balance ring 6 through the connecting ring, or each cross-flow fan blade 7 is an independent individual and is sequentially installed on the balance ring 6, and the installation mode can be riveting, clamping or fastener connection.

In this embodiment, as an embodiment between the fan blade 2 that induced drafts and the gimbal 6, the fan blade 2 that induced drafts install in the gimbal 6 hole, the fan blade 2 that induced drafts for directly stretching out the formation from the gimbal 6 hole lateral wall, that is to say the blade of the fan blade 2 that induced drafts is directly formed in the gimbal 6 hole, the blade of the fan blade 2 that induced drafts belongs to a part of gimbal 6, both integrated into one piece in a set of mould.

As another structure of the wind suction fan blade 2, the wind suction fan blade 2 includes an inner ring 26, an outer ring 28 and blades 27 uniformly arranged between the inner ring 26 and the outer ring 28, a flow guide space is formed between the inner ring 26 and the outer ring 28, a plurality of blades 27 are uniformly distributed in the space, and a flow guide channel is formed between the blades.

On the basis of the above embodiment, the outer edge of the upper side of the outer ring 28 is provided with a circle of convex edge 29, and the convex edge 29 is erected and installed at the upper end of the inner hole of the balance ring 6, so that the air suction fan blade 2 can be quickly and stably installed between the independent component and the balance ring 6. Of course, the air suction fan blade 2 with the inner ring 26 and the outer ring 28 can also adopt a structure which is integrally formed with the balance ring 6, and the assembly process is reduced.

In this embodiment, the drainage assembly includes a drainage valve 17 connected to the tub 9 and a drainage pipe 16 connected to the drainage valve 17, one end of the drainage pipe 16 is connected to a drainage port 15 on the cabinet 22, the drainage valve 17 can control the drainage of hot air and hot water in the tub 9, and is controlled by a control program, and the drainage port 15 is disposed near the bottom of the cabinet 22 and can be externally connected to a water pipe.

In this embodiment, as shown in fig. 9 to 11, the heating unit includes a heating pipe 5 and a reflection plate 4 disposed on an upper side of the heating pipe 5, the reflection plate 4 covers the heating pipe 5, and the reflection plate 4 can block upward heat radiation from the heating pipe 5 and guide the upward heat radiation to downward heat radiation, so as to heat the air in the tub 9 as much as possible and improve the heating effect. Preferably, the heating pipe 5 and the reflection plate 4 are both in a ring shape with one side opened, so as to cover more space as much as possible, and are arranged along the edge of the water containing barrel 9, so that clothes tightly attached to the side wall of the inner dewatering barrel 8 can be directly and correspondingly dried, and the drying effect is good.

As an embodiment of the heating tube 5, the heating tube 5 includes a heating tube body 51 and a heating wire 52 disposed inside the heating tube body 51, and the heating wire 52 has a continuous non-straight structure, that is, the heating wire 52 is spirally distributed over the entire heating tube 5, and is heated uniformly.

As an embodiment of the heating pipe 5, the heating pipe 5 includes a heating pipe body 51 and a heating wire 52 disposed inside the heating pipe body 51, the heating wire 52 includes a non-straight section 54 and a straight section 53, the straight section 53 is disposed at a position opposite to an opening of the heating pipe 5, the non-straight section 54 is disposed at both ends of the straight section 53, and the straight section 53 may correspond to a mounting position of the heating pipe 5, so that heat concentration may be prevented, local overheating may be prevented, the tub cover 3 may be protected, and the straight section 53 may be disposed at the position.

As an embodiment of the reflective plate 4, the reflective plate 4 includes a top plate 41 and side plates 42 disposed at two side edges of the top plate 41, and the side plates 42 are disposed in an inclined manner, so that more areas can be covered, and the flow guiding effect is better. Simultaneously, for the installation of convenient heating pipe 5, the lower extreme of reflecting plate 4 install a plurality of mounting panel 31, the both ends of mounting panel 31 be provided with the mounting hole, the middle part is provided with the arc wall, heating pipe 5 erect in the arc wall. And the back of the barrel is kept a certain distance from the barrel cover 3 to form a space, so that heat dissipation is facilitated and hot air flows downwards into the barrel under the action of wind.

From a safety point of view, a thermal protector 23 may be installed on the heating pipe 5 to prevent overheating of the heating pipe 5.

In order to better fix the heating pipe 5, at least one heating pipe mounting part 33 can be mounted on the inner side of the reflecting plate 4, a through hole is formed in the middle of the heating pipe mounting part 33, and the heating pipe 5 penetrates through the through hole, so that the mounting mode can prevent the heating pipe from being damaged or broken, the damping effect can be achieved, noise is reduced, and meanwhile, a gap is formed between the heating pipe 5 and the reflecting plate 4 due to the heating pipe mounting part 33, and heat dissipation of the heating pipe is facilitated.

In this embodiment, as an embodiment of the rotary power assembly, the rotary power assembly includes a clutch 12 connected to the inner dewatering tub 8 and a motor 11 disposed at one side of the clutch 12, and the clutch 12 and the motor 11 are connected by a transmission belt 13, such a structure can reduce the height of the washing machine, and the position arrangement is more reasonable, and of course, for a washing machine with low power, a technical solution that the motor 11 is directly connected to the inner dewatering tub 8 can be adopted.

As another embodiment, a boiling and washing heater 24 is installed at a position close to the bottom of the water tub 9 on the lower side of the inner dewatering tub 8, the boiling and washing heater 24 heats water inside the water tub 9, a high-temperature boiling and washing function can be realized without draining water, and partial steam generated during high-temperature boiling and washing can be naturally drained through an air outlet and an air exhaust pipe 20 on the tub cover 3 due to a hot air rising principle, so that the washing machine is safer.

Of course, the drying and dewatering washing machine in the embodiment has a continuous program of steaming, boiling and washing and a novel integrated drying machine, and can also have a separate drying program and a separate steaming, boiling and washing program. If the boiling heater (24) is not provided, the boiling function can be omitted.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. A closed drying and dewatering washing machine is characterized by comprising:

a housing (22);

the water containing barrel (9) is arranged in the machine shell (22), and a barrel cover (3) is mounted at the top of the water containing barrel (9) to seal the water containing barrel (9);

the dewatering inner barrel (8) is arranged inside the water containing barrel (9) and driven to rotate around the center line of the water containing barrel (9) by a rotating power assembly at the lower end of the water containing barrel (9), an air flow channel (25) is formed between the dewatering inner barrel (8) and the water containing barrel (9), and inner barrel holes (10) are uniformly distributed in the side wall of the dewatering inner barrel (8);

the heating assembly is arranged in the barrel cover (3) and radiates heat into the water containing barrel (9);

the drying power wind assembly is arranged at the top of the inner dewatering barrel (8) and rotates along with the inner dewatering barrel (8), the drying power wind assembly comprises a balance ring (6), a wind suction fan blade (2) arranged on the inner side of the balance ring (6) and a cross-flow fan blade (7) arranged on the lower side of the balance ring (6), and the cross-flow fan blade (7) is arranged on the outer side of the upper end of the inner dewatering barrel (8);

the exhaust port (18) is arranged on the upper side of the barrel cover (3) and communicated with the airflow channel (25), and the exhaust port (18) is connected with the machine shell (22) through an exhaust pipe (20) to communicate the airflow channel (25) with the outside;

and a water drainage assembly disposed at a lower end of the tub (9) to drain water in the tub (9) to the outside of the cabinet (22).

2. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: the cross-flow fan blade (7) is an arc-shaped blade which is obliquely arranged.

3. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: a gap is reserved between the inner side of the cross-flow fan blade (7) and the balance ring (6), and the upper end of the inner dewatering barrel (8) is embedded into the gap between the balance ring (6) and the cross-flow fan blade (7).

4. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: and an integrated forming structure is arranged between the cross-flow fan blade (7) and the balance ring (6).

5. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: the cross-flow fan blades (7) are independently arranged on the balance ring (6).

6. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: the wind suction fan blade (2) is arranged in an inner hole of the balance ring (6), and the wind suction fan blade (2) is formed by directly extending out of the side wall of the inner hole of the balance ring (6).

7. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: the air suction fan blade (2) comprises an inner ring (26), an outer ring (28) and blades (27) which are uniformly arranged between the inner ring (26) and the outer ring (28).

8. The closed drying-dewatering washing machine according to claim 7, characterized in that: the outer edge of the upper side of the outer ring (28) is provided with a circle of convex edge (29), and the convex edge (29) is erected and installed at the upper end of the inner hole of the balance ring (6).

9. The closed drying-dewatering washing machine according to claim 7, characterized in that: the air suction fan blade (2) and the balance ring (6) are integrally formed.

10. The closed drying and dehydrating washing machine as claimed in claim 1, wherein: an openable inner cover (1) is arranged in the middle of the barrel cover (3).

11. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: the drainage assembly comprises a drainage valve (17) connected with the water tub (9) and a drainage pipe (16) connected with the drainage valve (17), and one end of the drainage pipe (16) is connected with a drainage port (15) on the machine shell (22).

12. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: the heating assembly comprises a heating pipe (5) and a reflecting plate (4) arranged on the upper side of the heating pipe (5), and the heating pipe (5) is covered by the reflecting plate (4).

13. The closed drying-dewatering washing machine according to claim 12, characterized in that: the heating pipe (5) and the reflecting plate (4) are both in a ring shape with an opening at one side.

14. The closed drying-dewatering washing machine according to claim 12, characterized in that: the heating pipe (5) comprises a heating pipe body (51) and a heating wire (52) arranged inside the heating pipe body (51), wherein the heating wire (52) is of a continuous non-straight structure.

15. The closed drying-dewatering washing machine according to claim 12, characterized in that: heating pipe (5) including heating pipe body (51) and setting up heater strip (52) inside heating pipe body (51), heater strip (52) including non-straight section (54) and straight section (53), straight section (53) set up the position relative with the opening part of heating pipe (5), non-straight section (54) set up the both ends at straight section (53).

16. The closed drying-dewatering washing machine according to claim 12, characterized in that: the reflecting plate (4) comprises a top plate (41) and side plates (42) arranged on two side edges of the top plate (41), and the side plates (42) are obliquely arranged.

17. The closed drying-dewatering washing machine according to claim 12, characterized in that: the lower extreme of reflecting plate (4) install a plurality of mounting panel (31), the both ends of mounting panel (31) be provided with the mounting hole, the middle part is provided with the arc wall, heating pipe (5) erect in the arc wall.

18. The closed drying-dewatering washing machine according to claim 12, characterized in that: at least one heating pipe installation piece (33) is installed on the inner side of the reflecting plate (4), a through hole is formed in the middle of the heating pipe installation piece (33), and the heating pipe (5) penetrates through the through hole.

19. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: the rotary power component comprises a clutch (12) connected with the inner dewatering barrel (8) and a motor (11) arranged on one side of the clutch (12), and the clutch (12) and the motor (11) are connected through a transmission belt (13).

20. The closed drying-dehydrating washing machine as set forth in claim 1, wherein: a boiling and washing heater (24) is arranged at the lower side of the dewatering inner barrel (8) close to the bottom of the water barrel (9).