CN215163935U

CN215163935U - Base assembly and heat pump clothes dryer

Info

Publication number: CN215163935U
Application number: CN202022882783.4U
Authority: CN
Inventors: 杨帆; 成荣锋; 王健
Original assignee: Qingdao Haier Drum Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Drum Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-12-14
Anticipated expiration: 2030-12-03

Abstract

The utility model belongs to the technical field of the dryer, a base subassembly and heat pump dryer are specifically disclosed. The base assembly includes: the overflow collecting cavity is divided into a first cavity and a second cavity by a rib plate, the lower end of the first cavity is separated from the upper end of the second cavity, and the upper end of the first cavity is communicated with the overflow channel; the overflow pipe is inserted into the first cavity in a sealing mode, the upper end of the overflow pipe is located outside the base and used for being connected with the water storage box, and the height of the lower end of the overflow pipe is lower than that of the upper end of the rib plate. The heat pump clothes dryer comprises a water storage box and the base assembly, the base assembly is arranged inside the heat pump clothes dryer, and the upper end of the overflow pipe is communicated with the water storage box. The utility model provides a base subassembly and heat pump clothes dryer can improve the leakproofness of base warning pipe department, prevents that the air from leaking, improves heat pump clothes dryer's drying efficiency.

Description

Base assembly and heat pump clothes dryer

Technical Field

The utility model relates to a dryer technical field especially relates to base subassembly and heat pump clothes dryer.

Background

A dryer is a laundry processing apparatus for drying laundry, and a heat pump type dryer is a common type of dryer. An air circulation channel is arranged in the heat pump type clothes dryer, heated air which is heated by a heater in a heat pump circulation system is sent into a roller of the clothes dryer to dry clothes, the heated air is in contact with wet clothes to take away moisture, the damp and hot air flows to an evaporator to be dehumidified, and the dehumidified air is heated by the heater again to circulate.

In the clothes drying process of the heat pump clothes dryer, hot air is condensed and cooled when flowing through the evaporator, and cooled condensed water flows to the water storage box below the evaporator from the surface of the evaporator and is collected. In order to avoid the influence of the overflow of water in the water storage box on the normal work of the clothes dryer, the water storage box is connected with an overflow pipe, one end of the overflow pipe is communicated with the water storage box, and the lower end of the overflow pipe is communicated with the base so as to discharge redundant water in the water storage box into the base.

The arrangement of the overflow pipe enables the inner space of the clothes dryer to be communicated with the outside through the overflow pipe and the base, so that air can enter the inside of the clothes dryer from the outside, and the drying efficiency of clothes is affected. And current seal structure that prevents air leakage includes valve structure and the simple and easy labyrinth seal structure of setting on the base, and wherein valve structure cost is higher, and the space occupies great, is difficult to be applied to in narrow and small space, and simple and easy seal structure's sealed effect is relatively poor, is difficult to satisfy the demand to the higher model of sealing performance requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a base subassembly improves the sealing performance of base department, simplifies base seal structure's setting.

Another object of the utility model is to provide a heat pump clothes dryer simplifies the sealed setting among the heat pump clothes dryer, improves heat pump clothes dryer's drying performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a base assembly, comprising:

the overflow water collecting cavity is divided into a first cavity and a second cavity by a rib plate, the lower end of the first cavity is separated from the upper end of the second cavity, the upper end of the first cavity is communicated with the upper end of the second cavity, and the second cavity is communicated with the overflow channel;

the overflow pipe is inserted into the first cavity in a sealing mode, the upper end of the overflow pipe is located outside the base and used for being connected with the water storage box, and the height of the lower end of the overflow pipe is lower than that of the upper end of the rib plate.

As a preferable mode of the base assembly, the overflow pipe includes:

the overflow outer pipe is positioned outside the base, and the upper end of the overflow outer pipe is communicated with the water storage box;

and the upper end of the butt joint pipe is hermetically inserted with the lower end of the overflow outer pipe, and the lower end of the butt joint pipe is inserted into the first chamber.

Through setting the overflow pipe to the butt joint pipe and the overflow outer tube of plug-in connection, conveniently control the inside degree of depth of overflow pipe insertion first cavity, and be favorable to being connected between overflow outer tube and the water storage box.

As a preferable technical scheme of the base assembly, the overflow collecting cavity has an upper end opening penetrating through the base, the base assembly further includes an air duct upper cover covering the upper end opening, a sealing ring is arranged between the air duct upper cover and the upper end of the base, the sealing ring is arranged around the upper end opening, the upper end of the butt joint pipe is located on the outer side of the air duct upper cover, and the lower end of the butt joint pipe penetrates through the air duct upper cover and is inserted into the first cavity through the upper end opening. The setting of wind channel upper shield makes things convenient for the setting up of overflow collection chamber, and the mode of setting up of wind channel upper shield and base simultaneously can make and form the base wind channel that supplies the circulated air to pass through between wind channel upper shield and the base.

As a preferred aspect of the base assembly, the docking pipe comprises:

the outer pipe part and the air duct upper cover are integrally formed, and the upper end of the outer pipe part is exposed out of the air duct upper cover;

the inner pipe part is positioned in the first cavity, the upper end of the inner pipe part is in sealed insertion connection with the outer pipe part, and the lower end of the inner pipe part is lower than the upper end of the rib plate.

The arrangement of the outer pipe part and the inner pipe part can improve the connection convenience between the butt joint pipe and the base or the upper cover of the air duct, and can effectively ensure the relative position stability of the butt joint pipe and the base after installation; the length of the inner pipe part can be reasonably set according to the height of the first cavity, and the butt joint pipe can be conveniently inserted into the first cavity; simultaneously, the length of outer tube portion can be shortened in the setting of inner tube portion to can simplify the processing of wind channel upper shield, reduce the processing cost and the processing degree of difficulty of wind channel upper shield.

As a preferable technical solution of the base assembly, a weir 1121 is formed at a lower portion of a side wall of the second chamber, and the weir 1121 forms an inlet of the weir passage.

As a preferred technical scheme of the base assembly, an evaporator is arranged in the base, a water collecting tank is arranged on the base and used for collecting condensed water dropping from the evaporator, and the overflow channel is communicated with the water collecting tank.

A base assembly, comprising:

the overflow device comprises a base, wherein an overflow collecting cavity and an overflow channel are arranged on the base, the overflow collecting cavity is divided into a first cavity and a second cavity by a rib plate, the upper end of the first cavity is separated from the lower end of the second cavity, the lower end of the first cavity is communicated with the lower end of the second cavity, the second cavity is provided with an overflow port communicated with the overflow channel, and the height of the overflow port is higher than that of the lower end of the rib plate;

and the upper end of the overflow pipe is positioned outside the base and is used for being communicated with the water storage box, and the lower end of the overflow pipe is hermetically inserted into the first cavity.

As a preferable technical scheme of the base assembly, the overflow collecting cavity has an upper end opening penetrating through the base, the base assembly further includes an air duct upper cover covering the upper end opening, a seal ring is arranged between the air duct upper cover and the upper end of the base, the seal ring is arranged around the upper end opening, the upper end of the overflow pipe is located on the outer side of the air duct upper cover, and the lower end of the overflow pipe penetrates through the air duct upper cover and is inserted into the first chamber through the upper end opening.

As a preferable mode of the base assembly, the overflow pipe includes:

and the upper end of the butt joint pipe is hermetically inserted with the lower end of the overflow outer pipe, the lower end of the butt joint pipe is inserted into the first cavity, and the butt joint pipe and the air duct upper cover are integrally formed.

The heat pump clothes dryer comprises a water storage box and the base assembly, wherein the base assembly is arranged inside the heat pump clothes dryer, and the upper end of the overflow pipe is communicated with the water storage box.

The beneficial effects of the utility model reside in that:

the utility model provides a base component, through setting up gusset and overflow pipe, and make the upper end height of gusset be higher than the lower extreme height of overflow pipe, when the comdenstion water flows into base department from the overflow pipe, the comdenstion water flows into in the first cavity through the overflow pipe, because first cavity and second cavity lower extreme cut off, the upper end communicates, only after the water in the first cavity has not crossed the lower extreme of overflow pipe, can flow into in the second cavity, thereby guarantee the lower extreme of overflow pipe is in the state of being soaked by water all the time, namely, when there is the comdenstion water in the first cavity, the lower extreme mouth of pipe of overflow pipe is in the watertight seal state all the time, can effectively isolate the air, even when the overflow pipe has no water flow to flow out, outside air can not enter the wind channel of base through the overflow pipe yet, the air in the wind channel also can not leak outward through the overflow pipe, effectively guarantee the sealed effect of base department, the drying efficiency and effect are ensured; and the sealing structure of the base has simple structure and lower cost.

The utility model provides another kind of base subassembly, when the comdenstion water in the water storage box spills over through the warning pipe, spill over the comdenstion water and flow into in the first cavity through the warning pipe, because first cavity and second cavity lower extreme intercommunication, and the gap that the second cavity communicates with overflow channel is higher than the lower extreme of gusset, can make partial comdenstion water be detained at first cavity and second cavity bottom, so that the lower extreme of gusset can be submerged by the comdenstion water all the time, thereby form water-tight seal between first cavity and second cavity, avoid the air flow between warning pipe and overflow channel; and the sealing structure of the base has simple structure and lower cost.

The utility model provides a heat pump clothes dryer, through adopting foretell base subassembly, can prevent effectively that the air from flowing into inside the heat pump clothes dryer and preventing the inside air of heat pump clothes dryer from leaking the outflow from the base through the base, improve heat pump clothes dryer's drying efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a heat pump clothes dryer provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a part of the structure of a base assembly according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a part of the structure of the base assembly according to the second embodiment of the present invention.

The figures are labeled as follows:

1. a base; 11. an overflow collection chamber; 111. a first chamber; 112. a second chamber; 1121. an overflow port; 12. a rib plate; 2. an air duct upper cover; 3. an overflow outer pipe; 4. butt-joint pipes; 41. an outer tube portion; 42. an inner tube portion; 5. a water storage box; 6. a drain pipe; 7. a drum; 8. a machine door; 9. a housing; 10. and (5) sealing rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

Fig. 1 is the embodiment of the present invention provides a partial structure diagram of a heat pump clothes dryer, as shown in fig. 1, the present embodiment provides a heat pump clothes dryer, which includes a casing 9, a drum 7 and a drying and condensing system, etc. disposed inside the casing 9, the casing 9 is used for supporting the whole machine, the drum 7 is used for holding clothes, and the drying and condensing system is used for drying the clothes inside the drum 7 during the internal circulation of the air heat pump clothes dryer. It can be understood that the heat pump clothes dryer provided by the embodiment may only have a clothes drying function, or may also have a washing and heat pump clothes dryer having both a washing function and a drying function.

The machine shell 9 is provided with a clothes input opening, the machine shell 9 is hinged with a machine door 8 at the clothes input opening, the machine door 8 is used for opening or closing the clothes input opening, and the front end opening of the rotary drum 7 faces the clothes input opening. The drying and condensing system comprises an air duct, a fan and a heat pump system, wherein the fan and the heat pump system are arranged in the air duct, the heat pump system comprises an evaporator and a condenser, the evaporator and the condenser respectively comprise a gas flow passage for gas to flow and a pipeline for refrigerant to flow, and the gas flow passage and the pipeline are arranged in a crossed mode, so that heat exchange between gas and the refrigerant is realized.

The fan is used for promoting the circulation of hot air between the air duct and the drum 7 to dry the clothes: the damp and hot air entering the air channel from the air outlet of the roller 7 flows through the evaporator and then exchanges heat with the refrigerant in the evaporator, the damp and hot air is cooled to condense carried water vapor to form water drops and is separated from air, the damp and hot air is condensed to become dry and cold air, the dry and hot air is exchanged heat with the refrigerant in the condenser when passing through the condenser and then enters the roller 7, and the dry and hot air is dried inside the roller 7 and absorbs the water vapor in the damp clothes and then enters the air channel from the air outlet of the roller 7 to circularly flow.

Since the evaporator and the condenser are usually disposed at the bottom of the drum 7 due to their large mass, a base assembly is further disposed in the heat pump dryer in order to facilitate the disposition of the air duct and the heat pump system, and the base assembly is disposed at the bottom of the heat pump dryer and between the drum 7 and the inner bottom wall of the cabinet 9. The base component comprises a concave base 1 and an air duct upper cover 2 connected to the upper end of the base 1 in a buckling mode, the air duct comprises a bottom air duct located between the base 1 and the air duct upper cover 2, and an evaporator and a condenser are arranged in the bottom air duct.

The setting of heat pump system in the heat pump dryer, seting up and setting up the position etc. of fan all can refer to prior art, this is not the utility model discloses a key, here is no longer repeated.

After the wet and cold air enters the evaporator, water vapor is condensed into condensate water, a water collecting tank used for collecting the condensate water is arranged in the base 1, and the condensate water dripping from the evaporator is collected in the water collecting tank. In order to facilitate the discharge of the condensed water, a condensed water collecting component is also arranged in the heat pump clothes dryer and comprises a water storage box 5, a drain pipe 6 communicated with the water storage box 5 and a water collecting tank and a water pump used for driving water to flow into the water storage box 5 from the water collecting tank.

The water storage box 5 is arranged above the roller 7, the position of the machine shell 9 corresponding to the water storage box 5 is provided with an installation opening, and the water storage box 5 can be arranged in the installation opening in a pulling way. After a certain amount of water is collected in the water collecting tank, the water pump pumps the condensed water in the water collecting tank to the water storage box 5, and a user can pour the water in the water storage box 5 in a mode of pumping the water storage box 5 out.

In order to prevent the water in the water storage box 5 from overflowing and flowing into an undesired position inside the heat pump clothes dryer, the base assembly comprises an overflow pipe, an overflow collecting cavity 11 is arranged on the base 1, the upper end of the overflow pipe is communicated with the upper side of the water storage box 5, and the lower end of the overflow pipe is communicated with the overflow collecting cavity 11. And in order to treat the condensed water in the overflow collecting cavity 11, an overflow channel is also arranged in the base 1 and is communicated with the overflow collecting cavity 11 and the water collecting tank, so that the water in the overflow collecting cavity 11 can flow back to the water collecting tank.

Fig. 2 is a cross-sectional view of the partial structure of the base assembly provided in the first embodiment of the present invention, as shown in fig. 2, a rib plate 12 is provided in the overflow collecting cavity 11, the rib plate 12 separates the overflow collecting cavity 11 into a first cavity 111 and a second cavity 112 which are communicated with each other at the upper end and separated from each other at the lower end, the lower end of the overflow pipe is sealed and inserted into the first cavity 111, the lower end of the overflow pipe is lower than the upper end of the rib plate 12, and the second cavity 112 is communicated with the overflow passage.

In the base assembly provided by the embodiment, by arranging the rib plate 12 and the overflow pipe, and making the upper end of the rib plate 12 higher than the lower end of the overflow pipe, when the condensate water flows into the base 1 from the overflow pipe, the condensate water flows into the first chamber 111 through the overflow pipe, because the lower ends of the first chamber 111 and the second chamber 112 are separated and the upper ends are communicated, the condensate water can flow into the second chamber 112 only when the water in the first chamber 111 is over the lower end of the overflow pipe, thereby ensuring that the lower end of the overflow pipe is always in a water-immersed state, i.e. when the condensate water exists in the first chamber 111, the lower end pipe mouth of the overflow pipe is always in a water-sealed state, which can effectively isolate air, even when no water flows out from the overflow pipe, the external air can not enter the air duct of the base 1 through the overflow pipe, the air in the air duct can not leak outwards through the overflow pipe, and the sealing effect at the base 1 can be effectively ensured, the drying efficiency and effect are ensured; and the sealing structure is simple in structure and low in cost.

In order to facilitate the opening of the overflow collecting cavity 11, the overflow collecting cavity 11 has an upper end opening penetrating through the base 1, the air duct upper cover 2 is covered on the upper end opening and seals the upper end opening, and a sealing ring 10 enclosing the upper end opening is arranged between the air duct upper cover 2 and the upper end of the base 1, so as to further prevent air from entering the overflow collecting cavity 11 through a gap between the air duct upper cover 2 and the upper end of the base 1.

Further, in order to facilitate the butt joint of the overflow pipe and the base 1, the overflow pipe comprises an overflow outer pipe 3 and a butt joint pipe 4, the overflow outer pipe 3 is positioned outside the base 1, and the upper end of the overflow outer pipe 3 is communicated with the water storage box 5; the upper end of the butt joint pipe 4 is hermetically inserted with the lower end of the overflow outer pipe 3, and the lower end of the butt joint pipe 4 is inserted into the first chamber 111. Through setting the overflow pipe to butt joint pipe 4 and overflow outer tube 3 of plug-in connection, can assemble the back at wind channel upper shield 2 and base 1 and accomplish, carry out the connection between overflow outer tube 3 and the butt joint pipe 4 again, conveniently control the overflow pipe and insert the inside degree of depth of first cavity 111, and be favorable to being connected between overflow outer tube and the water storage box 5.

Further, in order to improve the processing convenience of the butt joint pipe 4 and the butt joint reliability with the overflow outer pipe 3, the butt joint pipe 4 includes an outer pipe portion 41 integrally formed with the duct upper cover 2 and an inner pipe portion 42 located in the overflow collecting chamber 11 and hermetically connected with the outer pipe portion 41. The upper end of the outer pipe portion 41 is exposed to the main body of the duct upper cover 2, and the lower end of the overflow outer pipe 3 is hermetically inserted into the upper end of the outer pipe portion 41. The arrangement of the outer pipe part 41 and the inner pipe part 42 can improve the connection convenience between the butt joint pipe 4 and the base 1 or the air duct upper cover 2, and can effectively ensure the relative position stability of the butt joint pipe 4 and the base 1 after installation; moreover, because the inner pipe part 42 is detachably connected with the outer pipe part 41, the length of the inner pipe part 42 can be reasonably set according to the height of the first cavity 111, and the butt joint pipe 4 can be conveniently inserted into the first cavity 111; meanwhile, the length of the outer pipe portion 41 can be shortened by the arrangement of the inner pipe portion 42, so that the processing of the air duct upper cover 2 can be simplified, and the processing cost and the processing difficulty of the air duct upper cover 2 can be reduced.

To facilitate the connection between the outer pipe portion 41 and the inner pipe portion 42, the lower end of the outer pipe portion 41 extends into the overflow collecting chamber 11, and the upper end of the inner pipe portion 42 is fitted over the lower end of the outer pipe portion 41. In other embodiments, the lower end of the outer pipe portion 41 may not extend into the overflow collecting chamber 11, and the upper end of the inner pipe portion 42 may be inserted into the outer pipe portion 41. In the present embodiment, the outer pipe portion 41 and the inner pipe portion 42 are both vertically disposed to reduce the disposition space of the interface tube 4. In other embodiments, the butt-joint pipe 4 may be inclined with respect to the vertical direction, as long as the height of the lower end of the butt-joint pipe 4 is lower than the height of the upper end of the rib plate 12.

The rib plates 12 are vertically arranged so as to facilitate the processing of the rib plates 12 and avoid the interference between the butt joint pipe 4 and the rib plates 12. Preferably, the height difference between the lower end of the butt joint pipe 4 and the upper end of the rib plate 12 is 1 mm-5 mm, so that the lower end of the butt joint pipe 4 can be immersed into water to a certain depth, a certain water pressure is provided at the lower end pipe orifice of the butt joint pipe 4, and air leakage can be avoided.

In this embodiment, the lower end of the second chamber 112 is opened with an overflow 1121, and the overflow 1121 forms an inlet of the overflow passage. In other embodiments, the overflow 1121 may be disposed at other positions of the second chamber 112, as long as the overflow 1121 is not directly connected to the first chamber 111.

Other structural settings of base 1 and wind channel upper shield 2 on the base subassembly and other settings of heat pump dryer can refer to prior art, this is not the utility model discloses a key, no longer give unnecessary details here.

Example two

Fig. 3 is a cross-sectional view of a partial structure of a base assembly provided in the second embodiment of the present invention, as shown in fig. 3, the present embodiment provides a base assembly and a heat pump clothes dryer, and the structures of the base assembly and the heat pump clothes dryer provided in the present embodiment are substantially the same as those of the first embodiment, and only the arrangement of the overflow collecting cavity 11 and the overflow pipe is different, and the present embodiment does not describe the same structure as that of the first embodiment again.

As shown in fig. 3, the base assembly provided in this embodiment includes a base 1 and an overflow pipe, wherein the base 1 is provided with an overflow collecting cavity 11 and an overflow passage, the overflow collecting cavity 11 is partitioned by a rib plate 12 into a first cavity 111 and a second cavity 112, the upper end of the first cavity is partitioned by the rib plate 12, the lower end of the first cavity is communicated with the lower end of the second cavity, the second cavity 112 has an overflow 1121 communicated with the overflow passage, and the height of the overflow 1121 is higher than the height of the lower end of the rib plate 12. The upper end of the overflow pipe is located outside the base 1 and is adapted to communicate with the water storage box 5, and the lower end of the overflow pipe is sealingly inserted into the first chamber 111.

According to the arrangement mode, when the condensed water in the water storage box 5 overflows through the overflow pipe, the overflowing condensed water flows into the first chamber 111 through the overflow pipe, and because the lower ends of the first chamber 111 and the second chamber 112 are communicated, and the overflow port 1121 of the second chamber 112 communicated with the overflow channel is higher than the lower end of the rib plate 12, part of the condensed water can be retained at the bottoms of the first chamber 111 and the second chamber 112, so that the lower end of the rib plate 12 can be immersed by the condensed water all the time, a water seal is formed between the first chamber 111 and the second chamber 112, and air flowing between the overflow pipe and the overflow channel is avoided.

First cavity 111 has the upper end opening, and the base subassembly still establishes the wind channel upper shield 2 in base 1 upper end including the cover, and wind channel upper shield 2 seals the upper end opening, and still is provided with between wind channel upper shield 2 and the base 1 upper end and encircles first cavity 111 upper end open-ended sealing washer 10. The overflow pipe is sealed and penetrates through the air duct upper cover 2.

In order to simplify the installation of the overflow pipe, the overflow pipe comprises an overflow outer pipe 3 and a butt pipe 4, the overflow outer pipe 3 is positioned outside the air duct upper cover 2, the upper end of the overflow outer pipe 3 is communicated with the water storage box 5, and the lower end of the overflow outer pipe 3 is communicated with the upper end of the butt pipe 4. The butt joint pipe 4 and the air duct upper cover 2 are integrally formed, the upper end of the butt joint pipe 4 is exposed out of the air duct upper cover 2 and connected with the lower end of the overflow pipe, and the lower end of the butt joint pipe 4 is inserted into the first cavity 111. This kind of setting can simplify the processing of butt joint pipe 4, guarantees the relative position accuracy of butt joint pipe 4 and first cavity 111, and is favorable to the wind channel to cover 2 and the sealed between the butt joint pipe 4 more.

For other configurations of the base assembly and the heat pump clothes dryer, reference may be made to the configuration of the first embodiment and the configuration of the prior art, which are not described herein again.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A base assembly, comprising:

the overflow water collecting device comprises a base (1), wherein an overflow water collecting cavity (11) and an overflow channel are arranged on the base (1), the overflow water collecting cavity (11) is divided into a first cavity (111) and a second cavity (112) by a rib plate (12), the lower end of the first cavity is separated from the upper end of the second cavity, the upper end of the first cavity is communicated with the upper end of the second cavity, and the second cavity (112) is communicated with the overflow channel;

the overflow pipe is inserted into the first chamber (111) in a sealing mode, the upper end of the overflow pipe is located outside the base (1) and is used for being connected with the water storage box (5), and the height of the lower end of the overflow pipe is lower than that of the upper end of the rib plate (12).

2. The base assembly of claim 1, wherein the overflow tube comprises:

the overflow outer pipe (3) is positioned outside the base (1), and the upper end of the overflow outer pipe (3) is communicated with the water storage box (5);

the upper end of the butt joint pipe (4) is in sealed insertion connection with the lower end of the overflow outer pipe (3), and the lower end of the butt joint pipe (4) is inserted into the first chamber (111).

3. The base assembly according to claim 2, wherein the overflow collecting chamber (11) has an upper opening through the base (1), the base assembly further comprises an air duct upper cover (2) covering the upper opening, a sealing ring (10) is disposed between the air duct upper cover (2) and the upper end of the base (1), the sealing ring (10) is disposed around the upper opening, the upper end of the butt pipe (4) is located outside the air duct upper cover (2), and the lower end of the butt pipe (4) passes through the air duct upper cover (2) and is inserted into the first chamber (111) through the upper opening.

4. The base assembly according to claim 3, wherein the docking pipe (4) comprises:

an outer pipe portion (41), wherein the outer pipe portion (41) and the air duct upper cover (2) are integrally formed, and the upper end of the outer pipe portion (41) is exposed out of the air duct upper cover (2);

the inner pipe part (42) is located in the first chamber (111), the upper end of the inner pipe part (42) is in sealed insertion connection with the outer pipe part (41), and the lower end of the inner pipe part (42) is lower than the upper end of the rib plate (12).

5. The base assembly according to any one of claims 1-4, wherein a weir 1121 is formed at a lower portion of a sidewall of said second chamber (112), said weir 1121 forming an inlet of said weir passage.

6. The base assembly according to any one of claims 1 to 4, wherein an evaporator is arranged in the base (1), a water collecting tank is arranged on the base (1) and used for collecting condensed water dropping from the evaporator, and the overflow channel is communicated with the water collecting tank.

7. A base assembly, comprising:

the overflow device comprises a base (1), wherein an overflow collecting cavity (11) and an overflow channel are arranged on the base (1), the overflow collecting cavity (11) is divided into a first cavity (111) and a second cavity (112) by a rib plate (12), the upper end of the first cavity is separated from the lower end of the second cavity, the lower end of the first cavity is communicated with the lower end of the second cavity, the second cavity (112) is provided with an overflow port (1121) communicated with the overflow channel, and the height of the overflow port (1121) is higher than that of the lower end of the rib plate (12);

an overflow pipe, the upper end of which is positioned outside the base (1) and is used for communicating with the water storage box (5), and the lower end of which is hermetically inserted into the first chamber (111).

8. The base assembly according to claim 7, wherein the overflow collecting chamber (11) has an upper opening through the base (1), the base assembly further comprises an air duct upper cover (2) covering the upper opening, a sealing ring (10) is disposed between the air duct upper cover (2) and the upper end of the base (1), the sealing ring (10) is disposed around the upper opening, the upper end of the overflow pipe is located outside the air duct upper cover (2), and the lower end of the overflow pipe passes through the air duct upper cover (2) and is inserted into the first chamber (111) through the upper opening.

9. The base assembly of claim 8, wherein the overflow tube comprises:

the upper end of the butt joint pipe (4) is in sealed insertion connection with the lower end of the overflow outer pipe (3), the lower end of the butt joint pipe (4) is inserted into the first cavity (111), and the butt joint pipe (4) and the air duct upper cover (2) are integrally formed.

10. A heat pump clothes dryer comprising a water storage box (5), characterized by further comprising a base assembly according to any one of claims 1 to 9, said base assembly being disposed inside said heat pump clothes dryer, an upper end of said overflow pipe being in communication with said water storage box (5).