CN216777019U - Household appliance with door body - Google Patents

Abstract

A household appliance with a door body comprises a box body and the door body, wherein the edge of the door body is connected to the edge of an opening of the box body through a connecting assembly, the connecting assembly comprises a connecting column, a connecting seat, a moving piece and an elastic piece, the connecting column is arranged at the edge of the opening of the box body, and an annular clamping groove is formed in the peripheral wall of the connecting column; the connecting seat is arranged at the edge of the door body; the moving piece is movably arranged on the connecting seat, a clamping hole is formed in the moving piece, the clamping hole is provided with a large hole part for the end part of the connecting column to pass through and a small hole part for the hole wall to be clamped and matched with the groove wall of the annular clamping groove along the moving direction of the moving piece, the large hole part is communicated with the small hole part, and a joint port for the connecting column in the clamping hole to pass through along the moving direction of the moving piece is formed at the joint of the hole walls of the large hole part and the small hole part; the elastic component acts on the moving component, so that the moving component always has a trend of moving towards the first direction. This application is convenient for the door body dismouting.

Description

Household appliance with door body

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a household appliance with a door body.

Background

The existing household appliances with the door body, such as a cleaning machine, an oven, a steam box and the like, occupy a larger area in a kitchen, have higher and higher use frequency, are compact in structure, and usually adopt a damping and fixed shaft structure to realize the turnover of the door body. The door body on the existing household appliance can not be detached generally, which can cause the connecting part between the door body and the box body to be easy to store dirt and dirty.

In order to overcome the defects, the utility model patent application with the application number of 201810469063.X, namely a box component for a sink dish washing machine and the sink dish washing machine with the box component (with the application publication number of CN108634892A), discloses a box component for a sink dish washing machine and a sink dish washing machine with the box component, wherein the box component comprises a sink body, a door body and a damping connecting structure, and a cavity with an open top is defined in the sink body; the door body is pivotally connected to the water tank body and used for opening and closing the cavity, and an installation groove is formed in the door body; connection structure connects basin body and the door body, and connection structure includes: the hinge seat is arranged on the water tank body; the damping hinge comprises a shaft sleeve and a shaft core which can pivot relative to the shaft sleeve, the shaft sleeve is inserted in the mounting groove and is linked with the door body, and the shaft core extends out of the mounting groove; the connecting seat is arranged between the hinge seat and the damping hinge and is respectively connected with the shaft core and the hinge seat. And the hinge base is connected to the sink body through a threaded fastener.

The application can realize the cleanness of the junction of the door body and the water tank body to a certain extent, but the connecting mode of the threaded fastener has the defect of unchanged disassembly and assembly.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the utility model is to provide a household appliance with a door body, which is convenient for the disassembly and the assembly of the door body, aiming at the current situation of the prior art.

The second technical problem to be solved by the utility model is to provide the household appliance with the door body, which can reduce the risk of wire damage in the process of disassembly and assembly.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a household appliance with a door body, comprising:

a box body having a chamber with an opening;

the edge of the door body is connected to the edge of the opening of the box body through a connecting assembly;

it is characterized in that the connecting component comprises:

the connecting column is arranged at the edge of the opening of the box body, and the peripheral wall of the connecting column is provided with a circumferential extending annular clamping groove;

the connecting seat is arranged at the edge of the door body corresponding to the connecting column;

the movable piece is movably arranged on the connecting seat, the moving direction of the movable piece is crossed with the length direction of the connecting column, a clamping hole is formed in the movable piece, the clamping hole is provided with a large hole part for the end part of the connecting column to penetrate through and a small hole part for the hole wall to be clamped and matched with the groove wall of the annular clamping groove along the moving direction of the movable piece, the large hole part is communicated with the small hole part, and a connecting port for the connecting column in the clamping hole to pass through along the moving direction of the movable piece is formed at the joint of the hole walls of the large hole part and the small hole part, so that the connecting column in the large hole part is restrained in the small hole part after passing through the connecting port in the state that the movable piece moves along the first direction from the small hole part to the large hole part;

and the elastic piece acts on the moving piece so that the moving piece always has the trend of moving towards the first direction.

Preferably, the door body is arranged to rotate relative to the connecting base, so that the edge of the door body is rotatably connected to the edge of the opening of the box body through the connecting component. In addition to the rotary connection, the door body can also be arranged to be movable relative to the cabinet.

Furthermore, the connecting assembly comprises a rotating shaft extending along the edge of the door body, a first end of the rotating shaft is connected with the connecting seat, and a second end of the rotating shaft is rotatably connected to the corresponding edge of the door body.

In the above aspect, preferably, the moving member is a shaft-shaped body as a whole and extends along an edge of the door body, and the large hole portion and the small hole portion of the snap hole are arranged along an axial direction of the shaft-shaped body.

Preferably, the connecting assembly further comprises a guide post arranged at the edge of the opening of the box body, an opening for inserting the peripheral wall of the shaft-shaped body into is formed in the end face of the guide post, and the opening extends along the axial direction of the shaft-shaped body; the guide columns and the connecting columns are arranged at intervals along the axial direction of the shaft-shaped body and are basically vertical to the shaft-shaped body.

Further, coupling assembling is still including the reference column of locating the uncovered edge of box, set up on the connecting seat and supply the reference column to insert the locating hole wherein.

Furthermore, coupling assembling is still including the connecting plate, and the uncovered edge of box is located to this connecting plate, reference column, guide post, spliced pole all locate on the face of connecting plate basically perpendicularly, just reference column, guide post are located the both sides of spliced pole respectively.

In the above scheme, in order to realize that the door body can be installed without driving the driving part, preferably, the outer diameter of the end part of the connecting column increases progressively along the length direction to form a conical head, the small end of the conical head is a free end facing the moving member, and the annular clamping groove is arranged near the large end of the conical head. So, when the installation door body, the spliced pole is aimed at to the aperture portion in direct hole of blocking, and move the door body to the box, the effort that the elastic component can be overcome to the moving member under the effect of the conical surface of conical head and remove towards the second direction opposite with the first direction, thereby make the spliced pole stretch into in the macropore portion in the card hole, then the moving member can remove towards the first direction under the effect of elastic component, and make the annular draw-in groove looks joint of aperture portion in card hole and spliced pole, and then the installation of the door body of being convenient for.

The elastic piece can be a spring, an elastic sheet and the like, preferably, the elastic piece is a spring sleeved on the periphery of the shaft-shaped body, a first flange matched with a first end of the spring is arranged on the connecting seat, and a second flange matched with a second end of the spring is arranged on the peripheral wall of the shaft-shaped body.

In the above scheme, coupling assembling has two sets ofly and distributes along the door body and open edge, and two pivots in two sets of coupling assembling locate the both ends at door body edge coaxial line respectively, and the first end of two pivots sets up relatively, and the connecting seat in two sets of coupling assembling is located between two pivots and is connected with the first end of the pivot that corresponds separately.

Preferably, the inside of the connecting seat of every group coupling assembling all has the installation cavity, the moving member is inserted and is located the installation cavity, and the part of moving member exposes and forms the drive division outside the installation cavity, and two sets of coupling assembling's drive division sets up relatively and is located the central authorities at door body edge.

Preferably, the household appliance is a washing machine. Of course, the household appliance can also be an existing electric appliance with a door body and a box body, such as a steam box, an oven, a disinfection cabinet and the like.

The electric wire that is connected with door body, box electricity among the prior art often receives the condition that drags and cause the off-line after the door body is torn down, and after installing the door body again, there is the unable condition of retracting in the electric wire, so, in order to further solve above-mentioned second technical problem, preferably, still including the electric wire, locate on the door body and with the circuit board that the first end of electric wire is connected mutually, locate on the box and with the second end of electric wire electric function piece and winder mutually electric connection, the winder is located on the box for receive and release the electric wire. The functional parts can work under the condition of power supply, such as a fan for supplying air to the box body, a heating part for heating air and the like.

Preferably, the winder includes a winding reel and a torsion spring, the winding reel is rotatably arranged on the outer wall of the box body around the axis of the winding reel, a winding groove extending along the circumferential direction is formed in the circumferential wall of the winding reel, the electric wire is wound on the winding groove along a clockwise or counterclockwise third direction, and the torsion spring acts on the winding reel so that the winding reel always tends to rotate towards a fourth direction opposite to the third direction.

In order to avoid twisting of the electric wire and further improve the service life, the wire winding device preferably further comprises a slip ring assembly, wherein the second end of the electric wire is electrically connected with the functional part through the slip ring assembly, the slip ring assembly comprises a rotary drum which is coaxially connected with the winding drum and rotates along with the winding drum, a conductive ring which is sleeved on the peripheral wall of the rotary drum and rotates along with the rotary drum, and a conductive brush, the conductive brush is constrained outside the conductive ring and is in contact with the conductive ring, the conductive brush is electrically connected with the functional part, and the conductive ring is electrically connected with the second end of the electric wire.

Preferably, the number of the electric wires is at least three, the number of the conducting rings and the number of the conducting brushes are matched with the number of the electric wires, the conducting rings are arranged at intervals along the axial direction of the rotary drum, insulating rings are arranged between the adjacent conducting rings, the conducting rings are electrically connected with the second ends of the electric wires corresponding to the conducting rings, and the conducting brushes are arranged corresponding to the conducting rings.

Furthermore, the functional part comprises a hot air drying part arranged outside the box body, a hot air pipe of the hot air drying part for conveying hot air penetrates through the axes of the winding reel and the rotating drum and is communicated with the chamber, and the hot air pipe is a rotating shaft of the winding reel and the rotating drum.

Furthermore, a one-way valve is arranged on the mouth of the hot air pipe corresponding to the chamber. Thus, hot air can be blown into the cavity, but substances in the cavity cannot enter the hot air pipe.

Finally, the opening is located at the top of the chamber. Of course, the opening could also be located at the front side of the chamber to form a European dishwasher.

Compared with the prior art, the utility model has the advantages that: the connecting assembly is designed into a structure with a connecting column, a connecting seat, a moving piece and an elastic piece, and the moving piece is driven to move, so that the large hole part of the clamping hole in the moving piece is opposite to the connecting column, the moving piece can be separated from the constraint of the connecting column, and the door body can be separated from the box body; when the door body needs to be installed on the box body, the connecting column is clamped into the clamping hole of the moving piece, and the moving piece moves towards the first direction under the action of the elastic piece to enable the small hole part of the clamping hole to be clamped with the annular clamping groove of the connecting column, so that the door body is restrained on the box body, the door body can be assembled and disassembled by driving the moving piece to move, and the operation is convenient; simultaneously, this application simple structure, the implementation of being convenient for.

Drawings

FIG. 1 is a schematic view of a part of the structure of an embodiment of the present invention (one of the connection bases is omitted, and the door body thereof is mounted on the cabinet);

FIG. 2 is a cross-sectional view of an embodiment of the present invention (the door body is mounted on the cabinet);

FIG. 3 is a schematic view of a part of the structure of the embodiment of the present invention (the door body is separated from the cabinet body);

FIG. 4 is a schematic structural view (the door body is separated from the box body) at another view angle according to the embodiment of the present invention;

FIG. 5 is a partial cross-sectional view of FIG. 4;

FIG. 6 is a schematic structural diagram of a moving element according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of the connecting seat and the moving member according to the embodiment of the present invention;

FIG. 8 is a schematic view showing a connection structure between a reel, a slip ring assembly and a hot air duct according to an embodiment of the present invention;

FIG. 9 is a schematic view of the structure of FIG. 8 from another perspective;

FIG. 10 is an enlarged view of portion A of FIG. 1;

fig. 11 is an enlarged view of a portion B in fig. 2.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 11, a preferred embodiment of a household appliance with a door body according to the present invention is a cleaning machine, and includes a box body 1, a door body 2, a connecting assembly 3, an electric wire 4, a reel 5, a slip ring assembly 6, and a hot air drying member 7.

Wherein, the box body 1 is provided with a chamber 10 with an opening, and the opening is positioned at the top of the chamber 10, thereby leading the cleaning machine of the application to be of a water tank type structure.

The edge of the rear side of the door body 2 is rotatably connected to the edge of the rear side of the opening of the box body 1 through a connecting component 3. In this embodiment, the edges of the rear side and the open rear side of the door body 2 extend in the left-right direction.

The connecting assemblies 3 are arranged in two groups and distributed along the left and right directions. Each group of connecting assemblies 3 comprises a connecting plate 30, a connecting column 31, a connecting seat 32, a moving member 33, an elastic member 34, a rotating shaft 35, a guide column 36, a positioning column 37 and a sealing ring 38.

As shown in fig. 3, 10, and 11, the connecting plate 30 is disposed at the edge of the rear side of the opening of the box body 1, the positioning column 37, the guiding column 36, and the connecting column 31 are disposed on the plate surface of the connecting plate 30 substantially vertically, the positioning column 37 and the guiding column 36 are respectively disposed at two sides of the connecting column 31, and the three are disposed at intervals in the left-right direction. Meanwhile, the connecting column 31 has a circumferential groove 310 extending circumferentially on its circumferential wall. The outer diameter of the end of the connecting column 31 increases progressively along the axial direction to form a conical head 311, the small end of the conical head 311 is a free end facing upwards, and the ring-shaped clamping groove 310 is arranged adjacent to the large end of the conical head 311.

The connecting base 32 is mounted at the edge of the door 2 corresponding to the connecting post 31, the guiding post 36 and the positioning post 37. And the connecting base 32 is provided with a positioning hole 321 for inserting the positioning post 37 therein. In this embodiment, the connecting seat 33 has a mounting cavity 320 therein.

As shown in fig. 6, 7, 10 and 11, the moving member 33 is a shaft-shaped body and extends along the edge of the door body 2, the moving member 33 is inserted into the mounting cavity 320 of the connecting seat 32 in an axially movable manner, and the first end of the moving member 33 is exposed out of the mounting cavity 320 to form a driving portion 333 on which an external force is applied to move the moving member 33. The moving member 33 is provided with a clamping hole, the clamping hole is provided with a large hole part 331 allowing the end part of the connecting column 31 to pass through and a small hole part 332 allowing the hole wall to be clamped and matched with the groove wall of the annular clamping groove 310 along the axial direction of the moving member 33, the large hole part 331 is communicated with the small hole part 332, and a joint 330 allowing the connecting column 31 in the clamping hole to pass through along the moving direction of the moving member is formed at the joint of the hole walls of the large hole part 331 and the small hole part 332, so that the connecting column 31 in the large hole part 331 is restrained in the small hole part 332 through the joint 330 in the state that the moving member 33 moves along the first direction from the small hole part 332 to the large hole part 331. An opening 361 into which the peripheral wall of the shaft is inserted is formed in the end surface of the guide post 36, and the opening 361 extends in the axial direction of the shaft, so that the shaft can move in the axial direction along the opening 361 by an external force.

As shown in fig. 11, the elastic member 34 acts on the moving member 33 such that the moving member 33 always tends to move in the first direction. In this embodiment, the elastic element 34 is a spring sleeved on the outer periphery of the shaft-shaped body, and the inner wall of the mounting cavity 320 of the connecting seat 32 is provided with a first flange 322 matched with a first end of the spring, and the peripheral wall of the shaft-shaped body is provided with a second flange 334 matched with a second end of the spring.

The rotating shaft 35 extends left and right along the edge of the door body 2, and a first end of the rotating shaft 35 is connected to the connecting base 32 and a second end thereof is rotatably connected to the corresponding edge of the door body 2. And a damping structure is provided at a second end of the rotating shaft 35.

The sealing ring 38 is disposed around the moving member 33 near the first end of the moving member 33, and is in sealing engagement with the through hole of the mounting cavity 320 of the connecting seat 32 for extending the first end of the moving member 33. The second end of moving member 33 is located installation cavity 320, and the peripheral wall of moving member 33 near the second end is provided with protruding strip 335 extending along the axial direction of moving member 33 in a protruding manner, and the corresponding inner wall of installation cavity 320 is provided with groove 323 for protruding strip 335 to block in, so that moving member 33 can only move along its axial direction under the action of external force, and can not rotate in the circumferential direction, thereby ensuring that the clamping hole on moving member 33 can be always opposite to connecting column 31.

In this embodiment, two pivot 35 in two sets of coupling assembling 3 locate the door body 2 rear side reason respectively the coaxial line about both ends on, and the first end of two pivot 35 sets up relatively, and the connecting seat 32 in two sets of coupling assembling 3 is located between two pivot 35 and is connected with the first end of the pivot 35 that corresponds separately. The driving parts 333 of the two sets of connecting assemblies 3 are oppositely arranged and are positioned at the center of the edge of the door body 2. Thus, when the door body 2 needs to be detached, the driving portions 333 of the two sets of connecting assemblies 3 are pressed simultaneously, so that the moving members 33 in the two sets of connecting assemblies 3 can move outwards simultaneously. The structure of the door 2 separated from the cabinet 1 is shown in fig. 3 and 4.

The first end of the electric wire 4 is electrically connected with the circuit board on the door body 2, and the second end of the electric wire 4 is electrically connected with the functional component arranged on the box body 1. The winder 5 is arranged on the box body 1 and used for winding and unwinding the electric wire 4.

As shown in fig. 5, 8 and 9, the reel 5 includes a spool 51 and a torsion spring 52, wherein the spool 51 is rotatably disposed on the outer wall of the case 1 around the axis thereof, a winding groove 511 extending in the circumferential direction is formed in the circumferential wall of the spool 51, the electric wire 4 is wound around the winding groove 511 in the clockwise or counterclockwise third direction, and the torsion spring 52 acts on the spool 51 so that the spool 51 always tends to rotate in the fourth direction opposite to the third direction.

In this embodiment, the second end of the wire 4 is electrically connected to the functional component through the slip ring assembly 6, the slip ring assembly 6 includes a rotating drum 61 coaxially connected to the winding drum 51 and rotating with the winding drum 51, a conductive ring 62 sleeved on the outer circumferential wall of the rotating drum 61 and rotating with the rotating drum 61, and a conductive brush 63, the conductive brush 63 is constrained outside the conductive ring 62 and contacts with the conductive ring 62, the conductive brush 63 is electrically connected to the functional component, and the conductive ring 62 is electrically connected to the second end of the wire 4. Thus, when the electric wire is wound and unwound, the winding reel 51 can drive the rotary drum 61 and the conductive ring 62 to synchronously rotate, the conductive brush 63 is still not moved, but is always in contact with the conductive ring 62, so that the part of the electric wire 4 electrically connected with the functional element cannot rotate, and the electric connection between the functional element and the circuit board on the door body 2 can still be ensured.

In this embodiment, the number of the electric wires 4 is three (the electric wires are respectively connected to the positive electrode and the negative electrode of the power supply, and the transmission lines are used for transmitting the electric signals), the number of the conductive rings 62 and the number of the conductive brushes 63 are both matched with the number of the electric wires 4, each conductive ring 62 is arranged along the axial direction of the drum 61 at intervals, an insulating ring 64 is arranged between adjacent conductive rings 62, each conductive ring 62 is electrically connected with the second end of the corresponding electric wire 4, and each conductive brush 63 is arranged corresponding to the corresponding conductive ring 62.

The functional parts include a hot air drying part 7 arranged outside the box body 1, a hot air pipe 71 of the hot air drying part 7 for conveying hot air penetrates through the axes of the winding reel 51 and the rotary drum 61 and is communicated with the chamber 10, and the hot air pipe 71 is a rotating shaft of the winding reel 51 and the rotary drum 61. Meanwhile, a check valve 72 is disposed on the mouth of the hot air pipe 71 corresponding to the chamber 10. The check valve 72 includes two valve plates whose edges are connected via a rotating shaft, wherein the first valve plate 721 is fixed, the second valve plate 722 can rotate relative to the rotating shaft under the action of external force, and a limiting block 723 for limiting the opening and the angle of the second valve plate 722 is further disposed in the check valve 72. Thus, when the hot air drying unit 7 works, the hot air can push the second valve plate 722 to enter the chamber 10.

Claims (19)

1. A household appliance with a door body, comprising:

a box body (1) having a chamber (10) with an opening;

the edge of the door body (2) is connected to the edge of an opening of the box body (1) through a connecting component (3);

characterized in that, coupling assembling (3) including:

the connecting column (31) is arranged at the edge of the opening of the box body (1), and the circumferential wall of the connecting column (31) is provided with a circumferential extending annular clamping groove (310);

the connecting seat (32) is arranged at the edge of the door body (2) corresponding to the connecting column (31);

a moving member (33) movably arranged on the connecting seat (32), wherein the moving direction of the moving member (33) is crossed with the length direction of the connecting column (31), the moving piece (33) is provided with a clamping hole which is provided with a large hole part (331) for the end part of the connecting column (31) to pass through and a small hole part (332) with the hole wall matched with the groove wall of the annular clamping groove (310) along the moving direction of the moving piece (33), the large hole part (331) is communicated with the small hole part (332), and the joint of the two hole walls forms a joint (330) for the connection post (31) in the clamping hole to pass through along the moving direction of the moving member (33), so that in a state where the moving member (33) moves in the first direction from the small hole portion (332) to the large hole portion (331), the connecting column (31) in the large hole part (331) is restrained in the small hole part (332) through the connecting port (330);

and an elastic member (34) which acts on the moving member (33) so that the moving member (33) always tends to move in the first direction.

2. The household appliance according to claim 1, wherein: the door body (2) is arranged to rotate relative to the connecting seat (32), so that the edge of the door body (2) is rotatably connected to the edge of the opening of the box body (1) through the connecting component (3).

3. The household appliance according to claim 2, wherein: the connecting assembly (3) comprises a rotating shaft (35) extending along the edge of the door body (2), the first end part of the rotating shaft (35) is connected with the connecting seat (32), and the second end part is rotatably connected to the corresponding edge of the door body (2).

4. The household appliance according to claim 1, wherein: the moving piece (33) is integrally in a shaft shape and extends along the edge of the door body (2), and the large hole part (331) and the small hole part (332) of the clamping hole are arranged along the axial direction of the shaft shape.

5. The household appliance according to claim 4, wherein: the connecting assembly (3) further comprises a guide column (36) arranged at the edge of the opening of the box body (1), an opening (361) for inserting the peripheral wall of the shaft-shaped body into is formed in the end face of the guide column (36), and the opening (361) extends along the axial direction of the shaft-shaped body; the guide columns (36) and the connecting columns (31) are arranged at intervals along the axial direction of the shaft-shaped body and are basically vertical to the shaft-shaped body.

6. The household appliance according to claim 5, wherein: coupling assembling (3) are still including locating column (37) of the uncovered edge of locating box (1), offer on connecting seat (32) and supply locating column (37) to insert locating hole (321) wherein.

7. The household appliance according to claim 6, wherein: coupling assembling (3) are still including connecting plate (30), and the uncovered edge of box (1) is located in this connecting plate (30), on the face of connecting plate (30) is all located basically perpendicularly to reference column (37), guide post (36), spliced pole (31), just reference column (37), guide post (36) are located the both sides of spliced pole (31) respectively.

8. The household appliance according to claim 1, wherein: the outer diameter of the end part of the connecting column (31) is increased progressively along the length direction to form a conical head (311), the small end of the conical head (311) is a free end facing the moving part (33), and the annular clamping groove (310) is arranged adjacent to the large end of the conical head (311).

9. The household appliance according to claim 4, wherein: the elastic piece (34) is a spring sleeved on the periphery of the shaft-shaped body, a first flange (322) matched with a first end of the spring is arranged on the connecting seat (32), and a second flange (334) matched with a second end of the spring is arranged on the peripheral wall of the shaft-shaped body.

10. A household appliance as claimed in claim 3, characterized in that: coupling assembling (3) have two sets ofly and along door body (2) and open edge distribution, and two pivot (35) in two sets of coupling assembling (3) locate the both ends at door body (2) edge coaxial line respectively, and the first end of two pivot (35) sets up relatively, and connecting seat (32) in two sets of coupling assembling (3) are located between two pivot (35) and are connected with the first end of pivot (35) that correspond separately.

11. A household appliance as claimed in claim 10, characterized in that: the inside of the connecting seat (32) of every group coupling assembling (3) all has installation cavity (320), moving member (33) are inserted and are located in installation cavity (320), and partially expose of moving member (33) and form drive division (333) outside installation cavity (320), and drive division (333) of two sets of coupling assembling (3) set up relatively and are located the central authorities at door body (2) edge.

12. A household appliance as claimed in any one of claims 1 to 11, wherein: the household appliance is a cleaning machine.

13. A household appliance as claimed in claim 12, characterized in that: the door body is characterized by further comprising an electric wire (4), a circuit board, a functional piece and a winder (5), wherein the circuit board is arranged on the door body (2) and is electrically connected with the first end of the electric wire (4), the functional piece is arranged on the box body (1) and is electrically connected with the second end of the electric wire (4), and the winder (5) is arranged on the box body (1) and is used for winding and unwinding the electric wire (4).

14. The household appliance according to claim 13, wherein: the winder (5) comprises a winding reel (51) and a torsion spring (52), wherein the winding reel (51) is arranged on the outer wall of the box body (1) in a mode of rotating around the axis of the winding reel (51), a winding groove (511) extending along the circumferential direction is formed in the circumferential wall of the winding reel (51), the electric wire (4) is wound on the winding groove (511) along the clockwise or anticlockwise third direction, and the torsion spring (52) acts on the winding reel (51) so that the winding reel (51) always has the tendency of rotating towards the fourth direction opposite to the third direction.

15. The household appliance according to claim 14, wherein: the wire winding device is characterized by further comprising a slip ring assembly (6), wherein the second end of the wire (4) is electrically connected with the functional part through the slip ring assembly (6), the slip ring assembly (6) comprises a rotary drum (61) which is coaxially connected with the winding drum (51) and rotates along with the winding drum (51), a conductive ring (62) which is sleeved on the outer peripheral wall of the rotary drum (61) and rotates along with the rotary drum (61), and a conductive brush (63), the conductive brush (63) is restricted on the outer side of the conductive ring (62) and is in contact with the conductive ring (62), the conductive brush (63) is electrically connected with the functional part, and the conductive ring (62) is electrically connected with the second end of the wire (4).

16. The household appliance according to claim 15, wherein: the number of the electric wires (4) is at least three, the number of the conductive rings (62) and the number of the conductive brushes (63) are matched with the number of the electric wires (4), each conductive ring (62) is arranged along the axial direction of the rotary drum (61) at intervals, an insulating ring (64) is arranged between every two adjacent conductive rings (62), each conductive ring (62) is electrically connected with the second end of each corresponding electric wire (4), and each conductive brush (63) is arranged corresponding to each conductive ring (62).

17. The household appliance according to claim 15, wherein: the functional part comprises a hot air drying part (7) arranged outside the box body (1), a hot air pipe (71) of the hot air drying part (7) used for conveying hot air penetrates through the axes of the winding reel (51) and the rotary drum (61) and is communicated with the chamber (10), and the hot air pipe (71) is a rotating shaft of the winding reel (51) and the rotary drum (61).

18. The household appliance according to claim 17, wherein: a one-way valve (72) is arranged on the mouth part of the hot air pipe (71) corresponding to the chamber (10).

19. A household appliance as claimed in any one of claims 1 to 11, wherein: the opening is located at the top of the chamber (10).

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