KR20210131966A - Washing machine - Google Patents

Abstract

Disclosed is a washing machine having an improved wire connection structure to electrically connect electrical components. The washing machine may comprise: a first electrical component; a cabinet defining the exterior and having an opening through which a laundry is put; a second electrical component; a door provided to open and close the opening; a wire electrically connecting the first electrical component and the second electrical component; and a hinge coupling the door to the cabinet so that the door is rotatable about a rotating axis and having a wire guide unit for guiding the wire.

Description

washing machine {WASHING MACHINE}

The present invention relates to a washing machine, and more particularly, to a washing machine having an improved wire connection structure for electrically connecting electrical components.

In general, a washing machine is a device for washing laundry by rotating a cylindrical rotating tub containing laundry and washing water. A type of washing machine includes a drum washing machine in which a rotating tub is arranged horizontally, and when the rotating tub rotates in a forward and reverse direction with respect to a horizontal axis, the laundry is lifted upward along the inner circumferential surface of the rotating tub and dropped to wash the laundry, and a pulsator inside There is a vertical axis washing machine which is a method of washing laundry by vertically disposing a rotating tub including

The drum washing machine includes a cabinet forming the exterior, a cylindrical tub installed inside the cabinet and containing washing water, a drum rotatably installed inside the tub to wash laundry, and a drum disposed behind the tub to rotate the drum. It may include a driving motor and a door installed on the front of the cabinet. The cabinet is provided with an opening communicating with the drum, and the door can open and close the opening.

In general, electrical equipment is placed inside a cabinet. However, in the process of implementing washing machines having various designs, there are cases in which electrical components disposed inside the cabinet and electrical components disposed outside the cabinet need to be electrically connected using wires.

One aspect of the present invention provides a washing machine having an improved structure to electrically connect electrical components inside a door and electrical components inside a cabinet.

Another aspect of the present invention provides a washing machine having an improved structure so that the electrical components inside the door and the electrical components inside the cabinet can be connected using wires without impairing the aesthetics of the washing machine.

Another aspect of the present invention provides a washing machine having an improved structure so that a wire passes through a hinge assembly to electrically connect electrical components inside a door and electrical components inside a cabinet.

A washing machine according to the spirit of the present invention includes a first electrical appliance, a cabinet that forms an exterior, a cabinet having an opening into which laundry is put, and a second electrical appliance, a door provided to open and close the opening, the first electrical appliance, and the second The hinge may include a wire for electrically connecting the electrical equipment and a wire guide part for coupling the door to the cabinet so that the door can be rotated about a rotating axis, and for guiding the wire.

The second electrical equipment may be provided inside the door.

The door is rotatable about one rotational axis.

The wire guide part may be recessed in the hinge so that the wire can be inserted.

The wire guide part may be formed to pass through the hinge.

The hinge may include a hinge body coupled to the cabinet and at least one hinge arm extending from the hinge body and having the wire guide part formed thereon.

The at least one hinge arm may include a first surface facing the cabinet, and the wire guide part may be recessed along at least a portion of the first surface.

The at least one hinge arm may include a second surface facing downward in the direction of the rotation axis, and the wire guide part may be recessed along at least a portion of the second surface.

The hinge may further include at least one protrusion formed to protrude from the at least one hinge arm in a rotational axis direction to form the rotational shaft.

The at least one protrusion includes a first protrusion formed to protrude upward from the at least one hinge arm in the direction of the rotation axis and a second protrusion formed to protrude downward from the at least one hinge arm in the direction of the rotation axis, and , A wire inlet may be formed in at least one of the first protrusion and the second protrusion so that the wire may be introduced into the wire guide part.

A wire outlet may be formed on one surface of the hinge body facing the cabinet so that the wire can be drawn out from the wire guide part.

A through hole may be formed in one surface of the cabinet to which the hinge body is coupled, and the wire drawn out from the wire outlet may pass through the through hole and be introduced into the cabinet.

The hinge may include a hinge cover detachably coupled to the wire guide part to prevent the wire inserted into the wire guide part from being exposed to the outside.

The hinge may include a hinge body coupled to the cabinet and at least one hinge arm extending from the hinge body toward the front of the washing machine, and the wire guide part may be formed to pass through the hinge body.

A washing machine according to the spirit of the present invention forms an exterior and includes a cabinet having an opening into which laundry is put, a door provided to open and close the opening, a hinge for rotatably coupling the door to the cabinet, and a wire passing through the hinge In the , one end of the wire is located inside the door, the other end of the wire may include a wire located inside the cabinet.

A first electrical component is provided inside the cabinet, a second electrical component is provided inside the door, and the wire electrically connects the first electrical component and the second electrical component.

A wire guide portion through which the wire passes may be recessed in the hinge.

A wire guide part through which the wire passes may be formed through the hinge.

The hinge may include a hinge body coupled to the cabinet and at least one hinge arm extending from the hinge body and having a wire guide portion through which the wire passes.

The at least one hinge arm includes a first arm extending from the hinge body toward the front of the washing machine and a second arm extending from the first arm to be bent toward the outside of the washing machine, and the wire guide unit includes the A depression may be formed along at least one of one surface of the first arm and one surface of the second arm.

The wire guide part may be continuously depressed along at least one of one surface of the first arm part and one surface of the second arm part.

The door may be rotatable about one rotation axis, and the hinge may further include at least one protrusion formed to protrude from the at least one hinge arm in a rotation axis direction to form the rotation axis.

The at least one hinge arm includes a first arm extending from the hinge body toward the front of the washing machine and a second arm extending from the first arm to be bent toward the outside of the washing machine, and the at least one protrusion may be formed to protrude from the second arm in the direction of the rotation axis.

A wire inlet may be formed in at least one of the at least one protrusion so that the wire may be introduced into the wire guide part.

A wire outlet may be formed on one surface of the hinge body facing the cabinet so that the wire can be drawn out from the wire guide part.

The hinge may include a hinge cover detachably coupled to the wire guide part to prevent the wire inserted into the wire guide part from being exposed to the outside.

A washing machine according to the spirit of the present invention is provided with a cabinet having an opening into which laundry is put, and electrical equipment, a door provided to open and close the opening, a wire electrically connected to the electrical equipment, and the door are coupled to the cabinet, and the door is coupled to the cabinet, It may include a hinge having a wire guide portion through which the wire passes.

The door is rotatable about one rotational axis.

By allowing the wire to pass through the hinge in the process of connecting the electrical components provided in the door and the electrical components provided in the cabinet with the wire, it is possible to prevent the wire from being largely exposed to the outside.

By inserting the wire into the wire guide portion formed in the hinge, it is possible to allow the wire to pass through the hinge in a simple and easy manner.

By coupling the wire cover to the wire guide part, it is possible to prevent foreign substances from flowing into the wire guide part.

By using a wire cover that can be detachably coupled to the wire guide portion, in the process of inserting the wire into the wire guide portion, the operation can be performed with the wire cover removed, thereby improving work efficiency, and the wire When inserted into the guide part, the wire can be stably accommodated in the wire receiving space by coupling the wire cover to the wire guide part.

1 is an exemplary view illustrating a state in which a display is applied to a washing machine according to an embodiment of the present invention;
2 is another exemplary view illustrating a state in which a light emitting unit is applied to a washing machine according to an embodiment of the present invention;
3 is a perspective view illustrating a state in which a door of a washing machine according to an embodiment of the present invention is opened;
4 is an exploded perspective view illustrating a coupling relationship between a door and a hinge of a washing machine according to an embodiment of the present invention;
5 is an enlarged view of a part of FIG. 4;
Fig. 6 is a view showing Fig. 5 from another angle;
7 is an exploded perspective view showing a hinge according to the first embodiment of the washing machine according to the embodiment of the present invention;
8 is an exploded perspective view showing the hinge according to the first embodiment from a different angle of FIG. 7 in the washing machine according to the embodiment of the present invention;
9 is a view showing a coupling structure of a hinge according to the first embodiment in a washing machine according to an embodiment of the present invention;
10 is a view schematically illustrating a state in which wires are connected in a washing machine according to an embodiment of the present invention;
11 is a view schematically illustrating a connection state of a wire viewed from the front of a glass holder in a washing machine according to an embodiment of the present invention;
12 is a view schematically illustrating a connection state of a wire as viewed from the rear of a glass holder in a washing machine according to an embodiment of the present invention;
13 is a view showing a coupling structure of a hinge according to a second embodiment in a washing machine according to an embodiment of the present invention;
14 is a view showing a coupling structure of a hinge according to a third embodiment in a washing machine according to an embodiment of the present invention;
15 is a view showing a coupling structure of a hinge according to a fourth embodiment in a washing machine according to an embodiment of the present invention;
16 is an exploded perspective view illustrating a hinge according to a fifth embodiment of a washing machine according to an embodiment of the present invention;
17 is a view showing a coupling structure of a hinge according to a fifth embodiment in a washing machine according to an embodiment of the present invention;
18 is a view showing a coupling structure of a hinge according to a sixth embodiment in a washing machine according to an embodiment of the present invention;

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. On the other hand, the terms "tip", "rear end", "upper", "lower", "upper" and lower" used in the following description are defined based on the drawings, and the shape of each component and Location is not limited.

Electrical equipment refers to electric/electronic parts that are operated by receiving power. In addition, the electronic device may be used in the sense of including a power supply. The electrical equipment may include first and second electronic equipment, and detailed descriptions of the first and second electric equipment will be described later.

1 is an exemplary view illustrating a state in which a display is applied to a washing machine according to an embodiment of the present invention.

As shown in FIG. 1 , a display 2 may be applied to the washing machine 1 . Specifically, the display 2 may be provided on the door 20 of the washing machine 1 . The display 2 may display the operating state of the washing machine 1 . In addition, the display 2 may be implemented in a touch screen method so that a user can easily select a function of the washing machine 1 . In addition, the display 2 may display time, temperature, etc. in terms of convenience for the user. In addition, the display 2 may display a picture, a photo, an image, etc. in consideration of design elements. At least one of a display 2 and a control panel 70 may be provided in the washing machine 1 .

As shown in FIG. 1 , when the display 2 is provided on the door 20 of the washing machine 1 , at least some of the various electrical components necessary to operate the display 2 may be provided inside the door 20 . A circuit board for controlling the operating state of the display 2 may be an example of an electronic device.

2 is another exemplary view illustrating a state in which a light emitting unit is applied to a washing machine according to an embodiment of the present invention.

As shown in FIG. 2 , the light emitting unit 3 may be applied to the washing machine 1 . Specifically, the light emitting unit 3 may be provided in the door 20 of the washing machine 1 . As an example, the light emitting part 3 may be provided along the edge of the door 20 . By providing the light emitting part 3 on the door 20 of the washing machine 1, the washing machine 1 having a dynamic design can be implemented.

As shown in FIG. 2 , when the light emitting unit 3 is provided on the door 20 of the washing machine 1 , at least some of various electrical components necessary to implement or operate the light emitting unit 3 may be provided inside the door 20 . have. A light emitting device such as an LED or a circuit board for controlling the operating state of the light emitting unit 3 may be an example of an electronic device.

As described above, various functions may be added to the door 20 of the washing machine 1 in consideration of user convenience or design, and at least one of the electrical components for implementing such a function is located inside the door 20 . can be provided in

3 is a perspective view illustrating a state in which the door of the washing machine according to an embodiment of the present invention is opened. 3 shows the washing machine 1 to which the hinge 100 according to the first embodiment is applied.

As shown in FIG. 3 , the washing machine 1 may include a cabinet 10 that forms an exterior. The cabinet 10 includes a front frame 11 forming the front exterior of the washing machine 1, an upper frame 12 forming the top exterior of the washing machine 1, and a side frame forming the side exterior of the washing machine 1 ( 13), a lower frame (not shown) forming a lower surface of the washing machine 1 and a rear frame (not shown) forming a rear surface of the washing machine 1 may be included.

The washing machine 1 may further include a tub (not shown). The tub is installed inside the cabinet 10 and wash water may be stored therein.

The washing machine 1 may further include a drum 15 . The drum 15 may be rotatably installed inside the tub. A plurality of dewatering holes 15a may be formed on the wall surface of the drum 15 . The drum 15 may be cylindrical. An opening may be formed in the front portion of the drum 15 to allow laundry to enter and exit.

The washing machine 1 may further include a door 20 . An opening 16 may be formed in the front frame 11 to insert or take out laundry. The door 20 may be provided to open and close the opening 16 . Specifically, the door 20 may be rotatably installed on the front frame 11 of the cabinet 10 to open and close the opening 16 . The door 20 may be rotatably installed about one rotating axis 195 . A detailed description of the door 20 will be described later.

The front frame 11 of the cabinet 10 may be provided with a door contact portion 17 that contacts the door 20 when the door 20 closes the opening 16 . The door contact portion 17 may be recessed toward the inside of the washing machine 1 , and may be formed along the edge of the opening 16 .

In addition, the door contact portion 17 may be formed to correspond to the shape of the door 20 . Accordingly, when the door 20 is closed, it is possible to improve the aesthetics by minimizing a portion protruding from the surface of the cabinet 10 .

The washing machine 1 may further include a water supply pipe (not shown) and a detergent container 18 . The water supply pipe may be installed on the top of the tub to supply wash water to the inside of the tub. One side of the water supply pipe may be connected to a water supply valve (not shown), and the other side of the water supply pipe may be connected to the detergent container 18 .

The detergent box 18 is connected to the drum 15 through a connection pipe (not shown), and water supplied through the water supply pipe is supplied into the drum 15 together with the detergent through the detergent box 18 .

The washing machine 1 may further include a driving motor (not shown). The driving motor may be provided at the rear of the drum 15 to drive the drum 15 .

The washing machine 1 may further include a drainage unit (not shown). The drain unit may be provided at the lower part of the cabinet 10 to discharge the wash water inside the tub to the outside of the washing machine 1 . The drain unit includes a drain pump (not shown), a connecting hose (not shown) connecting the tub and the drain pump so that water inside the tub can flow into the drain pump, and water pumped by the drain pump to the washing machine (1). It may include a drain hose (not shown) guiding to the outside of the.

The washing machine 1 may further include a control panel 70 . The control panel 70 may be provided on the front frame 11 of the cabinet 10 . The control panel 70 may include a display window 71 for displaying the operating state of the washing machine 1 , and a manipulation unit 72 provided to allow a user to operate the operating state of the washing machine 1 .

The washing machine 1 may further include a hinge 100 . The hinge 100 may couple the door 20 and the cabinet 10 . In other words, the hinge 100 may rotatably couple the door 20 to the cabinet 10 . A detailed description of the hinge 100 will be described later.

The washing machine 1 may further include a first electrical appliance 200 (refer to FIG. 10 ). The first electrical equipment 200 may be provided in the cabinet 10 . Preferably, the first electrical equipment 200 may be provided inside the cabinet 10 .

The first electrical device 200 may include, for example, a main printed circuit board (main PCB), a sub printed circuit board (sub PCB), a water supply valve, a driving motor, a power supply device, and the like. The main printed circuit board may be disposed inside the cabinet 10 . Specifically, the main printed circuit board may be disposed on the bottom surface of the rear side of the cabinet 10 . In other words, the main printed circuit board may be disposed behind the drum 15 . The main printed circuit board can control the operating state of a microcomputer, a water supply valve, a driving motor, and the like. In addition, the main printed circuit board may control the operating state of the second electrical device 300 . The sub printed circuit board may be disposed inside the control panel 70 . The sub printed circuit board may control operating states of the display window 71 and the manipulation unit 72 provided on the control panel 70 . The positions of the main printed circuit board and the sub printed circuit board are not limited to the above example and may be variously changed. Hereinafter, as an example of the first electrical device 200, the main printed circuit board will be mainly described.

The washing machine 1 may further include a second electric device 300 (refer to FIG. 10 ). The second electrical equipment 300 may be provided outside the cabinet 10 . As an example of a location where the second electrical device 300 is provided, the second electrical device 300 may be provided in the door 20 . Preferably, the second electrical device 300 may be provided inside the door 20 . As described with reference to FIGS. 1 and 2 , the second electronic device 300 includes, as an example, a circuit board that controls the operating state of the display 2 (refer to FIG. 1 ), a light emitting device such as an LED, and a light emitting unit 3 . (See FIG. 2) may include a circuit board for controlling the operating state.

The washing machine 1 may further include a wire 400 (refer to FIG. 10). The wire 400 may connect the first electrical device 200 and the second electrical device 300 . Specifically, the wire 400 may electrically connect the first electrical component 200 and the second electrical component 300 . A detailed description of the wire 400 will be described later.

4 is an exploded perspective view illustrating a coupling relationship between a door and a hinge of a washing machine according to an embodiment of the present invention, and FIG. 5 is an enlarged view of a part of FIG. 4 . 6 is a view showing FIG. 5 from another angle, and FIG. 7 is an exploded perspective view showing a hinge according to the first embodiment in the washing machine according to the embodiment of the present invention. Fig. 8 is an exploded perspective view showing the hinge according to the first embodiment from a different angle of Fig. 7 in the washing machine according to the embodiment of the present invention, and Fig. 9 is the washing machine according to the embodiment of the present invention, It is a view showing the coupling structure of the hinge according to the first embodiment. 4 to 6 show the washing machine 1 to which the hinge 100 according to the first embodiment is applied.

As shown in FIGS. 4 to 9 , the door 20 includes a door glass 30 provided so that a user can check the inside of the drum 15 and the door glass 30 are coupled, and one side thereof A glass holder 40 having a receiving groove 44 in which at least a portion of the hinge 100 is accommodated or coupled, a door cover 50 covering the front surface of the glass holder 40, the glass holder 40 and the door It is located between the cover 50 and covers the receiving groove 44 to include a cover plate 60 forming a receiving portion (not shown) for accommodating at least a portion of the hinge 100 together with the receiving groove 44 . can

The door glass 30 may be formed of a transparent plastic material so that the user can visually check the washing process.

The door glass 30 includes a cylindrical glass body 31 having an open front thereof, a flange portion 32 formed along the outer circumferential surface of the glass body 31 so as to be coupled to the glass holder 40 , and the glass It may include a guide part 33 formed to be inclined at the rear of the body 31 to guide the washing water used in the washing process toward the drum 15 .

The glass holder 40 has a disk-shaped holder body 41 with a hollow center thereof, a handle portion 42 formed on the front surface of the holder body 41 in the circumferential direction, and the handle portion 42 opposite to the holder body 41 . It may include a hinge coupling portion 43 formed on its front surface along the circumferential direction of the holder body 41 at the position.

The hinge coupling part 43 protrudes a predetermined length from the front surface of the holder body 41 so that at least one receiving groove 44 in which at least a portion of the hinge 100 is accommodated or coupled, and the cover plate 60 can be coupled to each other. It may include a coupling rib 45 that is.

The receiving groove 44 includes a first receiving groove 44a for accommodating the second arm 122 of the hinge 100 in a state in which the door 20 closes the opening 16, and a protrusion ( 130) may include a second receiving groove (44b) for accommodating. The first accommodating groove 44a is formed by cutting a portion of the holder body 41 from the outside to the inside by a predetermined length, and the second accommodating groove 44b intersects and communicates with the first accommodating groove 44a. have. The first accommodating groove 44a may be provided in a direction substantially horizontal to the ground, and the second accommodating groove 44b may be provided in a direction substantially perpendicular to the first accommodating groove 44a.

The coupling rib 45 is elongated along the circumferential direction of the holder body 41 and protrudes a predetermined length from the front surface of the holder body 41 so that the cover plate 60 can be coupled thereto. In addition, the coupling rib 45 protrudes a predetermined length from the front surface of the holder body 41, thereby reinforcing the rigidity of the hinge coupling portion 43 where the load of the door 20 is concentrated while the door 20 rotates. Therefore, the door 20 can be rotated stably without being hit or damaged.

The door cover 50 may be coupled to the glass holder 40 to form the exterior of the door 20 and cover the front surface of the glass holder 40 .

The door glass 30 , the glass holder 40 , and the door cover 50 may be injection molded from a plastic material that is light and has a certain strength or more.

The cover plate 60 is provided in a shape corresponding to the coupling rib 45 and is coupled to the hinge coupling portion 43 in a direction parallel to the axial direction of the drum 15 . The cover plate 60 includes a plurality of bent portions 61 whose outer ends are bent so as to cover the hinge coupling portion 43 , and the hinge 100 in a state in which the door 20 closes the opening 16 . ) of the second arm part 122 and a portion of the protrusion 130 at positions corresponding to the first accommodating groove 44a and the second accommodating groove 44b so as not to interfere with the second arm part 122 and the protrusion 130 . It may include a third receiving groove 62 for accommodating the.

The third accommodating groove 62 may form an accommodating portion (not shown) for accommodating at least a portion of the hinge 100 together with the first accommodating groove 44a and the second accommodating groove 44b. Specifically, the third accommodating groove 62 accommodates the second arm part 122 together with the first accommodating groove 44a so that the cover plate 60 does not interfere with the second arm part 122, and the door (20). The protrusion 130 may be accommodated or supported together with the second accommodating groove 44b so as to be able to rotate around the rotating shaft 195 as a rotation center.

The hinge 100 may couple the door 20 to the cabinet 10 so that the door 20 is rotatable about a rotating axis 195 .

The hinge 100 may include a hinge body 110 . The hinge body 110 may be coupled to the cabinet 10 . Specifically, the hinge body 110 may be coupled to the front surface of the cabinet 10 to the outside of the opening 16 . That is, the hinge body 110 may be coupled to the front frame 11 outside the opening 16 .

The hinge body 110 may be provided as a plate elongated approximately along the circumferential direction of the door 20 . In addition, the hinge body 110 may include a plurality of fixing holes 111 to be fixed to the front of the cabinet 10 , that is, to the front frame 11 .

The hinge 100 may further include at least one hinge arm 120 . At least one hinge arm 120 may extend from the hinge body 110 .

* At least one hinge arm 120 may include a first arm part 121 extending from the hinge body 110 toward the front of the washing machine 1 . That is, the first arm part 121 may be formed to extend a predetermined length from the front surface of the hinge body 110 .

The at least one hinge arm 120 may further include a second arm part 122 extending from the first arm part 121 to be bent toward the outside of the washing machine 1 .

In another aspect, the at least one hinge arm 120 may include the first surface 123 . The first surface 123 may face the cabinet 10 . Specifically, the first surface 123 may face the front surface of the cabinet 10 .

At least one hinge arm 120 may further include a second surface 124 . The second surface 124 may face downward in the rotation axis direction (X).

* At least one hinge arm 120 may further include a third surface 125 . The third surface 125 may face upward in the rotation axis direction (X).

At least one hinge arm 120 may further include a fourth surface 126 . The fourth surface 126 may face the door 20 .

The second surface 124 and the third surface 125 may connect the first surface 123 and the fourth surface 126 . Specifically, the second surface 124 may connect the lower end of the first surface 123 and the lower end of the fourth surface 126 . The third surface 125 may connect the upper end of the first surface 123 and the upper end of the fourth surface 126 .

The hinge 100 may further include at least one protrusion 130 . The at least one protrusion 130 may protrude from the at least one hinge arm 120 in a rotating axis X. At least one protrusion 130 may form a rotation shaft 195 .

The at least one protrusion 130 may include a first protrusion 131 and a second protrusion 132 . The first protrusion 131 may be formed to protrude upward from the at least one hinge arm 120 in the direction of the rotation axis (X). The second protrusion 132 may be formed to protrude downward from the at least one hinge arm 120 in the direction of the rotation axis (X). Specifically, the first protrusion 131 may be formed to protrude upward from one end of the second arm 122 in the direction of the rotation axis (X), and the second protrusion 132 may be a portion of the second arm 122 . It may be formed to protrude downward from the end in the direction of the rotation axis (X). That is, the first protrusion 131 and the second protrusion 132 may extend upwardly and downwardly from the second arm part 122 in the direction of the rotation axis (X).

The hinge 100 may further include a wire guide unit 140 for guiding the wire 400 .

The wire guide unit 140 may be formed on the hinge 100 . The wire guide unit 140 may be recessed in the hinge 100 to allow the wire 400 to pass therethrough. In other words, the wire guide unit 140 may be recessed in the hinge 100 so that the wire 400 can be inserted.

The wire guide unit 140 may be formed on at least one hinge arm 120 . The wire guide part 140 may be recessed along at least one of one surface of the first arm part 121 and one surface of the second arm part 122 . The wire guide part 140 may be continuously recessed along at least one of one surface of the first arm part 121 and one surface of the second arm part 122 .

The wire guide unit 140 may be recessed along at least a portion of the first surface 123 .

The hinge 100 may further include a wire inlet 150 . The wire inlet 150 may be formed to communicate with the wire guide 140 so that the wire 400 can be introduced into the wire guide 140 . The wire inlet 150 may be formed in at least one of the at least one protrusion 130 . That is, the wire inlet 150 may be formed in at least one of the first protrusion 131 and the second protrusion 132 . Preferably, the wire inlet 150 may be formed in the second protrusion 132 .

The hinge 100 may further include a wire outlet 160 . The wire outlet 160 may be formed on one surface 112 of the hinge body 110 facing the cabinet 10 so that the wire 400 can be drawn out from the wire guide unit 140 . The wire outlet 160 may be formed to communicate with the wire guide unit 140 so that the wire 400 can be drawn out from the wire guide unit 140 .

The hinge 100 may further include a hinge cover 170 . The hinge cover 170 may be detachably coupled to the wire guide unit 140 . The hinge cover 170 may serve to prevent foreign substances from entering the wire guide unit 140 . In addition, the hinge cover 170 may serve to prevent the wire 400 inserted into the wire guide unit 140 from being exposed to the outside. The hinge cover 170 may be detachably coupled to the wire guide unit 140 to form a part of the exterior of the hinge 100 . As such, by using the hinge cover 170 that can be detachably coupled to the wire guide unit 140 , the hinge cover 170 is removed in the process of inserting the wire 400 into the wire guide unit 140 . It is possible to perform a work with a wire to improve work efficiency, and when the wire 400 is inserted into the wire guide part 140 , the hinge cover 170 is coupled to the wire guide part 140 by coupling the wire 400 to the wire. It can be stably accommodated in the guide unit 140 .

The hinge cover 170 may include a cover body 171 .

The hinge cover 170 may further include at least one coupling rib 172 . At least one coupling rib 172 may extend from the cover body 171 . Preferably, the at least one coupling rib 172 is a first coupling rib 172a extending upwardly from the cover body 171 in the rotational axis direction (X) and from the cover body 171 in the rotational axis direction (X). It may include a second coupling rib (172b) extending downward.

At least one coupling rib 172 may be coupled to at least one coupling groove 127 formed in at least one hinge arm 120 . At least one coupling rib 172 may be fitted into the at least one coupling groove 127 . The at least one coupling groove 127 may be formed on the same surface as the one surface of the at least one hinge arm 120 on which the wire guide unit 140 is formed. As an example, when the wire guide unit 140 is formed on the first surface 123 of the at least one hinge arm 120 , the at least one coupling groove 127 is also formed on the first surface 123 of the at least one hinge arm 120 . It may be formed on one surface 123 .

The hinge cover 170 may further include at least one support rib 173 . At least one support rib 173 may extend from the cover body 171 . The at least one support rib 173 may be engaged with one surface of the at least one hinge arm 120 . The at least one support rib 173 may include a bent part 174 having a bent shape to couple the hinge cover 170 to the wire guide part 140 . As an example, when the wire guide unit 140 is formed on the first surface 123 of the at least one hinge arm 120 , the at least one support rib 173 moves from the cover body 171 in the rotation axis direction (X). ) may extend downward, and in this case, the bent portion 174 may be engaged with the second surface 124 of the at least one hinge arm 120 . As another example, when the wire guide unit 140 is formed on the first surface 123 of the at least one hinge arm 120 , the at least one support rib 173 moves in the direction of the rotation axis from the cover body 171 ( X) may extend upward, and in this case, the bent portion 174 may be engaged with the third surface 125 of the at least one hinge arm 120 .

The hinge cover 170 may be stably coupled to the wire guide unit 140 by at least one coupling rib 172 and at least one support rib 173 .

One end of the hinge cover 170 may form a wire inlet 150 together with the at least one protrusion 130 . Specifically, the at least one protrusion 130 may include a cutout 175 , and one end of the hinge cover 170 is coupled to the cutout 175 , and the at least one protrusion 130 together with the wire inlet. (150) can be formed.

The other end of the hinge cover 170 may form a part of the wire outlet 160 . In other words, the other end of the hinge cover 170 may form a wire outlet 160 together with the hinge body 110 .

The hinge 100 may further include at least one protrusion cover 180 . The at least one protrusion cover 180 may be coupled to the at least one protrusion 130 so as to surround the at least one protrusion 130 . The at least one protrusion cover 180 may be detachably coupled to the at least one protrusion 130 to prevent the at least one protrusion 130 serving as the rotation shaft 195 from being worn or damaged.

The washing machine 1 may further include a fixing ring 190 coupled to the at least one protrusion 130 . The fixing ring 190 may be coupled to the at least one protrusion 130 so as to surround the at least one protrusion 130 from the outside. The fixing ring 190 may be coupled to at least one protrusion 130 in which the wire inlet 150 is formed. The fixing ring 190 may have a cylindrical shape with an open bottom. However, the shape of the fixing ring 190 is not limited to the above example, and various modifications are possible. The fixing ring 190 may simultaneously wrap at least one protrusion forming the wire inlet 150 and one end of the hinge cover 170 . At least one protrusion 130 and one end of the hinge cover 170 may be firmly coupled by the fixing ring 190 .

The at least one hinge arm 120 may include a first hinge arm 128 positioned downward in the rotation axis direction (X) and a second hinge arm 129 positioned upward in the rotation axis direction (X). 7 to 9 , the wire guide part 140 of the hinge 100 according to the first embodiment may be formed on the first hinge arm 128 . Specifically, the wire guide part 140 of the hinge 100 according to the first embodiment may be recessed in the first surface 123 of the first hinge arm 128 .

10 is a view schematically showing a connection state of wires in a washing machine according to an embodiment of the present invention, and FIG. 11 is a view of a wire viewed from the front of a glass holder in the washing machine according to an embodiment of the present invention It is a diagram schematically showing the connection state. 12 is a view schematically illustrating a connection state of a wire viewed from the rear of the glass holder in the washing machine according to an embodiment of the present invention. In FIG. 10 , a wire 400 disposed inside the washing machine 1 is illustrated by a solid line to help understanding of the invention.

10 to 12 , the wire 400 may pass through the hinge 100 . Specifically, one end of the wire 400 passing through the hinge 100 is located inside the door 20 , and the other end of the wire 400 passing through the hinge 100 is located inside the cabinet 10 . can do.

The wire 400 may be electrically connected to an electrical device. In other words, the wire 400 may electrically connect the first electrical component 200 and the second electrical component 300 .

The wire 400 may include a first wire 410 and a second wire 420 connected to the first wire 410 . The first wire 410 may pass through the hinge 100 and be connected to the second wire 420 . One end of the first wire 410 may be connected to the second electrical equipment 300 provided inside the door 20 , and the other end of the first wire 410 may be connected to the second wire 420 . In other words, the first wire 410 and the second wire 420 are a connector 411 provided at the other end of the first wire 410 and a connector 421 provided at one end of the second wire 420 . can be connected to each other by bonding. The first wire 410 and the second wire 420 may be coupled inside the cabinet 10 . The second wire 420 may include a main wire harness.

In the process of connecting the first electrical device 200 and the second electrical device 300 , at least a portion of the wire 400 may be disposed along the circumferential direction of the door 20 . As an example, at least a portion of the wire 400 positioned inside the door 20 may be disposed along the circumferential direction of the door 20 .

A through hole 10a (refer to FIG. 4 ) may be formed in the cabinet 10 . Specifically, the through hole 10a may be formed on one surface of the cabinet 10 to which the hinge body 110 is coupled, that is, the front surface of the cabinet 10 . The wire 400 passing through the hinge 100 may be introduced into the cabinet 10 through the through hole 10a.

The wire 400 connected to the second electrical equipment 300 reaches the hinge 100 , and the wire 400 reaching the hinge 100 passes through the hinge 100 and the first wire 400 is provided inside the cabinet 10 . It is connected to the electrical equipment 200 . In other words, one end of the wire 400 may be connected to the second electrical component 300 , and the other end of the wire 400 may pass through the hinge 100 and connected to the first electrical component 200 . As described above, since the first electrical appliance 200 and the second electrical appliance 300 may be electrically connected by the wire 400 passing through the hinge 100 , most of the wire 400 is exposed to the outside and the washing machine 1 ) can be prevented from harming the aesthetics of

The wire 400 connected to the second electric device 300 provided in the door 20 reaches the hinge 100 along the circumferential direction of the door 20 . The wire 400 reaching the hinge 100 is inserted into the wire guide unit 140 through the wire inlet 150 . The wire 400 inserted into the wire guide unit 140 passes through the wire outlet 160 and the through hole 10a provided on one surface of the cabinet 10 to correspond to the wire outlet 160 to the cabinet 10 . pulled out inside The wire 400 drawn into the cabinet 10 is connected to the first electrical equipment 200 provided in the cabinet 10 .

13 is a view illustrating a coupling structure of a hinge according to a second embodiment of a washing machine according to an embodiment of the present invention. Hereinafter, descriptions overlapping with the hinge 100 according to the first embodiment will be omitted.

13 , the wire guide part 540 of the hinge 500 according to the second embodiment may be formed on the second hinge arm 129 positioned upward in the rotation axis direction (X). Specifically, the wire guide part 540 of the hinge 500 according to the second embodiment may be recessed in the first surface 123 of the second hinge arm 129 .

14 is a view illustrating a coupling structure of a hinge according to a third embodiment of a washing machine according to an embodiment of the present invention. Hereinafter, descriptions overlapping with the hinge 100 according to the first embodiment will be omitted.

As shown in FIG. 14 , the wire guide part 640 may be formed to pass through the hinge 600 . In other words, the wire guide part 640 may be formed in the hinge 600 in the shape of a hole through which the wire 400 may pass.

Specifically, the wire guide part 640 may be formed to pass through at least one hinge arm 120 . The wire guide part 640 may be formed to pass through at least one hinge arm 120 in a direction substantially perpendicular to the rotation axis 195 . The wire inlet 150 may be formed on the fourth surface 126 of the at least one hinge arm 120 . The wire outlet 160 may be formed on one surface 112 of the hinge body 110 facing the cabinet 10 . The wire inlet 150 and the wire outlet 160 may be formed to communicate with the wire guide unit 640 .

14 illustrates a case in which the wire guide part 640 is formed on the first hinge arm 128 , the wire guide part 640 is formed in at least one of the first hinge arm 128 and the second hinge arm 129 . can be formed in

15 is a view showing a coupling structure of a hinge according to a fourth embodiment in a washing machine according to an embodiment of the present invention. Hereinafter, descriptions overlapping with the hinge 100 according to the first embodiment will be omitted.

As shown in FIG. 15 , the wire guide part 740 may be formed to pass through the hinge 700 . In other words, the wire guide part 740 may be formed in the hinge 700 in the shape of a hole through which the wire 400 may pass.

Specifically, the wire guide part 740 may be formed to pass through the hinge body 110 . The wire guide part 740 may be formed to pass through the hinge body 110 in a direction substantially perpendicular to the rotation axis 195 . The wire inlet 150 may be formed on one surface 113 of the hinge body 110 facing the door 20 . The wire outlet 160 may be formed on one surface 112 of the hinge body 110 facing the cabinet 10 . The wire inlet 150 and the wire outlet 160 may be formed to communicate with the wire guide part 740 .

15 illustrates a case in which the wire guide part 740 is formed under the first hinge arm 128 , the wire guide part 740 is disposed between the first hinge arm 128 and the second hinge arm 129 . It may be formed, or it may be formed on the second hinge arm 129 .

16 is an exploded perspective view showing a hinge according to a fifth embodiment of a washing machine according to an embodiment of the present invention, and FIG. 17 is a washing machine according to an embodiment of the present invention, according to the fifth embodiment. It is a diagram showing the coupling structure of the hinge. Hereinafter, descriptions overlapping with the hinge 100 according to the first embodiment will be omitted.

16 and 17 , the wire guide part 840 may be recessed in the hinge 800 so that the wire 400 can be inserted. Specifically, the wire guide part 840 may be recessed in the at least one hinge arm 120 .

The wire guide part 840 may be recessed along at least a portion of the second surface 124 of the at least one hinge arm 120 that faces downward in the rotation axis direction (X).

The wire inlet 150 may be formed in the at least one protrusion 130 . Specifically, the at least one protrusion 130 includes a cutout 175 , and one end of the hinge cover 170 is coupled to the cutout 175 , and the wire inlet 150 together with the at least one protrusion 130 . ) can be formed.

The wire outlet 160 may be formed on one surface 112 of the hinge body 110 facing the cabinet 10 so that the wire 400 can be drawn out from the wire guide part 840 .

The wire inlet 150 and the wire outlet 160 may be formed to communicate with the wire guide part 840 .

The hinge 800 may further include an additional wire outlet 841 . An additional wire outlet 841 may be formed on a side surface of the hinge body 110 . Specifically, the additional wire outlet 841 may be formed on one side of the hinge body 110 facing the rotation shaft 195 . The additional wire outlet 841 may also be formed to communicate with the wire guide part 840 .

The wire 400 is inserted into the wire inlet 150 to face upward in the rotation axis direction (X). The wire 400 inserted into the wire inlet 150 moves toward the inside of the cabinet 10 in a direction substantially perpendicular to the rotation axis direction (X). In other words, the wire 400 inserted into the wire inlet 150 moves toward the inside of the cabinet 10 along one surface of the second arm part 122 . After that, the wire 400 moves toward the rear of the washing machine 1 . In other words, the wire 400 moves toward the rear of the washing machine 1 along one surface of the first arm 121 . The wire 400 moving toward the rear of the washing machine 1 along one side of the first arm 121 may pass through the wire outlet 160 or the additional wire outlet 841 to be introduced into the cabinet 10 . . The hinge cover 170 may be detachably coupled to the wire guide part 840 after the wire 400 is inserted into the wire guide part 840 .

As shown in FIGS. 16 and 17 , the wire guide part 840 may be recessed in the first hinge arm 128 . Specifically, the wire guide part 840 may be recessed along at least a portion of the second surface 124 of the first hinge arm 128 .

18 is a view showing a coupling structure of a hinge according to a sixth embodiment in a washing machine according to an embodiment of the present invention. Hereinafter, descriptions overlapping with the hinge 100 according to the first embodiment and the hinge 800 according to the fifth embodiment will be omitted.

18 , the wire guide part 940 of the hinge 900 may be recessed in the second hinge arm 129 . Specifically, the wire guide part 940 may be recessed along at least a portion of the second surface 124 of the second hinge arm 129 .

In the above, specific embodiments have been shown and described. However, it is not limited only to the above-described embodiments, and those of ordinary skill in the art to which the invention pertains can make various changes without departing from the spirit of the invention described in the claims below. .

1: washing machine 2: display
3: light emitting part 10: cabinet
10a: through hole 11: front frame
12: top frame 13: side frame
15: drum 16: opening
17: door contact 18: detergent container
20: door 30: door glass
31: glass body 32: flange portion
33: guide part 40: glass holder
41: holder body 42: handle part
43: hinge coupling portion 44: receiving groove
44a: first receiving groove 44b: second receiving groove
45: coupling rib 50: door cover
60: cover plate 61: bent part
62: third receiving groove 70: control panel
71: display window 72: control panel
100,500,600,700,800,900: Hinge 110: Hinge body
111: fixing hole 112: one side
120: hinge arm 121: first arm part
122: second arm 123: first surface
124: second page 125: third page
126: fourth surface 127: coupling groove
128: first hinge arm 129: second hinge arm
130: protrusion 131: first protrusion
132: second protrusion 150: wire inlet
160: wire outlet 170: hinge cover
171: cover body 172: coupling rib
172a: first coupling rib 172b: second coupling rib
173: support rib 174: bent part
175: cutout 180: protrusion cover
190: fixing ring 200: first electrical equipment
300: second electrical equipment 400: wire
410: first wire 411: connector
420: second wire 421: connector
113: one side 841: additional wire outlet
195: rotation shaft 15a: dewatering hole
140,540,640,740,840,940: wire guide unit

Claims (5)

a cabinet having an opening in the front part;
a drum rotatably disposed inside the cabinet;
a door provided to open and close the opening;
a hinge for rotatably coupling the door to the cabinet; and
a wire extending from the inside of the cabinet to the door; and
The hinge is
a hinge body coupled to the cabinet;
a hinge arm extending from the hinge body;
a protrusion protruding from the hinge arm to form a rotation shaft of the door and having a cutout;
a wire guide portion provided to receive the wire along the protrusion and the hinge arm;
a hinge cover covering the wire guide part so that the wire accommodated in the wire guide part is not exposed; and
a fixing ring provided to surround one end of the protrusion and the hinge cover so as to couple the protrusion and one end of the hinge cover; washing machine including The method of claim 1,
a first electrical device disposed inside the cabinet; and
A second electrical device disposed on the door; further comprising,
The wire includes a first wire having one end connected to the first electrical component and a second wire having one end connected to the second electrical component,
a first connector connected to the other end of the first wire; and
The washing machine further comprising a; a second connector connected to the other end of the second wire. The method of claim 1,
The hinge arm is
a first arm extending from the hinge body toward the front of the washing machine; and
and a second arm that is bent from the first arm and extends toward the side of the washing machine.
The wire guide part extends along the first arm part and the second arm part. The method of claim 1,
The hinge further includes a wire inlet formed by coupling one end of the hinge cover to the cutout so as to communicate with the wire guide part. The method of claim 1,
The wire passes through the fixing ring.

Images