KR20230042261A - 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 cabinet provided with a first electrical component, forming an appearance, and having an opening through which a laundry is put; a door provided with a second electrical component and 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 can rotate about a rotating axis, and having a wire guide unit 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 to electrically connect electrical components.

In general, a washing machine is a device for washing laundry by rotating a cylindrical rotary tub containing laundry and washing water. Types of washing machines include a drum washing machine in which a rotating tub is placed horizontally and when the rotating tub rotates forward and backward with respect to a horizontal axis, laundry is lifted upward along the inner circumferential surface of the rotating tub and falls to wash laundry, and a pulsator inside There is a vertical axis washing machine in which a rotary tub having a vertical axis is arranged vertically to wash laundry using a water stream generated by a pulsator when the rotary tub rotates forward and backward with respect to a vertical axis.

A drum washing machine includes a cabinet forming an exterior, a cylindrical tub installed inside the cabinet and containing wash 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 in front of the cabinet. The cabinet is provided with an opening communicating with the drum, and the door can open and close the opening.

Generally, electrical components are 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 must 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 with electrical components inside a cabinet.

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

Another aspect of the present invention provides a washing machine having an improved structure so that electrical components inside a door and electrical components inside a cabinet can be electrically connected by allowing a wire to pass through a hinge assembly.

A washing machine according to the spirit of the present invention includes a first electrical appliance, a cabinet forming an exterior and having an opening through which laundry is put, a door provided with a second electrical appliance and opening and closing the opening, the first electrical appliance and the second electrical appliance. A wire electrically connecting electrical components and a hinge coupling the door to the cabinet so that the door can rotate around a rotating axis and having a wire guide for guiding the wire.

The second electrical appliance may be provided inside the door.

The door is rotatable about one rotation axis.

The wire guide part may be recessed in the hinge to allow the wire to 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 therein.

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 a rotation axis direction, 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 protruding from the at least one hinge arm in a rotational axis direction to form the rotational axis.

The at least one protrusion includes a first protrusion protruding upward from the at least one hinge arm in the direction of the rotation axis and a second protrusion protruding downward from the at least one hinge arm in the direction of the rotation axis, , 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 unit.

A through hole may be formed on 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 through which laundry is put in, a door provided to open and close the opening, a hinge that rotatably couples the door to the cabinet, and a wire passing through the hinge. , one end of the wire may include a wire positioned inside the door and another end of the wire positioned inside the cabinet.

A first electrical appliance is provided inside the cabinet, a second electrical appliance is provided inside the door, and the wire may electrically connect the first electrical appliance and the second electrical appliance.

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

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

The wire guide part may be continuously recessed 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 around one axis of rotation, and the hinge may further include at least one protrusion protruding from the at least one hinge arm in a direction of the axis of rotation to form the axis of rotation.

The at least one hinge arm includes a first arm part extending from the hinge body toward the front of the washing machine and a second arm part extending from the first arm part so as to be bent toward the outside of the washing machine, and the at least one protrusion part may 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 unit.

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 includes a cabinet having an opening through which laundry is put, a door provided with electrical components and provided to open and close the opening, a wire electrically connected to the electrical component, and coupling the door to the cabinet, It may include a hinge having a wire guide portion through which the wire passes.

The door is rotatable about one rotation axis.

In the process of connecting electrical components provided in the door and electrical components provided in the cabinet with wires, the wires pass through the hinge, thereby preventing the wires from being greatly 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 unit, it is possible to prevent foreign substances from entering the wire guide unit.

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

1 is an exemplary view showing 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 showing 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 showing a door of the washing machine according to an embodiment of the present invention in an open state;
4 is an exploded perspective view showing 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;
Figure 6 is a view of Figure 5 from another angle;
7 is an exploded perspective view showing a hinge according to a first embodiment in a washing machine according to an embodiment of the present invention;
8 is an exploded perspective view of the hinge according to the first embodiment in the washing machine according to one embodiment of the present invention from another angle in FIG.
9 is a view showing a hinge coupling structure according to a first embodiment in a washing machine according to an embodiment of the present invention;
10 is a diagram schematically illustrating a connection state of wires in a washing machine according to an embodiment of the present invention;
11 is a view schematically showing a connection state of wires 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 wires 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 hinge coupling structure according to a second embodiment in a washing machine according to an embodiment of the present invention;
14 is a view showing a hinge coupling structure according to a third embodiment in a washing machine according to an embodiment of the present invention;
15 is a view showing a hinge coupling structure according to a fourth embodiment in a washing machine according to an embodiment of the present invention;
16 is an exploded perspective view showing a hinge according to a fifth embodiment in a washing machine according to an embodiment of the present invention;
17 is a view showing a hinge coupling structure according to a fifth embodiment in a washing machine according to an embodiment of the present invention;
18 is a view showing a hinge coupling structure according to a sixth embodiment in a washing machine according to an embodiment of the present invention;

Hereinafter, a preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings. Meanwhile, the terms "front", "rear", "upper", "lower", "top", and "bottom" used in the following description are defined based on drawings, and by these terms, the shape and Location is not limited.

Electrical components refer to electrical/electronic components that are operated by receiving power. In addition, electrical equipment may be used as a meaning including a power supply device. The electrical component may include a first electrical component and a second electrical component, and a detailed description of the first electrical component and the second electrical component will be described later.

1 is an exemplary diagram 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 the user can easily select the function of the washing machine 1. In addition, the display 2 may display time, temperature, and the like for the convenience of the user. In addition, the display 2 may display pictures, photos, images, etc. in consideration of design factors. At least one of the display 2 and the control panel 70 may be provided in the washing machine 1 .

When the display 2 is provided on the door 20 of the washing machine 1 as shown in FIG. 1 , at least some of various electrical components required to operate the display 2 may be provided inside the door 20 . A circuit board that controls 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 , a light emitting unit 3 may be applied to the washing machine 1 . Specifically, the light emitting unit 3 may be provided on the door 20 of the washing machine 1 . As an example, the light emitting unit 3 may be provided along the edge of the door 20 . The washing machine 1 having a dynamic design can be realized by providing the light emitting unit 3 in the door 20 of the washing machine 1 .

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

In this way, various functions may be added to the door 20 of the washing machine 1 in consideration of user convenience or design aspects, and at least one of the electrical components for implementing such functions is 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 a 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 forming an exterior. The cabinet 10 includes a front frame 11 forming a front exterior of the washing machine 1, an upper frame 12 forming a top exterior of the washing machine 1, and a side frame forming a 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.

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

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 . Drum 15 may be cylindrical. An opening for entering and exiting laundry may be formed at the front of the drum 15 .

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.

A door contact portion 17 contacting the door 20 when the door 20 closes the opening 16 may be provided on the front frame 11 of the cabinet 10 . The door contact portion 17 may be recessed toward the inside of the washing machine 1 and may be formed along an 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, the appearance of the cabinet 10 can be improved by minimizing the protruding portion 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 . A water supply pipe may be installed above the tub to supply wash water into 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 container 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 via the detergent container 18.

The washing machine 1 may further include a driving motor (not shown). A driving motor may be provided behind 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 wash water inside the tub to the outside of the washing machine 1 . The drainage unit includes a drainage pump (not shown), a connection hose (not shown) connecting the tub and the drainage pump so that water inside the tub can flow into the drainage pump, and the water pumped by the drainage pump to the washing machine (1). It may include a drain hose (not shown) that guides to the outside of.

The washing machine 1 may further include a control panel 70 . The control panel 70 may be provided above the front frame 11 of the cabinet 10 . The control panel 70 may include a display window 71 displaying the operating state of the washing machine 1 and a manipulation unit 72 provided to enable a user to manipulate 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 can pivot 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 (see FIG. 10). The first electrical appliance 200 may be provided in the cabinet 10 . Preferably, the first electrical appliance 200 may be provided inside the cabinet 10 .

The first electrical component 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 states of a microcomputer, a water supply valve, a driving motor, and the like. In addition, the main printed circuit board can control the operating state of the second electronic device 300 . The sub printed circuit board may be disposed inside the control panel 70 . The sub printed circuit board can control the operating state of the display window 71 and the operation 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 can be variously changed. Hereinafter, as an example of the first electrical appliance 200, the main printed circuit board will be mainly described.

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

The washing machine 1 may further include a wire 400 (see FIG. 10). The wire 400 may connect the first electrical appliance 200 and the second electrical appliance 300 . Specifically, the wire 400 may electrically connect the first electrical appliance 200 and the second electrical appliance 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 portion of FIG. 4 . 6 is a view of 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 an embodiment of the present invention. FIG. 8 is an exploded perspective view of the hinge according to the first embodiment of the washing machine according to an embodiment of the present invention from a different angle in FIG. 7 , and FIG. 9 is a washing machine according to an embodiment of the present invention, It is a drawing showing the coupling structure of the hinge according to one embodiment. 4 to 6 show a 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 is coupled with a door glass 30 provided so that the user can check the inside of the drum 15 and the door glass 30, on one side thereof A glass holder 40 in which an accommodation groove 44 in which at least a portion of the hinge 100 is accommodated or coupled is formed, a door cover 50 covering the front surface of the glass holder 40, and the glass holder 40 and the door It is located between the covers 50 and includes a cover plate 60 covering the receiving grooves 44 and forming an accommodating portion (not shown) accommodating at least a portion of the hinge 100 together with the receiving grooves 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 whose front is opened, 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 a glass A guide part 33 formed obliquely at the rear of the body 31 and guiding wash water used in the washing process toward the drum 15 may be included.

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

The hinge coupling portion 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 It may include a coupling rib 45 to be.

The accommodating groove 44 includes a first accommodating groove 44a accommodating the second arm portion 122 of the hinge 100 in a state in which the door 20 closes the opening 16, and a protrusion of the hinge 100 ( 130) may include a second accommodating groove 44b. 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 can cross and communicate with the first accommodating groove 44a. there is. 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 formed long 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, as the coupling rib 45 protrudes from the front of the holder body 41 by a predetermined length, the rigidity of the hinge coupling portion 43 in which the load of the door 20 is concentrated while the door 20 rotates is reinforced. Therefore, the door 20 can be stably rotated without being hit or damaged.

The door cover 50 forms the exterior of the door 20 and may be coupled to the glass holder 40 to 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 of a plastic material that is lightweight and has a certain level of strength.

The cover plate 60 is provided in a shape corresponding to the coupling rib 45 and coupled to the hinge coupling part 43 in a direction parallel to the axial direction of the drum 15 . The cover plate 60 includes a plurality of bent portions 61 formed by bending an outer end thereof to cover the hinge coupling portion 43, and a hinge 100 in a state in which the door 20 closes the opening 16. A part of the second arm part 122 and the protrusion part 130 at a position 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 part 130 of ) It may include a third receiving groove 62 for accommodating.

The third accommodating groove 62 may form an accommodating portion (not shown) 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 portion 122 together with the first accommodating groove 44a so that the cover plate 60 does not interfere with the second arm portion 122, and the door 20 It is possible to accommodate or support the protrusion 130 together with the second receiving groove 44b so that the rotation shaft 195 can be rotated as a rotation center.

The hinge 100 may couple the door 20 to the cabinet 10 such that the door 20 is pivotable around 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 to the outside of the opening 16 .

The hinge body 110 may be provided as a plate extending substantially 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 surface 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 portion 121 extending from the hinge body 110 toward the front of the washing machine 1 . That is, the first arm portion 121 may extend a predetermined length from the front surface of the hinge body 110 .

At least one hinge arm 120 may further include a second arm portion 122 extending from the first arm portion 121 so as to be bent toward the outside of the washing machine 1 .

In another aspect, at least one hinge arm 120 may include a first surface 123 . The first surface 123 may face the cabinet 10 . Specifically, the first surface 123 may face the front 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 . At least one protrusion 130 may protrude from at least one hinge arm 120 in a rotating axis direction (X). At least one protrusion 130 may form a rotation shaft 195 .

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

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

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

The wire guide part 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 formed by recessing 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 unit 140 so that the wire 400 may be introduced into the wire guide unit 140 . The wire inlet 150 may be formed on at least one of the at least one protrusion 130 . That is, the wire inlet 150 may be formed on at least one of the first protrusion 131 and the second protrusion 132 . Preferably, the wire inlet 150 may be formed on 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 part 140 so that the wire 400 can be drawn out from the wire guide part 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 part of the exterior of the hinge 100 . In this way, by using the hinge cover 170 that can be detachably coupled to the wire guide unit 140, in the process of inserting the wire 400 into the wire guide unit 140, the hinge cover 170 is removed. It is possible to improve work efficiency by performing work with, and when the wire 400 is inserted into the wire guide part 140, the wire 400 is wired by coupling the hinge cover 170 to the wire guide part 140. It can be stably accommodated in the guide part 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, at least one coupling rib 172 is a first coupling rib 172a extending upward in the rotational axis direction (X) from the cover body 171 and in the rotational axis direction (X) from the cover body 171. A second coupling rib 172b extending downward may be included.

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 at least one coupling groove 127 . At least one coupling groove 127 may be formed on the same surface as one surface of at least one hinge arm 120 on which the wire guide part 140 is formed. As an example, when the wire guide part 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 of the at least one hinge arm 120. It may be formed on one side (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 . At least one support rib 173 may be engaged with one surface of at least one hinge arm 120 . At least one support rib 173 may include a bent portion 174 having a bent shape to couple the hinge cover 170 to the wire guide portion 140 . As an example, when the wire guide part 140 is formed on the first surface 123 of the at least one hinge arm 120, the at least one support rib 173 extends from the cover body 171 in the rotation axis direction (X ), and at this time, the bent part 174 can be engaged with the second surface 124 of the at least one hinge arm 120 . As another example, when the wire guide part 140 is formed on the first surface 123 of the at least one hinge arm 120, the at least one support rib 173 extends from the cover body 171 in the rotation axis direction ( X), and at this time, the bent part 174 can 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 part 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 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 to form a wire inlet with the at least one protrusion 130. (150) can be formed.

The other end of the hinge cover 170 may form part of the wire outlet 160 . In other words, the other end of the hinge cover 170 may form the 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 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 rotating shaft 195 from being worn or damaged.

The washing machine 1 may further include a fixing ring 190 coupled to 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 where 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 can be variously modified. The fixing ring 190 may cover at least one protrusion forming the wire inlet 150 and one end of the hinge cover 170 at the same time. 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. As shown in FIGS. 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 .

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

As shown in FIGS. 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 electrical components. 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 appliance 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 include the connector 411 provided at the other end of the first wire 410 and the connector 421 provided at one end of the second wire 420. can be connected to each other by a combination of 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 appliance 200 and the second electrical appliance 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 located inside the door 20 may be disposed along the circumferential direction of the door 20 .

A through hole 10a (see 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, on the front surface of the cabinet 10 . The wire 400 passing through the hinge 100 may pass through the through hole 10a and be introduced into the cabinet 10 .

The wire 400 connected to the second electrical appliance 300 reaches the hinge 100, and the wire 400 reaching the hinge 100 passes through the hinge 100 to the first electrical component provided inside the cabinet 10. It is connected to the electrical component 200. In other words, one end of the wire 400 may be connected to the second electrical appliance 300 and the other end of the wire 400 may pass through the hinge 100 and be connected to the first electrical appliance 200 . In this way, since the first electrical appliance 200 and the second electrical appliance 300 can 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 compromising the aesthetics of the

The wire 400 connected to the second electrical appliance 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 part 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, and enters the cabinet 10. pulled out inside The wire 400 drawn into the cabinet 10 is connected to the first electrical appliance 200 provided inside the cabinet 10 .

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

As shown in FIG. 13 , the wire guide part 540 of the hinge 500 according to the second embodiment may be formed on the second hinge arm 129 located 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 into the first surface 123 of the second hinge arm 129 .

14 is a view showing a hinge coupling structure according to a third embodiment in a washing machine according to an embodiment of the present invention. Hereinafter, descriptions overlapping with those of 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 so that the wire 400 may pass therethrough.

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 part 640 .

14 shows a case where the wire guide part 640 is formed on the first hinge arm 128, but the wire guide part 640 is 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 hinge coupling structure according to a fourth embodiment in a washing machine according to an embodiment of the present invention. Hereinafter, descriptions overlapping with those of 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 a hole shape to allow the wire 400 to pass therethrough.

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 shows a case where the wire guide part 740 is formed under the first hinge arm 128, but the wire guide part 740 is interposed between the first hinge arm 128 and the second hinge arm 129. It may be formed, or it may be formed on the upper part of the second hinge arm 129.

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

As shown in FIGS. 16 and 17 , the wire guide part 840 may be recessed into the hinge 800 so that the wire 400 may be inserted. Specifically, the wire guide part 840 may be recessed in 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 on 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 to form a 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 unit 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 the side of the hinge body 110 . Specifically, the additional wire outlet 841 may be formed on one side of the hinge body 110 toward the rotation shaft 195 . An 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 so as 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 direction X of the rotation axis. In other words, the wire 400 inserted into the wire inlet 150 moves toward the inside of the cabinet 10 along one side of the second arm 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 side of the first arm 121 . The wire 400 that moves toward the rear of the washing machine 1 along one side of the first arm 121 may be introduced into the cabinet 10 through the wire outlet 160 or the additional wire outlet 841. . The hinge cover 170 may be detachably coupled to the wire guide unit 840 after the wire 400 is inserted into the wire guide unit 840 .

As shown in FIGS. 16 and 17 , the wire guide part 840 may be recessed into 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 hinge coupling structure according to a sixth embodiment in a washing machine according to an embodiment of the present invention. Hereinafter, overlapping descriptions of the hinge 100 according to the first embodiment and the hinge 800 according to the fifth embodiment will be omitted.

As shown in FIG. 18 , the wire guide part 940 of the hinge 900 may be recessed into 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 illustrated and described. However, it is not limited to the above embodiments, and those skilled in the art will be able to make various changes without departing from the gist of the technical idea 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 box
20: door 30: door glass
31: glass body 32: flange portion
33: guide unit 40: glass holder
41: holder body 42: handle
43: hinge joint 44: receiving groove
44a: first receiving groove 44b: second receiving groove
45: coupling rib 50: door cover
60: cover plate 61: bent portion
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 portion
122: second arm part 123: first surface
124: 2nd side 125: 3rd side
126: fourth surface 127: coupling groove
128: first hinge arm 129: second hinge arm
130: protrusion 131: first protrusion
132: second projection 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: incision 180: protrusion cover
190: fixing ring 200: first electrical component
300: second electric appliance 400: wire
410: first wire 411: connector
420: second wire 421: connector
113: one side 841: additional wire outlet
195: rotating shaft 15a: dehydration
140,540,640,740,840,940: wire guide part

Claims (1)

a cabinet having an opening through which laundry is put, and a first electric appliance;
a door having a second electrical component and 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 can rotate around a rotating axis; including,
the hinge,
a first hinge arm;
a second hinge arm spaced apart from the first hinge arm in a direction of the rotation axis; and
a wire guide formed on a surface of the second hinge arm in the direction of the rotation axis to guide the wire; A washing machine comprising a.

Images