KR20160087583A - Washing machine - Google Patents

Abstract

A washing machine according to the present invention comprises: a cabinet which forms appearance; a door frame which is formed with an outer frame and an inner frame and opens and closes the cabinet; a door bracket which is fixated on the cabinet; a door pin which connects the door bracket with the door frame and forms the rotating center of the door frame; and a separation preventing rib which is arranged in any one side between the outer frame and the inner frame and supports the door pin by being arranged in the separation direction of the door pin. The washing machine according to the present invention is able to suppress the damage of a door as the separation preventing rib is formed to suppress the door pin from being separated from the door frame when a load is applied to the door.

Description

Washing machine

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a washing machine, and more particularly, to a washing machine capable of reducing deformation or damage to a load applied to a door.

Generally, a washing machine is a device for washing through washing, rinsing, dehydration, etc., so as to remove contamination from clothes, bedding, etc. (hereinafter referred to as "foam") by using water, detergent and mechanical action.

The washing machine is roughly divided into an agitator type, a pulsator type, and a drum type washing machine.

In the agitation type, the washing rods rising in the center of the washing tub are washed by rotating the washing rods to the left and right, and the swirl type washing is performed by using the frictional force of the water stream and the vagrant, Wash the drum with water, detergent and cloth.

The drum washing machine includes a tub having an inside of a cabinet forming an outer appearance, a tub accommodating washing water, a drum disposed inside the tub, a driving part for rotating the drum mounted on the back side of the tub, And a drive shaft connected to the back surface side of the drum is formed. The drum is equipped with a lifter inside the drum to rotate the drum.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a washing machine capable of firmly supporting a door when a vertical load is applied thereto.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a washing machine comprising: a cabinet forming an outer shape; A door frame which is composed of an outer frame and an inner frame and opens and closes the cabinet; A door bracket fixed to the cabinet; A door pin connecting the door bracket and the door frame and forming a rotation center of the door frame; And a detachment rib disposed on one of the outer frame and the inner frame and disposed in the detaching direction of the door pin to support the door pin.

According to another aspect of the present invention, there is provided a washing machine comprising: a cabinet forming an outer shape; A door frame which is composed of an outer frame and an inner frame and opens and closes the cabinet; A door bracket fixed to the cabinet; A door pin connecting the door bracket and the door frame and forming a rotation center of the door frame; An outer mounting part formed on the outer frame and having the door pin installed therein; An inner mounting portion formed on the inner frame and having the door pin installed therein; And a detachment rib which is disposed on either the outer mounting portion or the inner mounting portion and is disposed in the detaching direction of the door pin to support the door pin.

According to another aspect of the present invention, there is provided a washing machine comprising: a cabinet forming an outer shape; A door frame which is composed of an outer frame and an inner frame and opens and closes the cabinet; A door bracket fixed to the cabinet; A door pin connecting the door bracket and the door frame and forming a rotation center of the door frame; An outer mounting part formed on the outer frame and having the door pin installed therein; An inner mounting portion formed on the inner frame and having the door pin installed therein; And a detachment rib disposed in the outer mounting portion and the inner mounting portion, respectively, and disposed in the detaching direction of the door pin to support the door pin.

The details of other embodiments are included in the detailed description and drawings.

According to the washing machine and its control method of the present invention, one or more of the following effects can be obtained.

First, the washing machine according to the present invention has an advantage of preventing breakage of the door because the detachment preventing rib is formed to prevent the door pin from being separated from the door frame when a load is applied to the door.

Second, the washing machine according to the present invention is advantageous in that breakage of a door can be suppressed by only the detachment preventing rib protruding from the outer frame to the inner frame.

Thirdly, the washing machine according to the present invention is advantageous in that the detachment prevention rib can be effectively prevented from being collapsed because the detachable ribs are disposed in the direction of detachment of the door pin.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view showing a washing machine according to a first embodiment of the present invention.
2 is a cross-sectional view of a part of the washing machine shown in FIG.
Fig. 3 is a perspective view showing an engaging portion of the door and the cabinet shown in Fig. 1. Fig.
Fig. 4 is a right side view of Fig. 3; Fig.
5 is a rear view of the outer frame of the door shown in Fig.
6 is an enlarged perspective view of A shown in Fig.
7 is a front view of the inner frame of the door shown in Fig.
8 is an enlarged perspective view of B shown in Fig.
9 is a cross-sectional view taken along the line CC shown in Fig.
10 is a graph of a strength of a door according to the first embodiment of the present invention.
11 is a sectional view of a door showing a detachment prevention rib according to a second embodiment of the present invention.
12 is a sectional view of a door showing a detachment prevention rib according to a third embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, the present invention will be described with reference to the drawings for explaining a washing machine and its control method according to embodiments of the present invention.

FIG. 1 is a perspective view of a washing machine according to an embodiment of the present invention, and FIG. 2 is a partial cross-sectional view of the washing machine shown in FIG. 1. Referring to FIG.

A washing machine 100 according to an embodiment of the present invention includes a cabinet 10 for forming an outer appearance, a tub 20 for receiving washing water, a tub 20 disposed in the tub 20, A water supply unit (not shown) for supplying the washing water from the external water source to the tub 20, and a water supply unit A spray nozzle 50 for spraying the washing water into the drum 30, a detergent box 50 for containing the washing detergent and mixing the washing water with the washing detergent, And a circulation nozzle (not shown) for spraying the washing water circulated by the pump 60 into the drum.

The cabinet 10 forms an appearance of the washing machine 100. A tub 20 is provided in the cabinet 10. The cabinet 10 is formed with a bag entrance / exit hole 21 so that the bag can be taken in and out. A door (90) is rotatably provided on a front surface of the cabinet (10) so as to be able to open and close the blind hole (21). The cabinet 10 is provided with a control panel 70 for receiving commands from a user and displaying various status information of the washing machine 100. The cabinet 10 is provided with a detergent box 50 for detachably receiving a detergent such as laundry detergent, rinsing detergent or bleach.

A suspension such as a spring unit (not shown) and a damper (not shown) is installed between the tub 20 and the cabinet 10 and the vibration of the tub 20 is transmitted to the cabinet 10 by the suspension Buffer.

The washing water is received in the tub 20.

In the tub 20, a drum 30 is disposed.

The tub 20 may be provided with a water level sensor (not shown) for sensing the level of the washing water contained in the tub. The water level sensor can be implemented in various ways. In this embodiment, the interval between the electrodes is changed by using the air pressure which changes according to the washing water level, and the water level is measured by the amount of capacitance change of the electrode. A heater (not shown) for heating the washing water may be provided in the tub 20.

The drum 30 receives the pod and rotates. The drum 30 is formed with a plurality of drum holes 33 to allow wash water to pass therethrough. On the inner wall of the drum 30, a lifter 32 for lifting the drum 30 at a predetermined height may be disposed. The drum 30 receives the rotational force by the driving unit 40 and rotates.

The drum 30 may be arranged to have a predetermined inclination such that the rear portion of the drum 30 is lower than the inlet.

The gasket 23 is provided between the tub 20 and the cabinet 10 to seal the tub 20 and the cabinet 10. The gasket (23) is disposed between the inlet of the tub (20) and the inlet / outlet hole (21). The gasket 23 alleviates an impact transmitted to the door 90 when the drum 30 is rotated and prevents the wash water in the tub 20 from leaking into the cabinet.

The gasket 23 may be integrally formed of one material. However, in order to secure the fastening strength with the tub 20 and sufficient rigidity, the gasket 23 is formed of a rigid material. The portion to be coupled with the cabinet 10 may be made of a material having elasticity to mitigate the vibration transmitted from the tub 20 to the cabinet 10.

The gasket 23 is provided with a spray nozzle 51, a steam nozzle (not shown) and a circulation nozzle (not shown).

The spray nozzles 51 spray wash water supplied from an external water source.

The steam generated in the heater is injected into the steam nozzle.

The washing water stored in the tub 20 is sprayed to the circulation nozzle. The pump 60 supplies the washing water in the tub 20 to the circulation nozzle.

The driving unit 40 rotates the drum 30. The driving unit 40 can rotate the drum 30 at various rotational speeds or directions. The driving unit 40 may include a motor, a switching element for controlling the motor, a clutch, and the like. The driving unit 40 may include a sensor for measuring an actual rotational speed of the drum 30. [

The detergent box 50 receives a detergent such as laundry detergent, rinse detergent or bleach. The detergent box 50 is preferably detachably provided on the front surface of the cabinet 10. The detergent in the detergent box (50) is mixed with the washing water when the washing water is supplied and flows into the tub (20). The detergent box 50 may be formed by dividing a portion where the laundry detergent is received, a portion where the rinsing detergent is received, and a portion where the bleach is received.

The control panel 70 is provided with an input unit 71 for inputting various operation commands such as a selection of a washing course through a user and an operation time and a reservation for each stroke, and a display unit 72 for displaying an operating state of the washing machine 100 .

3 is a right side view of the door of FIG. 3, FIG. 5 is a rear view of the outer frame of the door shown in FIG. 3, and FIG. 6 is a side view of the door 7 is an enlarged perspective view of the inner frame of the door shown in Fig. 3, Fig. 8 is an enlarged perspective view of B shown in Fig. 7, and Fig. 9 is an enlarged perspective view of the inner frame of the door shown in Fig. Fig.

The door 90 includes a door frame 91 and a door window 93 which is disposed inside the door frame 91 and is made of a transparent material and can penetrate the inside of the tub 30, And a door pin 98 connecting the door bracket 96 and the door frame 91 and forming the center of rotation of the door frame 91. The door bracket 96 is fixed to the door frame 91,

The door frame 91 includes an outer frame 92 positioned at the front side of the washing machine and an inner frame 94 coupled to the outer frame 92 and positioned at the rear side of the outer frame 92 .

The door pin 98 is fixed to the door bracket 96 and is disposed in a vertical direction.

The door 90 is horizontally rotated about the door pin 98.

Two door pins 98 are arranged on the door bracket 96 and are arranged vertically.

The door pin 98 is sandwiched between the outer frame 92 and the inner frame 94.

The outer frame 92 and the inner frame 94 are provided with mounting portions 110 and 120 in which the door pins 98 are installed.

The outer frame 92 is formed of ABS material in the present embodiment, and the inner frame 94 is formed of a PC material.

It is preferable that the outer frame 92 is made of a harder material than the inner frame 94 because the outer frame 92 is disposed outside and impact is more likely to occur.

An installation portion provided on the outer frame 92 is defined as an outer installation portion 110 and an installation portion provided on the inner frame 94 is defined as an inner installation portion 120.

The outer mounting part 110 is formed of a plurality of ribs integrally formed with the outer frame 92 and the inner mounting part 120 is also formed of a plurality of ribs integrally formed with the inner frame 94 do.

The outer mounting part 110 includes a vertical supporting rib 112 which contacts an upper end or lower end of the door pin 98 and supports an upper end or a lower end of the door pin 98, The door pin 98 is formed on the outer circumferential support rib 114 to support the outer mounting portion 110 of the door 90 when the door 90 is vertically loaded, And a detachment preventing rib 130 for preventing detachment from the inner mounting portion 120.

The vertical support ribs 112 may be positioned above or below the door pins 98.

Therefore, the vertical supporting ribs 112 may be formed in a horizontal direction, and vertical reinforcing ribs 113 projecting downward or upward from the vertical supporting ribs 112 may be further formed.

The circumferential support rib 114 is formed with a concave door pin groove 111 to surround the outer circumferential surface of the door pin 98.

A plurality of the circumferential support ribs 114 are formed in the longitudinal direction of the door pin 98 in the present embodiment, and may be formed as one rib unlike the present embodiment.

And a circumferential reinforcing rib 115 connecting the circumferential support ribs 114 may be formed.

In this embodiment, the separation preventing ribs 130 are formed on the circumferential support ribs 114.

The detachment rib 130 is formed in the cabinet 10 with respect to the door pin 98.

The separation preventing rib 130 is formed by connecting a plurality of circumferential support ribs 114 and is formed in the longitudinal direction of the door pin 98.

The detachment rib 130 protrudes toward the inner side of the inner frame 94.

Therefore, the separation preventing rib 130 has a region overlapping with the inner frame 94 when viewed from the flat end surface of the door pin 98.

Particularly, the outer frame 92 formed with the separation preventing ribs 130 is formed to cover more than half of the circumferential surface of the door pin 98.

For this purpose, the inner mounting portion 120 is formed with a separation preventing groove 140 so that the separation preventing rib 130 can be inserted inward.

The inner mounting portion 120 is formed in a shape corresponding to the outer mounting portion 110.

Therefore, the inner mounting portion 120 is formed with the vertical supporting ribs 122, the circumferential supporting ribs 124, and the door pin grooves 121. A vertical reinforcing rib 123 is formed to reinforce the rigidity of the vertical supporting rib 122 and a circumferential reinforcing rib 125 is formed to reinforce the rigidity of the circumferential supporting rib 124.

The separation preventing groove 140 is formed at a position facing the separation preventing rib 130. In the present embodiment, the height of the circumferential support ribs 124 and the circumferential reinforcing ribs 125 is reduced to form the separation preventing grooves 140.

When the outer frame 92 and the inner frame 94 are coupled, the outer mounting part 110 and the inner mounting part 120 are engaged with each other.

Therefore, the outer mounting part 110 is formed with the locking groove 117 and the inner mounting part 120 is formed with the locking protrusion 127. Unlike the present embodiment, the latching groove and the latching portion may be formed at positions opposite to each other.

In the present embodiment, the separation preventing ribs 130 and the separation preventing grooves 140 are disposed in consideration of the load applied to the door 90.

For example, when the child pushes the door 90, breakage of the door 90 is frequently caused. Therefore, the separation preventing rib 130 is separated from the door 90 in consideration of the load applied from the upper side to the lower side of the door 90 Preventing grooves 140 may be disposed.

The door pin 98 is disposed on the upper side and the lower side of the door pin 98. In view of the moment due to the load, the upper side door pin 98 is provided with the separation preventing ribs 130, (140).

The lower door pin 98 is provided with a detachment prevention rib 130 and a detachment prevention groove 140 on the front side of the washing machine.

The separation preventing ribs 130 and the separation preventing grooves 140 may be disposed on the same side, unlike the present embodiment.

That is, when a load is applied in the vertical direction of the door 90, most of the breakage occurs in the upper door pin 98, so that the separation preventing ribs 130 and the separation preventing grooves 140 are all disposed in the cabinet 10 As shown in Fig.

Particularly, in this embodiment, the separation preventing ribs 130 are formed on the outer frame 92 having high strength of material, thereby suppressing the collapse of the door pins 98 through the separation preventing ribs 130.

Referring to FIG. 10, when the separation preventing rib 130 according to the present embodiment is formed, it can be seen that the strength is increased from 12 kgf to 32 kgf as shown in the graph.

11, the separation preventing ribs 130 may be formed on the inner frame 94 and the separation preventing grooves 140 may be formed on the outer frame 92. Referring to FIG.

In this case, the thickness, the length, and the like of the separation preventing rib 130 should be reinforced as compared with the first embodiment in consideration of the strength of the material.

12 is a sectional view of a door showing a detachment prevention rib according to a third embodiment of the present invention.

In the present embodiment, the outer frame 92 and the inner frame 94 are provided with the separation preventing ribs 130 and 230 and the separation preventing ribs 130 and 230 are disposed to overlap with each other.

Each of the separation preventing ribs 130 and 230 is disposed to overlap the moving direction of the door pin 98.

Therefore, when the vertical load is applied to the door 90, movement of the door pin 98 is suppressed through the overlapping each of the separation preventing ribs 130 and 230, and the compressive stress applied from the door pin 98 Lt; / RTI >

Here, the separation preventing ribs 130 and 230 are staggered from each other.

Each of the separation preventing ribs 130 and 230 is disposed to be inserted into the opposite frame.

The door 90 according to the present embodiment has the effect of further improving the strength since each of the separation preventing ribs 130 and 230 is disposed alternately and overlapped.

Since the remaining configuration is the same as that of the first embodiment, the detailed description will be omitted.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It should be understood that various modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

10: cabinet 20: tub
30: drum 40:
50: detergent box 60: pump
70: Control panel 90: Door
91: door frame 92: outer frame
93: door window 94: inner frame
96: Door bracket 98: Door pin
100: Washing machine 110: Outer mounting part
111: Door pin groove 112: Vertical support rib
113: vertical reinforcing ribs 114: circumferential supporting ribs
115: circumferential reinforcing rib 117: engaging groove
120: Inner mounting portion 121: Door pin groove
122: vertical support rib 123: vertical reinforcement rib
124: circumferential supporting rib 125: circumferential reinforcing rib
127:

Claims (19)

A cabinet forming an outer shape;
A door frame which is composed of an outer frame and an inner frame and opens and closes the cabinet;
A door bracket fixed to the cabinet;
A door pin connecting the door bracket and the door frame and forming a rotation center of the door frame;
And a detachment rib disposed on one of the outer frame and the inner frame, the detachment rib being disposed in the detaching direction of the door pin to support the door pin. The method according to claim 1,
And the detachment rib is located on the cabinet side with respect to the door pin. The method according to claim 1,
And the separation preventing rib is protruded to the other of the outer frame or the inner frame. The method according to claim 1,
And the detachment rib is overlapped with the other one of the outer frame and the inner frame. The method according to claim 1,
Wherein at least one of the outer frame and the inner frame having the detachment rib is formed to surround at least half of the circumferential surface of the door pin. The method according to claim 1,
Wherein the outer frame is formed with an outer mounting portion on which the door pin is installed, the inner pin is provided with the door pin, the inner mounting portion is disposed opposite to the outer mounting portion,
And the separation preventing rib is formed in the outer mounting portion and protrudes toward the inner mounting portion. The method according to claim 6,
And the detachment rib is located on the cabinet side with respect to the door pin. The method according to claim 6,
And a detachment preventing groove into which the detachment preventing rib is inserted is formed in the inner mounting portion. The method according to claim 1,
Wherein the outer frame is formed with an outer mounting portion on which the door pin is installed, the inner pin is provided with the door pin, the inner mounting portion is disposed opposite to the outer mounting portion,
And the separation preventing rib is formed in the inner mounting portion and protrudes toward the outer mounting portion. 10. The method of claim 9,
And a detachment preventing groove into which the detachment preventing rib is inserted is formed in the outer mounting portion. A cabinet forming an outer shape;
A door frame which is composed of an outer frame and an inner frame and opens and closes the cabinet;
A door bracket fixed to the cabinet;
A door pin connecting the door bracket and the door frame and forming a rotation center of the door frame;
An outer mounting part formed on the outer frame and having the door pin installed therein;
An inner mounting portion formed on the inner frame and having the door pin installed therein; And
And a detachment prevention rib disposed at one of the outer mounting portion and the inner mounting portion and disposed in the detaching direction of the door pin to support the door pin. 12. The method of claim 11,
Wherein the outer mounting portion includes:
A vertical support rib supporting an upper end or a lower end of the door pin;
A circumferential support rib supporting an outer surface of the door pin;
A door pin groove formed in the circumferential support rib and surrounding an outer peripheral surface of the door pin; And
And the separation preventing ribs formed on the circumferential support ribs. 13. The method of claim 12,
And the inner mounting portion includes a detachment prevention groove into which the detachment prevention rib is inserted. 12. The method of claim 11,
Wherein the inner-
A vertical support rib supporting an upper end or a lower end of the door pin;
A circumferential support rib supporting an outer surface of the door pin;
A door pin groove formed in the circumferential support rib and surrounding an outer peripheral surface of the door pin; And
And the separation preventing ribs formed on the circumferential support ribs. 15. The method of claim 14,
And the outer mounting portion includes a detachment prevention groove into which the detachment prevention rib is inserted. A cabinet forming an outer shape;
A door frame which is composed of an outer frame and an inner frame and opens and closes the cabinet;
A door bracket fixed to the cabinet;
A door pin connecting the door bracket and the door frame and forming a rotation center of the door frame;
An outer mounting part formed on the outer frame and having the door pin installed therein;
An inner mounting portion formed on the inner frame and having the door pin installed therein; And
And a detachment rib disposed in the outer mounting part and the inner mounting part, respectively, and disposed in the direction of detaching the door pin to support the door pin. 17. The method of claim 16,
And the respective separation preventing ribs are disposed to overlap with each other in the separating direction of the door pin. 17. The method of claim 16,
And each of the separation preventing ribs is offset from each other with respect to a separating direction of the door pin. 17. The method of claim 16,
Wherein the detachment ribs formed on the outer mounting portion are in contact with the door pin, protrude into the inner frame, are inserted into the inner frame,
Wherein the detachment preventing ribs formed on the inner mounting portion are disposed to support the detachment preventing ribs formed on the outer mounting portion.

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