KR101586311B1 - Drum washing machine - Google Patents

Abstract

A drum washing machine according to the present invention includes: a cabinet having a base plate; A tub fixedly supported on the inside of the cabinet; A drum located inside the tub and receiving the laundry; A rotating shaft connected to a rear surface of the drum; A bearing housing assembly for supporting the rotation shaft; A buffer support member connected between the bearing housing assembly and the base plate; And fixing means for releasably securing the bearing housing assembly to the cabinet.

Drum washing machine, cabinet, tub, drum, carrying, fixing means

Description

[0001] DRUM WASHING MACHINE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a drum type washing machine, and more particularly, to a drum type washing machine having improved tub and drum fixing structure for a cabinet for carrying a washing machine while increasing the capacity of the washing machine.

Generally, the washing machine is an apparatus for washing laundry by washing, rinsing, and dewatering so as to remove contaminants from the laundry contained in the drum by using the action of washing water and detergent supplied into the tub.

In the washing process of the washing machine, the amount of clothes put on the drum is firstly measured, and the quantity and total washing time of the washing water and the detergent are set according to the measured laundry amount, A washing process is performed to separate the water and the laundry when the laundry is rubbed.

When the washing cycle is completed, the turbid washing water in the tub is discharged and new washing water is supplied to the tub, and a rinse cycle is performed to rinse the laundry for a predetermined number of times. When the rinsing operation is completed, the water in the tub is discharged and the drum is rotated at a high speed to perform a dewatering process for removing the water of the laundry by centrifugal separation. After completion of dewatering, the laundry may be further dried through the drying process.

However, in a conventional washing machine, vibrations generated in a driving portion such as a drum or a motor are directly transmitted to the turbine during operation. In order to prevent the vibrating tub from interfering with the cabinet, the tub must be spaced apart from the cabinet.

In this case, when the capacity of the washing machine is increased, the cabinet is enlarged due to the enlargement of the tub, thereby causing a problem that the installation space becomes large. Therefore, the improvement of the parts in the washing machine and the fastening structure thereof according to the size of the cabinet A need has arisen.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a drum washing machine with improved tub and drum fixing structure for a cabinet for carrying a washing machine while increasing the capacity of the washing machine.

According to an aspect of the present invention, there is provided a drum type washing machine comprising: a cabinet having a base plate; A tub fixedly supported on the inside of the cabinet; A drum located inside the tub and receiving the laundry; A rotating shaft connected to a rear surface of the drum; A bearing housing assembly for supporting the rotation shaft; A buffer support member connected between the bearing housing assembly and the base plate; And fixing means for releasably securing the bearing housing assembly to the cabinet.

At this time, it is preferable that at least two fixing means are provided.

Here, the bearing housing assembly may include: a bearing housing supporting the rotation shaft; And a first bracket and a second bracket that are respectively connected to both lower portions of the bearing housing.

Preferably, the fixing means includes a first fixing member and a second fixing member for fixing the first and second brackets to the cabinet, respectively.

At this time, the first bracket includes a first fixing unit weight connected to a lower side of the bearing housing; And a first supporting member bracket connected to the first fixing unit weight and extending forward, and the second bracket includes a second fixing unit weight connected to the other side of the lower portion of the bearing housing; And a second supporting member bracket connected to the second fixing unit weight and extending forward, wherein the first fixing member fixes the first fixing unit weight to the cabinet, and the second fixing member fixes the first fixing unit weight to the cabinet, And the second fixing unit weight is fixed to the cabinet.

The fixing means may further include a third fixing member fixing the upper portion of the bearing housing to the cabinet.

Here, it is preferable that the bearing housing includes an upwardly extending extension, and the third fixing member fixes the extension to the cabinet.

The drum type washing machine according to the present invention improves the fixing structure of the tub and the drum with respect to the cabinet for carrying the washing machine while increasing the capacity of the washing machine so that the transportation of the washing machine can be safely performed.

FIG. 1 is a schematic perspective view of a drum type washing machine according to a preferred embodiment of the present invention, and FIG. 2 is a side sectional view of the drum type washing machine of FIG. 1.

Referring to the drawings, the drum washing machine of the present invention includes a cabinet 110 forming an outer appearance, a tub 120 installed inside the cabinet 110 to store wash water, and a tub 120 disposed inside the tub 120 And a drum 130 for receiving the laundry.

The cabinet 110 includes a front plate 113 forming a front surface and a base plate 112 forming a bottom surface. In addition, the cabinet 110 includes a rear plate 114, a side plate 115, and a top plate that form a rear surface, both side surfaces, and an upper surface, respectively.

At this time, the front plate 113 is disposed on the front surface of the cabinet 110 facing the user, and a loading port is provided so that the laundry can be input. Here, the loading port is installed to be rotatable in the cabinet 110 And is opened / closed by the door 117.

The base plate 112 is disposed on the lower surface of the cabinet 110 so that other components in the cabinet 110 are seated and installed.

In addition, the base plate 112 is preferably made of a metal plate to securely support the tub 120 and the drum 130 upward.

That is, the base plate 112 is fixedly supported by the tub supporting member 121 formed on the upper surface of the base plate 112, and the drum 130 is also supported by the buffer supporting member 121, It is preferable that it is made of a metal plate having a high supporting force.

In other words, the tub 120 is seated and fixed to the base plate 112 by the tub supporting member 121, and the drum 130 is also coupled to the base plate 112 by the buffer support member, The tub 112 receives the loads of the tub 120 and the drum 130 in a concentrated manner. Therefore, it is preferable that the base plate 112 is made of a metal plate having a high supporting force against the load.

The tub 120 is located inside the cabinet 110 and is fixedly supported by a tub supporting member 121 connected to the bass plate 112 of the cabinet 110.

The tub 120 has a front opening through which laundry is introduced into the front surface and a circular rear opening in the rear surface.

The front opening portion is provided with a front gasket 122 along the rim and the rear opening portion is provided with a tub back wall 160 and a rear gasket 124 to be described later.

In addition, the tub supporting member 121 is configured so that the tub 120 is seated on the base plate 112 and is firmly fixed.

That is, the tub supporting member 121 is formed on the upper surface of the base plate 112 and protrudes upward from the base plate 112 by a predetermined distance. In order to uniformly distribute the load of the tub 120, It is desirable to have four support points spaced apart.

Since the drum 130 is installed on the base plate 112 of the cabinet 110 and is not installed directly on the tub 120 as described above, the tub 120 does not directly receive the vibration of the drum 130 .

As a result, the outer surface of the tub 120 can be installed as close as possible to the cabinet 110, thereby increasing the volume of the tub 120 and increasing the size of the drum 130 accommodated by the tub 120, You can increase your ability.

A water supply hose provided on the water supply hose to control water flow into and out of the tub 120; a water supply valve provided on the water supply hose to supply water through the water supply hose; A detergent supply device is installed in which the detergent is introduced into the tub 120 together with the detergent.

A drain hose and a drain pump are installed on the lower side of the tub 120 to discharge wash water used for washing and rinsing to the outside.

The drum 130 is provided with a lift 131 for raising the laundry introduced into the drum 130 to a predetermined position on the inner circumferential surface of the drum 130. The drum 130 has a through hole 132 Is formed.

The motor 151 mounted on the rear side of the tub 120 or the rear side of the bearing housing 170 is coupled with the drum 130 via the rotary shaft 150 to rotate the drum 130.

The rotary shaft 150 is connected to the rear surface of the drum 130 to interlock the drum 130 and is supported by the bearing housing 170 while passing through the center of the rear bearing housing 170.

Of course, the bearing housing 170 has bearings therein so as to be rotatable while horizontally supporting the rotary shaft 150.

The bearing housing 170 is fixed to the tub back wall 160 rearwardly to form a rear portion of the tub 120.

The tub back broom 160 is configured to form a rear portion of the tub 120.

The tub back wall 160 is formed in a circular shape corresponding to the circular rear opening of the tub 120 because the tub back wall 160 is configured to form the rear portion of the tub 120 in front of the bearing housing 170.

The tub backstroke 160 rotatably passes through the center of rotation of the rotary shaft 150 and fixes the rear bearing housing 170 to support the rotary shaft 150 connected to the drum 130.

The tub backbone 160 is connected to the tub 120 by a flexible rear gasket 124 installed along the outer periphery of the rear opening of the tub 120. [

3, the present invention further includes buffer supporting means connected to the base plate 112 to cushion and support the bearing housing 170, thereby buffering and supporting the drum 130 as a result.

The buffer support means includes a lower bracket portion fixed to the bearing housing 170 and a plurality of buffer support members respectively fastened to the bearing housing 170 and the bracket portion.

At this time, the bracket portion is coupled to both lower portions of the lower portion of the bearing housing 170, and includes a first bracket 182 and a second bracket 184 extending forward.

The first and second brackets have first and second stationary weights 182a and 184a and first and second support member brackets 182b and 184b.

Here, the first and second fixing portions 182a and 184a are fixedly mounted on the lower both sides of the lower portion of the bearing housing 170, and are vertically disposed with a predetermined distance therebetween.

The first and second supporting member brackets 182b and 184b are connected to the lower ends of the first and second fixing unit weights 182a and 184a and extend forward by a predetermined length.

The buffer support member provided on the base plate 112 is installed on the first and second support member brackets 182b and 184b so as to support the first and second support member brackets 182b and 184b upward.

That is, a first buffer support member 186a is vertically installed and fixed to the front end portion of the first and second support member brackets 182b and 184b, and a second buffer support member 186b is fixed to the rear portion thereof at a predetermined angle forward Tilt is installed and fixed.

A third buffer support member 186c vertically upwardly installed from the base plate 112 is fixed to the lower center portion of the bearing housing 170.

Of course, such buffer support members are to be understood as not being limited by the present invention, and any conventional buffer support member is applicable as long as it can absorb and absorb shock and vibration in a structure such as a washing machine.

The cushioning support means constructed as described above cushion the assembly including the drum 130, the rotary shaft 150 and the bearing housing 170 so that the vibrations generated from the drum 130 and the motor 151 during operation of the washing machine .

Here, the bearing housing assembly refers to the bearing housing 170 and the first and second brackets 182 and 184.

On the other hand, these bearing housing assemblies are releasably fixed to the cabinet 110 by fastening means, as shown in Figs. 4-7.

There is a high risk that the drum 130, which is supported by the buffer support means, flows into the tub 120 fixed to the cabinet 110 during transportation such as delivery and delivery.

That is, while the tub 120 is fixed to the cabinet 110, the drum 130 is configured to be able to flow within a certain range as it is supported by the buffer support means having the buffer support member. The drum 130 hits the inner surface of the tub 120.

In order to prevent damage to parts caused by the drum 130 colliding with the tub 120 due to the flow of the drum 130 during transportation and thus prevent a safety accident, 130).

At this time, the fixing means is configured to be selectively releasable to fix the drum 130 to the cabinet 110 only at the time of transportation.

In addition, it is preferable that at least two fixing means are provided.

That is, it is preferable that the fixing means fixes the drum 130 to the cabinet 110 at least at one or more points in order to securely support the drum 130 with respect to the cabinet 110 so that the drum 130 does not flow.

The fixing means includes first and second fixing members 191 and 192 for fixing the first and second brackets respectively to the cabinet 110 and a third fixing member 193 for fixing the bearing housing connected to the drum 130. [ (193).

Of course, the cabinet 110 to which the first and second brackets 182 and 184 and the bearing housing 170 are fixed by the fixing means is the rear plate 114 disposed on the rear side of the drum 130.

First and second fixing members 191 and 192 fix the first and second brackets 182 and 184 to the cabinet 110, respectively.

Since the first and second brackets 182 and 184 are coupled to the lower both sides of the lower portion of the bearing housing 170, the right and left weights of the drum 130 relative to the cabinet 110 are balanced, .

The first fixing member 191 fixes the first fixing unit weight 182a of the first bracket 182 to the cabinet 110 and the second fixing member 192 fixes the first fixing unit 182a of the second bracket 184 to the cabinet 110. In this case, 2 fixing stationary weight 184a is fixed to the cabinet 110. [

Alternatively, the first and second fixing members 191 and 192 may fix the lower both sides of the bearing housing 170 to the cabinet 110 or may fix the first and second support member brackets 182b and 184b to the cabinet 110).

In addition, if the first and second fixing members 191 and 192 fix the lower portion of the bearing housing assembly to the cabinet 110, it is not limited to which part of the lower portion of the bearing housing assembly is fixed to the cabinet 110 Do not.

The third fixing member 193 fixes the upper part of the bearing housing 170 to the cabinet 110 and fixes the upper point of the bearing housing 170 located on the upper side in the axial direction of the rotary shaft to the cabinet 110 .

Thus, the left and right weights of the points fixed by the third fixing member 193 are balanced, whereby the washing machine is stably transported.

The bearing housing 170 has an extension portion 170a extending upward to easily mount the third fixing member 193 and the third fixing member 193 has an extension portion 170a of the bearing housing 170 The cabinet 110 and the bearing housing 170 can be firmly fixed to each other.

The first, second, and third fixing members may be used together to fix the drum 130 to the cabinet 110. Alternatively, only the first and second fixing members 191 and 192 may be utilized , Only the third fixing member 193 can be utilized.

Here, the fixing member is a bolt member having an external thread and, of course, a hole or groove is formed in a certain portion of the cabinet 110 and the bearing housing assembly so as to correspond to the bolt member.

It should be understood that such a fastening member is not limited to the present invention and any conventional fastening member is applicable as long as it is a fastening member capable of selectively coupling the cabinet 110 and the bearing housing assembly.

The present invention configured as described above is characterized in that the third fixing member 193 of the fixing means fixes the upper portion of the bearing housing assembly and the first and second fixing members fix the lower portion of the bearing housing assembly, The drum 130 is firmly fixed to allow safe transportation.

Thus, damage to the drum 130 and the tub 120 can be prevented, and the risk of safety accidents can be reduced. In addition, since the flow of the internal components of the washing machine is minimized, workers can safely and easily carry the washing machine.

According to the present invention configured as described above, since the tub 120 is fixed to the cabinet 110, the tub 120 can be enlarged to increase the capacity of the washing machine, It is possible to meet the need for improvement of the fastening structure of the parts to the washing machine.

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. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

1 is a schematic perspective view of a drum washing machine according to a preferred embodiment of the present invention.

2 is a side cross-sectional view of the drum washing machine of FIG.

3 is a perspective view showing a buffer support means of the drum washing machine of FIG.

FIG. 4 and FIG. 5 are views showing fixing means and corresponding bearing housing assemblies respectively installed at left and right rear portions of the drum washing machine of FIG. 1;

FIGS. 6 and 7 are views showing fixing means provided on the upper side of the rear portion of the drum type washing machine of FIGS. 4 and 5 and corresponding bearing housings.

DESCRIPTION OF THE REFERENCE SYMBOLS

110: cabinet 120: tub

130: drum 191: first fixing member

192: second fixing member 193: third fixing member

Claims (7)

A cabinet having a base plate; A tub fixedly supported on the inside of the cabinet; A drum located inside the tub and receiving the laundry; A rotating shaft connected to a rear surface of the drum; A bearing housing assembly for supporting the rotation shaft; A buffer support member connected between the bearing housing assembly and the base plate; Fixing means for fixing the drum to the cabinet; And Wherein the securing means releasably secures the bearing housing assembly to the cabinet to prevent vibration of the drum. The method according to claim 1, Wherein at least two fixing means are provided. The method according to claim 1, The bearing housing assembly includes: A bearing housing for supporting the rotation shaft; And And a first bracket and a second bracket connected to both lower portions of the lower portion of the bearing housing. The method of claim 3, Wherein the fixing means includes a first fixing member and a second fixing member for fixing the first and second brackets to the cabinet, respectively. 5. The method of claim 4, The first bracket A first fixing unit weight connected to a lower side of the bearing housing; And a first supporting member bracket connected to the first fixing unit weight and extending forward, The second bracket A second fixing unit weight connected to the other side of the lower portion of the bearing housing; And a second support member bracket connected to the second fixture weight and extending forward, The first fixing member fixes the first fixing unit weight to the cabinet, And the second fixing member fixes the second fixing unit weight to the cabinet. The method according to claim 3 or 4, Wherein the fixing means further comprises a third fixing member for fixing the upper portion of the bearing housing to the cabinet. The method according to claim 6, The bearing housing includes an upwardly extending extension, And the third fixing member fixes the extension portion to the cabinet.

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