KR102342116B1 - Apparatus for treating a laundry - Google Patents

Abstract

A laundry treatment device according to the present invention comprises: a cabinet having an external shape and having a cloth entry/exit hole; a door that is rotated with respect to the cabinet and opens and closes the four entrance and exit holes; and a hinge coupled to the cabinet and the door, respectively, and providing a center of rotation to the door, wherein the hinge includes: a hinge body in close contact with an outer surface of the cabinet; a door coupling part formed on the hinge body and coupled to the door; a hinge shaft formed in the door coupling part and forming a rotation center of the door; and a cabinet coupling part formed in the hinge body, passing through a hinge hole formed in the cabinet, and being inserted into and supported by the cabinet.
The laundry treatment apparatus according to the present invention has the advantage of effectively distributing the load on the door and preventing permanent deformation of the cabinet without a bracket through this because the cabinet coupling part formed on the hinge penetrates the cabinet and is supported therein.

Description

Laundry treatment machine {Apparatus for treating a laundry}

The present invention relates to a laundry treatment apparatus, and more particularly, to a laundry treatment apparatus capable of preventing permanent deformation or sagging of a cabinet even when a door and a cabinet are connected with only a hinge without a bracket.

In general, a washing machine is a device that cleans through washing, rinsing, and dehydration processes to remove contamination from clothes, bedding, etc. (hereinafter referred to as 'cloth') using water, detergent, and mechanical action.

Washing machines are largely divided into agitator type washing machines, pulsator type washing machines, and drum type washing machines.

The agitation type washes by rotating the washing rod rising from the center of the washing tub left and right, and the vortex type washes by rotating the disk-shaped rotary blade formed at the bottom of the washing tub left and right to use the frictional force between the water stream and the cloth. Add water, detergent and cloth and rotate the drum to wash.

In the drum washing machine, a tub for accommodating wash water is mounted inside a cabinet forming an exterior, a drum for accommodating cloth is disposed inside the tub, a driving unit for rotating the drum is mounted on the rear side of the tub, and the driving unit includes a tub A drive shaft connected to the rear side of the drum through the shaft is installed. A lifter is mounted inside the drum to lift the gun when the drum rotates.

On the other hand, the door of the drum washing machine into which the cloth is put forward is opened and closed while being rotated in the front-rear direction.

Here, the drum washing machine is provided with a hinge that forms a center of rotation of the door, and a bracket coupled to the hinge and fixed to the cabinet.

Therefore, in a conventional drum washing machine, a hinge is installed on a door, a bracket is installed on a cabinet, and the door is installed by assembling the hinge and bracket.

SUMMARY OF THE INVENTION An object of the present invention is to provide a laundry treatment device in which a door can be easily installed.

Another object to be solved by the present invention is to provide a laundry treatment device capable of minimizing the number of man-hours for assembling a door.

Another object to be solved by the present invention is to provide a laundry treatment device capable of minimizing the number of parts for a door.

Another object to be solved by the present invention is to provide a laundry treatment apparatus capable of suppressing permanent deformation of a cabinet even when only a hinge is installed.

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

In order to achieve the above object, the laundry treatment apparatus according to an embodiment of the present invention, the cabinet to form an external shape, the four entry and exit holes are formed; a door that is rotated with respect to the cabinet and opens and closes the four entrance and exit holes; and a hinge coupled to the door, providing a rotation shaft on which the door is rotated, one end being inserted through the cabinet to be supported on the inner surface of the cabinet, and the other end being supported on the outer surface of the cabinet. .

A laundry treatment apparatus according to another embodiment of the present invention includes: a cabinet having an external shape, and having a four entrance and exit hole; a door that is rotated with respect to the cabinet and opens and closes the four entrance and exit holes; and a hinge coupled to the cabinet and the door, respectively, and providing a center of rotation to the door, wherein the hinge includes: a hinge body in close contact with an outer surface of the cabinet; a door coupling part formed on the hinge body and coupled to the door; a hinge shaft formed in the door coupling part and forming a rotation center of the door; and a cabinet coupling part formed in the hinge body, passing through a hinge hole formed in the cabinet, and being inserted into and supported by the cabinet.

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, there are one or more of the following effects.

First, the laundry treatment apparatus according to the present invention has the advantage of effectively distributing the load of the door and preventing permanent deformation of the cabinet without a bracket through this because the cabinet coupling part formed on the hinge penetrates the cabinet and is supported inside.

Second, the laundry treatment machine according to the present invention has an advantage in that the number of parts is simplified because the door and the cabinet are combined with only a hinge without a bracket, thereby minimizing the assembly man-hours.

Third, the laundry treatment apparatus according to the present invention has an advantage in that the manufacturing cost is reduced because the door and the cabinet are combined with only a hinge without a bracket.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will 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.
FIG. 2 is a partial cross-sectional view of the washing machine shown in FIG. 1 .
FIG. 3 is a perspective view illustrating a coupling portion between the door and the cabinet shown in FIG. 1 .
4 is a partially cut-away cross-sectional view illustrating the coupling structure of the hinge shown in FIG. 3 .
FIG. 5 is a perspective view of the hinge shown in FIG. 4 ;
6 is a partially cut-away cross-sectional view illustrating a coupling structure of a hinge according to a second embodiment of the present invention.
FIG. 7 is a perspective view of the hinge shown in FIG. 6 .
8 is a partially cut-away cross-sectional view illustrating a coupling structure of a hinge according to a third embodiment of the present invention.
9 is a perspective view of the hinge shown in FIG. 8 .
10 is a partially cut-away cross-sectional view illustrating a coupling structure of a hinge according to a fourth embodiment of the present invention.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

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

1 is a perspective view showing 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 .

The washing machine 100 according to an embodiment of the present invention includes a cabinet 10 forming an exterior, a tub 20 accommodating washing water, and a tub 20 disposed in the tub 20, and rotating by accommodating the cloth therein. a drum 30 to be used, a driving unit 40 for rotating the drum 30, a water supply unit (not shown) that receives wash water from an external water source and supplies it to the tub 20, and the water supply unit supplied from the water supply unit A spray nozzle 51 for spraying wash water into the drum 30, a detergent box 50 for accommodating laundry detergent and mixing wash water with laundry detergent, and draining the wash water from the tub again to the tub (20) a pump 60 for supplying the inside to circulate the wash water, and a circulation nozzle (not shown) for spraying the wash water circulated by the pump 60 into the drum.

The cabinet 10 forms the exterior of the washing machine 100 . A tub 20 is provided inside the cabinet 10 . The cabinet 10 is formed with a cloth entry hole 21 so that the cloth can enter and exit. A door 90 is rotatably provided on the front side of the cabinet 10 to enable opening and closing of the port entry/exit hole 21 . The cabinet 10 is provided with a control panel 70 that receives a command from a user and displays various state information of the washing machine 100 . The cabinet 10 is provided with a detergent box 50 in which detergents such as laundry detergent, rinsing detergent or bleach are accommodated so as to be able to be drawn out.

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. full up

Wash water is accommodated in the tub (20).

And the drum 30 is disposed inside the tub (20).

The tub 20 may be provided with a water level sensor (not shown) for detecting the level of the wash water accommodated in the tub. The water level sensor can be implemented in various ways, and in this embodiment, the distance between the electrodes is changed using the air pressure that changes according to the washing water level, and the water level is measured by the amount of change in the capacitance of the electrodes. A heater (not shown) for heating the wash water may be provided inside the tub 20 .

The drum 30 rotates with the cloth accommodated therein. The drum 30 is formed with a plurality of drum through-holes 33 so that the washing water passes. A lifter 32 may be disposed on the inner wall of the drum 30 to lift the fabric to a predetermined height when the drum 30 rotates. The drum 30 is rotated by receiving rotational force by the driving unit 40 .

The drum 30 is not arranged completely horizontally, but may be arranged with a predetermined inclination so that the rear portion of the drum 30 descends below 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 fore access hole 21 . The gasket 23 relieves an impact transmitted to the door 90 when the drum 30 rotates, and prevents the washing water in the tub 20 from leaking into the cabinet.

The gasket 23 may be integrally formed of a single material, but a portion fastened to the tub 20 is made of a hard material in order to secure fastening strength and sufficient rigidity with the tub 20 . A portion fastened to the cabinet 10 may be formed of a material having elasticity in order to reduce vibration transmitted from the tub 20 to the cabinet 10 .

A spray nozzle 51 , a steam nozzle (not shown) and a circulation nozzle (not shown) are installed in the gasket 23 .

The spray nozzle 51 sprays wash water supplied from an external water source.

The steam nozzle is sprayed with the steam generated by the heater.

The circulation nozzle sprays the wash water stored in the tub 20 . The pump 60 supplies the wash water inside the tub 20 to the circulation nozzle.

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

The detergent box 50 accommodates detergents such as laundry detergent, rinsing detergent or bleach. The detergent box 50 is preferably provided on the front side of the cabinet 10 to be withdrawable. The detergent in the detergent box 50 is mixed with the washing water when the washing water is supplied and introduced into the tub 20 . The detergent box 50 may be formed by dividing a portion in which the laundry detergent is accommodated, a portion in which the rinse detergent is accommodated, and a portion in which the bleach is accommodated.

The control panel 70 includes an input unit 71 for receiving various operation commands such as selection of a washing course or operation time and reservation for each cycle through the user, and a display unit 72 for displaying the operating state of the washing machine 100 . can be provided.

3 is a perspective view showing the coupling portion of the door and the cabinet shown in FIG. 1, FIG. 4 is a partially cut-away cross-sectional view showing the coupling structure of the hinge shown in FIG. 3, and FIG. 5 is the hinge shown in FIG. is a perspective view.

The door 90 according to the present embodiment is characterized in that the hinge 100 is coupled to the cabinet 10 without a bracket.

The hinge 100 is formed in the hinge body 102, the hinge body 102, the door coupling part 104 coupled to the door 90, and the door coupling part 110, It includes a hinge shaft 106 forming a center of rotation of the door 90 , and a cabinet coupling part 108 formed on the hinge body 102 and inserted into the cabinet 10 through the cabinet 10 .

A hinge hole 101 into which the cabinet coupling part 108 is inserted is formed in the cabinet 10 .

The hinge body 102 is positioned on the front of the cabinet 10 , and the cabinet coupling part 108 is positioned inside the cabinet 10 .

The door coupling part 104 is formed to protrude forward from the hinge body 102 .

A portion of the front side of the door coupling part 104 is inserted into the door 90 .

Two of the door coupling parts 104 are disposed in the vertical direction in this embodiment.

In this embodiment, the one disposed on the upper side is defined as the first door coupling part 103 , and the one disposed on the lower side is defined as the second door coupling part 105 .

The hinge shaft 106 is formed to protrude vertically from the door coupling part 104 .

The hinge shaft 106 is formed in the first door coupling part 103 and the second door coupling part 105, respectively.

The cabinet coupling part 108 is inserted through the hinge hole 101 .

The cabinet coupling part 108 is in close contact with the rear surface of the cabinet 10 .

The cabinet coupling part 108 extends upwardly from the hinge body 102 .

In this embodiment, the cabinet coupling part 108 is positioned on an extension line with the first door coupling part 103 .

The cabinet coupling part 108 is formed to extend in the same direction as the hinge body 102 .

In this embodiment, the cabinet coupling part 108 and the first door coupling part 103 form an angle of 90 degrees.

In this embodiment, the upper end of the first door coupling part 103 is in close contact with the upper side of the hinge hole 101 .

In order to be supported by the cabinet 10 while being inserted into the hinge hole 101 , the cabinet coupling part 108 forms a stage with the hinge body 102 .

The fastening member 109 is fastened through the cabinet 10 and the cabinet coupling part 108 .

A separate fastening member 109 is fastened through the hinge body 102 and the cabinet 10 .

When the hinge 100 is assembled to the cabinet 10 , the hinge hole 101 formed in the cabinet 10 is covered by the hinge 100 and is not exposed to the outside.

And when a load is applied to the lower side of the door 90 , the cabinet coupling part 108 is supported on the inner surface of the cabinet 10 , and the lower end of the hinge body 102 is supported on the outer surface of the cabinet 10 .

In this embodiment, the hinge 100 connects the cabinet 10 and the door 90 without a separate member.

Through this, installation is possible without a bracket required for installation of the door as in the prior art.

In particular, in the hinge 100 according to the present embodiment, the cabinet coupling part 108 is coupled to the inner surface of the cabinet 10 and supported, and the lower end of the hinge body 102 is coupled to and supported by the outer surface of the cabinet 10 . , the load applied to the door 90 can be supported more effectively.

In particular, even if the user applies a load such as pressing the upper end of the door 90, there is an effect that the load can be supported more stably through the coupling structure of the hinge 100, and through this, permanent deformation of the cabinet 10 is prevented. can be prevented

In addition, the drum washing machine according to the present embodiment has the effect of greatly simplifying the man-hours and time for installing the door 90 .

6 is a partially cut-away cross-sectional view illustrating a coupling structure of a hinge according to a second embodiment of the present invention, and FIG. 7 is a perspective view of the hinge shown in FIG. 6 .

In the hinge 200 according to the present embodiment, a fitting groove 210 into which the front surface 11 of the cabinet 10 is inserted is formed between the hinge body 102 and the cabinet coupling part 208 .

The cabinet coupling part 208 is formed to extend upwardly from the rear surface of the hinge body 102 .

When the hinge 200 is assembled, when the hinge 200 is in close contact with the upper side, the front surface 11 is inserted into the fitting groove 210 .

At this time, there is an effect that the upper end of the hinge hole 101 is in close contact with the lower end of the fitting groove 210 , and the installation height of the fastening member 109 is accurately arranged.

Hereinafter, since the rest of the configuration is the same as that of the first embodiment, a detailed description thereof will be omitted.

8 is a partially cut-away cross-sectional view illustrating a coupling structure of a hinge according to a third embodiment of the present invention, and FIG. 9 is a perspective view of the hinge shown in FIG. 8 .

After the hinge 300 according to the present embodiment is inserted into the cabinet 10 through the hinge hole 101 , it is supported under the hinge hole 101 .

The hinge 300 protrudes backward from the hinge body 102 , and a cabinet coupling part 308 for forming the hinge body 102 and the fitting groove 310 is formed.

Unlike the second embodiment, the cabinet coupling part 308 is manufactured so that the short side faces downward.

After the cabinet coupling part 308 is inserted through the hinge hole 101 , it is supported at the lower end of the hinge hole 101 .

In this embodiment, the fastening members 109 are respectively installed at the upper end 301 and the lower end 302 of the hinge body 102 .

The upper end 301 blocks the hinge hole 101 from being exposed to the outside.

Hereinafter, since the rest of the configuration is the same as that of the second embodiment, a detailed description thereof will be omitted.

10 is a partially cut-away cross-sectional view illustrating a coupling structure of a hinge according to a fourth embodiment of the present invention.

In this embodiment, unlike the third embodiment, the fastening member is installed through the hinge body 102 , the front surface 11 inserted into the fitting groove 310 , and the cabinet coupling part 308 .

Since the front side 11 is inserted into the fitting groove 310 and supports the hinge 300 , it is possible to more effectively support the load applied to the door 90 and prevent the door 90 from sagging. can

Hereinafter, since the rest of the configuration is the same as that of the third embodiment, a detailed description thereof will be omitted.

Meanwhile, in the present embodiments, the installation example of the hinge has been described as an example of a drum washing machine, but it may be applied to a laundry treatment device such as a front-loading type dryer.

In the above, preferred embodiments of the present invention have been illustrated and described, but the present invention is not limited to the specific embodiments described above, and in the technical field to which the present invention belongs, without departing from the gist of the present invention as claimed in the claims Various modifications may be made by those of ordinary skill in the art, and these modifications should not be individually understood from the technical spirit or perspective of the present invention.

10: cabinet 20: tub
30: drum 40: driving unit
50: detergent box 60: pump
70: control panel 90: door
100: hinge 101: hinge hole
102: hinge body 104: door coupling part
106: hinge shaft 108: cabinet coupling part

Claims (14)

a cabinet that forms an external shape and has a four entrance and exit hole;
a door that is rotated with respect to the cabinet and opens and closes the four entrance and exit holes; and
and a hinge fixed to the cabinet and coupled to the door to rotate the door,
The hinge is:
a hinge body supported on an outer surface of the cabinet;
a door coupling part protruding from the hinge body toward the door;
a hinge shaft formed on the door coupling part and forming a rotation shaft of the door; and
and a cabinet coupling part protruding from a portion of the hinge body located below the door coupling part, passing through the cabinet, and extending upwardly and supported on the inner surface of the cabinet. The method according to claim 1,
The cabinet coupling part is fastened and fixed to the inner surface of the cabinet, and the hinge body is fastened and fixed to the outer surface of the cabinet. delete The method according to claim 1,
The cabinet is
and a hinge hole through which the hinge body and the cabinet coupling part pass;
The cabinet coupling part is a laundry treatment device in close contact with the upper side of the hinge hole. 5. The method according to claim 4,
The cabinet coupling unit is bent and fixed to the inside of the laundry treatment machine. 5. The method according to claim 4,
The cabinet coupling part is formed to extend in the same direction as the hinge body. 5. The method according to claim 4,
The extension directions of the cabinet coupling part and the door coupling part are formed to cross each other. 5. The method according to claim 4,
The cabinet coupling unit is a laundry treatment device in which the door coupling unit is positioned on the same line. delete 5. The method according to claim 4,
The hinge body is a laundry treatment device formed to shield the hinge hole. delete The method according to claim 1,
The hinge body is formed elongated vertically,
The door coupling part
a first door coupling part positioned on the hinge body and protruding toward the door; and
It is located under the hinge body and includes a second door coupling part protruding toward the door,
The cabinet coupling part protrudes from a portion of the hinge body positioned between the first door coupling part and the second door coupling part. 13. The method of claim 12,
In the hinge body, the first door coupling part and the cabinet coupling part are located on the same line. delete

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