KR20090024472A - Constructing structure of noise filter for laundry treatment machine - Google Patents

Abstract

A noise filter mounting structure of a laundry treatment machine is provided to facilitate installation of a can housing and block water by hook-combining the can housing containing a noise filter directly with a cabinet. A noise filter mounting structure of a laundry treatment machine comprises: a cabinet(2) in which a plurality of hook holes are formed; a plurality of guide hooks(33) inserted in a plurality of hook holes; and a can housing(30) in which a noise filter is accepted. The can housing comprises: a guide hook formed in the side; a body(31) in which a lower-part is opened; a cover(32) being combined in the body and shielding the lower-part of the body; a coupling part(34) coupled in the side of the cabinet by a coupling member; and a holder fixing a wire.

Description

Noise filter installation structure of laundry treatment equipment. {Constructing structure of noise filter for laundry treatment machine}

1 is a perspective view of a drum washing machine equipped with a noise filter according to a first embodiment of the present invention;

Figure 2 is a rear perspective view of the drum washing machine shown in Figure 1,

3 is an exploded perspective view of the noise filter and the side bracket shown in FIG. 1;

4 is a cross-sectional view illustrating a state in which the noise filter and the side bracket are coupled to each other in FIG. 3;

5 is a rear perspective view of the noise filter illustrated in FIG. 1;

6 is a perspective view showing a coupling state of a noise filter and a side bracket according to a second embodiment of the present invention;

7 is a perspective view illustrating the noise filter illustrated in FIG. 6;

FIG. 8 is a bottom view of the noise filter shown in FIG. 7. FIG.

<Simple description of the code for the main part of the drawing>

2: cabinet 3: hook hole

14: side bracket 14c: through hole

16: V 20: noise filter

30, 40: can housing 31: tube

32: cover portion 33: guide hook

34: fastening part 35: fastening boss

36: fastening hole 42: holder

The present invention relates to a noise filter installation structure of a laundry treatment machine, and more particularly, to a noise filter installation structure of a laundry treatment device that is prevented from infiltrating water into a noise filter and is easy to install.

In general, laundry treatment machines use water, detergents, and mechanical action to remove dirt from clothes, bedding, etc. (hereinafter referred to as' fo's), and dry hot air and mechanical action heated by heaters. It is divided into a dryer for drying a wet cloth using a back and a dry washing machine that combines a washing function and a drying function.

In an electronic device having a dynamic load, such as a motor of the laundry treatment machine, voltage or current waveforms may not come out cleanly and noise may be generated to prevent the noise from affecting the operation of the device. A noise filter is installed.

The noise filter of the laundry treatment machine according to the prior art includes a case installed in a cabinet and having an open front surface, a substrate mounted inside the case, a coil wound core, and a terminal portion. When a current is supplied through the terminal portion, the noise is filtered while the current passes through the coil.

However, the noise filter of the laundry treatment machine according to the prior art is easy to penetrate water because the core is exposed through the open front surface of the case, and there is a problem that an accident such as a fire may occur.

It is an object of the present invention to provide a noise filter installation structure of a laundry treatment machine, in which water penetration is prevented and installation is easy to improve assembly performance.

The present invention provides a noise filter installation structure of a laundry treatment machine including a cabinet in which a plurality of hook holes are formed, a plurality of guide hooks are formed to be fitted into the plurality of hook holes, and a housing in which a noise filter is stored. do.

The can housing may include a tube portion protruding from the side of the guide hook and having a bottom surface open, and a cover portion coupled to the tube portion to shield the bottom surface.

At least some of the plurality of guide hooks may be formed to be bent downward to fit in the hook hole in a downward direction.

The can housing may further include a fastening part fastened by a fastening member to a side of the cabinet.

The fastening part may be formed to be fastened and fixed to a side bracket installed in the cabinet.

The can housing may further include a holder configured to fix the wire.

Hereinafter, with reference to the accompanying drawings for the drum washing machine as an embodiment of a laundry treatment machine according to the present invention will be described in detail.

1 is a perspective view of a drum washing machine equipped with a noise filter according to a first embodiment of the present invention, FIG. 2 is a rear perspective view of the drum washing machine shown in FIG. 1, and FIG. 3 is a noise filter and a side bracket shown in FIG. 1. 4 is a cross-sectional view illustrating a state in which the noise filter and the side bracket are coupled to each other in FIG. 3, and FIG. 5 is a rear perspective view of the noise filter illustrated in FIG. 1.

Referring to FIG. 1, the drum washing machine 1 includes a cabinet 2 having an appearance and having a front surface and an upper surface opened, a top cover 4 installed to cover an upper surface of the cabinet 2, and the cabinet. A front cover 6 installed to cover the front surface of (2), a tub (not shown) mounted inside the cabinet 2, a drum 8 mounted inside the tub (not shown), A door 10 mounted on the front cover 6 of the cabinet 2 and a control panel 12 mounted on the upper side of the door 10 are included.

The rear side of the cabinet 2 is provided with a side bracket 14 formed to mount various parts along the upper circumference. Referring to FIGS. 1 and 3, the side bracket 14 extends downwardly bent from the front of the upper surface portion 14a and the upper surface portion 14a against the rear upper portion 2a of the cabinet 2. It may be formed of the front portion 14b formed.

Meanwhile, referring to FIGS. 1 and 3, the drum washing machine 1 further includes a noise filter 20 for removing noise, and the noise filter 20 includes the side bracket 14 and the cabinet ( It can be stored in the can housing 30 installed in 2).

The can housing 30 may be made of a plastic injection molding. The can housing 30 includes a tubular portion 31 formed to have a lower surface opened, and a cover portion 32 coupled to the tubular portion 31 to shield the lower surface.

3 to 5, the cylinder part 31 may be formed in a cylindrical shape, and a substrate (not shown) and a core (not shown) in which a coil is wound may be accommodated in the cylinder part 31. .

Meanwhile, the can housing 30 is hooked to the cabinet 2, and is fastened and fixed to the side bracket 14 by bolts 16.

That is, referring to FIGS. 2 to 5, a plurality of hook holes 3 are formed on the rear surface of the cabinet 2, and a plurality of guides are fitted to the plurality of hook holes 3 in the cylinder part 31. The hook 33 is formed. Here, the hook holes 3 and the guide hooks 33 will be described as being limited to two each formed. In addition, the guide hook 33 is integrally formed in the cylindrical portion 31, and is bent downward to be fitted downward in the hook hole (3). However, the present invention is not limited thereto, and the guide hook may be formed to be bent in the left and right directions so as to be fitted in the left and right directions.

In addition, a fastening part 34 protruding to abut on the side bracket 14 is integrally formed on an upper surface of the tube part 31. The fastening boss 35 protrudes toward the rear portion so that the bolt 16 is fastened to the fastening portion 34. The fastening boss 35 has a fastening hole 36 having a thread formed therein.

In addition, a through hole 14c is formed in the front portion 14b of the side bracket 14 to allow the bolt 16 to pass therethrough.

In addition, the cover part 32 is integrally provided with a socket 38 including a terminal 37 for supplying current to the coil (not shown). The socket 38 is provided below the cover part 32 to be exposed to the outside.

The noise filter installation method according to the first embodiment of the present invention configured as described above is as follows.

First, the fastening part 34 of the can housing 30 is inserted into the space between the side bracket 14 and the cabinet 2.

Thereafter, the guide hook 33 of the can housing 30 is inserted into the hook hole 3 of the cabinet 2 downward. Accordingly, the guide hook 33 is fitted into the hook hole 3 to be engaged.

When the guide hook 33 is fitted into the hook hole 3, the installation position of the can housing 30 is determined. That is, the fastening hole 36 of the can housing 30 and the through hole 14c of the side bracket 14 coincide with each other. Accordingly, the fastening hole 36 and the through hole 14c may coincide with each other even if the can housing 30 is not moved separately to coincide with the fastening hole 36 and the through hole 14c.

Thereafter, when the bolt 16 is passed through the through hole 14c and then fastened to the fastening hole 36, the can housing 30 is fastened and fixed to complete the installation of the can housing 30.

Therefore, since the installation position of the can housing 30 is guided by the guide hook 33 and the hook hole 3, the can housing 30 can be installed more quickly and simply. In addition, as well as using the existing side bracket 14, it is easy to form the hook hole 3 in the back of the cabinet 2 can be reduced costs.

In addition, since the can housing 30 is used, water can be prevented from penetrating into the noise filter during the main water insulation test or during use.

On the other hand, Figure 6 is a perspective view showing a coupling state of the noise filter and the side bracket according to a second embodiment of the present invention, Figure 7 is a perspective view showing the noise filter shown in Figure 6, Figure 8 is a A bottom view of the illustrated noise filter.

6 to 8, the noise filter according to the second exemplary embodiment of the present invention is accommodated in the can housing 40, and the wire 41 connected to the noise filter is formed on the circumferential surface of the can housing 40. Except for the fact that the holder 42 is formed to fix the other structure and operation is the same as the first embodiment, the same reference numerals are used, and description thereof will be omitted.

Here, the wire 41 may be inserted into the socket 43 of the can housing 40 and connected to an external power source (not shown).

In addition, the holder 42 is injection molded integrally with the can housing 40. Referring to FIG. 8, the holder 42 has a rib shape protruding from the can housing 40 and bent in one direction. Can be done. The holder 42 is formed to have an elastic force in a direction in close contact with the circumferential surface of the can housing 40. In addition, referring to FIGS. 7 and 8, the end 42a of the holder 42 is formed to be bent outward so that the user can easily grasp and open.

Therefore, the electric wire 41 can be inserted by opening the holder 42 in an outward direction, and after the electric wire 41 is inserted, the holder 42 is in close contact with the can housing 40 and the electric wire 41 is inserted. ) Can be held.

Since the electric wire 41 is fixed by the holder 42, a phenomenon such as the electric wire 41 being pulled out due to interference between the electric wire 41 and other components, etc. is prevented, and the safety of the noise filter is increased. Can be.

The noise filter installation structure of the laundry treatment machine according to the present invention is because the can housing in which the noise filter is housed is directly hooked to the cabinet, so that the installation of the can housing can be made more quickly and easily, and the cabinet It is easy to form a hook hole in the cost can be reduced.

Claims (6)

A cabinet in which a plurality of hook holes are formed; A plurality of guide hooks are formed to be fitted into the plurality of hook holes, and a noise filter installation structure of a laundry treatment machine including a can housing for storing a noise filter therein. The method according to claim 1, The can housing has a noise filter installation structure of a laundry treatment machine including a tube portion protruding from the side surface of the guide housing and opening the lower surface thereof, and a cover portion coupled to the tube portion to shield the lower surface. The method according to claim 1, At least some of the plurality of guide hooks are bent downward to be fitted into the hook hole in the laundry filter installation structure of the laundry treatment machine. The method according to claim 1, The can housing is a noise filter installation structure of a laundry treatment machine further comprises a fastening portion fastened by a fastening member on the side of the cabinet. The method according to claim 4, The fastening unit noise filter installation structure of the laundry treatment machine formed to be fastened and fixed to the side bracket installed in the cabinet. The method according to claim 1, The can housing is noise filter installation structure of a laundry treatment machine further comprises a holder formed to fix the wire.

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