KR100737320B1 - Clothing dryer - Google Patents

Abstract

A clothing dryer is provided to prevent foreign substance attached to a lint filter from dropping into a hot wind discharging duct when the lint filter is separated from the hot wind discharging duct by forming a foreign matter accommodating space. A clothing dryer includes a housing(10) for forming an external appearance, a drum-shaped drying container installed to rotate in the housing, a hot wind supplying duct to guide hot wind into the drying container, a hot wind discharging duct to guide the hot wind discharged from the drying container into the exterior, and a lint filter detachably installed in the hot wind discharging duct to filter foreign substance contained in the hot wind. The housing includes an opening(11) for putting and withdrawing the laundry, a door hinged to a side of the opening, and a control panel(13) having manipulation buttons(14) provided in the front upper side of the housing for controlling operation the clothes dryer and a display(15) for displaying operating state of the clothes dryer. The drying container is installed in the housing and is rotated to receive a driving force from a driving motor through a belt.

Description

Clothes Dryer {Clothing dryer}

1 is an exploded perspective view schematically showing a clothes dryer according to a preferred embodiment of the present invention.

Figure 2 is a side cross-sectional view schematically showing a clothes dryer according to a preferred embodiment of the present invention.

Figure 3 is an exploded perspective view showing the main components of the clothes dryer according to a preferred embodiment of the present invention.

Figure 4 is a side cross-sectional view showing a portion to illustrate the operation of the clothes dryer according to a preferred embodiment of the present invention.

<Description of Signs of Major Parts of Drawings>

10 ... housing 12 ... door

20 ... dry barrel 32 ... drive motor

41 Front panel 46 Rear panel

50 ... hot air supply duct 60 ... hot air discharge duct

61 ... Connection duct 62 ... Fan casing

70 ... lint filter 71 ... main filter

72,76 ... 1,2-sieve 73,77 ... 1,2-frame

74.Handle 75.Sub filter

The present invention relates to a clothes dryer, and more particularly, to a clothes dryer having a lint filter installed on a passage through which hot air is discharged to filter lint falling from a dry matter.

In general, the clothes dryer forcibly blows the hot air into the drying container to dry the wet to dry items put into the drying container. The clothes dryer forcibly circulates the dried product by forcibly circulating the heated hot air through the heater and the blowing fan into the drying container.

Conventional clothes dryer has a hot air supply duct provided with a housing provided with a door in the front, a cylindrical drying container installed in the housing in the front and rear direction, and one end is provided at the rear side of the drying container and a heater for heating air therein; And, a blowing fan is installed inside the hot air discharge duct to guide the hot air discharged from the drying tank to be discharged to the outside.

And, inside the hot air discharge duct is provided a lint filter for filtering foreign matter such as lint from the hot air discharged from the drying bin. The lint filter is detachably installed in the hot air discharge duct and has a strainer that can collect foreign substances. Since the strainer has a large flow resistance due to foreign matter adhesion during long time use, the flow rate of hot air passing through the lint filter is reduced. Therefore, it is necessary to clean the lint filter frequently so that drying can be performed smoothly.

However, the conventional clothes dryer has a problem that foreign matter caught in the strainer catches a part of the hot air discharge duct while the lint filter is taken out of the hot air discharge duct to clean the lint filter. When foreign material is accumulated inside the hot air discharge duct every time the lint filter is taken out of the hot air discharge duct, the hot air is not discharged smoothly, and the lint filter is not mounted on the hot air discharge duct stably, and the sanitary condition of the device is deteriorated. May cause problems.

The present invention is to solve the above problems, the clothes dryer to prevent the foreign matter attached to the lint filter falling into the hot air discharge duct when the lint filter is separated from the hot air discharge duct to clean the lint filter. The purpose is to provide.

Clothes dryer according to the present invention for achieving the above object is, a drying barrel into which the article to be dried, a hot wind supply duct for supplying hot air into the interior of the drying barrel, and a hot air discharge duct for discharging the hot air of the drying barrel. And a lint filter detachably installed in the hot air discharge duct so as to filter out foreign matters contained in the hot air discharged from the drying container, wherein the lint filter includes a main filter having a first strainer for filtering foreign matters; And an auxiliary filter which is smaller than the main filter and is coupled to the main filter so that a foreign matter accommodation space is formed between the main filter and the foreign matter accommodation space.

Here, the auxiliary filter may be provided with a second screen that can filter foreign matter and allow air to pass through.

The auxiliary filter may be detachably coupled to the main filter.

In addition, any one of the main filter and the auxiliary filter may be provided with a coupling groove, and the other may be provided with a coupling protrusion coupled to the coupling groove.

In addition, any one of the main filter and the auxiliary filter is provided with a fitting groove, the other one may be provided with a hook that is detachably fitted to the fitting groove.

Hereinafter, a clothes dryer according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

1 and 2 are an exploded perspective view and a side cross-sectional view schematically showing a clothes dryer according to a preferred embodiment of the present invention, Figure 3 is an exploded perspective view showing the main components of the clothes dryer according to a preferred embodiment of the present invention. , Figure 4 is a side cross-sectional view showing a part to illustrate the operation of the clothes dryer according to a preferred embodiment of the present invention.

As shown in Figure 1 and 2, the clothes dryer according to a preferred embodiment of the present invention and the housing 10 forming the appearance, the drum-shaped drying tub 20 is installed in the housing 10 so as to be rotatable The hot air supply duct 50 for guiding the hot air into the drying container 20, the hot air discharge duct 60 for guiding the hot air discharged from the drying container 20 to the outside, and the hot air discharge duct 60. It is detachably installed and includes a lint filter 70 for filtering foreign substances contained in the hot air discharged from the drying bin 20.

In the front of the housing 10, an inlet 11 for inputting and withdrawing laundry, and a door 12 for opening and closing the inlet 11 are hinged to one side of the inlet 11, and in front of the front of the housing 10 The control panel 13 is provided with an operation button 14 for controlling the operation of the clothes dryer and a display unit 15 for displaying the operation state of the clothes dryer.

The drying cylinder 20 is installed to be rotatable inside the housing 10 and rotates by receiving a rotational force from the driving motor 32 mounted on the inner lower portion of the housing 10 through the belt 34. The drive motor 32 simultaneously drives the blowing fan 64 installed in the drying cylinder 20 and the hot air discharge duct 60. The open front of the drying container 20 is covered by the front panel 41, and the open rear of the drying container 20 is covered by the rear panel 46.

The front panel 41 and the rear panel 46 cover both open ends of the drying container 20 and rotatably support the drying container 20. The front panel 41 and the rear panel 46 are provided with annular support portions 42 and 47 protruding inwardly of the drying vessel 20 so as to rotatably support the inner peripheral surfaces of both ends of the drying vessel 20, respectively. do. Friction pads 44 and 48 having a small coefficient of friction are arranged on the outer circumferential surface of each of the support portions 42 and 47 so that both front and rear ends of the drying barrel 20 are supported by the friction pads 44 and 48. Is supported by 47. As a result, when the rotational force is transmitted from the drive motor 32 to the drying cylinder 20, both front and rear ends of the drying cylinder 20 slide along the surfaces of the friction pads 44 and 48 provided on the supporting portions 42 and 47. Will rotate.

In addition, an opening 43 is provided in the center of the front panel 41 to allow the input and withdrawal of the building, and the laundry is introduced into the hot air discharge duct 60 together with the hot air in the lower portion of the front panel 41. Grill portion 45 is provided to prevent that. The grill part 45 is provided with a plurality of through holes 45a through which hot air can pass and an installation groove 45b in which the lint filter 70 is installed. The hot air discharge duct 60 is connected to the grill part 45 so that hot air exiting the drying cylinder 20 is discharged to the hot air discharge duct 60 through the through hole 45a of the grill part 45.

The hot air supply duct 50 has a built-in heater 51 for heating the air flowing through the inside to generate hot air, one end of which is open and the other end of which supplies the hot air to the drying tank 20. It is connected to one side of the panel 46.

The hot air discharge duct 60 includes a connection duct 61 connected to the grill part 45, a fan casing 62 in which a blowing fan 64 for generating a blowing force for forcibly blowing hot air is accommodated, and an open end. The discharge pipe 63 is connected to the outside of the additional housing 10. The hot air discharged through the grill part 45 in the drying container 20 is discharged to the outside of the housing 10 through the connection duct 61, the fan casing 62, and the discharge pipe 63.

The lint filter 70 filters the foreign matter from the hot air that is detachably installed in the connection duct 61 and prevents foreign matter such as lint, which has fallen from the dry object, to be discharged to the outside of the housing 10. The lint filter 70 includes a main filter 71 and an auxiliary filter 75 smaller in size than the main filter 71 and detachably coupled to the main filter 71.

As shown in FIG. 3, the main filter 71 includes a first filtering net 72 for filtering foreign matter and a first frame 73 supporting the first filtering net 72. The upper portion of the first frame 73 is provided with a handle 74 for the user operation. When the lint filter 70 is installed, the handle 74 protrudes upward from the installation groove 45b of the front panel 41. The user grasps the protruding handle 74 and sets the lint filter 70 at the front panel 41. It can be easily separated from. In addition, a coupling groove 73a is provided at a lower portion of the first frame 73, and fitting grooves 73b are provided at both sides of the first frame 73, respectively.

The auxiliary filter 75 is smaller than the size of the main filter 71 and is detachably attached to one side of the main filter 71 such that a foreign matter accommodation space 70a is formed between the main filter 71 and the foreign matter accommodation space. Combined. The foreign substance receiving space 70a is a space for receiving foreign substances falling from the first strainer 72, and the auxiliary filter 75 has a first strainer 72 as shown in FIG. 2. ) Is coupled to the side close to the drying container 20 to be formed on the side to which the foreign matter is attached. As shown in FIG. 3, the auxiliary filter 75 includes a second sieve 76 for filtering foreign matter and passing air, and a second frame 77 for supporting the second sieve 76. A coupling protrusion 78 inserted into the coupling groove 73a of the first frame 73 protrudes downward in the lower portion of the second frame 77, and the first frame on both sides of the second frame 77. Hooks 79 fitted in the fitting grooves 73b provided at both sides of the 73 are provided one by one. When the auxiliary filter 75 is coupled to the main filter 71, the coupling protrusion 78 is first inserted into the coupling groove 73a, and then the hooks 79 are fitted into each fitting groove 73b. 75 is fixed to the main filter 71.

Here, the positions of the coupling groove 73a, the fitting groove 73b, the hook 79, and the coupling protrusion 78 may be changed. That is, the coupling groove 73a and the fitting groove 73b may be provided in the auxiliary filter 75, and the hook 79 and the coupling protrusion 78 may be provided in the main filter 71.

Hereinafter will be described the operation of the clothes dryer according to a preferred embodiment of the present invention.

When the clothes dryer is operated after the object to be dried is put into the drying container 20, power is applied to the driving motor 32 and the heater 51. As a result, the air heated by the heater 51 is introduced into the drying cylinder 20 through the hot air supply duct 50 while the blowing fan 64 and the drying cylinder 20 rotate. The hot air introduced into the drying container 20 is dried in the drying container 20 and then discharged to the connection duct 61 through the grille 45 of the front panel 41. When the hot air flows into the connection duct 61, foreign matters such as lint included in the hot air are filtered by the lint filter 70, and the hot air from which the foreign matters are removed is transferred to the housing 10 through the fan casing 62 and the discharge pipe 63. Discharged outside).

On the other hand, as shown in Figure 4, when the user removes the lint filter 70 from the installation groove 45b to clean the lint filter 70 after drying is completed, the impact applied through the handle 74 Therefore, some foreign matter attached to the first strainer 72 of the main filter 71 may fall off. At this time, the foreign matter falling from the first sieve (72) is accommodated in the foreign matter receiving space (70a) between the main filter 71 and the auxiliary filter 75 is not dropped into the interior of the connection duct 61 and lint filter 70 It is discharged to the outside together.

After the user completely removes the lint filter 70 from the connection duct 61, the user separates the auxiliary filter 75 from the main filter 71, and foreign matters accommodated in the foreign substance accommodation space 70a, and the first and second strainers. (72) Remove any foreign matter attached to 76. Then, when the cleaning is finished, the lint filter 70 assembled by coupling the auxiliary filter 75 to the main filter 71 is mounted on the installation groove 45b again.

According to the present invention described above, the lint filter for filtering the foreign matter contained in the hot air discharged from the drying tank is composed of the main filter and the auxiliary filter and between the main filter and the auxiliary filter can accommodate the foreign matter falling from the main filter Since the foreign matter receiving space is formed, foreign matter falling from the main filter does not flow into the hot air discharge duct when the lint filter is separated from the hot air discharge duct.

Therefore, as in the prior art, foreign matters are accumulated in the hot air discharge duct, so that the hot air is not discharged smoothly, the lint filter is difficult to be installed, and the sanitary state of the device is not bad.

The present invention described above is not limited to the configuration and operation as illustrated and described. That is, the present invention is capable of various changes and modifications within the spirit and scope of the appended claims.

Claims (5)

The foreign matter contained in the drying barrel into which the object to be dried is input, the hot wind supply duct for supplying hot air into the drying container, the hot wind discharge duct for discharging the hot air of the drying container, and the hot air discharged from the drying container. In the clothes dryer having a lint filter detachably installed in the hot air discharge duct to filter, The lint filter includes a main filter having a first strainer for filtering foreign matter, and an auxiliary filter coupled to the main filter to form a foreign material receiving space smaller than the main filter and accommodated with foreign matter therebetween. Clothes dryer, characterized in that it comprises a. The method of claim 1, The auxiliary filter clothes dryer, characterized in that provided with a second sieve screen to filter foreign matter and air. The method of claim 1, The auxiliary filter is a clothes dryer, characterized in that detachably coupled to the main filter. The method of claim 3, wherein Any one of the main filter and the auxiliary filter is provided with a coupling groove, the other one of the clothes dryer characterized in that the coupling projection is coupled to the coupling groove is provided. The method of claim 3, wherein One of the main filter and the auxiliary filter is provided with a fitting groove, the other one of the clothes dryer, characterized in that provided with a hook that is detachably fitted to the fitting groove.

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