KR20060047495A - Drum type washing and drying machine - Google Patents

Abstract

The water tank 3 which is elastically supported in the main body 1 and contains the rotating drum 4, and the air exhausted in the rotating drum 4 are rotated again through the dehumidification part 20 and the heater 24. (4) It has the blowing heating path 18 which incorporates the blowing fan 23 which blows in, and seals the opening of substantially the same shape in the connection opening part 25 which is a connection part of the blowing heating path 18 and the circulation path 22. As shown in FIG. Since the member 26 is provided and the opening sealing member 26 opens and closes the connection opening 25 by rotating in conjunction with the drive of the blower fan 23, the flow of air during drying becomes a resistance. It is possible to prevent the intrusion of foam during washing.

Description

Drum-type laundry dryer {DRUM TYPE WASHING AND DRYING MACHINE}

1 is an overall perspective view of a drum type laundry dryer in an embodiment of the present invention,

2 is a schematic cross-sectional view of the drum laundry dryer;

3 is a sectional view of an essential part of the vicinity of a blowing heating path of the drum type laundry dryer;

Figure 4 is a bottom view of the blowing heating path of the drum laundry dryer.

Explanation of symbols for the main parts of the drawings

1: main body

3: tank

4: rotating drum

5: axis of rotation

10: through hole

18: blowing heating path

20: dehumidifying unit

22: circular path

23: blowing fan (blowing means)

24: heater (heating means)

25: connection opening

26: opening sealing member

The present invention relates to a drum type laundry dryer for carrying out each step of washing, rinsing, dehydration and drying in a rotating drum in which the rotating shaft is horizontal or inclined.

In the conventional drum type laundry dryer, a cylindrical rotating drum having a bottom formed on the circumferential surface with a plurality of permeable holes for passing water and air is disposed in a water tank in a horizontal direction or in an inclined direction in the horizontal direction, and the rotating drum is driven to rotate. It is configured to do so. A clothes entrance is formed on the front side of the water tank so as to be opened and closed by a door, and the laundry is rinsed and dehydrated by putting laundry into the rotating drum from the clothes entrance and controlling water and drainage into the water tank and rotation of the rotating drum. It is configured to execute a stroke.

In addition, by forming a circulation blower path which exhausts the air in the water tank and returns it back to the water tank through the dehumidifying part and the heating means, a drying stroke for drying the laundry contained in the rotary drum can be performed. In addition to the stroke, a drum-type laundry dryer is also available. The user can set the desired operation contents by putting the detergent into the detergent input case and operate the operation display unit as necessary, or recognize the progress of the operation by starting and pausing the operation. In the case of carrying out the drying administration, lint such as seams generated as the laundry is dried is recovered by the seam collecting device provided in the blowing path to prevent deposition on the blowing path or the blowing fan.

In such a drum-type laundry dryer, the detergent which can control or use the rotation speed of a rotating drum is specified so that the foam | bubble which generate | occur | produces by stirring of a laundry may not generate | occur | produce a large amount when wash administration is performed (for example, refer patent document 1).

(Patent Document 1) Japanese Patent Laid-Open No. 2000-93697

However, in the structure of a conventional blow heating path, a large amount of fines generated from the rotating drum enters the blowing path communicating with the drum and immerses the blower fan or the heating means, thereby causing bad smell or deteriorating reliability. There was a problem.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and prevents the occurrence of bad odors by preventing the immersion due to the infiltration of the dedusting product from the drum into the heating means and the blowing means built in the blowing heating path, and furthermore, the heating means. And a drum type laundry dryer capable of securing the reliability of the blowing means.

In order to solve the above-mentioned problems, the drum type laundry dryer of the present invention is provided with a plurality of perforation holes in the circumferential wall and is formed in a cylindrical shape and has a rotating drum having a rotating shaft in a horizontal direction or an inclined direction, and is elastically supported in the main body. A water tank containing a rotating drum, a dehumidifying unit for dehumidifying air exhausted through the water tank in the rotating drum, a blowing heating path communicating with the dehumidifying unit and having a blowing means and a heating means therein; A circulation path communicating with the blowing heating path and the inside of the rotating drum, and an opening sealing member provided in the connection opening of the blowing heating path and the circulation path so as to be rotatable so as to cooperate with driving of the blowing means. .

This prevents immersion due to the infiltration of the washing means embedded in the blowing heating path and the rotary debris from the rotating drum into the blowing means, thereby preventing the occurrence of bad odors and ensuring the reliability of the heating means and the blowing means. can do.

A first aspect of the present invention provides a rotating drum having a plurality of through holes in the circumferential wall and having a cylindrical shape and having a rotating shaft in a horizontal direction or an inclined direction, a water tank elastically supported in the main body and containing the rotating drum; A dehumidifying unit for dehumidifying the air exhausted through the water tank in the rotating drum, a blowing heating path communicating with the dehumidifying unit and having a blowing means and a heating means therein; and the blowing heating path and the rotating drum via the water tank. It is a drum type laundry dryer provided with the circulation path which communicates inside, and the opening part sealing member which was hung rotatably so that the connection opening of the said ventilation heating path and the said circulation path may be interlocked with the drive of the said ventilation means is provided. Therefore, even if a user accidentally adds too much detergent to prevent the occurrence of too many detergents, it is possible to prevent the entry of the detergents into the heating means and the ventilation means in the ventilation heating path, thereby preventing the occurrence of bad odor due to the immersion of the foam. In addition, the reliability of the heating means and the blowing means can be ensured.

According to a second aspect of the present invention, the opening sealing member of the drum type laundry dryer has a rotary shaft, and the left and right weight balances are maintained around the rotary shaft, so that the connection opening is closed when the blower stops. When the means are driven, they are configured to rotate to open the connection openings. Therefore, when the degreased product is generated in the water tank, the blowing means is in a stopped state because the washing is in progress, and the opening sealing member closes the connection opening, thereby preventing entry of the degreased product into the heating means and the blowing means in the blowing heating path. . As a result, it is possible to prevent the occurrence of bad odor due to the immersion of the foam and to ensure the reliability of the heating means and the blowing means.

According to a third aspect of the present invention, the opening sealing member in the drum type laundry dryer has a rotational shaft, and the opposing surfaces in the axial direction of the rotational shaft portion of the opening sealing member and the connecting opening are formed in a planar shape with each other. Therefore, since the rotational movement operation of the opening sealing member can be performed smoothly, the reliability can be increased.

According to a fourth aspect of the present invention, the opening sealing member in the drum type laundry dryer has a rotational axis of movement, and is characterized by varying the area of right and left on the basis of the rotational axis of movement. The opening and closing of the connecting opening can be ensured, and the reliability can be increased.

According to a fifth aspect of the present invention, the opening sealing member in the drum type laundry dryer has a rotational axis of motion, and a weight is disposed on either of the left and right sides of the rotational axis of motion. Therefore, opening and closing of the connection opening part by the rotational movement of an opening sealing member can be ensured, and reliability can be made high.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described, referring drawings. In addition, this invention is not limited by this Example.

A drum laundry dryer according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. 1 is an overall perspective view of a drum type laundry dryer according to the present embodiment, FIG. 2 is a schematic sectional view of the drum type laundry dryer, FIG. 3 is a sectional view of an essential part of the vicinity of the blowing heating path of the drum type laundry dryer, and FIG. 4 is the drum type laundry dryer. Is a bottom view of the blowing heating path.

1 and 2, a rotary drum formed in the main body 1 of the drum type laundry dryer in a state where the water tank 3 is suspended in the air by a damper structure 2 or the like, and formed into a cylindrical shape having a bottom in the water tank 3. (4) is arrange | positioned so that the axial center direction of the rotating shaft 5 may be inclined downward toward the back side from the front side, and is rotatable. In the front side of the water tank 3, the clothing entrance 6 to the opening end of the rotating drum 4 is formed. The rotary drum 4 through the clothing entrance and exit 6 by opening the door 9 which opens and closes the opening 8 provided in the upwardly inclined surface of the front part frame 7 which constitutes the front surface of the main body 1. I can put laundry in and out. Since the door 9 is installed on the upward inclined surface, the work of taking out and unloading the laundry can be performed without bending the waist, and generally the low workability of the drum-type laundry dryer for dispensing the laundry from the side opening is improved. .

On the peripheral surface of the rotating drum 4, a large number of permeation holes 10 that pass into the water tank 3 are formed, and stirring protrusions 11 are provided at plural positions on the inner circumferential surface. The rotary drum 4 is rotationally driven in the forward and reverse rotation directions by the motor 12 mounted on the rear side of the water tank 3. In addition, a water supply pipe (not shown) and a drainage pipe 13 are connected to the water tank 3, and the water and the drainage into the water tank 3 are controlled by the water supply valve 14 and the drain valve 15. Is done.

An operation display unit 16 is arranged at the upper center of the front frame 7 so that the user can operate the operation display unit 16 as necessary to set desired driving contents, or to start and stop the operation. You can recognize the state.

In addition, the drum type laundry dryer according to the present embodiment is provided with a function of drying the laundry contained in the rotary drum 4, and the air in the water tank 3 is evacuated, dehumidified, heated to dry air, and the water tank 3 again. The circulation blower path 17 which blows into inside) is formed.

The circulation blower path 17 has the blower heating path 18, as shown in FIG. 2 and FIG. 3, The dehumidification part 20 which arrange | positions the heat exchange plate 19 is formed in the inlet side, and the water tank 3 is the outlet side. The circulation path 22 which is connected to the warm air supply port 21 provided in the back of the is formed. In the blowing heating path 18, a blowing fan (blowing means) 23 and a heater (heating means) 24 are incorporated.

The detergent injecting case 28 is provided in the front surface of the main body 1, and the exhaust port 29 which forms the circulation air passage at the time of drying, and communicates with the dehumidification part 20 is provided in the water tank 3. As shown in FIG. The upper part of the water tank 3 is provided with a first connecting hose 31 for connecting the circulation blowing path 17 and the dehumidifying unit 20, and a seam collecting device 32 is installed at the inlet of the circulation blowing path 17. have. On the outlet side of the circulation blowing path 17, a second connecting hose 33 is provided to connect with the circulation path 22 communicating with the hot air supply port 21.

An opening sealing member 26 having substantially the same shape as the connecting opening 25 is connected to the connecting opening 25 of the blowing heating path 18 and the circulation path 22 via the rotating shaft 27 so as to be able to rotate. . The opening sealing member 26 is positioned so that the opening sealing member 26 closes the connection opening 25 in the state where the blowing fan 23 is stopped, and the blowing fan (in the state where the blowing fan 23 is rotating) The left and right weight balances around the rotary shaft 27 are maintained so that the opening sealing member 26 is rotated about the rotary shaft 27 by the wind pressure of 23 to open the connection opening 25. It is becoming.

Specifically, as shown in FIGS. 3 and 4, the opening sealing member 26 has the right side, that is, the blower fan (B) as the boundary of the rotary motion shaft 27 when the blowing heating path 18 is viewed from the lower surface side. The area Sa of the A portion, which is the side driving the connection opening 25 to the side that opens the downstream side in the wind flow direction by 23), is formed to be larger than the area Sb of the B portion on the opposite side (Sa> Sb). . Further, on the lower side of the B portion, a weight 35 is provided so that the weight Wb of the B portion is heavier than the weight Wa of the A portion (Wb> Wa).

By this structure, when the blowing fan 23 is stopped, since the weight Wb of the B portion is heavier than the weight Wa of the A portion, the opening sealing member 26 is in a state of closing the connection opening 25. On the other hand, when the blowing fan 23 is rotationally driven, since the area Sa of the A portion is larger than the area Sb of the B portion, the pressure Pa acting on the A side by the wind pressure of the blowing fan 23 acts on the B side. Since it becomes large (Pa> Pb) with respect to the pressure Pb, the opening sealing member 26 rotates to the side which opens the connection opening part 25 like a broken arrow. In addition, since the portion A is downstream of the wind flow direction and the portion B is upstream of the wind flow direction, the flow of wind is the upper side of the portion A when the opening sealing member 26 is in the open state. By pressing and keeping the lower side of the B portion pressed to open, the wind can flow using the entire surface of the connection opening 25.

In addition, as shown in FIG. 4, both end surfaces 36 of the axial direction of the rotational motion axis 27 of the opening sealing member 26 are made into substantially planar shape, and the connection opening part 25 which opposes the end surface 36 is shown. The opposing surface 37 on the side of) is also substantially planar so that the opposing faces are substantially planar with each other. Thereby, since the planes contact each other during the rotational movement of the opening sealing member 26 according to the wind pressure of the blower fan 23, the rotational movement operation is smoothly performed.

Next, the operation and operation of the drum laundry dryer will be described.

When the door 9 is opened and laundry is put into the rotating drum 4 to start operation, the feed valve 14 is opened and water is poured into the detergent inlet case 28. At this time, a predetermined amount of water is made into the water tank 3 through a water supply pipe (not shown) while flowing the detergent introduced therein, and the rotating drum 4 is driven by the motor 12 to rotate the washing stroke. Begins. The laundry of the washing administration is lifted in the rotational direction by the stirring projection 11 by the rotation of the rotary drum 4, and the stirring operation of dropping is repeated.

At this time, the amount of detergent is remarkably large, or depending on the type of detergent, a large amount of foam is produced by repeating the stirring operation of the laundry which is lifted and dropped in the rotational direction by the stirring protrusion 11 of the rotary drum 4. In this case, since the foam flows into the blowing heating path 18 from the hot air supply port 21 provided on the rear surface of the water tank 3 through the circulation path 22, the heater 24 or the blowing fan 23 It may be attached to the driving section 23a of the c) to corrode or lower the insulation performance.

However, in this embodiment, the opening sealing member 26 is provided in the connection opening part 25 which is a connection part with the circulation path 22 of the air blowing heating path 18, and the blower fan 23 stops at this time. Since it is a state, the opening sealing member 26 is located so that the connection opening 25 may be closed. Thereby, since there is almost no gap between the opening sealing member 26 and the connection opening part 25, intrusion of a thin removed product can be prevented. Next, when the heater 24 is energized and heated in a drying stroke to be described later, no debris or the like is attached to the heater 24, so that no bad odor is generated and can be used safely. In addition, it is possible to prevent corrosion of the driving unit 23a of the heater 24 and the blower fan 23 and deterioration of its insulating performance.

Next, after the required washing time, the washing water that has become dirty by opening the drain valve 15 is discharged from the drain pipe 13, and the washing liquid contained in the laundry is dehydrated by rotating the rotary drum 4 at high speed. Dehydrate Thereafter, the water is poured from the water supply pipe (not shown) into the water tank 3 to perform a rinsing stroke. Also in this rinsing stroke, the washing operation is repeated by the rotation of the rotating drum 4 by the stirring projection 11 which is lifted up and dropped, and rinsing washing is performed. When the rinsing stroke is finished, the dehydrating stroke which spins and rotates the rotating drum 4 at high speed is performed.

When the above dehydration administration ends, the process shifts to the drying administration. In the drying stroke, the rotary drum 4 is driven to rotate at a predetermined rotational speed, and the stirring operation of lifting and dropping the laundry in the rotational direction by the stirring projection 11 is repeated, and the internal air is dehumidified in the following procedure. And drying the laundry by heating.

That is, by rotationally driving the blower fan 23 provided in the blower heating path 18 arranged in the circulation blower path 17, the opening sealing member 26 rotates by the wind pressure of the blower fan 23, and the connection opening part ( 25) is opened. A flow of air is generated in the circulation blowing path 17 so that the humid air in the rotating drum 4 containing the laundry enters the water tank 3 through the permeation hole 10 and dehumidifies from the exhaust port 29 of the water tank 3. It is exhausted to the part 20. The dehumidifying unit 20 is arranged with a heat exchange plate 19 cooled by spraying of water supplied from the water feed valve 14, and the humid air exhausted from the water tank 3 is cooled while passing on the heat exchange plate 19. Moisture condenses and dehumidifies.

The dehumidified air passes through the first connecting hose 31, passes through the seams collection device 32, and lint such as seams generated during the drying operation is removed, and then enters the blowing heating path 18. Moreover, it is heated by the heater 24, it turns into dry warm air, and after passing through the 2nd connection hose 33, it is sent to the water tank 3 from the hot air supply port 21, and is circulated-fed and supplied into the rotating drum 4 after that. The circulation of this air is repeated for a predetermined time, and moisture contained in the laundry is gradually taken away and drying proceeds.

As described above, the drum type washing machine of the present embodiment opens and closes the connection opening portion 25 by rotating the opening sealing member 26 in conjunction with the driving of the blower fan 23, so that the opening sealing member 26 is at the time of drying administration. There is no resistance to the flow of air, and it is possible to prevent the infiltration of the debris products into the blowing heating path 18 during the washing operation.

The drum-type laundry dryer according to the present invention can prevent entry of the heating means in the blowing heating path and the washing-out means into the blowing means, even if the user accidentally adds too much detergent to prevent the entry of the washing-out means into the blowing means. Odor generation can be prevented, and the reliability of the heating means and the blowing means can be ensured.

Claims (5)

A rotating drum having a plurality of transmission holes formed in the circumferential wall and having a cylindrical shape and having a rotating shaft in a horizontal direction or an inclined direction, a tank elastically supported in the main body and containing the rotating drum; A dehumidifying part for dehumidifying the exhausted air, a blowing heating path communicating with the dehumidifying part and having a blowing means and a heating means therein, and a circulation path communicating with the blowing heating path and the inside of the rotary drum via the water tank. And an opening sealing member provided in the connection opening of the blowing heating path and the circulation path so as to be rotatable so as to cooperate with the driving of the blowing means. The method of claim 1, The opening sealing member has a rotational shaft, and the left and right weight balances are maintained around the rotational shaft to close the connection opening when the blowing means stops, and the connection opening is opened by the rotational movement when the blowing means is driven. Characterized by Drum laundry dryer. The method of claim 1, The opening sealing member has a rotating shaft, and the opposing face in the axial direction of the connecting opening and the rotating shaft of the opening sealing member has a substantially planar shape. Drum laundry dryer. The method of claim 1, The opening sealing member has a rotational axis of motion and is characterized by varying the area of right and left on the basis of the rotational axis of motion. Drum laundry dryer. The method of claim 1, The opening sealing member has a rotational axis of motion, and the weight is disposed on either side of the left and right sides of the rotational axis of motion. Drum laundry dryer.

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