JP2017038849A - Clothes dryer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow not only a first filter member but also a second filter member to be attached/detached easily, and to improve cleanability of the second filter member.SOLUTION: A drying filter unit provided in a circulation air passage includes: a filter accommodation part having an opening part for putting in/taking out a filter member on a top surface; a first filter member mounted in the filter accommodation part through the opening part in a detachable manner, and having a closing part for closing the opening part on the top surface, a ventilation port in which the air passing through the circulation air passage passes on the front surface, and a first lint filter part for lint capture from a lower surface to a rear surface; and a second filter member mounted in the filter accommodation part through the opening part in a detachable manner in a state where it is located on the downstream side of the first filter member, and having a second lint filter part for lint capture from a horizontal part at the lower part to a rising part at the rear part so as to correspond to the first lint filter part. The second filter member includes a knob part which can be nipped by fingers.SELECTED DRAWING: Figure 4

Description

  Embodiments described herein relate generally to a clothes dryer.

  As a clothes dryer, for example, a drum type washing and drying machine having a clothes washing function and a drying function is known. In this type of washer / dryer, a circulation air passage for circulating wind for drying clothes is provided around a water tank functioning as a drying chamber, and the lint contained in the wind flowing through the circulation air passage is provided in the circulation air passage. It is the structure which provides the dry filter unit which captures.

  As the dry filter unit, a filter housing part having an opening for inserting / removing a filter member on the upper surface and a wind passing through the inside, and a detachable attachment through the opening to capture lint contained in the passing wind A first filter member having a first lint filter portion, and a second lint filter portion that is attached to the downstream side of the first filter member in the filter housing portion and captures lint contained in the passing wind. There is a configuration in which a second filter member having the above is provided. In this case, since the lint filter section for capturing lint has two stages, it is possible to improve lint capture efficiency.

JP 2010-220946 A

  In the above-described configuration, the first filter member can be easily attached and detached. Therefore, the first lint filter portion can be easily cleaned by removing the first filter member. However, since the 2nd filter member located downstream of the 1st filter member cannot be removed easily, there is a subject that it cannot clean easily even if it tries to clean the 2nd lint filter part.

  Therefore, a clothes dryer is provided in which not only the first filter member but also the second filter member can be easily attached and detached, and the cleaning property of the second filter member can be improved.

  The clothes dryer of the present embodiment is provided with a circulation air passage for circulating a wind for drying the clothes around a drying chamber in which clothes to be dried are accommodated, and the circulation air passage flows through the circulation air passage. A drying filter unit that captures lint contained in the wind is provided. The dry filter unit has an opening for inserting / removing a filter member on the upper surface, a filter housing portion through which the air flowing through the circulation air passage passes, and a detachable attachment in the filter housing portion through the opening. A first filter member having a first lint filter portion for capturing lint from a lower surface to a rear surface; a closed portion that closes the opening; From the lower horizontal portion so as to correspond to the first lint filter portion of the first filter member, which is detachably attached to the filter housing portion through the opening in a state of being positioned downstream of the filter member. And a second filter member having a second lint filter part for capturing lint over a rear rising part. The second filter member is provided with a knob portion that can be picked with fingers.

1 is an external perspective view of a washing / drying machine according to the first embodiment. Longitudinal side view schematically showing the inside of the washing and drying machine Perspective view with the filter cover of the part incorporating the dry filter unit opened Exploded perspective view of drying filter unit Vertical side view with the dry filter unit installed The perspective view which looked at the 2nd filter member from the slanting upper part Longitudinal side view with the second filter member attached to the filter housing portion The perspective view of the state which looked at the 1st filter member from the lower back side FIG. 6 equivalent diagram showing the second embodiment. FIG. 7 shows the third embodiment and is a view corresponding to FIG. 7 with a screw attached as a knob portion.

Hereinafter, a clothes dryer according to a plurality of embodiments will be described with reference to the drawings. In addition, in each embodiment, the same code | symbol is attached | subjected to the substantially same component, and description is abbreviate | omitted.
(First embodiment)
First, a first embodiment will be described with reference to FIGS. 1 and 2 show a schematic configuration of a drum-type washing / drying machine 1 as a clothes dryer. This washing / drying machine 1 has a laundry washing function and a drying function. The outer box 2 of the washing / drying machine 1 has a substantially rectangular box shape, and the front surface portion 2a is inclined slightly downward. The front surface portion 2a is provided with a laundry entrance 3 and a door 4 for opening and closing the laundry entrance 3 is rotatably provided.

  An operation panel 5 is provided in front of the upper surface portion 2 b of the outer box 2. The operation panel 5 includes a power on button 6, a power off button 7, and a touch panel 8. The power is turned on by pressing the power on button 6, and the power is turned off by pressing the power off button 7. The touch panel 8 has a function as an input unit that receives various inputs by the user and a function as a display unit that performs various displays for the user, and can set a driving course and the like.

  A water tank 9 (see FIG. 2) is disposed in the outer box 2 in a state where it is elastically supported by a suspension (not shown). The water tank 9 has a cylindrical shape, and the rear surface is closed by a water tank end plate 10. The aquarium 9 is disposed in such a state that the axis of the water tank 9 is oriented in the lateral direction facing the front-rear direction and slightly forwardly inclined, and the front opening 9 a is connected to the laundry doorway 3 via the bellows 11. Although not shown in detail, the washing / drying machine 1 is provided with a water supply mechanism for supplying water into the water tank 9, and the water supplied into the water tank 9 is stored in the water tank 9. A drain port 12 is provided at the bottom of the rear portion of the water tank 9, and a drain pipe 14 is connected to the drain port 12 via a drain valve 13. As the drain valve 13 is opened, the water stored in the water tank 9 is discharged to the outside through the drain pipe 14.

  A rotating tank 15 is rotatably disposed in the water tank 9. As with the water tank 9, the rotating tank 15 has a cylindrical shape whose rear surface is closed by the rotating tank end plate 16, and the axis of the rotating tank 15 is disposed sideways in the front-rear direction and in a slightly upwardly inclined state. Has been. The front opening 15a of the rotating tub 15 communicates with the front opening 9a of the water tub 9 and the laundry entrance / exit 3, and by opening the door 4, the laundry entrance / exit 3, the front opening 9a of the water tub 9, and Clothing can be taken in and out of the rotary tank 15 through the front opening 15a of the rotary tank 15. Therefore, clothes to be washed and dried are accommodated in the rotary tank 15 so as to be put in and out.

  A number of holes 17 are formed in the peripheral wall portion of the rotary tank 15 and the rotary tank end plate 16. The hole 17 functions as a water passage hole that allows water to move between the water tank 9 and the rotary tank 15 when washing is too easy in the washing operation, functions as a dewatering hole during dehydration, and during the drying operation. It functions as a vent hole that allows air to move.

  A motor 18 is provided on the back surface of the water tank 9. In this case, the motor 18 is constituted by an outer rotor type DC brushless motor, and a rotating shaft 19 thereof penetrates the water tank end plate 10 and is connected to the rotary tank end plate 16. The rotary tank 15 is directly driven to rotate by a motor 18. The water tank 9 functions as a drying chamber for storing clothes to be dried during the drying operation.

  In the outer box 2, a circulation air passage 20 is provided around the water tank 9. In this case, the circulation air passage 20 includes an exhaust duct 21, a filter housing portion 23 of the drying filter unit 22, an intermediate duct 24, a heat pump duct 25, and an air supply duct 26. The water tank 9 is provided with an exhaust port 27 located at the upper right portion when viewed from the front, and one end portion of an exhaust duct 21 constituting one end portion of the circulation air passage 20 is connected to the exhaust port 27. Yes. A rear end portion of the exhaust duct 21 is connected to the filter housing portion 23 of the dry filter unit 22 from the front. The dry filter unit 22 will be described in detail later.

  An intermediate duct 24 communicates with the rear portion of the filter housing portion 23. An end portion of the intermediate duct 24 extends downward from the rear and is connected to one end portion of a heat pump duct 25 disposed below the water tank 9. An evaporator 29 and a condenser 30 of the heat pump 28 are accommodated in the heat pump duct 25.

  Here, the heat pump 28, as is well known, includes a compressor (not shown) that compresses and discharges the refrigerant, a condenser 30 that condenses and liquefies the high-temperature and high-pressure refrigerant discharged from the compressor, A throttling device (not shown) for adjusting the flow rate of the refrigerant liquefied by the condenser 30 and an evaporator 29 for evaporating the refrigerant passing through the throttling device are configured by cycle connection with piping. Constitutes a cycle. Among these, the condenser 30 functions as a heating unit that heats the air flowing in the heat pump duct 25, and the evaporator 29 functions as a dehumidifying unit that cools and dehumidifies the air flowing in the heat pump duct 25. In the heat pump duct 25, the evaporator 29 is disposed near the connection portion with the intermediate duct 24, and the condenser 30 is disposed near the air supply duct 26.

  A blower 31 is disposed at a connection portion between the heat pump duct 25 and the air supply duct 26. The blower 31 includes a fan casing 32, a fan 33 disposed in the fan casing 32, and a fan motor 34 that rotationally drives the fan 33, and the air inlet 32 a of the fan casing 32 is a heat pump duct 25. The discharge port 32b is directed upward and connected to the lower end of the air supply duct 26. The upper end portion of the air supply duct 26 extends with the back side of the water tank 9 facing upward, and is connected to an air supply port 35 provided in the upper part of the water tank end plate 10.

  Next, the dry filter unit 22 will be described with reference to FIGS. The filter housing part 23 in the dry filter unit 22 is arranged at the upper right part in the outer box 2 and has a rectangular opening 36 for inserting and removing the filter member on the upper surface as shown in FIG. As described above, the front surface communicates with the exhaust duct 21, the rear surface communicates with the intermediate duct 24, and the interior is in a hollow state. An opening 57 is formed in a portion corresponding to the dry filter unit 22 in the upper surface 2 b of the outer box 2, and the opening 36 of the filter housing portion 23 communicates with the opening 57.

  In the filter accommodating part 23, the 1st filter member 37 and the 2nd filter member 38 are attached through the said opening part 36 so that attachment or detachment is possible. Of these, the first filter member 37 includes a filter main body 39 having a box shape and a concave closed portion 40 (see FIG. 5) at the top, and a filter panel 41 mounted on the closed portion 40 from above. ing. The filter panel 41 is provided with a handle portion 41a having a rectangular opening, and the first filter member 37 is entirely attached to the filter housing portion 23 by inserting and grasping fingers into the handle portion 41a. Can be put in and out. The filter main body 39 has side wall portions 39a and 39b on both right and left sides, a rectangular ventilation port 42 on the front surface, and a first lint filter portion 43 for capturing lint from the lower surface to the rear surface (see FIGS. 5 and 5). 8). The first lint filter portion 43 has an L shape.

  The second filter member 38 is disposed below the filter main body 39 in the first filter member 37. As shown in FIGS. 5 to 7, the second filter member 38 has a first lint capturing portion extending from the lower horizontal portion 38 a to the rear rising portion 38 b so as to correspond to the first lint filter portion 43. It has two lint filter portions 44 and has an L shape when viewed from the side. The second filter member 38 has a first engagement portion 45 at the front end portion of the horizontal portion 38a, and a second engagement portion 46 (see FIG. 7) at the rear portion of the upper portion of the rising portion 38b. And it has the knob part 47 which protrudes upwards in the center part of the upper part of the rising part 38b.

  Among these, the 1st engaging part 45 is comprised by the nail | claw shape which can be elastically deformed, and is provided in three places of the front-end part of the horizontal part 38a. The second engaging portion 46 is configured in a groove shape having an upper portion opened. The knob portion 47 has a tongue-like shape protruding upward, and is configured so that the user can pick it up with fingers. As shown in FIG. 7, the second filter member 38 is disposed at the lower part in the filter housing part 23, and the first engaging part 45 at the lower front part is replaced with the engaging part 48 on the filter housing part 23 side. At the same time, the second engaging portion 46 at the upper rear portion is engaged with the engaging portion 49 on the filter housing portion 23 side, so that the filter housing portion 23 is detachably attached.

  As shown in FIG. 7, a concave portion 50 is formed on the filter housing portion 23 side so as to be positioned on the back side of the knob portion 47 in the second filter member 38 attached to the filter housing portion 23. ing. The user can insert his / her finger into the recess 50 to push the knob portion 47 forward. A screw attachable portion 51 (see FIG. 6) is provided at the center of the front portion of the horizontal portion 38a in the second filter member 38. In this case, the screw is not attached to the screw attachable portion 51 and is closed.

  In the filter main body 39 of the first filter member 37, a fixing portion 52 (see FIG. 8) is provided at the rear portion thereof, and pressing portions 53 are provided on both the left and right sides of the lower front portion. The fixed portion 52 is provided with a mountain-shaped convex portion 52a that protrudes rearward. The pressing portion 53 has a convex shape that protrudes downward. As shown in FIG. 5, the first filter member 37 is inserted into the filter housing portion 23 with the second filter member 38 attached to the filter housing portion 23, and the convex portion of the fixing portion 52 at the rear upper portion is inserted. The first filter member 37 is attached in the filter housing portion 23 by inserting 52 a into the recess 50. In this attached state, the pressing portion 53 at the lower front portion presses the front portion of the horizontal portion 38a of the second filter member 38 from above. In this state, the closing portion 40 and the filter panel 41 in the first filter member 37 close the opening portion 36 of the filter housing portion 23.

  Here, the air flowing through the circulation air passage 20 during the drying operation flows from the exhaust port 27 to the exhaust duct 21, the filter housing portion 23 of the drying filter unit 22, the intermediate duct 24, and the heat pump duct 25, as indicated by arrows in FIG. 2. Then, the air flows through the air supply duct 26 in order. In the filter housing part 23, as indicated by an arrow in FIG. 5, the air passes through the first lint filter part 43 and the second lint filter part 44 in order. Therefore, the second filter member 38 having the second lint filter portion 44 is disposed on the downstream side of the first filter member 37. The second lint filter unit 44 has finer eyes than the first lint filter unit 43 and can capture lint that has passed through the first lint filter unit 43.

  A filter cover 54 for opening and closing the filter panel 41 in the first filter member 37 is provided on the upper surface portion 2 b of the outer box 2. The filter cover 54 is attached so as to be rotatable in the vertical direction with a shaft portion 55 at the rear end as a fulcrum. At the front part of the filter cover 54, a handle 56 is formed by a notch.

  Although not shown, a control device mainly composed of a microcomputer is provided in the outer box 2. This control device has a control program, and based on the input of the input unit of the touch panel 8 in the operation panel 5, signals from various sensors, and the control program, the display unit of the touch panel 8, the motor 18, the water supply mechanism, It has a function of controlling the drain valve 13, the compressor of the heat pump 28, the blower 31, and the like.

Next, the operation of the above configuration will be described.
When drying clothes (not shown) accommodated in the rotating tub 15, the door 4 is closed, and the first filter member 37 and the second filter member 38 are attached in the filter accommodating portion 23, and The filter cover 54 is closed, and the control device executes a drying operation. In the drying operation, the rotary tank 15 is appropriately rotated by the motor 18, the compressor of the heat pump 28 is driven, and the blower 31 is further driven.

  Among these, the clothes in the rotating tank 15 are agitated by appropriately rotating the rotating tank 15. By driving the compressor of the heat pump 28, heat is radiated from the condenser 30, and the ambient air is cooled by the evaporator 29. Further, by driving the blower 31, as indicated by an arrow in FIG. 2, the warm air heated by the condenser 30 in the circulation air passage 20 passes through the air supply duct 26 and passes through the air supply port 35 to enter the drying chamber. It is supplied into the water tank 9 to be formed, and thus into the rotary tank 15. The warm air supplied into the rotary tank 15 contacts the clothing to warm the clothing and removes moisture from the clothing.

  The air containing moisture is discharged from the exhaust port 27 to the exhaust duct 21 side of the circulation air passage 20. The air discharged to the exhaust duct 21 side passes through the filter housing portion 23 in the dry filter unit 22, passes through the intermediate duct 24, and enters the heat pump duct 25. The air that has entered the heat pump duct 25 is cooled and dehumidified when passing through the evaporator 29. The dehumidified air is heated again by the condenser 30 and supplied from the air supply port 35 into the water tank 9 and then into the rotary tank 15. By repeating this, the clothes in the rotating tub 15 are dried.

  Along with this drying, lint (waste lint) coming out of the clothes is also discharged from the exhaust port 27 to the circulation air passage 20 side. The lint discharged from the exhaust port 27 to the circulation air path 20 side is first captured by the first lint filter unit 43 when passing through the filter housing unit 23 of the drying filter unit 22, and the first lint Fine lint that has passed through the filter unit 43 is also captured by the second lint filter unit 44. As a result, most of the lint discharged to the circulation air passage 20 side is captured by the first lint filter unit 43 and the second lint filter unit 44, so that the lint capture efficiency can be improved. It becomes possible.

  In such a washing / drying machine 1, if the first lint filter unit 43 and the second lint filter unit 44 are clogged, the amount of circulating air flowing through the circulation air passage 20 decreases and drying efficiency decreases. It is necessary to periodically clean the first lint filter portion 43 and the second lint filter portion 44.

  When cleaning these lint filter parts 43 and 44, with the operation of the washing and drying machine 1 stopped and the power turned off, the user first opens the filter cover 54 on the upper surface part 2b of the outer box 2, The first filter member 37 is lifted by placing a hand on the handle portion 41 a of the first filter member 37 and taken out from the filter housing portion 23. Thereafter, the user inserts his / her hand into the filter housing portion 23 and tilts the knob portion 47 of the second filter member 38 toward the front side using the concave portion 50, whereby the rear engaging portion 49. The second engagement portion 46 is disengaged from the first engagement portion 45 and the first engagement portion 45 is disengaged from the lower front engagement portion 48. Thereafter, the knob portion 47 is picked to lift the second filter member 38 and take out from the filter housing portion 23. And the 1st lint filter part 43 of the taken out 1st filter member 37 and the 2nd lint filter part 44 of the 2nd filter member 38 are cleaned.

  When the cleaning is completed, first, the second filter member 38 is inserted into the filter housing portion 23 to engage the first engagement portion 45 at the front portion with the engagement portion 48 and the second engagement at the rear portion. The second filter member 38 is attached in the filter housing portion 23 by engaging the portion 46 with the engaging portion 49. Thereafter, the first filter member 37 is inserted into the filter housing portion 23 with the hand held on the handle portion 41 a of the first filter member 37, and the convex portion 52 a of the rear fixing portion 52 is inserted into the concave portion 50. While being inserted, the entire first filter member 37 is pushed downward. As a result, the first filter member 37 is attached in the filter housing portion 23. Thereafter, the filter cover 54 is closed.

According to the above-described embodiment, the following operational effects can be obtained.
First, a configuration in which a first filter member 37 having a first lint filter portion 43 and a second filter member 38 having a second lint filter portion 44 are attached to the filter housing portion 23 in the dry filter unit 22. By doing so, the lint filter portions 43 and 44 have a double structure, and the lint capture efficiency can be improved.

  Moreover, since both the first filter member 37 and the second filter member 38 are detachable from the filter housing portion 23, they can be easily taken out and cleaned. In addition, since the second filter member 38 positioned downstream of the first filter member 37 is provided with a knob portion 47, the second filter member 38 can be attached and detached by using the knob portion 47. The operation can be made easier, and the cleaning property thereof can be further improved.

  The second filter member 38 has a first engagement portion 48 that is engaged with the filter housing portion 23 in a state of being attached to the filter housing portion 23, and a second engagement portion 48 at the front portion of the lower horizontal portion 38a. Since the portion 49 is provided on the upper portion of the rear rising portion 38b, the portion 49 is fixed in the front-rear direction and the vertical direction, and can be fixed in a stable state.

  Since the concave portion 50 is provided in the portion corresponding to the knob portion 47 in the filter housing portion 23, it is easy to put a finger on the knob portion 47 by using the concave portion 50, thereby the second filter member. 38 can be more easily attached and detached.

  In a state where the second filter member 38 is disposed in the filter housing portion 23, the engagement of the first engagement portion 45 and the second engagement portion 46 in the second filter member 38 is incomplete (non-engagement). State), the first engagement member 45 and the second engagement portion 46 are brought into the engagement state by attaching the first filter member 37 into the filter housing portion 23 and pushing the whole. It becomes possible to make it.

(Second Embodiment)
A second embodiment will be described with reference to FIG. This second embodiment differs from the first embodiment in the following points. That is, in the second filter member 38, a knob portion 60 that protrudes in a horizontal state toward the front is provided on the upper portion of the rising portion 38b. According to this, since the knob part 60 protrudes in a horizontal state, the knob part 60 can be more easily picked up with fingers, and the second filter member 38 can be further easily taken out.

(Third embodiment)
A third embodiment will be described with reference to FIG. The third embodiment differs from the first embodiment in the following points. That is, in the second filter member 38, the screw 62 made of a decorative screw is attached to the screw attachable portion 51 provided at the front portion of the horizontal portion 38a. The screw 62 has a short columnar head portion 62b on the upper portion of the screw shaft 62a. When attaching the screw 62, a screw attachment hole is formed in the screw attachable portion 51 in advance, and the screw shaft 62a is screwed into the screw attachment hole from above and attached. When the screw 62 is attached, the head 62b protrudes upward from the horizontal portion 38a. Therefore, in this embodiment, the knob portion of the second filter member 38 is constituted by a screw 62 that can grip the head 62b with fingers. According to this, the head 62b of the screw 62 can be used as a knob.

(Other embodiments)
The washing / drying machine may be of a so-called vertical axis type in which the axes of the water tank and the rotating tank are oriented in the vertical direction. Moreover, as a clothes dryer, the thing of the structure which is not equipped with the washing function may be sufficient.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  In the drawings, 1 is a washing dryer (clothing dryer), 2 is an outer box, 9 is a water tank (drying chamber), 15 is a rotating tank, 18 is a motor, 20 is a circulation air passage, 22 is a drying filter unit, and 23 is Filter housing part, 27 is an exhaust port, 28 is a heat pump, 31 is a blower, 35 is an air supply port, 36 is an opening, 37 is a first filter member, 38 is a second filter member, 38a is a horizontal part, 38b is a rising portion, 39 is a filter main body portion, 40 is a closing portion, 41 is a filter panel, 42 is a vent, 43 is a first lint filter portion, 44 is a second lint filter portion, and 45 is a first engagement. 46, second engaging portion, 47, knob portion, 48, 49, engaging portion, 50, concave portion, 52, fixing portion, 53, pressing portion, 54, filter cover, 60, knob portion, 62 Denotes a screw (knob portion), and 62b denotes a head.

Claims (6)

A circulation air passage for circulating a wind for drying the clothes is provided around a drying chamber in which clothes to be dried are accommodated, and the circulation air passage is used to capture lint contained in the wind flowing through the circulation air passage. In a clothes dryer configured to provide a filter unit,
The drying filter unit is
A filter housing portion having an opening for inserting and removing the filter member on the upper surface, through which the air flowing through the circulation air passage passes;
The filter housing is detachably attached to the filter housing through the opening, a closed portion that closes the opening on the upper surface, a ventilation port through which the wind passing through the circulation air passage passes on the front surface, and a first for capturing lint from the lower surface to the rear surface A first filter member having a lint filter portion;
The first filter member is detachably attached to the filter housing portion through the opening in a state of being positioned downstream of the first filter member, and the lower portion of the first filter member corresponds to the first lint filter portion. A second filter member having a second lint filter part for capturing lint from a horizontal part to a rear rising part,
A clothes dryer, wherein the second filter member is provided with a knob portion that can be picked with fingers.   The said 2nd filter member is equipped with the engaging part engaged with the said filter accommodating part in the attachment state to the said filter accommodating part in the front part of the said horizontal-shaped part, and the upper part of the said rising part. Clothes dryer.   The clothes dryer according to claim 1 or 2, wherein the filter housing portion is provided with a recess at a portion corresponding to the knob portion.   The clothes dryer according to any one of claims 1 to 3, wherein the knob portion protrudes in a horizontal direction.   The clothes dryer according to any one of claims 1 to 4, wherein the knob portion is formed of a screw that can be gripped by a finger.   When the first filter member is attached in a state where the second filter member is disposed in the filter housing portion, the second filter member is brought into an engaged state from the non-engaged state with respect to the filter housing portion. The clothes dryer according to any one of claims 1 to 5.

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