JP2022153777A - Foreign material catching device and washing machine - Google Patents

Abstract

To provide a foreign material catching device capable of easily removing foreign materials collected without detaching a sheet and directly touching a sheet.SOLUTION: A foreign material catching device installed in the middle of a drain passage in a washing machine comprises a plurality of protrusions for collecting foreign materials, a sheet to be mounted to the plurality of protrusions, and a movable mechanism for moving the sheet.SELECTED DRAWING: Figure 14

Description

TECHNICAL FIELD The present invention relates to a foreign matter collecting device for collecting foreign matter and a washing machine provided with the foreign matter collecting device.

Conventionally, a washing machine is provided with a filter that collects lint discharged from the laundry. In this filter portion, the lint is collected by entangling it with a grid or projections so that the lint can be easily removed.

As an example of a configuration for removing, as in Patent Document 1, a rectangular water-permeable sheet is attached along the base surface of a projection-shaped projection, and foreign matter entangled at the base of the projection can be easily removed by removing the water-permeable sheet. There are parts where lint can be removed.

JP 2018-153374 A

When removing the seat, there is a possibility of touching the seat directly, which is unsanitary. Also, when attaching the seat, it is difficult to match the plurality of protrusions to the shape of the seat.

SUMMARY OF THE INVENTION An object of the present invention is to provide a contaminant collecting device capable of easily removing collected contaminants without removing the sheet and without directly touching the sheet.

In order to solve the above problems, the present invention provides a foreign matter trapping device provided in the middle of a drainage path of a washing machine, comprising: a plurality of protrusions for trapping foreign matter; and a sheet attached to the plurality of protrusions. , and a movable mechanism for moving the seat.

ADVANTAGE OF THE INVENTION According to this invention, the foreign material collection apparatus which can remove the collected foreign material easily can be provided, without removing a sheet|seat and without touching a sheet|seat directly.

1 is an external perspective view showing a washing and drying machine according to the present invention; FIG. FIG. 2 is a side view schematically showing the internal structure of the casing of the washing and drying machine according to the present invention; FIG. 2 is a rear view schematically showing the internal structure of the housing of the washing and drying machine according to the present invention; FIG. 3 is a perspective view showing a first circulation pump and peripheral channels of the washing/drying machine of the present invention; FIG. 4 is a perspective view of the periphery of the filter case of the present invention viewed from another angle; It is a figure which shows one structural example of the foreign material collection part of this invention. FIG. 6 is a diagram showing a cross section taken along line AA' of FIG. 5; It is the figure which looked at the foreign material collection part at the time of collecting the foreign material from the side and the upper surface. FIG. 7 is a view showing a BB′ section of FIG. 6; It is the figure which looked at the foreign material collection part at the time of collecting the foreign material from the side and the upper surface. FIG. 4 is an enlarged view of another embodiment of the foreign matter collecting portion of the present invention; FIG. 5 is a diagram showing another configuration example of the foreign matter collecting portion according to the present invention; FIG. 4 is a diagram showing one configuration example of a sheet of the foreign matter collecting portion according to the present invention; FIG. 4 is a view showing an appearance of a mechanism for moving the sheet of the foreign matter collecting portion according to the present invention; FIG. 15 is a view showing a CC′ section of FIG. 14; It is a figure explaining operation|movement of the movable mechanism of the foreign material collection part of this invention.

Next, a drum-type washing/drying machine (washing/drying machine) according to an embodiment of the present invention will be described in detail with reference to the drawings as appropriate. Note that the front, rear, up, down, left, and right directions in the following description are based on the front, rear, up, down, left, and right directions shown in FIG.

FIG. 1 is an external perspective view showing a washing/drying machine according to this embodiment.
As shown in FIG. 1, a washer/dryer S, which is a washing machine, includes a housing 1 forming an outer shell. The housing 1 is composed of left and right side plates 1a and 1b, a front cover 1c, a rear cover 1d (see FIG. 2), an upper cover 1e, a lower front cover 1f and a base 1h. The housing 1 has left and right side plates 1a and 1b connected by a U-shaped upper reinforcing member (not shown), a front reinforcing member (not shown), and a rear reinforcing member (not shown). It has a box shape including

A door 9 is provided substantially in the center of the front cover 1c to block the loading port for loading and unloading the laundry. An operation panel 6 having a power switch 39, operation switches 13 and 15, a display 14, and the like is provided at the center of the upper portion of the front cover 1c. This operation panel 6 is electrically connected to a control device 60 (see FIG. 2) provided at the bottom of the housing 1 .

FIG. 2 is a side view schematically showing the internal structure of the casing of the washing and drying machine of this embodiment.
As shown in FIG. 2, the washing/drying machine S includes a housing 1, an outer tub 2 supported in the housing 1 for vibration isolation, and a rotary drum rotatably supported in the outer tub 2. 3, a drum motor 4 (see FIG. 3) which is a motor for rotationally driving the rotating drum 3, an air blowing unit 51, and an inlet through which air (warm air) generated by the air blowing unit 51 is blown into the rotating drum 3. A blowout port 52, a first detergent solution supply means 53 for supplying the detergent solution into the rotating drum 3, and a second detergent solution supply means (detergent solution supply means) 54 for supplying the detergent solution to the upstream side of the blowout port 52. , tap water supply means 55 (not shown) for supplying tap water (clear water) to the upstream side of the outlet 52 , and a control device 60 . Note that the detergent liquid supply means 53 and 54 may supply a high-concentration detergent liquid. A high-concentration detergent solution means a detergent solution with a higher concentration (e.g., 8 times) than the concentration of the detergent solution in the washing process.

The outer tank 2 has a cylindrical shape, coaxially encloses the rotating drum 3, and has an open front surface. An outer tank cover 2d that enables water to be stored in the outer tank 2 is provided at the front opening. Further, the lower side of the outer tub 2 is supported for vibration isolation by a damper 5 fixed to the base 1h. A rubber bellows 10 is provided at the opening of the outer tub 2 (outer tub cover 2 d ), and the outer tub 2 is water-sealed by closing the door 9 .

The rotating drum 3 is a rotatably supported cylindrical washing and dehydrating tub, and has a large number of through holes (not shown) for water flow and ventilation in its outer peripheral wall and bottom wall, and a front end face. is provided with an opening 3a for loading and unloading laundry. A fluid balancer 3c that rotates integrally with the rotating drum 3 is provided on the outer peripheral side of the opening 3a. A lifter 3b for lifting the laundry is provided on the inner peripheral wall of the rotating drum 3. As shown in FIG. Further, the rotation center axis of the rotating drum 3 is horizontal or inclined so that the opening 3a side is higher.

The blower unit 51 includes a blower 51a and a heater 51b, and is fixed to a reinforcing member (not shown) inside the housing 1. As shown in FIG. The blower 51a includes a driving motor 24a (fan motor), a fan impeller 24b (not shown), and a fan case 24c. A heater 51b is built in the fan case 24c and heats the air sent from the fan impeller 24b. The heater 51b is composed of a PTC (Positive Temperature Coefficient) heater or the like.

A discharge port 51 c of the blower unit 51 is connected to the warm air duct 26 . The hot air duct 26 is connected to a corrugated tube 27 made of rubber, and the corrugated tube 27 is connected via a corrugated tube joint 28 to an outlet 52 provided in the outer tank cover 2d.

The first detergent solution supply means 53 includes a first circulation pump 53a, a bellows hose 53b1 and a supply channel 53b2 (partially (illustration omitted).

The second detergent liquid supply means 54 includes a second circulation pump 54a and a supply pipe 54b that supplies the detergent liquid pumped up by the second circulation pump 54a to the upstream side of the outlet 52. . The second circulation pump 54a pumps up the high-concentration detergent solution at a flow rate lower than that of the first circulation pump 53a. The supply pipe 54b is configured by a channel having a diameter smaller than that of the supply pipe 53b. In this embodiment, the second detergent liquid supply means 54 is not necessarily required as the detergent liquid supply means, and one of the first detergent liquid supply means 53 may be used.

A drying duct 29 is arranged inside the rear surface of the housing 1 . The drying duct 29 is connected to an air inlet provided at the rear of the outer tub 2 via a rubber bellows hose 29a. A known water cooling dehumidification mechanism (not shown) is incorporated in the drying duct 29 . A heat pump may be used instead of the heater and the water-cooling dehumidifying mechanism.

The drain hose 19 has one end connected to the water outlet port of the first circulation pump 53a and the other end extending out of the machine. Further, the drain hose 19 is provided with a drain valve 25 in the middle of its extension inside the machine.

FIG. 3 is a rear view schematically showing the internal structure of the housing of the washing and drying machine of this embodiment.
As shown in FIG. 3, a water inlet 2a for supplying water and detergents into the outer tub 2 is provided at the rear portion of the side surface of the outer tub 2. As shown in FIG. The water supply port 2a is connected to the detergent tray 7 (see FIG. 1) by a rubber bellows hose 17. As shown in FIG.

The drum motor 4 is attached to the outer center of the rear end face of the outer tub 2 . A rotating shaft of the drum motor 4 passes through the outer tub 2 and is connected to the rotating drum 3 .
Water supply-related parts such as a water supply electromagnetic valve 11, a bath water suction pump 12, and a water level sensor 34 (not shown) are provided in the upper rear part of the outer tub 2. As shown in FIG. The top cover 1e is provided with a water supply hose connection port 11a from a tap and a water absorption hose connection port 12a for remaining bath water. A water level sensor (not shown) detects the water level in the outer tank 2, is provided at the bottom of the rear end face of the outer tank 2, and is composed of a known air trap (not shown) and tube (not shown). It is The water supply solenoid valve 11 includes a main water supply solenoid valve 11b, a finishing agent water supply solenoid valve 11c, a cooling water water supply solenoid valve 11d, a mist water supply solenoid valve 11e, and the like.

The main water supply solenoid valve 11b supplies water to the outer tank 2 by passing tap water from the water supply hose connection port 11a through a detergent charging chamber (not shown) of the detergent tray 7 (see FIG. 1). The tap water supplied to the detergent charging chamber is injected into the outer tub 2 through the bellows hose 17 together with the charged detergent. The finishing agent water supply electromagnetic valve 11c supplies tap water from the water supply hose connection port 11a to the finishing agent charging chamber (not shown) of the detergent tray 7 (see FIG. 1) through a water supply path (not shown). The tap water poured into the finishing agent charging chamber is poured into the outer tub 2 through the bellows hose 17 together with the charged finishing agent (softener).
The cooling water supply electromagnetic valve 11d supplies tap water from the water supply hose connection port 11a to the water cooling dehumidification mechanism (not shown) of the drying duct 29 through a water supply path (not shown).

The mist water supply solenoid valve 11e supplies tap water from the water supply hose connection port 11a to the upstream side of the blowout port 52 (see FIG. 2) through the water supply pipe 55a (not shown).

FIG. 4 is a perspective view showing the filter case 23 and peripheral flow paths of the washer/dryer. As shown in FIG. 4, the first circulating pump 53a includes a casing 42 integrally formed with the filter case 23 and a circulating pump motor 47. As shown in FIG. Discharge ports 44 and 45 are formed in the casing 42 . Also, the hose 22 is connected to a drain port (not shown).

The discharge port 45 is connected to the joint 18a via the bellows hose 40. As shown in FIG. The joint 18a is provided in an inlet 18 formed to face the recessed portion 2f at the bottom of the outer tub 2. As shown in FIG. The filter case 23 is provided in the middle of a drainage path for draining water from the outer tub 2 to a drainage port (not shown), and is also provided in the middle of the circulation path of the circulation pump motor 47 .

FIG. 5 shows the configuration of the periphery of the filter case 23 viewed from another angle. FIG. 6 shows the configuration of a foreign matter collecting portion 231, which is a foreign matter collecting device inside the filter case 23. As shown in FIG. 6(a) is a perspective view of the foreign matter collecting portion 231, and FIG. 6(b) is a top view of the foreign matter collecting portion 231. FIG.

A foreign matter collecting portion 231 for collecting foreign matter such as lint and lint has a plurality of projections 70 from the bottom surface. By entangling the foreign matter with these protrusions 70, the foreign matter can be efficiently collected. In addition, since the foreign matter entangled in the protrusion 70 can be removed toward the tip of the protrusion 70, the foreign matter can be easily cleaned, and the cleanability is improved.

FIG. 7 shows a cross-sectional view taken along line AA' of FIG. Water flowing from the outer tub 2 passes through the inside of the filter case 23 . The passing water is drained through the drain hose 22 or circulated by the circulation pump motor 47 . At this time, since the flowing water always passes through the inside of the filter case 23, the lint coming out from the outside of the rotating drum 3 can also be collected. In FIG. 7, water is circulated through the circulation holes 471 from the front side to the back side of the paper surface.

Here, when the height of the protrusions 70 is the same and the density of arrangement of the protrusions 70 is high, as shown in the image of FIG. Clogging may occur. Here, FIG. 8(a) is a side view of the foreign matter collecting portion 231, and FIG. 8(b) is a top view of the foreign matter collecting portion 231. As shown in FIG.

Further, as shown in FIG. 9 (however, the filter case 23 is also shown) which is a BB' cross-sectional view of FIG. A first protrusion 71 having a first height 71 h and a second protrusion 72 h having a second height lower than the first height arranged in an inner region 721 that is a region inside the foreign matter collecting portion 231 . 2 projections 72 are provided. As a result, the lint accumulates in the area inside the foreign matter collecting portion 231 where the second protrusion 72 is arranged. The image is shown in FIG. 10(a) is a top view of the foreign matter collecting portion 231, and FIG. 10(b) is a side view of the foreign matter collecting portion 231. FIG. In this way, clogging of the pipe can be suppressed.
The presence of the second protrusions 72 improves the collection performance, but the second protrusions 72 may be omitted.

FIG. 11 shows an enlarged view of another example of the foreign matter collecting portion 231. As shown in FIG. Reinforcing ribs 80 for reinforcement are provided on the outer periphery. Further, the reinforcing rib 80 is provided with a slit shape for draining water. As a result, water can be drained from the foreign matter collecting portion 231 . Furthermore, the drain shape is not, for example, a round hole, but a slit shape 81 having an opening 82 on the upper side. It can be removed easily, and the deterioration of cleanability can be suppressed.

Further, among the first protrusions 71, a protrusion 71a having a low height is provided on the tip end side of the foreign matter collecting portion 231. As shown in FIG. As a result, when the user attaches the filter case 23, it is possible to prevent incorrect assembly so that the user does not attach the filter case 23 in the wrong direction.

As described above, according to the present embodiment, the foreign matter collecting portion 231 is provided with a plurality of protrusions 70, so that foreign matter can be efficiently collected.

In addition, the first protrusion 71 having the first height 71 h arranged in the outer peripheral region 711 of the foreign matter collecting portion 231 and the first height 71 h arranged in the inner region 721 of the foreign matter collecting portion 231 are higher than the first height 71 h. By providing the second projecting portion 72 having a low second height 72h, clogging of pipes can be suppressed and collection performance can be ensured.

Further, by providing a reinforcing rib 80 for reinforcement on the outer periphery, the strength of the foreign matter collecting portion 231 can be ensured, and by providing a slit shape 81 having an opening 82 in the reinforcing rib 80, deterioration of cleanability can be prevented. can be suppressed.

Further, by providing the projection 71a having a low height on the tip end side of the foreign matter collecting portion 231 among the first projections 71, it is possible to suppress misassembly.

Next, FIG. 12 shows the configuration of the foreign matter collecting portion 231 according to the second embodiment. FIG. 12 is a top view of the foreign matter collecting portion 231. As shown in FIG. A different point from FIG. 6 and the like is that the density of arrangement of the projections 70 in the outer area 711 and the inner area 721 is different.

The density at which the first protrusions 71 are arranged in the outer region 711 is higher than the density at which the second protrusions 72 are arranged in the inner region 721 . That is, the interval at which the first projections 71 are arranged in the outer region 711 (the distance between the first projections 71) is the same as the interval at which the second projections 72 are arranged in the inner region 721 (the distance between the first projections 71). distance between the second protrusions 72).

According to the present embodiment, the clogging of the pipe is suppressed by the second protrusions 72 having a low density, and the collection performance is improved by the first protrusions 71 having a high density.
Although the projections 70 are arranged in a staggered pattern as shown in FIGS. 6 and 12, the present invention is not limited to this, and may be arranged in a grid pattern, for example.

Next, FIG. 13 shows the configuration of the foreign matter collecting portion 231 and the sheet 90 of the foreign matter collecting device of the present invention.
When the lint accumulates in the foreign matter collecting portion 231, it becomes difficult to remove the lint at the base of the protrusion 70 of the foreign matter collecting portion 231. As shown in FIG. Therefore, a vertically movable sheet 90 is attached to the bottom surface of the protrusion 70 . By moving the sheet 90 upward from the protrusion 70, the lint at the root can be easily removed. Here, the hole 90a is a hole into which the protrusion 70 is fitted. By aligning the diameter of these holes 90 a with the diameter of the base of the protrusion 70 , foreign matter is prevented from entering between the sheet 90 and the bottom surface of the protrusion 70 .

When the handle 100, which is a handle, is rotated once, the screw thread 100a is activated and the foreign object collecting part 231 can be attached and detached from the housing. A movable mechanism is provided in a handle 100, which is a handle. Specifically, a movable mechanism that interlocks the rotation of the handle 100 with the vertical movement of the seat 90 is provided at the fitting portion between the foreign matter collecting portion 231 and the handle 100 . The sheet 90 is in close contact with the bottom surface of the protrusion 70 in the attached state, and stops at the tip of the protrusion 70 in the detached state. At this time, since the sheet 90 has a movable range in which the sheet 90 does not come off from the protrusions 70, the sheet 90 is completely removed, and there is no need to attach the plurality of protrusions to the respective holes. load can be reduced.

Next, FIG. 14 shows the appearance of the movable mechanism of the seat 90. As shown in FIG. The movable mechanism is composed of a shaft 90b connected to the seat 90, a cam 100b for interlocking the handle 100 and the shaft 90b, and a groove 70a for controlling the movable range of the shaft 90b. The lowest portion of the groove 70a is at the same position as the bottom surface of the protrusion 70, and the uppermost portion is slightly lower than the protrusion 70, as shown in FIG.

Next, FIG. 16 shows an operation explanatory diagram of the movable mechanism.
FIG. 16 is a view of the foreign matter collecting portion 231 viewed from the direction of the handle 100, which is a handle portion, and is partially transparent so that the constituent parts of the mechanism can be seen.

FIG. 16(a) shows the position of the seat 90 with the foreign matter collecting portion 231 attached. A shaft 90b is positioned at the bottom of the groove 70a, and its position is fixed by a cam 100b. Since the sheet 90 is located at the same position as the shaft 90b, it is in close contact with the bottom surface of the protrusion 70. As shown in FIG.

FIG. 16(b) shows the position of the seat 90 when the handle 100 is rotated 90 degrees counterclockwise from the attached state. Although the handle 100 rotates, the position of the shaft 90b does not change and the seat 90 also remains in close contact with the bottom surface of the protrusion.

FIG. 16(c) shows the position of the seat 90 when the handle 100 is rotated 180 degrees counterclockwise from the attached state. Only the cam 100b rotates and the position of the seat 90 remains unchanged.

FIG. 16(d) shows the position of the seat 90 when the handle 100 is rotated 270 degrees counterclockwise from the attached state. The projection of the cam 100b hits the shaft 90b, the shaft 90b is lifted up and down along the groove 70a, and the seat 90 is slightly separated from the bottom surface of the projection 70. FIG.

FIG. 16(e) shows the position of the seat 90 when the handle 100 is rotated 360 degrees counterclockwise from the attached state. The protrusion of the cam 100b lifts the shaft 90b to the top of the groove 70a, and the seat 90 is slightly lower than the tip of the protrusion 70. As shown in FIG.

Also, when attaching the foreign matter collecting part 231, the handle 100 is rotated clockwise, and the positional relationship at each angle is the same. As the handle 100 is closed, the seat 90 moves up and down toward the bottom surface of the protrusion 70, and is in close contact with the bottom surface of the protrusion 70 when attached.

According to the present embodiment, it is possible to provide a washing machine with high cleanability in which foreign matter in the foreign matter collecting portion 231 can be easily removed.

1 Case 2 Outer Tank 3 Rotating Drum 4 Drum Motor 70 Projection 70a Groove 90 Sheet 90a Hole 90b Shaft 100 Handle 100b Cam 231 Foreign Matter Collector

Claims (5)

A foreign matter collecting device provided in the middle of a drainage path of a washing machine,
a plurality of protrusions that collect foreign matter;
a sheet attached to the plurality of protrusions;
a movable mechanism for moving the seat;
A contaminant collecting device comprising: The foreign matter collecting device according to claim 1,
The moving mechanism moves the sheet from the bottom surface of the projection to the top surface of the projection. The foreign matter collecting device according to claim 1 or claim 2,
A contaminant collecting device in which the sheet stops on the upper surface of the projection. The foreign matter collecting device according to any one of claims 1 to 3,
The foreign object collecting unit has a handle for attachment and detachment,
The foreign object collecting device, wherein the movable mechanism is provided on the handle. a housing;
an outer tank supported in the housing for vibration isolation;
a drum rotatably supported in the outer tub;
a motor for rotating the drum;
a drainage path for discharging water from the outer tank to the outside of the machine;
A washing machine comprising the foreign object collecting device according to any one of claims 1 to 4.

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