JP2023011362A - Drum type washing machine - Google Patents

Abstract

To suppress loss of a component such as a screw when replacing a water level sensor and a water level sensor holder, to improve maintainability, and to reduce the man-hours of maintenance.SOLUTION: A drum type washing machine 100 includes: an outer tub 17 arranged inside a housing 11; a drum 14 included in the outer tub; a water supply unit 30 for supplying a detergent and water to the outer tub; a water level sensor 71 for detecting the water level in the outer tub; and a water level sensor holder 72 for supporting the water level sensor. The water level sensor holder is arranged at a place which is between the water supply unit and the outer tub, and which is at the upper side front inside the housing. The water level sensor is mounted on the water level sensor holder by fitting.SELECTED DRAWING: Figure 4

Description

The present invention relates to a drum-type washing machine.

A drum-type washing machine in which a drum is arranged sideways is provided with water level detection means for detecting the water level of an outer tub containing the drum (see, for example, Patent Document 1). The water level detection means is mounted at a location on the upper rear side inside the housing (specifically, at a location on the rear side of the top cover of the housing). In a conventional drum-type washing machine, the water level sensor is fixed to the water level sensor holder by attaching the water level sensor functioning as a water level detection means to the water level sensor holder and fastening it with a screw. The water level sensor is attached to the inside of the housing by hanging the water level sensor holder from a hook on the upper rear side of the inside of the housing.

Japanese Patent Application Laid-Open No. 2021-23740

Since a conventional drum-type washing machine uses a screw to fix the water level sensor, there is a possibility that the screw may be lost when replacing the water level sensor or the water level sensor holder. Further, in the conventional drum-type washing machine, when replacing the water level sensor and the water level sensor holder, the user is required to put his or her hand in the upper rear portion of the inside of the housing to perform the work. However, the upper rear portion of the inside of the housing is a narrow space and is located behind the outer tank, so it is difficult to reach. Therefore, conventional drum-type washing machines are difficult to maintain, and maintenance man-hours tend to increase.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems. The main purpose is to provide an efficient drum-type washing machine.

To achieve the above object, the present invention provides a drum-type washing machine comprising an outer tub disposed inside a housing, a drum enclosed in the outer tub, and detergent and water supplied to the outer tub. a water supply unit that detects the water level in the outer tank; and a water level sensor holder that supports the water level sensor. Further, the water level sensor is arranged in the upper front part inside the housing, and the water level sensor is attached to the water level sensor holder by fitting.
Other means will be described later.

ADVANTAGE OF THE INVENTION According to this invention, when replacing a water level sensor or a water level sensor holder, loss of parts such as screws can be suppressed, and maintainability can be improved and maintenance man-hours can be reduced.

1 is an external perspective view of a drum-type washing machine according to an embodiment; FIG. 1 is an internal configuration diagram of a drum-type washing machine according to an embodiment; FIG. It is a front view of the internal configuration of the drum-type washing machine according to the embodiment. 1 is a perspective view of an internal configuration of a drum-type washing machine according to an embodiment; FIG. It is a block diagram near a water level sensor. It is a perspective view of a water level sensor holder. It is a top view of a water level sensor holder. It is a side view of a water level sensor holder.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention (hereinafter referred to as "present embodiments") will be described in detail with reference to the drawings. In addition, each figure is only shown roughly to such an extent that the present invention can be fully understood. Accordingly, the present invention is not limited to the illustrated examples only. Moreover, in each figure, the same code|symbol is attached|subjected about a common component and a similar component, and those overlapping description is abbreviate|omitted.

<Overall configuration of drum-type washing machine>
Hereinafter, the overall configuration of a drum-type washing machine 100 according to the present embodiment will be described with reference to FIGS. 1 and 4. FIG. Here, it is assumed that the drum-type washing machine 100 is a global standard drum-type washing machine. A global standard drum-type washing machine is a washing machine that can be built into a washbasin or the like. FIG. 1 is an external perspective view of a drum-type washing machine 100 according to this embodiment. FIG. 2 is an internal configuration diagram of the drum-type washing machine 100. As shown in FIG. FIG. 2 shows the internal configuration of drum type washing machine 100 with top cover 11c and door 12 removed. FIG. 3 is a front view of the internal configuration of the drum-type washing machine 100. As shown in FIG. FIG. 3 shows the internal configuration of the drum-type washing machine 100 from the front with the housing 11 removed. FIG. 4 is a perspective view of the internal configuration of the drum-type washing machine 100. As shown in FIG. FIG. 4 shows the internal configuration of the drum-type washing machine 100 from which the housing 11 has been removed, as viewed obliquely from the upper left.

As shown in FIG. 1 , a drum-type washing machine 100 according to this embodiment includes a housing 11 and a door 12 attached to the front surface of the housing 11 .
The housing 11 has a front cover 11a, a housing body 11b, and a top cover 11c.
The door 12 is provided with a door opening handle 12a on its upper portion and an operation portion 13 on its front surface.

As shown in FIG. 2, the drum-type washing machine 100 includes a drum 14 substantially in the center inside the housing 11, and a control unit 20 and a water supply unit 30 above the drum 14. A drying unit 40 is provided on the upper side.

The drum 14 is a container for laundry. The drum 14 is enclosed in an outer tank 17 (see FIGS. 3 and 4) that functions as a water tank. A baffle 15 for raking up the laundry accommodated in the drum 14 is provided inside the drum 14 . An openable and closable front cover 11a is provided on the front side of the housing 11 . A bellows 16 seals between the front surface of the outer tank 17 (see FIGS. 3 and 4) and the front cover 11a.

The control unit 20 controls the overall operation of the drum-type washing machine 100 . The control unit 20 is attached to a case body 21 arranged above the drum 14 . The water supply unit 30 has a water supply valve 31 that controls water supply. The water supply unit 30 is connected to a water supply mechanism (not shown) via a water supply valve 31 . The control unit 20 controls the water supply valve 31 to take in and stop taking in water supplied from the outside.

The drying unit 40 is configured to circulate air to and from the drum 14 while heating the air. The drying unit 40 has a heating section 41 and a blower fan 42 . The drying unit 40 circulates the air between the drying unit 40 and the drum 14 by driving the blower fan 42 and heats the air by heating the heating unit 41 so that the laundry accommodated in the drum 14 is heated. dry things.

As shown in FIGS. 3 and 4, the water supply unit 30 includes a shower case 32, a shower case cover 33, and a detergent input portion 50. As shown in FIGS.

The shower case 32 is a case for supplying water to the detergent case 51 (see FIG. 4) built in the detergent input portion 50. As shown in FIG. Inside the shower case 32 , a channel is formed for supplying water to a container for storing detergent, etc. provided in the detergent case 51 . The shower case 32 pours water from above onto a housing for detergent and the like provided in the detergent case 51 . A shower case cover 33 is attached to the upper portion of the shower case 32 , and the channel of the shower case 32 is sealed by the shower case cover 33 .

The drum-type washing machine 100 includes a water level sensor 71 that detects the water level in the outer tub 17 and a water level sensor holder 72 that supports the water level sensor 71 . The water level sensor holder 72 is arranged between the water supply unit 30 and the outer tank 17 and in the upper front part inside the housing 11 . The water level sensor 71 is attached to the water level sensor holder 72 by fitting.

The water level sensor 71 is connected to a pipe 73 that communicates with the outer tank 17, and measures the pressure inside the pipe 73, which fluctuates according to fluctuations in the water level in the outer tank 17, to detect the water level in the outer tank 17. detect.

<Configuration of water level sensor holder>
Hereinafter, the overall configuration of the water level sensor holder 72 will be described with reference to FIGS. 5, 6A, 6B, and 6C. FIG. 5 is a configuration diagram around the water level sensor 71. As shown in FIG. 6A, 6B, and 6C are a perspective view, a top view, and a side view, respectively, of the water level sensor holder 72. FIG.

As shown in FIG. 5, the water level sensor holder 72 is attached to an attachment portion 30a provided at the bottom of the water supply unit 30. As shown in FIG. The attachment portion 30 a is formed to extend downward from a detergent input portion 50 provided in the lower portion of the water supply unit 30 . The attachment portion 30a is provided with a through hole into which the hook 72c of the water level sensor holder 72 (see FIGS. 6A to 6C) is inserted.

As shown in FIGS. 6A to 6C, the water level sensor holder 72 has an inserted portion 72a, claw portions 72b, and hooks 72c.

The inserted portion 72a is a portion into which the insertion portion 71a (see FIG. 5) of the water level sensor 71 is inserted.
The claw portion 72 b is a fixing portion that engages with the water level sensor 71 to fix the water level sensor 71 .
The hook 72c is an engaging portion that engages with a through hole provided in the mounting portion 30a.

The water level sensor holder 72 is attached to the attachment portion 30a by inserting the hook 72c into a through hole provided in the attachment portion 30a (see FIG. 5). The water level sensor 71 is inserted into an inserted portion 72a (see FIGS. 6A to 6C) provided in the water level sensor holder 72 at an insertion portion 71a (see FIG. 5) provided at the bottom thereof, thereby 72.

As shown in FIG. 6A, the inserted portion 72a of the water level sensor holder 72 has an annular shape. As shown in FIG. 5, the insertion portion 71a of the water level sensor 71 to be inserted into the inserted portion 72a has a cylindrical shape.

<Main features of the drum-type washing machine>
(1) As shown in FIG. 4, the drum-type washing machine 100 according to the present embodiment includes an outer tub 17 arranged inside a housing 11, a drum 14 enclosed in the outer tub 17, and an outer tub 17. a water supply unit 30 for supplying detergent and water to the outer tub 17; a water level sensor 71 for detecting the water level in the outer tub 17; The water level sensor holder 72 is arranged between the water supply unit 30 and the outer tank 17 and in the upper front part inside the housing 11 . The water level sensor 71 is attached to the water level sensor holder 72 by fitting.

Since the drum-type washing machine 100 according to this embodiment does not use screws for fixing the water level sensor, it is possible to prevent parts such as screws from being lost when replacing the water level sensor or the water level sensor holder. Further, in the drum-type washing machine 100 according to this embodiment, the water level sensor holder 72 is arranged between the water supply unit 30 and the outer tub 17 and in the upper front part inside the housing 11. there is By removing the front cover 11a, it is possible to easily secure a large, easy-to-reach place in the upper front part of the interior of the housing 11. - 特許庁Therefore, the drum-type washing machine 100 according to the present embodiment can improve maintainability and reduce maintenance man-hours.

(2) As shown in FIG. 5, the water level sensor holder 72 of the drum-type washing machine 100 according to this embodiment is attached to the attachment portion 30a provided at the bottom of the water supply unit 30. As shown in FIG. The water level sensor 71 is attached by inserting an insertion portion 71a provided at its lower portion into an inserted portion 72a (see FIGS. 6A to 6C) provided in the water level sensor holder 72. FIG.

In the drum-type washing machine 100 according to this embodiment, the insertion portion 71a (see FIG. 5) of the water level sensor 71 is inserted into the inserted portion 72a (see FIGS. 6A to 6C) of the water level sensor holder 72. , the water level sensor 71 can be easily attached to the water level sensor holder 72 . Therefore, the drum-type washing machine 100 according to the present embodiment can further improve maintainability and reduce maintenance man-hours.

(3) As shown in FIG. 6A, the inserted portion 72a of the water level sensor holder 72 of the drum-type washing machine 100 according to this embodiment has an annular shape. As shown in FIG. 5, the insertion portion 71a of the water level sensor 71 to be inserted into the inserted portion 72a has a cylindrical shape.

In the drum-type washing machine 100 according to the present embodiment, it is possible to easily insert the column-shaped insertion portion 71a into the annular-shaped inserted portion 72a. Therefore, the drum-type washing machine 100 according to the present embodiment can further improve maintainability and reduce maintenance man-hours.

(4) As shown in FIGS. 4 and 5, the water level sensor 71 of the drum-type washing machine 100 according to this embodiment is connected to a pipe 73 communicating with the outer tub 17 . The water level sensor 71 detects the water level in the outer tank 17 by measuring the pressure in the pipe 73 which fluctuates according to the fluctuation of the water level in the outer tank 17 .

The drum-type washing machine 100 according to this embodiment can reliably detect the water level in the outer tub 17 .

As described above, according to the drum-type washing machine 100 according to the present embodiment, the loss of parts such as screws is suppressed when replacing the water level sensor and the water level sensor holder, and maintenance is improved and maintenance man-hours are reduced. can be planned.

The present invention is not limited to the above-described embodiments, and includes various modifications. For example, the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the described configurations. Also, part of the configuration of the embodiment can be replaced with another configuration, and it is also possible to add another configuration to the configuration of the embodiment. Moreover, it is possible to add, delete, or replace a part of each configuration with another configuration.

For example, in the above-described embodiment, the drum-type washing machine 100 has been described as including the drying unit 40, but the drum-type washing machine 100 has a configuration without the drying unit 40, that is, a washing machine without a drying function. It can be a functional washing machine only.

11 housing 11a front cover 11b housing body 11c top cover 12 door 12a door opening handle 13 operation part 14 drum 15 baffle 16 bellows 17 outer tank 20 control unit 21 case body 30 water supply unit 30a mounting part 31 water supply valve 32 shower case 33 Shower case cover 40 Drying unit 41 Heating part 42 Blower fan 50 Detergent input part 51 Detergent case 71 Water level sensor 71a Insertion part 72 Water level sensor holder 72a Inserted part 72b Claw part (fixed part)
72c hook (engaging portion)
73 pipe 100 drum type washing machine

Claims (4)

an outer tank arranged inside the housing;
a drum contained in the outer tank;
a water supply unit that supplies detergent and water to the outer tub;
a water level sensor that detects the water level in the outer tank;
and a water level sensor holder that supports the water level sensor,
The water level sensor holder is arranged between the water supply unit and the outer tank and in the upper front part inside the housing,
A drum-type washing machine, wherein the water level sensor is attached to the water level sensor holder by fitting. In the drum-type washing machine according to claim 1,
The water level sensor holder is attached to a mounting portion provided at the bottom of the water supply unit,
A drum-type washing machine, wherein the water level sensor is attached by inserting an insertion portion provided at the bottom thereof into an insertion receiving portion provided in the water level sensor holder. In the drum-type washing machine according to claim 2,
The inserted portion of the water level sensor holder has an annular shape,
A drum-type washing machine, wherein an insertion portion of the water level sensor inserted into the inserted portion has a cylindrical shape. In the drum-type washing machine according to any one of claims 1 to 3,
The water level sensor is connected to a pipe communicating with the outer tank, and detects the water level in the outer tank by measuring the pressure in the pipe, which fluctuates according to the fluctuation of the water level in the outer tank. A drum-type washing machine characterized by:

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