JP2023069071A - washing machine - Google Patents

Abstract

To provide a washing machine which is arranged so that the longitudinal direction of a washing tank and a rinsing tank becomes a first direction of a machine room, and can secure the maintainability of the rinsing tank and a rinsing pump from one side in the first direction of the machine room in a structure that the washing tank and the rinsing tank are aligned in a second direction.SOLUTION: A dishwasher 100 includes a washing tank 20, a washing pump 5, a rinsing tank 6, a rinsing pump 7, and a machine room 1A forming a space extending in a front-back direction and a left-right direction when viewed in a vertical direction, and arranged below a washing room 1B. The washing tank 20 and the rinsing tank 6 are arranged so that the front-back direction becomes a longitudinal direction, and are arranged in the machine room 1A so as to be aligned in the left-right direction. The rinsing pump 7 is detachably arranged in the machine room 1A so as to be on a front side in the front-back direction to the rinsing tank 6 detachable from the machine room 1A, and to be in a row in the front-back direction to the rinsing tank 6.SELECTED DRAWING: Figure 3

Description

TECHNICAL FIELD The present invention relates to a washing machine for washing objects to be washed such as tableware.

There is a washing machine (dishwasher) that sprays the wash water stored in the washing tank onto the dishes stored in the washing chamber to wash them, and sprays the rinse water stored in the rinsing tank onto the dishes to rinse them. Are known. For example, in Patent Document 1, in a machine room extending in a first direction and a second direction orthogonal to the first direction, the first direction is the longitudinal direction of the rinsing tank, and the second direction is the longitudinal direction of the washing tank. A washer is disclosed which is arranged to: In the washing machine of Patent Document 1, the rinsing pump is arranged on one side of the washing tank in the first direction, and the rinsing pump and the rinsing tank are configured to be detachable from the machine chamber. In such a washing machine, the rinsing pump and the rinsing tank can be easily attached and detached from one side of the machine room in the first direction. Therefore, maintenance of the rinsing pump and the rinsing tank from one side in the first direction of the machine room was excellent.

JP-A-11-206674

In such a washing machine, it may be desirable to arrange the washing tank in the same direction (first direction) as the rinsing tank extends. However, in this case, since the washing tank extends to one side in the first direction, it is difficult to dispose the rinsing pump on one side of the washing tank in the first direction as in the conventional case. Therefore, there is a problem that maintenance of the rinsing pump and the rinsing tank cannot be ensured.

Therefore, an object of the present invention is to arrange the washing tank and the rinsing tank so that the longitudinal direction of the machine room is the first direction, and to arrange the washing tank and the rinsing tank in the second direction. To provide a washing machine capable of securing maintainability of a rinsing tank and a rinsing pump from one side in one direction.

The washing machine of the present invention comprises a washing tank for storing washing water used for washing the object to be washed, a washing pump for sending the washing water to the washing chamber containing the object to be washed, and a rinsing device for rinsing the object to be washed. A rinsing tank for storing water, a rinsing pump for sending rinsing water to the washing chamber, and a space extending in a first direction and a second direction perpendicular to the first direction when viewed from the vertical direction are formed in the washing chamber. and a machine room arranged below the washing tank and the rinsing tank are arranged so that the first direction is the longitudinal direction and are arranged in the machine room so as to be aligned in the second direction, The rinsing pump is detachably arranged in the machine room so as to be aligned on one side in the first direction with respect to the rinsing tank detachable from the machine room and in line with the rinsing tank in the first direction.

In the washing machine with this configuration, the members to be maintained, that is, the rinsing tank and the rinsing pump are arranged in a row in the first direction, so that if the rinsing pump is taken out from one side in the first direction, the rinsing tank can also be cleaned. It can be taken out from one side in the first direction. In addition, since the rinsing pump, which is generally smaller in size than the rinsing tank, is arranged on one side in the first direction with respect to the rinsing tank, after removing the rinsing pump, rinsing is performed from one side in the first direction. Easy access to tank. As a result, in a configuration in which the washing tank and the rinsing tank are arranged such that the longitudinal direction of the washing tank and the rinsing tank is aligned with the first direction of the machine room, and the washing tank and the rinsing tank are arranged side by side in the second direction, one of the machine rooms in the first direction is arranged in the first direction. Maintainability of the rinsing tank and rinsing pump from the side can be ensured.

In the washing machine of the present invention, the machine room may be provided with a cover that opens the space to the outside of the machine room on one side in the first direction. In this configuration, the machine room can be opened by removing the cover provided on one side in the first direction of the machine room, and the rinsing pump and the rinsing tank can be taken out or installed from the opened portion. That is, the attachment and detachment of the rinsing tank and rinsing pump can be facilitated.

In the washing machine of the present invention, the rinsing tank may be arranged with a gap between it and the bottom of the machine room. In this configuration, for example, wiring or the like can be placed in the gap formed between the bottom of the machine compartment and the rinse tank.

In the washing machine of the present invention, the connection port connected to the rinsing pump in the rinsing tank may be formed at the bottom of the rinsing tank. With this configuration, almost all of the water stored in the rinsing tank can be used for rinsing the objects to be washed, and an effective amount of water in the rinsing tank can be secured. Moreover, in this configuration, by arranging the channel connected to the connection port in the gap between the rinsing tank and the bottom of the machine room, the gap can be effectively utilized.

In the washing machine of the present invention, the connection port of the rinsing tank is provided with a branching portion that branches into the first flow path that communicates with the rinsing pump and the second flow path that discharges the water stored in the rinsing tank to the outside. may be With this configuration, the water stored in the rinsing tank is discharged through the connection port formed at the bottom of the rinsing tank, so that almost all of the water stored in the rinsing tank can be discharged.

In the washing machine of the present invention, the rinsing pump has a connecting portion that opens toward the other side in the first direction, and the rinsing tank has a connecting port that opens toward the one side in the first direction with the connection port of the rinsing tank as a base end. A flow channel member may be provided which extends to the tip portion and opens toward one side in the first direction, and the connecting portion and the tip portion of the flow channel member may be detachably connected. In this configuration, since the direction in which the rinsing pump is taken in and out along the first direction coincides with the direction in which the rinsing pump is attached to and detached from the rinsing tank via the channel member, the attachment and detachment of the rinsing pump to and from the rinsing tank is facilitated.

The washing machine of the present invention further comprises a first rinsing tank fixing portion provided on the inner surface of the bottom of the machine chamber and supporting the rinsing tank from below, and the first rinsing tank fixing portion comprises a pair of vertically extending rinsing tank fixing portions. a first extension portion, a first connecting portion extending in the second direction and connecting one end portions of the pair of first extension portions to each other, and provided at the other end portions of the pair of first extension portions, respectively. and a pair of first fixing parts, the first connecting part supporting the rinsing tank from below, and the pair of first fixing parts being fixed to the inner surface of the bottom of the machine room. With this configuration, a large contact area of the first connecting portion with respect to the rinsing tank can be ensured, so strength can be ensured. In addition, when the rinsing tank is attached to or removed from a predetermined position, the rinsing tank can be stably and easily slid with respect to the first connecting portion, which facilitates attachment/detachment work.

In the washing machine of the present invention, the outer surface of the bottom of the rinsing tank is formed with a sandwiching portion that extends in the first direction and sandwiches the first connecting portion with the outer surface of the bottom of the rinsing tank, The sandwiching portion may be formed so as to sandwich the first connecting portion when the first rinsing tank fixing portion is moved from one side to the other side in the first direction. With this configuration, the first rinsing tank fixing portion is rinsed by a simple operation of moving the rinsing tank from one side to the other side in the first direction with respect to the support portion of the first rinsing tank fixing portion. You can fix the tank.

The washing machine of the present invention further comprises a second rinsing tank fixing part, which is a separate member from the first rinsing tank fixing part, is provided on the inner surface of the bottom of the machine chamber and supports the rinsing tank from below, The second rinsing tank fixing portion includes a pair of second extension portions extending in the vertical direction, a second connection portion extending in the second direction and connecting one ends of the pair of second extension portions, and a pair of second fixing parts respectively provided at the other ends of the pair of second extension parts, each of the pair of second fixing parts being fixed to the outer surface of the bottom of the rinsing tank, The second connecting part may be placed on the inner surface of the bottom of the machine room. With this configuration, it is possible to ensure a large area for the second fixing portion attached to the rinsing tank, and the second connecting portion can be stably slid against the inner surface of the machine chamber, thereby positioning the rinsing tank at a predetermined position. be able to.

The washing machine of the present invention further comprises a rinsing pump fixing part for fixing the rinsing pump connected to the rinsing tank fixed to the first rinsing tank fixing part to the inner surface of the bottom of the machine chamber, and the rinsing pump fixing part is , may be detachably provided on the inner surface of the bottom of the machine room. In this configuration, the rinsing tank arranged on the other side of the rinsing pump in the first direction is positioned in the first direction by fixing the rinsing pump via the rinsing pump fixing portion. As a result, the rinsing tank and the rinsing pump can be integrally fixed to the machine room by a simple operation of fixing the rinsing tank to the inner surface of the bottom of the machine room.

The washing machine of the present invention includes a rinsing valve that is detachably provided in a rinsing tank and switches whether water is supplied to the rinsing tank, a rinsing valve support that supports the rinsing valve, a rinsing valve that is provided in the rinsing tank, and a rinsing valve. a rinsing valve mounting portion detachably mounting the valve support portion, wherein the rinsing valve support portion supporting the rinsing valve is detachable from the rinsing valve mounting portion by a screw that is screwed from one side in the first direction. It may be attached where possible. With this configuration, the operator can attach the rinsing valve to the rinsing tank by attaching or detaching the screw from one side in the first direction, so maintenance of the rinsing valve is excellent.

In the washing machine of the present invention, the rinsing tank is formed with a discharge portion for discharging water exceeding a predetermined storage volume, and the discharge portion is formed on a surface constituting one side in the first direction of the rinsing tank. may have been With this configuration, the drain hose can be easily attached to and detached from the drain when the rinsing tank is attached and detached in the first direction.

According to the present invention, in the configuration in which the washing tank and the rinsing tank are arranged such that the longitudinal direction of the washing tank and the rinsing tank is aligned with the first direction of the machine room, and the washing tank and the rinsing tank are arranged in the second direction, the first direction of the machine room. maintainability of the rinsing tank and the rinsing pump from one side of the .

FIG. 1 is a perspective view of a dishwasher according to one embodiment. FIG. 2 is a diagram showing a schematic configuration of the dishwasher according to one embodiment. FIG. 3 is a plan view showing the arrangement of the washing tank, the rinsing tank, and the rinsing pump. FIG. 4 is a side view of the rinsing tank as seen from the right side. FIG. 5 is a perspective view of the rinsing tank viewed obliquely from below. FIG. 6(A) is a perspective view showing the fixing portion of the first rinsing tank. FIG. 6(B) is a perspective view showing a second rinsing tank fixing portion. FIG. 7A is a perspective view showing the first rinsing tank fixing portion and the sandwiching portion. FIG. 7B is a cross-sectional view showing the clamping portion. FIG. 8 is a front view of the rinsing tank as seen from the front. FIG. 9 is a perspective view of the rinsing tank as seen obliquely from the front. FIG. 10 is a perspective view of the rinsing tank and the rinsing pump as seen obliquely from the front. FIG. 11 is a top view of the rinsing tank viewed from above. FIG. 12 is an exploded perspective view of the door portion. FIG. 13A is a perspective view showing a claw portion. FIG. 13B is a cross-sectional view showing a claw portion. FIG. 14 is a perspective view showing an end portion in the left-right direction of the door portion. FIG. 15 is a perspective view of the door section with the door hinge attached. FIG. 16(A) is a perspective view of the door hinge as seen from the outside. FIG. 16B is a perspective view of the door hinge as seen from the inside. FIG. 17 is a perspective view showing a door hinge attached to the main body. FIG. 18 is a perspective view showing a door hinge attached to the main body.

Hereinafter, a dishwasher (washing machine) 100 according to one embodiment will be described with reference to the drawings. In the description of the drawings, the same elements are denoted by the same reference numerals, and overlapping descriptions are omitted. For convenience of explanation, the front-rear direction, the left-right direction, and the up-down direction are set in FIG.

As shown in FIG. 1, a dishwasher 100 according to one embodiment is an under-counter type washing machine in which a door portion 15 is provided on the front surface of a washing chamber 1B. As shown in FIGS. 1 and 2, the dishwasher 100 includes a main body 1, a door 15, a washing tank 20, an upper nozzle 3, a lower nozzle 4, a washing pump 5, and a rinsing tank. 6, a rinse pump 7, a detergent supply pump 8, a rinse agent supply pump 9 and a controller 10.

The main body 1 includes a frame (not shown), an exterior panel 11 made of stainless steel, and an interior panel 2 . The exterior panel 11 has a pair of side panels 11A, 11A forming side surfaces in the left-right direction, an upper panel 11B, an upper front panel 11C, a lower front panel 11D, and a rear panel 11E. ing. At least the lower front panel 11D is provided so as to be easily removable from the frame. Leg portions 12 are attached to the four corners of the lower portion of the main body portion 1 . An operation unit 13 for operating various operations of the dishwasher 100 is provided on the upper front panel 11C.

The operation unit 13 is a part for performing input operations for operation modes and various settings. The operation unit 13 of this embodiment is composed of a liquid crystal screen and a tempered glass (electrostatic switch) covering it. The operator can perform various operations by touching the tempered glass that covers the LCD screen. Note that the operation unit 13 may be configured with various buttons and a touch panel, or may be configured with a remote controller, an operation terminal, or the like that is separate from the main unit 1 .

A machine chamber 1A is formed in the lower region of the main body 1 to accommodate a cleaning tank 20, a cleaning pump 5, a rinsing tank 6, a rinsing pump 7, a detergent supply pump 8, and a rinse agent supply pump 9. It is A washing chamber 1B is formed in the upper region of the main body 1 to accommodate racks in which tableware (objects to be washed) D and the like are set. The washing chamber 1B is a space above the washing tank 20 and is configured by the interior panel 2. As shown in FIG. The interior panel 2 mainly has a pair of side panels 2A, 2A, a top panel 2B and a rear panel (not shown). Rack rails 23 for supporting the rack are formed on the inner surfaces of the pair of side panels 2A, 2A. The body portion 1 is formed with an opening portion 1C through which a rack on which tableware D and the like are set is taken in and out of the washing chamber 1B. In the body portion 1, a tension member is provided below the door portion 15 in the closed state, protrudes outside the opening portion 1C along the lower end of the door portion 15 in the closed state, and extends horizontally to the left and right. An exit portion 17 (see FIGS. 17 and 18) is formed.

The door portion 15 is arranged outside the opening portion 1C. The door portion 15 is provided so that the opening portion 1C can be opened and closed. The door portion 15 is rotatably provided at the lower end of the door portion 15 about an axis extending in the left-right direction as a rotation axis. The operator can open the cleaning chamber 1B by tilting the handle 15A provided at the upper end of the door portion 15 toward the front.

The cleaning tank 20 is provided below the cleaning chamber 1B. The washing tank 20 has a storage part 22 that stores washing water used for washing the tableware D and the like housed in the washing chamber 1B. The storage portion 22 is formed of a side portion 20c and a bottom portion 20a (see FIG. 3). The cleaning tank 20 has a shallow recessed portion from above and a deep recessed portion recessed downward from the shallow recessed portion. The shallow recess separates the machine room 1A from the washing room 1B, receives the water jetted from the upper nozzle 3 and the lower nozzle 4, and guides it to the deep recess after washing or rinsing the tableware D. The deep recessed portion is a portion for storing cleaning water supplied to the upper nozzle 3 and the lower nozzle 4 by the cleaning pump 5 . The reservoir 22 in this embodiment corresponds to the above-described deep recessed portion. The cleaning tank 20 is provided with a cleaning water detector 24, a cleaning water heater 25A, and a cleaning water temperature sensor 25B.

The wash water detector 24 detects the water level of the wash water stored in the reservoir 22 . The wash water detector 24 is, for example, a switch that turns ON when the water level in the reservoir 22 exceeds the constant water level H1, and turns OFF when the water level is below the constant water level H1. The controller 10 acquires the detection result of the cleaning water detection unit 24 . If the cleaning pump 5 , which will be described in detail later, sucks air during operation, so-called air entrainment occurs, and cleaning water cannot be jetted from the upper nozzle 3 and the lower nozzle 4 . In one embodiment, suction of air by the cleaning pump 5 is prevented by stopping the operation of the cleaning pump 5 when the cleaning water detection unit 24 is turned off during operation.

The washing water heater 25A heats the washing water stored in the reservoir 22 in order to improve sterilization performance and cleaning performance. The washing water temperature sensor 25B detects the temperature of the washing water stored in the reservoir 22. As shown in FIG. A detection result by the cleaning water temperature sensor 25B is acquired by the controller 10 . The controller 10 controls ON/OFF of the washing water heater 25A. For example, the washing water heater 25A is controlled by the controller 10 so as to maintain the washing water at a predetermined temperature based on the water temperature detected by the washing water temperature sensor 25B.

A circular through hole 20b is formed in the bottom portion 20a of the storage portion 22 . The through-hole 20b is a circular plate-shaped member having a plurality of elongated holes formed through it in the thickness direction, and is covered with a pump guard 26 that prevents foreign matter from entering. The through-hole 20 b is connected to the cleaning pump 5 via the cleaning tank connection portion 50 . The washing tank connecting portion 50 has a first connecting hole 50 a connected to the through hole 20 b , a drain hole 50 b connected to the drain pipe 28 for discharging water to the outside of the main body 1 , and a washing pump 5 . A second connection hole 50c is formed. The cleaning tank connection part 50 may be configured integrally with the cleaning pump 5 as part of a casing that configures the cleaning pump 5 , or may be configured integrally with the cleaning pump 5 as a member that connects the cleaning tank 20 and the cleaning pump 5 . may be provided separately.

The cleaning tank 20 is provided with an overflow pipe 27 extending vertically. The overflow pipe 27 allows water exceeding a predetermined water level in the reservoir 22 to flow in from the upper end thereof and drain it to the outside of the washing tank 20 , thereby regulating the water level of the wash water stored in the reservoir 22 . The lower end of the overflow pipe 27 is detachably inserted into a drain hole 50b formed in the cleaning tank connecting portion 50 through a burred pump guard 26 covering the through hole 20b. The bottom end of the overflow pipe 27 is extracted from the drain hole 50b, so that the wash water stored in the reservoir 22 can be discharged through the through hole 20b and the drain hole 50b.

The upper nozzle 3 is provided above the cleaning chamber 1B. The upper nozzle 3 is rotatably provided on an upper support portion 21A provided above the cleaning chamber 1B. The upper nozzle 3 has a nozzle main body 30 extending radially from the base end, which is the center of rotation of the rotation shaft of the upper nozzle 3 , to the tip end. The nozzle main body 30 has a washing injection hole 31 for injecting the washing water stored in the reservoir 22 of the washing tank 20, and a washing channel 32 extending from the center of rotation to the washing injection hole 31 and through which the washing water flows. , a rinsing injection hole 33 for injecting the rinsing water stored in the rinsing tank 6, and a rinsing passage 34 extending from the center of rotation to the rinsing injection hole 33 and through which the rinsing water flows are integrally formed. there is The upper nozzle 3 rotates when the flow of washing water generated in the washing channel 32 or the flow of rinsing water generated in the rinsing channel 34 is converted into rotational force. The upper nozzle 3 is connected to an upper washing pipe 58 that supplies washing water to the washing channel 32 and an upper rinsing pipe 78 that supplies rinsing water to the rinsing channel 34 .

The lower nozzle 4 is provided below the cleaning chamber 1B. The lower nozzle 4 is rotatably provided on a lower support portion 21B provided below the cleaning chamber 1B. The lower nozzle 4 has a nozzle main body 40 that extends radially from the base end, which is the center of rotation of the rotating shaft of the lower nozzle 4, to the tip end. The nozzle main body 40 has a washing injection hole 41 for injecting the washing water stored in the reservoir 22 of the washing tank 20, and a washing channel 42 extending from the center of rotation to the washing injection hole 41 and through which the washing water flows. , a rinsing injection hole 43 for injecting the rinsing water stored in the rinsing tank 6, and a rinsing passage 44 extending from the center of rotation to the rinsing injection hole 43 and through which the rinsing water flows are integrally formed. there is The lower nozzle 4 is rotated by converting the flow of washing water generated in the washing channel 42 or the flow of rinsing water generated in the rinsing channel 44 into rotational force. The lower nozzle 4 is connected to a lower cleaning pipe 59 that supplies cleaning water to the cleaning channel 42 and a lower rinsing pipe 79 that supplies rinsing water to the rinsing channel 44 .

The dishes D arranged on the dish rack are sprayed with washing water by the upper nozzle 3 and the lower nozzle 4 in the washing process, and are sprayed with rinse water by the upper nozzle 3 and the lower nozzle 4 in the rinsing process.

The washing pump 5 is arranged in the machine room 1A. The washing pump 5 sends out the washing water stored in the reservoir 22 of the washing tank 20 to the washing chamber 1B in which the dishes D and the like are accommodated. The washing pump 5 takes in the washing water in the reservoir 22 through the washing tank connection portion 50 and sends the washing water to the upper nozzle 3 and the lower nozzle 4 . An upper washing pipe 58 is connected to the first discharge port of the washing pump 5 . The upper cleaning pipe 58 is connected to the upper nozzle 3 . A lower cleaning pipe 59 is connected to the second outlet of the cleaning pump 5 . The lower cleaning pipe 59 is connected to the lower nozzle 4 .

The rinsing tank 6 is arranged in the machine room 1A. The rinsing tank 6 stores rinsing water used for rinsing the tableware D and the like. Water is supplied to the rinsing tank 6 from an external water source through a water supply pipe 60 . The water supply pipe 60 is provided with a strainer 60A. A valve (rinsing valve) 60B is provided downstream of the strainer 60A in the water supply pipe 60 .

The rinsing tank 6 is provided with a rinsing water detection section 62, an overflow section (discharge section) 63, a rinsing water heater 64A, and a rinsing water temperature sensor 64B.

The rinsing water detector 62 is a switch for detecting that the water stored in the rinsing tank 6 is at the constant water level H2. The detection result of the rinse water detection unit 62 is acquired by the controller 10 . Valve 60B is controlled by controller 10 . For example, the controller 10 opens and closes the valve in conjunction with detection of the constant water level H2 by the rinsing water detection unit 62, and controls the valve 60B so as to maintain a constant water level of the rinsing water stored in the rinsing tank 6. .

The overflow part 63 discharges water exceeding the full water level in the rinsing tank 6 . The rinsing tank 6 is a closed tank, and exceeds the full water level, for example, when the valve 60B is abnormally closed. The rinsing water heater 64A heats the rinsing water stored in the rinsing tank 6 to improve sterilization and rinsing performance. Rinse water temperature sensor 64B detects the temperature of the rinse water. A detection result by the rinse water temperature sensor 64B is acquired by the controller 10 . The controller 10 controls ON/OFF of the rinse water heater 64A. For example, the rinse water heater 64A is controlled by the controller 10 to maintain the rinse water at a predetermined temperature based on the water temperature sensed by the rinse water temperature sensor 64B.

The rinsing pump 7 sends out the rinsing water stored in the rinsing tank 6 to the washing chamber 1B that accommodates the tableware D and the like. The rinsing pump 7 takes in rinsing water from the rinsing tank 6 and delivers the rinsing water to the upper nozzle 3 and the lower nozzle 4 . An upper rinsing pipe 78 and a lower rinsing pipe 79 are connected to the discharge port of the rinsing pump 7 via a rinsing pipe 77 . The upper rinse pipe 78 is connected to the upper nozzle 3 . A lower rinse pipe 79 is connected to the lower nozzle 4 .

A detergent supply pump 8 is arranged in the machine room 1A. The detergent supply pump 8 supplies the detergent stored in the detergent tank 8A to the washing chamber 1B through the pipe 8B. The detergent discharged into the cleaning chamber 1B flows into the reservoir 22 and mixes with the cleaning water. The rinse agent supply pump 9 is arranged in the machine room 1A. The rinse agent supply pump 9 supplies the rinse agent stored in the rinse agent tank 9A to the rinse pipe 77 through the pipe 9B. The rinsing agent supplied to the rinsing pipe 77 is mixed with the rinsing water and supplied to the washing chamber 1B via the upper nozzle 3 and the lower nozzle 4 .

The controller 10 is arranged between the upper panel 11B of the main body 1 and the upper panel 2B that constitutes the cleaning chamber 1B. The controller 10 controls overall operations in the dishwasher 100 . Controller 10 is a computer system or processor implemented on an integrated circuit. The controller 10 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an input/output interface, and the like. Various programs or data are stored in the ROM.

Next, the arrangement of the washing tank 20, the rinsing tank 6 and the rinsing pump 7 will be described. As shown in FIG. 3, the washing tank 20 and the rinsing tank 6 are arranged so that the front-rear direction (first direction) is the longitudinal direction, and the machine room 1A is arranged side by side in the left-right direction (second direction). are placed in The rinsing pump 7 is detachably arranged in the machine room 1A so as to be on the front side, which is one side in the front-rear direction, of the rinsing tank 6 detachably attachable to the machine room 1A, and to be aligned in the front-rear direction with respect to the rinsing tank 6. It is The machine room 1A is provided with a lower front panel 11D as a cover for opening the internal space of the machine room 1A to the outside of the machine room 1A on the front side in the front-rear direction. That is, the lower front panel 11D is detachably attached to the frame of the main body 1 (not shown).

As shown in FIG. 4, the rinsing tank 6 is arranged with a gap G between it and the inner surface (upper surface) of the bottom portion 11F of the machine chamber 1A. As shown in FIGS. 4 to 7, the rinsing tank 6 is installed in the machine room 1A via a first rinsing tank fixing portion 66 and a second rinsing tank fixing portion 67. As shown in FIGS. The first rinsing tank fixing portion 66 and the second rinsing tank fixing portion 67 are made of a material such as stainless steel. The first rinsing tank fixing portion 66 and the second rinsing tank fixing portion 67 support the rinsing tank 6 from below.

The first rinsing tank fixing portion 66 is attached to the inner surface of the bottom portion 11F of the machine room 1A. The first rinsing tank fixing portion 66 has a pair of first extending portions 66a, 66a extending in the vertical direction and a pair of first extending portions 66a, 66a extending in the left-right direction (second direction) when attached to the inner surface of the bottom portion 11F of the machine chamber 1A. A first connecting portion 66b that extends and connects one ends of the pair of first extending portions 66a, 66a, and a pair of second connecting portions provided at the other ends of the pair of first extending portions 66a, 66a, respectively. It has one fixed part 66c, 66c. The first connecting portion 66b is a portion that supports the rinsing tank 6 from below. The pair of first fixing portions 66c, 66c are portions fixed to the inner surface of the bottom portion 11F of the machine chamber 1A by screws 66f or the like. The first rinsing tank fixing portion 66 includes a guiding portion 66d that guides the outer surface of the bottom portion 6a of the rinsing tank 6 that is pushed rearward from the front in the front-rear direction, and a sandwiching portion 65 that will be described later in detail. and a recessed portion 66e.

The second rinsing tank fixing portion 67 is attached to the outer surface of the bottom portion 6 a of the rinsing tank 6 . The second rinsing tank fixing portion 67, when attached to the outer surface of the bottom portion 6a of the rinsing tank 6, has a pair of second extension portions 67a, 67a extending in the vertical direction and A second connecting portion 67b that extends and connects one end portions of the pair of second extending portions 67a, 67a, and a pair of second connecting portions provided at the other end portions of the pair of second extending portions 67a, 67a, respectively. It has two fixing parts 67c, 67c. Each of the pair of second fixing portions 67c, 67c is fixed to the outer surface of the bottom portion 6a of the rinsing tank 6 by welding or the like. The second connecting portion 67b is placed on the inner surface of the bottom portion 11F of the machine chamber 1A, and slides on the inner surface of the bottom portion 11F of the machine chamber 1A while supporting the rinsing tank 6. As shown in FIG. In addition, the length of the second connecting portion 67b in the left-right direction is arranged in the machine room 1A by making the inner surface of the bottom part 11F of the machine room 1A slidable while supporting the rinsing tank 6 as much as possible. can reduce interference with other parts.

A sandwiching portion 65 is provided on the outer surface of the bottom portion 6 a of the rinsing tank 6 . The sandwiching portion 65 has a function of positioning the rinsing tank 6 at a predetermined position by sandwiching the first connecting portion 66b of the first rinsing tank fixing portion 66 between itself and the outer surface of the bottom portion 6a of the rinsing tank 6. there is The sandwiching portion 65 has a mounting portion 65a, a first bent portion 65b, a sandwiching portion 65c, and a guiding portion 65d. The mounting portion 65a is fixed to the outer surface of the bottom portion 6a of the rinsing tank 6 by welding or the like. The first bent portion 65b is a portion that is bent downwardly away from the bottom portion 6a of the rinsing tank 6 with the mounting portion 65a as a base end. The holding portion 65c is a portion that extends horizontally from the tip of the first bent portion 65b. The clamping portion 65c is a portion that is inserted rearward from the inserting portion 66e of the first rinsing tank fixing portion 66. It is also a portion that sandwiches the first connecting portion 66b. The guiding portion 65d is a portion that guides the holding portion 65c to the insertion portion 66e when the holding portion 65c is inserted into the insertion portion 66e.

As shown in FIGS. 3 and 5 , the connection port 6 b of the rinsing tank 6 in the rinsing pump 7 is formed in the bottom portion 6 a of the rinsing tank 6 . The connection port 6b of the rinsing tank 6 has a first flow path 68A communicating with the rinsing pump 7, a second flow path 68B for discharging water stored in the rinsing tank 6 to the outside, and a second flow path 68B from the first flow path 68A. A piping unit 68 is provided that has a branch portion 68C that branches off the path 68B. In addition, the second flow path 68B is normally fixed to the outer surface of the front side portion 6e of the rinsing tank 6, for example, in such a state that the tip thereof is higher than the full water level (the position of the overflow portion 63) in the rinsing tank 6. ing. A plug is provided at the tip of the second flow path 68B. When the water stored in the rinsing tank 6 is to be discharged, the plug at the tip is removed and the tip with the plug removed is moved to a position lower than the bottom of the rinsing tank 6. - 特許庁

As shown in FIGS. 5, 8 and 9, the first flow path 68A extends from the connection port 6b of the rinsing tank 6 to the front end in the front-rear direction. The tip of the first flow path 68A has a first connecting portion 68d that opens forward in the front-rear direction. A second connection portion (connection portion) 71a formed at a suction port 71 of the rinsing pump 7 is detachably connected to the first connection portion 68d. For example, the first connection portion 68d and the second connection portion 71a are connected by inserting (fitting) the tip of the first connection portion 68d into the opening of the second connection portion 71a. An O-ring is arranged on the inner peripheral surface of the second connection portion 71a, and liquid-tightly contacts the outer peripheral surface of the first connection portion 68d.

The rinsing pump 7 is detachably fixed to the inner surface of the bottom portion 11F of the machine chamber 1A by a rinsing pump fixing portion 75. As shown in FIG. The rinsing pump 7 is arranged such that the opening direction of the suction port 71 opens toward the back in the front-rear direction, and the opening direction of the discharge port 72 opens toward the left side in the left-right direction. It is installed in the machine room 1A. The rinsing pump fixing portion 75 has a plate-like portion that protrudes forward in the front-rear direction from the lower end of the rinsing pump 7, and the plate-like portion is attached to the inner surface of the bottom portion 11F of the machine chamber 1A by screws or the like (not shown). . Rinse pump 7 is secured directly behind lower front panel 11D by rinse pump fixture 75. As shown in FIG.

The rinsing tank 6 is formed with an overflow portion 63 through which water exceeding a predetermined storage volume is discharged. A drain hose (not shown) is connected to the overflow portion 63 . The water that has flowed out of the overflow portion 63 is configured to be drained, for example, to the storage portion 22 of the washing tank 20 in the machine room 1A or to the outside of the machine through a drain hose. The overflow portion 63 is formed on a front side portion 6e (a surface forming one side in the first direction) that constitutes the front side of the rinsing tank 6 in the front-rear direction. The rinsing tank 6 is detachably provided with a valve 60B for controlling the inflow of water from the water supply pipe 60 . The valve 60B is detachably attached to the outer surface of the left side 6c of the rinsing tank 6 by a valve supporting portion (rinsing valve supporting portion) 69A and a valve mounting portion (rinsing valve mounting portion) 69B. It is connected to the valve connection portion 6d provided in 6c.

The valve support portion 69A is made of a material such as stainless steel and attached to the valve 60B. The valve support portion 69A has a fixing surface 69Aa, which is a surface perpendicular to the front-rear direction, formed by bending. The valve mounting portion 69B is made of a material such as stainless steel, and is detachably provided on the outer surface of the left side portion 6c of the rinsing tank 6. As shown in FIG. The valve mounting portion 69B is formed with a fixing surface 69Ba, which is a surface perpendicular to the front-rear direction, by bending. The valve mounting portion 69B supports the valve support portion 69A supporting the valve 60B. A fixed surface 69Aa of the valve support portion 69A that supports the valve 60B is detachably attached to a fixed surface 69Ba of the valve attachment portion 69B by a screw 69 that is screwed from the front side in the front-rear direction.

Here, a procedure for removing the rinsing pump 7 and the rinsing tank 6 from the machine room 1A, for example, during maintenance will be described. First, the lower front panel 11D is removed from the frame to open the inside of the machine room 1A to the outside. Next, the screw 69 that fixes the valve support portion 69A and the valve attachment portion 69B is removed, and the valve 60B is removed from the valve connection portion 6d. Since the screw head of the screw 69 faces forward in the front-rear direction, the work can be performed from the front of the machine room 1A.

Next, the rinse pump fixing portion 75 is removed from the bottom portion 11F of the machine chamber 1A. Specifically, the screw (not shown) that attaches the rinsing pump fixing portion 75 to the bottom portion 11F of the machine chamber 1A is removed. As a result, the rinsing pump 7 and the rinsing pump fixing portion 75 can be integrally removed from the machine chamber 1A. Next, remove the rinse pump 7 from the rinse tank 6 . Specifically, by pulling out the rinsing pump 7 forward, the second connecting portion 71a of the rinsing pump 7 fitted in the first connecting portion 68d of the first flow path 68A is extracted from the first connecting portion 68d. As a result, the connection between the first connection portion 68d of the first flow path 68A and the second connection portion 71a of the rinsing pump 7 is released.

Next, after removing the drain hose connected to the overflow portion 63 of the rinsing tank 6, the rinsing tank 6 is pulled forward. As a result, the outer surface of the bottom portion 6 a of the rinsing tank 6 slides on the upper surface of the first connecting portion 66 b of the first rinsing tank fixing portion 66 . Also, the second connecting portion 67b of the second rinsing tank fixing portion 67 attached to the rinsing tank 6 slides on the inner surface of the bottom portion 11F of the machine chamber 1A. Then, the holding portion 65 c of the holding portion 65 attached to the outer surface of the bottom portion 6 a of the rinsing tank 6 is pulled out from the insertion portion 66 e of the first rinsing tank fixing portion 66 . As a result, the fixing (positioning) of the rinsing tank 6 with respect to the machine room 1A is released. Then, the rinsing tank 6 can be taken out from the machine room 1A.

Next, the procedure for attaching the rinsing pump 7 and the rinsing tank 6 to the machine room 1A will be described. The rinsing tank 6 with the second rinsing tank fixing portion 67 attached to the outer surface of the bottom portion 6a is placed on the inner surface of the bottom portion 11F of the machine chamber 1A and pushed out toward the back in the front-rear direction. As a result, the outer surface of the bottom portion 6 a of the rinsing tank 6 slides on the upper surface of the first connecting portion 66 b of the first rinsing tank fixing portion 66 . Also, the second connecting portion 67b of the second rinsing tank fixing portion 67 attached to the rinsing tank 6 slides on the inner surface of the bottom portion 11F of the machine chamber 1A. At this time, the rinsing tank 6 is pushed out so that the holding portion 65 c of the holding portion 65 attached to the outer surface of the bottom portion 6 a of the rinsing tank 6 is inserted into the insertion portion 66 e of the first rinsing tank fixing portion 66 . As a result, the sandwiching portion 65c of the sandwiching portion 65 is inserted into the insertion portion 66e of the first rinsing tank fixing portion 66, and the outer surface of the bottom portion 6a of the rinsing tank 6 and the sandwiching portion 65c of the sandwiching portion 65 hold the first The first connecting portion 66b of the rinsing tank fixing portion 66 is clamped. That is, the rinsing tank 6 is fixed (positioned) with respect to the machine room 1A.

Next, a drain hose is attached to the overflow portion 63 of the rinsing tank 6, and the rinsing pump 7 with the rinsing pump fixing portion 75 attached thereto is attached to the bottom portion 11F of the machine chamber 1A. Specifically, after the first connection portion 68d of the first flow path 68A and the second connection portion 71a of the rinsing pump 7 are aligned in the longitudinal direction, the rinsing pump 7 is pushed backward. Thereby, the second connection portion 71a of the rinsing pump 7 is inserted (fitted) into the first connection portion 68d of the first flow path 68A, and the second connection portion 71a and the first connection portion 68d are connected. Next, the rinsing pump fixing portion 75 is attached to the bottom portion 11F of the machine chamber 1A with screws (not shown). As a result, the rinsing pump 7 is fixed to the machine chamber 1A, and the rinsing tank 6 is restricted from moving forward in the longitudinal direction. Next, the valve support portion 69A to which the valve 60B is fixed is fixed to the valve mounting portion 69B, and the valve 60B is connected to the valve connection portion 6d. Then, the lower front panel 11D is attached to the frame.

As shown in FIGS. 12 and 13, the door portion 15 includes a handle 15A and a door body 15B. The door body 15B includes a first door panel 151A arranged on the outer side OS (see FIG. 14) opposite to the washing chamber 1B side when attached to the main body 1, and an inner side IS on the washing chamber 1B side in the front-rear direction. and a second door panel 151B arranged on the second door panel 151B (see FIG. 14). The first door panel 151A and the second door panel 151B are made of a material such as stainless steel.

As shown in FIGS. 12 and 14, standing portions 151Ad standing from the main surface 151Ac are formed on the left and right outer edges of the first door panel 151A. A flange portion 151Ae is formed at the tip of the standing portion 151Ad. The second door panel 151B has a main surface 151Ba and a flange portion 151Bb formed on the outer edge of the main surface 151Ba. The second door panel 151B is arranged so that the flange portion 151Bb of the second door panel 151B overlaps the flange portion 151Ae of the first door panel 151A. A portion of the second door panel 151B that overlaps the flange portion 151Bb is welded. The welding point W between the flange portion 151Bb and the flange portion 151Ae may be provided intermittently or may be provided continuously. The door portion 15 of the present embodiment, which is formed by welding the first door panel 151A and the second door panel 151B, is not twisted even when a torsional force is applied, and the rigidity of the door portion 15 is increased. be able to.

The handle 15A extends in the left-right direction, and a grip portion 15Ac that can be gripped by an operator is formed on the outer side described above. A lower end portion 15Aa of the handle 15A is attached to an upper end portion of the door body 15B (first door panel 151A). A claw portion 15Ab that can be inserted into a long hole 151Ab formed in the upper end portion 151Aa of the first door panel 151A is formed at the lower end portion of the handle 15A. When the claw portion 15Ab is inserted into the long hole 151Ab and the handle 15A is slid in the direction of the long hole with respect to the door body 15B, the claw portion 15Ab and the lower end portion 15Aa sandwich the upper end portion 151Aa. As a result, the handle 15A and the door body 15B are fixed. Furthermore, the handle 15A is fixed to the second door panel 151B of the door main body 15B at both left and right ends by left and right screws 15Ad, 15Ad.

As shown in FIGS. 15 to 18, the door portion 15 is attached via a door hinge 152 attached to the main body portion 1. As shown in FIGS. The door hinge 152 has a plate-like portion 153, a rotating portion 154A, and a screw 154B. The plate-like portion 153 constitutes a portion attached to the main body portion 1 as will be described later in detail. 154 A of rotation parts are provided in the plate-shaped part 153, and are hinge pins which support the stopper 155 so that rotation is possible. The screw 154B functions as a retainer that prevents the stopper 155 rotatably provided on the rotating portion 154A from slipping out of the rotating portion 154A. With the door hinge 152 attached to the main body 1, the stopper 155 rotates about the axis A extending in the left-right direction and in the horizontal direction with respect to the rotating portion 154A. With such a configuration, the door portion 15 is rotatable around the axis A. As shown in FIG. In this embodiment, the door portion 15 and the door hinge 152 are integrally formed.

The plate-like portion 153 is formed in a plate shape. The strength (rigidity) of the plate-like portion 153 is improved by forming a constriction. The stopper 155 is formed like a plate like the door hinge 152, and is fixed to the door main body 15B. In the dishwasher 100 of the present embodiment, the plate-like stopper 155 is configured to be rotatable with respect to the plate-like plate-like portion 153 via the rotating portion 154A, so that the rotating structure of the door portion 15 is compact. can be constructed as thin as possible. This allows a pivoting arrangement in the door section 15 to be provided in the narrow space between the rinse pump 7 and the side panel 11A, as shown in FIG.

The plate-like portion 153 is attached to the body portion 1 . The plate-like portion 153 is attached to the fixed portion 18 through an insertion hole 153 a provided in the plate-like portion 153 and an insertion hole 18 b formed in the fixed portion 18 that is part of the frame of the main body 1 . , a screw 157 or the like. The insertion hole 153 a and the insertion hole 18 b are aligned by inserting a temporary fixing claw 156 provided on the door hinge 152 into the positioning hole 18 a formed in the fixed portion 18 . The positioning hole 18a is formed to open forward in the front-rear direction. This makes it easy to insert the temporary fixing claws 156 of the door hinge 152 into the positioning holes 18 a from the front side of the dishwasher 100 .

According to the rotating structure of the door portion 15 configured as described above, when the door portion 15 is removed from the main body portion 1 for maintenance or the like, the lower front panel 11D is removed from the frame, and the door hinge 152 exposed to the outside is removed from the main body. Remove from part 1. More specifically, the door hinge 152 and the door portion 15 can be removed integrally by removing the two screws 157, 157 that fix the door hinge 152 to the portion 18 to be fixed. When the door portion 15 is attached to the main body portion 1, the temporary fixing claws 156 of the door hinge 152 attached to the door portion 15 are inserted into the positioning holes 18a formed in the fixed portion 18, and the fixed portion 18 is to temporarily fix the door hinge 152. In this state, the insertion hole 153a and the insertion hole 18b are aligned in the front-rear direction. The molded door portion 15 can be fixed to the main body portion 1 . At this time, screwing of the screw 157 can be performed from the front side of the dishwasher 100, so workability is excellent.

Further, in the conventional structure in which the door portion and the hinge portion are not integrated, it is necessary to attach the door hinge to the main body portion and then assemble the door portion to the door hinge, resulting in poor assemblability. Compared to such a conventional rotating structure of the door part, according to the rotating structure of the door part 15 of the present embodiment, the door part can be 15 can be assembled to the main body 1, so the assembly is excellent.

Next, the effect of the dishwasher 100 of the said embodiment is demonstrated. As shown in FIG. 3, in the dishwasher 100 of the above-described embodiment, members to be maintained, that is, the rinsing tank 6 and the rinsing pump 7 are arranged in a row in the front-rear direction (first direction). If the rinsing pump 7 is taken out from the front side (one side) in the longitudinal direction, the rinsing tank 6 can also be taken out from the front side in the longitudinal direction. In addition, since the rinsing pump 7, which is generally smaller in size than the rinsing tank 6, is arranged on the front side in the front-rear direction with respect to the rinsing tank 6, after removing the rinsing pump 7, rinsing is performed from the front side in the front-rear direction. Easy access to tank 6. As a result, in the configuration in which the longitudinal direction of the washing tank 20 and the rinsing tank 6 is arranged in the front-rear direction of the machine room 1A, and the washing tank 20 and the rinsing tank 6 are arranged in the left-right direction (second direction), Maintainability of the rinsing tank 6 and the rinsing pump 7 from the front side in the longitudinal direction of the machine room 1A can be ensured.

In the dishwasher 100 of the above-described embodiment, as shown in FIGS. 1 and 3, the machine room 1A has a front side in the front-rear direction and a lower side that opens the internal space of the machine room 1A to the outside of the machine room 1A. A front panel 11D is provided. As a result, the lower front panel 11D provided on the front side of the machine room 1A in the front-rear direction is removed to open the machine room 1A, and the rinsing pump 7 and the rinsing tank 6 are taken out or installed from the opened portion. be able to. That is, attachment and detachment of the rinsing tank 6 and the rinsing pump 7 can be facilitated.

In the dishwasher 100 of the above embodiment, as shown in FIG. 4, the rinsing tank 6 is arranged with a gap G between it and the bottom portion 11F of the machine chamber 1A. As a result, for example, wiring can be arranged in the gap G formed between the bottom portion 11F of the machine room 1A and the rinsing tank 6, so that the limited space in the machine room 1A can be effectively utilized. be able to. For example, wiring connected to parts arranged in the center of the machine room 1A, such as the cleaning pump 5, the cleaning water heater 25A, the detergent supply pump 8, and the rinse agent supply pump 9, is passed through the gap G, and furthermore, the exterior panel 11 and the interior It can be connected to the controller 10 through the panel 2 .

In the dishwasher 100 of the above embodiment, the connection port 6b of the rinsing tank 6 of the rinsing pump 7 is formed in the bottom portion 6a of the rinsing tank 6, as shown in FIGS. As a result, almost all of the water stored in the rinsing tank 6 can be used. Further, in the dishwasher 100 of the above embodiment, as shown in FIG. 4, the piping unit (flow path) 68 connected to the connection port 6b is arranged between the rinsing tank 6 and the bottom portion 11F of the machine chamber 1A. By arranging in the gap G, the gap G can be effectively utilized.

As shown in FIG. 5, the connection port 6b in the rinsing tank 6 of the dishwasher 100 of the above-described embodiment has a first flow path 68A communicating with the rinsing pump 7 and the water stored in the rinsing tank 6 to the outside. A branch portion 68C is provided to branch to the second flow path 68B for discharging. In this configuration, since the water stored in the rinsing tank 6 is discharged through the connection port 6b formed in the bottom portion 6a of the rinsing tank 6, almost all of the water stored in the rinsing tank 6 can be discharged. can.

In the dishwasher 100 of the above-described embodiment, as shown in FIG. 11, the rinsing pump 7 is provided with a second connection portion 71a that opens toward the rear side in the front-rear direction, and the rinsing tank 6 is provided with a second connection portion 71a. , a first connecting portion 68d of the first flow path 68A that opens forward in the front-rear direction. In this configuration, the direction in which the rinsing pump 7 is taken in and out along the front-rear direction coincides with the direction in which the rinsing pump 7 is attached to and detached from the rinsing tank 6 via the first flow path 68A. becomes easier.

The dishwasher 100 of the above embodiment includes the first rinsing tank fixing portion 66 as shown in FIG. 6(A). In the first rinsing tank fixing portion 66 of this aspect, a large contact area of the first connecting portion 66b with respect to the rinsing tank 6 can be ensured, so strength can be ensured. In addition, when the rinsing tank 6 is attached to or removed from a predetermined position, the rinsing tank 6 can be easily slid with respect to the first connecting portion 66b, which facilitates attachment/detachment work.

In the dishwasher 100 of the above embodiment, as shown in FIGS. 7A and 7B, the rinsing tank 6 is moved from the front side to the rear side in the front-rear direction with respect to the first rinsing tank fixing portion 66. A sandwiching portion 65 is provided so as to sandwich the first connecting portion 66b when it is closed. In this configuration, the first rinsing tank fixing portion 66 can be fixed by a simple operation of moving the rinsing tank 6 from the front side to the rear side in the front-rear direction with respect to the first connecting portion 66b of the first rinsing tank fixing portion 66. The rinsing tank 6 can be fixed against.

The dishwasher 100 of the above embodiment includes the second rinsing tank fixing portion 67 as shown in FIG. 6(B). In the second rinsing tank fixing portion 67 of this configuration, the second fixing portions 67c, 67c to be attached to the rinsing tank 6 can have a wide area, and the second connecting portion 67b can slide against the inner surface of the bottom portion 11F of the machine room 1A. By moving, the rinsing tank 6 can be positioned at a predetermined position.

In the dishwasher 100 of the above embodiment, the rinsing tank 6 arranged behind the rinsing pump 7 in the longitudinal direction is positioned in the longitudinal direction by fixing the rinsing pump 7 via the rinsing pump fixing portion 75 . be. Thereby, the rinsing tank 6 and the rinsing pump 7 can be integrally fixed to the machine room 1A by a simple work of fixing the rinsing tank 6 to the inner surface of the bottom portion 11F of the machine room 1A.

In the dishwasher 100 of the above embodiment, as shown in FIGS. 8 and 9, the valve support portion 69A supporting the valve 60B is attached to the valve attachment portion 69B by a screw 69 screwed from the front side in the front-rear direction. detachably attached to the As a result, the operator can attach the valve 60B to the rinsing tank 6 by attaching or detaching the screw 69 from the front side in the front-rear direction, so maintenance of the valve 60B is excellent.

In the dishwasher 100 of the above-described embodiment, as shown in FIG. 8, an overflow portion 63 is formed in the front side portion 6e of the rinsing tank 6 for discharging water exceeding a predetermined amount of water stored in the rinsing tank 6. In this configuration, when removing the rinsing tank 6, the hose is removed before or during pulling out the rinsing tank 6 forward in the front-rear direction, and when attaching the rinsing tank 6, the rinsing tank 6 is pushed rearward in the front-rear direction. It becomes easy to attach a discharge hose (not shown) during or after pushing.

Although one embodiment has been described above, the present invention is not limited to the above embodiment, and various modifications are possible without departing from the scope of the invention.

In the above-described embodiment, the washing tank 20 and the rinsing tank 6 are arranged in the machine room 1A such that the front-rear direction is the longitudinal direction, and are arranged in the machine room 1A so as to be aligned in the left-right direction. However, it is not limited to this. For example, the washing tank 20 and the rinsing tank 6 may be arranged in the machine room 1A such that the left-right direction is the longitudinal direction, and arranged side by side in the front-rear direction. For example, in the dishwasher 100 in which the left and right side panels 11A are detachable from the frame of the main body 1, the configuration of such a modified example allows the rinsing tank from the side from which the side panels 11A are removed. 6 and the rinsing pump 7 can be maintained easily.

<Other Modifications>
In the above embodiment and modified example, the connection port 6b of the rinsing tank 6 is provided in the bottom portion 6a of the rinsing tank 6, but it may be provided in the front side portion 6e. Even with this configuration, it is possible to provide a connecting portion of the channel member that opens forward in the front-rear direction, so that the connection with the rinsing tank 6 can be easily performed.

In the above-described embodiment and modification, the rack rails 23 are formed integrally with the side panels 2A, 2A by drawing. 2A, may be formed by attaching to the inner surface of 2A.

The above embodiments and modifications are applicable not only to the type of dishwasher 100 in which the door portion 15 is provided on the front side of the main body portion 1, but also to, for example, a type of dishwasher in which the door portion opens and closes up and down. can also be applied to

The present invention may appropriately combine the above-described embodiment and other modifications.

DESCRIPTION OF SYMBOLS 1... Main-body part 1A... Machine room 1B... Washing room 6... Rinsing tank 6a... Bottom part 6b... Connection port 6c... Left side part 6e... Front side part 7... Rinsing pump 11D... Lower front part Panel (cover), 11F... Bottom part, 15... Door part, 60B... Valve (rinsing valve), 63... Overflow part (discharge part), 65... Sandwiching part, 66... First rinsing tank fixing part, 67... Second Rinsing tank fixing part 68 Piping unit 68A First flow path (flow path member) 68B Second flow path 68C Branching part 68d First connection part 69A Valve support part (rinsing valve support part ), 69B... valve mounting portion (rinsing valve mounting portion), 71... suction port, 71a... second connecting portion (connecting portion), 75... rinsing pump fixing portion, 100... dishwasher (washing machine), D... tableware (object to be washed), G: Gap.

Claims (12)

a washing tank for storing washing water used for washing the object to be washed;
a washing pump for sending the washing water to a washing chamber containing the object to be washed;
a rinsing tank for storing rinsing water used for rinsing the object to be washed;
a rinse pump for delivering the rinse water to the wash chamber;
a machine room that forms a space extending in a first direction and a second direction orthogonal to the first direction when viewed in a vertical direction, and is arranged below the washing room;
The washing tank and the rinsing tank are arranged so that the first direction is the longitudinal direction, and are arranged in the machine room so as to be aligned in the second direction,
The rinsing pump is attachable to and detachable from the machine room so as to be on one side in the first direction with respect to the rinsing tank detachable from the machine room and to be aligned in the first direction with respect to the rinsing tank. Washing machine located. 2. The washing machine according to claim 1, wherein the machine room is provided with a cover on one side in the first direction for opening the space to the outside of the machine room. 3. The washing machine according to claim 1, wherein said rinsing tank is arranged with a gap between it and the bottom of said machine room. 4. The washing machine according to claim 3, wherein said rinsing tank has a connection port connected to said rinsing pump formed at the bottom of said rinsing tank. The connection port of the rinsing tank is provided with a branching portion that branches into a first flow path that communicates with the rinsing pump and a second flow path that discharges water stored in the rinsing tank to the outside. 5. The washing machine according to item 4. The rinsing pump has a connecting portion that opens toward the other side in the first direction,
The rinsing tank is provided with a channel member that extends from the connection port of the rinsing tank to a distal end toward one side in the first direction and opens toward the one side in the first direction. and
The washing machine according to any one of claims 1 to 5, wherein said connecting portion and the tip of said channel member are detachably connected. Further comprising a first rinsing tank fixing part provided on the inner surface of the bottom of the machine room and supporting the rinsing tank from below,
The first rinsing tank fixing portion includes a pair of first extension portions extending in the vertical direction and a first extension portion extending in the second direction and connecting one end portions of the pair of first extension portions to each other. a connecting portion and a pair of first fixing portions respectively provided at the other end portions of the pair of first extending portions;
The first connecting portion supports the rinsing tank from below,
The washing machine according to any one of claims 1 to 6, wherein the pair of first fixing parts are fixed to the inner surface of the bottom of the machine room. The outer surface of the bottom of the rinsing tank is formed with a sandwiching portion that extends in the first direction and sandwiches the first connecting portion between itself and the outer surface of the bottom of the rinsing tank,
8. The sandwiching portion is formed so as to sandwich the first connecting portion when moved from one side to the other side in the first direction with respect to the first rinsing tank fixing portion. washing machine as described. A second rinsing tank fixing part, which is a separate member from the first rinsing tank fixing part, is provided on the inner surface of the bottom of the machine room and supports the rinsing tank from below,
The second rinsing tank fixing portion includes a pair of second extension portions extending in the vertical direction, and a second extension portion extending in the second direction and connecting one ends of the pair of second extension portions to each other. a connecting portion and a pair of second fixing portions provided at the other end portions of the pair of second extending portions, respectively;
Each of the pair of second fixing parts is fixed to the outer surface of the bottom of the rinsing tank,
9. The washing machine according to claim 7, wherein said second connecting part is placed on the inner surface of the bottom of said machine room. further comprising a rinsing pump fixing portion for fixing the rinsing pump connected to the rinsing tank to the inner surface of the bottom of the machine chamber;
The washing machine according to any one of claims 6 to 9, wherein the rinsing pump fixing portion is detachably provided on the inner surface of the bottom portion of the machine chamber. a rinsing valve that is detachably provided in the rinsing tank and switches whether water is supplied to the rinsing tank;
a rinse valve support for supporting the rinse valve;
a rinsing valve mounting portion provided in the rinsing tank and detachably mounting the rinsing valve support portion;
11. The rinsing valve support portion supporting the rinsing valve is detachably attached to the rinsing valve attachment portion by a screw that is screwed from one side in the first direction. 1. Washing machine according to item 1. The rinsing tank is formed with a discharge portion for discharging water exceeding a predetermined storage volume,
The washing machine according to any one of claims 1 to 11, wherein the discharge part is formed on a surface forming one side in the first direction in the rinsing tank.

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