Shunt valve device and dish-washing machine

Abstract

The utility model relates to a shunt valve device and a dish washing machine. The shunt valve device comprises a valve body and a switching assembly. The valve body is installed on the inner container. The valve body is provided with a water inlet channel, a water distribution cavity and water outlet channels which are sequentially communicated, the number of the water outlet channels is not less than two, at least two water outlet channels extend into the inner container, at least one or two water outlet channels extending into the inner container are configured to be connected with a spraying arm of the dish washing machine, and after a water supply source is connected, liquid enters the water distribution cavity through the water inlet channel and flows into the water distribution cavity through the water outlet channel. The liquid is conveyed to the corresponding spraying arms from the water distribution cavity through the water outlet channel; at least part of the switching assembly extends into the water dividing cavity, the switching assembly moves in the water dividing cavity to selectively conduct or cut off the water outlet channel, and under the condition that a water cup of the dish washing machine is separated from the water dividing valve, a liquid conveying pipeline between the valve body and a spraying arm of the dish washing machine can be arranged in the inner container; related water leakage risks are avoided while the single-time water consumption of the dish-washing machine is reduced, and meanwhile water path control over regional washing can be achieved.

Description

Technical Field

[0001] This application relates to the field of dishwasher technology, and more particularly to a water distribution valve device and a dishwasher. Background Technology

[0002] To save water and electricity or meet other functional requirements, most dishwashers in China now come with a water distribution valve. Currently, there are two types of water distribution valves: the first is integrated into the water cup, and the second is separate from the water cup and installed independently within the inner tub. The first type, with the valve integrated into the water cup, reduces the number of parts but increases the size of the water cup, leading to increased water consumption per cycle. The second type, with the water cup and valve separate and installed independently within the inner tub, reduces water consumption per cycle. However, currently, the separate water distribution valves on the market all have water flowing inside the inner tub from the lower spray arm, while water from the middle and top spray arms flows outside, increasing the risk of leaks. Utility Model Content

[0003] Therefore, it is necessary to provide a water distribution valve device and a dishwasher to address the aforementioned problems with existing dishwashers.

[0004] The first aspect of this application provides a water distribution valve device, which is installed on the inner tub of a dishwasher, the inner tub being provided with a washing chamber, the device comprising:

[0005] The valve body extends at least partially into the washing chamber. The valve body is provided with a water distribution chamber and a water inlet channel and a water outlet channel communicating with the water distribution chamber. The number of water outlet channels is not less than two, and at least two of the water outlet channels extend into the inner tank. At least one or two of the water outlet channels extending into the inner tank are configured to be connected to the spray arm of the dishwasher. The spray arm of the dishwasher is correspondingly connected to the water outlet channel.

[0006] A switching component, which extends at least partially into the water distribution chamber and is movable within the water distribution chamber to selectively open or close the water outlet channel.

[0007] This application discloses a water distribution valve device, including a valve body and a switching component. The valve body is installed on the inner tub of a dishwasher, and at least partially extends into the washing chamber of the inner tub. The valve body is provided with a water inlet channel, a water distribution chamber, and a water outlet channel connected in sequence. There are at least two water outlet channels, and at least two water outlet channels extend into the inner tub. At least one or two water outlet channels extending into the inner tub are configured to connect to the spray arms of the dishwasher. After the water supply is connected, the liquid enters the water distribution chamber through the water inlet channel, and then the liquid is transferred from the water distribution chamber to the corresponding spray arms through the water outlet channels. The switching component extends at least partially into the water distribution chamber, and the switching component can move within the water distribution chamber to selectively open or close the water outlet channels. Through the cooperation of the valve body and the switching component, when the water cup of the dishwasher is separated from the water distribution valve, the liquid transmission pipes between the valve body and the spray arms of the dishwasher can be set inside the inner tub. This reduces the water consumption of the dishwasher per cycle and avoids the related risk of leakage. At the same time, it can also realize water circuit control for zone washing.

[0008] In one embodiment, the drain outlets of the water outlet channels extending into the inner liner are all distributed on the same side of the valve body.

[0009] In one embodiment, the switching component includes a drive motor and a movable paddle, the movable paddle extending at least partially into the water distribution chamber, the drive motor being connected to the movable paddle to drive the movable paddle to move within the water distribution chamber, and the water outlet channel blocked by the movable paddle being in a closed state.

[0010] The water distribution valve device in the above embodiment drives the movable lever to rotate in the water distribution chamber by a drive motor. The movable lever can be stopped at the corresponding position as needed, so that the corresponding water outlet channel is in a closed state, thereby realizing water circuit control for regional washing.

[0011] In one embodiment, the width of the movable lever is not less than the diameter of the water outlet channel.

[0012] In the above embodiment, the water distribution valve device is configured such that the width of the movable lever is greater than the diameter of the water outlet channel, so that the movable lever can completely block the water inlet of the water inlet channel, ensuring that the corresponding water outlet channel is completely shut off.

[0013] In one embodiment, the water distribution cavity is cylindrical in shape, and the connection points between the water outlet channel and the water distribution cavity are distributed on the curved surface of the cylinder. The movable paddle is arc-shaped and matches the cavity wall of the water distribution cavity, and the movable paddle rotates around the center line of the cylinder.

[0014] The water distribution valve device in the above embodiment reduces the resistance of the movable paddle rotating in the water distribution cavity by matching the shape of the movable paddle with the cavity wall, and at the same time allows the movable paddle to better fit the inlet of the water outlet channel, thus preventing water leakage.

[0015] In one embodiment, the water outlet direction of at least one of the water outlet channels forms an angle with the water outlet direction of the other water outlet channel.

[0016] The water distribution valve device in the above embodiment, by having at least one water outlet channel with an angle to the water outlet channel of another water outlet channel, can direct the water flow to the back of the inner tank, which is convenient for connection with other spray arms except the lower spray arm. The connecting pipe does not need to run outside the inner tank, thus avoiding water leakage problems outside the inner tank.

[0017] In one embodiment, the valve body includes a top cover and a base, the top cover and the base being respectively disposed on the inner tub, the top cover being located inside the washing chamber and the base being located outside the washing chamber, a second mounting hole being provided at the bottom of the inner tub, and at least a portion of one of the top cover and the base passing through the second mounting hole to connect with the other.

[0018] The water distribution valve device in the above embodiment is respectively installed on the inner and outer sides of the washing chamber by a top cover and a base. A second mounting hole is provided at the bottom of the inner tank so that the top cover and the base can be connected. Moreover, no less than two water outlet channels can extend into the washing chamber and connect with the spray arm.

[0019] In one embodiment, the valve body further includes a connecting seat, which is a groove structure with openings at both ends. The connecting seat is installed on one of the water outlet channels, with one end of the connecting seat connected to the spray arm and the other end connected to the top cover or the base.

[0020] In one embodiment, the valve body further includes a connecting seat, which is a groove structure with openings at both ends. The connecting seat is installed on one of the water outlet channels, with one end of the connecting seat connected to the spray arm and the other end connected to the top cover or the base.

[0021] In one embodiment, a seal is provided between the top cover and the base, the seal being used to seal the gap between the top cover and the base.

[0022] The water distribution valve device in the above embodiment can seal the gap between the top cover and the base by setting a sealing element, thus preventing water leakage from the outside of the inner tank.

[0023] A dishwasher is provided in the second aspect of this application, including the water distribution valve device described in any of the above claims. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the assembly of the water distribution valve device and the dishwasher inner tub in one embodiment. Figure 1 ;

[0025] Figure 2 This is a schematic diagram of the assembly of the water distribution valve device and the dishwasher inner tub in one embodiment. Figure 2 ;

[0026] Figure 3 This is a schematic diagram of the assembly of the top cover and the base in one embodiment;

[0027] Figure 4 This is a schematic diagram of the assembly of the switching component and the base in one embodiment;

[0028] Figure 5 This is a schematic diagram of the lower spray arm in one embodiment;

[0029] Figure 6 This is a schematic diagram of the connector structure in one embodiment;

[0030] Figure 7 This is a schematic diagram of liquid transfer when the movable lever is in the third position in one embodiment;

[0031] Figure 8 This is a schematic diagram of liquid transfer when the movable lever is in the first position in one embodiment;

[0032] Figure 9 This is a schematic diagram of liquid transfer when the movable lever is in the second position in one embodiment.

[0033] Figure label:

[0034] 10-point water valve device, 20-inch inner tank, 30-inch lower spray arm;

[0035] 11 Valve body, 111 Top cover, 112 Base, 113 Connecting seat, 114 Seal, 1131 Limiting boss, 121 Drive motor, 122 Movable paddle, 101 Water distribution chamber, 102 Water inlet channel, 103 Water outlet channel, 103a First channel, 103b Second channel, 104 First mounting hole;

[0036] 201 Washing chamber, 202 Second mounting hole, 310 Water injection column, 320 Limiting buckle. Detailed Implementation

[0037] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0038] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate for the embodiments of this application described herein.

[0039] like Figure 1-4 As shown, this embodiment provides a water distribution valve device, which is installed on the inner tub 20 of a dishwasher. The inner tub 20 is provided with a washing chamber 201. The device includes:

[0040] The valve body 11 extends at least partially into the washing chamber 201. The valve body 11 is provided with a water distribution chamber 101, and a water inlet channel 102 and a water outlet channel 103 communicating with the water distribution chamber 101. There are at least two water outlet channels 103, and at least two water outlet channels 103 extend into the inner tank 20. At least one or two water outlet channels 103 extending into the inner tank 20 are configured to be connected to the spray arm of the dishwasher.

[0041] The switching component 12 extends at least partially into the water distribution chamber 101 and can move within the water distribution chamber 101 to selectively open or close the water outlet channel 103.

[0042] The water distribution valve device disclosed in this application includes a valve body 11 and a switching component 12. The valve body 11 is installed on the inner tub 20 of the dishwasher, and the valve body 11 extends at least partially into the washing chamber 201 of the inner tub 20. The valve body 11 is provided with a water inlet channel 102, a water distribution chamber 101 and a water outlet channel 103 connected in sequence. There are not less than two water outlet channels 103, and at least two water outlet channels 103 extend into the inner tub 20. At least one or two water outlet channels 103 extending into the inner tub 20 are configured to be connected to the spray arms of the dishwasher. After the water source is connected, the liquid enters the water distribution chamber 101 through the water inlet channel 102, and then the liquid is transferred from the water distribution chamber 101 to the corresponding spray arms through the water outlet channel 103. The switching component 12 extends at least partially into the water distribution chamber 101, and the switching component 12 can move in the water distribution chamber 101 to selectively open or close the water outlet channel 103. With the cooperation of valve body 11 and switching component 12, when the water cup and water distribution valve of the dishwasher are separated, the liquid transmission pipe between valve body 11 and the spray arm of the dishwasher can be set inside the inner tank 20. This reduces the water consumption of the dishwasher per cycle and avoids the risk of related water leakage. At the same time, it can also realize water circuit control for zone washing.

[0043] The valve body 11 can be a shell structure with an internal cavity. The valve body 11 may contain a water distribution chamber 101, an inlet channel 102, and an outlet channel 103, which are sequentially connected.

[0044] The water inlet channel 102 can be used to connect to a water supply source. Specifically, one end of the water inlet channel 102 is connected to the water supply source, and the other end is connected to the water distribution chamber 101. The liquid supplied by the water supply source enters the water distribution chamber 101 through the water inlet channel 102 and is then discharged through the water outlet channel 103.

[0045] The water outlet channel 103 can be used to connect to the spray arms of the dishwasher. The spray arms of the dishwasher can be selected according to actual needs. For example, for families with a small amount of dishes, only the lower spray arm 30 and the top fixed spray (i.e., the upper spray arm) are usually configured. For families with a large amount of dishes that require fine cleaning, three spray arms are usually configured, namely the lower spray arm 30, the middle spray arm and the upper spray arm.

[0046] The number of water outlet channels 103 may be no less than two, and at least two water outlet channels 103 extend into the inner tank 20. At least one or two water outlet channels 103 extending into the inner tank 20 are configured to connect to the spray arms of the dishwasher. For example, there are two water outlet channels 103, namely a first channel 103a and a second channel 103b, which are respectively connected to the water distribution chamber 101. Taking the dishwasher with an upper spray arm (not shown in the figure) and a lower spray arm 30 as an example, the first channel 103a is connected to the lower spray arm 30, and the second channel 103b is connected to the upper spray arm. When the first channel 103a is open and the second channel 103b is closed, only the lower spray arm 30 sprays water; when both the first channel 103a and the second channel 103b are open, both the lower spray arm 30 and the upper spray arm spray water; when the first channel 103a is closed and the second channel 103b is open, only the upper spray arm sprays water. Since the valve body 11 has at least two water outlet channels 103, both the upper spray arm and the lower spray arm 30 can be connected to the valve body 11 through pipes inside the washing chamber 201, and the water supply does not need to be connected to the upper spray arm through pipes outside the washing chamber 201. In addition, when the dishwasher adopts a three-spray arm configuration, the lower spray arm 30 can be connected to the first channel 103a, and the middle spray arm and the upper spray arm are both connected to the second channel 103b.

[0047] It should be noted that in other embodiments, the number of water outlet channels 103 can be three, four or more, and the number of water outlet channels 103 can be set according to the number of spray arms of the dishwasher.

[0048] The switching component 12 can be used to switch the operating state of the water outlet channel 103. The switching component 12 can move within the water distribution chamber 101, such as rotating, extending, or a combination of both. For example, when the switching component 12 rotates within the water distribution chamber 101, a stopped rotating switching component 12 blocks the corresponding water outlet channel 103 to control the opening or closing of the water outlet channel 103. Additionally, in some embodiments, the switching component 12 can extend or retract within the water distribution chamber 101; by changing the extension or retraction length of the switching component 12, the corresponding water outlet channel 103 can be selectively blocked.

[0049] In addition to the features of the above embodiments, this embodiment further specifies that the drain outlets of the water outlet channels 103 extending into the inner tank 20 are all distributed on the same side of the valve body 11.

[0050] like Figure 2 and Figure 4As shown, in addition to the features of the above embodiments, this embodiment further defines that: the switching component 12 includes a drive motor 121 and a movable paddle 122, the movable paddle 122 extends at least partially into the water distribution chamber 101, the drive motor 121 is connected to the movable paddle 122 to drive the movable paddle 122 to move in the water distribution chamber 101, and the water outlet channel 103 blocked by the movable paddle 122 is in a corresponding cut-off state.

[0051] Among them, such as Figures 7 to 9 As shown, the output shaft of the drive motor 121 can be connected to the movable lever 122 to drive the movable lever 122 to rotate. The movable lever 122 can rotate within the water distribution chamber 101 and form at least a first position, a second position, and a third position. Specifically, taking the number of water inlet channels 102 as an example, when the movable lever 122 is rotated to the first position, the movable lever 122 does not obstruct the first channel 103a or only partially obstructs the second channel 103b. At this time, both the first channel 103a and the second channel 103b are in a conductive state, and the lower spray arm 30 and the upper spray arm corresponding to the first conductive channel and the second channel 103b can spray water. When the movable lever 122 is rotated to the second position, the movable lever 122 does not obstruct the first channel 103a or only partially obstructs it, and completely obstructs the second channel 103b. At this time, the first channel 103a is in a conductive state, and the second channel 103b is in a closed state. When the movable lever 122 is rotated to the third position, the movable lever 122 does not obstruct the second channel 103b or only partially obstructs it, and completely obstructs the first channel 103a. At this time, the second channel 103b is in a conductive state, and the first channel 103a is in a closed state. It should be noted that the movable lever 122 can also form a fourth position within the water distribution cavity 101. When the movable lever 122 is in the fourth position, it completely blocks both the first channel 103a and the second channel 103b. At this time, both the first channel 103a and the second channel 103b are in a closed state.

[0052] The water distribution valve device in the above embodiment further limits the drive motor 121 to drive the movable paddle 122 to rotate in the water distribution chamber 101, and can stop the movable paddle 122 at the corresponding position as needed, so that the corresponding water outlet channel 103 is in the cut-off state, thereby realizing the water circuit control of the area washing.

[0053] like Figures 7 to 9 As shown, in addition to the features of the above embodiments, this embodiment further defines that the width of the movable lever 122 is not less than the diameter of the water outlet channel 103.

[0054] In the water separation valve device in the above embodiments, it is further defined that the width of the movable flap 122 is greater than the diameter of the water outlet channel 103, so that the movable flap 122 can completely block the water inlet of the water inlet channel 102, ensuring that the corresponding water outlet channel 103 is completely in a cut-off state.

[0055] As Figure 2 shown, in addition to the features of the above embodiments, this embodiment further defines that: the shape of the water separation cavity 101 is cylindrical, the joints of the water outlet channels 103 and the water separation cavity 101 are all distributed on the curved surface of the cylinder, the movable flap 122 is in an arc-shaped sheet and matches the cavity wall of the water separation cavity 101, and the movable flap 122 rotates around the central axis of the cylinder.

[0056] In the water separation valve device in the above embodiments, it is further defined that the shape of the movable flap 122 matches the cavity wall of the water separation cavity 101, reducing the resistance of the movable flap 122 rotating in the water separation cavity 101, and at the same time enabling the movable flap 122 to better fit the water inlet of the water outlet channel 103 to avoid water leakage.

[0057] As Figure 2 shown, in addition to the features of the above embodiments, this embodiment further defines that: the water outlet direction of at least one water outlet channel 103 and the water outlet direction of another water outlet channel 103 are in an included angle relationship.

[0058] Among them, taking the case where the number of water outlet channels 103 is two as an example, the included angle between the water outlet direction of the first channel 103a and the water outlet direction of the second channel 103b is a, and 0 < a ≤ 90 degrees is satisfied; for example, a = 90 degrees, the water outlet direction of the first channel 103a and the water outlet direction of the second channel 103b are perpendicular, the water outlet direction of the first channel 103a is perpendicular to the inner tank 20, and the second channel 103b can lead the water flow direction from the direction perpendicular to the inner tank 20 to the direction of the back of the inner tank 20.

[0059] In the water separation valve device in the above embodiments, it is further defined that the water outlet direction of at least one water outlet channel 103 and the water outlet direction of another water outlet channel 103 are in an included angle relationship, which can divert the water flow direction to the direction of the back of the inner tank 20, facilitating connection with other spray arms except the lower spray arm 30, and the connecting pipe does not need to go outside the inner tank 20, avoiding water leakage problems outside the inner tank 20.

[0060] As Figures 1 to 3As shown, in addition to the features of the above embodiments, this embodiment further defines that: the valve body 11 includes a top cover 111 and a base 112, the top cover 111 and the base 112 are respectively disposed on the inner liner 20, and the top cover 111 is located inside the washing chamber 201, the base 112 is located outside the washing chamber 201, a second mounting hole 202 is provided at the bottom of the inner liner 20, and at least one of the top cover 111 and the base 112 passes through the second mounting hole 202 and is connected to the other.

[0061] The water distribution valve device of the above embodiment further defines that the top cover 111 and the base 112 are respectively disposed on the inner and outer sides of the washing chamber 201. The second mounting hole 202 is provided at the bottom of the inner tank 20 so that the top cover 111 and the base 112 can be connected. Moreover, no less than two water outlet channels 103 can extend into the washing chamber 201 and connect with the spray arm.

[0062] like Figure 1 , Figure 5 and Figure 6 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the valve body 11 also includes a connecting seat 113, the connecting seat 113 is a groove structure with openings at both ends, the connecting seat 113 is installed on one of the water outlet channels 103, one end of the connecting seat 113 is connected to the spray arm, and the other end is connected to the top cover or base 112.

[0063] The connecting seat 113 can be connected to both the base 112 and the spray arm. Specifically, the connecting seat 113 is located within the first channel 103a, with one end connected to the base 112 and the other end connected to the lower spray arm 30. When the first channel 103a is open, the liquid in the water distribution chamber 101 is output to the lower spray arm 30 through the groove of the connecting seat 113. Alternatively, the connecting seat 113 can be connected to the base 112 and the lower spray arm 300 via threads, bolts, snap-fits, or other means.

[0064] like Figures 1 to 3 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: the top cover 111 has a first mounting hole 104, the connecting seat 113 passes through the first mounting hole 104 and extends into the inner liner 20, and the dishwasher's lower spray arm 30 is inserted into the connecting seat 113 and engaged with the connecting seat 113.

[0065] The connecting seat 113 and the lower spray arm 30 can be engaged. Specifically, a limiting boss 1131 is formed on the side of the connecting seat 113, and a water injection column 310 is provided in the lower spray arm 30. A limiting buckle 320 is also provided on the periphery of the water injection column 310. When the water injection column 310 is inserted into the groove of the connecting seat 113, the limiting buckle 320 engages with the limiting boss 1131, so that the lower spray arm 30 is fixed on the connecting seat 113. The lower spray arm 30 communicates with the water distribution chamber 101 after passing through the water injection column 310, the connecting seat 113, and the first channel 103a in sequence.

[0066] like Figure 1 As shown, in addition to the features of the above embodiments, this embodiment further specifies that: a sealing member 114 is provided between the top cover 111 and the base 112, and the sealing member 114 is used to seal the gap between the top cover 111 and the base 112.

[0067] The water distribution valve device in the above embodiment further limits the sealing element 114 to seal the gap between the top cover 111 and the base 112, so as to avoid water leakage outside the inner tank 20.

[0068] This embodiment provides a dishwasher that includes the aforementioned water distribution valve device.

[0069] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0070] The above embodiments merely illustrate several implementation methods of this application, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A water distribution valve device, installed on the inner tub (20) of a dishwasher, the inner tub (20) being provided with a washing chamber (201), characterized in that, include: A valve body (11) extends at least partially into the washing chamber (201). The valve body (11) is provided with a water distribution chamber (101), and a water inlet channel (102) and a water outlet channel (103) communicating with the water distribution chamber (101). The number of water outlet channels (103) is not less than two and at least two of the water outlet channels (103) extend into the inner tank (20). At least one or two of the water outlet channels (103) extending into the inner tank (20) are configured to be connected to the spray arm of the dishwasher. A switching component (12) is at least partially inserted into the water distribution chamber (101) and is movable within the water distribution chamber (101) to selectively open or close the water outlet channel (103).

2. The water distribution valve device according to claim 1, characterized in that, The drain outlets of the water outlet channel (103) extending into the inner liner (20) are all distributed on the same side of the valve body (11).

3. The water distribution valve device according to claim 1, characterized in that, The switching component (12) includes a drive motor (121) and a movable paddle (122). The movable paddle (122) extends at least partially into the water distribution chamber (101). The drive motor (121) is connected to the movable paddle (122) to drive the movable paddle (122) to move within the water distribution chamber (101). The water outlet channel (103) blocked by the movable paddle (122) is in a closed state.

4. The water distribution valve device according to claim 3, characterized in that, The width of the movable lever (122) is not less than the diameter of the water outlet channel (103); And / or, The water distribution cavity (101) is cylindrical in shape. The connection between the water outlet channel (103) and the water distribution cavity (101) is distributed on the curved surface of the cylinder. The movable paddle (122) is arc-shaped and matches the cavity wall of the water distribution cavity (101). The movable paddle (122) rotates around the center line of the cylinder.

5. The water distribution valve device according to claim 1, characterized in that, The water outlet direction of at least one of the water outlet channels (103) is at an angle to the water outlet direction of the other water outlet channel (103).

6. The water distribution valve device according to claim 1, characterized in that, The valve body (11) includes a top cover (111) and a base (112). The top cover (111) and the base (112) are respectively disposed on the inner tank (20), and the top cover (111) is located inside the washing chamber (201), while the base (112) is located outside the washing chamber (201). A second mounting hole (202) is provided at the bottom of the inner tank (20). At least one of the top cover (111) and the base (112) passes through the second mounting hole (202) and is connected to the other.

7. The water distribution valve device according to claim 6, characterized in that, The valve body (11) also includes a connecting seat (113), which is a groove structure with openings at both ends. The connecting seat (113) is installed on one of the water outlet channels (103). One end of the connecting seat (113) is connected to the spray arm, and the other end is connected to the top cover (111) or the base (112).

8. The water distribution valve device according to claim 7, characterized in that, The top cover (111) has a first mounting hole (104), the connecting seat (113) passes through the first mounting hole (104) and extends into the inner liner (20), and the lower spray arm (30) of the dishwasher is inserted into the connecting seat (113) and engaged with the connecting seat (113).

9. The water distribution valve device according to claim 6, characterized in that, A sealing element (114) is provided between the top cover (111) and the base (112), and the sealing element (114) is used to seal the gap between the top cover (111) and the base (112).

10. A dishwasher, characterized in that, Includes the water distribution valve device (10) as described in any one of claims 1-9.

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