Tray device and dish washing machine thereof

Abstract

The tray device comprises a double-sided tray, a tray body, a tray body, a tray body, a tray body, a tray body, a tray body and a driving device, and the double-sided tray is provided with a first containing area and a second containing area with opposite opening directions; and the spraying pipe assembly is detachably installed on the double-face tray and provided with a plurality of water spraying holes, and the water spraying holes are used for spraying water towards the first containing area when the double-face tray is positively placed and also used for spraying water towards the second containing area when the double-face tray is reversely placed. According to the tray device, the front face and the back face of the double-face tray can meet the requirement for containing different tableware, and meanwhile, when the double-face tray is placed forwards and backwards, special-area deep cleaning can be conducted.

Description

Technical Field

[0001] The present invention relates to the technical field of dishwashers, and in particular to a tray device and a dishwasher thereof. Background Art

[0002] The existing dishwasher trays on the market are relatively fixed and can only hold specific tableware, and cannot accommodate a variety of tableware to meet user needs. In addition, the tableware placed on the existing trays is subjected to a relatively uniform washing pressure, and the cleaning effect is relatively poor for some difficult-to-clean tableware, such as milk glasses and oatmeal spoons. Therefore, it is urgent to propose a new solution to solve this problem. Summary of the invention

[0003] The present invention aims to solve at least one of the problems existing in the prior art to a certain extent. To this end, the present invention provides a tray device, the front and back sides of the double-sided tray can accommodate the needs of placing different tableware, and the double-sided tray can be placed on both sides for deep cleaning of a dedicated area. The present invention also provides a dishwasher.

[0004] According to the above-mentioned tray device, it is implemented by the following technical solution:

[0005] A tray device comprises: a double-sided tray having a first containing area and a second containing area with opposite opening directions; and a spray pipe assembly which is detachably mounted on the double-sided tray and is provided with a plurality of water spray holes, wherein the water spray holes are used to spray water toward the first containing area when the double-sided tray is placed upright, and are also used to spray water toward the second containing area when the double-sided tray is placed inverted.

[0006] In some embodiments, a cup holder portion is provided in the middle portion of the double-sided tray in the left-right direction, the cup holder portion is formed by a depression in the bottom of the first holding area toward the inside of the second holding area, a plurality of water-passing gaps for water to pass through are provided on the cup holder portion, and at least a portion of the nozzle assembly is disposed in the second holding area and is detachably connected to the cup holder portion.

[0007] In some embodiments, the nozzle assembly can move or rotate relative to the cup holder portion, and the water spraying direction of the water spray hole can be changed by moving or rotating the nozzle assembly.

[0008] In some embodiments, a mounting hole is opened in the rear side wall of the double-sided tray; the spray pipe assembly includes a water receiving pipe and a spray arm pipe having a plurality of water spray holes, the spray arm pipe is arranged outside the left side or right side of the cup holder and is detachably connected to the cup holder, the water receiving pipe is transversely penetrated through the mounting hole and is communicated with the water inlet end of the spray arm pipe.

[0009] In some embodiments, the cup holder is provided with a plurality of connection parts spaced apart in the front-to-back direction, and a buckle part is protruded at a position of the spray arm pipe corresponding to the connection part, and the buckle part is engaged with the corresponding connection part.

[0010] In some embodiments, the connecting portion is provided with a plurality of latching positions spaced apart along the height direction, the buckle portion can move between the plurality of latching positions, and the buckle portion selectively engages with any of the latching positions.

[0011] In some embodiments, a limiting portion extending outward is provided at the upper end and / or the lower end of the connecting portion.

[0012] In some embodiments, a tray bracket is further included, and the double-sided tray can be placed upright or inverted in the tray bracket and is detachably connected to the tray bracket.

[0013] In some embodiments, a plurality of support portions are arranged side by side and spaced apart at a distance from each other at the bottom of the tray bracket, a first card slot suitable for cooperating and engaging with the support portion is provided at a position of the first containing area corresponding to the support portion, and a second card slot suitable for cooperating and engaging with the support portion is provided at a position of the second containing area corresponding to the support portion.

[0014] In some embodiments, a U-shaped groove opening upward is recessed on the outer edge of the bottom of the tray support, and the upper end or the lower end of the side wall of the double-sided tray can be inserted into the U-shaped groove.

[0015] In some embodiments, two tray guide rails are further included, and the two tray guide rails are respectively arranged on the left and right outer sides of the tray bracket, and the tray bracket is slidably connected to the tray guide rails via a moving component.

[0016] According to the above-mentioned dishwasher, it is realized by the following technical solution:

[0017] A dishwasher comprises: a water cup assembly, provided with a water collecting cavity and a water dividing structure;

[0018] A water circuit assembly comprises an inner water pipe and a first water distributor, wherein the water inlet end of the inner water pipe is connected to the water distribution structure, and the first water distributor is installed on the inner water pipe; and a tray device as described above, wherein the water inlet end of the nozzle assembly selectively cooperates and plugs with the lateral water outlet of the first water distributor.

[0019] Compared with the prior art, the present invention has at least the following beneficial effects:

[0020] 1. The tray device of the present invention provides a first containing area and a second containing area with openings facing opposite directions on a double-sided tray, so that the front and back sides of the double-sided tray can accommodate the needs of placing different tableware;

[0021] 2. By adding a spray pipe assembly to the double-sided tray, a local enhanced washing structure is provided, so that both sides of the double-sided tray can be used to wash difficult-to-clean tableware. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is an exploded view of the tray device in Example 1 of the present invention when placed frontally;

[0023] Figure 2 is a schematic structural diagram of the tray device in Example 1 of the present invention when placed frontally;

[0024] Figure 3 is a top view of the tray device in Example 1 of the present invention when placed frontally;

[0025] Figure 4 yes Figure 3 Sectional view in the AA direction;

[0026] Figure 5 yes Figure 3 Cross-sectional view in CC direction;

[0027] Figure 6 is an exploded view of the tray device in Embodiment 1 of the present invention when placed on the reverse side;

[0028] Figure 7 is a schematic structural diagram of the tray device in Embodiment 1 of the present invention when placed on the reverse side;

[0029] Figure 8 is a top view of the tray device in Embodiment 1 of the present invention when placed on the reverse side;

[0030] Fig. 9 yes Figure 8 Cross-sectional view in the BB direction;

[0031] Fig.10 is a schematic structural diagram of a tray device in Embodiment 2 of the present invention when placed frontally;

[0032] Fig.11 is a schematic structural diagram of a tray device in Embodiment 2 of the present invention when placed on the reverse side;

[0033] Fig.12 Schematic diagram of the structure of the water system of the dishwasher in Example 3 of the present invention.

[0034] In the figure: 1-double-sided tray, 101-enclosing plate, 102-grid plate, 11-first holding area, 111-upper knife and fork area, 112-cup inverted area, 12-second holding area, 121-two lower knife and fork areas, 13-cup holder, 131-water gap, 132-connecting part, 133-positioning, 134-limiting part, 14-mounting hole, 151-first slot, 152-second slot; 2-spray pipe assembly, 21-spray arm pipe, 211-water spray hole, 212-buckle part, 22-water receiving pipe; 3-tray bracket, 31-support part, 32-U-shaped groove; 41-tray guide rail, 42-moving assembly;

[0035] 5-water cup assembly, 51-water distribution structure; 6-water channel assembly, 61-inner water pipe, 62-first water distributor, 63-top water pipe, 64-connecting water pipe, 65-second water distributor; 71-top spray arm assembly, 72-lower spray arm assembly, 73-middle spray arm assembly. DETAILED DESCRIPTION

[0036] The following examples illustrate the present invention, but the present invention is not limited to these examples. Modifications to the specific embodiments of the present invention or equivalent replacement of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed by the present invention.

[0037] Example 1

[0038] refer to Figure 1-9 This embodiment provides a tray device for a dishwasher, the tray device includes a double-sided tray 1 and a nozzle assembly 2, wherein the double-sided tray 1 has a first holding area 11 and a second holding area 12 with opposite opening directions, so that the front and back sides of the double-sided tray can accommodate the needs of placing different tableware. Figure 1-4 When the double-sided tray 1 is placed upright, the opening of the first containing area 11 faces upward, and the opening of the second containing area 12 faces downward; otherwise, Figure 6-8 When the double-sided tray 1 is turned upside down, the opening of the first containing area 11 faces downward, and the opening of the second containing area 12 faces upward.

[0039] The nozzle assembly 2 is detachably mounted on the double-sided tray 1. In this embodiment, at least part of the nozzle assembly 2 is disposed in the second containing area 12 and is detachably connected to the double-sided tray 1. The nozzle assembly 2 is provided with a plurality of water spray holes 211 arranged at intervals along the front-to-back direction. In this embodiment, the diameter of the water spray holes 211 is 1.5-3.0 mm, and the water spray holes 211 are in an expanded structure to allow a wider water spray range, further improving the deep cleaning effect of the special area. The water spray holes 211 are configured to spray water toward the first containing area 11 when the double-sided tray 1 is placed upright (see Figure 4) to achieve deep cleaning of the glass placed in the first holding area 11; in addition, the water spray hole 211 is also configured to spray water toward the second holding area 12 when the double-sided tray 1 is reversed (see Fig. 9 ) to achieve deep cleaning of the spoon placed in the second holding area 12.

[0040] It can be seen that by adding a nozzle assembly 2 to the double-sided tray 1, a local enhanced washing structure is provided, so that difficult-to-clean tableware can be washed on both sides of the double-sided tray 1. For example, when the double-sided tray 1 is placed upright, a glass placed in the double-sided tray 1 is deeply cleaned, or when the double-sided tray 1 is placed inverted, a spoon placed in the double-sided tray 1 is deeply cleaned, which solves the problem of poor cleaning effect of difficult-to-clean tableware on existing trays.

[0041] refer to Figure 1-9 The double-sided pallet 1 includes a ring-shaped enclosure 101 and a grid plate 102. The grid plate 102 is arranged in the middle of the height direction of the enclosure 101, and the periphery of the grid plate 102 is fixedly connected to the inner surface of the enclosure 101 as a whole. The inner space of the enclosure 101 is divided into an upper and lower part by the grid plate 102, wherein the upper part and the grid plate 102 are enclosed to form a first containing area 11, and the lower part and the grid plate 102 are enclosed to form a second containing area 12. Figure 1-4 A cup inverted area 112 and two upper knife and fork areas 111 located on the left and right outer sides of the cup inverted area 112 are formed on the first holding area 11, wherein the widths of the two upper knife and fork areas 111 in the left and right directions may be the same or different. When they are different, they can be suitable for placing different tableware to better meet user needs; Figure 6-8 In the second holding area 12, two lower knife and fork areas 121 are formed on the left and right outer sides of the cup inverted area 112. The widths of the two lower knife and fork areas 121 in the left and right directions can be the same or different. When they are different, they can be suitable for accommodating different tableware to better meet user needs.

[0042] A cup holder 13 arranged in the front-to-back direction is provided in the middle of the left-right direction of the double-sided tray 1. The cup holder 13 is formed by the bottom of the first containing area 11 being recessed toward the inside of the second containing area 12 to form a cup inverted area 112. When the double-sided tray 1 is placed frontally, a glass cup can be placed on the cup holder 13. A plurality of water-passing gaps 131 for water flow are provided on the cup holder 13. At least part of the spray pipe assembly 2 is arranged in the second containing area 12 and is detachably connected to the cup holder 13. The water spray hole 211 can spray water toward the first containing area 11 through the water-passing gap 131 when the double-sided tray 1 is turned forward or reversed. In addition, the water spray hole 211 can spray water toward the second containing area 12 through the water-passing gap 131 when the double-sided tray 1 is turned back. Of course, the water spray hole 211 can also be designed to spray water directly toward the second containing area 12 when the double-sided tray 1 is turned back.

[0043] In this embodiment, the cup holder 13 includes a plurality of V-shaped or U-shaped positioning brackets, which are arranged at intervals along the front-to-back direction, and a water-passing gap 131 for water flow is formed between adjacent positioning brackets, and the caliber of each positioning bracket gradually increases from the second containing area 12 to the first containing area 11. At least part of the nozzle assembly 2 is disposed in the second containing area 12 and is located outside the left side or right side of the cup holder 13, and the nozzle assembly 2 is detachably connected to the cup holder 13.

[0044] refer to Figure 1-9 A mounting hole 14 corresponding to the nozzle assembly 2 is provided in the middle of the left-right direction of the rear side wall of the double-sided tray 1, that is, the mounting hole 14 is provided in the middle of the left-right direction of the rear side edge of the enclosure 101. The nozzle assembly 2 includes a water receiving pipe 22 and a spray arm pipe 21 having a plurality of water spray holes 211. The spray arm pipe 21 is provided in the second containing area 12 and is located outside the left or right side of the cup holder 13. The spray arm pipe 21 is detachably connected to the cup holder 13 through a buckle structure. The water receiving pipe 22 is transversely arranged in the mounting hole 14 and is connected to the water inlet end of the spray arm pipe 21, so that the spray arm pipe 21 can receive water.

[0045] refer to Figure 6-7 The buckle structure includes a connecting portion 132 and a buckle portion 212. A plurality of connecting portions 132 are arranged at intervals in the front-to-back direction on the left outer side wall or the right outer side wall of the cup holder 13. A buckle portion 212 extending toward the cup holder 13 is protruded at a position of the spray arm pipe 21 corresponding to the connecting portion 132. The buckle portion 212 is engaged with the corresponding connecting portion 132. The buckle portion 212 is engaged with the connecting portion 132, so that the spray arm pipe 21 is reliably connected and fixed to the cup holder 13 of the double-sided tray 1 through the engagement of the buckle portion 212 with the connecting portion 132.

[0046] refer to Figure 4-9 A limiting portion 134 extending outward is provided at the upper end and / or the lower end of the connecting portion 132, which is beneficial to improving the overall strength of the cup holder portion 13 or the connecting portion 132, secondly, to achieve reliable limiting of the spray arm pipe 21, and thirdly, because the limiting portion 134 is integrated on the connecting portion 132, it is beneficial to reduce the influence of the setting of the limiting portion 134 on the water flow area of ​​the cup holder portion 13.

[0047] refer to Figure 1-9 Furthermore, the pallet device also includes a pallet bracket 3. The double-sided pallet 1 can be placed upright or upside down in the pallet bracket 3 from top to bottom and can be detachably connected to the pallet bracket 3, so as to achieve reliable support for the double-sided pallet 1, which is beneficial to increase the strength of the double-sided pallet and prevent the double-sided pallet from deformation.

[0048] The tray support 3 includes a plurality of annular steel bars and a plurality of strip steel bars, and the plurality of annular steel bars are arranged at intervals in the up-down direction to form the peripheral wall of the tray support 3. All the strip steel bars are arranged side by side at intervals in the left-right direction in the inner circle of the annular steel bars to form the bottom of the tray support 3, and the front and rear ends of each strip steel bar are bent upward to form a vertical connection section, which is respectively welded to the plurality of annular steel bars.

[0049] A plurality of support parts 31 are arranged side by side and spaced apart in the left-right direction at the bottom of the tray support 3. In this embodiment, the support parts 31 are made of bar steel bars. A first card slot 151 suitable for engaging with the support part 31 is provided at the position of the first containing area 11 corresponding to the support part 31, and a second card slot 152 suitable for engaging with the support part 31 is provided at the position of the second containing area 12 corresponding to the support part 31, that is, a first card slot 151 and a second card slot 152 are provided on the front and back sides of the grid plate 102 of the double-sided tray 1, respectively. When the double-sided tray 1 is placed upright, the plurality of support parts 31 extend into the second containing area 12 and engage with the corresponding second card slot 152 (see Figure 4 ); On the contrary, when the double-sided tray 1 is reversed, the plurality of support portions 31 extend into the first containing area 11 and snap into place with the corresponding first slot 151 (see Fig. 9 ). It can be seen that no matter whether the double-sided pallet 1 is placed forward or backward, it can stably and reliably support the double-sided pallet 1, increase the strength of the double-sided pallet 1, and effectively ensure that the double-sided pallet 1 will not deform.

[0050] refer to Figure 1-5 A U-shaped groove 32 opening upward is formed on the outer edge of the bottom of the tray support 3. In this embodiment, grooves opening upward are formed on the opposite ends of the support portion 31, respectively, and the grooves constitute the U-shaped groove 32. The upper end or the lower end of the side wall of the double-sided tray 1 can be inserted into the U-shaped groove 32, that is, the U-shaped groove 32 is configured to be suitable for buckling with the upper end or the lower end of the enclosure 101 of the double-sided tray 1, so that the double-sided tray 1 is placed stably and is not easy to fall off.

[0051] refer to Figure 1-2 Furthermore, it also includes two tray guides 41 and two moving components 42. The two moving components 42 are connected and fixed to the rear ends of the left and right outer sides of the tray bracket 1. The two tray guides 41 are respectively arranged on the left and right outer sides of the tray bracket 3, and are respectively slidably connected with the two sliding components, so that the tray bracket 3 is slidably connected with the tray guides 41 through the moving components 42. At this time, the double-sided tray can be pushed and pulled back and forth through the tray guides 41, which is convenient for placing or taking out the tableware in the double-sided tray.

[0052] Example 2

[0053] refer to Figure 10-11The difference between this embodiment and the first embodiment is that the nozzle assembly 2 can move or rotate relative to the double-sided tray 1. Specifically, the nozzle assembly 2 can move or rotate relative to the cup holder 13, so that the relative position of the nozzle assembly 2 and the double-sided tray 1 can be adjusted according to the front and back placement of the double-sided tray 1, that is, the water spraying direction of the water spray hole 211 can be changed by moving or rotating the nozzle assembly 2, thereby ensuring that the special area deep cleaning can be performed when the double-sided tray is placed front and back, and further improving the special area deep cleaning effect.

[0054] A plurality of connection parts 132 arranged at intervals in the front-to-back direction are provided on the left outer wall or the right outer wall of the cup holder 13, and a plurality of latching positions 133 arranged at intervals in the height direction are provided on the connection part 132. A latching portion 212 extending toward the cup holder 13 is provided at a position corresponding to the connection part 132 of the spray arm pipe 21, and the latching portion 212 can move among the plurality of latching positions 133, and the latching portion 212 can selectively engage with any latching position 133, so that the relative position of the spray pipe assembly 2 and the double-sided tray 1 can be adjusted by engaging the latching portion 212 with different latching positions 133, so as to change the spraying direction of the water spraying hole 211, and improve the cleaning effect of washing difficult-to-clean dishes when the double-sided tray 1 is placed forward and backward.

[0055] Example 3

[0056] refer to Fig.12 The present embodiment provides a dishwasher, which includes a water cup assembly 5, a water circuit assembly 6 and a tray device as described in Embodiment 1 or 2. The water cup assembly 5 is provided with a water collecting chamber opening upward and a water distribution structure 51. The water circuit assembly 6 includes an inner water pipe 61 and a first water distributor 62, the water inlet end of the inner water pipe 61 is connected to the water distribution structure 51, and the first water distributor 62 is installed on the inner water pipe 61 and its water inlet is connected to the inner water pipe 61. The water inlet end of the spray pipe assembly 2 is selectively matched and plugged with the lateral water outlet of the first water distributor 62, that is, when the tray device is completely pushed into the inner tank of the dishwasher, the water inlet end of the spray pipe assembly 2 is matched and plugged with the lateral water outlet of the first water distributor 62; conversely, when the tray device is pulled out of the inner tank of the dishwasher, the water inlet end of the spray pipe assembly 2 is separated from the lateral water outlet of the first water distributor 62.

[0057] It can be seen that the above-mentioned tray device can not only meet the needs of placing different tableware, but also the front and back sides of the double-sided tray can be used to wash difficult-to-clean tableware.

[0058] In this embodiment, the water cup assembly 5, the water circuit assembly 6, the spray pipe assembly 2 and the spray arm module together constitute a water circuit system. The spray arm module includes a top spray arm assembly 71 and a lower spray arm assembly 72. The water circuit assembly 6 also includes a top water pipe 63. The lower spray arm assembly 72 is rotatably installed on the top of the water distribution structure 51. The top spray arm assembly 71 is connected to the vertical water outlet of the first water distributor 62 through the top water pipe 63. In addition, the spray arm module also includes a middle spray arm assembly 73. The water circuit assembly 6 also includes a connecting water pipe 64 and a second water distributor 65. The water inlet of the first water distributor 62 is connected to the water outlet end of the inner water pipe 61 through the connecting water pipe 22 and the second water distributor in turn. The middle spray arm assembly 73 is connected to the water supply port of the second water distributor.

[0059] After the washing water enters the water collecting chamber of the water cup assembly, with the cooperation of the washing pump and the water distribution structure 51, the water enters the lower spray arm assembly 72 or the middle spray arm assembly 73 + spray pipe assembly 2 + top spray arm assembly 71 to wash the tableware. This alternating washing method can not only reduce water consumption and energy consumption, but also enable the spray pipe assembly 2 in the tray device to achieve greater water pressure, which is more conducive to deep cleaning of the tableware.

[0060] refer to Fig.12 When the water distribution structure 51 switches to water entering the inner water pipe 61, the water first passes through the second water distributor 65 in two ways, one of which enters the middle spray arm assembly 73, driving the middle spray arm assembly 73 to rotate, and the water is sprayed upward to wash the tableware. After the other water enters the connecting water pipe 64, it is divided into two water again through the first water distributor 62. One water enters the top spray arm assembly 71, and the other water enters the transfer tube and then enters the spray arm pipe. The water in the spray arm pipe can deeply clean the glass or spoon through the water spray hole.

[0061] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A tray device, characterized in that: include: A double-sided tray (1) having a first containing area (11) and a second containing area (12) with openings in opposite directions; A spray pipe assembly (2) is detachably mounted on the double-sided tray (1) and is provided with a plurality of water spray holes (211). The water spray holes (211) are used to spray water toward the first containing area (11) when the double-sided tray (1) is placed upright, and are also used to spray water toward the second containing area (12) when the double-sided tray (1) is placed inverted.

2. A tray device according to claim 1, characterized in that: A cup holder portion (13) is provided in the middle of the double-sided tray (1) in the left-right direction. The cup holder portion (13) is formed by a depression at the bottom of the first containing area (11) toward the inside of the second containing area (12). A plurality of water-passing gaps (131) for water to pass through are provided on the cup holder portion (13). At least part of the nozzle assembly (2) is arranged in the second containing area (12) and is detachably connected to the cup holder portion (13).

3. A tray device according to claim 2, characterized in that: The nozzle assembly (2) is capable of moving or rotating relative to the cup holder portion (13), and the water spraying direction of the water spray hole (211) is changed by moving or rotating the nozzle assembly (2).

4. A tray device according to claim 2 or 3, characterized in that: A mounting hole (14) is provided on the rear side wall of the double-sided tray (1); the spray pipe assembly (2) comprises a water receiving pipe (22) and a spray arm pipe (21) having a plurality of water spray holes (211); the spray arm pipe (21) is arranged outside the left side or right side of the cup holder (13) and is detachably connected to the cup holder (13); the water receiving pipe (22) is transversely passed through the mounting hole (14) and is connected to the water inlet end of the spray arm pipe (21).

5. A tray device according to claim 4, characterized in that: The cup holder portion (13) is provided with a plurality of connection portions (132) arranged at intervals in the front-to-back direction, and a buckle portion (212) is protrudingly provided at a position of the spray arm pipe (21) corresponding to the connection portion (132), and the buckle portion (212) is matched and buckled with the corresponding connection portion (132).

6. A tray device according to claim 5, characterized in that: The connecting portion (132) is provided with a plurality of latching positions (133) arranged at intervals in the height direction, the latching portion (212) can move between the plurality of latching positions (133), and the latching portion (212) selectively cooperates with and latches with any of the latching positions (133).

7. A tray device according to claim 5, characterized in that: A limiting portion (134) extending outward is provided at the upper end and / or the lower end of the connecting portion (132).

8. A tray device according to any one of claims 1 to 3, characterized in that: It also comprises a tray support (3), wherein the double-sided tray (1) can be placed upright or inverted in the tray support (3) and is detachably connected to the tray support (3).

9. A tray device according to claim 8, characterized in that: A plurality of support portions (31) are arranged side by side and spaced apart at the bottom of the tray support (3); a first card slot (151) adapted to be engaged with the support portion (31) is provided at a position of the first containing area (11) corresponding to the support portion (31); and a second card slot (152) adapted to be engaged with the support portion (31) is provided at a position of the second containing area (12) corresponding to the support portion (31).

10. A tray device according to claim 9, characterized in that: A U-shaped groove (32) opening upward is recessed on the outer edge of the bottom of the tray support (3), and the upper end or the lower end of the side wall of the double-sided tray (1) can be inserted into the U-shaped groove (32).

11. A tray device according to claim 8, characterized in that: It also comprises two tray guide rails (41), which are respectively arranged on the left and right outer sides of the tray support (3), and the tray support (3) is slidably connected to the tray guide rails (41) via a moving assembly (42).

12. A dishwasher, characterized in that: include: The water cup assembly (5) is provided with a water collecting chamber and a water distribution structure (51); A water circuit assembly (6), comprising an inner water pipe (61) and a first water distributor (62), wherein the water inlet end of the inner water pipe (61) is connected to the water distribution structure (51), and the first water distributor (62) is installed on the inner water pipe (61); and A tray device as claimed in any one of claims 1 to 11, wherein the water inlet end of the nozzle assembly (2) is selectively plugged into and matched with the lateral water outlet of the first water distributor (62).

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