A spray arm assembly of a dishwasher and a dishwasher

Abstract

This invention discloses a spray arm assembly for a dishwasher and the dishwasher itself. The spray arm assembly includes a spray arm water pipe connected to a water supply pipe; a main spray arm connected to the spray arm water pipe; and a secondary spray arm assembly including a secondary spray pipe water flow regulator. The secondary spray pipe is connected to the spray arm water pipe. The secondary spray pipe includes a secondary spray pipe body and a first secondary flow channel and a second secondary flow channel formed within the secondary spray pipe body. The secondary spray pipe body has a first group of spray holes and a second group of spray holes. The first group of spray holes communicates with the first secondary flow channel, and the second group of spray holes communicates with the second secondary flow channel. The orientation of the first group of spray holes is different from that of the second group of spray holes. The water flow regulator is installed between the secondary spray pipe body and the spray arm water pipe and can move between a first position, a second position, and a third position. When the water flow regulator is in the first position, the first secondary flow channel communicates with the spray arm water pipe; when the water flow regulator is in the second position, the second secondary flow channel communicates with the spray arm water pipe.

Description

Technical Field

[0001] This invention relates to the field of kitchen appliance technology, and in particular to a dishwasher spray arm assembly and a dishwasher. Background Technology

[0002] The application of zone spray systems in dishwashers is still hampered by the limited installation space and technical bottlenecks. In addition, the high complexity of the modular structure and the stringent requirements for assembly precision result in high installation, commissioning and costs, which restricts its large-scale popularization.

[0003] Therefore, there is an urgent need for a dishwasher spray arm assembly to solve the above problems. Summary of the Invention

[0004] The present invention aims to at least partially solve one of the problems existing in the prior art. To this end, the present invention proposes a spray arm assembly for a dishwasher with different spray modes to meet different user needs, and with a simple and compact structure.

[0005] The above objectives are achieved through the following technical solutions:

[0006] A dishwasher spray arm assembly includes:

[0007] The spray arm water pipe is connected to the water supply pipe;

[0008] Main spray arm, connected to the water pipe of the spray arm;

[0009] A secondary spray arm assembly includes a secondary nozzle and a water flow regulator. The secondary nozzle is connected to the spray arm water pipe. The secondary nozzle includes a secondary nozzle body and a first secondary flow channel and a second secondary flow channel formed in the secondary nozzle body. The secondary nozzle body has a first group of nozzle holes and a second group of nozzle holes. The first group of nozzle holes communicates with the first secondary flow channel, and the second group of nozzle holes communicates with the second secondary flow channel. The orientation of the first group of nozzle holes is different from that of the second group of nozzle holes. The water flow regulator is installed between the secondary nozzle body and the spray arm water pipe and can move between a first position, a second position, and a third position. When the water flow regulator is in the first position, the first secondary flow channel is connected to the spray arm water pipe; when the water flow regulator is in the second position, the second secondary flow channel is connected to the spray arm water pipe; when the water flow regulator is in the third position, neither the first secondary flow channel nor the second secondary flow channel is connected to the spray arm water pipe.

[0010] Optionally, the auxiliary nozzle body is disposed on one side of the spray arm water pipe, and the first nozzle group is disposed on the upper part of the auxiliary nozzle body. The first nozzle group includes a plurality of first nozzles and a plurality of second nozzles. The first nozzles are inclined from bottom to top toward the spray arm water pipe, and the second nozzles are inclined from bottom to top toward the direction away from the spray arm water pipe; and / or the second nozzle group is disposed on the lower part of the auxiliary nozzle body. The second nozzle group includes a plurality of third nozzles and a plurality of fourth nozzles. The third nozzles are inclined from top to bottom toward the spray arm water pipe, and the fourth nozzles are inclined from top to bottom toward the direction away from the spray arm water pipe.

[0011] Optionally, the system further includes a first sealing element disposed between the secondary nozzle body and the spray arm water pipe. The first sealing element includes a first sealing element body and a first water passage hole and a second water passage hole formed on the first sealing element body. The first water passage hole communicates with the first secondary flow channel, and the second water passage hole communicates with the second secondary flow channel. The water flow regulating element includes a water flow regulating element body and a water through hole formed on the water flow regulating element body. The water flow regulating element body is mounted on the first sealing element body and is movable relative to the first sealing element body between a first position, a second position, and a third position. When the water flow regulating element body is in the first position, the water through hole communicates with the first water passage hole; when the water flow regulating element body is in the second position, the water through hole communicates with the second water passage hole; when the water flow regulating element body is in the third position, the water through hole is not communicated with either the first water passage hole or the second water passage hole.

[0012] Optionally, it also includes an adapter, wherein the auxiliary nozzle body and the spray arm water pipe are both arranged in the front-to-back direction, the auxiliary nozzle body and the spray arm water pipe are connected by the adapter, the first sealing member is installed between the adapter and the spray arm water pipe, the adapter includes an adapter body and a third water passage hole and a fourth water passage hole opened on the adapter body, the first water passage hole is connected to the first auxiliary flow channel through the third water passage hole, and the second water passage hole is connected to the second auxiliary flow channel through the fourth water passage hole.

[0013] Optionally, it further includes a second sealing element disposed between the adapter body and the auxiliary nozzle body. The second sealing element includes a second sealing element body and a fifth water passage hole and a sixth water passage hole formed on the second sealing element body. The third water passage hole is connected to the first auxiliary flow channel through the fifth water passage hole, and the fourth water passage hole is connected to the second auxiliary flow channel through the sixth water passage hole.

[0014] Optionally, the auxiliary nozzle body includes a first auxiliary nozzle section and a second auxiliary nozzle section that are detachably connected to each other. The first auxiliary nozzle section and the second auxiliary nozzle section are each provided with a first nozzle group and a second nozzle group. The first auxiliary nozzle section includes a first tube body and a first flow channel section and a second flow channel section formed on the first tube body. The second auxiliary nozzle section includes a second tube body and a third flow channel section and a fourth flow channel section formed on the second tube body. The first flow channel section and the third flow channel section communicate to form the first auxiliary flow channel, and the second flow channel section and the fourth flow channel section communicate to form the second auxiliary flow channel.

[0015] Optionally, it further includes a third seal disposed between the first auxiliary nozzle section and the second auxiliary nozzle section. The third seal includes a third seal body and a seventh water passage hole and an eighth water passage hole formed on the third seal body. The first flow channel section and the third flow channel section are connected through the seventh water passage hole, and the second flow channel section and the fourth flow channel section are connected through the eighth water passage hole.

[0016] Optionally, the auxiliary spray arm assembly is provided in two sets, the two sets of auxiliary spray arm assemblies are arranged opposite to each other and parallel to each other, and the spray arm water pipe is arranged between the two sets of auxiliary spray arm assemblies.

[0017] Optionally, the main spray arm is disposed below the secondary spray arm assembly.

[0018] In another aspect, the present invention provides a dishwasher including the spray arm assembly of the dishwasher described above.

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

[0020] The dishwasher spray arm assembly provided by this invention includes a spray arm water pipe, a main spray arm, and an auxiliary spray arm assembly. The spray arm water pipe is connected to a water supply pipe. The main spray arm is connected to the spray arm water pipe. The auxiliary spray arm assembly includes an auxiliary spray pipe and a water flow regulating component. The auxiliary spray pipe is connected to the spray arm water pipe. The auxiliary spray pipe includes an auxiliary spray pipe body and a first auxiliary flow channel and a second auxiliary flow channel formed in the auxiliary spray pipe body. The auxiliary spray pipe body has a first spray hole group and a second spray hole group. The first spray hole group communicates with the first auxiliary flow channel, and the second spray hole group communicates with the second auxiliary flow channel. The orientation of the first spray hole group is different from that of the second spray hole group. The water flow regulating component is installed between the auxiliary spray pipe body and the spray arm water pipe and can move between a first position, a second position, and a third position. When the water flow regulating component is in the first position, the first auxiliary flow channel and the spray arm... When the water pipe is connected, water flows through the first secondary flow channel, and washing water is sprayed out from the first spray nozzle group, while the main spray arm sprays water simultaneously. When the water flow regulator is in the second position, the second secondary flow channel is connected to the spray arm water pipe, and water flows through the second secondary flow channel, and washing water is sprayed out from the second spray nozzle group, while the main spray arm sprays water simultaneously. When the water flow regulator is in the third position, neither the first nor the second secondary flow channel is connected to the spray arm water pipe, and neither the first nor the second secondary flow channel flows through. Washing water can only be sprayed out through the main spray arm, thus realizing three washing modes to meet different washing needs of users, and the structure is simple and compact. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural schematic diagram of the spray arm assembly of the dishwasher provided in a specific embodiment of the present invention;

[0022] Figure 2 yes Figure 1 Exploded view;

[0023] Figure 3 yes Figure 1 A sectional view;

[0024] Figure 4 This is a three-dimensional structural schematic diagram of the auxiliary nozzle of the spray arm assembly of the dishwasher provided in a specific embodiment of the present invention;

[0025] Figure 5 yes Figure 4 The right view;

[0026] Figure 6 This is a schematic diagram of the structure of the dishwasher spray arm assembly, upper rack, and lower rack installed in the washing tub according to a specific embodiment of the present invention.

[0027] Figure 7 This is a schematic diagram of the structure of the dishwasher spray arm assembly installed on the upper dish rack according to a specific embodiment of the present invention;

[0028] Figure 8 yes Figure 7 The exploded diagram.

[0029] In the picture:

[0030] 1. Sprayer arm water hose;

[0031] 2. Main spray arm;

[0032] 300. Secondary nozzle arm assembly; 31. Secondary nozzle; 310. Secondary nozzle body; 3101. First secondary nozzle section; 3102. Secondary secondary nozzle section; 311. First secondary flow channel; 31101. First flow channel section; 31102. Third flow channel section; 312. Second secondary flow channel; 31201. Second flow channel section; 31202. Fourth flow channel section; 32. Water flow regulating component; 320. Water flow regulating component body; 321. Water passage hole; 33. Adapter; 330 331. Adapter body; 332. Third water passage hole; 333. Fourth water passage hole; 341. First seal; 3410. First seal body; 3411. First water passage hole; 3412. Second water passage hole; 342. Second seal; 3420. Second seal body; 3421. Fifth water passage hole; 3422. Sixth water passage hole; 343. Third seal; 3430. Third seal body; 3431. Seventh water passage hole; 3432. Eighth water passage hole; 35. Support frame;

[0033] 100, First nozzle group; 101, First nozzle; 102, Second nozzle; 200, Second nozzle group; 201, Third nozzle; 202, Fourth nozzle. Detailed Implementation

[0034] The following embodiments illustrate the present invention, but the present invention is not limited to these embodiments. Modifications to the specific embodiments of the present invention or equivalent substitutions for some technical features, without departing from the spirit of the present invention, should all be covered within the scope of the technical solutions claimed in the present invention.

[0035] Please refer to Figures 1-8This invention provides a spray arm assembly for a dishwasher, including a spray arm water pipe 1, a main spray arm 2, and a secondary spray arm assembly 300. The spray arm water pipe 1 is connected to a water supply pipe. The main spray arm 2 is connected to the spray arm water pipe 1. The auxiliary spray arm assembly 300 includes an auxiliary nozzle 31 and a water flow regulating component 32. The auxiliary nozzle 31 is connected to the spray arm water pipe 1. The auxiliary nozzle 31 includes an auxiliary nozzle body 310 and a first auxiliary flow channel 311 and a second auxiliary flow channel 312 formed in the auxiliary nozzle body 310. The auxiliary nozzle body 310 has a first nozzle group 100 and a second nozzle group 200. The first nozzle group 100 communicates with the first auxiliary flow channel 311, and the second nozzle group 200 communicates with the second auxiliary flow channel 312. The orientation of the first nozzle group 100 is different from that of the second nozzle group 200. The water flow regulating component 32 is installed between the auxiliary nozzle body 310 and the spray arm water pipe 1 and can move between a first position, a second position, and a third position. When the water flow regulating component 32 is in the first position... The first secondary flow channel 311 is connected to the spray arm water pipe 1. At this time, the first secondary flow channel 311 is filled with water, and the washing water is sprayed out from the first spray hole group 100, while the main spray arm 2 sprays water at the same time. When the water flow regulating component 32 is in the second position, the second secondary flow channel 312 is connected to the spray arm water pipe 1. At this time, the second secondary flow channel 312 is filled with water, and the washing water is sprayed out from the second spray hole group 200, while the main spray arm 2 sprays water at the same time. When the water flow regulating component 32 is in the third position, neither the first secondary flow channel 311 nor the second secondary flow channel 312 is connected to the spray arm water pipe 1. At this time, neither the first secondary flow channel 311 nor the second secondary flow channel 312 is filled with water, and the washing water can only be sprayed out through the main spray arm 2, thereby realizing three washing modes to meet different washing needs of users, and the structure is simple and compact.

[0036] Optionally, the secondary nozzle body 310 is disposed on one side of the spray arm water pipe 1, and the first nozzle group 100 is disposed on the upper part of the secondary nozzle body 310. The first nozzle group 100 includes a plurality of first nozzles 101 and a plurality of second nozzles 102. The first nozzles 101 are inclined from bottom to top toward the direction close to the spray arm water pipe 1, and the second nozzles 102 are inclined from bottom to top toward the direction away from the spray arm water pipe 1, so that when the first secondary flow channel 311 is filled with water, the washing water can be sprayed simultaneously from the first nozzles 101 and the second nozzles 102 facing different directions (as shown by arrows A1 and A2 in Figure 6, where the first nozzles 101 spray water in the direction of arrow A1, and the second nozzles 102 spray water in the direction of arrow A2). And / or the second nozzle group 200 is disposed at the lower part of the auxiliary nozzle body 310. The second nozzle group 200 includes a plurality of third nozzles 201 and a plurality of fourth nozzles 202. The third nozzles 201 are inclined from top to bottom toward the direction close to the spray arm water pipe 1, and the fourth nozzles 202 are inclined from top to bottom toward the direction away from the spray arm water pipe 1, so that when water is flowing through the second auxiliary flow channel 312, washing water can be sprayed simultaneously from different third nozzles 201 and fourth nozzles 202 (e.g., Figure 6As shown by arrows B1 and B2, the third nozzle 201 sprays water in the direction of arrow B1, and the fourth nozzle 202 sprays water in the direction of arrow B2.

[0037] Optionally, it also includes a first sealing member 341 disposed between the secondary nozzle body 310 and the spray arm water pipe 1. The first sealing member 341 includes a first sealing member body 3410 and a first water passage hole 3411 and a second water passage hole 3412 opened on the first sealing member body 3410. The first water passage hole 3411 communicates with the first secondary flow channel 311, and the second water passage hole 3412 communicates with the second secondary flow channel 312. The water flow regulating member 32 includes a water flow regulating member body 320 and a water passage hole 321 opened on the water flow regulating member body 320. The main body 320 is mounted on the first sealing body 3410 and can move relative to the first sealing body 3410 between a first position, a second position, and a third position. When the water flow regulating body 320 is in the first position, the water passage 321 is connected to the first water passage 3411; when the water flow regulating body 320 is in the second position, the water passage 321 is connected to the second water passage 3412; when the water flow regulating body 320 is in the third position, the water passage 321 is not connected to either the first water passage 3411 or the second water passage 3412. By setting the first sealing element 341, the gap between the auxiliary nozzle body 310 and the spray arm water pipe 1 is sealed to prevent water overflow.

[0038] Optionally, it also includes an adapter 33. Both the auxiliary nozzle body 310 and the spray arm water pipe 1 are arranged in the front-to-back direction. The auxiliary nozzle body 310 and the spray arm water pipe 1 are connected by the adapter 33. A first sealing member 341 is installed between the adapter 33 and the spray arm water pipe 1. The adapter 33 includes an adapter body 330 and a third water passage 331 and a fourth water passage 332 formed on the adapter body 330. The first water passage 3411 communicates with the first auxiliary flow channel 311 through the third water passage 331, and the second water passage 3412 communicates with the second auxiliary flow channel 312 through the fourth water passage 332. By providing the adapter 33, both the auxiliary nozzle body 310 and the spray arm water pipe 1 can be arranged in the front-to-back direction.

[0039] Optionally, a second sealing element 342 is also included, disposed between the adapter body 330 and the auxiliary nozzle body 310. The second sealing element 342 includes a second sealing element body 3420 and a fifth water passage 3421 and a sixth water passage 3422 formed on the second sealing element body 3420. The third water passage 331 communicates with the first auxiliary flow channel 311 through the fifth water passage 3421, and the fourth water passage 332 communicates with the second auxiliary flow channel 312 through the sixth water passage 3422. By providing the second sealing element 342, the gap between the adapter body 330 and the auxiliary nozzle body 310 is sealed, preventing water overflow.

[0040] Optionally, the secondary nozzle body 310 includes a first secondary nozzle section 3101 and a second secondary nozzle section 3102 that are detachably connected to each other. The first secondary nozzle section 3101 and the second secondary nozzle section 3102 are each provided with a first nozzle group 100 and a second nozzle group 200. The first secondary nozzle section 3101 includes a first tube body and a first flow channel section 31101 and a second flow channel section 31201 formed on the first tube body. The second secondary nozzle section 3102 includes a second tube body and a third flow channel section 31102 and a fourth flow channel section 31202 formed on the second tube body. The first flow channel section 31101 and the third flow channel section 31102 communicate to form a first secondary flow channel 311, and the second flow channel section 31201 and the fourth flow channel section 31202 communicate to form a second secondary flow channel 312. By configuring the secondary nozzle body 310 as a detachably connected first secondary nozzle section 3101 and second secondary nozzle section 3102, the segmented manufacturing of the secondary nozzle body 310 is facilitated, reducing manufacturing difficulty.

[0041] Optionally, a third seal 343 is also included, disposed between the first auxiliary nozzle section 3101 and the second auxiliary nozzle section 3102. The third seal 343 includes a third seal body 3430 and a seventh water passage hole 3431 and an eighth water passage hole 3432 formed on the third seal body 3430. The first flow channel section 31101 and the third flow channel section 31102 are connected through the seventh water passage hole 3431, and the second flow channel section 31201 and the fourth flow channel section 31202 are connected through the eighth water passage hole 3432. By providing the third seal 343, the gap between the first auxiliary nozzle section 3101 and the second auxiliary nozzle section 3102 is sealed to prevent water overflow.

[0042] Optionally, two sets of auxiliary spray arm assemblies 300 are provided, with the two sets of auxiliary spray arm assemblies 300 arranged opposite to each other and parallel to each other. The spray arm water pipe 1 is arranged between the two sets of auxiliary spray arm assemblies 300, so that the auxiliary spray arms can be symmetrically arranged on the left and right sides of the spray arm water pipe 1, thereby improving the enhanced spray washing effect on the tableware.

[0043] Optionally, the main spray arm 2 is positioned below the auxiliary spray arm assembly 300.

[0044] Optionally, the secondary spray arm assembly 300 also includes a support frame 35, through which the secondary spray nozzle body 310 is mounted on the upper rack of the dishwasher.

[0045] In another aspect, the present invention provides a dishwasher including the spray arm assembly of the dishwasher described above.

[0046] Optionally, the washing tub, upper dish rack, and lower dish rack are included, with the upper dish rack, lower dish rack, and spray arm assembly all disposed in the washing tub, and the spray arm assembly installed on the bottom side of the upper dish rack.

[0047] The above descriptions are merely some embodiments of the present invention. Those skilled in the art can make various modifications and improvements without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A spray arm assembly for a dishwasher, characterized in that, include: The spray arm water pipe (1) is connected to the water supply pipe; The main spray arm (2) is connected to the spray arm water pipe (1); The auxiliary spray arm assembly (300) includes an auxiliary nozzle (31) and a water flow regulating component (32). The auxiliary nozzle (31) is connected to the spray arm water pipe (1). The auxiliary nozzle (31) includes an auxiliary nozzle body (310) and a first auxiliary flow channel (311) and a second auxiliary flow channel (312) formed in the auxiliary nozzle body (310). The auxiliary nozzle body (310) is provided with a first nozzle group (100) and a second nozzle group (200). The first nozzle group (100) communicates with the first auxiliary flow channel (311), and the second nozzle group (200) communicates with the second auxiliary flow channel (312). The orientation of the first nozzle group (100) is the same as that of the second nozzle group (200). The orientation of the group (200) is different. The water flow regulating component (32) is installed between the auxiliary nozzle body (310) and the spray arm water pipe (1) and can move between the first position, the second position and the third position. When the water flow regulating component (32) is in the first position, the first auxiliary flow channel (311) is connected to the spray arm water pipe (1); when the water flow regulating component (32) is in the second position, the second auxiliary flow channel (312) is connected to the spray arm water pipe (1); when the water flow regulating component (32) is in the third position, neither the first auxiliary flow channel (311) nor the second auxiliary flow channel (312) is connected to the spray arm water pipe (1).

2. The spray arm assembly of the dishwasher according to claim 1, characterized in that, The auxiliary nozzle body (310) is disposed on one side of the spray arm water pipe (1), and the first nozzle group (100) is disposed on the upper part of the auxiliary nozzle body (310). The first nozzle group (100) includes a plurality of first nozzles (101) and a plurality of second nozzles (102). The first nozzles (101) are inclined from bottom to top toward the spray arm water pipe (1), and the second nozzles (102) are inclined from bottom to top toward the direction away from the spray arm water pipe (1). And / or the second nozzle group (200) is disposed on the lower part of the auxiliary nozzle body (310). The second nozzle group (200) includes a plurality of third nozzles (201) and a plurality of fourth nozzles (202). The third nozzles (201) are inclined from top to bottom toward the direction close to the spray arm water pipe (1), and the fourth nozzles (202) are inclined from top to bottom toward the direction away from the spray arm water pipe (1).

3. The spray arm assembly of the dishwasher according to claim 1, characterized in that, It also includes a first sealing element (341) disposed between the secondary nozzle body (310) and the spray arm water pipe (1). The first sealing element (341) includes a first sealing element body (3410) and a first water passage hole (3411) and a second water passage hole (3412) opened on the first sealing element body (3410). The first water passage hole (3411) communicates with the first secondary flow channel (311), and the second water passage hole (3412) communicates with the second secondary flow channel (312). The water flow regulating element (32) includes a water flow regulating element body (320) and a water passage hole (321) opened on the water flow regulating element body (320). 0) Installed on the first sealing element body (3410) and capable of moving relative to the first sealing element body (3410) between the first position, the second position and the third position. When the water flow regulating element body (320) is in the first position, the water passage hole (321) is connected to the first water passage hole (3411); when the water flow regulating element body (320) is in the second position, the water passage hole (321) is connected to the second water passage hole (3412); when the water flow regulating element body (320) is in the third position, the water passage hole (321) is not connected to either the first water passage hole (3411) or the second water passage hole (3412).

4. The spray arm assembly of the dishwasher according to claim 3, characterized in that, It also includes a connector (33), the auxiliary nozzle body (310) and the spray arm water pipe (1) are both arranged in the front-to-back direction, the auxiliary nozzle body (310) and the spray arm water pipe (1) are connected by the connector (33), the first sealing member (341) is installed between the connector (33) and the spray arm water pipe (1), the connector (33) includes a connector body (330) and a third water passage hole (331) and a fourth water passage hole (332) opened on the connector body (330), the first water passage hole (3411) and the first auxiliary flow channel (311) are connected by the third water passage hole (331), and the second water passage hole (3412) and the second auxiliary flow channel (312) are connected by the fourth water passage hole (332).

5. The spray arm assembly of the dishwasher according to claim 4, characterized in that, It also includes a second sealing element (342) disposed between the adapter body (330) and the auxiliary nozzle body (310). The second sealing element (342) includes a second sealing element body (3420) and a fifth water passage hole (3421) and a sixth water passage hole (3422) opened on the second sealing element body (3420). The third water passage hole (331) is connected to the first auxiliary flow channel (311) through the fifth water passage hole (3421), and the fourth water passage hole (332) is connected to the second auxiliary flow channel (312) through the sixth water passage hole (3422).

6. The spray arm assembly of the dishwasher according to claim 1, characterized in that, The auxiliary nozzle body (310) includes a first auxiliary nozzle section (3101) and a second auxiliary nozzle section (3102) that are detachably connected to each other. The first auxiliary nozzle section (3101) and the second auxiliary nozzle section (3102) are provided with the first nozzle group (100) and the second nozzle group (200). The first auxiliary nozzle section (3101) includes a first tube body and a first flow channel section (31101) and a second flow channel section (31201) formed on the first tube body. The second auxiliary nozzle section (3102) includes a second tube body and a third flow channel section (31102) and a fourth flow channel section (31202) formed on the second tube body. The first flow channel section (31101) and the third flow channel section (31102) communicate to form the first auxiliary flow channel (311), and the second flow channel section (31201) and the fourth flow channel section (31202) communicate to form the second auxiliary flow channel (312).

7. The spray arm assembly of the dishwasher according to claim 6, characterized in that, It also includes a third seal (343) disposed between the first auxiliary nozzle section (3101) and the second auxiliary nozzle section (3102). The third seal (343) includes a third seal body (3430) and a seventh water passage hole (3431) and an eighth water passage hole (3432) opened on the third seal body (3430). The first flow channel section (31101) and the third flow channel section (31102) are connected through the seventh water passage hole (3431), and the second flow channel section (31201) and the fourth flow channel section (31202) are connected through the eighth water passage hole (3432).

8. The spray arm assembly of the dishwasher according to any one of claims 1-7, characterized in that, The auxiliary spray arm assembly (300) is provided in two sets, and the two sets of auxiliary spray arm assemblies (300) are arranged opposite to each other and in parallel. The spray arm water pipe (1) is arranged between the two sets of auxiliary spray arm assemblies (300).

9. The spray arm assembly of the dishwasher according to claim 8, characterized in that, The main spray arm (2) is located below the auxiliary spray arm assembly (300).

10. A dishwasher, characterized in that, Includes the spray arm assembly of the dishwasher as described in any one of claims 1-9.

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