Dishwasher spray arm structure and dishwasher

By adopting adjacently arranged first and second spray chambers in the dishwasher spray arms, and using detachable steam head and water head design, the problems of complex structure, difficult assembly and high production costs in the prior art are solved, and the effects of simple design, low cost and easy maintenance are achieved.

CN222722949UActive Publication Date: 2025-04-08宁波睿派厨具有限公司
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Patent Information

Application Number
CN202421418529.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-04-08
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The design structure of the existing dishwasher spray arm assembly is complex, difficult to assemble, high production costs, and difficult to deal with after the internal spray chamber is blocked.

Method used

The first spray chamber and the second spray chamber are arranged adjacently, separated by spacers, simplifying the structure and facilitating assembly and maintenance. The spray arm structure includes a steam head and a water head, and each part can be detachably connected for easy access and replacement.

Benefits of technology

It realizes a simple design of the dishwasher spray arm structure, reduces production costs, facilitates assembly and maintenance, and is especially more convenient for the maintenance of blocked parts.

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Abstract

The utility model relates to a dishwasher spray arm structure and a dishwasher, comprising a first spray chamber and a second spray chamber, the first spray chamber and the second spray chamber are arranged adjacent to each other, the first spray chamber is used to pass steam, the second spray chamber is used to pass clean water, and an isolating member is provided between the first spray chamber and the second spray chamber to separate the two; the first spray chamber is provided with a steam inlet, and the second spray chamber is provided with a water inlet; the first spray chamber is provided with a first steam spray hole, and the first steam spray hole is connected to the first spray chamber; the second spray chamber is provided with a first water spray hole, and the first water spray hole is connected to the second spray chamber. The dishwasher spray arm structure and the dishwasher obtained by the utility model have the following advantages: the first spray chamber and the second spray chamber are arranged adjacent to each other, which is convenient for assembly, and the structure is simple, which reduces the production cost, and whether the first spray chamber or the second spray chamber is blocked, they can be repaired separately, and the later maintenance is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of dishwashers, in particular to a dishwasher spray arm structure and a dishwasher. Background Art

[0002] With the quickening pace of life and people's pursuit of a higher quality of life, dishwashers have become one of the indispensable kitchen appliances in modern families.

[0003] In the prior art, for example, Chinese utility model patent announcement number CN 210990093 U discloses a spray arm assembly and a dishwasher, wherein the spray arm assembly is used on the dishwasher, the spray arm assembly includes an inner spray chamber and an outer spray chamber, the inner spray chamber is arranged inside the outer spray chamber, the inner spray chamber is used to pass clean water, the outer spray chamber is used to pass high-temperature steam, the inner spray chamber has a water inlet, the outer spray chamber has an air inlet, and a plurality of inner spray holes and outer spray holes are opened on the surface of the outer spray chamber, wherein the inner spray hole is connected to the inner spray chamber, and the outer spray hole is connected to the outer spray chamber. However, the design of the inner spray chamber and the outer spray chamber on the spray arm assembly is complex in structure, difficult to assemble, and has high production cost. Utility Model Content

[0004] An object of the present application is to provide a dishwasher spray arm structure and a dishwasher, which have a simple structure and low production cost.

[0005] The technical solution adopted in the present application is: a dishwasher spray arm structure, used for a dishwasher, comprising a first spray chamber and a second spray chamber, the first spray chamber and the second spray chamber are arranged adjacent to each other, the first spray chamber is used for introducing steam, the second spray chamber is used for introducing clean water, and an isolation member is provided between the first spray chamber and the second spray chamber to separate the two; a steam inlet is provided on the first spray chamber, and a water inlet is provided on the second spray chamber; a first steam spray hole is provided on the first spray chamber, and the first steam spray hole is communicated with the first spray chamber; a first water spray hole is provided on the second spray chamber, and the first water spray hole is communicated with the second spray chamber.

[0006] Compared with the prior art, the advantage of the present application is that the first spray chamber and the second spray chamber are arranged adjacent to each other, which is easy to assemble and has a simple structure, reducing production costs. Whether the first spray chamber or the second spray chamber is blocked, they can be repaired separately, making subsequent maintenance convenient.

[0007] In some embodiments of the present application, an auxiliary spray arm is provided between the first spray chamber and the second spray chamber, and a third chamber and a fourth chamber are provided in the auxiliary spray arm; an isolation member is provided in the auxiliary spray arm, and the third chamber and the fourth chamber are separated by the isolation member; a second water spray hole is provided on the fourth chamber; the third chamber is connected to the first spray chamber, and the fourth chamber is connected to the second spray chamber.

[0008] Furthermore, a steam head and a water head are provided on both sides of the auxiliary spray arm, the first spray chamber is arranged on the steam head, and the second spray chamber is arranged on the water head; the steam head is detachably connected to one end of the auxiliary spray arm, and the water head is detachably connected to the other end of the auxiliary spray arm.

[0009] Furthermore, the steam head includes a steam plug and a steam plug cover. The first spray chamber is provided with a steam plug. One end of the steam plug can be detachably connected to one end of the auxiliary spray arm, and the other end of the steam plug can be detachably connected to the steam plug cover.

[0010] Furthermore, the steam plugging cover is provided with a second steam spray hole; the steam plugging cover is provided with a plurality of mounting columns, which are arranged at least on two opposite sides of the steam plugging cover; when the steam plugging cover and the steam plug are installed, the mounting columns abut against the cavity wall of the first spray cavity; the steam plug and the steam plugging cover are connected by a snap buckle; the steam plugging cover is provided with a first inclined surface extending outward, and the first inclined surface is inclined toward the inner wall surface of the dishwasher.

[0011] Furthermore, the water head includes a water plug and a water plug cover, the second spray chamber is arranged on the water plug, one end of the water plug is detachably connected to one end of the auxiliary spray arm, and the other end of the water plug is detachably connected to the water plug cover.

[0012] Furthermore, the water plug cover is provided with a convex ring, and when the water plug head and the water plug cover are installed, the convex ring abuts against the cavity wall of the second spray cavity; the water plug cover is provided with a second inclined surface extending outward, and the second inclined surface is inclined toward the inner wall surface of the dishwasher.

[0013] Furthermore, the steam head and the water head are both provided with a connecting assembly, which is used to connect and fix the steam head and the water head to the dishwasher; the connecting assembly includes a spray arm joint and a locking nut, one end of the spray arm joint is connected to the steam head or the water head, and the other end is connected to the locking nut; the spray arm joint is connected from top to bottom, and the steam inlet and the water inlet are respectively connected to the spray arm joints on both sides.

[0014] Furthermore, the steam head is provided with a first external thread, the water head is provided with a second external thread, the spray arm joint is provided with an internal thread, and the internal thread cooperates with the first external thread and the second external thread; a sealing ring is provided between the spray arm joint and the locking nut.

[0015] The utility model provides a dishwasher, which comprises the above-mentioned dishwasher spray arm structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0017] Figure 2 It is an exploded view of Embodiment 1 of the present utility model;

[0018] Figure 3 It is a structural schematic diagram of the auxiliary spray arm of Example 1 of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the steam plug of Example 1 of the utility model;

[0020] Figure 5 This is a schematic structural diagram of a water plug according to Embodiment 1 of the present utility model;

[0021] Figure 6 It is a structural schematic diagram of the steam blocking cover of Example 1 of the utility model;

[0022] Figure 7 A schematic structural diagram of a water blocking cover in Example 1 of the utility model.

[0023] In the figure: 1. first spray chamber; 2. second spray chamber; 3. isolating member; 4. steam inlet; 5. water inlet; 6. first steam spray hole; 7. first water spray hole; 8. auxiliary spray arm; 9. third chamber; 10. fourth chamber; 11. second water spray hole; 12. steam head; 13. water head; 14. steam plug; 15. steam plug cover; 16. second steam spray hole; 17. mounting column; 18. first inclined plane; 19. water plug; 20. water plug cover; 21. convex ring; 22. second inclined plane; 23. connecting assembly; 24. spray arm joint; 25. locking nut; 26. first external thread; 27. second external thread; 28. internal thread; 29. ​​sealing ring; 30. block; 31. buckle. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] Embodiment 1:

[0026] This embodiment provides a dishwasher spray arm structure, such as Figure 1-Figure 5 As shown, it is used for a dishwasher, comprising a first spray chamber 1 and a second spray chamber 2, which are arranged adjacent to each other, the first spray chamber 1 is used to pass steam, and the second spray chamber 2 is used to pass clean water, and a partition 3 is provided between the first spray chamber 1 and the second spray chamber 2 to separate the two; a steam inlet 4 is provided on the first spray chamber 1, and a water inlet 5 is provided on the second spray chamber 2; a first steam spray hole 6 is provided on the first spray chamber 1, and the first steam spray hole 6 is communicated with the first spray chamber 1; a first water spray hole 7 is provided on the second spray chamber 2, and the first water spray hole 7 is communicated with the second spray chamber 2. In this embodiment, the partition 3 is a partition.

[0027] The design of the inner spray chamber and the outer spray chamber has a complex structure and high production cost. In particular, it is difficult to deal with the blockage of the inner spray chamber. The first spray chamber 1 and the second spray chamber 2 are arranged adjacent to each other, which is convenient for assembly and has a simple structure, thereby reducing the production cost. Whether the first spray chamber 1 or the second spray chamber 2 is blocked, they can be repaired separately, and later maintenance is convenient.

[0028] An auxiliary spray arm 8 is provided between the first spray chamber 1 and the second spray chamber 2, and a third chamber 9 and a fourth chamber 10 are provided in the auxiliary spray arm 8; a partition 3 is provided in the auxiliary spray arm 8, and the third chamber 9 and the fourth chamber 10 are separated by the partition 3; a second water spray hole 11 is provided on the fourth chamber 10; the third chamber 9 is connected to the first spray chamber 1, and the fourth chamber 10 is connected to the second spray chamber 2; the auxiliary spray arm 8 is in a long strip shape. The design of the auxiliary spray arm 8 can expand the water spray range.

[0029] A steam head 12 and a water head 13 are provided on both sides of the auxiliary spray arm 8, the first spray chamber 1 is arranged on the steam head 12, and the second spray chamber 2 is arranged on the water head 13; the steam head 12 is detachably connected to one end of the auxiliary spray arm 8, and the water head 13 is detachably connected to the other end of the auxiliary spray arm 8. The detachable connection can facilitate assembly and subsequent maintenance, and is convenient for inspection or replacement of parts after disassembly, thereby reducing maintenance costs.

[0030] In order to ensure the reliability of the structure of the steam head 12, the steam head 12 includes a steam plug 14 and a steam plug cover 15. The first spray chamber 1 is arranged on the steam plug 14. One end of the steam plug 14 can be detachably connected to one end of the auxiliary spray arm 8, and the other end of the steam plug 14 can be detachably connected to the steam plug cover 15. The detachable design of the steam plug cover 15 can facilitate the inspection and maintenance of the steam plug 14. When the steam plug 14 is blocked internally for inspection, it is not necessary to disassemble the entire spray arm structure. It is only necessary to remove the steam plug cover 15 to observe the internal condition of the steam plug 14.

[0031] In order to expand the steam injection range, such as Figure 6As shown, the steam plug cover 15 is provided with a second steam spray hole 16; the steam plug cover 15 is provided with a plurality of mounting posts 17, which are arranged at least on two opposite sides of the steam plug cover 15; when the steam plug cover 15 and the steam plug head 14 are installed, the mounting posts 17 abut against the cavity wall of the first spray cavity 1; the steam plug head 14 and the steam plug cover 15 are connected by buckles; the steam plug cover 15 is provided with a first inclined surface 18 extending outward, and the first inclined surface 18 is inclined toward the inner wall surface of the dishwasher. Specifically, the steam plug head 14 is provided with a clamping block 30, and the steam plug cover 15 is provided with a buckle 31, and the clamping block 30 cooperates with the buckle 31. The design of the second steam spray hole 16 allows steam to be sprayed from the side, thereby increasing the coverage area of ​​the steam; the mounting column 17 is installed in conjunction with the first spray chamber 1, thereby simplifying the assembly of the steam plug cover 15 and the steam plug head 14; the snap connection can increase the connection strength and prevent the steam plug cover 15 from accidentally falling off; the design of the first slope 18 can improve the protection and prevent debris from entering the second steam spray hole 16.

[0032] In order to ensure the reliability of the structure of the water head 13, the water head 13 includes a water plug 19 and a water plug cover 20. The second spray chamber 2 is arranged on the water plug 19. One end of the water plug 19 is detachably connected to one end of the auxiliary spray arm 8, and the other end of the water plug 19 is detachably connected to the water plug cover 20. The detachable design of the water plug cover 20 can facilitate the inspection and maintenance of the water plug 19. When the water plug 19 is blocked internally for inspection, it is not necessary to disassemble the entire spray arm structure. Only the water plug cover 20 needs to be removed to observe the internal condition of the water plug 19.

[0033] In order to facilitate the connection between the water plug 19 and the water plug cover 20, as shown in FIG. Figure 7 As shown, the water plug cover 20 is provided with a convex ring 21, and when the water plug head 19 and the water plug cover 20 are installed, the convex ring 21 abuts against the cavity wall of the second spray cavity 2; the water plug cover 20 is provided with a second inclined surface 22 extending outward, and the second inclined surface 22 is inclined toward the inner wall surface of the dishwasher. The convex ring 21 is installed in conjunction with the second spray cavity 2, so that the assembly of the water plug head 19 and the water plug cover 20 is simple; the design of the second inclined surface 22 can improve the protection and reduce the risk of scratching the user's hand, and at the same time, the symmetrical arrangement with the first inclined surface 18 is more beautiful.

[0034] In order to ensure reliable connection with the dishwasher, the steam head 12 and the water head 13 are both provided with a connecting assembly 23, which is used to connect and fix the steam head 12 and the water head 13 to the dishwasher; the connecting assembly 23 includes a spray arm joint 24 and a locking nut 25, one end of the spray arm joint 24 is connected to the steam head 12 or the water head 13, and the other end is connected to the locking nut 25; the spray arm joint 24 is connected from top to bottom, and the steam inlet 4 and the water inlet 5 are respectively connected to the spray arm joints 24 on both sides. One end of the spray arm joints 24 on both sides is respectively connected to the steam head 12 and the water head 13, and the other end extends into the housing of the dishwasher, and then the spray arm joint 24 is pressed and locked with the housing of the dishwasher by the locking nut 25, which is convenient for installation; the spray arm joint 24 is connected from top to bottom, which is convenient for water and steam inlet.

[0035] In order to facilitate the connection of the spray arm joint 24, the steam head 12 is provided with a first external thread 26, the water head 13 is provided with a second external thread 27, and the spray arm joint 24 is provided with an internal thread 28, which cooperates with the first external thread 26 and the second external thread 27; a sealing ring 29 is provided between the spray arm joint 24 and the locking nut 25. Specifically, the first external thread 26 is arranged at the bottom of the steam plug 14, and the second external thread 27 is arranged at the bottom of the water plug 19. The first external thread 26 cooperates with the internal thread 28, and the second external thread 27 cooperates with the internal thread 28, so that the steam head 12 and the water head 13 are both conveniently connected to the spray arm joint 24; the sealing ring 29 can improve the sealing performance and reduce the risk of water leakage.

[0036] Embodiment 2:

[0037] A dishwasher provided in this embodiment includes a dishwasher spray arm structure as described in Embodiment 1.

[0038] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A dishwasher spray arm structure, used in a dishwasher, characterized in that: The invention comprises a first spray chamber (1) and a second spray chamber (2), wherein the first spray chamber (1) and the second spray chamber (2) are arranged adjacent to each other, the first spray chamber (1) is used for introducing steam, and the second spray chamber (2) is used for introducing clean water, and an isolation member (3) is provided between the first spray chamber (1) and the second spray chamber (2) for separating the two; the first spray chamber (1) is provided with a steam inlet (4), and the second spray chamber (2) is provided with a water inlet (5); the first spray chamber (1) is provided with a first steam spray hole (6), and the first steam spray hole (6) is connected to the first spray chamber (1); the second spray chamber (2) is provided with a first water spray hole (7), and the first water spray hole (7) is connected to the second spray chamber (2).

2. A dishwasher spray arm structure according to claim 1, characterized in that: An auxiliary spray arm (8) is provided between the first spray chamber (1) and the second spray chamber (2), and a third chamber (9) and a fourth chamber (10) are provided in the auxiliary spray arm (8); an isolating member (3) is provided in the auxiliary spray arm (8), and the third chamber (9) and the fourth chamber (10) are separated by the isolating member (3); a second water spray hole (11) is provided in the fourth chamber (10); the third chamber (9) and the first spray chamber (1) are in communication, and the fourth chamber (10) and the second spray chamber (2) are in communication.

3. A dishwasher spray arm structure according to claim 2, characterized in that: A steam head (12) and a water head (13) are provided on both sides of the auxiliary spray arm (8); the first spray chamber (1) is arranged on the steam head (12), and the second spray chamber (2) is arranged on the water head (13); the steam head (12) is detachably connected to one end of the auxiliary spray arm (8), and the water head (13) is detachably connected to the other end of the auxiliary spray arm (8).

4. A dishwasher spray arm structure according to claim 3, characterized in that: The steam head (12) comprises a steam plug (14) and a steam plug cover (15); the first spray chamber (1) is arranged on the steam plug (14); one end of the steam plug (14) can be detachably connected to one end of the auxiliary spray arm (8); and the other end of the steam plug (14) is detachably connected to the steam plug cover (15).

5. A dishwasher spray arm structure according to claim 4, characterized in that: The steam plugging cover (15) is provided with a second steam spray hole (16); the steam plugging cover (15) is provided with a plurality of mounting columns (17), and the mounting columns (17) are arranged at least on two opposite sides of the steam plugging cover (15); when the steam plugging cover (15) and the steam plug (14) are installed, the mounting columns (17) abut against the cavity wall of the first spray cavity (1); the steam plug (14) and the steam plugging cover (15) are connected by a buckle; the steam plugging cover (15) is provided with a first inclined surface (18) extending outward, and the first inclined surface (18) is inclined toward the inner wall surface of the dishwasher.

6. A dishwasher spray arm structure according to claim 3, characterized in that: The water head (13) comprises a water plug (19) and a water plug cover (20); the second spray chamber (2) is arranged on the water plug (19); one end of the water plug (19) is detachably connected to one end of the auxiliary spray arm (8); and the other end of the water plug (19) is detachably connected to the water plug cover (20).

7. A dishwasher spray arm structure according to claim 6, characterized in that: The water plugging cover (20) is provided with a convex ring (21), and when the water plugging head (19) and the water plugging cover (20) are installed, the convex ring (21) abuts against the cavity wall of the second spray cavity (2); the water plugging cover (20) is provided with a second inclined surface (22) extending outward, and the second inclined surface (22) is inclined toward the inner wall surface of the dishwasher.

8. The spray arm structure of a dishwasher according to claim 3, characterized in that: The steam head (12) and the water head (13) are both provided with a connecting assembly (23), and the connecting assembly (23) is used to connect and fix the steam head (12) and the water head (13) to the dishwasher; the connecting assembly (23) comprises a spray arm joint (24) and a locking nut (25); one end of the spray arm joint (24) is connected to the steam head (12) or the water head (13), and the other end is connected to the locking nut (25); the spray arm joint (24) is connected from top to bottom, and the steam inlet (4) and the water inlet (5) are respectively connected to the spray arm joints (24) on both sides.

9. A dishwasher spray arm structure according to claim 8, characterized in that: The steam head (12) is provided with a first external thread (26), the water head (13) is provided with a second external thread (27), the spray arm joint (24) is provided with an internal thread (28), and the internal thread (28) cooperates with the first external thread (26) and the second external thread (27); a sealing ring (29) is provided between the spray arm joint (24) and the locking nut (25).

10. A dishwasher, characterized in that: It comprises a dishwasher spray arm structure as claimed in any one of claims 1 to 9.

Citation Information

Patent Citations

  • Spraying arm assembly and dishwasher

    CN210990093U