Washing arm and dish washing machine

Abstract

The washing arm comprises a water distribution base, a main washing arm assembly, a rinsing arm assembly, a buckle assembly and a water distribution assembly, the rinsing arm assembly is rotatably arranged on the periphery of the water distribution assembly in a sleeved mode, the buckle assembly is connected with the water distribution assembly, a connecting rod is arranged on the water distribution base, and the connecting rod is connected with the main washing arm assembly. The main washing arm assembly is rotatably arranged on the periphery of the connecting rod in a sleeving mode, a clamping groove is formed in the tail end of the connecting rod, the buckle assembly comprises a clamping seat and a clamping piece movably connected with the clamping seat, and the clamping piece is provided with a clamping part matched with the clamping groove. The buckle assembly in the washing arm is simple in structure, convenient to assemble and low in cost, the rinsing arm assembly and the buckle assembly form a whole through the clamping base and the clamping piece connected with the clamping base, parts of the rinsing arm assembly and the buckle assembly are not prone to being lost, mounting and dismounting of the main washing arm assembly can be facilitated, and the washing arm is convenient to use. And the main washing arm assembly and the rinsing arm assembly are not easy to loosen and fall off to damage the tableware.

Description

Technical Field

[0001] The utility model belongs to the technical field of dishwasher equipment, and particularly relates to a wash arm and a dishwasher. Background Art

[0002] In modern dishwasher technology, the design and function of the wash arm assembly have a crucial impact on wash results. Commercial dishwashers typically have two sets of rinse arms and two sets of main wash arms. These two wash arm systems typically form an upper and lower arrangement within the dishwasher's wash chamber. During washing, the wash arms rotate under hydraulic pressure while spraying wash water, ensuring a thorough cleaning of all dishware.

[0003] In the traditional design of wash arm assemblies, the main wash arm assembly and the rinse arm assembly are respectively installed on a water distribution bolt shaft and locked with nuts, which makes disassembly and assembly inconvenient.

[0004] To this end, in recent years, people have been working hard to solve this problem. For example, Chinese invention patent application publication specification CN113662487A discloses a wash arm assembly, which includes a snap assembly. The snap assembly has one or more locking members. The wash arm assembly can be easily disassembled by cooperating between the locking member and the snap assembly, or by cooperating between the multiple locking members themselves. However, the snap assembly of the wash arm assembly has a complex structure, is inconvenient to assemble, and has a high cost. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a wash arm, in which the buckle assembly is simple in structure, easy to assemble and low in cost, and the rinse arm and the buckle assembly form a whole, so that its parts are not easily lost, and the main wash arm assembly can be easily installed and disassembled, and the main wash arm assembly and the rinse arm assembly are not easy to loosen and fall and damage tableware.

[0006] A wash arm comprises a water diversion seat, a main wash arm assembly, a rinse arm assembly, a snap assembly and a water diversion assembly, wherein the rinse arm assembly can be rotatably sleeved on the outer periphery of the water diversion assembly, the snap assembly is connected to the water diversion assembly, a connecting rod is provided on the water diversion seat, the main wash arm assembly can be rotatably sleeved on the outer periphery of the connecting rod, a slot is provided at the end of the connecting rod, the snap assembly comprises a snap seat, and a clamping piece movably connected to the snap seat, and the clamping piece is provided with a snap connection portion matching the slot.

[0007] Preferably, the engaging seat includes a base, a substrate arranged on the base and connected to the base, the engaging portion is arranged between the base and the substrate, and the second engaging plate of the engaging member is spaced apart from the edge of the engaging seat.

[0008] Preferably, the clamping member also includes a first clamping plate and a connecting part connected to the clamping part. The first clamping plate is arranged on the side of the clamping part and extends downward. The second clamping plate is extended downward on the side of the connecting part. The first clamping plate is inserted into the inner cavity of the base and abuts against the spring accommodated in the accommodating cavity. The spring abuts against the first clamping plate. The center hole of the connecting part is movably connected to the limiting column. Therefore, the connecting part can be movably arranged in the clamping port of the base.

[0009] Furthermore, the wash arm also includes a connecting seat, which is fixed on the main wash arm assembly. The connecting seat includes a second connecting seat body, and the main wash arm assembly is sleeved outside the second connecting seat body. The slot of the connecting rod passes through the second center channel of the connecting seat and is connected to the clamping part. The second center channel is rotatably sleeved on the connecting rod.

[0010] The utility model also provides a dishwasher, comprising the above-mentioned washing arm.

[0011] The above technical solution has the following beneficial effects:

[0012] (1) The wash arm provided by the present invention is integrated with the rinsing arm and the buckle assembly by merely providing a snap seat and a clip connected to the snap seat. The parts are not easily lost, and the main wash arm assembly and the rinsing arm assembly are not easily loosened and fall down to damage the tableware during installation and disassembly.

[0013] (2) The buckle assembly in the wash arm provided by the utility model has a simple structure, is easy to assemble, and has low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The disclosure of the present invention will become easier to understand with reference to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of the present invention. In the drawings:

[0015] Figure 1 It is a three-dimensional diagram of the wash arm of the utility model;

[0016] Figure 2 It is an exploded view of the wash arm of the utility model;

[0017] Figure 3 It is a top view of the wash arm of the utility model;

[0018] Figure 4 For the Figure 3 Cross-sectional view along line AA;

[0019] Figure 5 It is a three-dimensional diagram of the card;

[0020] Figure 6 A three-dimensional diagram of the base;

[0021] Figure 7 This is an enlarged structural diagram of the connecting seat.

[0022] Reference numerals:

[0023] 1. Water distribution seat; 11. Connecting rod; 111. Card slot;

[0024] 2. Main wash arm assembly; 21. Wash arm body;

[0025] 3. Rinse arm assembly; 31. First center channel;

[0026] 4. Buckle assembly; 41. Base; 42. Clamp; 43. Base plate; 44. Closing washer; 45. Screw; 411. Accommodating cavity; 412. Spring; 413. Limiting post; 414. Bayonet; 415. Side wall; 421. Snap-fit portion; 422. Connecting portion; 423. First clamping plate; 424. Second clamping plate;

[0027] 5. Water diversion assembly; 51. Water diversion member; 52. First gasket; 53. Water diversion sleeve; 54. Second gasket; 511. Boss; 512. Water diversion bolt shaft; 531. Main body; 5121. First water diversion hole; 5122. Annular notch; 5311. Second water diversion hole;

[0028] 6. Connecting seat; 62. Second seat plate; 63. Second central channel; 611. First connecting seat body; 612. Second connecting seat body. DETAILED DESCRIPTION

[0029] The specific implementation of the present utility model will be further described below with reference to the accompanying drawings.

[0030] It is easy to understand that according to the technical solution of the present invention, a variety of structural methods and implementation methods can be replaced by those skilled in the art without changing the essential spirit of the present invention. Therefore, the following specific embodiments and drawings are only illustrative of the technical solution of the present invention and should not be regarded as the entire present invention or as a limitation or restriction of the technical solution of the utility model.

[0031] In this specification, directional terms such as "up," "down," "left," "right," "front," "back," "front," "back," "top," and "bottom" are defined relative to the configurations shown in the accompanying drawings. These terms are relative and may vary depending on the device's location or usage. Therefore, these and other directional terms should not be construed as restrictive. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0033] A specific embodiment of the present utility model provides a wash arm, including a water diversion seat 1, a main wash arm assembly 2, a rinse arm assembly 3, a snap assembly 4 and a water diversion assembly 5. The rinse arm assembly 3 can be rotatably sleeved on the outer periphery of the water diversion assembly 5, and the snap assembly 4 is connected to the water diversion assembly 5. A connecting rod 11 is provided on the water diversion seat 1, and the main wash arm assembly 2 can be rotatably sleeved on the outer periphery of the connecting rod 11. A card slot 111 is provided at the end of the connecting rod 11. The snap assembly 4 includes a snap seat and a movably connected card member 42. The card member 42 is provided with a snap connection portion 421 matching the card slot 111.

[0034] The buckle assembly of the wash arm provided by the utility model only comprises a snap-fit seat and a clamping member 42 connected to the snap-fit seat, and has a simple structure, convenient assembly and low cost.

[0035] The wash arm provided in this embodiment provides a simple-structured snap assembly, in which the snap member 42 can move back and forth relative to the snap seat, so that the snap portion 421 can be snapped into or out of the snap slot 111, and the main wash arm assembly 2 and the rinse arm assembly 3 can be quickly connected and separated, thereby facilitating the installation and disassembly of the main wash arm assembly 2.

[0036] The wash arm provided in this embodiment, by providing the clamping member 42 of the buckle assembly 4 and the clamping slot 111 of the connecting rod 11, ensures that the clamping portion 421 matches the clamping slot 111, thereby increasing the tightness of the connection, making the rinse arm assembly 3 and the buckle assembly 4 form a whole, and preventing the parts from being lost. The clamping portion 421 and the clamping slot 111 engage with each other, thereby firmly fixing the connecting rod 11 to the water diversion assembly 5, and effectively preventing the components at the connection between the two from loosening or falling off, so that neither the wash arm assembly 2 nor the rinse arm assembly 3 is likely to loosen and fall off and damage the tableware.

[0037] Specifically, the snap-fit seat includes a base 41, a substrate 43 and a closed gasket 44. The snap-fit portion 421 of the snap member 42 is arranged between the snap-fit seat 41 and the substrate 43. The base 41 and the substrate 43 are fixedly connected by screws 45. A gap is set between the second snap plate 424 of the snap member 42 and the edge of the snap-fit seat, so as to facilitate pushing the second snap plate 424, driving the snap member 42 to move back and forth relative to the base 41, and facilitating the control of the snap member 42 to move back and forth relative to the snap-fit seat.

[0038] Specifically, the clamping member 42 also includes a first clamping plate 423 and a connecting portion 422 connected to the clamping portion 421. The first clamping plate 423 is arranged on the side of the clamping portion 421 and extends downward. On the side of the connecting portion 422, a second clamping plate 424 is extended downward. The first clamping plate 423 is inserted into the inner cavity of the clamping seat 41 and abuts against the spring 412 accommodated in the accommodating cavity 411. The spring 412 abuts against the first clamping plate 423. The center hole of the connecting portion 422 is sleeved on the limiting column 413 of the base 41. The center hole of the connecting portion 422 is movably connected to the limiting column 413, and the connecting portion 422 is movably arranged in the clamping port 414 of the base 41.

[0039] In this embodiment, when the second clamping plate 424 is pushed, the first clamping plate 423 can be driven to squeeze the spring 412, so that the clamping portion 421 can leave the clamping slot 111, so that the connecting rod 11 and the buckle assembly 4 can be separated. When no thrust is applied to the second clamping plate 424, the spring 412 squeezes the first clamping plate 423, so that the clamping portion 421 can be firmly mounted on the clamping slot 111 again.

[0040] Specifically, the wash arm also includes a connecting seat 6, which is fixedly arranged on the main wash arm assembly 2. The connecting seat 6 includes a main seat body and a second seat plate 62 sleeved on the outer wall of the main seat body. The second seat plate 62 is arranged on the wash arm body 21 of the main wash arm assembly 2. The main seat body also includes a first connecting seat body 611 and a second connecting seat body 612 respectively arranged on the upper and lower parts of the second seat plate 62. A second center channel 63 is vertically penetrated through the inner cavity of the first connecting seat body 611 and the second connecting seat body 612. The end of the connecting rod 11 passes through the second center channel 63 and can be connected to the clamping portion 421. The second center channel 63 is rotatably sleeved on the connecting rod 11, so that the second center channel 63 can rotate around the connecting rod 11, and then the main wash arm assembly 2 can rotate around the connecting rod 11.

[0041] In this embodiment, the connection seat 6 is provided, thereby making it more convenient to fix the main wash arm assembly and more conducive to the wash arm assembly 2 being able to rotate around the connection rod 11 .

[0042] Specifically, the water diversion assembly 5 includes a water diversion part 51, the rinse arm assembly 3 is sleeved on the water diversion part 51, the water diversion part 51 includes a water diversion bolt shaft 512, the seat body 41 has a side wall 415 extending downward, the water diversion bolt shaft 512 is connected to the inner cavity wall of the side wall 415 through a threaded connection, thereby connecting the water diversion bolt shaft 512 to the locking seat.

[0043] Specifically, the water diversion member 51 further includes a boss 511 provided on the outer periphery of the water diversion bolt shaft 512 for preventing the rinsing arm assembly 3 from falling off, and the rinsing arm assembly 3 abuts against the top of the boss 511 .

[0044] Specifically, the boss 511 and the water-dividing bolt shaft 512 are integrally formed, and the boss 511 plays a blocking and limiting role. When the rinsing arm assembly 3 is sleeved on the water-dividing assembly 5 and rotated, the boss 511 can prevent the rinsing arm assembly 3 from disengaging from the water-dividing bolt shaft 512 downward.

[0045] Specifically, the water diversion assembly 5 also includes a first gasket 52, a water diversion sleeve 53 and a second gasket 54. The water diversion sleeve 53 is sleeved on the lower part of the water diversion bolt shaft 512. The water diversion sleeve 53 includes a main body 531 and a first connecting ring and a second connecting ring arranged on the upper and lower parts of the main body 531. The first central channel 31 of the rinsing arm assembly 3 is fixedly sleeved outside the main body 531. In this embodiment, the main body 531 is fixed in the first central channel 31 of the rinsing arm assembly 3 through a stamping process, and is integrated with the rinsing arm assembly 3. The rinsing arm assembly 3 is formed by the diversion sleeve 53. The water jacket 53 rotates around the first water diversion hole 5121 provided on the water diversion bolt shaft 512. The first gasket 52 is sleeved outside the second connecting ring and is arranged between the boss 511 and the rinsing arm assembly 3. The second water diversion hole 5311 on the main body 531 corresponds to the position of the first water diversion hole 5121 at the lower portion of the water diversion bolt shaft 512. The inner cavity of the washing arm of the rinsing arm assembly 3 is connected to the first water diversion hole 5121, so that water flowing out of the first water diversion hole 5121 passes through the inner cavity of the rinsing arm and is then sprayed out from the nozzle in the inner cavity of the rinsing arm.

[0046] Specifically, the second gasket 54 is sleeved outside the first connecting ring and is arranged between the rinsing arm assembly 3 and the side wall 415. The upper part of the water diversion bolt shaft 512 passes through the first central channel 31 of the rinsing arm assembly 3 and is connected to the side wall 415. The upper thread cooperates with the thread on the inner cavity wall of the side wall 415.

[0047] Specifically, the top of the upper part is inserted into the inner cavity of the lower part of the connecting rod 11 and has an interference fit with the inner cavity of the connecting rod 11. The top of the upper part is provided with an annular notch 5122, and the closing gasket 44 is sleeved on the second annular notch 5122 to seal the inner cavity of the connecting rod 11 and the upper part of the water-dividing bolt shaft 512.

[0048] Specifically, the water diversion bolt shaft 512 is threadedly connected to the side wall 415, thereby stably connecting the water diversion bolt shaft 512 and the clip assembly 4. The clip assembly 4 can connect the connecting rod 11 and the water diversion bolt shaft 512, thereby connecting the main wash arm assembly 2, the rinse arm assembly 3, and the water diversion base 1 to form a unified structure. The water diversion bolt shaft 512 of the water diversion member 51 provides an axis of rotation for the rinse arm assembly 3, allowing it to rotate around the water diversion bolt shaft 512, thereby achieving the function of spraying water for cleaning.

[0049] This embodiment also provides a dishwasher, including the above-mentioned wash arm.

[0050] The above are only the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principles of the present invention, several other modifications can be made, which should also be considered as the scope of protection of the present invention.

Claims

1. A wash arm, comprising a water diversion seat (1), a main wash arm assembly (2), a rinse arm assembly (3), a buckle assembly (4) and a water diversion assembly (5), wherein the rinse arm assembly (3) is rotatably sleeved on the outer periphery of the water diversion assembly (5), the buckle assembly (4) is connected to the water diversion assembly (5), a connecting rod (11) is provided on the water diversion seat (1), the main wash arm assembly (2) is rotatably sleeved on the outer periphery of the connecting rod (11), and a clamping groove (111) is provided at the end of the connecting rod (11), characterized in that: The buckle assembly (4) comprises a snap-fit seat and a snap-fit member (42) movably connected to the snap-fit seat, wherein the snap-fit member (42) is provided with a snap-fit portion (421) matching the snap-fit slot (111).

2. The wash arm according to claim 1, characterized in that The snap-fit seat comprises a base (41), a substrate (43) arranged on the base (41) and connected to the base (41), the snap-fit portion (421) is arranged between the base (41) and the substrate (43), and a gap is provided between the second snap-fit plate (424) of the snap-fit member (42) and the edge of the snap-fit seat.

3. The wash arm according to claim 2, characterized in that: The clamping member (42) further includes a first clamping plate (423) and a connecting portion (422) connected to the clamping portion (421). The first clamping plate (423) is arranged on the side of the clamping portion (421) and extends downward. The second clamping plate (424) is extended downward on the side of the connecting portion (422). The first clamping plate (423) is inserted into the inner cavity of the base (41) and abuts against the spring (412) accommodated in the accommodating cavity (411). The spring (412) abuts against the first clamping plate (423). The center hole of the connecting portion (422) is sleeved on the limiting column (413) of the base (41). The center hole of the connecting portion (422) is movably connected to the limiting column (413). The connecting portion (422) is movably arranged in the clamping port (414) of the base (41).

4. The wash arm according to claim 1, characterized in that The invention also includes a connecting seat (6), wherein the connecting seat (6) is fixedly arranged on the main wash arm assembly (2), the connecting seat (6) includes a second connecting seat body (612), the main wash arm assembly (2) is sleeved outside the second connecting seat body (612), the clamping groove (111) of the connecting rod (11) passes through the second central channel (63) of the connecting seat (6) and is connected to the clamping portion (421), and the second central channel (63) is rotatably sleeved on the connecting rod (11).

5. A dishwasher, characterized in that: The invention comprises the wash arm according to any one of claims 1 to 4.

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