Spraying device and dish washing machine

Abstract

The utility model belongs to the technical field of electric appliances, and discloses a spraying device and a dish washing machine. The spraying device comprises a main spraying arm and a water supply pipe which are connected, the water supply pipe supplies water to the main spraying arm, the spraying device further comprises a reinforced spraying arm, the reinforced spraying arm comprises a water passing pipe and a spraying piece, the water passing pipe is provided with a water inlet channel, and the water inlet end of the water inlet channel is communicated with the water supply pipe; the number of the spraying pieces is at least two, the spraying pieces are arranged at intervals in the extending direction of the water passing pipe, water containing cavities are formed in the spraying pieces, the spraying pieces are arranged below the water passing pipe and provided with spraying holes with upward openings, and the spraying holes are in fluid communication with the water inlet channel through the water containing cavities. The dish washing machine comprises the spraying device. According to the spraying device and the dish-washing machine, local enhanced washing can be achieved through the enhanced spraying arm, the washing effect on deep tableware and heavily polluted tableware can be improved, and the use experience of the dish-washing machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliances, in particular to a spray device and a dishwasher. Background Art

[0002] A dishwasher is a device that can automatically rinse tableware, which can effectively free the user's hands and improve the user's quality of life. In order to rinse the tableware in the dishwasher, a spray arm is usually provided inside the inner tank of the dishwasher. The spray arm is installed on the lower side of the bowl basket, and a plurality of spray holes are provided on the lower surface of the spray arm. When the dishwasher is running, water flows into the spray arm through the main water supply pipeline and sprays upward through the spray holes, thereby rinsing the tableware.

[0003] The dishwasher provided by the prior art usually has an upper and lower dish rack. The bottom spray arm and the middle spray arm in the dishwasher respectively flush the tableware on the lower rack and the upper rack with water from bottom to top to complete the rinsing of the tableware. However, the conventional spray arm structure has a washing dead angle when washing tableware with a relatively large washing depth or when individual tableware is seriously contaminated. Firstly, due to continuous rotation, it is difficult for the conventional spray arm to stay in a single position and it is impossible to flush stubborn stains in a targeted manner. Secondly, after driving the spray arm to rotate, the water flow will consume part of the kinetic energy, resulting in the attenuation of the water flow flushing force, which makes it difficult to meet the washing needs of highly contaminated areas.

[0004] In order to improve the local cleaning effect of a dishwasher, a local enhanced washing structure of a dishwasher and a dishwasher are provided in the prior art, such as Figure 1 As shown, a water supply pipe 100 is installed in the inner cavity of the dishwasher, and a rotating spray arm 300 is installed on one side of the water supply pipe 100 through a rotating joint 200; the local enhanced washing structure also includes a water diversion joint 400 and a spray head 500, the water diversion joint 400 is provided with a first end 401 and a second end 402, the first end 401 is connected to the water supply pipe 100, and the second end 402 is connected to the spray head 500, the spray head 500 includes an extension arm, the extension arm is connected to the water diversion joint 400, and a plurality of nozzles 501 are provided on the upper side of the extension arm along its length direction, and the nozzles 501 are oriented toward the direction of the bowl basket for spraying washing water to the bowl basket.

[0005] The dishwasher with local enhanced washing provided by the prior art can enhance the local washing effect of tableware by setting the nozzle 500, but it is achieved by arranging tubular nozzles 500 side by side on the side of the water supply pipe 100. The nozzle 500 is attached to the bottom of the dish rack, and the nozzle 501 at the end for spraying water has no obstruction from the tableware and even directly extends into the dish rack and is "inserted" into the gap between the tableware. Although these arrangements have achieved relatively good washing effects, the residual residues and splashed oil stains left after washing are likely to clog the spray holes, and the descending water flow after washing will interfere with the rising water column to produce turbulence, affecting the washing effect. Utility Model Content

[0006] The purpose of the utility model is to provide a spray device, which can achieve local enhanced washing of tableware while reducing the probability of auxiliary spray holes being blocked, improving the spray flushing effect of tableware, and improving the reliability and long-term performance of the spray device.

[0007] Another object of the utility model is to provide a dishwasher, which can improve the spray cleaning effect of tableware and enhance the user experience of the dishwasher.

[0008] To achieve this purpose, the utility model adopts the following technical solutions:

[0009] A spray device comprises a main spray arm and a water supply pipe connected to each other, wherein the water supply pipe supplies water to the main spray arm, and the spray device further comprises a reinforced spray arm, wherein the reinforced spray arm comprises:

[0010] A water pipe having a water inlet channel, wherein the water inlet end of the water inlet channel is connected to the water supply pipe;

[0011] There are at least two spraying parts which are spaced apart along the extension direction of the water pipe. The spraying parts have a water-containing cavity inside. The spraying parts are arranged below the water pipe and have spraying holes opening upward. The spraying holes are connected to the fluid of the water inlet channel through the water-containing cavity.

[0012] As an optional technical solution for a spray device, the spray member can be rotatably installed on the water pipe and the extension direction of its rotation axis intersects with the extension direction of the water pipe, and each of the spray holes is inclined relative to the rotation axis of the spray member so that the spray member can be driven to rotate when water flows out of the spray holes.

[0013] As an optional technical solution for a spray device, the spray part includes a main shell, the main shell is a rotating body, the axis of the rotating body is the rotation axis, the main shell is rotatably connected to the water pipe, and the main shell has the water containing chamber and the spray hole.

[0014] As an optional technical solution of the spray device, the distance between each of the spray holes and the rotation axis is greater than the outer diameter of the water pipe;

[0015] And / or, the maximum outer diameter of the spray element is 20 mm to 40 mm.

[0016] As an optional technical solution for a spray device, the water containing chamber has a water inlet connected to the water inlet channel, a partition component is arranged inside the spray element, the water containing chamber is divided into a plurality of sub-water chambers by the partition component, the plurality of sub-water chambers are arranged at intervals around the rotation axis, each of the sub-water chambers has a corresponding spray hole, and each of the sub-water chambers is connected to the water inlet and the corresponding spray hole.

[0017] As an optional technical solution for the spray device, the spray element has a partition cavity inside, the partition cavity is separated from the sub-water cavity and the water inlet by the partition component, and the partition cavity and the sub-water cavity are staggered around the rotation axis.

[0018] As an optional technical solution for the spray device, each of the spray elements is in a disc-shaped structure, there are at least two spray holes, both are opened on the top of the spray element, and each of the spray holes is spaced apart in the circumferential direction of the spray element.

[0019] As an optional technical solution for a spray device, the water pipe includes a main body and a connecting pipe portion, the extension direction of the main body is arranged at an angle with the extension direction of the connecting pipe portion, the water inlet channel includes a main channel located inside the main body and a branch channel located inside the connecting pipe portion, the branch channel is communicated with the main channel, the connecting pipe portion and the spray element are arranged in a one-to-one correspondence, the spray element is rotatably mounted on the connecting pipe portion, and the water containing cavity is communicated with the branch channel;

[0020] And / or, a conversion component is provided on the water pipe, and the conversion component is arranged one-to-one with the spray component. The spray component is provided with a water inlet, and the lower end of the conversion component can be rotatably clamped on the water inlet. The conversion component has a water passage, and the water inlet channel, the water passage, the water inlet and the water containing chamber are connected in sequence.

[0021] As an optional technical solution for the spray device, the upper end of the adapter component is spirally sleeved with the connecting pipe portion;

[0022] And / or, the lower end of the adapter component is provided with at least two claws at circumferential intervals along the connecting pipe portion, the lower end of the claw has a hook portion protruding away from the rotation axis, the claw is inserted into the water inlet, and the hook portion abuts against the inner wall of the water containing chamber.

[0023] As an optional technical solution for the spray device, a connecting piece is provided on the water pipe, and the connecting piece has a hook portion, and the hook portion is used to be hooked with the rod-shaped structure of the shelf;

[0024] And / or, the spray device includes a control valve, which is installed on the water pipe and is used to control the on-off of the water inlet channel, and the control valve is located upstream of all the spray components.

[0025] A dishwasher comprises a water supply assembly, an inner tank and a rack arranged in the inner tank, and also comprises the spray device as described above, wherein the spray device is installed on the lower side of the rack, and the water supply assembly can supply water to the water supply pipe.

[0026] Beneficial effects of the utility model:

[0027] The spray device provided by the utility model is provided with a main spray arm and a reinforced spray arm, so that the main spray arm can perform a global rinse on all the tableware in the bowl basket, while the reinforced spray arm can perform a reinforced wash on the tableware in a local area, thereby enhancing the washing effect on the tableware with greater dirtiness; at the same time, because the spray component is arranged below the water pipe, when the spray device is used in the dishwasher, the spray component can be located below the bowl basket, so that water flows out from the spray hole of the spray component to enhance the rinse of the tableware, and at the same time, the distance between the spray hole and the tableware can be appropriately increased, thereby avoiding the probability that the spray hole is easily blocked by dirt due to the spray component being inserted into the inside of the tableware or between the tableware, thereby improving the cleaning convenience and long-term use reliability of the reinforced spray arm; furthermore, because there is a certain distance between the spray hole and the tableware, the impact between the water flow falling back from the tableware and the water flow sprayed from the spray hole can be reduced, thereby better ensuring the rinsing effect on the tableware, improving the cleaning effect of the spray device on the tableware, and improving the use experience of the spray device.

[0028] The dishwasher provided by the utility model can enhance the cleaning of local tableware and improve the tableware cleaning effect by adopting the above-mentioned spray device, and can also enhance the long-term use performance of the dishwasher and improve the user experience of the dishwasher. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of a local reinforcement structure and a rotating spray arm provided by the prior art;

[0030] Figure 2 is a top view of the spray device provided by an embodiment of the utility model;

[0031] Figure 3 It is a schematic diagram of the disassembled structure of the spray device provided by the embodiment of the utility model;

[0032] Figure 4 yes Figure 3 A partial enlarged view of point I in the middle;

[0033] Figure 5 yes Figure 3 A partial enlarged view of the J in the middle;

[0034] Figure 6 is a cross-sectional view of a spray device provided by an embodiment of the utility model;

[0035] Figure 7 yes Figure 6 A partial enlarged view of the K in the middle;

[0036] Figure 8 It is a cross-sectional schematic diagram of a spray element provided in an embodiment of the utility model.

[0037] In the figure:

[0038] 100, water supply pipe; 200, rotating joint; 300, rotating spray arm; 400, water distribution joint; 401, first end; 402, second end; 500, spray head; 501, nozzle;

[0039] 1. water pipe; 11. main pipe body; 111. main channel; 12. connecting pipe; 121. branch channel; 13. limiter; 14. water inlet joint;

[0040] 2. Spraying parts; 21. Main shell; 211. Water storage chamber; 2111. Sub-water chamber; 212. Spraying hole; 213. Separation cavity; 214. Water inlet; 22. Separation parts; 231. Side partition ribs; 232. Connecting partition ribs; 23. Mounting sleeve;

[0041] 3. Adapter; 31. Mounting tube; 32. Clamping claw; 321. Elastic arm; 322. Hook; 33. Stopper;

[0042] 4. Connecting piece; 41. Fixing plate portion; 42. Hooking hook portion; 421. Connecting arm portion; 422. Hooking arm portion; 43. Pressing portion. DETAILED DESCRIPTION

[0043] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0044] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0046] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0047] The utility model provides a spray device and a dishwasher using the spray device, so as to improve the cleaning effect of the dishwasher on darker tableware and tableware with a high degree of dirtiness, thereby improving the cleaning effect of the dishwasher and enhancing the user experience of the dishwasher.

[0048] The dishwasher comprises an inner tank, a rack, a water supply assembly and a spray device. The inner tank has a washing cavity, the rack is arranged in the washing cavity and is used to carry tableware; the spray device is installed on the lower side of the rack and is used to spray washing water in a direction toward the rack to rinse the tableware on the rack; the water supply assembly is used to supply water to the spray device.

[0049] In order to improve the tilting effect on the tableware, in this embodiment, the spray device includes a water supply pipe, a main spray arm and a reinforced spray arm. The water supply pipe is connected to the water supply component so that the water supply component supplies water to the water supply pipe; the water supply pipe is connected to the main spray arm, and the main spray arm has a main spray hole facing the bowl basket. Water flows upward from the main spray hole to clean the tableware; the auxiliary spray arm has an upwardly arranged spray hole 212, and the auxiliary spray part is arranged corresponding to the local area of ​​the bowl basket to achieve enhanced washing of the tableware in the local area.

[0050] It is worth noting that the structure of the main spray arm provided in this embodiment and the connection structure between the main spray arm and the water supply pipe can be set with reference to the prior art. This is not the focus of the present utility model and the present utility model does not limit this.

[0051] like Figure 1 , Figure 2 and Figure 5As shown, in this embodiment, the reinforced spray arm includes a water pipe 1 and a spray member 2. The water pipe 1 has a water inlet channel, and the water inlet end of the water inlet channel is connected to the water supply pipe; there are at least two spray members 2 and they are arranged at intervals along the extension direction of the water pipe 1, and the spray member 2 has a water containing cavity 211 inside. The spray member 2 is arranged below the water pipe 1 and has a spray hole 212 with an upward opening, and the spray hole 212 is connected to the water inlet channel fluid through the water containing cavity 211.

[0052] The spray device provided by the utility model is provided with a main spray arm and a reinforced spray arm, so that the main spray arm can perform a global rinse on all the tableware in the bowl basket, while the reinforced spray arm can perform a reinforced wash on the tableware in a local area, thereby enhancing the washing effect on the tableware with greater dirtiness; at the same time, since the spray member 2 is arranged below the water pipe 1, when the spray device is used in the dishwasher, the spray member 2 can be located below the bowl basket, so that water flows out from the spray hole 212 of the spray member 2 to enhance the washing of the tableware, and at the same time, the distance between the spray hole 212 and the tableware can be appropriately increased, thereby avoiding the probability that the spray hole 212 is easily blocked by dirt due to the spray member 2 being inserted into the inside of the tableware or between the tableware, thereby improving the cleaning convenience and long-term use reliability of the reinforced spray arm; furthermore, since there is a certain distance between the spray hole 212 and the tableware, the impact of the water flow falling back from the tableware on the water flow sprayed from the spray hole 212 can be reduced, thereby better ensuring the rinsing effect on the tableware, improving the cleaning effect of the spray device on the tableware, and improving the use experience of the spray device.

[0053] In order to improve the installation convenience of the reinforced spray arm on the shelf, the reinforced spray arm also includes a connecting piece 4, which is connected to the water pipe 1, and the connecting piece 4 is detachably connected to the shelf, so that the reinforced spray arm can be detachably installed on the shelf through the connecting piece 4, which is conducive to arranging the water pipe 1 and the spray element 2 under the shelf, thereby avoiding interference of the arrangement of the reinforced spray arm with the placement of tableware on the shelf.

[0054] In other embodiments, the water pipe 1 may be directly supported on the shelf, for example, the water pipe 1 is directly supported on the criss-cross rod-shaped structures at the bottom of the shelf, and the spray element 2 extends downward from the shelf through the gaps between the rod-shaped structures; or a clamping ring or other mounting structures may be provided at the bottom of the shelf so that the water pipe 1 is installed at the bottom of the shelf through the clamping ring and other mounting structures.

[0055] In order to improve the installation convenience and installation stability of the spray arm on the shelf, the water pipe 1 is provided with at least two connectors 4 at intervals along the length direction. In this embodiment, two connectors 4 are provided, and the connectors 4 are welded to the water pipe 1 to avoid water leakage caused by drilling holes in the water pipe 1. In other embodiments, the connectors 4 and the water pipe 1 can also be connected by snap connection, screw connection or other methods.

[0056] like Figure 2 and Figure 3 As shown, the connector 4 has a hook portion 42, and the hook portion 42 is hooked with the rod-shaped structure on the shelf, so as to further improve the convenience of disassembly and assembly of the spray arm on the shelf. Specifically, the connector 4 includes a fixed plate portion 41, and the fixed plate portion 41 is connected to the water pipe 1. The hook portion 42 is arranged on one side of the fixed plate portion 41, and a hook groove is formed between the hook portion 42 and the fixed plate portion 41. When the hook portion 42 is hooked with the rod-shaped structure, the rod-shaped structure is accommodated in the hook groove. In other embodiments, the connector 4 can also be connected to the shelf by clamping or screwing.

[0057] The hook portion 42 includes a connecting arm portion 421 and a hook arm portion 422. The connecting arm portion 421 is connected between the hook arm portion 422 and the fixed plate portion 41, and the connecting arm portion 421 extends downward. A pressing portion 43 is protruded from one side of the fixed plate portion 41 toward the hook arm portion 422. The height of the pressing portion 43 protruding from the fixed plate portion 41 is less than the minimum spacing between the hook arm portion 422 and the fixed plate portion 41. The pressing portion 43 and the hook arm portion 422 are used to cooperate with the rod-shaped structure on the clamping shelf to improve the stability of the connection between the connecting member 4 and the rod-shaped structure, avoid the shaking of the connecting member 4 relative to the shelf, and ensure the enhanced assembly stability and reliability of the spray arm on the shelf. Preferably, one pressing portion 43 is provided on each of the opposite sides of the hook portion 42.

[0058] To further ensure the matching stability between the connecting member 4 and the rod-like structure, in the present embodiment, the hook arm portion 422 gradually moves away from the fixed plate portion 41 in the direction away from the connecting arm portion 421, so that the distance between the hook arm portion 422 and the pressing portion 43 in the direction perpendicular to the fixed plate portion 41 gradually decreases in the direction toward the connecting arm portion 421, thereby facilitating the insertion of the rod-like structure from bottom to top between the pressing portion 43 and the hook arm portion 422, while the clamping force of the pressing portion 43 and the hook arm portion 422 on the rod-like structure can be increased as the insertion depth of the rod-like structure increases.

[0059] In this embodiment, the hook portions 42 of the two connecting members 4 are respectively located on the sides of the two fixing plate portions 41 that are away from each other, thereby effectively preventing the connecting members 4 from escaping from the shelf along the extension direction of the water pipe 1, further ensuring the installation stability and reliability of the spray arm on the shelf.

[0060] In order to further improve the washing effect of the tableware, in this embodiment, the spray member 2 is rotatably mounted on the water pipe 1 and the extension direction of its rotation axis intersects with the extension direction of the water pipe 1. Each spray hole 212 is tilted relative to the rotation axis of the spray member 2, so that the spray member 2 can be driven to rotate when the water flows out of the spray hole 212. By providing a rotatable spray member 2, the coverage range of the water flow sprayed by a single spray member 2 can be increased, thereby increasing the spray coverage range of the entire enhanced spray arm, and further improving the spray effect. In other embodiments, the spray member 2 can also be fixedly mounted on the water pipe 1.

[0061] like Figures 4 to 6 As shown, in order to improve the installation convenience of the spraying member 2 on the water pipe 1, the water pipe 1 includes a main body 11 and a connecting pipe portion 12 connected to the outer wall of the main body 11. The axial direction of the connecting pipe portion 12 is set at an angle with the axial direction of the main body 11. The connecting pipe portion 12 and the spraying member 2 are set one by one, and the spraying member 2 is rotatably installed on the connecting pipe portion 12, and the spraying member 2 can rotate around the axis of the connecting pipe portion 12. The water inlet channel includes a main channel 111 arranged inside the main body 11 and a branch channel 121 formed in the inner cavity of the connecting pipe portion 12. The branch channel 121 is connected to the main channel 111, and the main channel 111 is connected to the water supply component. Preferably, the main body 11 and the connecting pipe portion 12 are arranged vertically to reduce the probability of the spraying member 2 colliding with the main body 11 when rotating.

[0062] In this embodiment, the water pipe 1 also includes a water inlet connector 14 connected to the water inlet end of the main body 11, and the water inlet connector 14 is connected to the water supply pipe. The outer diameter of the main body 11 is preferably smaller than the outer diameter of the water inlet connector 14, so that the outer diameter of the water inlet connector 14 can be connected to the water supply pipe while reducing the outer diameter of the main body 11, thereby reducing the space occupied by the enhanced spray arm, reducing the interference between the enhanced spray arm and the shelf and the tableware located below it, reducing the space occupied by the enhanced spray arm, and improving the convenience of using the enhanced spray arm. The water inlet connector 14 can be a curved pipe structure or a straight pipe connector, and its specific structure can be set according to the specific connection position of the water supply component and the water pipe 1.

[0063] Preferably, the outer diameter of the main body 11 is 8 mm to 15 mm. This arrangement is conducive to controlling the water flow to the water inlet channel, avoiding the problem of insufficient water supply pressure on the spray arm caused by excessive water flow to the water inlet channel, and ensuring the overall cleaning effect of the dishwasher.

[0064] The water pipe 1 is provided with an adapter component 3, which is arranged one-to-one with the spray part 2. The lower end of the adapter component 3 can be rotatably clamped on the water inlet 214. The adapter component 3 has a water passage, and the water inlet passage, the water passage, the water inlet 214 and the water containing chamber 211 are sequentially connected. This arrangement can realize the convenience of disassembly and assembly of the spray part 2 and the adapter component 3, and can ensure the reliability of the connection between the spray part 2 and the adapter component 3, while the spray part 2 can rotate relative to the adapter component 3, thereby realizing the rotational installation of the spray part 2 relative to the connecting pipe part 12, and the structure is simple and easy to realize.

[0065] In other embodiments, other structures can be used to realize the rotational installation of the spray part 2 relative to the connecting pipe part 12. For example, a rotating sleeve is provided on the spray part 2, and the rotating sleeve is rotatably sleeved with the connecting pipe part 12, and the inner cavity of the rotating sleeve is connected to the water containing cavity 211 and the branch channel 121. A bearing can also be provided between the rotating sleeve and the connecting pipe part 12 to improve the smoothness of the rotation of the spray part 2 relative to the connecting pipe part 12. Furthermore, the adapter component 3 is detachably connected to the connecting pipe part 12, and the adapter component 3 is separately provided and detachably connected to the connecting pipe part 12, so that the water pipe 1 and the adapter component 3 can be processed and produced separately, which improves the processing convenience of the water pipe 1 and the adapter component 3, reduces the processing difficulty, and is conducive to the replacement of the adapter component 3, reducing the overall maintenance and replacement cost of the strengthened spray arm. In other embodiments, the adapter component 3 can be integrally formed or welded with the connecting pipe part 12.

[0066] In this embodiment, the upper end of the adapter component 3 is screwed with the connecting pipe 12 to improve the installation stability of the adapter component 3 on the connecting pipe 12; at the same time, the distance between the spray component 2 and the main pipe 11 can be adjusted by the matching depth of the adapter component 3 and the connecting pipe 12 to avoid the spray component 2 colliding with the main pipe 11, thereby ensuring the reliability and smoothness of the rotation of the spray component 2. In other embodiments, the adapter component 3 and the connecting pipe 12 can be connected by other installation methods such as screws, interference fit, and snap fit.

[0067] In this embodiment, an external thread is provided on the outer wall of the connecting pipe part 12, and the adapter part 3 includes a mounting pipe part 31, and the mounting pipe part 31 has an internal thread hole, which cooperates with the external thread of the connecting pipe part 12, and the inner cavity of the mounting pipe part 31 is a water passage. This arrangement is conducive to reducing the inner diameter of the connecting pipe part 12, thereby facilitating the connection between the connecting pipe part 12 and the main body 11. In other embodiments, the inner wall of the connecting pipe part 12 may be provided with an internal thread, and the outer wall of the mounting pipe part 31 may be provided with an external thread.

[0068] Furthermore, a limiting portion 13 is protruded outwardly from the outer wall of the connecting pipe portion 12, and the limiting portion 13 is located on the upper side of the external thread, and the limiting portion 13 can abut against the end surface of the mounting pipe portion 31 to limit the depth of the screwing fit between the mounting pipe portion 31 and the connecting pipe portion 12, thereby preventing the mounting pipe portion 31 from colliding with the main pipe body 11. In this embodiment, the limiting portion 13 is a convex block structure and a plurality of limiting portions 13 are arranged at intervals along the circumference of the connecting pipe portion 12. In other embodiments, the limiting portion 13 may also be a convex ring structure.

[0069] At least two claws 32 are provided at intervals along the circumference of the connecting pipe portion 12 at the lower end of the adapter component 3. The lower end of the claw 32 has a hook portion 322 protruding away from the rotation axis. The claw 32 is inserted into the water inlet 214, and the hook portion 322 abuts against the inner wall of the water containing cavity 211. By setting the claw 32 to engage with the spray part 2, the plurality of claws 32 can be relatively closed when inserted into the water inlet 214, so that the hook portion 322 is inserted into the spray part 2 through the deformation of the claw 32 to achieve engagement, thereby improving the convenience of disassembly and assembly of the adapter component 3 and the spray part 2.

[0070] Specifically, the claw 32 includes an elastic arm portion 321, the upper end of the elastic arm portion 321 is connected to the mounting tube portion 31, the lower end of the elastic arm portion 321 is provided with the above-mentioned hook portion 322, and the outer surface of the elastic arm portion 321 is preferably flush with the outer surface of the mounting arm portion, thereby ensuring the convenience of the adapter component 3 and the spray part 2. In this embodiment, four claws 32 are evenly spaced along the circumference of the mounting tube portion 31. In other implementations, the number of claws 32 can also be two, three or more.

[0071] A stopper 33 is protruded on the outer wall of the mounting tube portion 31 and is located on the upper side of the claw 32. The stopper 33 can abut against the side of the spray component 2 facing the water pipe 1 to limit the movement of the spray component 2 relative to the adapter component 3 in the direction toward the water pipe 1, thereby preventing the spray component 2 from colliding upwards against the water pipe 1 and improving the installation reliability of the spray component 2.

[0072] like Figure 6 and Figure 7As shown, in order to improve the installation stability of the adapter component 3 and the spray component 2, the spray component 2 includes a main shell 21, the main shell 21 has the above-mentioned water-containing chamber 211, the spray hole 212 and the water inlet 214, and the periphery of the water inlet 214 extends downward with a mounting sleeve 23, the mounting sleeve 23 is spaced apart from the bottom of the water-containing chamber 211, and the lower end of the adapter component 3 is inserted into the mounting sleeve 23 and engaged with the mounting sleeve 23. By providing the mounting sleeve 23, the matching length of the adapter component 3 and the spray component 2 can be increased, and the reliability of the rotational installation of the spray component 2 and the adapter component 3 can be ensured; at the same time, the provision of the mounting sleeve 23 can increase the structural strength and rigidity of the spray component 2 at the water inlet 214, and avoid damage to the spray component 2 at the water inlet 214 due to gravity when the water is injected into the spray component 2. Specifically, in this embodiment, the hook portion 322 abuts against the end surface of the mounting sleeve 23.

[0073] In this embodiment, the main housing 21 is a rotating body, and the axis of the rotating body is the rotation axis, thereby reducing the space required for the spray member 2 to rotate, reducing the floor space of the spray member 2, and facilitating processing. In other embodiments, the spray member 2 may also be a structure in a form thereof, such as an elliptical disk, a long strip, a spherical shape, or other special structures, as long as the water containing cavity 211 and the spray hole 212 can be arranged on the spray member 2.

[0074] Furthermore, the main housing 21 is a disc-shaped structure, and the outer diameter of the disc-shaped structure is greater than its axial length, and the outer diameter of the disc-shaped structure is greater than the diameter of the water pipe 1. By setting the main housing 21 in the disc-shaped structure, it is convenient to open the spray hole 212 on the end surface of the main housing 21, and the convenience of setting the spray hole 212 is improved; at the same time, this arrangement can reduce the size of the spray part 2 in the direction of the rotation axis while ensuring the volume of the water-containing cavity 211, thereby reducing the height of the entire reinforced spray arm and reducing the interference between the reinforced spray arm and the structure below it; furthermore, the main housing 21 with a disc-shaped structure has a simple structure and is convenient for processing.

[0075] In this embodiment, the maximum outer diameter of the spray element 2 is 20 mm to 40 mm, so that the size of a single spray element 2 is small, avoiding interference with the shelf and tableware, and improving the flexibility and convenience of the spray arm. Preferably, the maximum outer diameter of the spray element 2 is 20 mm to 30 mm.

[0076] In this embodiment, each spraying member 2 is provided with a plurality of spray holes 212, and the plurality of spray holes 212 are arranged at intervals around the rotation axis, and the spacing between the plurality of spray holes 212 and the rotation axis is greater than the outer diameter of the water pipe 1. This can better ensure that the water flow sprayed from the plurality of spray holes 212 can at least partially stagger with the water pipe 1, thereby reducing the influence of the water pipe 1 on the water flow sprayed from the spray holes 212.

[0077] Each spray hole 212 has a first end facing the inside of the water containing chamber 211 and a second end facing the water pipe 1, and the second end passes through the outer surface of the spray member 2. From the first end to the second end, the spray hole 212 is inclined clockwise or counterclockwise relative to the main shell 21, and the inclination direction of all the spray holes 212 on each spray member 2 is such that when water flows out of the spray hole 212 under the action of water pressure, the water flow can exert a torque on the spray member 2 to cause it to rotate counterclockwise or clockwise.

[0078] Furthermore, the angle between the axis of the spray hole 212 and the rotation axis of the spray element 2 is greater than 0° and less than 30°, so as to ensure that the spray element 2 can rotate under the action of the water flow while allowing the water flow sprayed from the spray hole 212 to flush the tableware upwardly.

[0079] A partition member 22 is provided inside the spraying member 2, and the water chamber 211 is divided into a plurality of sub-water chambers 2111 by the partition member 22. The plurality of sub-water chambers 2111 are arranged at intervals around the rotation axis, and each sub-water chamber 2111 is provided with a corresponding spray hole 212, and each sub-water chamber 2111 is connected to the water inlet 214 and the corresponding spray hole 212. By providing a plurality of sub-water chambers 2111, it is possible to reduce the flow of water in the spraying member 2 to other places, so that the water flow entering the spraying member 2 can quickly flow to the spray hole 212, reduce the water capacity inside the spraying member 2, and reduce the waste of water resources.

[0080] Furthermore, the spray part 2 has a partition cavity 213 inside, and the partition cavity 213 is separated from the sub-water cavity 2111 and the water inlet 214 by the partition component 22, and the partition cavity 213 and the sub-water cavity 2111 are arranged alternately around the rotation axis. The arrangement of the partition cavity 213 can flexibly divide the cavity inside the main shell 21 while the shape of the main shell 21 is a regular shape, reduce the flow space of the water flow inside the main shell 21, better guide the water flow to flow to the spray hole 212, and improve the processing convenience of the main shell 21 and the spray part 2.

[0081] In this embodiment, the partition component 22 includes two side partition ribs 231 arranged at intervals along the circumference of the spray element 2, the first ends of the two side partition ribs 231 are connected to the inner wall of the main shell 21, and the second ends of the two side partition ribs 231 are connected to a connecting partition rib 232, and the side partition ribs 231, the inner wall of the main shell 21 and the two connecting partition ribs 232 are arranged to form a partition cavity 213. The sub-water cavity 2111 is located between the two side partition ribs 231 of the two partition components 22. In other embodiments, the partition component 22 can also be an arc-shaped structure or other structures as a whole, and the partition component 22 and the inner wall of the main shell 21 are combined to form a partition cavity 213, and the sub-water cavity 2111 is located between the two partition components 22.

[0082] Furthermore, the connecting spacer 232 is spaced apart from the mounting sleeve 23 , and the connecting spacer 232 is preferably an arc-shaped rib plate structure coaxial with the mounting sleeve 23 .

[0083] In this embodiment, each sub-water chamber 2111 is provided with a spray hole 212, which is beneficial to ensure the opening size of the spray hole 212 and the size of the water flow sprayed out of the spray hole 212 when the size of the spray part 2 is small. Three spray holes 212 are arranged at intervals along the circumference of the spray part 2 to reduce the difficulty of processing the spray part 2 and avoid the problem of a small water flow sprayed out of a single spray hole 212.

[0084] In other embodiments, each sub-water chamber 2111 may also be provided with two or more spray holes 212 at intervals along the radial direction of the spray element 2. In other embodiments, two, four or other numbers of spray holes 212 may also be provided. The number of spray holes 212 may be specifically set according to the size of the spray element 2 and the spraying requirements.

[0085] Furthermore, the enhanced spray arm includes a control valve, which is installed on the water pipe 1 and is used to control the on and off of the water inlet channel. The control valve is located upstream of all spray parts 2. By setting the control valve, the water inlet channel can be selectively on and off with the water supply component, so that the user can selectively start the enhanced spray arm to enhance the washing of tableware, save water flow, improve the flexibility of the dishwasher, and improve the user experience. Preferably, the control valve is a solenoid valve, which is communicatively connected to the control module of the dishwasher.

[0086] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A spray device, comprising a main spray arm and a water supply pipe connected to each other, wherein the water supply pipe supplies water to the main spray arm, characterized in that: The spray device further comprises a reinforced spray arm, and the reinforced spray arm comprises: A water pipe (1) having a water inlet channel, wherein the water inlet end of the water inlet channel is connected to the water supply pipe; There are at least two spraying parts (2) which are arranged at intervals along the extension direction of the water pipe (1); the spraying parts (2) have a water containing cavity (211) inside; the spraying parts (2) are arranged below the water pipe (1) and have spraying holes (212) opening upward; the spraying holes (212) are in fluid communication with the water inlet channel through the water containing cavity (211).

2. The spray device according to claim 1, characterized in that: The spraying member (2) is rotatably mounted on the water pipe (1) and the extension direction of its rotation axis intersects with the extension direction of the water pipe (1). Each of the spraying holes (212) is arranged obliquely relative to the rotation axis of the spraying member (2), so that the spraying member (2) can be driven to rotate when water is sprayed from the spraying holes (212).

3. The spray device according to claim 2, characterized in that: The spraying member (2) comprises a main shell (21), the main shell (21) being a rotating body, the axis of the rotating body being the rotating axis, the main shell (21) being rotatably connected to the water pipe (1), and the main shell (21) having the water containing cavity (211) and the spraying hole (212).

4. The spray device according to claim 3, characterized in that: The distance between each of the spray holes (212) and the rotation axis is greater than the outer diameter of the water pipe (1); And / or, the maximum outer diameter of the spray element (2) is 20 mm to 40 mm.

5. The spray device according to claim 2, characterized in that: The water containing chamber (211) has a water inlet (214) connected to the water inlet channel; a partition component (22) is provided inside the spraying member (2); the water containing chamber (211) is divided into a plurality of sub-water chambers (2111) by the partition component (22); the plurality of sub-water chambers (2111) are arranged at intervals around the rotation axis; each of the sub-water chambers (2111) is provided with a corresponding spray hole (212); and each of the sub-water chambers (2111) is connected to the water inlet (214) and the corresponding spray hole (212).

6. The spray device according to claim 5, characterized in that: The spraying element (2) has a partition cavity (213) inside, the partition cavity (213) is separated from the sub-water cavity (2111) and the water inlet (214) by the partition component (22), and the partition cavity (213) and the sub-water cavity (2111) are arranged alternately around the rotation axis.

7. The spray device according to any one of claims 1 to 6, characterized in that: Each of the spraying parts (2) has a disc-shaped structure, has at least two spraying holes (212) and are both opened on the top of the spraying part (2), and each of the spraying holes (212) is arranged at intervals in the circumferential direction of the spraying part (2).

8. The spray device according to any one of claims 2 to 6, characterized in that: The water pipe (1) comprises a main body (11) and a connecting pipe portion (12); the extension direction of the main body (11) and the extension direction of the connecting pipe portion (12) are arranged at an angle; the water inlet channel comprises a main channel (111) located inside the main body (11) and a branch channel (121) located inside the connecting pipe portion (12); the branch channel (121) is communicated with the main channel (111); the connecting pipe portion (12) and the spray element (2) are arranged in a one-to-one correspondence; the spray element (2) is rotatably mounted on the connecting pipe portion (12); and the water containing cavity (211) is communicated with the branch channel (121); And / or, the water pipe (1) is provided with a transfer component (3), the transfer component (3) is arranged in a one-to-one correspondence with the spray component (2), the spray component (2) is provided with a water inlet (214), the lower end of the transfer component (3) can be rotatably clamped on the water inlet (214), the transfer component (3) has a water passage, and the water inlet channel, the water passage, the water inlet (214) and the water containing chamber (211) are connected in sequence.

9. The spray device according to claim 8, characterized in that: The upper end of the adapter component (3) is screw-connected with the connecting pipe portion (12); And / or, the lower end of the adapter component (3) is provided with at least two claws (32) at intervals along the circumference of the connecting pipe portion (12), the lower end of the claw (32) has a hook portion (322) protruding away from the rotation axis, the claw (32) is inserted into the water inlet (214), and the hook portion (322) abuts against the inner wall of the water containing cavity (211).

10. The spray device according to any one of claims 1 to 6, characterized in that: The water pipe (1) is provided with a connecting piece (4), the connecting piece (4) having a hook portion (42), and the hook portion (42) is used to be hooked with the rod-shaped structure of the shelf; And / or, the spray device comprises a control valve, the control valve is installed on the water pipe (1) and is used to control the on-off of the water inlet channel, and the control valve is located upstream of all the spray elements (2).

11. A dishwasher, comprising a water supply assembly, an inner tank and a rack disposed in the inner tank, characterized in that: It also includes a spray device as described in any one of claims 1 to 10, wherein the spray device is installed on the lower side of the shelf, and the water supply assembly can supply water to the water supply pipe.

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