Dishwasher and spray arm assembly

Abstract

The present invention relates to a dishwasher and a spray arm assembly, wherein the dishwasher includes a body, a disinfection lamp and a reflector. The disinfection lamp and the reflector are both arranged in the body. The disinfection lamp is used to emit disinfection light, and at least a portion of the reflector is located within the range covered by the disinfection light emitted by the disinfection lamp, and is used to reflect the disinfection light. In the above-mentioned dishwasher, when disinfecting with the disinfection lamp, part of the disinfection light emitted by the disinfection lamp is irradiated on the reflector and reflected by the reflector at different angles. For tableware in the body, the disinfection light directly emitted by the disinfection lamp and the disinfection light reflected by the reflector can irradiate the tableware from different sides and at different angles. Therefore, the shadow areas and dead angles that cannot be illuminated by the disinfection light are greatly reduced, and more sufficient coverage of the disinfection of the tableware is achieved, thereby improving the disinfection efficiency of the dishwasher.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, in particular to a dishwasher and a spray arm assembly. Background Art

[0002] As people's living conditions improve, dishwashers have gradually entered ordinary households, freeing our hands and improving our quality of life. There are already many dishwashers equipped with UV lamps on the market, which can, to a certain extent, play the role of ultraviolet disinfection on tableware.

[0003] Most of the UV lamps in existing dishwashers are installed on the top of the dishwasher. However, since the tableware used by users are of different sizes and shapes, the ultraviolet rays emitted from the top UV lamp are easily blocked by some tableware. This causes some areas to be blocked and unable to be irradiated, forming many shadows and dead corners, making it impossible to fully disinfect all the tableware in the dishwasher. Summary of the Invention

[0004] Based on this, it is necessary to provide a dishwasher and spray arm assembly that can reduce shadows and dead corners caused by disinfection light to address the above problems.

[0005] A dishwasher, comprising:

[0006] body; and

[0007] The disinfecting light and the reflective element are both arranged in the body;

[0008] The disinfecting lamp is used to emit disinfecting light, and at least a portion of the reflective element is located within the range covered by the disinfecting light emitted by the disinfecting lamp, and is used to reflect the disinfecting light.

[0009] When the dishwasher uses the disinfection lamp to disinfect, part of the disinfection light from the lamp strikes the reflector and is reflected at different angles. For the tableware inside the dishwasher, the disinfection light directly emitted by the disinfection lamp and the light reflected by the reflector can illuminate the tableware from different sides and at different angles. As a result, shadow areas and blind spots that are not illuminated by the disinfection light are greatly reduced, achieving more complete coverage of the tableware, avoiding the problem of incomplete disinfection, and improving the dishwasher's disinfection efficiency.

[0010] In one embodiment, the dishwasher further comprises a rotating member, which is installed in the body and can rotate relative to the body;

[0011] One of the disinfecting lamp and the reflecting member is arranged on the rotating member, and the other is arranged in the body and spaced apart from the rotating member.

[0012] In one embodiment, the rotating member is a spray arm mechanism, which includes a spray arm body and a rotating shaft. The spray arm body is connected to the rotating shaft and rotates through the rotating shaft.

[0013] In one embodiment, the reflective element is provided on the spray arm body.

[0014] In one embodiment, the reflective element is composed of an adhesion layer adhered to the spray arm body and reflective particles dispersed in the adhesion layer.

[0015] In one embodiment, the adhesion layer is a resin layer, and the reflective particles are glass beads.

[0016] In one embodiment, the reflective element is reflective particles that are injection-molded and dispersed on the spray arm body.

[0017] In one embodiment, the disinfecting lamp is arranged opposite to the reflective element.

[0018] A spray arm assembly is used in a dishwasher, the dishwasher including a disinfecting lamp, the spray arm assembly including a spray arm mechanism that can rotate relative to the dishwasher body and a reflector provided on the spray arm mechanism; wherein the disinfecting lamp is used to emit disinfecting light, and at least a portion of the reflector is located within the range covered by the disinfecting light emitted by the disinfecting lamp, and is used to reflect the disinfecting light.

[0019] In one embodiment, the spray arm mechanism includes a spray arm body and a rotating shaft, the spray arm body is connected to the rotating shaft and can rotate around the rotating shaft, and the reflective element is provided on the spray arm body.

[0020] In one embodiment, the reflective element is composed of an adhesion layer adhered to the spray arm mechanism and reflective particles dispersed in the adhesion layer.

[0021] In one embodiment, the reflective element is reflective particles that are injection-molded and dispersed within the spray arm mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0023] Figure 1 FIG. 1 is a schematic cross-sectional view of a dishwasher according to an embodiment of the present invention.

[0024] Explanation of the accompanying reference numerals: 100, dishwasher; 10, machine body; 30, disinfection lamp; 50, reflector; 71, spray arm mechanism; 711, spray arm body; 7111, water spray hole; 713, rotating shaft; Q, cleaning chamber. DETAILED DESCRIPTION

[0025] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0028] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0029] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0030] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0031] See Figure 1 An embodiment of the present invention provides a dishwasher 100, comprising a body 10, a disinfection light 30, and a reflector 50. The disinfection light 30 and the reflector 50 are both disposed within the body 10. The disinfection light 30 is configured to emit disinfection light, and at least a portion of the reflector 50 is located within the range covered by the disinfection light emitted by the disinfection light 30, and is configured to reflect the disinfection light.

[0032] In order to realize the normal function of the dishwasher 100, the body 10 may have a cleaning cavity Q for accommodating tableware for cleaning, and the disinfection lamp 30 and the reflector 50 are located in the cleaning cavity Q. In addition, the dishwasher 100 may also include conventional pipelines, a drive motor, and a door connected to the cleaning cavity Q, etc., which will not be repeated here.

[0033] The disinfection lamp 30 is a device capable of emitting disinfection light, which refers to electromagnetic waves that can eliminate or inhibit microorganisms such as viruses and bacteria. In this embodiment, the disinfection light is ultraviolet light, and accordingly, the disinfection lamp 30 is a UV (Ultraviolet) lamp. In other embodiments, the disinfection light can also be infrared light, microwaves, etc. The reflector 50 is used to reflect the disinfection light. It is understood that the reflector 50 is located on a different side of the body 10 than the disinfection lamp 30. The disinfection light emitted by the disinfection lamp 30 should at least partially illuminate the reflector 50 and be reflected by it.

[0034] When the dishwasher 100 uses the disinfection light 30 to disinfect, the disinfection light emitted by the disinfection light 30 partially impinges on the reflector 50 and is reflected by the reflector 50 at different angles. For the tableware within the washing chamber Q of the dishwasher 10, the disinfection light directly emitted by the disinfection light 30 and the disinfection light reflected by the reflector 50 can illuminate the tableware from different sides and at different angles. As a result, shadow areas and blind spots that are not illuminated by the disinfection light are greatly reduced, achieving more comprehensive disinfection coverage for the tableware and improving the disinfection efficiency of the dishwasher 100.

[0035] Furthermore, the disinfecting lamp 30 is arranged opposite to the reflective element 50 .

[0036] The disinfection lamp 30 is facing the reflector 50. The disinfection light emitted by the disinfection lamp 30 can better form a reflective relationship with the reflector 50, fully reflecting the disinfection light, and irradiating the tableware in the cleaning cavity Q of the body 10 on two opposite sides, respectively, so as to achieve a better illumination effect and help eliminate shadows and blind spots of illumination.

[0037] It can be understood that in some other embodiments, under the premise that the disinfecting light emitted by the disinfecting lamp 30 should at least partially illuminate the reflective member 50, the positional relationship between the disinfecting lamp 30 and the reflective member 50 can also be adaptively adjusted. For example, the disinfecting lamp 30 and the reflective member 50 are arranged on two adjacent sides, etc. Generally speaking, as long as the disinfecting lamp 30 and the reflective member 50 are not arranged on the same side so that the disinfecting light emitted by the disinfecting lamp 30 cannot effectively illuminate the reflective member 50, no specific limitation is made here.

[0038] In some embodiments, the dishwasher 100 further includes a rotating member (the spray arm mechanism 71 described below is the rotating member), which is mounted within the dishwasher body 10 and is rotatable relative to the dishwasher body 10. One of the disinfection lamp 30 and the reflector 50 is disposed on the rotating member, while the other is disposed within the dishwasher body 10 and spaced apart from the rotating member.

[0039] One of the disinfecting lamp 30 and the reflector 50 disposed on the rotating member together with the rotating member constitutes a rotating assembly and rotates together, and the other is disposed on the other side of the body 10 spaced apart from the former.

[0040] One of the disinfection light 30 and the reflector 50 is mounted on the rotating member and rotates with it, while the other is mounted on a different side of the dishwasher body 10. As a result, during operation of the dishwasher 100, the disinfection light 30 and the reflector 50 rotate relative to each other under the action of the rotating member. During this rotation, the emitted and / or reflected disinfection light continuously changes its angle and position relative to the tableware, greatly enriching the disinfection light's illumination angle and range, fully illuminating the tableware and avoiding incomplete disinfection caused by blind spots or shadows.

[0041] Furthermore, the rotating member is a spray arm mechanism 71 , which includes a spray arm body 711 and a rotating shaft 713 . The spray arm body 711 is connected to the rotating shaft 713 and rotates through the rotating shaft 713 .

[0042] The spray arm mechanism 71 is the component that performs the spraying operation in the dishwasher 100. It rotates continuously during the dishwasher 100's cleaning operation to ensure a thorough cleaning of the dishes. The spray arm body 711 is symmetrical about a rotating shaft 713 and rotates about the axis of the rotating shaft 713, which is located on the dishwasher body 10. As will be understood, the spray arm body 711 has a conventional spray hole 7111 for spraying.

[0043] The spray arm mechanism 71 in the dishwasher 100, which rotates during operation, is directly used as a rotating part, eliminating the need for introducing new rotating parts. The disinfection lamp 30 or the reflector 50 can rotate with the spray arm mechanism 71 during the spray washing process of the dishes to perform the disinfection operation.

[0044] It is understood that the spray arm body 711 can be, but is not limited to, a straight arm or a curved arm, and can also include multiple sub-arms, each of which has one end connected to the rotating shaft 713 and the other end extending away from the rotating shaft 713, and each sub-arm is provided with a reflector 50 or a disinfection light 30. In other embodiments, the spray arm body 711 can also be disc-shaped, etc., which is not specifically limited here.

[0045] Furthermore, the reflective element 50 is disposed on the spray arm body 711 .

[0046] The reflector 50 rotates along with the spray arm body 711, while the disinfection lamp 30 is located on the other side of the housing 10, separate from the reflector 50 and the spray arm body 711. The disinfection light emitted by the disinfection lamp 30 hits the reflector 50 and is reflected, illuminating the tableware from two different sides. When the spray arm mechanism 71 sprays, the reflector 50 rotates along with it. During this rotation, the disinfection light reflected by the reflector 50 continuously changes angle and position relative to the tableware, achieving the purpose of fully covering the tableware. Typically, the spray arm mechanism 71 is located at the bottom of the cleaning chamber Q, and the disinfection lamp 30 is correspondingly located at the top of the cleaning chamber Q.

[0047] In the first embodiment, the reflective element 50 is composed of an adhesive layer attached to the spray arm body 711 and reflective particles (not shown) dispersed in the adhesive layer.

[0048] The reflective element 50 should not hinder the spray arm body 711 from performing its original function, such as blocking the water spray hole 7111. The reflective particles are optical particles that can refract the disinfection light. It is understood that a large number of reflective particles are evenly dispersed in the attachment layer so that the reflective element 50 can fully reflect the disinfection light. When the disinfection light strikes the reflective element 50, it is fully reflected and dispersed by the reflective particles.

[0049] In one embodiment, the reflector 50 is in the form of a film and is attached to the surface of the spray arm body 711 facing the disinfection lamp 30. The reflector 50 attached to the surface of the spray arm body 711 facing the disinfection lamp 30 can fully reflect the disinfection light. At the same time, the film-shaped reflector 50 is easy to attach and takes up little space, so it will not affect the normal operation of the spray arm body 711.

[0050] Furthermore, the attachment layer is a resin layer, and the reflective particles are glass beads.

[0051] The resin layer is a single layer, and the glass beads are evenly arranged and embedded in the resin layer. The diameter of the glass beads is less than 0.1mm, and specifically 0.01mm to 0.06mm, which is about half the diameter of a hair, and is made of optical glass with a high refractive index.

[0052] The resin is highly plastic in its softened state and can adapt to various surfaces, fully adhering to the surface of the spray arm body 711 and accommodating reflective particles such as glass beads. The glass beads can enhance the reflective and divergent effect of the reflective element 50 on the disinfection light.

[0053] In the second embodiment, the reflective element 50 is reflective particles that are injection-molded and dispersed on the spray arm body 711 .

[0054] The reflective element 50 is directly injected into the spray arm body 711 at the beginning of its manufacture. It can be understood that in order to allow the disinfection light to reach the reflective element 50 and be reflected, the spray arm body 711 is preferably made of a transparent material.

[0055] By directly injecting the reflective particles into the spray arm body 711, the manufacturing process can be simplified. The spray arm body 711 obtained by demolding naturally has the reflective element 50, and there is no need for additional operation to attach the reflective element 50. In addition, integrating the reflective element 50 with the spray arm body 711 can reduce the number of parts of the dishwasher 100 and reduce the assembly complexity.

[0056] The reflective particles may be as described in the first embodiment, which will not be described in detail here.

[0057] The dishwasher 100 is equipped with a UV lamp at the top of the cleaning chamber Q of the body 10, a spray arm mechanism 71 at the bottom, and a reflector 50 on the spray arm mechanism 71. When the dishwasher 100 is in operation, the UV lamp emits ultraviolet light to perform disinfection work, and the spray arm mechanism 71 continuously rotates to spray and clean the tableware, and the reflector 50 located on the spray arm mechanism 71 rotates accordingly. The ultraviolet light irradiated by the reflector 50 is reflected and dispersed by the glass beads, and the angle and position of the reflected ultraviolet light continuously change with the rotation of the spray arm mechanism 71. Therefore, the shadow areas and blind spots where the ultraviolet light cannot reach are greatly reduced, achieving full coverage of the tableware disinfection. This avoids the problem of incomplete virus disinfection caused by the different sizes and shapes of the tableware used by the user, which causes some of the tableware to block the propagation path of the ultraviolet light. This improves the disinfection efficiency of the dishwasher 100.

[0058] In another aspect, the present invention further provides a spray arm assembly for use in a dishwasher 100. The dishwasher 100 includes a housing 10, and the spray arm assembly is mounted within the housing 10 and is rotatable relative to the housing 10. The dishwasher 100 also includes a disinfection lamp 30. The spray arm assembly includes a spray arm mechanism 71 that is rotatable relative to the housing 10 and a reflector 50 disposed on the spray arm mechanism 71. The disinfection lamp 30 is configured to emit disinfection light, and at least a portion of the reflector 50 is located within the range covered by the disinfection light emitted by the disinfection lamp 30, thereby reflecting the disinfection light.

[0059] In this embodiment, the dishwasher 100 may be the dishwasher 100 described in any of the above embodiments, and the spray arm assembly is the above-mentioned rotating assembly.

[0060] The spray arm assembly described above includes a reflector 50 and is used in a dishwasher 100 equipped with a disinfectant lamp 30. Thus, during operation of the dishwasher 100, the disinfectant light emitted by the disinfectant lamp 30 partially strikes the reflector 50 and is reflected at different angles by the reflector 50. For tableware within the washing chamber Q of the dishwasher 10, the disinfectant light directly emitted by the disinfectant lamp 30 and the disinfectant light reflected by the reflector 50 can illuminate the tableware from different sides and at different angles. Furthermore, the reflector 50 is mounted on the spray arm mechanism 71, while the disinfectant lamp 30 is located on a side of the dishwasher 10 that is separate from the reflector 50 and the spray arm mechanism 71. When the spray arm mechanism 71 rotates and sprays, the disinfectant lamp 30 and the reflector 50 rotate relative to each other. During this rotation, the disinfectant light reflected by the reflector 50 continuously changes its angle and position relative to the tableware, significantly increasing the disinfectant light's illumination angle and range. Therefore, the shadow areas and dead corners that cannot be illuminated by the disinfection light are greatly reduced, achieving full coverage of the tableware disinfection, avoiding the problem that part of the tableware used by users blocks the propagation path of ultraviolet rays due to the different sizes and shapes of the tableware, resulting in incomplete disinfection of viruses, and improving the disinfection efficiency of the dishwasher 100.

[0061] In addition, the most common way is to install a disinfection lamp 30 in the dishwasher 100. The reflector 50 is set on the spray arm body 711 to form a spray arm assembly. The dishwasher 100 that originally only has a disinfection lamp 30 can enhance the disinfection performance by installing or replacing the spray arm assembly.

[0062] Furthermore, the spray arm mechanism 71 includes a spray arm body 711 and a rotating shaft 713 . The spray arm body 711 is connected to the rotating shaft 713 and can rotate around the rotating shaft 713 . The reflector 50 is disposed on the spray arm body 711 .

[0063] Typically, the spray arm mechanism 71 is disposed at the bottom of the cleaning chamber Q, and the disinfection lamp 30 is correspondingly disposed at the top of the cleaning chamber Q.

[0064] In the third embodiment, the reflective element 50 is composed of an adhesive layer attached to the spray arm body 711 and reflective particles dispersed in the adhesive layer.

[0065] The reflective element 50 should not hinder the spray arm body 711 from performing its original function, such as blocking the water spray hole 7111. The reflective particles are optical particles that can refract the disinfection light. It is understood that a large number of reflective particles are evenly dispersed in the attachment layer so that the reflective element 50 can fully reflect the disinfection light. When the disinfection light strikes the reflective element 50, it is fully reflected and dispersed by the reflective particles.

[0066] In one embodiment, the reflector 50 is in the form of a film and is attached to the surface of the spray arm body 711 facing the disinfection lamp 30. The reflector 50 attached to the surface of the spray arm body 711 facing the disinfection lamp 30 can fully reflect the disinfection light. At the same time, the film-shaped reflector 50 is easy to attach and takes up little space, so it will not affect the normal operation of the spray arm body 711.

[0067] Furthermore, the attachment layer is a resin layer, and the reflective particles are glass beads.

[0068] The resin layer is a single layer, and the glass beads are evenly arranged and embedded in the resin layer. The diameter of the glass beads is less than 0.1mm, and specifically 0.01mm to 0.06mm, which is about half the diameter of a hair, and is made of optical glass with a high refractive index.

[0069] The resin is highly plastic in its softened state and can adapt to various surfaces, fully adhering to the surface of the spray arm body 711 and accommodating reflective particles such as glass beads. The glass beads can enhance the reflective and divergent effect of the reflective element 50 on the disinfection light.

[0070] In the fourth embodiment, the reflective element 50 is reflective particles that are injection-molded and dispersed within the spray arm body 711 .

[0071] The reflective element 50 is directly injected into the spray arm body 711 at the beginning of its manufacture. It can be understood that in order to allow the disinfection light to reach the reflective element 50 and be reflected, the spray arm body 711 is preferably made of a transparent material.

[0072] By directly injecting the reflective particles into the spray arm body 711, the manufacturing process can be simplified. The spray arm body 711 obtained by demolding naturally has the reflective element 50, and there is no need for additional operation to attach the reflective element 50. In addition, integrating the reflective element 50 with the spray arm body 711 can reduce the number of parts of the dishwasher 100 and reduce the assembly complexity.

[0073] The reflective particles may be as described in the third embodiment, which will not be described again here.

[0074] In addition, the spray arm mechanism 71 may also have the features described in any of the above embodiments, which will not be repeated here.

[0075] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0076] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A dishwasher (100), characterized in that: include: A body (10) having a cleaning chamber (Q) for accommodating tableware for cleaning; and A disinfection lamp (30) and a reflective element (50), both of which are arranged in the body (10) and located in the cleaning chamber (Q); The disinfecting lamp (30) is used to emit disinfecting light, and at least a portion of the reflective member (50) is located within a range covered by the disinfecting light emitted by the disinfecting lamp (30) and is used to reflect the disinfecting light; the dishwasher (100) further comprises a rotating member, which is installed in the machine body (10) and can rotate relative to the machine body (10); One of the disinfecting lamp (30) and the reflecting member (50) is arranged on the rotating member, and the other is arranged in the body (10) and spaced apart from the rotating member, so that the disinfecting lamp (30) and the reflecting member (50) rotate relative to each other during the rotation of the rotating member, and the angle and position of the emitted and / or reflected disinfecting light are continuously changed; The rotating member is a spray arm mechanism (71), and the spray arm mechanism (71) comprises a spray arm body (711) and a rotating shaft (713). The spray arm body (711) is connected to the rotating shaft (713) and rotates through the rotating shaft (713).

2. The dishwasher (100) according to claim 1, characterized in that The reflective element (50) is provided on the spray arm body (711).

3. The dishwasher (100) according to claim 2, characterized in that The reflective element (50) is composed of an attachment layer attached to the spray arm body (711) and reflective particles dispersed in the attachment layer.

4. The dishwasher (100) according to claim 3, characterized in that The attachment layer is a resin layer, and the reflective particles are glass beads.

5. The dishwasher (100) according to claim 2, characterized in that The reflective element (50) is reflective particles that are injection-molded and dispersed on the spray arm body (711).

6. The dishwasher (100) according to any one of claims 1 to 5, characterized in that: The disinfecting lamp (30) is arranged opposite to the reflective element (50).

7. A spray arm assembly for a dishwasher (100), characterized in that: The dishwasher (100) comprises a machine body (10) and a disinfecting light (30), the spray arm assembly comprising a spray arm mechanism (71) disposed in the machine body (10) and rotatable relative to the machine body (10), and a reflector (50) disposed on the spray arm mechanism (71); wherein the disinfecting light (30) is used to emit disinfecting light, and at least a portion of the reflector (50) is located within a range covered by the disinfecting light emitted by the disinfecting light (30) and is used to reflect the disinfecting light; The spray arm mechanism (71) comprises a spray arm body (711) and a rotating shaft (713). The spray arm body (711) is connected to the rotating shaft (713) and can rotate around the rotating shaft (713). The reflective element (50) is provided on the spray arm body (711).

8. The spray arm assembly according to claim 7, wherein: The reflective element (50) is composed of an attachment layer attached to the spray arm body (711) and reflective particles dispersed in the attachment layer.

9. The spray arm assembly according to claim 7, wherein: The reflective element (50) is reflective particles that are injection-molded and dispersed on the spray arm body (711).

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