Dishwasher-specific spray arm arrangement

Abstract

Dishwasher-specific rinse arm arrangement, comprising a rinse arm base (1), a main rinse arm (2), a middle rinse arm (3) and a side rinse arm (4), wherein the main rinse arm (2), in the middle of which on the top side a first water outlet (5) is formed, and at the left and right ends of which a second water outlet is formed, is articulated to the rinse arm base (1), wherein the middle rinse arm (3) is articulated to the first water outlet (5) and the first water outlet is continuously connected to the internal water line of the middle rinse arm, wherein the second water outlet is articulated to the side rinse arm (4) or is continuously connected to the internal water line of the side rinse arm, wherein the side rinse arm remains pivotable relative to the main rinse arm (2).

Description

Technical area

[0001] The utility model relates to a dishwasher-specific rinsing arm arrangement. State of the art

[0002] A dishwasher is used to automatically clean tableware such as plates, cups, and cutlery. Experience has shown that not all items of crockery can be completely cleaned due to the different placement of individual items, the varying difficulty of cleaning different items, and / or potentially occurring spray dead angles. To solve this problem, some dishwasher manufacturers have attempted to set longer operating times for the dishwashers in order to rectify the shortcomings related to incomplete cleaning. However, this results in excessively long cleaning times and therefore increased water consumption. It is also known that the incomplete cleaning problem can be remedied by installing additional spray arms in other locations in the dishwasher cabinet. This is, however, associated with high costs.

[0003] In this context, further improvement is to be provided. Content of the utility model

[0004] The purpose of the utility model is to provide a dishwasher-specific rinsing arm arrangement whose rinsing arms have larger spray ranges and therefore considerably facilitate the complete cleaning of the dishes.

[0005] To achieve the object, the dishwasher-specific rinse arm arrangement comprises a rinse arm base, a main rinse arm, a middle rinse arm and a side rinse arm, wherein the main rinse arm, in the middle of which on the top side a first water outlet is formed, and at the left and right ends of which a second water outlet is formed, is articulated to the rinse arm base, wherein the middle rinse arm is articulated to the first water outlet and the first water outlet is continuously connected to the internal water line of the middle rinse arm, wherein the second water outlet is articulated to the side rinse arm or is continuously connected to the internal water line of the side rinse arm, wherein the side rinse arm remains pivotable relative to the main rinse arm.

[0006] In a specific embodiment, a fixed gear is inserted into the flush arm base, wherein a drive mechanism is provided between the side flush arm and the main flush arm, which drive mechanism comprises a drive element and a movable gear, wherein the drive element is slidably connected to the main flush arm and is further formed with an oblique groove and a shallow groove, wherein the side flush arm is provided with a first projection engageable in the oblique groove, wherein the movable gear is pivotally connected to the main flush arm and can engage in the fixed gear, wherein the movable gear is provided with an eccentric second projection engageable in the shallow groove, wherein the drive element performs a linear reciprocating movement upon rotation of the movable gear in conjunction with the interaction of the second projection with the shallow groove,while the side flush arm exerts a reciprocating movement relative to the main flush arm when the first projection interacts with the oblique groove.

[0007] In a certain embodiment, an end position is provided on the underside of the drive element, which is firmly connected to the main flush arm in order to prevent any possible detachment of the drive element, wherein the drive element is designed with a stop sliding groove and the end position is accordingly provided with a positioning carriage.

[0008] In certain embodiments, the second water outlet is provided with a nozzle, while the side flush arm is designed with an inlet for receiving the nozzle.

[0009] In certain designs, at least one sealing ring is inserted into the nozzle.

[0010] In a certain embodiment, the outer circumference of the first water outlet is formed with steps, while the central flush arm is provided with a water inlet adjoining the first water outlet, in the circumference of which a plurality of spring snap hooks are formed which can be snapped into the steps.

[0011] In certain embodiments, a vertical spray hole and / or an inclined spray hole are formed in the upper sides of the central flush arm and the side flush arm.

[0012] Compared to the prior art, the present utility model has the following advantages: The rinse arm arrangement according to the invention comprises a center rinse arm and a side rinse arm, wherein the center rinse arm can rotate relative to the main rinse arm and can pivot back and forth relative to the main rinse arm, so that the spray circumference of the main rinse arm is increased during the rotation operation of the main rinse arm in order to eliminate the spray dead angles due to untidy placement of the dishes. Illustration of the attached drawings Fig. 1 shows a view of the rinse arm arrangement according to the invention; Fig. 2 shows a view of the center flush arm and the side flush arm before assembly according to the flush arm arrangement according to the invention; Fig. 3 shows a view from a different angle with reference to Fig. 2 outgoing view. Specific embodiment

[0013] The utility model is described in detail below using the following exemplary embodiments and drawings. It should be noted that the preferred embodiments do not limit the scope of protection of the utility model, but serve only to explain the utility model.

[0014] With reference to Fig. 1 to Fig.3, the flush arm assembly according to the invention comprises a flush arm base 1, a main flush arm 2, a middle flush arm 3, and a side flush arm 4. The main flush arm 2, in the center of which a first water outlet 5 is formed on its top side, and a second water outlet is formed at each of the left and right ends, is articulated to the flush arm base 1. The middle flush arm 3 is articulated to the first water outlet 5, and the first water outlet is continuously connected to the internal water line of the middle flush arm. When the water flows from the main flush arm into the middle flush arm, the middle flush arm rotates relative to the main flush arm 2 under the water pressure and the onrush. In addition, the second water outlet is articulated to the side flush arm 4, or continuously connected to the internal water line of the side flush arm, whereby the side flush arm remains pivotable relative to the main flush arm 2.When the water flows from the main wash arm into the side wash arm, the side wash arm can rotate relative to the main wash arm under the water pressure and rush, so that the spray range of the wash arms is increased to solve the spray dead angles due to untidy placement of the tableware.

[0015] A fixed gear 6 is inserted into the rinse arm base 1. Between the side rinse arm and the main rinse arm, a drive mechanism is provided, which comprises a drive element 7 and a movable gear 8, wherein the drive element 7 is slidably connected to the main rinse arm and is also formed with an inclined groove 9 and a shallow groove 10. The side rinse arm 4 is provided with a first projection 11 that can engage in the inclined groove. The movable gear 8 is articulated to the main rinse arm 2 and can engage with the fixed gear. The movable gear is provided with an eccentric second projection 12 that can engage in the shallow groove.The drive element 7 performs a linear reciprocating movement upon rotation of the movable gear 8 in conjunction with the interaction of the second projection 12 with the flat groove 10, while the side flush arm 4 performs a reciprocating movement relative to the main flush arm 2 upon interaction of the first projection 11 with the oblique groove 9. When water flows into the main flush arm, the main flush arm rotates under the action of water pressure, and the movable gear is driven to rotate because the movable gear meshes with the fixed gear. The drive element is pushed forward by the second projection when the second projection on the movable gear rotates from the initial position to a 180° position, and retracted by the second projection when the second projection rotates from the 180° position to a 360° position.The back and forth pivoting of the middle flush arm relative to the main flush arm is achieved by the first projection pivoting back and forth between the two ends of the inclined groove while the drive element moves back and forth.

[0016] On the underside of the drive element 7, an end stop 13 is provided, which is firmly connected to the main flush arm 2 to prevent any possible detachment of the drive element. The drive element is designed with a stop slide groove 14, and the end stop is accordingly provided with a positioning slide 15. The end stop is firmly screwed to the main flush arm and can secure the linear reciprocating movement of the drive element when the stop slide groove interacts with the positioning slide.

[0017] The second water outlet is provided with a nozzle 16, while the side flush arm 4 is formed with an inlet 17 for receiving the nozzle, wherein at least one sealing ring is inserted on the nozzle 16 to ensure sealing.

[0018] The first water outlet 5 is formed with steps 18, while the intermediate flush arm 3 is provided with a water inlet 19 connected to the first water outlet, around which a plurality of spring-loaded snap hooks 20 are formed that can be snapped into the steps. The spring-loaded snap hooks snap into the steps to attach the intermediate flush arm to the main flush arm, but without impeding the rotation of the intermediate flush arm.

[0019] A vertical spray hole 21 and / or an inclined spray hole 22 are formed in the upper sides of the central rinse arm 3 and the side rinse arm 4. By arranging the spray holes in different directions and angles, all dishes are rinsed and cleaned more effectively.

[0020] The utility model is not limited to the exemplary embodiments, but can be varied in many ways within the scope of the disclosure. In this context, all new individual and combined features disclosed in the description and / or drawings are considered essential to the invention.

[0021] The utility model relates to a dishwasher-specific rinse arm arrangement, comprising a rinse arm base, a main rinse arm, a middle rinse arm and a side rinse arm, wherein the main rinse arm, in the middle of which on the top side a first water outlet is formed, and at the left and right ends of which a second water outlet is formed, is articulated to the rinse arm base, wherein the middle rinse arm is articulated to the first water outlet and the first water outlet is continuously connected to the internal water line of the middle rinse arm, wherein the second water outlet is articulated to the side rinse arm or is continuously connected to the internal water line of the side rinse arm, wherein the side rinse arm remains pivotable relative to the main rinse arm.In such a configuration, the rinse arm assembly comprises a center rinse arm and a side rinse arm, wherein the center rinse arm can pivot relative to the main rinse arm so that the spray circumference of the main rinse arm is increased during the rotational operation of the main rinse arm in order to eliminate the spray dead angles due to untidy placement of the tableware.

Claims

[1] Dishwasher-specific rinse arm arrangement, comprising a rinse arm base (1), a main rinse arm (2), a middle rinse arm (3) and a side rinse arm (4), wherein the main rinse arm (2), in the middle of which on the top side a first water outlet (5) is formed, and at the left and right ends of which a second water outlet is formed, is articulated to the rinse arm base (1), wherein the middle rinse arm (3) is articulated to the first water outlet (5) and the first water outlet is continuously connected to the internal water line of the middle rinse arm, wherein the second water outlet is articulated to the side rinse arm (4) or is continuously connected to the internal water line of the side rinse arm, wherein the side rinse arm remains pivotable relative to the main rinse arm (2). [2] Dishwasher-specific rinse arm arrangement according to claim 1, characterized bythat a fixed gear (6) is inserted into the flush arm base (1), wherein a drive mechanism is provided between the side flush arm and the main flush arm, which drive mechanism comprises a drive element (7) and a movable gear (8), wherein the drive element (7) is slidably connected to the main flush arm and is also formed with an oblique groove (9) and a flat groove (10), wherein the side flush arm (4) is provided with a first projection (11) that can engage in the oblique groove, wherein the movable gear (8) is articulated to the main flush arm (2) and can engage in the fixed gear, wherein the movable gear is provided with an eccentric second projection (12) that can engage in the flat groove, wherein the drive element (7) performs a linear reciprocating movement upon rotation of the movable gear (8) in conjunction with the interaction of the second projection (12) with the flat groove (10),while the side flush arm (4) exerts a back and forth movement relative to the main flush arm (2) when the first projection (11) interacts with the oblique groove (9). [3] Dishwasher-specific rinse arm arrangement according to claim 2, characterized by that an end position (13) is provided on the underside of the drive element (7), which is firmly connected to the main flush arm (2) in order to prevent any possible detachment of the drive element, wherein the drive element is designed with a stop sliding groove (14) and the end position is accordingly provided with a positioning carriage (15). [4] Dishwasher-specific rinse arm arrangement according to one of claims 1 to 3, characterized by that the second water outlet is provided with a nozzle (16), while the side flush arm (4) is formed with an inlet (17) for receiving the nozzle. [5] Dishwasher-specific rinse arm arrangement according to claim 4, characterized bythat at least one sealing ring is inserted on the nozzle (16). [6] Dishwasher-specific rinsing arm arrangement according to one of claims 1 to 3, characterized by that the first water outlet (5) is formed with steps (18), while the middle flush arm (3) is provided with a water inlet (19) adjoining the first water outlet, in the periphery of which a plurality of spring snap hooks (20) are formed which can be snapped into the steps. [7] Dishwasher-specific rinse arm arrangement according to claim 6, characterized by that a vertical spray hole (21) and / or an oblique spray hole (22) are formed in the upper sides of the central flush arm (3) and the side flush arm (4).

Images