Water spraying structure for dish washing machine

Abstract

The utility model discloses a water spraying structure for a dish-washing machine, which comprises a spraying arm component, the spraying arm component is provided with a vertical rotating central shaft, a cavity is arranged in the spraying arm component, the cavity is connected with a water pipe for providing a water source, the spraying arm component is provided with a plurality of water spraying holes communicated with the cavity, and a flushing position is formed in front of the water spraying holes; the water retaining assembly is arranged in the water flow spraying direction of the water spraying hole, the water retaining assembly comprises a water retaining piece, at least part of the water retaining piece extends to a water flow spraying path, and the water retaining piece is used for reflecting water flow which penetrates through the flushing position and then is partially sprayed to the water retaining piece back to the flushing position; the number of the water retaining pieces is at least three, the water retaining pieces are sequentially connected and arranged around the rotating center shaft of the spraying arm assembly, and a matched water retaining corner is connected to the included angle between every two water retaining pieces. According to the water spraying structure for the dish-washing machine, the water retaining assembly is arranged, so that waste of washing water is avoided, the utilization rate of the washing water and the washing strength are improved, the washing range is expanded, and washing dead corners are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen electrical appliances technical field, especially a kind of water spraying structure for dishwasher. BACKGROUND

[0002] With the continuous improvement of people's living standards, dishwasher has gradually popularized to replace the tedious labor of manual dishwashing. There are many types of dishwasher products on the market, such as front-opening, sink, drawer, small table, etc. Their water flow systems are basically the same, mainly through the internal rotating spray arm to spray high-temperature and high-pressure water flow to directly or indirectly spray the dishes in the dish basket. At the same time, combined with the divergence, reflection, and sputtering of water flow, mechanical washing is performed, and supplemented by the wetting, decomposition, soaking, and swelling of detergents, as well as the dissolving and thermal shock of hot water, the dishes are fully washed and cleaned.

[0003] The spray arm is an important execution component for washing dishes in the dishwasher, and the design of its spray angle and spray position directly affects the washing performance of the dishwasher. However, in the prior art, the spray range of each water hole of the spray arm is fixed, so the spray range of the spray arm is limited, which easily leads to the phenomenon of washing dead angle, seriously affecting the improvement of the washing performance of the dishwasher. SUMMARY

[0004] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a water spraying structure for dishwasher, which avoids waste of washing water, improves utilization rate and flushing intensity of washing water, expands flushing range, and reduces the occurrence of washing dead angle.

[0005] According to the first aspect embodiment of the utility model, a water spraying structure for dishwasher includes a spray arm assembly with a vertical rotation center axis, a cavity in the spray arm assembly, a water pipe connected to the cavity for providing water source, a plurality of water spraying holes on the spray arm assembly in communication with the cavity, and a flushing position formed in front of the water spraying holes. A water blocking component is arranged in the water flow spraying direction of the water spraying holes. The water blocking component includes a water blocking piece that extends at least partially to the water flow spraying path to reflect the water flow sprayed to the water blocking piece back to the flushing position. The water blocking piece is arranged in three parts, sequentially connected and surrounding the rotation center axis of the spray arm assembly. The angle between two water blocking pieces is connected to a matching water blocking angle.

[0006] The water in the cavity of the spray arm assembly will be sprayed upwards during use of the spray arm assembly, washes and cleans tableware at the washing position, part of the water flow will be sprayed to the water blocking assembly through the washing position, and is reflected back to the washing position under the action of the water blocking piece, thereby continuously washing the tableware, the arrangement of the water blocking assembly avoids waste of washing water, improves utilization of the washing water, and improves washing intensity.

[0007] The water blocking assembly surrounds the spray arm assembly in the embodiment, and a water blocking corner that can block water is arranged at the included angle position, the water blocking corner and the surrounding water blocking piece can change the direction of the water flow, spray the water flow to each direction, expand the washing range, and reduce (or avoid) generation of a washing dead angle.

[0008] According to some embodiments of the utility model, the other side of water blocking piece away from water spraying hole is equipped with a plurality of guide parts, each guide part lower end is equipped with water drainage hole that penetrates water blocking piece, water that falls into the other side of water blocking piece is guided to water drainage hole through guide part, and is guided again to washing position.

[0009] According to some embodiments of the utility model, guide part includes a plurality of guide strips, and guide channel is formed between adjacent guide strips, one end of guide channel is communicated with water drainage hole, and the other end is flared, and each guide channel forms the shape of wide at the top and narrow at the bottom from the direction away from water drainage hole to the direction close to water drainage hole.

[0010] According to some embodiments of the utility model, the one end of water blocking piece close to water drainage hole is further equipped with blocking part, blocking part extends along the length direction of water blocking piece, and blocking part and the guide strip of each guide part form water gathering space around water drainage hole, so that the water flow is gathered and sprayed from water drainage hole.

[0011] According to some embodiments of the utility model, two guide strips on the outside in each guide part are equipped with reinforcing ribs.

[0012] According to some embodiments of the utility model, at least one water spraying hole or water drainage hole is installed with flexible spray pipe, the flexible spray pipe has inner hole communicated with the water spraying hole or water drainage hole corresponding thereto, one end of the flexible spray pipe is fastened to the spray arm assembly or water blocking piece, and the other end is freely extended.

[0013] According to some embodiments of the utility model, the water blocking assembly further includes a mounting bracket, and the mounting bracket is fixed to the inner wall of the dishwasher box body, and the water blocking piece is rotationally connected to the mounting bracket.

[0014] According to some embodiments of the utility model, the mounting bracket is provided with a first hinge seat, the other side of the water blocking piece away from the water spraying hole is provided with a corresponding matched second hinge part, and the water blocking piece is hinged to the mounting bracket through the first hinge seat and the second hinge part.

[0015] According to some embodiments of the present application, a limiting part is arranged on the first hinge seat, and is used for limiting the rotation range of the water baffle.

[0016] According to some embodiments of the present application, the spray arm assembly comprises a first spray arm and a second spray arm, the first spray arm and the second spray arm are vertically spaced, and each of the first spray arm and the second spray arm forms a washing position in front.

[0017] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below in combination with the drawings and embodiments.

[0019] Figure 1 is a structure schematic view of a dishwasher;

[0020] Figure 2 is a structure schematic view of an embodiment of the present application;

[0021] Figure 3 is a structure schematic view of a water baffle assembly;

[0022] Figure 4 is a front view of the water baffle assembly.

[0023] REFERENCE NUMERALS:

[0024] Spray arm assembly 100, water spray hole 110, flexible spray pipe 111, storage basket 112, first spray arm 120, first channel 121, second spray arm 130, second channel 131;

[0025] Water baffle assembly 200, water baffle 210, guide part 211, drain hole 212, guide strip 213, guide channel 214, blocking part 215, reinforcing rib 216, second hinge part 217, water baffle angle 220, mounting frame 230, first hinge seat 231, limiting part 232. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0027] In the description of the utility model, it needs to be understood that, the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0028] In the description of the utility model, it needs to be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] Referring to Figures 1 to 4 The utility model discloses a water spraying structure of dish washing machine, including spray arm assembly 100, water baffle assembly 200.

[0030] Referring to Figure 2 Spray arm assembly 100 has the rotation center axis along vertical direction, and will rotate around the rotation center axis during use. Spray arm assembly 100 has a cavity, and the cavity is connected with water pipe for providing washing water source, and a plurality of water spraying holes 110 are arranged on spray arm assembly 100 and communicated with the cavity, and the washing position is formed in front of water spraying hole 110, referring to Figure 1 When the dish washing machine is installed, the basket 112 is placed at the washing position to ensure the washing effect.

[0031] Water baffle assembly 200 is arranged in the water flow spraying direction of water spraying hole 110, specifically, referring to Figure 1 In the embodiment, spray arm assembly 100 is arranged at the lower part of the dish washing machine and sprays upward, so water baffle assembly 200 is arranged at the upper part of the dish washing machine, in other embodiments, spray arm assembly 100 can also be arranged at the upper part of the dish washing machine and sprays downward, at this time, water baffle assembly 200 is arranged at the lower part of the dish washing machine.

[0032] The water blocking assembly 200 comprises water blocking sheets 210 extending at least partially into the jet path of the water flow to reflect the water flow jetted onto the water blocking sheets 210 after passing through the washing position back to the washing position; the water blocking sheets 210 are arranged at least in three, sequentially connected and surrounding the rotation center axis of the spray arm assembly 100, and a matching water blocking corner 220 is arranged at the included angle between two water blocking sheets 210.

[0033] During the use of the spray arm assembly 100, the water in the cavity of the spray arm assembly 100 will be jetted upwards to wash and clean the dishes at the basket 112, and part of the water flow will be jetted towards the water blocking assembly 200 through the basket 112 and be reflected back to the washing position by the water blocking sheets 210 to continue washing the dishes, so that the water blocking assembly 200 avoids the waste of washing water, improves the utilization rate of the washing water and also improves the washing intensity.

[0034] In the prior art, the basket 112 of the dishwasher is square or rectangular, and the trajectory of the spray arm assembly 100 is circular, that is, the jet area of the spray arm assembly 100 is circular, so that the four corners of the rectangular basket 112 cannot be washed by the jetted water flow, forming a washing dead angle. In the embodiment, the water blocking assembly 200 surrounds the spray arm assembly 100, and the water blocking corner 220 which can block water is arranged at the included angle position, so that the water blocking corner 220 and the surrounding water blocking sheets 210 can change the direction of the water flow to wash in all directions, expand the washing range and reduce (or avoid) the generation of the washing dead angle.

[0035] During use, part of the water flow jetted by the spray arm assembly 100 can fall from the other side of the water blocking sheets 210, and the water flow falls along the inner wall of the dishwasher and cannot wash the basket 112 again, so that, in order to improve the repeated utilization rate of the water flow, the water blocking assembly 200 is arranged on the other side of the water blocking sheets 210. Figure 3 In some embodiments of the utility model, a plurality of guide portions 211 are arranged on the other side of the water blocking sheets 210 away from the water spraying holes 110, and a drain hole 212 penetrating through the water blocking sheets 210 is arranged at the lower end of each guide portion 211, the water jetted to the other side of the water blocking sheets 210 is gathered and guided to the drain hole 212 through the guide portions 211, and is re-directed to the washing position.

[0036] In some embodiments of the utility model, a plurality of guide portions 211 are arranged on the other side of the water blocking sheets 210 away from the water spraying holes 110, and a drain hole 212 penetrating through the water blocking sheets 210 is arranged at the lower end of each guide portion 211, the water jetted to the other side of the water blocking sheets 210 is gathered and guided to the drain hole 212 through the guide portions 211, and is re-directed to the washing position. Figure 3 In further embodiments of the utility model, the guide portion 211 comprises a plurality of guide strips 213, a guide channel 214 is formed between adjacent guide strips 213, one end (lower end) of the guide channel 214 is communicated with the drain hole 212, and the other end (upper end) is flared. Figure 3 Figure 3 From the direction away from the drain hole 212 to the direction close to the drain hole 212, each guide channel 214 forms a shape of being wide at the upper end and narrow at the lower end, so as to gather the water falling on the back side of the water blocking sheets 210 to form a powerful washing water flow. ​

[0037] Referring to Figure 3 In further embodiments of the present application, the water baffle 210 further comprises a blocking portion 215 at one end close to the drain hole 212, the blocking portion 215 extends along the length direction of the water baffle 210, and the blocking portion 215 and the guide strips 213 of each guide portion 211 form a water collecting space around the drain hole 212, so that the water flow is gathered and sprayed out of the drain hole 212. Specifically, the blocking portion 215 can be perpendicular to the water baffle 210, or can form an acute angle with the water baffle 210, the purpose is to prevent the water flow in the water collecting space from falling directly along the water baffle 210.

[0038] Referring to Figure 3 In further embodiments of the present application, reinforcing ribs 216 are arranged on the two guide strips 213 on the outer side of each guide portion 211, so as to improve the support strength of the guide strips 213 and avoid loosening or breaking under long-term water flow erosion. In this embodiment, since a plurality of guide portions 211 are arranged and the guide channel 214 is narrow, the reinforcing ribs 216 are arranged only on the guide strips 213 on the outer side; in other embodiments, reinforcing ribs 216 can be arranged on each guide strip 213 as needed, or other methods that can improve the support strength can be used.

[0039] Referring to Figures 2 to 3 In some embodiments of the present application, a flexible spray pipe 111 is arranged at at least one of the water spray holes 110 or the drain hole 212, the flexible spray pipe 111 has an inner hole communicating with the corresponding water spray hole 110 or drain hole 212, one end of the flexible spray pipe 111 is fixedly connected to the spray arm assembly 100 or the water baffle 210, and the other end freely extends, that is, only one end of the flexible spray pipe 111 is positioned, and the other end can move under the driving of an external force.

[0040] Specifically, the washing water flows into the spray arm assembly 100 from the water inlet hole and flows to each water spray hole 110 through the cavity, and is sprayed outward through the water spray hole 110. The flexible spray pipe 111 can be a flexible pipe, since the flexible spray pipe 111 can swing at will under the action of an external force, when the washing water flows into the flexible spray pipe 111 from the water spray hole 110 during the washing process, the fluid kinetic energy of the washing water can drive the flexible spray pipe 111 to swing at will, so that the spraying direction of the washing water sprayed out of the flexible spray pipe 111 is random and fixed, so that the flexible spray pipe 111 can spray washing water outward at multiple angles and in multiple directions, greatly expanding the spraying range of the washing water, effectively reducing (or avoiding) the washing dead angle phenomenon, thereby improving the washing capacity of the dishwasher, and finally effectively improving the washing performance of the dishwasher.

[0041] Referring to Figures 3 to 4In some embodiments of the utility model, water baffle assembly 200 further includes mounting bracket 230, mounting bracket 230 is fixed on the inner wall of dishwasher box through detachable connection (such as threaded connection, buckle connection etc.), water baffle piece 210 is rotatably connected on mounting bracket 230, therefore water baffle piece 210 can rotate and adjust angle under the action of water flow.

[0042] With reference to Figures 3 to 4 In further embodiments of the utility model, first hinged seat 231 is arranged on mounting bracket 230, and the other side of water baffle piece 210 opposite to water spraying hole 110 is provided with corresponding matched second hinged part 217, and water baffle piece 210 is hinged on mounting bracket 230 through first hinged seat 231 and second hinged part 217.

[0043] With reference to Figure 4 In further embodiments of the utility model, limiting part 232 is arranged on first hinged seat 231, for limiting the rotation range of water baffle piece 210, preventing water baffle piece 210 from rotating excessively upwards and affecting water baffle effect.

[0044] With reference to Figures 1 to 2 In some embodiments of the utility model, spray arm assembly 100 includes first spray arm 120 and second spray arm 130, and first spray arm 120 and second spray arm 130 are vertically spaced, and each of first spray arm 120 and second spray arm 130 forms a washing position in front, and each can place a basket 112, improving washing efficiency.

[0045] First spray arm 120 is connected with water pipe through first channel 121, and second spray arm 130 is connected with water pipe through second channel 131, and they are independent of each other. When first channel 121 is blocked, water is sprayed from second spray arm 130, and when second channel 131 is blocked, water is sprayed from first spray arm 120, so that the user can control the spray mode, and the utility model is suitable for different washing requirements.

[0046] In the description of the present application, it should be pointed out that the orientation or position relationship indicated by the terms "vertical", "upper", "lower", "horizontal" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0047] In the description of the application, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A water spraying structure for a dishwasher, characterized by The utility model relates to a water deflector assembly and a spray arm assembly of a dishwasher, and relates to the technical field of dishwashers. The utility model discloses a water deflector assembly and a spray arm assembly of a dishwasher. The water deflector assembly comprises a water deflector plate (210) and a plurality of water deflector angles (220). The water deflector plate (210) is provided with a plurality of guide portions (211) on the side opposite to the spray hole (110).

2. The water spraying structure for a dishwasher according to claim 1, wherein: The guide portion (211) comprises a plurality of guide strips (213), and a guide channel (214) is formed between adjacent guide strips (213).

3. The water spraying structure for a dishwasher according to claim 2, wherein: The guide channel (214) is in communication with the drain hole (212) at one end and is flared at the other end.

4. The water spraying structure for a dishwasher according to claim 3, wherein: The water deflector plate (210) is further provided with a blocking portion (215) at the end close to the drain hole (212).

5. The water spraying structure for a dishwasher according to claim 4, wherein: The blocking portion (215) extends along the length direction of the water deflector plate (210).

6. The water spraying structure for a dishwasher according to claim 2, wherein: The blocking portion (215) and the guide strips (213) of each guide portion (211) form a water collecting space around the drain hole (212) to make the water flow gather and then be sprayed out of the drain hole (212).

7. The water spraying structure for a dishwasher according to claim 1, wherein: The two guide strips (213) on the outer side of each guide portion (211) are provided with reinforcing ribs (216). At least one of the spray hole (110) or the drain hole (212) is provided with a flexible spray pipe (111). The flexible spray pipe (111) has an inner hole in communication with the corresponding spray hole (110) or drain hole (212). One end of the flexible spray pipe (111) is fixedly connected to the spray arm assembly (100) or the water deflector plate (210), and the other end is freely extended. The water deflector assembly (200) further comprises a mounting frame (230) fixed to the inner wall of the dishwasher box. The water deflector plate (210) is rotatably connected to the mounting frame (230).

8. The water spraying structure for a dishwasher according to claim 7, wherein: The mounting frame (230) is provided with a first hinge seat (231), the other side of the water baffle (210) away from the water spraying hole (110) is provided with a corresponding matched second hinge part (217), and the water baffle (210) is hinged to the mounting frame (230) through the first hinge seat (231) and the second hinge part (217).

9. The water spraying structure for a dishwasher according to claim 8, wherein: The first hinge seat (231) is provided with a limiting part (232) for limiting the rotation range of the water baffle (210).

10. The water spraying structure for a dishwasher according to claim 1, wherein: The spray arm assembly (100) comprises a first spray arm (120) and a second spray arm (130), the first spray arm (120) and the second spray arm (130) are vertically spaced, and the first spray arm (120) and the second spray arm (130) each form the washing position in front.

Images