CN216495190U - Spray arm assembly and dish washing machine - Google Patents

Abstract

The utility model provides a spray arm assembly and a dish washing machine, and relates to the technical field of dish washing machines, wherein the spray arm assembly comprises a spray arm body, a lateral spray nozzle is arranged at the end part of the spray arm body, the lateral spray nozzle comprises an opening section, the caliber of the opening section is gradually increased along the water flow outflow direction, and a flaring section extends out of the opening section along the water flow outflow direction; wherein, the opening angle of flaring section is not less than the biggest opening angle of opening section. The dishwasher includes a spray arm assembly. Through this spray arm subassembly, it is limited to have alleviated the washing coverage area of spray arm hole for water spraying among the prior art, and the unsatisfactory technical problem of washing effect has reached the washing coverage area more extensively, the technological effect of washing effect reinforcing.

Description

Spray arm assembly and dish washing machine

Technical Field

The utility model relates to the technical field of dish washing machines, in particular to a spray arm assembly and a dish washing machine.

Background

The dish washer is a kitchen appliance used for automatically washing tableware such as bowls, chopsticks, dishes, knives and forks, and the application of the dish washer in life can reduce the labor intensity of kitchen personnel, so the application of the dish washer is more and more extensive along with the continuous improvement of the living standard of people.

The spray arm serves as one of the core parts of the dishwasher, and functions to spray washing water for washing dishes. Specifically, a hollow inner cavity, a spray arm water inlet communicated with the hollow inner cavity and a spray arm water spraying hole are formed in the spray arm. When the dish washer works, the tableware is sprayed by the water spraying holes of the spraying arms to finish cleaning operation.

The current spray arm hole of water spraying is mostly circular or square, and the water column that the spray arm jetted out to a great extent depends on the shape and the structure of hole of water spraying, because current hole of water spraying is circular or rectangle, so most dish washer water column of jetting is cylindrical or square column type, and the area of sweeping is relatively limited, and the inner bag of general dish washer is mostly square simultaneously, just is difficult to wash to square dish washer's corner more.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spray arm assembly and a dish washing machine, which are used for solving the technical problems that the washing coverage area of a spray hole of a spray arm is limited and the washing effect is not ideal in the prior art.

In a first aspect, the present invention provides a spray arm assembly comprising: the spray arm comprises a spray arm body, wherein a lateral nozzle is arranged at the end part of the spray arm body, the lateral nozzle comprises an opening section, the caliber of the opening section is gradually increased along the water flow outflow direction, and a flaring section extends from the opening section along the water flow outflow direction;

wherein the opening angle of the flaring section is not less than the maximum opening angle of the opening section.

Furthermore, the opening section and the flaring section are correspondingly arranged along the thickness direction of the spray arm body.

Further, the spray arm body comprises a spray arm upper cover and a spray arm lower cover;

the lateral nozzles are arranged at the end part of the spray arm upper cover and/or the end part of the spray arm lower cover.

Furthermore, when the lateral nozzles are arranged at the corresponding end parts of the upper spray arm cover and the lower spray arm cover, after the upper spray arm cover is connected with the lower spray arm cover, the side surface of the flaring section of the upper spray arm cover is abutted against the side surface of the flaring section of the lower spray arm cover, and the opening section of the upper spray arm cover and the opening section of the lower spray arm cover are respectively positioned at two sides of the flaring section.

Furthermore, the opening depth of the opening section of the upper spray arm cover is not less than that of the opening section of the lower spray arm cover;

and/or the opening size of the opening section of the upper spray arm cover is not smaller than that of the opening section of the lower spray arm cover;

and/or the opening size of the flaring section of the spray arm upper cover is larger than that of the opening section of the spray arm upper cover;

and/or the opening size of the opening section of the lower cover of the spray arm is larger than that of the opening section of the lower cover of the spray arm.

Furthermore, the opening section adopts a V-shaped opening section.

Furthermore, the central line of the V-shaped opening section and the central line of the spray arm body form an included angle.

Furthermore, the spray arm bodies are arranged into a plurality of groups and are mutually communicated, and at least one group of spray arm bodies is provided with the lateral spray nozzles.

Furthermore, the side surface of the spray arm body is also provided with a plurality of water spray nozzles.

Has the advantages that:

according to the spray arm assembly provided by the utility model, the end part of the spray arm body is provided with the lateral nozzle, the lateral nozzle comprises the opening section, the caliber of the opening section is gradually increased along the water flow outflow direction, the opening section is arranged to enable the sprayed water flow to form the fan-shaped washing surface, pollutants splashed to the inner side wall of the dish washing machine during washing are effectively washed, meanwhile, the opening section extends out of the flaring section along the water flow outflow direction, and the opening angle of the flaring section is not smaller than the maximum opening angle of the opening section, so that the washing area of the fan-shaped washing surface can be wider, and the washing effect of tableware at the corner position in the dish washing machine is improved.

In a second aspect, the present invention provides a dishwasher, comprising: the spray arm assembly of any of the preceding embodiments.

Has the advantages that:

the dishwasher provided by the utility model comprises the spray arm assembly, so that the technical advantages and effects of the dishwasher also comprise the technical advantages and effects of the spray arm assembly, and further description is omitted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a spray arm assembly according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a top view of a spray arm assembly provided by an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a schematic view of a spray arm assembly spraying a water curtain according to an embodiment of the present invention.

Icon:

100-spray arm body; 110-lateral nozzles; 120-spray arm upper cover; 130-spray arm lower cover; 140-water jet; 111-an open section; 112-flared section.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 to 4, the present embodiment provides a spray arm assembly, which includes a spray arm body 100, a lateral nozzle 110 is disposed at an end of the spray arm body 100, the lateral nozzle 110 includes an opening section 111, a caliber of the opening section 111 gradually increases along a water flow outflow direction, and a flared section 112 extends from the opening section 111 along the water flow outflow direction; wherein the opening angle of the flared section 112 is not less than the maximum opening angle of the opening section 111, i.e., the opening angle of the flared section 112 is greater than or equal to the maximum opening angle of the opening section 111.

The spray arm subassembly that this embodiment provided, this opening section 111's setting can make spun rivers form fan-shaped washing face, effectively erode because the pollutant of the inside lateral wall of dishwasher of splashing during the washing, simultaneously, because opening section 111 extends one section flaring section 112 along rivers outflow direction, and the opening angle of flaring section 112 is not less than the biggest opening angle of opening section 111, so set up, can make the washing region of fan-shaped washing face wider, promote the washing effect of the inside corner department tableware of dishwasher.

It should be noted that the lateral nozzles 110 are arranged to enable water flow to be laterally ejected from the end of the spray arm body 100, and the size and area of the fan-shaped washing surface ejected by the lateral nozzles 110 can be changed by changing the arrangement position and arrangement angle of the lateral nozzles 110, so that the fan-shaped washing surface is suitable for dishwasher liners of different sizes and different structural types.

Further, referring to fig. 2, the opening section 111 and the flaring section 112 are correspondingly arranged along the thickness direction of the spray arm body 100, and the advantage of such arrangement is that when the water flow is sprayed from the opening section 111, from near to far, namely, in the process of spraying from the opening section 111 to the flaring section 112, the width flaring section 112 in the thickness direction is increased relative to the opening section 111, so that the sprayed water flow can form a fan-shaped washing surface, and the side wall of the tableware or the inner container of the dishwasher in the spraying range is washed, because the two are not in the same thickness direction, therefore, when the washing surface is increased, the spraying range can be increased, and the washing area is increased, so as to improve the washing effect.

In this embodiment, the spray arm body 100 may be integrally formed, or the spray arm body 100 includes the spray arm upper cover 120 and the spray arm lower cover 130, the spray arm upper cover 120 and the spray arm lower cover 130 are vertically fastened, and a circle is welded at a connection circular seam between the two to form a closed cavity.

The lateral nozzle 110 may be disposed at an end of the upper spray arm cover 120 or an end of the lower spray arm cover 130.

Referring to fig. 2, fig. 2 shows that the lateral nozzle 110 is disposed at the end of the upper spray arm cover 120 and the lower spray arm cover 130, but it goes without saying that the lateral nozzle 110 is disposed at the end of the upper spray arm cover 120 or the end of the lower spray arm cover 130, which can achieve the above-mentioned effects, and the specific structure thereof can be referred to fig. 2.

Specifically, when the lateral nozzle 110 is disposed on the spray arm upper cover 120, the opening section 111 and the flared section 112 of the spray arm lower cover 130 may be removed, that is, the removed portion may be a sealing surface. Similarly, when the lateral nozzle 110 is disposed on the lower arm cover 130, the opening section 111 and the flared section 112 of the upper arm cover 120 may be removed, i.e., the removed portion may be a closed surface.

In this embodiment, referring to fig. 2, the lateral nozzles 110 are disposed at the ends of the upper spray arm cover 120 and the lower spray arm cover 130; after the spray arm upper cover 120 is connected with the spray arm lower cover 130, the side surface of the flaring section 112 of the spray arm upper cover 120 is abutted against the side surface of the flaring section 112 of the spray arm lower cover 130, and the opening section 111 of the spray arm upper cover 120 and the opening section 111 of the spray arm lower cover 130 are respectively positioned at two sides of the flaring section 112.

The lateral nozzles 110 are disposed at the corresponding ends of the upper spray arm cover 120 and the lower spray arm cover 130, and compared with the ends of the upper spray arm cover 120 or the lower spray arm cover 130, the lateral nozzles can increase the water yield and the size and area of the fan-shaped washing surface, so that the washing area is wider and the washing effect is better.

When the spray arm upper cover 120 and the spray arm lower cover 130 are manufactured, the same structure can be adopted for the two covers, and the interchangeability and universality of the parts are improved.

Referring to fig. 2, taking the spray arm upper cover 120 as an example, the spray arm upper cover 120 may be a cavity structure, which has a cavity shell and a flange disposed at an opening of the cavity shell, and the flange is disposed at an outer edge of the cavity shell, so that after the lateral nozzle 110 is disposed, an opening section 111 may be disposed at one end of the cavity shell, and a flared section 112 is disposed at the flange, so that the opening section 111 and the flared section 112 may be disposed along a thickness direction of the spray arm body 100.

Referring to fig. 3 and 4, the opening depth of the opening section 111 of the spray arm upper cover 120 is not less than the opening depth of the opening section 111 of the spray arm lower cover 130; the opening size of the opening section 111 of the spray arm upper cover 120 is not smaller than that of the opening section 111 of the spray arm lower cover 130; the opening size of the flaring section 112 of the spray arm upper cover 120 is larger than that of the opening section 111 of the spray arm upper cover 120; the opening size of the flaring section 112 of the spray arm lower cover 130 is larger than that of the opening section 111 of the spray arm lower cover 130, so that the washing area of the fan-shaped washing surface formed by water flow is wider, and the washing effect is better.

Note that, the aforementioned "opening depth" refers to the length of the opening section 111 along the extending direction thereof; the aforementioned "opening size" refers to an angle at which the opening of the opening section 111 or the flare section 112 is opened.

Illustratively, the opening section 111 is a "V" shaped opening section.

Since the open section 111 of the lateral nozzle 110 has a V-shaped cross-section, when the water flow first reaches the top end of the V, the water flow in the spray arm body 100 is suddenly released by the binding force of the inner wall of the spray arm body 100 in the vertical direction, in the horizontal direction, the water still having other side wall binding force is gushed out to the top end of the V-shaped part, so that the water flow at the top end of the V-shaped part is not in the vertical direction under the binding force, and is impacted by other water flow in the horizontal direction, and when the water flow crosses the edge of the fan-shaped lateral nozzle 110, because the binding force of the water flow in the vertical direction disappears, the external space is enlarged, and simultaneously because of the inertia force of the water flow, thereby forming a water curtain in the vertical direction, and the water curtain becomes wider from near to far, thereby forming a fan-shaped water curtain in the vertical direction, as shown in fig. 5, the fan-shaped water curtain is formed to be wider from the inside to the outside along the spray arm body 100.

The water curtain formed by the lateral nozzle 110 can effectively wash the top of the inner container of the dish-washing machine, the corners of the inner container and the side wall of the inner container, when the spray arm body 100 rotates around the central line of the spray arm body, the water flow ejected by the lateral nozzle 110 can be accelerated to eject, the spray arm body 100 is pushed to rotate, and the water flow ejected by the lateral nozzle 110 can uniformly wash along the side wall of the inner container.

Further, referring to fig. 4, a central line of the "V" shaped opening section is disposed at an included angle with a central line of the spray arm body 100, wherein the included angle a may range from ± 70 °.

The central line of the V-shaped opening section and the central line of the spray arm body 100 form a certain angle, and the action of pushing the spray arm body 100 to rotate can be achieved through the reaction force of water flow.

In this embodiment, the spray arm bodies 100 are arranged in multiple groups and are communicated with each other, and at least one group of spray arm bodies 100 is provided with the lateral nozzles 110, that is, the lateral nozzles 110 may be arranged on only one group of spray arm bodies 100, or the lateral nozzles 110 may be arranged on all the spray arm bodies 100.

Optionally, the spray arm bodies 100 are arranged in three groups, and the angle between two adjacent groups is 120 °.

Further, referring to fig. 1, the side surface of the spray arm body 100 is further provided with a plurality of water spray nozzles 140 to clean the dishes under the spray arm body 100.

The embodiment also provides a dishwasher, which comprises the spray arm assembly. The dishwasher provided by the embodiment comprises the spray arm assembly, so that the technical advantages and effects achieved by the dishwasher also comprise the technical advantages and effects achieved by the spray arm assembly, and further description is omitted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A spray arm assembly, comprising: the spray arm comprises a spray arm body (100), wherein a lateral nozzle (110) is arranged at the end part of the spray arm body (100), the lateral nozzle (110) comprises an opening section (111), the caliber of the opening section (111) is gradually increased along the water flow outflow direction, and a flaring section (112) extends from the opening section (111) along the water flow outflow direction;

wherein the opening angle of the flared section (112) is not less than the maximum opening angle of the opening section (111).

2. The spray arm assembly of claim 1, wherein the opening section (111) and the flared section (112) are disposed in correspondence with each other in a thickness direction of the spray arm body (100).

3. The spray arm assembly of claim 1, wherein the spray arm body (100) comprises a spray arm upper cover (120) and a spray arm lower cover (130);

the lateral nozzle (110) is arranged at the end of the spray arm upper cover (120) and/or at the end of the spray arm lower cover (130).

4. The spray arm assembly according to claim 3, wherein when the lateral nozzle (110) is disposed at the corresponding end of the upper spray arm cover (120) and the lower spray arm cover (130), after the upper spray arm cover (120) is connected to the lower spray arm cover (130), the side of the flared section (112) of the upper spray arm cover (120) abuts against the side of the flared section (112) of the lower spray arm cover (130), and the opening section (111) of the upper spray arm cover (120) and the opening section (111) of the lower spray arm cover (130) are respectively located at two sides of the flared section (112).

5. The spray arm assembly according to claim 4, wherein the opening depth of the opening section (111) of the spray arm upper cover (120) is not less than the opening depth of the opening section (111) of the spray arm lower cover (130);

and/or the opening size of the opening section (111) of the spray arm upper cover (120) is not smaller than that of the opening section (111) of the spray arm lower cover (130);

and/or the opening size of the flaring section (112) of the spray arm upper cover (120) is larger than that of the opening section (111) of the spray arm upper cover (120);

and/or the opening size of the flaring section (112) of the spray arm lower cover (130) is larger than that of the opening section (111) of the spray arm lower cover (130).

6. Spray arm assembly according to any of claims 1 to 5, characterized in that the opening section (111) is a "V" shaped opening section.

7. The spray arm assembly of claim 6, wherein the midline of the "V" shaped orifice section is angled relative to the midline of the spray arm body (100).

8. Spray arm assembly according to any one of claims 1 to 5, characterized in that the spray arm bodies (100) are arranged in groups and communicate with each other, at least one group of spray arm bodies (100) being provided with the lateral nozzles (110).

9. The spray arm assembly of claim 8, wherein the side of the spray arm body is further provided with a plurality of water jets (140).

10. A dishwasher, comprising: the spray arm assembly of any one of claims 1-9.

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