CN218852644U

CN218852644U - Spraying assembly and dish-washing machine

Info

Publication number: CN218852644U
Application number: CN202222651255.7U
Authority: CN
Inventors: 陈景辉; 张海波; 张猛
Original assignee: Marssenger Kitchenware Co Ltd
Current assignee: Marssenger Kitchenware Co Ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-04-14
Anticipated expiration: 2032-09-29

Abstract

A spray assembly comprises a water pipe and a spray arm; the water pipe is provided with a first water flow channel, a water inlet end and a water outlet end, and the first water flow channel is communicated with the water inlet end and the water outlet end; the spray arm is provided with a second water flow channel, a water spraying hole and an inflow channel, and the second water flow channel is communicated with the inflow channel and the water spraying hole; the water pipe comprises a matching part, the water outlet end is positioned at the matching part, and the matching part is convexly arranged towards the spraying arm; the inflow channel is in a through hole shape; the spray assembly further comprises a connecting joint, part of the spray arm is positioned between the spray arm water pipe and the connecting joint, the matching part extends into the inflow channel from the first hole of the inflow channel, at least part of the matching part is positioned in the through hole, the connecting joint blocks the second hole of the inflow channel, and the free end part of the matching part in the height direction is clamped with the connecting joint; the connecting joint can rotate along the circumferential direction of the matching part to release the clamping state; thus, the overall height of the spraying assembly is reduced, and the structure is more compact.

Description

Spraying assembly and dish-washing machine

Technical Field

The application relates to the technical field of kitchen appliances, in particular to a spraying assembly and a dish washing machine.

Background

The dish washer is provided with a spraying assembly, the spraying assembly is positioned in an inner cavity of the dish washer, and the spraying assembly is used for spraying water flow to wash dishes and the like in the inner cavity of the dish washer; generally, the structure of the spraying component influences the space occupied by the spraying component in the inner cavity of the dishwasher, and the larger the space occupied by the spraying component is, the more limited the space of the inner cavity of the dishwasher for storing dishes will be, so that in the design process, how to optimize the structure of the spraying component to improve the space for storing dishes is a technical problem to be considered.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a spray assembly and dish washer is favorable to improving spray assembly's compactness in order to promote the space that bowl utensil was deposited.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a spray assembly comprises a water pipe and a spray arm; the water pipe is provided with a first water flow channel, a water inlet end and a water outlet end, and the first water flow channel is communicated with the water inlet end and the water outlet end; the spray arm is provided with a second water flow channel, a water spray hole and a water inlet channel, and the second water flow channel is communicated with the water inlet channel and the water spray hole; the water pipe comprises a matching part, the water outlet end is positioned on the matching part, and the matching part is convexly arranged towards the spraying arm; the inflow channel is in a through hole shape; the spraying assembly further comprises a connecting joint, part of the spraying arm is located between the spraying arm water pipe and the connecting joint, the matching part extends into the inflow channel from the first hole of the inflow channel, at least part of the matching part is located in the through hole, the connecting joint blocks the second hole of the inflow channel, and the free end part of the matching part in the height direction is clamped with the connecting joint; the connection joint can rotate along the circumferential direction of the matching part to release the clamping state.

Preferably, the connection joint comprises a first limiting part, the free end of the matching part in the height direction comprises a second limiting part, one of the first limiting part and the second limiting part is convex, the other one of the first limiting part and the second limiting part is concave, and the first limiting part and the second limiting part are correspondingly matched and clamped; when the connecting joint rotates to the first position, the first limiting part and the second limiting part are unlocked.

Preferably, the connection joint further comprises a body part, a first convex part and at least two second convex parts, the first convex part is arranged in a protruding manner from the body part towards the direction of the water pipe, and the upper end surface of the body part is abutted with the surface of the second orifice of the inflow channel; the second convex part is connected with the upper end face of the first convex part, and part of the second convex part is arranged in a protruding manner relative to the radial direction of the first convex part; the first limiting part is formed on the second convex part;

the matching part is provided with a first opening, and the first convex part and the second convex part extend into the cavity of the matching part from the first opening; when the free end of the matching part in the height direction is connected with the connecting joint in a clamping mode, the first limiting part and the second limiting part are oppositely arranged.

Preferably, a portion of the second protrusion, which protrudes radially relative to the first protrusion, is defined as an extending portion, when the first limiting portion is convex, the first limiting portion protrudes from a bottom surface of the extending portion toward the main body, and when the first limiting portion is concave, the first limiting portion is recessed from the bottom surface of the extending portion toward a direction away from the main body; the matching part is provided with an abutting surface, and the bottom surface of the extending part abuts against the abutting surface; when the second limiting part is convex, the second limiting part is arranged in a protruding mode from the abutting surface, and when the second limiting part is concave, the second limiting part is arranged in a concave mode from the abutting surface.

Preferably, the connection joint further includes a third protrusion protruding from the upper end surface of the body portion, the third protrusion being disposed around the outer periphery of the first protrusion; the cooperation portion includes upper ring portion, lower ring portion and two at least ribs, the rib is connected upper ring portion with lower ring portion, the rib along the circumference dispersion of cooperation portion sets up, first uncovered all take shape in lower ring portion, the up end of lower ring portion sets up to the butt face, the at least part of lower ring portion is located first convex part with between the third convex part.

Preferably, the lower ring portion includes a groove portion recessed from an inner peripheral wall surface of the lower ring portion toward an outer peripheral wall surface of the lower ring portion, two openings of the groove portion are respectively formed in an upper end surface of the lower ring portion and a lower end surface of the lower ring portion, the number of the groove portions is the same as the number of the second protruding portions, and the second stopper portion is located at one side of the groove portion.

Preferably, an abutting surface of the upper end surface of the body portion, which is used for abutting against the surface where the second aperture is located, is higher than a lower end surface of the lower ring portion.

Preferably, the connection joint further has an avoidance groove, at least a part of the avoidance groove is disposed opposite to the second convex portion, and the avoidance groove is recessed from an inner circumferential surface of the third convex portion.

Preferably, the back of the connection joint has a cross key.

Preferably, the spray arm includes a protruding rib, the protruding rib is protruding from the second aperture, the upper end portion of the body portion of the connector is abutted to the free end portion of the protruding rib, and the width of the protruding rib is gradually reduced along the direction from the root of the protruding rib to the free end portion of the protruding rib.

The application also provides a dishwasher, which comprises the spraying assembly.

The beneficial effect of this application: on one hand, along the height extending direction of the spray arm, the part of the spray arm is positioned between the water pipe and the connecting joint, the matching part of the water pipe extends into the inflow channel from the first hole of the inflow channel, at least part of the matching part is positioned in the through hole, and the connecting joint blocks the second hole of the inflow channel, so that the overall height of the spray assembly is favorably reduced, the structure is more compact, the space occupied by the spray assembly is favorably reduced, and the storage space of an inner cavity bowl of a dishwasher with the spray assembly is favorably improved; on the other hand, the connecting joint blocks a second orifice of the inflow channel, and the free end part of the matching part in the height direction is clamped with the connecting joint; the connecting joint can rotate along the circumferential direction of the matching part to release the clamping state; therefore, the connection between the water pipe and the spray arm is simple, and the assembly and the disassembly are convenient.

Drawings

FIG. 1 is a schematic perspective view of a portion of a dishwasher in accordance with the present application;

FIG. 2 is a perspective view of the spray assembly of FIG. 1;

FIG. 3 is an exploded view of the spray assembly of FIG. 2;

FIG. 4a is a schematic cross-sectional view of the spray assembly of FIG. 2 in one direction;

FIG. 4b is an enlarged partial schematic view of the spray assembly of FIG. 4 a;

FIG. 5 is a schematic cross-sectional view of the spray assembly of FIG. 2 in another orientation;

FIG. 6 is an enlarged partial schematic view of the spray assembly of FIG. 5;

FIG. 7 is a schematic perspective view of the water tube of the spray assembly of FIG. 2;

FIG. 8 is an enlarged partial schematic view of the water tube of FIG. 7;

FIG. 9 is a schematic perspective view of the spray arm of FIG. 2;

FIG. 10 is a schematic perspective view of the connection fitting of FIG. 2 in one orientation;

FIG. 11 is a perspective view of the connector of FIG. 2 in another orientation;

fig. 12 is a perspective view of the spray assembly of fig. 2 with the water tube and connector fitting assembled together.

Detailed Description

The application is further described with reference to the following figures and specific examples:

first, it should be noted here that: in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, are used for convenience of description only, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the present application; furthermore, the appearances of the numerical terms such as "first," "second," "third," etc. are only for descriptive purposes and not intended to be limiting or to imply relative importance. In addition, in the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, a limit connection such as an interference fit, a transition fit, or an integral connection; can be directly connected or indirectly connected through an intermediate medium; therefore, the specific meanings of the above terms in the present application can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1, in the present application, the dishwasher 100 includes an inner container 1 and a spraying component 2, the spraying component 2 is disposed in a cavity corresponding to the inner container 1 and is connected to the inner container 1, where "connecting" may be a direct connection or an indirect connection, in this embodiment, the spraying component 2 is indirectly connected to the inner container 1, specifically, the spraying component 2 is connected to an upper basket 3 of the dishwasher, and the upper basket 3 is slidably connected to the inner container 1.

Referring to fig. 2 to 9, the spray assembly 2 includes a water pipe 21 and a spray arm 22, the water pipe 21 has a first water flow passage 211, a water inlet end 212 and a water outlet end 213, the first water flow passage 211 communicates the water inlet end 212 and the water outlet end 213; the spray arm 22 is provided with a second water flow channel 221, a water spray hole 222 and a water inlet channel 223, wherein the second water flow channel 221 is communicated with the water inlet channel 223 and the water spray hole 222; the water pipe 21 comprises a matching part 214, the water outlet end 213 is positioned on the matching part 214, and the matching part 214 is convexly arranged towards the spray arm 22; the inlet passage 223 is in a through hole shape; the spray assembly 2 further comprises a connecting joint 23, along the height extension direction of the spray arm 22, part of the spray arm 22 is located between the water pipe 21 and the connecting joint 23, the matching part 214 of the water pipe 21 extends into the interior of the inflow channel 223 from the first hole 2231 of the inflow channel 223, at least part of the matching part 214 is located in the interior of the inflow channel 223, the connecting joint 23 blocks the second hole 2232 of the inflow channel 223, and the free end of the matching part 214 in the height direction is clamped with the connecting joint 23; the connection terminal 23 can be rotated along the circumferential direction of the fitting portion 214 to release the click state.

In this way, on the one hand, along the height extension direction of the spray arm 22, part of the spray arm 22 is located between the water pipe 21 and the connecting joint 23, the matching part 214 of the water pipe 21 extends from the first hole 2231 of the inflow channel 223 into the inflow channel 223, at least part of the matching part 214 is located inside the inflow channel 223, and the connecting joint 23 blocks the second hole 2232 of the inflow channel 223, which is beneficial to reducing the overall height of the spray assembly 2; on the other hand, the connection joint 23 blocks the second orifice 2232 of the inflow channel 223, and the free end of the fitting portion 214 in the height direction is engaged with the connection joint 23; the connection joint 23 can rotate along the circumferential direction of the fitting portion 214 to release the click state; this allows for a simple connection between the water pipe 21 and the spray arm 22, which facilitates assembly and disassembly.

Referring to fig. 10, the connecting joint 23 includes a first position-limiting portion 230, and the free end of the engaging portion 214 in the height direction includes a second position-limiting portion 2141, in this embodiment, the first position-limiting portion 230 is convex, the second position-limiting portion 2141 is concave, and the first position-limiting portion 230 and the second position-limiting portion 2141 are correspondingly engaged and clamped; when the connecting joint 23 rotates to the first position, the first limiting part 230 and the second limiting part 2141 are released from clamping so that the spray arm 22 and the water pipe 21 can be detached; in this application, connect 23 with the spacing connection that realizes spray arm 22 and water pipe 21 and remove spray arm 22 and the spacing connection between the water pipe 21 through swivelling joint, the equipment is convenient with the dismantlement like this, and the part is few, is favorable to improving assembly efficiency and reduce cost.

Of course, as another embodiment, the first stopper 230 may be convex, and in this case, the second stopper 2141 may be concave.

Specifically, referring to fig. 8 to 10, the connection joint 23 further includes a body 231, a first protrusion 232, and at least two second protrusions 233, the first protrusion 232 is disposed to protrude from the body 231 in a direction toward the water pipe 21 of the shower arm 22, and an upper end surface of the body 231 abuts against a surface of the second orifice 2232 of the inflow channel 223; the outer peripheral outline dimension of the second convex portion 233 is smaller than that of the body portion 231; the second convex portion 233 is connected to the upper end surface of the first convex portion 232, and a part of the second convex portion 233 is arranged to protrude in the radial direction of the first convex portion 232; the first stopper 230 is formed on the second protrusion 233; the mating portion 214 has a first opening 2140, and the first protrusion 232 and the second protrusion 233 extend into the cavity of the mating portion 214 from the first opening 2140; when the free end of the matching part 214 in the height direction is clamped with the connection joint 23, the first position-limiting part 230 and the second position-limiting part 2141 are arranged oppositely; in this embodiment, the relative direction of the first position-limiting portion 230 and the second position-limiting portion 2141 is parallel to the height direction of the matching portion 214; through the above manner, on the one hand, the connection joint 23 can block the second hole 2232 of the inflow channel 223, and on the other hand, when the free end of the matching part 214 in the height direction is clamped with the connection joint 23, the first limiting part 230 and the second limiting part 2141 are oppositely arranged, so that the limiting connection between the water pipe 21 and the spray arm 22 can be realized through the connection joint 23, and the connection manner has few parts and is low in cost.

Referring to fig. 10, a portion of the second protrusion 233, which protrudes radially relative to the first protrusion 232, is defined as an extending portion, in this embodiment, the first limiting portion 230 is convex, the first limiting portion 230 protrudes from a bottom surface of the extending portion toward the main body 231, the matching portion 214 has an abutting surface 2143, and the bottom surface of the extending portion abuts against the abutting surface 2143; in this embodiment, the second limiting portion 2141 is concave, the second limiting portion 2141 is recessed from the abutting surface 2143, and the convex first limiting portion 230 and the concave second limiting portion 2141 are correspondingly disposed in a matching manner, so that after the joint 23 is assembled in place, the water pipe 21 and the spray arm 22 are connected in a limiting manner through the joint 23, and the connection manner is simple and low in cost.

Of course, as another embodiment, when the first position-limiting portion 230 is concave, the first position-limiting portion 230 may be recessed from the bottom surface of the protruding portion to a direction away from the main body 231; at this time, the second limiting portion 2141 is convex, the second limiting portion 2141 may be protruded from the abutting surface 2143, and the concave first limiting portion 230 and the convex second limiting portion 2141 are correspondingly disposed in a matching manner, so that after the joint 23 is assembled in place, the water pipe 21 and the spray arm 22 are connected in a limiting manner through the joint 23.

Referring to fig. 12, the matching portion 214 further includes four ribs 2142, and the ribs 2142 are connected to the abutting surface 2143 and extend along the height direction of the matching portion 214; the ribs 2142 are uniformly distributed along the circumferential direction of the abutting surface 2143, the first limiting portion 230 and the second limiting portion 2141 are located between two adjacent ribs 2142, one rib 2142 of the two adjacent ribs 2142 is closer to the other rib 2142, the minimum distance L1 between the protruding portion and the rib 2142 closest to the protruding portion is smaller than the maximum length of the first limiting portion 230, so that the movement distance from the protruding portion to the rib 2142 closest to the protruding portion is favorably limited, and further, the first limiting portion 230 is favorably prevented from being separated from the second limiting portion 2141. In this embodiment, the matching portion 214 includes four ribs 2142, but the matching portion 214 may include two or another number of ribs 2142 as other embodiments.

Referring to fig. 10, the connection joint 23 further includes a third protrusion 234, the third protrusion 234 is protruded from the upper end surface of the body 231, and the third protrusion 234 is disposed around the outer circumference of the first protrusion 232; the matching portion 214 includes an upper ring portion 2144, a lower ring portion 2145, the rib 2142 connects the upper ring portion 2144 and the lower ring portion 2145, the first openings 2140 are formed in the lower ring portion 2145, and an upper end surface of the lower ring portion 2145 is configured as an abutting surface 2143, referring to fig. 4a, 4b, 8 and 10 in combination, in this embodiment, the lower ring portion 2145 is located between the first protruding portion 232 and the third protruding portion 234, of course, as another embodiment, the lower ring portion 2145 may also be partially located between the first protruding portion 232 and the third protruding portion 234; this is advantageous in reducing the overall height of the spray assembly 2 and in turn is advantageous in making the structure more compact.

Referring to fig. 4a, 4b, and 10, in the present embodiment, an abutting surface of the upper end surface of the body portion 231 for abutting against a surface where the second orifice 2232 is located is higher than a lower end surface of the lower ring portion 2145 of the fitting portion 214, which is advantageous for improving reliability of abutment of an abutting surface of the upper end surface of the body portion 231 for abutting against a surface where the second orifice 2232 is located.

Referring to fig. 4b and 9, the spray arm 22 includes a protruding rib 224, the protruding rib 224 is disposed protruding from the surface of the second aperture 2232, the upper end surface of the body 231 abuts against the free end of the protruding rib 224, and the width of the protruding rib 224 gradually decreases along the direction from the root of the protruding rib 224 to the free end of the protruding rib 224, which is beneficial to reducing the contact area between the upper end surface of the body 231 and the free end of the protruding rib 224, and thus beneficial to reducing the friction force of the connection joint 23 during rotation.

Referring to fig. 8 and 12, the lower ring portion 2145 includes groove portions 2146, the groove portions 2146 are concavely provided from an inner circumferential wall surface of the lower ring portion 2145 toward an outer circumferential wall surface of the lower ring portion 2145, two openings of the groove portions 2146 are formed at an upper end surface of the lower ring portion 2145 and a lower end surface of the lower ring portion 2145, respectively, the number of the groove portions 2146 is the same as the number of the second protrusion portions 233, and the second stopper portion 2141 is located at one side of the groove portions 2146; thus, when the connection joint 23 is assembled, the protruding portion can first pass through the groove portion 2146, and then the first stopper portion 230 and the second stopper portion 2141 can be engaged by rotating the connection joint 23.

Referring to fig. 10, the connection terminal 23 further has an avoidance groove 235, at least a portion of the avoidance groove 235 is disposed opposite to the second protrusion 233, and the avoidance groove 235 is recessed from an inner circumferential surface of the third protrusion 234; in this embodiment, the number of the relief grooves 235 is the same as that of the second protrusions 233, which facilitates mold release during injection molding.

Referring to fig. 11, the back of the connection joint 23 has a cross key 236; this facilitates the grip when mounted.

The assembly process of the spray arm 22 assembly of the present embodiment will now be described.

The fitting part 214 of the water pipe 21 is inserted into the spray arm 22 from the upper end of the spray arm 22, the connection joint 23 is inserted from the lower end of the spray arm 22, at this time, the first protrusion 232 of the connection joint 23 extends into the inner cavity of the fitting part 214, the extension part of the second protrusion 233 of the connection joint 23 passes through the groove part 2146 of the lower ring part 2145 of the fitting part 214, and then the connection joint 23 is rotated to clamp the first limiting part 230 and the second limiting part 2141.

It should be noted that: although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can make modifications and substitutions on the present application, and all technical solutions and modifications thereof without departing from the spirit and scope of the present application should be covered by the claims of the present application.

Claims

1. A spray assembly comprises a water pipe and a spray arm; the water pipe is provided with a first water flow channel, a water inlet end and a water outlet end, and the first water flow channel is communicated with the water inlet end and the water outlet end; the spray arm is provided with a second water flow channel, a water spraying hole and an inflow channel, and the second water flow channel is communicated with the inflow channel and the water spraying hole; the method is characterized in that: the water pipe comprises a matching part, the water outlet end is positioned on the matching part, and the matching part is convexly arranged towards the spraying arm; the inflow channel is in a through hole shape; the spraying assembly further comprises a connecting joint, part of the spraying arm is located between the spraying arm water pipe and the connecting joint, the matching part extends into the inflow channel from the first hole of the inflow channel, at least part of the matching part is located in the through hole, the connecting joint blocks the second hole of the inflow channel, and the free end part of the matching part in the height direction is clamped with the connecting joint; the connection joint can rotate along the circumferential direction of the matching part to release the clamping state.

2. The spray assembly of claim 1, wherein: the connecting joint comprises a first limiting part, the free end part of the matching part in the height direction comprises a second limiting part, one of the first limiting part and the second limiting part is convex, the other one of the first limiting part and the second limiting part is concave, and the first limiting part and the second limiting part are correspondingly matched and clamped; when the connecting joint rotates to the first position, the first limiting part and the second limiting part are unlocked.

3. The spray assembly of claim 2, wherein: the connecting joint further comprises a body part, a first convex part and at least two second convex parts, the first convex part is arranged in a protruding mode from the body part towards the direction of the water pipe, and the upper end face of the body part is abutted to the surface of the second orifice of the inflow channel; the second convex part is connected with the upper end face of the first convex part, and part of the second convex part is arranged in a protruding manner relative to the radial direction of the first convex part; the first limiting part is formed on the second convex part;

4. The spray assembly of claim 3, wherein: defining a part of the second convex part, which protrudes radially relative to the first convex part, as a protruding part, when the first limiting part is convex, the first limiting part protrudes from the bottom surface of the protruding part towards the direction of the body part, and when the first limiting part is concave, the first limiting part is recessed from the bottom surface of the protruding part towards the direction away from the body part; the matching part is provided with an abutting surface, and the bottom surface of the extending part abuts against the abutting surface; when the second limiting portion is convex, the second limiting portion is arranged to be convex from the abutting surface, and when the second limiting portion is concave, the second limiting portion is arranged to be concave from the abutting surface.

5. The spray assembly of claim 4, wherein: the connecting joint further comprises a third convex part, the third convex part is arranged in a protruding mode from the upper end face of the body part, and the third convex part is arranged around the periphery of the first convex part; the cooperation portion includes upper ring portion, lower ring portion and two at least ribs, the rib is connected upper ring portion with lower ring portion, the rib along the circumference dispersion of cooperation portion sets up, first uncovered all take shape in lower ring portion, the up end of lower ring portion sets up to the butt face, the at least part of lower ring portion is located first convex part with between the third convex part.

6. The spray assembly of claim 5, wherein: the lower ring portion comprises a groove portion, the groove portion is arranged from the inner peripheral wall surface of the lower ring portion to the outer peripheral wall surface of the lower ring portion in a recessed mode, two openings of the groove portion are formed in the upper end surface of the lower ring portion and the lower end surface of the lower ring portion respectively, the number of the groove portion is the same as that of the second protruding portions, and the second limiting portion is located on one side of the groove portion.

7. The spray assembly of claim 5 or 6, wherein: and an abutting surface, which is used for abutting against the surface of the second hole, in the upper end surface of the body part is higher than the lower end surface of the lower ring part.

8. The spray assembly of any of claims 3 to 6, wherein: the connecting joint is also provided with an avoiding groove, at least part of the avoiding groove is opposite to the second convex part, and the avoiding groove is sunken from the inner circumferential surface of the third convex part.

9. The spray assembly of claim 8, wherein: the back of the connecting joint is provided with a cross key.

10. The spray assembly of any of claims 1 to 6, wherein: the spray arm comprises a protruding rib, the protruding rib is arranged in a protruding mode from the surface where the second hole is located, the upper end portion of the body portion of the connecting joint is abutted to the free end portion of the protruding rib, and the width of the protruding rib is gradually reduced along the direction from the root portion of the protruding rib to the free end portion of the protruding rib.

11. A dishwasher, characterized by: comprising a spray assembly as claimed in any one of claims 1 to 10.