CN220344353U

CN220344353U - Spraying structure for cleaning machine and cleaning machine

Info

Publication number: CN220344353U
Application number: CN202321508809.6U
Authority: CN
Inventors: 朱文杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2024-01-16
Anticipated expiration: 2033-06-13

Abstract

The utility model relates to a spray structure for a cleaning machine and the cleaning machine, comprising a spray arm, wherein a water flow channel extending along the length direction of the spray arm is arranged in the spray arm, a water inlet communicated with the water flow channel is formed in a first wall plate of the spray arm, and a spray hole is formed in a second wall plate opposite to the first wall plate of the spray arm; and a filter element at least partially positioned within the water flow path and surrounding the periphery of the water inlet, the filter element being positioned upstream of the spray holes along the water flow path. The existence of filter element filters the residue in the rivers, prevents that the residue from blockking up the spraying hole, has reduced the maintenance probability to the spray arm, has obtained better cleaning performance.

Description

Spraying structure for cleaning machine and cleaning machine

Technical Field

The utility model belongs to the technical field of cleaning machines, and particularly relates to a spraying structure for a cleaning machine and the cleaning machine.

Background

A washer is a device that sprays cold water or hot water to dishes to remove dirt adhering to the dishes or fruits and to wash the dishes or fruits. The existing spray type cleaning machine generally realizes the spraying in all directions by rotating a spray arm.

The utility model of China as the prior application of the applicant discloses a spray arm for a cleaning machine and a cleaning machine using the spray arm, wherein patent number ZL202120988032.2 (issued to the public number CN 215838899U) discloses the spray arm for the cleaning machine, the spray arm is provided with a body extending along the length direction, the middle part of the top wall of the body is provided with a water inlet, the body is internally provided with a runner which is communicated with the water inlet and extends along the length direction of the body, the top wall of the body is provided with a spray hole which is communicated with the runner, the side wall of the body is provided with a water outlet which is communicated with the runner and is used for balancing the rotation speed of the spray arm, and the water outlet is arranged close to the end part of the body.

Because the size of the spray hole aperture on the spray arm cannot be too large, pollutants in water flow easily block the spray hole of the spray arm, the cleaning effect is poor after the spray hole is blocked, and the rotating speed of the spray arm can be influenced.

Therefore, there is a need for further improvements to existing spray structures.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a spray structure for a cleaning machine, which reduces the blocking probability of spray holes of a spray arm.

The second technical problem to be solved by the utility model is to provide a cleaning machine with the spraying structure.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a spray structure for cleaning machine, including:

the spray arm is internally provided with a water flow channel extending along the length direction, a water inlet communicated with the water flow channel is formed in a first wall plate of the spray arm, and a spray hole is formed in a second wall plate opposite to the first wall plate;

it is characterized in that the method also comprises the following steps:

and a filter element at least partially positioned within the water flow path and surrounding the periphery of the water inlet, the filter element being positioned upstream of the spray holes along the water flow path.

The filter element may be in various forms, and may be in the form of an integral filter screen or any filter structure in the prior art, but preferably, the filter element includes an annular plate and a first filter screen, at least part of the annular plate and the first filter screen are located in the water flow passage, the annular plate is in the shape of an annular wall extending along the arrangement direction of the first wall plate and the second wall plate, and an extension plate is formed adjacent to the edge of the first wall plate and extends toward the first wall plate, and the extension plate has a mounting opening for mounting the first filter screen therein.

In order to improve the filtering capability, at least two extension plates are arranged at intervals along the circumferential direction of the annular plate.

Preferably, two extension plates are provided, and water outlets are formed between the two extension plates, so that the number of the water outlets is two, and the two water outlets are arranged at intervals along the length direction of the water flow channel.

In order to better adsorb residues and improve the filtering capacity, the filter further comprises a second filter screen, and the annular plate is positioned at the periphery of the second filter screen.

Preferably, the second filter screen and the first filter screen are arranged in a staggered manner.

In order to further improve the filtering capability, at least two second filter screens are arranged at intervals along the circumferential direction of the annular plate.

The first filter screen and the second filter screen may have various structural forms, may have a form in which filter holes are provided, or may have other forms, but preferably, the first filter screen and the second filter screen are each formed of a plurality of filter units sequentially connected along the circumferential direction of the annular plate.

Preferably, the filter unit of the first filter screen is a first filter unit, the filter unit of the second filter screen is a second filter unit, and the cross section of the first filter unit is different from the cross section of the second filter unit in shape.

Further preferably, the cross section of the first filter unit is in a U shape with an opening facing outwards, and the cross section of the second filter unit is in a V shape with an opening facing outwards.

In order to guide the water flow to the second filter screen, thereby further preventing pollutants in the water from blocking the spraying holes, a connecting plate for blocking the opening is arranged at the position, adjacent to the opening of the second wall plate, of the annular plate, and a guide piece for guiding the water to the direction of the second filter screen on the corresponding side is arranged on the surface, facing the first wall plate, of the connecting plate.

Specifically, the cross-sectional area of the flow guiding member gradually increases along a first direction, the first direction is a direction from the first wall plate to the second wall plate, and the outer circumferential surface of the flow guiding member is an arc-shaped surface gradually arched from the first direction to the second wall plate from inside to outside.

For the convenience dismouting filter, then make things convenient for clean filter or change filter, the second wallboard has seted up the assembly port in the position that corresponds the filter, the filter can be shirked and install assembly port department.

For the installation of convenient filter, the filter is including the shutoff can the connecting plate of assembly mouth, the connecting plate sets up the annular plate is kept away from the uncovered department of first wallboard, and is located outside the rivers passageway.

In order to realize the sealing connection of the connecting plate and the second wall plate, a sealing ring for forming sealing between the connecting plate and the second wall plate is arranged between the connecting plate and the second wall plate, and the sealing ring is sleeved on the periphery of the annular plate.

Specifically, be provided with on the lateral wall of extension board along the circumference extension of annular board installation department, be provided with on the inner wall of first wallboard along the length direction of installation department extends for this installation department to put into the extension groove wherein, installation department passes through buckle structure and installs on the corresponding wall of extension groove.

In order to further prevent the spray holes from being blocked, the inner peripheral wall of at least one spray hole is provided with a spiral groove extending along the axial direction of the spray hole in a spiral manner. The small water flow flowing in the spiral groove can play a role in rotating the slag attached to the inner surface of the spray hole, so that pollutants are prevented from being stuck in the spray hole.

Preferably, the axial direction of the spray hole having the spiral groove is a direction gradually inclined outward along the flow direction of the water flow.

The second wall panel may be located above or below the first wall panel, preferably above the first wall panel. The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides a cleaning machine, including box and spray structure, the inside washing cavity that has of box, spray structure is located in the washing cavity, its characterized in that: the spraying structure is the spraying structure.

Compared with the prior art, the utility model has the advantages that: through setting up the filter in the rivers passageway, in the rivers entering rivers passageway through the water inlet back, spray the hole blowout through spraying after the filter filters, the existence of filter filters the residue in the rivers, prevents that the residue from blockking up the spraying hole, has reduced the maintenance probability to the spray arm, has obtained better cleaning performance.

Drawings

Fig. 1 is a schematic structural view of a shower arm according to the present embodiment;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is another angular cross-sectional view of FIG. 1;

fig. 4 is a cross-sectional view of the shower arm of the present embodiment;

FIG. 5 is a schematic view of the filter element of FIG. 1;

fig. 6 is a cross-sectional view of a spray orifice having a spiral groove on the spray arm of fig. 1.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

The cleaning machine of this embodiment is including box and spraying the structure, and the box is inside to have the washing cavity, sprays the structure and is located the washing cavity.

As shown in fig. 1 to 5, the spray structure of the present embodiment includes a spray arm 1, a filter 2, and a seal ring 3. The inside of the spray arm 1 is provided with a water flow channel 10 extending along the length direction, a first wall plate 11 of the spray arm 1 is provided with a water inlet 111 communicated with the water flow channel 10, and the spray arm 1 is provided with a spray hole 121 on a second wall plate 12 opposite to the first wall plate 11. In this embodiment, the second wall plate 12 is located above the first wall plate 11, the water inlet 111 is located at a position adjacent to the center of the first wall plate 11, and the spray holes 121 are plural and are spaced apart along the length direction of the spray arm.

As shown in fig. 3, the filter member 2 is at least partially located in the water flow passage 10 and surrounds the periphery of the water inlet 111, and the filter member 2 is located upstream of the shower holes 121 along the water flow path. Specifically, the filter element 2 includes an annular plate 21, a first filter screen 22, a second filter screen 23, and a connecting plate 24. Wherein a part of the annular plate 21 and the first filter net 22 are located in the water flow channel 10. The aforementioned annular plate 21 has an annular wall shape extending along the arrangement direction of the first wall plate 11 and the second wall plate 12, that is, the annular plate 21 has a vertically extending annular wall shape. The aforementioned annular plate 21 is formed with an extension plate 211 extending toward the first wall plate 11 adjacent to the edge of the first wall plate 11 (the bottom edge of the annular plate 21), the extension plate 211 having a mounting opening in which the first filter screen 22 is mounted.

In the present embodiment, there are two extension plates 211, which are arranged at intervals along the circumferential direction of the annular plate 21. A water outlet 212 is formed between the two extension plates 211, and two water outlets 212 are arranged at intervals along the length direction of the water channel 10.

As shown in fig. 2 to 5, the annular plate 21 is located at the periphery of the second filter screen 23. At least two second filter screens 23 are arranged at intervals along the circumferential direction of the annular plate 21. In this embodiment, two second filter screens 23 are arranged offset from the first filter screen 22. The two first filter screens 22 have the same structure, and the two second filter screens 23 have the same structure, and one of the first filter screens 22 and the second filter screen 23 will be described as an example. The first filter screen 22 and the second filter screen 23 are each formed of a plurality of filter units connected in sequence along the circumferential direction of the annular plate 21. The filter unit of the first filter mesh 22 is a first filter unit 221, the filter unit of the second filter mesh 23 is a second filter unit 231, and the cross section of the first filter unit 221 is different from the cross section of the second filter unit 231 in shape. In this embodiment, the cross section of the first filter unit 221 has a U shape with an opening facing outward, and the cross section of the second filter unit 231 has a V shape with an opening facing outward.

As shown in fig. 2, the annular plate 21 is provided with a connection plate 24 closing the opening of the second wall plate 12 (i.e., the top opening of the annular plate 21), and a guide 241 for guiding water toward the second filter screen on the corresponding side is provided on the surface of the connection plate 24 facing the first wall plate 11 (i.e., the bottom surface of the connection plate 24). The cross-sectional area of the flow guide 241 increases gradually along a first direction, which is a direction from the first wall plate 11 toward the second wall plate 12, i.e., from the bottom up. The outer circumferential surface of the guide member 241 is an arc surface 2411 gradually arched from the inside to the outside in the first direction toward the second wall plate 12.

As shown in fig. 2 and 3, the second wall plate 12 is provided with a fitting opening 122 at a position corresponding to the filter element 2, and the filter element 2 is detachably mounted at the fitting opening 122. The connection plate 24 is located above the water flow passage 10. In order to realize the sealing connection between the connecting plate 24 and the second wall plate, a sealing ring 3 for forming sealing between the connecting plate 24 and the second wall plate 12 is arranged between the connecting plate and the second wall plate, and the sealing ring 3 is sleeved on the periphery of the annular plate 21. In order to realize the detachable installation of the filter element 2 and the spray arm, the outer side wall of the extension plate 211 is provided with two installation parts 2111 extending along the circumferential direction of the annular plate 21, and in the embodiment, the two installation parts 2111 are arranged at intervals along the circumferential direction of the annular plate 21; the first wall plate 11 is provided on its inner wall surface with extension grooves 112 extending in the longitudinal direction of the corresponding mounting portion 2111 for the mounting portion 2111 to be placed therein, one extension groove 112 corresponding to each mounting portion 2111. The mounting portion 2111 is mounted on a corresponding wall surface of the extension groove 112 by a snap-fit structure. The buckle structure has two at least groups, and along the circumference interval arrangement of annular plate. The structures of the snap structures of each group are the same, and one group will be described as an example. The fastening structure includes a fastening portion and a fastening groove, the fastening portion is disposed on the mounting portion 2111, and the fastening groove is disposed on a wall surface corresponding to the extending groove 112.

As shown in fig. 6, a spiral groove 1211 extending spirally along the axial direction of the shower hole 121 is formed in the inner peripheral wall of at least one shower hole 121. The axial direction of the shower hole 121 having the spiral groove is a direction gradually inclined outward in the flow direction of the water flow.

Claims

1. A spray structure for cleaning machine, including:

the spray arm (1) is internally provided with a water flow channel (10) extending along the length direction, a water inlet (111) communicated with the water flow channel (10) is formed in a first wall plate (11) of the spray arm (1), and a spray hole (121) is formed in a second wall plate (12) opposite to the first wall plate (11);

it is characterized in that the method also comprises the following steps:

-a filter element (2) at least partially located within the water flow channel (10) and surrounding the periphery of the water inlet (111), the filter element (2) being located upstream of the spray holes (121) along the water flow path.

2. The spray structure of claim 1, wherein: the filter element (2) comprises an annular plate (21) and a first filter screen (22), at least part of the annular plate (21) and the first filter screen (22) are positioned in the water flow channel (10), the annular plate (21) is in an annular wall shape extending along the arrangement direction of the first wall plate (11) and the second wall plate (12), the annular plate (21) is adjacent to the edge of the first wall plate (11) and extends towards the first wall plate (11) to form an extension plate (211), and the extension plate (211) is provided with a mounting opening for the first filter screen (22) to be mounted in.

3. The spray structure of claim 2, wherein: at least two extension plates (211) are arranged at intervals along the circumferential direction of the annular plate (21).

4. A spray structure according to claim 3, wherein: two extension plates (211) and a water outlet (212) are formed between the two extension plates, and the two water outlets (212) are arranged at intervals along the length direction of the water flow channel (10).

5. The spray structure of claim 2, wherein: the novel air conditioner further comprises a second filter screen (23), and the annular plate (21) is positioned on the periphery of the second filter screen (23).

6. The spray structure of claim 5, wherein: the second filter screen (23) and the first filter screen (22) are arranged in a staggered mode.

7. The spray structure of claim 6, wherein: at least two second filter screens (23) are arranged at intervals along the circumferential direction of the annular plate (21).

8. The spray structure of claim 5, wherein: the first filter screen (22) and the second filter screen (23) are each formed by a plurality of filter units which are sequentially connected along the circumferential direction of the annular plate (21).

9. The spray structure of claim 8, wherein: the filtering unit of the first filtering net (22) is a first filtering unit (221), the filtering unit of the second filtering net (23) is a second filtering unit (231), and the cross section of the first filtering unit (221) is different from the cross section of the second filtering unit (231).

10. The spray structure of claim 9, wherein: the cross section of the first filter unit (221) is in a U shape with an opening outwards, and the cross section of the second filter unit (231) is in a V shape with an opening outwards.

11. The spray structure of claim 5, wherein: the annular plate (21) is provided with a connecting plate (24) for blocking the opening adjacent to the opening of the second wall plate (12), and a flow guide (241) for guiding water to the direction of the second filter screen (23) on the corresponding side is arranged on the surface of the connecting plate (24) facing the first wall plate (11).

12. The spray structure of claim 11, wherein: the cross-sectional area of the flow guide member (241) gradually increases along a first direction, the first direction is a direction from the first wall plate (11) towards the second wall plate (12), and the outer peripheral surface of the flow guide member (241) is an arc-shaped surface (2411) gradually arched from the first direction towards the second wall plate (12) from inside to outside.

13. The spray structure of claim 2, wherein: the second wall plate (12) is provided with an assembly port (122) at a position corresponding to the filter element (2), and the filter element (2) is detachably arranged at the assembly port (122).

14. The spray structure of claim 13, wherein: the filter element (2) comprises a connecting plate (24) capable of blocking the assembly opening (122), and the connecting plate (24) is arranged at the opening of the annular plate (21) away from the first wall plate (11) and is positioned outside the water flow channel (10).

15. The spray structure of claim 14, wherein: a sealing ring (3) for forming sealing between the connecting plate (24) and the second wall plate (12) is arranged between the connecting plate and the second wall plate, and the sealing ring (3) is sleeved on the periphery of the annular plate (21).

16. The spray structure of claim 13, wherein: the outer side wall of the extension plate (211) is provided with an installation part (2111) extending along the circumferential direction of the annular plate (21), the inner wall surface of the first wall plate (11) is provided with an extension groove (112) extending along the length direction of the installation part (2111) so as to enable the installation part (2111) to be placed in the extension groove, and the installation part (2111) is installed on the corresponding wall surface of the extension groove (112) through a fastening structure.

17. The spray structure of claim 1, wherein: at least one of the spray holes (121) has a spiral groove (1211) formed in the inner peripheral wall thereof and extending spirally along the axial direction of the spray hole (121).

18. The spray structure of claim 17, wherein: the axial direction of the spray hole having the spiral groove (1211) is a direction gradually inclined outward along the flow direction of the water flow.

19. The spray structure of any one of claims 1 to 18, wherein: the second wall plate (12) is located above the first wall plate (11).

20. The utility model provides a cleaning machine, including box and spray structure, the inside washing cavity that has of box, spray structure is located in the washing cavity, its characterized in that: the spray structure is as claimed in any one of claims 1 to 19.