CN218852646U

CN218852646U - A spray structure and cleaning machine for cleaning machine

Info

Publication number: CN218852646U
Application number: CN202222916338.4U
Authority: CN
Inventors: 黄腾飞; 王吉; 顾洪良
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-14
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a spraying structure for a cleaning machine and the cleaning machine, which comprises a guide seat which is annular, an annular wall surrounds to form an inner cavity, and a water inlet channel communicated with the inner cavity is arranged; the spraying arm is arranged on the flow guide seat, a water flow channel communicated with the inner cavity is formed in the spraying arm, and a spraying hole communicated with the water flow channel is formed in a wall plate of the spraying arm; the inner part of the flow guide seat is hollow to form an air outlet channel positioned at the periphery of the inner cavity, and the flow guide seat is provided with an air inlet communicated with the air outlet channel and an air outlet communicated with the air outlet channel and the inner cavity. Through walking the interior cavity conveying gas of gas passage to water conservancy diversion seat, during gaseous and the water that gets into interior cavity got into the spray arm together, outwards spout through spraying the hole afterwards, mix with the bubble in the spun rivers, when rivers spout to waiting to wash the thing, the bubble in the rivers contacts and waits to wash the thing and take place to break and produce great impact force, can break away the stubborn spot on waiting to wash the thing, has gained better cleaning performance.

Description

A spray structure and cleaning machine for cleaning machine

Technical Field

The utility model belongs to the technical field of the cleaning machine, concretely relates to a spray structure and cleaning machine for cleaning machine.

Background

A washing machine is an apparatus that sprays cold or hot water to dishes to remove dirt adhered to the dishes or fruits and vegetables and wash the dishes or fruits and vegetables. The existing spray type cleaning machine generally realizes the spraying in various directions through the rotation of a spraying arm.

The present spray arm, as the chinese utility model patent that the applicant previously applied for "a spray arm and applied the cleaning machine that has this spray arm", its patent number is ZL202021667078.6 (the grant bulletin number is CN 214484441U) discloses a spray arm including the body, have the runner that extends along body length direction in this body, open on the body diapire have with the runner be linked together the water inlet, open on roof and/or the lateral wall have the hole for water spraying, the body top is provided with can enclose the roof that synthesizes the gas collecting chamber with the body jointly, the gas collecting chamber is linked together with the outside air, the hole for water spraying is located the gas collecting chamber, open on the roof has the spout that corresponds the hole for water spraying, and have the clearance between hole for water spraying upper end and the spout lower extreme, the inside cavity of motor shaft forms the air duct that link up and down, and the upper end and the gas collecting chamber of this air duct are linked together. In the patent, the motor shaft needs to be hollow and penetrates into the gas collection cavity, so that the production cost is high; in addition, still need set up the trompil that supplies the motor shaft to pass at the body roof, the concentricity of trompil and motor shaft requires highly, if the off-centre appears, causes spray arm operation jamming and friction abnormal sound easily. In addition, the gas collection cavity is easy to accumulate water and breed bacteria.

Accordingly, further improvements to existing shower structures are desired.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is to above-mentioned prior art's current situation, thereby provides one kind and can automatic suction gas make smuggle the bubble in the injection rivers secretly with improving the structure that sprays that is used for the cleaning machine of cleaning ability.

The utility model discloses the second technical problem that will solve provides a cleaning machine that has above-mentioned structure of spraying.

The utility model provides a technical scheme that above-mentioned first technical problem adopted is: a spray structure for a cleaning machine comprising:

the guide seat is annular, the inner annular wall of the guide seat surrounds to form an inner cavity, and the guide seat is provided with a water inlet channel communicated with the inner cavity;

the spraying arm is arranged on the flow guide seat, a water flow channel communicated with the inner cavity is formed in the spraying arm, and a spraying hole communicated with the water flow channel is formed in a wall plate of the spraying arm;

the air guide seat is characterized in that an air outlet channel positioned on the periphery of the inner cavity body is formed in the hollow interior of the air guide seat, and the air guide seat is provided with an air inlet communicated with the air outlet channel and an air outlet communicated with the air outlet channel and the inner cavity body.

Through walking the interior cavity conveying gas of gas passage to water conservancy diversion seat, during gaseous and the water that gets into interior cavity got into the spray arm together, spray the hole through the spray arm outwards afterwards, mix with the bubble in the rivers of spraying hole spun, when rivers spout to treating when wasing the thing, the bubble in the rivers contacts to treating that the washing thing takes place to break and produce great impact force, can break away the stubborn spot on treating the washing thing, has gained better cleaning performance.

In order to supply water to the inner cavity of the diversion seat, the water supply device further comprises a volute connected with the diversion seat, a containing cavity communicated with the inner cavity is formed in the volute, a first water inlet is formed in the side wall of the volute, and the containing cavity is located on the upstream of the inner cavity along a water flow path.

In order to facilitate the diversion of the gas towards the gas passing channel, a gas guide channel communicated with the gas passing channel is arranged on the volute, the gas guide channel is positioned on the periphery of the cavity and along the flow path of the gas flow, and the gas guide channel is positioned on the upstream of the gas passing channel.

In order to further supply water to the inner cavity of the diversion seat, the volute is provided with a second water inlet communicated with the inner cavity of the diversion seat, and the second water inlet is independent of the air guide channel.

Preferably, the number of the air guide channels is at least two, and the air guide channels are arranged at intervals along the circumferential direction of the volute and are both communicated with the air outlet channel in a fluid mode.

In order to guide the gas in the gas guide channel into the gas passing channel, the volute is provided with a connecting channel communicated with the gas guide channel, the connecting channel is provided with a gas passing port communicated with the gas inlet, and the connecting channel is positioned between the gas guide channel and the gas inlet along the flow path of the gas flow.

In order to reliably pump water into the containing cavity of the volute through the first water inlet and pump water into the inner cavity of the flow guide seat through the second water inlet, the spraying device further comprises an impeller assembly used for pumping water into a water flow channel of the spraying arm, the impeller assembly comprises an axial-flow impeller positioned in the inner cavity and a centrifugal impeller positioned in the containing cavity of the volute, and the axial-flow impeller and the centrifugal impeller are coaxially arranged and positioned above the centrifugal impeller.

The spray arm is provided with a water inlet pipe at the bottom and a water inlet pipe at the top, but preferably, the spray arm is also provided with a water inlet pipe at the bottom for communicating the water flow channel and the inner cavity, and the air outlet is positioned at the upstream of the inner flow channel of the water inlet pipe along the airflow flowing path.

In order to better introduce the air to the air inlet, the air inlet structure further comprises a fan impeller which is used for enabling the air to enter the air inlet, the fan impeller is arranged to rotate relative to the flow guide seat and is positioned below the flow guide seat, and the fan impeller is positioned at the upstream of the air inlet along the air flow path. In addition, the fan impeller can also be arranged on the guide base.

In order to reliably pump water into the spray arm, the spraying device also comprises a driving mechanism and an impeller assembly used for pumping water into a water flow channel of the spray arm, wherein the impeller assembly and the fan impeller are coaxially arranged and are connected with an output shaft of the driving mechanism, and the output shaft extends along the vertical direction.

Preferably, the fan impeller is located below the impeller assembly, and the impeller assembly is partially located in the inner cavity of the guide base. In addition, the fan wheel may also be disposed above the impeller assembly.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides a cleaning machine with spray structure which characterized in that: the spraying device comprises a box body with a washing chamber inside, wherein a flow guide seat of a spraying structure is relatively fixed at the inner bottom of the box body, and a spraying arm can be rotatably arranged at the upper part of the flow guide seat.

Compared with the prior art, the utility model has the advantages of: this spray structure is through walking the interior cavity conveyor gas of gas channel to water conservancy diversion seat, and gas and the water that gets into interior cavity get into the spray arm together, spray the hole through the spray arm and outwards spray afterwards, mix with the bubble in the rivers of spraying hole spun, spout when rivers to waiting to wash the thing, the bubble in the rivers contacts to waiting to wash the thing and takes place to break and produce great impact force, can break away the stubborn spot on waiting to wash the thing, has gained better cleaning performance.

Drawings

Fig. 1 is a schematic structural diagram of a spraying structure in this embodiment;

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

FIG. 3 is a cross-sectional view from another angle of FIG. 1;

fig. 4 is an enlarged schematic view of the portion I in fig. 3.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the washing machine of the present embodiment is used to wash dishes or fruits and vegetables. The cleaning machine comprises a box body (not shown) and a spraying structure. Wherein, the inside of box has the washing cavity, sprays the structure and sets up the interior bottom at the box.

As shown in fig. 2 to 4, the spraying structure of the present embodiment includes a guiding base 1, a spraying arm 2, a volute 3, an impeller assembly 4, a driving mechanism, and a fan impeller 6. Wherein, the guide seat 1 is annular and fixed at the bottom of the washing chamber. An inner cavity 10 is formed around the inner annular wall of the flow guide seat 1, and a water inlet channel 11 communicated with the inner cavity 10 is formed at the bottom of the flow guide seat 1.

As shown in fig. 2 to 4, the spray arm 2 is rotatably disposed on the upper portion of the pod 1, and the spray arm 2 has a water flow passage 20 communicating with the inner cavity 10 inside, and the wall of the spray arm 2 has a spray hole 201 communicating with the water flow passage 20. In the present embodiment, the shower holes 201 are opened on the top wall of the shower arm 2.

As shown in fig. 1, the spiral casing 3 is located below the diversion seat 1, and the inside of the spiral casing 3 has a containing cavity 30 communicated with the inner cavity 10, and the side wall of the spiral casing 3 has a first water inlet 301, and along the water flow path, the containing cavity 30 is located upstream of the inner cavity 10. The impeller assembly 4 is used for pumping water flowing in through the first water inlet 301 to the impeller assembly 4 in the water flow channel 20 of the spray arm 2, the impeller assembly 4 includes an axial flow impeller 41 located in the inner cavity 10 and a centrifugal impeller 42 located in the cavity 30 of the volute 3, the axial flow impeller 41 and the centrifugal impeller 42 are coaxially arranged and rotate around the axis of the output shaft of the driving mechanism under the driving of the driving mechanism, the driving mechanism of the embodiment is a motor 9, the output shaft 91 of the motor 9 extends along the up-down direction, and the axial flow impeller 41 and the centrifugal impeller 42 are arranged at intervals up and down and are fixedly penetrated on the output shaft 91 of the motor 9. The bottom of the spray arm 2 is provided with a water inlet pipe 21 communicating the water flow channel 20 and the inner cavity 10, so that under the action of the motor 9, the impeller assembly 4 makes the water entering through the first water inlet 301 enter the cavity 30 of the volute 3, and the water is pumped into the water flow channel 20 of the spray arm 2 through the water inlet pipe 21 and finally is sprayed upwards through the spray hole 201.

In addition, as shown in fig. 4, the flow guide seat 1 is hollow inside to form an air passage 12 located at the periphery of the inner cavity 10, and the flow guide seat 1 has an air inlet 121 communicated with the air passage 12 and an air outlet 122 communicated with the air passage 12 and the inner cavity 10. The bottom of the deflector base 1 of the present embodiment is open to form the air inlet 121, and the air inlet 121 is annular.

In order to supply air into the air inlet 121 conveniently, the volute 3 is provided with an air guide channel 31 and a connecting channel 32, the connecting channel 32 is located above the cavity 30, the top of the connecting channel 32 is provided with an air passing port 321 communicated with the air inlet 121, along the air flow path, the connecting channel 32 is located between the air guide channel 31 and the air inlet 121 of the air outlet channel 12, and the air guide channel 31 is located at the upstream of the air outlet channel 12. The air guide passage 31 is formed around the cavity 30 and under the connection passage 32. In the present embodiment, as shown in fig. 2, there are two air guide passages 31, and they are arranged at intervals along the circumferential direction of the scroll casing 3. In addition, the volute 3 has a second water inlet 33 communicated with the inner cavity 10 of the diversion seat 1, and the second water inlet 33 is independent from the air guide channel 31. The second water inlet 33 of this embodiment is located above the cavity 30 and beside the air guide channel 31.

In the embodiment, the guide base 1 is provided with a housing 7, the housing 7 is located below the volute 3, and the housing 7 has a chamber 70 for accommodating the fan wheel 6, so that the fan wheel 6 is located below the guide base 1 and below the impeller assembly 4. The chamber 70 is in fluid communication with the air-guide passage 31 and has an air inlet, along the airflow path, the chamber 70 being located upstream of the air-guide passage 31 and the fan impeller 6 being located upstream of the air inlet 121. The fan impeller 6 is mounted on the output shaft 91 of the motor 9 and is driven by the motor 9 to rotate around the axis of the motor 9, so that the airflow in the chamber 70 can flow into the air inlet 121.

The spraying structure works as follows:

when the motor 9 works, the fan impeller 6 and the impeller assembly 4 work simultaneously, and under the action of the fan impeller 6, airflow can enter the chamber 70 through the air inlet, then sequentially enter the air guide channel 31 through the air guide channel 31 and the connecting channel 32, and then flow into the inner cavity 10 through the air outlet 122, wherein the flow path of the airflow is specifically referred to the direction indicated by the arrow in fig. 2; when the impeller assembly 4 works, water is pumped into the cavity 30 of the volute 3 through the first water inlet 301 under the action of the centrifugal impeller 42 of the impeller assembly 4 and then enters the inner cavity 10, water is pumped into the inner cavity 10 of the guide base 1 through the second water inlet 33 under the action of the axial-flow impeller 41 of the impeller assembly 4, the flow direction of the water flow refers to the direction indicated by a hollow arrow in fig. 3, gas is mixed in the water flow in the inner cavity 10 and then enters the spray arm 2, and then the water flow is sprayed upwards through the spray holes 201 of the spray arm 2, bubbles are mixed in the water flow sprayed out through the spray holes 201, when the water flow is sprayed to objects to be cleaned such as dishes, the bubbles in the water flow contact with the dishes to be broken and generate large impact force, so that tough stains on the dishes can be washed away, and a good cleaning effect is achieved.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be oriented in different directions, the directional terms are used for descriptive purposes and are not intended to be limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter, referred to as a first portion and a second portion) that fluid (gas, liquid or a mixture thereof) can flow along a flow path from the first portion or/and be transported to the second portion, and may be the first portion and the second portion directly connected to each other or indirectly connected to each other through at least one third member, such as a fluid passage, e.g., a pipe, a channel, a duct, a flow guide member, a hole, a groove, or a chamber allowing fluid to flow therethrough, or a combination thereof.

Claims

1. A spray structure for a cleaning machine, comprising:

the flow guide seat (1) is annular, the inner annular wall of the flow guide seat surrounds to form an inner cavity (10), and the flow guide seat is provided with a water inlet channel (11) communicated with the inner cavity (10);

the spray arm (2) is arranged on the flow guide seat (1), a water flow channel (20) communicated with the inner cavity (10) is arranged in the spray arm, and a spray hole (201) communicated with the water flow channel (20) is formed in a wall plate of the spray arm (2);

the air guide seat is characterized in that an air channel (12) positioned at the periphery of the inner cavity (10) is formed in the hollow part of the air guide seat (1), and the air guide seat (1) is provided with an air inlet (121) communicated with the air channel (12) and an air outlet (122) communicated with the air channel (12) and the inner cavity (10).

2. The spray structure of claim 1, wherein: the water flow guide device is characterized by further comprising a volute (3) connected with the flow guide seat (1), a containing cavity (30) communicated with the inner cavity (10) is formed in the volute (3), a first water inlet (301) is formed in the side wall of the volute (3), and along a water flow path, the containing cavity (30) is located on the upstream of the inner cavity (10).

3. The spray structure of claim 2, wherein: the volute (3) is provided with an air guide channel (31) communicated with the air passing channel (12), the air guide channel (31) is located on the peripheral side of the accommodating cavity (30) and along an airflow flowing path, and the air guide channel (31) is located on the upstream of the air passing channel (12).

4. The spray structure of claim 3, wherein: the volute (3) is provided with a second water inlet (33) communicated with the inner cavity (10) of the flow guide seat (1), and the second water inlet (33) and the air guide channel (31) are independent.

5. The spray structure of claim 3, wherein: the number of the air guide channels (31) is at least two, the air guide channels are arranged at intervals along the circumferential direction of the volute (3) and are all in fluid communication with the air passing channel (12).

6. The spray structure of claim 3, wherein: the volute (3) is provided with a connecting channel (32) communicated with the air guide channel (31), the connecting channel (32) is provided with an air passing port (321) communicated with the air inlet (121), and the connecting channel (32) is positioned between the air guide channel (31) and the air inlet (121) along an airflow flow path.

7. The spray structure of claim 2, wherein: the spraying arm (2) is characterized by further comprising an impeller assembly (4) used for pumping water into a water flow channel (20) of the spraying arm (2), wherein the impeller assembly (4) comprises an axial-flow impeller (41) located in the inner cavity (10) and a centrifugal impeller (42) located in a cavity (30) of the volute (3), and the axial-flow impeller (41) and the centrifugal impeller (42) are coaxially arranged and located above the centrifugal impeller (42).

8. The spray structure according to any one of claims 1 to 6, characterized in that: the bottom of the spray arm (2) is provided with a water inlet pipeline (21) communicated with the water flow channel (20) and the inner cavity (10), and the air outlet (122) is positioned at the upstream of the inner flow channel of the water inlet pipeline (21) along the airflow flow path.

9. The spray structure of claim 8, wherein: the fan impeller (6) is used for enabling air flow to enter the air inlet (121), the fan impeller (6) is arranged to rotate relative to the flow guide seat (1), is located below the flow guide seat (1), and is located at the upstream of the air inlet (121) along the air flow path.

10. The spray structure of claim 9, wherein: the spraying device is characterized by further comprising a driving mechanism and an impeller assembly (4) used for pumping water into the water flow channel (20) of the spraying arm (2), wherein the impeller assembly (4) and the fan impeller (6) are coaxially arranged and are connected with an output shaft (91) of the driving mechanism, and the output shaft (91) extends along the vertical direction.

11. The spray structure of claim 10, wherein: the fan impeller (6) is positioned below the impeller assembly (4), and the impeller assembly (4) is partially positioned in the inner cavity (10) of the guide base (1).

12. A cleaning machine having a spray structure as claimed in any one of claims 1 to 11, characterized in that: the washing device comprises a box body with a washing chamber inside, wherein a flow guide seat (1) of a spraying structure is relatively fixed at the inner bottom of the box body, and a spraying arm (2) can be rotatably arranged at the upper part of the flow guide seat (1).