CN212972882U

CN212972882U - Double-layer spraying system and cleaning machine with same

Info

Publication number: CN212972882U
Application number: CN202020231942.1U
Authority: CN
Inventors: 施郑赞; 刁硕; 韩健健; 陆泽杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2021-04-16
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a double-deck spraying system, including first spray arm and impeller subassembly, the inside cavity of first spray arm forms the chamber that catchments, and it has the first water inlet that supplies water to get into in the chamber that catchments to open on the wall under the first spray arm, and first water inlet is located the chamber that catchments, lower part position first spray arm below is passed on impeller subassembly's upper portion, still including the second spray arm of locating first spray arm top, and this second spray arm is through the chamber fluid intercommunication that catchments of water delivery passageway and first spray arm, it has the delivery port that supplies water to get into in the water delivery passageway to open on the roof of first spray arm. When the utility model is used, the impeller component draws water into the water collecting cavity of the first spray arm, and the water flow is sprayed out after being dispersed by the upper part of the impeller component to carry out lower layer spraying; meanwhile, water in the water collecting cavity enters the second spray arm above the water collecting cavity through the water delivery channel to spray on the upper layer, so that double-layer spraying is realized. The cleaning machine with the double-layer spraying system has the advantages that the spraying range is enlarged, the cleaning dead angle can be eliminated, and the cleaning effect is improved.

Description

Double-layer spraying system and cleaning machine with same

Technical Field

The utility model relates to a double-deck spraying system and applied cleaning machine that has this spraying system.

Background

With the increasing living standard of people, the dish washing machine is used as a kitchen household appliance and is more and more introduced into families. The dish-washing machines on the market at present are generally divided into a table type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the table type dish-washing machine is an integral independent structure and is generally placed on a table top for use; the cabinet type dish washing machine is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the sink dishwasher is combined with a sink and is generally installed in a kitchen cabinet for use.

The above-mentioned various types of dish-washing machines generally achieve the cleaning action by lifting water up by a water pump and spraying it to the dishes, fruits and vegetables in the cleaning space, and a single-layer spraying system is adopted, and its impeller is only in accordance with the flow rate and pressure required by the single-layer spraying system. When the tableware washing machine works, tableware is arranged above the spray arm, and water flow sprayed by the spray arm washes the tableware from bottom to top. Because the washing rivers only have the impact force in limited direction, so current basin dish washer is put and the tableware appearance requirement is very high to user's tableware, and the tableware is put incorrectly or the tableware shape mismatch can lead to the cleanliness factor unsatisfactory, and when the tableware puts under the exact scene, the tableware top of part shape also probably has impurity to remain, influences washing effect and user experience.

The double-layer spraying system which sprays vertically and simultaneously can effectively improve the cleaning effect, and therefore, the structure which can meet the flow and pressure required by the double-layer spraying system is particularly necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem to prior art's current situation, thereby provide one kind and can provide the double-deck spraying system that upper and lower layer steady water flow improves the cleaning performance.

The utility model discloses another technical problem that will solve is to prior art's current situation, provides an use cleaning machine that has above-mentioned spraying system, and this cleaning machine can effectively eliminate and wash the dead angle, improve the cleaning performance.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a double-deck spraying system, includes first spray arm and impeller component, the inside cavity of first spray arm forms the chamber that catchments, it has the first water inlet that supplies water to get into in the chamber that catchments to open on the wall under the first spray arm, impeller component's upper portion is passed first water inlet and is located the chamber that catchments, the lower part is located first spray arm below for pump water in the chamber that catchments to first spray arm, its characterized in that: the spray gun further comprises a second spray arm arranged above the first spray arm, the second spray arm is communicated with the water collecting cavity of the first spray arm through a water delivery channel, and a water outlet for water to enter the water delivery channel is formed in the top wall of the first spray arm.

Preferably, the water delivery channel is vertically arranged above the central part of the first spray arm, the lower port of the water delivery channel surrounds the periphery of the water outlet, the lower wall surface of the second spray arm is provided with a second water inlet, and the second water inlet is connected with the upper port of the water delivery channel. The structure is beneficial to shortening the upward stroke of water flow and reducing the capacity loss.

Preferably, an axial flow impeller capable of drawing water upwards is arranged in the water delivery channel, the axial flow impeller comprises a shaft positioned in the middle and blades distributed at the periphery of the shaft at intervals, and the lower end of the shaft penetrates through the water outlet to be connected with the impeller assembly and rotates synchronously with the impeller assembly. The axial flow impeller is arranged, so that the upward conveying force of water flow can be improved, and the second spray arm is ensured to have larger water flow.

As an improvement, the upper part of the shaft and the inner part of the blade are hollow to form an inner cavity communicated with each other, the lower part of the shaft is provided with an input port communicated with the inner cavity and a water outlet, and the blade is provided with an output port for outputting fluid in the inner cavity. After the cleaning machine finishes cleaning, the spraying system continues to operate, air can be conveyed into the first spraying arm, and is output to the water conveying channel through the blades through the inner cavity, and the air is further driven by the blades to rapidly move upwards to be sprayed out through the second spraying arm, so that dishes and the like in the cleaning machine are dried.

Preferably, the outer peripheral wall of the lower part of the shaft extends outwards to form a cover body with an inverted U-shaped cross section, the lower edge of the cover body is close to the upper wall surface of the first spray arm so as to form a gathering cavity with the first spray arm, and the input port is arranged at the joint of the cover body and the shaft so as to enable the gathering cavity to be communicated with the inner cavity. The structure is beneficial to improving the ascending water pressure/air pressure, improving the water flow impact force/gas flow velocity and further improving the upper layer cleaning effect/drying effect.

The utility model provides an use cleaning machine that has above-mentioned double-deck spraying system, includes the box, and the inside middle part of this box forms washing chamber, its characterized in that: the double-layer spraying system is arranged in the washing cavity, a driving piece for driving the impeller assembly to rotate is arranged on the outer side of the bottom of the box body, and the output end of the driving piece penetrates through the bottom wall of the box body and extends into the washing cavity to be connected with the impeller assembly.

Compared with the prior art, the utility model has the advantages of: when the utility model is used, the impeller component draws water into the water collecting cavity of the first spray arm, and the water flow is sprayed out after being dispersed by the upper part of the impeller component to carry out lower layer spraying; meanwhile, water in the water collecting cavity enters the second spray arm above the water collecting cavity through the water delivery channel to spray on the upper layer, so that double-layer spraying is realized. The cleaning machine with the double-layer spraying system has the advantages that the spraying range is enlarged, the cleaning dead angle can be eliminated, and the cleaning effect is improved.

Drawings

Fig. 1 is a schematic structural view of a double-layer spraying system in an embodiment of the present invention;

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

FIG. 3 is a schematic structural view of the axial flow impeller of FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is a schematic structural diagram of a cleaning machine according to an embodiment of the present invention.

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 double-layer spraying system of the present embodiment includes a first spraying arm 1, an impeller assembly 3 and a second spraying arm 2, the first spraying arm 1 has a body extending along a length direction, the inside of the body is hollow to form flow channels extending from the middle to two ends along the length direction, a circular water collecting cavity 10 communicated with water inlet ends of the two flow channels is formed in the middle of the body, a water spraying hole is formed in an upper wall surface of the first spraying arm 1, a first water inlet 13 communicated with the water collecting cavity 10 is formed in a central portion of a lower wall surface of the first spraying arm 1, and the impeller assembly 3 is used for pumping water into the first spraying arm 1. The impeller assembly 3 comprises an impeller 31 of a centrifugal structure at the upper part and an impeller 32 of an axial flow structure at the lower part, the impeller 31 of the centrifugal structure is rotatably arranged in the water collecting cavity 10 and is used for dispersing water in the water collecting cavity 10 along the circumferential direction, so that water flow keeps high water pressure and enters a flow channel, and the impeller 32 of the axial flow structure is arranged below the first water inlet 13 and is used for drawing water below the first spray arm 1 upwards into the water collecting cavity 10.

The second spray arm 2 of the present embodiment is arranged above the first spray arm 1 at a distance, and the second spray arm 2 is in fluid communication with the water collection chamber 10 of the first spray arm 1 via the water delivery channel 4. The top wall of the first spray arm 1 is provided with a water outlet 11 for water to enter the water delivery channel 4. The water delivery channel 4 is vertically arranged above the central part of the first spray arm 1, the lower port of the water delivery channel is arranged around the periphery of the water outlet 11, the lower wall surface of the second spray arm 2 is provided with a second water inlet 21, the second water inlet 21 is connected with the upper port of the water delivery channel 4, and the structure is favorable for shortening the upward stroke of water flow and reducing the capacity loss.

In this embodiment, an axial flow impeller 5 capable of drawing water upwards is disposed in the water delivery channel 4, the axial flow impeller 5 includes a shaft 51 located in the middle and blades 52 distributed at intervals on the outer periphery of the shaft 51, and the lower end of the shaft 51 passes through the water outlet 11 to be connected with the shaft of the centrifugal impeller 31 and rotates synchronously with the impeller assembly 3. The axial flow impeller 5 is arranged, so that the upward conveying force of water flow can be improved, and the second spray arm 2 is ensured to have larger water flow.

The upper part of the shaft 51 and the blade 52 are hollow to form an inner cavity 50 communicated with each other, the lower part of the shaft 51 is provided with an input port 501 for communicating the inner cavity 50 with the water outlet 11, and the blade 51 is provided with an output port 502 for outputting the fluid in the inner cavity 50. After the washing machine finishes washing, the spraying system continues to operate, so that air in the washing machine can be conveyed into the first spraying arm 1, is output into the water conveying channel 4 through the inner cavity 50 through the blades 52, is further driven by the blades 52 to rapidly move upwards and is sprayed out through the second spraying arm 2, and dishes and the like in the washing machine are dried. The outer peripheral wall of the lower part of the shaft 51 extends outwards to form a cover body 511 with an inverted U-shaped cross section, the lower edge of the cover body 511 is close to the upper wall surface of the first spray arm 1 so as to form a gathering cavity 510 with the upper wall surface, and the input port 501 is arranged at the joint of the cover body 511 and the shaft 51 so as to enable the gathering cavity 510 to be communicated with the inner cavity 50. The structure is beneficial to improving the ascending water pressure/air pressure, improving the water flow impact force/gas flow velocity and further improving the upper layer cleaning effect/drying effect.

As shown in fig. 5, the cleaning machine applied with the above-mentioned double-layer spraying system in this embodiment includes a box 6, a washing chamber 61 is formed in the middle inside the box 6, a double-layer spraying system a is disposed in the washing chamber 61, the first spray arm 1 is rotatably supported on the inner bottom wall of the box 6 through a diversion seat, a driving member 7 for driving the impeller assembly 3 to rotate is disposed outside the bottom of the box 6, the driving member 7 is a motor, and an output shaft 71 of the motor penetrates through the bottom wall of the box 6 and extends into the washing chamber 61 to be connected with a shaft of the impeller assembly 3, so as to drive the impeller assembly 3 to rotate.

When the spraying device is used, the impeller component 3 sucks water into the water collecting cavity 10 of the first spraying arm 1, water flow is sprayed out after being dispersed through the upper part of the impeller component 3, and lower-layer spraying is carried out; meanwhile, water in the water collecting cavity 10 enters the second spray arm 2 above the water collecting cavity through the water delivery channel 4 to spray on the upper layer, so that double-layer spraying is realized.

Claims

1. The utility model provides a double-deck spraying system, includes first spray arm (1) and impeller subassembly (3), the inside cavity of first spray arm (1) forms chamber (10) that catchments, it has water supply to get into first water inlet (13) in chamber (10) that catchments to open on the wall under first spray arm (1), the upper portion of impeller subassembly (3) is passed first water inlet (13) and is located chamber (10) that catchments, lower part are located first spray arm (1) below for pump water in chamber (10) that catchments to first spray arm (1), its characterized in that: the spraying device is characterized by further comprising a second spraying arm (2) arranged above the first spraying arm (1), the second spraying arm (2) is in fluid communication with a water collecting cavity (10) of the first spraying arm (1) through a water delivery channel (4), and a water outlet (11) for water to enter the water delivery channel (4) is formed in the top wall of the first spraying arm (1).

2. The dual layer spray system of claim 1, wherein: the water delivery channel (4) is vertically arranged above the central part of the first spray arm (1), the lower port of the water delivery channel surrounds the periphery of the water outlet (11), the lower wall surface of the second spray arm (2) is provided with a second water inlet (21), and the second water inlet (21) is connected with the upper port of the water delivery channel (4).

3. The dual layer spray system of claim 2, wherein: the water delivery channel (4) is internally provided with an axial flow impeller (5) capable of drawing water upwards, the axial flow impeller (5) comprises a shaft (51) positioned in the middle and blades (52) distributed at the periphery of the shaft (51) at intervals, and the lower end of the shaft (51) penetrates through the water outlet (11) to be connected with the impeller assembly (3) and synchronously rotates along with the impeller assembly (3).

4. The dual layer spray system of claim 3, wherein: the upper part of the shaft (51) and the inner part of the blade (52) are hollow to form an inner cavity (50) communicated with each other, the lower part of the shaft (51) is provided with an input port (501) for communicating the inner cavity (50) with the water outlet (11), and the blade (52) is provided with an output port (502) for outputting the fluid in the inner cavity (50).

5. The dual layer spray system of claim 4, wherein: the outer peripheral wall of the lower portion of the shaft (51) extends outwards to form a cover body (511) with an inverted U-shaped cross section, the lower edge of the cover body (511) is close to the upper wall surface of the first spray arm (1) to form a gathering cavity (510) with the upper wall surface, and the input port (501) is arranged at the joint of the cover body (511) and the shaft (51) to enable the gathering cavity (510) to be communicated with the inner cavity (50).

6. A cleaning machine applying the double-layer spraying system of any one of claims 1 to 5, comprising a box body (6), wherein a washing cavity (61) is formed in the middle of the inside of the box body (6), and the cleaning machine is characterized in that: the double-layer spraying system (a) is arranged in the washing cavity (61), a driving piece (7) used for driving the impeller assembly (3) to rotate is arranged on the outer side of the bottom of the box body (6), and the output end of the driving piece (7) penetrates through the bottom wall of the box body (6) to extend into the washing cavity (61) and be connected with the impeller assembly (3).