CN217659718U

CN217659718U - Cleaning machine

Info

Publication number: CN217659718U
Application number: CN202221193535.1U
Authority: CN
Inventors: 魏本柱
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-28
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to a cleaning machine, including box, spray arm, impeller, thereby water spray hole department is provided with and can form the aspiration structure of cavitation water column with gaseous suction along with the rivers injection, and the centrifugal blade of spray arm includes long blade and short blade, the diameter of long blade is greater than the diameter of short blade, the impeller divides first portion, the second part that the head and the tail meet into in week, long blade is along circumference interval arrangement in the first portion, short blade is along circumference interval arrangement in the second portion. The spray arm accessible is breathing in more gas at the long blade region that corresponds to form the bigger cavitation water column of bubble density, and in the short blade region that corresponds, the accessible is breathed in the structure and is inhaled a small amount of gas or not inhaled gas, thereby carries less bubble or not carrying gas in making the injection water column, when wasing, through the washing of the two strands of water columns of pulsed intermittent type alternation, can provide better stripping effect to the pollutant, and then improve cleaning performance.

Description

Cleaning machine

Technical Field

The utility model relates to a dish washer technical field specifically indicates a cleaning machine for rinsing tableware.

Background

The applicant's prior patent ZL 202021667078.6 "a spray arm and cleaning machine using the same" discloses a structure, the spray arm includes a body, a flow channel extending along the length direction of the body is provided in the body, a water inlet communicated with the flow channel is provided on the bottom wall of the body, a water spray hole is provided on the top wall and/or the side wall, a top plate capable of enclosing the body together to form a gas collection chamber is provided on the top of the body, the gas collection chamber is communicated with the outside air, the water spray hole is provided in the gas collection chamber, a nozzle corresponding to the water spray hole is provided on the top plate, and a gap is provided between the upper end of the water spray hole and the lower end of the nozzle. According to the venturi effect, in the process that water flow is jetted out through the water spraying holes and the nozzles, air in the air collecting cavity can be sucked into the water column through the gap between the water spraying holes and the nozzles, so that bubbles are entrained in jet flow, and the bubbles can improve the stripping force of dirt and improve the cleaning effect by being broken on the surfaces of dishes or fruits and vegetables.

The structure improves the cleaning effect to a great extent through a cavitation principle, but for the cooking mode with Chinese characteristics, pollutants which are difficult to clean still exist, such as residues on the surface of egg-steaming tableware, and the like, and the problem that the cleaning is difficult to be performed in the current spraying mode and spraying time of spraying water columns by a spraying arm possibly exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, thereby provide a cleaning machine that can form pulsed cavitation water column and improve the cleaning performance.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a cleaning machine, includes the box and locates the spray arm in this box, it has the water inlet to open on the diapire of spray arm, has the hole for water spraying on the roof, thereby the hole for water spraying department is provided with and inhales the aspiration structure of formation cavitation water column with gas along with the rivers injection, thereby be provided with the impeller that is arranged in with the water pump of bottom half to the spray arm under the spray arm, this impeller upper portion is provided with and passes the water inlet and be located the centrifugal blade in the spray arm, and this impeller lower part is provided with the axial compressor blade that is located under the water inlet, its characterized in that: the centrifugal blade comprises a long blade and a short blade, the diameter of the long blade is larger than that of the short blade, the impeller is divided into a first part and a second part which are connected end to end in the circumferential direction, the long blade is arranged in the first part at intervals in the circumferential direction, and the short blade is arranged in the second part at intervals in the circumferential direction.

Preferably, the length of the first part in the circumferential direction is greater than that of the second part in the circumferential direction, and the number of the long blades is not less than that of the short blades. The long blade can provide great water drawing power, the short blade can improve less water drawing power, it is regional to correspond long blade, more gas is inhaled to the accessible suction structure, thereby make bubble density bigger in the jet water post, it is regional to correspond short blade, the accessible suction structure inhales a small amount of gas or does not inhale gas, thereby make and carry less bubble or do not carry gas in the jet water post, during the washing, through the washing of pulsed intermittent type alternating two strands of rivers, can provide better stripping effect to the pollutant, and then improve cleaning performance.

Preferably, the number of the long blades is greater than that of the short blades, and the number of the short blades is 0.3-0.4 times of the total number of the blades. By adopting the structure, the water drawing force and the water drawing time between the large water drawing power and the small water drawing power can be more balanced, and a great number of cleaning effects are obtained.

Preferably, in the circumferential direction, the distance between two adjacent long blades is equal to or less than the distance between two adjacent short blades. By adopting the structure, the water drawing force and the water drawing time between the large water drawing power and the small water drawing power can be further balanced, and a lot of cleaning effects can be obtained.

Preferably, the diameter of the short blade is 80-85% of the diameter of the long blade.

Preferably, the spray arm has a flow channel extending along the length direction, the water inlet is communicated with the flow channel, a top plate is arranged at the top of the spray arm, a gas collection chamber for storing gas is enclosed between the bottom wall of the top plate and the top wall of the spray arm, the water spray holes are distributed in an area corresponding to the gas collection chamber, a nozzle corresponding to the water spray hole is arranged on the top plate, a gap capable of generating suction negative pressure in a water drawing state of the impeller is arranged between the upper end of the water spray hole and the lower end of the nozzle, and an air inlet communicated with the gas collection chamber is arranged at the top and/or the side of the spray arm. The structure jointly forms an air suction structure to realize unpowered self-air suction under the Venturi effect.

Preferably, a first nozzle extending upwards from the edge of the water spraying hole is arranged on the top surface of the spraying arm, and correspondingly, a second nozzle extending along the axial direction of the nozzle is arranged on the top plate. Above-mentioned first nozzle, second nozzle are favorable to guiding rivers, avoid the water column dispersion to form the great water column of jet power.

Preferably, a circular end cover is arranged at the top of the impeller, the tops of the centrifugal blades are mutually jointed with the lower surface of the end cover, the outer edges of the long blades are arranged corresponding to the outer edges of the end cover, and the outer edges of the short blades are positioned in the outer edges of the end cover.

Compared with the prior art, the utility model has the advantages of: the utility model discloses divide the impeller head and the tail first part that connects into in week, the second part, and set up long blade in the first part, set up short blade in the second part, it is regional to correspond long blade, spray arm accessible suction structure inhales more gas, thereby form the bigger cavitation water column of bubble density, it is regional to correspond short blade, accessible suction structure inhales a small amount of gas or does not inhale gas, thereby make and carry less bubble or not carry gas in the injection water column, during the washing, through washing of pulsed intermittent type alternating two water columns, can provide better stripping effect to the pollutant, and then improve the cleaning performance.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a drawing showing the spray arm and the impeller according to an embodiment of the present invention;

fig. 3 is a matching view of the first nozzle and the second nozzle of the spray arm in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of an impeller according to an embodiment of the present invention;

fig. 5 is a bottom view of fig. 4.

Detailed Description

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

As shown in fig. 1 to 5, the cleaning machine of the present embodiment includes a box body 1, a spray arm 2, and an impeller 3, wherein the spray arm 2 is rotatably disposed in the box body 1 and disposed near the bottom of the box body 1, a water inlet 21 is opened on a bottom wall of the spray arm 2, a water spray hole 22 is opened on a top wall of the spray arm 2, an air suction structure capable of sucking air along with water jet to form a cavitation water column is disposed at the water spray hole 22, and the impeller 3 is disposed below the spray arm 2 and used for pumping water at the bottom of the box body 1 into the spray arm 2. The upper part of the impeller 3 is provided with a centrifugal blade 31 penetrating the water inlet 21 and positioned in the spray arm 2, and the lower part of the impeller 3 is provided with an axial flow blade 32 positioned below the water inlet 21.

In the present embodiment, the centrifugal blade 31 includes a long blade 311 and a short blade 312, and the diameter of the long blade 311 is larger than that of the short blade 312. The impeller 3 is divided into a first part 301 and a second part 302 which are connected end to end in the circumferential direction, long blades 311 are arranged in the first part 301 at intervals in the circumferential direction, and short blades 312 are arranged in the second part 302 at intervals in the circumferential direction.

The length of the first portion 301 in the circumferential direction is larger than that of the second portion 302 in the circumferential direction, and the number of the long blades 311 is not less than that of the short blades 312. The long blade 311 can provide great water drawing power, the short blade 312 can improve less water drawing power, more gas can be sucked through the air suction structure corresponding to the long blade 311, so that the density of bubbles in the jet water column is larger, and a small amount of gas or no gas can be sucked through the air suction structure corresponding to the short blade 312, so that less bubbles or no gas is carried in the jet water column.

Specifically, in the present embodiment, the number of the long blades 311 is greater than the number of the short blades 312, and the number of the short blades 312 is 0.3 to 0.4 times of the total number of the blades. The diameter of the short blade 312 is 80-85% of the diameter of the long blade 311. In this embodiment, 5

long blades

311 and 3 short blades 312 are provided. By adopting the structure, the water drawing force and the water drawing time between the large water drawing power and the small water drawing power can be more balanced, and a great number of cleaning effects are obtained. In the circumferential direction, the interval between two adjacent long blades 311 is equal to the interval between two adjacent short blades 312. By adopting the structure, the water drawing force and the water drawing time between the large water drawing power and the small water drawing power can be further balanced by matching the number of the long blades 311 and the short blades 312, and a lot of cleaning effects can be obtained.

The top of the impeller 3 of the present embodiment is provided with a circular end cover 33, the top of the centrifugal blade 31 and the lower surface of the end cover 33 are engaged with each other, the outer edge of the long blade 311 is arranged corresponding to the outer edge of the end cover 33, and the outer edge of the short blade 312 is located inside the outer edge of the end cover 33.

In this embodiment, the spray arm 2 has a flow channel 23 extending along the length direction, the water inlet 21 is communicated with the flow channel 23, a top plate 24 is disposed at the top of the spray arm 2, a gas collecting cavity 25 for storing gas is enclosed between the bottom wall of the top plate 24 and the top wall of the spray arm 2, the water spray holes 22 are distributed in the region corresponding to the gas collecting cavity 25, a nozzle 241 corresponding to the water spray hole 22 is opened on the top plate 24, a gap 26 capable of generating suction negative pressure in the state that the impeller draws water flow is provided between the upper end of the water spray hole 22 and the lower end of the nozzle 241, and an air inlet 27 communicated with the gas collecting cavity 25 is opened at the top and the side edge of the spray arm 2. The structure jointly forms an air suction structure to realize unpowered self-air suction under the Venturi effect.

The top surface of the spray arm 2 is provided with a first nozzle 221 extending upward from the edge of the water spray hole 22, and correspondingly, the top plate 24 is provided with a second nozzle 242 extending axially along the spray opening 241. The first nozzle 221 and the second nozzle 242 are advantageous for guiding the water flow, and prevent the water column from being dispersed, thereby forming a water column with a large jetting force.

This embodiment divides the impeller into end to end's first portion 301 in circumference, second portion 302, and set up long blade 311 in first portion 301, set up short blade 312 in second portion 302, in corresponding long blade 311 region, spray arm 2 accessible suction structure inhales more gas, thereby form the bigger cavitation water column of bubble density, in corresponding short blade 312 region, the accessible suction structure inhales a small amount of gas or does not inhale gas, thereby carry less bubble or do not carry gas in making the injection water column, when wasing, through the washing of pulsed intermittent type alternate two strands of water columns, can provide better stripping effect to the pollutant, and then improve the cleaning performance.

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.

Claims

1. The utility model provides a cleaning machine, includes box (1) and locates spray arm (2) in this box (1), it has water inlet (21) to open on the diapire of spray arm (2), has water hole (22) on the roof to open, thereby water hole (22) department is provided with can be along with the rivers injection with gaseous aspiration structure that forms the cavitation water column that inhales, be provided with impeller (3) that are arranged in with the water pump of box (1) bottom to spray arm (2) under spray arm (2), this impeller (3) upper portion is provided with and passes water inlet (21) and lie in centrifugal blade (31) in spray arm (2), this impeller (3) lower part is provided with axial compressor blade (32) that lie in under water inlet (21), its characterized in that: the centrifugal blade (31) comprises a long blade (311) and a short blade (312), the diameter of the long blade (311) is larger than that of the short blade (312), the impeller (3) is divided into a first part (301) and a second part (302) which are connected end to end in the circumferential direction, the long blade (311) is arranged in the first part (301) at intervals in the circumferential direction, and the short blade (312) is arranged in the second part (302) at intervals in the circumferential direction.

2. The cleaning machine of claim 1, wherein: the length of the first part (301) in the circumferential direction is larger than that of the second part (302), and the number of the long blades (311) is not less than that of the short blades (312).

3. The washing machine as claimed in claim 2, wherein: the number of the long blades (311) is larger than that of the short blades (312), and the number of the short blades (312) is 0.3-0.4 times of the total number of the blades.

4. The washing machine as claimed in claim 2, wherein: in the circumferential direction, the distance between two adjacent long blades (311) is equal to or less than the distance between two adjacent short blades (312).

5. The cleaning machine according to any one of claims 1 to 4, wherein: the diameter of the short blade (312) is 80-85% of that of the long blade (311).

6. The cleaning machine according to any one of claims 1 to 4, characterized in that: the spray arm (2) is provided with a flow channel (23) extending along the length direction, the water inlet (21) is communicated with the flow channel (23), the top of the spray arm (2) is provided with a top plate (24), a gas collecting cavity (25) used for storing gas is enclosed between the bottom wall of the top plate (24) and the top wall of the spray arm (2), the water spraying holes (22) are distributed in an area corresponding to the gas collecting cavity (25), the top plate (24) is provided with a nozzle (241) corresponding to the water spraying holes (22), a gap (26) capable of generating suction negative pressure in a water flow drawing state of the impeller (3) is arranged between the upper end of the water spraying holes (22) and the lower end of the nozzle (241), and the top and/or the side of the spray arm (2) is provided with a gas inlet (27) communicated with the gas collecting cavity (25).

7. The cleaning machine of claim 6, wherein: the top surface of the spray arm (2) is provided with a first nozzle (221) extending upwards from the edge of the water spray hole (22), and correspondingly, the top plate (24) is provided with a second nozzle (242) extending along the axial direction of the spray opening (241).

8. The cleaning machine according to any one of claims 1 to 4, characterized in that: the top of the impeller (3) is provided with a circular end cover (33), the tops of the centrifugal blades (31) are mutually jointed with the lower surface of the end cover (33), the outer edges of the long blades (311) are arranged corresponding to the outer edges of the end cover (33), and the outer edges of the short blades (312) are positioned in the outer edges of the end cover (33).