CN218542690U

CN218542690U - Impeller structure and water pump and cleaning machine with same

Info

Publication number: CN218542690U
Application number: CN202222625902.7U
Authority: CN
Inventors: 韩健健; 施郑赞
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-28
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to an impeller structure and applied water pump, cleaning machine that have this impeller structure, impeller structure include upper cover plate, lower apron and blade, interval arrangement about upper cover plate and the lower apron, the blade is a plurality of and interval arrangement at the upper cover plate under and between the apron, it has the water inlet to open on the apron down, form the delivery port between upper cover plate edge and the lower apron edge, the blade includes main blade and auxiliary blade, looks from overlooking the angle, main blade is from the inner to outer along anticlockwise spiral extension and the inner corresponding water inlet of edge and arranges, auxiliary blade locates between the adjacent two main blades and the screw direction is the same with main blade, auxiliary blade's length is less than main blade's length, the inner arranges outside corresponding the water inlet. The utility model discloses all keep two way water supplies to have great discharge and injection lift after the reposition of redundant personnel to satisfied on simplifying water pump overall structure's basis, improved pump water effect and cleaning performance.

Description

Impeller structure and water pump and cleaning machine using same

Technical Field

The utility model relates to a dish washer technical field specifically indicates an impeller structure and applied water pump, the cleaning machine that has this impeller structure.

Background

With the improvement of living standard of people, the dish washing machine is gradually becoming a common device in the kitchen. The impeller structure is an indispensable component of a water pumping mechanism in the dish washing machine, and how to directly relate to the cleaning effect.

The applicant's prior patent ZL 202023352186.7 "an impeller structure and a dual pump system, a cleaning machine" discloses a structure, the impeller structure has a shaft sleeve located at the center and a plurality of blades circumferentially spaced on the peripheral wall of the shaft sleeve, the shaft sleeve has a front cover plate and a rear cover plate which are spaced along the shaft sleeve, the blades are arranged between the front cover plate and the rear cover plate, and the central part of the front cover plate is provided with a water inlet. The impeller structure is mainly used in a double-pump system developed by the applicant, is arranged in a sealed pump shell, provides power for upper-layer spraying water, and is beneficial to improving the lift and water flow of the upper-layer spraying water.

When above-mentioned impeller structure is arranged in closed pump case, mainly used carries rivers, provides power in circumference, and to the water pump that has existing circumference in a pump case and carry rivers demand, have the upwards reposition of redundant personnel discharge demand of circumference again, the requirement to the flow is higher, above-mentioned current impeller structure is difficult to satisfy the pump water demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem is to prior art's current situation, thereby provide one kind and can effectively improve discharge and satisfy pump water demand, improve cleaning performance's impeller structure.

The utility model aims to solve the second technical problem to provide a water pump that uses above-mentioned impeller structure to the current situation of prior art, this water pump can utilize one to draw the water impeller and satisfy two way water supply demands and keep great discharge and then improve the cleaning performance simultaneously.

The utility model aims to solve the third technical problem is to prior art's current situation, provides an use cleaning machine that has above-mentioned water pump.

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

the utility model provides an impeller structure, includes upper cover plate, lower apron and blade, upper cover plate and lower interval arrangement of apron down, the blade is a plurality of and interval arrangement between upper cover plate and lower apron, it has the water inlet to open on the apron down, form the delivery port between upper cover plate edge and the lower apron edge, the blade includes main blade and auxiliary blade, looks from overlooking the angle, main blade extends and the inner corresponds the water inlet along anticlockwise spiral from inner to outer end and arranges, auxiliary blade locates between the adjacent two main blades and the spiral direction is the same with main blade, the length of auxiliary blade is less than main blade's length, arranges outside the inner corresponds the water inlet.

Preferably, the upper cover plate is provided with a shaft sleeve extending downwards towards the water inlet, the inner end of the main blade is connected with the outer surface of the shaft sleeve, and a space is reserved between the inner end of the auxiliary blade and the shaft sleeve. This structure can effectively raise the efficiency and lift, compromise the high efficiency and fall and make an uproar, avoid the higher interval of noise.

Preferably, the outer ends of the main blade and the auxiliary blade are respectively aligned with the outer edges of the upper cover plate and the lower cover plate. The structure is beneficial to reducing energy loss and improving the lift.

Preferably, the upper cover plate gradually extends downwards from the edge to the central part, the extension area corresponding to the peripheral part of the water inlet forms a first flow guide structure, and the extension area corresponding to the inner side part of the water inlet forms a shaft sleeve penetrating through the water inlet. Preferably, the lower cover plate gradually extends downwards from the edge to the water inlet, a second flow guide structure corresponding to the first flow guide structure is formed on the part of the lower cover plate, which is positioned on the periphery of the water inlet, a flow guide sleeve sleeved on the periphery of the shaft sleeve is formed on the part of the lower cover plate, which corresponds to the water inlet, and the water inlet is formed between the inner wall surface of the flow guide sleeve and the outer wall surface of the shaft sleeve. The blade structure of the embodiment enables the rotating speed allowance to meet the full-load operation of the motor, is beneficial to reducing the energy loss of fluid, improving the water drawing power and increasing the water pressure and flow.

Preferably, the lower end of the shaft sleeve is flush with the lower end of the flow guide sleeve.

A water pump comprises a pump shell, wherein a water suction port is formed in the bottom of the pump shell, a first water outlet is formed in the top of the pump shell, and a second water outlet is formed in the side of the pump shell; further comprising:

the guide vane is arranged in the pump shell and divides an inner cavity of the pump shell into an upper cavity and a lower cavity, the first water outlet is communicated with the upper cavity, the second water outlet is communicated with the lower cavity, and the edge of the guide vane is provided with a water guide port for supplying water from the lower cavity into the upper cavity; and

the impeller structure can be rotatably arranged in the lower cavity and is used for sucking water below the pump shell into the lower cavity through the water suction port, and pumping the water in the lower cavity into the upper cavity through the water guide port, further pumping out the water through the first water outlet and directly pumping out the water through the second water outlet; at least part of the lower cover plate extends from outside to inside along the radial direction and from top to bottom to form a downward-probing water inlet, the water inlet is positioned below the water suction port, and the water suction port is arranged corresponding to the peripheral wall of the lower cover plate on the periphery of the water inlet.

Preferably, the guide vane comprises a cover plate and a side plate extending downwards around the edge of the cover plate, the side plate forms an open-loop structure in the circumferential direction of the cover plate, an opening of the side plate is arranged corresponding to the second water outlet, and the water guide opening is formed in the side plate and penetrates through the cover plate upwards. By adopting the structure, the guide vane does not move, but the cover plate and the side plate of the guide vane are matched with the inner wall of the pump shell to jointly enclose a lower cavity with the functions of water absorption and water pressing, in the rotation process of the impeller, one part of water flow is output through the second water outlet along with the rotation of the impeller so as to the side part of the pump shell, the other part of water flow passes through the water guide port on the side plate to upwards enter the upper cavity and upwards be conveyed through the first water outlet at the top of the pump shell, the two-way flow division of water is realized through a simple structure, the matching degree of the flow dividing mode and the water drawing direction of the impeller is high, the reduction of the energy loss of fluid is facilitated, and the higher injection lift is kept.

The utility model provides a cleaning machine, includes box, first spray arm and second spray arm, still includes above-mentioned rivers system, the bottom half is provided with recessed return water region, and the top in this return water region covers there is the filter, the return water region is located to the pump case, the clearance of absorbing water has between the water sucking mouth of pump case bottom and the return water region bottom, the first delivery port at pump case top is located on the filter and is linked together with the water inlet of first spray arm, the second spray arm is located upper portion and is linked together through the second delivery port of water supply pipe and pump case in the box.

Compared with the prior art, the utility model has the advantages of: the utility model provides an impeller structure and water pump, cleaning machine for open water pump, impeller structure are arranged in open water pump, with stator structure cooperation, only utilize an impeller, just can satisfy two way water supply demands simultaneously to, all keep two way water supplies to have great discharge and jet lift after the reposition of redundant personnel, thereby satisfied on the basis of simplifying water pump overall structure, improved pump water effect and cleaning performance.

Drawings

Fig. 1 is a schematic structural view of an impeller structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;

fig. 3 is a cross-sectional view (cross-sectional) of an impeller structure according to an embodiment of the present invention;

fig. 4 is a sectional view (longitudinal section) of an impeller structure according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a water pump according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of FIG. 5;

fig. 7 is another sectional view of fig. 5.

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 impeller structure of this embodiment includes an upper cover plate 1, a lower cover plate 2 and a plurality of blades 3, the upper cover plate 1 and the lower cover plate 2 are arranged at intervals from top to bottom, the blades 3 are arranged between the upper cover plate 1 and the lower cover plate 2 at intervals, the lower cover plate 2 is provided with a water inlet 21, and a water outlet 22 is formed between the edge of the upper cover plate 1 and the edge of the lower cover plate 2.

The blade 3 of this embodiment includes main blade 31 and auxiliary blade 32, and from overlooking the angle, main blade 31 is from the inner to outside end along anticlockwise spiral extension and the inner corresponds water inlet 21 and arranges, and auxiliary blade 32 locates between two adjacent main blade 31 and the spiral direction is the same with main blade 31, and the length of auxiliary blade 32 is less than the length of main blade 31, the inner corresponds outside water inlet 22 and arranges.

Upper cover plate 1 is provided with the axle sleeve 13 that extends towards water inlet 21 downwards, and the inner of main blade 31 links up with this axle sleeve 13's surface mutually, has the interval between the inner of vice blade 32 and the axle sleeve 13, and this structure can effectively raise the efficiency and the lift, compromises the high efficiency and falls the noise, avoids the higher interval of noise. The outer ends of the main blade 31 and the auxiliary blade 32 are respectively aligned with the outer edges of the upper cover plate 1 and the lower cover plate 2, and the structure is favorable for reducing energy loss and improving the lift.

The upper cover plate 1 gradually extends downwards from the edge to the central part, a first flow guide structure 11 is formed corresponding to the extension area of the peripheral part of the water inlet 21, and a shaft sleeve 13 penetrating through the water inlet 21 is formed corresponding to the extension area of the inner side part of the water inlet 21. The lower cover plate 2 gradually extends downwards from the edge to the water inlet 21, the part of the lower cover plate located at the periphery of the water inlet 21 forms a second flow guide structure 22 corresponding to the first flow guide structure 11, the part corresponding to the water inlet 21 forms a flow guide sleeve 23 sleeved on the periphery of the shaft sleeve 13, and the water inlet 21 is formed between the inner wall surface of the flow guide sleeve 23 and the outer wall surface of the shaft sleeve 13. The lower end of the shaft sleeve 13 is flush with the lower end of the flow guide sleeve 23. The blade structure of the embodiment enables the rotating speed allowance to meet the full-load operation of the motor, is beneficial to reducing the energy loss of fluid, improving the water drawing power and increasing the water pressure and flow.

The water pump of the present embodiment is an open water pump, and as shown in fig. 5, 6, and 7, includes a pump housing 4, a guide vane 5, and the above-described impeller structure. The bottom of the pump shell 4 is provided with a water suction port 41, the top is provided with a first water outlet 42, and the side part is provided with a second water outlet 43. The guide vane 5 is arranged in the pump shell 4 and divides the inner cavity of the pump shell 4 into an upper cavity 401 and a lower cavity 402, the first water outlet 42 is communicated with the upper cavity 401, the second water outlet 43 is communicated with the lower cavity 402, and the edge of the guide vane 5 is provided with a water guide opening 51 for supplying water from the lower cavity 402 into the upper cavity 401. The impeller structure is rotatably arranged in the lower cavity 402 and is used for sucking water below the pump shell 4 into the lower cavity 402 through the water suction port 41, and sucking the water in the lower cavity 402 into the upper cavity 401 through the water guide port 51 so as to be sucked out through the first water outlet 42 and directly through the second water outlet 43.

The guide vane 5 includes a cover plate 52 and a side plate 53 extending downward around the edge of the cover plate 52, the side plate 53 forms an open-loop structure in the circumferential direction of the cover plate 52 and is disposed corresponding to the second water outlet 43 at the opening 531, and the water guide opening 51 is opened on the side plate 53 and penetrates the cover plate 52 upward. The edge of the cover plate 52 is arranged close to the inner peripheral wall of the pump shell 4 and used for separating the upper cavity 401 and the lower cavity 402, the outer peripheral wall of the side plate 53 is arranged close to the inner peripheral wall of the lower part of the pump shell 4, the guide vanes 5 are connected with the inner wall of the pump shell 4 in a compact matching mode, the assembly stability is improved, interference to water flow is avoided, and the energy loss of fluid is reduced. The inner part of the lower cover plate 2 extends from top to bottom along the radial direction from outside to inside to form a downward water inlet 21, the water inlet 21 is positioned below the water suction port 41, and the water suction port 41 is arranged corresponding to the peripheral wall of the lower cover plate 2 at the periphery of the water inlet 21. The guide vane 5 does not move, but the cover plate 52 and the side plate 53 of the guide vane 5 are matched with the inner wall of the pump shell 4 to jointly enclose a lower cavity 402 with water absorbing and pressing functions, in the rotation process of the impeller, part of water flows are output from the side part of the pump shell 4 through the second water outlet 43 along with the rotation of the impeller, and the other part of water flows pass through the water guide opening 51 on the side plate 53 to upwards enter the upper cavity 401 and upwards convey the water through the first water outlet 42 at the top of the pump shell 4.

Because this embodiment mainly highlights the influence of impeller structure to the pump water effect, this impeller structure is applicable to can carry out the water pump of circumference and two way reposition of redundant personnel upwards through stator 5, consequently, emphatically explains impeller structure and the cooperation with pump case 4, and only does the brief explanation to the concrete structure of stator 5 and the mode of dividing.

The cleaning machine of this embodiment includes the box, first spray arm and second spray arm, still include above-mentioned water pump, the bottom half is provided with recessed return water region, the top in this return water region covers there is the filter, the return water region is located to the pump case, the clearance of absorbing water has between 41 and the return water region bottom of the water sucking mouth of pump case bottom, the first delivery port 42 at pump case top is located on the filter and is linked together with the water inlet of first spray arm, the second spray arm is located upper portion and is linked together through the second delivery port 43 of water feeding pipe with the pump case in the box.

The impeller structure of this embodiment is arranged in open water pump, with stator structure cooperation, only utilizes an impeller, just can satisfy two way water supply demands simultaneously to, all keep two way water supplies to have great discharge and injection lift after the reposition of redundant personnel, thereby satisfied on the basis of simplifying water pump overall structure, improved pump water effect and cleaning performance.

Terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like, are used in the specification and claims of the present invention to describe various example structural parts and elements of the present invention, but these terms are used herein only for convenience of description 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 an impeller structure, includes upper cover plate (1), lower apron (2) and blade (3), interval arrangement about upper cover plate (1) and lower apron (2), blade (3) are a plurality of and interval arrangement between upper cover plate (1) and lower apron (2), it has water inlet (21) to open on apron (2) down, form delivery port (22), its characterized in that between upper cover plate (1) edge and lower apron (2) edge: blade (3) are including main blade (31) and auxiliary blade (32), look down the angle from the top, main blade (31) are arranged to outer end along anticlockwise spiral extension and inner corresponding water inlet (21) from inner, auxiliary blade (32) are located between two adjacent main blade (31) and the screw direction is the same with main blade (31), the length of auxiliary blade (32) is less than length, the inner of main blade (31) and corresponds the water inlet (21) and arrange outside.

2. The impeller structure of claim 1, wherein: the upper cover plate (1) is provided with a shaft sleeve (13) extending downwards towards the water inlet (21), the inner end of the main blade (31) is connected with the outer surface of the shaft sleeve (13), and a space is reserved between the inner end of the auxiliary blade (32) and the shaft sleeve (13).

3. The impeller structure of claim 2, wherein: the outer ends of the main blade (31) and the auxiliary blade (32) are respectively aligned with the outer edges of the upper cover plate (1) and the lower cover plate (2).

4. The impeller structure of claim 2, wherein: the upper cover plate (1) gradually extends downwards from the edge to the central part, a first flow guide structure (11) is formed in the extending area corresponding to the peripheral part of the water inlet (21), and a shaft sleeve (13) penetrating through the water inlet (21) is formed in the extending area corresponding to the inner side part of the water inlet (21).

5. The impeller structure of claim 4, wherein: the lower cover plate (2) gradually extends downwards from the edge to the water inlet (21), a second flow guide structure (22) corresponding to the first flow guide structure (11) is formed at the part positioned on the periphery of the water inlet (21), a flow guide sleeve (23) sleeved on the periphery of the shaft sleeve (13) is formed at the part corresponding to the water inlet (21), and the water inlet (21) is formed between the inner wall surface of the flow guide sleeve (23) and the outer wall surface of the shaft sleeve (13).

6. The impeller structure of claim 5, wherein: the lower end of the shaft sleeve (13) is flush with the lower end of the flow guide sleeve (23).

7. A water pump comprising a pump housing (4), characterized in that: the bottom of the pump shell (4) is provided with a water suction port (41), the top of the pump shell is provided with a first water outlet (42), and the side of the pump shell is provided with a second water outlet (43); further comprising:

the guide vane (5) is arranged in the pump shell (4) and divides an inner cavity of the pump shell (4) into an upper cavity (401) and a lower cavity (402), the first water outlet (42) is communicated with the upper cavity (401), the second water outlet (43) is communicated with the lower cavity (402), and the edge of the guide vane (5) is provided with a water guide opening (51) for supplying water from the lower cavity (402) into the upper cavity (401); and

the impeller structure of any one of claims 1 to 6, rotatably arranged in the lower cavity (402), and used for sucking water below the pump shell (4) into the lower cavity (402) through the water suction port (41), sucking water in the lower cavity (402) into the upper cavity (401) through the water guide port (51), further sucking water out through the first water outlet (42), and directly sucking water out through the second water outlet (43); at least part of the lower cover plate (2) extends from outside to inside along the radial direction and from top to bottom to form a downward-probing water inlet (21), the water inlet (21) is positioned below the water suction port (41), and the water suction port (41) is arranged corresponding to the peripheral wall of the lower cover plate (2) on the periphery of the water inlet (21).

8. The water pump of claim 7, wherein: the guide vane (5) comprises a cover plate (52) and a side plate (53) extending downwards around the edge of the cover plate (52), the side plate (53) forms an open-loop structure in the circumferential direction of the cover plate (52) and the opening of the side plate is arranged corresponding to the second water outlet (43), and the water guide opening (51) is arranged on the side plate (53) and penetrates through the cover plate (52) upwards.

9. The utility model provides a cleaning machine, includes box, first spray arm and second spray arm, its characterized in that: the water pump further comprises the water pump as claimed in claim 7 or 8, wherein a concave water return area is arranged at the bottom of the box body, a filter plate covers the top of the water return area, the pump shell is arranged in the water return area, a water suction gap is formed between a water suction port (41) at the bottom of the pump shell (4) and the bottom of the water return area, a first water outlet (42) at the top of the pump shell (4) is positioned above the filter plate and communicated with a water inlet of a first spray arm, and a second spray arm is arranged at the middle upper part of the box body and communicated with a second water outlet (43) of the pump shell (4) through a water feeding pipeline.