CN218552289U

CN218552289U - Water diversion guide vane structure of open type water pump and cleaning machine applying same

Info

Publication number: CN218552289U
Application number: CN202222653710.7U
Authority: CN
Inventors: 施郑赞; 韩健健
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: 2023-03-03
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a cleaning machine that has open water pump's water diversion stator structure and applied has open water pump, first reposition of redundant personnel blade, second reposition of redundant personnel blade including the apron and locating the apron lower surface, first reposition of redundant personnel blade and second reposition of redundant personnel blade are relative arrangement in the circumference of apron, and the outer end of the two corresponds the apron edge and arranges, the inner extends against the inside spiral of rivers direction, the tip constitution of first reposition of redundant personnel blade is used for carrying out the first reposition of redundant personnel end on circumference, the tip constitution of second reposition of redundant personnel blade is used for carrying out the second reposition of redundant personnel end on circumference, the apron corresponds the breach that the regional local disappearance at least of second reposition of redundant personnel blade periphery formed the water that supplies the reposition of redundant personnel to carry upwards. The utility model discloses a water diversion guide vane structure has eliminated the interference problem of two way rivers of reposition of redundant personnel, has avoided rivers energy loss, on the basis of simplifying the water pump structure, makes rivers pressure satisfy the pump water demand, has improved pump water efficiency.

Description

Water diversion guide vane structure of open type water pump and cleaning machine applying same

Technical Field

The utility model relates to a dish washer technical field specifically indicates a water diversion stator structure and applied cleaning machine that has open water pump of open water pump.

Background

For dishwashers with large volumes, at least two groups of spray arms arranged one above the other are generally provided in order to achieve a better washing result. During operation, the washing pump respectively carries water to each spray arm and sprays from top to bottom, and the water that falls back after washing the tableware gathers in the drinking cup of dish washer bottom, and the washing pump carries the water that falls back once more in each spray arm, accomplishes a rivers circulation.

For example, chinese patent application publication No. CN106859563A, energy-saving dishwasher (application No. CN 201611232345.5), discloses a structure comprising a chamber for receiving dishes and providing a washing space, a spray system for spraying water to wash the dishes, and a pump body for pumping water and supplying water to the spray system; the spraying system is arranged in the cavity; the water pumping end of the pump body is communicated with the cavity, and the water supply end is communicated with the spraying system; the spraying system comprises an inner water pipe and more than two sets of spraying devices, and the more than two sets of spraying devices are respectively arranged on the inner water pipe; the water supply end of the pump body is connected with a water distribution device, the water distribution device is provided with more than two water outlets corresponding to more than two sets of spraying devices, and the spraying devices are communicated with the corresponding water outlets; when the spraying device works, the water distribution device conducts more than one water outlet according to the instruction, so that more than one set of spraying device can perform cleaning work.

In the above-mentioned current dish washer that can carry out bottom and spray, top sprays, a pump for supplying water for spray system generally adopts closed structure, is about to locate the box below the pump case of washing pump, is provided with ability pivoted impeller in the pump case, and the water inlet and the washing chamber bottom of washing pump case are linked together, and the delivery port of pump case is connected with the water diversion device, and this water diversion device divides into rivers into the first branch road of supplying water to bottom spray arm and the second branch road of supplying water to top spray arm. Because the water pressure of the top spraying water and the bottom spraying water is independently supplied by the washing pump, the lift, the flow and the impact force of the water flow on each branch are greatly reduced after the water flow is divided, and the cleaning effect is influenced.

In order to solve the above problems, the applicant's prior patent ZL 202023348766.9 "a dual pump system and a cleaning machine using the dual pump system" discloses a structure, wherein the dual pump system comprises an upper impeller, a lower impeller, an upper housing, a lower housing and a driving member, the upper housing has a first accommodating cavity for mounting the upper part of a first blade, the upper part of the lower housing has a second accommodating cavity for mounting the lower part of the first blade, a first water inlet for supplying water into the second accommodating cavity is formed on the side wall of the lower housing, a third accommodating cavity for mounting the lower impeller is formed on the lower part of the lower housing, and a second water inlet and a water outlet are formed on the side wall and/or the bottom wall of the lower housing. The double-pump system is an open system, the second accommodating cavity, the first accommodating cavity and the upper impeller are used for spraying water at the bottom, the third accommodating cavity and the lower impeller are used for spraying water at the top and/or the middle, and the power of the two paths of water flow is independently supplied by the corresponding pumps, so that the lift and the water flow of each path of water flow are improved, and the cleaning effect is favorably improved.

However, because the independent upper impeller is adopted for bottom layer water supply and the independent lower impeller is adopted for upper layer water supply, the whole structure is relatively complex, the production cost is high, and the water pumping effect cannot be considered on the basis of saving the cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to provide a have concurrently and divide water and pressurize the function and simplify the water pump structure, improve the water pumping efficiency's open water pump's water diversion stator structure to prior art's current situation.

The second technical problem to be solved by the present invention is to provide a cleaning machine using the above-mentioned open water pump, in view of the current state of the prior art.

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

the utility model provides an open water pump's water diversion stator structure, includes the apron and locates first reposition of redundant personnel blade, the second reposition of redundant personnel blade of apron lower surface, first reposition of redundant personnel blade and second reposition of redundant personnel blade are relative to be arranged in the circumference of apron, and the outer end of the two corresponds the apron edge and arranges, the inside spiral extension that is against the rivers direction of inner end, the tip of first reposition of redundant personnel blade constitutes the first reposition of redundant personnel end that is used for carrying out the reposition of redundant personnel in circumference, the tip of second reposition of redundant personnel blade constitutes the second reposition of redundant personnel end that is used for carrying out the reposition of redundant personnel in circumference, the apron corresponds the regional at least local disappearance of second reposition of redundant personnel blade periphery and forms the breach that supplies the water of secondary reposition of redundant personnel to carry upwards.

Preferably, the upper surface of the cover plate is provided with a baffle plate for gathering water flowing upwards through the notch towards the center. The structure can pressurize the water flow guided upwards through the gap on one hand, and guide the partial flow on the other hand, thereby reducing energy loss.

Preferably, a confluence flow channel is enclosed between the baffle and the top wall of the cover plate, the confluence flow channel comprises a semi-enclosed flow gathering region arranged around the center of the cover plate and a flow guide region gradually increasing from the opening of the semi-enclosed flow gathering region to the edge of the cover plate, and the flow guide region surrounds the gap.

Preferably, the baffle comprises an arc-shaped section for restricting the semi-enclosed flow gathering area, a first curved section extending from a first end of the arc-shaped section to the edge of the cover plate, and a second curved section extending from a second end of the arc-shaped section to the edge of the cover plate. The structure restricts the position arrangement relationship of the confluence flow channel and the gap as well as the position arrangement relationship of the confluence flow channel and the gap so as to further reduce energy loss and increase water pressure.

Preferably, the notch includes a first portion and a second portion arranged along the water flow direction, the first portion is located at an end of the second splitter blade and penetrates in the radial direction of the cover plate, and the second portion is arranged above the second splitter blade and gradually decreases in width along the water flow direction. The gap structure can lead and rectify the fluid all the time in the process of reversing flow, thereby reducing energy loss.

Preferably, the outer end of the first curved surface section is arranged corresponding to the upper edge of the first part of the notch, and the outer end of the second curved surface section is arranged corresponding to the periphery of the second part of the notch.

Preferably, the upper surface of the cover plate is provided with a flow guide member located in the semi-enclosed flow gathering area and used for guiding water to the upper part of the center of the cover plate, and the flow guide member is shaped into a conical structure which gradually extends upwards from the edge of the semi-enclosed flow gathering area to the center. The structure is beneficial to further reducing energy loss and increasing water pressure.

The utility model provides a cleaning machine, includes box, first spray arm, second spray arm, still includes above-mentioned open water pump, and this open water pump is located in the box and is included:

the water pump comprises a pump shell, a water inlet 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;

the cover plate is transversely arranged in the middle of the pump shell and divides an inner cavity of the pump shell into an upper cavity and a lower cavity which are relatively independent, the first water outlet is communicated with the upper cavity, and the second water outlet is communicated with the lower cavity;

the impeller is rotatably arranged in the lower cavity and is used for providing water drawing power;

the first spray arm is arranged on the pump shell and communicated with the first water outlet, and the second spray arm is arranged on the first spray arm and communicated with the second water outlet through a water feeding pipeline.

Compared with the prior art, the utility model has the advantages of: the utility model provides a water diversion stator structure for open water pump, it is provided with the first reposition of redundant personnel blade that the spiral extends to be located this water diversion stator edge, the second reposition of redundant personnel blade, first reposition of redundant personnel blade department forms the export of dividing water that supplies one rivers to divide, second reposition of redundant personnel blade department forms the breach that supplies another share of rivers to divide, rivers are two strands at the automatic reposition of redundant personnel of circumference flow in-process, the interference problem of reposition of redundant personnel rivers has been eliminated, rivers energy loss has been avoided, on the basis of simplifying the water pump structure, make rivers pressure satisfy the pump water demand, pump water efficiency has been improved.

Drawings

Fig. 1 is a schematic view of a water diversion guide vane structure according to an embodiment of the present invention;

FIG. 2 is a schematic bottom view of FIG. 1;

fig. 3 is a cross-sectional view (longitudinal section) of an open water pump according to an embodiment of the present invention;

fig. 4 is a cross-sectional view (cross-section) of an open water pump according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the upper pump case hidden in the open water pump according to the 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 5, the water diversion guide vane structure of the open water pump in this embodiment includes a cover plate 2, and a first diversion blade 21 and a second diversion blade 22 provided on a lower surface of the cover plate 2, the first diversion blade 21 and the second diversion blade 22 are arranged opposite to each other in a circumferential direction of the cover plate 2, outer ends of the first diversion blade 21 and the second diversion blade 22 are arranged corresponding to an edge of the cover plate 2, inner ends of the first diversion blade and the second diversion blade extend spirally inward against a water flow direction, an end of the first diversion blade 21 constitutes a first water diversion end 211 for performing primary diversion in the circumferential direction, an end of the second diversion blade 22 constitutes a second water diversion end 221 for performing secondary diversion in the circumferential direction, and a notch 23 for conveying water subjected to secondary diversion upward is formed by at least partially missing in a region of the cover plate 2 corresponding to a periphery of the second diversion blade 22.

The upper surface of the cover plate 2 is provided with a baffle plate 24 for gathering water flowing upwards through the gap 23 to the center.

The baffle plate 24 and the top wall of the cover plate 2 enclose a confluence flow channel 240, the confluence flow channel 240 comprises a semi-enclosed flow gathering region 2401 arranged around the center of the cover plate 2 and a flow guiding region 2402 with gradually increasing width from the opening of the semi-enclosed flow gathering region to the edge of the cover plate 2, and the flow guiding region 2402 encloses the gap 23.

The baffle 24 includes an arc segment 241 for confining the semi-enclosed flow concentration region 2401, a first curved segment 242 extending from a first end of the arc segment 241 to the cover plate edge, and a second curved segment 243 extending from a second end of the arc segment 241 to the cover plate edge.

The notch 23 includes a first portion 231 and a second portion 232 arranged along the water flow direction, the first portion 231 is located at the end of the second splitter vane 22 and penetrates through the cover plate 2 in the radial direction, and the second portion 232 is arranged above the second splitter vane 22 and gradually decreases in width along the water flow direction. The outer end of the first curved section 242 is disposed corresponding to the upper edge of the first portion 231 of the notch, and the outer end of the second curved section 243 is disposed corresponding to the periphery of the second portion 232 of the notch.

The upper surface of the cover plate 2 is provided with a flow guide 25 which is positioned in the semi-enclosed flow collecting region 2401 and used for guiding water to the upper part of the center of the cover plate 2, and the flow guide 25 is in a conical structure which gradually extends upwards from the edge of the semi-enclosed flow collecting region 2401 to the center.

The cleaning machine of the embodiment comprises a box body, a first spray arm, a second spray arm and the open type water pump, wherein the open type water pump is arranged in the box body and comprises a pump shell 1, a water distribution guide vane structure, an impeller 3 and a driving piece, the top of the pump shell 1 is provided with a first water outlet 11, and the side part of the pump shell is provided with a second water outlet 12; the cover plate 2 is transversely arranged in the pump shell 1 and divides the inner cavity of the pump shell 1 into an upper cavity 101 and a lower cavity 102, a first flow channel 10 and a second flow channel 20 which are oppositely arranged and used for bidirectionally pumping water are formed in the circumferential direction of the lower cavity 102, the second water outlet 12 is arranged at the side part of the lower cavity 102 and communicated with the first flow channel 10, a notch 23 for communicating the second flow channel 20 with the upper cavity 101 is formed in the edge of the cover plate 2, and the first water outlet 11 is communicated with the upper cavity 101. The impeller 3 is rotatably disposed in the lower cavity 102 and is used for providing power for bidirectional water drawing of the first flow passage 10 and the second flow passage 20. The driving part is arranged below the pump shell 1, and the output shaft is connected with the impeller 3 in the direction of the output shaft.

The impeller 3 is a centrifugal impeller with a water inlet 31 at the bottom and a water outlet 32 at the side, and the ends of the first splitter blade 21 and the second splitter blade 22 are both close to the edge of the impeller 3 and arranged corresponding to the water outlet 32 of the impeller 3. The inner wall surfaces of the first splitter blade 21 and the second splitter blade 22 are respectively matched with the impeller 3 for pressurizing water flow flowing in the circumferential direction, and meanwhile, in the process of the water flow flowing in the circumferential direction, the end parts of the first splitter blade 21 and the second splitter blade 22 can split the water flow under the condition of reducing energy loss.

The bottom half is provided with recessed return water region, and the top in this return water region covers has the filter, and return water region is located to pump case 1, has the clearance of absorbing water between the water sucking mouth 13 of 1 bottom of pump case and the return water region bottom, and the first delivery port 11 at 1 top of pump case is located on the filter and is linked together with the water inlet of bottom spray arm, and top spray arm locates upper-middle part in the box and is linked together through the second delivery port 12 of water supply pipeline and pump case 1.

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 water diversion stator structure of open water pump which characterized in that: the water-saving type water distributor comprises a cover plate (2) and a first distributing blade (21) and a second distributing blade (22) which are arranged on the lower surface of the cover plate (2), wherein the first distributing blade (21) and the second distributing blade (22) are oppositely arranged in the circumferential direction of the cover plate (2), the outer ends of the first distributing blade (21) and the second distributing blade (22) are arranged corresponding to the edge of the cover plate (2), the inner ends of the first distributing blade and the second distributing blade extend inwards in a spiral mode along the direction opposite to the water flow direction, the end part of the first distributing blade (21) forms a first water distributing end (211) used for primary distribution in the circumferential direction, the end part of the second distributing blade (22) forms a second water distributing end (221) used for secondary distribution in the circumferential direction, and at least part of the area, corresponding to the periphery of the second distributing blade (22), of the cover plate (2) is at least partially lost to form a notch (23) for upwards conveying water for secondary distribution.

2. The water distribution guide vane structure of an open water pump according to claim 1, characterized in that: the upper surface of the cover plate (2) is provided with a baffle (24) used for gathering the water flowing upwards through the notch (23) towards the center.

3. The water distribution guide vane structure of an open water pump according to claim 2, characterized in that: a confluence flow channel (240) is enclosed between the baffle (24) and the top wall of the cover plate, the confluence flow channel (240) comprises a semi-enclosed flow gathering region (2401) arranged around the center of the cover plate and a flow guide region (2402) gradually increasing in width from the opening of the semi-enclosed flow gathering region to the edge of the cover plate, and the gap (23) is enclosed by the flow guide region (2402).

4. The water distribution guide vane structure of an open water pump according to claim 3, wherein: the baffle (24) comprises an arc-shaped section (241) used for restraining the semi-surrounding type flow gathering area (2401), a first curved surface section (242) extending from a first end of the arc-shaped section (241) to the edge of the cover plate, and a second curved surface section (243) extending from a second end of the arc-shaped section (241) to the edge of the cover plate.

5. The water distribution guide vane structure of an open water pump according to claim 4, wherein: the notch (23) comprises a first part (231) and a second part (232) which are arranged along the water flow direction, the first part (231) is located at the end part of the second shunting blade (22) and penetrates through the cover plate (2) in the radial direction, and the second part (232) is arranged above the second shunting blade (22) correspondingly and is gradually reduced in width along the water flow direction.

6. The water distribution guide vane structure of an open water pump according to claim 5, wherein: the outer end of the first curved surface section (242) is arranged corresponding to the upper edge of the first part (231) of the notch (23), and the outer end of the second curved surface section (243) is arranged corresponding to the periphery of the second part (232) of the notch (23).

7. The water distribution guide vane structure of an open water pump according to claim 3, wherein: the upper surface of apron (2) is provided with and is located semi-surrounding formula and gathers a class regional (2401), be used for drainage piece (25) of drainage to the top of apron central authorities with water, and this drainage piece (25) shape is for gathering the toper structure that the edge of class regional (2401) upwards extends gradually to the centre from semi-surrounding formula.

8. The utility model provides a cleaning machine, includes box, first spray arm, second spray arm, its characterized in that: the open type water pump as claimed in any one of claims 1 to 7, which is provided in the tank and includes

The water-saving pump comprises a pump shell (1), wherein the bottom of the pump shell is provided with a water suction port (13), the top of the pump shell (1) is provided with a first water outlet (11), and the side part of the pump shell is provided with a second water outlet (12);

the water diversion guide vane structure is characterized in that the cover plate (2) is transversely arranged in the middle of the pump shell (1) and divides an inner cavity of the pump shell (1) into an upper cavity body (101) and a lower cavity body (102) which are relatively independent, the first water outlet (11) is communicated with the upper cavity body (101), and the second water outlet (12) is communicated with the lower cavity body (102);

the impeller (3) is rotatably arranged in the lower cavity (102) and is used for providing water drawing power;

the first spray arm (5) is arranged on the pump shell and communicated with the first water outlet (11), and the second spray arm (6) is arranged on the first spray arm (5) and communicated with the second water outlet (12) through a water feeding pipeline.