CN218862934U

CN218862934U - Volute structure of open water pump and cleaning machine applying same

Info

Publication number: CN218862934U
Application number: CN202222625873.4U
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: 2023-04-14
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a spiral case structure and applied cleaning machine that has this open water pump of open water pump, including the spiral case that has the water drawing chamber, this spiral case is for having roof and diapire, and the diapire of spiral case is opened there is water sucking mouth, roof to open and has first delivery port, lateral wall to open and have the second delivery port, draws the circumference of water chamber lower part and is formed with mutual disposition and is used for the first runner, the second runner of two-way drawing-out of rivers, and first runner is used for sending water for the second delivery port, the second runner is used for sending water for first delivery port. The water suction port of the utility model directly corresponds to the first water outlet from top to bottom, and the water flow output by the first water outlet can be thrown out in a straight line from bottom to top, thereby simplifying the structure and reducing the flow passage loss; the water in the volute is divided by the first flow channel and the second flow channel which are oppositely arranged and then is output through the corresponding first water outlet and the second water outlet, so that the interference between the fluids is avoided, the energy loss is reduced, and the pressure and the lift of two paths of water outlet are ensured.

Description

Volute structure of open water pump and cleaning machine applying same

Technical Field

The utility model relates to a dish washer technical field specifically indicates a spiral case structure of open water pump and uses the cleaning machine that has this open water pump.

Background

With the improvement of living standard of people, the dish washing machine is gradually becoming a common device in the kitchen.

The water flow system of the existing dish washer mainly comprises an open type water flow system and a closed type water flow system, wherein a water pump main body of the open type water flow system is arranged in a washing cavity and is directly communicated with the washing cavity, and a water pump of the closed type water flow system is arranged outside the washing cavity and is communicated with the washing cavity through a pipeline. The open type water flow system is beneficial to reducing the energy loss of fluid due to the fact that the return stroke is shortened, and has great advantages in the aspect of performance of a water pump.

The applicant's prior patent ZL 201310749864.9 "basin formula cleaning machine" discloses a cleaning machine adopting an open water flow system, which comprises a box body forming a washing space, wherein the box body comprises a basin body, the basin body is at least concave at the central part, a draining plate with the same shape as the concave part is covered on the concave part, a plurality of draining holes for draining are arranged on the draining plate, a draining area is formed by the space between the concave part and the draining plate, the draining plate is flush with other parts at the bottom of the basin body, and a water pump for pumping water in the draining area to the upper part of the draining plate is arranged in the draining area.

Above-mentioned structure sets up the water pump in the waterlogging caused by excessive rainfall region of basin body, and is effectual to the moisturizing of water pump. However, the water pump is vertically penetrated so as to only pump water upwards, and the dishwasher with a large volume needs two-way water supply, and the water pump cannot meet the requirement of two-way water supply.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to provide a spiral case structure that can carry out two-way water supply and reduce the water loss of going out, keep great water pressure's open water pump to prior art's current situation.

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

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

a volute structure of an open water pump comprises a volute with a water drawing cavity, wherein the volute is provided with a top wall and a bottom wall, at least the lower part of the volute is of a cylindrical structure, the bottom wall of the volute is provided with a water suction port, the top wall of the volute is provided with a first water outlet, the side wall of the volute is provided with a second water outlet, a first flow channel and a second flow channel which are oppositely arranged and used for bidirectionally drawing out water flow are formed in the circumferential direction of the lower part of the water drawing cavity, the first flow channel is used for supplying water to the second water outlet, and the second flow channel is used for supplying water to the first water outlet.

Preferably, the lower portion of the pumping chamber is provided with a first flow dividing portion and a second flow dividing portion which extend spirally inwards in the circumferential direction from the inner peripheral wall of the volute, and the first flow dividing portion and the second flow dividing portion are arranged oppositely in the circumferential direction of the volute, and the tips of the first flow dividing portion and the second flow dividing portion face the incoming water direction to form a flow dividing end. The first flow dividing part, the second flow dividing part and the inner wall of the volute are matched to form a first flow channel and a second flow channel structure which are symmetrically arranged and tangentially connected with a water drawing area at the central part of the water drawing cavity, so that the flow dividing and water drawing effects are improved, the energy loss of fluid is reduced, and the water flow and the lift are improved.

Preferably, the first flow channel is formed on the periphery of the first flow dividing part, the second flow channel is formed on the periphery of the second flow dividing part, and the water outlet directions of the first flow channel and the second flow channel are opposite. By adopting the structure and the arrangement mode, the flow of the first flow channel and the flow of the second flow channel are favorably and reasonably distributed, and the flow distribution is improved.

Preferably, a portion of the inner bottom wall of the volute, which corresponds to the second flow channel, extends from bottom to top along the water flow direction to form a flow guide inclined plane for stably guiding the water flow upwards. The water split by the second flow channel is output upwards through the first water outlet, and the flow guide inclined plane is arranged, so that the water guide effect is improved, the rectification and flow guide effects are achieved, and the fluid is prevented from being disordered in the process of switching from circumferential flow to axial flow, and the energy loss is reduced.

Preferably, the first water outlet is arranged at the central position of the top wall of the volute, and the inner top wall of the volute gradually inclines to the first water outlet from outside to inside and from bottom to top along the radial direction to form a flow-gathering cambered surface. The structure can rectify, gather and pressurize the water flow conveyed to the first water outlet so as to improve the lift.

Preferably, the upper end of the flow guide inclined plane is arranged corresponding to the flow gathering arc surface. This configuration facilitates elimination of energy loss when the water flow is switched between circumferential and radial flows.

Preferably, the water suction port is arranged at the central part of the bottom wall of the volute, the bottom wall of the volute at least at the area corresponding to the periphery of the water suction port is inclined from outside to inside along the radial direction and from top to bottom to form a flow guiding water suction surface, and the water suction port is arranged lower than the bottom wall of the volute so as to form a sunken water suction port. The structure can not only improve the water absorption effect, but also avoid the air from being absorbed, thereby improving the water pressure and the lift.

The utility model provides a cleaning machine, includes box, bottom water spray spare and top water spray spare, the bottom half is provided with recessed return water region, top water spray spare, bottom water spray spare are located on the return water region and about interval arrangement, still include above-mentioned open water pump, the spiral case is located in the return water region and the diapire is pressed close to return water region bottom and is arranged, first delivery port is used for being located the bottom and sprays a water supply, the second delivery port is used for supplying water for top water spray spare.

Compared with the prior art, the utility model has the advantages of: the water suction port of the utility model directly corresponds to the first water outlet from top to bottom, and the water flow output by the first water outlet can be thrown out in a straight line from bottom to top, thereby simplifying the structure and reducing the flow passage loss; the water in the volute is divided by the first flow channel and the second flow channel which are oppositely arranged and then is output through the corresponding first water outlet and the second water outlet, so that the interference between the fluids is avoided, the energy loss is reduced, the pressure and the lift of two paths of water outlet are ensured, and the cleaning effect is improved.

Drawings

Fig. 1 is a schematic view of a volute structure of an open water pump according to an embodiment of the present invention;

FIG. 2 is a schematic view of the bottom structure of the volute according to the embodiment of the present invention;

FIG. 3 is a cross-sectional view of a volute in an embodiment of the present invention;

fig. 4 is a schematic view of the internal structure of the lower part of the volute 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 4, the volute structure of the open water pump of this embodiment includes a volute 1 having a water pumping chamber 10a, the volute 1 has a top wall and a bottom wall, a lower portion of the volute 1 is formed into a cylindrical structure, the bottom wall of the volute 1 is provided with a water suction opening 13, the top wall is provided with a first water outlet 11, and a side wall is provided with a second water outlet 12.

A first flow channel 10 and a second flow channel 20 which are oppositely arranged and used for bidirectionally pumping water flow are formed on the circumferential direction of the lower part of the water pumping cavity 10a, the first flow channel 10 is used for delivering water to the second water outlet 12, and the second flow channel 20 is used for delivering water to the first water outlet 11.

Specifically, the lower portion of the scooping chamber 10a is provided with a first flow dividing portion 14 and a second flow dividing portion 15 which extend spirally inward from the inner peripheral wall of the volute along the circumferential direction, and the first flow dividing portion 14 and the second flow dividing portion 15 are arranged opposite to each other in the circumferential direction of the volute 1 and the tips of the first flow dividing portion and the second flow dividing portion face the incoming water direction to form a flow dividing end 100. The first flow dividing part 14 and the second flow dividing part 15 are matched with the inner wall of the volute 1 to form a first flow passage 10 and a second flow passage 20 which are symmetrically arranged and tangentially connected with a water drawing area at the central part of the water drawing cavity, so that the flow dividing and water drawing effects are improved, the energy loss of fluid is reduced, and the water flow and the lift are improved.

The first flow channel 10 is formed on the periphery of the first flow dividing part 14, the second flow channel 20 is formed on the periphery of the second flow dividing part 15, and the water outlet directions of the first flow channel 10 and the second flow channel 20 are opposite. By adopting the structure and the arrangement mode, the flow of the first flow channel 10 and the flow of the second flow channel 20 are favorably and reasonably distributed, and the flow distribution is improved.

The inner bottom wall of the volute 1 corresponding to the part of the second flow channel 20 extends from bottom to top along the water flow direction to form a flow guide inclined plane 201 for guiding the water flow upwards and stably. Because the water that the second runner 20 shunts out will upwards export through first delivery port 11, set up above-mentioned water conservancy diversion inclined plane 201, be favorable to improving the water guide effect, play rectification, water conservancy diversion effect, thereby avoid the fluid to take place the disorder and reduce energy loss in the course of flowing from circumference flow switching to axial.

The first water outlet 11 is arranged at the central position of the top wall of the volute 1, the inner top wall of the volute 1 gradually inclines to the first water outlet 11 along the radial direction from outside to inside and from bottom to top to form a flow gathering cambered surface 16, and the structure can rectify, gather and pressurize water flow conveyed to the first water outlet 11 so as to improve the lift. The upper end of the flow guiding inclined surface 201 is arranged corresponding to the flow gathering arc surface 16, and the structure is beneficial to eliminating energy loss when the water flow is switched between circumferential and radial flows.

The water suction opening 13 is arranged at the central part of the bottom wall of the volute 1, the bottom wall of the volute 1 at least at the area corresponding to the periphery of the water suction opening 13 forms a flow guide water suction surface 17 from outside to inside along the radial direction and from top to bottom in an inclined manner, and the water suction opening 13 is arranged lower than the bottom wall of the volute 1 so as to form a sunken water suction opening 13. The structure not only can improve the water absorption effect, but also can avoid the air from being absorbed so as to improve the water pressure and the lift.

The open water pump of this embodiment can set up in the spiral case inner chamber and draw water impeller, divide water conservancy diversion spare etc to better divide into the water flow into the two ways of being defeated to first delivery port 11, second delivery port 12, because this embodiment emphasizes the contribution that spiral case structure itself made to rivers energy loss, consequently does not give unnecessary details to other structures of open water pump.

The cleaning machine of this embodiment includes box, bottom water spray spare and top water spray spare, and the bottom half is provided with recessed return water area, and top water spray spare, bottom water spray spare are located on the return water area and about the interval arrangement, still include above-mentioned open water pump, and spiral case 1 locates in the return water area and the diapire presses close to return water area bottom and arranges, and first delivery port 11 is used for being located the bottom and sprays a water supply, and second delivery port 12 is used for supplying water for top water spray spare.

The water suction port 13 of the embodiment directly corresponds to the first water outlet 11 up and down, and the water flow output from the first water outlet 11 can be thrown out in a straight line from bottom to top, so that the structure is simplified, and the flow channel loss is reduced; the water in the volute 1 is firstly divided by the first flow channel 10 and the second flow channel 20 which are oppositely arranged and then is output through the corresponding first water outlet 11 and the second water outlet 12, so that the interference between the fluids is avoided, the energy loss is reduced, the pressure and the lift of the two paths of water are ensured, and the cleaning effect is favorably improved.

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 arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. A volute structure of an open water pump, comprising a volute (1) with a water pumping chamber (10 a), the volute (1) having a top wall and a bottom wall and at least a lower part formed as a cylindrical structure, characterized in that: the water-saving type water pump is characterized in that a water suction opening (13) is formed in the bottom wall of the volute (1), a first water outlet (11) is formed in the top wall of the volute, a second water outlet (12) is formed in the side wall of the volute, a first flow channel (10) and a second flow channel (20) which are oppositely arranged and used for bidirectionally drawing out water flow are formed in the circumferential direction of the lower portion of the water drawing cavity (10 a), the first flow channel (10) is used for supplying water to the second water outlet (12), and the second flow channel (20) is used for supplying water to the first water outlet (11).

2. The volute structure of an open water pump of claim 1, wherein: the lower part of the water drawing cavity (10 a) is provided with a first flow dividing part (14) and a second flow dividing part (15) which extend inwards spirally along the circumferential direction from the inner circumferential wall of the volute (1), and the first flow dividing part (14) and the second flow dividing part (15) are arranged oppositely in the circumferential direction of the volute (1) and the tips of the first flow dividing part and the second flow dividing part face the water incoming direction to form a flow dividing end (100).

3. The volute structure of an open water pump of claim 2, wherein: the first flow channel (10) is formed on the periphery of the first flow dividing part (14), the second flow channel (20) is formed on the periphery of the second flow dividing part (15), and the water outlet directions of the first flow channel (10) and the second flow channel (20) are opposite.

4. The volute structure of an open water pump of claim 3, wherein: the part, corresponding to the second flow channel (20), of the inner bottom wall of the volute (1) extends from bottom to top along the water flow direction to form a flow guide inclined plane (201) for stably guiding the water flow upwards.

5. The volute structure of an open water pump of claim 4, wherein: the first water outlet (11) is arranged at the central part of the top wall of the volute, and the inner top wall of the volute (1) gradually inclines to the first water outlet (11) along the radial direction from outside to inside and from bottom to top to form a flow gathering arc surface.

6. The volute structure of an open water pump of claim 5, wherein: the upper end of the flow guide inclined plane (201) is arranged corresponding to the flow gathering cambered surface.

7. The volute structure of an open water pump according to any one of claims 1-6, wherein: the water suction port (13) is arranged at the central position of the bottom wall of the volute (1), the bottom wall of the volute (1) at least forms a flow guide water suction surface (17) in the area corresponding to the periphery of the water suction port (13) from outside to inside along the radial direction and from top to bottom in an inclined mode, and the water suction port (13) is lower than the bottom wall of the volute and is arranged to form a sunken water suction port (13).

8. The utility model provides a cleaning machine, includes box, bottom water spray spare and top water spray spare, the bottom half is provided with recessed return water area, top water spray spare, bottom water spray spare are located on the return water area and upper and lower interval arrangement, its characterized in that: the volute structure of the open water pump further comprises the volute structure of the open water pump as claimed in any one of claims 1 to 7, the volute (1) is arranged in the backwater area, the bottom wall of the volute is arranged close to the bottom of the backwater area, the first water outlet (11) is used for supplying water to the bottom spray component, and the second water outlet (12) is used for supplying water to the top spray component.