CN219081907U

CN219081907U - Volute structure of open water pump and cleaning machine using same

Info

Publication number: CN219081907U
Application number: CN202222667385.XU
Authority: CN
Inventors: 张昌海; 韩健健; 魏本柱; 施郑赞; 姜勇
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: 2023-05-26
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a volute structure of an open water pump and a cleaning machine using the same, comprising a volute body with a water drain cavity, wherein the volute body is of a cylindrical structure with a top wall and a bottom wall, the bottom wall of the volute body is provided with a water suction port, the top wall is provided with a first water outlet, the side wall is provided with a second water outlet, the inner wall of the volute body is provided with a pressurizing surface which spirally extends from the first side edge to the second side edge of the second water outlet along the water flow direction at the position corresponding to the second water outlet, and the outer side of the volute body is connected with a water outlet pipe section which is tangentially connected with the pressurizing surface. The water suction port and the first water outlet are directly corresponding up and down, water flow output by the first water outlet can be thrown out in a straight line from bottom to top, the structure is simplified, the flow channel loss is reduced, after the water flow output by the second water outlet is pressurized by the pressurizing surface, the water pressure can be increased, the energy loss can be reduced, the pressure and the lift of two paths of water outlet are ensured, and the cleaning effect is improved.

Description

Volute structure of open water pump and cleaning machine using same

Technical Field

The utility model relates to the technical field of dish washing machines, in particular to a volute structure of an open water pump and a washing machine using the volute structure.

Background

With the improvement of living standard of people, dish washers are becoming common equipment in kitchens.

The water flow system in the current dish washer is mainly of an open type and a closed type, a water pump main body of the open type water flow system is arranged in the 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 water flow system is beneficial to reducing the energy loss of the fluid due to shortening the return water stroke, and has great advantages in the aspect of the performance of the water pump.

The utility model provides a preceding patent ZL 201310749864.9 "basin formula cleaning machine" of this applicant discloses a cleaning machine that adopts open rivers system, and it includes the box that forms the washing space, and the box includes the basin body, and the basin body is at least at the central part indent, and the position of indent is last to be covered with the waterlogging caused by excessive rainfall board the same with recess position shape, has offered a plurality of waterlogging caused by excessive rainfall holes that are used for the waterlogging caused by excessive rainfall on the waterlogging caused by excessive rainfall board, and the space between position and the waterlogging caused by excessive rainfall board forms the waterlogging caused by excessive rainfall district, and the waterlogging caused by excessive rainfall board flushes with other positions in basin body bottom, is equipped with the water pump that discharges this waterlogging caused by excessive rainfall district to the waterlogging caused by excessive rainfall board top in the waterlogging caused by excessive rainfall district.

The 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 penetrated up and down so that only water flow can be drawn up, and for a dishwasher with a large volume, two-way water supply is required, and the water pump cannot meet the requirement of the two-way water supply.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide an open type water pump volute structure which can perform two-way water supply, reduce water outlet energy loss and maintain larger water outlet pressure aiming at the current state of the art.

The second technical problem to be solved by the utility model is to provide a cleaning machine aiming at the current state of the art.

The utility model solves at least one of the technical problems by adopting the following technical proposal:

the utility model provides an open type water pump's spiral case structure, includes the spiral case body that has the water drawing chamber, and this spiral case body is for having the cylindric structure of roof and diapire, the diapire of spiral case body is opened there is the water sucking mouth, the roof is opened there is first delivery port, the lateral wall is opened there is the second delivery port, the spiral case body inner wall is provided with along the water flow direction from the first side edge to the second side edge spiral extension of second delivery port in corresponding second delivery port department, the spiral case body outside is connected with the play water pipe section that is connected with this pressure surface tangential.

The water suction port and the first water outlet are directly corresponding up and down, water flow output by the first water outlet can be thrown out in a straight line from bottom to top, the structure is simplified, the flow channel loss is reduced, after the water flow output by the second water outlet is pressurized by the pressurizing surface, the water pressure can be increased, the energy loss can be reduced, the pressure and the lift of two paths of water outlet are ensured, and the cleaning effect is improved.

Preferably, the projection of the pressing surface on the horizontal plane is an involute spiral extending along the water flow direction. By adopting the structure, the centrifugal effect of the volute body is realized by using as few arc section structures as possible, so that the loss of water flow energy is reduced.

Preferably, the arc angle corresponding to the involute spiral line and taking the center of the spiral case as the center of the circle is 50-80 degrees. Further preferably, the arc angle corresponding to the involute spiral line and taking the center of the spiral case as the center of the circle is 66 degrees. By adopting the structure, water flows along the throat of the wall surface of the volute, and the wall surface of the involute gradually increases the water pressure, so that the water lift at the second water outlet of the volute is further improved.

Preferably, the second water outlet is arranged close to the bottom wall of the volute body, the bottom of the water outlet pipe section is lower than the inner bottom wall of the volute body, and a water draining area which is concave relative to the inner bottom wall of the volute body and is smoothly connected with the inner bottom wall of the volute body is formed at the bottom of the water outlet pipe section. The structure is favorable for rapidly draining the water in the volute when draining, realizes no residual water in the volute, and avoids odor or secondary pollution caused by accumulated water.

In order to facilitate the installation of the volute, the outer bottom wall of the volute body is provided with a positioning column for positioning the volute.

Preferably, the positioning column is arranged close to the water suction port, and the outer bottom wall of the volute body is further provided with a flow guide rib which is arranged close to the water suction port and the positioning column and used for rectifying. The guide ribs are a plurality of and symmetrically arranged at two sides of the positioning column, and are of a fusiform structure extending along the radial direction of the water suction port. The setting of reference column probably can cause the interference to the rivers of water sucking mouth department, adopts above-mentioned structure, rectifies the nearby rivers of reference column to avoid rivers disorder, reduce rivers energy loss.

The utility model provides a cleaning machine, includes box, bottom water spray and top water spray, the box bottom is provided with the return water region of indent, top water spray, bottom water spray locate return water region on and upper and lower interval arrangement, still include above-mentioned open water pump, the spiral case body is located return water region and diapire and is pressed close to return water region bottom and arrange, first delivery port is used for being located bottom water spray water supply, the second delivery port is used for supplying water for top water spray.

Compared with the prior art, the utility model has the advantages that: the water suction port and the first water outlet are directly corresponding up and down, water flow output by the first water outlet can be thrown out in a straight line from bottom to top, the structure is simplified, the flow channel loss is reduced, after the water flow output by the second water outlet is pressurized by the pressurizing surface, the water pressure can be increased, the energy loss can be 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-type water pump according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the volute body according to the embodiment of the utility model;

FIG. 3 is a schematic view illustrating an internal structure of a volute body according to an embodiment of the present utility model;

fig. 4 is a cross-sectional view of a volute body in an embodiment of the utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 4, the volute structure of the open water pump of this embodiment includes a volute body 1 having a water drain chamber 10, the volute body 1 is a cylindrical structure having a top wall and a bottom wall, the bottom wall of the volute body 1 is provided with a water suction port 13, the top wall is provided with a first water outlet 11, the side wall is provided with a second water outlet 12, the inner wall of the volute body 1 is provided with a pressurizing surface 14 extending spirally from a first side edge 121 to a second side edge 122 of the second water outlet 12 along the water flow direction at the position corresponding to the second water outlet 12, and the outer side of the volute body 1 is connected with a water outlet pipe section 15 connected with the pressurizing surface 14 tangentially.

The water suction port 13 in the embodiment is directly corresponding to the first water outlet 11 from top to bottom, and the water flow output by 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; after the water output by the second water outlet 12 is pressurized by the pressurizing surface 14, the water pressure can be increased, and the energy loss can be reduced; the structure ensures the pressure and the lift of two paths of water outlet together, and is beneficial to improving the cleaning effect.

The projection of the pressing surface 14 on the horizontal plane is an involute spiral 14' extending in the water flow direction. By adopting the structure, the centrifugal effect of the volute body is realized by using as few arc section structures as possible, so that the loss of water flow energy is reduced. The angle a of the circular arc corresponding to the gradually-opened spiral line 14' with the center of the spiral case as the center of the circle is 50-80 degrees, and more preferably 66 degrees. By adopting the structure, water flows along the throat of the wall surface of the volute, and the wall surface of the involute gradually increases the water pressure, so that the water lift at the second water outlet 12 of the volute is further improved.

The second water outlet 12 is arranged close to the bottom wall of the volute body 1, the bottom of the water outlet pipe section 15 is lower than the inner bottom wall of the volute body 1, and a water discharge area 151 which is concave relative to the inner bottom wall of the volute body 1 and is smoothly connected with the inner bottom wall of the volute body 1 is formed at the bottom of the water outlet pipe section 15. The structure is favorable for rapidly draining the water in the volute when draining, realizes no residual water in the volute, and avoids odor or secondary pollution caused by accumulated water.

In order to facilitate the installation of the volute of this embodiment, the outer bottom wall of the volute body 1 is provided with a positioning post 16 for positioning the volute. The positioning column 16 is arranged close to the water suction port 13, and the outer bottom wall of the volute body 1 is also provided with a flow guide rib 17 which is arranged close to the water suction port 13 and the positioning column 16 and used for rectifying. The guide ribs 17 are a plurality of and symmetrically arranged on two sides of the positioning column 16, and the guide ribs 17 are of a fusiform structure extending along the radial direction of the water suction port 13. The arrangement of the positioning column 16 may interfere the water flow at the water suction port 13, and by adopting the structure, the water flow near the positioning column 16 is rectified, so that the water flow is prevented from being disturbed, and the energy loss of the water flow is reduced.

The open water pump of this embodiment may set up water drawing impeller, diversion piece etc. in the spiral case inner chamber to better divide the rivers into two ways of going to first delivery port 11, second delivery port 12, because this embodiment emphasizes the contribution that spiral case structure itself made to the rivers energy loss, therefore does not make redundant description to other structures of open water pump.

The cleaning machine of this embodiment includes box, bottom water spray and top water spray, and the box bottom is provided with the return water region of indent, and top water spray, bottom water spray are located on the return water region and upper and lower interval arrangement, still include above-mentioned open water pump, and spiral case body 1 is located in the return water region and diapire is pressed close to return water region bottom and is arranged, and first delivery port 11 is used for being located bottom water spray water supply, and second delivery port 12 is used for supplying water for top water spray.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims

1. The utility model provides an open water pump's spiral case structure, includes spiral case body (1) that have draw water cavity (10), and this spiral case body (1) are the cylindric structure that has roof and diapire, its characterized in that: the spiral case is characterized in that a water suction port (13) is formed in the bottom wall of the spiral case body (1), a first water outlet (11) is formed in the top wall of the spiral case body, a second water outlet (12) is formed in the side wall of the spiral case body (1), a pressurizing surface (14) extending spirally from a first side edge (121) to a second side edge (122) of the second water outlet (12) in the water flow direction is arranged at the position corresponding to the second water outlet (12), and a water outlet pipe section (15) connected with the pressurizing surface (14) tangentially is connected to the outer side of the spiral case body (1).

2. The open water pump volute structure of claim 1, wherein: the projection of the pressure surface (14) on the horizontal plane is an involute spiral extending along the water flow direction.

3. The open water pump volute structure of claim 2, wherein: the arc angle (a) which corresponds to the involute spiral line (14') and takes the center of the spiral case as the center of the circle is 50-80 degrees.

4. The open water pump volute structure of claim 3, wherein: the arc angle (a) which corresponds to the involute spiral line (14') and takes the center of the spiral case as the center of the circle is 66 degrees.

5. The open water pump volute structure according to any one of claims 1 to 4, characterized in that: the second water outlet (12) is arranged close to the bottom wall of the volute body (1), the bottom of the water outlet pipe section (15) is lower than the inner bottom wall of the volute body (1), and a water draining area (151) which is concave relative to the inner bottom wall of the volute body (1) and is smoothly connected with the inner bottom wall of the volute body (1) is formed at the bottom of the water outlet pipe section (15).

6. The open water pump volute structure according to any one of claims 1 to 4, characterized in that: the outer bottom wall of the volute body (1) is provided with a positioning column (16) for positioning the volute.

7. The open water pump volute structure of claim 6, wherein: the positioning column (16) is arranged close to the water suction port (13), and the outer bottom wall of the volute body (1) is further provided with a flow guide rib (17) which is arranged close to the water suction port (13) and the positioning column (16) and used for rectifying.

8. The open water pump volute structure of claim 7, wherein: the guide ribs (17) are multiple and symmetrically arranged on two sides of the positioning column (16), and the guide ribs (17) are of a fusiform structure extending along the radial direction of the water suction port (13).

9. The utility model provides a cleaning machine, includes box, bottom water spray and top water spray, the box bottom is provided with the return water region of indent, top water spray, bottom water spray locate on the return water region and upper and lower interval arrangement, its characterized in that: the open water pump volute structure of any one of claims 1-8, wherein the volute body (1) is arranged in the water return area, the bottom wall of the volute body is arranged close to the bottom of the water return area, the first water outlet (11) is used for supplying water to the bottom spraying piece, and the second water outlet (12) is used for supplying water to the top spraying piece.