CN219691806U

CN219691806U - Impeller structure, double-deck spraying system and cleaning machine

Info

Publication number: CN219691806U
Application number: CN202320957951.2U
Authority: CN
Inventors: 侯富龙; 范文粲; 朱灯光
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-09-15
Anticipated expiration: 2033-04-23

Abstract

The utility model relates to an impeller structure, a double-layer spraying system and a cleaning machine, wherein the impeller structure comprises: a center shaft; the first blades are circumferentially arranged on the outer peripheral wall of the central shaft at intervals, and each first blade sequentially comprises a centrifugal section for dispersing fluid along the radial direction of the central shaft and an axial flow section capable of drawing fluid in the axial direction of the central shaft along the respective axial directions; the axial flow device comprises a central shaft, wherein a first blade capable of dispersing fluid along the radial direction of the central shaft is arranged between two adjacent axial flow sections of the central shaft, and a gap is reserved between the first blade and the second blade. The water flow at different positions can be thrown out, namely, the water outlet at different positions is realized, and the impeller structure can meet the requirements of double-layer spraying and can meet the requirements of users.

Description

Impeller structure, double-deck spraying system and cleaning machine

Technical Field

The utility model belongs to the technical field of washing machines for washing dishes and fruits and vegetables, and particularly relates to an impeller structure for water drawing, a double-layer spraying system and a washing machine.

Background

Current washers typically include a housing having a wash chamber and a spray device and rack disposed in the wash chamber for drawing water from the bottom of the housing into a spray member and spraying into the wash chamber to flush the dishes or vegetables.

The prior cleaning machine, such as the water pump impeller for cleaning machine and the application thereof, which is filed by the inventor in the prior art, is disclosed in the patent No. ZL201711463044.8, and comprises a second impeller which can disperse the fluid along the radial direction at least at a first end and a first impeller which can draw the fluid along the axial direction, wherein the first impeller is arranged at a second end of the second impeller and is coaxially arranged with the second impeller; the second impeller comprises a second central shaft and second blades, wherein the second blades are at least two and are arranged at the periphery of the second central shaft at intervals, and the second blades at least comprise upper sections extending along the radial direction of the second central shaft. The top of the water pump impeller is closed, and the water pump impeller is only suitable for a single-layer spraying system and does not allow water to continue to go upwards after passing through the centrifugal impeller.

In order to be suitable for a double-layer spraying system, as in Chinese patent application No. ZL201620704103.0 (issued to the public No. CN 205823716U), a water pump impeller is disclosed, which comprises a shaft sleeve arranged at the center and used for penetrating a rotating shaft, and a plurality of blades uniformly distributed on the periphery of the shaft sleeve, wherein each blade consists of an upper blade and a lower blade, the upper blade is a centrifugal blade, and the lower blade is an axial-flow blade. The impeller structure can only discharge water through one centrifugal blade, the mode is single, and the water discharge mode also causes larger energy loss.

Accordingly, there is a need for further improvements to existing impeller designs.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide an impeller structure capable of throwing out water flow from different positions, aiming at the current state of the art.

The second technical problem to be solved by the utility model is to provide a double-layer spraying system with the impeller structure.

The third technical problem to be solved by the utility model is to provide a cleaning machine with the double-layer spraying system.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: an impeller structure, comprising:

a center shaft;

the first blades are circumferentially arranged on the outer peripheral wall of the central shaft at intervals, and each first blade sequentially comprises a centrifugal section for dispersing fluid along the radial direction of the central shaft and an axial flow section capable of drawing fluid in the axial direction of the central shaft along the respective axial directions;

the method is characterized in that: the axial flow device comprises a central shaft, wherein a first blade capable of dispersing fluid along the radial direction of the central shaft is arranged between two adjacent axial flow sections of the central shaft, and a gap is reserved between the first blade and the second blade.

In order to disperse the water flow drawn up by the axial flow section radially outwards of the central shaft, the centrifugal section is perpendicular to the peripheral surface of the central shaft.

In order to disperse the water flow drawn upwards by the axial flow section towards the radial direction of the central shaft, the second blades are perpendicular to the peripheral surface of the central shaft.

In order to throw out water flows at different height positions, the height of the centrifugal section along the axial direction of the central shaft is larger than the height of the second blade along the axial direction of the central shaft.

In order to better realize climbing of water flow, the axial flow sections form an acute angle with the axial direction of the center shaft, so that each axial flow section forms a rotation direction along the circumferential direction on the whole. In this way, the axial flow sections arranged in a rotating direction better guide the surrounding water flow upwards.

The axial flow section can be in the form of a straight line section, an inclined section or an arc section, and preferably, the axial flow section is an arc section gradually bent along the rotation direction of the center shaft on the peripheral surface of the center shaft.

The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides a double-deck spraying system, including impeller structure, its characterized in that: including last casing and lower spray arm, have the open passageway of going into of bottom in the last casing, and this go up the casing be equipped with go into the spray hole of water passageway fluid communication, lower spray arm is located under the last casing, and the inside cavity of this lower spray arm is formed with the water collecting cavity, be equipped with on the bottom wall board of lower spray arm and supply water and get into the water inlet of water collecting cavity, and the top wall board of this lower spray arm correspond open position seted up with the through-hole that water collecting cavity is linked together, the part of second blade and axial flow section is located in the water collecting cavity, the centrifugation section is located go up the passageway of going into of casing.

The upper housing may be a basket or spray arm, but preferably the upper housing is a basket having a receiving cavity with a top opening for receiving the items to be cleaned therein, and a spray member is mounted on an outer bottom wall of the basket, and the spray holes are located on a top wall plate of the spray member. Thus, the object to be cleaned in the basket body is cleaned better.

In order to pump water into the water inlet, the water-collecting device further comprises a lower impeller for sucking water upwards, wherein the lower impeller is positioned below the impeller structure and is coaxially arranged with the impeller structure, and the upper part of the lower impeller passes through the water inlet and is positioned in the water-collecting cavity.

The technical scheme adopted by the utility model for solving the third technical problem is as follows: the utility model provides a cleaning machine, is including box and double-deck spraying system, the inside washing cavity that has of box, its characterized in that: the double-layer spraying system is claimed or is arranged in the washing chamber.

In order to realize the rotation of the impeller structure, a driving piece for driving the impeller structure to rotate is arranged below the box body, and an output shaft of the driving piece penetrates through a bottom wall plate of the box body and stretches into the washing cavity to be connected with the impeller structure. The driving piece is located below the box body, so that the short circuit of an internal circuit of the driving piece caused by the fact that washing water enters the driving piece is avoided, and the service life of the driving piece is prolonged.

For the easy to assemble lower spray arm, the bottom wall board of box is adjacent central position undercut and is formed with the sunk area, be provided with the mount in the sunk area, lower spray arm water inlet's circumference is along downwardly extending being formed with the rampart, the rampart rotationally sets up on the mount, the mount has the water mouth that supplies water through, along fluid flow path, the water mouth is located the upper reaches of water inlet.

In order to reliably pump water flow into the water inlet, a lower impeller for sucking water upwards is arranged in the fixing frame, the lower impeller is positioned below the impeller structure and is coaxially arranged with the impeller structure, and the upper part of the lower impeller passes through the water inlet and is positioned in the water collecting cavity.

Compared with the prior art, the utility model has the advantages that: the centrifugal section of the first blade and the second blade on the impeller structure are sequentially arranged along the axial direction of the central shaft, and both can disperse water flow outwards along the radial direction of the central shaft, so that water flow at different positions can be thrown out, namely water outlet at different positions is realized, the impeller structure can meet the requirement of double-layer spraying, and the requirement of a user can be met.

Drawings

Fig. 1 is a sectional view of a part of the structure of a cleaning machine of the present embodiment;

FIG. 2 is an enlarged schematic view of the portion I in FIG. 1;

FIG. 3 is a schematic view of the impeller structure of FIG. 1;

FIG. 4 is another angular cross-sectional view of the washer section configuration of the present embodiment;

FIG. 5 is a schematic view of the structure of FIG. 3 at another angle;

fig. 6 is a schematic view of another angle of fig. 5.

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 6, a preferred embodiment of the present utility model is shown. The cleaning machine is a cleaning machine for cleaning fruits, vegetables or dishes, and in this embodiment is a fruit, vegetable cleaning machine.

As shown in fig. 1 and 4, the cleaning machine of the present embodiment includes a tank 6, a double-layered shower system, and a driving member. Wherein the inside of the cabinet 6 is provided with a washing chamber 60. The double-layer spray system is arranged in the washing chamber 60 and comprises an upper shell, an impeller structure 2, a lower spray arm 4 and a lower impeller 5. The upper shell is a basket body 1, the basket body 1 is provided with a containing cavity 11 with an opening at the top for containing objects to be cleaned, a spraying piece 3 is arranged on the outer bottom wall of the basket body 1, and a spraying hole 312 is formed in the top wall plate of the spraying piece 3. The bottom wall plate of the basket body 1 has an open-bottomed water inlet passage 12, and the shower holes 312 are in fluid communication with the water inlet passage 12, and the shower holes 312 are located downstream of the water inlet passage 12 along the fluid flow path.

As shown in fig. 1, 2 and 4, the lower spray arm 4 is located below the basket 1, a water collecting cavity 40 is formed in the lower spray arm 4, a water inlet 401 for supplying water into the water collecting cavity 40 is formed in a bottom wall plate of the lower spray arm 4, a through hole 41 communicated with the water collecting cavity 40 is formed in a top wall plate of the lower spray arm 4 at a position corresponding to the opening, and in addition, spray holes spraying upwards are formed in a top wall plate of the lower spray arm 4. In order to realize the installation of the lower spray arm 4, a recessed area 61 is formed by downwardly recessing a bottom wall plate of the box body 6 at a position adjacent to the center, a fixing frame 62 is arranged in the recessed area 61, a circumferential edge of a water inlet 401 of the lower spray arm 4 is downwardly extended to form a circumferential wall 402, the circumferential wall 402 is rotatably arranged on the fixing frame 62, the fixing frame 62 is provided with a water passing port 621 through which water passes, and the water passing port 621 is positioned upstream of the water inlet 401 along a fluid flow path.

The impeller structure 2 is partially located in the water collecting chamber 40 and is also partially located in the water inlet channel 12. Specifically, as shown in fig. 3, 5 and 6, the impeller structure 2 of the present embodiment includes a center shaft 21, a plurality of first blades 22 and second blades 23. The center shaft extends in the up-down direction, and a plurality of first blades 22 are circumferentially arranged on the outer peripheral wall of the center shaft 21 at intervals, and each of the first blades 22 has the same structure, and one of the first blades 22 will be described as an example. The first vane 22 includes, in order along its own axis, a centrifugal section 221 for dispersing the fluid in the radial direction of the central shaft 21 and an axial flow section 222 for drawing the fluid in the axial direction of the central shaft 21. The centrifugal section 221 is located above the axial flow section 222, and the centrifugal section 221 is perpendicular to the circumferential surface of the central shaft 21 and is located in the water inlet channel 12. As shown in fig. 5, the axial flow sections 222 form an acute angle with the axial direction of the central shaft 21, so that each axial flow section 222 forms a rotation direction along the circumferential direction as a whole. In the present embodiment, the axial flow section 222 is an arc-shaped section that is gradually curved along the rotation direction of the center shaft 21 on the peripheral surface of the center shaft 21.

In addition, as shown in fig. 3, 5 and 6, the center shaft 21 is provided with second blades 23 capable of dispersing fluid in the radial direction of the center shaft 21 between adjacent two axial flow sections 222, the second blades 23 being perpendicular to the circumferential surface of the center shaft 21. There are a plurality of second blades 23, and a gap is left between the second blade 23 and the adjacent first blade 22. And, as shown in fig. 4 and 6, the second vane 23 is located below the centrifugal section 221, and the height of the centrifugal section 221 along the axial direction of the center shaft 21 is greater than the height of the second vane 23 along the axial direction of the center shaft 21. In the present embodiment, the second vane 23 and part of the axial flow section 222 are located within the water collecting chamber 40.

In order to pump water into the water inlet 401, as shown in fig. 1 and 4, a lower impeller 5 for drawing water upward is further provided at a position below the impeller structure 2, the fixing frame 62 surrounds the periphery of the lower impeller 5, the lower impeller 5 is coaxially arranged with the impeller structure 2, and an upper portion of the lower impeller 5 passes through the water inlet 401 to be located in the water collecting chamber 40. In order to realize the rotation of the impeller structure 2 and the lower impeller 5, a driving member is disposed below the casing 6 to be used for driving the rotation of the impeller structure 2 and the lower impeller 5, in this embodiment, the driving member is a motor 01, and an output shaft of the motor 01 penetrates through a bottom wall plate of the casing 6 and then stretches into the washing chamber 60 to be sequentially connected with the lower impeller 5 and the impeller structure 2.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims

1. An impeller structure, comprising:

a center shaft (21);

a plurality of first blades (22) circumferentially arranged at intervals on the outer peripheral wall of the center shaft (21), each first blade (22) sequentially including a centrifugal section (221) for dispersing fluid in the radial direction of the center shaft (21) and an axial flow section (222) capable of drawing fluid in the axial direction of the center shaft (21) along the respective axial directions;

the method is characterized in that: the center shaft (21) is provided with second blades (23) which can disperse fluid along the radial direction of the center shaft (21) between two adjacent axial flow sections (222), and gaps are reserved between the second blades (23) and the first blades (22).

2. The impeller structure of claim 1, wherein: the centrifugal section (221) is perpendicular to the peripheral surface of the center shaft (21).

3. The impeller structure of claim 1, wherein: the second blade (23) is perpendicular to the peripheral surface of the center shaft (21).

4. The impeller structure of claim 1, wherein: the height of the centrifugal section (221) along the axial direction of the central shaft (21) is larger than the height of the second blade (23) along the axial direction of the central shaft (21).

5. The impeller structure according to any one of claims 1 to 4, characterized in that: the axial flow sections (222) form an acute angle with the axial direction of the center shaft (21), so that each axial flow section (222) forms a rotation direction along the circumferential direction as a whole.

6. The impeller structure of claim 5, wherein: the axial flow section (222) is an arc section which is gradually curved along the rotation direction of the center shaft (21) on the peripheral surface of the center shaft (21).

7. The utility model provides a double-deck spraying system, including impeller structure, its characterized in that: the impeller structure is as claimed in any one of claims 1 to 6, a water inlet channel (12) with an open bottom is formed in the upper shell, spray holes (312) in fluid communication with the water inlet channel (12) are formed in the upper shell, the lower spray arm (4) is located below the upper shell, a water collecting cavity (40) is formed in the lower spray arm (4) in a hollow mode, a water inlet (401) for water to enter the water collecting cavity (40) is formed in a bottom wall plate of the lower spray arm (4), a through hole (41) communicated with the water collecting cavity (40) is formed in a position corresponding to the opening of a top wall plate of the lower spray arm (4), and the second blades (23) and parts of the axial flow section (222) are located in the water collecting cavity (40), and the centrifugal section (221) is located in the water inlet channel (12) of the upper shell.

8. The dual layer spray system of claim 7, wherein: the upper shell is a basket body (1), the basket body (1) is provided with a containing cavity (11) with an opening at the top for containing objects to be cleaned, a spraying piece (3) is arranged on the outer bottom wall of the basket body (1), and spraying holes (312) are formed in the top wall plate of the spraying piece (3).

9. The dual layer spray system of claim 7, wherein: the water collecting device further comprises a lower impeller (5) for drawing water upwards, the lower impeller (5) is located below the impeller structure (2) and is coaxially arranged with the impeller structure (2), and the upper part of the lower impeller (5) passes through the water inlet (401) and is located in the water collecting cavity (40).

10. The utility model provides a cleaning machine, is including box (6) and double-deck spraying system, box (6) inside has washing cavity (60), its characterized in that: the double-deck spray system is a double-deck spray system according to claim 7 or 8 and is arranged in the washing chamber (60).

11. The cleaning machine of claim 10, wherein: a driving piece used for driving the impeller structure (2) to rotate is arranged below the box body (6), and an output shaft of the driving piece penetrates through a bottom wall plate of the box body (6) and stretches into the washing chamber (60) to be connected with the impeller structure (2).

12. The cleaning machine of claim 10, wherein: the bottom wall board of box (6) is adjacent central position undercut and is formed with recessed area (61), be provided with mount (62) in recessed area (61), the circumference of lower spray arm (4) water inlet (401) is followed downwardly extending and is formed with rampart (402), rampart (402) rotationally set up on mount (62), mount (62) have water mouth (621) that water supply passed through, along the fluid flow path, water mouth (621) are located water inlet (401) the upper reaches.

13. The cleaning machine of claim 12, wherein: a lower impeller (5) for drawing water upwards is arranged in the fixing frame (62), the lower impeller (5) is positioned below the impeller structure (2) and is coaxially arranged with the impeller structure (2), and the upper part of the lower impeller (5) passes through the water inlet (401) and is positioned in the water collecting cavity (40).