CN216777008U

CN216777008U - Impeller and water flow system and cleaning machine with same

Info

Publication number: CN216777008U
Application number: CN202123011387.5U
Authority: CN
Inventors: 侯富龙; 范文粲; 魏瑞晖; 王小艳; 朱灯光
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-21
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to an impeller, a water flow system applying the impeller and a cleaning machine, wherein the impeller comprises a guide cylinder, a guide post, axial flow blades and centrifugal blades, the guide cylinder is vertically communicated, the guide post penetrates through the lower end of the guide cylinder and extends out of the lower part of the guide cylinder, the axial flow blades are spirally distributed on the periphery of the guide post below the guide cylinder, the centrifugal blades are distributed on the periphery of the guide post at intervals along the circumferential direction, the outer ends of the centrifugal blades penetrate through the guide cylinder and extend out of the guide cylinder and are used for circumferentially dispersing water flow outside the guide cylinder, and axial guide channels are formed among the centrifugal blades in the guide cylinder. The guide shell is internally provided with an axial guide channel separated by the centrifugal blades, the guide channel can be matched with the axial flow blades to guide most of water upwards along the axial direction, and a small amount of water can be circumferentially dispersed under the action of the centrifugal blades on the peripheral wall of the guide shell to realize the control of water distribution flow in the axial direction and the circumferential direction, so that the requirements of large amount of water in the axial direction and small amount of water in the radial direction are met.

Description

Impeller and water flow system and cleaning machine with same

Technical Field

The utility model relates to the technical field of dish washing machines, in particular to an impeller, a water flow system using the impeller and a washing machine using the impeller.

Background

With the increasing living standard of people, the dish washing machine is used as a kitchen household appliance and is more and more introduced into families. The dish-washing machines on the market are generally divided into a table type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the table type dish-washing machine is an integral independent structure and is generally placed on a table top for use; the cabinet type dish washing machine is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the sink dishwasher is combined with a sink and is generally installed in a kitchen cabinet for use.

At present, the structure of a relatively mature water tank type cleaning machine in the market is mainly described in chinese patent "water tank type cleaning machine" (application number: CN201310750968.1) with publication number CN104224074B, that is, the water tank type cleaning machine comprises a tank body forming a washing space, the tank body comprises a water tank body and a cover plate rotatably connected to the water tank body, a concave draining area is arranged at least at the central part of the bottom of the water tank body, a water pump for pumping water in the draining area to the washing space above the draining area is arranged in the draining area, the draining area is covered with a draining plate with draining holes, and a rotary spray arm which is communicated with the water pump and has water outlet holes is arranged above the draining plate. By arranging the draining area covered with the draining plate and arranging the water pump in the draining area, the water pump is isolated from the washing area, so that the water flowing back to the water pump is filtered by the draining plate.

The tank type cleaning machine disclosed an open type water flow system, in which an impeller is combined with a spray arm for drawing water from the bottom of a tank body into the spray arm. However, the impeller and the spray arm can only realize bottom spraying, and cannot further guide water in the axial direction and guide concentrated water flow upwards, so that the requirement for the development of a water flow system is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the utility model is to provide an impeller which can axially guide a large amount of water flow and circumferentially disperse a small amount of water flow so as to meet the requirements of corresponding water flow systems, aiming at the current situation of the prior art.

The second technical problem to be solved by the present invention is to provide a water flow system using the above impeller in view of the current state of the art.

The third technical problem to be solved by the present invention is to provide a cleaning machine using the above water flow system, aiming at the current situation of the prior art.

The technical scheme adopted by the utility model for solving at least one technical problem is as follows:

the utility model provides an impeller, includes draft tube, guide post, axial flow blade and centrifugal blade, the draft tube link up from top to bottom, the guide post passes the draft tube lower extreme and stretches out the draft tube below, axial flow blade spiral distribution is in the draft tube periphery of draft tube below, centrifugal blade is a plurality ofly and along the periphery of circumference interval distribution at the guide post, centrifugal blade's outer end passes the draft tube and stretches out outside the draft tube, is used for carrying out the circumference dispersion with the rivers outside the draft tube, is located in the draft tube form axial water conservancy diversion passageway between the centrifugal blade.

Preferably, a first guide structure for enabling two adjacent centrifugal blades to smoothly transit is arranged on the outer peripheral wall of the guide cylinder.

Preferably, the centrifugal blades in the guide shell extend upwards gradually from the outer end to the inner end along the water flow direction, and the top of the centrifugal blades is a second guide structure with an arc-shaped structure.

Preferably, the upper end surface of the flow guide column is formed into an applied third flow guide structure.

The water flow system with the impeller comprises an auxiliary pipe which extends vertically and is provided with a water guide channel, a guide pipe which extends outwards and is communicated with the water guide channel is arranged on the periphery of the auxiliary pipe and is close to the lower end of the auxiliary pipe, the impeller can be rotatably arranged in the water guide channel, and centrifugal blades are arranged corresponding to the input end of the guide pipe. The auxiliary pipe can perform horizontal jet of water flow in the vertical direction, so that the spraying range is enlarged, the cleaning dead angle is eliminated, and the cleaning effect is improved; the guiding pipe can wash the inner bottom wall of the dish washer, so that the inner wall of the washing cavity is kept clean.

Preferably, the lower part of the water guide channel is provided with a liquid guide cavity for accommodating the centrifugal blade, the guide pipe is connected with the liquid guide cavity, the top of the liquid guide cavity is provided with a guide port of which the inner diameter is smaller than that of the liquid guide cavity, and the upper part of the guide cylinder penetrates through the guide port to be arranged. This configuration is advantageous for reducing fluid energy losses.

A cleaning machine with the water flow system comprises a box body, a spray arm and a door body, wherein the box body is hollow to form a washing cavity, the spray arm is arranged at the bottom of the washing cavity, the door body is arranged at the top of the box body and used for opening or closing an opening at the top of the washing cavity, an auxiliary pipe is vertically arranged at the central part of the washing cavity, and a fluid output port communicated with a water guide channel is formed in the outer peripheral wall of the auxiliary pipe; the top wall of the spray arm is provided with a water outlet opening, the upper end of the water guide channel is a blind end, and the lower end of the water guide channel is a lower opening which is oppositely connected with the water outlet opening of the spray arm.

On the basis of keeping the bottom spray arm, the middle part of the washing cavity is provided with the auxiliary pipe which vertically extends, and under the cleaning state, part of water in the spray arm flows through the spray arm to be sprayed upwards, and the other part of water flow is conveyed upwards to the auxiliary pipe and is sprayed outwards from the middle part of the washing cavity, so that the problem that the water column strength is smaller when the existing bottom spray arm sprays upwards is solved, and the improvement of the cleaning effect is facilitated

Compared with the prior art, the utility model has the advantages that: the impeller is provided with the guide shell which is axially arranged, the guide shell is internally divided into the axial guide channels through the centrifugal blades, the guide channels can be matched with the axial flow blades to guide most of water upwards along the axial direction, and less of the water can be circumferentially dispersed under the action of the centrifugal blades on the peripheral wall of the guide shell, so that the control of the water distribution flow in the axial direction and the circumferential direction is realized, and the requirements of large amount of water in the axial direction and small amount of water in the radial direction are met.

Drawings

FIG. 1 is a schematic structural diagram of a cleaning machine according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of the lower end of an auxiliary tube in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an impeller according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of fig. 5.

Detailed Description

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

As shown in fig. 5 and 6, the impeller 200 of the present embodiment includes a guide shell 201, a guide post 202, an axial flow blade 203 and a centrifugal blade 204, the guide shell 201 is through from top to bottom, the guide post 202 passes through the lower end of the guide shell 201 and extends out of the guide shell 201, the axial flow blade 203 is spirally distributed on the periphery of the guide post 202 below the guide shell 201, the centrifugal blades 203 are multiple and circumferentially distributed on the periphery of the guide post 202 at intervals, the outer ends of the centrifugal blade 204 pass through the guide shell 201 and extend out of the guide shell 201 for circumferentially dispersing water flow outside the guide shell 201, and an axial guide channel 205 is formed between the centrifugal blades 204 located in the guide shell 201.

The outer peripheral wall of the guide shell 201 is provided with an arc-shaped first guide structure 206 for enabling two adjacent centrifugal blades 204 to smoothly transition. The centrifugal blades 204 in the guide shell 201 gradually extend upwards from the outer end to the inner end along the water flow direction to form a second guide structure 207 with an arc-shaped top. The upper end surface of the flow guide column 202 is shaped as an applied third flow guide structure 208. The structure is beneficial to reducing the energy loss of the water flow.

The impeller is provided with a guide shell 201 which is axially arranged, an axial guide channel 205 is separated from the guide shell 201 through a centrifugal blade 204, the guide channel 205 can be matched with an axial flow blade 204 to guide most of water upwards along the axial direction, and less of the water can be circumferentially dispersed under the action of the centrifugal blade 204 on the outer peripheral wall of the guide shell 201, so that the control of water diversion flow in the axial direction and the circumferential direction is realized, and the requirements of large amount of water delivery in the axial direction and small amount of water delivery in the radial direction are met.

As shown in fig. 1 to 6, the water flow system to which the impeller is applied in the present embodiment includes an auxiliary pipe 5 extending vertically and having a water guide channel 51, a guide pipe 31 extending outward and communicating with the water guide channel 51 is provided near a lower end of the outer periphery of the auxiliary pipe 5, the impeller 200 is rotatably provided in the water guide channel 51, and the centrifugal blade 204 is disposed corresponding to an input end of the guide pipe 31. The auxiliary pipe 5 can perform horizontal jet of water flow in the vertical direction, so that the spraying range is enlarged, the cleaning dead angle is eliminated, and the cleaning effect is improved; and the guide pipe 31 can wash the inner bottom wall of the dish washer, thereby keeping the inner wall of the washing chamber clean.

The lower part of the water guide channel 51 is provided with a liquid guide cavity 515 for accommodating the centrifugal blade 204, the input end of the guide pipe 31 is connected with the liquid guide cavity 515, the top of the liquid guide cavity 515 is provided with a guide port 516 with the inner diameter smaller than that of the liquid guide cavity 515, and the upper part of the guide cylinder 201 passes through the guide port 516 to be arranged. The structure is favorable for improving the assembly compactness, reducing the energy loss of water flow and keeping a better water guide effect.

The cleaning machine that this embodiment was used to have above-mentioned rivers system includes box 1, spray arm 2 and door body 4, and the inside cavity of box 1 forms washing chamber 10, and spray arm 2 sets up in the bottom of this washing chamber 10, and door body 4 sets up in box 1 top and is used for opening or closing the top of washing chamber 10. The auxiliary pipe 5 is vertically arranged at the central part of the washing cavity 10, the auxiliary pipe 5 can be integrated on the bowl basket 3, and a fluid output port 53 which is communicated with the water guide channel 51 in a fluid mode is formed in the outer peripheral wall of the auxiliary pipe 5; the top wall of the spray arm 2 is provided with a water outlet opening 21, the upper end of the water guide channel 51 is a blind end, and the lower end of the water guide channel is a lower opening 510 which is relatively connected with the water outlet opening 21 of the spray arm 2. A water drawing impeller 300 for guiding water upward through the lower opening 510 may be disposed in the spray arm 2, and the water drawing impeller 300 may simultaneously disperse water in the spray arm 2 in an axial direction.

In the embodiment, on the basis of keeping the bottom spray arm 2, the auxiliary pipe 5 extending vertically is arranged in the middle of the washing cavity 10, and in a cleaning state, part of water in the spray arm 2 flows through the spray arm 2 to be sprayed upwards, and the other part of water flow is conveyed upwards to the auxiliary pipe 5 and sprayed outwards from the middle of the washing cavity 10, so that the problem that the water column strength is smaller when the existing bottom spray arm 2 sprays upwards is solved, and the cleaning effect is improved; meanwhile, the bottom of the box body 1 is flushed through the guide pipe 31 to avoid residue accumulation, and the slag collecting effect is 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 utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. An impeller, characterized by: the guide shell structure is characterized by comprising a guide shell (201), guide columns (202), axial flow blades (203) and centrifugal blades (204), wherein the guide shell (201) is communicated up and down, the guide columns (202) penetrate through the lower end of the guide shell (201) and extend out of the lower portion of the guide shell (201), the axial flow blades (203) are spirally distributed on the periphery of the guide columns (202) below the guide shell (201), the centrifugal blades (204) are distributed on the periphery of the guide columns (202) at intervals along the circumferential direction, the outer ends of the centrifugal blades (204) penetrate through the guide shell (201) and extend out of the guide shell (201) and are used for circumferentially dispersing water flow outside the guide shell (201), and axial guide channels (205) are formed among the centrifugal blades (204) located in the guide shell (201).

2. The impeller of claim 1, wherein: the outer peripheral wall of the guide cylinder (201) is provided with a first guide structure (206) which enables two adjacent centrifugal blades (204) to be in smooth transition.

3. The impeller of claim 1, wherein: the centrifugal blades (204) in the guide shell (201) gradually extend upwards from the outer end to the inner end along the water flow direction to form a second guide structure (207) with an arc-shaped top.

4. An impeller according to claim 1, 2 or 3, wherein: the upper end face of the flow guide column (202) is formed into an applied third flow guide structure (208).

5. A water flow system using the impeller of any one of claims 1 to 4, wherein: including vertical extension and have auxiliary tube (5) of water guide way (51), the periphery of auxiliary tube (5) is provided with to extend and with guide tube (31) that water guide way (51) are linked together near lower extreme department, impeller (200) can locate rotatably in water guide way (51) and centrifugal blade (204) correspond the input of guide tube (31) and arrange.

6. The water flow system of claim 5, wherein: the lower part of the water guide channel (51) is provided with a liquid guide cavity (515) for accommodating the centrifugal blade (204), the guide pipe (31) is connected with the liquid guide cavity (515), the top of the liquid guide cavity (515) is provided with a guide opening (516) with the inner diameter smaller than that of the liquid guide cavity (515), and the upper part of the guide cylinder (201) penetrates through the guide opening (516) to be arranged.

7. A cleaning machine with the water flow system of claim 5 or 6, comprising a box body (1), a spray arm (2) and a door body (4), wherein the inside of the box body (1) is hollow to form a washing chamber (10), the spray arm (2) is arranged at the bottom of the washing chamber (10), the door body (4) is arranged at the top of the box body (1) and is used for opening or closing the top opening of the washing chamber (10), and the cleaning machine is characterized in that: the auxiliary pipe (5) is vertically arranged at the central part of the washing cavity (10), and a fluid output port (53) communicated with the fluid of the water guide channel (51) is formed in the peripheral wall of the auxiliary pipe (5); the top wall of the spray arm (2) is provided with a water outlet opening (21), the upper end of the water guide channel (51) is a blind end, and the lower end of the water guide channel is a lower opening (510) which is relatively connected with the water outlet opening (21) of the spray arm (2).