CN216776994U - Impeller and water flow system and cleaning machine with same - Google Patents

Abstract

The utility model relates to an impeller, a water flow system and a cleaning machine applying the impeller, wherein the impeller comprises a guide cylinder, centrifugal blades, a sealing cover, a guide post and inner guide blades, the lower part of the guide cylinder is a first direct-current section, the upper part of the guide cylinder is a first conical section with the diameter gradually reduced from bottom to top, a plurality of the centrifugal blades are arranged on the outer peripheral wall of the first direct-current section at intervals, the sealing cover covers the tops of the centrifugal blades, the guide post is arranged in the guide cylinder in a penetrating manner, the inner guide blades are arranged between the guide cylinder and the guide post at intervals along the circumferential direction, and a guide channel for guiding water from bottom to top is constructed between two adjacent inner guide blades. The centrifugal blades on the periphery of the guide cylinder are used for circumferentially dispersing water flow on the periphery of the guide cylinder, so that the spray arms upwards spray water columns to form bottom spray cleaning, and the space in the guide cylinder axially conveys the water flow, so that the part of the water flow continuously upwards reaches the auxiliary spray structure, and is matched with the bottom spray to enlarge the spray area and improve the cleaning effect.

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 applying the impeller and a washing machine.

Background

With the increasing living standard of people, the dish washing machine as a kitchen household appliance 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 continuously guide the spray arm upwards while dispersing circumferentially in the spray arm so as to meet the requirement of auxiliary spraying above the spray arm and improve the cleaning effect, 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, centrifugal blade, closing cap, guide post and interior guide blade, the lower part of draft tube is first direct current section, upper portion for the first toper section that the diameter gradually reduces from bottom to top, centrifugal blade is a plurality of and interval arrangement on the periphery wall of first direct current section, the closing cap covers the top at centrifugal blade, the guide post is worn to locate in the draft tube, interior guide blade is a plurality of and along circumference interval arrangement between draft tube and guide post, constructs the water conservancy diversion passageway that is used for guiding water from bottom to top between the adjacent two interior guide blade.

Preferably, the lower portion of the flow guiding column is a second straight flow section corresponding to the lower portion of the first straight flow section, the upper portion of the flow guiding column is a second tapered section corresponding to the upper portion of the first straight flow section and the first tapered section, and the slope of the second tapered section is smaller than the slope of the first tapered section.

Preferably, the inner guide vane corresponding to the second straight flow section is a centrifugal section vane extending along the radial direction of the impeller, and the inner guide vane corresponding to the second conical section is an axial flow section vane twisted spirally along the axial direction of the guide column.

The water flow system with the impeller comprises a spray arm and an auxiliary pipe with a water guide channel, wherein a water spraying hole is formed in the top wall of the spray arm, a water outlet opening is formed in the central part of the top wall of the spray arm, the auxiliary pipe is vertically arranged above the spray arm, the upper end of the water guide channel is a blind end, the lower end of the water guide channel is a lower opening which is relatively connected with the water outlet opening of the spray arm, and the impeller can be rotatably arranged in the spray arm and the upper end of the impeller is arranged corresponding to the lower opening. Adopt above-mentioned structure, on the basis of keeping bottom spray arm, set up the auxiliary tube of vertical extension in the middle part of washing chamber, under the cleaning state, partial rivers among the spray arm upwards spray, another part rivers upwards carry to the auxiliary tube in and outwards spray from washing chamber middle part through the spray arm to remedy current bottom spray arm and upwards spray the problem that the water column dynamics is little more, be favorable to improving the cleaning performance.

Preferably, the bottom wall of the spraying arm is provided with a water inlet arranged corresponding to the water outlet opening, the lower end of the impeller is arranged corresponding to the water inlet, the upper end of the impeller penetrates through the water outlet opening and is arranged corresponding to the lower opening of the auxiliary pipe, and the water guide channel is internally provided with a first impeller which can synchronously rotate with the impeller and further guides water upwards. The structure is beneficial to improving the upward water drawing effect, so that the jet flow of the auxiliary pipe keeps larger flow and pressure, and the cleaning effect is further improved.

In order to facilitate connection, the upper end of the flow guide column is provided with a connecting shaft which extends upwards, and correspondingly, a shaft hole which extends upwards from the bottom and is matched and connected with the connecting shaft is formed in the first impeller.

Preferably, the top of the impeller is provided with a straight cylinder section extending upwards around the periphery of the first conical section, and the inner space of the straight cylinder section is used for accommodating the lower part of the first impeller. This structure is advantageous in reducing the loss of capacity.

Preferably, an axial flow impeller for drawing water below the spray arm into the spray arm through a water inlet is arranged below the spray arm, the upper end of the axial flow impeller is connected with the lower end of the impeller, and a driving part with a power output shaft connected with the axial flow impeller and the impeller is arranged below the axial flow impeller. Thereby providing power for water flow delivery.

The utility model provides an use cleaning machine that has above-mentioned rivers system, includes box, spray arm and the door body, the inside cavity of box forms the washing chamber, the spray arm sets up in the bottom in this washing chamber, the door body sets up in the box top and is used for opening or closing the top of washing chamber, the bowl basket has been placed in the washing chamber, the auxiliary pipe restraint is at the central part of bowl basket.

Compared with the prior art, the utility model has the advantages that: the impeller is provided with the guide cylinder, the centrifugal blades on the periphery of the guide cylinder are used for circumferentially dispersing water flow on the periphery of the guide cylinder, so that the spray arms upwards spray water columns to form bottom spray cleaning, meanwhile, the space in the guide cylinder axially conveys the water flow, the part of the water flow continuously upwards reaches the auxiliary spray structure and is matched with the bottom spray to enlarge the spray area and improve the cleaning effect; the conical section on the impeller of the utility model can pressurize the axially guided water flow, thus being beneficial to maintaining higher water pressure.

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 schematic structural diagram of an impeller according to an embodiment of the present invention;

FIG. 5 is a schematic bottom view of FIG. 4;

fig. 6 is a cross-sectional view of fig. 4.

Detailed Description

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

As shown in fig. 1 to 6, the impeller 300 of the present embodiment includes a guide shell 301, centrifugal blades 302, a sealing cover 303, a guide column 304 and inner guide blades 305, as shown in fig. 4 to 6, the lower portion of the guide shell 301 is a first straight-flow section 3011, the upper portion of the guide shell is a first tapered section 3012 with a diameter gradually decreasing from bottom to top, the centrifugal blades 302 are arranged on the outer peripheral wall of the first straight-flow section 3011 at intervals, the sealing cover 303 covers the top of the centrifugal blades 302, and when in use, the sealing cover 303 is arranged close to the inner top wall of the spray arm 2 to avoid the generation of vortex.

The guide columns 304 are arranged in the guide cylinder 301 in a penetrating manner, a plurality of inner guide vanes 305 are arranged between the guide cylinder 301 and the guide columns 304 at intervals along the circumferential direction, and a guide channel 306 for guiding water from bottom to top is formed between every two adjacent inner guide vanes 305. The structure is beneficial to reducing energy loss and improving the water guide effect.

The lower portion of the flow guiding column 304 is a second straight section 3041 corresponding to the lower portion of the first straight section 3011, the upper portion of the flow guiding column 304 is a second tapered section 3042 corresponding to the upper portion of the first straight section 3011 and the first tapered section 3012, and the slope of the second tapered section 3042 is smaller than the slope of the first tapered section 3041. The structure is beneficial to further reducing energy loss and improving the water guide effect.

The inner guide vane 305 corresponding to the second straight flow section 3041 is a centrifugal section vane 3051 extending along the radial direction of the impeller 300, and the inner guide vane 305 corresponding to the second conical section 3042 is an axial flow section vane 3052 spirally twisted along the axial direction of the guide pillar 304. The upper portion of draft tube 301 of this embodiment is the first toper section 3012 that the diameter reduces gradually from bottom to top, and the liquid that upwards carries in draft tube 301 increases gradually from bottom to top pressure promptly, combines the guide effect of centrifugation section blade 3051, is favorable to further improving the power and the pressure of upwards carrying rivers, is favorable to improving the cleaning effect that sprays of auxiliary tube 5.

As shown in fig. 1 to 6, the water flow system using the impeller in the present embodiment includes a spray arm 2 and an auxiliary pipe 5 having a water guide channel 51, a water spray hole 20 is opened on a top wall of the spray arm 2, a water outlet 21 is opened at a central portion of the top wall of the spray arm 2, the auxiliary pipe 5 is vertically disposed above the spray arm 2, an upper end of the water guide channel 51 is a blind end, a lower end of the water guide channel is a lower opening 510 relatively connected to the water outlet 21 of the spray arm 2, the impeller 300 is rotatably disposed in the spray arm 2, and the upper end of the impeller is disposed corresponding to the lower opening 510. The outer peripheral wall of the auxiliary pipe 5 is provided with a fluid outlet 53 communicating with the water guide passage 51. Adopt above-mentioned structure, on the basis of keeping bottom spray arm 2, set up vertical extension's auxiliary tube 5 in the middle part of washing chamber 10, under the cleaning condition, partly rivers among spray arm 2 upwards spray through spray arm 2, another part rivers upwards carry to auxiliary tube 5 in and outwards spray from washing chamber 10 middle part to remedy current bottom spray arm 2 and upwards spray the problem that the water column dynamics is littleer more, be favorable to improving the cleaning performance.

The bottom wall of the spray arm 2 is provided with a water inlet 22 corresponding to the water outlet opening 21, the lower end of the impeller 300 is arranged corresponding to the water inlet 22, the upper end of the impeller 300 penetrates through the water outlet opening 21 and is arranged corresponding to the lower opening 510 of the auxiliary pipe 5, and the water guide channel 51 is provided with a first impeller 200 which can synchronously rotate with the impeller 300 and further guide water upwards. The structure is beneficial to improving the upward water drawing effect, so that the jet flow of the auxiliary pipe 5 keeps larger flow and pressure, and the cleaning effect is further improved.

The upper end of the flow guiding column 304 is provided with a connecting shaft 3043 extending upward, and correspondingly, a shaft hole extending upward from the bottom and connected with the connecting shaft 3043 in a matching manner is formed in the first impeller 200. Thereby enabling the impeller 300 and the first impeller 200 to be rotated in synchronization.

The top of the impeller 300 is provided with a straight cylindrical section 3013 extending upward around the periphery of the first conical section 3012, and the inner space of the straight cylindrical section 3013 is used for accommodating the lower part of the first impeller 200. This structure encloses the lower portion of the first impeller 200 therein, advantageously avoiding energy losses therein.

As shown in fig. 3, an axial flow impeller 400 for drawing water at the bottom of the tank 1 into the spray arm 2 through the water inlet 22 is disposed below the spray arm 2, the upper end of the axial flow impeller 400 is connected to the lower end of the impeller 300, a driving member 6 having a power output shaft connected to the axial flow impeller 400 and the impeller 300 is disposed at the bottom of the tank 1, and the driving member 6 is a motor. Thereby providing power for water flow delivery.

The cleaning machine that has above-mentioned rivers system is used to this embodiment, including box 1, spray arm 2 and door body 4, the inside cavity of box 1 forms washing chamber 10, spray arm 2 sets up in the bottom of this washing chamber 10, door body 4 sets up in box 1 top and is used for opening or closing the top of washing chamber 10, placed bowl basket 3 in the washing chamber 10, auxiliary tube 5 retrains the central part at bowl basket 3, auxiliary tube 5 can with bowl basket 3 integrated into one piece, also can be the formula of shirking and connect.

The impeller of this embodiment has set up draft tube 301, and the centrifugal blade 302 of draft tube 301 periphery is used for carrying out circumference dispersion with its outlying rivers to make spray arm 2 upwards spray the water column, form the bottom and spray the washing, simultaneously, the space in the draft tube 301 carries out axial to rivers and carries, makes this part rivers continue upwards to the supplementary structure of spraying, thereby sprays with the bottom and cooperate and enlarge the area of spraying, improve the cleaning performance.

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 (9)

1. An impeller, characterized by: including draft tube (301), centrifugal vane (302), closing cap (303), guide post (304) and interior guide vane (305), the lower part of draft tube (301) is first direct current section (3011), upper portion for first toper section (3012) that the diameter reduces gradually from bottom to top, centrifugal vane (302) are a plurality ofly and interval arrangement on the periphery wall of first direct current section (3011), the top at centrifugal vane (302) is covered in closing cap (303), guide post (304) wear to locate in draft tube (301), interior guide vane (305) are a plurality ofly and along circumference interval arrangement between draft tube (301) and guide post (304), construct between two adjacent interior guide vane (305) and be used for guide flow channel (306) of water from bottom to top.

2. The impeller of claim 1, wherein: the lower portion of the flow guide column (304) is a second straight-flow section (3041) corresponding to the lower portion of the first straight-flow section (3011), the upper portion of the flow guide column (304) is a second tapered section (3042) corresponding to the upper portion of the first straight-flow section (3011) and the first tapered section (3012), and the gradient of the second tapered section (3042) is smaller than that of the first tapered section (3012).

3. The impeller of claim 2, wherein: the inner guide vane (305) corresponding to the second straight flow section (3041) is a centrifugal section vane (3051) extending along the radial direction of the impeller (300), and the inner guide vane (305) corresponding to the second conical section (3042) is an axial flow section vane (3052) spirally twisted along the axial direction of the guide column (304).

4. A water flow system using the impeller of claim 1, 2 or 3, wherein: including spray arm and have auxiliary tube (5) of water guide way (51), it has hole for water spraying (20) to open on the roof of spray arm (2), the central part of spray arm (2) roof is opened there is water outlet opening (21), auxiliary tube (5) vertical arrangement is in spray arm (2) top, the upper end of water guide way (51) is lower uncovered (510) of being connected relatively for water outlet opening (21) with spray arm (2) for cecum, lower extreme, impeller (300) can be located with rotating in spray arm (2) and the upper end corresponds under uncovered (510) and arranges.

5. The water flow system of claim 4, wherein: the water spraying device is characterized in that a water inlet (22) corresponding to the water outlet opening (21) is formed in the bottom wall of the spraying arm (2), the lower end of the impeller (300) corresponds to the water inlet (22) and the upper end of the impeller passes through the lower opening (510) of the water outlet opening (21) corresponding to the auxiliary pipe (5) and is arranged, and a first impeller (200) capable of synchronously rotating with the impeller and further guiding water upwards is arranged in the water guide channel (51).

6. The water flow system of claim 5, wherein: the upper end of the flow guide column (304) is provided with a connecting shaft (3043) extending upwards, and correspondingly, a shaft hole extending upwards from the bottom and connected with the connecting shaft (3043) in a matching manner is formed in the first impeller (200).

7. The water flow system of claim 5, wherein: the top of the impeller (300) is provided with a straight cylinder section (3013) extending upwards around the periphery of the first conical section (3012), and the inner space of the straight cylinder section (3013) is used for accommodating the lower part of the first impeller (200).

8. The water flow system of claim 5, wherein: an axial flow impeller (400) used for drawing water below the spraying arm (2) into the spraying arm (2) through a water inlet (22) is arranged below the spraying arm (2), the upper end of the axial flow impeller (400) is connected with the lower end of the impeller (300), and a driving piece (6) with a power output shaft connected with the axial flow impeller (400) and the impeller (300) is arranged below the axial flow impeller (400).

9. A cleaning machine with a water flow system according to any one of claims 4 to 8, comprising a box body (1), a spray arm (2) and a door body (4), wherein the interior 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 a top opening of the washing chamber (10), and the cleaning machine is characterized in that: the washing cavity (10) is internally provided with a bowl basket (3), and the auxiliary pipe (5) is restricted at the central part of the bowl basket (3).

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