CN213775713U

CN213775713U - Open water pump and cleaning machine with same

Info

Publication number: CN213775713U
Application number: CN202022221092.XU
Authority: CN
Inventors: 韩健健
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-23
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to an open water pump and applied cleaning machine that has this water pump, open water pump is including spraying arm and impeller subassembly, the central part that sprays the arm has the chamber that catchments, both sides have the runner that is linked together with this chamber that catchments, impeller subassembly upper portion is for locating the centrifugal impeller who catchments in the chamber with rotating, centrifugal impeller has the axle that is located the center and a plurality of centrifugal blades of interval arrangement on the periphery wall of this axle, thereby the epaxial baffle that is provided with along radial extension and separates centrifugal blade for last blade and lower blade, epaxial the opening has the passageway of rivers to baffle top that link up and supply the baffle below from top to bottom. In the cleaning process, the bubbles in the water collecting cavity are positioned above the baffle, one part of water entering the water collecting cavity through the water inlet enters the flow channel from the lower side of the baffle, the other part of water enters the upper side of the baffle through the channel on the shaft, and the bubbles are dispersed from the central part of the water collecting cavity to the periphery by the partial water flow and further enter the flow channel to be discharged under the guiding action of the upper blade, so that the air binding is avoided.

Description

Open water pump and cleaning machine with same

Technical Field

The utility model relates to a kitchen appliance specifically indicates an open water pump and applied cleaning machine that has this water pump for rinsing bowl dish, fruit vegetables.

Background

A dishwasher is an apparatus that sprays cold or hot water to dishes to remove dirt adhered to the dishes and wash the dishes. Dishes are placed in a dish frame inside a dish washing cabinet, and a general dish washing machine includes a pump and a spray head to spray washing water, a heater to generate hot water, and the like.

The water tank type cleaning machine comprises a box body forming a washing space, wherein the box body comprises a water tank body and a cover plate which is rotatably connected to the water tank body, the bottom of the water tank body is at least provided with a concave draining area at the central part, 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, a rotary spray arm for pumping water out of the water pump is arranged above the draining plate, and a heater is further arranged in the draining area.

The existing cleaning machine adopts an open water pump, namely a water pumping component is combined with a spray arm, the spray arm is used as a pump shell, and an impeller part is positioned in the spray arm to draw water through rotation. The negative pressure is concentrated in the region between the top of impeller blade and the inner top wall of spray arm when in operation, and the rivers easily form the swirl here, and along with the bubble (the powder of washing the dishes, egg etc. produce) gathering here that smugglies carried in the rivers, the foam can't escape' and go out here, leads to the foam here to be detained, and along with the propulsion of washing time, here foam is more and more. At this moment, the medium that impeller blade whipped exists a large amount of air, can't form sufficient negative pressure suction rivers, finally leads to "air tie", that is to say the spray arm spiral case is all the bubble, can't draw rivers. Although restarting after a shutdown can temporarily solve the problem, the process often takes only a few minutes to form during the cleaning process, and the cleaning effect and the cleaning efficiency are affected along with multiple shutdown restarts.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is the current situation to prior art, thereby provides one kind and can guide the bubble with the bubble discharge, avoid taking place the open water pump that the gas tied up.

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: the utility model provides an open water pump, includes spray arm and impeller subassembly, the central part that sprays the arm has the chamber of catchmenting, both sides have respectively with this runner that catchment the chamber and be linked together, it has the hole for water spraying to open on the diapire of spray arm on water inlet, the roof that are linked together with the chamber of catchmenting, its characterized in that: the upper portion of impeller subassembly is for can locating the centrifugal impeller in the chamber that catchments with rotating, and this centrifugal impeller has the axle that is located the center and arranges a plurality of centrifugal blades on the periphery wall of this axle at interval, thereby it separates into the baffle of upper blade and lower blade to still be provided with radial extension on the axle to centrifugal blade, it has the passageway that link up from top to bottom and supply the rivers of baffle below to the baffle top to open on the axle.

Preferably, a gap for passing water is formed between the outer peripheral wall of the shaft and the baffle, and the gap and the centrifugal blades on both sides of the gap jointly enclose an outer channel which is communicated up and down. The central part of the shaft is provided with a shaft hole used for being connected with a power source, the periphery of the shaft hole is provided with a plurality of inner channels which are arranged at intervals along the circumferential direction, and the inner channels and the outer channels jointly form the channel. The structure can form internal and external bidirectional multi-position water flow impact, so that bubbles accumulated at the top of the water collecting cavity are washed away, the bubbles are discharged through the flow channel under the flow guide effect of the upper blade, and air binding is avoided.

Preferably, a flow guide sleeve extending downwards from the edge of the water inlet is arranged below the spraying arm, the height of the upper blade in the axial direction of the flow guide sleeve is 0.4-0.6 time of the height of the lower blade, and the flow area of the channel is 0.2-0.4 time of the cross-sectional area of the flow guide sleeve. The structure can ensure that the flow velocity of water flow above the baffle is greater than that of water flow below the baffle, and is favorable for quickly discharging bubbles at the top of the water collecting cavity.

The utility model discloses in, the axial compressor impeller of impeller subassembly for being located the water conservancy diversion cover in the lower part for draw into the spray arm with the water of spray arm below.

Preferably, the baffle plate gradually extends upwards from inside to outside along the radial direction of the shaft to form a curved surface structure. This structure is favorable to reducing the loss of ability, keeps the higher velocity of flow of rivers and sprays the lift.

The utility model discloses an open water pump still includes the motor, and this motor is located impeller subassembly below and output shaft and upwards extends and be connected with impeller subassembly for drive impeller subassembly rotates.

A cleaning machine that uses above-mentioned open water pump, including the box that has the washing chamber, its characterized in that: the spray arm is supported on the inner bottom wall of the box body through the flow guide seat, the motor is arranged on the outer bottom wall of the box body, and the output shaft penetrates through the box body to extend into the washing cavity.

Compared with the prior art, the utility model has the advantages of: the utility model discloses set up the baffle on centrifugal impeller, the bubble that catchments in the chamber is located the baffle top, and in the cleaning process, partly the water that gets into the chamber through the water inlet gets into during the runner is got into from the baffle downside, and the epaxial passageway of another part warp gets into the baffle top, and this part rivers are with the bubble from catchment chamber central part to scattering all around and further get into the runner under the guide effect of last blade and discharge to avoid taking place the gas and tie up.

Drawings

Fig. 1 is a schematic structural diagram of an open water pump according to an embodiment of the present invention;

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

fig. 3 is a schematic structural diagram of a centrifugal impeller according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 from another angle;

fig. 5 is a schematic structural diagram of a cleaning machine according to an 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 5, the open water pump of the present embodiment includes a spray arm 1, an impeller assembly 2 and a motor 3, wherein the spray arm 1 has a water collecting cavity 11 at a central portion thereof, and runners 12 respectively connected to the water collecting cavity 11 at two sides thereof, the water collecting cavity 11 is substantially disc-shaped, the two runners 12 are respectively tangentially connected to the water collecting cavity 11, a connection portion between the two runners 12 and the water collecting cavity 11 is centrally symmetric with respect to the water collecting cavity 11, and each runner 12 and the water collecting cavity 11 form a 6-shaped structure. The bottom wall of the spray arm 1 is provided with a water inlet 13 communicated with the water collecting cavity 11, the top wall is provided with a water spraying hole 14 communicated with the flow channel 12, and the upper part of the impeller component 2 can be rotatably arranged in the water collecting cavity 11. The motor 3 is arranged below the impeller component 2, and the output shaft extends upwards to be connected with the impeller component 2 and is used for driving the impeller component 2 to rotate.

The impeller assembly 2 of the present embodiment includes a centrifugal impeller 21 located at the upper portion and an axial-flow impeller 22 located at the lower portion, the centrifugal impeller 21 is disposed in the water collecting cavity 11 and is used for dispersing water into the flow channel 12, and the axial-flow impeller 22 is located below the water inlet 13 of the spray arm 2 and is used for drawing water below the spray arm 2 into the spray arm 2.

Specifically, the centrifugal impeller 21 has a shaft 211 at the center and a plurality of centrifugal blades 212 arranged at intervals on the outer peripheral wall of the shaft 211, a baffle 213 extending in the radial direction is further provided on the shaft 211 to divide the centrifugal blades 212 into upper blades 212a and lower blades 212b, and a passage penetrating up and down and allowing water under the baffle 213 to flow to the upper side of the baffle 213 is provided on the shaft 211. A gap 214 through which water passes is formed between the outer peripheral wall of the shaft 211 and the baffle 213, and the gap 214 and the centrifugal blades 212 on both sides thereof enclose an outer passage that passes vertically therethrough. The shaft 211 has a shaft hole 2111 formed at a central portion thereof for connection with an output shaft of a motor, a plurality of inner passages 2112 circumferentially spaced from each other are formed around the shaft hole 2111, and the inner passages 2112 and the outer passages together form the above-mentioned passage. The structure can form internal and external bidirectional multi-position water flow impact, so that bubbles accumulated at the top of the water collecting cavity 11 are washed away, the bubbles are discharged through the flow channel under the flow guide effect of the upper blade, and air binding is avoided.

In this embodiment, a flow guide sleeve 4 extending downwards from the edge of the water inlet 13 is arranged below the spray arm 1, and the axial-flow impeller 22 is positioned in the flow guide sleeve 4. The height of the upper blade 212a in the axial direction of the guide sleeve 4 is 0.4-0.6 times of the height of the lower blade 212b, and the flow area of the channel is 0.2-0.4 times of the cross-sectional area of the guide sleeve 4. The structure can ensure that the flow velocity of the water flow above the baffle plate 213 is greater than that of the water flow below the baffle plate 213, and is favorable for quickly discharging bubbles at the top of the water collecting cavity 11.

The baffle 213 of this embodiment extends upward from inside to outside along the radial direction of the shaft 211 to form a curved structure 2130. This structure is favorable to reducing the loss of ability, keeps the higher velocity of flow of rivers and sprays the lift.

The cleaning machine with the open water pump comprises a box body 5 with a washing cavity, the spray arm 1 is supported on the inner bottom wall of the box body 5 through the flow guide seat 6, the motor 3 is arranged on the outer bottom wall of the box body 5, and the output shaft penetrates through the box body 5 to extend into the washing cavity.

The utility model discloses set up baffle 213 on centrifugal impeller 21, the bubble in the chamber 11 that catchments is located baffle 213 top, in the cleaning process, partly get into the water that catchments chamber 11 through water inlet 13 during baffle 213 downside gets into runner 12, passageway on the warp beam 211 of another part gets into baffle 213 top, this part rivers with the bubble from catchment chamber 11 central part to scattering all around and further get into runner 12 under the guide effect of last blade 212a and discharge to avoid taking place the gas and tie up.

Claims

1. The utility model provides an open water pump, includes spray arm (1) and impeller subassembly (2), the central part of spray arm (1) has water collecting cavity (11), both sides have runner (12) that are linked together with this water collecting cavity (11) respectively, it has water inlet (13) that are linked together with water collecting cavity (11) to open on the diapire of spray arm (1), open on the roof has hole for water spraying (14), its characterized in that: the upper portion of impeller subassembly (2) is for can locating centrifugal impeller (21) in water collecting cavity (11) with rotating, and this centrifugal impeller (21) has axle (211) that is located the center and arranges a plurality of centrifugal vane (212) on the periphery wall of this axle (211) at interval, still be provided with on axle (211) and radially extend thereby and divide centrifugal vane (212) into upper vane (212a) and baffle (213) of lower blade (212b), open up and down on axle (211) and link up and supply the rivers of baffle (213) below to the passageway above baffle (213).

2. The open water pump of claim 1, wherein: a gap (214) for passing water is formed between the outer peripheral wall of the shaft (211) and the baffle plate (213), and the gap (214) and the centrifugal blades (212) on the two sides jointly enclose an outer channel which is communicated up and down.

3. The open water pump of claim 2, wherein: the central part of the shaft (211) is provided with a shaft hole (2111) used for being connected with a power source, the periphery of the shaft hole (2111) is provided with a plurality of inner channels (2112) which are arranged at intervals along the circumferential direction, and the inner channels (2112) and the outer channels jointly form the channel.

4. The open water pump according to claim 1, 2 or 3, wherein: the spraying arm (1) below is provided with water conservancy diversion cover (4) from water inlet (13) edge downwardly extending, go up blade (212a) and be 0.4 ~ 0.6 times of lower blade (212b) height at water conservancy diversion cover (4) axial ascending height, the flow area of passageway is 0.2 ~ 0.4 times of water conservancy diversion cover (4) cross-sectional area.

5. The open water pump of claim 4, wherein: the lower part of the impeller component (2) is provided with an axial flow impeller (22) positioned in the flow guide sleeve (4) and used for drawing water below the spray arm (1) into the spray arm (1).

6. The open water pump according to claim 1, 2 or 3, wherein: the baffle (213) gradually extends upwards from inside to outside along the radial direction of the shaft (211) to form a curved surface structure (2130).

7. The open water pump according to claim 1, 2 or 3, wherein: still include motor (3), this motor (3) are located impeller subassembly (2) below and the output shaft upwards extends and is connected with impeller subassembly (2) for drive impeller subassembly (2) rotate.

8. A washing machine to which the open water pump of claim 7 is applied, comprising a cabinet having a washing chamber, characterized in that: the spraying arm (1) is supported on the inner bottom wall of the box body through the flow guide seat, the motor (3) is arranged on the outer bottom wall of the box body, and an output shaft penetrates through the box body to extend into the washing cavity.