WO2015100701A1

WO2015100701A1 - Open water tank washing machine

Info

Publication number: WO2015100701A1
Application number: PCT/CN2014/001155
Authority: WO
Inventors: 徐慧; 练杨忠; 朱灯光; 郑峰; 李帅; 茅忠群; 诸永定
Original assignee: 宁波方太厨具有限公司
Priority date: 2013-12-31
Filing date: 2014-12-22
Publication date: 2015-07-09
Also published as: MY187092A

Abstract

An open water tank washing machine, comprising a housing body, the housing body comprising a water tank body (1), a water pump being disposed at the bottom of the water tank body (1), the water pump comprising an impeller (51), the upper part of the impeller (51) being accommodated in a water outlet part (6), a guide bracket (52) supporting the water outlet part (6) being disposed beneath same, the bottom of the impeller (51) being accommodated in a lower accommodating cavity (552) formed in the centre of the guide bracket (52), and a plurality of longitudinally extending mounting legs (521) being disposed on the circumferential direction of the guide bracket (52), allowing the guide bracket (52) to be suspended at the bottom of the water tank body (1). The design of the suspended guide bracket (52) allows the water inlet holes of the water pump accommodated in the guide bracket (52) to be distributed on each surface of the guide bracket (52); water can be instantly replenished, achieving good draining effects.

Description

Open sink cleaning machine

Technical field

The invention relates to a washing machine, in particular to an open sink washing machine.

Background technique

Dishwasher is a kind of cold water or hot water sprayed onto the dish to remove the dirt adhering to the dish and clean the dish

A heater that produces hot water, and the like. Steam has been used in today's dishwashers to clean dishes, which also reduces the time required for washing and improves the washing performance compared to the use of heated water.

The existing widely used one is a spray type dishwasher, such as a dishwasher disclosed in Chinese Patent No. CN2397886Y (Application No. 99249671.3), the casing includes an upper and a lower structure, the water pump and the water tank are located on the lower layer, and the spray is sprayed. The rotating arm is installed in the upper structure, and a basket is suspended between the two spray rotating arms, and the water tank is connected with the inner cavity of the upper layer;

Another example is a dishwasher disclosed in Chinese Patent No. CN202681886U (Application No. 201220385247.6), the dishwashing chamber is divided into an upper dishwashing chamber and a lower dishwashing chamber, the spraying device is arranged in the dishwashing chamber, and the water tank and the water pump are located under the washing. In the bowl cavity, the water tank can be combined with the water supply system of the water inlet device on one machine to effectively collect the rinsed water and reuse it.

In the above dishwasher, the water pump and the water tank are connected by a water pipe, and the washed water can be collected into the water tank, which may cause the water pump to not be replenished in time, affecting the spraying effect, and the water tank and the water pump are fixedly disposed at the bottom of the casing. It is not convenient to clean the bottom of the case.

Summary of the invention

The technical problem to be solved by the present invention is to provide an open type water tank washing machine with convenient water pumping, smooth water supply and convenient cleaning at the bottom of the washing machine.

The technical solution adopted by the present invention to solve the above technical problem is: an open type water tank washing machine comprising a tank body for forming a washing space, the tank body comprising a water tank body, wherein the bottom of the water tank body is provided with a water pump The water pump comprises a wheel, the upper part of the impeller is housed in the water outlet part, and the water guiding part is provided with a flow guiding bracket for the water discharging part, and the lower part of the impeller is accommodated in the lower receiving cavity formed by the center of the flow guiding bracket A plurality of longitudinally extending mounting legs are disposed in a circumferential direction of the flow guiding bracket such that the guiding bracket is suspended at a bottom of the water tank body.

The guiding manner of the guiding bracket can adopt various existing technologies. A preferred fixing manner is that the mounting leg is detachably connected to the bottom plate of the water tank body; another preferred fixing manner is that the impeller is below the impeller A motor for driving the impeller is provided, the mounting leg being detachably coupled to the end cap of the motor.

In order to guide the water around the water pump into the water pump in an orderly manner, the noise is effectively reduced, and an annular flow guiding surface is arranged around the bottom of the lower receiving cavity.

In one embodiment of the invention, the flow guiding surface has a slope that gradually slopes upward from the center toward the outer circumference.

In another embodiment of the invention, the flow guiding surface has an arcuate surface that is gradually inclined upward from the center toward the outer circumference, and the curved surface is concave or convex.

In order to isolate the dirt around the water pump to avoid entering the impeller, thereby affecting the normal rotation of the impeller, the outer circumference of the flow guiding bracket is provided with a filter ring extending from the top of the flow guiding bracket to the mounting foot. bottom.

In order to facilitate the removal of the drain plate to clean the washing machine, a preferred arrangement of the drain plate is that the bottom of the water tank body has a concave draining area, and the draining area is covered with a drain plate with a drain hole. The flow guiding bracket is located in the drain area and the top portion passes through the mounting hole at the center of the drain plate, and the outer circumference of the lower receiving cavity of the flow guiding bracket has a lower step surface, and the portion of the drain plate around the mounting hole Rest on the lower step surface.

A preferred arrangement of the water outlet member is that the top outer periphery of the flow guiding bracket has an upper stepped surface, and the water discharging member rests on the upper stepped surface.

The advantages of the present invention over the prior art are:

Through the design of the suspended guide bracket, the water inlet of the water pump accommodated in the flow guide bracket is distributed on each side of the flow guide bracket, and the water can be timely replenished to obtain a good water-repellent effect;

The bottom of the diversion bracket is provided with a flow guiding surface, which guides the water on the side of the diversion bracket into the water pump, reduces the noise of the impeller, and accelerates the water flow, thereby further improving the drowning effect.

DRAWINGS

1 is a schematic structural view of Embodiment 1 of the present invention;

Figure 2 is a partial cross-sectional view showing a first embodiment of the present invention;

3 is a schematic structural view of a flow guiding bracket according to Embodiment 1 of the present invention;

4 is a schematic view showing the connection of a rotating spray arm and a flow guiding bracket according to Embodiment 1 of the present invention;

Figure 5-1 is a side view of a flow guiding surface according to Embodiment 1 of the present invention;

Figure 5-2 is a side view of the flow guiding surface in the second embodiment of the present invention;

Figure 5-3 is a side view of the flow guiding surface in the third embodiment of the invention.

detailed description

The invention will be further described in detail below with reference to the embodiments of the drawings.

As shown in Figures 1-4, a preferred embodiment of the open sink cleaning machine of the present invention is shown. The open sink washing machine can be used for washing dishes, vegetables, fruits, etc., including the sink body 1, and rotating and connecting to the sink body 1 The cover plate 2 at the top, the water tank body 1 may be a common water tank for household use, and the water tank body 1 and the cover plate 2 form a washing space for accommodating the above-mentioned dishes, vegetables, fruits, and the like, and cleaning them.

The bottom plate 11 of the water tank body 1 is recessed at least at a central portion, and above the concave portion of the bottom plate 11, is spaced apart from the drain plate 3 having the same shape as the concave portion, and the drain plate 3 is provided with a plurality of drain water for draining The space between the hole 31, the drain plate 3 and the concave portion of the bottom plate 11 forms a drain area 32 which is flush with the other portions of the bottom plate 11. Alternatively, the drain region 32 may be formed by missing a portion of the bottom plate 11 and a box below the missing portion. The drain plate 3 covers the box and is flush with the other portions of the bottom plate 11, the box and the drain plate. The space between 3 forms a drain area 32. Alternatively, the drain plate 3 may be identical in shape and size to the bottom plate 11, and entirely above the bottom plate 11, spaced apart from the bottom plate 11, and the space spaced between the drain plate 3 and the bottom plate 11 forms the drain region 32.

On the outer side of the water tank body 1, a motor 4 is mounted below the bottom plate 11, and the output shaft 41 of the motor 4 extends into the water tank body 1 and is located in the drain area 32 above the bottom plate 11, or the output of the motor 4 is used when the casing is used. The shaft 41 extends into the drain region 32 above the casing.

A water pump is disposed in the drain area 32. In the present embodiment, an open type water pump is used. The water pump includes an impeller 51. The impeller 51 includes a central hollow shaft 511 and a plurality of blades 512 disposed on the circumferential surface of the shaft 511. The circumferential surface of the shaft 511 is evenly distributed and extends in the axial direction, and the lower end of the shaft 511 is coupled to the output shaft 41 of the motor 4, whereby the impeller 51 can be rotated when the motor 4 rotates.

A guide bracket 52 is disposed outside the impeller 51. The guide bracket 52 is provided with a plurality of longitudinally extending mounting legs 521 in the circumferential direction. The mounting legs 521 can be fixed to the bottom plate 11 and the end cover of the casing or the motor 4 by screws or the like. There is a space between the bottom surface of the flow support 52 and the bottom surface of the drain area 32, that is, the flow guide bracket 52 is suspended for the passage of water in the drain area 32. The lower portion of the vane 512 is located in the lower receiving cavity 522 formed in the center of the baffle bracket 52, and the upper portion is exposed to the baffle bracket 52.

Preferably, the top of the baffle bracket 52 is exposed to the drain plate 3, and the drain plate 3 is provided with a mounting hole 33 at a position corresponding to the baffle bracket 52 for the upper portion of the baffle bracket 52 or the blade 512 to pass through. Therefore, the impeller 51 is at least partially exposed to the drain plate 3 above the drain plate 3. The outer periphery of the lower central receiving cavity 522 of the flow guiding bracket 52 has a lower stepped surface 523 which abuts against the lower surface of the draining plate 3, and a portion of the draining plate 3 located around the mounting hole 33 rests on the lower stepped surface 523. The flow guide brackets 52 can also all be located within the drain region 32.

The bottom of the lower receiving cavity 522 is provided with an annular flow guiding surface 525, see Figure 5-1, the flow guiding surface 525 has a slope 5251 which is gradually inclined upward from the center to the outer circumference;

The flow guiding surface 525 can also adopt other optional structures. As shown in the second embodiment shown in FIG. 5-2, the flow guiding surface 525 has a first curved surface 5252 which is gradually inclined upward from the center toward the outer circumference. The first curved shape Face 5252 is concave:

Alternatively, the flow guiding surface 525 adopts the structure of the third embodiment as shown in FIG. 5-3, that is, the flow guiding surface 525 has a second curved surface 5253 which is gradually inclined upward from the center toward the outer circumference, and the second curved surface 5253 is convex.

Thereby, the flow passage through which the water supply flow flows under the bottom surface of the flow guiding bracket 52 gradually decreases from the periphery to the center, and the water flow To the effect of acceleration, the flow guiding surface 525 acts as a guide for the water flow to avoid the disorderly entry of the water flow from the lower portion of the impeller 51, thereby causing a large noise.

Referring to Fig. 4, the outer circumference of the flow guiding bracket 52 is provided with a screen ring 53 extending from the top of the flow guiding bracket 52 to the bottom of the mounting leg 521 so as to be able to enter the draining area 32 through the drain hole 31. The dirt is isolated to avoid entering the impeller 51, thereby affecting the lower normal rotation of the impeller 51.

The baffle bracket 52 supports a rotary spray arm 6 as a water pump outlet member. The rotary spray arm 6 is located above the drain plate 3, and an intermediate receiving cavity 61 is formed at the bottom portion thereof to accommodate the upper portion of the blade 512. The flow guiding bracket 52 The lower receiving cavity 522, the impeller 51 and the upper receiving cavity 61 form the above-mentioned water pump for pumping out the water in the draining area 32, and the object to be cleaned by the rotating spray arm 6 (the above-mentioned dishes, Wash vegetables, fruits, etc.).

The rotary spray arm 6 includes an upper cover body 62 and a lower cover body 63, and a flow passage communicating with the upper accommodation cavity 61 is formed therebetween. The upper accommodation cavity 61 is located in the middle of the rotary spray arm 6, and the flow path is located The two sides of the cavity 61 are accommodated. A plurality of water outlet holes 621 are defined in the upper surface of the upper cover body 62. The water outlet holes 621 are located above the flow passages. Corresponding to the flow passages, the water pumped by the water pump enters the flow passages through the upper accommodation cavity 61, and then the water outlets are discharged. The hole 621 is ejected, and the object to be cleaned is washed. An upper stepped surface 524 is further provided at a position on the top outer periphery of the flow guiding bracket 52 at a position above the lower step surface 523, and abuts against the lower surface of the rotary spray arm 6, and the rotary spray arm 6 rests on the upper stepped surface 524.

Claims

An open sink washing machine comprising a tank forming a washing space, the tank comprising a sink body (1), characterized in that:

The bottom of the water tank body (1) is provided with a water pump, and the water pump comprises an impeller (51) and a flow guiding bracket (52);

The upper portion of the impeller (51) is received in the water outlet member, the flow guiding bracket (52) is disposed under the water outlet member for supporting the water outlet member, and the lower portion of the impeller (51) is received at the center of the flow guiding bracket (52). In the lower receiving cavity (522), a plurality of longitudinally extending mounting legs (521) are disposed in the circumferential direction of the guiding bracket (52) such that the guiding bracket (52) is suspended in the water tank body ( 1) at the bottom.
The open sink washing machine according to claim 1, wherein said mounting leg (521) is detachably coupled to a bottom plate (11) of the sink body (1).
The open type tank washing machine according to claim 1, wherein a motor (4) for driving the impeller (51), the mounting leg (521) and the motor (4) are disposed under the impeller (51). The end cap is detachably connected.
The open sink cleaning machine according to any one of claims 1 to 3, characterized in that the bottom of the lower receiving cavity (522) is provided with an annular flow guiding surface (525).
The open type tank washing machine according to claim 4, wherein said flow guiding surface (525) has a slope (5251) which is gradually inclined upward from the center toward the outer circumference.
The open type tank washing machine according to claim 4, wherein said flow guiding surface (525) has an arcuate surface which is gradually inclined upward from the center toward the outer circumference, said curved surface being concavely or downwardly convex .
The open sink cleaning machine according to any one of claims 1 to 3, characterized in that the outer circumference of the flow guiding bracket (52) is provided with a filter ring (53), and the filter ring (53) Extending from the top of the flow guide bracket (52) to the bottom of the mounting foot (521).
The open sink cleaning machine according to claim 1, wherein the bottom of the water tank body (1) has a concave draining area (32), and the draining area (32) is covered with a drain a drain plate (3) of the hole (31), the flow guiding bracket (52) is located in the drain area (32) and the top is passed out from a mounting hole (33) at the center of the drain plate (3), the flow guiding bracket ( The outer circumference of the lower accommodation cavity (522) of 52) has a lower step surface (523), and a portion of the drain plate (3) located around the mounting hole (33) rests on the lower step surface (523).
The open sink cleaning machine according to claim 1, wherein said outer peripheral periphery of said flow guiding bracket (52) has an upper stepped surface (524), and said water discharge member rests on said upper stepped surface (524). on.