CN111074501A

CN111074501A - Drainage device of washing machine

Info

Publication number: CN111074501A
Application number: CN201911402011.1A
Authority: CN
Inventors: 王浩; 贾蒙; 程长春
Original assignee: Whirlpool China Co Ltd
Current assignee: Whirlpool China Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-28

Abstract

The invention discloses a drainage device of a washing machine, which comprises an outer washing machine box, a drainage pipe, a drainage inner pipe and a drainage pump assembly, wherein the drainage pump assembly is arranged at the bottom of the outer washing machine box, the drainage pipe is arranged above the drainage pump assembly, the drainage pipe adopts an upper drainage installation mode, a water inlet pipeline of the drainage pipe is fixed with the outer washing machine box through a fixing frame, and a supporting plate is arranged at the upper part of the outer washing machine box. The drainage pump assembly drains water from the inside of the washing machine in an upper drainage mode, the water inlet pipeline of the drainage pipe vertically upwards feeds water, so that unsmooth water flow caused by air trapping in the drainage pump assembly is prevented, meanwhile, the filtering cavity is arranged in the drainage pump assembly, water flows enter the impeller cavity through the filtering cavity to be drained away, sundries are prevented from blocking the impeller, meanwhile, the water inlet of the drainage pump is arranged at the top of the filtering cavity, and the water flows enter the drainage pump assembly from the top, so that air trapping caused by air gathering at the top is prevented.

Description

Drainage device of washing machine

Technical Field

The invention relates to the technical field of washing machine production, in particular to a drainage device of a washing machine.

Background

At present, the drainage principle of the upper drainage system of the existing drum washing machine is as follows: the one end and the outer bucket of outer bucket drain pipe are connected, and the other end is connected with the drain pump, and the one end of outer drain pipe is connected with the drain pump, and the other end is fixed at box rear side and height fixing 80 cm's position along box lateral wall to box outside rear side, and current washing machine drainage structure is because the delivery port and the water inlet of drain pump are uncertain, and simultaneously because the drainage is too fast, rivers make gas collect in the drain pump upper end, cause the interference of stranded gas, make the drainage effect poor, and drainage speed is slow.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide a drainage device of a washing machine, in which a water outlet of a drainage pump is disposed at a top end of an impeller chamber, and a water inlet of the drainage pump is disposed at an upper end of a filter chamber, so that air is squeezed out of the drainage pump by the self weight of water flow and upward drainage, thereby preventing air trapping caused by the collection and non-drainage of air at the top end of the drainage pump.

The drainage device of the washing machine comprises an outer washing machine box, a drainage pipe, an inner drainage pipe and a drainage pump assembly, wherein the drainage pump assembly is installed at the bottom of the outer washing machine box, the drainage pipe is installed above the drainage pump assembly, the drainage pipe is installed in an upper drainage installation mode, a water inlet pipeline of the drainage pipe is communicated with a water outlet pipeline of the drainage pipe, the water inlet pipeline of the drainage pipe is fixed with the outer washing machine box through a fixing frame, a supporting plate is installed at the upper part of the outer washing machine box, a fixing clamp is installed on one side of the supporting plate, and the water outlet pipeline of the drainage pipe is fixed with the outer washing machine box through.

Preferably, the drain pump assembly includes a drain pump impeller, a housing, and a drain filter mounted at one side of the housing, and the drain pump impeller is mounted at the other side of the housing.

Preferably, the casing has a filter cavity at a side thereof close to the drain filter, an impeller cavity at a side thereof close to the drain pump impeller, the drain filter is installed inside the filter cavity, and the drain pump impeller is installed inside the impeller cavity.

Preferably, the side wall of the outer shell is provided with a drainage pump water outlet and a drainage pump water inlet, the drainage pump water inlet is communicated with the water outlet inside the washing machine through a drainage inner pipe, and the drainage pump water outlet is communicated with the water inlet pipeline of the drainage pipe.

Preferably, the water inlet of the drainage pump is arranged at the upper end of the filter cavity, and the water outlet of the drainage pump is arranged at the upper end of the impeller cavity.

In the invention:

(1) the filter cavity is connected with the inner drainage pipe, wherein the highest point of the inner drainage pipe is close to or equal to that of the filter cavity, so that gas is discharged conveniently;

(2) in order to avoid the damage of the impeller or unsmooth drainage caused by lint blockage or hard objects, the drainage filter chamber is designed with a conical structure, so that the damage of the impeller caused by the hard objects can be prevented, and the discharge of clothes lint and the like is not influenced;

(3) the water outlet of the drainage pump is positioned at the uppermost part of the impeller cavity; the drain pipe lug connection wash port, through fixed pipe clamp, directly reach washing machine box upper portion, then reach the box rear side export through the fixed pipe clamp of the side of box, this kind of design can avoid drain pump impeller cavity trapping of gas, influence the drainage.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a drainage device of a washing machine according to the present invention;

FIG. 2 is an exploded view of a sump pump assembly according to the present invention;

fig. 3 is a cross-sectional view of a drain pump assembly according to the present invention.

In the figure: 1-fixing clamp, 2-supporting plate, 3-washing machine outer box, 4-fixing frame, 5-drain pipe, 6-drain inner pipe, 7-drain pump component, 71-drain pump impeller, 72-outer shell, 73-drain filter, 721-impeller cavity, 722-drain pump water outlet, 723-drain pump water inlet and 724-filter cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, a drainage device of a washing machine comprises a washing machine outer box body 3, a drainage pipe 5, a drainage inner pipe 6 and a drainage pump assembly 7, wherein the drainage pump assembly 7 is installed at the bottom of the washing machine outer box body 3, the drainage pipe 5 is installed above the drainage pump assembly 7, the drainage pipe 5 is an upper drainage installation mode, a water inlet pipeline of the drainage pipe 5 is communicated with a water outlet pipeline of the drainage pipe 5, the water inlet pipeline of the drainage pipe 5 is fixed with the washing machine outer box body 3 through a fixing frame 4, a supporting plate 2 is installed at the upper part of the washing machine outer box body 3, a fixing clamp 1 is installed at one side of the supporting; the drain pump assembly 7 includes a drain pump impeller 71, a housing 72, a drain filter 73, the drain filter 73 being mounted on one side of the housing 72, the drain pump impeller 71 being mounted on the other side of the housing 72; a filter cavity 724 is formed in one side, close to the drainage filter 73, of the shell 72, an impeller cavity 721 is formed in one side, close to the drainage pump impeller 71, of the shell 72, the drainage filter 73 is installed inside the filter cavity 724, and the drainage pump impeller 71 is installed inside the impeller cavity 721; the side wall of the shell 72 is provided with a drainage pump water outlet 722 and a drainage pump water inlet 723, the drainage pump water inlet 723 is communicated with the water outlet inside the washing machine through the drainage inner pipe 6, and the drainage pump water outlet 722 is communicated with a water inlet pipeline of the drainage pipe 5; a drain pump water inlet 723 is provided at the upper end of the filter chamber 724 and a drain pump water outlet 722 is provided at the upper end of the impeller chamber 721.

During operation, water in the washing machine enters the filter cavity 724 from the drainage inner pipe 6, is filtered by the drainage filter 73 and enters the impeller cavity 721 from the filter cavity 724, the filter cavity 724 is designed to be of a conical structure, the impeller can be prevented from being damaged by hard objects, the discharge of clothes lint and the like is not affected, and the drainage pump impeller 71 provides power, so that the water enters the water inlet pipeline of the drainage pipe 5 and is discharged from the water outlet pipeline of the drainage pipe 5.

To sum up, this washing machine drainage device is through the mode of last drainage to the inside drainage that carries on of washing machine, and the inlet channel of drain pipe is for intaking upwards perpendicularly, prevents that the inside stagnant air of drainage pump package spare from leading to rivers not smooth, and simultaneously, the inside filter chamber that is provided with of drainage pump package spare, rivers get into the inside row of impeller cavity through the filter chamber, prevent debris from blockking up the impeller, and the drain pump water inlet sets up at the filter chamber top simultaneously, and rivers get into inside the drainage pump package spare by the top, prevent the top because the stagnant air that gas collection leads to.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A washing machine drainage device is characterized in that: including washing machine outer box, drain pipe, drainage inner tube, drainage pump package spare, the drainage pump package spare is installed washing machine outer box bottom, the drain pipe is installed to drainage pump package spare top, the drain pipe is last drainage mounting means, the drain pipe inlet channel with drain pipe outlet conduit intercommunication, the inlet channel of drain pipe pass through the mount with washing machine outer box is fixed, the backup pad is installed on washing machine outer box upper portion, backup pad one side-mounting has the fixation clamp, drain pipe outlet conduit passes through the mount with washing machine outer box is fixed.

2. A drainage apparatus of a washing machine as claimed in claim 1, wherein: the drain pump assembly includes a drain pump impeller, a housing, a drain filter mounted on one side of the housing, and a drain pump impeller mounted on the other side of the housing.

3. A drain device of a washing machine according to claim 2, characterized in that: the shell is provided with a filter cavity at one side close to the drainage filter, an impeller cavity at one side close to the drainage pump impeller, the drainage filter is installed in the filter cavity, and the drainage pump impeller is installed in the impeller cavity.

4. A drainage apparatus of a washing machine as claimed in claim 3, wherein: the side wall of the shell is provided with a drainage pump water outlet and a drainage pump water inlet, the drainage pump water inlet is communicated with a water outlet inside the washing machine through a drainage inner pipe, and the drainage pump water outlet is communicated with a water inlet pipeline of the drainage pipe.

5. A washing machine drain device according to claim 4, characterized in that: the water inlet of the drainage pump is arranged at the upper end of the filter cavity, and the water outlet of the drainage pump is arranged at the upper end of the impeller cavity.