CN212152815U

CN212152815U - Washing machine

Info

Publication number: CN212152815U
Application number: CN202020114488.1U
Authority: CN
Inventors: 黄展; 孙广彬; 公涛; 王学东
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-12-15
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a washing machine. The washing machine comprises a water containing barrel, a circulating pipe and a drainage structure, wherein the circulating pipe is connected with a circulating pump in series, a flow passage communicated with the circulating pipe is arranged in the circulating pump, the circulating pump is provided with a first water inlet joint and a first water outlet joint which are connected with a water inlet end and a water outlet end of the circulating pipe and communicated with the flow passage, the drainage structure comprises a first drainage pipe and a first control valve, and the circulating pump is also provided with a drainage joint communicated with the flow passage; the water outlet end of the first drainage pipe is communicated with the drainage connector, the first control valve is connected in series on the first drainage pipe, residual water in the circulating pump is discharged to the outside through the first drainage pipe in the drainage structure, the residual water in the circulating pump and the circulating pipe is reduced or eliminated, the freezing of the residual water in the circulating pump and the circulating pipe in winter at low temperature is reduced or avoided, and the damage to the circulating pump and the circulating pipe is reduced or eliminated.

Description

Washing machine

Technical Field

The utility model belongs to the washing machine field, specifically speaking relates to a washing machine.

Background

Generally, a washing machine is an apparatus for treating laundry by washing, rinsing, dehydrating, etc. using the action of water in which detergent is dissolved or clean water in order to remove dirt stuck to the laundry such as clothes, pillows, etc. In the prior art washing machine, it includes the following parts: a tub for holding washing water; a water supply module including a water supply pipeline and a water supply valve for supplying wash water to the tub; a drain module including a drain pump, a drain valve and a drain line for draining contaminated wash water in the water tub; and a circulation heating module including a circulation pump and a circulation pipe for circularly heating the washing water in the water tub, wherein the drain pump and the drain valve are connected in series to the drain pipeline, the drain valve is connected in series to the upstream of the drain pipeline, and the circulation pump is connected in series to the circulation pipe;

the existing washing machine using the circulating pump for heating, the circulating pump and the drainage pipeline are both located at the bottom of the outer barrel of the washing machine, but the circulating pump and the drainage pipeline are not communicated at the bottom of the outer barrel of the washing machine, so that the drainage pipeline of the washing machine can have water residue in the circulating pump and the heating circulating pipe after drainage is finished, water remained in the circulating pump and the circulating pipe can be frozen at low temperature in winter, so that the circulating pump and the circulating pipe are frozen, the heating function of the circulating pump is disabled, the circulating pump is damaged, the circulating pipe can be.

In view of this, the present invention is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming among the prior art that the water that remains in circulating pump and circulating pipe can freeze in winter low temperature, freezes circulating pump and circulating pipe and leads to the technical problem that circulating pump and circulating pipe damaged, provides a washing machine.

In order to solve the technical problem, the utility model adopts the following basic concept:

one aspect of the present invention provides a washing machine, including a water containing barrel and a circulating pipe, wherein the circulating pipe is connected in series with a circulating pump, a flow passage communicated with the circulating pipe is arranged in the circulating pump, the circulating pump is provided with a first water inlet joint and a first water outlet joint which are connected with a water inlet and outlet end of the circulating pipe and communicated with the flow passage, and the washing machine is characterized by further comprising a drainage structure, the drainage structure includes a first drainage pipe and a first control valve, and the circulating pump is further provided with a drainage joint communicated with the flow passage;

the water outlet end of the first drainage pipe is communicated with the drainage connector, and the first control valve is connected to the first drainage pipe in series.

Furthermore, the circulating pump is arranged at the bottom of the water containing barrel, the washing machine further comprises a water draining module, the water draining module comprises a second water draining pipe arranged at the bottom of the water containing barrel and a second control valve connected in series to the second water draining pipe, and a second water inlet joint and a second water outlet joint which are communicated with the second water draining pipe are arranged on the second control valve;

the water outlet end of the first water drainage pipe is communicated with the second water outlet joint.

Furthermore, a water inlet is formed in the side wall of the second water inlet joint, and the water outlet end of the first water drainage pipe is communicated with the water inlet.

Further, the installation height of the water discharging joint is equal to or larger than that of the water inlet.

The washing machine further comprises a shell, the water containing barrel, the circulating pipe, the circulating pump and the drainage module are arranged in the shell, the circulating pump is arranged at the bottom of the shell, and the second drainage pipe is arranged at the bottom of the water containing barrel and is partially exposed out of the shell;

and the water outlet end of the first water discharge pipe is communicated with a second water discharge pipe positioned at the bottom of the shell.

Further, the washing machine further comprises a three-way joint, and the second drain pipe comprises an inner drain pipe and an outer drain pipe which are positioned inside and outside the shell;

the water outlet end of the first water discharge pipe is communicated with one of the three-way joints, and the inner water discharge pipe and the outer water discharge pipe are communicated with the other two of the three-way joints.

Further, the installation height of the drainage joint is equal to or greater than that of a joint communicated with the water outlet end of the first drainage pipe.

Furthermore, the circulating pump comprises an annular pump body, the first water outlet joint and the water discharge joint are arranged on the peripheral wall of the pump body, and the opening directions of the first water outlet joint and the water discharge joint are opposite; the first water inlet joint is arranged on the outer wall of the pump body perpendicular to the axial lead of the pump body, and the opening direction of the first water inlet joint is the same as that of the drainage joint.

Furthermore, the water inlet joint comprises a first section joint and a second section joint which is perpendicular to the first section joint, the axial lead of the first section joint coincides with the axial lead of the pump body, the axial lead of the second section joint is perpendicular to the axial lead of the first section joint, the second section joint and the first section joint are in smooth transition, and the opening direction of the second section joint is the same as that of the drainage joint.

Furthermore, the second control valve comprises a square valve body, and the second water inlet joint and the second water outlet joint are respectively arranged on the side walls of the two adjacent valve bodies.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.

1. The utility model provides a washing machine includes the circulating pump, be equipped with on the circulating pump with the drainage structures of the runner intercommunication in the circulating pump, drainage structures can discharge the residual water in the circulating pump to the external world, the residual water in the circulating pump also can discharge when the residual water of drainage structures in the circulating pump of row, reduce or avoid the residual water to freeze in circulating pump and circulating pipe when winter low temperature, reduce or eliminate the damage of circulating pipe and circulating pump.

2. The utility model provides a washing machine's drainage structures is including the first drain pipe and the first control valve of intaking end and circulating pump intercommunication, the second control valve or the second drain pipe intercommunication in the play water end of first drain pipe and the drainage module for the discharge of the residual water in the circulating pump is with the help of the second drain pipe, need not to set up the hole that allows first drain pipe to stretch out to the external world again from the shell, reduces and generates the degree of difficulty and improves production efficiency.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

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

fig. 2 is a schematic structural diagram of a circulation pump in a washing machine according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first control valve in a washing machine according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a bottom of a housing in a washing machine according to an embodiment of the present invention.

In the figure: 1-a water bucket; 2-circulating a heating module; 21-a circulation pipe; 22-a circulation pump; 221-a first water inlet joint; 2211-first section joint; 2212-second section joint; 222-a first water outlet joint; 223-a drain fitting; 224-a pump body; 3-a drainage structure; 31-a first drain pipe; 32-a first control valve; 321-a third water inlet joint; 322-third water outlet joint; 323-valve body; 4-a drainage module; 41-a second drain pipe; 411-internal drain pipe; 412-an outer drainage pipe; 42-a second control valve; 421-a second water outlet joint; 4211-water inlet; 5-a housing; 6-three way connection.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, an aspect of the present invention provides a washing machine, including water containing barrel 1 and circulation heating module 2, circulation heating module 2 includes a circulation pipe 21 communicating with water containing barrel 1 at the water inlet and outlet ends, and a circulation pump 22 located at the bottom of water containing barrel 1, a flow passage communicating with circulation pipe 21 is provided in circulation pump 22, and the present invention is characterized in that a drainage structure 3 communicating with the flow passage is provided on circulation pump 22 for discharging water remained in circulation pump 22 to the outside.

The embodiment of the utility model provides an in, be equipped with drainage structures 3 on the circulating pump 22 on the heating module 2 of circulation, the runner intercommunication that is equipped with in drainage structures 3 and the circulating pump 22, drainage structures 3 can discharge the residual water in the circulating pump 22 to the external world, because the runner intercommunication in circulating pump 21 and the circulating pump 22, therefore, the residual water in circulating pump 21 also can be discharged to drainage structures 3 when discharging the residual water in circulating pump 22, thereby reduce or eliminate the residual water in circulating pump 22 and circulating pump 21, reduce or avoid the residual water to freeze in circulating pump 22 and circulating pump 21 when winter low temperature, reduce or eliminate the damage of circulating pump 21 and circulating pump 22;

the circulating heating module 2 comprises a circulating pipe 21, a circulating pump 22 and a heater, wherein the circulating pump 22 is connected to the circulating pipe 21 in series, the water inlet and outlet ends of the circulating pipe 21 are communicated with the water containing barrel 1, the circulating pipe 21 is used for circulating the washing water in the water containing barrel 1 under the action of the circulating pump 22, the heater heats the washing water in the circulating process of the washing water, and the washing efficiency of the washing machine on clothes can be improved when the heated washing water flows into the water containing barrel 1;

the washing machine can be a pulsator washing machine, the water containing barrel 1 can be an outer barrel, the washing machine further comprises an inner barrel for containing clothes, and the inner barrel is arranged in the outer barrel; or, the water containing barrel 1 can be an outer barrel, the washing machine further comprises a shell 5 and an inner barrel for containing clothes, the inner barrel is arranged in the outer barrel, and the outer barrel is arranged in the shell 5;

the circulation pump 22 is connected in series to the circulation pipe 21, and the circulation pump 22 is located at the bottom of the water tub 1, and the manner of fixing the circulation pump 22 includes: the circulating pump 22 is connected in series to the circulating pipe 21, and the circulating pump 22 is arranged at the bottom of the water tub 1, or the circulating pump 22 is connected in series to the circulating pipe 21, and the circulating pump 22 is arranged at the bottom of the washing machine shell 5, so that the circulating pump 22 has different installation heights in the shell 5;

when the washing machine has the outer shell 5, the drainage structure 3 is arranged in the outer shell 5 and is partially exposed out of the outer shell 5, so that the drainage structure 3 can drain the residual water to the outside; the control valve referred to herein may be a solenoid valve.

As shown in fig. 1 and 2, in the embodiment of the present invention, the circulation pump 22 is provided with a first water inlet joint 221 and a first water outlet joint 222 of the flow passage communicating with the circulation pipe 21, and a water discharge joint 223 communicating with the flow passage, and the water discharge structure 3 includes a first water discharge pipe 31 and a first control valve 32;

the water inlet end of the first drain pipe 31 is communicated with the drain joint 223, and the first control valve 32 is connected in series to the first drain pipe 31.

In the embodiment of the present invention, the circulating pump 22 has three joints, the three joints are the first water inlet joint 221 and the first water outlet joint 222 of the flow channel, and the water drainage joint 223, the first water inlet joint 221 and the first water outlet joint 222 are connected in series on the circulating pipe 21, so that the circulating pipe 21 can circulate the washing water in the water containing barrel 1, and the water drainage joint 223 is used for communicating with the first water drainage pipe 31 in the water drainage structure 3, so that the first water drainage pipe 31 communicates with the flow channel in the circulating pump 22, and the residual water in the circulating pump 22 can be drained;

the first control valve 32 is connected in series on the first drain pipe 31 to control the state of the first control valve 32, thereby controlling the on-off condition of the first control valve 32 and the first drain pipe 31, when the first control valve 32 is communicated with the first drain pipe 31, the first drain pipe 31 is communicated with a flow passage in the circulating pump 22, the first drain pipe 31 can discharge residual water in the circulating pump 22, when the first control valve 32 is disconnected with the first drain pipe 31, the flow passage in the first drain pipe 31 and the circulating pump 22 is disconnected, and the first drain pipe 31 cannot discharge the residual water in the circulating pump 22;

in addition, the washing machine has a control panel, the control panel communicates with the first control valve 32, and controls the state of the first control valve 32 through the control panel, thereby controlling the on/off of the first control valve 32 and the first drain pipe 31.

As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the circulation pump 22 is disposed at the bottom of the water containing tub 1, the washing machine further includes a water draining module 4, the water draining module 4 includes a second water draining pipe 41 disposed at the bottom of the water containing tub 1, and a second control valve 42 connected in series to the second water draining pipe 41, and a second water inlet joint and a second water outlet joint 421 communicated with the second water draining pipe 41 are disposed on the second control valve 42;

the water outlet end of the first water discharging pipe is communicated with the second water outlet joint 421.

In the embodiment of the present invention, the washing machine further includes a drainage module 4, when the circulation pump 22 is disposed at the bottom of the water containing barrel 1, the water outlet end of the first drainage pipe 31 is connected to the second control valve 42 in the drainage module 4, specifically, the water outlet end of the first drainage pipe 31 is communicated with the second water outlet joint 421 of the second control valve 42; the second control valve 42 has two joints, which are a second water inlet joint and a second water outlet joint 421 respectively, and the second water inlet joint and the second water outlet joint 421 are connected in series to the second water drain pipe 41, so that the second water drain pipe 41 can drain the washing water in the water tub 1 to the outside, and the residual water of the circulating pump 22 is drained through the second water drain pipe 41;

the second drain pipe 41 is connected in series with the second control valve 42, and controls the state of the second control valve 42, thereby controlling the on/off state of the second control valve 42 and the second drain pipe 41, when the second control valve 42 is communicated with the second drain pipe 41, the second drain pipe 41 can drain the washing water in the tub 1, and when the second control valve 42 is disconnected with the second drain pipe 41, the second drain pipe 41 can not drain the washing water in the tub 1;

it should be noted that the second drain pipe 41 is disposed at the bottom of the water tub 1, the second drain pipe 41 can drain the washing water in the water tub 1 without using a power device, and the second control valve 42 is also controlled by the control board of the washing machine to control the states of the first control valve and the second control valve, so as to control the first drain pipe and the second drain pipe to drain water simultaneously.

The discharge conditions for the first drain pipe 31 and the second drain pipe 41 are as follows:

when the washing machine executes the drainage program, the control panel controls the second control valve 42 to communicate with the second drain pipe 41, and controls the first control valve 32 to communicate with the first drain pipe 31, the washing water in the water tub 1 is drained to the outside through the second drain pipe 41, because the first control valve 32 and the first drain pipe 31 are both in a communicated state, therefore, the second drain pipe 41 drains water, simultaneously, the first drain pipe drains the residual water in the circulation pump to the outside through the second control valve and the second drain pipe, after the drainage of the second drain pipe 41 is finished, the second control valve 42 is controlled to be disconnected with the second drain pipe 41, and the first control valve 32 is disconnected with the first drain pipe 31.

As shown in fig. 1, in the embodiment of the present invention, a water inlet 4211 is disposed on the sidewall of the second water inlet joint, and the water outlet end of the first water discharging pipe is communicated with the water inlet 4211.

The embodiment of the utility model provides an in, the mode that the play water end of first drain pipe and second water connectors 421 communicate: the joint of the general control valve is hollow and cylindrical, so the water inlet 4211 is arranged on the side wall of the second water inlet joint, namely on the peripheral wall of the second water inlet joint, the water inlet 4211 is communicated with the second water outlet joint 421, when the washing machine executes the water discharge of the circulating pump 22, the residual water in the circulating pump 22 enters the second water inlet joint through the water inlet 4211 and is discharged to the outside through the second water discharge pipe.

As shown in fig. 1 and 4, in the embodiment of the present invention, the washing machine further includes a housing 5, the water containing barrel 1, the circulating heating module 2 and the water draining module 4 are disposed in the housing 5, the circulating pump 22 is disposed at the bottom of the housing 5, and the second water draining pipe 41 is disposed at the bottom of the water containing barrel 1 and partially exposed out of the housing 5;

downstream of the second control valve 42, the outlet end of the first drain pipe communicates with a second drain pipe 41 located at the bottom of the housing 5.

In the embodiment of the present invention, the washing machine further includes a housing 5, the circulating pump 22 is located at the bottom of the water containing barrel 1, and is located at the bottom of the housing 5, the second drain pipe 41 is located at the bottom of the water containing barrel 1, the water outlet end of the first drain pipe 31 is connected to the second drain pipe 41 located at the downstream of the second control valve 42, the second control valve 42 has two joints, the two joints are respectively a second water inlet joint and a second water outlet joint 421, the second water inlet joint and the second water outlet joint 421 are connected in series to the second drain pipe 41, so that the second drain pipe 41 can discharge the washing water in the water containing barrel 1 to the outside, the residual water in the circulating pump 22 is discharged by means of the second drain pipe 41, a hole allowing the first drain pipe 31 to extend out of the outside is not required to be formed from the housing 5, the generation difficulty is reduced, and the;

the second drain pipe 41 is connected in series with the second control valve 42, and controls the state of the second control valve 42, so as to control the on/off state of the second control valve 42 and the second drain pipe 41, when the second control valve 42 is communicated with the second drain pipe 41, because the second drain pipe 41 is partially exposed out of the housing 5, the second drain pipe 41 can drain the washing water in the tub 1 out of the housing 5, and when the second control valve 42 is disconnected from the second drain pipe 41, the second drain pipe 41 cannot drain the washing water in the tub 1 out of the housing 5;

when the washing machine performs the draining process, the control panel controls the second control valve 42 to communicate with the second drain pipe 41, and controls the first control valve 32 to communicate with the first drain pipe 31, the washing water in the water tub 1 is drained out of the housing 5 through the second drain pipe 41, because the first control valve 32 and the first drain pipe 31 are both in a communicated state, therefore, when the second drain pipe 41 drains water, the first drain pipe drains the residual water in the circulation pump to the outside through the second drain pipe, after the draining of the second drain pipe 41 is finished, the second control valve 42 is controlled to disconnect with the second drain pipe 41, and the first control valve 32 is controlled to disconnect with the first drain pipe 31.

As shown in fig. 4, in the embodiment of the present invention, the washing machine further includes a three-way joint 6 disposed on the outer shell 5, and the second drain pipe 41 includes an inner drain pipe 411 and an outer drain pipe 412 located inside and outside the outer shell 5;

the water outlet end of the first water discharge pipe is communicated with one of the three-way joints 6, and the inner and outer water discharge pipes 412 are communicated with the other two of the three-way joints 6.

The embodiment of the utility model provides an in, second drain pipe 41 is including the interior drain pipe 411 that is located shell 5 and the outer drain pipe 412 that is located the shell 5 outside, interior drain pipe 411 and outer drain pipe 412 respectively with two joints intercommunication in the three way connection 6, another joint intercommunication in the play water end of first drain pipe and the three way connection 6, the washing water in the water containing barrel discharges outside shell 5 through interior drain pipe 411 and outer drain pipe 412, the residual water in circulating pump 22 discharges outside shell 5 through first drain pipe 31 and outer drain pipe 412.

As shown in fig. 2, in the embodiment of the present invention, the circulation pump 22 includes an annular pump body 224, and the first water outlet joint 222 and the water discharge joint 223 are disposed on the outer peripheral wall of the pump body 224, and the opening directions of the two are opposite; the first water inlet joint 221 is provided on the outer wall of the pump body 224 perpendicular to the axial line of the pump body 224, and has the same opening direction as the opening direction of the drain joint 223.

The embodiment of the utility model provides an in, according to the space of outer barrel bottom, the installation between circulating pump 22 and first control valve 32 and the second control valve 42 to and can discharge to the external world smoothly in order to make the washing water in the residual water in the circulating pump 22 and the flourishing water section of thick bamboo, consequently, the overall arrangement mode to first water connectors 222, drainage connector 223 and first water connectors 221 on circulating pump 22 has carried out the injecing, and has carried out the injecing to the opening direction of each interface.

As shown in fig. 2, in the embodiment of the present invention, the water inlet connector includes a first section connector 2211 and a second section connector 2212 disposed perpendicular to the first section connector 2211, the axial line of the first section connector 2211 coincides with the axial line of the pump body 224, the axial line of the second section connector 2212 is perpendicular to the axial line of the first section connector 2211, the second section connector 2212 is in smooth transition with the first section connector 2211, and the opening direction of the second section connector 2212 is the same as the opening direction of the drainage connector 223.

In the embodiment of the present invention, the water inlet connector is curved, and the first section of connector 2211 is perpendicular to the second section of connector 2212, so that the first drain pipe 31 can be conveniently installed and the first drain pipe 31 can have a relatively smooth discharge channel; the junction of the first section of joint 2211 and the second section of joint 2212 is in smooth transition, so that the resistance to the residual water at the bend is reduced, and the residual water can conveniently enter the second section of joint 2212 from the bend through the first section of joint 2211.

As shown in fig. 3, in the embodiment of the present invention, the first control valve 32 is provided with a third water inlet joint 321 and a third water outlet joint 322 respectively communicated with the first water outlet pipe 31, the first control valve 32 includes a square valve body 323, and the third water inlet joint 321 and the third water outlet joint 322 are respectively disposed on two adjacent side walls of the valve body 323.

The embodiment of the utility model provides an in, according to the installation between the space of outer barrel bottom, circulating pump 22 and first control valve 32 and the second control valve 42 to and can discharge to the external world smoothly in order to make the washing water in the residual water in the circulating pump 22 and the flourishing water drum, consequently, the overall arrangement mode to third water supply connector 321 on the first control valve 32, third water supply connector 322 has been injectd, and has been injectd to the opening direction of each interface.

In the embodiment of the present invention, the installation height of the drainage joint 223 is equal to or greater than the installation height of the water inlet 4211.

The embodiment of the utility model provides an in, when circulating pump 22 and second control valve 42 all were equipped with outer barrel bottom, circulating pump 22's drainage joint 223's mounting height is higher than or equal to water inlet 4211's mounting height for first drain pipe 31 is a straight line intercommunication drainage joint 223 and water inlet 4211, perhaps makes first drain hole communicate drainage joint 223 and water inlet 4211 aslope, thereby makes first drain pipe 31 arrange the residual water to second drain pipe 41 more easily, discharges to the external world by second drain pipe 41 again.

The embodiment of the utility model provides an in, the mounting height that the drainage connects 223 is equal to or is greater than the mounting height with the joint of the play water end intercommunication of first drain pipe.

The embodiment of the utility model provides an in, be equipped with shell 5 bottom when circulating pump 22, when second control valve 42 all is equipped with outer barrel bottom portion, circulating pump 22's drainage connects 223's mounting height is higher than or equal to the mounting height with the joint of the play water end intercommunication of first drain pipe, make first drain pipe 31 be a straight line intercommunication drainage and connect 223 and connect, perhaps make first drain pipe 31 communicate drainage and connect 223 and connect aslope, thereby make first drain pipe 31 arrange the residual water to second drain pipe 41 relatively easily, arrange to the external world by second drain pipe 41 again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. A washing machine comprises a water containing barrel and a circulating pipe, wherein the circulating pipe is connected with a circulating pump in series, a flow passage communicated with the circulating pipe is arranged in the circulating pump, and the circulating pump is provided with a first water inlet joint and a first water outlet joint which are connected with the water inlet and outlet ends of the circulating pipe and communicated with the flow passage;

2. The washing machine as claimed in claim 1, wherein the circulation pump is disposed at the bottom of the water tub, the washing machine further comprises a drain module, the drain module comprises a second drain pipe disposed at the bottom of the water tub, and a second control valve connected in series to the second drain pipe, and the second control valve is provided with a second water inlet joint and a second water outlet joint communicated with the second drain pipe;

3. The washing machine as claimed in claim 2, wherein the second water inlet joint has a water inlet on a side wall thereof, and the first drain pipe has a water outlet end communicating with the water inlet.

4. A washing machine as claimed in claim 3, wherein the installation height of the drain fitting is equal to or greater than the installation height of the water inlet.

5. The washing machine as claimed in claim 2, further comprising a housing, the tub, the circulation duct, the circulation pump, and the drain module being disposed in the housing, the circulation pump being disposed at a bottom of the housing, the second drain being disposed at a bottom of the tub and partially exposed to the housing;

6. The washing machine as claimed in claim 5, further comprising a three-way joint provided on the outer casing, wherein the second drain pipe includes an inner drain pipe and an outer drain pipe inside and outside the outer casing;

7. The washing machine as claimed in claim 6, wherein the fitting height of the drain fitting is equal to or greater than the fitting height of the fitting communicating with the water outlet end of the first drain pipe.

8. A washing machine as claimed in any one of claims 1 to 7 wherein the circulation pump comprises an annular pump body, the first water outlet connection and the drain connection are provided on the peripheral wall of the pump body and have opposite opening directions; the first water inlet joint is arranged on the outer wall of the pump body perpendicular to the axial lead of the pump body, and the opening direction of the first water inlet joint is the same as that of the drainage joint.

9. The washing machine as claimed in claim 8, wherein the first water inlet joint includes a first joint section and a second joint section perpendicular to the first joint section, the axial line of the first joint section coincides with the axial line of the pump body, the axial line of the second joint section is perpendicular to the axial line of the first joint section, the second joint section is in smooth transition with the first joint section, and the opening direction of the second joint section is the same as the opening direction of the drain joint.

10. A washing machine as claimed in any one of claims 1 to 7 wherein the first control valve is provided with a third water inlet and outlet respectively communicating with the first drain pipe, the first control valve comprises a square valve body, and the third water inlet and outlet are respectively provided on the side walls of the adjacent two valve bodies with opposite opening directions.