CN101161912B

CN101161912B - Washing machine

Info

Publication number: CN101161912B
Application number: CN200710180923XA
Authority: CN
Inventors: 权益根
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2006-10-09
Filing date: 2007-10-09
Publication date: 2012-02-15
Anticipated expiration: 2027-10-09
Also published as: KR20080032330A; EP1911870A1; US20080236207A1; KR101290460B1; CN101161912A

Abstract

Disclosed is a washing machine. The washing machine comprises a tub (300); a drain hose (182) discharging washing water stored in the tub to outside, in which a siphon brake hole (402) is formed at one side of the drain hose; a backflow hose (122) guiding the washing water drained through the siphon brake hole during the draining process, as one end of the backflow hose is connected to the siphon brake hole and the other end is directly/indirectly connected to the tub; and a switching element (403) preventing the washing water back-flowed into the backflow hose from being flowed into the tub.

Description

Washing machine

Technical field

The application relates to washing machine.

Background technology

Usually; Washing machine is a kind of like this equipment; It is contained in washings and washing agent under the state in agitator (pulsator) or the cylinder at clothing, and the emulsification through using washing agent and by the current that the rotation of agitator or cylinder produces is removed dirt from clothing.

In recent years, tumbling-box washing machine has obtained to popularize, and in this washing machine, because a side level of cylinder is installed, through promoting and falling clothing, clothing and washings is collided.This tumbling-box washing machine is noticeable in the user, and is as far as possible little because it makes the damage of clothing, and remarkable clean result is provided simultaneously.

Traditional tumbling-box washing machine comprises: cylinder, wherein accommodating laundry; Be arranged in the bucket in the cylinder, be used to store the washings that contain washing agent; Drive motors is used for head roll; And shell, form the body profile of this tumbling-box washing machine.

Below, the operation of the tumbling-box washing machine that explanation is traditional.

At first, when after the user is put into clothing in the cylinder, operating washing machine, the rotation through cylinder makes and is contained in clothing and the washings collision that is stored in the bucket in the cylinder, carries out washing process.And, after accomplishing washing process, cylinder is rotated at a high speed, carry out dehydration, be used for removing washings or washings from clothing, carry out drainage procedure simultaneously.After accomplishing dehydration, the user can take out clothing so that its drying is perhaps further carried out dry run.

Simultaneously, according to traditional tumbling-box washing machine, in the side formation siphon retardance hole (siphon brake hole) of scupper hose, to prevent to accomplish drainage procedure siphonage afterwards.

In other words, form siphon retardance hole preventing siphonage, when scupper hose was arranged on than the low position of draining pump, even draining pump is temporarily stopped using, said siphonage also can be discharged washings naturally.In addition, the washings that reflux via siphon retardance hole flow in the feeder along return hose.

Summary of the invention

Make present embodiment to address the above problem; And a purpose of present embodiment provides a kind of washing machine; It is designed for through in drainage procedure, blocking the washings of discharging through siphon retardance hole and flow in the feeder, and prevents that washings are back in the cylinder.That is the purpose of present embodiment provides a kind of washing machine structure, and it can eliminate following problem: owing to be back in the cylinder through the washings of siphon retardance hole discharge, and reduce dehydrating effect.

According to an aspect of present embodiment, can realize above-mentioned and other purposes through a kind of washing machine is provided.This washing machine comprises: bucket; Scupper hose is used for the washings that are stored in said bucket are discharged into the outside, and wherein siphon retardance hole is formed on a side of said scupper hose; Return hose is used for the washings of discharging through said siphon retardance hole in drainage procedure guiding, and an end of said return hose is connected to said siphon retardance hole, and the other end directly/be connected to said barrel indirectly; And switching device, be used for preventing that the washings that are back to said return hose from flowing in the said bucket.

At present embodiment on the other hand, a kind of washing machine is provided.This washing machine comprises: bucket; Cylinder is contained in the said bucket; Feeder connects said bucket and water supply hose, and washing agent is provided therein; Draining pump is used for discharging the washings that are stored in said bucket; Scupper hose extends from said draining pump, and is provided with the siphon retardance hole that is formed on the one of which side; Return hose extends to said feeder from said siphon retardance hole; And switching device, be arranged on the inside of said return hose, be used for coming this flexible pipe of opening/closing according to specified conditions.

Description of drawings

Fig. 1 illustrates the external perspective view of tumbling-box washing machine according to the preferred embodiment of the invention.

Fig. 2 illustrates the side cross-sectional, view of tumbling-box washing machine according to the preferred embodiment of the invention.

Fig. 3 illustrates the system diagram of siphon means of retardation according to the preferred embodiment of the invention.

The specific embodiment

Below, specify the present invention with reference to accompanying drawing.Yet, the invention is not restricted to following instance, but can carry out variations and modifications, and not depart from the scope of the present invention through adding, replacing and delete another part.

Below, will utilize tumbling-box washing machine to describe the present invention by instance, so that design of the present invention to be described.Yet design of the present invention is not limited to tumbling-box washing machine, but is applicable to various types of washing machines, comprises vertical type (upright) washing machine.

Fig. 1 shows the exterior contour of tumbling-box washing machine according to the preferred embodiment of the invention, and Fig. 2 shows the side of tumbling-box washing machine according to the preferred embodiment of the invention.

With reference to figure 1 and Fig. 2, tumbling-box washing machine 10 comprises according to the preferred embodiment of the invention: shell 110, and it forms the exterior contour of washing machine; Bucket 300 is installed in the shell 110, is used for storing washing water, and the open front of this bucket; Cylinder 210 rotatably is contained in this bucket, and the open front of this cylinder is to put into clothing wherein; Protecgulum 140 is installed on the front portion of shell 110, and is provided with clothing inlet 101; With door 100, be rotatably connected to a side of protecgulum 140, with the inlet of opening/closing clothing optionally 101.

In addition, tumbling-box washing machine 10 also comprises: drive motors 170 is connected to cylinder 210 through driving shaft 171, so that force swing roller 210; Control panel 130 is installed in a side on the top of protecgulum 140, and is provided with a plurality of buttons 131, with the operating condition of input washing machine; Feeder 120 is arranged on a side of control panel 130, and can be installed in the shell 110 with extracting out, and through this feeder, washing agent and fabric softening agent is provided; And feed water valve 191, control enters into the flow of the washings of feeder 120.

In addition, tumbling-box washing machine 10 also comprises: water supply pipe 192, and this water supply pipe couples together feed water valve 191 and feeder 120 and carries washings, and when feed water valve 191 was opened, said washings supplied to feeder 120 from the outside; And bellows 121, this bellows couples together feeder 120 and bucket 300, and provides washings and washing agent mixed and inject barrels 300 water route.

In addition, tumbling-box washing machine 10 also comprises: damper 160, be installed in bucket 300 bottom, and the vibration attenuation that produces when making cylinder 210 rotations; Drainpipe 180 is connected to the bottom of bucket 300, so that discharge the washings that are stored in the bucket 300; Draining pump 181 is connected to drainpipe 180, so that force to discharge the washings from drainpipe 180 dischargings; And scupper hose 182, be provided for the washings from draining pump 181 dischargings are discharged into outside water route.

In addition, siphon means of retardation 400 is arranged between scupper hose 182 and the feeder 120, and further specifying of siphon means of retardation 400 described after a while.

In addition, tumbling-box washing machine 10 also comprises: drying fan 150 is fed to outdoor air in the cylinder 210 in dry run; Drying tube 153 couples together drying fan 150 and cylinder 210; Heater 151, the outdoor air that heating sucks; Tube connector 202 is discharged into the outside with the hot and humid air that has absorbed moisture from the inside of cylinder 210; And blast pipe 200, be connected to tube connector 202, and be installed in a side of shell 110.

Below, the operation of the tumbling-box washing machine with above-mentioned part is described.

At first, the user opens door 100, and clothing is put in the cylinder 210.And the user is pushing start button after being arranged on the button 131 input operation conditions in the control panel 130.

Then, feed water valve is opened, and the washings of therefore supplying through water supply pipe 192 flow into the feeder 120 from the outside.And the washings that flow in the feeder 120 mix with washing agent in being stored in feeder 120.And the washings that mix with washing agent flow in the bucket 300 through bellows 121.Washings continue to flow into wherein, up to reaching predeterminated level.

And when the washings in flowing into bucket 300 reached predeterminated level, feed water valve 191 was closed, and drive motors 170 brings into operation.And cylinder 210 rotates through driving shaft 171, and said driving shaft rotates with drive motors 170.Owing to clothing is thus lifted to peak along with cylinder 210 rotation and falls, the clothing of putting in the cylinder 210 collides with washings.And, in the collision of washings and clothing, the emulsification of the washings through containing washing agent, the dirt that is adsorbed onto in the clothing is removed.

And, when accomplishing washing process, begin drainage procedure.In other words, in washing process, become dirty washings and forward draining pump 181 to through drainpipe 180.And through driving draining pump 181, the washings that are passed to draining pump 181 are discharged into outside the washing machine 10 via scupper hose 182.

And when after accomplishing drainage procedure, beginning rinse cycle, feed water valve 191 is opened, and therefore clean washings flow in the cylinder 210 through water supply pipe 192, carry out rinse cycle thus.

And, when accomplishing rinse cycle, carry out dehydration, be used for sloughing the water that infiltrates clothing through high speed swing roller 210.Here, discharge the water that produces by dehydration, and in the siphon means of retardation water that prevents to be discharged some are back in the cylinder through operations platoon's water pump.After a while the siphon means of retardation will be described.

Afterwards, when dry run begins, to heater 151 power supply, and therefore with air heat to high temperature.And through making drying fan 150 rotations, the low humid air stream of high temperature is gone in bucket 300, makes the clothes dewatering in the bucket 300 through the dry air that flows into thus.And the air that changes the low temperature and high relative humidity air along with clothes dewatering into is discharged into outside the tumbling-box washing machine 10 through blast pipe 200.

Fig. 3 shows the system diagram of siphon means of retardation according to the preferred embodiment of the invention.

With reference to figure 3, siphon means of retardation 400 comprises: siphon retardance hole 402; Return hose 401, it blocks hole 402 with siphon and couples together with the return port 122 that is formed in the feeder 120; And switching device 403, its opening/closing return port 122.

Particularly, a side of feeder 120 is connected to water supply pipe 192, and washing agent and fabric softening agent are stored in the feeder, so that they mix with the washings that flow in the feeder through water supply pipe 192.The washings that mix with washing agent flow in the bucket 300 through bellows 121.

The bottom of bucket 300 is connected to drainpipe 180, and drainpipe 180 is connected to a side of draining pump 181.And the opposite side of draining pump 181 is connected to scupper hose 182, being discharged to outside the tumbling-box washing machine 10 from the washings of draining pump 181 dischargings.

Simultaneously, siphon retardance hole 402 is formed on a side of scupper hose 182, to prevent siphonage through air is back in the scupper hose 182.Because air flow in the siphon retardance hole 402, prevented when draining pump temporarily stops, bucket 300 inner washings to be discharged to the siphonage outside the tumbling-box washing machine 10.

And the return port 122 of siphon retardance hole 402 and feeder 120 is connected to each other through return hose 401.

And, be used for the side that the switching device 403 of opening/closing return port 122 optionally is formed on return port 122.The high-pressure wash water that produces when particularly, switching device 403 is by draining pump 181 operations is closed.On the other hand, stopping to produce under the situation of low pressure washings owing to draining pump 181, switching device 403 is opened.In other words, switching device 403 is closed under predetermined hydraulic pressure or higher hydraulic pressure, and under predetermined hydraulic pressure or littler hydraulic pressure, opens.

When tumbling-box washing machine 10 carried out drainage procedure, these switching device 403 closing volume holes 122 were because its high-pressure wash water operation that is produced by draining pump 181.Therefore, it prevents that the washings that are discharged to outside the siphon retardance hole 402 from flowing in the feeder 120.Therefore, improved the drainage performance of tumbling-box washing machine 10.

Here, the position of switching device 403 is not limited to a side of return port 122 in the feeder 120, but switching device 403 can be formed on any selected element of return hose 401, so that opening/closing return hose 401 optionally.In addition, check-valves or electromagnetic valve can be used as switching device 403.

Below, the operation of siphon means of retardation 400 is described.

At first, when tumbling-box washing machine 10 beginning drainage procedures, the washings that are stored in the bucket 300 flow into draining pump 181 through drainpipe 180.After this, when draining pump 181 operation, the washings scupper hose 182 of flowing through.

And some in the washings flow in the siphon retardance hole 402 that in scupper hose 403, forms.The washings of discharging move to feeder 120 through return hose 401.

At this moment, the high-pressure wash water operation that switching device 403 is produced by draining pump 181, its closing volume hole 122 thus.Therefore, it has prevented that washings from flowing in the feeder 120.Therefore, prevented washings, and prevented washings the turning back of discharging through scupper hose 182 to bucket 300 to the turning back of feeder 120.

Claims

1. a washing machine has: bucket; Cylinder is installed in the said bucket, and accommodating laundry therein; And drive motors, being used to drive said cylinder, this washing machine comprises:

Scupper hose is used for the washings that are stored in said bucket are discharged into the outside, and wherein siphon retardance hole is formed on a side of said scupper hose;

Return hose is used for the washings of discharging through said siphon retardance hole in drainage procedure guiding, and an end of said return hose is connected to said siphon retardance hole, and the other end directly/be connected to said barrel indirectly; With

Switching device is used for preventing that the washings that are back to said return hose from flowing in the said bucket,

Wherein said switching device is closed when draining pump is operated, and said switching device is opened when said draining pump suspends.

2. according to the washing machine of claim 1, also comprise:

Feeder is wherein stored at least a washing agent,

The other end of wherein said return hose is connected to said feeder.

3. according to the washing machine of claim 2, wherein said switching device is arranged in the join domain between said return hose and the said feeder.

4. according to the washing machine of claim 1, wherein said switching device comprises check-valves or electromagnetic valve.

5. according to the washing machine of claim 1, wherein when the pressure of washings was higher than predetermined hydraulic pressure, said switching device was closed, and when the pressure of washings was lower than said predetermined hydraulic pressure, said switching device was opened.

6. according to the washing machine of claim 1, wherein said switching device is closed in dehydration.

7. according to the washing machine of claim 1, the adjacent setting of wherein said switching device with said feeder.