EP1634987A1 - Washing machine - Google Patents
Washing machine Download PDFInfo
- Publication number
- EP1634987A1 EP1634987A1 EP05255526A EP05255526A EP1634987A1 EP 1634987 A1 EP1634987 A1 EP 1634987A1 EP 05255526 A EP05255526 A EP 05255526A EP 05255526 A EP05255526 A EP 05255526A EP 1634987 A1 EP1634987 A1 EP 1634987A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- washing machine
- detergent
- water
- supply part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
- D06F37/10—Doors; Securing means therefor
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
- D06F37/28—Doors; Security means therefor
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
Definitions
- the present invention relates to a washing machine, and more particularly but not exclusively, to a washing machine which has a detergent injection part equipped in a door, thereby allowing space saving in the washing machine.
- a washing machine is used to remove contaminants adhered to laundry contained in a drum through interaction between water and detergent by a process of washing, rinsing and dewatering the laundry.
- the washing machine comprises a detergent supplying device which supplies the detergent combined with wash water into a tub.
- Fig. 1 is a side sectional view illustrating the inner structure of a conventional washing machine
- Fig. 2 is a perspective view illustrating the conventional washing machine of Fig. 1, from which a detergent drawer has been withdrawn.
- the conventional washing machine comprises a cabinet 2 having a laundry entrance 1 formed in one face, a tub 10 suspended within the cabinet 2 for containing detergent-dissolved water (which will hereinafter be referred to as “wash water”) or detergent-free water (which will hereinafter be referred to as “rinsing water”), a drum 12 rotatably disposed within the tub 10 for containing laundry m, a motor 14 including a shaft 13 for supporting and rotating the drum 12, a water supply device 16 for supplying water, a detergent supplying device 20 for containing detergent and supplying it into the tub 10 in which the detergent is dissolved in the water supplied by the water supply device 16 which passes through it, and a drainage device 30 for draining contaminated water from the tub 10 to the outside.
- wash water detergent-dissolved water
- rinse water detergent-free water
- a door 4 for opening/closing the laundry entrance 1 is hinged to the cabinet 2.
- a control panel 7 for controlling the washing machine is installed on an upper portion of a front face of the cabinet 2.
- the control panel 7 is formed either to left or right of a detergent drawer mounting hole 8, through which a detergent drawer as described below is loaded or unloaded to the washing machine.
- the drum 12 is formed with through-holes 13 such that the wash water or the rinsing water supplied to the tub 10 is introduced into the drum 12 so as to allow the laundry m to be immersed.
- the detergent supplying device 20 comprises a detergent drawer housing 21 installed at the rear of the detergent barrel mounting hole 8, a detergent barrel 22 inserted through the mounting hole 8 to be received in the detergent drawer housing 21 and having a detergent containing portion 22a defined therein, and a dispenser 23 mounted to the rear of the control panel 7 and located above the detergent drawer housing 21 for dispensing water supplied through the water supply device 16 to the detergent drawer 22.
- the housing 21 is connected to a water supply pipe 24 for guiding the wash water or the rinsing water passing through the detergent drawer 22 into the tub 10.
- Reference numeral 11 indicates a pipe connecting port formed on the tub 10 for connecting the water supply bellows 24 to the tub 10.
- the detergent drawer 8 is pulled out from the washing machine, and detergent or fabric softener is placed into the detergent containing portion 22a. Then, the detergent drawer 22 is pushed back into the housing 21.
- the washing machine When instructions for a washing process are input through the control panel 7, the washing machine operates the water supply device 16 to allow water supplied from the outside to be guided to the dispenser 23, which guides the water into the detergent drawer 22. Then, the detergent in the detergent drawer 22 is dissolved in the water, is discharged towards the housing 21, and is supplied into the tub 10 through the water supply pipe 24.
- Detergent-dissolved water that is, wash water supplied into the tub 10 is introduced into the drum 12 via the through-holes 13 of the drum 12, and soaks the laundry m.
- the motor 14 rotates the drum 12, and the laundry is cleaned through interaction of the laundry and the wash water.
- the washing machine After performing the washing process as described above for a predetermined period, the washing machine allows the drainage device 30 to discharge contaminated water from the tub 10 to the outside.
- the washing machine After finishing the washing process comprising the steps of supplying water, washing the laundry and draining the water, instructions for a rinsing process are input through the control panel 7, and then the washing machine operates the water supply device 16 to guide water supplied from the outside into the dispenser 23.
- the dispenser 23 guides the water into the detergent drawer 22. Then, the water is supplied into the tub 10 through the housing 21 and the water supply pipe 24.
- detergent free water that is, rinsing water supplied into the tub 10 soaks into the laundry. Then, the motor 14 rotates the drum 12, and the laundry is rinsed through interaction between the laundry and the rinsing water, so that the detergent or suds is removed from the laundry.
- the washing machine After performing the rinsing process as described above for a predetermined period, the washing machine allows the drainage device 30 to discharge contaminated water from the tub 10 to the outside.
- the conventional washing machine has problems in that the detergent supplying device 20 occupies a large space inside the washing machine, thereby increasing the volume of the washing machine, and in that the detergent supplying device 20 comprises a number of components such as the detergent drawer housing 21, the water supply pipe 24 and the like, thereby complicating the assembling process.
- Embodiments described herein address the above problems, and reduce the volume of the washing machine, minimize the number of components and assembling steps, simplify a molding process of a tub, and/or reduce manufacturing costs.
- a washing machine comprising: a cabinet having a laundry entrance formed therein; a door for opening/closing the laundry entrance; a tub installed within the cabinet; a drum rotatably disposed within the tub for containing laundry; and a detergent supply part formed in the door.
- the detergent supply part may have an inlet formed on a front side of the door, and an outlet formed on a rear side of the door.
- the door may be provided with a shutter for opening/closing the inlet
- the shutter may be hinged at a lower end to the door such that an upper portion of the shutter is opened in front of the door about the lower end.
- the door may comprise a front panel having the inlet of the detergent supply part formed at one side of the front panel, and a rear panel coupled to a rear side of the front panel and having the outlet of the detergent supply part formed therein.
- the rear side of the door may have a central portion protruded towards an inner portion of the drum, and the outlet may be formed at the central portion of the rear side of the door.
- the inlet and the outlet of the detergent supply part may be formed at the rear side of the door.
- the door may comprise a front panel, and a rear panel coupled to a rear side of the front panel, the rear panel having an inlet of the detergent supply part formed at an upper portion of the rear panel, and an outlet of the detergent supply part formed at a lower portion thereof.
- the door may comprise a door frame having the detergent supply part and a hole formed therein, and a door glass mounted to the hole and convexly formed towards the drum.
- the door frame may comprise a front panel having an inlet of the detergent supply part formed at an upper portion of the front panel, and a rear panel coupled to a rear side of the front panel and having an outlet of the detergent supply part formed at a lower portion of the rear panel.
- the washing machine may further comprise a water supply device disposed therein so as to communicate with the detergent supply part when the door is closed.
- the cabinet may be formed with a through-hole through which a portion of the water supply device passes.
- the door may be formed with an insertion hole through which the portion of the water supply device is introduced into the detergent supply part when the door is closed.
- the water supply device may comprise a water supply valve for controlling water supply through an external hose, and a water supply hose disposed to guide water passing through the water supply valve to the detergent supply part when the door is closed.
- the detergent supply part may comprise a detergent containing portion having a predetermined space defined to allow the detergent input through the inlet to be contained therein, and a siphon port through which the detergent in the detergent containing portion is discharged along with the supplied water to the outlet.
- the washing machine since the washing machine has the detergent supply part formed in the door, which has a function of containing detergent and supplying the detergent into a tub through the door, it has an advantage of considerable space saving compared with the washing machine having the detergent supply part in an inner space thereof thereby minimizing the volume and the number of components of the washing machine.
- the inlet and outlet of the detergent supply part may be formed in the front and rear sides of the door, respectively, so that the detergent can be supplied/added to the washing machine when the door is closed, thereby enhancing user convenience.
- the inlet and outlet of the detergent supply part may be formed in the rear side of the door, so that the detergent supply part is concealed, thereby enhancing the frontal appearance of the washing machine.
- the shutter for opening/closing the inlet ofthe detergent supply part may be installed to the door, thereby preventing foreign matter from entering the detergent supply part, and preventing water supplied through the water supply device from being leaked to the outside.
- the door may comprise the door frame having the detergent supply part and the hole formed therein, and the door glass mounted to the hole, so that the detergent can be supplied through the door frame and the inside of the washing machine can be seen through the door glass.
- the front loading washing machine comprises: a cabinet 52 having a laundry entrance 51 formed therein; a door 60 for opening/closing the laundry entrance 51; a tub 70 mounted within the cabinet 52; a drum 80 rotatably disposed within the tub 70 for containing laundry m; a detergent supply part 90 formed in the door 60; and a water supply device 100 disposed therein so as to communicate with the detergent supply part 90 when the door is closed in order to supply water to the detergent supply part 90.
- the cabinet 52 comprises a base plate 53 constituting a bottom surface of the washing machine, a cabinet body 54 located on the base plate 53 to constitute lateral sides and a rear face of the washing machine, a cabinet cover 55 located at the front of the cabinet 54 to constitute a front face of the washing machine and having the laundry entrance 51 formed at the center of the cabinet cover 55, and a top cover 56 located on the cabinet body 54 to constitute a top surface of the washing machine.
- the cabinet cover 55 of the cabinet 52 is formed with a through-hole 55a through which a portion of the water supply device 100 passes, such that the water supply device 100 communicates with the detergent supply part 90 when the door 60 is closed.
- One side of the door 60 is hinged to the cabinet 52 about a vertical axis, in particular, to the cabinet cover 55.
- the opposite side of the door 60 is equipped with a hook which is locked to/released from a door locking switch mounted on the cabinet 52, in particular, on the cabinet cover 55.
- the door 60 has a rear central portion 63 which protrudes towards an inner portion ofthe drum 80.
- the door 60 is equipped with a shutter 64 for opening/closing an inlet 91 to the detergent supply part 90.
- the shutter 64 is hinged to the door 60 about a horizontal axis.
- the shutter 64 is hinged at a lower end to the door 60 such that an upper portion of the shutter is opened in front of the washing machine about the lower end of the shutter 64.
- the door 60 is formed with an insertion hole 65 through which the portion of the water supply device 100 projects into the detergent supply part 90 when the door 60 is closed
- the insertion hole 65 is preferably formed on the rear side of the door 60, and in particular, in front of the through-hole 55a of the cabinet cover 55, such that the portion of the water supply device 100 is easily introduced into the detergent supply part 90 therethrough when the door 60 is closed.
- the door 60 comprises a front panel 66, and a rear panel 67 coupled to a rear side of the front panel 66.
- the front panel 66 has the inlet 91 for the detergent supply part 90 formed at one side thereof.
- the rear panel 67 has an outlet 92 for the detergent supply part 90 formed at one side of the rear panel 67.
- the insertion hole 65 is formed at the other side of the rear panel 67.
- the tub 70 acts to contain detergent-dissolved water (which will hereinafter be referred to as ''wash water”) or detergent-free water (which will hereinafter be referred to as '"rinsing water").
- the tub 70 is connected to the cabinet 52, in particular, to a damper 71 coupled to the base plate 53, and to a spring 72 coupled to the cabinet body 54, so that it is resiliently supported inside the cabinet 52.
- the tub 70 is formed with an opening 73 behind the laundry entrance 51, and is disposed horizontally or substantially horizontally above the bottom surface of the washing machine.
- the tub 70 has a sealing gasket 74 which is brought into intimate contact with the rear side of the door 60 when the door 60 is closed, thereby to prevent leaking.
- the gasket 74 is connected at one end to the opening 73 of tub 70 and is connected at the other end to the cabinet cover 55 so as to define a skirt which shields a space defined between the opening 73 of the tub 70 and the laundry entrance 51 ofthe cabinet cover 55.
- the gasket 74 is formed around an inner peripheral surface with a sealing portion 74a which is brought into sealing contact with the rear side of the door 60 when the door 60 is closed.
- the tub 70 is connected to a drainage device 75 for discharging the wash water, the rinsing water, and the water from the laundry, from the tub 70 to the outside of the washing machine.
- the drainage device 75 comprises a flexible drainage pipe 76 connected to the tub 70 for allowing the water to be drained from the tub 70, a drainage pump 77 for pumping the water drained through the drainage bellows 76, and a drainage hose 78 for guiding the water pumped by the drainage pump 77 to the outside of the washing machine.
- the tub 70 is mounted with a motor 79 for supporting and rotating the drum 50.
- the motor 79 comprises a stator fixed to a rear side of the tub 80, a rotor surrounding the periphery and the rear side of the stator, and a shaft 79a passing through the rear side of the tub 70 and coupled to the rotor and the rear side of the drum 80.
- the drum 80 is also disposed horizontally or substantially horizontally relative to the bottom surface of the washing machine such that a lower portion of the drum 80 is located in the wash water or in the rinsing water within the tub 70. That is to say, the axis of the drum is also parallel or substantially parallel to the bottom surface.
- the drum 80 has an entrance 82 formed at the rear of the laundry entrance 5 1 for allowing the laundry m, the wash water or the rinsing water to enter the drum 80, a plurality of through-holes formed around the peripheral surface, or on the rear side thereof, such that the wash water or the rinsing water supplied to the tub 10 can enter the drum 12, and a lifter or agitator 86 formed around an inner peripheral surface thereof for raising and dropping the laundry m.
- the inlet 91 of the detergent supply part 90 may be formed in at least one of the front side, the rear side and the peripheral surface of the door 60. The following description is limited to the case where the inlet 91 of the detergent supply part 90 is formed at the front side of the door 60. However, similar comments apply to the other arrangements mutatis mutandis
- the outlet 92 of the detergent supply part 90 is formed at the rear side of the door 60.
- the outlet 92 is formed at the rear central portion 63 of the door 60 so as to prevent the wash water or the rinsing water from dropping to the gasket 74 while allowing the wash water or the rinsing water to drop into the tub 70 or the drum 80.
- the detergent supply part 90 comprises a detergent containing portion 93 having a predetermined space or pocketdefined to allow the detergent supplied through the inlet 91 to be contained therein, and a siphon channel 94 through which the detergent in the detergent containing portion 93 is discharged along with the supplied water to the outlet 92.
- the water supply device 100 comprises a water supply valve 102 for controlling water supply through an external hose 101, and a water supply hose 104 disposed to guide the water passing through the water supply valve 102 to the detergent supply part 90 when the door 60 is closed.
- the water supply hose 104 is connected at one end to the water supply valve 102, passes through the through hole 55a of the cabinet cover 55, and protrudes at the other end from the front side ofthe though hole 55a.
- Reference numeral 57 indicates a control panel mounted on an upper portion of the cabinet cover 55 for controlling the washing machine.
- water supplied from the external hose 101 sequentially passes through the water supply valve 102 and the water supply hose 104, and is then supplied into the detergent supply part 90 where the water drops into the detergent containing portion 93 and dissolves the detergent D to form wash water w.
- the wash water w is supplied into the tub 70 or the drum 80 from the detergent containing portion 93 through the outlet 92 of the detergent supply part 90 via the siphon channel 94, and soaks into the laundry m.
- the drum 80 is rotated, and the laundry m is agitated within in the drum 80, causing contaminants to be removed from the laundry m.
- the motor 70 stops, and the drainage pump 77 is driven.
- the contaminated wash water w in the tub 70 sequentially passes through the drainage pipe 76, the drainage pump 77, and the drainage hose 78, and is then drained to the outside of the washing machine.
- the motor 79, the water supply valve 102, and the drainage pump 77 of the washing machine are operated according to the instructions.
- the rinsing water w is supplied into the tub 70 or the drum 80 from the detergent containing portion 93 through the outlet 92 of the detergent supply part 90 via the siphon channel 94, and soaks into the laundry m.
- the water supply valve 102 When the rinsing water w reaches a predetermined level in the tub 70, the water supply valve 102 is turned off, and the motor 79 is driven.
- the drum 80 is rotated, and the laundry m is agitated within the drum 80, causing the detergent to be removed from the laundry.
- the motor 79 stops, and the drainage pump 77 is driven.
- the contaminated rinsing water w in the tub 70 sequentially passes through the drainage pipe 76, the drainage pump 77, and the drainage hose 78, and is then drained to the outside of the washing machine.
- Fig. 5 is a side sectional view illustrating the inner structure of a washing machine in accordance with a second embodiment of the invention
- Fig. 6 is a perspective view illustrating the washing machine of Fig. 5, with the door opened
- the washing machine according to the second embodiment comprises a door 60' which has an inlet 91' of a detergent supply part 90' formed in a rear side of the door 60' such that detergent D is input through the inlet 91' of the detergent supply part 90' after opening the door 60' in front of the washing machine.
- Other constructions and operations thereof are the same as those of the washing machine according to the first embodiment
- the other constructions are denoted by the same reference numerals as those of the first embodiment, and a detailed description thereof is omitted.
- the door 60' comprises a front panel 66', and a rear panel 67' coupled to a rear side of the front panel 66'.
- the rear panel 67' is formed at an upper portion with the inlet 91' of the detergent supply part 90' and an insertion hole 65 through which a portion of a water supply device 100 is inserted, and is formed at a lower portion with an outlet 92 of the detergent supply part 90'.
- Fig. 7 is a side sectional view illustrating the inner structure of a washing machine in accordance with a third embodiment
- Fig. 8 is a perspective view illustrating the washing machine in accordance with the third embodiment.
- the washing machine of the third embodiment has a door 60" which comprises a door frame 66" and 67" having a detergent supply part 90" and a hole formed therein, and a door glass 68" mounted to the hole and convexly formed to protrude towards the drum.
- a door 60" which comprises a door frame 66" and 67" having a detergent supply part 90" and a hole formed therein, and a door glass 68" mounted to the hole and convexly formed to protrude towards the drum.
- Other constructions and operations thereof are the same as those of the washing machine according to the first and second embodiments.
- the other constructions are denoted by the same reference numerals as those of the first embodiment, and a detailed description thereof is omitted
- the door frame comprises a front panel 66" and a rear panel 67" coupled to a rear side of the front panel 66".
- the front panel 66" has an inlet 91 of the detergent supply part 90" formed at an upper portion of the front panel 66".
- the rear panel 67" has an insertion hole 65 formed at an upper portion thereof so as to allow a portion of a water supply device 100 to be inserted thereinto.
- An outlet 92 of the detergent supply part 90" is formed at a lower portion of the rear panel 67".
- the washing machine may comprise a facility for an additional additive, such as a fabric softener supply part in addition to the detergent supply part so that a fabric softener can be introduced and is then supplied together with water supplied from the outside into the tub during the rinsing process.
- an additional additive such as a fabric softener supply part in addition to the detergent supply part so that a fabric softener can be introduced and is then supplied together with water supplied from the outside into the tub during the rinsing process.
- a space may be defined between the front panel and the rear panel constituting the door to receive an additional detergent drawer.
- the door may be equipped with an additional water supply hose for guiding water from the water supply device to this detergent drawer, and an additional guide hose for guiding the wash water or the rinsing water passing through this detergent drawer to the rear of the door.
- a washing machine according to embodiments of the invention has the following advantages.
- the washing machine since the washing machine has the detergent supply part formed in the door, it has the advantage of considerable space saving compared with the washing machine having the detergent supply part arranged conventionally, thereby minimizing the volume and the number of components of the washing machine.
- the inlet and outlet of the detergent supply part are formed in the front and rear sides of the door, respectively, so that the detergent can be supplied/added to the washing machine when the door is closed, thereby enhancing user convenience.
- the inlet and outlet of the detergent supply part are formed in the rear side of the door, so that the detergent supply part is concealed, thereby enhancing the frontal appearance of the washing machine.
- the shutter for opening/closing the inlet of the detergent supply part is installed to the door, thereby preventing foreign matter from entering the detergent supply part and preventing water supplied through the water supply device from leaking out
- the door comprises the door frame having the detergent supply part and the hole formed therein, and the door glass mounted to the hole, so that the detergent can be supplied through the door frame and the inside of the washing machine can be seen through the door glass.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
Description
- The present invention relates to a washing machine, and more particularly but not exclusively, to a washing machine which has a detergent injection part equipped in a door, thereby allowing space saving in the washing machine.
- Generally, a washing machine is used to remove contaminants adhered to laundry contained in a drum through interaction between water and detergent by a process of washing, rinsing and dewatering the laundry. The washing machine comprises a detergent supplying device which supplies the detergent combined with wash water into a tub.
- Fig. 1 is a side sectional view illustrating the inner structure of a conventional washing machine, and Fig. 2 is a perspective view illustrating the conventional washing machine of Fig. 1, from which a detergent drawer has been withdrawn.
- Referring to Figs. 1 and 2, the conventional washing machine comprises a
cabinet 2 having a laundry entrance 1 formed in one face, atub 10 suspended within thecabinet 2 for containing detergent-dissolved water (which will hereinafter be referred to as "wash water") or detergent-free water (which will hereinafter be referred to as "rinsing water"), adrum 12 rotatably disposed within thetub 10 for containing laundry m, amotor 14 including ashaft 13 for supporting and rotating thedrum 12, awater supply device 16 for supplying water, adetergent supplying device 20 for containing detergent and supplying it into thetub 10 in which the detergent is dissolved in the water supplied by thewater supply device 16 which passes through it, and adrainage device 30 for draining contaminated water from thetub 10 to the outside. - A
door 4 for opening/closing the laundry entrance 1 is hinged to thecabinet 2. - A
control panel 7 for controlling the washing machine is installed on an upper portion of a front face of thecabinet 2. - The
control panel 7 is formed either to left or right of a detergentdrawer mounting hole 8, through which a detergent drawer as described below is loaded or unloaded to the washing machine. - The
drum 12 is formed with through-holes 13 such that the wash water or the rinsing water supplied to thetub 10 is introduced into thedrum 12 so as to allow the laundry m to be immersed. - The
detergent supplying device 20 comprises adetergent drawer housing 21 installed at the rear of the detergentbarrel mounting hole 8, adetergent barrel 22 inserted through themounting hole 8 to be received in thedetergent drawer housing 21 and having adetergent containing portion 22a defined therein, and adispenser 23 mounted to the rear of thecontrol panel 7 and located above thedetergent drawer housing 21 for dispensing water supplied through thewater supply device 16 to thedetergent drawer 22. - The
housing 21 is connected to awater supply pipe 24 for guiding the wash water or the rinsing water passing through thedetergent drawer 22 into thetub 10. -
Reference numeral 11 indicates a pipe connecting port formed on thetub 10 for connecting thewater supply bellows 24 to thetub 10. - In order to wash laundry using the conventional washing machine constructed as described above, the
detergent drawer 8 is pulled out from the washing machine, and detergent or fabric softener is placed into thedetergent containing portion 22a. Then, thedetergent drawer 22 is pushed back into thehousing 21. - Then, after putting laundry m into the drum, and closing the
door 4, an operating command is input through thecontrol panel 7 so that themotor 14, thewater supply device 16, and thedrainage device 30 of the washing machine are operated according to the operating command. - When instructions for a washing process are input through the
control panel 7, the washing machine operates thewater supply device 16 to allow water supplied from the outside to be guided to thedispenser 23, which guides the water into thedetergent drawer 22. Then, the detergent in thedetergent drawer 22 is dissolved in the water, is discharged towards thehousing 21, and is supplied into thetub 10 through thewater supply pipe 24. - Detergent-dissolved water (that is, wash water) supplied into the
tub 10 is introduced into thedrum 12 via the through-holes 13 of thedrum 12, and soaks the laundry m. - After the water is supplied into the washing machine, the
motor 14 rotates thedrum 12, and the laundry is cleaned through interaction of the laundry and the wash water. - After performing the washing process as described above for a predetermined period, the washing machine allows the
drainage device 30 to discharge contaminated water from thetub 10 to the outside. - After finishing the washing process comprising the steps of supplying water, washing the laundry and draining the water, instructions for a rinsing process are input through the
control panel 7, and then the washing machine operates thewater supply device 16 to guide water supplied from the outside into thedispenser 23. Thedispenser 23 guides the water into thedetergent drawer 22. Then, the water is supplied into thetub 10 through thehousing 21 and thewater supply pipe 24. - As with the washing process, detergent free water (that is, rinsing water) supplied into the
tub 10 soaks into the laundry. Then, themotor 14 rotates thedrum 12, and the laundry is rinsed through interaction between the laundry and the rinsing water, so that the detergent or suds is removed from the laundry. - After performing the rinsing process as described above for a predetermined period, the washing machine allows the
drainage device 30 to discharge contaminated water from thetub 10 to the outside. - However, the conventional washing machine has problems in that the
detergent supplying device 20 occupies a large space inside the washing machine, thereby increasing the volume of the washing machine, and in that thedetergent supplying device 20 comprises a number of components such as thedetergent drawer housing 21, thewater supply pipe 24 and the like, thereby complicating the assembling process. - Additionally, since the
pipe connecting port 11 must molded to thetub 10, molding of the tub becomes more complicated, thereby increasing manufacturing costs. - The present invention is defined in the accompanying independent calims. Some preferred features are recited in the dependent claims.
- Embodiments described herein address the above problems, and reduce the volume of the washing machine, minimize the number of components and assembling steps, simplify a molding process of a tub, and/or reduce manufacturing costs.
- In accordance with an embodiment the above and other objects can be accomplished by the provision of a washing machine, comprising: a cabinet having a laundry entrance formed therein; a door for opening/closing the laundry entrance; a tub installed within the cabinet; a drum rotatably disposed within the tub for containing laundry; and a detergent supply part formed in the door.
- The detergent supply part may have an inlet formed on a front side of the door, and an outlet formed on a rear side of the door.
- The door may be provided with a shutter for opening/closing the inlet
- The shutter may be hinged at a lower end to the door such that an upper portion of the shutter is opened in front of the door about the lower end.
- The door may comprise a front panel having the inlet of the detergent supply part formed at one side of the front panel, and a rear panel coupled to a rear side of the front panel and having the outlet of the detergent supply part formed therein.
- The rear side of the door may have a central portion protruded towards an inner portion of the drum, and the outlet may be formed at the central portion of the rear side of the door.
- The inlet and the outlet of the detergent supply part may be formed at the rear side of the door.
- The door may comprise a front panel, and a rear panel coupled to a rear side of the front panel, the rear panel having an inlet of the detergent supply part formed at an upper portion of the rear panel, and an outlet of the detergent supply part formed at a lower portion thereof.
- The door may comprise a door frame having the detergent supply part and a hole formed therein, and a door glass mounted to the hole and convexly formed towards the drum.
- The door frame may comprise a front panel having an inlet of the detergent supply part formed at an upper portion of the front panel, and a rear panel coupled to a rear side of the front panel and having an outlet of the detergent supply part formed at a lower portion of the rear panel.
- The washing machine may further comprise a water supply device disposed therein so as to communicate with the detergent supply part when the door is closed.
- The cabinet may be formed with a through-hole through which a portion of the water supply device passes.
- The door may be formed with an insertion hole through which the portion of the water supply device is introduced into the detergent supply part when the door is closed.
- The water supply device may comprise a water supply valve for controlling water supply through an external hose, and a water supply hose disposed to guide water passing through the water supply valve to the detergent supply part when the door is closed.
- The detergent supply part may comprise a detergent containing portion having a predetermined space defined to allow the detergent input through the inlet to be contained therein, and a siphon port through which the detergent in the detergent containing portion is discharged along with the supplied water to the outlet.
- According to the embodiments constructed as described above, since the washing machine has the detergent supply part formed in the door, which has a function of containing detergent and supplying the detergent into a tub through the door, it has an advantage of considerable space saving compared with the washing machine having the detergent supply part in an inner space thereof thereby minimizing the volume and the number of components of the washing machine.
- Additionally, the inlet and outlet of the detergent supply part may be formed in the front and rear sides of the door, respectively, so that the detergent can be supplied/added to the washing machine when the door is closed, thereby enhancing user convenience.
- Additionally, the inlet and outlet of the detergent supply part may be formed in the rear side of the door, so that the detergent supply part is concealed, thereby enhancing the frontal appearance of the washing machine.
- Additionally, the shutter for opening/closing the inlet ofthe detergent supply part may be installed to the door, thereby preventing foreign matter from entering the detergent supply part, and preventing water supplied through the water supply device from being leaked to the outside.
- Additionally, the door may comprise the door frame having the detergent supply part and the hole formed therein, and the door glass mounted to the hole, so that the detergent can be supplied through the door frame and the inside of the washing machine can be seen through the door glass.
- The foregoing and other objects and features of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
- Fig. 1 is a side sectional view illustrating the inner structure of a conventional washing machine;
- Fig. 2 is a perspective view illustrating the conventional washing machine of Fig. 1, from which a detergent barrel has been withdrawn;
- Fig. 3 is a side sectional view illustrating the inner structure of a washing machine in accordance with a first embodiment;
- Fig. 4 is a perspective view illustrating the washing machine in accordance with the first embodiment;
- Fig. 5 is a side sectional view illustrating the inner structure of a washing machine in accordance with a second embodiment;
- Fig. 6 is a perspective view illustrating the washing machine of Fig. 5, a door of which is opened,
- Fig. 7 is a side sectional view illustrating the inner structure of a washing machine in accordance with a third embodiment; and
- Fig. 8 is a perspective view illustrating the washing machine in accordance with the third embodiment
- As shown in Figs. 3 and 4, the front loading washing machine according to the first embodiment comprises: a
cabinet 52 having alaundry entrance 51 formed therein; adoor 60 for opening/closing thelaundry entrance 51; atub 70 mounted within thecabinet 52; adrum 80 rotatably disposed within thetub 70 for containing laundry m; adetergent supply part 90 formed in thedoor 60; and awater supply device 100 disposed therein so as to communicate with thedetergent supply part 90 when the door is closed in order to supply water to thedetergent supply part 90. - The
cabinet 52 comprises abase plate 53 constituting a bottom surface of the washing machine, acabinet body 54 located on thebase plate 53 to constitute lateral sides and a rear face of the washing machine, acabinet cover 55 located at the front of thecabinet 54 to constitute a front face of the washing machine and having thelaundry entrance 51 formed at the center of thecabinet cover 55, and atop cover 56 located on thecabinet body 54 to constitute a top surface of the washing machine. - The
cabinet cover 55 of thecabinet 52 is formed with a through-hole 55a through which a portion of thewater supply device 100 passes, such that thewater supply device 100 communicates with thedetergent supply part 90 when thedoor 60 is closed. - One side of the
door 60 is hinged to thecabinet 52 about a vertical axis, in particular, to thecabinet cover 55. - The opposite side of the
door 60 is equipped with a hook which is locked to/released from a door locking switch mounted on thecabinet 52, in particular, on thecabinet cover 55. - The
door 60 has a rearcentral portion 63 which protrudes towards an inner portion ofthedrum 80. - The
door 60 is equipped with ashutter 64 for opening/closing aninlet 91 to thedetergent supply part 90. - The
shutter 64 is hinged to thedoor 60 about a horizontal axis. - More specifically, the
shutter 64 is hinged at a lower end to thedoor 60 such that an upper portion of the shutter is opened in front of the washing machine about the lower end of theshutter 64. - The
door 60 is formed with aninsertion hole 65 through which the portion of thewater supply device 100 projects into thedetergent supply part 90 when thedoor 60 is closed - The
insertion hole 65 is preferably formed on the rear side of thedoor 60, and in particular, in front of the through-hole 55a of thecabinet cover 55, such that the portion of thewater supply device 100 is easily introduced into thedetergent supply part 90 therethrough when thedoor 60 is closed. - The
door 60 comprises afront panel 66, and arear panel 67 coupled to a rear side of thefront panel 66. Thefront panel 66 has theinlet 91 for thedetergent supply part 90 formed at one side thereof. Therear panel 67 has anoutlet 92 for thedetergent supply part 90 formed at one side of therear panel 67. Theinsertion hole 65 is formed at the other side of therear panel 67. - The
tub 70 acts to contain detergent-dissolved water (which will hereinafter be referred to as ''wash water") or detergent-free water (which will hereinafter be referred to as '"rinsing water"). Thetub 70 is connected to thecabinet 52, in particular, to adamper 71 coupled to thebase plate 53, and to aspring 72 coupled to thecabinet body 54, so that it is resiliently supported inside thecabinet 52. - The
tub 70 is formed with anopening 73 behind thelaundry entrance 51, and is disposed horizontally or substantially horizontally above the bottom surface of the washing machine. - The
tub 70 has a sealinggasket 74 which is brought into intimate contact with the rear side of thedoor 60 when thedoor 60 is closed, thereby to prevent leaking. - The
gasket 74 is connected at one end to theopening 73 oftub 70 and is connected at the other end to thecabinet cover 55 so as to define a skirt which shields a space defined between the opening 73 of thetub 70 and thelaundry entrance 51ofthe cabinet cover 55. - The
gasket 74 is formed around an inner peripheral surface with a sealingportion 74a which is brought into sealing contact with the rear side of thedoor 60 when thedoor 60 is closed. - The
tub 70 is connected to adrainage device 75 for discharging the wash water, the rinsing water, and the water from the laundry, from thetub 70 to the outside of the washing machine. - The
drainage device 75 comprises aflexible drainage pipe 76 connected to thetub 70 for allowing the water to be drained from thetub 70, adrainage pump 77 for pumping the water drained through the drainage bellows 76, and adrainage hose 78 for guiding the water pumped by thedrainage pump 77 to the outside of the washing machine. - The
tub 70 is mounted with amotor 79 for supporting and rotating the drum 50. - The
motor 79 comprises a stator fixed to a rear side of thetub 80, a rotor surrounding the periphery and the rear side of the stator, and ashaft 79a passing through the rear side of thetub 70 and coupled to the rotor and the rear side of thedrum 80. - As with the tub, the
drum 80 is also disposed horizontally or substantially horizontally relative to the bottom surface of the washing machine such that a lower portion of thedrum 80 is located in the wash water or in the rinsing water within thetub 70. That is to say, the axis of the drum is also parallel or substantially parallel to the bottom surface. - The
drum 80 has anentrance 82 formed at the rear of the laundry entrance 5 1 for allowing the laundry m, the wash water or the rinsing water to enter thedrum 80, a plurality of through-holes formed around the peripheral surface, or on the rear side thereof, such that the wash water or the rinsing water supplied to thetub 10 can enter thedrum 12, and a lifter oragitator 86 formed around an inner peripheral surface thereof for raising and dropping the laundry m. - The
inlet 91 of thedetergent supply part 90 may be formed in at least one of the front side, the rear side and the peripheral surface of thedoor 60. The following description is limited to the case where theinlet 91 of thedetergent supply part 90 is formed at the front side of thedoor 60. However, similar comments apply to the other arrangements mutatis mutandis - The
outlet 92 of thedetergent supply part 90 is formed at the rear side of thedoor 60. - The
outlet 92 is formed at the rearcentral portion 63 of thedoor 60 so as to prevent the wash water or the rinsing water from dropping to thegasket 74 while allowing the wash water or the rinsing water to drop into thetub 70 or thedrum 80. - The
detergent supply part 90 comprises adetergent containing portion 93 having a predetermined space or pocketdefined to allow the detergent supplied through theinlet 91 to be contained therein, and a siphonchannel 94 through which the detergent in thedetergent containing portion 93 is discharged along with the supplied water to theoutlet 92. - The
water supply device 100 comprises awater supply valve 102 for controlling water supply through anexternal hose 101, and awater supply hose 104 disposed to guide the water passing through thewater supply valve 102 to thedetergent supply part 90 when thedoor 60 is closed. - The
water supply hose 104 is connected at one end to thewater supply valve 102, passes through the throughhole 55a of thecabinet cover 55, and protrudes at the other end from the front side ofthe thoughhole 55a. -
Reference numeral 57 indicates a control panel mounted on an upper portion of thecabinet cover 55 for controlling the washing machine. - Operation of the washing machine constructed as described above will now be described.
- First, when closing the
door 60 after laundry m is inserted through the laundry entrance 5 1 into thedrum 80, a portion of thewater supply hose 104 passes through theinsertion hole 65 of thedoor 60 and then communicates with thedetergent supply part 90. Theoutlet 92 of thedetergent supply part 90 is directed towards the inner portion of thedrum 80. - After opening the
inlet 91 of thedetergent supply part 90 by pulling down theshutter 64 detergent D is loaded through theinlet 91, and is loaded in thedetergent containing portion 93 of thedetergent supply part 90. - After closing the
inlet 90 of thedetergent supply part 90 by rotating theshutter 64 in reverse, instructions of various processes such as a washing process, a rinsing process, a dewatering process and the like are input through thecontrol panel 57. Then, themotor 79, thewater supply valve 102, and thedrainage pump 77 of the washing machine are operated according to the instructions. - When instructions for the washing process are input through the
control panel 7, thewater supply valve 102 of the washing machine is turned on. - Then, water supplied from the
external hose 101 sequentially passes through thewater supply valve 102 and thewater supply hose 104, and is then supplied into thedetergent supply part 90 where the water drops into thedetergent containing portion 93 and dissolves the detergent D to form wash water w. - Then, the wash water w is supplied into the
tub 70 or thedrum 80 from thedetergent containing portion 93 through theoutlet 92 of thedetergent supply part 90 via the siphonchannel 94, and soaks into the laundry m. - When the wash water w is reduces a predetermined level in the
tub 70, thewater supply valve 102 is turned off, and themotor 79 is driven. - As the
motor 79 is driven, thedrum 80 is rotated, and the laundry m is agitated within in thedrum 80, causing contaminants to be removed from the laundry m. - After the washing process is performed for a predetermined period, the
motor 70 stops, and thedrainage pump 77 is driven. - Then, the contaminated wash water w in the
tub 70 sequentially passes through thedrainage pipe 76, thedrainage pump 77, and thedrainage hose 78, and is then drained to the outside of the washing machine. - As with the washing process, when instructions for the rinsing process are input to the washing machine, the
motor 79, thewater supply valve 102, and thedrainage pump 77 of the washing machine are operated according to the instructions. - When the
water supply valve 102 of the washing machine is turned on, water is supplied from theexternal hose 102, and sequentially passes through thewater supply valve 102 and thewater supply hose 104. Then, the water is supplied into thedetergent supply part 90 where the water falls into and fills thedetergent containing portion 93. - Then, the rinsing water w is supplied into the
tub 70 or thedrum 80 from thedetergent containing portion 93 through theoutlet 92 of thedetergent supply part 90 via the siphonchannel 94, and soaks into the laundry m. - When the rinsing water w reaches a predetermined level in the
tub 70, thewater supply valve 102 is turned off, and themotor 79 is driven. - As the
motor 79 is driven, thedrum 80 is rotated, and the laundry m is agitated within thedrum 80, causing the detergent to be removed from the laundry. - After the rinsing process is performed for a predetermined period, the
motor 79 stops, and thedrainage pump 77 is driven. - Then, the contaminated rinsing water w in the
tub 70 sequentially passes through thedrainage pipe 76, thedrainage pump 77, and thedrainage hose 78, and is then drained to the outside of the washing machine. - Fig. 5 is a side sectional view illustrating the inner structure of a washing machine in accordance with a second embodiment of the invention, and Fig. 6 is a perspective view illustrating the washing machine of Fig. 5, with the door opened
- As shown in Figs. 5 and 6, the washing machine according to the second embodiment comprises a door 60' which has an inlet 91' of a detergent supply part 90' formed in a rear side of the door 60' such that detergent D is input through the inlet 91' of the detergent supply part 90' after opening the door 60' in front of the washing machine. Other constructions and operations thereof are the same as those of the washing machine according to the first embodiment Thus, the other constructions are denoted by the same reference numerals as those of the first embodiment, and a detailed description thereof is omitted.
- The door 60' comprises a front panel 66', and a rear panel 67' coupled to a rear side of the front panel 66'. The rear panel 67' is formed at an upper portion with the inlet 91' of the detergent supply part 90' and an
insertion hole 65 through which a portion of awater supply device 100 is inserted, and is formed at a lower portion with anoutlet 92 of the detergent supply part 90'. - Fig. 7 is a side sectional view illustrating the inner structure of a washing machine in accordance with a third embodiment, and Fig. 8 is a perspective view illustrating the washing machine in accordance with the third embodiment.
- As shown in Figs. 7 and 8, the washing machine of the third embodiment has a
door 60" which comprises adoor frame 66" and 67" having adetergent supply part 90" and a hole formed therein, and adoor glass 68" mounted to the hole and convexly formed to protrude towards the drum. Other constructions and operations thereof are the same as those of the washing machine according to the first and second embodiments. Thus, the other constructions are denoted by the same reference numerals as those of the first embodiment, and a detailed description thereof is omitted - The door frame comprises a
front panel 66" and arear panel 67" coupled to a rear side of thefront panel 66". Thefront panel 66" has aninlet 91 of thedetergent supply part 90" formed at an upper portion of thefront panel 66". Therear panel 67" has aninsertion hole 65 formed at an upper portion thereof so as to allow a portion of awater supply device 100 to be inserted thereinto. Anoutlet 92 of thedetergent supply part 90" is formed at a lower portion of therear panel 67". - It should be noted that the present invention is not limited to the embodiments as described above. Alternatively, the washing machine may comprise a facility for an additional additive, such as a fabric softener supply part in addition to the detergent supply part so that a fabric softener can be introduced and is then supplied together with water supplied from the outside into the tub during the rinsing process.
- Alternatively, a space may be defined between the front panel and the rear panel constituting the door to receive an additional detergent drawer. The door may be equipped with an additional water supply hose for guiding water from the water supply device to this detergent drawer, and an additional guide hose for guiding the wash water or the rinsing water passing through this detergent drawer to the rear of the door.
- A washing machine according to embodiments of the invention has the following advantages.
- First, since the washing machine has the detergent supply part formed in the door, it has the advantage of considerable space saving compared with the washing machine having the detergent supply part arranged conventionally, thereby minimizing the volume and the number of components of the washing machine.
- Second, the inlet and outlet of the detergent supply part are formed in the front and rear sides of the door, respectively, so that the detergent can be supplied/added to the washing machine when the door is closed, thereby enhancing user convenience.
- Third, the inlet and outlet of the detergent supply part are formed in the rear side of the door, so that the detergent supply part is concealed, thereby enhancing the frontal appearance of the washing machine.
- Fourth, in the washing machine according to the invention, the shutter for opening/closing the inlet of the detergent supply part is installed to the door, thereby preventing foreign matter from entering the detergent supply part and preventing water supplied through the water supply device from leaking out
- Fifth, the door comprises the door frame having the detergent supply part and the hole formed therein, and the door glass mounted to the hole, so that the detergent can be supplied through the door frame and the inside of the washing machine can be seen through the door glass.
- It should be understood that the embodiments and the accompanying drawings as described above have been described for illustrative purposes and the present invention is limited by the following claims. The embodiments described are front loading machines, but the invention is not limited to such types and could equally well be applied to others. Further, those skilled in the art will appreciate that various modifications, additions and substitutions are allowed without departing from the scope of the invention as set forth in the accompanying claims.
Claims (10)
- A washing machine, comprising:a cabinet having a laundry entrance formed therein;a door 60 for the laundry entrance 51; andan additive supply part formed in the door.
- The washing machine as set forth in claim 1, wherein the supply part has an inlet formed in a front face of the door, and an outlet formed in a rear face of the door.
- The washing machine as set forth in claim 2, wherein the door is provided with a shutter for opening/closing the inlet.
- The washing machine as set forth in claim 2, wherein the rear of the door has a central portion protruding into the cabinet, and the outlet 92 is formed in the central portion.
- The washing machine as set forth in claim 1, wherein the supply part has an inlet and an outlet formed in a rear face of the door.
- The washing machine as set forth in claim 1, wherein the door comprises a door frame having the supply part and a hole formed in the frame, and a door glass mounted to the hole.
- The washing machine as set forth in any one of claims 1 to 6, further comprising: a water supply device arranged to communicate with the supply part when the door 60 is closed for supplying water..
- The washing machine as set forth in claim 7, wherein the water supply device comprises a water supply valve for controlling water supply from an external source, and a water supply hose 104 arranged to guide water from the water supply valve 102 to the supply part 90; 90'; 90" when the door 60 is closed.
- The washing machine as set forth in claim 7, wherein the supply part comprises an additive containing portion having a predetermined space defined to contain the additive supplied through the inlet to be contained therein, and a siphon channel through which the additive in the containing portion is discharged along with supplied water to the outlet
- A washing machine as set forth in any of claims 1 to 9 in which the door is arranged for front loading.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040071825A KR20060023016A (en) | 2004-09-08 | 2004-09-08 | Washing machine |
Publications (1)
Publication Number | Publication Date |
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EP1634987A1 true EP1634987A1 (en) | 2006-03-15 |
Family
ID=36155518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05255526A Withdrawn EP1634987A1 (en) | 2004-09-08 | 2005-09-08 | Washing machine |
Country Status (5)
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US (1) | US20060053842A1 (en) |
EP (1) | EP1634987A1 (en) |
JP (1) | JP2006075604A (en) |
KR (1) | KR20060023016A (en) |
CN (1) | CN1746413B (en) |
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Also Published As
Publication number | Publication date |
---|---|
US20060053842A1 (en) | 2006-03-16 |
KR20060023016A (en) | 2006-03-13 |
CN1746413B (en) | 2010-10-13 |
CN1746413A (en) | 2006-03-15 |
JP2006075604A (en) | 2006-03-23 |
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