EP3064632A1 - Drum type washing machine - Google Patents
Drum type washing machine Download PDFInfo
- Publication number
- EP3064632A1 EP3064632A1 EP16158351.3A EP16158351A EP3064632A1 EP 3064632 A1 EP3064632 A1 EP 3064632A1 EP 16158351 A EP16158351 A EP 16158351A EP 3064632 A1 EP3064632 A1 EP 3064632A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- case
- washing machine
- drum type
- type washing
- fixing
- 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.)
- Granted
Links
- 238000005406 washing Methods 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000003599 detergent Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
-
- 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
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/206—Mounting of motor
-
- 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
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
Definitions
- Embodiments of the present invention relate to a drum type washing machine in which a rotating tub receives a rotational force from a driving motor and rotates.
- washing machines are apparatuses which include a reservoir which stores water and a rotating tub rotatably installed in the reservoir.
- the rotating tub in which laundry is accommodated rotates inside the reservoir, thereby washing the laundry.
- drum type washing machines in which a rotation shaft of a rotating tub is disposed in an approximately horizontal direction to allow laundry to be pulled upward according to rotation of a rotating tub and to drop, thereby washing the laundry due to head thereof.
- drum type washing machines described above there are direct connection drum type washing machines in which a rotation shaft of a driving motor is directly connected to a rear side of a rotating tub to directly transfer a rotational force of the driving motor to the rotating tub and belt drum type washing machines in which a rotating tub receives the rotational force generated by a driving motor transferred through a driving pulley, a driven pulley, and a belt and rotates.
- the driving motor is fixed to a reservoir
- the driving pulley is installed at a driving shaft of the driving motor
- the driven pulley is installed at a rotation shaft of the rotating tub.
- the belt is wound on the driving pulley and the driven pulley and transfers the rotational force from the driving pulley to the driven pulley.
- a drum type washing machine includes a reservoir which contains water, a rotating tub rotatably installed in the reservoir, a driving apparatus which generates a rotational force for rotating the rotating tub, and at least one fixing bracket for fixing the driving motor to the reservoir.
- the driving apparatus includes the driving motor which generates the rotational force.
- the driving motor includes a case forms an exterior thereof.
- the case is formed of a metal material.
- the fixing bracket is formed of a resin material and fixed to the case.
- the fixing bracket may include a motor fixing portion fixed to the case, a pair of reservoir fixing portions fixed to the reservoir, a pair of first frame portions which connect the motor fixing portion with the pair of reservoir fixing portions, respectively, and a second frame portion which mutually connects the pair of reservoir fixing portions.
- the fixing bracket may include a plurality of supporting ribs for reinforcing the strength thereof.
- the plurality of supporting ribs may include a plurality of first supporting ribs which provide support in a space between the motor fixing portion and the pair of reservoir fixing portions and a plurality of second supporting ribs which provide support in a space between the motor fixing portion and the second frame portion.
- the plurality of supporting ribs may include a plurality of third supporting ribs which are formed in an X shape and provide support in the space between the motor fixing portion and the second frame portion.
- the driving motor may include a stator, a rotor which interacts with the stator and rotates, a driving shaft which is fixed to the rotor and rotates together with the rotor, and a pair of bearings which rotatably support the driving shaft.
- the case may include a bearing installation portion in which the pair of bearings are installed, a shaft installation hole which is provided in one side of the case, through which one end of the driving shaft passes and protrudes therefrom, and a bracket installation groove which has an annular shape concavely provided outside the bearing installation portion.
- the fixing bracket may include a mounting hole into which the bearing installation portion is mounted therein and an extended rib which extends from a portion adjacent to the mounting hole in an annular shape and supports a surface of the bearing installation portion therein.
- the drum type washing machine may further include a plurality of reinforcing ribs which extend outward from the extended rib in a radial direction and are spaced apart in a circumferential direction.
- At least one step portion stepped in an annular shape around the bearing installation portion may be provided at one surface of the case to which the fixing bracket is fixed.
- the at least one step portion may include a plurality of stepped portions sequentially provided in a radial direction around the bearing installation portion.
- the fixing bracket may include temporary assembly protrusions which protrude from the motor fixing portion toward the case.
- the case may include temporary assembly holes into which the temporary assembly protrusions are inserted.
- the fixing bracket and the case may include first fastening holes and second fastening holes which are provided at mutually corresponding positions, to which fastening members are fastened, respectively.
- the temporary assembly protrusions and the first fastening holes may be alternately provided in a circumferential direction. Also, the temporary assembly holes and the second fastening holes may be alternately provided in the circumferential direction.
- the case may include a first case which supports one side of the stator and a second case which supports the other side of the stator.
- the fixing bracket may be fixed to the first case.
- the second case may include a fixing portion which is fixed to the reservoir.
- the case may include a first case which supports one side of the stator and the rotor and a second case which supports the other side of the stator and the rotor.
- the fixing bracket may include a first fixing bracket and a second fixing bracket installed in the first case and the second case, respectively.
- a drum type washing machine in accordance with one embodiment of the present invention includes a reservoir which contains water, a rotating tub rotatably installed in the reservoir, a driving motor which generates a rotational force for rotating the rotating tub, and at least one fixing bracket for fixing the driving motor to the reservoir.
- the drum type washing machine in accordance with one embodiment of the present invention, as shown in FIG. 1 , includes a housing 10 which forms an exterior, a reservoir 20 installed inside the housing 10 while being suspended to store water, and a rotating tub 30 rotatably installed in the reservoir 20.
- An inlet 10a is provided at a front of the housing 10 to introduce laundry into the rotating tub 30.
- Through holes 20a and 30a corresponding to the inlet 10a are provided in fronts of the reservoir 20 and the rotating tub 30, respectively.
- a door 11 is installed at the front of the housing 10 to open or close the inlet 10a.
- a water supply apparatus 40 for supplying water to the reservoir is disposed at an upper inside of the housing 10, and a drainage apparatus 50 for outwardly discharging washing water used for washing is disposed at a lower inside of the housing 10.
- the water supply apparatus 40 includes a water supply pipe 41 connected to an external water supply source, a water supply valve 42 disposed at the water supply pipe 41 to open and close the water supply pipe 41, a detergent supply unit 43 which mixes water transferred through the water supply pipe 41 with a detergent, and a washing water supply pipe 44 which connects the detergent supply unit 43 with the reservoir 20 and guides the water and detergent to the reservoir 20.
- the drainage apparatus 50 includes a drainage pipe 51 which is connected to a bottom of the reservoir 20 and guides the washing water used in the reservoir 20 to be discharged outside the washing machine and a drainage pump 52 disposed at the drainage pipe 51 to allow the washing water to be discharged outside through the drainage pipe 51.
- the rotating tub 30 has a hollow cylindrical shape.
- a plurality of through holes 30b are provided in an outer circumferential surface of the rotating tub 30 to allow the water to pass.
- Lifters 30c are disposed on an inner circumferential surface of the rotating tub 30 while being spaced apart in a circumferential direction to lift laundry in the rotating tub 30 upward.
- a rotation shaft 31 which receives a rotational force and allows the rotating tub 30 to rotate in the reservoir 20 is coupled to a rear surface of the rotating tub 30.
- the rotation shaft 31 is rotatably installed at a rear surface of the reservoir 20, and a rear end of the rotation shaft 31 passes through the rear surface of the reservoir 20 and protrudes from a rear side of the reservoir 20.
- the drum type washing machine includes a driving apparatus 60 which generates power to rotate the rotating tub 30.
- the driving apparatus 60 includes a driving motor 61 which generates a rotational force, a driving pulley 62 installed at a rear end of a driving shaft 613 of the driving motor 61, which will be described below, and a driven pulley 63 which is installed at the rear end of the rotation shaft 31 and receives a rotational force from the driving pulley 62 through a belt 64.
- the driving motor 61 as shown in FIGS. 2 and 3 , includes a stator 611, a rotor 612 which is rotatably installed in the stator 611 and rotates while interacting with the stator 611, and the driving shaft 613 which is installed in a center of the rotor 612 and rotates together with the rotor 612.
- the driving pulley 62 described above is installed at the rear end of the driving shaft 613.
- the driving motor 61 includes cases 614F and 614S which form an exterior of the driving motor 61 and support the stator 611 and one pair of bearings 615 which are installed in each of the cases 614F and 614S and rotatably support both sides of the driving shaft 613.
- the cases 614F and 614S include a first case 614F fixed to cover one side of the stator 611 and a second case 614S fixed to cover the other side of the stator 611.
- Bearing installation portions 614a which have hollow cylindrical shapes in which the bearings 615 described above are installed are provided in central portions of the first case 614F and the second case 614S.
- a shaft installation hole 614b which allows the rear end of the driving shaft 613 to pass through the second case 614S and to protrude from a rear side thereof is provided in a center of the second case 614S.
- a bracket installation groove 614c concavely formed in an annular shape outside the bearing installation portion 614a, in which a fixing bracket 70 is installed, is provided in the first case 614F.
- the driving motor 61 is installed on and fixed to an outer surface of the reservoir 20.
- the fixing bracket 70 is fixed to one side of the driving motor 61 and fixing portions 614d which integrally extend from the case 614S are provided at the other side of the driving motor 61.
- the fixing bracket 70 is fixed to the first case 614F, and the fixing portions 614d are integrally extended from the second case 614S. Also, the first and second cases 614F and 614S are formed of a metal material and the fixing bracket 70 is formed of a resin material.
- the emission of heat generated by the driving motor 61 is smoothly performed through the cases 614F and 614S formed of a metal. Since the driving motor 61 can be stored while being not coupled with the fixing bracket 70, it is easy to store the driving motor 61. Even though the fixing bracket 70 is fixed to the driving motor 61, since the fixing bracket 70 is formed of a relatively lightweight resin material rather than metal, the driving motor 61 may be simply installed.
- the fixing bracket 70 includes a motor fixing portion 71 fixed to the first case 614F, a pair of reservoir fixing portions 72 fixed to an outer surface of the reservoir 20, a pair of first frame portions 73 which connect the pair of reservoir fixing portions 72 with the motor fixing portion 71, and a second frame portion 74 which connects the two reservoir fixing portions 72 with each other.
- the motor fixing portion 71 includes a mounting hole 71 a into which a bearing installation portion 614a provided in the first case 614F is mounted to allow an outer circumferential surface of the bearing installation portion 614a of the first case 614F to be supported by an inner circumferential surface of the mounting hole 71 a. Also, the motor fixing portion 71 includes an extended rib 71 b which is integrally extended from a portion adjacent to the mounting hole 71 a in an annular shape and enters in the bracket installation groove 614c to support an outer surface of the bearing installation portion 614a and a plurality of reinforcing ribs 71 c which extend from the extended rib 71 b in a radial direction and are spaced apart in a circumferential direction.
- the extended ribs 71 b forms the mounting hole 71 a together with the motor fixing portion 71 to provide an effect of extending a length of the mounting hole 71 a. Accordingly, the bearing installation portion 614a of the first case 614F may be stably mounted into and supported by the mounting hole 71 a formed by the motor fixing portion 71 and the extended ribs 71 b.
- a step portion 614e formed in an annular shape around the bearing installation portion 614a is provided at one surface of the first case 614F to which the motor fixing portion 71 of the fixing bracket 70 is fixed.
- the two reservoir fixing portions 72 include fastening holes 72a to which fastening members are fastened, respectively. Also, although not shown in the drawings, buffering members for reducing the transfer of vibrations generated during an operation of the drum type washing machine may be installed at the fastening holes 72a in the two reservoir fixing portions 72, respectively.
- the first frame portions 73 are formed to have thicknesses which taper from the reservoir fixing portions 72 to the motor fixing portion 71.
- the second frame portion 74 is formed in a plate shape curved toward the motor fixing portion 71.
- the fixing bracket 70 includes supporting ribs 75, 76, and 77 which allow the components of the fixing bracket 70 described above to be mutually supported to increase the strength of the fixing bracket 70.
- the supporting ribs 75, 76, and 77 include a plurality of first supporting ribs 75 which are provided in an approximately triangular space formed between the first frame portions 73 and the second frame portion 74 and provide support in a space between the motor fixing portion 71 and the pair of reservoir fixing portions 72, a plurality of second supporting ribs 76 which provide support in a space between the motor fixing portion 71 and the second frame portion 74, and a plurality of third supporting ribs 77 which have an X shape and provide support in the space between the motor fixing portion 71 and the second frame portion 74.
- the third supporting ribs 77 comprise at least two portions which intersect to form an X shape.
- a plurality of temporary assembly protrusions 71 d which protrude toward the first case 614F are provided at the motor fixing portion 71 and a plurality of temporary assembly holes 614f which are provided at positions corresponding to the plurality of temporary assembly protrusions 71 d to allow the plurality of temporary assembly protrusions 71d to be respectively inserted thereinto are provided in the first case 614F.
- first fastening holes 71e and second fastening holes 614g are provided in the motor fixing portion 71 and the first case 614F in mutually corresponding positions, respectively, to allow the motor fixing portion 71 of the fixing bracket 70 to be fixed to the first case 614F using fastening members.
- the fixing bracket 70 is temporarily assembled with the first case 614F by inserting the temporary assembly protrusions 71d into the temporary assembly holes 614f and then fastening members are fastened to the first fastening holes 713 and the second fastening holes 614g, thereby fixing the fixing bracket 70 to the first case 614F.
- the temporary assembly protrusions 71 d and the first fastening holes 71e are alternately provided at the motor fixing portion 71 in a circumferential direction and the temporary assembly holes 614f and the second fastening holes 614g are alternately provided in the first case 614F in a circumferential direction.
- step portion 614e is shown as being provided, this is merely an example and not limited thereto.
- a plurality of step portions 614e may be sequentially formed outside in a radial direction around the bearing installation portion 614a.
- one side of the driving motor 61 is fixed to the reservoir 20 through the fixing bracket 70 coupled with the first case 614F and the other side thereof is coupled with the reservoir 20 through the fixing portions 614d integrally provided at the second case 614S but this is not limited thereto.
- a first fixing bracket 70A is coupled with a first case 614F' of a driving motor 61" and a second fixing bracket 70B may be fixed to a second case 614S' to allow the driving motor 61" to be fixed to the reservoir 20 through the first fixing bracket 70A and the second fixing bracket 70B.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
Description
- Embodiments of the present invention relate to a drum type washing machine in which a rotating tub receives a rotational force from a driving motor and rotates.
- Generally, washing machines are apparatuses which include a reservoir which stores water and a rotating tub rotatably installed in the reservoir. Here, the rotating tub in which laundry is accommodated rotates inside the reservoir, thereby washing the laundry.
- Recently, among washing machines described above, there are drum type washing machines in which a rotation shaft of a rotating tub is disposed in an approximately horizontal direction to allow laundry to be pulled upward according to rotation of a rotating tub and to drop, thereby washing the laundry due to head thereof.
- Also, in drum type washing machines described above, there are direct connection drum type washing machines in which a rotation shaft of a driving motor is directly connected to a rear side of a rotating tub to directly transfer a rotational force of the driving motor to the rotating tub and belt drum type washing machines in which a rotating tub receives the rotational force generated by a driving motor transferred through a driving pulley, a driven pulley, and a belt and rotates.
- In belt drum type washing machines, the driving motor is fixed to a reservoir, the driving pulley is installed at a driving shaft of the driving motor, and the driven pulley is installed at a rotation shaft of the rotating tub. Also, the belt is wound on the driving pulley and the driven pulley and transfers the rotational force from the driving pulley to the driven pulley.
- Therefore, it is an aspect of the present invention to provide a drum type washing machine capable of smoothly discharging heat generated in a driving motor and reducing a weight of the driving motor to be easily stored and installed.
- Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
- In accordance with one aspect of the present invention, a drum type washing machine includes a reservoir which contains water, a rotating tub rotatably installed in the reservoir, a driving apparatus which generates a rotational force for rotating the rotating tub, and at least one fixing bracket for fixing the driving motor to the reservoir. Here, the driving apparatus includes the driving motor which generates the rotational force. Also, the driving motor includes a case forms an exterior thereof. Also, the case is formed of a metal material. Also, the fixing bracket is formed of a resin material and fixed to the case.
- The fixing bracket may include a motor fixing portion fixed to the case, a pair of reservoir fixing portions fixed to the reservoir, a pair of first frame portions which connect the motor fixing portion with the pair of reservoir fixing portions, respectively, and a second frame portion which mutually connects the pair of reservoir fixing portions.
- The fixing bracket may include a plurality of supporting ribs for reinforcing the strength thereof.
- The plurality of supporting ribs may include a plurality of first supporting ribs which provide support in a space between the motor fixing portion and the pair of reservoir fixing portions and a plurality of second supporting ribs which provide support in a space between the motor fixing portion and the second frame portion.
- The plurality of supporting ribs may include a plurality of third supporting ribs which are formed in an X shape and provide support in the space between the motor fixing portion and the second frame portion.
- The driving motor may include a stator, a rotor which interacts with the stator and rotates, a driving shaft which is fixed to the rotor and rotates together with the rotor, and a pair of bearings which rotatably support the driving shaft.
- The case may include a bearing installation portion in which the pair of bearings are installed, a shaft installation hole which is provided in one side of the case, through which one end of the driving shaft passes and protrudes therefrom, and a bracket installation groove which has an annular shape concavely provided outside the bearing installation portion. Also, the fixing bracket may include a mounting hole into which the bearing installation portion is mounted therein and an extended rib which extends from a portion adjacent to the mounting hole in an annular shape and supports a surface of the bearing installation portion therein.
- The drum type washing machine may further include a plurality of reinforcing ribs which extend outward from the extended rib in a radial direction and are spaced apart in a circumferential direction.
- At least one step portion stepped in an annular shape around the bearing installation portion may be provided at one surface of the case to which the fixing bracket is fixed.
- The at least one step portion may include a plurality of stepped portions sequentially provided in a radial direction around the bearing installation portion.
- The fixing bracket may include temporary assembly protrusions which protrude from the motor fixing portion toward the case. Also, the case may include temporary assembly holes into which the temporary assembly protrusions are inserted.
- The fixing bracket and the case may include first fastening holes and second fastening holes which are provided at mutually corresponding positions, to which fastening members are fastened, respectively.
- The temporary assembly protrusions and the first fastening holes may be alternately provided in a circumferential direction. Also, the temporary assembly holes and the second fastening holes may be alternately provided in the circumferential direction.
- The case may include a first case which supports one side of the stator and a second case which supports the other side of the stator. Also, the fixing bracket may be fixed to the first case. Also, the second case may include a fixing portion which is fixed to the reservoir.
- The case may include a first case which supports one side of the stator and the rotor and a second case which supports the other side of the stator and the rotor. Also, the fixing bracket may include a first fixing bracket and a second fixing bracket installed in the first case and the second case, respectively.
- A drum type washing machine in accordance with one embodiment of the present invention includes a reservoir which contains water, a rotating tub rotatably installed in the reservoir, a driving motor which generates a rotational force for rotating the rotating tub, and at least one fixing bracket for fixing the driving motor to the reservoir.
- These and/or other aspects of the invention will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
-
FIG. 1 is a schematic diagram of a washing machine in accordance with one embodiment of the present invention; -
FIG. 2 is an exploded perspective view of a driving motor and a fixing bracket applied to the washing machine in accordance with one embodiment of the present invention; -
FIG. 3 is a cross-sectional view of the driving motor and the fixing bracket applied to the washing machine in accordance with one embodiment of the present invention; -
FIG. 4 is a rear view of the fixing bracket applied to the washing machine in accordance with one embodiment of the present invention; -
FIG. 5 is a perspective view of a driving motor applied to a washing machine in accordance with another embodiment of the present invention; and -
FIG. 6 is an exploded perspective view of a driving motor and a fixing bracket applied to a washing machine in accordance with still another embodiment of the present invention. - Hereinafter, a drum type washing machine in accordance with one embodiment of the present invention will be described with reference to the attached drawings.
- The drum type washing machine in accordance with one embodiment of the present invention, as shown in
FIG. 1 , includes ahousing 10 which forms an exterior, areservoir 20 installed inside thehousing 10 while being suspended to store water, and a rotatingtub 30 rotatably installed in thereservoir 20. - An
inlet 10a is provided at a front of thehousing 10 to introduce laundry into the rotatingtub 30. Through holes 20a and 30a corresponding to theinlet 10a are provided in fronts of thereservoir 20 and the rotatingtub 30, respectively. Adoor 11 is installed at the front of thehousing 10 to open or close theinlet 10a. - A
water supply apparatus 40 for supplying water to the reservoir is disposed at an upper inside of thehousing 10, and adrainage apparatus 50 for outwardly discharging washing water used for washing is disposed at a lower inside of thehousing 10. - The
water supply apparatus 40 includes awater supply pipe 41 connected to an external water supply source, awater supply valve 42 disposed at thewater supply pipe 41 to open and close thewater supply pipe 41, adetergent supply unit 43 which mixes water transferred through thewater supply pipe 41 with a detergent, and a washingwater supply pipe 44 which connects thedetergent supply unit 43 with thereservoir 20 and guides the water and detergent to thereservoir 20. - The
drainage apparatus 50 includes adrainage pipe 51 which is connected to a bottom of thereservoir 20 and guides the washing water used in thereservoir 20 to be discharged outside the washing machine and adrainage pump 52 disposed at thedrainage pipe 51 to allow the washing water to be discharged outside through thedrainage pipe 51. - The rotating
tub 30 has a hollow cylindrical shape. A plurality of throughholes 30b are provided in an outer circumferential surface of the rotatingtub 30 to allow the water to pass.Lifters 30c are disposed on an inner circumferential surface of the rotatingtub 30 while being spaced apart in a circumferential direction to lift laundry in the rotatingtub 30 upward. Also, arotation shaft 31 which receives a rotational force and allows the rotatingtub 30 to rotate in thereservoir 20 is coupled to a rear surface of the rotatingtub 30. Therotation shaft 31 is rotatably installed at a rear surface of thereservoir 20, and a rear end of therotation shaft 31 passes through the rear surface of thereservoir 20 and protrudes from a rear side of thereservoir 20. - Also, the drum type washing machine includes a driving
apparatus 60 which generates power to rotate the rotatingtub 30. - The driving
apparatus 60 includes adriving motor 61 which generates a rotational force, adriving pulley 62 installed at a rear end of adriving shaft 613 of thedriving motor 61, which will be described below, and a drivenpulley 63 which is installed at the rear end of therotation shaft 31 and receives a rotational force from thedriving pulley 62 through abelt 64. - The
driving motor 61, as shown inFIGS. 2 and3 , includes astator 611, arotor 612 which is rotatably installed in thestator 611 and rotates while interacting with thestator 611, and thedriving shaft 613 which is installed in a center of therotor 612 and rotates together with therotor 612. The drivingpulley 62 described above is installed at the rear end of the drivingshaft 613. - Also, the driving
motor 61 includescases motor 61 and support thestator 611 and one pair ofbearings 615 which are installed in each of thecases shaft 613. - The
cases first case 614F fixed to cover one side of thestator 611 and asecond case 614S fixed to cover the other side of thestator 611.Bearing installation portions 614a which have hollow cylindrical shapes in which thebearings 615 described above are installed are provided in central portions of thefirst case 614F and thesecond case 614S. Ashaft installation hole 614b which allows the rear end of the drivingshaft 613 to pass through thesecond case 614S and to protrude from a rear side thereof is provided in a center of thesecond case 614S. Also, abracket installation groove 614c concavely formed in an annular shape outside the bearinginstallation portion 614a, in which a fixingbracket 70 is installed, is provided in thefirst case 614F. - The driving
motor 61 is installed on and fixed to an outer surface of thereservoir 20. To fix the drivingmotor 61 to thereservoir 20, the fixingbracket 70 is fixed to one side of the drivingmotor 61 and fixingportions 614d which integrally extend from thecase 614S are provided at the other side of the drivingmotor 61. - The fixing
bracket 70 is fixed to thefirst case 614F, and the fixingportions 614d are integrally extended from thesecond case 614S. Also, the first andsecond cases bracket 70 is formed of a resin material. - Accordingly, the emission of heat generated by the driving
motor 61 is smoothly performed through thecases motor 61 can be stored while being not coupled with the fixingbracket 70, it is easy to store the drivingmotor 61. Even though the fixingbracket 70 is fixed to the drivingmotor 61, since the fixingbracket 70 is formed of a relatively lightweight resin material rather than metal, the drivingmotor 61 may be simply installed. - The fixing
bracket 70 includes amotor fixing portion 71 fixed to thefirst case 614F, a pair ofreservoir fixing portions 72 fixed to an outer surface of thereservoir 20, a pair offirst frame portions 73 which connect the pair ofreservoir fixing portions 72 with themotor fixing portion 71, and asecond frame portion 74 which connects the tworeservoir fixing portions 72 with each other. - The
motor fixing portion 71 includes a mountinghole 71 a into which abearing installation portion 614a provided in thefirst case 614F is mounted to allow an outer circumferential surface of thebearing installation portion 614a of thefirst case 614F to be supported by an inner circumferential surface of the mountinghole 71 a. Also, themotor fixing portion 71 includes anextended rib 71 b which is integrally extended from a portion adjacent to the mountinghole 71 a in an annular shape and enters in thebracket installation groove 614c to support an outer surface of thebearing installation portion 614a and a plurality of reinforcingribs 71 c which extend from theextended rib 71 b in a radial direction and are spaced apart in a circumferential direction. Theextended ribs 71 b forms the mountinghole 71 a together with themotor fixing portion 71 to provide an effect of extending a length of the mountinghole 71 a. Accordingly, the bearinginstallation portion 614a of thefirst case 614F may be stably mounted into and supported by the mountinghole 71 a formed by themotor fixing portion 71 and theextended ribs 71 b. - Also, a
step portion 614e formed in an annular shape around the bearinginstallation portion 614a is provided at one surface of thefirst case 614F to which themotor fixing portion 71 of the fixingbracket 70 is fixed. - The two
reservoir fixing portions 72 includefastening holes 72a to which fastening members are fastened, respectively. Also, although not shown in the drawings, buffering members for reducing the transfer of vibrations generated during an operation of the drum type washing machine may be installed at thefastening holes 72a in the tworeservoir fixing portions 72, respectively. - The
first frame portions 73, as shown inFIG. 4 , are formed to have thicknesses which taper from thereservoir fixing portions 72 to themotor fixing portion 71. Thesecond frame portion 74 is formed in a plate shape curved toward themotor fixing portion 71. - Also, the fixing
bracket 70 includes supportingribs bracket 70 described above to be mutually supported to increase the strength of the fixingbracket 70. The supportingribs ribs 75 which are provided in an approximately triangular space formed between thefirst frame portions 73 and thesecond frame portion 74 and provide support in a space between themotor fixing portion 71 and the pair ofreservoir fixing portions 72, a plurality of second supportingribs 76 which provide support in a space between themotor fixing portion 71 and thesecond frame portion 74, and a plurality of third supportingribs 77 which have an X shape and provide support in the space between themotor fixing portion 71 and thesecond frame portion 74. The third supportingribs 77 comprise at least two portions which intersect to form an X shape. - Also, as shown in
FIGS. 2 and3 , a plurality oftemporary assembly protrusions 71 d which protrude toward thefirst case 614F are provided at themotor fixing portion 71 and a plurality of temporary assembly holes 614f which are provided at positions corresponding to the plurality oftemporary assembly protrusions 71 d to allow the plurality oftemporary assembly protrusions 71d to be respectively inserted thereinto are provided in thefirst case 614F. - Also,
first fastening holes 71e and second fastening holes 614g are provided in themotor fixing portion 71 and thefirst case 614F in mutually corresponding positions, respectively, to allow themotor fixing portion 71 of the fixingbracket 70 to be fixed to thefirst case 614F using fastening members. - Accordingly, the fixing
bracket 70 is temporarily assembled with thefirst case 614F by inserting thetemporary assembly protrusions 71d into the temporary assembly holes 614f and then fastening members are fastened to the first fastening holes 713 and thesecond fastening holes 614g, thereby fixing the fixingbracket 70 to thefirst case 614F. - In the embodiment, the
temporary assembly protrusions 71 d and thefirst fastening holes 71e are alternately provided at themotor fixing portion 71 in a circumferential direction and the temporary assembly holes 614f and the second fastening holes 614g are alternately provided in thefirst case 614F in a circumferential direction. - In the embodiment, although one
step portion 614e is shown as being provided, this is merely an example and not limited thereto. In another embodiment shown inFIG. 5 , in a driving motor 61', a plurality ofstep portions 614e may be sequentially formed outside in a radial direction around the bearinginstallation portion 614a. - Also, in the embodiment, one side of the driving
motor 61 is fixed to thereservoir 20 through the fixingbracket 70 coupled with thefirst case 614F and the other side thereof is coupled with thereservoir 20 through the fixingportions 614d integrally provided at thesecond case 614S but this is not limited thereto. As still another embodiment shown inFIG. 6 , afirst fixing bracket 70A is coupled with afirst case 614F' of a drivingmotor 61" and asecond fixing bracket 70B may be fixed to asecond case 614S' to allow the drivingmotor 61" to be fixed to thereservoir 20 through thefirst fixing bracket 70A and thesecond fixing bracket 70B. - As is apparent from the above description, since a case of a driving motor is formed of a metal and a fixing bracket is formed of a resin material, the emission of heat generated by the driving motor can be easily performed, and since a weight of the driving motor is greatly reduced due to the fixing bracket formed of the resin material, it can be easily stored and installed.
- Although a few embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles of the invention, the scope of which is defined in the claims and their equivalents.
Claims (15)
- A drum type washing machine comprising:a reservoir (20) which contains water;a rotating tub (30) rotatably installed in the reservoir (20);a driving apparatus (60) which generates a rotational force for rotating the rotating tub (30); andat least one fixing bracket (70) for fixing the driving motor to the reservoir (20),wherein the driving apparatus (60) comprises the driving motor (61) which generates the rotational force,the driving motor (61) comprises a case (614) for forming an exterior thereof,the case (614) is formed of a metal material, andthe fixing bracket (70) is formed of a resin material and fixed to the case (614).
- The drum type washing machine of claim 1, wherein the fixing bracket (70) comprises:a motor fixing portion (71) fixed to the case (614);a pair of reservoir fixing portions (72) fixed to the reservoir (20);a pair of first frame portions (73) which connect the motor fixing portion (71) with the pair of reservoir fixing portions (72), respectively; anda second frame portion (74) which mutually connects the pair of reservoir fixing portions (72).
- The drum type washing machine of claims 1 or 2, wherein the fixing bracket (70) comprises a plurality of supporting ribs (75, 76, 77) for reinforcing the strength thereof.
- The drum type washing machine of claim 3, wherein the plurality of supporting ribs (75, 76, 77) comprise a plurality of first supporting ribs (75) which provide support in a space between the motor fixing portion (71) and the pair of reservoir fixing portions (72) and a plurality of second supporting ribs (76) which provide support in a space between the motor fixing portion (71) and the second frame portion (74).
- The drum type washing machine of claim 4, wherein the plurality of supporting ribs (75, 76, 77) comprise a plurality of third supporting ribs (77) which are formed in an X shape and provide support in the space between the motor fixing portion (71) and the second frame portion (74).
- The drum type washing machine of any one of the previous claims, wherein the driving motor (61) comprises:a stator (611);a rotor (612) which interacts with the stator (611) and rotates;a driving shaft (613) which is fixed to the rotor (612) and rotates together with the rotor (612); anda pair of bearings (615) which rotatably support the driving shaft (613).
- The drum type washing machine of claim 6, wherein the case (614) comprises:a bearing installation portion (614a) in which the pair of bearings (615) are installed;a shaft installation hole (614b) which is provided in one side of the case (614), through which one end of the driving shaft (613) passes and protrudes therefrom; anda bracket installation groove (614c) which has an annular shape concavely provided outside the bearing installation portion (614a), andwherein the fixing bracket (70) comprises:a mounting hole (71 a) into which the bearing installation portion (614a) is mounted; andan extended rib (71 b) which extends from a portion adjacent to the mounting hole (71 a) in an annular shape and supports a surface of the bearing installation portion (614a) therein.
- The drum type washing machine of claim 7, further comprising a plurality of reinforcing ribs (71c) which extend outward from the extended rib (71b) in a radial direction and are spaced apart in a circumferential direction.
- The drum type washing machine of claim 7 or 8, wherein at least one step portion (71 e) stepped in an annular shape around the bearing installation portion (614a) is provided at one surface of the case (614) to which the fixing bracket (70) is fixed.
- The drum type washing machine of claim 9, wherein the at least one step portion (71 e) comprises a plurality of stepped portions (614e) sequentially provided in a radial direction around the bearing installation portion (614a).
- The drum type washing machine of any one of the previous claims, wherein the fixing bracket (70) comprises temporary assembly protrusions (71 d) which protrude from the motor fixing portion (71) toward the case (614), and
the case (614) comprises temporary assembly holes (614f) into which the temporary assembly protrusions (71 d) are inserted. - The drum type washing machine of any one of the previous claims, wherein the fixing bracket (70) and the case (614) comprise first fastening holes (71 e) and second fastening holes (614g) which are provided at mutually corresponding positions, to which fastening members are fastened, respectively.
- The drum type washing machine of claim 12, wherein the temporary assembly protrusions (71d) and the first fastening holes (614g) are alternately provided in a circumferential direction, and
the temporary assembly holes (614f) and the second fastening holes (614g) are alternately provided in the circumferential direction. - The drum type washing machine of any one of the previous claims, wherein the case (614) comprises:a first case (614F) which supports one side of the stator (611) and a second case (614S) which supports the other side of the stator (611),wherein the fixing bracket (70) is fixed to the first case (614F), andwherein the second case (614S) comprises a fixing portion (72) which is fixed to the reservoir (20).
- The drum type washing machine of any one of the previous claims 1 to 13, wherein the case (614) comprises a first case (614F) which supports one side of the stator (611) and the rotor (612) and a second case (614S) which supports the other side of the stator (611) and the rotor (612), and
wherein the fixing bracket (70) comprises a first fixing bracket (70A) and a second fixing bracket (70B) installed in the first case (614F') and the second case (614S'), respectively.
Applications Claiming Priority (1)
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KR1020150030323A KR102418293B1 (en) | 2015-03-04 | 2015-03-04 | Drum type washing machine |
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EP3064632A1 true EP3064632A1 (en) | 2016-09-07 |
EP3064632B1 EP3064632B1 (en) | 2020-12-16 |
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EP16158351.3A Active EP3064632B1 (en) | 2015-03-04 | 2016-03-03 | Drum type washing machine |
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KR (1) | KR102418293B1 (en) |
CN (1) | CN105937133B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018127314A1 (en) | 2016-12-08 | 2018-07-12 | Arcelik Anonim Sirketi | A washing machine wherein the electric motor is integrated to the tub |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2018100966A1 (en) * | 2016-11-30 | 2018-06-07 | 日本電産株式会社 | Motor |
Citations (3)
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DE102010062822A1 (en) * | 2010-12-10 | 2012-06-14 | BSH Bosch und Siemens Hausgeräte GmbH | Housingless electric motor for a household appliance |
DE102011083652A1 (en) * | 2011-09-28 | 2013-03-28 | BSH Bosch und Siemens Hausgeräte GmbH | Arrangement with a tub of a washing machine and a drive motor and washing machine |
EP2620537A1 (en) * | 2012-01-26 | 2013-07-31 | Electrolux Home Products Corporation N.V. | Laundry washing machine |
Family Cites Families (2)
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CN102094306B (en) * | 2009-12-11 | 2013-01-16 | 索诺科开发公司 | Barrel supporting part of washing machine |
ES2401596T3 (en) * | 2011-03-07 | 2013-04-22 | Miele & Cie. Kg | Plastic container for a washing machine with a screw connection to fix a cover for the washing tray made of plastic to a plastic cover for the washing tray |
-
2015
- 2015-03-04 KR KR1020150030323A patent/KR102418293B1/en active IP Right Grant
-
2016
- 2016-03-03 EP EP16158351.3A patent/EP3064632B1/en active Active
- 2016-03-04 CN CN201610124212.XA patent/CN105937133B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010062822A1 (en) * | 2010-12-10 | 2012-06-14 | BSH Bosch und Siemens Hausgeräte GmbH | Housingless electric motor for a household appliance |
DE102011083652A1 (en) * | 2011-09-28 | 2013-03-28 | BSH Bosch und Siemens Hausgeräte GmbH | Arrangement with a tub of a washing machine and a drive motor and washing machine |
EP2620537A1 (en) * | 2012-01-26 | 2013-07-31 | Electrolux Home Products Corporation N.V. | Laundry washing machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018127314A1 (en) | 2016-12-08 | 2018-07-12 | Arcelik Anonim Sirketi | A washing machine wherein the electric motor is integrated to the tub |
Also Published As
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EP3064632B1 (en) | 2020-12-16 |
KR20160107505A (en) | 2016-09-19 |
CN105937133B (en) | 2020-12-25 |
CN105937133A (en) | 2016-09-14 |
KR102418293B1 (en) | 2022-07-08 |
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