CN102454088B - Drum-type washing machine - Google Patents
Drum-type washing machine Download PDFInfo
- Publication number
- CN102454088B CN102454088B CN2011103178572A CN201110317857A CN102454088B CN 102454088 B CN102454088 B CN 102454088B CN 2011103178572 A CN2011103178572 A CN 2011103178572A CN 201110317857 A CN201110317857 A CN 201110317857A CN 102454088 B CN102454088 B CN 102454088B
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- China
- Prior art keywords
- motor
- washing machine
- mentioned
- belt
- tumbling
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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
- D06F37/30—Driving arrangements
Abstract
A drum-type washing machine of the present invention includes a water tank supported in a washing machine main body, a rotary drum supported in the water tank, a motor fixed to an outer bottom portion of the water tank, a driving pulley provided on one end of a motor shaft of the motor, a rotation shaft having one end fixed to the rotary drum , a driven pulley securely installed on the other rotation shaft end, and a belt transmitting rotation of the motor to the driven pulley. A waterproof cover covering around the driving pulley is fixed to the motor. Thus, an unusual noise occurring due to a sliding friction between the driving pulley and the belt can be prevented from dispersing to the outside, and slipping can be prevented from occurring due to water attached to a sliding part between the driving pulley and the belt.
Description
Technical field
The present invention relates to a kind of drive pulley of the motor that the swing roller of tumbling-box washing machine is driven and the structure of belt.
Background technology
In the past, the structure that drives as the swing roller to tumbling-box washing machine, for example TOHKEMY 2009-78056 communique (below, be denoted as " patent documentation 1 ") in a kind of following structure is disclosed, the drive pulley from the motor reel that is formed on the motor that is fixed in the bottom of gullet outside or the rotation of transmitting motor via belt to the driven pulley that directly links with swing roller from the drive pulley that is fixed on motor reel.
Below, use Fig. 4 that the structure of the described tumbling-box washing machine in the past of patent documentation 1 is described.Fig. 4 is the profilograph of tumbling-box washing machine in the past.
As shown in Figure 4, tumbling-box washing machine in the past has tank 32 in body of the washing machine 31 inside, is supported with swing roller 33 in the inner earth's axis of tank 32, and this swing roller 33 can be rotated in the forward around rotating shaft 35, reverse rotation etc. rotates freely.Periphery wall at swing roller 33 is provided with a plurality of apertures 41 that draining is used when dehydration is turned round, and is provided with a plurality of clothings at internal perisporium and stirs with projection bodies 36.The clothing stirring that is arranged on swing roller 33 is stirred clothing with projection body 36 be rotated in the forward, counter-rotate (for example 50rpm) by low speed in washing procedure, goes out moisture by single direction rotation (for example 1000rpm) centrifugation from clothing at a high speed in dehydration procedure.
In addition, be fixed with rotating shaft 35 in the right part of swing roller shown in Figure 4 33, be fixed with driven pulley 37 in the right part of rotating shaft 35.Bottom outside at tank 32 is provided with motor 20, is formed with a plurality of V grooves 43 (utilizing Fig. 5 aftermentioned) in the end of the motor reel 39 of motor 20.And, be linked with the belt 38 with a plurality of V shape grooves 42 (utilizing Fig. 5 aftermentioned) between the motor reel 39 of motor 20 and driven pulley 37.
In addition, be provided with control part 34 above body of the washing machine 31, this control part 34 embeds the microcomputer (not shown) etc. that receives input signal from switch (not shown) etc.The series of processes that control part 34 is used for controlling from the washing procedure to the dehydration procedure etc., and carry out the switching controls of the low speed rotation of motor 20 in washing procedure and the High Rotation Speed in dehydration procedure etc.
Below, the motor reel of the motor of use Fig. 5 explanation tumbling-box washing machine in the past and the structure of belt.Fig. 5 be illustrate (the B section of Fig. 4) near the motor reel of motor of tumbling-box washing machine in the past structure want section's enlarged drawing.
As shown in Figure 5, near the periphery the top ends of the motor reel 39 that is formed by the steel with intensity, rigidity is formed with a plurality of V grooves 43 with V shape groove 42 corresponding matching of belt 38.At this moment, the D outer diameter 2 with a plurality of V grooves 43 of motor reel 39 has formed V groove 43 with the mode of the diameter D1 of motor reel 39 roughly the same (comprising identical).Therefore, needn't utilize other members consist of drive pulleys etc. and be arranged on motor reel 39, can utilize the less motor reel of diameter 39 to realize the belt pulley of driving side.Its result, even the external diameter of driven pulley 37 is less, also can the increasing motor axle 39 with the speed reducing ratio (diameter of the diameter/motor reel 39 of driven pulley 37) of driven pulley 37.
As mentioned above, in the past tumbling-box washing machine is that the switching controls of the rotating speed by motor 20 is transmitted the structure of the rotation of motor 20 via belt 38 to swing roller 33 with a speed reducing ratio.Thus, in washing procedure, dehydration procedure, can be rotated the rotary actuation of cylinder 33.
But, in structure in the past, in order further to increase speed reducing ratio, must further reduce to become the external diameter of the motor reel 39 of motor side drive pulley.Its result, belt 38 further becomes at a high speed with the circumferential speed of the V groove 43 of motor reel 39.
Usually, belt 38 main bodys are made of the synthetic rubber with heat resistance, mar proof etc., have larger frictional force.Therefore, near the V groove 43 of the periphery the V shape groove 42 of belt 38 and the top ends that is arranged at motor reel 39 repeats close contact and disengaging with circumferential speed at a high speed.Its result has and has produced by at a high speed close contact and broken away from the slip sound that causes, bring the such problem of sense of discomfort as noise to the user in the washing running.
In addition, when supplying with the washings of low temperature to tank 32, sometimes contained moisture (steam) condenses (dewfall) at the outer wall of tank 32 grades in the air of body of the washing machine 31 inside, drips and is attached on the sliding part of 43 of V grooves of the V shape groove 42 of belt 38 and motor reel 39.At this moment, in the situation that the V shape groove 42 of belt 38 is lower with the circumferential speed of the V groove 43 of motor reel 39, even some attachment of moisture on sliding part, the rotary transfer force that also can subtend swing roller 33 transmit brings larger impact.But as past case, when the belt pulley of driving side was motor reel, because the diameter of motor reel is less, so circumferential speed accelerated, so produced slip (skidding) between the V groove 43 of the V of belt 38 shape groove 42 and motor reel 39.Therefore, the rotation that can not transmit motor 20 to swing roller 33 exactly.Its result, the performance that has in washing procedure, dehydration procedure reduces such problem.
Summary of the invention
Tumbling-box washing machine of the present invention has following structure: have: tank, and it is bearing in body of the washing machine; Swing roller, it is bearing in tank; Motor; Drive pulley, it is arranged on the motor shaft end of motor; Rotating shaft, the one end is fixed on swing roller; Driven pulley, it is fixedly installed on the other end of rotating shaft; Belt, it is used for transmitting to driven pulley the rotation of motor; And, be fixed with the bucker that the periphery with drive pulley covers on motor.
Thus, prevented that the noise that produces because of the sliding friction between drive pulley and belt from spreading.In addition, can prevent that adhering to the sliding part between drive pulley and belt " slip " that cause by the moisture on the outer wall that condenses in tank etc. produces.Its result can prevent that scourability in washing procedure, dehydration procedure, that caused by the change of the rotating speed of swing roller etc. from reducing.
Description of drawings
Fig. 1 is the profilograph of the tumbling-box washing machine in embodiments of the present invention.
Fig. 2 be (the A section of Fig. 1) near the motor reel of motor of this tumbling-box washing machine of explanation structure want section's enlarged drawing.
Fig. 3 is the 3-3 line profile from B direction observation shown in Figure 2 of this tumbling-box washing machine.
Fig. 4 is the profilograph of tumbling-box washing machine in the past.
Fig. 5 be illustrate (the B section of Fig. 4) near the motor reel of motor of tumbling-box washing machine in the past structure want section's enlarged drawing.
The specific embodiment
Below, illustrate referring to the drawings embodiments of the present invention.In addition, for the symbol identical with example was identical structure tag in the past and description thereof is omitted.In addition, the present invention is not limited by following embodiment.
Embodiment
Fig. 1 is the profilograph of the tumbling-box washing machine in embodiments of the present invention.
As shown in Figure 1, the tumbling-box washing machine of present embodiment has tank 32 in body of the washing machine 31 inside, is supported with swing roller 33 at tank 32 inner shafts, and this swing roller 33 can be rotated in the forward around rotating shaft 35, reverse rotation etc. rotates freely.The aperture 41 that draining is used when the periphery wall of swing roller 33 is provided with in a plurality of dehydration running is provided with a plurality of clothings at internal perisporium and stirs with projection body 36.The clothing stirring that is arranged on swing roller 33 is stirred clothing with projection body 36 be rotated in the forward, counter-rotate (for example 50rpm) by low speed in washing procedure, goes out moisture by single direction rotation (for example 1000rpm) centrifugation from clothing at a high speed in dehydration procedure.
In addition, swing roller 33 utilizes mechanism's rotary actuation shown below by the motor 20 of the bottom outside that is arranged at tank 32.At this moment, motor reel (not shown in Fig. 1) top ends at motor 20 is equipped with bucker 1.
Below, use Fig. 2 and Fig. 3 that near structure and the mechanism of motor reel of motor of the tumbling-box washing machine of present embodiment is described.
Fig. 2 be (the A section of Fig. 1) near the motor reel of motor of this tumbling-box washing machine of explanation structure want section's enlarged drawing.Fig. 3 is the 3-3 line profile from B direction observation shown in Figure 2 of this tumbling-box washing machine.
As shown in Figure 2, the tumbling-box washing machine of present embodiment is fixed with the drive pulley 2 with a plurality of V grooves 43 in the top ends of the motor reel 39 of motor 20, has hung belt 38 on these a plurality of V grooves 43.And, in the periphery of the drive pulley 2 that is fixed in motor reel 39, be provided with the bucker 1 on every side that covers drive pulley 2.Bucker 1 is such as being formed by plastic shaping member etc., for example forms cross sectional shape and is the drum of コ word shape (comprising コ word shape) roughly, is provided with peristome 3 in the position of passing through for belt 38.
In addition, bucker 1 has the calvus 4 of a plurality of for example L word shapes in motor 20 sides.And, in the aperture 8 of the header board 5 by calvus 4 being connected to motor 20, bucker 1 and motor are positioned.Further, the periphery of the cylindrical portion 1a of bucker 1 by motor 20 sides, be formed with a plurality of mount pads 6 with cylindrical portion 1a, such as utilizing Screw 7 screws such as grade to be fixed on the header board 5 of motor 20.
In addition, in the interior perimembranous of the cylindrical portion 1a of bucker 1, by embedding or bonding sound-absorbing materials 9 such as the felt that is made of nonwoven fabric etc., foaming body, porous plastid being installed.
In addition, on the right side of the コ of bucker 1 word shape (the right flank side shown in Fig. 2), be provided with the lateral opening 10 that is connected with the peristome 3 that passes through for belt 38.Via the lateral opening 10 that is arranged on bucker 1, can carry out belt 38 to the variation by tension force etc. of the installation that is fixed on the drive pulley 2 on motor reel 39, the sliding mode of V shape groove 42 and the V groove 43 of drive pulley 2 of observing belt 38 and belt 38 cause lax etc.
In addition, as shown in Figure 3, be provided with 2 peristomes 3 that supply belt 38 to pass through above bucker 1.Therefore, sound-absorbing material 9 be arranged on bucker 1 cylindrical portion 1a on the whole inner peripheral surface peristome 3 these two positions.
In addition, the upper side surface at the peristome 3 that passes through for belt 38 of bucker 1 is integrally formed with shaft of rib 11 along the bearing of trend equidirectional with motor reel 39.Thus, can prevent that moisture in condense on tank etc. (dewfall) is dropped on the upper surface 12 of bucker 1 and enter into the V shape groove 42 of belt 38 of bucker 1 inside from peristome 3 and the slipper of 43 of the V grooves of drive pulley 2.
As mentioned above, adopt the tumbling-box washing machine of present embodiment, can utilize 1 pair of bucker to carry out sound insulation (covering) because of the noises such as slip sound that the rotation of motor 20 produces on the sliding part of 2 of belt 38 and drive pulleys.Thus, can obviously reduce the noises such as slip sound that are sent to body of the washing machine 31 outsides.Its result can suppress the sense of discomfort of the user being brought by the noise in the washing machine running.
In addition, adopt the tumbling-box washing machine of present embodiment, by the interior perimembranous at bucker 1, sound-absorbing material 9 is installed, can absorb the noises such as slip sound, perhaps can prevent the echogenicity in bucker 1 inside.Its result obviously reduces to the outside noise that transmits of body of the washing machine 31.
In addition, adopt the tumbling-box washing machine of present embodiment, except the peristome 3 that passes through for belt 38, bucker 1 roughly in the whole sound-absorbing material 9 of installing on every side of perimembranous, thereby effectively absorbed the noises such as slip sound, and can suppress significantly the generation of echo etc.
In addition, adopt the tumbling-box washing machine of present embodiment, around the sliding part that the V shape groove 42 of belt 38 and the V groove of drive pulley 2 are 43, all covered by bucker 1 except peristome 3.Therefore, can reduce effectively that outer wall in tank 32 grades condenses (dewfall) and the moisture that drips enters sliding part.Thus, can prevent 43 generations of V groove " slip " of V shape groove 42 and the drive pulley 2 of belt 38.Its result can prevent that scourability in washing procedure, dehydration procedure, that caused by the change of the rotating speed of swing roller 33 etc. from reducing.
The present invention has following structure: have: tank, and it is bearing in body of the washing machine; Swing roller, it is bearing in tank; Motor, it is fixed on the bottom outside of tank; Drive pulley, it is arranged on the motor shaft end of motor; Rotating shaft, the one end is fixed on swing roller; Driven pulley, it is fixedly installed on the other end of rotating shaft; Belt, it is used for transmitting to driven pulley the rotation of motor; And be fixed with the bucker that the periphery with drive pulley covers on motor.Thus, can prevent from spreading to the outside because of the noise that the sliding friction between drive pulley and belt produces, and can prevent from being adhered to the sliding part between drive pulley and belt by moisture " slip " that causes.
In addition, the present invention has the structure that sound-absorbing material has been installed in the interior perimembranous of bucker.Thus, effectively absorb the noise that produces because of the sliding friction between drive pulley and belt, can reduce significantly noise to the diffusion of outside.
In addition, the present invention has the structure that sound-absorbing material is arranged on the part except the peristome that passes through for belt on every side of drive pulley.Thus, can effectively absorb the noise that the sliding friction because of drive pulley and belt produces.
In addition, sound-absorbing material of the present invention is felt.Thus, the noise with respect to the sliding friction because of drive pulley and belt produces can obtain higher assimilation effect.
In an embodiment, as an example, motor is arranged on outside bottom of gullet, and still, the setting position of motor is not limited to be located at outside bottom of gullet, also can be located at other position, for example the top of tank.
Claims (6)
1. a tumbling-box washing machine, is characterized in that, this tumbling-box washing machine has:
Tank, it is bearing in body of the washing machine;
Swing roller, it is bearing in above-mentioned tank;
Motor;
Drive pulley, it is arranged on the motor shaft end of above-mentioned motor;
Rotating shaft, one end are fixed on above-mentioned swing roller;
Driven pulley, it is fixedly installed on the other end of above-mentioned rotating shaft;
Belt, it is used for transmitting to above-mentioned driven pulley the rotation of above-mentioned motor;
Be fixed with the bucker that the periphery with above-mentioned drive pulley covers on above-mentioned motor.
2. tumbling-box washing machine according to claim 1, wherein,
Interior perimembranous at above-mentioned bucker is equipped with sound-absorbing material.
3. tumbling-box washing machine according to claim 2, wherein,
Above-mentioned sound-absorbing material is arranged on the part except the peristome that passes through for above-mentioned belt on every side of above-mentioned drive pulley.
4. according to claim 2 or 3 described tumbling-box washing machines, wherein,
Above-mentioned sound-absorbing material is felt.
5. tumbling-box washing machine according to claim 1, wherein,
Above-mentioned motor is fixed on the bottom outside of above-mentioned tank.
6. tumbling-box washing machine according to claim 1, wherein,
Upper side surface at the peristome that passes through for belt of above-mentioned bucker is provided with shaft of rib along the bearing of trend equidirectional with above-mentioned motor reel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010235327A JP2012085838A (en) | 2010-10-20 | 2010-10-20 | Drum-type washer |
| JP2010-235327 | 2010-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102454088A CN102454088A (en) | 2012-05-16 |
| CN102454088B true CN102454088B (en) | 2013-06-19 |
Family
ID=44785721
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103178572A Active CN102454088B (en) | 2010-10-20 | 2011-10-18 | Drum-type washing machine |
| CN2011203980658U Expired - Lifetime CN202359391U (en) | 2010-10-20 | 2011-10-18 | Tumbling-box washing machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203980658U Expired - Lifetime CN202359391U (en) | 2010-10-20 | 2011-10-18 | Tumbling-box washing machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2444540A1 (en) |
| JP (1) | JP2012085838A (en) |
| CN (2) | CN102454088B (en) |
| TW (1) | TWI448599B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012085838A (en) * | 2010-10-20 | 2012-05-10 | Panasonic Corp | Drum-type washer |
| CN105375678A (en) * | 2015-10-13 | 2016-03-02 | 佛山市威灵洗涤电机制造有限公司 | Motor assembly used for washing machine and washing machine provided with motor assembly |
| CN112642595B (en) * | 2020-12-04 | 2022-10-14 | 成都高分离心机有限公司 | Feed pipe structure, processing technology and horizontal screw centrifuge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187621Y (en) * | 1992-08-29 | 1995-01-18 | 李增树 | Stain-proof double-cylinder washing machine |
| EP1878825A1 (en) * | 2006-07-13 | 2008-01-16 | IAR-SILTAL S.p.A. | Washing and/or drying machine for domestic use |
| CN101397746A (en) * | 2007-09-27 | 2009-04-01 | 松下电器产业株式会社 | Drum-type washer |
| CN202359391U (en) * | 2010-10-20 | 2012-08-01 | 松下电器产业株式会社 | Tumbling-box washing machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT326956B (en) * | 1972-11-10 | 1976-01-12 | List Hans | COMBUSTION MACHINE WITH SOUND INSULATED V-BELT PULLEY |
| JPS5812638U (en) * | 1981-07-17 | 1983-01-26 | 日産自動車株式会社 | Crank pulley sound insulation device |
| JPS61204062U (en) * | 1985-01-15 | 1986-12-22 | ||
| JPS61265191A (en) * | 1985-05-20 | 1986-11-22 | 松下電器産業株式会社 | Washing machine |
| JP2693275B2 (en) * | 1991-02-12 | 1997-12-24 | シャープ株式会社 | Drum type washer / dryer |
| JPH06300121A (en) * | 1993-04-16 | 1994-10-28 | Brother Ind Ltd | Noise suppressing cover for belt transmission device |
| JP2011167222A (en) * | 2010-02-16 | 2011-09-01 | Panasonic Corp | Washing machine |
-
2010
- 2010-10-20 JP JP2010235327A patent/JP2012085838A/en active Pending
-
2011
- 2011-09-26 TW TW100134575A patent/TWI448599B/en not_active IP Right Cessation
- 2011-10-17 EP EP11185406A patent/EP2444540A1/en not_active Withdrawn
- 2011-10-18 CN CN2011103178572A patent/CN102454088B/en active Active
- 2011-10-18 CN CN2011203980658U patent/CN202359391U/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187621Y (en) * | 1992-08-29 | 1995-01-18 | 李增树 | Stain-proof double-cylinder washing machine |
| EP1878825A1 (en) * | 2006-07-13 | 2008-01-16 | IAR-SILTAL S.p.A. | Washing and/or drying machine for domestic use |
| CN101397746A (en) * | 2007-09-27 | 2009-04-01 | 松下电器产业株式会社 | Drum-type washer |
| CN202359391U (en) * | 2010-10-20 | 2012-08-01 | 松下电器产业株式会社 | Tumbling-box washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201217597A (en) | 2012-05-01 |
| TWI448599B (en) | 2014-08-11 |
| CN202359391U (en) | 2012-08-01 |
| EP2444540A1 (en) | 2012-04-25 |
| CN102454088A (en) | 2012-05-16 |
| JP2012085838A (en) | 2012-05-10 |
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