CN102439213B - Laundry machine - Google Patents

Laundry machine Download PDF

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Publication number
CN102439213B
CN102439213B CN200980155503.3A CN200980155503A CN102439213B CN 102439213 B CN102439213 B CN 102439213B CN 200980155503 A CN200980155503 A CN 200980155503A CN 102439213 B CN102439213 B CN 102439213B
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CN
China
Prior art keywords
bracket
steel ladle
cylinder
washing machine
bearing housing
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.)
Active
Application number
CN200980155503.3A
Other languages
Chinese (zh)
Other versions
CN102439213A (en
Inventor
林熙泰
金守峯
曹珉奎
权翼根
宋正泰
李东一
文硕胤
金相勋
徐贤锡
金荣锡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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Filing date
Publication date
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Publication of CN102439213A publication Critical patent/CN102439213A/en
Application granted granted Critical
Publication of CN102439213B publication Critical patent/CN102439213B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02Rotary receptacles, e.g. drums
    • D06F37/04Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26Casings; Tubs
    • D06F37/265Counterweights mounted to the tub; Mountings therefor
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12Casings; Tubs
    • D06F39/125Supporting arrangements for the casing, e.g. rollers or legs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/28Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/32Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Vibration Prevention Devices (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)

Abstract

A laundry machine is disclosed. The overall weight of the vibrating system provided in the laundry machine according to the exemplary embodiment of the present invention may be reduced and the vibration of the drum may be stabilized by new means for adding weights. In addition, the front of the drum may be prevented from falling downward because of the introduction of laundry.

Description

Washing machine
Technical field
The present invention relates to a kind of washing machine.
Typically, washing machine is categorized as rinsing maching and dryer.Rinsing maching wherein comprises impeller-type rinsing maching, drum-type washing machine and has the rinsing maching of washing and clothes drying function.Dryer wherein refers to and utilizes hot-air etc. to be dried the electrical equipment through the object (referring to clothing at this) of washing.
Background technology
Above-mentioned rinsing maching, particularly drum-type washing machine comprise that level is arranged in the steel ladle in rinsing maching and is arranged in the cylinder in steel ladle.Washing object (being referred to as below clothing) is placed in cylinder, and clothing rolls along with the rotation of cylinder to wash together.
At this, steel ladle is used for accommodating washings, and in cylinder, only places clothing to be washed.
Cylinder is placed in steel ladle rotationally.
Rear surface at cylinder is connected with axle, and this is coupling and is subject to the rotatory force from predetermined motor.Therefore, revolution, is sent to cylinder by its rotatory force, and this rotatory force can make cylinder rotate.
Cylinder rotates during rinsing and drying and dehydrating circulation and wash cycle, and cylinder can vibrate during it rotates.
Axle is projected into outside steel ladle through the rear surface of steel ladle.Traditional rinsing maching comprises the bearing housing embedding in the rear surface that is molded in steel ladle, or is fixed to the bearing housing of steel ladle back wall surface.
Above-mentioned bearing housing back shaft, and the vibration of cylinder is passed to steel ladle and bearing housing via this axle.
Therefore, steel ladle vibrates together with cylinder, and vibration reduction support material is connected to steel ladle to weaken this vibration.
Traditional rinsing maching comprises a plurality of counterweight parts that are attached to steel ladle, and these counterweight parts comprise the barycenter (mass center) of the oscillating component of steel ladle and cylinder for balance.Conventionally, these counterweight parts are attached to the front portion of steel ladle.
Summary of the invention
Technical problem
The invention provides a kind of washing machine that is different from conventional washer aspect counterweight.
Especially, according to washing machine of the present invention, can comprise counter weight device, this counter weight device is had and is compared different total force weight (overall gravity weight) position from traditional washing machine by the structure of expansion counterweight part.With respect to counterweight part, change the vibration that position or structure can stable vibration systems.
Technical scheme
According to the washing machine of an embodiment, can comprise: steel ladle, accommodating water in steel ladle; Be placed in rotationally the cylinder of steel ladle; The driven unit that comprises motor; And for increasing the device of the quality of vibrational system, in this scheme, cylinder is vibrational system.
Motor is located along identical axial (longitudinally) of axle at interval with total barycenter of device and the center of cylinder.Driven unit can comprise and is connected to the axle of motor, the bearing housing of back shaft and the motor of turning cylinder rotationally.
Washing machine also comprises the suspension unit for reducing cylinder vibration.At this, motor can directly or indirectly be connected with axle.
Washing machine can comprise the device for increasing the quality of vibrational system, and its intermediate roll is vibrating object.
Said apparatus can be single counterweight part or a plurality of counterweight part.
Total barycenter of device can longitudinally be opened towards the Center Gap of motor and cylinder.That is, the gross mass of device and motor can be with respect to the same side that is centered close to of cylinder.
The center of cylinder can be the center of gravity of cylinder, or can be the center of the longitudinal length of cylinder.
In the situation that the place ahead of cylinder is provided with door and motor is arranged on cylinder rear, total barycenter of device can be positioned at the rear, center of cylinder.
Total barycenter can be positioned at the rear of cylinder or steel ladle.
The center of cylinder can be the longitudinal center of cylinder.That is, this center longitudinally (or axial rotary) be in the mid point of cylinder.
At least one counterweight part of device can be attached on the bracket being included in suspension unit, or is integrated with this carrier configuration.
Suspension unit can comprise radially bracket or axially bracket.
Radially bracket can be from bearing housing with respect to axle towards the bracket radially extending.Axially bracket can be towards axially extended bracket from bearing housing.
At least one counterweight part of device can be placed in bearing housing.For example, bearing housing and at least one counterweight part can be configured to one, or at least one counterweight part can be attached to bearing housing.
In washing machine, steel ladle can be supported regularly, or for example suspension unit is supported by flexible support structure.
In addition, steel ladle also can be supported on the transition intermediateness between fixed support and flexible support.
That is, steel ladle can be supported flexibly by suspension unit, or is supported rigidly.For example, steel ladle can be supported by the part that suspends, or supported by rubber bushing, the support of this rubber bushing is compared with the support of the part that suspends, can provide still less flexible motion, or steel ladle also can be supported regularly by being fixed to correct position via screw thread etc.
In addition, will provide below and compare when supported by suspension unit, the situation that steel ladle is supported more rigidly.
First, steel ladle can be integrally formed with casing.
Secondly, steel ladle can be by carrying out fastening and supported via screw thread, notch, rubber bushing etc.In addition, steel ladle can weld or bond to casing.In this case, supporting member or clamp structure have the rigidity larger than suspension unit with respect to the principal direction of cylinder vibration.
Steel ladle can be extended in inside arranges the limit in space of this steel ladle.; steel ladle can expand for example, until the circumferential surface of steel ladle (arrives (or almost arriving) sidewall or body side frame; the left and right plate of casing) till; the at least edge of above-mentioned sidewall or the body side frame restricted quarter is the size of (when rotating shaft horizontal positioned, this direction is axial perpendicular to rotating shaft along side direction) laterally.Steel ladle can be integrally formed with the lateral sidewalls of casing.
Steel ladle can form compares edge laterally more near wall or framework with cylinder.For example, the interval between steel ladle and wall or framework can be less than 1.5 times of interval of itself and cylinder.In the situation that steel ladle edge laterally increases, cylinder also can be along horizontal increase.In addition,, if the lateral separation between steel ladle and cylinder reduces, cylinder can be along laterally proportionally expansion.In the situation that the lateral separation between steel ladle and cylinder reduces, can consider that cylinder is along horizontal vibration.The expanded in diameter of cylinder is larger, and cylinder is more weak along horizontal vibration.Therefore, can will be designed in order to reduce the suspension unit of cylinder vibration: suspension unit is greater than suspension unit along the rigidity of other directions along horizontal rigidity.For example, suspension unit can be designed to: suspension unit is maximum along the rigid phase ratio of other direction opposing displacements with suspension unit along the rigidity of laterally opposing displacement.
In addition, suspension unit can be directly connected to the bearing housing of supporting revolving shaft.That is, bearing housing comprises the extension that extend the He Cong support portion, support portion of back shaft rotationally, and suspension unit is attached to the support portion of bearing housing or the extension of bearing housing.
Suspension unit can comprise the bracket extending vertically.In front-loading washing machine, bracket can extend forward, towards door, extends.
Suspension unit can comprise at least two parts that suspend, and these two parts that suspend are turned up the soil and arranged along the axial each interval of axle.
Suspension unit can comprise and is placed in axle below to carry out the part that suspends of vertical type support.Supported objects (for example cylinder) supports with stand-alone by the part that suspends.
Selectively, suspension unit can comprise and is placed in axle top to carry out the part that suspends of suspension type support.In this case, supported objects is draped formula and supports.
The barycenter of vibrating object (for example combination of cylinder, axle, bearing housing and motor) can be with respect to that side that is provided with motor that is centered close to of the longitudinal length of cylinder.In front-loading washing machine, barycenter can be positioned at the rear of the longitudinal center of cylinder.In this case, at least one part that suspends can be placed in the place ahead or the rear of barycenter.The part that suspends can be placed in the place ahead of barycenter, and another part that suspends can be placed in the rear of barycenter.
The rear portion of steel ladle can be provided with opening.Driven unit can be connected to steel ladle by flexible member.Flexible member can form sealing between steel ladle and driven unit, to prevent that the opening that water passes through steel ladle rear portion from leaking, and allows driven unit to move with respect to steel ladle.Flexible member is made by the flexible material that can seal, for example, by the gasket materials that is similar to front packing ring, made.In this case, for simplicity, this flexible member can be described as rear packing ring.After restriction, packing ring is at least along under the condition of the rotation of the direction of rotation of rotating shaft, and rear packing ring can be connected to driven unit.In one embodiment, flexible material can be directly connected to axle.In another embodiment, flexible material can be connected to a part for bearing housing.
In addition the part that, driven unit is radially arranged in rear bead interior thereby is probably exposed to the water of steel ladle may be made in can be by aqueous corrosion.For example, can apply this part of driven unit, or this part of using steel ladle back (tub back) that the insulating element be made of plastics for example hereinafter will illustrate to surround driven unit.In the situation that this part of driven unit is made of metal, by applying or by isolation plastic member, can making this part directly not be exposed to water, therefore can prevent that this part from corroding.
In addition, casing is not necessary.For example, in embedded washing machine (built-in laundry machine), do not have the washing machine of casing can be arranged in the space of wall construction.Yet, even in this case, also may the pattern of wants front panel of front surface of washing machine.
Beneficial effect
The present invention has following beneficial effect:
According to exemplary embodiment of the present invention, can reduce the gross weight that is arranged on the vibrational system in washing machine, and can stablize by the new device for increasing weight the vibration of cylinder.The front portion that in addition, can prevent cylinder sinks because introducing clothing.
Accompanying drawing explanation
Within accompanying drawing is included in the application and as the application's a part, for a further understanding of the present invention is provided.Shown in the drawings of embodiments of the invention, and be used from and explain principle of the present invention with description one.
In figure:
Fig. 1 is that part shows the stereogram according to washing machine of the present invention;
Fig. 2 shows the schematic diagram of exemplary embodiment of the present;
Fig. 3 shows the schematic diagram of the radially bracket of the washing machine shown in Fig. 2;
Fig. 4 shows the schematic diagram of the other embodiment of the present invention; And
Fig. 5 shows the schematic diagram of other embodiment of the present invention.
The specific embodiment
Fig. 1 shows according to the partial perspective view of the washing machine of exemplary embodiment of the present invention.
Washing machine comprises steel ladle, and steel ladle fixed support is to casing.This steel ladle comprises the steel ladle anterior 100 that limits steel ladle front portion and the steel ladle rear portion 120 that limits steel ladle rear portion.
Steel ladle anterior 100 and steel ladle rear portion 120 can be assembled by screw element, and form predetermined space with accommodating cylinder in the inside of the assembly at steel ladle anterior 100 and steel ladle rear portion 120.Steel ladle rear portion 120 is included in the opening that its rear portion forms, and this opening is connected to the rear packing ring 250 as flexible member.The inside diameter of rear packing ring 250 can be connected to steel ladle back 130.At 130 center, steel ladle back, be formed with through hole, axle is by this through hole.Rear packing ring 250 has enough flexibilities, thereby the vibration at steel ladle back 130 can be delivered to steel ladle rear portion 120.
Rear packing ring 250 is connected with steel ladle rear portion 120 hermetically with steel ladle back 130, can not leak the washings that are placed in cylinder like this.When cylinder rotates, steel ladle back 130 vibrates together with cylinder, and the enough preset distances in this steel ladle back 130 and 120 intervals, steel ladle rear portion, to avoid interfering (interference) with steel ladle rear portion 120.Because rear packing ring 250 is out of shape flexibly, so allow steel ladle back 130 relatively move and do not interfere with steel ladle rear portion 120.Rear packing ring 250 can comprise bending or pleated portions 252, and this bending or pleated portions may extend to is enough to allow this predetermined length relatively moving.
Steel ladle comprises introducing opening; This introducing opening is formed on steel ladle front portion, in order to introduce clothing.Front packing ring 200 can be arranged on the position of introducing opening that is formed with of steel ladle front portion, to avoid clothing or foreign matter to be drawn between steel ladle and cylinder, or avoids washings to leak towards introducing opening, or carries out other functions.
Cylinder comprises cylinder front portion 300, cylinder middle part 320, cylinder rear portion 340.Front and rear at cylinder is separately installed with ball balancer (ball balancer) separately.Cylinder rear portion 340 is connected to spider 350, and this spider 350 is connected to axle 351.At this, cylinder rotates in steel ladle by the rotatory force of being transmitted by axle 351.
Axle 351 is connected to motor through steel ladle back 130.According to this embodiment, motor is connected to this axle in concentric circles mode.Also, according to this embodiment, motor, specifically the rotor of motor is directly connected to axle 351.Bearing housing 400 is fixed to the rear surface 128 at steel ladle back 130.Bearing housing 400 is arranged between motor and steel ladle back 130, and bearing housing 400 back shaft 351 rotationally.
Stator 80 is fixed to bearing housing 400, and rotor arranges around stator 80.As previously mentioned, rotor is directly connected to axle 351.At this, motor is external rotor type motor, and is directly connected to axle 351.
Via suspension unit, the pedestal 600 by casing supports bearing housing 400.Suspension unit can comprise a plurality of brackets that are connected to bearing housing, and suspension unit can comprise a plurality of parts that suspend that are connected to a plurality of brackets.
According to this embodiment, the part that suspends can comprise three vertical suspend part and two inclinations of tilting to install with respect to the front/rear direction part that suspends.Suspension unit is connected to casing pedestal 600, and also revocable but flexible, and flexibility is to being enough to allow cylinder to move along front/rear direction and left/right direction.Also, suspension unit is supported by casing pedestal 600, thereby and has enough flexibilities and allow the rotation of being scheduled to along front/rear and left/right direction with respect to supported position.For this flexible support, the part that suspends of vertically installing can be arranged on pedestal 600 by rubber bushing.In the part that suspends of vertically installing, predetermined part that suspends is configured to delay flexibly the vibration of cylinder, and other parts that suspend that tilt to install can be configured to reduce vibration.Also, in comprising the vibrometer (vibrometer) of spring and vibration absorber, vertically install as spring, and tilt to install as vibration absorber.
Steel ladle is fixed to casing, and the vibration of cylinder is slowed down by suspension unit.The front and rear of steel ladle can be fixed to casing; And steel ladle is supported regularly by casing pedestal, or be fixed to casing pedestal.
According to the washing machine of this embodiment, comprise the supporting construction of steel ladle and the supporting construction of cylinder, the supporting construction of steel ladle and the supporting construction of cylinder are essentially independent.In addition, washing machine has steel ladle non-vibrating structure during cylinder vibration.At this, the vibratory output that is delivered to cylinder can change according to rear packing ring.
Because the vibration of steel ladle in washing machine according to the present invention is very little, therefore no longer need because of vibration retaining space, and therefore the outer surface of steel ladle can be positioned as close to casing.This size of steel ladle can be expanded and the size of casing without expansion, and can be in the situation that identical external dimensions increases the capacity of washing machine.
Substantially, according to this embodiment of the invention, the distance in washing machine between casing right part 630 or casing left part 640 and steel ladle can be only 5mm.Under contrast, in traditional washing machine, in order to prevent that the vibration of steel ladle from interfering with casing, above-mentioned distance is made as 300mm.Consider the diameter of steel ladle, according to the washing machine of this embodiment, compare with conventional washer and the diameter of steel ladle can be lengthened to 500mm.For can increase the capacity of washing machine under same external dimensions condition for, this is significant difference with settling at one go.
According to this embodiment, counterweight part is arranged in suspension unit, and this technical characterictic is different from the technical characterictic that counterweight part in conventional washer is arranged in steel ladle.
Counterweight part can be integrally formed with the predetermined parts of suspension unit, or can be fixed to suspension unit.For example, counterweight part can be integrally formed or be fixed to bracket with the bracket being included in suspension unit.Bracket can be the parts for bearing housing is connected with the part that suspends.Bearing housing and one of the part that suspends can be with respect to axle axially spaced radially and along axle.Thus, bracket can comprise radially bracket and axially bracket, and radially bracket is towards radially extending, and axially bracket is towards extending axially.
Fig. 2 and Fig. 3 show the schematic diagram with the integrally formed counterweight part of radially bracket of suspension unit.
As shown in Figure 2, suspension unit comprises the first radially bracket the 430, first axial bracket 450 and the second axial bracket 440 of bracket 431 and second radially, and suspension unit is fixed to pedestal 600.
Suspension unit can comprise the part and for the front/rear front/rear part that suspends suspending of vertically suspending for vertically suspending.The single part that vertically suspends can be placed in rear portion, and two parts that vertically suspend can be placed in respectively the anterior relative both sides with respect to pedestal center.In addition, two parts that suspend can be along front/rear direction from left side and right side slant setting.
As shown in Figure 2, suspension unit comprises the first suspend part 520, second suspend part 510, the 3rd suspend part 500, the first vibration-damped component 540 and the second vibration-damped component 530.
The part that suspends is configured with cylinder and piston; Cylinder and piston connect by the spring being arranged between them.The length that is configured with the part that suspends of cylinder and piston can stably change during suspending.This part that suspends can be configured to also have effectiveness in vibration suppression.That is, the part that suspends can be made by spring cushion (spring damper).
The first vibration-damped component 540 and the second vibration-damped component 530 can be made by simple shock absorber, but they are not limited to this.The first vibration-damped component and the second vibration-damped component can be made by spring cushion.
First part 520 that suspends is connected between the first axial bracket 450 and pedestal 600.Second part that suspends is connected between the second axial bracket 440 and pedestal 600.
The 3rd part 500 that suspends is directly connected between bearing housing 400 and pedestal.
The part that suspends is vertically to install, and the first vibration-damped component and the second vibration-damped component tilt to install along front/rear direction.
The 3rd rear-mounted center of part that suspends, and first part and second part that suspends that suspends is installed respectively fore left side and right side.The first vibration-damped component and the second vibration-damped component are arranged on respectively the 3rd suspend part and first, second and suspend between part, and two sides is symmetrical.
The part that suspends is connected to pedestal by rubber bushing.
Fig. 3 is the schematic diagram that counterweight part is more specifically shown.First radially bracket 431 be connected to the left part of bearing housing 400, second radially bracket 430 be connected to the right part of bearing housing 400.First radially bracket 431 and second radially bracket 430 with respect to being axially mutually symmetrical.
First radially bracket 431 and second radially bracket 430 form counterweight part, and form the bracket that the first axial bracket 450 and the second axial bracket 440 is connected respectively to bearing housing 400.
First radially bracket 431 and second radially bracket 430 with respect to axle 351 towards radially extending, and first radially bracket and second radially bracket towards the place ahead, extend.Top at each above-mentioned counterweight part is formed with connecting pore, each counterweight part is attached to corresponding counterweight attachment.On the top of each counterweight part, be formed with four connecting pores.
Being radially formed with respectively locating slot 431b and 430b on bracket 431 and 430, for being inserted into bearing housing.
First radially bracket 431 and second radially in bracket 430, be formed with respectively bracket connecting portion 431c and 430c, for being connected to the first axial bracket and the second axial bracket.Bracket connecting portion is than other part weights of counterweight part.The barycenter of counterweight part is lower, and vibrational system is more stable.
This first radially bracket 431 and second radially bracket 430 by casting, be fabricated from iron.
With reference to Fig. 3, first radially bracket 431 and second radially bracket 430 comprise the first attachment 431d and the second attachment 430d; The first attachment 431d and the second attachment 430d are formed at the first bracket 431 and second top of bracket 430 radially radially, in order to be connected with bearing housing 400.Attachment 431d, 430d pass through respectively coupling compoonent fixed connection to the first extension 406a and the second extension 406b.At this, when the first attachment 431d and the second attachment 430d are attached to the first extension 406a of bearing housing 400 and the second extension 406b, the angle between the first attachment 431d and the second attachment 430d keeps identical with the angle between the first extension 406a and the second extension 406b.For carrying out this kind of connection, in attachment 431d, 430d, be formed with connecting pore, and connecting pore 431d, 430d comprise that four connecting pores are to guarantee to connect rigidity separately.
First radially bracket 431 and second radially bracket 430 comprise pars intermedia 431e, 430e, pars intermedia 431e, 430e extend from the first attachment 431d and the second attachment 430d respectively.Pars intermedia 431e is between the first attachment 431d and bracket connecting portion 431c, and pars intermedia 430e is between the second attachment 430d and bracket connecting portion 430c.
The rear wall of pars intermedia 431e and 430e and steel ladle is spaced apart preset distance backward, and this preset distance is enough to prevent due to the vibration of cylinder, interfere with this rear wall when washer operation.At this, the rear wall of steel ladle refers to the rear surface being connected with rear packing ring by steel ladle back.Also, in the central authorities of the rear wall of steel ladle, be formed with the through hole that diameter is greater than steel ladle back diameter, and the inner peripheral surface of rear wall is connected with the outer circumference surface at steel ladle back by rear packing ring.
Bracket connecting portion 431c and 430c extend forward from pars intermedia 431e and 430e.Bracket connecting portion 431c and 430c are with respect to the outside that is radially positioned at the external peripheral surface of steel ladle.Bracket attachment 431c and 430c may interfere with the rear wall of steel ladle.Yet these bracket connecting elementss extend forward in order to be connected with 450 with bracket 440, therefore, the possibility that the circumferential surface with steel ladle one side can be interfered is manufactured these bracket connecting elementss within considering.
Pars intermedia 431e and 430e court radially extend, and keep the angle identical with the angle of the first attachment 430d and the second attachment 431d simultaneously, and pars intermedia 431e and 430e are bent downwardly to engage with bracket connecting portion 431c and 430c.
Radially the barycenter of bracket is compared with the barycenter of the combination (being hereinafter referred to as drum assembly) of cylinder, spider, axle, bearing housing, motor etc., can be located opposite from rear portion.Once clothing is introduced cylinder, the displacement that just may rotate, the front end of its intermediate roll sinks.Therefore, advantageously, the barycenter of each counterweight part is positioned at the rear of the barycenter of cylinder, so that downward displacement seldom occurs the front end of cylinder.
The quality of each counterweight part is 3kg.If counterweight part is too heavy, the 3rd displacement meeting that suspends part increases, thereby only causes that the rear portion of cylinder sinks.
Fig. 4 is the schematic diagram that another embodiment of the present invention is shown.According to this embodiment, counterweight part is arranged on radially on bracket 1430 and 1431.The first counterweight part 1431a be attached to first radially bracket 1431, the second counterweight part 1430a be attached to the second bracket 1430 radially.
In this case, first radially bracket 1431 and second radially bracket 1430 can by compacting (pressing) make.
The position of the center of gravity of the first counterweight part 1431a and the second counterweight part 1430a (gravity center) in opening along front/rear direction (or longitudinally) and the Center Gap of cylinder.In addition, above-mentioned center of gravity can be positioned at the rear of cylinder or steel ladle.
At this, barycenter has been considered the center (hereinafter, being referred to as total centre of gravity) of the first counterweight part 1431a and the second counterweight part 1430a.According to this embodiment, the first counterweight part 1431a and the second counterweight part 1430a are with respect to axial symmetry.Therefore, total barycenter of the barycenter of each counterweight part and a plurality of counterweight parts is with respect to being axially positioned at equal position.
Although not shown, counterweight part can be also axial bracket.In this case, counterweight part can be integrally formed or be attached to axial bracket with axial bracket.In addition, counterweight part can lay respectively in the first axial bracket 450 and the second axial bracket 440, and with respect to axial symmetry.
According to above-described embodiment, in the situation that bracket and counterweight part are integrally formed, bracket can be made by casting.Due to metal, particularly iron is relatively heavier, and bracket and counterweight part can be made by casting.Tie Tong often can be categorized as Armco iron (Armco), the pig iron, steel based on carbon content.
Fig. 5 is the schematic diagram that other embodiment are shown.
According to this embodiment, counterweight part 1000 can be set in bearing housing 400.At this, counterweight part 1000 can be fabricated to heavier than bearing housing 400.
Bearing housing 400 can by nonferrous metal for example aluminium make, and counterweight part 1000 can be fabricated from iron.And bearing housing 400 can be made by sheet metal by compacting.
Although not shown, according to an embodiment more of the present invention, counterweight part can be integrally formed with bearing housing.In this case, can make bearing housing self heavier.For example, the bearing housing being fabricated from iron by casting is used as to counterweight part.
Industrial applicibility
The present invention has industrial applicibility.According to exemplary embodiment of the present invention, the gross weight of the vibrational system of washing machine can be relatively light.Above-mentioned new-type counter weight device can be stablized the vibration of cylinder.In addition, the anterior sinking displacement of cylinder can be reduced in predetermined degree.

Claims (13)

1. a washing machine, comprising:
Casing;
Steel ladle, is fixed to this casing, accommodating water in this steel ladle;
Cylinder, is placed in this steel ladle rotationally;
Driven unit, comprises being connected to the axle of described cylinder, supporting the bearing housing of this axle and rotate the motor of this axle rotationally;
Suspension unit, is attached to described bearing housing, for reducing the vibration of described cylinder, and separate with described steel ladle, and described suspension unit comprises a plurality of parts that suspend that are attached to the bracket of described bearing housing and support to described bracket and described driven unit; And
For increasing described driven unit with support any quality in the described suspension unit of described cylinder with the device of the vibration that reduces to be produced by described cylinder, wherein, total barycenter of described device and described motor are along identical axially the opening with the Center Gap of described cylinder of described axle, wherein, described device comprises at least one counterweight part that is attached to described bracket.
2. washing machine as claimed in claim 1, wherein, described bracket comprises radially bracket or axially bracket, wherein, bracket radially described in described device is attached to.
3. washing machine as claimed in claim 1, wherein, described bracket is fabricated from iron by casting.
4. washing machine as claimed in claim 1, wherein, described device comprises the connecting piece of bracket, the gross mass of the connecting piece of described bracket is greater than the quality of described bearing housing.
5. washing machine as claimed in claim 4, wherein, the connecting piece of described bracket is to be included in radially bracket in described suspension unit or the axial connecting piece of bracket.
6. washing machine as claimed in claim 1, wherein, total barycenter of described device is between the center of described cylinder and the end of described motor.
7. washing machine as claimed in claim 1, wherein, total barycenter of described device is spaced apart with described cylinder or described steel ladle in the axial direction.
8. washing machine as claimed in claim 7, wherein said washing machine also comprises and is positioned at its front portion to cut out and to open the door of the open front of described steel ladle, and total barycenter of described device is positioned at the rear of described cylinder or described steel ladle.
9. washing machine as claimed in claim 1, wherein, total barycenter of described device is positioned at the below of described axle.
10. washing machine as claimed in claim 1, wherein, described device comprises the connecting piece of counterweight part, described counterweight part is with respect to axially toward each other.
11. washing machines as claimed in claim 10, wherein, the heavy 2.5-3.5kg of counterweight part described in each.
12. washing machines as claimed in claim 1, also comprise flexible material, to prevent that the water in described steel ladle from leaking towards described driven unit, and allow described driven unit to move with respect to described steel ladle.
13. washing machines as claimed in claim 1, wherein, and compare by the supported described cylinder of described suspension unit, and described steel ladle is supported by more rigid.
CN200980155503.3A 2008-12-31 2009-12-30 Laundry machine Active CN102439213B (en)

Applications Claiming Priority (9)

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KR20080137736 2008-12-31
KR10-2008-0137736 2008-12-31
KR10-2009-0047192 2009-05-28
KR20090047192 2009-05-28
KR10-2009-0079950 2009-08-27
KR20090079950 2009-08-27
PCT/KR2009/007960 WO2010077090A2 (en) 2008-12-31 2009-12-30 Laundry machine
KR10-2009-0134032 2009-12-30
KR1020090134032A KR20100080464A (en) 2008-12-31 2009-12-30 Laundry machine

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CN113699734A (en) * 2021-10-11 2021-11-26 珠海格力电器股份有限公司 Drum washing machine without outer drum

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MX2011007093A (en) 2011-09-15
AU2009334060A1 (en) 2011-07-28
KR20100080464A (en) 2010-07-08
WO2010077090A3 (en) 2011-11-17
BRPI0923840A2 (en) 2015-07-21
WO2010077090A2 (en) 2010-07-08
CA2748824A1 (en) 2010-07-08
CN102439213A (en) 2012-05-02
AU2009334060B2 (en) 2013-08-29
CA2748824C (en) 2014-01-28
US20120006067A1 (en) 2012-01-12
EP2387636A4 (en) 2014-04-09
EP2387636A2 (en) 2011-11-23
RU2011132074A (en) 2013-02-10

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