CN106481724A - Adjustable damping suspension rod for rotary drum washing machine and the rotary drum washing machine with it - Google Patents
Adjustable damping suspension rod for rotary drum washing machine and the rotary drum washing machine with it Download PDFInfo
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- CN106481724A CN106481724A CN201510554493.8A CN201510554493A CN106481724A CN 106481724 A CN106481724 A CN 106481724A CN 201510554493 A CN201510554493 A CN 201510554493A CN 106481724 A CN106481724 A CN 106481724A
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- Prior art keywords
- suspension rod
- rotary drum
- washing machine
- drum washing
- adjustable damping
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- 238000005406 washing Methods 0.000 title claims abstract description 112
- 239000000725 suspension Substances 0.000 title claims abstract description 100
- 238000013016 damping Methods 0.000 title claims abstract description 80
- 230000005291 magnetic effect Effects 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009966 trimming Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
-
- 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
- D06F37/24—Mountings, 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 vertical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/54—Arrangements for attachment
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention provides a kind of adjustable damping suspension rod for rotary drum washing machine and the rotary drum washing machine with it.This adjustable damping suspension rod includes：Cylinder body, the cavity for containing magnetic flow liquid is defined in it, being provided with cavity can be along the reciprocating piston of the axial direction of cavity, piston is provided with and can produce the coil in magnetic field and the fluid course axially through piston in energising, changes the mobility of magnetic flow liquid in fluid course with the size by changing electric current in coil.The bottom of elongated suspension rod is fixedly connected with the piston from the upper end of cylinder body insertion cylinder body, and its top is provided with top mounting seat, and adjustable damping suspension rod is hung on the flap seat of the casing of rotary drum washing machine.Cylinder body upper end is formed with upwardly extending location division, is matched with the cushion socket of the washing outer tube with rotary drum washing machine, so that washing outer tube is hung under gravity on adjustable damping suspension rod.Adjustable damping suspension rod of the present invention is particularly well-suited to rotary drum washing machine.
Description
Technical field
The present invention relates to cushion technique field, more particularly to a kind of adjustable damping suspension rod for rotary drum washing machine
And there is its rotary drum washing machine.
Background technology
It is known that washing machine is in the course of the work, due to unbalance loading and the centrifugal action of washing articles, keep away
Vibration unavoidably can be produced.The damping device that current rotary drum washing machine is general to be adopted be connect washer cabinet,
The adjustable damping suspension rod of washing outer tube, mainly passes through the up and down motion shape of the friction parts on adjustable damping suspension rod
Becoming sliding friction, producing frictional force thus playing cushioning effect.No matter the shortcoming of this structure is washings
How much, the frictional force obtaining almost constant it is impossible to realize change and the adjustment of damping.
Magnetic flow liquid is a kind of intellectual material of many uses, function admirable.When no magnetic field around, magnetic current
Become liquid and show good liquid fluidity；When around there is high-intensity magnetic field, magnetic flow liquid is then at short notice
Viscosity increases sharply, and shows the morphological character of solid；And this change is reversible, that is, work as surrounding
When returning to no under magnetic field state, magnetic flow liquid returns to the state of original liquid flowing.Due to it
There is such special nature, so all comprising magnetic flow liquid in many amortisseurs in prior art.
In prior art, the amortisseur based on magnetic flow liquid (abbreviation MR vibration damper), generally includes and contains
There are the cylinder body of magnetic flow liquid, the piston being arranged in cylinder body, and one end is fixedly connected with the piston, the other end
Extend to the piston rod outside cylinder body, wherein, setting coil and fluid course on piston, by changing coil
The size of middle electric current changes the mobility of magnetic flow liquid in fluid course, thus changing the size of damping.
MR vibration damper can play the effect of damping adjusting by changing the size of the electric current providing coil.
Therefore, it has very gratifying application prospect in cushion technique field.At present, existing washing machine producer will
MR vibration damper is applied to roller washing machine.
Content of the invention
For rotary drum washing machine, due to its own structure, its vibration source is generally in washing outer tube
Bottom, in order to simultaneously work as supporting and cushioning effect, amortisseur need to be obliquely installed, and its one end is arranged on impeller
The top of washer cabinet, its other end is arranged on the bottom (close to bottom) of its washing outer tube, therefore requires
The length of amortisseur is longer, and this kind of amortisseur generally has the form of suspension rod.
For the MR vibration damper with aforementioned structure, if applying it in rotary drum washing machine, need relatively
How to extend the length of its piston rod, in the form of making it have suspension rod.However, those skilled in the art are led to
Often think, if piston rod is oversize, after increasing magnetic field and make the viscosity of magnetic flow liquid become big, piston rod past
The resistance being subject to that moves again will become greatly, easily make piston rod that deflection deformation occurs, or even bend.Therefore,
The form that MR vibration damper is not made suspension rod by those skilled in the art is used in rotary drum washing machine, thus
Lead in prior art, still not be applied to the MR vibration damper of rotary drum washing machine.
Present inventor has creatively manufactured the MR vibration damper with Brace allocation, and invents
People finds can have when the MR vibration damper of Brace allocation is applied in rotary drum washing machine through many experiments
The more preferable damping effect than existing suspension rod antivibrator.And by rotary drum washing machine being washed with the load-bearing of outer tube and shaking
Width carry out research find, the MR vibration damper of Brace allocation when being applied in rotary drum washing machine, generally not
Need to apply larger magnetic field so that the viscosity of magnetic flow liquid becomes very big, thus not making piston rod in motion
Shi Fasheng bends.In addition, the capacity for current rotary drum washing machine and rotating speed, piston rod is not easy to occur
Deflection deformation.
Thus, a purpose of first aspect present invention be provide a kind of be applied to rotary drum washing machine based on magnetic
The adjustable damping suspension rod of rheology liquid.
One of first aspect present invention further objective is that to provide a kind of have preferable damping effect
Adjustable damping suspension rod.
One purpose of second aspect present invention is to provide for a kind of rotary drum washing machine of good damping effect.
According to the first aspect of the invention, there is provided a kind of adjustable damping suspension rod for rotary drum washing machine, including：
Cylinder body, defines the cavity for containing magnetic flow liquid, being provided with described cavity can be along cavity in it
The reciprocating piston of axial direction, described piston be provided with can energising when produce magnetic field coil and
Axially through the fluid course of described piston, changed described with the size by changing electric current in described coil
The mobility of magnetic flow liquid in fluid course；With
Elongated suspension rod, fixing with described piston in described cylinder body company is inserted from the upper end of described cylinder body in its bottom
Connect, its top is provided with top mounting seat, described adjustable damping suspension rod is hung in described rotary drum washing machine
The flap seat of casing on,
Wherein said cylinder body upper end is formed with upwardly extending location division, with the washing with described rotary drum washing machine
The cushion socket of outer tube matches so that described washing outer tube hang under gravity described can resistance trimming
On Buddhist nun's suspension rod.
Alternatively, the described adjustable damping suspension rod for rotary drum washing machine, also includes：
Spring, it is arranged in described cylinder body, and is sheathed on described elongated suspension rod above described piston.
Alternatively, described piston is fixedly connected with the bottom of described elongated suspension rod.
Alternatively, described piston outer periphery is arranged with O-ring, so that the magnetic flow liquid of described piston side only may be used
Flow to the opposite side of described piston via described fluid course.
Alternatively, described piston is made up of ferromagnetic material, described coil wound on the inside of described piston, and
Described fluid course is arranged on the piston outside described coil.
Alternatively, it is provided with wire casing in described elongated suspension rod and described piston, to arrange to described coil power supply
Wire, described wire casing extends to the top of described elongated suspension rod from described piston.
Alternatively, described cylinder body includes jacket casing, and it is upper in order to be sealed against to be located at described jacket casing upper and lower ends
End cap and bottom end cover, described location division is formed on described upper end cover；
The center of described upper end cover has through hole, to allow described elongated suspension rod to pass through and can be with respect on described
End cap in axial direction moves back and forth.
Alternatively, described jacket casing has the turn-up portion of the formation that extends radially outwardly respectively from its upper and lower edges at two ends；
Described upper end cover and described bottom end cover include baseplate part and extend towards described jacket casing from described baseplate part
Lobe, the lobe of described upper end cover and described bottom end cover stretches into institute from the upper and lower ends of described jacket casing respectively
State in jacket casing, and the periphery of the baseplate part of described upper end cover and described bottom end cover respectively upper and lower with described jacket casing two
The turn-up portion at end abuts；
Wherein said location division extends upward from the baseplate part of described upper end cover.
Alternatively, it is provided with sealing ring between described elongated suspension rod and described upper end cover；And described jacket casing and institute
State and be provided with sealing ring between upper end cover and described bottom end cover, to ensure described cylinder body sealing.
According to the second aspect of the invention, there is provided a kind of rotary drum washing machine, including：
Multiple as front arbitrary described adjustable damping suspension rod for rotary drum washing machine；
Casing, its top is distributed with the flap seat of multiple top mounting seat cooperations with described adjustable damping suspension rod；
And
Washing outer tube, is arranged in described casing, its underpart perisporium is distributed with multiple and described adjustable damping and hangs
The cushion socket of the location division cooperation of bar, wherein
The top mounting seat of multiple described adjustable damping suspension rods and location division are hung with the multiple of described casing respectively
Seat is connected with multiple cushion sockets of described washing outer tube, and described washing outer tube is hung in described casing.
The present invention is used for the adjustable damping suspension rod of rotary drum washing machine, and structure is simple.When coil no power, it
Surrounding will not produce magnetic field, so magnetic flow liquid is just presented in fluidised form；When the coil is energized, it
Surrounding be full of magnetic field, so magnetic flow liquid mobility be deteriorated.The present invention can turning according to washing outer tube
The form to reach required magnetic flow liquid for the suitable electric current of fast isocline circle input, to control adjustable damping to hang
The damping of bar.
Further, the present invention is used for the adjustable damping suspension rod of rotary drum washing machine, is applied in rotary drum washing machine
When, bending will not occur it is ensured that rotary drum washing machine has preferable damping effect.Can be reduced by suitable
The intensity in magnetic field makes piston rod avoid deflection deformation, to have longer service life, is particularly well-suited to
Rotary drum washing machine.
Further, the present invention can strengthen damping effect by setting spring in adjustable damping suspension rod, from
And the requirement to magnetic flow liquid viscosity can be reduced.So can have full in the case of the intensity reducing magnetic field
The damping effect that foot needs, thus can avoid further deflection deformation.
Further, the present invention arranges turn-up portion in jacket casing upper and lower ends, and upper end cover and bottom end cover are arranged
It is the lobe stretch out including baseplate part and from baseplate part, its lobe is respectively from the upper and lower ends of jacket casing
Stretch in jacket casing, and the periphery of baseplate part is abutted with the turn-up portion of jacket casing upper and lower ends respectively.By so setting
Put it is ensured that cylinder body sealing, prevent the impact to upper and lower end cap during moving up and down for the piston from leading to cylinder
Body sealing property is affected.
Rotary drum washing machine of the present invention, due to arranging adjustable damping suspension rod, can work in different negative in rotary drum washing machine
In the case of load, provide different viscous damping power, thus can achieve that rotary drum washing machine is dehydrated in heavy load starting
When slow-speed of revolution resonance region vibration, can decay rapidly in the case of big damping；And it is light in the high speed dewatering stage
During load, in the case of little damping, the vibration of washing outer tube is produced and effectively isolate, be unlikely to make vibration pass
Being delivered in rotary drum washing machine casing, thus reducing the amplitude of casing, reaching guarantee rotary drum washing machine various
Whole dehydration even running under load.
According to the detailed description to the specific embodiment of the invention below in conjunction with accompanying drawing, those skilled in the art will
More understand above-mentioned and other purposes, the advantages and features of the present invention.
Brief description
Describe in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter the present invention some are concrete
Embodiment.In accompanying drawing, identical reference denotes same or similar part or part.Art technology
Personnel are it should be understood that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the perspective schematic view of adjustable damping suspension rod according to an embodiment of the invention；
Fig. 2 is the schematic partial enlarged view of adjustable damping suspension rod shown in Fig. 1；
Fig. 3 is the perspective schematic view of rotary drum washing machine according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the perspective schematic view of adjustable damping suspension rod 10 according to an embodiment of the invention.As Fig. 1
Shown, adjustable damping suspension rod 10 according to embodiments of the present invention generally comprises elongated suspension rod 1 and cylinder body 2.
The cavity for containing magnetic flow liquid is defined in cylinder body 2.Being provided with cavity can be along the axial direction of cavity
The reciprocating piston in direction 3.The bottom of elongated suspension rod 1 is inserted in cylinder body 2 from the upper end of cylinder body 2.Live
Plug 3 is fixedly connected in cavity with elongated suspension rod 1.Further, piston 3 can be with the bottom of elongated suspension rod 1
End is fixedly connected.Piston 3 is provided with and can produce the coil 32 in magnetic field in energising and axially through work
The fluid course 31 of plug 3.I.e. the magnetic flow liquid of piston 3 side can flow to piston 3 via fluid course 31
Opposite side, thus being connected by the space that fluid course 31 makes piston both sides about 3.When piston 3 exists
When moving upwards in cylinder body 2, the magnetic flow liquid in cavity from up to down flows via fluid course 31；When
When piston 3 moves downward in cylinder body 2, the magnetic flow liquid in cavity is bottom-up via fluid course 31
Flowing.When coil 32 is energized, magnetic field can produced about, in fluid course 31, magnetic flow liquid is subject to
After the action of a magnetic field, its viscosity can change.Liquid can be changed by changing the size of electric current in coil 32
The mobility of magnetic flow liquid in circulation road 31, thus change damping size during piston 3 motion.
Piston 3 can be made up of ferromagnetic material, and coil 32 is wound on the inside of piston 3.Can be in piston 3
So that coil 32 is wound on the inside of piston 3, fluid course 31 may be provided at outside ring cavity portion's setting ring cavity.
Fluid course 31 section vertically can be C-shaped.
Magnetic flow liquid can be full of, when washing outer tube vibration, elongated suspension rod 1 can carry piston 3 in cylinder body 2
In axial direction move back and forth with respect to cylinder body 2.Specifically, when piston 3 is bottom-up with elongated suspension rod 1
During motion, because piston 3 superjacent air space constantly reduces, the magnetic flow liquid of top will be via fluid course 31
Flow to below piston 3.Piston 3 periphery is arranged with O-ring 33, in case stop bit is in the magnetic of piston 3 side
Rheology liquid flows to opposite side via piston 3 periphery.That is, piston 3 is with the reciprocating mistake of elongated suspension rod 1
Cheng Zhong, magnetic flow liquid only can flow to opposite side via fluid course 31 from the side of piston 3.
The top of elongated suspension rod 1 is provided with top mounting seat 6, and adjustable damping suspension rod 10 is hung in impeller
On the flap seat of the cabinet top of washing machine.Cylinder body 2 upper end is formed with upwardly extending location division 223, with
The cushion socket of the washing outer tube of rotary drum washing machine matches, so that washing outer tube is hung under gravity
On adjustable damping suspension rod 10.Top mounting seat 6 can be set in the top of elongated suspension rod 1.Top is installed
The structure of seat 6 can be similar with the upper ball base of prior art middle hanger；The structure of location division 223 can be with existing skill
The lower ball base of art middle hanger is similar to.Wherein have straight with diameter greater than elongated suspension rod 1 on flap seat and cushion socket
The through hole in footpath, elongated suspension rod 1 passes through flap seat and cushion socket, and makes top mounting seat 6 and location division 223
Be located at the outside of flap seat and cushion socket respectively, thus under the action of gravity of washing outer tube respectively with flap seat and subtracting
Shake seat laminating.
It is provided with the wire casing 34 of the wire to coil 32 power supply for arrangement in elongated suspension rod 1 and piston 3,
Wire casing 34 extends to the top of elongated suspension rod 1 from piston 3.Wire can be via top mounting seat 6 and power supply
Connect.For the adjustable damping suspension rod 10 of the embodiment of the present invention, when coil 32 no power, around it
Magnetic field will not be produced, so magnetic flow liquid is just presented in fluidised form；When coil 32 is energized, it
Surrounding is full of magnetic field, so the mobility of magnetic flow liquid is deteriorated.Specifically, when electric current becomes big, coil 32
Magnetic become big, the mobility of magnetic flow liquid reduces, and damping force increases；When electric current becomes hour, coil 32
Magnetic diminish, the mobility of magnetic flow liquid strengthens, and damping force reduces.Can be according to the rotating speed of washing outer tube
Isocline circle 32 inputs suitable electric current to reach the form of required magnetic flow liquid, thus control can resistance trimming
The damping of Buddhist nun's suspension rod 10.
In a further embodiment, adjustable damping suspension rod 10 also includes spring 4, is used for further functioning as and subtracts
The effect of shake.Generally, the cylinder body 2 of adjustable damping suspension rod 10 is located at below cushion socket, and cushion socket is usual
It is arranged on washing outer tube close to the position of bottom, because rotary drum washing machine bottom generally arranges that some are electrically first
Part, if the position that adjustable damping suspension rod 10 is located at below cushion socket is long, easily touches these electricity
Gas element, thus cause fault.
Therefore, in a preferred embodiment of the invention, spring 4 is arranged in cylinder body 2, and square set on piston 3
On elongated suspension rod 1.Applicant of the present invention finds through experiment, and spring 4 is arranged at magnetic flow liquid
In, magnetic flow liquid both will not be made to affect the damping performance of spring 4, spring 4 does not have to magnetic flow liquid yet simultaneously
Harmful effect.When elongated suspension rod 1 moves in cylinder body 2 upwards, spring 4 shortens；When elongated suspension rod 1
When moving downward in cylinder body 2, spring 4 extends.When by adjustable damping suspension rod according to embodiments of the present invention
After 10 are arranged on rotary drum washing machine, the washing outer tube of the location division of cylinder body 2 upper end 223 and rotary drum washing machine
Cushion socket match, adjustable damping suspension rod 10 by cylinder body 2 bear washing outer tube weight (may include
Inner barrel of washing and its weight of undergarment), and the spring 4 in cylinder body 2 is then compressed by the weight washing outer tube.
In certain embodiments, cylinder body 2 includes jacket casing 21, and be located at jacket casing 21 upper and lower ends in order to by its
The upper end cover 22 of sealing and bottom end cover 23, location division 223 is formed on upper end cover 22.Upper end cover 22
Center has through hole, with allow elongated suspension rod 1 pass through and can be in axial direction reciprocal with respect to upper end cover 22
Motion.It is provided with sealing ring 7 between elongated suspension rod 1 and upper end cover 22, and jacket casing 21 and upper end cover 22
It is provided with sealing ring and bottom end cover 23 between, to ensure that cylinder body 2 seals.
In a further embodiment, jacket casing 21 can have and radially outward prolong from its upper and lower edges at two ends respectively
Stretch the turn-up portion 211 of formation.Upper end cover 22 and bottom end cover 23 include baseplate part 221,231 and respectively from base
The lobe 222,232 that plate portion 221,231 extends towards jacket casing 21.The i.e. lobe 222 of upper end cover 22
Extend down from baseplate part 221, and the lobe 232 of bottom end cover 23 extends upward from baseplate part 231.
Location division 223 extends upward from the baseplate part 221 of upper end cover 22.Upper end cover 22 and bottom end cover 23 convex
Play portion 222,232 to stretch in jacket casing 21 from the upper and lower ends of jacket casing 21 respectively, and upper end cover 22 and lower end
The periphery of the baseplate part 221,231 of lid 23 is abutted with the turn-up portion 211 of jacket casing 21 upper and lower ends respectively.
From the above description of the structure to adjustable damping suspension rod 10 of the present invention, the adjustable damping of the present invention hangs
Bar 10 is particularly suitable for applications in rotary drum washing machine, by the washing outer tube of rotary drum washing machine with suspension status
It is supported in its casing.Thus, present invention also offers a kind of rotary drum washing machine.
Fig. 3 is the schematic diagram of rotary drum washing machine 100 according to an embodiment of the invention.As Fig. 3
Shown, rotary drum washing machine 100 according to embodiments of the present invention include multiple as front any embodiment can resistance trimming
Buddhist nun's suspension rod 10, casing 110, inner barrel of washing 130 and washing outer tube 120.Inner barrel of washing 130 is rotatable
Be arranged at washing outer tube 120 in.The top of casing 110 is distributed with multiple and adjustable damping suspension rod 10
The flap seat 111 of top mounting seat 6 cooperation.Washing outer tube 120 is arranged in casing 110, its underpart perisporium
The cushion socket 121 of multiple location divisions 223 with adjustable damping suspension rod 10 cooperation, multiple adjustable dampings are distributed with
The top mounting seat 6 of suspension rod 10 and location division 223 multiple flap seats 111 and the washing with casing 110 respectively
Multiple cushion sockets 121 of outer tube 120 are connected, and washing outer tube 120 is hung in casing 110.
Specifically, flap seat 111 and cushion socket 121 have leading to diameter greater than elongated suspension rod 1 diameter
Hole, elongated suspension rod 1 passes through flap seat 111 and cushion socket 121, and makes top mounting seat 6 and location division 223
It is located at the outside of flap seat 111 and cushion socket 121 respectively, thus dividing under the action of gravity of washing outer tube 120
Do not fit with flap seat 111 and cushion socket 121.
In a preferred embodiment, the washing drum that inner barrel of washing 130 is formed with washing outer tube 120 relies on 4
Individual adjustable damping suspension rod 10 hangs up, and neighboring tunable damps the angle of suspension rod 10 projection in the horizontal direction
For 90 degree.I.e. 4 adjustable damping suspension rods 10, along washing outer tube 120 even circumferential radial distribution, make 4
Adjustable damping suspension rod 10 uniform stressed.
The motor 150 of rotary drum washing machine 100 is arranged on the lower section of washing outer tube 120.The driving of motor 150
Axle is passed through washing outer tube 120 and is connected with inner barrel of washing 130, and inner barrel of washing 130 can be driven to rotate.Adjustable
Damping suspension rod 10 can control, according to the tach signal of motor 150 feedback, the size of current that coil 32 is provided,
So that it produces the damping force of coupling.Thus, the strong and weak change using the power on coil 32 magnetic changes magnetic current
Become the mobility of liquid thus playing the purpose of real-time adjustment damping.
So far, although those skilled in the art will appreciate that detailed herein illustrate and describe the present invention's
Multiple exemplary embodiments, but, without departing from the spirit and scope of the present invention, still can be according to this
Disclosure of invention directly determines or derives other variations or modifications of many meeting the principle of the invention.Cause
This, the scope of the present invention is it is understood that and regard as covering other variations or modifications all these.
Claims (10)
1. a kind of adjustable damping suspension rod for rotary drum washing machine, including：
Cylinder body, defines the cavity for containing magnetic flow liquid, being provided with described cavity can be along cavity in it
The reciprocating piston of axial direction, described piston be provided with can energising when produce magnetic field coil and
Axially through the fluid course of described piston, changed described with the size by changing electric current in described coil
The mobility of magnetic flow liquid in fluid course；With
Elongated suspension rod, is inserted in described cylinder body from the upper end of described cylinder body and is fixedly connected with described piston, its top
End is provided with top mounting seat, by the hanging of described adjustable damping suspension rod described rotary drum washing machine casing
On flap seat,
Wherein said cylinder body upper end is formed with upwardly extending location division, with the washing with described rotary drum washing machine
The cushion socket of outer tube matches so that described washing outer tube hang under gravity described can resistance trimming
On Buddhist nun's suspension rod.
2. the adjustable damping suspension rod for rotary drum washing machine according to claim 1, also includes：
Spring, it is arranged in described cylinder body, and is sheathed on described elongated suspension rod above described piston.
3. the adjustable damping suspension rod for rotary drum washing machine according to claim 1, wherein
Described piston is fixedly connected with the bottom of described elongated suspension rod.
4. the adjustable damping suspension rod for rotary drum washing machine according to claim 1, wherein
Described piston outer periphery is arranged with O-ring, so that the magnetic flow liquid of described piston side only can be via described
Fluid course flows to the opposite side of described piston.
5. the adjustable damping suspension rod for rotary drum washing machine according to claim 1, wherein
Described piston is made up of ferromagnetic material, and described coil is wound on the inside of described piston, and described liquor stream
Passage is arranged on the piston outside described coil.
6. the adjustable damping suspension rod for rotary drum washing machine according to claim 1, wherein
It is provided with wire casing in described elongated suspension rod and described piston, to arrange the wire to described coil power supply,
Described wire casing extends to the top of described elongated suspension rod from described piston.
7. the adjustable damping suspension rod for rotary drum washing machine according to claim 1, wherein
Described cylinder body includes jacket casing, and be located at described jacket casing upper and lower ends in order to the upper end cover that is sealed against and under
End cap, described location division is formed on described upper end cover；
The center of described upper end cover has through hole, to allow described elongated suspension rod to pass through and can be with respect on described
End cap in axial direction moves back and forth.
8. the adjustable damping suspension rod for rotary drum washing machine according to claim 7, wherein
Described jacket casing has the turn-up portion of the formation that extends radially outwardly respectively from its upper and lower edges at two ends；
Described upper end cover and described bottom end cover include baseplate part and extend towards described jacket casing from described baseplate part
Lobe, the lobe of described upper end cover and described bottom end cover stretches into institute from the upper and lower ends of described jacket casing respectively
State in jacket casing, and the periphery of the baseplate part of described upper end cover and described bottom end cover respectively upper and lower with described jacket casing two
The turn-up portion at end abuts；
Wherein said location division extends upward from the baseplate part of described upper end cover.
9. the adjustable damping suspension rod for rotary drum washing machine according to claim 7, wherein
It is provided with sealing ring between described elongated suspension rod and described upper end cover；And described jacket casing and described upper end cover
It is provided with sealing ring and described bottom end cover between, to ensure described cylinder body sealing.
10. a kind of rotary drum washing machine, including：
Multiple adjustable damping suspension rods being used for rotary drum washing machine as claimed in any one of claims 1-9 wherein；
Casing, its top is distributed with the flap seat of multiple top mounting seat cooperations with described adjustable damping suspension rod；
And
Washing outer tube, is arranged in described casing, its underpart perisporium is distributed with multiple and described adjustable damping and hangs
The cushion socket of the location division cooperation of bar, wherein
The top mounting seat of multiple described adjustable damping suspension rods and location division are hung with the multiple of described casing respectively
Seat is connected with multiple cushion sockets of described washing outer tube, and described washing outer tube is hung in described casing.
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| CN201510554493.8A CN106481724B (en) | 2015-09-01 | 2015-09-01 | Adjustable damping suspension rod for pulsator washing machine and pulsator washing machine with adjustable damping suspension rod |
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| CN201510554493.8A CN106481724B (en) | 2015-09-01 | 2015-09-01 | Adjustable damping suspension rod for pulsator washing machine and pulsator washing machine with adjustable damping suspension rod |
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| CN106481724A true CN106481724A (en) | 2017-03-08 |
| CN106481724B CN106481724B (en) | 2020-02-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017177917A1 (en) * | 2016-04-15 | 2017-10-19 | 青岛海尔洗衣机有限公司 | Variable-damping electromagnetic suspension rod assembly and washing machine |
| CN108547911A (en) * | 2018-06-13 | 2018-09-18 | 北京邮电大学 | A kind of intelligence shock waveform generator |
| WO2018177102A1 (en) * | 2017-03-27 | 2018-10-04 | 青岛海尔洗衣机有限公司 | Vibration damper and laundry machine comprising same |
| CN110952266A (en) * | 2018-09-27 | 2020-04-03 | 无锡小天鹅电器有限公司 | Washing machine and damping device thereof |
| CN111235823A (en) * | 2020-01-16 | 2020-06-05 | 长虹美菱股份有限公司 | Active dehydration control method based on magnetorheological damper |
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| CN111235823A (en) * | 2020-01-16 | 2020-06-05 | 长虹美菱股份有限公司 | Active dehydration control method based on magnetorheological damper |
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| CN106481724B (en) | 2020-02-14 |
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Effective date of registration: 20201104 Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. |