CN109385829A - Damper and device for clothing processing including the damper - Google Patents
Damper and device for clothing processing including the damper Download PDFInfo
- Publication number
- CN109385829A CN109385829A CN201710693926.7A CN201710693926A CN109385829A CN 109385829 A CN109385829 A CN 109385829A CN 201710693926 A CN201710693926 A CN 201710693926A CN 109385829 A CN109385829 A CN 109385829A
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- China
- Prior art keywords
- plunger
- damper
- chamber
- liquid capsule
- pressure ring
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
- D06F37/22—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 horizontal axis
- D06F37/225—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets
Abstract
The present invention relates to washing machine technology fields, and in particular to a kind of damper and the washing machine including the damper.Present invention seek to address that the problems such as damping force of damper in the prior art is immutable, effectiveness in vibration suppression is poor.For this purpose, damper of the invention includes: sleeve, the sleeve has first chamber；Plunger, the plunger have second chamber, and the plunger is slidably inserted into the first chamber；The damper further includes liquid capsule and packaging part, the liquid capsule is set in the first chamber, the open end of the liquid capsule is fixedly connected by the packaging part with the first end of the plunger, wherein fluid is filled in the inner cavity of the liquid capsule and/or the second chamber.By the setting of liquid capsule and packaging part, high-precision flowing of the fluid in liquid capsule between first chamber and second chamber is realized, thus ensure that the damping force of damper generation of the invention can be changed at any time and stability is high, it can large-scale promotion use.
Description
Technical field
The present invention relates to clothing processing technology fields, and in particular to a kind of damper and the clothing processing including the damper
Device.
Background technique
Washing machine is the clean type electric appliance that clothing is washed using electric energy, and with the quickening pace of modern life and people are to life
The raising that comfort level living requires, washing machine have become essential household electrical appliance in people's daily life.But washing machine
Apparent vibration and noise can be generated in washing, rinsing and dehydration, to the normal life of people bring it is a little not
Just.
Solve the problems, such as washing machine work when vibration and noise it is excessive on, the invention of Publication No. CN105986407A is special
Benefit application discloses a kind of " damper and washing machine, dryer ".Wherein, damper includes sleeve and the first column open at one end
Plug, one end of the first plunger are fixing end, and the other end is inserted into sleeve from the opening of sleeve, and can slide along sleeve, the first column
The friction plate with the first plunger frictional fit is provided between plug and sleeve；Sleeve is equipped with elastic component and is connected with elastic component
And can relative sleeve Frictional Slipping the second Frictional Slipping device, and move past predetermined position when the first plunger relative sleeve
Afterwards, the first plunger and the second Frictional Slipping device abut against simultaneously compression elastic piece.The damper mainly passes through the first plunger and is covering
Carry out the frictional force of friction generation in cylinder in reciprocatory movement with friction plate and in the first plunger more than predetermined position pusher
The frictional force and elastic force that dynamic second Frictional Slipping device compression elastic piece generates, realize the purpose for reducing vibration of washing machine.But
It is, when the first plunger moves back and forth in sleeve, only to do compression movement in the first plunger relative sleeve and be more than pre-determined bit
When setting, the elastic force that the frictional force and elastic component that the second Frictional Slipping device generates generate can just be intervened, and predetermined being less than
When position and the first plunger relative sleeve do extensional motion, the frictional force of generation is constant power, with the amplitude of washing machine without
It closes.Therefore, the damping force for reducing vibration which generates cannot all be covered according to first piston is opposite at any time
Cylinder movement travel increase and adjust, effectiveness in vibration suppression remains to be further improved.
In addition, the damper of this setup is after used a period of time, frictional force can be due to friction plate and second
The abrasion of Frictional Slipping device and reduce, and then damper gradually fails, cause the noise of washing machine and vibrate it is increasing, into
And influence the usage experience of user.
Correspondingly, this field needs a kind of new damper to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, in order to solve the vibration damping effect of existing damper during the work time
The problems such as fruit is poor and the abrasion of drag ring is easy to cause defective shock absorber, the present invention provides a kind of damper, the dampers
It include: sleeve, the sleeve has first chamber；Plunger, the plunger have second chamber, and the plunger is with slidable side
Formula is inserted into the first chamber；The damper further includes liquid capsule and packaging part, and the liquid capsule is set to the first chamber
In, the open end of the liquid capsule is fixedly connected by the packaging part with the first end of the plunger, wherein the liquid capsule it is interior
Fluid is filled in chamber and/or the second chamber.
By the setting of packaging part, the open end of liquid capsule is enable to be firmly secured to the first end of plunger, and flowed
During body flows between liquid capsule and second chamber, it ensure that fluid is not revealed in the open end of liquid capsule.
In the optimal technical scheme of above-mentioned damper, throttling element, the part of the throttling element are provided in the liquid capsule
It is inserted into the second chamber, the throttling element is equipped with several damping holes, and a part in several described damping holes is with described
The sliding of plunger, which is in, opens/closes state, the first chamber and the second chamber by described in the open state
Damping hole communicates with each other.
Throttling element is configured by the setting of liquid capsule and in liquid capsule, being moved to the left in plunger makes first chamber generate positive pressure
When, it is gradually decreased for being connected to the quantity of damping hole of liquid capsule and second chamber, so that enabling flow through damping hole enters
Difficulty in two chambers is increasing, and fuel-displaced damping force is higher and higher, and the difficulty for eliminating liquid capsule positive pressure is increasing, thus column
It is also bigger to fill in the damping force being subject to.When plunger, which moves right, makes first chamber generate negative pressure, for being connected to liquid capsule and the second chamber
The quantity of the damping hole of room gradually increases, so that it is increasing to enable flow through the difficulty that damping hole enters in liquid capsule, it is fuel-displaced
Damping force it is higher and higher, eliminate liquid capsule negative pressure difficulty it is increasing, so that the damping force that plunger is subject to is also bigger.Therefore,
In damper of the invention, as stroke of the plunger in sleeve increases, fuel-displaced damping force is stepped up, the damping of damper
Power is also increasing, so that the vibration and noise device for significantly reducing washing machine generates.That is, the vibration of washing machine
Bigger, stroke of the plunger in sleeve is i.e. bigger, and fuel-displaced damping force will improve, and the damping force that damper provides at this time is got over
Greatly, so that the vibration and noise device for significantly reducing washing machine generates, and then the performance of damper is optimized.
In the optimal technical scheme of above-mentioned damper, the throttling element includes pedestal and is integrally formed with the pedestal
Or the pipe structure being fixedly connected, the pedestal are set to the one end of the liquid capsule far from the plunger, one of the pipe structure
Divide insertion the second chamber.
In the optimal technical scheme of above-mentioned damper, several described damping holes along the pipe structure it is axial uniformly or
Person is unevenly set to the outer wall of the pipe structure, and the axis of the damping hole and the axis of the pipe structure have angle.
By the setting of pedestal, throttling element is set reliably, to be steadily in first chamber, so that plunger and section
The opposite sliding flowed between part is more smoothly and stable.
In the optimal technical scheme of above-mentioned damper, elastic component is provided between the throttling element and two chamber.
In the optimal technical scheme of above-mentioned damper, the packaging part is pressure ring, the of the pressure ring and the plunger
One end is fixedly connected, and the open end of the liquid capsule is clamped between the pressure ring and the first end of the plunger.
In the optimal technical scheme of above-mentioned damper, the first end of the plunger is provided with annular frustum, the liquid capsule
Open end be clamped in the annular cone cell gap between the pressure ring and the annular frustum.
In the optimal technical scheme of above-mentioned damper, the first end of the plunger is provided with first annular boss, described
The open end of liquid capsule includes axial clamping section and radial clamping section, and the axial clamping section is clamped in the pressure ring and institute
It states in the axial annular gap between first annular boss, the radial clamping section is clamped in the pressure ring and the plunger
In radial ringed gap between the end face of first end.
In the optimal technical scheme of above-mentioned damper, the second convex annular is extended in the end face of the first end of the plunger
Platform, second annular convex platform, the pressure ring and the plunger first end end face between form the radial ringed gap.
By the cooperation of pressure ring and plunger, the reliable sealing of the open end of liquid capsule is realized, and passes through pressure ring and plunger
Between be fixedly connected, ensure that sealing will not due to pressure ring dislocation or disengagement and fail, that is, further ensure sealing
Validity.
The present invention also provides a kind of device for clothing processing, which includes shell and is set to the shell
In cylindric washer, the cylindric washer is supported in the shell by multiple dampers, and at least one of described damper is
Damper described in any one of aforementioned scheme.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, damper includes having the
The sleeve of one chamber and plunger equipped with second chamber, plunger are slidably inserted into first chamber；First chamber
In be provided with liquid capsule, the open end of liquid capsule is fixedly connected with plunger by pressure ring, is filled in the inner cavity of liquid capsule and/or second chamber
There is fluid.Throttling element is additionally provided in liquid capsule, throttling element includes bottom plate and pipe structure, and pipe structure is inserted into second chamber.Pipe structure
Equipped with several damping holes, a part in several damping holes is in the state that opens/closes with the sliding of plunger, liquid capsule and the
Two chambers communicate with each other by damping hole in the open state.By the setting of liquid capsule, the hydraulic control of damping is realized；It is logical
The setting for crossing pressure ring realizes the reliable sealing of liquid capsule open end；By the setting of throttling element, plunger is realized in sleeve expert
Variable damper control in journey moving process.Also, damper of the invention also has service life period length, damping high reliablity
The advantages of.For damper of the invention when being used for clothes treatment device (such as washing machine), the damping force that plunger is subject to is when any
Quarter is all variable, and damper can be according to the vibration frequency of washing machine automatically by damping force to making what damping property optimized to become
Gesture adjustment forms and vibrates more matched damping force with offsetting, to reduce the vibration of washing machine, reduce washing machine due to
Vibrate the noise generated.
Detailed description of the invention
With reference to the accompanying drawings and in conjunction with roller washing machine to describe damper of the invention and including the clothing of the damper
Processing unit.In attached drawing:
Fig. 1 is the schematic view of the mounting position of the damper for roller washing machine of the invention；
Fig. 2 is the structural schematic diagram of the damper for roller washing machine of the invention；
Fig. 3 is the schematic cross-sectional view of the damper for roller washing machine of the invention；
Fig. 4 A is partial enlarged view of the Fig. 3 at A, the first embodiment of pressure ring sealing is shown in figure；
Fig. 4 B is a kind of improved procedure of Fig. 4 A, and second of embodiment of pressure ring sealing is shown in figure；And
Fig. 4 C is a kind of improved form of Fig. 4 B, the third embodiment of pressure ring sealing is shown in figure.
Reference signs list
1, damper；11, sleeve；111, the first fixed part；112, first chamber；12, plunger；121, the second fixed part；
122, second chamber；13, throttling element；131, pedestal；132, pipe structure；133, damping hole；14, liquid capsule；151, annular seal groove；
152, O-ring seal；16, spring；171, clip；172, claw；173, card hole；181, pressure ring；182, screw；2, shell；3,
Roller；4, hydraulic oil.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.For example, although
It is to be described in conjunction with fluid is hydraulic oil in specification, still, the present invention obviously can be certain using having for other forms
The fluid of viscosity, as long as the fluid itself will not cause to corrode to plunger and liquid capsule.
It should be noted that in the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical",
The direction of the instructions such as "horizontal", "inner", "outside" or the term of positional relationship are direction based on the figure or positional relationship, this
It is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used
In description purpose, it is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
With reference first to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is the installation position of the damper for roller washing machine of the invention
Set schematic diagram；Fig. 2 is the structural schematic diagram of the damper for roller washing machine of the invention；Fig. 3 is of the invention for rolling
The schematic cross-sectional view of the first embodiment of the damper of cylinder washing machine.As shown in Figure 1, one end of damper 1 of the invention
It is connected on the shell 2 of roller washing machine, the other end of damper 1 is connected to the bottom of roller 3, when roller 3 is in the course of work
Middle when vibrating, damper 1 can support roller 3 and consume the vibrational energy of the generation of roller 3.Particularly, of the invention
The amplitude adjust automatically damping force for the vibration that damper can be generated according to washing machine, i.e. damping force change with the stroke of plunger
And change, so that damper be made to generate the damping force that the vibration different from washing machine matches, and then washing machine of effectively decaying
Vibrational energy, reduce the vibration of washing machine and reduce with vibration generate noise.Specifically, as shown in Figures 2 and 3, subtracting
Main first for including sleeve 11, being fixedly connected with the first end (left end of sleeve 11 shown in Fig. 3) of sleeve 11 of shake device 1 is consolidated
Determine portion 111, plunger 12 and the second fixation being fixedly connected with the second end (right end of plunger 12 shown in Fig. 3) of plunger 12
Portion 121.Wherein, sleeve 11 has first chamber 112, is provided with second chamber 122 in plunger 12.In assembled state,
The first end (left end of plunger 12 shown in Fig. 3) of plunger 12 can be slidably from second end (Fig. 3 of sleeve 11
Shown in sleeve 11 right end) be inserted into first chamber 112.Preferably, the inner wall of the outer wall of plunger 12 and sleeve 11 can
Slidably it is tightly engaged into.First fixed part 111 is used to be connected to the roller 3 of washing machine, and the second fixed part 121 is washed for being connected to
The shell 2 of clothing machine.It is understood that the link position of the two can also be exchanged, i.e., the first fixed part 111 is connected
To the shell 2 of washing machine, the second fixed part 121 is connected to the roller 3 of washing machine.
With continued reference to Fig. 3, it is provided with liquid capsule 14 in first chamber 112, throttling element 13 is provided in liquid capsule 14.Liquid capsule 14
Closed end (left end of liquid capsule 14 shown in Fig. 3) be resisted against in the first chamber 112 of sleeve 11, it is preferably solid with sleeve 11
Fixed connection, the open end (right end of liquid capsule 14 shown in Fig. 3) of liquid capsule 14 are hermetically closely connect with the first end of plunger 12,
Specifically, the open end of liquid capsule 14 is fixedly connected by packaging part with the first end of plunger.Throttling element 13 include pedestal 131 and
It is fixedly connected with pedestal 131 or integrally formed pipe structure 132, pedestal 131 is set to the closed end of liquid capsule 14, pipe structure
132 a part insertion second chamber 122.Several damping holes 133 (referring to Fig. 4 A), liquid capsule 14 are provided in pipe structure 132
Inner cavity and/or second chamber 122 in be injected as the hydraulic oil 4 of fluid, when plunger 12 is in the first chamber 112 of sleeve 11
When middle sliding, a part of damping hole 133 in several damping holes 133, which is in, opens/closes state, and hydraulic oil 4 can pass through
Damping hole 133 in the open state back and forth flows in liquid capsule 14 and second chamber 122.
Preferably, liquid capsule 14 can be made by polyurethane, silica gel, rubber elastomeric material, and preferably, liquid capsule
Main body have ripple struction, in order to which compression/elongation deformation occurs in piston reciprocation motion process for liquid capsule.Several dampings
Hole 133 is along the outer wall for being axially set in pipe structure 132 of pipe structure 132 and the axis of the axis of damping hole 133 and pipe structure 132
With angle, it should be noted that distribution density of the damping hole 133 in pipe structure can be uniformly or uneven, single to hinder
The aperture in Buddhist nun hole 133 can be identical or not identical, and the angle between the axis of damping hole 133 and the axis of pipe structure 132 can
With identical or not identical.Preferably, the roughly the same resistance in two rows aperture is equably provided in pipe structure 132 along axial direction
Buddhist nun hole 133, and the angle between the axis of each damping hole 133 and the axis of pipe structure 132 is 90 °.Pedestal 131 is in circumferential direction
The inner wall of outer rim and first chamber 112 match, if first chamber 112 is cylindrical cavity, pedestal 131 is cylindrical knot
Structure, and the cross-sectional diameter of cylindrical structure cross-sectional diameter and cylindrical cavity is roughly equal.
It further, can be in the outer wall of throttling element 13 in order to guarantee the sealing performance between throttling element 13 and plunger 12
Or the inner wall of plunger 12 is provided with annular seal groove 151, is embedded in O-ring seal 152 in annular seal groove 151.Further
Ground is preferred, the axial length of annular seal groove 151 can be set greater than to the diameter of O-ring seal 152 so that O-shaped sealing
Circle can slide in annular seal groove, to advanced optimize the damping property of damper.Specifically, on the one hand, O-shaped sealing
The sealing between 12 inner wall of pipe structure 132 and plunger may be implemented in the setting of circle, it is ensured that hydraulic oil 4 does not pass through plunger 12 and pipe knot
Gap flowing between structure 132, but the flowing between liquid capsule 14 and second chamber 122 is only realized by damping hole 133, it keeps away
Exempt to keep the fit clearance between pipe structure 132 and plunger 12 excessive due to machining accuracy, abrasion etc., and then hydraulic oil 4 is by being somebody's turn to do
The problem of damping force of damper 1 substantially reduces caused by the flowing of gap appearance, improves the effectiveness in vibration suppression of damper 1.Separately
On the one hand, the setting of the biggish annular seal groove 151 of axial length may be implemented damper 1 and provide not under different Vibration Conditions
Same damping force.Specifically, O-ring seal can be by sliding in annular seal groove when washing machine generates small vibration
Mode enter sub-fraction hydraulic oil 4 in annular seal groove, and then reduce hydraulic oil 4 in liquid capsule 14 and second chamber
Resistance when back and forth flowing in 122 reduces so that the damping force that damper 1 provides in small vibration also reduces and passes through damping
Device 1 is transmitted to the small vibration of the roller 3 on the shell of washing machine, ensure that running smoothly for washing machine, noise is small.And it is doing washing
When machine generates big vibration, fast due to vibrating big and vibration velocity, O-ring seal does not move substantially relative to annular seal groove at this time, this
It is equivalent to O-ring seal to be fixedly connected in annular seal groove, the reversing current in liquid capsule 14 and second chamber 122 of hydraulic oil 4
Dynamic resistance is basically unchanged, so that in big vibration, damper 1 is capable of providing relatively large damping force, to rapidly reduce
The vibration that washing machine generates.
On this basis, it in order to advanced optimize the damping property of damper, can also be configured in second chamber 12
Spring 16, the both ends of spring bear against the right end to the right end of throttling element and second chamber.The effect of spring is including: ensuring that section
The pedestal of stream part left end is playback, avoids the problem that throttling element is made any stop occur due to throttle resistance；Spring store
Vibrational energy can carry out further damping consumption vibration.It is understood that spring can be the cylinder bullet of same diameter
Spring, be also possible to (mid diameter big, both ends diameter small) either diameter become larger or become smaller from one end to the other end it is different
Spring further can also be replaced with other elastic components such as leaf spring or elastomer block by shape spring.
In order to further ensure the positional relationship between the first end of pedestal 131, the closed end of liquid capsule 14 and sleeve 11,
Fixing piece can be configured to damper 1.Referring still to Fig. 3, fixing piece may include being sheathed on 11 outside of sleeve, tubular structure
Clip 171 and several claws 172 for being set on the inside of clip.It is corresponding with claw 172, card is provided on sleeve 11
Hole 173, by the way that claw 172 is protruded into card hole 173, the pedestal of throttling element can be placed in the left end of first chamber 112 with
Between claw.It preferably, can be in the left end of first chamber 112 and by being provided with certain freedom between the left side of claw 172
Stroke space, to advanced optimize the damping property of damper.It is understood that in order to guarantee can be achieved for assembly technology
Property, there is on clip opening.
It is partial enlarged view of the Fig. 3 at A referring to Fig. 4 A, Fig. 4 B and 4C, Fig. 4 A, pressure ring sealing the first is shown in figure
Embodiment；Fig. 4 B is a kind of improved procedure of Fig. 4 A, and second of embodiment of pressure ring sealing is shown in figure；Fig. 4 C is Fig. 4 B
A kind of improved form, the third embodiment of pressure ring sealing is shown in figure.As shown in Fig. 4 A, 4B and 4C, packaging part is pressure
Ring 181, pressure ring 181 are fixed on the first end (i.e. left end) of plunger by screw 12, and the open end of liquid capsule is clamped in pressure ring and column
Between the first end of plug.Obviously, bolt, ultrasonic bonding, bonding and buckle can also be passed through between pressure ring 181 and plunger 12
Etc. modes realize fastening.
As shown in Figure 4 A, in the first embodiment of pressure ring sealing, hollow annular cone is extended in the left end of plunger
Platform, the opening of liquid capsule are fixed between pressure ring 181 and annular frustum.Preferably, the outer wall of frustum be right-to-left sectional area by
The decrescence small conical surface, the open end of liquid capsule are placed in pressure ring and annular cone cell gap between annular frustum along axial direction.Tool
For body, after the left end of plunger installs throttling element and liquid capsule, is promoted to the right by pressure ring, pass through setting for above-mentioned variable cross-section
It sets, the degree for being extruded the open end for the liquid capsule for being cylindrical in shape structure (thickness is identical) in the position closer to right side is bigger, i.e.,
It is extruded closer closer to the position of end, so as to open end and plunger more effective, that be reliably achieved liquid capsule
Between fit sealing.
As shown in Figure 4 B, in second of embodiment of pressure ring sealing, the first hollow ring is extended in the left end of plunger
Shape boss, the open end for being cylindrical in shape the liquid capsule of structure includes axial clamping section and radial clamping section, it is axial clamp section and
Radial clamping section is individually fixed between pressure ring 181 and first annular boss.Specifically, it is had additional in the right end of pressure ring 181
The axial clamping section of annular groove, the open end of liquid capsule is clamped in the axial annular gap between pressure ring and first annular boss,
Radial ringed sky between the end face for the first end that the radial clamping section of the open end of liquid capsule is clamped in pressure ring annular groove and plunger
In gap.By the setting of annular groove, the open end of liquid capsule is made to have obtained Double Pressures axially and radially, i.e., pacified in the left end of plunger
After installing throttling element and liquid capsule, promoted to the right by pressure ring, tubular structure end annular extend out edge, so as to
More effectively, the fit sealing being reliably achieved between the open end of liquid capsule and plunger.
As shown in Figure 4 C, in the third embodiment of pressure ring sealing, the generation type in radial ringed gap are as follows: in column
The end face of the left end of plug extends out the second hollow annular convex platform, and the second annular convex platform will be other than first annular boss radial direction
Part is divided into first part in the inner part and second part in the outer part.Accordingly, the right end of pressure ring 181 is step surface, is led to
The cooperation for crossing step surface and first part makes the axial clamping section of the open end of liquid capsule be clamped in pressure ring and first annular boss
Between axial annular gap in, and the radial clamping section of the open end of liquid capsule be then clamped in step surface, plunger end face with
And second annular convex platform formed radial ringed gap in.Meanwhile by the cooperation of step surface and second part convenient for pressure ring
The alignment of pressure ring upper screwed hole is convenient in installation positioning by the cooperation of step surface and second part.Pass through first annular boss
With the combination settings of the second annular convex platform, the open end of the liquid capsule of tubular structure is made to form the thickening part of annular in end, thus
It being capable of the more effective, fit sealing that is reliably achieved between the open end of liquid capsule and plunger.
Can be seen that in damper of the invention, 1) since the closed end of liquid capsule 14 passes through pedestal and (clip, claw)
It is fixedly connected with sleeve 11 and the closed end of liquid capsule 14 is fixedly connected by packaging part with plunger 12, therefore covered in plunger 12
During moving back and forth in the first chamber 112 of cylinder 11, the meeting stretching/compressing liquid capsule 14 of plunger 12, liquid capsule 14 can be due to being drawn
It stretches/compresses and an elastic damping power is provided.Specifically, as plunger 12 deviates the increasing of the stroke of equilbrium position in sleeve 11
Greatly, the elastic damping power being subject to also is increasing, to enhance the effectiveness in vibration suppression of damper 1；2) due to being set in liquid capsule 14
A part insertion second chamber 122 of the pipe structure 132 of throttling element 13 and throttling element 13 is set, therefore in plunger 12 in sleeve
During moving back and forth in 11 first chamber 112, the number of damping hole 133 in the open state is changing at any time, into
And also correspondingly changed by the damping force that damping hole 133 generates, to further enhance the effectiveness in vibration suppression of damper 1；
And 3) throttling element passes through (annular seal groove, O-ring seal) and plunger 12 realizes sealed connection, therefore opposite in plunger 12
During sleeve 11 is slided, hydraulic oil 4 only can be by the damping hole on throttling element in liquid capsule 14, pipe structure and second
It is flowed between chamber 122, avoids the problem of damper 1 fails caused by revealing due to hydraulic oil 4.
In addition, the inner wall of the circumferential outer rim of pedestal 131 and first chamber 112 match and as fixing piece (clip,
Claw) setting, also enable pedestal 131 to limit the horizontal position of pipe structure 132, even if pedestal can be steadily in the
The left side (can only be movable in free travel space) of one chamber, so that the opposite sliding between plunger 12 and throttling element 13
More smoothly, stablize, avoid throttling element 13 during the work time, the feelings of the failure of damper 1 occur due to the biasing of pipe structure 132
Condition.
Compared to the existing damper of rotating drum washing machine for carrying out vibration damping using frictional force, pass through setting for liquid capsule and throttling element
It sets, the damping force that damper 1 of the invention generates damping force inconstant at any time changes with the amplitude of vibration
Become, the amplitude of vibration is bigger, and the damping force for resisting the vibration that damper 1 generates is also bigger.And damping of the invention
The problem of device 1 will not cause damper 1 to fail after a period of operation because of phenomena such as wearing, to solve
Damping force is unable to the problem of consecutive variations in the prior art, substantially enhances the effectiveness in vibration suppression of damper 1, is used for by damper
When roller washing machine, hence it is evident that improve the usage experience of user.
Herein, it is also necessary to explanation, in the present embodiment with no restriction to the quantity and diameter of damping hole 133, for not
For the damper 1 of model, the quantity and diameter of damping hole 133 are not quite similar.For example, for smaller damping
For device 1, the diameter of damping hole 133 can be in the thickness section of a few tenths of a mm to several millimeters；And the damper 1 of relatively large-scale
For, the diameter of valve block can be in several millimeters to more than ten millimeters of thickness section.
It will be appreciated by persons skilled in the art that the preferred arrangement of above-mentioned damping hole 133 is used merely to explain this
The principle of invention, it is not intended that with limit the scope of the invention, under the premise of without departing from the principle of the invention, this field skill
Art personnel can also carry out any form of adjustment to above-mentioned set-up mode, to adapt to more specifical application.For example,
The section of damping hole 133 can also be ellipse or rectangle；Pedestal 131 can be fixed with pipe structure 132 by the way of being spirally connected
Connection；Angle between the axis of damping hole 133 and the axis of pipe structure 132 can be any nonparallel angle, such as damp
The angle of the axis in hole 133 and the axis of pipe structure 132 in horizontal direction to the left is 45 ° or 60 °.
Laundry drum is being used for below with reference to Fig. 3 and to damper 1 of the invention for when washing machine generates big vibration
Working principle when machine is briefly described.
By the orientation in Fig. 3, when 12 stress of plunger is slided to the left, the volume of liquid capsule 14 becomes smaller, and is on throttling element 13
The damping hole 133 of opening state is reduced, and hydraulic oil 4 is squeezed, and the inner cavity of liquid capsule 14 generates positive pressure, and hydraulic oil 4 is by being in
The less damping hole 133 of opening state is flowed from the inner cavity of liquid capsule 14 to second chamber 122, and hydraulic oil 4 is flowing to the second chamber
Damping force to the right is generated to plunger 12 during room 122, the movement tendency of plunger 12 to the left is reduced, subtracts to play
It shakes, the effect of noise reduction.Similarly, when 12 stress of plunger is slided to the right, the volume of liquid capsule 14 becomes larger, and is on throttling element 13 at this time
The damping hole 133 of opening state increases, and hydraulic oil 4 is squeezed, and the inner cavity of liquid capsule 14 generates negative pressure, and hydraulic oil 4 is by being in
The more damping hole 133 of opening state is flowed from second chamber 122 to the inner cavity of liquid capsule 14, and hydraulic oil 4 is flowing to liquid capsule 14
Inner cavity during damping force to the left is generated to plunger 12, the movement tendency of plunger 12 to the right is reduced, to play
The effect of vibration damping, noise reduction.Also, the setting of pressure ring and (annular seal groove, O-ring seal) efficiently avoids occurring following
Problem: cause plunger and throttling element fit clearance excessive due to damper machining accuracy, abrasion etc., cause hydraulic oil in mistake
It is easily flowed in big gap, and then substantially reduces the throttle resistance of damper.That is, due to pressure ring and (annular
Seal groove, O-ring seal) setting, make 4, hydraulic oil in second chamber by more damping hole in the open state
133 flow into the inner cavity of liquid capsule 14, ensure that the precision for the damping force that damper provides.
Referring again to Fig. 1, another aspect of the present invention additionally provides a kind of washing machine, which includes shell 2 and setting
Roller 3 in shell 2, roller 3 are supported on shell 2 by two dampers 1 of the invention.Certainly, damper 1 is in roller
Setting quantity in washing machine is not unalterable, and three, four are also provided in roller washing machine or is more subtracted
Device is shaken, and at least one in these dampers is the damper 1 of aforementioned present invention.
In addition it should be pointed out that although the above preferred embodiment is illustrated by taking roller washing machine as an example,
But this is not intended to limit protection scope of the present invention, it may occur to persons skilled in the art that, in addition to roller washing machine, this
Invention can also be applied to other device for clothing processing, such as can also be applied to rotary drum washing machine, dryer and shoe washing machine.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of damper, comprising:
Sleeve, the sleeve have first chamber；
Plunger, the plunger have second chamber, and the plunger is slidably inserted into the first chamber；
It is characterized in that, the damper further includes liquid capsule and packaging part,
The liquid capsule is set in the first chamber, the open end of the liquid capsule pass through the packaging part and the plunger the
One end is fixedly connected,
Wherein, fluid is filled in the inner cavity of the liquid capsule and/or the second chamber.
2. damper according to claim 1, which is characterized in that be provided with throttling element, the throttling element in the liquid capsule
Second chamber described in partial insertion, the throttling element are equipped with several damping holes, a part in several described damping holes with
The sliding of the plunger is in and opens/closes state, and the first chamber and the second chamber are by the open state
The damping hole communicates with each other.
3. damper according to claim 2, which is characterized in that the throttling element include pedestal and with the pedestal one
Pipe structure that is body formed or being fixedly connected, the pedestal are set to the one end of the liquid capsule far from the plunger, the pipe structure
A part be inserted into the second chamber.
4. damper according to claim 3, which is characterized in that axial direction of several the described damping holes along the pipe structure
It is evenly or unevenly set to the outer wall of the pipe structure, the axis of the damping hole and the axis of the pipe structure have
Angle.
5. damper according to claim 2, which is characterized in that be provided with bullet between the throttling element and two chamber
Property part.
6. damper according to any one of claim 1 to 5, which is characterized in that the packaging part is pressure ring, the pressure
Ring is fixedly connected with the first end of the plunger, and the open end of the liquid capsule is clamped in the first end of the pressure ring Yu the plunger
Between.
7. damper according to claim 6, which is characterized in that the first end of the plunger is provided with annular frustum, institute
The open end for stating liquid capsule is clamped in the annular cone cell gap between the pressure ring and the annular frustum.
8. damper according to claim 6, which is characterized in that the first end of the plunger is provided with first annular convex
Platform, the open end of the liquid capsule include axial clamping section and radial clamping section, and the axial clamping section is clamped in described
In axial annular gap between pressure ring and the first annular boss, the radial clamping section is clamped in the pressure ring and institute
It states in the radial ringed gap between the end face of the first end of plunger.
9. damper according to claim 8, which is characterized in that extend the second ring in the end face of the first end of the plunger
Shape boss, second annular convex platform, the pressure ring and the plunger first end end face between formed it is described radial ringed
Gap.
10. a kind of device for clothing processing, including shell and the cylindric washer being set in the shell, the cylindric washer passes through multiple
Damper is supported in the shell, which is characterized in that at least one of described damper is to appoint according in claim 1-9
Damper described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693926.7A CN109385829B (en) | 2017-08-14 | 2017-08-14 | Damper and laundry treating apparatus including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693926.7A CN109385829B (en) | 2017-08-14 | 2017-08-14 | Damper and laundry treating apparatus including the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109385829A true CN109385829A (en) | 2019-02-26 |
| CN109385829B CN109385829B (en) | 2022-01-04 |
Family
ID=65416869
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710693926.7A Active CN109385829B (en) | 2017-08-14 | 2017-08-14 | Damper and laundry treating apparatus including the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109385829B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763202A (en) * | 2021-01-20 | 2021-05-07 | 海信（山东）冰箱有限公司 | Damper clamp |
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| CN203189596U (en) * | 2013-04-02 | 2013-09-11 | 江苏昌力油缸有限公司 | Controllable reset damping oil cylinder |
| CN105755757A (en) * | 2016-04-13 | 2016-07-13 | 青岛海尔洗衣机有限公司 | Washing machine feet with automatic levelling function and washing machine |
| CN106564456A (en) * | 2015-10-09 | 2017-04-19 | 宝应县宝鸿汽配厂 | Hydraulic buffer type bumper |
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2017
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|---|---|---|---|---|
| EP0478273A2 (en) * | 1990-09-25 | 1992-04-01 | Bridgestone Corporation | Vibration damping device |
| CN201843931U (en) * | 2010-10-25 | 2011-05-25 | 重庆瑞翱机电设备有限公司 | Motorcycle front shock absorber with automatically changing damping resistance |
| CN102359529A (en) * | 2011-09-12 | 2012-02-22 | 吕再昌 | Piston type hydropneumatic buffer |
| CN203189596U (en) * | 2013-04-02 | 2013-09-11 | 江苏昌力油缸有限公司 | Controllable reset damping oil cylinder |
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| CN112763202A (en) * | 2021-01-20 | 2021-05-07 | 海信（山东）冰箱有限公司 | Damper clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109385829B (en) | 2022-01-04 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20211130 Address after: 266308 in Haier Industrial Park, Haier Avenue, Jiulong sub district office, Jiaozhou City, Qingdao City, Shandong Province Applicant after: Qingdao Jiaozhou Haier washing Electric Appliance Co.,Ltd. Applicant after: Haier Zhijia Co., Ltd Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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