CN105986407A - Shock absorber, washing machine and clothes dryer - Google Patents

Shock absorber, washing machine and clothes dryer Download PDF

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Publication number
CN105986407A
CN105986407A CN201510047105.7A CN201510047105A CN105986407A CN 105986407 A CN105986407 A CN 105986407A CN 201510047105 A CN201510047105 A CN 201510047105A CN 105986407 A CN105986407 A CN 105986407A
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CN
China
Prior art keywords
sleeve
plunger
amortisseur
frictional
frictional slipping
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Granted
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CN201510047105.7A
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Chinese (zh)
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CN105986407B (en
Inventor
许升
赵志强
吕艳芬
彭秀文
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Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Washing Machine Co Ltd
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Priority to CN201510047105.7A priority Critical patent/CN105986407B/en
Publication of CN105986407A publication Critical patent/CN105986407A/en
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Publication of CN105986407B publication Critical patent/CN105986407B/en
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  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

The invention relates to the field of household appliance, in particular to a shock absorber and a washing machine. The shock absorber comprises a sleeve with an opening in one end and a first plunger. One end of the first plunger is fixed, and the other end of the first plunger is inserted into the sleeve from the opening. The first plunger can slide along the sleeve. A friction plate in friction fit with the first plunger is arranged between the first plunger and the sleeve. The sleeve is provided with an elastic part and a second friction slide device which is connected with the elastic part and can slide relative to the sleeve in a friction manner. When the movement, relative to the sleeve, of the first plunger exceeds are preset position, the first plunger is abutted against the second friction slide device and compresses the elastic part. By the structure, the shock absorber is good in shock absorption performance, long in service life and capable of lowering the risk of shock absorption failure caused by large friction.

Description

A kind of amortisseur and washing machine, dryer
Technical field
The present invention relates to household appliance technical field, be specifically related to a kind of amortisseur and washing machine, dryer.
Background technology
From the point of view of the whole laundry processes of washing machine, vibrating in washing, rinsing, being dehydrated each stage all can produce Raw.The rotating speed of inner tank of washing machine is by 0 to 1460r/min, i.e. rotational frequency changes at 0-25Hz, at inner core In rotary course, due to clothes washing uneven distribution, forming the power in two vibrational systems, one is inclined Load causes the lower motion of urceolus;Centrifugal force causes urceolus double swerve.
For solving problem above, it is provided with amortisseur between casing of washing machine of the prior art and urceolus, subtracts The device that shakes can absorb and eliminate vibration, prevents from creeping, and reduces noise, is to ensure that washing machine performance and prolongation are washed The important device in clothing machine life-span.General amortisseur one end is fixed on casing, and one end is fixed on urceolus.Subtract The vibrations that washing machine can be produced by shake device produce effective inhibitory action, thus improve the vibration of casing of washing machine Noise level with complete machine.But, existing damper for washing machine is mainly against frictional force, and buffers and consume Vibrational energy when washing of drum type washing machine, dehydration.
In practice, the washing machine urceolus also having is hung by spring, once produces vibration, at spring force Lower urceolus to rebound, and now the bounce-back of spring is played damping action by amortisseur, i.e. tends to steady after bounce-back Fixed.
The Patent Application Publication of Application No. 201310121596.6 discloses the washing machine of a kind of damping force variable Amortisseur, as it is shown in figure 1, this amortisseur includes an one end 01, plunger 02 of sleeve with opening And at least one friction plate 03, one end of described plunger 02 inserts sleeve 01 from the opening of described sleeve 01, Described friction plate 03 be close to described sleeve 01 inwall and with the wall contacts of described plunger 02.Described set The other end of cylinder 01 is fixing end 011, and sleeve 01 is fixed in described casing of washing machine by fixing end 011 Side.The other end of plunger 02 is fixing end 021, and plunger 02 is fixed on urceolus by fixing end 021.Institute State plunger 02 by producing damping force relative to sleeve 01 inwall fricting movement, realize to laundry with this The effect of machine damping.And in this amortisseur, described plunger 02 comes directly towards the radius of a section less than described plunger 02 The radius of remaining section.This amortisseur is not only applicable to washing machine at the big amplitude such as washing, rinsing, low speed dehydration Operating mode, is applicable to again the such little amplitude operating mode of high speed dewatering, the shake that washing machine all can be produced by this amortisseur The raw effective inhibitory action of movable property, thus improve vibration and the noise level of complete machine of laundry chassis shell.
But amortisseur described above there is problems in that the damping effect of above amortisseur bad, And the friction plate of vibroshock is the most aging, after friction plate is aging, then the damping of vibroshock was lost efficacy.Work as amortisseur The aging damping of friction plate disappear or when seriously reducing, washing machine is when washing medicated clothing, and vibration is big, de- During water, initial can frequently hit cylinder, when lack of equilibrium, washing machine cannot start high speed dewatering program, Zhi Nengpin Numerous balance-seeking, sometimes needs to balance tens of times for balance-seeking, just can carry out dehydration procedure, cannot time serious Dehydration, this washing having had a strong impact on washing machine and dewatering.
Based on above description, need badly and want a kind of new damping device, to solve damping present in prior art The problem that the damping effect of device is bad and the most aging.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of amortisseur, this amortisseur can effectively lower and rubs The probability that the damping of pad was lost efficacy, and it is capable of more preferable damping effect, reliability is higher.
The present invention also aims to provide a kind of washing machine, this washing machine has above-mentioned amortisseur, and this subtracts Shake device improves the performance of washing machine.
The present invention also aims to provide a kind of dryer, this dryer has above-mentioned amortisseur, and this subtracts Shake device improves the performance of dryer.
The embodiment of the present invention is by the following technical solutions:
A kind of amortisseur, described amortisseur includes sleeve and first plunger of one end open, described first plunger One end insert described sleeve for fixing end, the other end from the opening part of described sleeve, and can be along described sleeve Slide, be provided with between described first plunger and described sleeve and the friction plate of described first plunger frictional fit; Described sleeve be provided with elastic component and be connected with described elastic component and can relative described sleeve Frictional Slipping Two Frictional Slipping devices, and after the described first the most described sleeve of plunger moves past precalculated position, described First plunger and described second Frictional Slipping device abut against and compress described elastic component.
As preferably, the frictional damping between described second Frictional Slipping device and described sleeve is more than or equal to institute State the frictional damping of friction plate and described first plunger.
As preferably, described support member and the second Frictional Slipping device are arranged at inside described sleeve, described Second Frictional Slipping device is the second plunger.
As preferably, in described sleeve, it is provided with positive stop lug boss, in order to carry out spacing to the position of the second plunger.
As preferably, described sleeve is divided into Part I sleeve and Part II sleeve, described second plunger position In Part II sleeve, the internal diameter of described Part I sleeve is less than the internal diameter of Part II sleeve.
As preferably, described support member and the second Frictional Slipping device are all set in outside described sleeve, described Second Frictional Slipping device is drag ring;Described first Frictional Slipping device also includes around described first plunger The outer barrel that periphery is arranged, described outer barrel is positioned at outside described sleeve, and on described first plunger edge Contact with described drag ring during sleeve lining Slideslip inwards.
As preferably, described second Frictional Slipping device uses metal material, elastomer, viscoid or plastics Material;Described first plunger uses metal material.
A kind of washing machine or dryer, including the amortisseur described at least more than one any one, described damping Device between the casing and urceolus of described washing machine, the two ends of described amortisseur respectively with described casing and outer Cylinder is connected.,
As preferably, described amortisseur is connected with described urceolus, by described by the fixing end of described sleeve The fixing end of the first plunger is connected with described casing.
The Advantageous Effects of the technical scheme that the embodiment of the present invention proposes is:
(1) amortisseur provided due to the application includes sleeve and the first Frictional Slipping device of one end open, First Frictional Slipping device includes the first plunger, and sleeve is inserted from the opening part of sleeve in one end of the first plunger, And can slide along described sleeve, it is provided with between the first plunger and described sleeve lining and rubs with described first plunger Wipe the friction plate coordinated;And described sleeve is provided with elastic component and is connected with described elastic component and can be relative Second Frictional Slipping device of described sleeve Frictional Slipping, and when described first plunger the most described sleeve motion After exceeding precalculated position, described first plunger and described second Frictional Slipping device abut against and compress described bullet Property part.So this structure is so that the damping performance of amortisseur is more preferable, the life-span is longer, and reduces it The risk that the damping performance caused in the case of friction ratio is relatively big lost efficacy.
(2) different with Part II sleeve diameter due to Part I sleeve, thus at Part I sleeve and The junction of Part II sleeve defines a stopping means.Stopping means so that support member precompressed, Make support member can store bigger vibrational energy, and stopping means can effectively reduce spring to plunger Resilience force, preferably consumes spring store vibrational energy.
(3) owing to having certain gap between outer barrel and sleeve outer wall, this gap can reduce outside Friction between sleeve and sleeve outer wall, decreases the risk that outer barrel is worn with sleeve outer wall, improves The wearability of amortisseur.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, the embodiment of the present invention will be retouched below In stating, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative work Under premise, it is also possible to content according to embodiments of the present invention and these accompanying drawings obtain other accompanying drawing.
Fig. 1 is the structural representation of the amortisseur that prior art provides;
Fig. 2 is the structural representation of the amortisseur that the application specific embodiment one provides;
Fig. 3 is a kind of preferred structure schematic diagram of the amortisseur that the application specific embodiment one provides;
Fig. 4 is the structural representation of the amortisseur that the application specific embodiment two provides.
In figure:
01, sleeve;02, plunger;03, friction plate;
011, fixing end;021, fixing end;
11, sleeve;12, support member;13, the second plunger;15, the first Frictional Slipping device;16, rub Pad;
111, fixing end;
151, the first plunger;152, fixing end;
21, sleeve;22, support member;23, drag ring;25, the first Frictional Slipping device;26, friction Sheet;
211, fixing end;
251, the first plunger;252, fixing end;253, outer barrel.
Detailed description of the invention
Technical scheme and the technique effect reached for making to present invention solves the technical problem that, using are more clear Chu, is described in further detail the technical scheme of the embodiment of the present invention below in conjunction with accompanying drawing, it is clear that Described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on this Embodiment in bright, those skilled in the art obtained under not making creative work premise all its His embodiment, broadly falls into the scope of protection of the invention.
Present solution provides a kind of amortisseur and have washing machine or the dryer of this amortisseur, this amortisseur was both Can apply and can apply on roller washing machine again on rotary drum washing machine, naturally it is also possible to apply at drying On machine, for convenience of description, this programme only illustrates as a example by roller washing machine.
Embodiment one
The roller washing machine that this programme provides includes that at least one amortisseur, described amortisseur are positioned at described laundry Between casing and the urceolus of machine, the two ends of described amortisseur are connected with described casing and urceolus respectively.,
Concrete, as in figure 2 it is shown, described amortisseur mainly includes that a damping pilot sleeve 11 and first rubs Wipe carriage 15.One end of described sleeve 11 is provided with opening, and the other end is fixing end 111, described set The fixing end 111 of cylinder 11 is connected with the urceolus of washing machine.Described first Frictional Slipping device 15 includes first Plunger 151, one end of described first plunger 151 is fixing end 152, and described first plunger 151 is by fixing End 152 is connected on the casing of washing machine, and described first plunger 151 other end can be from described sleeve 11 Opening part inserts described sleeve 11, and can slide along described sleeve 11.Described first plunger 151 and described set It is provided with and the friction plate 16 of described first plunger 151 frictional fit between cylinder 11.Described first plunger 151 Damping force can be produced during relative to friction plate 16 inside and outside slip.
The amortisseur of above structure will cause inefficacy under big vibrations excessive friction, so that the subtracting of amortisseur Shock stability is more preferable, and the life-span is longer, and then amortisseur is set to following structure.
Described sleeve 11 is provided with elastic component 12 and is connected with described elastic component 12 and can relative described sleeve Second Frictional Slipping device of 11 Frictional Slipping, and when the described first the most described sleeve of plunger 151 11 moves After exceeding precalculated position, described first plunger 151 abuts against with described second Frictional Slipping device and compresses institute State elastic component 12.
In the present embodiment, concrete, described sleeve 11 is provided with support member 12 near the inner side of fixing end, One end of described support member 12 is fixed on bottom described sleeve 11, and described support member 12 is near one end of opening Connect that have can the second Frictional Slipping device of the most described sleeve 11 Frictional Slipping.
Described second Frictional Slipping device is preferably the second plunger 13.Described second plunger 13 is one and freely lives Dynamic drag ring.Described second plunger 13, can be with described sleeve 11 when described sleeve 11 inner slide Damping force is produced between inwall.
In the present embodiment, preferably, described friction plate 16 is positioned at described sleeve 11 near opening On the inwall at place.Described friction plate 16 can be loop configuration, and the friction plate 16 of annular is close to described set Cylinder 11 inwalls, it is also possible to multiple friction plates 16 are uniformly arranged on described sleeve 11 inwall.Described friction plate The length of 16 does not limits, and sets with specific reference to practical situation.
Above-described amortisseur, under little amplitude, only by the friction between the first plunger 151 and friction plate 16 Frictional force damping shock absorption between power and the second plunger 13 and sleeve 11 inwall.
Under big amplitude, there is a scenario described below:
1. urceolus repeatedly large-amplitude oscillation, the first plunger 151 can touch the second plunger 13, touch After second plunger 13, both reciprocal movement friction in sleeve 11 together, against many increases of the second plunger 13 Frictional force play damping force.The first plunger 151 and the second plunger 13 to left movement time, support member 12 is made With simply playing the effect deforming storage vibrational energy, move right at the first plunger 151 and the second plunger 13 Time, support member 12 act on simply play recovery deformation promote the first plunger 151 together with the second plunger 13 to the right Motion.
2. urceolus single or discontinuous large-amplitude oscillation, the first plunger 151 can touch the second plunger 13, after touching the second plunger 13, both friction of motions to the left in sleeve 11 together, against second Damping shock absorption is played in frictional force and the support member 12 deformation energy storage of many increases of plunger 13.At the first plunger 151 During left movement, the second plunger 13 and the first plunger 151 separate, and urceolus vibration is little, and the first plunger 151 is next Quantity of motion is little, will not contact the second plunger 13 again, and now, the second plunger 13 friction consumes support member 12 and stores up Stop motion after energy.Store vibrational energy against support member 12 deformation to be consumed by the second plunger 13.
Wherein, moving right to the left appeared in above description simply facilitates marginal data, can will be apparent from Know, amortisseur be space arrange, the described direction of motion also by amortisseur implement install determine.
The amortisseur that this programme provides is not only applicable to washing machine at the big amplitude such as washing, rinsing, low speed dehydration Operating mode, is applicable to again, little amplitude operating mode during high speed dewatering, and then realizes more preferable damping noise reduction.
In the present embodiment, the material of described second plunger 13 and the first plunger 151 is needed to match, Select the material that contact noise is little.Such as, described second Frictional Slipping device use metal material, elastomer, Viscoid or plastic material;Described first plunger 151 uses metal material.In the present embodiment, described second Frictional damping between Frictional Slipping device and described sleeve 11 is more than or equal to described friction plate 16 and described the The frictional damping of one plunger 151.
Embodiment two:
It is with embodiment one difference, in the present embodiment, as it is shown on figure 3, described sleeve 11 is divided into first Partial sleeves and Part II sleeve, described second plunger 13 is positioned at Part II sleeve, friction plate 16 In Part I sleeve.Part I sleeve is different with Part II sleeve diameter, in Part I sleeve Footpath is d1, and Part II sleeve diameter is d2, and the internal diameter of described Part I sleeve is less than Part II sleeve Internal diameter.In addition, this embodiment is all identical with embodiment one, and therefore not to repeat here.
In the present embodiment, described support member 12 can be deformation, but it is preferred that the support of precompressed deformation Part 12, can more preferably absorb vibrations energy storage.
In the present embodiment, owing to Part I sleeve is different with Part II sleeve diameter, so first The junction of partial sleeves and Part II sleeve defines a stopping means.Stopping means is so that prop up Support member 12 precompressed so that support member 12 can store bigger vibrational energy, and stopping means can effectively subtract Few spring resilience force to plunger, preferably consumes spring store vibrational energy.
In the present embodiment, as another kind of preferred version, it is also possible to be provided with limit convex in described sleeve 11 Platform, positive stop lug boss is in order to carry out spacing to the position of the second plunger 13.
Certainly, stopping means is not limited to both the above mode, it is also possible to be other structures.
Embodiment three
As shown in Figure 4, identical with embodiment one, the sleeve 21 that this embodiment provides is solid by fixing end 211 Being scheduled on washing machine urceolus, the first plunger 251 is fixed on casing of washing machine by the fixing end 252 of end, The opening part of sleeve 21 is provided with friction plate 26.But, this embodiment is with embodiment one difference, In the present embodiment, described support member 22 and the second Frictional Slipping device are all set in outside described sleeve 21, Described second Frictional Slipping device is drag ring 23.Described first Frictional Slipping device 25 also includes around described The outer barrel 253 that first plunger 251 periphery is arranged, described outer barrel 253 is positioned at outside described sleeve 21 Side, and contact with described drag ring 23 when described first plunger 251 is along sleeve 21 inwall Slideslip inwards.
Preferably, having certain gap between described outer barrel 253 and sleeve 21 outer wall, this gap can To reduce the friction between outer barrel 253 and sleeve 21 outer wall, decrease outer barrel 253 and sleeve 21 The risk that outer wall is worn, improves the wearability of amortisseur.
In the present embodiment, the described support member 22 fixed form outside sleeve 21 is diversified, Such as location interference boss, screw-threaded engagement etc..
In addition, this embodiment is all identical with embodiment one, and therefore not to repeat here.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.Those skilled in the art It will be appreciated that the invention is not restricted to specific embodiment described here, can enter for a person skilled in the art Row various obvious changes, readjust and substitute without departing from protection scope of the present invention.Therefore, though So by above example, the present invention is described in further detail, but the present invention be not limited only to Upper embodiment, without departing from the inventive concept, it is also possible to include other Equivalent embodiments more, And the scope of the present invention is determined by scope of the appended claims.

Claims (9)

1. an amortisseur, described amortisseur includes the sleeve (11 of one end open, 21) and the first plunger (151,251), described first plunger (151,251) one end inserts described sleeve (11 for fixing end, the other end from the opening part of described sleeve (11,21), 21), and can slide along described sleeve (11,21), described first plunger (151,251) with described sleeve (11,21) it is provided with between and the friction plate (16,26) of described first plunger (151,251) frictional fit;It is characterized in that: described sleeve (11,21) elastic component (12 it is provided with, 22) and with described elastic component (12,22) it is connected and can the most described sleeve (11,21) the second Frictional Slipping device of Frictional Slipping, and when described first plunger (151,251) the most described sleeve (11,21) after moving past precalculated position, described first plunger (151,251) abut against with described second Frictional Slipping device and compress described elastic component (12,22).
2. amortisseur as claimed in claim 1, it is characterized in that, the frictional damping between described second Frictional Slipping device Yu described sleeve (11,21) is more than or equal to described friction plate (16,26) with the frictional damping of described first plunger (151,251).
3. amortisseur as claimed in claim 1, it is characterised in that described support member (12) and the second Frictional Slipping device are arranged at described sleeve (11) inner side, and described second Frictional Slipping device is the second plunger (13).
4. amortisseur as claimed in claim 3, it is characterised in that described sleeve is provided with positive stop lug boss in (11), in order to carry out spacing to the position of the second plunger (13).
5. amortisseur as claimed in claim 3, it is characterized in that, described sleeve (11) is divided into Part I sleeve and Part II sleeve, described second plunger (13) to be positioned at Part II sleeve, and the internal diameter of described Part I sleeve is less than the internal diameter of Part II sleeve.
6. amortisseur as claimed in claim 1, it is characterised in that described support member (22) and the second Frictional Slipping device are all set in described sleeve (21) outside, and described second Frictional Slipping device is drag ring (23);Described first Frictional Slipping device (25) also includes the outer barrel (253) arranged around described first plunger (251) periphery, described outer barrel (253) is positioned at described sleeve (21) outside, and contacts with described drag ring (23) when described first plunger (251) is along sleeve (21) inwall Slideslip inwards.
7. amortisseur as claimed in claim 1, it is characterised in that described second Frictional Slipping device uses metal material, elastomer, viscoid or plastic material;Described first plunger (151,251) uses metal material.
8. a washing machine or dryer, it is characterised in that include at least one amortisseur as described in any one of claim 1 to 7, described amortisseur is between the casing and urceolus of described washing machine, and the two ends of described amortisseur are connected with described casing and urceolus respectively.
9. washing machine as claimed in claim 8 or dryer, it is characterized in that, described amortisseur is connected with described urceolus by the fixing end of described sleeve (11,21), it is connected with described casing by the fixing end of described first plunger (151,251).
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CN107012655A (en) * 2017-05-25 2017-08-04 青岛海尔洗衣机有限公司 Upper lid damper, upper lid slow descending device and washing machine for washing machine
CN107420475A (en) * 2017-06-14 2017-12-01 安徽国防科技职业学院 A kind of pneumatic bumper of washing machine, dryer
CN108930132A (en) * 2018-08-15 2018-12-04 凌露璐 A kind of shock absorber for supporting and washing machine
WO2019024904A1 (en) * 2017-08-04 2019-02-07 青岛海尔洗衣机有限公司 Washing machine
WO2019024905A1 (en) * 2017-08-04 2019-02-07 青岛海尔洗衣机有限公司 Washing machine
CN109763958A (en) * 2018-12-20 2019-05-17 青岛海尔股份有限公司 Compressor damper mechanism and refrigerator
CN109763956A (en) * 2018-12-20 2019-05-17 青岛海尔股份有限公司 Compressor shock absorption footpad and refrigerator
CN110846856A (en) * 2018-08-20 2020-02-28 青岛海尔洗衣机有限公司 Damping device for washing machine and pull-out washing machine
CN110846857A (en) * 2018-08-20 2020-02-28 青岛海尔洗衣机有限公司 Damping device for washing machine and pull-out washing machine
CN110846855A (en) * 2018-08-20 2020-02-28 青岛海尔洗衣机有限公司 Damping device for washing machine and pull-out washing machine
CN110846849A (en) * 2018-08-20 2020-02-28 青岛海尔洗衣机有限公司 Pull type washing machine
CN110886066A (en) * 2018-08-20 2020-03-17 青岛海尔洗衣机有限公司 Damping device for washing machine and pull-out washing machine
CN110965267A (en) * 2018-09-29 2020-04-07 青岛海尔洗衣机有限公司 Washing machine shock absorber and washing machine
CN110965268A (en) * 2018-09-29 2020-04-07 青岛海尔洗衣机有限公司 Washing machine shock absorber and washing machine
CN111235914A (en) * 2020-03-20 2020-06-05 石狮耀翔织造有限公司 Dyeing process and dyeing machine for knitted fabric
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Publication number Priority date Publication date Assignee Title
CN107012655A (en) * 2017-05-25 2017-08-04 青岛海尔洗衣机有限公司 Upper lid damper, upper lid slow descending device and washing machine for washing machine
CN107012655B (en) * 2017-05-25 2022-11-04 青岛海尔洗衣机有限公司 Upper cover damper for washing machine, upper cover slow-falling device and washing machine
CN107420475A (en) * 2017-06-14 2017-12-01 安徽国防科技职业学院 A kind of pneumatic bumper of washing machine, dryer
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CN108930132A (en) * 2018-08-15 2018-12-04 凌露璐 A kind of shock absorber for supporting and washing machine
CN110886066A (en) * 2018-08-20 2020-03-17 青岛海尔洗衣机有限公司 Damping device for washing machine and pull-out washing machine
CN110846856B (en) * 2018-08-20 2022-07-29 青岛海尔洗衣机有限公司 Damping device for washing machine and pull-out washing machine
CN110846849A (en) * 2018-08-20 2020-02-28 青岛海尔洗衣机有限公司 Pull type washing machine
CN110846857A (en) * 2018-08-20 2020-02-28 青岛海尔洗衣机有限公司 Damping device for washing machine and pull-out washing machine
CN110846855A (en) * 2018-08-20 2020-02-28 青岛海尔洗衣机有限公司 Damping device for washing machine and pull-out washing machine
CN110886066B (en) * 2018-08-20 2023-06-13 青岛海尔洗衣机有限公司 Damping device for washing machine and drawing type washing machine
CN110846857B (en) * 2018-08-20 2023-04-25 青岛海尔洗衣机有限公司 Damping device for washing machine and drawing type washing machine
CN110846856A (en) * 2018-08-20 2020-02-28 青岛海尔洗衣机有限公司 Damping device for washing machine and pull-out washing machine
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CN109763956A (en) * 2018-12-20 2019-05-17 青岛海尔股份有限公司 Compressor shock absorption footpad and refrigerator
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CN113661286B (en) * 2019-06-05 2023-09-01 三星电子株式会社 Damper and washing machine with same
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao

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Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao

Patentee before: QINGDAO HAIER WASHING MACHINE Co.,Ltd.