CN105465262A - Shock absorber and electrical equipment - Google Patents
Shock absorber and electrical equipment Download PDFInfo
- Publication number
- CN105465262A CN105465262A CN201610053412.0A CN201610053412A CN105465262A CN 105465262 A CN105465262 A CN 105465262A CN 201610053412 A CN201610053412 A CN 201610053412A CN 105465262 A CN105465262 A CN 105465262A
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- China
- Prior art keywords
- vibration damper
- main body
- piston rod
- slave part
- hinged
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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
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
-
- 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
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to a shock absorber and electrical equipment. The shock absorber comprises a body part and an auxiliary part which each comprise a piston rod and a sleeve. The piston rods can stretch and retract along the sleeves, and the piston rods bear damping force during stretching and retracting. The body part and the auxiliary part are connected to form an inverted Y shape. The auxiliary sleeve of the auxiliary part is hinged to the outer wall of the main sleeve. The electrical equipment comprises the shock absorber. By means of the technical scheme, the shock absorbing effect of the shock absorber is improved, and vibration during work of the equipment is further reduced.
Description
Technical field
The present invention relates to technical field of electrical equipment, particularly relate to a kind of vibration damper and electric equipment.
Background technique
Current roller washing machine generally adopts the mode damping of upper suspension spring and lower support damping shock absorber, and wherein damping shock absorber is single piston linear motion mode, generally respectively places a damping shock absorber on washing machine both sides.Damping shock absorber forms primarily of sleeve 2, piston rod 3, and between sleeve 2 and piston rod 3 built-in oil-containing damping material, play and increase viscous damping and sliding friction damping function, as shown in Figure 1.Existing damping shock absorber is hinged by hinged mouth 1 upper in figure and the washing machine part that is draped, hinged by the hinged mouth in chassis 4 and washing machine chassis.
Damping shock absorber is while support is draped part (comprising cylinder), also need to function as follows: reduce washing machine be draped part Oscillation Amplitude, suppress cylinder wraparound rotating shaft twisting mode, thus reduce the active force that suspension system is delivered to casing of washing machine chassis, occur that to prevent washing machine complete machine high speed drying process phenomenon " toppled over " by " walk about " phenomenon and complete machine of lower margin, as shown in Figure 2.
The defect that existing roller washing machine exists has: it is comparatively large that the part that, is draped is delivered to casing of washing machine chassis active force, and damping shock absorber cannot play good damping effect; Two, under long-term high loading runs, the iterative cycles built-in oil-containing damping material that weares and teares can cause this vibration damper damping performance sharp-decay; Three, cylinder wraparound rotating shaft cannot be suppressed well to twist mode, and it is a kind of principal oscillation mode shown in washing machine suspension system natural frequency, and vibrational energy is high.
Summary of the invention
In view of this, the invention provides a kind of vibration damper and electric equipment, main purpose is the damping effect improving vibration damper, reduces vibrations during electric equipment work.
For achieving the above object, the present invention mainly provides following technological scheme:
On the one hand, embodiments of the invention provide a kind of vibration damper, comprising:
Main body and slave part, described main body and described slave part include piston rod and sleeve, and described piston rod can move along described slip expansion, and the fore and aft motion of described piston rod is subject to damping force;
Described main body and described slave part connect and compose man type; The auxiliary set cylinder of described slave part is articulated with described master collet outer wall.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, damping material is provided with between described piston rod and sleeve.
Preferably, described damping material is oil-containing damping material.
Preferably, the main piston rod of described main body and the auxiliary piston rod of described slave part are hinged on the standing part of external equipment respectively, the master collet of described main body and the motion parts of external equipment hinged.
Preferably, the length of described slave part is less than the length of described main body, and described master collet afterbody supports the motion parts of described external equipment obliquely.
Preferably, the angle of described main body and described slave part is acute angle.
On the other hand, embodiments of the invention provide a kind of electric equipment, comprising:
Housing and the motion parts be arranged in described housing and standing part;
At least two above-mentioned vibration dampers;
Described vibration damper is hinged to be installed between described motion parts and described standing part.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Preferably, described standing part comprises chassis, and piston rod one end and the described chassis of described vibration damper are hinged;
Described motion parts hangs on the housing, and sleeve one end of described vibration damper is hinged on the bottom of described motion parts.
Preferably, described vibration damper is 2, and 2 described vibration dampers are installed on the relative both sides on described chassis respectively, and the true dip direction of two absorber main body parts in opposite directions.
Preferably, described vibration damper is 3, and 3 described vibration dampers are all arranged on described chassis;
Wherein the first vibration damper is arranged on separately the one side on described chassis, and second, third vibration damper is disposed in parallel in the relative another side with described chassis;
In opposite directions, and described first vibration damper is arranged on the perpendicular bisector of the line of second, third vibration damper described for described first vibration damper and the true dip direction of the main body of second, third vibration damper described that is set up in parallel.
By technique scheme, a kind of vibration damper of the present invention and electric equipment at least have following advantages:
Technological scheme provided by the invention is by arranging described main body and described slave part, described main body and described slave part include piston rod and sleeve, described piston rod can move along described slip expansion, and the fore and aft motion of described piston rod is subject to damping force, owing to being connected with described vibration damper between described motion parts and described standing part, cut down when the vibrations produced are delivered to described standing part when therefore making described motion parts move.Simultaneously, further, because described main body becomes herringbone structure with described slave part, the auxiliary set cylinder of described slave part is articulated with described master collet outer wall, the power that described slave part is subject to has component along orthogonal both direction, a part of component that wherein a part of component and described main body are subject to cancels each other, thus the motion parts further reducing external equipment passes to the active force of standing part, shock-absorbing main bodies part and the acting in conjunction of damping slave part, add the working life of vibration damper especially main body, delay the decay of vibration damper damping performance, therefore improve the damping effect of vibration damper, further reduce vibrations during equipment work.
Preferably, the main piston rod of described main body and the auxiliary piston rod of described slave part are hinged on the standing part of external equipment respectively, the master collet of described main body and the motion parts of external equipment hinged fixing, when being applied on washing machine, reducing complete machine high speed drying process and occur that phenomenon " toppled over " by " walk about " phenomenon and complete machine of lower margin.
Further, when the vibration damper that the embodiment of the present invention provides is installed on roller washing machine, cylinder wraparound rotating shaft can be suppressed well to twist mode.
Further, the vibration damper that the embodiment of the present invention provides is easy for installation, and slave part adopts articulated manner, not only installs simple and convenient, also there is not the space interference phenomenon with other interior arrangements.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is shock absorber structure schematic diagram of the prior art;
Fig. 2 is vibration damper of the prior art mounting structure schematic diagram in a device;
Fig. 3 is the structural representation of a kind of vibration damper that one embodiment of the present of invention provide;
Fig. 4 is the force analysis diagram of a kind of vibration damper that one embodiment of the present of invention provide;
Fig. 5 is the structural representation of a kind of electrical equipment that one embodiment of the present of invention provide;
Fig. 6 is the force analysis diagram one of a kind of electrical equipment that one embodiment of the present of invention provide;
Fig. 7 is the force analysis diagram two of a kind of electrical equipment that one embodiment of the present of invention provide.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the embodiment of the present patent application, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
As shown in Figure 3, a kind of vibration damper that one embodiment of the present of invention propose, comprise main body 10 and slave part 20, described main body 10 and described slave part 20 include piston rod and sleeve, described piston rod can move along described slip expansion, and the fore and aft motion of described piston rod is subject to damping force.Described main body 10 and described slave part 20 connect and compose man type, and the auxiliary set cylinder 22 of described slave part 20 is articulated with described master collet 12 outer wall.
Preferably, the main piston rod 11 of described main body 10 and the auxiliary piston rod 21 of described slave part 20 are hinged on the standing part of external equipment respectively, and the master collet 12 of described main body 10 is hinged with the motion parts of external equipment.
Technological scheme provided by the invention is by arranging described main body and described slave part, described main body and described slave part include piston rod and sleeve, described piston rod can move along described slip expansion, and the fore and aft motion of described piston rod is subject to damping force, owing to being connected with described vibration damper between described motion parts and described standing part, cut down when the vibrations produced are delivered to described standing part when therefore making described motion parts move.Simultaneously, further, because described main body becomes herringbone structure with described slave part, the auxiliary set cylinder of described slave part is articulated with described master collet outer wall, the power that described slave part is subject to has component along orthogonal both direction, a part of component that wherein a part of component and described main body are subject to cancels each other, thus the motion parts further reducing external equipment passes to the active force of standing part, therefore improve the damping effect of vibration damper, further reduce vibrations during equipment work.
Preferably, damping material is provided with between described piston rod and sleeve.
Damping material can be gas, liquid or solid, also can be used in combination.Such as, when damping material is gas, air damper can be used; When damping material is liquid, hydraulic damper can be used; When damping material is solid, spring-damper can be used.Preferably, described damping material is oil-containing damping material, to reduce surface friction drag.Preferably, oil-containing damping material is siliceous fatty oil cotton material, is placed between piston and loop bar, has viscous damping effect.
Preferably, when described main body 10 be air damper or hydraulic damper or spring-damper time, described slave part 20 also can be air damper or hydraulic damper or spring-damper.Below these three kinds of damping shock absorbers are briefly described one by one.
The resisting medium of air damper is air, is a kind of damping device utilizing air viscosity, can overcome some shortcoming of liquid sticky damping.Because the compressibility of air is comparatively large, therefore larger displacement can be born.Relative to liquid, the viscosity of air varies with temperature not quite, and thus performance is more stable.
The structure of hydra-shock absorber is with inhalation type pump basic simlarity, and difference is the cylinder body upper end of hydraulic damper is closed, and the piston valve be connected with piston rod leaves aperture.When piston relatively moves down in inner cylinder tube, the oil on the downside of the inner carrier of inner cylinder tube chamber is flowed on the upside of piston by the aperture on piston valve.Meanwhile, this part oil is also flowed in the oil pocket between inside and outside cylinder barrel by the aperture on bottom valve.Like this with regard to impact load of effectively having decayed.When piston moves up relative to cylinder barrel, the aperture of the oil on the upside of inner cylinder tube piston on piston valve flows to downside.Now when fluid flows through in aperture process, very large resistance can be subject to, this creates the terminal good damping function, serve the object of damping.
Damping spring vibration damper is provided with spring between piston rod and sleeve, in order to shock absorbing load, realizes damping object.
Further, as shown in Figure 3, the length of described slave part 20 is preferably less than the length of described main body 10, and described master collet afterbody supports the motion parts of described external equipment obliquely.It should be noted that, the length of described slave part 20 mentioned here is less than the length of described main body 10, refers to the length when piston rod of described slave part and described main body stretches out simultaneously or retracts simultaneously.When motion parts is in the top of described vibration damper, described main body 10 and described slave part 20 play a supportive role simultaneously.
Preferably, as shown in Figure 3, described slave part 20 is acute angle with the angle of described main body 10.
During practical application, as shown in Figure 4, hinged between master collet 12 and auxiliary set cylinder 22.Force analysis carries out to described vibration damper as follows: in figure, F1 represents main body damping force (X, Y-direction component Fx1, Fy1), F2 represents slave part damping force (X, Y-direction component Fx2, Fy2), then make a concerted effort Fv=Fy1+Fy2, substantially horizontal of vertical component is made a concerted effort Fh=Fx1-Fx2.Visible, main body 10 and slave part 20 power in the horizontal direction can cancel each other a part, thus reduce vibrations.
As shown in Figure 5, an alternative embodiment of the invention provides a kind of electric equipment, comprises housing 100 and the motion parts 200 be arranged in described housing 100 and standing part 300, also comprises at least two vibration dampers 400.Sleeve one end of described vibration damper 400 is connected with described motion parts 200, and piston rod one end of described vibration damper 400 is connected with described standing part 300.
Wherein, described vibration damper, comprising:
Main body and slave part, described main body and described slave part include piston rod and sleeve, and described piston rod can move along described slip expansion, and the fore and aft motion of described piston rod is subject to damping force;
Described main body and described slave part connect and compose man type, and the auxiliary set cylinder of described slave part is articulated with described master collet outer wall;
Described vibration damper is hinged to be installed between described motion parts and described standing part.
Preferably, the main piston rod of described main body and the auxiliary piston rod of described slave part are hinged on the standing part of external equipment respectively, the master collet of described main body and the motion parts of external equipment hinged.
The embodiment of described vibration damper refers to the embodiment in embodiment above, repeats no more here.
Further, as shown in Figure 5, described standing part 300 can comprise chassis 310, and piston rod one end of described vibration damper 400 is fixedly connected with described chassis 310.
Described motion parts 200 is suspended on described housing 100, and sleeve one end of described vibration damper 400 is connected to the bottom of described motion parts 200.
Vibration damper 400 can be two, is installed on the relative both sides on described chassis 310 respectively, and the true dip direction of two vibration damper 400 main bodys in opposite directions.
Further, as shown in Figure 5, described vibration damper 400 can be 3, and 3 described vibration dampers 400 are all arranged on described chassis 310.Wherein the first vibration damper 410 is arranged on separately the one side on described chassis 310, and the second vibration damper 420 and the 3rd vibration damper 430 are disposed in parallel in the relative another side with described chassis 310.
The true dip direction of the main body of described first vibration damper 410 and described second vibration damper 420 be set up in parallel, the 3rd vibration damper 430 in opposite directions.Preferably, described first vibration damper 410 is arranged on the perpendicular bisector of the line of described second vibration damper 420 and the 3rd vibration damper 430.
During practical application, as shown in Figure 5, hinged between master collet 12 and auxiliary set cylinder 22.Here for roller washing machine, embody rule is described.Tail end and the roller washing machine rotating drum outer barrel (i.e. motion parts 200) of described master collet 12 are hinged, described main piston rod 11 and auxiliary piston rod 21 hinged with casing of washing machine chassis 310.During final assembly, be first installed on washing machine rotating drum by 3 described vibration dampers 400, then washing machine drum is suspended on housing 100.As shown in Figure 5, described first vibration damper 410 is arranged on the left of chassis 310, and described second vibration damper 420 and described 3rd vibration damper 430 are disposed in parallel on the right side of chassis 310.Force analysis is as follows: single absorber main body part and slave part force analysis: F1 main body damping force (X, Y-direction component Fx1, Fy1), F2 slave part damping force (X, Y-direction component Fx2, Fy2), Fv=Fy1+Fy2, Fh=Fx1-Fx2.Fv1 is the power of the Vertical direction that the first vibration damper 410 is subject to; The power of the Vertical direction be subject to due to the second vibration damper 420 and the 3rd vibration damper 430 is equal, therefore represents the power of the Vertical direction that the second vibration damper 420 or the 3rd vibration damper 430 are subject to Fv2.Fh1 represents the power of the substantially horizontal that the first vibration damper 410 is subject to.The power of the substantially horizontal be subject to due to the second vibration damper 420 and the 3rd vibration damper 430 is equal, and direction is identical, therefore represents the power of the substantially horizontal that the second vibration damper 420 or the 3rd vibration damper 430 are subject to Fh2.
As shown in Figure 6 and Figure 7, final assembly body force analysis is: the vertical resultant Fv that 3 vibration dampers 400 are subject to
always=Fv1+2 × Fv2, Fh
always=2 × Fh2 – Fh1.Complete machine and bottom surface contact are analyzed: maximum static friction force Ff
always=μ × Fv
always, bottom contact position friction Fh
ground is total=Fh
always.Roller washing machine is in drying process, there is clothing unbalance loading, namely there is transient state centrifugal load, mean when eccentric load moves to top or least significant end, the effect of instantaneous acceleration load is had to the shock damper in suspension system, correspondingly load is passed to casing link position by shock damper, causes complete machine reaction of bearing Fv
alwaysincrease.Thus, maximum static friction force Ff
alwaysincrease, bottom contact position friction Fh
ground is totalreduce, reduce complete machine high speed drying process and occur that phenomenon " toppled over " by " walk about " phenomenon and complete machine of lower margin.
Technological scheme provided by the invention is by arranging described main body and described slave part, described main body and described slave part include piston rod and sleeve, described piston rod can move along described slip expansion, and the fore and aft motion of described piston rod is subject to damping force, owing to being connected with described vibration damper between described motion parts and described standing part, cut down when the vibrations produced are delivered to described standing part when therefore making described motion parts move.Simultaneously, further, because described main body becomes herringbone structure with described slave part, the auxiliary set cylinder of described slave part is articulated with described master collet outer wall, the power that described slave part is subject to has component along orthogonal both direction, a part of component that wherein a part of component and described main body are subject to cancels each other, thus the motion parts further reducing external equipment passes to the active force of standing part, therefore improve the damping effect of vibration damper, further reduce vibrations during equipment work.
To sum up, those skilled in the art are it is easily understood that under the prerequisite of not conflicting, and above-mentioned each advantageous manner freely can combine, superpose.
The above, it is only preferred embodiment of the present invention, not do any pro forma restriction to the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a vibration damper, is characterized in that, comprising:
Main body and slave part, described main body and described slave part include piston rod and sleeve, and described piston rod can move along described slip expansion, and the fore and aft motion of described piston rod is subject to damping force;
Described main body and described slave part connect and compose man type; The auxiliary set cylinder of described slave part is articulated with described master collet outer wall.
2. vibration damper according to claim 1, is characterized in that, is provided with damping material between described piston rod and sleeve.
3. vibration damper according to claim 2, is characterized in that, described damping material is oil-containing damping material.
4. the vibration damper according to any one of claim 1-3, it is characterized in that, the main piston rod of described main body and the auxiliary piston rod of described slave part are hinged on the standing part of external equipment respectively, the master collet of described main body and the motion parts of external equipment hinged.
5. vibration damper according to claim 4, is characterized in that,
The length of described slave part is less than the length of described main body, and described master collet afterbody supports the motion parts of described external equipment obliquely.
6. vibration damper according to claim 5, is characterized in that,
The angle of described main body and described slave part is acute angle.
7. an electric equipment, is characterized in that, comprising:
Housing and the motion parts be arranged in described housing and standing part;
The vibration damper described in any one at least two the claims 1 ~ 6;
Described vibration damper is hinged to be installed between described motion parts and described standing part.
8. electric equipment according to claim 7, is characterized in that,
Described standing part comprises chassis, and piston rod one end and the described chassis of described vibration damper are hinged;
Described motion parts hangs on the housing, and sleeve one end of described vibration damper is hinged on the bottom of described motion parts.
9. electric equipment according to claim 8, is characterized in that,
Described vibration damper is 2, and 2 described vibration dampers are installed on the relative both sides on described chassis respectively, and the true dip direction of two absorber main body parts in opposite directions.
10. electric equipment according to claim 8, is characterized in that,
Described vibration damper is 3, and 3 described vibration dampers are all arranged on described chassis;
Wherein the first vibration damper is arranged on separately the one side on described chassis, and second, third vibration damper is disposed in parallel in the relative another side with described chassis;
In opposite directions, and described first vibration damper is arranged on the perpendicular bisector of the line of second, third vibration damper described for described first vibration damper and the true dip direction of the main body of second, third vibration damper described that is set up in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053412.0A CN105465262B (en) | 2016-01-25 | 2016-01-25 | A kind of damper and electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053412.0A CN105465262B (en) | 2016-01-25 | 2016-01-25 | A kind of damper and electric equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105465262A true CN105465262A (en) | 2016-04-06 |
| CN105465262B CN105465262B (en) | 2017-10-31 |
Family
ID=55603285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610053412.0A Active CN105465262B (en) | 2016-01-25 | 2016-01-25 | A kind of damper and electric equipment |
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| Country | Link |
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| CN (1) | CN105465262B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637803A (en) * | 2016-08-24 | 2017-05-10 | 海信（山东）冰箱有限公司 | Multi drum washing machine |
| CN106637802A (en) * | 2016-08-24 | 2017-05-10 | 海信（山东）冰箱有限公司 | Three-drum washing machine |
| CN106637832A (en) * | 2016-08-24 | 2017-05-10 | 海信（山东）冰箱有限公司 | Water-dividing system of multi-cylinder washing machine and control method thereof, and multi-cylinder washing machine |
| CN106637816A (en) * | 2016-08-24 | 2017-05-10 | 海信（山东）冰箱有限公司 | Three-drum washing machine |
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| CN1554542A (en) * | 2003-12-22 | 2004-12-15 | 安徽飞彩车辆股份有限公司 | Motor vehicle front wheel damper |
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| CN106637803A (en) * | 2016-08-24 | 2017-05-10 | 海信（山东）冰箱有限公司 | Multi drum washing machine |
| CN106637802A (en) * | 2016-08-24 | 2017-05-10 | 海信（山东）冰箱有限公司 | Three-drum washing machine |
| CN106637832A (en) * | 2016-08-24 | 2017-05-10 | 海信（山东）冰箱有限公司 | Water-dividing system of multi-cylinder washing machine and control method thereof, and multi-cylinder washing machine |
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| CN106637816B (en) * | 2016-08-24 | 2020-03-27 | 海信（山东）冰箱有限公司 | Three-drum washing machine |
| CN106637803B (en) * | 2016-08-24 | 2020-03-27 | 海信（山东）冰箱有限公司 | Multi-drum washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105465262B (en) | 2017-10-31 |
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