CN106930046A - A kind of washing machine mutative damp vibration absorber and washing machine - Google Patents
A kind of washing machine mutative damp vibration absorber and washing machine Download PDFInfo
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- CN106930046A CN106930046A CN201511028796.2A CN201511028796A CN106930046A CN 106930046 A CN106930046 A CN 106930046A CN 201511028796 A CN201511028796 A CN 201511028796A CN 106930046 A CN106930046 A CN 106930046A
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- damping
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- washing machine
- suspension rod
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- 238000005406 washing Methods 0.000 title claims abstract description 69
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 32
- 238000013016 damping Methods 0.000 claims abstract description 155
- 239000000725 suspension Substances 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000018044 dehydration Effects 0.000 claims abstract description 24
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 24
- 230000008859 change Effects 0.000 claims abstract description 5
- 210000002435 tendon Anatomy 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 239000010426 asphalt Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 244000261422 Lysimachia clethroides Species 0.000 claims description 5
- 239000010985 leather Substances 0.000 claims 1
- 230000001629 suppression Effects 0.000 abstract description 3
- 208000005156 Dehydration Diseases 0.000 description 22
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a kind of washing machine mutative damp vibration absorber and washing machine, the mutative damp vibration absorber includes suspension rod, pop-up, sleeve pipe and the pressure buffer mechanism being located in sleeve pipe, sleeve upper end has bracket, suspension rod runs through pop-up, bracket, extend and be connected with pressure buffer mechanism in sleeve pipe, at least one damping sleeve being enclosed within suspension rod is provided between described pop-up and pressure buffer mechanism, damping sleeve is supplied to the variable damping force of suspension rod.When washing machine starts dehydrating operation, unbalance loading is excessive, and outer barrel applies eccentric force to damping sleeve, and damping sleeve radial direction deformation extruding suspension rod, damping force becomes big；Dehydration is remained in operation, and unbalance loading diminishes, and discharges eccentric force of the outer barrel to damping sleeve, and damping sleeve recovers, and damping force diminishes.The present invention can steadily change the coefficient of elasticity of suspension rod vibration damping, improve damping property, reduce operating noise, enhance effectiveness in vibration suppression.
Description
Technical field
The present invention relates to washing machine technology field, specifically washing machine vibration absorber, especially a kind of washing machine mutative damp vibration damping dress
Put and using the washing machine of the vibration absorber.
Background technology
Existing washing machine is divided into rotary drum washing machine and roller washing machine, and the structure of wherein pulsator washing machine includes：Formation is washed
The housing of clothing machine outward appearance；It is provided with the inside of housing and the outer barrel fixed and for accommodating washings is hung by supporting member；Can
It is rotatably mounted on the inside of outer barrel and its bottom is provided with the interior bucket of agitator；Installed in the downside of outer barrel and for producing
The motor of the driving force of agitator and interior bucket；For the driving force of motor to be selectively supplied into agitator and interior bucket
Power transmission；Drainage arrangement installed in the bottom of outer barrel and for discharging from the washings accommodated in outer barrel to outside, outward
Bucket is hung by derrick rig and is arranged on housing.
At present, derrick rig includes suspension rod, gooseneck bracket, ball seat, spring and spring base, and gooseneck bracket is arranged on suspension rod top, bullet
Spring abutment, spring and ball seat are extended upward through on suspension rod successively by the bottom of suspension rod, and friction plate is cased with ball seat；On washing machine shell
Spherical groove is provided with, convex spherical and the spherical groove on housing of gooseneck bracket coordinate；The bottom of outer barrel also has spherical groove,
The convex spherical of ball seat coordinates with the spherical groove of outer barrel bottom, so as to inner barrel and outer barrel is suspended on washing machine shell.
Washing machine makes the vibration that outer barrel is produced ball seat can be caused to move up and down when working, ball seat and then by telescopic spring, friction plate
Damping force is produced with suspension rod reciprocating friction, so as to suppress vibration, the purpose for improving complete machine oscillation noise level is reached.
But, due to being single spring structure, the change of suspension rod coefficient of elasticity is small, is just lost after single spring compresses completely and subtracted
Bestir oneself use, thus in washing of drum type washing machine and dehydration, suspension rod can not well play damping effect, cause vibration of washing machine big with
And displacement is big.In dehydration transient phases, built-in system vibration is larger, it is necessary to derrick rig provides relatively large damping force
To suppress built-in system vibration；In dehydration steady-state process, built-in system vibration is smaller, then need derrick rig to provide relatively small
Damping force isolating vibration；And above-mentioned derrick rig is only capable of providing single damping force by friction plate, and during derrick rig assembling,
Ball holder surface understands grease to improve lubricating condition；So internally larger dehydration transient phases of system vibration, derrick rig
Damping force can often be difficult to the operating vibration of suppression system；The internally less dehydration steady-state process of system vibration, in the viscous of grease
Property effect and suspension rod damping force effect under, the upper and lower play of derrick rig can be caused again, there is abnormal vibration noise problem.
The Chinese patent of Application No. 200810243936.1 discloses a kind of cluster spring vibration damping suspension rod, including the body of rod, connecting seat,
Mounting seat, one group of spring and fixed seat, connecting seat are located at the top of the body of rod, and the body of rod is arranged on washing machine shell by connecting seat；
Mounting seat is located at body of rod bottom and is used for installing outer barrel of washing machine；Fixed seating is mounted in the body of rod in the bottom of the body of rod, one group of spring housing
Above and between mounting seat and fixed seat, it is cascaded by adapter sleeve between one group of spring.
Although said structure provides damping force using the spring of one group of series connection, the series system and not solving is carried in dehydration moment
For relatively large damping force with suppress built-in system vibration problem；In addition, if shock absorber overall length is constant, two groups of bullets
The length of spring must reduce, and relatively increase the coefficient of elasticity of two springs, and spring deformation is smaller, it is impossible in the dehydration stabilization sub stage,
Less damping force is provided；According to the length of existing spring, then the relative increase overall length of shock absorber, reduces outer barrel
The stability of swing, especially in dehydration, easily bias makes bucket, produces noise.
In view of this it is special, propose the present invention.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, there is provided a kind of washing machine mutative damp vibration absorber,
The device can steadily change the coefficient of elasticity of suspension rod vibration damping, improve damping property, reduce vibration of washing machine and displacement, and energy
Reduce noise.
Another object of the present invention is to provide the washing machine with the mutative damp vibration absorber.
In order to solve the above technical problems, the present invention is using the basic conception of technical scheme：
A kind of washing machine mutative damp vibration absorber, including suspension rod, pop-up, sleeve pipe and the pressure buffer mechanism that is located in sleeve pipe, set
Pipe upper end has a bracket, and suspension rod runs through pop-up, bracket, extends and is connected with pressure buffer mechanism in sleeve pipe, described pop-up and pressure
At least one damping sleeve being enclosed within suspension rod is provided between power buffer gear, damping sleeve is supplied to the variable damping force of suspension rod.Further
, the damping in the middle of pop-up and pressure buffer mechanism is set between pop-up and bracket, and/or is arranged on bracket and pressure buffer
Between mechanism, damping sleeve is deformed upon, inwardly extruding, and the frictional force between damping sleeve and suspension rod increases.
Further, described damping sleeve is provided with variable damper structure, and variable damper structure bears axle and upwards pressure so that damping
Set radial direction deformation, internal diameter diminishes, and damping force becomes big.
Further, described variable damper structure includes the first variable damper structure and/or the second variable damper structure, the first mutative damp knot
Pressure conversion axially downwardly to damping sleeve is the radially inner extruding force of damping sleeve by structure, and internal diameter reduces, and suspension rod damping force becomes big,
Support force axially upwards to damping sleeve is converted to the radially inner extruding force of damping sleeve by the second variable damper structure, and internal diameter reduces,
Suspension rod damping force becomes big.
Further scheme is that a damping sleeve is provided between described pop-up and bracket, and described damping sleeve includes a support pop-up
Pallet, stretch to support set in bracket and through pallet and the hanger erection hole of support set, described support located at pallet lower section
Disk and/or support set are provided with after stress so that the variable damper structure that diminishes of damping sleeve internal diameter.The described damping sleeve T-shaped knot of one
Structure, is damping rubber set.
Further, described bracket is provided with the mounting groove of opening upwards, and suspension rod runs through bracket, suspension rod and installation from mounting groove
There is a circle space between groove inwall, the receiving portion for accommodating support set is constituted, the variable damper structure on support set is opened with mounting groove
Mouth extruding contact, it is preferred that mounting groove protrudes from bracket inwall and forms leading for a guide pressure buffer gear to inside pipe casing extension
Xiang Zhu.
Further, described pressure buffer mechanism include shock-absorbing spring, shock-absorbing spring support, containing asphalt felt, Sliding seal cup and under
Supporting pad, shock-absorbing spring upper end is connected with bracket support, and lower end is supported on shock-absorbing spring support top, containing asphalt felt, Sliding seal cup
And lower supporting pad is sequentially arranged in shock-absorbing spring support lower section.
Or, further alternative is that described pressure buffer mechanism includes upper spring seat, shock-absorbing spring and lower spring cup,
Shock-absorbing spring is arranged between upper spring seat and lower spring cup, and damping sleeve is provided between described bracket and upper spring seat, described
The pallet of damping sleeve an including Support bracket, support set in upper spring seat is stretched to located at pallet lower section and through pallet and support
The hanger erection hole of set, described pallet and/or support set is provided with after stress so that the variable damper structure that diminishes of damping sleeve internal diameter.
The described damping sleeve T-shaped structure of one, is damping rubber set.
Further, described upper spring seat top is provided with mounting groove, and bottom is provided with the mounting post of positioning shock-absorbing spring, suspension rod from
Run through mounting post in mounting groove, there is a circle space between suspension rod and mounting groove inwall, constitute the receiving portion for accommodating support set, branch
Variable damper structure on support set is contacted with the opening extruding of mounting groove, it is preferred that described mounting post is from the mounting groove to downward
Stretch composition.
Further, described lower spring cup is including shock-absorbing spring support, containing asphalt felt, Sliding seal cup and lower supporting pad, vibration damping bullet
Spring upper end is connected with upper spring seat support, and lower end is supported on shock-absorbing spring support top, containing asphalt felt, Sliding seal cup and lower supporting pad
It is sequentially arranged in shock-absorbing spring support lower section.
Further, described tray upper surface is provided with an at least annular projection along hanger erection hole periphery, and annular projection is certainly introversive
Outer progressively lower, surface is in globoidal structure, and the annular projection is the variable damper structure on pallet, it is preferred that tray upper surface is provided with
Two annular projections of concentric.
Further, described support set perisporium is provided with least one compression convex tendon, and compression convex tendon protrudes from the height on support set surface
Degree is axially gradually high from bottom to top along support set, and the compression convex tendon is the variable damper structure on support set, it is preferred that compression convex tendon
It is 3-8 bars, is distributed uniformly and circumferentially.
Further, at least one damping convex tendon is provided with the inwall in the hanger erection hole vertically, it is preferred that damping convex tendon is
2-6 bars, are distributed uniformly and circumferentially.
Further, described pressure buffer mechanism includes shock-absorbing spring, and shock-absorbing spring is by the first spring being connected in series and second
Spring is constituted, and the inside that the end of the first spring extends to second spring by connecting support member is connected with second spring.First bullet
The coefficient of elasticity of spring is k1, and the coefficient of elasticity of second spring is k2, k1 ＞ k2, and total coefficient of elasticity is k=1/ (1/k1+1/k2).
Further, described connection support member includes the first supporting part, the connecting portion of two supporting parts of the second supporting part and connection,
The support direction of two supporting parts is oppositely arranged, and the first supporting part supports the first spring to extend to the one end inside second spring, second
Supporting part support second spring is enclosed within the one end outside the first spring.
Further, described connection support member is tubular construction, and one end bends inwards to form the first supporting part, and the other end is outside
The second supporting part is bent to form, the first spring one end is stretched into and is supported on the first supporting part inside connection support member, second spring one
End is enclosed within connection support member external support on the second supporting part.
Further, the first described supporting part inside edge is bent to form the first of the first spring end of positioning to the first spring direction
Limiting section, the second supporting part outer edge is bent to form the second limiting section of positioning second spring end to second spring direction.
Further, described lead column or mounting post lower surface are provided with the spring location and installation groove of annular, it is preferred that lead column
Or the length of mounting post is not more than the distance between second supporting part to the first supporting part.That is, no more than the first spring stretches into company
Connect the length inside support member.
Further, the first described spring is different with the elastic system of second spring.
Preferably, coefficient of elasticity of the coefficient of elasticity of the first spring more than second spring.
It is furthermore preferred that length of the length of first spring less than second spring.
Washing machine of the present invention with above-mentioned mutative damp vibration absorber, when washing machine starts dehydrating operation, unbalance loading is excessive, outer barrel
Apply eccentric force to damping sleeve, damping sleeve radial direction deformation extruding suspension rod, damping force becomes big；Dehydration is remained in operation, and unbalance loading diminishes,
Eccentric force of the outer barrel to damping sleeve is discharged, damping sleeve recovers, and damping force diminishes.
Further, eccentric force is bigger, and damping sleeve is bigger to the damping force of suspension rod, and eccentric force is smaller, resistance of the damping sleeve to suspension rod
Buddhist nun's power is smaller.
Further, outer barrel gross weight returns damping sleeve applying pressure, when starting dehydrating operation, is applied to the pressure of damping sleeve most
Greatly, damping force is maximum, and in dehydration, as the water in clothing is thrown out of, the pressure for being applied to damping sleeve diminishes, damping force
Diminish.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
Current washing machine capacity is increasing, is dehydrated the problem for starting and is increasingly difficult to solve, and is filled using mutative damp vibration damping of the present invention
Put, existing shock-absorbing spring can be made up and be dehydrated when starting in high-capacity washing machine, load inequality is easily pressed and causes noise big
Problem.
Washing machine of the present invention realizes the dual-use function that transient state dehydration suppresses vibration and stable state dehydration isolation vibration simultaneously, enters
And the vibrating noise level in water smoking can be effectively improved, also effectively prevent the problem of the upper and lower play of vibration absorber.
Washing machine mutative damp vibration absorber of the present invention, the change of coefficient of elasticity is realized in washing and water smoking, is improve
Damping property, reduces vibration of washing machine and displacement and reduces noise, than general damping means damping capacity lifting 50%
More than, it is generally applicable to rotary drum washing machine.
Two springs series connection of pressure buffer mechanism, the cascaded structure of another spring is stretched into using a spring, reduces two springs total
Length, total spring constant can also diminish, and because the spring constant of the first spring is larger, the dehydration of such washing machine carries model
Enclosing to expand, and good effect of vibration and noise reduction can be played in small load, also can improve dehydration startability in relatively large load
Can, play more preferable effect for the dewatering stability of washing machine.
Two serial springs of the present invention work simultaneously when, coordinate the mutative damp effect of damping sleeve, it is to avoid coefficient of elasticity mutation is led
Cause the problem of the upper and lower play of vibration absorber so that vibration reduction and cushioning is more steady, improves damping property, enhances effectiveness in vibration suppression.
Brief description of the drawings
Fig. 1 is washing machine mutative damp damping device structure schematic diagram of the present invention；
Fig. 2 is washing machine mutative damp vibration absorber section structure schematic diagram of the present invention；
Fig. 3 is washing machine mutative damp vibration absorber assembling structure schematic diagram of the present invention；
Fig. 4 and Fig. 5 are the structural representations of damping sleeve different visual angles of the present invention；
Fig. 6 is the A portions enlarged diagram in Fig. 2；
Fig. 7 is the structural representation of present invention connection support member；
Fig. 8 to Figure 11 is respectively other different structure schematic diagrames of washing machine mutative damp vibration absorber of the present invention.
Specific embodiment
Specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1 to 11, washing machine mutative damp vibration absorber of the present invention, including suspension rod 1, pop-up 2, sleeve pipe
3 and the pressure buffer mechanism that is located in sleeve pipe 3, the upper end of sleeve pipe 3 is integrally formed with bracket 6, and lower end is provided with bottom 30, suspension rod 1
Through pop-up 2, bracket 6, extend and be connected with pressure buffer mechanism in sleeve pipe 3, between described pop-up 2 and pressure buffer mechanism
At least one damping sleeve 8 being enclosed within suspension rod 1 is provided with, damping sleeve 8 is supplied to the variable damping force of suspension rod 1.Pop-up 2 and pressure
Damping sleeve 8 in the middle of buffer gear is arranged between pop-up 2 and bracket 6, and/or be arranged on bracket 6 and pressure buffer mechanism it
Between, outer barrel of washing machine applies external force and causes that damping sleeve 8 is deformed upon, inwardly extruding, the friction between damping sleeve 8 and suspension rod 1
Power increases.
Further, described damping sleeve 8 is provided with variable damper structure, and variable damper structure stress, damping sleeve 8 radially occurs shape
Become, internal diameter diminishes, extrude suspension rod 1, damping force increase.
As shown in Figure 4 and Figure 5, variable damper structure includes the first variable damper structure 10 and/or the second variable damper structure 11, first
Pressure conversion axially downwardly to damping sleeve 8 is the radially inner extruding force of damping sleeve 8 by variable damper structure 10, and internal diameter reduces,
Suspension rod damping force becomes big, the second variable damper structure 11 support force of damping sleeve 8 will be converted to axially upwards the radial direction of damping sleeve 8 to
Interior extruding force, internal diameter reduces, and suspension rod damping force becomes big.
Embodiment one
As shown in Fig. 2, Fig. 3, Fig. 6 and Figure 10, the damping sleeve 8 described in the present embodiment is located at described pop-up 2 and bracket 6
Between, described damping sleeve 8 includes the pallet 81 of a support pop-up 2, the branch stretched to located at the lower section of pallet 81 in bracket 6
Support set 82 and axially penetrate through the hanger erection hole 83 of pallet 81 and support set 82.Described damping sleeve 8 is damping rubber set,
Overall T-shaped integrative-structure.
Further, as shown in figure 4, described pallet 81 is provided with after stress so that hanger erection hole 83 internal diameter diminishes
One variable damper structure 10, the first variable damper structure 10 supports pop-up 2, the downward pressure of pop-up 2 on the upper surface of pallet 81
The pressure of the radial direction deformation of damping sleeve 8 is converted to, the internal diameter of hanger erection hole 83 reduces, the damping force increase of suspension rod 1.
And/or, as shown in figure 5, described support set 82 is provided with the second variable damper structure 11, the second variable damper structure 11
Bracket 6 is converted into the radially inner extruding force of damping sleeve 8, the contracting of the internal diameter of hanger erection hole 83 to the support force of damping sleeve 8 upwards
Small, suspension rod damping force becomes big.
As shown in fig. 6, the bracket 6 described in the present embodiment is provided with the mounting groove 61 of opening upwards, suspension rod 1 is from mounting groove 61
There is a circle space through bracket 6, between suspension rod 1 and the inwall of mounting groove 61, the receiving portion 62 for accommodating support set 82 is constituted,
The second variable damper structure 11 on support set 82 is contacted with the opening extruding of mounting groove 61,6 pairs of the second variable damper structures of bracket
11 support force is converted into extruding force inwardly to suspension rod 1, so as to provide the variable damping force of suspension rod 1.
Preferably, mounting groove 61 protrudes from the guiding that the inwall of bracket 6 forms a guide pressure buffer gear to extension inside sleeve pipe 3
Post 63.
As shown in Figures 2 and 3, the pressure buffer mechanism described in the present embodiment includes shock-absorbing spring 4, shock-absorbing spring support 51, contains
Asphalt felt 52, Sliding seal cup 53 and lower supporting pad 54, the upper end of shock-absorbing spring 4 are connected with the support of bracket 6, and lower end is supported on and subtracts
Shaken the top of latch bracket 51, and the lower section of shock-absorbing spring support 51 is sequentially arranged in containing asphalt felt 52, Sliding seal cup 53 and lower supporting pad 54.
Embodiment two
As shown in Figure 8 and Figure 11, between bracket 6 and pressure buffer mechanism of the damping sleeve 8 described in the present embodiment described in,
Described pressure buffer mechanism includes upper spring seat 7, shock-absorbing spring 4 and lower spring cup 5, and shock-absorbing spring 4 is arranged on upper spring seat
Between 7 and lower spring cup 5, described damping sleeve 8 includes the pallet 81 of a Support bracket 6, is stretched to located at the lower section of pallet 81
Support set 82 in upper spring seat 7 and axially penetrate through the hanger erection hole 83 of pallet 81 and support set 82.Described damping sleeve 8
It is damping rubber set, overall T-shaped integrative-structure.
Further, described pallet 81 is provided with the first variable damper structure that after stress so that hanger erection hole 83 internal diameter diminishes
10 (referring to Fig. 4), the first variable damper structure 10 turns located at Support bracket 6 on the upper surface of pallet 81, the downward pressure of bracket 6
The pressure of the radial direction deformation of damping sleeve 8 is changed to, the internal diameter of hanger erection hole 83 reduces, the damping force increase of suspension rod 1.
And/or, described support set 82 is provided with the second variable damper structure 11 (refering to Fig. 5), and the second variable damper structure 11 will
Upper spring seat 7 is converted to the radially inner extruding force of damping sleeve 8 to the support force of damping sleeve 8, and the internal diameter of hanger erection hole 83 reduces,
Suspension rod damping force becomes big.
As shown in figure 8, the top of upper spring seat 7 described in the present embodiment is provided with the mounting groove 71 of opening upwards, bottom is provided with positioning
The mounting post 72 of shock-absorbing spring 4, suspension rod 1 runs through mounting post 72 from mounting groove 71, between suspension rod 1 and the inwall of mounting groove 71
With a circle space, the receiving portion 73 for accommodating support set 82 is constituted, the compression convex tendon 85 and mounting groove 71 on support set 82
Opening extruding contact, because compression convex tendon 85 is gradually high from bottom to top, branch of the upper spring seat 7 to compression convex tendon 85 on support set 82
Support force is converted into extruding force inwardly to suspension rod 1, so as to provide the variable damping force of suspension rod 1.
Preferably, described mounting post 72 is extended downwardly by the mounting groove 71 and constituted.
Lower spring cup 5 described in the present embodiment is including shock-absorbing spring support 51, containing asphalt felt 52, Sliding seal cup 53 and lower supporting pad
54, the support of the upper end of shock-absorbing spring 4 and upper spring seat 7 be connected, and lower end is supported on above shock-absorbing spring support 51, containing asphalt felt 52,
Sliding seal cup 53 and lower supporting pad 54 are sequentially arranged in the lower section of shock-absorbing spring support 51.
Embodiment three
The present embodiment is the combination of embodiment one and embodiment two, as shown in figure 9, between described pop-up 2 and bracket 6, and
A damping sleeve 8 is respectively equipped between described bracket 6 and pressure buffer mechanism.
Example IV
As shown in figure 4, the upper surface of pallet 81 described in the present embodiment is provided with annular projection 84, ring along the periphery of hanger erection hole 83
Shape projection 84 is progressively lower from inside to outside, and surface is cambered surface, the overall segment shape structure run through in center, and hanger erection hole 83 is run through
Center, described pop-up 2 and/or the bottom of bracket 6 and the contact surface of the upper surface of pallet 81 are the concavity matched with annular projection 84
Stitching surface (refers to Fig. 6), and described annular projection 84 is the first variable damper structure 10 on pallet 81.
Further, the first variable damper structure 10 is the annular projection 84 of inside and outside two concentrics located at the upper surface of pallet 81.
Embodiment five
As shown in figure 5, the perisporium of support set 82 described in the present embodiment is provided with least one compression convex tendon 85, compression convex tendon 85 is dashed forward
Height for the surface of support set 82 is axially gradually high from bottom to top along support set 82, and the compression convex tendon 85 is on support set 82
The second variable damper structure 11.One end that compression convex tendon 85 is upwardly extended is connected smoothly with the lower surface of pallet 81.
Preferably, compression convex tendon 85 is 4-6 bars, is uniformly distributed along the circumferencial direction of support set 82.
Embodiment six
The present embodiment is that the bottom-up external diameter of described support set gradually increases with the difference of embodiment five, support set upper side with
Pallet lower surface seamlessly transits (not shown).
Embodiment seven
As shown in Figure 4 and Figure 5, the present embodiment in be provided with vertically on the inwall in the hanger erection hole 83 at least one damping convex tendon
86, it is preferred that damping convex tendon 86 is 2-4 bars, is distributed uniformly and circumferentially.
Shock-absorbing spring 4 described in the above embodiment of the present invention is a spring (referring to Figure 10 and Figure 11), or is by extremely
The groups of springs (referring to Fig. 2, Fig. 3, Fig. 8 and Fig. 9) that few two spring assemblies are constituted.
Embodiment eight
As shown in Fig. 2, Fig. 3, Fig. 8 and Fig. 9, the shock-absorbing spring 4 described in the present embodiment includes the first spring 41 and the second bullet
Spring 42 is connected in series, and the end of the first spring 41 extends to inside and the second spring of second spring 42 by connecting support member 9
42 connections.
As shown in fig. 7, described connection support member 9 includes the first supporting part 91, two supporting parts of the second supporting part 92 and connection
Connecting portion 93, the support direction of the first supporting part 91 and the second supporting part 92 is oppositely arranged, the support of the first supporting part 91 the
One spring 41 extends to the one end inside second spring 42, and the support of the second supporting part 92 second spring 42 is enclosed within the first spring 41
Outside one end (referring to Fig. 6).
Further, as shown in fig. 6, being combined with embodiment one, the lower surface of lead column 63 of the bottom of bracket 6 is provided with the bullet of annular
Spring location and installation groove 64, the upper end of the first spring 41 is connected with the positioning support of bracket 6, installed in the spring location and installation of annular
In groove 64, the lower end of second spring 42 is supported on lower spring cup 5.As shown in figure 8, being combined with embodiment two, upper spring seat
7 lower surface of mounting post 72 is provided with the spring location and installation groove 74 of annular, and upper end and the upper spring seat 7 of the first spring 41 are positioned
Support connection, in the spring location and installation groove 74 of annular, the lower end of second spring 42 is supported on lower spring cup 5.
Preferably, the length of lead column 63 or mounting post 72 be not more than between the supporting part 91 of the second supporting part 92 to the first away from
From.That is, no more than the first spring 41 stretches into the length inside connection support member 9.
Embodiment nine
As shown in fig. 7, the connection support member 9 described in the present embodiment is tubular construction, one end bends inwards to form the first supporting part
91, other end outward bending forms the second supporting part 92, and the one end of the first spring 41 to be stretched into and be supported on the inside connection support member 9
On one supporting part 91, the one end of second spring 42 is enclosed within the connection external support of support member 9 on the second supporting part 92.
Further, the described inside edge of the first supporting part 91 is bent to form positioning the first spring 41 end to the direction of the first spring 41
First limiting section 94 in portion, the outer edge of the second supporting part 92 is bent to form positioning second spring 42 end to the direction of second spring 42
Second limiting section 95 in portion.
Embodiment ten
The first spring 41 described in the present embodiment is different with the elastic system of second spring 42, it is preferred that the bullet of the first spring 41
Property coefficient is more than the coefficient of elasticity of second spring 42, it is furthermore preferred that the length of first spring 41 is less than second spring 42
Length.
The coefficient of elasticity of the first spring 41 is k1, and the coefficient of elasticity of second spring 42 is k2, k1 ＞ k2, and total coefficient of elasticity is
K=1/ (1/k1+1/k2).
Vibration absorber of the present invention is that 42 two springs of the first spring 41 and second spring rise simultaneously before the pressure of second spring 42 is simultaneously
Effect.After second spring 42 is pressed simultaneously, it is only the first spring 41 and works.The cascaded structure increases the negative of washing machine carrying
Lotus, the phenomenon of total spring constant mutation can later appearance.
When being acted on by external force, suspension rod drives the first spring 41 and second spring 42 to do compression motion, when external force disappears,
Under its own resilient effect, the first spring 41 and second spring 42 do return motion, when the first spring 41 is compressed, first
Partly or entirely being compressed into inside second spring 42 for spring 41, relatively reduces the Oscillation Amplitude of outer barrel.
Embodiment 11
When washing machine is unloaded, second spring 42 is played a major role, and with the increase of amount of inlet water, second spring 42 is acted on gradually
Weaken until being pressed simultaneously, displacement of following the string.First spring 41 is acted on and gradually increased.During to washing machine inflow to full water amount, the
The close state by pressure simultaneously of one spring 41.
The design of the coefficient of elasticity of shock-absorbing spring be respectively according to washing machine is unloaded and different loads and full load etc. are various under the conditions of
Calculate and test verifies what is come.
When being intake in washing machine inner tub and increasing interior bucket weight, positioned at the compressive deformation of 9 lower section second spring of connection support member 42
It is larger, it is smaller positioned at the top compressive deformation of the first spring 41 of connection support member 9.Because second spring 42 is located at connection support member
Between 9 and lower spring cup 5, sleeve pipe 3 is moved downward, and sleeve pipe 3 and connection support member 9 together occur relative displacement with suspension rod 1,
Until be located at the connection lower section second spring 42 of support member 9 being pressed simultaneously, the first spring 41 above connection support member 9 is simultaneously
It is gradually compressed.
In the laundry machine dehydration stage, 42 two springs of the first spring 41 and second spring work simultaneously, because two springs are same
When working the spring constant of cascaded structure be k=1/ (1/k1+1/k2), therefore two coefficient of elasticity K1, K2 of spring
With can be more flexible, adjusting different coefficient of elasticity can make dehydration bearing load scope wider, can carry more dehydrations
Capacity.
When dehydration procedure starts, washing machine first starts draining to washing machine, after washing machine discharges certain water, the first spring 41
Start release, when the first spring 41 has certain pooling feature, washing machine can be carried out low speed dehydrating operation, at this moment first
The buffer displacement of spring 41 is smaller, is not suitable for carrying out the dehydration of high speed.When water is soon drained, second spring 42 starts release,
High speed dewatering is can be carried out when second spring 42 has larger buffer displacement to run.The present invention dehydration when, two bullets
Spring plays a part of vibration and noise reducing simultaneously.
Specifically, during dehydrating operation, operating outer barrel produces nosing force, when nosing force acts on suspension rod 1, with
The shock-absorbing spring that suspension rod 1 is connected is acted on by power, due to the bullet of the coefficient of elasticity more than second spring 42 of the first spring 41
Property coefficient, therefore when being acted on by nosing force, there is larger displacement first in second spring 42, when second spring 42 is complete
During full compression, the first spring 41 now is not fully compressed, when the of short duration disappearance of nosing force, second spring 42 and first
Spring 41 produces restoring force, and the nosing force of outer barrel is consumed release by the restoring force produced by spring, damping means.
Embodiment 12
The present invention is the washing machine with mutative damp vibration absorber described in above-described embodiment, pop-up support outer barrel gooseneck bracket, the knot
The technology that structure is understood by those skilled in the art, this is no longer going to repeat them.Because washing machine is when dehydrating operation is started, partially
Carry excessive, outer barrel can apply damping sleeve 8 of the eccentric force to mutative damp vibration absorber of the present invention, damping sleeve 8 is compressed axially,
Deformation is radially produced so as to extrude suspension rod 1, damping force becomes big；Dehydration is remained in operation, and unbalance loading diminishes, and mutative damp vibration absorber is released
Eccentric force of the outer barrel to damping sleeve 8 is put, damping sleeve 8 recovers, and damping force diminishes.
Further, eccentric force is bigger, and damping sleeve 8 is bigger to the damping force of suspension rod 1, and eccentric force is smaller, and damping sleeve 8 pairs hangs
The damping force of bar 1 is smaller.
Further, outer barrel gross weight returns the applying pressure of damping sleeve 8, when starting dehydrating operation, is applied to the pressure of damping sleeve 8
Power is maximum, and damping force is maximum, and in dehydration, as the water in clothing is thrown out of, the pressure for being applied to damping sleeve 8 diminishes,
Damping force diminishes.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to preferred reality of the invention
Apply example to be described, not the spirit and scope of the present invention are defined, on the premise of design philosophy of the present invention is not departed from,
The various changes and modifications that professional and technical personnel in the art make to technical scheme, belong to protection model of the invention
Enclose.
Claims (10)
1. a kind of washing machine mutative damp vibration absorber, including suspension rod, pop-up, sleeve pipe and the pressure buffer mechanism being located in sleeve pipe,
Sleeve upper end has bracket, and suspension rod runs through pop-up, bracket, extends and is connected with pressure buffer mechanism in sleeve pipe, it is characterised in that：
It is provided with least one damping sleeve being sleeved on suspension rod between described pop-up and pressure buffer mechanism, damping sleeve is supplied to the suspension rod can
The damping force of change.
2. a kind of washing machine mutative damp vibration absorber according to claim 1, it is characterised in that：On described damping sleeve
Variable damper structure is provided with, variable damper structure bears axle and upwards pressure so that damping sleeve radial direction deformation, internal diameter diminishes, damped
Power becomes big.
3. a kind of washing machine mutative damp vibration absorber according to claim 2, it is characterised in that：Described mutative damp knot
Structure includes the first variable damper structure and/or the second variable damper structure, and the first variable damper structure is by pressure axially downwardly to damping sleeve
Be converted to the radially inner extruding force of damping sleeve, internal diameter reduces, suspension rod damping force becomes big, the second variable damper structure will axially to
On the radially inner extruding force of damping sleeve is converted to the support force of damping sleeve, internal diameter reduces, and suspension rod damping force becomes big.
4. a kind of washing machine mutative damp vibration absorber according to claim 1, it is characterised in that：Described pop-up and support
A damping sleeve is provided between frame, described damping sleeve includes the pallet of a support pop-up, stretched in bracket located at pallet lower section
Support set and the hanger erection hole through pallet and support set, described pallet and/or support set cause resistance after being provided with stress
The variable damper structure that Buddhist nun's set internal diameter diminishes；
Preferably, described bracket is provided with the mounting groove of opening upwards, and suspension rod runs through bracket, suspension rod and installation from mounting groove
There is a circle space between groove inwall, the receiving portion for accommodating support set is constituted, the variable damper structure and mounting groove on support set
Opening extruding contact, it is preferred that mounting groove protrudes from bracket inwall and forms a guide pressure buffer gear to inside pipe casing extension
Lead column；
It is also preferred that described pressure buffer mechanism include shock-absorbing spring, shock-absorbing spring support, containing asphalt felt, Sliding seal cup and
Lower supporting pad, shock-absorbing spring upper end is connected with bracket support, and lower end is supported on shock-absorbing spring support top, containing asphalt felt, slides
Leather cup and lower supporting pad are sequentially arranged in shock-absorbing spring support lower section.
5. a kind of washing machine mutative damp vibration absorber according to claim 1, it is characterised in that：Described pressure buffer
Mechanism includes upper spring seat, shock-absorbing spring and lower spring cup, and shock-absorbing spring is arranged between upper spring seat and lower spring cup, institute
It is provided with damping sleeve between the bracket and upper spring seat stated, described damping sleeve includes the pallet of a Support bracket, under pallet
Side stretches to support set in upper spring seat and through pallet and the hanger erection hole of support set, described pallet and/or support set
It is provided with after stress so that the variable damper structure that diminishes of damping sleeve internal diameter；
Preferably, described upper spring seat top is provided with mounting groove, and bottom is provided with the mounting post of positioning shock-absorbing spring, suspension rod from
Run through mounting post in mounting groove, there is a circle space between suspension rod and mounting groove inwall, constitute the receiving portion for accommodating support set,
Variable damper structure on support set is contacted with the opening extruding of mounting groove, it is preferred that described mounting post from the mounting groove to
Lower extension is constituted；
It is also preferred that described lower spring cup is including shock-absorbing spring support, containing asphalt felt, Sliding seal cup and lower supporting pad, vibration damping
Spring upper end is connected with upper spring seat support, and lower end is supported on shock-absorbing spring support top, containing asphalt felt, Sliding seal cup and lower branch
Stake pad is sequentially arranged in shock-absorbing spring support lower section.
6. a kind of washing machine mutative damp vibration absorber according to claim 4 or 5, it is characterised in that：Described pallet
Upper surface is provided with an at least annular projection along hanger erection hole periphery, and annular projection is progressively lower from inside to outside, and surface is in globoidal structure,
The annular projection is the variable damper structure on pallet, it is preferred that tray upper surface is provided with two annular projections of concentric.
7. according to a kind of any described washing machine mutative damp vibration absorbers of claim 4-6, it is characterised in that：Described branch
Support set perisporium is provided with least one compression convex tendon, compression convex tendon protrude from the height on support set surface along support set axially from it is lower to
On it is gradually high, it is described compression convex tendon be support set on variable damper structure, it is preferred that compression convex tendon be 3-8 bars, circumferentially just
To being uniformly distributed.
8. according to a kind of any described washing machine mutative damp vibration absorbers of claim 4-7, it is characterised in that：The suspension rod
At least one damping convex tendon is provided with the inwall of mounting hole vertically, it is preferred that damping convex tendon is 2-6 bars, along the circumferential direction
Even distribution.
9. a kind of washing machine mutative damp vibration absorber according to claim 1, it is characterised in that：Described pressure buffer
Mechanism includes shock-absorbing spring, and shock-absorbing spring is made up of the first spring and second spring that are connected in series, and the end of the first spring leads to
Cross connection support member and extend to the inside of second spring and be connected with second spring；
Preferably, described connection support member includes the first supporting part, the connecting portion of two supporting parts of the second supporting part and connection,
The support direction of two supporting parts is oppositely arranged, and the first supporting part supports the first spring to extend to the one end inside second spring, the
Two supporting parts support second spring is enclosed within the one end outside the first spring；
Preferably, the first described spring is different with the elastic system of second spring；
Preferably, coefficient of elasticity of the coefficient of elasticity of the first spring more than second spring；
It is furthermore preferred that length of the length of first spring less than second spring.
10. a kind of washing machine, it is characterised in that：With the washing machine mutative damp vibration damping dress as described in claim 1-9 is any
Put, pop-up support outer barrel gooseneck bracket, when washing machine starts dehydrating operation, unbalance loading is excessive, and outer barrel applies eccentric force to damping
Set, damping sleeve radial direction deformation extruding suspension rod, damping force becomes big；Dehydration is remained in operation, and unbalance loading diminishes, and release outer barrel is to damping
The eccentric force of set, damping sleeve recovers, and damping force diminishes.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028796.2A CN106930046B (en) | 2015-12-30 | 2015-12-30 | Variable-damping vibration attenuation device of washing machine and washing machine |
| PCT/CN2016/107060 WO2017114035A1 (en) | 2015-12-30 | 2016-11-24 | Damping-variable vibration damping device for washing machine and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028796.2A CN106930046B (en) | 2015-12-30 | 2015-12-30 | Variable-damping vibration attenuation device of washing machine and washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106930046A true CN106930046A (en) | 2017-07-07 |
| CN106930046B CN106930046B (en) | 2020-06-19 |
Family
ID=59224526
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511028796.2A Active CN106930046B (en) | 2015-12-30 | 2015-12-30 | Variable-damping vibration attenuation device of washing machine and washing machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106930046B (en) |
| WO (1) | WO2017114035A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086588A1 (en) * | 2016-11-10 | 2018-05-17 | 青岛海尔洗衣机有限公司 | Washing machine damping device, and washing machine |
| CN109793566A (en) * | 2019-01-11 | 2019-05-24 | 温月云 | A kind of device for fetching nail of the anti-return of orthopaedics |
| CN112342743A (en) * | 2019-08-09 | 2021-02-09 | 青岛海尔洗衣机有限公司 | Washing machine and vibration damper thereof |
| US11142859B2 (en) | 2016-11-10 | 2021-10-12 | Chongqing Haier Drum Washing Machine Co., Ltd. | Damping device for a washing machine, and washing machine |
| CN113638195A (en) * | 2020-05-11 | 2021-11-12 | 青岛海尔洗衣机有限公司 | Suspender component and washing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113249932B (en) * | 2020-02-13 | 2024-05-24 | 青岛海尔洗衣机有限公司 | Boom assembly and washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018086588A1 (en) * | 2016-11-10 | 2018-05-17 | 青岛海尔洗衣机有限公司 | Washing machine damping device, and washing machine |
| US11142859B2 (en) | 2016-11-10 | 2021-10-12 | Chongqing Haier Drum Washing Machine Co., Ltd. | Damping device for a washing machine, and washing machine |
| CN109793566A (en) * | 2019-01-11 | 2019-05-24 | 温月云 | A kind of device for fetching nail of the anti-return of orthopaedics |
| CN112342743A (en) * | 2019-08-09 | 2021-02-09 | 青岛海尔洗衣机有限公司 | Washing machine and vibration damper thereof |
| CN112342743B (en) * | 2019-08-09 | 2024-03-19 | 青岛海尔洗衣机有限公司 | Vibration damper of washing machine and washing machine |
| CN113638195A (en) * | 2020-05-11 | 2021-11-12 | 青岛海尔洗衣机有限公司 | Suspender component and washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017114035A1 (en) | 2017-07-06 |
| CN106930046B (en) | 2020-06-19 |
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Effective date of registration: 20201105 Address after: 230601, No. 200, prosperous road, Hefei economic and Technological Development Zone, Anhui Patentee after: HEFEI HAIER WASHING MACHINE Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 230601, No. 200, prosperous road, Hefei economic and Technological Development Zone, Anhui Patentee before: HEFEI HAIER WASHING MACHINE Co.,Ltd. |
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