CN106480653B - A kind of washing machine vibration absorber and washing machine - Google Patents
A kind of washing machine vibration absorber and washing machine Download PDFInfo
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- CN106480653B CN106480653B CN201511024319.9A CN201511024319A CN106480653B CN 106480653 B CN106480653 B CN 106480653B CN 201511024319 A CN201511024319 A CN 201511024319A CN 106480653 B CN106480653 B CN 106480653B
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- vibration absorber
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
- D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
- D06F37/268—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups for suspension devices
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
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- 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 vibration absorber and washing machines, the vibration absorber includes sunpender, the shell with accommodating chamber and is mounted on the intracorporal pressure buffer mechanism of shell, shell upper end is equipped with bracket, sunpender runs through bracket, it extends in shell and is connect with pressure buffer mechanism, shell lower end is equipped with bottom cover, the pressure buffer mechanism includes at least two springs, wherein the first spring and second spring are connected in series, and the inside that the end of the first spring extends to second spring by connecting supporting element is connect with second spring.The connection supporting element includes the first support portion, the second support portion and the interconnecting piece for connecting two support portions, the support direction of two support portions is oppositely arranged, first support portion supports the first spring to extend to one end inside second spring, and the second support portion support second spring covers one end outside the first spring.The configuration of the present invention is simple, the vibrating noise that can be effectively improved the water smoking is horizontal, has the characteristics that variable damping vibration damping.
Description
Technical field
The present invention relates to washing machine field, specifically a kind of washing machine vibration absorber and washing machine.
Background technique
Existing washing machine is divided into rotary drum washing machine and roller washing machine, and wherein the structure of pulsator washing machine includes:
Form the shell of washing machine appearance；It is equipped with to hang by supporting member in the inside of shell and fix and for accommodating washing water
Outer barrel；It is rotatably mounted to the inside of outer barrel and its bottom is provided with the interior bucket of blender；It is mounted on the downside, simultaneously of outer barrel
For generating the driving motor of the driving force of blender and interior bucket；For the driving force of driving motor to be selectively supplied to stirring
The power transmission of device and interior bucket；It is mounted on the lower part of outer barrel and for the washing water accommodated in outer barrel to be discharged to outside
Drainage arrangement, outer barrel are arranged on shell by derrick rig suspension.
Currently, derrick rig includes sunpender, gooseneck bracket, ball seat, spring and spring base, gooseneck bracket is arranged on sunpender top,
Spring base, spring and ball seat, upwards in turn through on sunpender, are cased with friction plate by the bottom end of sunpender in ball seat；Washing machine shell
On be provided with spherical groove, the cooperation of spherical groove on the convex spherical and shell of gooseneck bracket；The bottom end of outer barrel also has spherical surface recessed
Slot, the convex spherical of ball seat and the spherical groove of outer barrel bottom end cooperate, so that inner barrel and outer barrel is suspended on washing machine shell.
Washing machine work when make outer barrel generate vibration will cause ball seat up and down motion, ball seat pass through in turn telescopic spring,
Friction plate and sunpender reciprocating friction generate damping force, to inhibit to vibrate, achieve the purpose that improve complete machine oscillation noise level.
But due to being single spring structure, the variation of sunpender coefficient of elasticity is small, just loses after single spring compresses completely
Damping effect, thus in washing of drum type washing machine and dehydration, sunpender cannot play damping effect well, cause vibration of washing machine
Big and moving distance is big.In dehydration transient phases, built-in system vibration is larger, and derrick rig is needed to provide relatively large resistance
Buddhist nun's power is to inhibit built-in system to vibrate；In dehydration steady-state process, built-in system vibration is smaller, then needs derrick rig to provide opposite
Lesser damping force is to be isolated vibration；And above-mentioned derrick rig is only capable of providing single damping force, and derrick rig by friction plate
When assembling, ball holder surface meeting grease is to improve lubricating condition；So being hung in the biggish dehydration transient phases of internal system vibration
The damping force of lever apparatus can often be difficult to inhibit the running vibration of system；In the lesser dehydration steady-state process of internal system vibration,
It under viscous effect and sunpender the damping force effect of grease, and will lead to derrick rig play up and down, abnormal vibration noise occur
Problem.
A kind of cluster spring vibration damping sunpender is disclosed application No. is 200810243936.1 Chinese patent, including the body of rod,
Attachment base, mounting base, one group of spring and fixing seat, attachment base are located at the top of the body of rod, and the body of rod is being done washing by attachment base setting
On casing body；Mounting base is located at body of rod lower part and is used to install outer barrel of washing machine；Fixed seating is in the bottom end of the body of rod, one group of spring
It is sleeved on the body of rod and between mounting base and fixing seat, is cascaded between one group of spring by connector sleeve.
Although above structure provides damping force using one group of concatenated spring, have following defects that
If 1, damper overall length is constant, the length of two groups of springs must reduce, and relatively increase the bullet of two springs
Property coefficient, spring deformation is smaller, cannot provide lesser damping force in the dehydration stabilization sub stage；
2, according to the length of existing spring, then the relative increase overall length of damper, reduces outer barrel swing
Stability is easy bias and makes bucket, generate noise especially in dehydration.
In view of this present invention is specifically proposed.
Summary of the invention
The technical problem to be solved in the present invention is that a kind of washing machine vibration absorber is overcome the deficiencies of the prior art and provide,
The device can steadily change the coefficient of elasticity of sunpender vibration damping, improve damping property, reduce vibration of washing machine and moving distance, and energy
Reduce noise.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution: a kind of washing machine vibration absorber,
Including sunpender, the shell with accommodating chamber and it is mounted on the intracorporal pressure buffer mechanism of shell, shell upper end is equipped with bracket, and sunpender passes through
Bracket is worn, extends in shell and is connect with pressure buffer mechanism, shell lower end is equipped with bottom cover, the pressure buffer mechanism packet
At least two springs are included, wherein the first spring and second spring are connected in series, the end of the first spring is prolonged by connecting supporting element
The inside for extending to second spring is connect with second spring.
Further, the connection supporting element includes the first support portion, the second support portion and the company for connecting two support portions
The support direction of socket part, two support portions is oppositely arranged, and the first support portion supports the first spring to extend to one inside second spring
End, the second support portion support second spring cover one end outside the first spring.
Further, the connection supporting element is tubular construction, and one end bends inwards to form the first support portion, the other end
Outward bending forms the second support portion, and the first spring one end is protruded into inside connection supporting element and is supported on the first support portion, and second
Spring one end is covered in connection supporting element external support on the second support portion.
Further, the first support portion inside edge is bent to form the first spring end of positioning to the first spring direction
The first limiting section, the second support portion outer edge to second spring direction be bent to form positioning second spring end second limit
Portion.
Further, the bracket inner wall is equipped with a guide post, and sunpender is axially penetrated through along guide post, guide post lower end surface
Spring positioning mounting groove equipped with annular, it is preferred that guide post protrudes from the length of bracket inner wall extremely no more than the second support portion
The distance between first support portion.That is, the length that guide post protrudes from bracket inner wall protrudes into connection support no more than the first spring
Length inside part.
Further, the upper end of first spring is connect with bracket positioning support, and lower end is extended through connection supporting element
The upper end of inside and second spring to second spring connects, and second spring lower end is supported in spring support seat, spring supporting
Seat is connect with downrod lower end end.
Preferably, spring support seat successively includes latch bracket, contains asphalt felt, Sliding seal cup and lower supporting pad from up to down,
Lower supporting pad is supported on the boss of boom end.
Further, first spring is different with the elastic system of second spring, it is preferred that the elasticity of the first spring
Coefficient is greater than the coefficient of elasticity of second spring, it is furthermore preferred that the length of first spring is less than the length of second spring.
The coefficient of elasticity of first spring is k1, and the coefficient of elasticity of second spring is k2, and k1 > k2, total coefficient of elasticity is k
=1/ (1/k1+1/k2).
Further embodiment is that Weighing mechanism, including pressure spring, electricity are additionally provided between the pressure buffer mechanism and bottom cover
Magnetic coil and magnetic core, for shell when sliding on sunpender, electromagnetic coil and magnetic core generate relative motion, pass through electromagnetic coil inductance
Variation, reflection outer barrel of washing machine be applied to the variation of the power on shell or the vibratory output of outer barrel of washing machine.
Further, the pressure spring includes the first pressure spring and the second pressure spring, and magnetic core is set to the first pressure spring and the second pressure spring
Between, the first pressure spring, magnetic core and the second pressure spring, electromagnetic coil are followed successively by between pressure buffer mechanism and bottom cover from up to down and is set to
The outside of magnetic core.
Further, the Weighing mechanism further includes coil brace and magnetic core bracket, and coil brace and shell positioning connect
It connects, is installed between shell and bottom cover, electromagnetic coil is mounted on coil brace, and magnetic core is mounted on magnetic core bracket, magnetic core branch
Frame upper end supports the first pressure spring, and lower end supports the second pressure spring.
Further, magnetic core bracket is T font structure, the mounting portion of supporting surface and lower part including top, the first pressure spring
Lower end is supported on the supporting surface of magnetic core bracket, and magnetic core is covered in the periphery of mounting portion.Preferably, supporting surface is equipped with a positioning peace
Fill the annular positioning groove of the first pressure spring.
Further, an anti-oil cap is additionally provided between the first pressure spring and pressure buffer mechanism and sunpender end, under anti-oil cap
The upper end of square the first pressure spring of positioning support, upper support pressure buffer mechanism are equipped with adjusting nut between the second pressure spring and bottom cover,
The lower end of the second pressure spring of adjusting nut positioning support.
Further, coil brace is a tubular structure, anti-oil cap, the first pressure spring, magnetic core bracket, magnetic core, the second pressure spring
It is set to inside coil brace with adjusting nut, outside the online coil support of electromagnetic wire snare, anti-oil cap is supported on inside coil brace
Step on, the lower openings of adjusting nut encapsulated coil bracket are threadedly coupled with coil brace, to adjust the compression of pressure spring
Amount.Preferably, coil brace is the tubular structure of a variable diameter step by step, is tapered from up to down.Coil brace upper end and shell
Lower end snaps connection.It is furthermore preferred that the plug wire terminal for being also equipped with signal plate on coil brace and being flexibly connected with signal plate.It should
It is simple and compact for structure, it dismantles easy for installation.
Another object of the present invention is to provide the washing machines with above-mentioned vibration absorber.
Washing machine inflow starts, and the first, second spring is compressed simultaneously, as inflow gradually increases, second spring meeting
It is pressed first simultaneously, then the first spring is further continued for compressing, until the first spring is also pressed simultaneously, plays the role of suspension limit.
Before second spring pressure is simultaneously, it is two springs while works, second spring plays main title before pressing simultaneously
Recast is used.After second spring is pressed simultaneously, it is only the first spring and works.Cascaded structure of the present invention increases the negative of washing machine carrying
The phenomenon that lotus, total spring constant is mutated, can later appearance.
In laundry machine dehydration operation, two springs work simultaneously, spring proof resilience coefficient are as follows: k=1/ (1/k1+1/
K2), the spring constant matching of two springs can be more flexible.Adjusting different spring constants can make to be dehydrated bearing load model
It encloses wider, more dehydration capacity can be carried.
When washing machine executes dehydration procedure, first draining, after certain water is discharged in washing machine, the first spring starts to discharge,
When first spring has certain pooling feature, washing machine can be carried out low speed dehydrating operation, at this moment the buffering of the first spring
Displacement is smaller, is not suitable for carrying out the dehydration of high speed.When water is soon drained, second spring starts to discharge, when second spring has
It can be carried out high speed dewatering when biggish buffer displacement to run.For the present invention in dehydration, two springs play vibration damping simultaneously
The effect of noise reduction.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
The problem of current washing machine capacity is increasing, dehydration starting is increasingly difficult to solve, and uses spring of the present invention
Cascaded structure can make up for it existing shock-absorbing spring and be dehydrated when starting in high-capacity washing machine, loads unevenness and be easy to press and draw
Play the big problem of noise.
After two springs are together in series, total spring constant can become smaller, but the spring constant of the first spring is larger, in this way
The dehydration carrying range of washing machine can expand, and good effect of vibration and noise reduction can be played in small load, also can be larger negative
When load, dehydration starting performance is improved, better effect is played for the dewatering stability of washing machine.
Washing machine vibration absorber of the present invention is realized the change of coefficient of elasticity in washing and water smoking, is improved
Damping property reduces vibration of washing machine and moving distance and reduces noise.
Washing machine vibration absorber of the present invention realizes transient state dehydration simultaneously and inhibits vibration and stable state dehydration isolation vibration
Dynamic dual function, and then the vibrating noise that can be effectively improved the water smoking is horizontal, protrudes into another spring using a spring
The problem of cascaded structure reduces the total length of two springs, also effectively prevents vibration absorber or more play.
Vibration absorber of the present invention is additionally provided with Weighing mechanism, can assist increasing function of weighing, realizes weighing clothing before water inlet,
Inflow is measured when water inlet.Before washing machine is started to work, outer barrel is forced on shell, and shell slides with respect to sunpender and then make electromagnetism
Coil and magnetic core relative motion, so that the magnetic flux in electromagnetic coil be made to change, the inductance in electromagnetic coil becomes
Change, computer program controller is changed by the inductance in detection electromagnetic coil determines clothes weight, launches front and back twice by clothing
It weighs and determines clothes weight, and then determine inflow.In washing machine inner tub water inlet, since inner barrel and outer barrel connects together, outside
Bucket becomes larger to the pressure of shell and then compressed spring, and shell is along sunpender slide downward, and then magnetic core and electromagnetic coil occur relatively
Displacement detects the inductance in electromagnetic coil so that the magnetic flux by electromagnetic coil changes to realize to washing machine
The detection of inflow, to control inflow.When laundry machine dehydration starts and runs, outer barrel can be vibrated, by first, the
The deformation of two springs is detected to absorb vibrational energy to realize vibration damping by the variation of inductance in detection electromagnetic coil
Outer barrel magnitude of vibrations carries out load correction by the computer programmed controller controls program of washing machine, improves the dehydrating operation of washing machine
Stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of vibration absorber of the present invention；
Fig. 2 is the decomposition view one of vibration absorber of the present invention；
Fig. 3 is the structural schematic diagram two of vibration absorber of the present invention；
Fig. 4 is the decomposition view two of vibration absorber of the present invention；
Fig. 5 is the structural schematic diagram of connection supporting element of the present invention；
Fig. 6 is the partial sectional view of the washing machine of the present invention for being equipped with vibration absorber.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, providing a kind of vibration absorber.
As shown in Figures 1 to 4, washing machine vibration absorber of the present invention, the shell 2 including sunpender 1, with accommodating chamber
And it is mounted on the pressure buffer mechanism in shell 2,2 upper end of shell is integrally formed with bracket 3, constitutes sleeve structure, and sunpender 1 runs through
Bracket 3 is extended in shell 2 and is connect with pressure buffer mechanism, and 2 lower end of shell is equipped with bottom cover 4, and closing shell lower end is opened
Mouthful, shell 2 can slide axially along sunpender 1, and the pressure buffer mechanism includes at least two springs, wherein 5 He of the first spring
Second spring 6 is connected in series, and the end of the first spring 5 extends to inside and the second bullet of second spring 6 by connecting supporting element 7
Spring 6 connects.
As shown in figure 5, the connection supporting element 7 includes two support of the first support portion 71, the second support portion 72 and connection
The support direction of the interconnecting piece 73 in portion, the first support portion 71 and the second support portion 72 is oppositely arranged, the first support portion 71 support the
One spring 5 extends to one end inside second spring 6, and 6 sets of second spring of the second support portion 72 support is outside the first spring 5
One end (refering to fig. 1).
Embodiment one
As shown in figure 5, connection supporting element 7 described in the present embodiment is tubular construction, one end bends inwards to form first
Support part 71, other end outward bending form the second support portion 72, and 5 one end of the first spring is protruded into inside connection supporting element 7 and is supported on
On first support portion 71,6 one end cap of second spring is in connection 7 external support of supporting element on the second support portion 72.
Further, 71 inside edge of the first support portion is bent to form the first spring 5 of positioning to 5 direction of the first spring
First limiting section 74 of end, 72 outer edge of the second support portion are bent to form positioning 6 end of second spring to 6 direction of second spring
The second limiting section 75.
Embodiment two
As shown in Figures 1 to 4,3 inner wall of end breaket is equipped with a guide post 31 on shell described in the present embodiment, and sunpender 1 is along leading
It is axially penetrated through to column 31,31 lower end surface of guide post is equipped with the spring positioning mounting groove 32 of annular.Guide post 31 protrudes from bracket 3
The length L of wall is convex no more than the distance between 72 to the first support portion 71 of the second support portion H (refering to fig. 1) namely guide post 31
Length L for 3 inner wall of bracket protrudes into the length connected inside supporting element 7 no more than the first spring 5.
The upper end of first spring 5 is connect with 3 positioning support of bracket, is mounted in the spring positioning mounting groove 32 of annular, under
End extends to the inside of second spring 6 and the upper end of second spring 6 by connection supporting element 7 and is connected in series, 6 lower end of second spring
It is supported in spring support seat 8, spring support seat 8 is connect with 1 lower end of sunpender.
Spring support seat 8 successively includes latch bracket 81, contains asphalt felt 82, Sliding seal cup 83 and lower supporting pad from up to down
84, lower supporting pad 84 is supported on the boss of 1 end of sunpender.Latch bracket 81 is for fixing second spring 6, to prevent second spring
6 shift under force, and setting can further buffer nosing force containing asphalt felt 82 and Sliding seal cup 83.
Further, first spring 5 is different with the elastic system of second spring 6, it is preferred that the first spring 5
Coefficient of elasticity is greater than the coefficient of elasticity of second spring 6, it is furthermore preferred that the length of first spring 5 is less than the length of second spring 6
Degree.
The coefficient of elasticity of first spring 5 is k1, and the coefficient of elasticity of second spring 6 is k2, k1 > k2, and total coefficient of elasticity is
K=1/ (1/k1+1/k2).
Vibration absorber of the present invention second spring 6 pressure and before, be 6 two springs of the first spring 5 and second spring simultaneously
It works.After second spring 6 is pressed simultaneously, it is only the first spring 5 and works.The cascaded structure increases the negative of washing machine carrying
The phenomenon that lotus, total spring constant is mutated, can later appearance.
When by external force, sunpender drives the first spring 5 and second spring 6 to do compression movement, when external force disappears,
Under own resilient effect, the first spring 5 and second spring 6 do return motion, when the first spring 5 is compressed, the first spring 5
Some or all of be compressed into inside second spring 6, relatively reduce the Oscillation Amplitude of outer barrel.
Embodiment three
As shown in Figure 3 and Figure 4, it is additionally provided with Weighing mechanism 9 between pressure buffer mechanism of the present invention and bottom cover 4, wraps
Include the first pressure spring 90, the second pressure spring 91, electromagnetic coil 92 and magnetic core 93, magnetic core 93 be set to the first pressure spring 90 and the second pressure spring 91 it
Between, it is followed successively by the first pressure spring 90, magnetic core 93 and the second pressure spring 91 from up to down, electromagnetic coil 92 is set to the outside of magnetic core 93.Shell
For body 2 when sliding on sunpender 1, electromagnetic coil 92 and magnetic core 93 generate relative motion, by the variation of 92 inductance of electromagnetic coil,
Reflection outer barrel of washing machine is applied to the variation of the power on shell or the vibratory output of outer barrel of washing machine.
Wherein magnetic core 93 and the first pressure spring 90, the second pressure spring 91 are the structure that can be rotated freely or above-mentioned three
One of them or in which two for can along the structure that 2 central axis of shell rotates freely, prevent during exercise by torsion and
Damage.The coefficient of elasticity of first pressure spring 90 and the second pressure spring 91 is designed according to the change in displacement of magnetic core 93, cannot be less than inflow
Test scope, magnetic core has displacement variable always during washing machine inflow.
The setting of first pressure spring 90 and the second pressure spring 91 is to make magnetic core when 2 stress of shell is slided on sunpender 1
93 is smaller with the relative motion amplitude of electromagnetic coil 92.When shell 2 is moved downward with respect to sunpender 1, the first pressure spring 90 and second
Pressure spring 91 gradually discharges, due to the addition of the first pressure spring 90 and the stretch amplitude of the second pressure spring 91, so that magnetic core 93 is with respect to electromagnetism
The amplitude that coil 92 moves upwards is smaller.Similarly, when shell 2 is moved upwards with respect to sunpender 1, the first pressure spring 90 and the second pressure spring
91 compressions, due to the addition of the first pressure spring 90 and the suppressed range of the second pressure spring 91 so that magnetic core 93 with respect to electromagnetic coil 92 to
The amplitude of lower movement is smaller.Coefficient of elasticity of the coefficient of elasticity of first pressure spring 90 less than the second pressure spring 91.
Weighing mechanism 9 further includes coil brace 94 and magnetic core bracket 95, and coil brace 94 is located by connecting with shell 2, installation
Between shell 2 and bottom cover 4, electromagnetic coil 92 is mounted on coil brace 94, and magnetic core 93 is mounted on magnetic core bracket 95, magnetic core
95 upper end of bracket supports the first pressure spring 90, and lower end supports the second pressure spring 91.
Further, magnetic core bracket 95 be T font structure, the mounting portion 952 of supporting surface 951 and lower part including top,
First pressure spring, 90 lower end is supported on the supporting surface 951 of magnetic core bracket, 93 sets of the magnetic core peripheries in mounting portion 952.Preferably, it props up
Support face 951 is equipped with the annular positioning groove 950 of first pressure spring of location and installation 90.
It is additionally provided with an anti-oil cap 96 between first pressure spring 90 and pressure buffer mechanism and sunpender end, determines below anti-oil cap 96
The upper end of the first pressure spring 90 of position support, upper support pressure buffer mechanism are equipped with adjusting nut between the second pressure spring 91 and bottom cover 4
97, the lower end of 97 the second pressure spring of positioning support 91 of adjusting nut.
Coil brace 94 is a tubular structure, anti-oil cap 96, the first pressure spring 90, magnetic core bracket 95, magnetic core 93, the second pressure spring
91 and adjusting nut 97 be set to coil brace 94 inside, 92 sets of electromagnetic coil outside coil brace 94, anti-oil cap 96 is supported on
On step inside coil brace 94, the lower openings of 97 encapsulated coil bracket 94 of adjusting nut connect with 94 screw thread of coil brace
It connects, to adjust the decrement of pressure spring.Preferably, coil brace 94 is the tubular structure of a variable diameter step by step, is gradually become from up to down
Carefully, it is capable of providing the guiding role that magnetic core bracket 95 moves up and down.94 upper end of coil brace and 2 lower end of shell pass through locating fastener
940 and positioning protrusion 20 snap connection.It is furthermore preferred that be also equipped on coil brace 94 signal plate 98 and with the activity of signal plate 98
The plug wire terminal 99 of connection.This is simple and compact for structure, dismantles easy for installation.
According to above-mentioned vibration absorber, the present invention also provides a kind of washing machines, as shown in fig. 6, washing machine includes cabinet 10,
Disk seat, balance ring, motor and control system and drainage system (not shown), cabinet 10 is interior to be equipped with outer barrel 11, outer barrel 11
Inside interval pre-determined distance is equipped with interior bucket, and vibration absorber is set in the gap between outer barrel of washing machine 11 and cabinet 10, vibration damping
The top of device sunpender 1 is equipped with gooseneck bracket 12 and upper supporting pad 13 (refering to Fig. 2 to Fig. 4), passes through angle support plate 14 and cabinet 10
The connection of top side wall, the shell 2 of 1 lower end of sunpender are connected with the outer barrel hanger bracket 110 being set in outer barrel 11, outer barrel hanger bracket
Suspension mouth 111 corresponding with shell pop-up 3 is provided on 110,3 top of pop-up passes through suspension mouth 111, and to suspension mouth 111
It is supported.
Above-mentioned technical proposal of the invention is understood in order to preferably facilitate, below by way of specific example washing machine to the present invention
Above-mentioned technical proposal be described in detail.
Example IV
When washing machine zero load, second spring 6 plays a major role, and with the increase of amount of inlet water, second spring 6 is acted on gradually
Weaken until being pressed simultaneously, displacement of following the string.The effect of first spring 5 is gradually increased.When to washing machine inflow to full water amount, first
The close state by pressure simultaneously of spring 5.
The design of the coefficient of elasticity of shock-absorbing spring is unloaded according to washing machine respectively and different loads and full load etc. are more
Calculating and test verify under the conditions of planting.
When intaking in washing machine inner tub and making the increase of interior bucket weight, it is located at connection 7 lower section second spring 6 of supporting element compression
Deformation is larger, and it is smaller to be located at 7 top 5 compressive deformation of the first spring of connection supporting element.Since second spring 6 is located at connection supporting element
Between 7 and spring base 8, shell 2 is moved downward, and with sunpender 1 relative displacement occurs for shell 2 and connection supporting element 7 together, until position
It is pressed simultaneously in connection 7 lower section second spring 6 of supporting element, the first spring 5 above connection supporting element 7 is gradually pressed simultaneously
Contracting.
In the laundry machine dehydration stage, 6 two springs of the first spring 5 and second spring work simultaneously, due to two springs
The spring constant of cascaded structure is k=1/ (1/k1+1/k2) when working simultaneously, therefore coefficient of elasticity K1, K2 of two springs
Matching can be more flexible, and adjusting different coefficient of elasticity can make dehydration bearing load range wider, can carry more
It is dehydrated capacity.
When dehydration procedure starts, washing machine first starts to drain washing machine, after certain water is discharged in washing machine, the first bullet
Spring 5 starts to discharge, and when the first spring 5 has certain pooling feature, washing machine can be carried out low speed dehydrating operation, and at this moment the
The buffer displacement of one spring 5 is smaller, is not suitable for carrying out the dehydration of high speed.When water is soon drained, second spring 6 starts to discharge,
It can be carried out high speed dewatering when second spring 6 has biggish buffer displacement to run.The present invention is in dehydration, two bullets
Spring plays the role of vibration and noise reducing simultaneously.
Specifically, running outer barrel generates nosing force during dehydrating operation, when nosing force acts on sunpender 1,
Effect of the shock-absorbing spring being connected with sunpender 1 by power, since the coefficient of elasticity of the first spring 5 is greater than the bullet of second spring 6
Property coefficient, therefore when being acted on by nosing force, there is biggish displacement first in second spring 6, when second spring 6 is pressed completely
When contracting, the first spring 5 at this time is not fully compressed, and when the of short duration disappearance of nosing force, second spring 6 and the first spring 5 are produced
The nosing force of outer barrel is consumed release by raw restoring force, the restoring force generated by spring, damping means.
Embodiment five
The present embodiment is the course of work of Weighing mechanism: before washing machine is started to work, utilizing the title of washing machine vibration absorber
Heavy-duty machine structure first carry out it is pre-weighed, user put into clothing after weigh again.Since washing machine inner tub and outer barrel connect together, outside
Bucket 11 forces on shell 2, and shell 2 slides with respect to sunpender 1 and then makes electromagnetic coil 92 and 93 relative motion of magnetic core, to make electricity
Magnetic flux in magnetic coil 92 changes, and the inductance in electromagnetic coil 92 changes, and computer program controller passes through detection electricity
Inductance in magnetic coil, which changes, determines that clothes weight is surveyed, and by weighing twice, determining clothes weight determines inflow.It is doing washing
When machine interior bucket is intake, since inner barrel and outer barrel connects together, outer barrel 11 becomes larger to the pressure of shell 2 and then compression shock-absorbing spring,
Shell 2 is along 1 slide downward of sunpender, and then relative displacement occurs for magnetic core 93 and electromagnetic coil 92, so that passing through electromagnetic coil 92
Magnetic flux changes, by corresponding device to the inductance in electromagnetic coil 92 detect to realize to washing machine into
The detection of water weight, to control inflow.In laundry machine dehydration starting, outer barrel 11 can be vibrated, and shock-absorbing spring is passed through
Deformation to absorb vibrational energy to realize vibration damping, and outer barrel is detected by the variation of inductance in detection electromagnetic coil 92
Magnitude of vibrations carries out load correction by the computer programmed controller controls program of washing machine, and the dehydrating operation for improving washing machine is stablized
Property.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, and is not departing from the present invention
Under the premise of design philosophy, the various changes and modifications that professional and technical personnel in the art make technical solution of the present invention,
It all belongs to the scope of protection of the present invention.
Claims (14)
1. a kind of washing machine vibration absorber including sunpender, the shell with accommodating chamber and is mounted on the intracorporal pressure buffer machine of shell
Structure, shell upper end are equipped with bracket, and sunpender runs through bracket, extend in shell and connect with pressure buffer mechanism, the installation of shell lower end
There is bottom cover, it is characterised in that: the pressure buffer mechanism includes at least two springs, wherein the first spring and second spring string
Connection connects, and the inside that the end of the first spring extends to second spring by connecting supporting element is connect with second spring.
2. a kind of washing machine vibration absorber according to claim 1, it is characterised in that: the connection supporting element includes the
One support portion, the second support portion and the interconnecting piece for connecting two support portions, the support direction of two support portions are oppositely arranged, the first support
Portion supports the first spring to extend to one end inside second spring, and the second support portion support second spring covers outside the first spring
One end.
3. a kind of washing machine vibration absorber according to claim 1, it is characterised in that: the connection supporting element is tubular
Structure, one end bend inwards to form the first support portion, and other end outward bending forms the second support portion, and the first spring one end protrudes into
It is supported on the first support portion inside connection supporting element, one end cap of second spring is in connection supporting element external support in the second support
In portion.
4. a kind of washing machine vibration absorber according to claim 3, it is characterised in that: the first support portion inside edge
The first limiting section of the first spring end of positioning is bent to form to the first spring direction, the second support portion outer edge is to second spring
Direction is bent to form the second limiting section of positioning second spring end.
5. according to a kind of any washing machine vibration absorber of claim 2-4, it is characterised in that: the bracket inner wall is set
There is a guide post, sunpender is axially penetrated through along guide post, and guide post lower end surface is equipped with the spring positioning mounting groove of annular.
6. a kind of washing machine vibration absorber according to claim 5, it is characterised in that: guide post protrudes from bracket inner wall
Length is no more than the distance between second support portion to the first support portion.
7. a kind of washing machine vibration absorber according to claim 1, it is characterised in that: the upper end of first spring and support
The connection of frame positioning support, lower end extend to the inside of second spring and the upper end connection of second spring by connecting supporting element, the
Two lower spring ends are supported in spring support seat, and spring support seat is connect with downrod lower end end.
8. a kind of washing machine vibration absorber according to claim 1, it is characterised in that: first spring and the second bullet
The elastic system of spring is different.
9. a kind of washing machine vibration absorber according to claim 8, it is characterised in that: the coefficient of elasticity of first spring
Greater than the coefficient of elasticity of second spring.
10. a kind of washing machine vibration absorber according to claim 8 or claim 9, it is characterised in that: the length of first spring
Less than the length of second spring.
11. a kind of washing machine vibration absorber according to claim 1, it is characterised in that: the pressure buffer mechanism and
Weighing mechanism, including pressure spring, electromagnetic coil and magnetic core are additionally provided between bottom cover, shell when being slided on sunpender, electromagnetic coil with
Magnetic core generates relative motion, by the variation of electromagnetic coil inductance, reflects that outer barrel of washing machine is applied to the change of the power on shell
The vibratory output of change or outer barrel of washing machine.
12. a kind of washing machine vibration absorber according to claim 11, it is characterised in that: the pressure spring includes the first pressure
Spring and the second pressure spring, magnetic core be set between the first pressure spring and the second pressure spring, between pressure buffer mechanism and bottom cover from up to down according to
Secondary is the first pressure spring, magnetic core and the second pressure spring, and electromagnetic coil is set to the outside of magnetic core.
13. a kind of washing machine vibration absorber according to claim 12, it is characterised in that: the Weighing mechanism further includes
Coil brace and magnetic core bracket, coil brace are located by connecting with shell, are installed between shell and bottom cover, electromagnetic coil is mounted on
On coil brace, magnetic core is mounted on magnetic core bracket, and magnetic core pedestal upper end supports the first pressure spring, and lower end supports the second pressure spring.
14. a kind of washing machine has the vibration absorber as described in claim 1-13 is any.
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| CN2015105547387 | 2015-09-02 | ||
| CN201510554738 | 2015-09-02 |
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| CN201510633240.XA Active CN106480654B (en) | 2015-09-02 | 2015-09-29 | Outer barrel of washing machine and washing machine |
| CN201510708142.8A Active CN106480655B (en) | 2015-09-02 | 2015-10-27 | Washing machine suspender assembly and washing machine |
| CN201511024319.9A Active CN106480653B (en) | 2015-09-02 | 2015-12-30 | A kind of washing machine vibration absorber and washing machine |
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| CN201510708142.8A Active CN106480655B (en) | 2015-09-02 | 2015-10-27 | Washing machine suspender assembly and washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110846849B (en) * | 2018-08-20 | 2022-01-04 | 天津海尔洗涤电器有限公司 | Pull type washing machine |
| JP2021533921A (en) * | 2018-08-20 | 2021-12-09 | 青島海爾洗衣机有限公司QingDao Haier Washing Machine Co., Ltd. | Vibration control device for washing machine and pull-out type washing machine |
| CN109620094A (en) * | 2018-11-15 | 2019-04-16 | 浙江欧琳生活健康科技有限公司 | A kind of dish-washing machine and its control method |
| CN111560754B (en) * | 2019-01-25 | 2022-07-19 | 青岛海尔洗衣机有限公司 | Washing machine bottom foot, washing machine and control method |
| CN113638192A (en) * | 2020-05-11 | 2021-11-12 | 青岛海尔洗衣机有限公司 | Suspender component and washing machine |
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| CN1570251A (en) * | 2003-07-25 | 2005-01-26 | 乐金电子(天津)电器有限公司 | Suspension arrangement for vertical washing machine |
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Also Published As
| Publication number | Publication date |
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| CN106480655B (en) | 2020-05-01 |
| CN106480655A (en) | 2017-03-08 |
| CN106480654A (en) | 2017-03-08 |
| CN106480653A (en) | 2017-03-08 |
| CN106480654B (en) | 2020-06-26 |
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