CN102767066A - Vibration attenuation component of washing machine, and washing machine - Google Patents
Vibration attenuation component of washing machine, and washing machine Download PDFInfo
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- CN102767066A CN102767066A CN2012102530183A CN201210253018A CN102767066A CN 102767066 A CN102767066 A CN 102767066A CN 2012102530183 A CN2012102530183 A CN 2012102530183A CN 201210253018 A CN201210253018 A CN 201210253018A CN 102767066 A CN102767066 A CN 102767066A
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- washing machine
- sliding shoe
- sleeve pipe
- damping assembly
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Abstract
The invention relates to a vibration attenuation component of a washing machine. The vibration attenuation component comprises an upper ball seat, a hanging rod, a lower ball seat, springs, a bushing and a bottom support, wherein the upper end and the lower end of the bushing are respectively connected with the lower ball seat and the bottom support to form a closed cavity; a sliding block sleeved on the hanging rod is arranged at the lower ends of the springs in the closed cavity; a buffering sleeve is arranged on the outer side of the sliding block and in interference fit with the bushing; and damping fat is coated on the inner wall of the bushing. The invention also relates to the washing machine using the vibration attenuation component. The washing machine comprises a box body, a control disk seat, an inner bucket assembly and an outer bucket assembly, wherein the box body is connected with the inner bucket assembly and the outer bucket assembly through the vibration attenuation component. By adopting the technical scheme, the washing machine can guarantee vibration attenuation and noise reduction effects in a long-term and effective process.
Description
Technical field
The present invention relates to washing machine, particularly relate to a kind of washing machine damping assembly and the washing machine that uses this damping assembly.
Background technology
Washing machine comprises impeller automatic washing machine, two-tub washing machine, roller washing machine, agitator type washing machine etc., and pulsator washing machine is used the most extensive in the Asia.
Full-automatic pulsator washing machine comprises casing, control disc seat parts, inside and outside bucket assembly, and wherein inside and outside bucket assembly and casing are assembled into one through four damping assemblies.Traditional washing machine suspension system, disclosed technical scheme is with reference to shown in Figure 1; What damping assembly adopted is telescopic, and the damping force of this structure mainly comes from spring and air damping, but because the long-term friction between sleeve pipe and the rubber spring base; Not only can produce noise, and cause the wearing and tearing of spring pedestal, use sealing effectiveness more of a specified duration just poor more; Air damping power can reduce gradually, and the vibration of washing machine and noise are increased, and is difficult to satisfy customer requirements.
Along with development of technology; Present another kind of washing machine suspension system on the market; Like patent name washing machine suspension arrangement; Utility model patent number is ZL 200520074146.7 disclosed technical schemes, and with reference to shown in Figure 2, damping assembly comprises upper ball base, suspension rod, lower ball base, cushion collar, cushion collar outer cover, spring, sleeve pipe, spring base.Wherein its upper end of damping assembly links to each other with casing of washing machine through upper ball base, and the lower end links to each other with wash bucket through lower ball base; Cushion collar adopts elastic rubber material, endoporus and suspension rod interference fit; Cylindrical is a wedge shape, and whole cushion collar is stuck between lower ball base and the cushion collar outer cover, scribbles damping grease in the cushion collar, to reduce the wearing and tearing of cushion collar; Between cushion collar and suspension rod, produce when sliding relatively, because the interference fit effect produces friction damping force, because cushion collar is a wedge shape, the pressure effect that receives continuous variation when lower ball base is that damping force also can respective change simultaneously.Spring is installed between cushion collar outer cover and the spring pedestal, can obtain constant friction damping force.Sleeve pipe is placed in the spring outer ring with the mode of interference fit, has the effect to the guiding and the buffering of spring.When load is applied on the lower ball base; Under the effect of spring; Cushion collar outer cover and lower ball base are stressed to step up to cause cushion collar to produce distortion and clamping suspension rod, and the frictional force when load increases on the cushion collar also increases thereupon, and damping grease has guaranteed that cushion collar is not worn at work; Increased damping action simultaneously, sleeve pipe has played guiding and cushioning effect to spring.In this technical scheme; Damping assembly adopts rubber cushion cover and damping grease to replace air damping; But because contact area is little between the cushion collar of elastomeric material and the suspension rod, damping grease is changed greatly by its damping that influences of ambient temperature, particularly when ambient temperature is higher; Washing machine long-time running damping grease can run off along with the relative motion of cushion collar and suspension rod, and then cushion collar is worn lose damping.
The inside and outside bucket parts and the casing of full-automatic pulsator washing machine, stirring type fully-automatic washing machine are linked and packed through four damping assemblies; The damping assembly of prior art along with the washing machine long-time running, receives the influence of external environment condition at present; The damping variation; Be in particular in that increase along with washing machine service life manifests vibration and becomes greatly with noise, cause the user normally to use, be prone to cause that the user complains and is discontented with.
Summary of the invention
The present invention is based on above-mentioned defective of the prior art, address the above problem, the present invention provides a kind of washing machine damping assembly and the washing machine that uses this damping assembly of closed structure.
The objective of the invention is to, a kind of permanently effective damping assembly that noise is low, vibration is little, the vibration damping scope is big is provided, improve the overall performance of washing machine.
In order to realize the object of the invention, the present invention adopts following technical scheme:
A kind of washing machine damping assembly; Comprise upper ball base, suspension rod, lower ball base, spring, sleeve pipe, collet; Sleeve pipe up and down two ends connects lower ball base respectively and forms closed chamber with collet, and the spring lower end in the closed chamber also is provided with the sliding shoe that is sleeved on the suspension rod, is provided with cushion collar outside the sliding shoe; Cushion collar and sleeve pipe interference fit, internal surface of sleeve pipe scribbles damping grease.
Described sliding shoe circumferentially also is provided with two to six longitudinal holes, said sliding shoe endoporus and suspension rod matched in clearance, and said endoporus scribbles damping grease.
Said sliding shoe cooperates with shell clearance, has annular groove, said cushion collar to be inlaid in the said sliding shoe groove in the middle of the sliding shoe and becomes one;
Said damping assembly also comprises rubber blanket, and said sliding shoe is the form that clamps that comprises sliding shoe loam cake and sliding shoe lower cover, and rubber blanket and said cushion collar are contained between the loam cake and lower cover of said sliding shoe, and said sliding shoe end face is provided with two to eight longitudinal holes.
Said sleeve pipe adopts aluminium alloy or stainless steel metal material.
There is the installation annular groove that concaves at said sleeve pipe two ends, and said lower ball base, said collet have the clamping annular groove suitable with it; Perhaps, there is outside enlarging at said sleeve pipe two ends, and said lower ball base, said collet have the card suitable with it.
Said cushion collar adopts flexible rubber expanded material, and cushion collar also is provided with and cracks.
Said sliding shoe adopts the high strength plastic materials of POM or nylon 6.
The invention still further relates to a kind of washing machine damping assembly; Comprise upper ball base, suspension rod, lower ball base, spring, sleeve pipe, collet, sleeve pipe up and down two ends connects lower ball base and collet respectively and forms closed chamber, and the spring lower end in the closed chamber also is provided with the sliding shoe that is sleeved on the suspension rod; Sliding shoe and sleeve pipe interference fit; Sliding shoe adopts flexible rubber expanded material, and said sliding shoe also is provided with and cracks, and internal surface of sleeve pipe scribbles damping grease.
The invention still further relates to a kind of washing machine, comprise casing, control disc seat parts, inside and outside bucket assembly, wherein inside and outside bucket assembly and casing are assembled into one through four damping assemblies, and this washing machine uses the described damping assembly of technique scheme.
Through adopting above-mentioned technical scheme; Washing machine damping assembly of the present invention and the washing machine that uses this damping assembly; Washing machine damping assembly through closed structure is not affected by the external environment, and damping grease is difficult for running off; Increase damping CONTACT WITH FRICTION area, guarantee the permanently effective effect of vibration and noise reduction of washing machine.
Description of drawings
Fig. 1 is the damping assembly sketch map of prior art;
Fig. 2 is the damping assembly sketch map of another prior art;
Fig. 3 is the overall schematic of the most preferred embodiment of washing machine damping assembly according to the invention;
Fig. 4 is the parts explosion of the embodiment one of washing machine damping assembly according to the invention;
Fig. 5 is the optimum structure form of sliding shoe according to the invention, the said cushion collar suitable with it;
Fig. 6 is the parts explosion of the embodiment two of washing machine damping assembly according to the invention.
Label is among the figure: 1. upper ball base, 2. suspension rod, 3. lower ball base, 31. clamping annular grooves, 4. sleeve pipe, 41. install annular grooves, 5. spring, 6. sliding shoe, 61. annular grooves, 62. through holes, 7. cushion collar, 71. cushion collars crack, 8. collet, 81. clamping annular grooves, 9. sliding shoe loam cake, 10. sliding shoe lower cover, 11. rubber blankets.
The specific embodiment
Below in conjunction with accompanying drawing, to washing machine damping assembly provided by the invention and use the washing machine of this damping assembly to be elaborated.
With reference to Fig. 3 to Fig. 5, the concrete structure of the embodiment one of damping assembly according to the invention is shown.The washing machine damping assembly comprises upper ball base 1, suspension rod 2, lower ball base 3, sleeve pipe 4, spring 5, sliding shoe 6, cushion collar 7, collet 8.Wherein the damping assembly upper end links to each other with casing of washing machine through upper ball base 1, and the lower end links to each other with outer barrel of washing machine through lower ball base 3, is suspended in the casing with bucket assembly inside and outside guaranteeing washing machine.
Sliding shoe 6 adopts the high strength plastic materials of POM or nylon 6, and endoporus and suspension rod 2 closely cooperate, and outer wall and sleeve pipe 4 closely cooperate, and sliding shoe 6 endoporus also scribble damping grease, reduce wear.Sliding shoe 6 has through hole 62 up and down, and purpose is the Gas Exchange that guarantees in the sleeve pipe 4, and sliding shoe 6 and cushion collar 7 have played guiding and air damping effect simultaneously; The optimum structure form of sliding shoe 6 is as shown in Figure 5; Sliding shoe 6 and sleeve pipe 4 matched in clearance, sliding shoe 6 external diameters are slightly less than sleeve pipe 4 internal diameters, and annular groove 61 is arranged in the middle of the sliding shoe; Said cushion collar 7 is inlaid in the said sliding shoe groove 61 and becomes one, cushion collar 7 and sleeve pipe 4 interference fit;
Airtight sleeve pipe 4 has guaranteed that damping grease can not run off, and has reduced the influence of external environment to damping grease simultaneously, thereby has guaranteed the normal operation of whole system.
With reference to Fig. 6, the concrete structure of the embodiment two of damping assembly according to the invention is shown.Compare with embodiment one; Sleeve pipe 4 two ends among the embodiment two are outside enlarging shape, and lower ball base 3, collet 8 have and the corresponding card of enlarging, adopt this version; Installation between sleeve pipe 4 and lower ball base 3, the collet 8 is simplified; Directly pegging graft to put in place gets final product, and accomplishes crimping without specialized apparatus, convenient easy to operate.。Damping assembly shown in Figure 6 also comprises rubber blanket 11; Sliding shoe is knockdown minute body structure; Comprise sliding shoe loam cake 9 and sliding shoe lower cover 10; Sliding shoe loam cake 9 is the assembling form of grab hole clipping with sliding shoe lower cover 10, and cushion collar 7 and rubber blanket 11 are installed between loam cake 10 and the lower cover 11, and said sliding shoe end face is provided with two to eight longitudinal holes.The damping assembly of this structure, sliding shoe is divided into two parts, can regulate the integral damping power size of hanger rod part through the thickness of adjusting rubber blanket and the thickness of damping pad, and the washing machine capacity that is suitable for is wider.
Cushion collar involved in the present invention 7 adopts crack 71 the form of cushion collar that is provided with; Function with self-regulation diameter; The diameter of cushion collar 7 is greater than sleeve pipe 4 diameters, and when cushion collar 7 long-term use peripheries were worn and torn to some extent, elastic buffer cover 7 was outwards upheld; Still can keep with sleeve pipe 4 is states of interference fit, guarantees the vibration damping and noise reducing effect.
The invention still further relates to a kind of washing machine, use foregoing damping assembly, those skilled in the art of the present technique can understand, so illustrate.
In sum, adopt the washing machine of above-mentioned damping assembly, after the long-term use of solution washing machine,, improved overall performance, satisfied user's demand with washing machine owing to the wearing and tearing of vibration insulating system, the loss of damping grease cause the problem that vibration is big, noise is high.
Certainly; The present invention is not limited to above-mentioned giving an example; The technical scheme that it will be apparent to those skilled in the art that under the situation that does not break away from the spirit or scope of the present invention, is made various modifications and is changed in claim of the present invention and be equal in the scope of replacement the present invention; Less than said casing inner diameter, said cushion collar is sleeved on the sliding shoe periphery and becomes one such as said sliding shoe external diameter; And for example said rubber blanket adopts other alternative materials, and such modification and change are all contained in the present invention.
Claims (11)
1. washing machine damping assembly; Comprise upper ball base, suspension rod, lower ball base, spring, sleeve pipe, collet, it is characterized in that sleeve pipe up and down two ends connects lower ball base and collet respectively and forms closed chamber; Spring lower end in the closed chamber also is provided with the sliding shoe that is sleeved on the suspension rod; The sliding shoe outside is provided with cushion collar, cushion collar and sleeve pipe interference fit, and internal surface of sleeve pipe scribbles damping grease.
2. washing machine damping assembly according to claim 1 is characterized in that: described sliding shoe is an integral body, and end face is provided with two to eight longitudinal holes, said sliding shoe endoporus and suspension rod matched in clearance, and said endoporus scribbles damping grease.
3. washing machine damping assembly according to claim 2 is characterized in that: said sliding shoe cooperates with shell clearance, has annular groove, said cushion collar to be inlaid in the said sliding shoe groove in the middle of the sliding shoe and becomes one.
4. washing machine damping assembly according to claim 1; It is characterized in that: also comprise rubber blanket; Said sliding shoe is the form that clamps that comprises sliding shoe loam cake and sliding shoe lower cover; Rubber blanket and said cushion collar are contained between the loam cake and lower cover of said sliding shoe, and said sliding shoe end face is provided with two to eight longitudinal holes.
5. according to each described washing machine damping assembly of claim 1 to 4, it is characterized in that: said cushion collar adopts flexible rubber expanded material, and said cushion collar also is provided with and cracks.
6. washing machine damping assembly according to claim 5 is characterized in that: said sleeve pipe adopts aluminium alloy or stainless steel metal material.
7. washing machine damping assembly according to claim 6 is characterized in that: there is the installation annular groove that concaves at said sleeve pipe two ends, and said lower ball base, said collet have the clamping annular groove suitable with it.
8. washing machine damping assembly according to claim 6 is characterized in that: there is outside enlarging at said sleeve pipe two ends, and said lower ball base, said collet have the card suitable with it.
9. according to each described washing machine damping assembly of claim 2 to 4, it is characterized in that: said sliding shoe material adopts POM or nylon 6 highstrenghtpistons.
10. a washing machine damping assembly comprises upper ball base, suspension rod, lower ball base, spring, sleeve pipe, collet, it is characterized in that; Sleeve pipe up and down two ends connects lower ball base and collet respectively and forms closed chamber; Spring lower end in the closed chamber also is provided with the sliding shoe that is sleeved on the suspension rod, sliding shoe and sleeve pipe interference fit, and sliding shoe adopts flexible rubber expanded material; Said sliding shoe also is provided with and cracks, and internal surface of sleeve pipe scribbles damping grease.
11. a washing machine comprises casing, control disc seat parts, inside and outside bucket assembly, wherein inside and outside bucket assembly and casing are assembled into one through four damping assemblies, and it is characterized in that: washing machine uses according to each described damping assembly of claim 1-10.
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102954147A (en) * | 2012-11-13 | 2013-03-06 | 合肥荣事达三洋电器股份有限公司 | Variable-damping suspender vibration damper |
CN106195089A (en) * | 2015-04-30 | 2016-12-07 | 青岛海尔洗衣机有限公司 | A kind of variable-damp vibration damper and washing machine |
CN106481724A (en) * | 2015-09-01 | 2017-03-08 | 青岛海尔智能技术研发有限公司 | Adjustable damping suspension rod for rotary drum washing machine and the rotary drum washing machine with it |
WO2018019190A1 (en) * | 2016-07-28 | 2018-02-01 | 青岛海尔洗衣机有限公司 | Washing machine vibration reduction assembly and washing machine |
WO2018050060A1 (en) * | 2016-09-13 | 2018-03-22 | 青岛海尔洗衣机有限公司 | Laundry machine |
CN108265470A (en) * | 2016-12-30 | 2018-07-10 | 青岛海尔洗衣机有限公司 | The damping means and washing machine of a kind of washing machine |
CN108930133A (en) * | 2017-05-24 | 2018-12-04 | 青岛海尔洗衣机有限公司 | Use in washing machine hanger rod component and rotary drum washing machine |
CN109162067A (en) * | 2018-10-24 | 2019-01-08 | 青岛海尔洗衣机有限公司 | A kind of damping device and washing machine of washing machine |
CN109687293A (en) * | 2019-01-04 | 2019-04-26 | 国网新疆电力有限公司电力科学研究院 | Mitigate the steel pipe lightning rod of wind shake |
CN110004661A (en) * | 2019-03-27 | 2019-07-12 | 昌邑市永富弹簧有限公司 | The dedicated vibration absorber of rotary drum washing machine |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102954147A (en) * | 2012-11-13 | 2013-03-06 | 合肥荣事达三洋电器股份有限公司 | Variable-damping suspender vibration damper |
CN106195089A (en) * | 2015-04-30 | 2016-12-07 | 青岛海尔洗衣机有限公司 | A kind of variable-damp vibration damper and washing machine |
CN106481724B (en) * | 2015-09-01 | 2020-02-14 | 青岛海尔智能技术研发有限公司 | Adjustable damping suspension rod for pulsator washing machine and pulsator washing machine with adjustable damping suspension rod |
CN106481724A (en) * | 2015-09-01 | 2017-03-08 | 青岛海尔智能技术研发有限公司 | Adjustable damping suspension rod for rotary drum washing machine and the rotary drum washing machine with it |
WO2018019190A1 (en) * | 2016-07-28 | 2018-02-01 | 青岛海尔洗衣机有限公司 | Washing machine vibration reduction assembly and washing machine |
WO2018050060A1 (en) * | 2016-09-13 | 2018-03-22 | 青岛海尔洗衣机有限公司 | Laundry machine |
CN108265470A (en) * | 2016-12-30 | 2018-07-10 | 青岛海尔洗衣机有限公司 | The damping means and washing machine of a kind of washing machine |
CN108930133A (en) * | 2017-05-24 | 2018-12-04 | 青岛海尔洗衣机有限公司 | Use in washing machine hanger rod component and rotary drum washing machine |
CN109162067A (en) * | 2018-10-24 | 2019-01-08 | 青岛海尔洗衣机有限公司 | A kind of damping device and washing machine of washing machine |
CN109162067B (en) * | 2018-10-24 | 2023-04-21 | 青岛海尔洗衣机有限公司 | Damping device of washing machine and washing machine |
CN109687293A (en) * | 2019-01-04 | 2019-04-26 | 国网新疆电力有限公司电力科学研究院 | Mitigate the steel pipe lightning rod of wind shake |
CN109687293B (en) * | 2019-01-04 | 2024-03-01 | 国网新疆电力有限公司电力科学研究院 | Steel pipe lightning rod for reducing wind vibration |
CN110004661A (en) * | 2019-03-27 | 2019-07-12 | 昌邑市永富弹簧有限公司 | The dedicated vibration absorber of rotary drum washing machine |
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Effective date of registration: 20160613 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Washing Machine Co., Ltd. |
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