CN103628278A - Vibration attenuation structure and vibration attenuation method for pulsator washing machine and pulsator washing machine - Google Patents
Vibration attenuation structure and vibration attenuation method for pulsator washing machine and pulsator washing machine Download PDFInfo
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- CN103628278A CN103628278A CN201310539230.0A CN201310539230A CN103628278A CN 103628278 A CN103628278 A CN 103628278A CN 201310539230 A CN201310539230 A CN 201310539230A CN 103628278 A CN103628278 A CN 103628278A
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- washing machine
- mass
- rotary drum
- gimbal
- drum washing
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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
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- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The invention relates to a vibration attenuation structure and a vibration attenuation method for a pulsator washing machine and the pulsator washing machine. The vibration attenuation structure comprises a balancing ring installed on the periphery of an opening end of a dewatering cylinder, and is characterized in that the vibration attenuation structure further comprises a weight used for reducing inherent frequencies of shake of the dewatering cylinder, and the weight is arranged inside the balancing ring or on the top of the dewatering cylinder. According to the vibration attenuation structure and the vibration attenuation method for the pulsator washing machine and the pulsator washing machine, the inherent frequencies and amplitudes of the shake of the dewatering cylinder when the washing machine works are reduced through the weight arranged inside the balancing ring or on the top of the dewatering cylinder, and therefore the balancing ring can play a role quickly and the problems of large shake of the dewatering cylinder and tank striking and shifting are effectively solved.
Description
Technical field
The present invention relates to home appliance, particularly relate to a kind of rotary drum washing machine vibration-proof structure and oscillation damping method, rotary drum washing machine.
Background technology
Development along with washing machine technology, the washing capacity of washing machine constantly increases, casing and staving gap design more and more compacter, and the rotating speed of spin-dry also improving constantly, and in drying process, the vibration problem of dehydration barrel more and more becomes the bottleneck of washing machine technical development.
The unbalance vibration amplitude causing in order to reduce washing, conventionally arranges gimbal in dehydration barrel openend periphery, and in gimbal, places removable filler.Yet along with the continuous increase of washing of drum type washing machine capacity and casing and staving gap relate to more and more compacter, when washing machine structure arranges unreasonable and load situation and concentrates on dehydration barrel upper end, staving there will be serious rocking, even hit case displacement, collision problem is rocked in the rotation that only depends on traditional gimbal and the filler in gimbal cannot solve dehydration barrel.
Summary of the invention
Based on this, be necessary that the rotation that cannot solve dehydration barrel for traditional gimbal and the filler in gimbal rocks collision problem, provide a kind of dehydration barrel that can effectively solve to rotate the rotary drum washing machine vibration-proof structure that rocks collision.
In addition, be also necessary to provide a kind of dehydration barrel that can effectively solve to rotate the rotary drum washing machine oscillation damping method that rocks collision.
In addition, be also necessary to provide a kind of dehydration barrel that can effectively solve to rotate the rotary drum washing machine that rocks collision.
A rotary drum washing machine vibration-proof structure, comprises the gimbal that is arranged on dehydration barrel openend periphery, also comprises that described mass is arranged on gimbal inside or dehydration barrel top for reducing the mass of the intrinsic frequency that dehydration barrel rocks.
In an embodiment, described mass is to be arranged on the liquid larger than saturated nacl aqueous solution density that described gimbal inside can move freely therein.
In an embodiment, when described mass is liquid, described gimbal is compared highly increase or internal diameter and is dwindled with default reference gimbal therein.
Therein in an embodiment, the solid mass that described mass is axially symmetric structure.
In an embodiment, described solid mass is arranged on described dehydration barrel top therein, and described solid mass, dehydration barrel are connected by securing member with gimbal.
In an embodiment, described gimbal inside is provided with at least two cavitys therein, and described in described solid mass is placed at least two cavitys, and described at least two cavitys and solid mass meet axial symmetry.
In an embodiment, described gimbal inside is provided with a cavity therein, and described solid mass is annular mass, described annular mass and described cavity interference fit.
A rotary drum washing machine, comprises dehydration barrel, also comprises described rotary drum washing machine vibration-proof structure, and described rotary drum washing machine vibration-proof structure is for reducing the intrinsic frequency of described dehydration barrel.
A rotary drum washing machine oscillation damping method, comprising:
When dehydration barrel is rotated, by being arranged on the mass at gimbal inside or dehydration barrel top, reduce the intrinsic frequency that described dehydration barrel is rocked.
In an embodiment, described mass is to be arranged on the liquid larger than saturated nacl aqueous solution density that described gimbal inside can move freely therein; Or described mass is the solid mass that is arranged on the axially symmetric structure at gimbal inside or dehydration barrel top.
Above-mentioned rotary drum washing machine vibration-proof structure and oscillation damping method, rotary drum washing machine, by being arranged in gimbal or the mass at dehydration barrel top, when washing machine is worked, intrinsic frequency and amplitude that dehydration barrel is rocked have been reduced, thereby can make gimbal play a role faster, effectively solve dehydration barrel vibration large, hit the problem of case displacement.
In addition, when mass is liquid, the convenient counterweight of controlling.
Accompanying drawing explanation
Fig. 1 is the vibrating effect comparison diagram at vibration-proof structure of the present invention and existing gimbal top;
Fig. 2 is the gimbal schematic diagram of the rotary drum washing machine vibration-proof structure in the first and second embodiment;
Fig. 3 is the stereogram of the rotary drum washing machine vibration-proof structure in the 3rd embodiment;
Fig. 4 is the gimbal schematic diagram of the rotary drum washing machine vibration-proof structure in the 4th embodiment;
Fig. 5 is the gimbal schematic diagram of the rotary drum washing machine vibration-proof structure in the 5th embodiment.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Rotary drum washing machine vibration-proof structure of the present invention, comprise be arranged on the gimbal of dehydration barrel openend periphery, for reducing the mass of the intrinsic frequency that dehydration barrel rocks, this mass is arranged on gimbal inside or dehydration barrel top.
The vibration attenuation mechanism of above-mentioned rotary drum washing machine vibration-proof structure is: actual clothing is uncertain at washing process distributing position, when load center of gravity concentrates on dehydration bucket bottom, mainly cause the swing of dehydration barrel, and when load position of centre of gravity concentrates on dehydration barrel top, can cause rocking of dehydration barrel.Conventionally rock than swinging and more easily cause vibration large, hit case displacement, by dehydration barrel top or gimbal inside apply mass, reduce the intrinsic frequency that dehydration barrel is rocked, increase the range of speeds that gimbal plays a role, thereby the amplitude that reduces to rock.
Above-mentioned rotary drum washing machine vibration-proof structure, by being arranged in gimbal or the mass at dehydration barrel top, when washing machine is worked, intrinsic frequency and amplitude that dehydration barrel is rocked have been reduced, thereby can make gimbal play a role faster, effectively solve dehydration barrel vibration greatly, hit the problem of case displacement.
Fig. 1 is the vibrating effect comparison diagram at vibration-proof structure of the present invention and existing gimbal top.In Fig. 1 in coordinate plane, axis of abscissas represents the rotating speed (r/min, rev/min) of gimbal, and axis of ordinates represents the Oscillation Amplitude (mm, millimeter) at gimbal top.Rotating speed and the amplitude curve of 11 expression rotary drum washing machine vibration-proof structure of the present invention in Fig. 1,12 represent rotating speed and the amplitude curve of existing gimbal.As can be seen from Figure 1, in identical eccentric load situation, adopt rotary drum washing machine vibration-proof structure of the present invention can reduce significantly to rock intrinsic frequency and the amplitude of vibration, thereby gimbal is played a role faster, effectively solve dehydration barrel and vibrate large problem.
In the first embodiment, rotary drum washing machine vibration-proof structure as shown in Figure 2, mass 22 is for being arranged on the liquid larger than saturated nacl aqueous solution density that gimbal 21 inside can move freely.Increase the density of liquid, under identical volume, and then increased the quality of mass.When mass is liquid, the convenient counterweight of controlling.
In a second embodiment, then join Fig. 2, this rotary drum washing machine vibration-proof structure, when mass is liquid, gimbal is compared height H increase or internal diameter R and is dwindled with default reference gimbal.So can increase gimbal 21 internal cavities volume V, hold more liquid filler materials and realize the object that increases counterweight.The ratio of the volume V1 duty chamber volume V of this inside filling liquid is between 50%～80%.The reference gimbal of setting according to the size of different washing machines is different, and the size that is relative washing machine with reference to gimbal is set.The size that changes gimbal can further facilitate interpolation liquid, increases mass quality.
In the 3rd embodiment, as shown in Figure 3, this rotary drum washing machine vibration-proof structure, the solid mass 32 that this mass is axially symmetric structure; This solid mass 32 is arranged on dehydration barrel 34 tops, and solid mass 32, dehydration barrel 34 are connected by securing member with gimbal.This securing member can be trip bolt or bolt etc.
In the 4th embodiment, as shown in Figure 4, this rotary drum washing machine vibration-proof structure, the solid mass that this mass is axially symmetric structure.Gimbal 42 inside are provided with at least two cavitys, and solid mass is placed at least two cavitys 44, and at least two cavitys 44 and solid mass meet axial symmetry.In the present embodiment, at least two cavitys are 4 cavitys 44, and 4 cavity 44 axial symmetry settings.Solid mass is ball 46.The size of ball 46 and number match with the size of cavity 44.The number of ball 46 is as the criterion to fill up whole cavity 44, to limit ball 46, in cavity 44, moves.The number of the shape of cavity 44 and ball 46 should meet axial symmetry requirement.In addition, solid mass harmony and stability are better.
In the 5th embodiment, as shown in Figure 5, this rotary drum washing machine vibration-proof structure, the solid mass that this mass is axially symmetric structure.Gimbal 52 inside are provided with a cavity, and solid mass is annular mass 54, and annular mass 54 and cavity interference fit, move freely in cavity to limit annular mass 54.
The present invention also provides a kind of rotary drum washing machine, comprises dehydration barrel, also comprises above-mentioned rotary drum washing machine vibration-proof structure, and this rotary drum washing machine vibration-proof structure is for reducing the intrinsic frequency of described dehydration barrel.
The present invention also provides a kind of rotary drum washing machine oscillation damping method, comprising:
When dehydration barrel is rotated, by being arranged on the mass at gimbal inside or dehydration barrel top, reduce the intrinsic frequency that described dehydration barrel is rocked.
This mass is to be arranged on the liquid larger than saturated nacl aqueous solution density that this gimbal inside can move freely; Or this mass is the solid mass that is arranged on the axially symmetric structure at gimbal inside or dehydration barrel top.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a rotary drum washing machine vibration-proof structure, comprises the gimbal that is arranged on dehydration barrel openend periphery, it is characterized in that, also comprises that described mass is arranged on gimbal inside or dehydration barrel top for reducing the mass of the intrinsic frequency that dehydration barrel rocks.
2. rotary drum washing machine vibration-proof structure according to claim 1, is characterized in that, described mass is to be arranged on the liquid larger than saturated nacl aqueous solution density that described gimbal inside can move freely.
3. rotary drum washing machine vibration-proof structure according to claim 1, is characterized in that, when described mass is liquid, described gimbal is compared highly increase or internal diameter and dwindled with default reference gimbal.
4. rotary drum washing machine vibration-proof structure according to claim 1, is characterized in that, the solid mass that described mass is axially symmetric structure.
5. rotary drum washing machine vibration-proof structure according to claim 4, is characterized in that, described solid mass is arranged on described dehydration barrel top, and described solid mass, dehydration barrel are connected by securing member with gimbal.
6. rotary drum washing machine vibration-proof structure according to claim 4, it is characterized in that, described gimbal inside is provided with at least two cavitys, and described in described solid mass is placed at least two cavitys, and described at least two cavitys and solid mass meet axial symmetry.
7. rotary drum washing machine vibration-proof structure according to claim 4, is characterized in that, described gimbal inside is provided with a cavity, and described solid mass is annular mass, described annular mass and described cavity interference fit.
8. a rotary drum washing machine, comprises dehydration barrel, it is characterized in that, also comprises the rotary drum washing machine vibration-proof structure as described in any one in claim 1 to 7, and described rotary drum washing machine vibration-proof structure is for reducing the intrinsic frequency of described dehydration barrel.
9. a rotary drum washing machine oscillation damping method, is characterized in that, comprising:
When dehydration barrel is rotated, by being arranged on the mass at gimbal inside or dehydration barrel top, reduce the intrinsic frequency that described dehydration barrel is rocked.
10. rotary drum washing machine oscillation damping method according to claim 9, is characterized in that, described mass is to be arranged on the liquid larger than saturated nacl aqueous solution density that described gimbal inside can move freely; Or described mass is the solid mass that is arranged on the axially symmetric structure at gimbal inside or dehydration barrel top.
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| CN201310539230.0A CN103628278B (en) | 2013-11-04 | 2013-11-04 | Rotary drum washing machine vibration-proof structure and oscillation damping method, rotary drum washing machine |
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| CN201310539230.0A CN103628278B (en) | 2013-11-04 | 2013-11-04 | Rotary drum washing machine vibration-proof structure and oscillation damping method, rotary drum washing machine |
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| CN103628278A true CN103628278A (en) | 2014-03-12 |
| CN103628278B CN103628278B (en) | 2016-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016045178A1 (en) * | 2014-09-28 | 2016-03-31 | 青岛海尔滚筒洗衣机有限公司 | Washing machine inner drum and washing machine |
| CN105671868A (en) * | 2014-11-21 | 2016-06-15 | 无锡小天鹅股份有限公司 | Balance block used for washing machine and washing machine provided therewith |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016045178A1 (en) * | 2014-09-28 | 2016-03-31 | 青岛海尔滚筒洗衣机有限公司 | Washing machine inner drum and washing machine |
| CN105525484A (en) * | 2014-09-28 | 2016-04-27 | 青岛海尔滚筒洗衣机有限公司 | Inner drum for washing machine, and washing machine |
| CN105525484B (en) * | 2014-09-28 | 2020-04-14 | 青岛海尔滚筒洗衣机有限公司 | Inner barrel for washing machine and washing machine |
| CN105671868A (en) * | 2014-11-21 | 2016-06-15 | 无锡小天鹅股份有限公司 | Balance block used for washing machine and washing machine provided therewith |
| CN105671868B (en) * | 2014-11-21 | 2018-04-20 | 无锡小天鹅股份有限公司 | For washing machine balance weight and there is its washing machine |
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| CN103628278B (en) | 2016-08-17 |
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