CN2404905Y - Means for damping vibration for washing machine motor - Google Patents
Means for damping vibration for washing machine motor Download PDFInfo
- Publication number
- CN2404905Y CN2404905Y CN 99246782 CN99246782U CN2404905Y CN 2404905 Y CN2404905 Y CN 2404905Y CN 99246782 CN99246782 CN 99246782 CN 99246782 U CN99246782 U CN 99246782U CN 2404905 Y CN2404905 Y CN 2404905Y
- Authority
- CN
- China
- Prior art keywords
- damping pad
- motor
- cushion blocking
- screw
- pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Motor Or Generator Frames (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model relates to a damping device for motors of washing machines, which is composed of a screw, a screw nut, a shim and a damping pad, wherein, the shim and the damping pad run through the position between the screw and the screw nut. The utility model is characterized in that the damping pad is composed of an upper damping pad and a lower damping pad, and the shape of the lower damping pad is in a special-shaped structural body which is formed by jointing the backs of a convex part and a concave part. The shim is embedded in the lower part of the lower damping pad, and the screw nut form a composite body with the shim, and therefore, the problems that a motor is fastened and an interval is kept are effectively solved. A fastening metal member is contained in an elastic damping pad; therefore, the eccentric vibration of a motor can be eliminated, the service life of a motor can be prolonged, the noise of a washing machine can be reduced by 2dB to 3 dB, and the favorable effect of washing quietly is reached.
Description
The utility model relates to a kind of washing motor vibration absorber.
The damper mechanism or the device of existing washing machine are that washing motor is installed on three soft rubber cushion blockings, are anchored on base frame by three long spiro nails.Its design original intention is to guarantee screw gasket, certain distance between motor fixing plate and the base frame, thus realize effectiveness in vibration suppression.But in washing machine practical set process, for fastening motor, screw is compressed to the limit with the soft rubber cushion blocking, uncontrollable or satisfy above-mentioned required distance, and because the compressed degree varies of cushion blocking, the destrabilizing moment skewness that causes motor oscillating to produce is easy to produce destructive more serious off-centre vibration, not only influence motor service life, and bigger noise occurs.
The purpose of this utility model is to overcome above shortcoming, and provide a kind of and can guarantee the gap again by fastening motor, thus the off-centre vibration of not only having stopped motor, and realized quiet washing.
The utility model is to single cushion blocking, screw, the improvement of the vibration absorber that nut is formed, promptly not only screw and nut is made respectively and pad all-in-one-piece complex structure, but also cushion blocking is specifically designed as on the cushion blocking of phase fit and under the cushion blocking, and shape is the opposing polymorphic structure body that closes of convex-concave under the cushion blocking, both combinations make easy generation noise, be used for that hardwares such as fastening screw, nut all are contained within the elastic damping pad and vibration damping greatly.
Provide specific embodiment of the utility model below in conjunction with accompanying drawing.
Fig. 1 STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
View before the not fastening washing motor of Fig. 2 the utility model.
View behind the fastening washing motor of Fig. 3 the utility model.
The utility model is by the fixed head 6 of motor 8 being formed with the pad 5 and the rubber damper that run through therebetween with screw 1, nut 2 that base frame 7 is fixed, it is characterized in that screw 1 be one with the integrative-structure of the complex of pad, and the first half is not threaded column, nut 2 also be one with the complex of pad, this is not only quick and easy for installation, and has eliminated vibration therebetween.By on the cushion blocking 3 with cushion blocking under 4 cushion blockings of forming fit mutually, and 4 shape is the opposing polymorphic structure body that closes of convex-concave under the cushion blocking, 4 bottoms can an embedded pad 5 under the cushion blocking, screw 1 tightens together with motor fixing plate 6 cushion blocking is upper and lower by nut 2, and the column unthreaded portion on the screw 1 has guaranteed that nut 2 can only and then unlikelyly be compressed to limiting condition with cushion blocking in certain scope inward turning.After nut was fastening, the contact area with motor fixing plate 6 about the cushion blocking increased, and as Fig. 2, Fig. 3, during motor oscillating, cushion blocking can provide bigger slowly-releasing space, and most of vibration is dissolved, and the vibration of passing to base frame and whole washing machine is very little.The tensioner positioning action of packing ring 5 in addition, nut can be anchored on motor on the base frame and unlikely loosening firmly, and like this, the destrabilizing moment that motor oscillating produces will be distributed to equably on three hold-down screws and can not cause eccentric vibration.Screw 1 passes on the cushion blocking 3 successively, under the fixed head 6 of motor 8, the cushion blocking 4, packing ring 5 and base frame 7, is linked together with nut 2.
Consider further reduction noise, also can a rubber damper be set between 4 under nut 2 and the cushion blocking, (not drawing among the figure), 3 is identical on its shape and the cushion blocking, and the gasket part branch of yardstick and nut 2 matches, so that nut shim and base frame resilient engagement.Obviously the utility model is rational in infrastructure, and good damping result is reduced to minimum with the vibration of motor, and the noise of whole washing machine can reduce 2-3dB, has also effectively prolonged the service life of washing motor.
Claims (2)
1. washing motor vibration absorber, it is made up of screw (1), nut (2) that can the fixed head (6) of motor (8) and base frame (7) is fixing and pad (5) and the rubber damper that runs through therebetween, it is characterized in that
A) screw (1) be one with the integrative-structure of the complex of pad, its first half is not threaded column,
B) nut (2) also is the complex of pad,
C) on the cushion blocking of cushion blocking by the phase fit under (3) and the cushion blocking (4) form, and the shape of (4) is the opposing polymorphic structure body that closes of convex-concave under the cushion blocking, and embeds a pad (5) under the cushion blocking in (4) bottom.
2. vibration absorber according to claim 1 is characterized in that a rubber damper also can be set between (4) under nut (2) and the cushion blocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99246782 CN2404905Y (en) | 1999-10-20 | 1999-10-20 | Means for damping vibration for washing machine motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99246782 CN2404905Y (en) | 1999-10-20 | 1999-10-20 | Means for damping vibration for washing machine motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2404905Y true CN2404905Y (en) | 2000-11-08 |
Family
ID=34032334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99246782 Expired - Fee Related CN2404905Y (en) | 1999-10-20 | 1999-10-20 | Means for damping vibration for washing machine motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2404905Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1936151B (en) * | 2005-04-01 | 2010-12-15 | 阿斯克尔控股责任有限公司 | Household washing-machine |
| CN103629298A (en) * | 2013-12-01 | 2014-03-12 | 国网河南省电力公司安阳供电公司 | Vibration reduction method and device for large-and-middle-scale motors |
-
1999
- 1999-10-20 CN CN 99246782 patent/CN2404905Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1936151B (en) * | 2005-04-01 | 2010-12-15 | 阿斯克尔控股责任有限公司 | Household washing-machine |
| CN103629298A (en) * | 2013-12-01 | 2014-03-12 | 国网河南省电力公司安阳供电公司 | Vibration reduction method and device for large-and-middle-scale motors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO HAIER WASHER CO., LTD. Free format text: FORMER OWNER: HAIER ELECTRICAL APPLIANCES INTERNATIONAL CO., LTD. Effective date: 20040910 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20040910 Address after: 266101 Haier Industrial Zone, Haier Road, Laoshan District, Shandong, Qingdao Co-patentee after: Qingdao Haier Washing Machine Co., Ltd. Patentee after: haier group corporation Address before: 266101 Haier Industrial Zone, Haier Road, Laoshan District, Shandong, Qingdao Co-patentee before: Haier Electrical Appliances International Co., Ltd. Patentee before: haier group corporation |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |