CN101798742A - Power shock-absorbing device and washing machine provided with same - Google Patents
Power shock-absorbing device and washing machine provided with same Download PDFInfo
- Publication number
- CN101798742A CN101798742A CN201019026137A CN201019026137A CN101798742A CN 101798742 A CN101798742 A CN 101798742A CN 201019026137 A CN201019026137 A CN 201019026137A CN 201019026137 A CN201019026137 A CN 201019026137A CN 101798742 A CN101798742 A CN 101798742A
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- China
- Prior art keywords
- washing machine
- damping device
- dynamic damping
- spring
- reducing structure
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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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- 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 relates to a power shock-absorbing device for a washing machine, comprising a shock-absorbing body, elastic bodies and a longitudinal shaft, wherein the elastic bodies are arranged at both ends of the shock-absorbing body; the longitudinal shaft penetrates through the whole shock-absorbing body and the elastic bodies; and the shock-absorbing body, the elastic bodies and the longitudinal shaft are arranged in a sleeve. The washing machine provided with the power shock-absorbing device comprises a box body, an outer drum, a rotary drum, a motor, the power shock-absorbing device and a bracket, wherein the box body is positioned at the outermost part of the washing machine; the outer drum is arranged in the box body and used for storing washing water; the rotary drum is used for placing clothes; the motor is positioned at the rear end of the box body; the upper end of the outer drum is hung on the box body through a balance spring, and the lower end of the same is provided with a shock absorber with supporting and shock-absorbing action; the bracket fixes the power shock-absorbing device on a drum body; and the power shock-absorbing device comprises the shock-absorbing body, the elastic bodies and the longitudinal shaft, wherein the elastic bodies are arranged at both ends of the shock-absorbing body; the longitudinal shaft penetrates through the whole shock-absorbing body and the elastic bodies; and the shock-absorbing body, the elastic bodies and the longitudinal shaft are arranged in the sleeve.
Description
Technical field
The present invention relates to a kind of damping device, the especially a kind of dynamic damping device of roller washing machine and washing machine that is provided with described dynamic damping device of being installed on.
Background technology
Washing machine in the market generally is divided into agitator type washing machine and tumbling-box washing machine, agitator type washing machine mainly is to utilize between water and the clothing or the friction between the clothing comes washing clothes, and tumbling-box washing machine mainly is to utilize the lifting member in the cylinder to promote clothing, realizes the washing of clothing thereby clothing is descended under the gravity effect; In clothes washing or dehydration, because the interior clothing of casing is inhomogeneous or the restriction of the structure of washing machine self, in the process of laundry or dehydration, produce bigger vibrations, washing machine is moved, and the vibrations that are accompanied by washing machine produce noise, this not only influences the result of use of washing machine and bigger vibrations and noise can make the parts of washing machine obtain wearing and tearing, reduces the service life of washing machine.
This technical problem is accompanied by each period of washing machine development, adopt diverse ways different stage technique personnel, but root problem all is not well solved always, now the roller washing machine on the market is to adopt at washing machine drum front end monosymmetric to be set to a pair of balance weight at this problem mostly, wherein this balance weight can be the balance weight that cement balance block or other materials are made, when washing machine carries out in the process of high speed dewatering, tub assembly can vibrate with identical frequency, tub assembly all has very big vibratory output on the up and down or left and right direction, this balance weight be arranged on the shock momentum that has reduced tub assembly to a certain extent, but this structure that only changes quiet inertia in the vibration processes does not well solve the problem of displacement and noise; The technical staff who has expects changing at the adjustment pin of washing machine, comprise that the power that tightens of adjusting pin is the hardness of earth-grasping force, rubber and shape etc., this method just increases the frictional force of adjusting between pin and the ground, if but run into the ground of smoother, still can not solve the problem of vibrations displacements, and this scheme can only be alleviated to a certain extent and can not fundamentally solve the technical problem.
Summary of the invention
Therefore, in view of above present situation, the technical problem that the present invention solves provides a kind ofly can eliminate the vibrations displacement of roller washing machine and the dynamic damping device of noise, and this device has substituted the cement balance block of prior art, solves the technical problem that exists the prior art from dynamic inertia aspect.
Technical scheme of the present invention is as follows:
A kind of dynamic damping device that is used for washing machine, it is characterized in that this dynamic damping device comprises shock reducing structure, is arranged at the elastomer at shock reducing structure two ends, and through the whole shock reducing structure and the elastomeric longitudinal axis, described shock reducing structure, elastomer and the longitudinal axis are arranged in the sleeve.
As a kind of improvement of this dynamic damping device, described shock reducing structure comprises spring shake and sleeve pipe, and described sleeve pipe is between spring shake and the longitudinal axis.
As a kind of improvement of this dynamic damping device, described elastomer comprises spring and spring pedestal, and the two ends of spring are spirally wound on respectively on the corresponding spring pedestal.
As a kind of improvement of this dynamic damping device, the two ends of described sleeve are respectively arranged with end cap, and are fixed on the sleeve by screw.
As a kind of improvement of this dynamic damping device, the quantity of described shock reducing structure middle sleeve is at least one.
A kind of washing machine that the dynamic damping device is set, comprise and be positioned at the outermost casing of washing machine, be located at outer bucket that stores washings in the casing and the drum of placing clothes, be positioned at the motor of box back, the upper end of described outer bucket is suspended on it on casing by hanging spring, the lower end is provided with the damper with support and cushioning effect, it is characterized in that described washing machine also comprises the dynamic damping device and the dynamic damping device is fixed on support on this staving, described dynamic damping device comprises shock reducing structure, be arranged at the elastomer at shock reducing structure two ends, and through the whole shock reducing structure and the elastomeric longitudinal axis, described shock reducing structure, the elastomer and the longitudinal axis are arranged in the sleeve.
As a kind of improvement of this washing machine, its feature is being that described shock reducing structure comprises spring shake and sleeve pipe, and described sleeve pipe is between spring shake and the longitudinal axis.
As a kind of improvement of this washing machine, it is characterized in that described elastomer comprises spring and spring pedestal, the two ends of spring are spirally wound on respectively on the corresponding spring pedestal.
As a kind of improvement of this washing machine, it is characterized in that the two ends of sleeve are respectively arranged with end cap, and be fixed on the sleeve by screw.
As a kind of improvement of this washing machine, it is characterized in that the quantity of described shock reducing structure middle sleeve is at least one.
As a kind of improvement of this washing machine, it is characterized in that the quantity of described dynamic damping device is at least one, the mode that adopts vertically installation or level to install is arranged on the both sides of outer bucket.
As a kind of improvement of this washing machine, it is characterized in that described dynamic damping device is connected with support by the mode of welding, the distance of two ends weld and bracket end is 5-15mm.
With respect to prior art, the present invention has the following advantages: 1) utilize the vibrations displacement and the noise problem of the principle solution washing machine of moving inertia, vibratory output reduces by 30%; Noise reduces 3dBA; Eliminate the limitation of utilizing quiet principle of inertia to solve noise and displacement problem in the prior art; 2) this dynamic damping device can strengthen the antifatigue effect of washing machine, prolong the service life of washing machine, and it is simple in structure, cost is lower, is convenient to promote.
Description of drawings
Fig. 1: the cement balance block that uses in the prior art;
Fig. 2: the cutaway view of the dynamic damping device of the present invention;
Fig. 3: the sleeve schematic diagram of dynamic damping device;
Fig. 4: the vertical view of dynamic damping device;
Fig. 5: dynamic damping device connects uses the supporting structure schematic diagram;
Fig. 6: the structural representation that is provided with dynamic damping device washing machine;
Fig. 7: the cutaway view of washing machine;
Among the figure: 1 is that the longitudinal axis, 2 is sleeve, and 3 are spring shake, and 4 is sleeve pipe, 5 is spring, and 6 is the spring pedestal, and 7 is end cap, 8 is screw, and 9 is support, and 10 for hanging spring, 11 is motor, and 12 is transverse axis, and 13 is tripod, 14 is drum, and 15 is outer bucket, and 16 is the dynamic damping device, 17 is damper, and 18 is casing, and 20 is cement balance block.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing;
Referring to Fig. 1, be at present roller washing machine on the market mostly adopt the bilateral symmetry of drum front end a pair of cement balance block 20 is set, perhaps other similarly can play the structure of balanced action, when motor drives transverse axis and drum rotate at a high speed, especially in the laundry machine dehydration process, washing machine can produce comparatively strong vibrations, at this moment, the cement balance block of cylinder both sides can play the effect of these vibrations of balance to a certain extent, but the vibration problems that this balance weight can not fundamentally solve, therefore, in the process of washing clothes or dehydration, vibrations displacement phenomenon, the problem that noise is big still exists.
Referring to Fig. 2,3,5, it is respectively the cutaway view of medium power damping device of the present invention, front view and vertical view structure, can see that in Fig. 2 this dynamic damping device mainly comprises shock reducing structure, be arranged at the elastomer at shock reducing structure two ends, and through the whole shock reducing structure and the elastomeric longitudinal axis 1, at described shock reducing structure, outer setting one sleeve 2 of the elastomer and the longitudinal axis 1, with its cover inside, wherein shock reducing structure comprises spring shake son 3 and sleeve pipe 4, spring shake 3 does not directly contact with the longitudinal axis 1, avoid in the vibrations process direct collision with the longitudinal axis, be provided with sleeve pipe 4 in the middle of it, and to shake the noise that produces in the title in order reducing, in sleeve pipe 4, can to add suitable lubricating oil; Elastomer comprises spring 5 and spring pedestal 6, this spring 5 can be the structure of compression spring or concrete spring-like character, the two ends of spring are spirally wound on respectively on the corresponding spring pedestal 6, spring pedestal 6 mainly is for fixing spring in the vibrations process, also avoided simultaneously direct the contact, the noise of further having avoided collision to bring at vibrations process medi-spring and spring shake; In dynamic damping device of the present invention, the both sides up and down of shock reducing structure are provided with elastomer, cooperatively interact and finish the process of shock-absorbing in the vibrations process, at its arranged outside one columniform sleeve 2, this sleeve 2 can be selected steel, copper or other metal materials, two ends are respectively arranged with end cap 7 up and down, and are fixed on the sleeve 2 by screw 8, the further like this generation that reduces noise.
Fig. 4 is a support 9, described dynamic damping device 16 is fixed on the washing machine by this support, support can be selected steel, copper or other metal materials, the dynamic damping device is connected with support 9 by the mode of welding, the distance of two ends weld and bracket end is 5-15mm, and wherein preferred distance is 10mm; In the production operation process of reality, dynamic damping device 16 also can be made of one with support 9, promptly adopts integrated mode to be fixed on the casing of washing machine again.
Fig. 6,7 are respectively the front view and the cutaway view of the washing machine that the dynamic damping device is installed, can see in the drawings that this washing machine comprises is positioned at the outermost casing 18 of washing machine, be located at outer bucket 15 that stores washings in the casing and the drum 14 of placing clothes, be positioned at the motor 11 of box back, the upper end of described drum is suspended on it on casing 18 by hanging spring 10, the lower end is provided with the damper 17 with support and cushioning effect, the transverse axis 12 of box back and tripod 13 are fixed together and are used for supporting and driving drum 14, under the driving of motor 11, transverse axis 12 drives drum 14 and rotates, lifting member in the drum rises clothing, thereby finish clothes washing, processes such as dehydration, dynamic damping device 16 is connected with support 9 by the mode of welding, the distance of two ends weld and bracket end is 5-15mm, and optimal way is 10mm.
In the production operation process of reality, in order to save cost or according to actual needs, the mode that one or more than one dynamic damping device 16 employing levels can be installed is arranged on the casing; Also two dynamic damping devices 16 can be adopted the vertically both sides that are arranged on casing of the mode symmetry of installation, as shown in Figure 6, dynamic damping device 16 also can be made of one with support 9, promptly adopts integrated mode to be fixed on the casing of washing machine again.The general mode that adopts vertically installation or level to install in the position of dynamic damping device is arranged on the both sides of outer bucket, is used for reducing the shock momentum of different directions.Certainly, in other embodiment, the position and the mounting means of dynamic damping device are not restricted to this, also can be as required in different ways.
In washing machine high speed dewatering process, the drum of washing machine and other tub assembly can shake with identical frequency, no matter be up and down or left and right directions all can have very big shock momentum, at this moment, the dynamic damping device will absorb the vibrations of generation in the mode that shifts energy, eliminate the shock momentum of drum and other tub assemblies, and then reduce vibrating noise and displacement phenomenon.
Need to prove that above is better embodiment of the present invention; be not used for limiting protection scope of the present invention; for a person skilled in the art, improvement of making in the scope that does not break away from claim of the present invention or equivalents all should belong to the scope of protection of the invention.
Claims (12)
1. dynamic damping device that is used for washing machine, it is characterized in that: this dynamic damping device comprises shock reducing structure, is arranged at the elastomer at shock reducing structure two ends, and through the whole shock reducing structure and the elastomeric longitudinal axis (1), described shock reducing structure, elastomer and the longitudinal axis (1) are arranged in the sleeve (2).
2. the dynamic damping device that is used for washing machine according to claim 1 is characterized in that: described shock reducing structure comprises spring shake (3) and sleeve pipe (4), and described sleeve pipe (4) is positioned between spring shake (3) and the longitudinal axis (1).
3. the dynamic damping device that is used for washing machine according to claim 1 is characterized in that: described elastomer comprises spring (5) and spring pedestal (6), and the two ends of spring (5) are spirally wound on respectively on the corresponding spring pedestal (6).
4. according to claim 2 or the 3 described dynamic damping devices that are used for washing machine, it is characterized in that the two ends of sleeve (2) are respectively arranged with end cap (7), and be fixed on the sleeve (2) by screw (8).
5. according to claim 2 or the 3 described dynamic damping devices that are used for washing machine, it is characterized in that the quantity of described shock reducing structure middle sleeve (4) is at least one.
6. washing machine that the dynamic damping device is set, comprise and be positioned at the outermost casing of washing machine (18), be located at outer bucket (15) that stores washings in the casing and the drum (14) of placing clothes, be positioned at the motor (11) of box back, the upper end of described outer bucket (15) is suspended on it on casing (18) by hanging spring (10), the lower end is provided with the damper (17) with support and cushioning effect, it is characterized in that: described washing machine also comprises dynamic damping device (16) and the dynamic damping device is fixed on support (9) on this staving, described dynamic damping device (16) comprises shock reducing structure, be arranged at the elastomer at shock reducing structure two ends, and through the whole shock reducing structure and the elastomeric longitudinal axis (1), described shock reducing structure, the elastomer and the longitudinal axis (1) are arranged in the sleeve (2).
7. washing machine according to claim 6 is characterized in that described shock reducing structure comprises spring shake (3) and sleeve pipe (4), and described sleeve pipe (4) is positioned between spring shake (3) and the longitudinal axis (1).
8. washing machine according to claim 6 is characterized in that described elastomer comprises spring (5) and spring pedestal (6), and the two ends of spring (5) are spirally wound on respectively on the corresponding spring pedestal (6).
9. according to claim 7 or 8 described washing machines, it is characterized in that the two ends of sleeve (2) are respectively arranged with end cap (7), and be fixed on the sleeve (2) by screw (8).
10. according to claim 7 or 8 described washing machines, it is characterized in that the quantity of described shock reducing structure middle sleeve (4) is at least one.
11. according to claim 6 or 7 or 8 described washing machines, it is characterized in that the quantity of described dynamic damping device (16) is at least one, the mode that adopts vertically installation or level to install is arranged on the both sides of outer bucket.
12. according to claim 6 or 7 or 8 described washing machines, it is characterized in that described dynamic damping device (16) is connected with support (9) by the mode of welding, the distance of two ends weld and bracket end is 5-15mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201019026137A CN101798742A (en) | 2010-03-02 | 2010-03-02 | Power shock-absorbing device and washing machine provided with same |
| PCT/CN2010/000284 WO2011106910A1 (en) | 2010-03-02 | 2010-03-08 | Dynamic vibration damping device and washing machine equipped therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201019026137A CN101798742A (en) | 2010-03-02 | 2010-03-02 | Power shock-absorbing device and washing machine provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101798742A true CN101798742A (en) | 2010-08-11 |
Family
ID=42594577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201019026137A Pending CN101798742A (en) | 2010-03-02 | 2010-03-02 | Power shock-absorbing device and washing machine provided with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101798742A (en) |
| WO (1) | WO2011106910A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212951A (en) * | 2011-06-03 | 2011-10-12 | 合肥荣事达洗衣设备制造有限公司 | Suspension structure of impeller type washing machine |
| CN102644688A (en) * | 2012-04-24 | 2012-08-22 | 北京航空航天大学 | Landing mechanism-based legged mechanical cushioning device |
| CN110846854A (en) * | 2019-11-18 | 2020-02-28 | 珠海格力电器股份有限公司 | Vibration damper and washing machine |
| US10588411B2 (en) | 2017-03-24 | 2020-03-17 | KaBob Enterprises LLC | Anti-walking assembly for vibrating and sliding structures |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147579A (en) * | 1995-08-29 | 1997-04-16 | 三星电子株式会社 | Apparatus of drum washing machine |
| CN1245551A (en) * | 1996-12-09 | 2000-02-23 | 意大利低碳钢股份公司 | Friction damper for washing machine or the like |
| KR20080057076A (en) * | 2006-12-19 | 2008-06-24 | 엘지전자 주식회사 | Drum type washing machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063241B2 (en) * | 1986-08-21 | 1994-01-12 | 工業技術院長 | Dynamic vibration absorber with shock response suppression function |
| CN1683655A (en) * | 2004-04-12 | 2005-10-19 | 乐金电子(天津)电器有限公司 | Vibration reducer for rolling drum washing machine |
| CN1779039A (en) * | 2004-11-26 | 2006-05-31 | 乐金电子(天津)电器有限公司 | Vibration absorber of drum washer |
| KR20080104762A (en) * | 2007-05-29 | 2008-12-03 | 엘지전자 주식회사 | Device for treating laundry |
| CN101492876B (en) * | 2009-03-06 | 2011-09-28 | 南京乐金熊猫电器有限公司 | Dynamic shock-absorbing device for drum washing machine |
-
2010
- 2010-03-02 CN CN201019026137A patent/CN101798742A/en active Pending
- 2010-03-08 WO PCT/CN2010/000284 patent/WO2011106910A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147579A (en) * | 1995-08-29 | 1997-04-16 | 三星电子株式会社 | Apparatus of drum washing machine |
| CN1245551A (en) * | 1996-12-09 | 2000-02-23 | 意大利低碳钢股份公司 | Friction damper for washing machine or the like |
| KR20080057076A (en) * | 2006-12-19 | 2008-06-24 | 엘지전자 주식회사 | Drum type washing machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212951A (en) * | 2011-06-03 | 2011-10-12 | 合肥荣事达洗衣设备制造有限公司 | Suspension structure of impeller type washing machine |
| CN102212951B (en) * | 2011-06-03 | 2012-08-22 | 合肥荣事达洗衣设备制造有限公司 | Suspension structure of impeller type washing machine |
| CN102644688A (en) * | 2012-04-24 | 2012-08-22 | 北京航空航天大学 | Landing mechanism-based legged mechanical cushioning device |
| CN102644688B (en) * | 2012-04-24 | 2014-08-13 | 北京航空航天大学 | Landing mechanism-based legged mechanical cushioning device |
| US10588411B2 (en) | 2017-03-24 | 2020-03-17 | KaBob Enterprises LLC | Anti-walking assembly for vibrating and sliding structures |
| CN110846854A (en) * | 2019-11-18 | 2020-02-28 | 珠海格力电器股份有限公司 | Vibration damper and washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011106910A1 (en) | 2011-09-09 |
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Application publication date: 20100811 |