CN103243520A - Damping device for washing machine and washing machine with same - Google Patents
Damping device for washing machine and washing machine with same Download PDFInfo
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- CN103243520A CN103243520A CN2013101353218A CN201310135321A CN103243520A CN 103243520 A CN103243520 A CN 103243520A CN 2013101353218 A CN2013101353218 A CN 2013101353218A CN 201310135321 A CN201310135321 A CN 201310135321A CN 103243520 A CN103243520 A CN 103243520A
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- washing machine
- damping device
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Abstract
The invention discloses a damping device for a washing machine and the washing machine with the same. The damping device for the washing machine comprises a lifting rod, a sleeve and a pitch-variable spring, wherein the sleeve is movably arranged on the lifting rod, and one end of the pitch-variable spring is connected with the lifting rod while the other end of the same is connected with the sleeve. The damping device for the washing machine in embodiment has the advantages that deformation of a washing machine shell can be prevented, vibration and noise of the washing machine can be reduced, space utilization rate of the washing rate can be improved, cost of the washing machine can be reduced, and the like.
Description
Technical field
The present invention relates to field of household appliances, in particular to a kind of for washing machine damping device and have the washing machine of described damping device for washing machine.
Background technology
Existing washing machine is provided be used to the spring that hangs that bears wash bucket weight, minimizing exciting force.But because the uncertainty of the weight of washing clothes, so the weight of whole washing bucket can not be determined.When washing clothes more for a long time, the rigidity of spring may be too small, the intensity of load deficiency of hanging spring causes the washing machine shell distortion.And work as washing clothes more after a little while, the rigidity of spring again may be excessive, causes intrinsic frequency higher, causes the vibration of washing machine and noise bigger.
In order to address the above problem, some washing machines have increased the thickness of housing, the volume of expansion housing, and set up reinforcement to improve the intensity of housing at housing.But so not only effectively do not utilize the space, and significantly increased production cost.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, one object of the present invention is to propose a kind of vibration and noise that can prevent the washing machine shell distortion, reduce washing machine, the damping device that is used for washing machine of the cost of the space availability ratio of raising washing machine, reduction washing machine.
Another object of the present invention is to propose a kind of washing machine with described damping device for washing machine.
For achieving the above object, a first aspect of the present invention proposes a kind of damping device for washing machine, and described damping device for washing machine comprises: suspension rod; Sleeve, described sleeve are located on the described suspension rod movably; And variable-pitch spring, an end of described variable-pitch spring links to each other with described suspension rod and the other end links to each other with described sleeve.
By the described variable-pitch spring that links to each other with described sleeve with described suspension rod is set respectively, can utilize the character of rigidity nonlinear change of described variable-pitch spring to adapt to the washing clothes of Different Weight according to the damping device that is used for washing machine of the embodiment of the invention.Particularly, when the load of described variable-pitch spring hour, the stiffness coefficient of described variable-pitch spring is a little value.When the load of described variable-pitch spring was big, the stiffness coefficient of described variable-pitch spring was a value greatly.The rigidity that is described variable-pitch spring increases along with the increase of load.Have the washing machine of described damping device when operation, if clothing is less, then the load of described variable-pitch spring is less, and the rigidity of described variable-pitch spring is less.If clothing is more, then the load of described variable-pitch spring becomes big, and it is big that the rigidity of described variable-pitch spring becomes, and can prevent the washing machine shell distortion thus, guarantee that the position sinking within reason of wash bucket is with conserve space.Because the rigidity of described variable-pitch spring is indefinite, therefore there is not traditional intrinsic frequency, the centrifugal force because of off-centre in the time of can avoiding laundry machine dehydration thus produces resonance and noise.In addition, the stiffness coefficient of described variable-pitch spring remains the minimum of a value of certain loads, can effectively reduce like this dehydration the time be delivered on the washing machine shell exciting force, reach damping and reduce the effect of noise.And the washing machine with described damping device need not thickness and the volume of housing are increased, thereby can significantly reduce the production cost of washing machine.Therefore, the damping device that is used for washing machine according to the embodiment of the invention has vibration and the noise that can prevent the washing machine shell distortion, reduce washing machine, the advantages such as cost of the space availability ratio of raising washing machine, reduction washing machine.
In addition, the damping device for washing machine according to the present invention also has following additional technical feature:
According to one embodiment of present invention, described variable-pitch spring comprises the first spring section with first segment distance at least, and the second spring section with second pitch, and wherein the first segment distance is less than second pitch.Can prevent further that thus washing machine shell is out of shape, reduces vibration and the noise of washing machine, improves the space availability ratio of washing machine.
According to one embodiment of present invention, described variable-pitch spring comprises two described first spring sections and described second a spring section, and the described second spring section is positioned between two described first spring sections.Can prevent further that thus washing machine shell is out of shape, reduces vibration and the noise of washing machine, improves the space availability ratio of washing machine.
According to one embodiment of present invention, have the container cavity that the lower end is opened wide in the described sleeve, the roof of described container cavity is provided with central through hole, and described suspension rod passes described central through hole.Described sleeve can be located on the described suspension rod movably thus, and the Stability Analysis of Structures of described sleeve and described suspension rod, cooperate reliable.
According to one embodiment of present invention, described variable-pitch spring is set on the described suspension rod and is positioned at described container cavity.So not only can improve the stability of the position of described variable-pitch spring, and can utilize described sleeve to protect described variable-pitch spring, the outward appearance that makes described damping device for washing machine neat appearance more.
According to one embodiment of present invention, the lower end of described suspension rod is provided with spring base, and the upper end of described variable-pitch spring is against on the roof of described container cavity and the lower end is against on the described spring base.The function of load-bearing and the damping of described variable-pitch spring can be realized like this, and the reliability of the performance of described variable-pitch spring can be improved.
According to one embodiment of present invention, described spring base is provided with center mounting hole, and the lower end of described suspension rod is provided with mounting cap, and described suspension rod passes described center mounting hole and described mounting cap backstop on the lower surface of described spring base.Can improve the stability of described damping device for washing machine like this, and simple in structure, the handling ease of described suspension rod.
According to one embodiment of present invention, the lower end of described sleeve is provided with outward flange.Can make the easier for installation of described damping device for washing machine thus.
According to one embodiment of present invention, described outward flange be formed on the described sleeve and and the periphery wall of described sleeve between arc transition.So not only can strengthen the intensity of described sleeve, and can simplify the production technology of described sleeve, thereby can reduce the production cost of described sleeve.Can further improve described for the damping device of washing machine and the convenience that is connected of wash bucket in addition.
A second aspect of the present invention proposes a kind of washing machine, and described washing machine comprises: housing has container cavity in the described housing; Wash bucket, described wash bucket are located in the described container cavity; And damping device, described damping device is the described according to a first aspect of the invention damping device for washing machine, described suspension rod links to each other with described housing and described sleeve links to each other with described wash bucket.
According to the washing machine of the embodiment of the invention by utilizing described according to a first aspect of the invention washing machine and be used for the damping device of washing machine, thereby have not yielding, vibration and noise little, space availability ratio height, low cost and other advantages.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation according to the damping device that is used for washing machine of the embodiment of the invention;
Fig. 2 is the structural representation according to the variable-pitch spring of the damping device that is used for washing machine of the embodiment of the invention.
The damping device 10, suspension rod 100, spring base 110, mounting cap 120, sleeve 200, container cavity 210, central through hole 211, outward flange 220, variable-pitch spring 300, the first spring section 310, the second spring section 320 that are used for washing machine.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation, only be that the present invention for convenience of description and simplification are described, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete implication in the present invention.
Below with reference to Fig. 1 and Fig. 2 the damping device 10 that is used for washing machine according to the embodiment of the invention is described.As depicted in figs. 1 and 2, the damping device 10 that is used for washing machine according to the embodiment of the invention comprises suspension rod 100, sleeve 200 and variable-pitch spring 300.
Sleeve 200 is located on the suspension rod 100 movably.One end of variable-pitch spring 300 links to each other with suspension rod 100 and the other end of variable-pitch spring 300 links to each other with sleeve 200.Wherein variable-pitch spring 300 is the unequal spring of pitch.
By the variable-pitch spring 300 that links to each other with sleeve 200 with suspension rod 100 is set respectively, can utilize the character of rigidity nonlinear change of variable-pitch spring 300 to adapt to the washing clothes of Different Weight according to the damping device 10 that is used for washing machine of the embodiment of the invention.Particularly, when the load of variable-pitch spring 300 hour, the stiffness coefficient of variable-pitch spring 300 is a little value.When the load of variable-pitch spring 300 was big, the stiffness coefficient of variable-pitch spring 300 was a value greatly.The rigidity that is variable-pitch spring 300 increases along with the increase of load.Have the washing machine of damping device 10 when operation, if clothing is less, then the load of variable-pitch spring 300 is less, and the rigidity of variable-pitch spring 300 is less.If clothing is more, then the load of variable-pitch spring 300 becomes big, and it is big that the rigidity of variable-pitch spring 300 becomes, and can prevent the washing machine shell distortion thus, guarantee that the position sinking within reason of wash bucket is with conserve space.Because the rigidity of variable-pitch spring 300 is indefinite, therefore there is not traditional intrinsic frequency, the centrifugal force because of off-centre in the time of can avoiding laundry machine dehydration thus produces resonance and noise.In addition, the stiffness coefficient of variable-pitch spring 300 remains the minimum of a value of certain loads, can effectively reduce like this dehydration the time be delivered on the washing machine shell exciting force, reach damping and reduce the effect of noise.And the washing machine with damping device 10 need not thickness and the volume of housing are increased, thereby can significantly reduce the production cost of washing machine.Therefore, the damping device 10 that is used for washing machine according to the embodiment of the invention has vibration and the noise that can prevent the washing machine shell distortion, reduce washing machine, the advantages such as cost of the space availability ratio of raising washing machine, reduction washing machine.
Particularly, as shown in Figure 2, variable-pitch spring 300 can comprise the first spring section 310 with first segment distance at least, and the second spring section 320 with second pitch, and wherein the first segment distance can be less than second pitch.Can prevent further that thus washing machine shell is out of shape, reduces vibration and the noise of washing machine, improves the space availability ratio of washing machine.
More specifically, as shown in Figure 2, variable-pitch spring 300 can comprise that two first spring sections 310 and the second spring section, 320, the second spring sections 320 can be between two first spring sections 310.In other words, two second spring sections 320 can lay respectively at the both ends of variable-pitch spring 300, and the first spring section 310 can be positioned at the middle part of variable-pitch spring 300.That is to say that the pitch at the both ends of variable-pitch spring 300 can be less than the pitch at the middle part of variable-pitch spring 300.The rule that the rigidity of variable-pitch spring 300 is changed with load is suitable for the requirement of washing machine more, thereby can further prevent the washing machine shell distortion, reduce vibration and the noise of washing machine, improves the space availability ratio of washing machine.
Fig. 1 shows the damping device 10 that is used for washing machine according to an embodiment of the invention.As shown in Figure 1, can have the container cavity 210 that the lower end is opened wide in the sleeve 200, can be provided with central through hole 211 on the roof of container cavity 210, suspension rod 100 can pass central through hole 211, and suspension rod 100 can matched in clearance with central through hole 211.Sleeve 200 can be located on the suspension rod 100 movably thus, and the Stability Analysis of Structures of sleeve 200 and suspension rod 100, cooperate reliable.
Alternatively, as shown in Figure 1, variable-pitch spring 300 can be set on the suspension rod 100 and variable-pitch spring 300 can be positioned at container cavity 210.So not only can improve the stability of the position of variable-pitch spring 300, and can utilize sleeve 200 protection variable-pitch springs 300, be used in the outward appearance neat appearance more of the damping device 10 of washing machine.
Fig. 1 shows the damping device 10 that is used for washing machine of the specific embodiment according to the present invention.As shown in Figure 1, the lower end of suspension rod 100 can be provided with spring base 110, and the upper end of variable-pitch spring 300 can be against on the roof of container cavity 210 and the lower end of variable-pitch spring 300 can be against on the spring base 110.An end of variable-pitch spring 300 can be connected indirectly on the suspension rod 100 like this and the other end is connected on the sleeve 200 to realize the function of load-bearing and damping, and the Stability Analysis of Structures between variable-pitch spring 300, suspension rod 100 and the sleeve 200 can improve the reliability of the performance of variable-pitch spring 300 thus.
Particularly, as shown in Figure 1, can be provided with center mounting hole on the spring base 110, the lower end of suspension rod 100 can be provided with mounting cap 120, suspension rod 100 can pass described center mounting hole and mounting cap 120 can backstop on the lower surface of spring base 110.Can utilize mounting cap 120 on above-below direction, spring base 110 to be positioned like this, spring base 110 can be fixed on thus on the suspension rod 100 to prevent that spring base 110 relative suspension rods 100 from moving down, thereby can improve the stability for the damping device 10 of washing machine, and simple in structure, the handling ease of suspension rod 100.
Fig. 1 shows the damping device 10 that is used for washing machine of the concrete example according to the present invention.As shown in Figure 1, the lower end of sleeve 200 can be provided with outward flange 220.Thus can be by wash bucket being connected on the outward flange 220 wash bucket is installed on the whole damping device 10, namely can be used in damping device 10 easier for installation of washing machine.
Advantageously, as shown in Figure 1, can arc transition between the periphery wall of outward flange 220 and sleeve 200.Can further improve thus for the damping device 10 of washing machine and the convenience that is connected of wash bucket.
More advantageously, outward flange 220 can be formed on the sleeve 200.So not only can strengthen the intensity of sleeve 200, and can simplify the production technology of sleeve 200, thereby can reduce the production cost of sleeve 200.
Washing machine according to the embodiment of the invention is described below, and described washing machine comprises housing (not shown), wash bucket (not shown) and damping device.
Has container cavity in the described housing.Described wash bucket is located in the described container cavity.Described damping device is the damping device 10 for washing machine according to the above embodiment of the present invention, and suspension rod 100 links to each other with described housing and sleeve 200 links to each other with described wash bucket.
According to the washing machine of the embodiment of the invention by utilizing the damping device 10 for washing machine according to the above embodiment of the present invention, thereby have not yielding, vibration and noise little, space availability ratio height, low cost and other advantages.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. a damping device that is used for washing machine is characterized in that, comprising:
Suspension rod;
Sleeve, described sleeve are located on the described suspension rod movably; With
Variable-pitch spring, an end of described variable-pitch spring link to each other with described suspension rod and the other end links to each other with described sleeve.
2. the damping device for washing machine according to claim 1 is characterized in that, described variable-pitch spring comprises the first spring section with first segment distance at least, and the second spring section with second pitch, and wherein the first segment distance is less than second pitch.
3. the damping device for washing machine according to claim 2 is characterized in that, described variable-pitch spring comprises two described first spring sections and described second a spring section, and the described second spring section is positioned between two described first spring sections.
4. the damping device for washing machine according to claim 1 is characterized in that, has the container cavity that the lower end is opened wide in the described sleeve, and the roof of described container cavity is provided with central through hole, and described suspension rod passes described central through hole.
5. the damping device for washing machine according to claim 4 is characterized in that, described variable-pitch spring is set on the described suspension rod and is positioned at described container cavity.
6. the damping device for washing machine according to claim 5 is characterized in that, the lower end of described suspension rod is provided with spring base, and the upper end of described variable-pitch spring is against on the roof of described container cavity and the lower end is against on the described spring base.
7. the damping device for washing machine according to claim 6, it is characterized in that, described spring base is provided with center mounting hole, and the lower end of described suspension rod is provided with mounting cap, and described suspension rod passes described center mounting hole and described mounting cap backstop on the lower surface of described spring base.
8. the damping device for washing machine according to claim 1 is characterized in that, the lower end of described sleeve is provided with outward flange.
9. the damping device for washing machine according to claim 8 is characterized in that, described outward flange be formed on the described sleeve and and the periphery wall of described sleeve between arc transition.
10. a washing machine is characterized in that, comprising:
Housing has container cavity in the described housing;
Wash bucket, described wash bucket are located in the described container cavity; With
Damping device, described damping device are that described suspension rod links to each other with described housing and described sleeve links to each other with described wash bucket according to each described damping device for washing machine among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135321.8A CN103243520B (en) | 2013-04-17 | 2013-04-17 | For washing machine damping device and there is its washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310135321.8A CN103243520B (en) | 2013-04-17 | 2013-04-17 | For washing machine damping device and there is its washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103243520A true CN103243520A (en) | 2013-08-14 |
| CN103243520B CN103243520B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310135321.8A Active CN103243520B (en) | 2013-04-17 | 2013-04-17 | For washing machine damping device and there is its washing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806221A (en) * | 2018-08-06 | 2020-02-18 | 厦门雅迅网络股份有限公司 | MEMS sensor capable of defending resonance and resonance defending method thereof |
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| JPH04144594A (en) * | 1990-10-03 | 1992-05-19 | Matsushita Electric Ind Co Ltd | Vibration isolator of washing machine |
| WO1996037651A1 (en) * | 1995-05-26 | 1996-11-28 | General Electric Company | Improved automatic washing machine suspension system |
| JPH1043477A (en) * | 1996-05-30 | 1998-02-17 | Samsung Electron Co Ltd | Washing machine |
| JPH11253690A (en) * | 1998-03-11 | 1999-09-21 | Toshiba Corp | Fully automatic washing machine |
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| CN201099767Y (en) * | 2007-08-24 | 2008-08-13 | 苏州三星电子有限公司 | Rotary drum washing machine shock-absorber |
| KR100856781B1 (en) * | 2007-07-30 | 2008-09-05 | 엘지전자 주식회사 | Washing machine |
| CN101387061A (en) * | 2007-07-30 | 2009-03-18 | Lg电子株式会社 | Suspension apparatus for washing machine |
| CN203247425U (en) * | 2013-04-17 | 2013-10-23 | 无锡小天鹅股份有限公司 | Shock absorption device for washing machine and washing machine with same |
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2013
- 2013-04-17 CN CN201310135321.8A patent/CN103243520B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04144594A (en) * | 1990-10-03 | 1992-05-19 | Matsushita Electric Ind Co Ltd | Vibration isolator of washing machine |
| WO1996037651A1 (en) * | 1995-05-26 | 1996-11-28 | General Electric Company | Improved automatic washing machine suspension system |
| JPH1043477A (en) * | 1996-05-30 | 1998-02-17 | Samsung Electron Co Ltd | Washing machine |
| JPH11253690A (en) * | 1998-03-11 | 1999-09-21 | Toshiba Corp | Fully automatic washing machine |
| KR20020001404A (en) * | 2000-06-28 | 2002-01-09 | 구자홍 | Damper of washing machine having tilting drum |
| KR100856781B1 (en) * | 2007-07-30 | 2008-09-05 | 엘지전자 주식회사 | Washing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110806221A (en) * | 2018-08-06 | 2020-02-18 | 厦门雅迅网络股份有限公司 | MEMS sensor capable of defending resonance and resonance defending method thereof |
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| CN103243520B (en) | 2016-01-13 |
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Effective date of registration: 20190808 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |