CN102954147A - Variable-damping suspender vibration damper - Google Patents
Variable-damping suspender vibration damper Download PDFInfo
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- CN102954147A CN102954147A CN2012104514166A CN201210451416A CN102954147A CN 102954147 A CN102954147 A CN 102954147A CN 2012104514166 A CN2012104514166 A CN 2012104514166A CN 201210451416 A CN201210451416 A CN 201210451416A CN 102954147 A CN102954147 A CN 102954147A
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- rubber ring
- suspension rod
- spring
- carriage
- vibration damping
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Abstract
The invention provides a variable-damping suspender vibration damper, comprising a suspender, wherein a suspender seat is arranged at the bottom of the suspender, a spring, a bracket, a rubber ring and a lower spherical seat are sequentially arranged on the suspender seat, and the upper end and the lower end of the spring are respectively sleeved on the bracket and the suspender seat; the lower part of the rubber ring is sleeved in the interior of the bracket, and the rubber ring and the bracket are in clearance fit; and the suspender sequentially penetrates through the suspender seat, the spring, the bracket, the rubber ring and a central hole of the lower spherical seat to fix the components. When load changes, the spring is enabled to move in a telescopic manner, a conical body of the suspender seat is enabled to be sleeved into the central hole of the rubber ring, and a variable damping force is provided according to the clearance-fit height, so that the effects of damping and noise reduction are played.
Description
Technical field
The present invention relates to a kind of vibration damping equipment, be specifically related to a kind of adaptive damping suspension rod vibration damping equipment.
Background technique
The object of motion produces vibration inevitably, causes very large noise to surrounding environment, and outside interference people's normal students, the life, the particularly low-frequency vibration of 1-100HZ also can damage human body.Control to vibration is mainly taken measures from two aspects, and the one, vibration source is improved with damping vibration intensity, the 2nd, take vibration isolation measure in the Vibration propagation path, the energy that namely vibrates with damping material consumption also vibrates the radiation to the space.Thereby reduce directly or indirectly noise.
Wherein damping shock absorption is that vibration source carries out one of follow-up improved main method, hindering the relative movement of object and kinergety is converted into heat energy or other by the damping material increasing friction force can dissipation energy, reduce the resonance amplitude and the sound radiation that produces because of mechanical vibration of mechanical structure, reach the purpose of vibration damping and noise reduction.Damping material commonly used is the material with remarkable internal loss, interior friction, and is typical in pitch, rubber etc.
The vibration damping equipment that current laundry owner will adopt is the elastic boom that connects inside and outside bucket, mainly by the formation sliding friction that moves up and down of the friction parts on the suspension rod (vibration-proof rubber pad), plays damping effect thereby produce frictional force.No matter but the shortcoming of this structure be washings what, the frictional force that obtains is almost certain, the damping effect of vibration damping equipment is identical.Particularly when washing machine dewatered work, washing machine was under the High Rotation Speed state, and its wash load is large, and when inside and outside bucket resonated with large amplitude, interior bucket produced very large centrifugal force the water on the clothing is dewatered, thereby produces very large vibration and noise.And this kind suspension rod vibration damping equipment can not get off vibration attenuation rapidly, and damping vibration causes noise obviously to increase effectively.
Summary of the invention
The present invention will solve above-mentioned deficiency exactly, and a kind of adaptive damping suspension rod vibration damping equipment is provided, and can come according to the size of vibration the size of damping adjusting, thereby realizes the purpose of vibration damping and noise reduction.
In order to reach above-mentioned effect, the invention provides a kind of adaptive damping suspension rod vibration damping equipment, comprise suspension rod, described suspension rod bottom is provided with gooseneck bracket, described gooseneck bracket top is provided with spring, carriage, rubber ring and lower spheric seat successively, and the upper and lower end of described spring is set in respectively on described carriage and the gooseneck bracket; The bottom of described rubber ring is sheathed on the inside of described carriage, both Spielpassung; Described suspension rod passes the center hole of gooseneck bracket, spring, carriage, rubber ring and lower spheric seat successively, and they are fixed.
The lower end surface of the upper-end surface of described rubber ring and lower spheric seat is respectively equipped with the concavo-convex muscle that matches, and rubber ring and lower spheric seat carry out pressing by the concavo-convex muscle that matches to be fixed; The hole wall of the center hole of the center hole of described rubber ring and lower spheric seat is equipped with annular muscle, and annular muscle is used to provide the friction damping force between itself and the suspension rod.
Be filled with one deck lubricating grease between the lower end surface of the upper-end surface of described rubber ring and lower spheric seat.
Be provided with flange outside the top of described carriage, the bottom of described rubber ring is set in the center hole of described carriage, and the top of rubber ring is positioned at described flange top; The upper end of described spring is set in the below of described flange.
Described gooseneck bracket is comprised of base frame, root and cylinder, and the periphery of described root is provided with vertical muscle, is used for strengthening its intensity, and described spring clip is located at described vertical muscle periphery, is used for fixing spring; Described cylinder is cone structure, and the interference fit by conical surface and rubber ring provides variable damping force.
The bottom of described suspension rod is provided with round boss, is used for blocking and the fixed derrick seat.
The present invention is comprised of the gooseneck bracket, spring, carriage, rubber ring and the lower spheric seat that are set in successively on the suspension rod, and the round boss of the bottom of suspension rod just in time blocks gooseneck bracket; The lower end surface of the upper-end surface of rubber ring and lower spheric seat is respectively equipped with the annular muscle that matches, and makes between them and fixes by pressing; The hole wall of the center hole of rubber ring and lower spheric seat all has the annular muscle of friction damping force between increase and the suspension rod; The bottom of rubber ring is set in the center hole of carriage, and its top is positioned at the flange top on carriage top; Below, the lower end that the upper end of spring is set in flange is fastened on the vertical muscle periphery of gooseneck bracket, respectively spring limited, and namely spring can only carry out fore and aft motion between the base frame of the flange of carriage and gooseneck bracket.
When load changes, the carriage that is fixed together, rubber ring drive spring with lower spheric seat and carry out fore and aft motion, the cone column sleeve of gooseneck bracket is entered in the center hole of rubber ring, height size according to its interference fit provides either large or small variable damping force, thereby reaches the effect of vibration damping and noise reduction.If it is large that load becomes, the vibration increase of machinery equipment, noise become large, and the spring in this moment vibration damping equipment will be further compressed, and then the engagement height of the cone post of gooseneck bracket and rubber ring increases thereupon, thereby has increased friction damping force, the amplitude that reduces to vibrate; If load diminishes, the noise and vibration of machinery equipment is corresponding to diminish, and spring then will extend accordingly, and the cone post of gooseneck bracket and the engagement height of rubber ring reduce thereupon, thereby has reduced the friction damping force of vibration damping equipment.So no matter the size of load or vibration, can be by changing the damping force of vibration damping equipment, the effect that reaches vibration damping, noise reduction is unanimously effective.
Another purpose of the present invention provides a kind of rotary drum washing machine that comprises adaptive damping suspension rod vibration damping equipment.
Adaptive damping suspension rod vibration damping equipment will be provided with in this washing machine, realized that then washing machine is in the unequally loaded situation, vibration damping equipment provides the differentiated friction damping force, thereby realizes the vibration of washing machine slow-speed of revolution resonance region when the heavy load dehydration starts, in the situation that large damping decays rapidly; And in high speed dewatering stage during underload, in little damping situation, the generation of vibration of dehydration barrel is effectively isolated, be unlikely to make vibration to be delivered on the washing machine box body, thereby reduce the amplitude of casing, reach the whole dehydration smooth running of assurance washing machine under various loads.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is structural representation of the present invention;
Fig. 2 is decomposition texture schematic diagram of the present invention;
Fig. 3 is motion schematic diagram of the present invention;
Among the figure: 1-suspension rod, spheric seat under the 2-, 3-rubber ring, 4-carriage, 5-spring, 6-gooseneck bracket, H-spring height, H1-engagement height.
Embodiment
As shown in Figure 1 and Figure 2, a kind of adaptive damping suspension rod vibration damping equipment is comprised of with lower spheric seat 2 gooseneck bracket 6, spring 5, carriage 4, the rubber ring 3 that are set in successively on the suspension rod 1, and the round boss of the bottom of suspension rod 1 just in time blocks gooseneck bracket 6; The lower end surface of the upper-end surface of rubber ring 3 and lower spheric seat 4 is respectively equipped with the concavo-convex muscle that matches, and makes to carry out pressing by this concavo-convex muscle between them and fix; In order to increase pressure force, be filled with one deck lubricating grease between the lower end surface of the upper-end surface of rubber ring 3 and lower spheric seat 2; The hole wall of the center hole of rubber ring 3 and lower spheric seat 4 all has the annular muscle of friction damping force between increase and the suspension rod 1; The bottom of rubber ring 3 is set in the center hole of carriage 4, and its top is positioned at the flange top on carriage 4 tops; Gooseneck bracket 6 is comprised of base frame, root and cylinder from bottom to top successively, and the periphery of described root is provided with vertical muscle, be used for to strengthen its intensity, and spring 5 is fastened on described vertical muscle periphery and is fixed; Described cylinder is cone structure, and the interference fit by conical surface and rubber ring provides variable damping force.Below, the lower end that the upper end of spring 5 is set in flange is fastened on the vertical muscle periphery of gooseneck bracket 6, and spring 5 can only carry out fore and aft motion between the base frame of the flange of carriage 4 and gooseneck bracket 6.
When load changes, the carriage that is fixed together, rubber ring drive spring with lower spheric seat and carry out fore and aft motion, the cone column sleeve of gooseneck bracket is entered in the center hole of rubber ring, height size according to its interference fit provides either large or small variable damping force, thereby reaches the effect of vibration damping and noise reduction.
As shown in Figure 3, the vibration damping equipment that is formed by the gooseneck bracket 6, spring 5, carriage 4, rubber ring 3 and the lower spheric seat 2 that are set in successively on the suspension rod 1.When load becomes large, the vibration increase of machinery equipment, noise become large, and this moment in the vibration damping equipment spring 5 since the carriage 4 that is fixed together, rubber ring 3 with lower spheric seat 2 extrusion springs 5, the spring height H of spring 5 is diminished, then the engagement height H1 of the cone post conical surface of gooseneck bracket 6 and rubber ring 3 then increases thereupon, thereby increased friction damping force, the amplitude that reduces to vibrate reaches the purpose of vibration damping and noise reduction.
In addition, if load diminishes, the noise and vibration of machinery equipment is corresponding to diminish, spring then will extend accordingly, it is large that the spring height H of its spring 5 becomes, and the cone post of gooseneck bracket and the engagement height H1 of rubber ring reduce thereupon, thereby have reduced the friction damping force of vibration damping equipment.So no matter the size of load or vibration, can be by changing the damping force of vibration damping equipment, the effect that reaches vibration damping, noise reduction is unanimously effective.
Fac arranges adaptive damping suspension rod vibration damping equipment of the present invention in the rotary drum washing machine, realized that then washing machine is in the unequally loaded situation, vibration damping equipment provides the differentiated friction damping force, thereby realize the vibration of washing machine slow-speed of revolution resonance region when the heavy load dehydration starts, in the situation that large damping decays rapidly; And in high speed dewatering stage during underload, in little damping situation, the generation of vibration of dehydration barrel is effectively isolated, be unlikely to make vibration to be delivered on the washing machine box body, thereby reduce the amplitude of casing, reach the whole dehydration smooth running of assurance washing machine under various loads.
Above embodiment is not limited only to protection scope of the present invention, all make amendment based on basic thought of the present invention or change all belong to protection scope of the present invention.
Claims (7)
1. adaptive damping suspension rod vibration damping equipment, comprise suspension rod, it is characterized in that: described suspension rod bottom is provided with gooseneck bracket, and described gooseneck bracket top is provided with spring, carriage, rubber ring and lower spheric seat successively, and the upper and lower end of described spring is set in respectively on described carriage and the gooseneck bracket; The bottom of described rubber ring is sheathed on the inside of described carriage, both Spielpassung; Described suspension rod passes the center hole of gooseneck bracket, spring, carriage, rubber ring and lower spheric seat successively, and they are fixed.
2. a kind of adaptive damping suspension rod vibration damping equipment according to claim 1, it is characterized in that: the lower end surface of the upper-end surface of described rubber ring and lower spheric seat is respectively equipped with the concavo-convex muscle that matches, and rubber ring and lower spheric seat carry out pressing by the concavo-convex muscle that matches to be fixed; The hole wall of the center hole of the center hole of described rubber ring and lower spheric seat is equipped with annular muscle.
3. a kind of adaptive damping suspension rod vibration damping equipment according to claim 2 is characterized in that: be filled with one deck lubricating grease between the lower end surface of the upper-end surface of described rubber ring and lower spheric seat.
4. a kind of adaptive damping suspension rod vibration damping equipment according to claim 1, it is characterized in that: be provided with flange outside the top of described carriage, the bottom of described rubber ring is set in the center hole of described carriage, and the top of rubber ring is positioned at described flange top; The upper end of described spring is set in the below of described flange.
5. a kind of adaptive damping suspension rod vibration damping equipment according to claim 1, it is characterized in that: described gooseneck bracket is comprised of base frame, root and cylinder, the periphery of described root is provided with vertical muscle, and described spring clip is located at described vertical muscle periphery, and described cylinder is cone structure.
6. a kind of adaptive damping suspension rod vibration damping equipment according to claim 1, it is characterized in that: the bottom of described suspension rod is provided with round boss.
7. a rotary drum washing machine is characterized in that: comprise each described adaptive damping suspension rod vibration damping equipment such as claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104514166A CN102954147A (en) | 2012-11-13 | 2012-11-13 | Variable-damping suspender vibration damper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104514166A CN102954147A (en) | 2012-11-13 | 2012-11-13 | Variable-damping suspender vibration damper |
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| CN102954147A true CN102954147A (en) | 2013-03-06 |
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| CN2012104514166A Pending CN102954147A (en) | 2012-11-13 | 2012-11-13 | Variable-damping suspender vibration damper |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017114035A1 (en) * | 2015-12-30 | 2017-07-06 | 合肥海尔洗衣机有限公司 | Damping-variable vibration damping device for washing machine and washing machine |
| WO2017114036A1 (en) * | 2015-12-30 | 2017-07-06 | 合肥海尔洗衣机有限公司 | Washing machine variable damping shock absorbing device and washing machine |
| WO2017114037A1 (en) * | 2015-12-30 | 2017-07-06 | 合肥海尔洗衣机有限公司 | Washing machine variable damping shock absorbing device and washing machine |
| CN107211642A (en) * | 2017-07-12 | 2017-09-29 | 西华大学 | A kind of harvester reciprocating cutterbar vibration absorber |
| CN107663741A (en) * | 2017-10-09 | 2018-02-06 | 无锡小天鹅股份有限公司 | Hang shock mitigation system and washing machine |
| CN112275012A (en) * | 2020-12-18 | 2021-01-29 | 东营冰楚技术服务有限公司 | Mud vibrating screen for well drilling and working method thereof |
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| JPH06233893A (en) * | 1993-02-08 | 1994-08-23 | Matsushita Electric Ind Co Ltd | Automatic washing machine |
| US5606879A (en) * | 1995-05-26 | 1997-03-04 | General Electric Company | Automatic washing machine suspension system |
| CN2851319Y (en) * | 2005-08-03 | 2006-12-27 | 无锡小天鹅股份有限公司 | Suspension device for washing machine |
| CN201952643U (en) * | 2010-12-20 | 2011-08-31 | 苏州三星电子有限公司 | Spring damper for wave-wheel washing machine |
| CN102767066A (en) * | 2012-07-21 | 2012-11-07 | 海尔集团公司 | Vibration attenuation component of washing machine, and washing machine |
| CN202992009U (en) * | 2012-11-13 | 2013-06-12 | 合肥荣事达三洋电器股份有限公司 | variable-damping suspender vibration-attenuation device and pulsator washing machine with same |
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- 2012-11-13 CN CN2012104514166A patent/CN102954147A/en active Pending
Patent Citations (6)
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| JPH06233893A (en) * | 1993-02-08 | 1994-08-23 | Matsushita Electric Ind Co Ltd | Automatic washing machine |
| US5606879A (en) * | 1995-05-26 | 1997-03-04 | General Electric Company | Automatic washing machine suspension system |
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| CN201952643U (en) * | 2010-12-20 | 2011-08-31 | 苏州三星电子有限公司 | Spring damper for wave-wheel washing machine |
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| CN202992009U (en) * | 2012-11-13 | 2013-06-12 | 合肥荣事达三洋电器股份有限公司 | variable-damping suspender vibration-attenuation device and pulsator washing machine with same |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017114035A1 (en) * | 2015-12-30 | 2017-07-06 | 合肥海尔洗衣机有限公司 | Damping-variable vibration damping device for washing machine and washing machine |
| WO2017114036A1 (en) * | 2015-12-30 | 2017-07-06 | 合肥海尔洗衣机有限公司 | Washing machine variable damping shock absorbing device and washing machine |
| WO2017114037A1 (en) * | 2015-12-30 | 2017-07-06 | 合肥海尔洗衣机有限公司 | Washing machine variable damping shock absorbing device and washing machine |
| CN106930046A (en) * | 2015-12-30 | 2017-07-07 | 合肥海尔洗衣机有限公司 | A kind of washing machine mutative damp vibration absorber and washing machine |
| CN106930047A (en) * | 2015-12-30 | 2017-07-07 | 合肥海尔洗衣机有限公司 | A kind of washing machine mutative damp vibration absorber and washing machine |
| CN106930045A (en) * | 2015-12-30 | 2017-07-07 | 合肥海尔洗衣机有限公司 | A kind of washing machine mutative damp vibration absorber and washing machine |
| CN106930046B (en) * | 2015-12-30 | 2020-06-19 | 合肥海尔洗衣机有限公司 | Variable-damping vibration attenuation device of washing machine and washing machine |
| CN107211642A (en) * | 2017-07-12 | 2017-09-29 | 西华大学 | A kind of harvester reciprocating cutterbar vibration absorber |
| CN107663741A (en) * | 2017-10-09 | 2018-02-06 | 无锡小天鹅股份有限公司 | Hang shock mitigation system and washing machine |
| CN112275012A (en) * | 2020-12-18 | 2021-01-29 | 东营冰楚技术服务有限公司 | Mud vibrating screen for well drilling and working method thereof |
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Application publication date: 20130306 |