CN1730781A - Multiple vibration damper for washing machine - Google Patents
Multiple vibration damper for washing machine Download PDFInfo
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- CN1730781A CN1730781A CN 200410020283 CN200410020283A CN1730781A CN 1730781 A CN1730781 A CN 1730781A CN 200410020283 CN200410020283 CN 200410020283 CN 200410020283 A CN200410020283 A CN 200410020283A CN 1730781 A CN1730781 A CN 1730781A
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Abstract
The multiple damper for washer includes cylinder, piston, the first friction unit, the second friction unit and the third friction unit. The piston reciprocates inside the cylinder; the first friction unit is formed on the outside of the piston; the second friction unit is formed on the outside of the throttle ring set in the end of the piston and capable of moving relatively to the piston; and the third friction unit is set inside the throttle ring. When the inner tank is in over vibration state, the multiple damper has its first friction unit and the second friction unit produce resultant attenuation force; and when the inner tank is in normal vibration state, the first friction unit and the second friction unit produce resultant attenuation force; so as to minimize the vibration transmitted to the casing.
Description
Technical field
The present invention relates to a kind of washing machine; Furtherly, the damping device (MULTIPLE DAMPING DEVICE FOR WASHER) that relates to a kind of washing machine.
Background technology
In general, washing machine is the machine that the percussion of decomposition by chemistry and machinery is removed the dirt on the washings or foul.
Wherein, roller washing machine can reduce whole height, and can increase capacity than agitator (PULSATOR) washing machine of endways rotation inside groove, and problem such as take place that washings tangles hardly is so the trend that the demand of roller washing machine is tending towards rising gradually.
With reference to the accompanying drawings, the structure to general roller washing machine is elaborated.
Fig. 1 demonstrates the profile of prior art roller washing machine structure simply.
As shown in Figure 1, roller washing machine includes following structure substantially: water jacket 20, inside groove 30 and drive division 40.Above-mentioned water jacket 20 is supported on the inside of casing (CABINET10) by friction damper 100 and suspension spring 50, and above-mentioned casing 10 forms the outward appearance of roller washing machines; Above-mentioned inside groove 30 cylindrical shapes can be arranged in the above-mentioned water jacket 30 rotatably; Above-mentioned drive division 40 carries out axle with above-mentioned inside groove 30 and links.
In addition, be provided with suspension spring (suspension spring) 50 between the outer peripheral face upper side of the upper side inboard of above-mentioned casing 10 and water jacket 20, above-mentioned suspension spring 50 is used to support water jacket 20; Be provided with friction damper (frictiondamper) 100, the vibration of the water jacket 20 that produces when above-mentioned friction damper 100 is used to weaken dehydration in the bottom surfaces of above-mentioned casing 10 outer peripheral face lower side inboard and water jacket 20.
Below, the work of above-mentioned roller washing machine is described.
At first, when the user carries out the washing of washings, after washings is dropped in the inside of above-mentioned inside groove 30, start washing machine, then supplying washing water in above-mentioned inside groove 30.If finish water supply, then under washings is immersed in state in the washings, the driving force by above-mentioned drive division 40 is rotated inside groove 30.Along with the rotation of above-mentioned inside groove 30, washings and the washings of putting into inside groove 30 inboards after rising to certain altitude, upside are dropped downwards along the inside of above-mentioned inside groove 30; By carrying out said process repeatedly, make to produce friction between washings and inside groove 30 the insides, by the effect of above-mentioned friction and washing agent washings is washed.
If finish washing process, then, begin to carry out dehydration through after carrying out the several rinse cycle.In dehydration, make the rotation execution dehydration at a high speed of above-mentioned inside groove 30.
When carrying out above-mentioned dehydration stroke, the revolution of inside groove 30 is increased to the target revolution from the inactive state linearity; At the low rotation initial stage of revolution, the field consistent with eigentone at the revolution of above-mentioned inside groove 30 can produce covibration, and the transient state that above-mentioned inside groove 30 is produced with large-amplitude vibration vibrates.
In addition, if along with the increase of revolution breaks away from above-mentioned resonance field, the amplitude of above-mentioned inside groove 30 is diminished gradually enter normal condition vibration field.
So the vibration of above-mentioned washing machine inside groove 30 is the center with the resonance point along with the revolution of inside groove 30 changes; The vibration transfer of above-mentioned inside groove 30 is given water jacket 20, at this moment absorbs by suspension spring 50 and friction damper 100 and weakens the vibration that is delivered to above-mentioned water jacket 20; Above-mentioned suspension spring 50 is arranged on the top of water jacket 20, and above-mentioned friction damper 100 is arranged on the bottom of water jacket 20.
Fig. 2 demonstrates the profile of the friction damper of prior art.
As shown in Figure 2, the friction damper 100 of prior art includes following structure substantially: the cylinder of hollow (CYLINDER) 110, piston (PISTON) the 120, the 1st insertion groove the 122, the 2nd insertion groove the 124, the 1st friction rubber ring 126 and the 2nd friction rubber ring 128.Above-mentioned piston 120 carries out back and forth movement in above-mentioned cylinder 110; Above-mentioned the 1st insertion groove 122 is formed on the outer peripheral face of above-mentioned piston 120; Above-mentioned the 2nd insertion groove 124 is formed on above-mentioned the 1st insertion groove 122 and keeps on the position of a determining deviation; Above-mentioned the 1st friction rubber ring 126 and the 2nd friction rubber ring 128 are inserted in respectively in above-mentioned each insertion groove, rub with the inner peripheral surface of above-mentioned cylinder 110.
So if above-mentioned water jacket 20 is vibrated, the piston 120 that makes above-mentioned friction damper 100 is along with the vibration of above-mentioned water jacket 20 is carried out back and forth movement in the inside of cylinder 110.At this moment, the frictional force F2's of the frictional force F1 of the 1st friction rubber ring 126 by being arranged on above-mentioned piston 120 outer peripheral faces and the 2nd friction rubber ring 128 makes a concerted effort to play the effect that weakens vibration.
But when entering the normal vibration state behind the above-mentioned undue oscillation state of process, above-mentioned inside groove 30 normally is rotated needs to carry out dehydration, but owing to the damping force of above-mentioned friction damper 100 plays vibrative reason on the contrary under the normal vibration state.
That is to say the frictional force of making a concerted effort to keep above-mentioned friction damper 100 of frictional force F2 of frictional force F1 and the 2nd friction rubber ring 128 by above-mentioned the 1st friction rubber ring 126; As shown in Figure 3, after the dehydration stroke began, the revolution that makes inside groove 30 was when the field of undue oscillation state, in order to weaken the vibration of above-mentioned inside groove 30, the damping force that only makes above-mentioned friction damper 100 promptly, frictional force is big, could reduce to pass to the driving force that makes water jacket 20 vibrations; If but when entering the field of normal vibration state along with the revolution increase of above-mentioned inside groove 30, the big more transfer of vibration power that passes on the water jacket that makes on the contrary of the damping force of above-mentioned friction damper 100 becomes big, finally causes increasing the weight of the vibration of above-mentioned water jacket 20.
So,,, the transmission power that passes to water jacket 20 under the normal vibration state is become cause producing vibration greatly if increase the damping force of above-mentioned friction damper 100 in order to control the vibration of undue oscillation state; In order to weaken the vibration of normal vibration state,, brought difficulty then for the vibration of control undue oscillation state if reduce damping force.
Summary of the invention
The present invention proposes for the problem that solves above-mentioned prior art, the multiple damping device that the purpose of this invention is to provide the washing machine that can bring following effect: the structure of the friction damper by improving washing machine can have optimal damping force at all spectras such as the undue oscillation state of above-mentioned inside groove and normal vibration states.
In order to realize purpose of the present invention, washing machine includes following structure substantially: casing, water jacket, inside groove and damper.Above-mentioned casing forms the outward appearance of washing machine; Above-mentioned water jacket is arranged in the above-mentioned casing; Above-mentioned inside groove can be rotatably set in the above-mentioned water jacket; Above-mentioned damper is arranged between above-mentioned casing and the water jacket, is used to weaken the transient state vibration and the normal condition vibration that pass on the above-mentioned water jacket.For above-mentioned washing machine, the invention provides and include the multiple damping device that following structure is the washing machine of feature: above-mentioned damper includes following structure: the cylinder of hollow, piston, the 1st friction part, a pair of brake, the ring that shuttles back and forth, the 2nd friction part and the 3rd friction part.Above-mentioned piston carries out back and forth movement in above-mentioned cylinder; Above-mentioned the 1st friction part is formed on the outer peripheral face of above-mentioned piston, and when above-mentioned piston carried out back and forth movement, the inner peripheral surface of friction means and above-mentioned cylinder rubbed and plays the attenuation that absorbs vibration; Above-mentioned a pair of brake keeps certain distance to be formed on the terminal part of above-mentioned piston; Hollow and annular above-mentioned shuttle back and forth ring between above-mentioned brake and the outer peripheral face of above-mentioned piston slide; Above-mentioned the 2nd friction part is formed on the outer peripheral face of the ring that shuttles back and forth, with the inner peripheral surface CONTACT WITH FRICTION of above-mentioned cylinder; Above-mentioned the 3rd friction part is formed on the inner peripheral surface of the above-mentioned ring that shuttles back and forth, with the outer peripheral face CONTACT WITH FRICTION of above-mentioned piston.
The multiple damping device of washing machine provided by the invention can bring following effect.
In the multiple damping device of washing machine of the present invention, when above-mentioned inside groove is in the undue oscillation state, on above-mentioned friction damper, produce the damping force of the degree of making a concerted effort of F1 '+F2 '; When above-mentioned inside groove is in the normal vibration state, produce the damping force of the degree of making a concerted effort of the F1 '+F3 ' littler than F1 '+F2 '.So with reference to the coordinate diagram of Fig. 3, owing to have a big damping force when the undue oscillation state, specific damping power hour can weaken the vibration that passes to water jacket more; When the normal vibration state, have little damping force, can weaken the vibration that passes to water jacket when specific damping power is big, so can make the vibration minimum that is delivered to casing.
Description of drawings
Fig. 1 demonstrates the profile of prior art roller washing machine structure simply;
Fig. 2 demonstrates the profile of the friction damper of prior art;
Fig. 3 demonstrates the coordinate diagram (GRAPH) of vibration transfer power under normal vibration state and undue oscillation state and damping force relation;
Fig. 4 demonstrates the profile of multiple damping device of the washing machine of the present invention the 1st embodiment;
Fig. 5 demonstrates the oblique view of the multiple damping device part incision of washing machine of the present invention;
Fig. 6 demonstrates the oblique view of buffering ring of multiple damping device of the washing machine of the present invention the 2nd embodiment.
The critical piece description of reference numerals
200: friction damper 210: cylinder
220: 222: the 1 insertion grooves of piston
224: the 1 friction rubber rings 230: bar
232: brake ring flange 240: ring shuttles back and forth
242: the 2 insertion grooves friction in 244: the 2 rubber ring
246: the 3 insertion grooves friction in 248: the 3 rubber ring
249: projection 250: buffering ring
260: ring
The specific embodiment
With reference to the accompanying drawings, the embodiment to the multiple damping device of washing machine of the present invention is elaborated.
In addition, below in the explanation, for the part identical in the main composition key element of the multiple damping device of washing machine of the present invention with prior art, with reference to Fig. 1 so that the prior art that Fig. 3 demonstrates is quoted same-sign.
Fig. 4 demonstrates the profile of the multiple damping device (below be called friction damper 200) of the washing machine of the present invention the 1st embodiment.
At first, as shown in Figure 4, the friction damper 200 of washing machine of the present invention includes cylinder 210 and piston 220.Above-mentioned cylinder 210 is the drums with hollow; Above-mentioned piston 220 has and the corresponding drum of the hollow bulb of cylinder 210, carries out back and forth movement in the inside of above-mentioned cylinder 210.
In addition, be formed with bar (ROD) 230 at the end of above-mentioned piston 220, the diameter of above-mentioned bar 230 is terminal littler than piston 220, prolongs according to certain-length along the outside to form; End at above-mentioned bar 230 is formed with brake ring flange (STOPPER FLANGER) 232, and above-mentioned brake ring flange 232 forms the diameters disc-shape bigger than above-mentioned bar 230.
In addition, be provided with the ring that shuttles back and forth (SHUTTLE RING) 240, the ring-type that the above-mentioned ring 240 that shuttles back and forth has hollow, above-mentioned hollow bulb is inserted on the above-mentioned bar 230, makes the ring 240 that shuttles back and forth can freely move mutually with above-mentioned piston 220 between the end of above-mentioned piston 220 and brake ring flange 232.
At this moment, the diameter that the diameter of above-mentioned hollow cans be compared to most above-mentioned bar 230 is big, can prevent that the above-mentioned ring 240 that shuttles back and forth is obstructed when mobile between the end of above-mentioned piston 220 and brake ring flange 232.
Peripheral recesses at the outer peripheral face of the terminal part of above-mentioned piston 220 is formed with the 1st insertion groove 222; Be inserted with the 1st friction rubber ring 224 in above-mentioned the 1st insertion groove 222, above-mentioned the 1st friction rubber ring 224 CONTACT WITH FRICTION are on the inner peripheral surface of above-mentioned cylinder 210.
Fig. 5 demonstrates the oblique view of the multiple damping device part incision of washing machine of the present invention.
As shown in Figure 5, be formed with the 2nd insertion groove 242 in above-mentioned peripheral recesses of shuttling back and forth ring 240 outer peripheral face; Be inserted with the 2nd friction rubber ring 244 in above-mentioned the 2nd insertion groove 242, above-mentioned the 2nd friction rubber ring 244 CONTACT WITH FRICTION are on the inner peripheral surface of above-mentioned cylinder 210.
In addition, be formed with the 3rd insertion groove 246 in above-mentioned peripheral recesses of shuttling back and forth ring 240 inner peripheral surface; Be inserted with the 3rd friction rubber ring 248 in above-mentioned the 3rd insertion groove 246, above-mentioned the 3rd friction rubber ring 248 CONTACT WITH FRICTION are on the outer peripheral face of above-mentioned bar 230.
Wherein, since the inner peripheral surface of above-mentioned the 1st friction rubber ring 224 and the 2nd friction rubber ring 244 and the 3rd friction rubber ring 248 and above-mentioned cylinder 210 or with the outer peripheral face CONTACT WITH FRICTION of above-mentioned bar 230, preferably be made by not only good coefficient of friction of ABRASION RESISTANCE but also big rubber material.
In addition, preferably make during making the frictional force of above-mentioned the 2nd friction rubber ring 244 bigger than the frictional force of above-mentioned the 3rd friction rubber ring 248.
In addition, possesses the buffering ring 250 that ring-type is arranged at the terminal surface of above-mentioned piston 220 and the medial surface of brake ring flange 232, the impact that the medial surface that the buffering ring of being made by the elastic material of rubber etc. 250 is used to relax the terminal surface of above-mentioned shuttle back and forth ring 240 and piston 220 and brake ring flange 232 brings when contacting.
In addition, on above-mentioned shuttle back and forth ring 240 and the two sides that join of buffering ring 250, be preferably formed as the projection 249 of a plurality of semi-spherical shape of a circle, so the impact noise minimum that above-mentioned ring 240 contacts of shuttling back and forth are produced on above-mentioned buffering ring 250 time.
Fig. 6 demonstrates the oblique view of buffering ring of multiple damping device of the washing machine of the present invention the 2nd embodiment.
As shown in Figure 6, do not form projection in the two sides of the ring that shuttles back and forth, but above-mentioned buffering ring 350 with the ring abutted surface that shuttles back and forth on form jog 352.
In addition, as shown in Figure 4, an end of above-mentioned cylinder 210 and an end of piston 220 be formed with the ring 260, above-mentioned ring 260 above-mentioned friction damper 200 can be arranged on water jacket 20 (with reference to Fig. 1) and casing 10 (with reference to Fig. 1) between.
In said structure, the length of an interval degree that the above-mentioned 240 pairs of above-mentioned pistons 220 of ring that shuttle back and forth relatively move is close (a+b) apart from a and distance b; Above-mentioned apart from a be from the buffering ring 250 that is fixed on above-mentioned piston 220 terminal surfaces to a side of above-mentioned buffering ring 250 ring 240 that shuttles back and forth vis-a-vis till distance; Above-mentioned distance b be from the buffering ring 250 that is fixed on above-mentioned brake ring flange 232 medial surfaces to a side of above-mentioned buffering ring 250 ring 240 that shuttles back and forth vis-a-vis till distance.
Wherein, the length of above-mentioned bar 230 makes length of an interval degree (a+b) that the above-mentioned 240 pairs of above-mentioned pistons 220 of ring that shuttle back and forth relatively move identical with the length of above-mentioned piston 220 range of movement when the normal condition of the inside groove 30 (with reference to Fig. 1) of above-mentioned washing machine is vibrated.
So, the displacement of above-mentioned piston 220 is than above-mentioned ring 240 the siding-to-siding block length that relatively moves (a+b) hour of shuttling back and forth, the above-mentioned ring 240 that shuttles back and forth is fixed on certain position of above-mentioned cylinder 210 inner peripheral surfaces by above-mentioned the 2nd friction rubber ring 244, slide between the bar 230 of above-mentioned shuttle back and forth ring 240 and above-mentioned piston 220, at this moment on above-mentioned friction damper 200, produce making a concerted effort of damping force F1 ' and damping force F3 ', above-mentioned damping force F1 ' is the frictional force by the inner peripheral surface that is formed on friction rubber ring 224 of the 1st on the above-mentioned piston 220 and cylinder 210, and above-mentioned damping force F3 ' is the frictional force by the outer peripheral face of the 3rd friction rubber ring 248 that is formed on above-mentioned ring 240 inner peripheral surfaces that shuttle back and forth and bar 230.
In addition, when the displacement of above-mentioned piston 220 is bigger than above-mentioned ring 240 the siding-to-siding block length that relatively moves (a+b) that shuttles back and forth, the above-mentioned ring 240 of shuttling back and forth contact with the terminal surface of above-mentioned piston 220 or the medial surface of brake ring flange 232, and mobile together with above-mentioned piston 220; At this moment on above-mentioned friction damper 200, produce making a concerted effort of the damping force F1 ' of above-mentioned the 1st friction rubber components 224 and the fricative damping force F2 ' of inner peripheral surface by the 2nd friction rubber ring 244 and cylinder 210.
Below, the effect of the multiple damping device of washing machine of the present invention with said structure is elaborated.
After the dehydration stroke of washing machine begins, make inside groove 30 (with reference to Fig. 1) when inactive state begins to rotate,, then make above-mentioned inside groove 30 enter undue oscillation state with large-amplitude vibration if the revolution of above-mentioned inside groove 30 enters the resonance field.
At this moment, the vibration transfer of above-mentioned inside groove 30 is given water jacket 20 (with reference to Fig. 1), the vibration transfer of above-mentioned water jacket 20 is given friction damper 200 of the present invention, make above-mentioned piston 220 carry out back and forth movement in the inside of cylinder 210 according to the amplitude of above-mentioned water jacket 20, at this moment because above-mentioned inside groove 30 is in the undue oscillation state, the interval width (a+b) that relatively moves of the above-mentioned ring 240 that shuttles back and forth of the amplitude ratio of above-mentioned piston 220 is big.So, at the damping force of degree with joint efforts of above-mentioned friction damper 200 generation F1 ' and F2 '.
In addition, if along with above-mentioned resonance field is broken away from the increase of revolution, the amplitude of above-mentioned inside groove 30 is diminished gradually enter the normal vibration state, so, owing to the interval width (a+b) that relatively moves of the above-mentioned ring 240 that shuttles back and forth of the amplitude ratio of above-mentioned piston 220 is diminished, produce the damping force of the degree of making a concerted effort of F1 ' and F3 ' at above-mentioned friction damper 200.
As mentioned above, the frictional force of above-mentioned the 2nd friction rubber ring 244 is bigger than the frictional force of the 3rd friction rubber ring 248, vibration attenuation power and frictional force that frictional force causes are proportional, so the damping force F3 ' of damping force F2 ' ratio the 3rd friction rubber ring 248 of above-mentioned the 2nd friction rubber ring 244 is big.
So when the vibration of the transient state of above-mentioned inside groove 30, act on complete attenuation power F1 '+F2 ' ratio on the above-mentioned friction damper 200 when the normal condition vibration of above-mentioned inside groove 30F1 ', act on the above-mentioned friction damper 200 complete attenuation power F1 '+F3 ' greatly.
Claims (12)
1, a kind of multiple damping device of washing machine is arranged in the washing machine, and wherein above-mentioned washing machine comprises substantially: casing, water jacket, inside groove and damper; Above-mentioned casing forms the outward appearance of washing machine; Above-mentioned water jacket is arranged in the above-mentioned casing; Above-mentioned inside groove can be rotatably set in the above-mentioned water jacket; Above-mentioned damper is arranged between above-mentioned casing and the water jacket, is used to weaken the transient state vibration and the normal condition vibration that pass on the above-mentioned water jacket; It is characterized in that:
Above-mentioned damper comprises: the cylinder of hollow, piston, the 1st friction part, a pair of brake, the ring that shuttles back and forth, the 2nd friction part and the 3rd friction part;
Above-mentioned piston carries out back and forth movement in above-mentioned cylinder;
Above-mentioned the 1st friction part is formed on the outer peripheral face of above-mentioned piston, and when above-mentioned piston carried out back and forth movement, the inner peripheral surface of friction means and above-mentioned cylinder rubbed and plays the attenuation that absorbs vibration;
Above-mentioned a pair of brake keeps certain distance to be formed on the terminal part of above-mentioned piston;
Hollow and annular above-mentioned shuttle back and forth ring between above-mentioned brake and the outer peripheral face of above-mentioned piston slide;
Above-mentioned the 2nd friction part is formed on the outer peripheral face of the ring that shuttles back and forth, with the inner peripheral surface CONTACT WITH FRICTION of above-mentioned cylinder;
Above-mentioned the 3rd friction part is formed on the inner peripheral surface of the above-mentioned ring that shuttles back and forth, with the outer peripheral face CONTACT WITH FRICTION of above-mentioned piston.
2, the multiple damping device of washing machine according to claim 1 is characterized in that:
Above-mentioned the 1st friction part includes insertion groove and friction means;
Above-mentioned insertion groove is formed on the outer peripheral face of above-mentioned piston;
Above-mentioned friction means is inserted in the above-mentioned insertion groove, the inner peripheral surface CONTACT WITH FRICTION of friction means and above-mentioned cylinder.
3, the multiple damping device of washing machine according to claim 1 is characterized in that:
Above-mentioned the 2nd friction part includes insertion groove and friction means;
Above-mentioned insertion groove is formed on the outer peripheral face of the above-mentioned ring that shuttles back and forth;
Above-mentioned friction means is inserted in the above-mentioned insertion groove, the inner peripheral surface CONTACT WITH FRICTION of friction means and above-mentioned cylinder.
4, the multiple damping device of washing machine according to claim 1 is characterized in that:
Above-mentioned the 3rd friction part includes insertion groove and friction means;
Above-mentioned insertion groove is formed on the inner peripheral surface of hollow of the above-mentioned ring that shuttles back and forth;
Above-mentioned friction means is inserted in the above-mentioned insertion groove, the outer peripheral face CONTACT WITH FRICTION of friction means and above-mentioned piston.
5, the multiple damping device of washing machine according to claim 1 is characterized in that:
In above-mentioned two brakes, be formed on inboard brake and be the section difference face that the diameter than above-mentioned piston end diminishes and forms.
6, the multiple damping device of washing machine according to claim 1 is characterized in that:
The above-mentioned ring length of moving section between above-mentioned brake of shuttling back and forth is, when washing machine is carried out the vibration that makes above-mentioned inside groove in the dehydration stroke and is in the normal condition vibration, is equivalent to the length of the range of movement of above-mentioned piston.
7, the multiple damping device of washing machine according to claim 1 is characterized in that:
The vibration attenuation power of above-mentioned the 1st friction part of vibration attenuation force rate of above-mentioned the 2nd friction part is big.
8, the multiple damping device of washing machine according to claim 1 is characterized in that:
Also include the buffer unit that is fixed on above-mentioned each brake face vis-a-vis, above-mentioned buffer unit is used to cushion above-mentioned impact of shuttling back and forth between ring and brake.
9, the multiple damping device of washing machine according to claim 8 is characterized in that:
Above-mentioned buffer unit has ring-type, is formed by elastic material.
10, the multiple damping device of washing machine according to claim 9 is characterized in that:
Above-mentioned buffer unit with the ring abutted surface that shuttles back and forth on form concavo-convex.
11, the multiple damping device of washing machine according to claim 9 is characterized in that:
With above-mentioned buffer unit join shuttle back and forth the ring two sides on be formed with a plurality of juts.
12, according to the multiple damping device of any one described washing machine of claim 2 to 4, it is characterized in that:
Above-mentioned friction means is formed by rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020283 CN1730781A (en) | 2004-08-06 | 2004-08-06 | Multiple vibration damper for washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410020283 CN1730781A (en) | 2004-08-06 | 2004-08-06 | Multiple vibration damper for washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1730781A true CN1730781A (en) | 2006-02-08 |
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ID=35963197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410020283 Pending CN1730781A (en) | 2004-08-06 | 2004-08-06 | Multiple vibration damper for washing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN1730781A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016173533A1 (en) * | 2015-04-30 | 2016-11-03 | 青岛海尔洗衣机有限公司 | Controllable damping shock absorber and washing machine |
| WO2020063361A1 (en) * | 2018-09-29 | 2020-04-02 | 青岛海尔洗衣机有限公司 | Shock absorber for washing machine and washing machine |
| CN110965268A (en) * | 2018-09-29 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Washing machine shock absorber and washing machine |
| CN110965269A (en) * | 2018-09-29 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Washing machine shock absorber and washing machine |
| CN110965267A (en) * | 2018-09-29 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Washing machine shock absorber and washing machine |
| WO2020082981A1 (en) * | 2018-10-23 | 2020-04-30 | 青岛海尔滚筒洗衣机有限公司 | Variable damping shock absorber and clothing processing device |
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2004
- 2004-08-06 CN CN 200410020283 patent/CN1730781A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016173533A1 (en) * | 2015-04-30 | 2016-11-03 | 青岛海尔洗衣机有限公司 | Controllable damping shock absorber and washing machine |
| JP2018515725A (en) * | 2015-04-30 | 2018-06-14 | 青島海爾洗衣机有限公司ＱｉｎｇＤａｏ Ｈａｉｅｒ Ｗａｓｈｉｎｇ Ｍａｃｈｉｎｅ Ｃｏ．，Ｌｔｄ． | Damping variable shock absorber and washing machine |
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| CN110965268A (en) * | 2018-09-29 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Washing machine shock absorber and washing machine |
| CN110965269A (en) * | 2018-09-29 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Washing machine shock absorber and washing machine |
| CN110965267A (en) * | 2018-09-29 | 2020-04-07 | 青岛海尔洗衣机有限公司 | Washing machine shock absorber and washing machine |
| WO2020063361A1 (en) * | 2018-09-29 | 2020-04-02 | 青岛海尔洗衣机有限公司 | Shock absorber for washing machine and washing machine |
| CN110965268B (en) * | 2018-09-29 | 2022-05-13 | 青岛海尔洗衣机有限公司 | Washing machine shock absorber and washing machine |
| CN110965267B (en) * | 2018-09-29 | 2022-05-24 | 青岛海尔洗衣机有限公司 | Washing machine shock absorber and washing machine |
| WO2020082981A1 (en) * | 2018-10-23 | 2020-04-30 | 青岛海尔滚筒洗衣机有限公司 | Variable damping shock absorber and clothing processing device |
| CN111088659A (en) * | 2018-10-23 | 2020-05-01 | 青岛海尔滚筒洗衣机有限公司 | Variable damping shock absorber and clothes treatment equipment |
| JP2022505651A (en) * | 2018-10-23 | 2022-01-14 | 青島海爾▲滾▼筒洗衣机有限公司 | Variable damping damper and garment processing equipment |
| CN111088659B (en) * | 2018-10-23 | 2022-06-17 | 合肥海尔滚筒洗衣机有限公司 | Variable damping shock absorber and clothes treatment equipment |
| JP7141527B2 (en) | 2018-10-23 | 2022-09-22 | 青島海爾▲滾▼筒洗衣机有限公司 | Attenuation variable damper and clothes handling equipment |
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