CN114606722A - Three-power transmission mechanism and washing machine clutch - Google Patents
Three-power transmission mechanism and washing machine clutch Download PDFInfo
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- CN114606722A CN114606722A CN202210318309.XA CN202210318309A CN114606722A CN 114606722 A CN114606722 A CN 114606722A CN 202210318309 A CN202210318309 A CN 202210318309A CN 114606722 A CN114606722 A CN 114606722A
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- gear train
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- output shaft
- power
- planet
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 69
- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 238000005406 washing Methods 0.000 title claims abstract description 27
- 230000000670 limiting effect Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009467 reduction Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009365 direct transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- 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
- D06F37/30—Driving arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a three-power transmission mechanism and a washing machine clutch, wherein the three-power transmission mechanism comprises an input shaft, an inner gear ring, a lower planetary gear train and an upper planetary gear train, a sun gear at the upper end of the input shaft is in transmission engagement with the lower planetary gear train, and an output shaft for outputting first power is in transmission connection with the lower planetary gear train; the upper planetary gear train and the lower planetary gear train are respectively meshed with the inner gear ring, the upper planetary gear train and the lower planetary gear train are in transmission meshing, and a second output shaft sleeve for outputting third power is in transmission connection with the upper planetary gear train; a first output shaft sleeve for outputting second power is in transmission engagement with the upper planetary gear train and enables the second power to be opposite to the first power in direction; the planetary gear train has the advantages that the upper planetary gear train and the lower planetary gear train are directly engaged in transmission, and the transmission between the upper planetary gear train and the lower planetary gear train is stable under the limiting action of the same inner gear ring; the first output shaft sleeve is meshed with the upper planetary gear train in a transmission mode, so that the direction of the second power is opposite to that of the first power, the two phases are combined to form Taiji thrust, clothes can be pushed to roll better, and the washing effect is stronger.
Description
Technical Field
The invention belongs to the technical field of transmission of washing machines, and particularly relates to a three-power transmission mechanism and a washing machine clutch.
Background
The washing machine is a cleaning appliance which utilizes the mechanical action generated by electric energy to drive water flow to wash clothes and is applied to every family. The existing washing machine mostly adopts a clutch to switch washing and dewatering functions, and related designers upgrade and transform the original single-power clutch into a double-power clutch, namely a triple-power clutch, so that water flow in a washing tub can form a multi-circle circulation flow during washing; for example, the chinese invention application with publication number CN108691148A, entitled "a three-power-output speed-reducing clutch device, a washing machine and a control method thereof", can generate internal circulation, intermediate circulation and external circulation, but because the output shaft gear and the output shaft are coaxially arranged, the assembly of the output shaft will affect the degree of matching between the output shaft gear and the gear of the up-going star wheel, and the output shaft and the down-going star wheel frame are in spline fit, the backlash between spline teeth will cause the axial perpendicularity of the output shaft gear to have process inclination, will occasionally disturb the matching between the output shaft gear and the up-going star wheel, cause relatively large wear between them, reduce the service life, and the intermediate circulation and the internal circulation are designed in the same direction, the power generated by the speed difference between them will not have strong enough power to the rolling effect of the clothes, but usually under the action of centrifugal force, the laundry has a light weight and moves toward the center, so that the washing effect is not ideal, and improvement is urgently needed.
Disclosure of Invention
The invention provides a three-power transmission mechanism, the transmission of a planetary gear train is stable, the direction of intermediate circulation generated by driving is opposite to that of internal circulation during washing, and the effect of pushing the clothes to roll over is stronger.
The technical scheme adopted by the three-power transmission mechanism for solving the technical problems is as follows: a three-power transmission mechanism comprises an input shaft, an inner gear ring, a lower planetary gear train, an upper planetary gear train, an output shaft, a first output shaft sleeve and a second output shaft sleeve, wherein the output shaft is sequentially arranged outwards and used for outputting first power, outputting second power, and outputting third power; the lower planetary gear train and the upper planetary gear train are respectively meshed with the inner gear ring, the upper planetary gear train is in transmission meshing with the lower planetary gear train, and the second output shaft sleeve is in transmission connection with the upper planetary gear train; the first output shaft sleeve is in transmission engagement with the upper planetary gear train and enables the direction of the second power to be opposite to the direction of the first power.
Compared with the prior art, the three-power transmission mechanism has the advantages that the upper planetary gear train and the lower planetary gear train are in transmission engagement and direct transmission, and the transmission between the upper planetary gear train and the lower planetary gear train is more stable under the radial limiting action of the same inner gear ring; and the first output shaft sleeve is in transmission meshing with the upper planetary gear train, so that the direction of the second power is opposite to that of the first power, and the two powers in opposite directions are combined to form Taiji thrust, so that clothes can be better pushed to roll, and the washing effect is enhanced.
One of the preferred methods is: an outer gear ring is arranged outside an output shaft inserting seat of a first planet upper bracket of the lower planet wheel system; the upper planetary gear train comprises a second planetary upper bracket, a plurality of groups of mutually meshed first planetary gears and second planetary gears; the first planet wheel is externally engaged with an outer gear ring of the first planet upper support, the second planet wheel is internally engaged with an inner gear ring, the first output shaft sleeve is externally engaged with the second planet wheel through a transmission gear ring, and the second output shaft sleeve is in transmission connection with the second planet upper support. The direction of the first power is opposite to the direction of the second power and the third power, and the external circulation current pushed by the third power provides thrust support for the intermediate circulation current formed by the second power so as to enhance the pushing effect of the intermediate circulation current of the second power on the tumbling of the clothes.
The other is preferably: an outer gear ring is arranged outside an output shaft inserting seat of a first planet upper bracket of the lower planet wheel system; the upper planetary gear train comprises a second planetary upper bracket, a plurality of groups of mutually meshed first planetary gears and second planetary gears; the first planet wheel is externally engaged with an outer gear ring of the first planet upper support, the first planet wheel is internally engaged with the inner gear ring, the first output shaft sleeve is externally engaged with the second planet wheel, and the second output shaft sleeve is in transmission connection with the second planet upper support. The direction of the second power is opposite to that of the first power and the third power, the direction of the intermediate circulation flow is opposite to that of the internal circulation flow and the direction of the external circulation flow during washing, the intermediate circulation flow and the internal circulation flow form Taiji thrust, the intermediate circulation flow and the external circulation flow also form Taiji thrust, more clothes can be pushed to accelerate rolling, and the washing effect is optimal.
As an improvement, a self-lubricating wear-resistant gasket or a thrust bearing is arranged between the upper planetary gear train and the lower planetary gear train. The interference between the downlink star wheel system and the uplink star wheel system is avoided, the running stability of the downlink star wheel system and the uplink star wheel system is improved to a certain extent, and the overall service life is prolonged.
Preferably, the upper end of the upper bracket of the second planet wheel is provided with a chamfer; a limiting ring used for limiting the axial moving space of the upper planetary gear train is embedded at the upper end of the inner gear ring, the inner side of the limiting ring is provided with an oblique bulge used for covering the chamfer of the upper support of the planetary gear, and the oblique bulge of the limiting ring is in clearance fit with the chamfer of the upper support of the planetary gear. The gear limiting device is used for limiting the upper planetary gear train and controlling the axial movement space of the upper planetary gear train, so that the problems that the gear runs unstably and noise is generated due to displacement of the upper planetary gear train in actual work are avoided; meanwhile, the lubricating oil can be reduced from escaping from the upper part of the inner gear ring, and the smooth running of the gear is ensured.
Another object of the present invention is to provide a clutch for a washing machine, in which the planetary gear train of the transmission mechanism has stable transmission, and the direction of the internal circulation is opposite to that of the internal circulation generated by driving during washing, so that the clutch has a stronger effect of pushing the laundry to roll.
The technical scheme adopted by the washing machine clutch for solving the technical problems is as follows: the transmission mechanism of the washing machine clutch adopts the three-power transmission mechanism.
Compared with the prior art, the washing machine clutch has the advantages that the upper planetary gear train and the lower planetary gear train of the three-power transmission mechanism are in transmission engagement for direct transmission, and the transmission between the upper planetary gear train and the lower planetary gear train is stable under the radial limiting action of the same inner gear ring; and the first output shaft sleeve is in transmission meshing with the upper planetary gear train, so that the direction of the second power is opposite to that of the first power, and the two powers in opposite directions are combined to form Taiji thrust, so that clothes can be better pushed to roll, and the washing effect is enhanced.
Drawings
Fig. 1 is an exploded view of a three-power transmission mechanism according to embodiment 1 of the present invention.
Fig. 2 is a sectional view of a three-power transmission mechanism of embodiment 1 of the invention.
Fig. 3 is a schematic structural view of a three-power transmission mechanism according to embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of a three-power transmission mechanism according to embodiment 2 of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The clutch of the washing machine of the invention is composed of parts such as a clutch shaft 11, a brake wheel (not shown in the figure) and a three-power transmission mechanism. The three-power transmission mechanism comprises an input shaft 1, an inner gear ring 2, a lower planetary gear train 3, an upper planetary gear train 4, a limiting ring 9, a self-lubricating wear-resistant gasket 10, an output shaft 5 for outputting first power, a first output shaft sleeve 6 for outputting second power and a second output shaft sleeve 8 for outputting third power, wherein the output shaft 5, the first output shaft sleeve 6 and the self-lubricating wear-resistant gasket are sequentially arranged outwards; a sun wheel (not marked in the figure) at the upper end of an input shaft 1 is in transmission meshing with a downlink star wheel train 3, an output shaft 5 is in transmission connection with the downlink star wheel train 3, the downlink star wheel train 3 and an uplink star wheel train 4 are respectively meshed with an inner gear ring 2, and the uplink star wheel train 4 is in transmission meshing with the downlink star wheel train 3; the first output shaft sleeve 6 is in transmission engagement with the upward planetary gear train 4, the direction of second power is opposite to that of the first power, and the second output shaft sleeve 8 is in transmission connection with the upward planetary gear train 4; the ring gear 2 is fixed with the clutch shaft 11. A limiting structure is arranged between the lower planetary gear train 3 and the inner gear ring 2, a limiting ring 9 is fixedly connected with the inner gear ring 2 and used for limiting the axial moving space of the upper planetary gear train 4, a self-lubricating wear-resistant gasket 10 is arranged between the lower planetary gear train 3 and the upper planetary gear train 4 and used for isolating mutual interference, and teeth are arranged on the periphery of the self-lubricating wear-resistant gasket 10 and matched with the inner gear ring 2.
The following examples are two types of three-power transmission mechanisms with the simplest structure.
As shown in fig. 1 to 3, the three-power transmission mechanism of embodiment 1 includes a lower planetary gear train 3 including a planetary reduction gear 31, a first upper planetary carrier 32 and a first lower planetary carrier 33, the first upper planetary carrier 32 and the first lower planetary carrier 33 are riveted and fixed by connecting pins, both ends of a pivot of the planetary reduction gear 31 are respectively inserted into the first upper planetary carrier 32 and the first lower planetary carrier 33 and are rotatable, the planetary reduction gear 31 is externally engaged with a sun gear at an upper end of an input shaft 1, the planetary reduction gear 31 is internally engaged with an inner ring gear 2, the planetary reduction gear 31 and the first lower planetary carrier 33 are engaged with an inner ring at a bottom of the inner ring gear 2 to define an axial movement space of the lower planetary gear train 3, an output shaft 5 is spline-engaged with an insertion groove at a center of an output shaft insertion socket 321 of the first upper planetary carrier 32, and an outer ring gear 322 is provided outside the output shaft insertion socket 321. The upper planetary gear train 4 comprises three sets of mutually meshed first planetary gears 41 and second planetary gears 42, and a second planetary upper support 43 and a second planetary lower support 44; the second planet upper bracket 43 and the second planet lower bracket 44 are riveted and fixed through a connecting pin, the pivot of the first planet 41 is respectively pivoted with the second planet upper bracket 43 and the second planet lower bracket 44, and the pivot of the second planet 42 is respectively spliced with the second planet upper bracket 43 and the second planet lower bracket 44 and can rotate; the first planet wheel 41 is externally engaged with the outer gear ring 322 of the first planet upper support 32, the second planet wheel 42 is internally engaged with the inner gear ring 2, the first output shaft sleeve 6 is externally engaged with the second planet wheel 42 through the transmission gear ring 7, and the second output shaft sleeve 8 is in transmission connection with the second planet upper support 43. The direction of the output second power and the third power is opposite to the direction of the first power.
Wherein, the upper end of the second planet upper bracket 43 is provided with a chamfer; the limit ring 10 is embedded at the upper end of the internal gear ring 2, the inner side of the limit ring 10 is an oblique bulge for covering the chamfer of the second planet upper bracket 43, and the oblique bulge of the limit ring 10 is in clearance fit with the chamfer of the second planet upper bracket 43.
The outer gear ring 322 can be a plastic part, the outer gear ring 322 is fixedly connected with the output shaft socket 321, and the bonding force is increased at the joint of the socket 321 and the outer gear ring 321 by arranging connecting ribs, knurls and other modes for increasing the contact surface or the roughness on the outer surface of the socket 321, so that synchronization is ensured and the outer gear ring 321 is not separated; the outer gear ring and the planet wheels of the upper planetary gear train 4 at 321 are plastic parts, the material properties and the characteristics are close, the noise is low when the gears are in meshing transmission, the abrasion loss between the gears is small, and therefore the service life is prolonged.
The three-power transmission mechanism of embodiment 2 is shown in fig. 4, and the main structure is the same as the three-power transmission mechanism of embodiment 1, and the following planetary gear train 3 is constructed, the limit relationship between the lower planetary gear train 3 and the inner gear ring 2, and the position relationship between the limit ring 10 and the inner gear ring 2 and the upper planetary gear train 4. The difference lies in that: the planetary gear train 4 comprises three sets of mutually meshed first planet wheels 41 ' and second planet wheels 42 ', as well as a second planet upper support 43 and a second planet lower support 44, the second planet upper support 43 and the second planet lower support 44 are riveted and fixed through connecting legs, the pivot shafts of the first planet wheels 41 ' are respectively inserted and connected with the second planet upper support 43 and the second planet lower support 44 in a rotatable manner, the first planet wheels 41 ' are externally meshed with an outer gear ring 322 of the first planet upper support 32, the first planet wheels 41 ' are internally meshed with an inner gear ring 2, the pivot shafts of the second planet wheels 42 ' are respectively pivoted with the second planet upper support 43 and the second planet lower support 44, a first output shaft sleeve 6 is externally meshed with the second planet wheels 42 ', and a second output shaft sleeve 8 is in transmission connection with the second planet upper support 43. The direction of the output second power is opposite to the direction of the first power and the third power.
Claims (6)
1. A three-power transmission mechanism comprises an input shaft (1), an inner gear ring (2), a lower planetary gear train (3), an upper planetary gear train (4), an output shaft (5) which is sequentially arranged outwards and used for outputting first power, a first output shaft sleeve (6) for outputting second power and a second output shaft sleeve (8) for outputting third power, wherein a sun gear at the upper end of the input shaft (1) is in transmission engagement with the lower planetary gear train (3), and the output shaft (5) is in transmission connection with the lower planetary gear train (3); the method is characterized in that: the lower planetary gear train (3) and the upper planetary gear train (4) are respectively meshed with the inner gear ring (2), the upper planetary gear train (4) is in transmission meshing with the lower planetary gear train (3), and the second output shaft sleeve (8) is in transmission connection with the upper planetary gear train (4); the first output shaft sleeve (6) is in transmission engagement with the upper planetary gear train (4) and enables the direction of the second power to be opposite to that of the first power.
2. A three power transmission mechanism according to claim 1, characterized in that: an outer gear ring (322) is arranged outside an output shaft socket (321) of a first planet upper bracket (32) of the lower planet gear train (3); the upper planetary gear train (4) comprises a second upper planetary carrier (43), and a plurality of groups of mutually meshed first planetary gears (41) and second planetary gears (42), wherein the first planetary gears (41) are externally meshed with an outer gear ring (322) of the first upper planetary carrier (32), and the second planetary gears (42) are internally meshed with an inner gear ring (2); the first output shaft sleeve (6) is externally meshed with the second planet wheel (42) through a transmission gear ring (7), and the second output shaft sleeve (8) is in transmission connection with a second planet upper support (43).
3. A triple power transmission mechanism according to claim 1, characterized in that: an outer gear ring (322) is arranged outside an output shaft socket (321) of a first planet upper bracket (32) of the lower planet gear train (3); the upper planetary gear train (4) comprises a second planetary upper bracket (43), and a plurality of groups of mutually meshed first planetary gears (41 ') and second planetary gears (42'); the first planet wheel (41 ') is externally meshed with an outer gear ring (322) of the first planet upper bracket (32), and the first planet wheel (41') is internally meshed with the inner gear ring (2); the first output shaft sleeve (6) is externally meshed with the second planet wheel (42'), and the second output shaft sleeve (8) is in transmission connection with the second planet upper support (43).
4. A washing machine clutch as claimed in claim 2 or 3, characterized in that: a self-lubricating wear-resistant gasket (9) or a thrust bearing is arranged between the upper planetary gear train (4) and the lower planetary gear train (3).
5. A washing machine clutch as claimed in claim 2 or 3, characterized in that: a chamfer is arranged at the upper end of the second planet upper bracket (43); a limiting ring (10) used for limiting the axial moving space of the upper planetary gear train (4) is embedded at the upper end of the inner gear ring (2), the inner side of the limiting ring (10) is provided with an oblique bulge used for covering the chamfer of the second planet upper bracket (43), and the oblique bulge of the limiting ring (10) is in clearance fit with the chamfer of the second planet upper bracket (43).
6. A washing machine clutch comprises a transmission mechanism, and is characterized in that: the transmission mechanism adopts a three-power transmission mechanism as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318309.XA CN114606722B (en) | 2022-03-29 | 2022-03-29 | Three-power transmission mechanism and clutch of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318309.XA CN114606722B (en) | 2022-03-29 | 2022-03-29 | Three-power transmission mechanism and clutch of washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114606722A true CN114606722A (en) | 2022-06-10 |
| CN114606722B CN114606722B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210318309.XA Active CN114606722B (en) | 2022-03-29 | 2022-03-29 | Three-power transmission mechanism and clutch of washing machine |
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| Country | Link |
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| CN (1) | CN114606722B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201027256Y (en) * | 2007-04-13 | 2008-02-27 | 宁波市奇精机械有限公司 | Washing machine clutch |
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| KR20160046526A (en) * | 2014-10-21 | 2016-04-29 | 동아대학교 산학협력단 | Apparatus for Driving Washing Machine Using Low Speed Motor And Method for Driving Washing Machine Using the Same |
| WO2016186353A1 (en) * | 2015-05-15 | 2016-11-24 | 주식회사 아모텍 | Washing machine drive apparatus, and washing machine comprising same |
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| CN108691148A (en) * | 2018-05-24 | 2018-10-23 | 青岛海尔洗衣机有限公司 | A kind of reduction clutch, washing machine and its control method of three power outputs |
| CN108708137A (en) * | 2018-07-12 | 2018-10-26 | 浙江三星机电股份有限公司 | A kind of reduction clutch of washing machine and washing machine |
| CN113897767A (en) * | 2020-07-06 | 2022-01-07 | 青岛海尔洗衣机有限公司 | Speed reduction clutch device of washing machine, washing machine and control method of washing machine |
| CN215714056U (en) * | 2021-09-22 | 2022-02-01 | 浙江三星机电股份有限公司 | Transmission structure of washing machine clutch |
-
2022
- 2022-03-29 CN CN202210318309.XA patent/CN114606722B/en active Active
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|---|---|---|---|---|
| CN201027256Y (en) * | 2007-04-13 | 2008-02-27 | 宁波市奇精机械有限公司 | Washing machine clutch |
| CN201087286Y (en) * | 2007-09-07 | 2008-07-16 | 宁波市奇精机械有限公司 | Three-power washing machine clutch |
| CN101581028A (en) * | 2008-05-13 | 2009-11-18 | 潘雪珍 | Triple-driving washer decelerating clutch and washer and washing mode thereof |
| CN101660255A (en) * | 2008-08-31 | 2010-03-03 | 潘雪珍 | Speed reduction clutch of three-drive washing machine |
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| CN113897767A (en) * | 2020-07-06 | 2022-01-07 | 青岛海尔洗衣机有限公司 | Speed reduction clutch device of washing machine, washing machine and control method of washing machine |
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| Publication number | Publication date |
|---|---|
| CN114606722B (en) | 2024-04-19 |
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