CN114606722B - Three-power transmission mechanism and clutch of washing machine - Google Patents
Three-power transmission mechanism and clutch of washing machine Download PDFInfo
- Publication number
- CN114606722B CN114606722B CN202210318309.XA CN202210318309A CN114606722B CN 114606722 B CN114606722 B CN 114606722B CN 202210318309 A CN202210318309 A CN 202210318309A CN 114606722 B CN114606722 B CN 114606722B
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- planetary gear
- planetary
- output shaft
- power
- gear train
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 65
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 238000005406 washing Methods 0.000 title claims abstract description 28
- 230000000670 limiting effect Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 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
- 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
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
Abstract
The invention discloses a three-power transmission mechanism and a clutch of a washing machine, wherein the three-power transmission mechanism comprises an input shaft, an annular gear, 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; the first output shaft sleeve for outputting the second power is in driving engagement with the upper planetary gear train and enables the second power to be opposite to the first power in direction; the upper planetary gear train and the lower planetary gear train are directly meshed in a transmission way, and the transmission between the upper planetary gear train and the lower planetary gear train is stable under the limit action of the same annular gear; the first output shaft sleeve is in transmission engagement with the upper planetary gear train, so that the second power and the first power are opposite in direction, the two phases are combined to form Taiji thrust, clothes can be better pushed to roll, 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 for washing clothes by using electric energy to generate mechanical action to drive water flow, and is applied to every household. In the existing washing machine, the clutch is used for switching the washing and dewatering functions, so that in order to enhance the washing effect, the related designer upgrades and reforms the original single-power clutch into a double-power clutch or even a three-power clutch, and the water flow in the washing barrel can form multi-circle circulation during washing; the three-power clutch can provide more various water flows, such as a three-power output speed reduction clutch device, a washing machine and a control method thereof, which are disclosed in China application No. CN108691148A, can generate internal circulation, middle circulation and external circulation, but because an output shaft gear and the output shaft are coaxially arranged, the assembly of the output shaft can influence the degree of the matching of the output shaft gear and a gear of an upper planet wheel, the output shaft and a lower planet wheel are in spline fit, the axial perpendicularity of the output shaft gear is caused by tooth gaps between spline teeth, the process inclination of the output shaft gear and the upper planet wheel can be disturbed at intervals, the mutual abrasion is relatively large, the service life is reduced, the middle circulation and the internal circulation are designed in the same direction, the rolling effect of power generated by the speed difference of the middle circulation and the internal circulation on clothes is not strong enough, and the clothes are generally moved towards the center due to the fact that the quality of the clothes is relatively light under the centrifugal force, so that the washing effect is not ideal and needs to be improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a three-power transmission mechanism, wherein the transmission of a planetary gear train is stable, and the middle circulation generated by driving during washing is opposite to the internal circulation in direction, so that the pushing effect on clothes rolling is stronger.
The technical scheme adopted for solving the technical problems of the three-power transmission mechanism is as follows: the three-power transmission mechanism comprises an input shaft, an annular gear, a lower planetary gear train, an upper planetary gear train, an output shaft for outputting first power, a first output shaft sleeve for outputting second power and a second output shaft sleeve for outputting third power, wherein the output shaft, the first output shaft sleeve and the second output shaft sleeve are sequentially arranged outwards; the lower planetary gear train and the upper planetary gear train are respectively meshed with the annular gear, the upper planetary gear train is meshed with the lower planetary gear train in a transmission way, and the second output shaft sleeve is connected with the upper planetary gear train in a transmission way; the first output shaft sleeve is in driving 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 stable under the radial limiting action of the same annular gear; and the first output shaft sleeve is in transmission engagement with the upper planetary gear train, so that the second power is opposite to the first power, and the two opposite powers are combined to form Taiji thrust, clothes can be better pushed to roll, and the washing effect is enhanced.
One preferred method is: an outer gear ring is arranged outside the output shaft socket of the first planetary upper support of the lower planetary gear train; the upper planetary gear train comprises a second planetary upper support, and a plurality of groups of first planetary gears and second planetary gears which are meshed with each other; the first planet wheel is externally meshed with the outer gear ring of the first planet upper support, the second planet wheel is internally meshed with the inner gear ring, the first output shaft sleeve is externally meshed with the second planet wheel through the transmission gear ring, and the second output shaft sleeve is in transmission connection with the second planet upper support. So that the direction of the first power is opposite to the directions of the second power and the third power, the external circulation driven by the third power provides thrust support for the middle circulation formed by the second power, and the thrust action of the middle circulation of the second power on clothes tumbling is enhanced.
Another preferred is: an outer gear ring is arranged outside the output shaft socket of the first planetary upper support of the lower planetary gear train; the upper planetary gear train comprises a second planetary upper support, and a plurality of groups of first planetary gears and second planetary gears which are meshed with each other; the first planet wheel is externally meshed with the outer gear ring of the first planet upper support, the first planet wheel is internally meshed with the inner gear ring, the first output shaft sleeve is externally meshed 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 the directions of the first power and the third power, the direction of the middle circulation is opposite to the direction of the inner circulation and the direction of the outer circulation during washing, the middle circulation and the inner circulation form Taiji thrust, the middle circulation and the outer circulation also form Taiji thrust, more clothes can be pushed to roll quickly, 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 device is used for avoiding interference between the lower planetary gear train and the upper planetary gear train, and has a certain improvement on the running stability of the lower planetary gear train and the upper planetary gear train, so that the whole service life is prolonged.
Preferably, the upper end of the second planet wheel upper support is provided with a chamfer; the limiting ring used for limiting the axial movement space of the upper planetary gear train is embedded at the upper end of the ring gear, the inner side of the limiting ring is an oblique bulge used for covering the chamfer angle of the upper planet gear support, and the oblique bulge of the limiting ring is in clearance fit with the chamfer angle of the upper planet gear support. The device is used for limiting the upper planetary gear train, controlling the size of the axial movable space of the upper planetary gear train, and avoiding unstable gear running and noise occurrence caused by displacement of the upper planetary gear train in actual work; meanwhile, lubricating oil can be reduced from escaping from the upper part of the annular gear, and smooth running of the gear is ensured.
Another technical problem to be solved by the invention is to provide a clutch of a washing machine, wherein the transmission of a planetary gear train of a transmission mechanism is stable, and the middle circulation generated by driving during washing is opposite to the internal circulation in direction, so that the effect of pushing clothes to tumble is stronger.
The clutch of the washing machine solves the technical problems by adopting the technical proposal that: the clutch of washing machine has the transmission mechanism with the three power transmission mechanisms.
Compared with the prior art, the clutch of the washing machine 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 and 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 annular gear; and the first output shaft sleeve is in transmission engagement with the upper planetary gear train, so that the second power is opposite to the first power, and the two opposite powers are combined to form Taiji thrust, 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 of embodiment 1 of the present invention.
Fig. 2 is a cross-sectional view of the three-power transmission mechanism of embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of a three-power transmission mechanism according to embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram 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 embodiments of the drawings.
The clutch of the washing machine consists of a clutch shaft 11, a brake wheel (not shown in the figure), a three-power transmission mechanism and other parts. The three-power transmission mechanism comprises an input shaft 1, an annular gear 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 second output shaft sleeve 8 are sequentially arranged outwards; a sun gear (not shown in the figure) at the upper end of the input shaft 1 is in transmission engagement with the lower planetary gear system 3, the output shaft 5 is in transmission connection with the lower planetary gear system 3, the lower planetary gear system 3 and the upper planetary gear system 4 are respectively engaged with the annular gear 2, and the upper planetary gear system 4 is in transmission engagement with the lower planetary gear system 3; the first output shaft sleeve 6 is in driving engagement with the upper planetary gear system 4 and enables the direction of the second power to be opposite to that of the first power, and the second output shaft sleeve 8 is in driving connection with the upper planetary gear system 4; the ring gear 2 is fixed to the clutch shaft 11. A limiting structure is arranged between the lower planetary gear train 3 and the annular gear 2, a limiting ring 9 is fixedly connected with the annular gear 2 and used for limiting the axial movement 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 are matched with the annular gear 2.
The following exemplifies two of the most simple three-power transmission mechanisms.
As shown in fig. 1 to 3, the three-power transmission mechanism of embodiment 1 includes a planetary reduction gear 31, a first planetary upper carrier 32 and a first planetary lower carrier 33, the first planetary upper carrier 32 and the first planetary lower carrier 33 are fixed by riveting connection pins, both pivot ends of the planetary reduction gear 31 are respectively inserted into the first planetary upper carrier 32 and the first planetary lower carrier 33 and rotatable, the planetary reduction gear 31 is engaged with the sun gear at the upper end of the input shaft 1, the planetary reduction gear 31 is engaged with the inner gear ring 2, the planetary reduction gear 31 and the first planetary lower carrier 33 are engaged with the inner convex ring at the bottom of the inner gear ring 2 to define an axial movement space of the lower planetary gear train 3, the output shaft 5 is spline-engaged with the insertion groove at the center of the output shaft insertion seat 321 of the first planetary upper carrier 32, and the outer gear ring 322 is provided outside the output shaft insertion seat 321. The upper planetary gear train 4 comprises three sets of first planetary gears 41 and second planetary gears 42 which are meshed with each other, and a second planetary upper carrier 43 and a second planetary lower carrier 44; the second planet upper support 43 and the second planet lower support 44 are fixed through riveting by connecting pins, the pivot of the first planet 41 is respectively pivoted with the second planet upper support 43 and the second planet lower support 44, and the pivot of the second planet 42 is respectively spliced with the second planet upper support 43 and the second planet lower support 44 and can rotate; the first planet wheel 41 is meshed with the outer gear ring 322 of the first planet upper support 32, the second planet wheel 42 is meshed with the inner gear ring 2, the first output shaft sleeve 6 is meshed with the second planet wheel 42 through the transmission gear ring 7, and the second output shaft sleeve 8 is connected with the second planet upper support 43 in a transmission mode. So that the direction of the second power and the third power are 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 limiting ring 10 is embedded at the upper end of the ring gear 2, the inner side of the limiting ring 10 is provided with an oblique bulge for covering the chamfer angle of the second planet upper support 43, and the oblique bulge of the limiting ring 10 is in clearance fit with the chamfer angle of the second planet upper support 43.
The outer gear ring 322 may be a plastic part, the outer gear ring 322 is fixedly connected with the output shaft socket 321, and a bonding force is increased at the joint of the socket 321 and the outer gear ring 321 by arranging connecting ribs, knurling and the like on the outer surface of the socket 321 to increase the contact surface or roughness, so that synchronization is ensured and the connection is not separated; the outer gear ring and the planet gears of the 321 upper layer planetary gear train 4 are plastic parts, the material properties and the characteristics are close, the noise is low during gear engagement transmission, the abrasion loss between the outer gear ring and the planet gears is small, and therefore the service life is prolonged.
As shown in fig. 4, the three-power transmission mechanism of embodiment 2 has a main structure identical to that of embodiment 1, and is constructed as follows in the structure of the planetary gear train 3, the limit relationship between the lower planetary gear train 3 and the ring gear 2, and the positional relationship between the limit ring 10 and the ring gear 2 and the upper planetary gear train 4. The difference is that: the upper planetary gear train 4 comprises three sets of meshed first planetary gears 41' and second planetary gears 42', a second planetary upper support 43 and a second planetary lower support 44, the second planetary upper support 43 and the second planetary lower support 44 are fixed through riveting by connecting pins, the pivot shafts of the first planetary gears 41' are respectively inserted into the second planetary upper support 43 and the second planetary lower support 44 and can rotate, the first planetary gears 41' are meshed with the outer gear ring 322 of the first planetary upper support 32, the first planetary gears 41' are meshed with the inner gear ring 2, the pivot shafts of the second planetary gears 42' are pivoted with the second planetary upper support 43 and the second planetary lower support 44, the first output shaft sleeve 6 is meshed with the second planetary gears 42', and the second output shaft sleeve 8 is connected with the second planetary upper support 43 in a transmission mode. So that the direction of the second power output is opposite to the directions of the first power and the third power.
Claims (6)
1. The three-power transmission mechanism comprises an input shaft (1), an annular gear (2), a lower planetary gear system (3) and an upper planetary gear system (4), and 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 which are sequentially arranged outwards, wherein a sun gear at the upper end of the input shaft (1) is in transmission engagement with the lower planetary gear system (3), and the output shaft (5) is in transmission connection with the lower planetary gear system (3); the method is characterized in that: the lower planetary gear system (3) and the upper planetary gear system (4) are respectively meshed with the inner gear ring (2), the upper planetary gear system (4) is in transmission meshing with the lower planetary gear system (3), and the second output shaft sleeve (8) is in transmission connection with the upper planetary gear system (4); during washing, the first output shaft sleeve (6) is in driving engagement with the upper planetary gear system (4) and enables the direction of the second power to be opposite to that of the first power.
2. The three-power transmission mechanism according to claim 1, wherein: an outer gear ring (322) is arranged outside an output shaft plug-in seat (321) of a first planetary upper bracket (32) of the lower planetary gear train (3); the upper planetary gear system (4) comprises a second planetary upper support (43), a plurality of groups of first planetary gears (41) and second planetary gears (42) which are meshed with each other, the first planetary gears (41) are meshed with an outer gear ring (322) of the first planetary upper support (32) externally, and the second planetary gears (42) are meshed with the inner gear ring (2) internally; the first output shaft sleeve (6) is externally meshed 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 bracket (43).
3. The three-power transmission mechanism according to claim 1, wherein: an outer gear ring (322) is arranged outside an output shaft plug-in seat (321) of a first planetary upper bracket (32) of the lower planetary gear train (3); the upper planetary gear system (4) comprises a second planetary upper support (43), a plurality of groups of first planetary gears (41 ') and second planetary gears (42') which are meshed with each other; the first planet gears (41 ') are externally meshed with the outer gear ring (322) of the first planet upper carrier (32), and the first planet gears (41') are 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 three-power transmission mechanism according to 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 three-power transmission mechanism according to claim 2 or 3, characterized in that: the upper end of the second planet upper bracket (43) is provided with a chamfer; a limiting ring (10) for limiting the axial movement space of the upper planetary gear train (4) is embedded at the upper end of the ring gear (2), the inner side of the limiting ring (10) is provided with an oblique bulge for covering the chamfer angle of the second planetary upper support (43), and the oblique bulge of the limiting ring (10) is in clearance fit with the chamfer angle of the second planetary upper support (43).
6. A clutch for a washing machine, comprising a transmission mechanism, characterized in that: the transmission mechanism adopts the 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 CN114606722A (en) | 2022-06-10 |
| CN114606722B true CN114606722B (en) | 2024-04-19 |
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ID=81866750
Family Applications (1)
| 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 |
|---|---|
| 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 |
| CN201087286Y (en) * | 2007-09-07 | 2008-07-16 | 宁波市奇精机械有限公司 | Three-power washing machine clutch |
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| CN104790176A (en) * | 2014-01-22 | 2015-07-22 | 海尔集团公司 | Reduction clutch for washing machine and washing machine |
| 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 |
| CN107513845A (en) * | 2017-08-30 | 2017-12-26 | 青岛海尔洗衣机有限公司 | Decelerator and the washing machine using the decelerator |
| 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
Patent 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 |
| 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 |
| CN102031669A (en) * | 2009-09-24 | 2011-04-27 | 潘雪珍 | Inner gull-range transmission three-output washing machine deceleration clutch |
| CN104790176A (en) * | 2014-01-22 | 2015-07-22 | 海尔集团公司 | Reduction clutch for washing machine and washing machine |
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| WO2016186353A1 (en) * | 2015-05-15 | 2016-11-24 | 주식회사 아모텍 | Washing machine drive apparatus, and washing machine comprising same |
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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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114606722A (en) | 2022-06-10 |
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