CN220538184U - Clutch of washing machine - Google Patents
Clutch of washing machine Download PDFInfo
- Publication number
- CN220538184U CN220538184U CN202321999824.5U CN202321999824U CN220538184U CN 220538184 U CN220538184 U CN 220538184U CN 202321999824 U CN202321999824 U CN 202321999824U CN 220538184 U CN220538184 U CN 220538184U
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- CN
- China
- Prior art keywords
- planetary gear
- ring
- carrier
- planetary
- transmission
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- 238000005406 washing Methods 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a clutch of a washing machine, which has the advantages that a sun gear, a lower planetary gear, an inner gear ring and an upper planetary gear at the upper end of an input shaft are all helical teeth, the periphery of a transmission ring of a lower planetary gear carrier is a helical gear ring for meshed transmission with the upper planetary gear train, namely, double power input from the input shaft to an output shaft and output shaft sleeves is transmitted through the helical teeth, the output torque is large, the driven double-ring water flow is strong, and the capacity of the washing machine can be effectively improved; and a second wear-resistant gasket is additionally arranged between the upper planet carrier and the brake wheel and is used for preventing the friction between the upper planet carrier and the brake wheel and avoiding metal crushing and affecting the surface finish of the helical teeth.
Description
Technical Field
The utility model belongs to the technical field of driving parts of washing machines, and particularly relates to a clutch of a washing machine.
Background
The washing machine adopts the clutch to form the dual functions of washing and dewatering, the washing transmission mechanism in the clutch is used for transmitting power, and the washing transmission mechanism in the existing double-power washing machine can transmit two powers during washing, so that the washing effect is enhanced, and the double-power washing machine is very popular with users.
In a conventional dual-power washing machine, such as a "speed-reducing clutch device for a washing machine and a washing machine" of the chinese utility model with publication number CN108708137B, a sun gear and an output shaft are coaxially arranged, so that the assembly of the output shaft can affect the degree of gear engagement of the sun gear and an upper planetary gear, while the output shaft and a lower planetary gear carrier are in spline engagement, a tooth gap exists between spline teeth, so that the axial perpendicularity of the sun gear on the output shaft is inclined, the gear engagement of the sun gear and the upper planetary gear is disturbed at intervals, the abrasion between the gears is relatively large, and the service life is reduced.
In order to solve the problem, a related technical personnel designs a Chinese patent with publication number of CN217026413U, such as a planetary power support, a washing transmission mechanism, a washing machine clutch and a washing machine, and the spline fit of an output shaft and a lower planetary gear carrier does not influence the stability of the power input of the upper planetary gear any more by arranging a raised outer gear ring on the upper planetary gear carrier of the lower planetary gear train to replace a central gear arranged on the output shaft, wherein the upper planetary gear train and the lower planetary gear train run in parallel in the wrapping of a clutch shaft and a brake wheel, the outer gear ring and the upper planetary gear are meshed and transmitted stably, and the gears are worn normally.
The helical gear planetary system can output larger torque, so that the helical gear planetary system is often applied to a large-capacity washing machine, but axial force is formed by transmission among helical gears, so that the gears move up and down, metal crushing is formed in a braking wheel, the surface of helical teeth is not smooth along with the migration of lubricating oil, and the transmission stability is affected. Therefore, how to combine the bevel gear transmission with the double-power transmission mechanism is a technical problem to be solved by the utility model.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a clutch of a washing machine, which has high double-power torque output by a washing transmission mechanism and stable and reliable operation.
The technical scheme adopted for solving the technical problems is as follows: the clutch of the washing machine comprises a clutch shaft, a brake wheel, a washing transmission mechanism formed by an input shaft, an annular gear, a lower planetary gear train, a first wear-resistant gasket, an upper planetary gear train, an output shaft and an output shaft sleeve, wherein a sun gear at the upper end of the input shaft is in transmission engagement with a lower planetary gear of the lower planetary gear train, the lower planetary gear of the lower planetary gear train is in transmission engagement with the annular gear, a lower planetary carrier of the lower planetary gear train is in spline connection with the output shaft, the lower planetary carrier is in transmission engagement with the upper planetary gear train, the upper planetary carrier of the upper planetary gear train is in transmission engagement with the annular gear, the upper planetary carrier of the upper planetary gear train is in spline connection with the output shaft sleeve, and the first wear-resistant gasket is arranged between the lower planetary carrier and the upper planetary carrier; the second wear-resistant gasket is arranged between the upper planet carrier and the brake wheel; the lower planet carrier comprises an upper planet carrier, a lower planet carrier, a plurality of support columns and a cold extrusion formed driving ring, wherein the support columns are fixedly connected between the upper planet carrier and the lower planet carrier; the driving ring is fixedly connected with the upper planetary carrier, and the driving ring and the upper planetary carrier are of a split structure.
Compared with the prior art, the utility model has the advantages that the sun gear at the upper end of the input shaft, the lower planetary gear of the lower planetary gear train, the inner gear ring and the upper planetary gear of the upper planetary gear train all adopt helical teeth, the periphery of the transmission ring of the lower planetary support is the helical gear ring for meshing transmission with the upper planetary gear train, namely, the double power input from the input shaft to the output shaft and output shaft sleeve is transmitted through the helical teeth, the meshing performance is good, the meshing transition is stable, the bearing capacity is increased, the output torque is large, the driven double-ring water flow is strong, and the washing effect of the large-capacity washing machine can be effectively improved; the second wear-resistant gasket is arranged between the upper planet carrier and the brake wheel and used for preventing the upper planet carrier from rubbing with the brake wheel, the first wear-resistant gasket is arranged between the lower planet carrier and the upper planet carrier and used for preventing the upper planet carrier from rubbing with the lower planet carrier or preventing the lower planet carrier from rubbing with the upper planet carrier, and the limiting structure between the lower planet wheel of the lower planetary gear train and the lower planet carrier and the annular gear prevents the lower planet carrier from rubbing with the clutch shaft, so that metal crushing is avoided, the surface finish of the bevel gear is influenced, and stable operation of transmission is maintained.
Preferably, the upper planetary gear of the upper planetary gear train is divided into an inner ring planetary gear and an outer ring planetary gear, the helical gear ring is in transmission engagement with the inner ring planetary gear, the inner ring planetary gear is in transmission engagement with the outer ring planetary gear, and the outer ring planetary gear is in transmission engagement with the inner gear ring. The double power output from the output shaft and the output shaft sleeve are opposite in direction, strong different-direction double-ring water flow is formed in the washing barrel, a scrubbing effect is formed, and a better washing effect can be obtained.
Preferably, the transmission ring and the upper planetary carrier are of an integrated structure; the upper planetary carrier and the supporting columns are of split structures, and the supporting columns and the lower planetary carrier are of integrated structures or split structures. The driving ring and the upper planetary carrier can be made of cold piers, the production cost is low, and the number of parts can be further reduced by adopting the structure that the supporting column and the lower planetary carrier are integrated, so that the assembly process is reduced.
As an improvement, the upper planetary wheel carrier and the upper end of the supporting column are of a split structure, and the supporting column and the lower planetary wheel carrier are of an integral die-casting structure. The number of parts is reduced, the processing procedure is reduced, the production cost is reduced, and the concentricity deviation of the lower planetary gear train and the input shaft is reduced.
As an improvement, the upper end of the support column is countersunk and riveted with the upper planet carrier. The countersunk riveting processing speed is high, and the upper ends of the support columns can be prevented from protruding out of the top surface of the upper planet carrier, so that the wear-resistant gasket is prevented from being excessively worn locally.
Drawings
FIG. 1 is an exploded view of the present utility model (part of the components are absent).
Fig. 2 is a bottom perspective view of the lower planetary carrier of the wash drive mechanism of the present utility model.
Fig. 3 is a bottom perspective view of the drive ring of the present utility model.
Fig. 4 is a top perspective view of the upper carrier of the lower planetary gear train of the present utility model.
Fig. 5 is a bottom perspective view of the upper carrier of the lower planetary gear train of the present utility model.
Fig. 6 is a bottom perspective view of the lower planetary gear train of the present utility model showing the lower planetary gear train as an integral structure with the support column.
Fig. 7 is a top perspective view of the lower planetary gear train of the present utility model in a unitary structure of the lower planetary carrier and support post.
Fig. 8 is a bottom view of the upper planetary wheel carrier, inner ring planetary wheels and outer ring planetary wheels of the upper planetary wheel train of the anisotropic double power washing transmission mechanism of the present utility model.
The figure shows: 1. the clutch shaft, 2, the brake wheel, 3, the lower planetary gear train of the input shaft, 4, the annular gear, 5, the lower planetary gear train, 6, the first wear-resisting gasket, 7, the upper planetary gear train, 8, the second wear-resisting gasket, 9, the output shaft, 10, the output shaft sleeve;
51. the upper planet carrier, 52, the lower planet carrier, 53, the support column, 54, the transmission ring, 54-1, the internal spline, 54-2, the helical gear ring, 54-3, the cylindrical surface, 55, the upper planet wheel pivot seat, 56, the lower planet wheel pivot seat, 57, the connection seat, 58 and the bearing table;
74. inner ring planet gears 75 and outer ring planet gears.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
The embodiment is a clutch of a washing machine, as shown in fig. 1, the clutch comprises a clutch shaft 1 and a brake wheel 2 which are riveted and fixed, and a washing transmission mechanism which is formed by an input shaft 3, an annular gear 4, a lower planetary gear train 5, a first wear-resistant gasket 6, an upper planetary gear train 7, an output shaft 9 and an output shaft sleeve 10 and is arranged in the clutch shaft 1 and the brake wheel 2, wherein a sun gear at the upper end of the input shaft 3 is in transmission engagement with a lower planetary gear of the lower planetary gear train 5, the lower planetary gear of the lower planetary gear train 5 is in transmission engagement with the annular gear 4, a lower planetary carrier of the lower planetary gear train 5 is in transmission engagement with an output shaft 9 or other modes, the upper planetary gear train 7 is in transmission engagement with the annular gear 4, an upper planetary carrier of the upper planetary gear train 7 is in transmission engagement with the output shaft sleeve 10, the first wear-resistant gasket 6 is arranged between the lower planetary carrier and the upper planetary carrier, and a sun gear at the upper end of the input shaft 3, the lower planetary gear of the lower planetary gear train 5, the annular gear 4 and the upper planetary gear of the upper planetary gear train 7 are all in helical teeth; and the brake further comprises a second wear-resistant gasket 8, and the second wear-resistant gasket 8 is arranged between the upper planet carrier and the brake wheel 2. Here, the first wear-resistant pad 6 and the second wear-resistant pad 8 are preferably self-lubricating wear-resistant pads made of graphite, but it is of course also possible to replace them with thrust bearings, which are expensive.
The lower planetary carrier of the lower planetary gear train 5 comprises an upper planetary carrier 51, a lower planetary carrier 52 and a plurality of support columns 53 fixedly connected between the upper planetary carrier 51 and the lower planetary carrier 52, wherein an upward protruding transmission ring 54 is fixed in the middle of the upper planetary carrier 51, the inner periphery of the transmission ring 54 is a splicing groove 54-1 for assembling the output shaft 9, and the outer periphery of the transmission ring 54 is an inclined gear ring 54-2 for meshing transmission with the upper planetary gear train 7. The manufacturing of the helical gear ring 54-2 of the driving ring 54 is troublesome and has higher requirement, and in the case that the driving ring 54, the upper planetary carrier 51 and the supporting column 53 are of an integrated structure, the manufacturing is performed by adopting a powder metallurgy process, so that the energy consumption is high, and the cold heading process with high material utilization rate and low energy consumption is difficult to adopt. In this embodiment, as shown in fig. 2-6, the transmission ring 54 and the upper planetary carrier 51 are in a split structure, a connection seat 57 protruding upwards is arranged in the middle of the upper planetary carrier 51, the center of the connection seat 57 is a circular through hole, the periphery of the bottom end of the transmission ring 54 is a cylindrical surface 54-3, the cylindrical surface 54-3 is in interference fit with the inner wall of the circular through hole, and of course, other fixed connection modes such as static spline, welding, bolt locking and the like can be adopted for the transmission ring 54 and the upper planetary carrier 51; the upper planetary carrier 51 and the supporting column 53 are also in a split structure, the upper ends of the upper planetary carrier 51 and the supporting column 53 are fixed by countersunk riveting, and the supporting column 53 and the lower planetary carrier 52 are in an integrated die-casting structure, so that the transmission ring 54 and the upper planetary carrier 51 can be integrally manufactured by adopting a cold heading process with high material utilization rate and low energy consumption, and other processes which are accurate in manufacturing of bevel gears such as hot precision forging, cutting and the like can be adopted for substitution. The lower planetary carrier of the lower planetary gear train 5 may also be, in structural equivalence: the driving ring 54 and the upper planetary carrier 51 are of a split structure, the upper planetary carrier 51 and the supporting column 53 are of an integrated structure, and the supporting column 53 and the lower planetary carrier 52 are of a split structure; or the transmission ring 54 and the upper planet carrier 51 are in a split structure, the upper planet carrier 51 and the supporting column 53 are in a split structure, and the supporting column 53 and the lower planet carrier 52 are in an integrated structure.
Here, the bottom surface of the upper planetary carrier 51 below the riveting position is provided with a downward convex pressure-bearing table 58, and the riveting position is thickened, so that the stress performance of the riveting position is improved, and meanwhile, the upper planetary carrier 51 is prevented from being damaged in the riveting process. Of course, the upper end of the supporting column 53 and the upper planet carrier 51 can also be locked and fixed by adopting countersunk bolts, so that the upper end of the supporting column 53 needs to be prevented from protruding out of the top surface of the upper planet carrier 51; the insertion groove 54-1 adopts an internal spline, and of course, the inner wall of the insertion groove can also adopt a polygonal structure, and the shape of the bottom end of the output shaft 9 needs to be adaptively adjusted.
Preferably, the 6 upper planetary gears of the upper planetary gear train 7 are divided into 3 groups of inner ring planetary gears 74 and outer ring planetary gears 75 which are not interfered with each other, the helical gear ring 54-2 is in driving engagement with the inner ring planetary gears 74, the inner ring planetary gears 74 are in driving engagement with the same group of outer ring planetary gears 75, the outer ring planetary gears 75 are in driving engagement with the inner gear ring 4, two power directions output from the output shaft 9 and the output shaft sleeve 10 can be opposite, and strong opposite-direction double-ring water flow is formed in the washing tub. Here, the main body construction of the upper carrier of the upper planetary gear train 7 is not improved.
Claims (6)
1. The utility model provides a washing machine clutch, including clutch shaft (1) and brake wheel (2), and by input shaft (3), ring gear (4), lower planetary gear train (5), first wear-resisting gasket (6), go up planetary gear train (7), output shaft (9) and the washing drive mechanism that output shaft sleeve (10) constitute, the sun gear of input shaft (3) upper end and the lower planet wheel transmission engagement of lower planetary gear train (5), the lower planet wheel of lower planetary gear train (5) meshes with ring gear (4), the lower planet carrier of lower planetary gear train (5) is connected with output shaft (9) transmission, lower planet carrier and last planetary gear train (7) transmission engagement, go up planetary gear train (7) and ring gear (4) transmission connection, first wear-resisting gasket (6) set up between lower planet carrier and last planet carrier, its characterized in that: the sun gear, the lower planetary gear of the lower planetary gear system (5), the inner gear ring (4) and the upper planetary gear of the upper planetary gear system (7) all adopt helical teeth; the brake device further comprises a second wear-resistant gasket (8), and the second wear-resistant gasket (8) is arranged between the upper planet carrier and the brake wheel (2); the lower planetary carrier of the lower planetary gear train (5) comprises an upper planetary carrier (51), a lower planetary carrier (52) and a plurality of support columns (53) between the upper planetary carrier (51) and the lower planetary carrier (52) which are fixedly connected, an upward convex transmission ring (54) is fixed in the middle of the upper planetary carrier (51), the inner periphery of the transmission ring (54) is a splicing groove (54-1) for assembling an output shaft (9), and the outer periphery of the transmission ring (54) is an inclined gear ring (54-2) for meshed transmission with the upper planetary gear train (7).
2. The clutch of a washing machine as claimed in claim 1, wherein: the upper planetary gear of the upper planetary gear train (7) is divided into an inner ring planetary gear (74) and an outer ring planetary gear (75), the helical gear ring (54-2) is in transmission engagement with the inner ring planetary gear (74), the inner ring planetary gear (74) is in transmission engagement with the outer ring planetary gear (75), and the outer ring planetary gear (75) is engaged with the inner gear ring (4).
3. The clutch of a washing machine as claimed in claim 1, wherein: the transmission ring (54) and the upper planetary carrier (51) are of an integrated structure; the upper planet carrier (51) and the support column (53) are of a split structure, and the support column (53) and the lower planet carrier (52) are of an integrated structure or a split structure.
4. The clutch of a washing machine as claimed in claim 1, wherein: the transmission ring (54) and the upper planetary carrier (51) are of a split structure; the upper planet carrier (51) and the support column (53) are of an integrated structure, and the support column (53) and the lower planet carrier (52) are of a split structure.
5. The clutch of a washing machine as claimed in claim 1, wherein: the transmission ring (54) and the upper planetary carrier (51) are of a split structure; the upper planet carrier (51) and the support column (53) are of a split structure, and the support column (53) and the lower planet carrier (52) are of an integrated structure.
6. A washing machine clutch according to claim 3 or 5, characterized in that: the upper end of the supporting column (53) is countersunk and riveted with the upper planet carrier (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321999824.5U CN220538184U (en) | 2023-07-27 | 2023-07-27 | Clutch of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321999824.5U CN220538184U (en) | 2023-07-27 | 2023-07-27 | Clutch of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220538184U true CN220538184U (en) | 2024-02-27 |
Family
ID=89976189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321999824.5U Active CN220538184U (en) | 2023-07-27 | 2023-07-27 | Clutch of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220538184U (en) |
-
2023
- 2023-07-27 CN CN202321999824.5U patent/CN220538184U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |