CN215714056U - Transmission structure of washing machine clutch - Google Patents
Transmission structure of washing machine clutch Download PDFInfo
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- CN215714056U CN215714056U CN202122298763.7U CN202122298763U CN215714056U CN 215714056 U CN215714056 U CN 215714056U CN 202122298763 U CN202122298763 U CN 202122298763U CN 215714056 U CN215714056 U CN 215714056U
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Abstract
The utility model discloses a transmission structure of a clutch of a washing machine, which comprises an input shaft, a brake wheel cover, a dehydration shaft, an output shaft, a brake wheel, an upper bearing seat, a lower bearing seat and a planetary gear train, wherein the planetary gear train is arranged in an inner cavity of the brake wheel and comprises a sun gear, a planetary shaft, a planetary carrier and an inner gear ring; the inner gear ring is fixedly arranged on the brake wheel cover, the central gear is in meshing transmission with the planetary gear, and the planetary gear is in meshing transmission with the inner gear ring; a gear inner hole is formed in the central gear, a second internal spline is arranged on the inner wall surface of the gear inner hole, a second external spline is arranged at the lower end of the output shaft, and the output shaft is connected with the central gear through the splines. Above-mentioned technical scheme, structural design is reasonable, the difficult winding of clothing, job stabilization, convenient to use and practicality are good in the use.
Description
Technical Field
The utility model relates to the technical field of washing machine clutches, in particular to a transmission structure of a washing machine clutch.
Background
At present, a common transmission structure of a full-automatic pulsator washing machine comprises an input shaft, a planetary gear train, an output shaft, a dehydration shaft, wherein the dehydration shaft is fixed, a planetary carrier of the planetary gear train is connected with the output shaft, the input shaft runs, and the output shaft is driven to run after the speed is reduced by a certain transmission ratio of the planetary gear train. However, the washing machine of the drive washing method has disadvantages: because structural design is unreasonable, the clothing twines easily in the use, and work is unstable, uses inconveniently, and the practicality is poor.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the transmission structure of the washing machine clutch, which has the advantages of reasonable structural design, difficult winding of clothes in the using process, stable work, convenient use and good practicability.
In order to achieve the purpose, the utility model provides the following technical scheme: a transmission structure of a clutch of a washing machine comprises an input shaft, a brake wheel cover, a dewatering shaft, an output shaft, a brake wheel, an upper bearing seat, a lower bearing seat and a planetary gear train, wherein the planetary gear train is arranged in an inner cavity of the brake wheel and comprises a sun gear, a planetary shaft, a planet carrier and an inner gear ring; the inner gear ring is fixedly arranged on the brake wheel cover, the central gear is in meshing transmission with the planetary gear, and the planetary gear is in meshing transmission with the inner gear ring; a gear inner hole is formed in the central gear, a second internal spline is arranged on the inner wall surface of the gear inner hole, a second external spline is arranged at the lower end of the output shaft, and the output shaft is connected with the central gear through the splines.
The utility model is further configured to: the brake wheel cover is internally provided with a first shaft sleeve, the input shaft is arranged in the first shaft sleeve in a penetrating mode, the dehydration shaft is internally provided with a second shaft sleeve, and the output shaft is arranged in the second shaft sleeve in a penetrating mode.
The utility model is further configured to: a first rolling bearing is arranged in a bearing chamber of the upper bearing seat, and a second rolling bearing and a one-way bearing are sequentially arranged in a bearing chamber of the lower bearing seat from bottom to top.
The utility model is further configured to: the upper end of the brake wheel is provided with a brake wheel bearing chamber, and a plurality of third rolling bearings are arranged in the brake wheel bearing chamber.
The utility model is further configured to: the dehydration shaft is arranged in bearing inner holes of the first rolling bearing and the third rolling bearing in a penetrating mode, a hollow convex shaft is integrally arranged at the lower end of the brake wheel cover and is arranged in bearing inner holes of the second rolling bearing and the one-way bearing in a penetrating mode, the hollow convex shaft is in interference fit with an inner ring of the one-way bearing, and the brake wheel is fixedly connected with the brake wheel cover.
The utility model is further configured to: the sun gear is integrally provided with the input shaft.
The utility model has the advantages that: compared with the prior art, the utility model has more reasonable structure arrangement, when the washing machine is in a washing working condition, the clutch device enables the input shaft and the brake wheel cover to be in a separated state, the brake device tightly holds the brake wheel, and the one-way bearing and the brake device respectively play a role in stopping the front direction and the back direction of the brake wheel, thereby limiting the rotation of the brake wheel; the input shaft rotates, the planet carrier is driven to rotate in the same direction and at a fixed transmission ratio after speed reduction is realized through meshing transmission of the central gear, the planetary gear and the inner gear ring, the planet carrier drives the dehydration shaft to rotate together, the central gear simultaneously drives the output shaft to rotate in the same direction and at the same speed, finally, the input of the input shaft into rotation power is realized, the output shaft outputs the rotation power in the same direction and at the same speed as the input shaft, and the dehydration shaft outputs the rotation power in the same direction and at the fixed transmission ratio as the output shaft. The clothes hanger is reasonable in structural design, not prone to winding of clothes in the using process, stable in work, convenient to use and good in practicability.
The utility model is further described with reference to the drawings and the specific embodiments in the following description.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a dewatering shaft according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a routine spider embodying the present invention;
FIG. 4 is a schematic cross-sectional view of a sun gear according to an embodiment of the present invention.
Detailed Description
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, 2, 3 and 4, the transmission structure of the clutch of the washing machine disclosed by the utility model comprises an input shaft 1, a brake wheel cover 2, a dewatering shaft 3, an output shaft 4, a brake wheel 5, an upper bearing seat 6, a lower bearing seat 7 and a planetary gear train, wherein the planetary gear train is installed in an inner cavity of the brake wheel 5 and comprises a sun gear 8, a planetary gear 9, a planetary shaft 10, a planetary carrier 11 and an inner gear ring 12, the sun gear 8 is fixedly connected with the upper end of the input shaft 1, the planetary gear 9 is connected with the planetary carrier 11 through the planetary shaft 10, the planetary carrier 11 is provided with a first inner spline 111, the lower end of the dewatering shaft 3 is provided with a first outer spline 31, and the dewatering shaft 3 is connected with the planetary carrier 11 through splines; the inner gear ring 12 is fixedly arranged on the brake wheel cover 2, the sun gear 8 is in meshing transmission with the planetary gear 9, and the planetary gear 9 is in meshing transmission with the inner gear ring 12; a gear inner hole 81 is formed in the central gear 8, a second internal spline 811 is arranged on the inner wall surface of the gear inner hole 81, a second external spline 41 is arranged at the lower end of the output shaft 4, and the output shaft 4 is connected with the central gear 8 through a spline.
Preferably, the planet gears 9 are uniformly arranged on the planet carrier 11 through the circumference of the planet shaft 10, the size and the structure of the first internal spline 111 are matched with those of the first external spline 31, and the dehydration shaft 3 and the planet carrier 11 are connected with the first external spline 31 through the first internal spline 111; the second internal spline 811 is matched with the second external spline 41 in size and structure, and the output shaft 4 is coupled with the sun gear 8 through the second external spline 41 and the second internal spline 811. The washing machine is further provided with a braking device and a clutch device, when the washing machine is in a washing working condition, the clutch device enables the input shaft and the brake wheel cover to be in a separated state, the braking device tightly holds the brake wheel, and the one-way bearing and the braking device respectively play a role in stopping the front direction and the back direction of the brake wheel to limit the rotation of the brake wheel.
In order to make the structure of the present invention more reasonable, preferably, the brake wheel cover 2 of this embodiment is provided with a first shaft sleeve 13, the input shaft 1 is inserted into the first shaft sleeve 13, the dehydrating shaft 3 is provided with a second shaft sleeve 14, and the output shaft 4 is inserted into the second shaft sleeve 14.
A first rolling bearing 15 is arranged in a bearing chamber of the upper bearing seat 6, and a second rolling bearing 16 and a one-way bearing 17 are sequentially arranged in the bearing chamber of the lower bearing seat 7 from bottom to top.
The upper end of the brake wheel 5 is provided with a brake wheel bearing chamber, and a plurality of third rolling bearings 18 are arranged in the brake wheel bearing chamber. Preferably, the number of the third rolling bearings 18 is 1 to 2.
The dehydration shaft 3 is arranged in bearing inner holes of the first rolling bearing 15 and the third rolling bearing 18 in a penetrating mode, a hollow convex shaft 21 is integrally arranged at the lower end of the brake wheel cover 2, the hollow convex shaft 21 is arranged in bearing inner holes of the second rolling bearing 16 and the one-way bearing 17 in a penetrating mode, the hollow convex shaft 21 is in interference fit with an inner ring of the one-way bearing 17, and the brake wheel 5 is fixedly connected with the brake wheel cover 2. Preferably, the brake wheel 5 and the brake wheel cover 2 are fixed by riveting or by screw locking.
Preferably, the sun gear 8 is provided integrally with the input shaft 1.
In practical application, when the washing machine is in a washing working condition, the clutch device enables the input shaft and the brake wheel cover to be in a separated state, the brake device tightly holds the brake wheel, and the one-way bearing and the brake device respectively play a role in stopping the front direction and the back direction of the brake wheel so as to limit the rotation of the brake wheel; the input shaft rotates, the planet carrier is driven to rotate in the same direction and at a fixed transmission ratio after speed reduction is realized through meshing transmission of the central gear, the planetary gear and the inner gear ring, the planet carrier drives the dehydration shaft to rotate together, the central gear simultaneously drives the output shaft to rotate in the same direction and at the same speed, finally, the input of the input shaft into rotation power is realized, the output shaft outputs the rotation power in the same direction and at the same speed as the input shaft, and the dehydration shaft outputs the rotation power in the same direction and at the fixed transmission ratio as the output shaft. The clothes hanger is reasonable in structural design, not prone to winding of clothes in the using process, stable in work, convenient to use and good in practicability.
The above embodiments are only for further illustration of the present invention, and should not be construed as limiting the scope of the present invention, and the technical engineers in the art can make insubstantial modifications and adaptations of the present invention based on the above disclosure and disclosure of the utility model.
Claims (6)
1. The utility model provides a transmission structure of washing machine clutch, includes input shaft (1), brake wheel lid (2), dehydration axle (3), output shaft (4), braked wheel (5), bolster bearing housing (6), step (7) and planetary gear train, planetary gear train installs in the inner chamber of braked wheel (5), its characterized in that: the planetary gear train comprises a sun gear (8), a planetary gear (9), a planetary shaft (10), a planet carrier (11) and an inner gear ring (12), the sun gear (8) is fixedly connected with the upper end of the input shaft (1), the planetary gear (9) is connected with the planet carrier (11) through the planetary shaft (10), a first internal spline (111) is arranged on the planet carrier (11), a first external spline (31) is arranged at the lower end of the dehydration shaft (3), and the dehydration shaft (3) is connected with the planet carrier (11) through splines; the inner gear ring (12) is fixedly arranged on the brake wheel cover (2), the sun gear (8) is in meshing transmission with the planetary gear (9), and the planetary gear (9) is in meshing transmission with the inner gear ring (12); a gear inner hole (81) is formed in the central gear (8), a second internal spline (811) is arranged on the inner wall surface of the gear inner hole (81), a second external spline (41) is arranged at the lower end of the output shaft (4), and the output shaft (4) is connected with the central gear (8) through splines.
2. A transmission structure of a clutch for a washing machine according to claim 1, wherein: the brake wheel cover (2) is internally provided with a first shaft sleeve (13), the input shaft (1) is arranged in the first shaft sleeve (13) in a penetrating mode, the dehydration shaft (3) is internally provided with a second shaft sleeve (14), and the output shaft (4) is arranged in the second shaft sleeve (14) in a penetrating mode.
3. A transmission structure of a clutch for a washing machine according to claim 2, wherein: a first rolling bearing (15) is arranged in a bearing chamber of the upper bearing seat (6), and a second rolling bearing (16) and a one-way bearing (17) are sequentially arranged in a bearing chamber of the lower bearing seat (7) from bottom to top.
4. A transmission structure of a clutch for a washing machine according to claim 3, wherein: the upper end of the brake wheel (5) is provided with a brake wheel bearing chamber, and a plurality of third rolling bearings (18) are arranged in the brake wheel bearing chamber.
5. The transmission structure of a clutch for a washing machine according to claim 4, wherein: the dehydration shaft (3) is arranged in bearing inner holes of a first rolling bearing (15) and a third rolling bearing (18) in a penetrating mode, a hollow convex shaft (21) is integrally arranged at the lower end of the brake wheel cover (2), the hollow convex shaft (21) is arranged in bearing inner holes of a second rolling bearing (16) and a one-way bearing (17) in a penetrating mode, the hollow convex shaft (21) is in interference fit with an inner ring of the one-way bearing (17), and the brake wheel (5) is fixedly connected with the brake wheel cover (2).
6. A transmission structure of a clutch for a washing machine according to claim 1 or 5, wherein: the central gear (8) and the input shaft (1) are integrally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122298763.7U CN215714056U (en) | 2021-09-22 | 2021-09-22 | Transmission structure of washing machine clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122298763.7U CN215714056U (en) | 2021-09-22 | 2021-09-22 | Transmission structure of washing machine clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215714056U true CN215714056U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122298763.7U Active CN215714056U (en) | 2021-09-22 | 2021-09-22 | Transmission structure of washing machine clutch |
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| CN (1) | CN215714056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606722A (en) * | 2022-03-29 | 2022-06-10 | 宁波市利鼎电子有限公司 | Three-power transmission mechanism and washing machine clutch |
-
2021
- 2021-09-22 CN CN202122298763.7U patent/CN215714056U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114606722A (en) * | 2022-03-29 | 2022-06-10 | 宁波市利鼎电子有限公司 | Three-power transmission mechanism and washing machine clutch |
| CN114606722B (en) * | 2022-03-29 | 2024-04-19 | 宁波市利鼎电子有限公司 | Three-power transmission mechanism and clutch of washing machine |
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