Deceleration clutch device of washing machine

Abstract

The utility model discloses a washing machine speed reduction clutch device which comprises an input shaft; an output shaft; the speed reduction gear train comprises a sun gear, a planet gear support and a planet gear, the sun gear is fixedly installed on the end portion of one end of the input shaft or formed by machining the end portion of one end of the input shaft, one end of the output shaft is connected to the planet gear support in an inserted mode, the planet gear is installed on the planet gear support, and the planet gear is connected to the planet gear support in an inserted mode. The gear is in meshing transmission with the central gear; the planet wheel support comprises an upper end cover, the upper end cover is provided with a center shaft hole part and an outer edge planet shaft installation part, the output shaft is arranged in the center shaft hole part in a penetrating mode, the outer edge planet shaft installation part is provided with an inner side connecting area and an outer side axial amplification area, and the inner side connecting area and the center shaft hole part are fixedly connected or integrally formed. The axial height of the outer side axial amplification area is larger than that of the inner side connection area, a planetary gear shaft is installed in the outer side axial amplification area, and a planetary gear is rotatably installed on the planetary gear shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of laundry equipment, in particular to a speed reduction clutch device for a washing machine. Background Art

[0002] As a commonly used household appliance, the structure of a fully automatic pulsator washing machine generally includes an outer barrel, an inner barrel arranged inside the outer barrel, and a pulsator arranged inside the inner barrel. The outer barrel is used as a water barrel to hold washing water, the inner barrel is used as a dehydration barrel, and can be driven to rotate at high speed for dehydration, and the pulsator can be driven to rotate forward and reversely in the inner barrel to stir the washing water to form a washing water flow for washing clothes. The washing machine deceleration clutch device is the core transmission component of the washing machine, which is mainly used to reduce the speed of the motor and increase the torque. At the same time, the washing machine deceleration clutch device is also used to realize the switching of the washing mode and the dehydration mode of the fully automatic pulsator washing machine.

[0003] However, with the continuous development and progress of the washing machine industry, the demand for large-capacity washing machines has increased year by year, and large-capacity washing machines have higher requirements for the overall strength of the washing machine reduction clutch device. The reduction gears of the reduction gear system of the existing washing machine reduction clutch device are generally plastic gears, but for large-capacity washing machines, the plastic gears need to increase in height to meet the greater power transmission needs, but the increased height of the plastic gears will occupy more axial installation space, and it is necessary to make adaptive improvements and designs for the overall structure of the washing machine reduction clutch device, which has a great impact on the structure and production and processing technology of the washing machine reduction clutch device.

[0004] In view of this, this utility model patent is proposed. Utility Model Content

[0005] In order to solve the above problems, the utility model aims to provide a washing machine deceleration clutch device which is more suitable for large-capacity washing machines, and minimizes the impact on the structure and production and processing technology of the washing machine deceleration clutch device. Specifically, the following technical solutions are adopted:

[0006] A speed reduction clutch device for a washing machine, comprising:

[0007] Input shaft;

[0008] Output shaft;

[0009] The reduction gear train includes a central gear, a planetary gear bracket and a planetary gear, wherein the central gear is fixedly mounted on one end of the input shaft or the central gear is formed by processing from one end of the input shaft, one end of the output shaft is plugged into the planetary gear bracket, the planetary gear is mounted on the planetary gear bracket and meshes with the central gear for transmission; the planetary gear bracket includes an upper end cover, the upper end cover has a central shaft hole portion and an outer edge planetary shaft mounting portion, the output shaft is penetrated through the central shaft hole portion, the outer edge planetary shaft mounting portion has an inner connecting area and an outer axial enlarged area, the inner connecting area is fixedly connected to the central shaft hole portion or is integrally formed, the axial height of the outer axial enlarged area is greater than the axial height of the inner connecting area, the outer axial enlarged area is mounted with a planetary gear shaft, and the planetary gear is rotatably mounted on the planetary gear shaft.

[0010] As an optional implementation manner of the present utility model, the outer axial enlarged area of ​​the outer planetary shaft mounting portion is a horizontal wall surface, and the lower end portion of the central shaft hole portion is arranged lower than the lower wall surface of the outer axial enlarged area.

[0011] As an optional embodiment of the present utility model, the inner connecting area has a first connecting wall and a second connecting wall, one end of the first connecting wall is connected to the lower end portion of the central axis hole portion, and the other end is connected to one end of the second connecting wall, and the other end of the second connecting wall is connected to the outer axial enlargement area.

[0012] As an optional implementation manner of the present utility model, the first connecting wall of the inner connecting area is a horizontal connecting wall, and the second connecting wall is a vertical connecting wall.

[0013] As an optional implementation manner of the present invention, the axial height of the planetary gear is greater than the axial height of the central gear.

[0014] As an optional implementation manner of the present utility model, the central gear is a metal gear.

[0015] As an optional embodiment of the present invention, a deceleration clutch device for a washing machine of the present invention comprises an output shaft sleeve and a gear train housing, wherein the output shaft sleeve is rotatably sleeved on the output shaft, the deceleration gear train comprises an inner gear ring, the inner gear ring is fixedly mounted in the gear train housing, the planetary gears are meshed with the inner gear ring for transmission, the gear train housing comprises a housing cover, the housing cover has a housing center axis hole portion and a housing outer edge portion, the output shaft sleeve is penetrated and arranged in the housing center axis hole portion, and the housing outer edge portion has a housing outer edge enlarged area corresponding to the outer axial enlarged area.

[0016] As an optional embodiment of the present utility model, the outer edge portion of the shell has a shell outer edge connection area located on the inner side of the shell outer edge enlarged area, the shell outer edge connection area is fixedly connected to or integrally formed with the central axis hole portion of the shell, and the axial height of the shell outer edge enlarged area is greater than the axial height of the shell outer edge connection area.

[0017] As an optional implementation manner of the present utility model, the outer edge enlarged area of ​​the shell is a horizontal wall surface, and the lower end portion of the central axis hole portion of the shell is arranged lower than the lower wall surface of the outer edge enlarged area of ​​the shell.

[0018] As an optional embodiment of the present utility model, the outer edge connection area of ​​the shell has a third connection wall and a fourth connection wall, one end of the third connection wall is connected to the lower end of the central axis hole portion of the shell, and the other end is connected to one end of the fourth connection wall, and the other end of the fourth connection wall is connected to the outer edge enlarged area of ​​the shell;

[0019] The third connecting wall of the shell outer edge connecting area is a horizontal connecting wall, and the fourth connecting wall is a vertical connecting wall.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] The utility model discloses a speed reduction clutch device for a washing machine. By designing an outer axial enlarged area on a planetary gear bracket, a planetary gear with a greater height can be installed in the outer axial enlarged area, thereby meeting a greater power transmission demand and being more suitable for large-capacity washing machines.

[0022] Furthermore, in a washing machine deceleration clutch device of the utility model, the axial height of the outer axial enlarged area is greater than the axial height of the inner connecting area, so that the height of the central axis hole portion can remain unchanged, so that the axial space occupied by the planetary gear bracket installed on the output shaft remains unchanged, and does not affect the installation of other structural components in the axial direction.

[0023] Therefore, a washing machine deceleration clutch device of the utility model meets the installation requirements of a higher planetary gear shaft by optimizing and improving the structure of the planetary gear bracket, and has no impact on the structure and installation of other structural components, and the processing technology of the washing machine deceleration clutch device changes little. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic structural diagram of a speed reduction clutch device for a washing machine according to an embodiment of the utility model;

[0025] Figure 2 The utility model embodiment of the speed reduction clutch device of the washing machine Figure 1 A partial enlarged view of point A in the middle. DETAILED DESCRIPTION

[0026] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0027] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] See also Figure 1-Figure 2 As shown, a washing machine deceleration clutch device of this embodiment includes:

[0032] Input shaft 600;

[0033] Output shaft 100;

[0034] The reduction gear train includes a central gear 501, a planetary gear support 502 and a planetary gear 504. The central gear 501 is fixedly mounted on one end of the input shaft 600 or the central gear 501 is processed from one end of the input shaft 600. One end of the output shaft 100 is plugged into the planetary gear support 502. The planetary gear 504 is mounted on the planetary gear support 502 and meshes with the central gear 501 for transmission.

[0035] The planetary gear bracket 502 includes an upper end cover, which has a central shaft hole portion 502A and an outer planetary shaft mounting portion, the output shaft 100 is penetrated and arranged in the central shaft hole portion 502A, the outer planetary shaft mounting portion has an inner connecting area 502B and an outer axial enlarged area 502C, the inner connecting area 502B is fixedly connected to the central shaft hole portion 502A or is integrally formed, the axial height of the outer axial enlarged area 502C is greater than the axial height of the inner connecting area 502B, the outer axial enlarged area 502C is installed with a planetary gear shaft 503, and the planetary gear 504 is rotatably installed on the planetary gear shaft 503.

[0036] A reduction clutch device for a washing machine in this embodiment is designed with an outer axial enlarged area 502C on the planetary gear bracket 502. The outer axial enlarged area 502C can be installed with a planetary gear 504 with a greater height, thereby meeting a greater power transmission demand and being more suitable for large-capacity washing machines.

[0037] Furthermore, in a washing machine deceleration clutch device of the present embodiment, the axial height of the outer axial enlarged area 502C is greater than the axial height of the inner connecting area 502B, so that the height of the central axis hole portion 502A can remain unchanged, so that the axial space occupied by the planetary gear bracket 502 installed on the output shaft 100 remains unchanged, and the installation of other structural components in the axial direction is not affected.

[0038] Therefore, a washing machine deceleration clutch device in this embodiment, by optimizing and improving the structure of the planetary gear bracket 502, meets the installation requirements of a higher planetary gear shaft 503, and has no impact on the structure and installation of other structural components, and the processing technology of the washing machine deceleration clutch device changes little.

[0039] As an optional implementation of this embodiment, in a washing machine deceleration clutch device of this embodiment, the outer axial enlarged area 502C of the outer edge planetary shaft mounting portion is a horizontal wall surface, and the lower end of the central shaft hole portion 502A is set lower than the lower wall surface of the outer axial enlarged area 502C. In this way, the axial height of the central shaft hole portion 502A can remain unchanged, the axial space occupied by the installation remains unchanged, and the axial height of the outer axial enlarged area 502C is enlarged for installing a planetary gear 504 with a larger height.

[0040] At the same time, as an optional implementation of this embodiment, the inner connecting area 502B of this embodiment has a first connecting wall and a second connecting wall, one end of the first connecting wall is connected to the lower end of the central axis hole portion 502A, and the other end is connected to one end of the second connecting wall, and the other end of the second connecting wall is connected to the outer axial enlarged area 502C. In this way, the outer axial enlarged area 502C of this embodiment is transitionally connected to the central axis hole portion 502A through the inner connecting area 502B, forming a "concave" structure between the two.

[0041] Specifically, the first connecting wall of the inner connecting area 502B described in this embodiment is a horizontal connecting wall, and the second connecting wall is a vertical connecting wall.

[0042] As an optional implementation of this embodiment, the axial height of the planetary gear 504 in this embodiment is greater than the axial height of the central gear 501. In this way, the axial space occupied by the central gear 501 remains unchanged, and the strength of the central gear 501 can be increased by changing the material of the central gear 501 to meet the power transmission requirements.

[0043] Specifically, the central gear 501 in this embodiment is a metal gear.

[0044] Further, a deceleration clutch device for a washing machine in this embodiment comprises an output sleeve 200 and a gear housing 400, wherein the output sleeve 200 is rotatably sleeved on the output shaft 100, the deceleration gear comprises an inner gear ring (not shown), the inner gear ring is fixedly mounted in the gear housing 400, the planetary gear 504 is meshed with the inner gear ring for transmission, the gear housing 400 comprises a housing upper cover, the housing upper cover has a housing central axis hole portion 401 and a housing outer edge portion, the output sleeve 200 is penetrated and arranged in the housing central axis hole portion 401, and the housing outer edge portion has a housing outer edge magnification area 403 corresponding to the outer axial magnification area 502C. This embodiment also improves the adaptability of the structure of the gear housing 400 to meet the installation requirements of the planetary gear bracket 502 and the planetary gear 504, and the height of the housing central axis hole portion 401 can remain unchanged, so that the axial space occupied by the gear housing 400 when installed on the output sleeve 200 remains unchanged, and does not affect the installation of other structural components in the axial direction.

[0045] Furthermore, the shell outer edge portion described in this embodiment has a shell outer edge connection area 402 located on the inner side of the shell outer edge enlarged area 403, the shell outer edge connection area 402 is fixedly connected to or integrally formed with the shell central axis hole portion 401, and the axial height of the shell outer edge enlarged area 403 is greater than the axial height of the shell outer edge connection area 402.

[0046] In this embodiment, the shell outer edge enlarged area 403 is a horizontal wall surface, and the lower end of the shell central axis hole portion 401 is arranged lower than the lower wall surface of the shell outer edge enlarged area 403 .

[0047] Specifically, the outer edge connection area 402 of the housing in this embodiment has a third connection wall and a fourth connection wall, one end of the third connection wall is connected to the lower end of the housing central axis hole 401, and the other end is connected to one end of the fourth connection wall, and the other end of the fourth connection wall is connected to the outer edge magnification area 403 of the housing; the third connection wall of the outer edge connection area 402 of the housing is a horizontal connection wall, and the fourth connection wall is a vertical connection wall. In this way, the overall external structure of the gear train housing 400 is similar to the planetary gear bracket 502, meeting the installation requirements of the planetary gear bracket 502 and the planetary gear 504, and does not affect the installation of other structural components in the axial direction.

[0048] A speed reduction clutch device for a washing machine in this embodiment includes an upper housing 301 and a lower housing 302 , and the gear train housing 400 is installed in the installation space between the upper housing 301 and the lower housing 302 .

[0049] A washing machine deceleration clutch device of this embodiment includes an input shaft sleeve rotatably mounted on an input shaft 600, one end of the input shaft 600 is connected to the washing machine motor, and the other end extends into the gear housing 400 to be connected to the deceleration gear train.

[0050] The output shaft 100 of this embodiment is connected to the impeller of the washing machine, and the output shaft sleeve 200 is connected to the inner barrel of the washing machine.

[0051] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.

Claims

1. A speed reduction clutch device for a washing machine, characterized in that: include: Input shaft; Output shaft; A reduction gear train, comprising a central gear, a planetary gear support and a planetary gear, wherein the central gear is fixedly mounted on one end of the input shaft or the central gear is processed from one end of the input shaft, one end of the output shaft is plugged into the planetary gear support, the planetary gear is mounted on the planetary gear support and meshes with the central gear for transmission; The planetary gear bracket includes an upper end cover, which has a central shaft hole portion and an outer planetary shaft mounting portion, the output shaft is penetrated and arranged in the central shaft hole portion, the outer planetary shaft mounting portion has an inner connecting area and an outer axial enlarged area, the inner connecting area is fixedly connected to the central shaft hole portion or integrally formed, the axial height of the outer axial enlarged area is greater than the axial height of the inner connecting area, the outer axial enlarged area is installed with a planetary gear shaft, and the planetary gear is rotatably installed on the planetary gear shaft.

2. A washing machine speed reduction clutch device according to claim 1, characterized in that: The outer axial enlarged area of ​​the outer planetary shaft mounting portion is a horizontal wall surface, and the lower end portion of the central shaft hole portion is arranged lower than the lower wall surface of the outer axial enlarged area.

3. A washing machine speed reduction clutch device according to claim 2, characterized in that: The inner connecting area has a first connecting wall and a second connecting wall, one end of the first connecting wall is connected to the lower end of the central axis hole portion, and the other end is connected to one end of the second connecting wall, and the other end of the second connecting wall is connected to the outer axial enlargement area.

4. A washing machine speed reduction clutch device according to claim 3, characterized in that: The first connecting wall of the inner connecting area is a horizontal connecting wall, and the second connecting wall is a vertical connecting wall.

5. A washing machine speed reduction clutch device according to claim 1, characterized in that: The axial height of the planetary gear is greater than the axial height of the central gear.

6. A washing machine speed reduction clutch device according to claim 5, characterized in that: The central gear is a metal gear.

7. A washing machine speed reduction clutch device according to any one of claims 1 to 6, characterized in that: It includes an output shaft sleeve and a gear train housing, the output shaft sleeve is rotatably sleeved on the output shaft, the reduction gear train includes an inner gear ring, the inner gear ring is fixedly installed in the gear train housing, the planetary gears are meshed with the inner gear ring for transmission, the gear train housing includes a housing cover, the housing cover has a housing center axis hole portion and a housing outer edge portion, the output shaft sleeve is penetrated and arranged in the housing center axis hole portion, and the housing outer edge portion has a housing outer edge enlarged area corresponding to the outer axial enlarged area.

8. A washing machine speed reduction clutch device according to claim 7, characterized in that: The outer edge of the shell has an outer edge connection area located inside the outer edge enlarged area of ​​the shell. The outer edge connection area of ​​the shell is fixedly connected to or integrally formed with the central axis hole of the shell. The axial height of the outer edge enlarged area of ​​the shell is greater than the axial height of the outer edge connection area of ​​the shell.

9. A washing machine speed reduction clutch device according to claim 8, characterized in that: The outer edge enlarged area of ​​the shell is a horizontal wall surface, and the lower end of the central axis hole portion of the shell is arranged lower than the lower wall surface of the outer edge enlarged area of ​​the shell.

10. A speed reduction clutch device for a washing machine according to claim 9, characterized in that: The outer edge connection area of ​​the shell has a third connection wall and a fourth connection wall, one end of the third connection wall is connected to the lower end of the central axis hole of the shell, and the other end is connected to one end of the fourth connection wall, and the other end of the fourth connection wall is connected to the outer edge enlarged area of ​​the shell; The third connecting wall of the shell outer edge connecting area is a horizontal connecting wall, and the fourth connecting wall is a vertical connecting wall.

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