CN221000233U

CN221000233U - Wear-resistant clutch

Info

Publication number: CN221000233U
Application number: CN202322727380.6U
Authority: CN
Inventors: 宗金林
Original assignee: Jiangsu Liandong Bearing Co ltd
Current assignee: Jiangsu Liandong Bearing Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-05-24
Anticipated expiration: 2033-10-11

Abstract

The utility model relates to a wear-resistant clutch, which comprises an upper shell and a lower shell, wherein a dewatering shaft is rotatably arranged in the upper shell, a washing shaft is rotatably arranged in the dewatering shaft, a clutch shaft is rotatably arranged in the lower shell, a transmission shaft is rotatably arranged in the clutch shaft, a belt pulley is arranged at the proximal end of the transmission shaft, a clutch sleeve is sleeved at the outer side of the proximal end of the transmission shaft, a holding spring is sleeved at the outer side of the clutch sleeve, a ratchet wheel is sleeved at the outer side of the holding spring, the transmission shaft distal end and the washing shaft proximal end are transmitted through a gear assembly, the clutch shaft distal end is connected with a brake wheel proximal end, the dewatering shaft proximal end is connected with a brake wheel distal end, and at least one first bearing is sleeved at the proximal end and the distal end of the inner side of the clutch shaft respectively at the outer side of the transmission shaft.

Description

Wear-resistant clutch

Technical Field

The utility model relates to the technical field of clutches, in particular to a wear-resistant clutch.

Background

In the existing large-capacity washing machine, because of the need of washing clothes with large weight and large volume, a clutch with a double-power structure is generally adopted to increase the washing effect. The chinese patent application CN109652951a discloses a clutch for washing machine, which comprises driving shaft, braking wheel, braking belt, washing shaft, dewatering shaft and auxiliary braking mechanism, and planetary transmission gear train formed from driving shaft gear, planetary wheel, planetary carrier and internal gear. The driving shaft and the clutch shaft in the technical scheme are connected by the oil-containing bushing, the oil-containing bushing is easy to wear and troublesome to replace, and the service life of the clutch is reduced.

Disclosure of utility model

In view of the above-mentioned shortcomings of the prior art, it is an object of the present utility model to provide a wear clutch that solves one or more of the problems of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

The utility model provides a wear-resisting clutch, wear-resisting clutch includes interconnect's last casing and lower casing, rotationally set up the dehydration axle in the last casing, rotationally set up the washing axle in the dehydration axle, rotationally set up the separation and reunion axle in the lower casing, rotationally set up the transmission shaft in the separation and reunion axle, the transmission shaft outside is located separation and reunion inboard near-end and distal end cover respectively establish at least one first bearing, the transmission shaft near-end sets up the belt pulley, the separation and reunion cover is established to transmission shaft near-end outside cover, the spring is established with separation and reunion axle outside cover, the ratchet is established to the outside cover of spring, pass through the gear assembly transmission between transmission shaft distal end and the washing axle near-end, the separation and reunion axle distal end is connected with the brake wheel near-end, the dehydration axle near-end is connected with the brake wheel distal end, the brake wheel is connected with a part outside the gear assembly.

Further, the transmission shaft outside is close to the first bearing near-end cover of belt pulley one side and establishes the cushion, the cushion near-end supports the separation and reunion cover, the transmission shaft distal end sets up the round outer fringe, the transmission shaft outside is close to the first bearing distal end cover of gear assembly one side and establishes the dish spring, dish spring distal end supports the outer fringe.

Further, grooves for clamping the first bearing are formed in the inner side near end and the outer side far end of the clutch shaft.

Further, the gear assembly comprises a planet carrier, a plurality of planet gears rotatably arranged between the planet carriers and an internal gear meshed with the outer sides of all the planet gears, wherein the planet gears are meshed with the far end of a transmission shaft, the far end of the planet carrier is connected with the near end of a washing shaft, and the outer sides of the internal gear are fixedly connected with a brake wheel.

Further, the clutch shaft is connected with the lower shell through a one-way stop bearing.

Further, the dewatering shaft is connected with the upper shell through a second bearing, the inner sides of the inner side near end and the outer side far end of the dewatering shaft are provided with oil-containing bushings, and the oil-containing bushings are sleeved on the outer side of the washing shaft.

Further, the outer side of the dewatering shaft is positioned at the far end of the upper shell body and sleeved with a first oil seal, and the outer side of the washing shaft is positioned at the far end of the dewatering shaft and sleeved with a second oil seal.

Compared with the prior art, the utility model has the following beneficial technical effects:

According to the wear-resistant clutch disclosed by the utility model, the wear between the transmission shaft and the clutch shaft is reduced, the starting moment of the motor is reduced, and the service life of the clutch is prolonged by sleeving at least one first bearing on the outer side of the transmission shaft at the near end and the far end of the inner side of the clutch shaft respectively.

And (II) further, the pad is sleeved on the outer side of the transmission shaft near the proximal end of the first bearing on one side of the belt pulley, the proximal end of the pad abuts against the clutch sleeve, the distal end of the transmission shaft is provided with a circle of outer edge, the outer side of the transmission shaft near the first bearing on one side of the gear assembly is sleeved with a disc spring, the distal end of the disc spring abuts against the outer edge, the first bearing is fixedly and firmly fixed with the driving shaft, the relative position of the driving shaft and the transmission shaft is stable, and the working effect of the clutch is ensured.

Drawings

Fig. 1 shows a schematic structural diagram of a wear-resistant clutch according to a first embodiment of the present utility model.

The reference numerals in the drawings:

1. A transmission shaft; 11. a clutch sleeve; 12. a spring; 13. a ratchet wheel; 14. a belt pulley; 15. an outer edge; 2. a clutch shaft; 21. a groove; 22. a first bearing; 23. a cushion block; 24. a disc spring; 3. a lower housing; 31. a one-way stop bearing; 4. an upper housing; 5. a gear assembly; 51. a planet carrier; 52. a planetary gear; 53. an inner gear ring; 6. a dehydrating shaft; 61. a second bearing; 62. a first oil seal; 7. a washing shaft; 71. a second oil seal; 8. a brake wheel; 81. a braking band.

Detailed Description

For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that any modifications, changes in the proportions, or adjustments of the sizes of structures, proportions, or otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or essential characteristics thereof.

In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

To more clearly describe the structure of one of the friction clutches described above, the present utility model defines the terms "distal" and "proximal", in particular, "distal" means the end remote from the pulley 14 and "proximal" means the end close to the pulley 14, taking fig. 1 as an example, the lower end of the drive shaft 1 in fig. 1 being the proximal end and the upper end of the drive shaft 1 in fig. 1 being the distal end.

Example 1

Referring to fig. 1, a wear-resistant clutch includes an upper housing 4 and a lower housing 3 that are connected to each other, a dewatering shaft 6 is rotatably disposed in the upper housing 4, a washing shaft 7 is rotatably disposed in the dewatering shaft 6, a clutch shaft 2 is rotatably disposed in the lower housing 3, a transmission shaft 1 is rotatably disposed in the clutch shaft 2, the outer side of the transmission shaft 1 is located at the proximal end and the distal end of the inner side of the clutch shaft 2, at least one first bearing 22 is respectively sleeved on the proximal end and the distal end of the transmission shaft 1, a belt pulley 14 is disposed at the proximal end of the transmission shaft 1, a clutch sleeve 11 is sleeved on the outer side of the clutch shaft 2, a holding spring 12 is sleeved on the outer side of the holding spring 12, a ratchet wheel 13 is sleeved on the outer side of the holding spring 1, a transmission shaft 5 is driven between the distal end of the transmission shaft 1 and the proximal end of the washing shaft 7 through a gear assembly 5, the distal end of the clutch shaft 2 is connected with the proximal end of a brake wheel 8, the proximal end of the dewatering shaft 6 is connected with the distal end of the brake wheel 8, and the brake wheel 8 is partially connected with the outer side of the gear assembly 5.

Referring to fig. 1, further, a pad 23 is sleeved on the outer side of the transmission shaft 1 near the first bearing 22 on the side of the pulley 14, the proximal end of the pad 23 abuts against the clutch sleeve 11, a ring of outer rim 15 is disposed on the distal end of the transmission shaft 1, a disc spring 24 is sleeved on the outer side of the transmission shaft 1 near the first bearing 22 on the side of the gear assembly 5, and the distal end of the disc spring 24 abuts against the outer rim 15.

Referring to fig. 1, further, the inner proximal end and the distal end of the clutch shaft 2 are provided with grooves 21 into which the first bearings 22 are engaged.

Referring to fig. 1, further, a cavity for accommodating the gear assembly 5 is formed between the upper housing 4 and the lower housing 3. The gear assembly 5 comprises a planet carrier 51, a plurality of planet gears 52 rotatably arranged between the planet carriers 51 and an inner gear ring 53 meshed with the outer sides of all the planet gears 52, wherein the planet gears 52 are meshed with the far end of the transmission shaft 1, the far end of the planet carrier 51 is connected with the near end of the washing shaft 7, and the outer sides of the inner gear rings 53 are fixedly connected with the brake wheel 8.

Referring to fig. 1, further, the clutch shaft 2 is connected to the lower housing 3 through a one-way stop bearing 31 for limiting the reverse rotation of the clutch shaft 2.

Referring to fig. 1, further, the dewatering shaft 6 is connected to the upper housing 4 through a second bearing 61, and the inner sides of the inner side of the dewatering shaft 6 are provided with oil-containing bushings at the proximal end and the distal end, and the oil-containing bushings are sleeved on the outer side of the washing shaft 7.

Referring to fig. 1, further, the outer side of the dewatering shaft 6 is located at the distal end of the upper housing 4 and sleeved with a first oil seal 62, and the outer side of the washing shaft 7 is located at the distal end of the dewatering shaft 6 and sleeved with a second oil seal 71, so as to prevent leakage of clutch lubricating oil.

Referring to fig. 1, further, a brake belt 81 is disposed outside the brake wheel 8.

The specific working procedure of the utility model is as follows:

during washing, the clutch shaft 2 is not connected with the transmission shaft 1, the belt pulley 14 drives the transmission shaft 1 to rotate, the transmission shaft 1 drives the planetary gears 52 and the planetary carriers 51 to rotate, the planetary carriers 51 drive the washing shaft 7 to rotate in the same direction as the transmission shaft 1, the dewatering shaft 6 reversely rotates with the transmission shaft 1 through the brake wheel 8, the annular gear 53 and the planetary gears 52 to form reverse double-power water flow, and the washing effect of washing clothes is better. During dehydration, the clutch mechanism acts to disengage from the ratchet wheel 13, so that the holding spring 12 holds the clutch sleeve 11 tightly to the clutch shaft 2, the clutch shaft 2 is connected with the transmission shaft 1, and the clutch shaft 2 drives the brake wheel 8 and the dehydration shaft 6 to synchronously rotate with the transmission shaft 1 and the washing shaft 7.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A wear-resistant clutch, characterized by: the wear-resisting clutch comprises an upper shell and a lower shell which are connected with each other, a dewatering shaft is rotatably arranged in the upper shell, a washing shaft is rotatably arranged in the dewatering shaft, a clutch shaft is rotatably arranged in the lower shell, a transmission shaft is rotatably arranged in the clutch shaft, the outer side of the transmission shaft is positioned at the inner proximal end and the distal end of the clutch shaft, at least one first bearing is sleeved on the outer side of the transmission shaft, a belt pulley is arranged at the proximal end of the transmission shaft, a clutch sleeve is sleeved on the outer side of the transmission shaft, a holding spring is sleeved on the outer side of the holding spring, a ratchet wheel is sleeved on the outer side of the holding spring, transmission is carried out between the distal end of the transmission shaft and the proximal end of the washing shaft through a gear assembly, the distal end of the clutch shaft is connected with the proximal end of the brake wheel, and the proximal end of the dewatering shaft is connected with a part of the outer side of the brake wheel.

2. A wear-resistant clutch as set forth in claim 1, wherein: the transmission shaft is characterized in that a cushion block is sleeved at the proximal end of the first bearing, which is close to one side of the belt pulley, of the outer side of the transmission shaft, the proximal end of the cushion block props against the clutch sleeve, a circle of outer edge is arranged at the distal end of the transmission shaft, a disc spring is sleeved at the distal end of the first bearing, which is close to one side of the gear assembly, of the outer side of the transmission shaft, and the distal end of the disc spring props against the outer edge.

3. A wear-resistant clutch as set forth in claim 2, wherein: the inner side near end and the outer side of the clutch shaft are provided with grooves for the first bearing to be clamped in.

4. A wear-resistant clutch as set forth in claim 1, wherein: the gear assembly comprises a planet carrier, a plurality of planet gears rotatably arranged between the planet carriers and an inner gear ring meshed with the outer sides of all the planet gears, wherein the planet gears are meshed with the far end of a transmission shaft, the far end of the planet carrier is connected with the near end of a washing shaft, and the outer sides of the inner gear ring are fixedly connected with a brake wheel.

5. A wear-resistant clutch as set forth in claim 1, wherein: the clutch shaft is connected with the lower shell through a one-way stop bearing.

6. A wear-resistant clutch as set forth in claim 1, wherein: the dewatering shaft is connected with the upper shell through a second bearing, oil-containing bushings are arranged on the inner sides of the inner side of the dewatering shaft and the inner side of the far end, and the oil-containing bushings are sleeved on the outer side of the washing shaft.

7. A wear-resistant clutch in accordance with claim 6, wherein: the outer side of the dewatering shaft is positioned at the far end of the upper shell body and sleeved with a first oil seal, and the outer side of the washing shaft is positioned at the far end of the dewatering shaft and sleeved with a second oil seal.