CN201924194U - Speed-reducing clutch with large capacity for full automatic agitator type washing machine - Google Patents

Abstract

The utility model relates to a large-capacity deceleration clutch for a full-automatic stirring type washing machine. The transmission shaft is supported and assembled in the hollow clutch sleeve and the hollow clutch shaft through the upper shaft sleeve and the lower shaft sleeve, and a pulley is installed on the upper end of the transmission shaft; a clutch mechanism is arranged between the clutch sleeve and the clutch shaft, and the clutch mechanism passes an operating mechanism The clutch shaft, the brake wheel and the dehydration shaft are connected in sequence with the same axis, and the clutch shaft is assembled in the housing through the upper bearing support; the brake wheel is set in the housing, and the brake wheel and the clutch shaft are tightly connected; the dehydration shaft The dehydration shaft is tightly connected to the inner hole of the brake wheel; the shell is fixedly connected to the cover plate; the outer circumference of the brake wheel is equipped with a brake steel belt; the washing shaft passes through two upper and lower bushings The support is assembled in the hollow dehydration shaft, and the washing reduction mechanism is used to connect and drive the washing shaft and the transmission shaft. The utility model has ingenious and reasonable structure, strong impact resistance, low running noise, stable transmission and long service life.

Description

Large-capacity deceleration clutch for fully automatic stirring washing machine

technical field

The utility model relates to the technical field of washing machine clutches, in particular to a large-capacity deceleration clutch for a full-automatic stirring washing machine, which is used for transmitting washing power and dehydration power.

Background technique

At present, the deceleration clutches for fully automatic washing machines produced in my country's domestic market are generally applied to pulsator washing machines. Its washing capacity is generally below 7kg, and it adopts a planetary gear reduction structure, that is, the input power is input from the input shaft, and the power is output from the washing shaft through planetary gear reduction. In this structure, there needs to be a little axial clearance between the clutch shaft and the clutch sleeve to ensure the normal operation of the clutch. But this kind of clutch is not suitable for large-capacity agitating washing machines. Due to its large washing capacity and frequent reversing during washing, the agitating washing machine has inertial impact on the clutch as a whole, and the wear between the input shaft and the clutch sleeve increases. During the process, the brake steel belt is constantly impacted by the dehydration bucket, resulting in loud noise and rapid wear of the clutch when it is working.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art and provide a large-capacity deceleration clutch suitable for fully automatic agitating washing machines. The deceleration clutch has a clever and reasonable structure, strong impact resistance, low running noise and stable transmission ,long lasting.

According to the technical solution provided by the utility model: a large-capacity deceleration clutch for a fully automatic agitating washing machine, including a transmission shaft, a washing shaft and a dehydration shaft, is characterized in that: the transmission shaft is supported and assembled in the hollow In the clutch sleeve and the hollow clutch shaft, a pulley is installed on the upper end of the transmission shaft; a clutch mechanism for selectively coupling or separating them is provided between the clutch sleeve and the clutch shaft, and the clutch mechanism is controlled by an operating mechanism; The clutch shaft, the brake wheel and the dehydration shaft are sequentially connected on the same axis, and the clutch shaft is supported and assembled in the housing through the upper bearing; the brake wheel is arranged in the housing, and the brake wheel and the clutch shaft are tightly connected ; The dehydration shaft is assembled in the cover plate through the lower bearing support, and the dehydration shaft and the inner hole of the brake wheel are fastened and connected by interference fit; the shell is fixedly connected with the cover plate; the outer periphery of the brake wheel is provided with The brake steel belt that acts as a brake; the washing shaft is supported and assembled in the hollow dehydration shaft by two upper and lower bushings, and the washing reduction mechanism is used to connect and drive between the washing shaft and the transmission shaft, and the washing reduction mechanism is enclosed in the connection. Integrated brake wheel and clutch shaft.

As a further improvement of the utility model, the clutch mechanism includes a ratchet and a torsion spring clutch spring, the outer diameters of the clutch sleeve and the clutch shaft are equal, the torsion spring clutch spring is set on the clutch sleeve and the clutch shaft, and the ratchet is then set On the torsion spring clutch spring, the upper end of the torsion spring clutch spring hooks the ratchet to form the clutch mechanism.

As a further improvement of the utility model, the clutch mechanism is controlled by an operating mechanism; the operating mechanism includes a shift lever, a long pin, a shift lever torsion spring, a shift fork, a bolt, a shift fork torsion spring, a pawl and a ratchet torsion spring The part of the lever near the inner end is provided with a pin hole, and the lever is installed on the housing through the long pin and the torsion spring of the lever penetrated in the pin hole, and the inner end of the lever is connected to the end of the brake steel belt by a pin shaft , under the action of the torsion force of the lever torsion spring, the lever will brake the brake steel belt; the lower end of the shift fork is provided with a mounting seat, and the shift fork is installed on the housing through the bolts installed on the mounting seat and the fork torsion spring; The upper end of the shift fork uses the pin shaft and the ratchet torsion spring to install the ratchet. Under the action of the shift fork torsion spring, the adjusting screw installed at the lower part of the shift fork withstands the shift lever, and at the same time the ratchet turns the ratchet, and the ratchet turns the torsion spring. The clutch spring is loosened to separate the clutch sleeve from the clutch shaft. At this time, the shift fork is not driven by the shift lever; The clutch spring resets, holds the clutch sleeve and the clutch shaft tightly, and makes the clutch sleeve and the clutch shaft connect and drive by means of friction.

As a further improvement of the utility model, a plastic gasket is installed between the clutch sleeve and the clutch shaft.

As a further improvement of the utility model, the upper bearing adopts a one-way composite bearing, and the one-way composite bearing is loaded in a press-fitting manner; the lower bearing adopts a 106 bearing, and the 106 bearing is loaded in a press-fitting manner.

As a further improvement of the present utility model, one end of the brake steel belt is connected to the casing by a short pin, the brake steel belt penetrates into the casing, and is mounted on the outer periphery of the brake wheel, and the other end of the brake steel belt is connected by a pin shaft and a lever The inner end is connected, and the brake steel belt is controlled to tighten or loosen by turning the lever.

As a further improvement of the present utility model, the washing deceleration mechanism adopts a NGW type planetary gear train transmission mechanism, which includes a center wheel provided at the lower end of the transmission shaft, at least four planetary gears arranged around the center wheel and planetary gears arranged on the The ring gear outside the gear, the sun gear is used as the internal meshing gear pair in the NGW type planetary gear train, the at least four planetary gears are used as the common planetary gears in the NGW type planetary gear train, and the ring gear is used as the NGW planetary gear pair The external meshing gear pair in the gear train; the brake wheel and the clutch shaft are connected by riveting, and the sun wheel, the planetary gear and the ring gear are tightly enclosed, and the upper bracket of the planetary gear is connected with the flower at the upper end of the washing shaft. The key meshes the drive, and the ring gear is firmly connected with the clutch shaft.

As a further improvement of the utility model, the sun gear, the planetary gear and the ring gear in the washing deceleration mechanism are respectively involute spur gears, the distance between the planetary gear and the sun gear is greater than 20 mm, and the standard center distance is 20.4 mm .

As a further improvement of the utility model, a middle oil seal is installed between the upper shaft sleeve and the lower shaft sleeve, and a lower oil seal is installed between the washing shaft and the lower end of the dehydration shaft.

As a further improvement of the utility model, the two sides of the cover plate are bent upwards and then outwards again, and reinforcing ribs are provided on the upwardly bent portion of the cover plate.

Compared with the prior art, the utility model has the advantages that:

(1) The washing reduction mechanism adopts the NGW planetary gear train transmission mechanism. The center wheel, planetary gear and ring gear in the washing reduction mechanism are respectively involute spur gears. The distance between the planetary gear and the center wheel is greater than 20mm, standard The center distance is 20.4 mm, which improves the strength and bearing capacity of the washing deceleration mechanism, and improves the service life and working reliability of the utility model;

(2) The brake steel belt and the shell are connected by a pin shaft, which can greatly reduce the impact caused by the frequent reversing of the washing machine during the washing process and prolong the service life of the brake steel belt;

(3) There is a plastic gasket between the clutch sleeve and the clutch shaft. The plastic gasket can reduce the impact of the clutch mechanism when reversing, and compensate the gap between the clutch sleeve and the clutch shaft;

(4) The structure of the cover plate is ingenious and reasonable. Both sides of the cover plate are bent upwards and then outwards again. The upward bending part of the cover plate is provided with reinforcing ribs, which effectively improves the impact resistance of the cover plate.

Description of drawings

Fig. 1 is a half sectional view of the utility model embodiment.

FIG. 2 is an enlarged schematic diagram of part A in FIG. 1 .

Fig. 3 is a schematic diagram of the structure of the cover plate in the embodiment of the utility model.

Fig. 4 is a B-B sectional view in Fig. 3 .

Detailed ways

Below in conjunction with specific accompanying drawing and embodiment the utility model is further described.

As shown in the figure: the large-capacity deceleration clutch in the embodiment is mainly composed of a transmission shaft 1, a pulley 2, a clutch sleeve 3, a torsion spring clutch spring 4, a ratchet wheel 5, an upper shaft sleeve 6, an upper bearing 7, an oil seal 8, and a clutch shaft 9. Lower shaft sleeve 10, planetary gear 12, ring gear 13, brake wheel 14, housing 15, cover plate 18, lower bearing 19, dehydration shaft 20, shaft sleeve 21, lower oil seal 22, washing shaft 23, brake steel Belt 24, short pin 25, bolt 26, fork torsion spring 27, lever 28, adjustment screw 29, lever torsion spring 30, long pin 31, shift fork 32, pawl torsion spring 33, pawl 34 and plastic pad Parts such as sheet 35 are formed.

As shown in FIG. 1 , the transmission shaft 1 is used to receive the rotational power of the washing machine motor. The transmission shaft 1 is supported and assembled in the hollow clutch sleeve 3 and the hollow clutch shaft 9 through the upper shaft sleeve 6 and the lower shaft sleeve 10. The upper end of the transmission shaft 1 is fastened with a pulley 2 with a nut, and the transmission shaft 1 is connected with the washing machine motor. The power is transmitted through the belt. A middle oil seal 8 is housed between the upper shaft sleeve 6 and the lower shaft sleeve 10, and the middle oil seal 8 is used to prevent leakage of grease inside the brake wheel 14.

As shown in Figure 1, a clutch mechanism for selectively coupling or separating them is provided between the clutch sleeve 3 and the clutch shaft 9. The clutch mechanism includes a ratchet wheel 5 and a torsion spring clutch spring 4. The clutch sleeve 3 and the outer diameter of the clutch shaft 9 are equal, the torsion spring clutch spring 4 is set on the clutch sleeve 3 and the clutch shaft 9, the ratchet 5 is then set on the torsion spring clutch spring 4, and the upper end of the torsion spring clutch spring 4 Part hooks ratchet 5, constitutes described clutch mechanism, and this clutch mechanism is controlled by an operating mechanism.

As shown in Figure 1, the operating mechanism is mainly composed of a shift lever 28, a long pin 31, a shift lever torsion spring 30, a shift fork 32, a bolt 26, a shift fork torsion spring 27, a pawl 34 and a pawl torsion spring 33, The part near the inner end of the driving rod 28 is provided with a pin hole, and the driving rod 28 is installed on the housing 15 through the long pin 31 and the driving rod torsion spring 30 which are penetrated in the pin hole. The ends of the steel belt 24 are connected, and under the torsion effect of the torsion spring 30 of the driving lever, the driving lever 28 brakes the steel belt 24 tightly; The bolt 26 and the fork torsion spring 27 are installed on the housing 15; the upper end of the fork 32 utilizes the pin shaft and the pawl torsion spring 33 to install the pawl 34, and under the action of the fork torsion spring 27, it is installed on the fork. The adjustment screw 29 at the lower part of 32 bears against the driving lever 28, and at the same time, the ratchet 34 turns the ratchet 5, and the ratchet 5 unscrews the torsion spring clutch spring 4 to separate the clutch sleeve 3 from the clutch shaft 9. At this time, the shift fork 32 is in the The state that is not driven by the lever 28. When the shift fork 32 is driven by the shift lever 28, the pawl 34 at the end of the shift fork 32 is disengaged from the ratchet 5, and the torsion spring clutch spring 4 is reset, and the clutch sleeve 3 and the clutch shaft 9 are tightly held, and the clutch sleeve 3 and the clutch shaft 9 are tightened by friction. The clutch shaft 9 is connected to the transmission.

Because the clutch sleeve 3 can move axially when being subjected to the action of the torsion spring clutch spring 4, a collision occurs between the clutch sleeve 3 and the clutch shaft 9, and noise is emitted. In order to overcome this defect, the utility model is equipped with a plastic gasket 35 between the clutch sleeve 3 and the clutch shaft 9 (as shown in Figure 2). The plastic gasket 35 can reduce the impact of the clutch mechanism when reversing, and compensate the clutch sleeve. 3 and the gap between the clutch shaft 9.

As shown in Figure 1, the clutch shaft 9, the brake wheel 14 and the dehydration shaft 20 are sequentially connected coaxially, the clutch shaft 9 is supported and assembled in the housing 15 by the upper bearing 7, and the upper bearing 7 adopts a one-way composite bearing , the one-way composite bearing is loaded in a press-fitting manner; the brake wheel 14 is arranged in the housing 15, and the brake wheel 14 is tightly connected with the clutch shaft 9; the dehydration shaft 20 is supported and assembled by the lower bearing 19 In the cover plate 18, the lower bearing 19 adopts 106 bearings, and the 106 bearings are installed by press-fitting; the dehydration shaft 20 and the inner hole of the brake wheel 14 are fastened and connected by interference fit. The dehydration shaft 20 is used to connect the dehydration tub of the washing machine and output rotational power thereto.

As shown in Figure 1, the outer periphery of the brake wheel 14 is provided with a brake steel band 24 that acts as a brake, and one end of the brake steel band 24 is connected to the housing 15 by a short pin 25, and the brake steel band 24 penetrates into the housing 15 Inside, it is installed on the outer periphery of brake wheel 14, and the other end of the brake steel band 24 utilizes a bearing pin to be connected with the inner end of the driving lever 28, and the braking steel band 24 is controlled to brake tightly or loosen by turning the dial of the driving lever 28. Existing brake steel belt 24 is directly fixed with the connection of housing 15, and washing machine frequently reverses in the washing process and can bring impact to brake steel belt 24, and brake steel belt 24 is easily fractured and damaged due to stress. The utility model aims at above-mentioned defect, connects the brake steel belt 24 and the casing 15 with the short pin 25, can greatly reduce the impact that the washing machine frequently reverses during the washing process, and prolongs the service life of the brake steel belt 24.

As shown in FIG. 1 , the washing shaft 23 is supported and assembled in the hollow dehydration shaft 20 by two upper and lower shaft sleeves 21 , and the washing shaft 23 is used to connect the stirring wheel of the washing machine and output rotational power thereto. The washing shaft 23 is driven by the transmission shaft 1, and the washing reduction mechanism is adopted to connect the transmission between the washing shaft 23 and the transmission shaft 1, and the washing reduction mechanism is enclosed in the brake wheel 14 and the clutch shaft 9 connected as one. A lower oil seal 22 is installed between the washing shaft 23 and the lower end of the dehydration shaft 20, and the lower oil seal 22 is used to prevent water from flowing into the braking wheel 14.

As shown in Figure 1, the washing deceleration mechanism adopts the NGW type planetary gear train transmission mechanism, which is mainly composed of a center wheel 11 provided at the lower end of the transmission shaft 1, four planetary gears 12 arranged around the center wheel 11 and a set The ring gear 13 outside the four planetary gears 12 is composed of the sun gear 11 as the inner meshing gear pair (N) in the NGW planetary gear train, and the four planetary gears 12 are used as the common The planetary gear (G), the ring gear 13 is used as the external meshing gear pair (W) in the NGW planetary gear train; the brake wheel 14 and the clutch shaft 9 are connected by riveting, and the sun gear 11, the planetary gear 12 and the ring gear 13 are tightly enclosed, the upper bracket 16 of the planetary gear 12 is engaged with the spline 17 on the upper end of the washing shaft 23 for transmission, and the ring gear 13 is tightly connected with the clutch shaft 9 .

In the utility model, the sun gear 11, the planetary gear 12 and the ring gear 13 in the washing deceleration mechanism are respectively involute spur gears, the distance between the planetary gear 12 and the sun gear 11 is greater than 20 millimeters, and the standard center distance is 20.4 mm.

As shown in Figures 3 and 4, both sides of the cover plate 18 are bent upwards and then outwards again, and a reinforcing rib 37 is provided on the upward bending portion 36 of the cover plate 18. This structure effectively improves the cover. The impact resistance of the plate 18.

Working process and working principle of the present utility model are as follows:

When the washing machine is in the washing state, the shift fork 32 is not driven by the shift lever 28. Under the action of the shift fork torsion spring 27, the ratchet 34 turns the ratchet 5, and the ratchet 5 unscrews the torsion spring clutch spring 4. Make the clutch sleeve 3 and the clutch shaft 9 separate. The motor drives the pulley 2 through the belt, and the pulley 2 drives the transmission shaft 1 to rotate. The rotational power of the transmission shaft 1 is decelerated by the washing reduction mechanism and then transmitted to the washing shaft 23, thereby completing the washing action. The positive and negative rotation of the washing is through the positive and negative rotation of the motor. Turn to finish. Under the washing state, the brake steel belt 24 brakes the brake wheel 14 tightly.

When the washing machine needs to turn to the dehydration state, the tractor on the washing machine opens the driving lever 28, the driving lever 28 is toggled and drives the shift fork 32 through the adjustment screw 29, the ratchet 34 on the upper end of the shift fork 32 is disengaged from the ratchet 5, and the ratchet 5 The disengagement makes the torsion spring type clutch spring 4 reset, and the clutch cover 3 and the clutch shaft 9 are hugged tightly, so that they are connected as one. Because driving lever 28 is opened, brake steel belt 24 also unclamps, and brake steel belt 24 and brake wheel 14 have certain clearance. The motor drives the pulley 2 through the belt, and the pulley 2 drives the transmission shaft 1 to rotate, and the transmission shaft 1 drives the clutch sleeve 3 on its square core to rotate, and the clutch sleeve 3 and the clutch shaft 9 are connected as one by the torsion spring clutch spring 4 , so the transmission shaft 1 is not driven by the washing deceleration mechanism, but is directly driven by the clutch sleeve 3 through the torsion spring clutch spring 4 to rotate the clutch shaft 9, and the clutch shaft 9 drives the dehydration shaft 20 to rotate through the brake wheel 14, thereby completing dehydration Actions.

After the motor and tractor are powered off, the driving lever 28 and the shift fork 32 reset under the action of the driving lever torsion spring 30 and the shift fork torsion spring 27 respectively.

Claims (10)

1. A large-capacity deceleration clutch for a fully automatic stirring washing machine, including a drive shaft (1), a washing shaft (23) and a dehydration shaft (20), characterized in that: The transmission shaft (1) is supported and assembled in the hollow clutch sleeve (3) and the hollow clutch shaft (9) through the upper shaft sleeve (6) and the lower shaft sleeve (10), and the upper end of the transmission shaft (1) is equipped with a pulley (2); A clutch mechanism for selectively coupling or separating them is provided between the clutch sleeve (3) and the clutch shaft (9), and the clutch mechanism is controlled by an operating mechanism; The clutch shaft (9), the brake wheel (14) and the dehydration shaft (20) are sequentially connected coaxially, and the clutch shaft (9) is supported and assembled in the housing (15) by the upper bearing (7); the The brake wheel (14) is set in the casing (15), and the brake wheel (14) is tightly connected with the clutch shaft (9); the dehydration shaft (20) is supported and assembled on the cover through the lower bearing (19). In the plate (18), the dehydration shaft (20) and the inner hole of the brake wheel (14) are tightly connected by interference fit; the housing (15) is fixedly connected with the cover plate (18); the brake wheel (14) The outer periphery is provided with a brake steel belt (24) which acts as a brake; The washing shaft (23) is supported and assembled in the hollow dehydration shaft (20) by the upper and lower shaft sleeves (21). The washing shaft (23) and the transmission shaft (1) are connected and driven by a washing reduction mechanism, and the washing speed is reduced. The mechanism is encapsulated in the integrated brake wheel (14) and clutch shaft (9). 2. The large-capacity deceleration clutch for fully automatic agitating washing machines according to claim 1, characterized in that: the clutch mechanism includes a ratchet (5) and a torsion spring clutch spring (4), and the clutch sleeve (3) It is equal to the outer diameter of the clutch shaft (9), the torsion spring clutch spring (4) is set on the clutch sleeve (3) and the clutch shaft (9), and the ratchet (5) is then set on the torsion spring clutch spring (4) , the upper end of the torsion spring clutch spring (4) hooks the ratchet (5) to form the clutch mechanism. 3. The large-capacity deceleration clutch for fully automatic agitating washing machines according to claim 2, characterized in that: the clutch mechanism is controlled by an operating mechanism; the operating mechanism includes a lever (28), a long pin (31), Shift lever torsion spring (30), shift fork (32), bolt (26), shift fork torsion spring (27), pawl (34) and pawl torsion spring (33), the part of the shift lever (28) near the inner end There is a pin hole, and the driving lever (28) is installed on the housing (15) through the long pin (31) and the driving lever torsion spring (30) passing through the pin hole, and the inner end of the driving lever (28) uses the pin The shaft is connected to the end of the brake steel belt (24), and under the action of the torsion force of the lever torsion spring (30), the lever (28) brakes the brake steel belt (24) tightly; the lower end of the shift fork (32) is provided with a mounting seat (32a), the shift fork (32) is installed on the housing (15) through the bolt (26) and the shift fork torsion spring (27) installed on the mounting base (32a); the upper end of the shift fork (32) is utilized Pin shaft and ratchet torsion spring (33) install ratchet (34), under the effect of shift fork torsion spring (27), the adjustment screw (29) installed in the lower part of shift fork (32) withstands the shift lever (28) , at the same time the ratchet (34) turns the ratchet (5), and the ratchet (5) unscrews the torsion spring clutch spring (4) to separate the clutch sleeve (3) from the clutch shaft (9). At this time, the shift fork ( 32) It is not driven by the shift lever (28); when the shift fork (32) is driven by the shift lever (28), the ratchet (34) at the end of the shift fork (32) will disengage from the ratchet (5), twist The spring type clutch spring (4) resets, holds the clutch sleeve (3) and the clutch shaft (9) tightly, and makes the clutch sleeve (3) and the clutch shaft (9) connect and drive by means of friction. 4. The large-capacity deceleration clutch for a fully automatic agitating washing machine according to claim 1, characterized in that: a plastic gasket (35) is installed between the clutch sleeve (3) and the clutch shaft (9). 5. The large-capacity deceleration clutch according to claim 1, characterized in that: the upper bearing (7) adopts a one-way composite bearing, and the one-way composite bearing is loaded by pressing; the lower bearing (19) adopts 106 bearings and 106 bearings are loaded by pressing. 6. The large-capacity deceleration clutch for fully automatic stirring washing machine according to claim 1, characterized in that: one end of the brake steel belt (24) is connected to the housing (15) by a short pin (25), and the brake steel belt Belt (24) penetrates in the housing (15), and is enclosed in the outer periphery of brake wheel (14). ) to control the tightness or release of the brake by turning the lever (28). 7. The large-capacity deceleration clutch for a fully automatic agitating washing machine according to claim 1, characterized in that: the washing deceleration mechanism adopts an NGW type planetary gear train transmission mechanism, which includes a central gear provided at the lower end of the transmission shaft (1). wheel (11), at least four planetary gears (12) arranged around said center wheel (11), and a ring gear (13) arranged outside of said planetary gear (12), said center wheel (11) being an NGW type The internal meshing gear pair in the planetary gear train, the at least four planetary gears (12) serve as common planetary gears in the NGW type planetary gear train, and the ring gear (13) serves as the external meshing gear in the NGW type planetary gear train pair; the brake wheel (14) and the clutch shaft (9) are connected by riveting, and the sun wheel (11), the planetary gear (12) and the ring gear (13) are tightly encapsulated, and the planetary gear ( The upper bracket (16) of 12) is engaged with the spline (17) on the upper end of the washing shaft (23) for transmission, and the ring gear (13) is tightly connected with the clutch shaft (9). 8. The large-capacity deceleration clutch for fully automatic stirring washing machine according to claim 7, characterized in that: the sun gear (11), the planetary gear (12) and the ring gear (13) in the washing deceleration mechanism are respectively For involute spur gears, the distance between the planetary gear (12) and the center wheel (11) is greater than 20 mm, and the standard center distance is 20.4 mm. 9. The large-capacity deceleration clutch for fully automatic agitating washing machines according to claim 1, characterized in that: a middle oil seal (8) is installed between the upper bushing (6) and the lower bushing (10), so that A lower oil seal (22) is housed between the washing shaft (23) and the lower end of the dehydration shaft (20). 10. The large-capacity deceleration clutch for a fully automatic agitating washing machine according to claim 1, characterized in that: both sides of the cover plate (18) are bent upwards and then outwards again, and when the cover plate (18) is upward The bending portion (36) is provided with reinforcing ribs (37).

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