CN210048984U

CN210048984U - Brake block of auxiliary brake mechanism of washing machine clutch and washing machine clutch

Info

Publication number: CN210048984U
Application number: CN201920500818.8U
Authority: CN
Inventors: 李正浩; 田炳镇; 严斌
Original assignee: Leading Electronics Co (leelco)
Current assignee: Leading Electronics Co (leelco)
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-02-11
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a brake pad and washing machine clutch of washing machine clutch auxiliary brake mechanism, the brake pad includes the arc body, the outer fringe of arc body is equipped with the arcwall face that is used for pasting with auxiliary brake wheel inner wall, the separation and reunion end of arc body is equipped with the claw that radial protrusion in arcwall face and terminal surface are used for offsetting with the dog on the auxiliary brake wheel; the brake block has the advantages that the brake block and the claw part are arranged at the clutch end of the arc-shaped body, the distance between the brake block and the hinge column is the farthest, the clutch end is thrown out at the earliest under the rotating condition, namely, the rotating speed is lower when the brake block is abutted against the auxiliary brake wheel, and strong collision is avoided; meanwhile, after the arc-shaped surface of the outer edge of the arc-shaped body is attached to the inner wall of the wheel body of the auxiliary brake wheel to form resistance, the brake block does not move outwards any more, and the connection between the brake block and the auxiliary brake wheel is stable; the claw part of the brake block is contacted with the stop block of the auxiliary brake wheel in a propping way, the arc-shaped body of the brake block is in a state of being attached to the inner wall of the wheel body of the auxiliary brake wheel, and the brake block and the auxiliary brake wheel are conveniently separated.

Description

Brake block of auxiliary brake mechanism of washing machine clutch and washing machine clutch

Technical Field

The utility model belongs to the technical field of the washing machine drive, especially, relate to a washing machine clutch auxiliary brake mechanism's brake pads and washing machine clutch.

Background

The existing large-capacity washing machine generally adopts a clutch with a double-power structure for increasing the washing effect because the existing large-capacity washing machine needs to wash clothes with heavy weight and large volume. The present dual-power clutch is disclosed in the chinese utility model patent with publication number CN102796131, which discloses a speed reduction clutch of a pulsator washing machine, the speed reduction clutch of the pulsator washing machine mainly comprises an input shaft, an output shaft sleeve, an input shaft sleeve and a brake wheel, the output shaft is installed in the output shaft sleeve, the lower end of the output shaft sleeve is installed in the brake wheel, a double-set planetary gear mechanism composed of an input shaft gear, an upper planetary gear, an internal gear, an upper planet carrier, a center wheel, a lower planetary gear and a lower planet carrier is installed in the brake wheel, the brake wheel is respectively fastened with the output shaft sleeve and the internal gear, the lower planetary gear is installed on the floating lower planet carrier, the output shaft rotates in the same direction with the input shaft through the double-set planetary gear mechanism, the output shaft sleeve rotates in the opposite direction with the input shaft through the lower planetary gear mechanism, so that the, thereby achieving double-power washing effect. However, there are several disadvantages to the double planetary gear mechanism: firstly, the double-set planetary gear mechanism has more parts, is relatively complicated to assemble, takes longer time and has low production efficiency; secondly, the assembly precision requirement is high, namely the quality requirement on each part is high, so that the production cost is high, otherwise, the smooth operation can be realized by sufficient lubricating oil; thirdly, the rotating speed of the output shaft is reduced when the load is increased, and the rotating speed of the corresponding output shaft sleeve is increased, but the output shaft is in transmission connection with the input shaft through the double-set planetary gear mechanism, so that the speed is reduced, the output shaft sleeve and the internal gear are synchronous, the speed is increased slowly due to the large diameter, the comprehensive power of the output shaft sleeve and the internal gear is reduced, namely, the load is larger, the washing effect is poorer, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a washing machine clutch auxiliary brake mechanism's brake pads is provided, the slew velocity who is connected needs with auxiliary brake wheel counterbalance is low, is connected stably with auxiliary brake wheel in the rotation of dehydration and braking, and it is also more convenient with auxiliary brake wheel's separation after the braking.

The technical scheme adopted by the brake block for solving the technical problems is as follows: a brake block of an auxiliary brake mechanism of a washing machine clutch comprises an arc-shaped body, wherein an arc-shaped surface used for being attached to the inner wall of an auxiliary brake wheel body is arranged at the outer edge of the arc-shaped body; the clutch end of the arc-shaped body is provided with a claw part which is radially protruded out of the arc-shaped surface and the end surface of the claw part is used for abutting against a stop block on the auxiliary brake wheel.

Compared with the prior art, the brake block has the advantages that the claw part which is abutted to the stop block on the auxiliary brake wheel to play a braking role is arranged at the clutch end of the arc-shaped body and is farthest away from the hinge post, the clutch end is thrown out at the earliest under the rotation condition due to the action of centrifugal force, the rotating angle formed between the claw part and the hinge post under the same displacement distance is the smallest, namely the rotating speed is lower when the claw part of the brake block is abutted to the stop block of the auxiliary brake wheel, so that the claw part of the brake block is prevented from being violently collided with the stop block of the auxiliary brake wheel, and the influence on the connection precision between clutch parts of the; meanwhile, the arc-shaped surface of the outer edge of the arc-shaped body is attached to the inner wall of the wheel body of the auxiliary brake wheel to form resistance, the brake block does not move outwards any more, and the connection between the brake block and the auxiliary brake wheel is stable; the end surface of the claw part of the brake block is abutted against the stop block of the auxiliary brake wheel, the arc surface of the outer edge of the arc-shaped body of the brake block is attached to the inner wall of the wheel body of the auxiliary brake wheel, and the brake block is conveniently separated from the auxiliary brake wheel.

Preferably, the arc line of the arc-shaped body from the hinge end to the clutch end extends along the rotation direction of the dehydrating shaft during dehydrating; the connecting part of the claw part and the arc-shaped body can be designed to be longer, so that the connecting strength of the claw part is increased, and the damage to the connection of the claw part and the arc-shaped body caused by the reverse thrust of the auxiliary brake wheel stop block to the claw part of the brake block during braking is avoided.

The utility model aims to solve another technical problem that a better washing machine clutch of washing effect under the heavy load condition is provided.

The technical scheme adopted by the washing machine clutch for solving the technical problems is as follows: a clutch of a washing machine comprises a driving shaft, a brake wheel, a brake belt, a washing shaft, a dewatering shaft, an auxiliary brake mechanism and a planetary transmission gear train consisting of a driving shaft gear, a planetary carrier and an internal gear; the washing shaft is connected with the planet carrier, the dewatering shaft is connected with the brake wheel, and the brake wheel is connected with the internal gear; the auxiliary braking mechanism comprises an auxiliary braking wheel and a linkage structure; the wheel body of the auxiliary brake wheel is arranged between the brake belt and the brake wheel, the wheel hub of the auxiliary brake wheel is connected with the brake wheel through a bearing, and the stop block on the auxiliary brake wheel is connected with and protrudes out of the end part of the wheel body; the linkage structure comprises a main linkage ring, the brake block and a tension spring, wherein the tension spring is used for drawing the brake block to prevent the claw part of the brake block from contacting with the auxiliary brake wheel stop block during washing and after braking is finished, and is used for drawing by using the centrifugal force of the brake block during dehydration and braking to enable the end surface of the claw part of the brake block to be abutted against the auxiliary brake wheel stop block and enable the arc-shaped body of the brake block to be attached to the inner wall of the auxiliary brake wheel; the main linkage ring is connected with the brake wheel and/or the dewatering shaft, the hinged end of the brake block is hinged with the main linkage ring, one end of the tension spring is connected with the main linkage ring, and the other end of the tension spring is connected with the clutch end of the brake block.

Compared with the prior art, the clutch of the washing machine has the advantages that the auxiliary brake mechanism is arranged among the brake belt, the brake wheel and the dewatering shaft to release the brake wheel, so that the dewatering shaft rotates reversely with the driving shaft through the primary planetary gear transmission structure consisting of the brake wheel, the inner gear and the planetary gear, and meanwhile, the primary planetary gear transmission system consisting of the planet carrier and the planetary gear can be adopted to connect the washing shaft and the driving shaft, so that the speed reduction of the washing shaft is relatively slow under the condition of increasing the load, and a better washing effect is achieved; the auxiliary brake mechanism comprises an auxiliary brake wheel and a linkage structure, wherein the brake block and the auxiliary brake wheel of the linkage structure adopt a connection mode of abutting and attaching in the rotation of dehydration and braking, the operation is stable, and the separation of the brake block and the auxiliary brake wheel is also convenient.

Preferably, the two pairs of the brake blocks and the matched tension springs are arranged in an axisymmetric manner by the axis of the main linkage ring; the two stop blocks are arranged in an axial symmetry mode by the axis of the auxiliary brake wheel. The dynamic balance is kept better to ensure the stable operation of the clutch of the washing machine; the claw part of the brake block can be abutted against the stop block more quickly, so that the time required for the abutment of the claw part and the stop block is shortened, namely, the rotating speed of the brake block when the claw part and the stop block are abutted is reduced, and the collision intensity when the claw part and the stop block are abutted is reduced.

Preferably, the linkage structure further comprises a blocking member for preventing the clutch end of the brake shoe from colliding against the brake wheel and/or the dehydrating shaft, and the blocking member is connected with the outer wall of the lower edge of the inner ring of the main linkage ring or the inner side of the brake shoe. In the braking process, after the brake block is rapidly decelerated, the clutch end of the brake block pulled by the tension spring can be rapidly recovered, and the interception piece can prevent the clutch end of the brake block from colliding with the brake wheel and/or the dehydration shaft, so that the deformation of the brake wheel and/or the dehydration shaft is avoided.

Preferably, an annular groove is formed between the wheel body and the wheel hub of the auxiliary braking wheel; the brake block is hinged with the main linkage ring through a hinge column, and the hinge column extends into the annular groove. The brake block is prevented from hitting the upper housing of the clutch.

Preferably, the linkage structure further comprises an auxiliary linkage ring, and the auxiliary linkage ring is fixedly connected with the end part of the hinge column extending into the annular groove. The linkage structure is firm in connection and not easy to damage.

Preferably, there are two connection bearings between the auxiliary headblock hub and the headblock. The connection between the auxiliary brake wheel and the brake wheel is strengthened, and the violent vibration of the auxiliary brake wheel during braking is avoided.

Preferably, the brake wheel and the internal gear are of an integral structure.

Drawings

Fig. 1 is a bottom view of the brake pad of the present invention.

Fig. 2 is a perspective view of the brake pad of the present invention.

Fig. 3 is a schematic sectional view of the clutch of the washing machine of the present invention (omitting part of the clutch mechanism and the actuator of the brake band).

Fig. 4 is an exploded view of the auxiliary braking mechanism of the present invention.

Fig. 5 is a schematic view of the three-dimensional structure of the brake block of the auxiliary brake mechanism of the present invention when it is folded.

Fig. 6 is a schematic perspective view of the brake block of the auxiliary braking mechanism according to the present invention when opened.

Fig. 7 is a schematic bottom view of the linkage structure of the present invention (default auxiliary linkage ring).

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the embodiment, as shown in fig. 1 and 2, the brake pad 93 of the clutch auxiliary brake mechanism of the washing machine with dual power structures comprises an arc-shaped body 931, wherein an arc-shaped surface 932 for being attached to the inner wall of the wheel body 911 of the auxiliary brake wheel is arranged at the outer edge of the arc-shaped body 931; the clutch end of the arc-shaped body 931 is provided with a claw part 933 which radially protrudes from the arc-shaped surface 932 and the end surface 934 is used for abutting against the stop 914 on the auxiliary brake wheel 91. A claw part 933 which has a braking function and is abutted against the stop dog 914 on the auxiliary brake wheel 91 is arranged at the clutch end of the arc-shaped body 931 and is farthest away from the hinge post 94, the clutch end is thrown out at the earliest under the action of centrifugal force under the rotation condition, and the rotation angle formed between the clutch end and the hinge post under the same displacement distance is the smallest, namely the required rotation speed is the smallest; meanwhile, the outer edge arc surface 932 of the arc-shaped body 931 is attached to the inner wall of the auxiliary brake wheel body 911 to form resistance, so that the brake block 93 does not move outwards any more and the connection is stable; the end face 934 of the brake shoe claw 933 is in contact with the stopper 914 of the auxiliary brake wheel, and the arc face 932 of the outer edge of the brake shoe arc main body 931 is in contact with the inner wall of the auxiliary brake wheel body 911, so that the brake shoe 93 and the auxiliary brake wheel 91 can be easily separated from each other.

Preferably, the arc-shaped body 931 extends in the rotation direction of the dehydrating shaft 8 at the time of dehydration from the hinge end to the clutch end, and the arc-shaped body 931 extends in the clockwise direction from the hinge end to the clutch end in this embodiment; the connection line between the claw part 933 and the arc-shaped body 931 can be designed to be relatively long, as shown in fig. 1 and 2, so as to increase the connection strength between the claw part 933 and the arc-shaped body 931 and avoid the damage of the connection between the claw part 933 and the arc-shaped body 931 caused by the reverse thrust of the auxiliary brake wheel stopper 914 to the brake shoe claw part 933 during braking.

As shown in fig. 3, the clutch of the washing machine with the dual power structure comprises an upper casing 1.1, a lower casing 1.2, a driving shaft 2, a clutch mechanism (other parts are not shown) including a clutch shaft 31, a brake wheel 5, a planetary gear transmission system which is arranged in a cavity formed by the clutch shaft 31 and the brake wheel 5 and mainly comprises a driving shaft 2 gear, a planetary gear 41, a planetary carrier 42 and an internal gear 43, a brake belt 6 and an execution mechanism (not shown) thereof, a washing shaft 7, a dewatering shaft 8 and an auxiliary brake mechanism, wherein the auxiliary brake mechanism separates the brake belt 6 and the brake wheel 5. The gear at the upper end of the driving shaft 2 is meshed with the planetary gear 41, the planet carrier 42 provided with the planetary gear 41 is in interference fit with the washing shaft 7, and the washing shaft 7 is arranged in the dehydration shaft 8; the internal gear 43 is meshed with the planetary gear 41, the internal gear 43 is connected with the brake wheel 5, and the bottom end of the dewatering shaft 8 is connected with the brake wheel 5; the clutch shaft 31 is connected to the brake wheel 5. During washing, the clutch shaft 31 is not connected with the driving shaft 2, the washing shaft 7 rotates in the same direction with the driving shaft 2 through the planet carrier 42 and the planet gear 41, the dehydration shaft 8 rotates in the opposite direction with the driving shaft 2 through the brake wheel 5, the internal gear 43 and the planet gear 41, reverse double-power water flow is formed, and as the driving shaft 2, the washing shaft 7 and the dehydration shaft 8 are all in one-stage planet gear transmission, in the case of larger load, reasonable transmission ratio of the washing shaft 7 and the dehydration shaft 8 can be ensured, and the cleaning effect of washing clothes is better; during dehydration, the clutch mechanism is actuated to connect the clutch shaft 31 with the drive shaft 2, and the dehydration shaft 8 rotates synchronously with the drive shaft 2 and the washing shaft 7 through the brake wheel 5 and the clutch shaft 31. Here, the brake wheel 5 and the internal gear 43 are preferably of an integral structure.

The auxiliary braking mechanism is shown in fig. 4-6 and comprises an auxiliary braking wheel 91 and a linkage structure which is separated from the auxiliary braking wheel 91 during washing and after braking is finished and is abutted against the auxiliary braking wheel 91 during the rotation of dehydration and braking; the wheel body 911 of the auxiliary brake wheel 91 is arranged between the brake belt 5 and the brake wheel 6, the wheel hub 912 of the auxiliary brake wheel 91 is connected with the outer wall of the connecting part of the upper end of the brake wheel 6 and the dewatering shaft 8 through the bearing 10, and the linkage structure is connected with the brake wheel 5 and/or the dewatering shaft 8. In the braking process, when the braking belt 6 initially holds the auxiliary braking wheel 91, the auxiliary braking wheel 91 is fast in speed and the power transmitted to the auxiliary braking wheel 91 through the dehydration shaft 8 and the braking wheel 5 by the inertia of the dehydration barrel is larger, so that the auxiliary braking wheel 91 can also rotate at a reduced speed, the linkage structure is propped against the auxiliary braking wheel 91 to reduce the speed synchronously, the braking is finished when the auxiliary braking wheel 91 stops, and the linkage structure is separated from the auxiliary braking wheel 91 at the moment. In order to strengthen the connection and avoid the violent vibration of the auxiliary brake wheel 91 in the braking process, two connecting bearings 10 are arranged between the auxiliary brake wheel hub 912 and the brake wheel 5, and the brake wheel 5 is also provided with a snap ring for limiting the bearings 10.

In this embodiment, an annular groove 913 is formed between the wheel body 911 and the hub 912 of the auxiliary braking wheel 91, and the raised stop 914 arranged at the end of the wheel body 911 is located outside the outer groove wall of the annular groove 913. The linkage structure includes a main linkage ring 92 and a brake block 93, and a tension spring 95 which draws the brake block 93 to separate the brake block 93 from the stopper 914 during washing and after braking is completed, and draws the brake block 93 by centrifugal force during spinning and braking such that the end face 934 of the brake block separation end claw portion abuts against the auxiliary brake wheel stopper 914 and the brake block arc body outer edge arc face 932 abuts against the inner wall of the auxiliary brake wheel body 911, as shown in fig. 7. When washing, the auxiliary brake wheel 91 is tightly held by the brake belt 6, the linkage structure is driven by the brake wheel 5 and/or the dewatering shaft 8 which are connected to slowly rotate, the centrifugal force of the brake block 93 can not overcome the pulling force of the tension spring 95 to be folded, and the auxiliary brake wheel 91 and the linkage structure are not influenced by each other; when in dehydration, the brake belt 6 releases the auxiliary brake wheel 91, the linkage structure is driven by the brake wheel 5 and/or the dehydration shaft 8 to rotate at high speed along with the clutch mechanism, and the centrifugal force of the brake block 93 overcomes the tensile force of the tension spring 95 and is opened to prop against the auxiliary brake wheel 91 to drive the auxiliary brake wheel 91 to rotate at high speed; during braking, the brake belt 6 tightly holds the auxiliary brake wheel 91, the linkage structure abutted against the auxiliary brake wheel 91 synchronously decelerates, the brake wheel 5 and/or the dehydration shaft 8 are/is connected, and then the speed of the washing shaft 7 is also reduced through the planetary gear transmission system; after braking is completed, the auxiliary brake wheel 91 is stopped, and the brake shoe 93 is pulled by the tension spring 95 to be separated from the auxiliary brake wheel 91. The inner ring 92.1 of the main linkage ring 92 is in spline connection with the upper end part of the brake wheel 5; of course, the inner ring 92.1 of the main link ring 92 can also be connected with the dewatering shaft 8, or both the dewatering shaft 8 and the upper end of the brake wheel 5 can be connected with a spline. Hinge post 94 in hinge hole 935 at the hinge end of brake pad 93 is fixed to main link ring 92, and hinge post 94 is recessed into annular groove 913. One end of a tension spring 95 is connected to a tension spring post (not shown) on the main link ring 92, and the other end of the tension spring 95 is connected to a bolt 96 fixed to the bolt hole 936 on the clutch end of the brake pad 93.

Preferably, the angle of the brake claw portion 933 is R so as to prevent the brake claw portion 933 from deforming when colliding with the stopper 914 during acceleration and from rubbing against the inner wall of the stopper 914 to cause chipping during subsequent opening.

In addition, the linkage structure further includes a secondary linkage ring 97, and the secondary linkage ring 97 is fixedly connected with the end portion of the hinge column 94 sinking into the annular groove 913. A plurality of connecting columns 98 are also arranged between the auxiliary linkage ring 97 and the main linkage ring 92, and the connecting columns 98 and the main linkage ring 92 are of an integral structure. The linkage structure is used for strengthening connection, so that the structure of the linkage structure is more stable.

In this embodiment, the two stoppers 914 are provided in axial symmetry with respect to the axis of the auxiliary sheave 91, and are used to increase the probability that the brake shoe claw part 933 will abut against the stoppers 914, thereby shortening the time required for the abutment, that is, reducing the rotational speed of the brake shoe 93 when the two abut against each other, and reducing the collision intensity when the two abut against each other. A weight block similar to the brake block 93 is further provided, and a tension spring 95 of the weight block and a tension spring 95 of the brake block 93 are disposed axisymmetrically with respect to the axis of the main link ring 92. In this embodiment, the weight block and the brake block 93 are the same structure, so that the linkage structure can maintain dynamic balance and regular rotation.

Preferably, the linkage structure further comprises a stopping member 99 for preventing the clutch end of the brake block 93 from colliding against the brake wheel 5 and/or the dehydrating shaft 8, and the stopping member 99 is integrally connected with the outer wall of the lower edge of the inner ring 92.1 of the main linkage ring 92. The stopper 99 is closer to the inner side of the brake block 93, and the brake block 93 collides with the stopper 99 at a low speed after being pulled by the tension spring 95, and the collision force is small, so that the brake wheel 5 and/or the dehydrating shaft 8 are not deformed. Alternatively, the stop 99 may be attached to the inner side of the brake block 93.

Claims

1. The brake block of the auxiliary brake mechanism of the clutch of the washing machine is characterized by comprising an arc-shaped body (931), wherein the outer edge of the arc-shaped body (931) is provided with an arc-shaped surface (932) which is used for being attached to the inner wall of an auxiliary brake wheel body (911); the clutch end of the arc-shaped body (931) is provided with a claw part (933) which protrudes out of the arc-shaped surface (932) in the radial direction and the end surface (934) is used for abutting against a stop dog (914) on the auxiliary brake wheel (91).

2. A brake pad of a clutch auxiliary brake mechanism of a washing machine according to claim 1, wherein: the arc-shaped body (931) extends in the rotation direction of the dehydrating shaft (8) at the time of dehydration from the hinge end to the clutch end.

3. A clutch of a washing machine comprises a driving shaft (2), a brake wheel (5), a brake belt (6), a washing shaft (7), a dewatering shaft (8), an auxiliary brake mechanism and a planetary transmission gear train consisting of a gear of the driving shaft (2), a planetary gear (41), a planetary carrier (42) and an internal gear (43); the washing shaft (7) is connected with the planet carrier (42), the dewatering shaft (8) is connected with the brake wheel (5), and the brake wheel (5) is connected with the internal gear (43); the auxiliary brake mechanism is characterized by comprising an auxiliary brake wheel (91) and a linkage structure;

the wheel body (911) of the auxiliary brake wheel (91) is arranged between the brake band (6) and the brake wheel (5), the wheel hub (912) of the auxiliary brake wheel (91) is connected with the brake wheel (5) through a bearing (10), and a stop block (914) on the auxiliary brake wheel is connected with and protrudes out of the end part of the wheel body (911) of the auxiliary brake wheel;

the linkage structure comprises a main linkage ring (92) and a brake block (93) as claimed in claim 1 or 2, and a tension spring (95) which is used for pulling the brake block (93) to separate the brake block (93) from the auxiliary brake wheel (91) during washing and after braking is finished, and is used for pulling by using the centrifugal force of the brake block (93) during the rotation of dehydration and braking to enable the end surface (934) of the claw part of the separation end of the brake block to be abutted against the stop block (914) of the auxiliary brake wheel and enable the arc-shaped surface (932) of the outer edge of the arc-shaped body to be attached to the inner wall of the wheel body (911) of the auxiliary brake; the main linkage ring (92) is connected with the brake wheel (5) and/or the dewatering shaft (8), the hinged end of the brake block (93) is hinged to the main linkage ring (92), one end of the tension spring (95) is connected with the main linkage ring (92), and the other end of the tension spring (95) is connected with the clutch end of the brake block (93).

4. The washing machine clutch as claimed in claim 3, wherein: two pairs of the brake blocks (93) and the matched tension springs (95) are arranged in an axial symmetry mode according to the axis of the main linkage ring (92); the stop blocks (914) are two and are arranged in axial symmetry with the axis of the auxiliary brake wheel (91).

5. The washing machine clutch as claimed in claim 3, wherein: the linkage structure further comprises a stopping piece (99) used for preventing the clutch end of the brake block (93) from colliding with the brake wheel (5) and/or the dewatering shaft (8), and the stopping piece (99) is connected with the outer wall of the lower edge of the inner ring of the main linkage ring (92) or the inner side of the brake block (93).

6. The washing machine clutch as claimed in claim 3, wherein: an annular groove (913) is formed between the auxiliary brake wheel body (911) and the wheel hub (912); the brake block (93) is hinged with the main linkage ring (92) through a hinge column (94), and the hinge column (94) extends into the annular groove (913).

7. The washing machine clutch as claimed in claim 6, wherein: linkage structure still includes vice link ring (97), tip fixed connection that vice link ring (97) and articulated post (94) stretched into in ring channel (913).

8. The washing machine clutch as claimed in claim 3, wherein: and two connecting bearings (10) are arranged between the auxiliary brake wheel hub (912) and the brake wheel (5).

9. The washing machine clutch as claimed in claim 3, wherein: the brake wheel (5) and the inner gear (43) are of an integral structure.